1225

Finally start tracing the actual instructions as they run.

119 files changed, 1909 insertions, 0 deletions

diff --git a/cpp/.traces/add b/cpp/.traces/add
index 7af4bafe..8892c399 100644
--- a/cpp/.traces/add
+++ b/cpp/.traces/add
@@ -15,12 +15,15 @@ after-brace/0: add ...
 new/0: routine allocated memory from 1000 to 101000
 schedule/0: main
 run/0: instruction main/0
+run/0: {name: "1", value: 1, type: 1, properties: ["1": "integer"]} <- copy {name: "23", value: 23, type: 0, properties: ["23": "literal"]}
 run/0: ingredient 0 is 23
 mem/0: storing 23 in location 1
 run/0: instruction main/1
+run/0: {name: "2", value: 2, type: 1, properties: ["2": "integer"]} <- copy {name: "34", value: 34, type: 0, properties: ["34": "literal"]}
 run/0: ingredient 0 is 34
 mem/0: storing 34 in location 2
 run/0: instruction main/2
+run/0: {name: "3", value: 3, type: 1, properties: ["3": "integer"]} <- add {name: "1", value: 1, type: 1, properties: ["1": "integer"]}, {name: "2", value: 2, type: 1, properties: ["2": "integer"]}
 run/0: ingredient 0 is 1
 mem/0: location 1 is 23
 run/0: ingredient 1 is 2
diff --git a/cpp/.traces/add_literal b/cpp/.traces/add_literal
index 3b55e4c0..6f232792 100644
--- a/cpp/.traces/add_literal
+++ b/cpp/.traces/add_literal
@@ -7,6 +7,7 @@ after-brace/0: add ...
 new/0: routine allocated memory from 1000 to 101000
 schedule/0: main
 run/0: instruction main/0
+run/0: {name: "1", value: 1, type: 1, properties: ["1": "integer"]} <- add {name: "23", value: 23, type: 0, properties: ["23": "literal"]}, {name: "34", value: 34, type: 0, properties: ["34": "literal"]}
 run/0: ingredient 0 is 23
 run/0: ingredient 1 is 34
 run/0: product 0 is 57
diff --git a/cpp/.traces/and b/cpp/.traces/and
index 37454d4a..39380cec 100644
--- a/cpp/.traces/and
+++ b/cpp/.traces/and
@@ -15,12 +15,15 @@ after-brace/0: and ...
 new/0: routine allocated memory from 1000 to 101000
 schedule/0: main
 run/0: instruction main/0
+run/0: {name: "1", value: 1, type: 1, properties: ["1": "integer"]} <- copy {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: ingredient 0 is 1
 mem/0: storing 1 in location 1
 run/0: instruction main/1
+run/0: {name: "2", value: 2, type: 1, properties: ["2": "integer"]} <- copy {name: "0", value: 0, type: 0, properties: ["0": "literal"]}
 run/0: ingredient 0 is 0
 mem/0: storing 0 in location 2
 run/0: instruction main/2
+run/0: {name: "3", value: 3, type: 1, properties: ["3": "integer"]} <- and {name: "1", value: 1, type: 1, properties: ["1": "integer"]}, {name: "2", value: 2, type: 1, properties: ["2": "integer"]}
 run/0: ingredient 0 is 1
 mem/0: location 1 is 1
 run/0: ingredient 1 is 2
diff --git a/cpp/.traces/array-from-args b/cpp/.traces/array-from-args
index 9dd11874..173e1fb3 100644
--- a/cpp/.traces/array-from-args
+++ b/cpp/.traces/array-from-args
@@ -12,80 +12,101 @@ after-brace/0: copy ...
 new/0: routine allocated memory from 1000 to 101000
 schedule/0: test-array-from-args
 run/0: instruction test-array-from-args/0
+run/0: {name: "1", value: 1, type: 2-5-1, properties: ["1": "address":"array":"location"]} <- init-array {name: "0", value: 0, type: 0, properties: ["0": "literal"]}, {name: "1", value: 1, type: 0, properties: ["1": "literal"]}, {name: "2", value: 2, type: 0, properties: ["2": "literal"]}
 run/0: instruction init-array/0
+run/0: {name: "default-space", value: 0, type: 2-5-1, properties: ["default-space": "address":"array":"location"]} <- new {name: "location", value: 1, type: 0, properties: ["location": "type"]}, {name: "30", value: 30, type: 0, properties: ["30": "literal"]}
 mem/0: array size is 30
 mem/0: new alloc: 1000
 run/0: instruction init-array/1
+run/0: {name: "capacity", value: 1, type: 1, properties: ["capacity": "integer"]} <- copy {name: "0", value: 0, type: 0, properties: ["0": "literal"]}
 run/0: ingredient 0 is 0
 mem/0: storing 0 in location 1002
 run/0: instruction init-array/3
+run/0: {name: "curr-value", value: 2, type: 1, properties: ["curr-value": "location"]}, {name: "exists?", value: 3, type: 3, properties: ["exists?": "boolean"]} <- next-ingredient 
 run/0: product 0 is 0
 mem/0: storing 0 in location 1003
 mem/0: storing 1 in location 1004
 run/0: instruction init-array/4
+run/0: break-unless {name: "exists?", value: 3, type: 3, properties: ["exists?": "boolean"]}, {name: "", value: 2, type: , properties: ["": ]}
 mem/0: location 1004 is 1
 run/0: ingredient 0 is 1
 run/0: jump-unless fell through
 run/0: instruction init-array/5
+run/0: {name: "capacity", value: 1, type: 1, properties: ["capacity": "integer"]} <- add {name: "capacity", value: 1, type: 1, properties: ["capacity": "integer"]}, {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: ingredient 0 is capacity
 mem/0: location 1002 is 0
 run/0: ingredient 1 is 1
 run/0: product 0 is 1
 mem/0: storing 1 in location 1002
 run/0: instruction init-array/6
+run/0: loop {name: "", value: -4, type: , properties: ["": ]}
 run/0: ingredient 0 is -4
 run/0: jumping to instruction 3
 run/0: instruction init-array/3
+run/0: {name: "curr-value", value: 2, type: 1, properties: ["curr-value": "location"]}, {name: "exists?", value: 3, type: 3, properties: ["exists?": "boolean"]} <- next-ingredient 
 run/0: product 0 is 1
 mem/0: storing 1 in location 1003
 mem/0: storing 1 in location 1004
 run/0: instruction init-array/4
+run/0: break-unless {name: "exists?", value: 3, type: 3, properties: ["exists?": "boolean"]}, {name: "", value: 2, type: , properties: ["": ]}
 mem/0: location 1004 is 1
 run/0: ingredient 0 is 1
 run/0: jump-unless fell through
 run/0: instruction init-array/5
+run/0: {name: "capacity", value: 1, type: 1, properties: ["capacity": "integer"]} <- add {name: "capacity", value: 1, type: 1, properties: ["capacity": "integer"]}, {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: ingredient 0 is capacity
 mem/0: location 1002 is 1
 run/0: ingredient 1 is 1
 run/0: product 0 is 2
 mem/0: storing 2 in location 1002
 run/0: instruction init-array/6
+run/0: loop {name: "", value: -4, type: , properties: ["": ]}
 run/0: ingredient 0 is -4
 run/0: jumping to instruction 3
 run/0: instruction init-array/3
+run/0: {name: "curr-value", value: 2, type: 1, properties: ["curr-value": "location"]}, {name: "exists?", value: 3, type: 3, properties: ["exists?": "boolean"]} <- next-ingredient 
 run/0: product 0 is 2
 mem/0: storing 2 in location 1003
 mem/0: storing 1 in location 1004
 run/0: instruction init-array/4
+run/0: break-unless {name: "exists?", value: 3, type: 3, properties: ["exists?": "boolean"]}, {name: "", value: 2, type: , properties: ["": ]}
 mem/0: location 1004 is 1
 run/0: ingredient 0 is 1
 run/0: jump-unless fell through
 run/0: instruction init-array/5
+run/0: {name: "capacity", value: 1, type: 1, properties: ["capacity": "integer"]} <- add {name: "capacity", value: 1, type: 1, properties: ["capacity": "integer"]}, {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: ingredient 0 is capacity
 mem/0: location 1002 is 2
 run/0: ingredient 1 is 1
 run/0: product 0 is 3
 mem/0: storing 3 in location 1002
 run/0: instruction init-array/6
+run/0: loop {name: "", value: -4, type: , properties: ["": ]}
 run/0: ingredient 0 is -4
 run/0: jumping to instruction 3
 run/0: instruction init-array/3
+run/0: {name: "curr-value", value: 2, type: 1, properties: ["curr-value": "location"]}, {name: "exists?", value: 3, type: 3, properties: ["exists?": "boolean"]} <- next-ingredient 
 mem/0: storing 0 in location 1004
 run/0: instruction init-array/4
+run/0: break-unless {name: "exists?", value: 3, type: 3, properties: ["exists?": "boolean"]}, {name: "", value: 2, type: , properties: ["": ]}
 mem/0: location 1004 is 0
 run/0: ingredient 0 is 0
 run/0: ingredient 1 is 
 run/0: jumping to instruction 7
 run/0: instruction init-array/8
+run/0: {name: "result", value: 4, type: 2-5-1, properties: ["result": "address":"array":"location"]} <- new {name: "location", value: 1, type: 0, properties: ["location": "type"]}, {name: "capacity", value: 1, type: 1, properties: ["capacity": "integer"]}
 mem/0: location 1002 is 3
 mem/0: array size is 3
 mem/0: new alloc: 1030
 mem/0: storing 1030 in location 1005
 run/0: instruction init-array/9
+run/0: rewind-ingredients 
 run/0: instruction init-array/10
+run/0: {name: "i", value: 5, type: 1, properties: ["i": "integer"]} <- copy {name: "0", value: 0, type: 0, properties: ["0": "literal"]}
 run/0: ingredient 0 is 0
 mem/0: storing 0 in location 1006
 run/0: instruction init-array/12
+run/0: {name: "done?", value: 6, type: 3, properties: ["done?": "boolean"]} <- greater-or-equal {name: "i", value: 5, type: 1, properties: ["i": "integer"]}, {name: "capacity", value: 1, type: 1, properties: ["capacity": "integer"]}
 run/0: ingredient 0 is i
 mem/0: location 1006 is 0
 run/0: ingredient 1 is capacity
@@ -93,17 +114,21 @@ mem/0: location 1002 is 3
 run/0: product 0 is 0
 mem/0: storing 0 in location 1007
 run/0: instruction init-array/13
+run/0: break-if {name: "done?", value: 6, type: 3, properties: ["done?": "boolean"]}, {name: "", value: 6, type: , properties: ["": ]}
 mem/0: location 1007 is 0
 run/0: ingredient 0 is 0
 run/0: jump-if fell through
 run/0: instruction init-array/14
+run/0: {name: "curr-value", value: 2, type: 1, properties: ["curr-value": "location"]}, {name: "exists?", value: 3, type: 3, properties: ["exists?": "boolean"]} <- next-ingredient 
 run/0: product 0 is 0
 mem/0: storing 0 in location 1003
 mem/0: storing 1 in location 1004
 run/0: instruction init-array/15
+run/0: assert {name: "exists?", value: 3, type: 3, properties: ["exists?": "boolean"]}, {name: "error in rewinding ingredients to init-array", value: 0, type: 0, properties: ["error in rewinding ingredients to init-array": "literal-string"]}
 run/0: ingredient 0 is exists?
 mem/0: location 1004 is 1
 run/0: instruction init-array/16
+run/0: {name: "tmp", value: 7, type: 2-1, properties: ["tmp": "address":"location"]} <- index-address {name: "result", value: 4, type: 2-5-1, properties: ["result": "address":"array":"location", "deref": ]}, {name: "i", value: 5, type: 1, properties: ["i": "integer"]}
 run/0: ingredient 0 is result
 mem/0: location 1005 is 1030
 run/0: ingredient 1 is {name: "i", value: 5, type: 1, properties: ["i": "integer"]}
@@ -112,20 +137,24 @@ run/0: address to copy is 1031
 run/0: product 0 is 1031
 mem/0: storing 1031 in location 1008
 run/0: instruction init-array/17
+run/0: {name: "tmp", value: 7, type: 2-1, properties: ["tmp": "address":"location", "deref": ]} <- copy {name: "curr-value", value: 2, type: 1, properties: ["curr-value": "location"]}
 run/0: ingredient 0 is curr-value
 mem/0: location 1003 is 0
 mem/0: location 1008 is 1031
 mem/0: storing 0 in location 1031
 run/0: instruction init-array/18
+run/0: {name: "i", value: 5, type: 1, properties: ["i": "integer"]} <- add {name: "i", value: 5, type: 1, properties: ["i": "integer"]}, {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: ingredient 0 is i
 mem/0: location 1006 is 0
 run/0: ingredient 1 is 1
 run/0: product 0 is 1
 mem/0: storing 1 in location 1006
 run/0: instruction init-array/19
+run/0: loop {name: "", value: -8, type: , properties: ["": ]}
 run/0: ingredient 0 is -8
 run/0: jumping to instruction 12
 run/0: instruction init-array/12
+run/0: {name: "done?", value: 6, type: 3, properties: ["done?": "boolean"]} <- greater-or-equal {name: "i", value: 5, type: 1, properties: ["i": "integer"]}, {name: "capacity", value: 1, type: 1, properties: ["capacity": "integer"]}
 run/0: ingredient 0 is i
 mem/0: location 1006 is 1
 run/0: ingredient 1 is capacity
@@ -133,17 +162,21 @@ mem/0: location 1002 is 3
 run/0: product 0 is 0
 mem/0: storing 0 in location 1007
 run/0: instruction init-array/13
+run/0: break-if {name: "done?", value: 6, type: 3, properties: ["done?": "boolean"]}, {name: "", value: 6, type: , properties: ["": ]}
 mem/0: location 1007 is 0
 run/0: ingredient 0 is 0
 run/0: jump-if fell through
 run/0: instruction init-array/14
+run/0: {name: "curr-value", value: 2, type: 1, properties: ["curr-value": "location"]}, {name: "exists?", value: 3, type: 3, properties: ["exists?": "boolean"]} <- next-ingredient 
 run/0: product 0 is 1
 mem/0: storing 1 in location 1003
 mem/0: storing 1 in location 1004
 run/0: instruction init-array/15
+run/0: assert {name: "exists?", value: 3, type: 3, properties: ["exists?": "boolean"]}, {name: "error in rewinding ingredients to init-array", value: 0, type: 0, properties: ["error in rewinding ingredients to init-array": "literal-string"]}
 run/0: ingredient 0 is exists?
 mem/0: location 1004 is 1
 run/0: instruction init-array/16
+run/0: {name: "tmp", value: 7, type: 2-1, properties: ["tmp": "address":"location"]} <- index-address {name: "result", value: 4, type: 2-5-1, properties: ["result": "address":"array":"location", "deref": ]}, {name: "i", value: 5, type: 1, properties: ["i": "integer"]}
 run/0: ingredient 0 is result
 mem/0: location 1005 is 1030
 run/0: ingredient 1 is {name: "i", value: 5, type: 1, properties: ["i": "integer"]}
@@ -152,20 +185,24 @@ run/0: address to copy is 1032
 run/0: product 0 is 1032
 mem/0: storing 1032 in location 1008
 run/0: instruction init-array/17
+run/0: {name: "tmp", value: 7, type: 2-1, properties: ["tmp": "address":"location", "deref": ]} <- copy {name: "curr-value", value: 2, type: 1, properties: ["curr-value": "location"]}
 run/0: ingredient 0 is curr-value
 mem/0: location 1003 is 1
 mem/0: location 1008 is 1032
 mem/0: storing 1 in location 1032
 run/0: instruction init-array/18
+run/0: {name: "i", value: 5, type: 1, properties: ["i": "integer"]} <- add {name: "i", value: 5, type: 1, properties: ["i": "integer"]}, {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: ingredient 0 is i
 mem/0: location 1006 is 1
 run/0: ingredient 1 is 1
 run/0: product 0 is 2
 mem/0: storing 2 in location 1006
 run/0: instruction init-array/19
+run/0: loop {name: "", value: -8, type: , properties: ["": ]}
 run/0: ingredient 0 is -8
 run/0: jumping to instruction 12
 run/0: instruction init-array/12
+run/0: {name: "done?", value: 6, type: 3, properties: ["done?": "boolean"]} <- greater-or-equal {name: "i", value: 5, type: 1, properties: ["i": "integer"]}, {name: "capacity", value: 1, type: 1, properties: ["capacity": "integer"]}
 run/0: ingredient 0 is i
 mem/0: location 1006 is 2
 run/0: ingredient 1 is capacity
@@ -173,17 +210,21 @@ mem/0: location 1002 is 3
 run/0: product 0 is 0
 mem/0: storing 0 in location 1007
 run/0: instruction init-array/13
+run/0: break-if {name: "done?", value: 6, type: 3, properties: ["done?": "boolean"]}, {name: "", value: 6, type: , properties: ["": ]}
 mem/0: location 1007 is 0
 run/0: ingredient 0 is 0
 run/0: jump-if fell through
 run/0: instruction init-array/14
+run/0: {name: "curr-value", value: 2, type: 1, properties: ["curr-value": "location"]}, {name: "exists?", value: 3, type: 3, properties: ["exists?": "boolean"]} <- next-ingredient 
 run/0: product 0 is 2
 mem/0: storing 2 in location 1003
 mem/0: storing 1 in location 1004
 run/0: instruction init-array/15
+run/0: assert {name: "exists?", value: 3, type: 3, properties: ["exists?": "boolean"]}, {name: "error in rewinding ingredients to init-array", value: 0, type: 0, properties: ["error in rewinding ingredients to init-array": "literal-string"]}
 run/0: ingredient 0 is exists?
 mem/0: location 1004 is 1
 run/0: instruction init-array/16
+run/0: {name: "tmp", value: 7, type: 2-1, properties: ["tmp": "address":"location"]} <- index-address {name: "result", value: 4, type: 2-5-1, properties: ["result": "address":"array":"location", "deref": ]}, {name: "i", value: 5, type: 1, properties: ["i": "integer"]}
 run/0: ingredient 0 is result
 mem/0: location 1005 is 1030
 run/0: ingredient 1 is {name: "i", value: 5, type: 1, properties: ["i": "integer"]}
@@ -192,20 +233,24 @@ run/0: address to copy is 1033
 run/0: product 0 is 1033
 mem/0: storing 1033 in location 1008
 run/0: instruction init-array/17
+run/0: {name: "tmp", value: 7, type: 2-1, properties: ["tmp": "address":"location", "deref": ]} <- copy {name: "curr-value", value: 2, type: 1, properties: ["curr-value": "location"]}
 run/0: ingredient 0 is curr-value
 mem/0: location 1003 is 2
 mem/0: location 1008 is 1033
 mem/0: storing 2 in location 1033
 run/0: instruction init-array/18
+run/0: {name: "i", value: 5, type: 1, properties: ["i": "integer"]} <- add {name: "i", value: 5, type: 1, properties: ["i": "integer"]}, {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: ingredient 0 is i
 mem/0: location 1006 is 2
 run/0: ingredient 1 is 1
 run/0: product 0 is 3
 mem/0: storing 3 in location 1006
 run/0: instruction init-array/19
+run/0: loop {name: "", value: -8, type: , properties: ["": ]}
 run/0: ingredient 0 is -8
 run/0: jumping to instruction 12
 run/0: instruction init-array/12
+run/0: {name: "done?", value: 6, type: 3, properties: ["done?": "boolean"]} <- greater-or-equal {name: "i", value: 5, type: 1, properties: ["i": "integer"]}, {name: "capacity", value: 1, type: 1, properties: ["capacity": "integer"]}
 run/0: ingredient 0 is i
 mem/0: location 1006 is 3
 run/0: ingredient 1 is capacity
@@ -213,15 +258,18 @@ mem/0: location 1002 is 3
 run/0: product 0 is 1
 mem/0: storing 1 in location 1007
 run/0: instruction init-array/13
+run/0: break-if {name: "done?", value: 6, type: 3, properties: ["done?": "boolean"]}, {name: "", value: 6, type: , properties: ["": ]}
 mem/0: location 1007 is 1
 run/0: ingredient 0 is 1
 run/0: ingredient 1 is 
 run/0: jumping to instruction 20
 run/0: instruction init-array/21
+run/0: reply {name: "result", value: 4, type: 2-5-1, properties: ["result": "address":"array":"location"]}
 mem/0: location 1005 is 1030
 run/0: result 0 is 1030
 mem/0: storing 1030 in location 1
 run/0: instruction test-array-from-args/1
+run/0: {name: "2", value: 2, type: 5-1, properties: ["2": "array":"location"]} <- copy {name: "1", value: 1, type: 2-5-1, properties: ["1": "address":"array":"location", "deref": ]}
 run/0: ingredient 0 is 1
 mem/0: location 1 is 1030
 mem/0: location 1030 is 3
diff --git a/cpp/.traces/array_length b/cpp/.traces/array_length
index 937d5d5c..bd5f2a56 100644
--- a/cpp/.traces/array_length
+++ b/cpp/.traces/array_length
@@ -22,16 +22,21 @@ after-brace/0: length ...
 new/0: routine allocated memory from 1000 to 101000
 schedule/0: main
 run/0: instruction main/0
+run/0: {name: "1", value: 1, type: 1, properties: ["1": "integer"]} <- copy {name: "3", value: 3, type: 0, properties: ["3": "literal"]}
 run/0: ingredient 0 is 3
 mem/0: storing 3 in location 1
 run/0: instruction main/1
+run/0: {name: "2", value: 2, type: 1, properties: ["2": "integer"]} <- copy {name: "14", value: 14, type: 0, properties: ["14": "literal"]}
 run/0: ingredient 0 is 14
 mem/0: storing 14 in location 2
 run/0: instruction main/2
+run/0: {name: "3", value: 3, type: 1, properties: ["3": "integer"]} <- copy {name: "15", value: 15, type: 0, properties: ["15": "literal"]}
 run/0: ingredient 0 is 15
 mem/0: storing 15 in location 3
 run/0: instruction main/3
+run/0: {name: "4", value: 4, type: 1, properties: ["4": "integer"]} <- copy {name: "16", value: 16, type: 0, properties: ["16": "literal"]}
 run/0: ingredient 0 is 16
 mem/0: storing 16 in location 4
 run/0: instruction main/4
+run/0: {name: "5", value: 5, type: 1, properties: ["5": "integer"]} <- length {name: "1", value: 1, type: 5-1, properties: ["1": "array":"integer"]}
 mem/0: storing 3 in location 5
diff --git a/cpp/.traces/assert b/cpp/.traces/assert
index ae903831..a9688419 100644
--- a/cpp/.traces/assert
+++ b/cpp/.traces/assert
@@ -6,5 +6,6 @@ after-brace/0: assert ...
 new/0: routine allocated memory from 1000 to 101000
 schedule/0: main
 run/0: instruction main/0
+run/0: assert {name: "0", value: 0, type: 0, properties: ["0": "literal"]}, {name: "this is an assert in mu", value: 0, type: 0, properties: ["this is an assert in mu": "literal-string"]}
 run/0: ingredient 0 is 0
 warn/0: this is an assert in mu
diff --git a/cpp/.traces/brace_conversion_and_run b/cpp/.traces/brace_conversion_and_run
index 72792c3e..9aafc716 100644
--- a/cpp/.traces/brace_conversion_and_run
+++ b/cpp/.traces/brace_conversion_and_run
@@ -40,22 +40,27 @@ after-brace/0: copy ...
 new/0: routine allocated memory from 1000 to 101000
 schedule/0: test-factorial
 run/0: instruction test-factorial/0
+run/0: {name: "1", value: 1, type: 1, properties: ["1": "integer"]} <- copy {name: "5", value: 5, type: 0, properties: ["5": "literal"]}
 run/0: ingredient 0 is 5
 mem/0: storing 5 in location 1
 run/0: instruction test-factorial/1
+run/0: {name: "2", value: 2, type: 1, properties: ["2": "integer"]} <- copy {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: ingredient 0 is 1
 mem/0: storing 1 in location 2
 run/0: instruction test-factorial/3
+run/0: {name: "3", value: 3, type: 3, properties: ["3": "boolean"]} <- equal {name: "1", value: 1, type: 1, properties: ["1": "integer"]}, {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: ingredient 0 is 1
 mem/0: location 1 is 5
 run/0: ingredient 1 is 1
 run/0: product 0 is 0
 mem/0: storing 0 in location 3
 run/0: instruction test-factorial/4
+run/0: break-if {name: "3", value: 3, type: 3, properties: ["3": "boolean"]}, {name: "", value: 3, type: , properties: ["": ]}
 mem/0: location 3 is 0
 run/0: ingredient 0 is 0
 run/0: jump-if fell through
 run/0: instruction test-factorial/5
+run/0: {name: "2", value: 2, type: 1, properties: ["2": "integer"]} <- multiply {name: "2", value: 2, type: 1, properties: ["2": "integer"]}, {name: "1", value: 1, type: 1, properties: ["1": "integer"]}
 run/0: ingredient 0 is 2
 mem/0: location 2 is 1
 run/0: ingredient 1 is 1
@@ -64,25 +69,30 @@ run/0: ingredient 1 is 5
 run/0: product 0 is 5
 mem/0: storing 5 in location 2
 run/0: instruction test-factorial/6
+run/0: {name: "1", value: 1, type: 1, properties: ["1": "integer"]} <- subtract {name: "1", value: 1, type: 1, properties: ["1": "integer"]}, {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: ingredient 0 is 1
 mem/0: location 1 is 5
 run/0: ingredient 1 is 1
 run/0: product 0 is 4
 mem/0: storing 4 in location 1
 run/0: instruction test-factorial/7
+run/0: loop {name: "", value: -5, type: , properties: ["": ]}
 run/0: ingredient 0 is -5
 run/0: jumping to instruction 3
 run/0: instruction test-factorial/3
+run/0: {name: "3", value: 3, type: 3, properties: ["3": "boolean"]} <- equal {name: "1", value: 1, type: 1, properties: ["1": "integer"]}, {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: ingredient 0 is 1
 mem/0: location 1 is 4
 run/0: ingredient 1 is 1
 run/0: product 0 is 0
 mem/0: storing 0 in location 3
 run/0: instruction test-factorial/4
+run/0: break-if {name: "3", value: 3, type: 3, properties: ["3": "boolean"]}, {name: "", value: 3, type: , properties: ["": ]}
 mem/0: location 3 is 0
 run/0: ingredient 0 is 0
 run/0: jump-if fell through
 run/0: instruction test-factorial/5
+run/0: {name: "2", value: 2, type: 1, properties: ["2": "integer"]} <- multiply {name: "2", value: 2, type: 1, properties: ["2": "integer"]}, {name: "1", value: 1, type: 1, properties: ["1": "integer"]}
 run/0: ingredient 0 is 2
 mem/0: location 2 is 5
 run/0: ingredient 1 is 1
@@ -91,25 +101,30 @@ run/0: ingredient 1 is 4
 run/0: product 0 is 20
 mem/0: storing 20 in location 2
 run/0: instruction test-factorial/6
+run/0: {name: "1", value: 1, type: 1, properties: ["1": "integer"]} <- subtract {name: "1", value: 1, type: 1, properties: ["1": "integer"]}, {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: ingredient 0 is 1
 mem/0: location 1 is 4
 run/0: ingredient 1 is 1
 run/0: product 0 is 3
 mem/0: storing 3 in location 1
 run/0: instruction test-factorial/7
+run/0: loop {name: "", value: -5, type: , properties: ["": ]}
 run/0: ingredient 0 is -5
 run/0: jumping to instruction 3
 run/0: instruction test-factorial/3
+run/0: {name: "3", value: 3, type: 3, properties: ["3": "boolean"]} <- equal {name: "1", value: 1, type: 1, properties: ["1": "integer"]}, {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: ingredient 0 is 1
 mem/0: location 1 is 3
 run/0: ingredient 1 is 1
 run/0: product 0 is 0
 mem/0: storing 0 in location 3
 run/0: instruction test-factorial/4
+run/0: break-if {name: "3", value: 3, type: 3, properties: ["3": "boolean"]}, {name: "", value: 3, type: , properties: ["": ]}
 mem/0: location 3 is 0
 run/0: ingredient 0 is 0
 run/0: jump-if fell through
 run/0: instruction test-factorial/5
+run/0: {name: "2", value: 2, type: 1, properties: ["2": "integer"]} <- multiply {name: "2", value: 2, type: 1, properties: ["2": "integer"]}, {name: "1", value: 1, type: 1, properties: ["1": "integer"]}
 run/0: ingredient 0 is 2
 mem/0: location 2 is 20
 run/0: ingredient 1 is 1
@@ -118,25 +133,30 @@ run/0: ingredient 1 is 3
 run/0: product 0 is 60
 mem/0: storing 60 in location 2
 run/0: instruction test-factorial/6
+run/0: {name: "1", value: 1, type: 1, properties: ["1": "integer"]} <- subtract {name: "1", value: 1, type: 1, properties: ["1": "integer"]}, {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: ingredient 0 is 1
 mem/0: location 1 is 3
 run/0: ingredient 1 is 1
 run/0: product 0 is 2
 mem/0: storing 2 in location 1
 run/0: instruction test-factorial/7
+run/0: loop {name: "", value: -5, type: , properties: ["": ]}
 run/0: ingredient 0 is -5
 run/0: jumping to instruction 3
 run/0: instruction test-factorial/3
+run/0: {name: "3", value: 3, type: 3, properties: ["3": "boolean"]} <- equal {name: "1", value: 1, type: 1, properties: ["1": "integer"]}, {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: ingredient 0 is 1
 mem/0: location 1 is 2
 run/0: ingredient 1 is 1
 run/0: product 0 is 0
 mem/0: storing 0 in location 3
 run/0: instruction test-factorial/4
+run/0: break-if {name: "3", value: 3, type: 3, properties: ["3": "boolean"]}, {name: "", value: 3, type: , properties: ["": ]}
 mem/0: location 3 is 0
 run/0: ingredient 0 is 0
 run/0: jump-if fell through
 run/0: instruction test-factorial/5
+run/0: {name: "2", value: 2, type: 1, properties: ["2": "integer"]} <- multiply {name: "2", value: 2, type: 1, properties: ["2": "integer"]}, {name: "1", value: 1, type: 1, properties: ["1": "integer"]}
 run/0: ingredient 0 is 2
 mem/0: location 2 is 60
 run/0: ingredient 1 is 1
@@ -145,26 +165,31 @@ run/0: ingredient 1 is 2
 run/0: product 0 is 120
 mem/0: storing 120 in location 2
 run/0: instruction test-factorial/6
+run/0: {name: "1", value: 1, type: 1, properties: ["1": "integer"]} <- subtract {name: "1", value: 1, type: 1, properties: ["1": "integer"]}, {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: ingredient 0 is 1
 mem/0: location 1 is 2
 run/0: ingredient 1 is 1
 run/0: product 0 is 1
 mem/0: storing 1 in location 1
 run/0: instruction test-factorial/7
+run/0: loop {name: "", value: -5, type: , properties: ["": ]}
 run/0: ingredient 0 is -5
 run/0: jumping to instruction 3
 run/0: instruction test-factorial/3
+run/0: {name: "3", value: 3, type: 3, properties: ["3": "boolean"]} <- equal {name: "1", value: 1, type: 1, properties: ["1": "integer"]}, {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: ingredient 0 is 1
 mem/0: location 1 is 1
 run/0: ingredient 1 is 1
 run/0: product 0 is 1
 mem/0: storing 1 in location 3
 run/0: instruction test-factorial/4
+run/0: break-if {name: "3", value: 3, type: 3, properties: ["3": "boolean"]}, {name: "", value: 3, type: , properties: ["": ]}
 mem/0: location 3 is 1
 run/0: ingredient 0 is 1
 run/0: ingredient 1 is 
 run/0: jumping to instruction 8
 run/0: instruction test-factorial/9
+run/0: {name: "4", value: 4, type: 1, properties: ["4": "integer"]} <- copy {name: "2", value: 2, type: 1, properties: ["2": "integer"]}
 run/0: ingredient 0 is 2
 mem/0: location 2 is 120
 mem/0: storing 120 in location 4
diff --git a/cpp/.traces/buffer-append-works b/cpp/.traces/buffer-append-works
index c4b4b221..03175513 100644
--- a/cpp/.traces/buffer-append-works
+++ b/cpp/.traces/buffer-append-works
@@ -79,16 +79,21 @@ after-brace/0: copy ...
 new/0: routine allocated memory from 1000 to 101000
 schedule/0: test-buffer-append-works
 run/0: instruction test-buffer-append-works/0
+run/0: {name: "default-space", value: 0, type: 2-5-1, properties: ["default-space": "address":"array":"location"]} <- new {name: "location", value: 1, type: 0, properties: ["location": "type"]}, {name: "30", value: 30, type: 0, properties: ["30": "literal"]}
 mem/0: array size is 30
 mem/0: new alloc: 1000
 run/0: instruction test-buffer-append-works/1
+run/0: {name: "x", value: 1, type: 2-9, properties: ["x": "address":"buffer"]} <- init-buffer {name: "3", value: 3, type: 0, properties: ["3": "literal"]}
 run/0: instruction init-buffer/0
+run/0: {name: "default-space", value: 0, type: 2-5-1, properties: ["default-space": "address":"array":"location"]} <- new {name: "location", value: 1, type: 0, properties: ["location": "type"]}, {name: "30", value: 30, type: 0, properties: ["30": "literal"]}
 mem/0: array size is 30
 mem/0: new alloc: 1030
 run/0: instruction init-buffer/1
+run/0: {name: "result", value: 1, type: 2-9, properties: ["result": "address":"buffer"]} <- new {name: "buffer", value: 9, type: 0, properties: ["buffer": "type"]}
 mem/0: new alloc: 1060
 mem/0: storing 1060 in location 1032
 run/0: instruction init-buffer/2
+run/0: {name: "len", value: 2, type: 2-1, properties: ["len": "address":"integer"]} <- get-address {name: "result", value: 1, type: 2-9, properties: ["result": "address":"buffer", "deref": ]}, {name: "length", value: 0, type: 0, properties: ["length": "offset"]}
 run/0: ingredient 0 is result
 mem/0: location 1032 is 1060
 run/0: ingredient 1 is length
@@ -96,10 +101,12 @@ run/0: address to copy is 1060
 run/0: product 0 is 1060
 mem/0: storing 1060 in location 1033
 run/0: instruction init-buffer/3
+run/0: {name: "len", value: 2, type: 2-1, properties: ["len": "address":"integer", "deref": ]} <- copy {name: "0", value: 0, type: 0, properties: ["0": "literal"]}
 run/0: ingredient 0 is 0
 mem/0: location 1033 is 1060
 mem/0: storing 0 in location 1060
 run/0: instruction init-buffer/4
+run/0: {name: "s", value: 3, type: 2-2-5-4, properties: ["s": "address":"address":"array":"character"]} <- get-address {name: "result", value: 1, type: 2-9, properties: ["result": "address":"buffer", "deref": ]}, {name: "data", value: 1, type: 0, properties: ["data": "offset"]}
 run/0: ingredient 0 is result
 mem/0: location 1032 is 1060
 run/0: ingredient 1 is data
@@ -107,19 +114,23 @@ run/0: address to copy is 1061
 run/0: product 0 is 1061
 mem/0: storing 1061 in location 1034
 run/0: instruction init-buffer/5
+run/0: {name: "capacity", value: 4, type: 1, properties: ["capacity": "integer"]} <- next-ingredient 
 run/0: product 0 is 3
 mem/0: storing 3 in location 1035
 run/0: instruction init-buffer/6
+run/0: {name: "s", value: 3, type: 2-2-5-4, properties: ["s": "address":"address":"array":"character", "deref": ]} <- new {name: "character", value: 4, type: 0, properties: ["character": "type"]}, {name: "capacity", value: 4, type: 1, properties: ["capacity": "integer"]}
 mem/0: location 1035 is 3
 mem/0: array size is 3
 mem/0: new alloc: 1062
 mem/0: location 1034 is 1061
 mem/0: storing 1062 in location 1061
 run/0: instruction init-buffer/7
+run/0: reply {name: "result", value: 1, type: 2-9, properties: ["result": "address":"buffer"]}
 mem/0: location 1032 is 1060
 run/0: result 0 is 1060
 mem/0: storing 1060 in location 1002
 run/0: instruction test-buffer-append-works/2
+run/0: {name: "s1", value: 2, type: 2-5-4, properties: ["s1": "address":"array":"character"]} <- get {name: "x", value: 1, type: 2-9, properties: ["x": "address":"buffer", "deref": ]}, {name: "data", value: 1, type: 0, properties: ["data": "offset"]}
 run/0: ingredient 0 is x
 mem/0: location 1002 is 1060
 run/0: ingredient 1 is data
@@ -129,25 +140,33 @@ mem/0: location 1061 is 1062
 run/0: product 0 is 1062
 mem/0: storing 1062 in location 1003
 run/0: instruction test-buffer-append-works/3
+run/0: {name: "x", value: 1, type: 2-9, properties: ["x": "address":"buffer"]} <- buffer-append {name: "x", value: 1, type: 2-9, properties: ["x": "address":"buffer"]}, {name: "97", value: 97, type: 0, properties: ["97": "literal"]}
 mem/0: location 1002 is 1060
 run/0: instruction buffer-append/0
+run/0: {name: "default-space", value: 0, type: 2-5-1, properties: ["default-space": "address":"array":"location"]} <- new {name: "location", value: 1, type: 0, properties: ["location": "type"]}, {name: "30", value: 30, type: 0, properties: ["30": "literal"]}
 mem/0: array size is 30
 mem/0: new alloc: 1065
 run/0: instruction buffer-append/1
+run/0: {name: "in", value: 1, type: 2-9, properties: ["in": "address":"buffer"]} <- next-ingredient 
 run/0: product 0 is 1060
 mem/0: storing 1060 in location 1067
 run/0: instruction buffer-append/2
+run/0: {name: "c", value: 2, type: 4, properties: ["c": "character"]} <- next-ingredient 
 run/0: product 0 is 97
 mem/0: storing 97 in location 1068
 run/0: instruction buffer-append/4
+run/0: {name: "full?", value: 3, type: 3, properties: ["full?": "boolean"]} <- buffer-full? {name: "in", value: 1, type: 2-9, properties: ["in": "address":"buffer"]}
 mem/0: location 1067 is 1060
 run/0: instruction buffer-full?/0
+run/0: {name: "default-space", value: 0, type: 2-5-1, properties: ["default-space": "address":"array":"location"]} <- new {name: "location", value: 1, type: 0, properties: ["location": "type"]}, {name: "30", value: 30, type: 0, properties: ["30": "literal"]}
 mem/0: array size is 30
 mem/0: new alloc: 1095
 run/0: instruction buffer-full?/1
+run/0: {name: "in", value: 1, type: 2-9, properties: ["in": "address":"buffer"]} <- next-ingredient 
 run/0: product 0 is 1060
 mem/0: storing 1060 in location 1097
 run/0: instruction buffer-full?/2
+run/0: {name: "len", value: 2, type: 1, properties: ["len": "integer"]} <- get {name: "in", value: 1, type: 2-9, properties: ["in": "address":"buffer", "deref": ]}, {name: "length", value: 0, type: 0, properties: ["length": "offset"]}
 run/0: ingredient 0 is in
 mem/0: location 1097 is 1060
 run/0: ingredient 1 is length
@@ -157,6 +176,7 @@ mem/0: location 1060 is 0
 run/0: product 0 is 0
 mem/0: storing 0 in location 1098
 run/0: instruction buffer-full?/3
+run/0: {name: "s", value: 3, type: 2-5-4, properties: ["s": "address":"array":"character"]} <- get {name: "in", value: 1, type: 2-9, properties: ["in": "address":"buffer", "deref": ]}, {name: "data", value: 1, type: 0, properties: ["data": "offset"]}
 run/0: ingredient 0 is in
 mem/0: location 1097 is 1060
 run/0: ingredient 1 is data
@@ -166,9 +186,11 @@ mem/0: location 1061 is 1062
 run/0: product 0 is 1062
 mem/0: storing 1062 in location 1099
 run/0: instruction buffer-full?/4
+run/0: {name: "capacity", value: 4, type: 1, properties: ["capacity": "integer"]} <- length {name: "s", value: 3, type: 2-5-4, properties: ["s": "address":"array":"character", "deref": ]}
 mem/0: location 1099 is 1062
 mem/0: storing 3 in location 1100
 run/0: instruction buffer-full?/5
+run/0: {name: "result", value: 5, type: 3, properties: ["result": "boolean"]} <- greater-or-equal {name: "len", value: 2, type: 1, properties: ["len": "integer"]}, {name: "capacity", value: 4, type: 1, properties: ["capacity": "integer"]}
 run/0: ingredient 0 is len
 mem/0: location 1098 is 0
 run/0: ingredient 1 is capacity
@@ -176,15 +198,18 @@ mem/0: location 1100 is 3
 run/0: product 0 is 0
 mem/0: storing 0 in location 1101
 run/0: instruction buffer-full?/6
+run/0: reply {name: "result", value: 5, type: 3, properties: ["result": "boolean"]}
 mem/0: location 1101 is 0
 run/0: result 0 is 0
 mem/0: storing 0 in location 1069
 run/0: instruction buffer-append/5
+run/0: break-unless {name: "full?", value: 3, type: 3, properties: ["full?": "boolean"]}, {name: "", value: 1, type: , properties: ["": ]}
 mem/0: location 1069 is 0
 run/0: ingredient 0 is 0
 run/0: ingredient 1 is 
 run/0: jumping to instruction 7
 run/0: instruction buffer-append/8
+run/0: {name: "len", value: 4, type: 2-1, properties: ["len": "address":"integer"]} <- get-address {name: "in", value: 1, type: 2-9, properties: ["in": "address":"buffer", "deref": ]}, {name: "length", value: 0, type: 0, properties: ["length": "offset"]}
 run/0: ingredient 0 is in
 mem/0: location 1067 is 1060
 run/0: ingredient 1 is length
@@ -192,6 +217,7 @@ run/0: address to copy is 1060
 run/0: product 0 is 1060
 mem/0: storing 1060 in location 1070
 run/0: instruction buffer-append/9
+run/0: {name: "s", value: 5, type: 2-5-4, properties: ["s": "address":"array":"character"]} <- get {name: "in", value: 1, type: 2-9, properties: ["in": "address":"buffer", "deref": ]}, {name: "data", value: 1, type: 0, properties: ["data": "offset"]}
 run/0: ingredient 0 is in
 mem/0: location 1067 is 1060
 run/0: ingredient 1 is data
@@ -201,6 +227,7 @@ mem/0: location 1061 is 1062
 run/0: product 0 is 1062
 mem/0: storing 1062 in location 1071
 run/0: instruction buffer-append/10
+run/0: {name: "dest", value: 6, type: 2-4, properties: ["dest": "address":"character"]} <- index-address {name: "s", value: 5, type: 2-5-4, properties: ["s": "address":"array":"character", "deref": ]}, {name: "len", value: 4, type: 2-1, properties: ["len": "address":"integer", "deref": ]}
 run/0: ingredient 0 is s
 mem/0: location 1071 is 1062
 run/0: ingredient 1 is {name: "len", value: 4, type: 2-1, properties: ["len": "address":"integer", "deref": ]}
@@ -210,11 +237,13 @@ run/0: address to copy is 1063
 run/0: product 0 is 1063
 mem/0: storing 1063 in location 1072
 run/0: instruction buffer-append/11
+run/0: {name: "dest", value: 6, type: 2-4, properties: ["dest": "address":"character", "deref": ]} <- copy {name: "c", value: 2, type: 4, properties: ["c": "character"]}
 run/0: ingredient 0 is c
 mem/0: location 1068 is 97
 mem/0: location 1072 is 1063
 mem/0: storing 97 in location 1063
 run/0: instruction buffer-append/12
+run/0: {name: "len", value: 4, type: 2-1, properties: ["len": "address":"integer", "deref": ]} <- add {name: "len", value: 4, type: 2-1, properties: ["len": "address":"integer", "deref": ]}, {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: ingredient 0 is len
 mem/0: location 1070 is 1060
 mem/0: location 1060 is 0
@@ -223,29 +252,38 @@ run/0: product 0 is 1
 mem/0: location 1070 is 1060
 mem/0: storing 1 in location 1060
 run/0: instruction buffer-append/13
+run/0: reply {name: "in", value: 1, type: 2-9, properties: ["in": "address":"buffer", "same-as-ingredient": "0"]}
 mem/0: location 1067 is 1060
 run/0: result 0 is 1060
 mem/0: storing 1060 in location 1002
 run/0: instruction test-buffer-append-works/4
+run/0: {name: "x", value: 1, type: 2-9, properties: ["x": "address":"buffer"]} <- buffer-append {name: "x", value: 1, type: 2-9, properties: ["x": "address":"buffer"]}, {name: "98", value: 98, type: 0, properties: ["98": "literal"]}
 mem/0: location 1002 is 1060
 run/0: instruction buffer-append/0
+run/0: {name: "default-space", value: 0, type: 2-5-1, properties: ["default-space": "address":"array":"location"]} <- new {name: "location", value: 1, type: 0, properties: ["location": "type"]}, {name: "30", value: 30, type: 0, properties: ["30": "literal"]}
 mem/0: array size is 30
 mem/0: new alloc: 1125
 run/0: instruction buffer-append/1
+run/0: {name: "in", value: 1, type: 2-9, properties: ["in": "address":"buffer"]} <- next-ingredient 
 run/0: product 0 is 1060
 mem/0: storing 1060 in location 1127
 run/0: instruction buffer-append/2
+run/0: {name: "c", value: 2, type: 4, properties: ["c": "character"]} <- next-ingredient 
 run/0: product 0 is 98
 mem/0: storing 98 in location 1128
 run/0: instruction buffer-append/4
+run/0: {name: "full?", value: 3, type: 3, properties: ["full?": "boolean"]} <- buffer-full? {name: "in", value: 1, type: 2-9, properties: ["in": "address":"buffer"]}
 mem/0: location 1127 is 1060
 run/0: instruction buffer-full?/0
+run/0: {name: "default-space", value: 0, type: 2-5-1, properties: ["default-space": "address":"array":"location"]} <- new {name: "location", value: 1, type: 0, properties: ["location": "type"]}, {name: "30", value: 30, type: 0, properties: ["30": "literal"]}
 mem/0: array size is 30
 mem/0: new alloc: 1155
 run/0: instruction buffer-full?/1
+run/0: {name: "in", value: 1, type: 2-9, properties: ["in": "address":"buffer"]} <- next-ingredient 
 run/0: product 0 is 1060
 mem/0: storing 1060 in location 1157
 run/0: instruction buffer-full?/2
+run/0: {name: "len", value: 2, type: 1, properties: ["len": "integer"]} <- get {name: "in", value: 1, type: 2-9, properties: ["in": "address":"buffer", "deref": ]}, {name: "length", value: 0, type: 0, properties: ["length": "offset"]}
 run/0: ingredient 0 is in
 mem/0: location 1157 is 1060
 run/0: ingredient 1 is length
@@ -255,6 +293,7 @@ mem/0: location 1060 is 1
 run/0: product 0 is 1
 mem/0: storing 1 in location 1158
 run/0: instruction buffer-full?/3
+run/0: {name: "s", value: 3, type: 2-5-4, properties: ["s": "address":"array":"character"]} <- get {name: "in", value: 1, type: 2-9, properties: ["in": "address":"buffer", "deref": ]}, {name: "data", value: 1, type: 0, properties: ["data": "offset"]}
 run/0: ingredient 0 is in
 mem/0: location 1157 is 1060
 run/0: ingredient 1 is data
@@ -264,9 +303,11 @@ mem/0: location 1061 is 1062
 run/0: product 0 is 1062
 mem/0: storing 1062 in location 1159
 run/0: instruction buffer-full?/4
+run/0: {name: "capacity", value: 4, type: 1, properties: ["capacity": "integer"]} <- length {name: "s", value: 3, type: 2-5-4, properties: ["s": "address":"array":"character", "deref": ]}
 mem/0: location 1159 is 1062
 mem/0: storing 3 in location 1160
 run/0: instruction buffer-full?/5
+run/0: {name: "result", value: 5, type: 3, properties: ["result": "boolean"]} <- greater-or-equal {name: "len", value: 2, type: 1, properties: ["len": "integer"]}, {name: "capacity", value: 4, type: 1, properties: ["capacity": "integer"]}
 run/0: ingredient 0 is len
 mem/0: location 1158 is 1
 run/0: ingredient 1 is capacity
@@ -274,15 +315,18 @@ mem/0: location 1160 is 3
 run/0: product 0 is 0
 mem/0: storing 0 in location 1161
 run/0: instruction buffer-full?/6
+run/0: reply {name: "result", value: 5, type: 3, properties: ["result": "boolean"]}
 mem/0: location 1161 is 0
 run/0: result 0 is 0
 mem/0: storing 0 in location 1129
 run/0: instruction buffer-append/5
+run/0: break-unless {name: "full?", value: 3, type: 3, properties: ["full?": "boolean"]}, {name: "", value: 1, type: , properties: ["": ]}
 mem/0: location 1129 is 0
 run/0: ingredient 0 is 0
 run/0: ingredient 1 is 
 run/0: jumping to instruction 7
 run/0: instruction buffer-append/8
+run/0: {name: "len", value: 4, type: 2-1, properties: ["len": "address":"integer"]} <- get-address {name: "in", value: 1, type: 2-9, properties: ["in": "address":"buffer", "deref": ]}, {name: "length", value: 0, type: 0, properties: ["length": "offset"]}
 run/0: ingredient 0 is in
 mem/0: location 1127 is 1060
 run/0: ingredient 1 is length
@@ -290,6 +334,7 @@ run/0: address to copy is 1060
 run/0: product 0 is 1060
 mem/0: storing 1060 in location 1130
 run/0: instruction buffer-append/9
+run/0: {name: "s", value: 5, type: 2-5-4, properties: ["s": "address":"array":"character"]} <- get {name: "in", value: 1, type: 2-9, properties: ["in": "address":"buffer", "deref": ]}, {name: "data", value: 1, type: 0, properties: ["data": "offset"]}
 run/0: ingredient 0 is in
 mem/0: location 1127 is 1060
 run/0: ingredient 1 is data
@@ -299,6 +344,7 @@ mem/0: location 1061 is 1062
 run/0: product 0 is 1062
 mem/0: storing 1062 in location 1131
 run/0: instruction buffer-append/10
+run/0: {name: "dest", value: 6, type: 2-4, properties: ["dest": "address":"character"]} <- index-address {name: "s", value: 5, type: 2-5-4, properties: ["s": "address":"array":"character", "deref": ]}, {name: "len", value: 4, type: 2-1, properties: ["len": "address":"integer", "deref": ]}
 run/0: ingredient 0 is s
 mem/0: location 1131 is 1062
 run/0: ingredient 1 is {name: "len", value: 4, type: 2-1, properties: ["len": "address":"integer", "deref": ]}
@@ -308,11 +354,13 @@ run/0: address to copy is 1064
 run/0: product 0 is 1064
 mem/0: storing 1064 in location 1132
 run/0: instruction buffer-append/11
+run/0: {name: "dest", value: 6, type: 2-4, properties: ["dest": "address":"character", "deref": ]} <- copy {name: "c", value: 2, type: 4, properties: ["c": "character"]}
 run/0: ingredient 0 is c
 mem/0: location 1128 is 98
 mem/0: location 1132 is 1064
 mem/0: storing 98 in location 1064
 run/0: instruction buffer-append/12
+run/0: {name: "len", value: 4, type: 2-1, properties: ["len": "address":"integer", "deref": ]} <- add {name: "len", value: 4, type: 2-1, properties: ["len": "address":"integer", "deref": ]}, {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: ingredient 0 is len
 mem/0: location 1130 is 1060
 mem/0: location 1060 is 1
@@ -321,29 +369,38 @@ run/0: product 0 is 2
 mem/0: location 1130 is 1060
 mem/0: storing 2 in location 1060
 run/0: instruction buffer-append/13
+run/0: reply {name: "in", value: 1, type: 2-9, properties: ["in": "address":"buffer", "same-as-ingredient": "0"]}
 mem/0: location 1127 is 1060
 run/0: result 0 is 1060
 mem/0: storing 1060 in location 1002
 run/0: instruction test-buffer-append-works/5
+run/0: {name: "x", value: 1, type: 2-9, properties: ["x": "address":"buffer"]} <- buffer-append {name: "x", value: 1, type: 2-9, properties: ["x": "address":"buffer"]}, {name: "99", value: 99, type: 0, properties: ["99": "literal"]}
 mem/0: location 1002 is 1060
 run/0: instruction buffer-append/0
+run/0: {name: "default-space", value: 0, type: 2-5-1, properties: ["default-space": "address":"array":"location"]} <- new {name: "location", value: 1, type: 0, properties: ["location": "type"]}, {name: "30", value: 30, type: 0, properties: ["30": "literal"]}
 mem/0: array size is 30
 mem/0: new alloc: 1185
 run/0: instruction buffer-append/1
+run/0: {name: "in", value: 1, type: 2-9, properties: ["in": "address":"buffer"]} <- next-ingredient 
 run/0: product 0 is 1060
 mem/0: storing 1060 in location 1187
 run/0: instruction buffer-append/2
+run/0: {name: "c", value: 2, type: 4, properties: ["c": "character"]} <- next-ingredient 
 run/0: product 0 is 99
 mem/0: storing 99 in location 1188
 run/0: instruction buffer-append/4
+run/0: {name: "full?", value: 3, type: 3, properties: ["full?": "boolean"]} <- buffer-full? {name: "in", value: 1, type: 2-9, properties: ["in": "address":"buffer"]}
 mem/0: location 1187 is 1060
 run/0: instruction buffer-full?/0
+run/0: {name: "default-space", value: 0, type: 2-5-1, properties: ["default-space": "address":"array":"location"]} <- new {name: "location", value: 1, type: 0, properties: ["location": "type"]}, {name: "30", value: 30, type: 0, properties: ["30": "literal"]}
 mem/0: array size is 30
 mem/0: new alloc: 1215
 run/0: instruction buffer-full?/1
+run/0: {name: "in", value: 1, type: 2-9, properties: ["in": "address":"buffer"]} <- next-ingredient 
 run/0: product 0 is 1060
 mem/0: storing 1060 in location 1217
 run/0: instruction buffer-full?/2
+run/0: {name: "len", value: 2, type: 1, properties: ["len": "integer"]} <- get {name: "in", value: 1, type: 2-9, properties: ["in": "address":"buffer", "deref": ]}, {name: "length", value: 0, type: 0, properties: ["length": "offset"]}
 run/0: ingredient 0 is in
 mem/0: location 1217 is 1060
 run/0: ingredient 1 is length
@@ -353,6 +410,7 @@ mem/0: location 1060 is 2
 run/0: product 0 is 2
 mem/0: storing 2 in location 1218
 run/0: instruction buffer-full?/3
+run/0: {name: "s", value: 3, type: 2-5-4, properties: ["s": "address":"array":"character"]} <- get {name: "in", value: 1, type: 2-9, properties: ["in": "address":"buffer", "deref": ]}, {name: "data", value: 1, type: 0, properties: ["data": "offset"]}
 run/0: ingredient 0 is in
 mem/0: location 1217 is 1060
 run/0: ingredient 1 is data
@@ -362,9 +420,11 @@ mem/0: location 1061 is 1062
 run/0: product 0 is 1062
 mem/0: storing 1062 in location 1219
 run/0: instruction buffer-full?/4
+run/0: {name: "capacity", value: 4, type: 1, properties: ["capacity": "integer"]} <- length {name: "s", value: 3, type: 2-5-4, properties: ["s": "address":"array":"character", "deref": ]}
 mem/0: location 1219 is 1062
 mem/0: storing 3 in location 1220
 run/0: instruction buffer-full?/5
+run/0: {name: "result", value: 5, type: 3, properties: ["result": "boolean"]} <- greater-or-equal {name: "len", value: 2, type: 1, properties: ["len": "integer"]}, {name: "capacity", value: 4, type: 1, properties: ["capacity": "integer"]}
 run/0: ingredient 0 is len
 mem/0: location 1218 is 2
 run/0: ingredient 1 is capacity
@@ -372,15 +432,18 @@ mem/0: location 1220 is 3
 run/0: product 0 is 0
 mem/0: storing 0 in location 1221
 run/0: instruction buffer-full?/6
+run/0: reply {name: "result", value: 5, type: 3, properties: ["result": "boolean"]}
 mem/0: location 1221 is 0
 run/0: result 0 is 0
 mem/0: storing 0 in location 1189
 run/0: instruction buffer-append/5
+run/0: break-unless {name: "full?", value: 3, type: 3, properties: ["full?": "boolean"]}, {name: "", value: 1, type: , properties: ["": ]}
 mem/0: location 1189 is 0
 run/0: ingredient 0 is 0
 run/0: ingredient 1 is 
 run/0: jumping to instruction 7
 run/0: instruction buffer-append/8
+run/0: {name: "len", value: 4, type: 2-1, properties: ["len": "address":"integer"]} <- get-address {name: "in", value: 1, type: 2-9, properties: ["in": "address":"buffer", "deref": ]}, {name: "length", value: 0, type: 0, properties: ["length": "offset"]}
 run/0: ingredient 0 is in
 mem/0: location 1187 is 1060
 run/0: ingredient 1 is length
@@ -388,6 +451,7 @@ run/0: address to copy is 1060
 run/0: product 0 is 1060
 mem/0: storing 1060 in location 1190
 run/0: instruction buffer-append/9
+run/0: {name: "s", value: 5, type: 2-5-4, properties: ["s": "address":"array":"character"]} <- get {name: "in", value: 1, type: 2-9, properties: ["in": "address":"buffer", "deref": ]}, {name: "data", value: 1, type: 0, properties: ["data": "offset"]}
 run/0: ingredient 0 is in
 mem/0: location 1187 is 1060
 run/0: ingredient 1 is data
@@ -397,6 +461,7 @@ mem/0: location 1061 is 1062
 run/0: product 0 is 1062
 mem/0: storing 1062 in location 1191
 run/0: instruction buffer-append/10
+run/0: {name: "dest", value: 6, type: 2-4, properties: ["dest": "address":"character"]} <- index-address {name: "s", value: 5, type: 2-5-4, properties: ["s": "address":"array":"character", "deref": ]}, {name: "len", value: 4, type: 2-1, properties: ["len": "address":"integer", "deref": ]}
 run/0: ingredient 0 is s
 mem/0: location 1191 is 1062
 run/0: ingredient 1 is {name: "len", value: 4, type: 2-1, properties: ["len": "address":"integer", "deref": ]}
@@ -406,11 +471,13 @@ run/0: address to copy is 1065
 run/0: product 0 is 1065
 mem/0: storing 1065 in location 1192
 run/0: instruction buffer-append/11
+run/0: {name: "dest", value: 6, type: 2-4, properties: ["dest": "address":"character", "deref": ]} <- copy {name: "c", value: 2, type: 4, properties: ["c": "character"]}
 run/0: ingredient 0 is c
 mem/0: location 1188 is 99
 mem/0: location 1192 is 1065
 mem/0: storing 99 in location 1065
 run/0: instruction buffer-append/12
+run/0: {name: "len", value: 4, type: 2-1, properties: ["len": "address":"integer", "deref": ]} <- add {name: "len", value: 4, type: 2-1, properties: ["len": "address":"integer", "deref": ]}, {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: ingredient 0 is len
 mem/0: location 1190 is 1060
 mem/0: location 1060 is 2
@@ -419,10 +486,12 @@ run/0: product 0 is 3
 mem/0: location 1190 is 1060
 mem/0: storing 3 in location 1060
 run/0: instruction buffer-append/13
+run/0: reply {name: "in", value: 1, type: 2-9, properties: ["in": "address":"buffer", "same-as-ingredient": "0"]}
 mem/0: location 1187 is 1060
 run/0: result 0 is 1060
 mem/0: storing 1060 in location 1002
 run/0: instruction test-buffer-append-works/6
+run/0: {name: "s2", value: 3, type: 2-5-4, properties: ["s2": "address":"array":"character"]} <- get {name: "x", value: 1, type: 2-9, properties: ["x": "address":"buffer", "deref": ]}, {name: "data", value: 1, type: 0, properties: ["data": "offset"]}
 run/0: ingredient 0 is x
 mem/0: location 1002 is 1060
 run/0: ingredient 1 is data
@@ -432,6 +501,7 @@ mem/0: location 1061 is 1062
 run/0: product 0 is 1062
 mem/0: storing 1062 in location 1004
 run/0: instruction test-buffer-append-works/7
+run/0: {name: "1", value: 1, type: 3, properties: ["1": "boolean", "raw": ]} <- equal {name: "s1", value: 2, type: 2-5-4, properties: ["s1": "address":"array":"character"]}, {name: "s2", value: 3, type: 2-5-4, properties: ["s2": "address":"array":"character"]}
 run/0: ingredient 0 is s1
 mem/0: location 1003 is 1062
 run/0: ingredient 1 is s2
@@ -439,6 +509,7 @@ mem/0: location 1004 is 1062
 run/0: product 0 is 1
 mem/0: storing 1 in location 1
 run/0: instruction test-buffer-append-works/8
+run/0: {name: "2", value: 2, type: 5-4, properties: ["2": "array":"character", "raw": ]} <- copy {name: "s2", value: 3, type: 2-5-4, properties: ["s2": "address":"array":"character", "deref": ]}
 run/0: ingredient 0 is s2
 mem/0: location 1004 is 1062
 mem/0: location 1062 is 3
@@ -450,25 +521,33 @@ mem/0: storing 97 in location 3
 mem/0: storing 98 in location 4
 mem/0: storing 99 in location 5
 run/0: instruction test-buffer-append-works/10
+run/0: {name: "x", value: 1, type: 2-9, properties: ["x": "address":"buffer"]} <- buffer-append {name: "x", value: 1, type: 2-9, properties: ["x": "address":"buffer"]}, {name: "100", value: 100, type: 0, properties: ["100": "literal"]}
 mem/0: location 1002 is 1060
 run/0: instruction buffer-append/0
+run/0: {name: "default-space", value: 0, type: 2-5-1, properties: ["default-space": "address":"array":"location"]} <- new {name: "location", value: 1, type: 0, properties: ["location": "type"]}, {name: "30", value: 30, type: 0, properties: ["30": "literal"]}
 mem/0: array size is 30
 mem/0: new alloc: 1245
 run/0: instruction buffer-append/1
+run/0: {name: "in", value: 1, type: 2-9, properties: ["in": "address":"buffer"]} <- next-ingredient 
 run/0: product 0 is 1060
 mem/0: storing 1060 in location 1247
 run/0: instruction buffer-append/2
+run/0: {name: "c", value: 2, type: 4, properties: ["c": "character"]} <- next-ingredient 
 run/0: product 0 is 100
 mem/0: storing 100 in location 1248
 run/0: instruction buffer-append/4
+run/0: {name: "full?", value: 3, type: 3, properties: ["full?": "boolean"]} <- buffer-full? {name: "in", value: 1, type: 2-9, properties: ["in": "address":"buffer"]}
 mem/0: location 1247 is 1060
 run/0: instruction buffer-full?/0
+run/0: {name: "default-space", value: 0, type: 2-5-1, properties: ["default-space": "address":"array":"location"]} <- new {name: "location", value: 1, type: 0, properties: ["location": "type"]}, {name: "30", value: 30, type: 0, properties: ["30": "literal"]}
 mem/0: array size is 30
 mem/0: new alloc: 1275
 run/0: instruction buffer-full?/1
+run/0: {name: "in", value: 1, type: 2-9, properties: ["in": "address":"buffer"]} <- next-ingredient 
 run/0: product 0 is 1060
 mem/0: storing 1060 in location 1277
 run/0: instruction buffer-full?/2
+run/0: {name: "len", value: 2, type: 1, properties: ["len": "integer"]} <- get {name: "in", value: 1, type: 2-9, properties: ["in": "address":"buffer", "deref": ]}, {name: "length", value: 0, type: 0, properties: ["length": "offset"]}
 run/0: ingredient 0 is in
 mem/0: location 1277 is 1060
 run/0: ingredient 1 is length
@@ -478,6 +557,7 @@ mem/0: location 1060 is 3
 run/0: product 0 is 3
 mem/0: storing 3 in location 1278
 run/0: instruction buffer-full?/3
+run/0: {name: "s", value: 3, type: 2-5-4, properties: ["s": "address":"array":"character"]} <- get {name: "in", value: 1, type: 2-9, properties: ["in": "address":"buffer", "deref": ]}, {name: "data", value: 1, type: 0, properties: ["data": "offset"]}
 run/0: ingredient 0 is in
 mem/0: location 1277 is 1060
 run/0: ingredient 1 is data
@@ -487,9 +567,11 @@ mem/0: location 1061 is 1062
 run/0: product 0 is 1062
 mem/0: storing 1062 in location 1279
 run/0: instruction buffer-full?/4
+run/0: {name: "capacity", value: 4, type: 1, properties: ["capacity": "integer"]} <- length {name: "s", value: 3, type: 2-5-4, properties: ["s": "address":"array":"character", "deref": ]}
 mem/0: location 1279 is 1062
 mem/0: storing 3 in location 1280
 run/0: instruction buffer-full?/5
+run/0: {name: "result", value: 5, type: 3, properties: ["result": "boolean"]} <- greater-or-equal {name: "len", value: 2, type: 1, properties: ["len": "integer"]}, {name: "capacity", value: 4, type: 1, properties: ["capacity": "integer"]}
 run/0: ingredient 0 is len
 mem/0: location 1278 is 3
 run/0: ingredient 1 is capacity
@@ -497,22 +579,28 @@ mem/0: location 1280 is 3
 run/0: product 0 is 1
 mem/0: storing 1 in location 1281
 run/0: instruction buffer-full?/6
+run/0: reply {name: "result", value: 5, type: 3, properties: ["result": "boolean"]}
 mem/0: location 1281 is 1
 run/0: result 0 is 1
 mem/0: storing 1 in location 1249
 run/0: instruction buffer-append/5
+run/0: break-unless {name: "full?", value: 3, type: 3, properties: ["full?": "boolean"]}, {name: "", value: 1, type: , properties: ["": ]}
 mem/0: location 1249 is 1
 run/0: ingredient 0 is 1
 run/0: jump-unless fell through
 run/0: instruction buffer-append/6
+run/0: {name: "in", value: 1, type: 2-9, properties: ["in": "address":"buffer"]} <- grow-buffer {name: "in", value: 1, type: 2-9, properties: ["in": "address":"buffer"]}
 mem/0: location 1247 is 1060
 run/0: instruction grow-buffer/0
+run/0: {name: "default-space", value: 0, type: 2-5-1, properties: ["default-space": "address":"array":"location"]} <- new {name: "location", value: 1, type: 0, properties: ["location": "type"]}, {name: "30", value: 30, type: 0, properties: ["30": "literal"]}
 mem/0: array size is 30
 mem/0: new alloc: 1305
 run/0: instruction grow-buffer/1
+run/0: {name: "in", value: 1, type: 2-9, properties: ["in": "address":"buffer"]} <- next-ingredient 
 run/0: product 0 is 1060
 mem/0: storing 1060 in location 1307
 run/0: instruction grow-buffer/2
+run/0: {name: "x", value: 2, type: 2-2-5-4, properties: ["x": "address":"address":"array":"character"]} <- get-address {name: "in", value: 1, type: 2-9, properties: ["in": "address":"buffer", "deref": ]}, {name: "data", value: 1, type: 0, properties: ["data": "offset"]}
 run/0: ingredient 0 is in
 mem/0: location 1307 is 1060
 run/0: ingredient 1 is data
@@ -520,10 +608,12 @@ run/0: address to copy is 1061
 run/0: product 0 is 1061
 mem/0: storing 1061 in location 1308
 run/0: instruction grow-buffer/3
+run/0: {name: "oldlen", value: 3, type: 1, properties: ["oldlen": "integer"]} <- length {name: "x", value: 2, type: 2-2-5-4, properties: ["x": "address":"address":"array":"character", "deref": , "deref": ]}
 mem/0: location 1308 is 1061
 mem/0: location 1061 is 1062
 mem/0: storing 3 in location 1309
 run/0: instruction grow-buffer/4
+run/0: {name: "newlen", value: 4, type: 1, properties: ["newlen": "integer"]} <- multiply {name: "oldlen", value: 3, type: 1, properties: ["oldlen": "integer"]}, {name: "2", value: 2, type: 0, properties: ["2": "literal"]}
 run/0: ingredient 0 is oldlen
 mem/0: location 1309 is 3
 run/0: ingredient 1 is 2
@@ -531,20 +621,24 @@ run/0: ingredient 1 is 2
 run/0: product 0 is 6
 mem/0: storing 6 in location 1310
 run/0: instruction grow-buffer/5
+run/0: {name: "olddata", value: 5, type: 2-5-4, properties: ["olddata": "address":"array":"character"]} <- copy {name: "x", value: 2, type: 2-2-5-4, properties: ["x": "address":"address":"array":"character", "deref": ]}
 run/0: ingredient 0 is x
 mem/0: location 1308 is 1061
 mem/0: location 1061 is 1062
 mem/0: storing 1062 in location 1311
 run/0: instruction grow-buffer/6
+run/0: {name: "x", value: 2, type: 2-2-5-4, properties: ["x": "address":"address":"array":"character", "deref": ]} <- new {name: "character", value: 4, type: 0, properties: ["character": "type"]}, {name: "newlen", value: 4, type: 1, properties: ["newlen": "integer"]}
 mem/0: location 1310 is 6
 mem/0: array size is 6
 mem/0: new alloc: 1335
 mem/0: location 1308 is 1061
 mem/0: storing 1335 in location 1061
 run/0: instruction grow-buffer/7
+run/0: {name: "i", value: 6, type: 1, properties: ["i": "integer"]} <- copy {name: "0", value: 0, type: 0, properties: ["0": "literal"]}
 run/0: ingredient 0 is 0
 mem/0: storing 0 in location 1312
 run/0: instruction grow-buffer/9
+run/0: {name: "done?", value: 7, type: 3, properties: ["done?": "boolean"]} <- greater-or-equal {name: "i", value: 6, type: 1, properties: ["i": "integer"]}, {name: "oldlen", value: 3, type: 1, properties: ["oldlen": "integer"]}
 run/0: ingredient 0 is i
 mem/0: location 1312 is 0
 run/0: ingredient 1 is oldlen
@@ -552,10 +646,12 @@ mem/0: location 1309 is 3
 run/0: product 0 is 0
 mem/0: storing 0 in location 1313
 run/0: instruction grow-buffer/10
+run/0: break-if {name: "done?", value: 7, type: 3, properties: ["done?": "boolean"]}, {name: "", value: 5, type: , properties: ["": ]}
 mem/0: location 1313 is 0
 run/0: ingredient 0 is 0
 run/0: jump-if fell through
 run/0: instruction grow-buffer/11
+run/0: {name: "src", value: 8, type: 4, properties: ["src": "character"]} <- index {name: "olddata", value: 5, type: 2-5-4, properties: ["olddata": "address":"array":"character", "deref": ]}, {name: "i", value: 6, type: 1, properties: ["i": "integer"]}
 run/0: ingredient 0 is {name: "olddata", value: 5, type: 2-5-4, properties: ["olddata": "address":"array":"character", "deref": ]}
 mem/0: location 1311 is 1062
 run/0: ingredient 1 is {name: "i", value: 6, type: 1, properties: ["i": "integer"]}
@@ -566,6 +662,7 @@ mem/0: location 1063 is 97
 run/0: product 0 is 97
 mem/0: storing 97 in location 1314
 run/0: instruction grow-buffer/12
+run/0: {name: "dest", value: 9, type: 2-4, properties: ["dest": "address":"character"]} <- index-address {name: "x", value: 2, type: 2-2-5-4, properties: ["x": "address":"address":"array":"character", "deref": , "deref": ]}, {name: "i", value: 6, type: 1, properties: ["i": "integer"]}
 run/0: ingredient 0 is x
 mem/0: location 1308 is 1061
 mem/0: location 1061 is 1335
@@ -575,20 +672,24 @@ run/0: address to copy is 1336
 run/0: product 0 is 1336
 mem/0: storing 1336 in location 1315
 run/0: instruction grow-buffer/13
+run/0: {name: "dest", value: 9, type: 2-4, properties: ["dest": "address":"character", "deref": ]} <- copy {name: "src", value: 8, type: 4, properties: ["src": "character"]}
 run/0: ingredient 0 is src
 mem/0: location 1314 is 97
 mem/0: location 1315 is 1336
 mem/0: storing 97 in location 1336
 run/0: instruction grow-buffer/14
+run/0: {name: "i", value: 6, type: 1, properties: ["i": "integer"]} <- add {name: "i", value: 6, type: 1, properties: ["i": "integer"]}, {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: ingredient 0 is i
 mem/0: location 1312 is 0
 run/0: ingredient 1 is 1
 run/0: product 0 is 1
 mem/0: storing 1 in location 1312
 run/0: instruction grow-buffer/15
+run/0: loop {name: "", value: -7, type: , properties: ["": ]}
 run/0: ingredient 0 is -7
 run/0: jumping to instruction 9
 run/0: instruction grow-buffer/9
+run/0: {name: "done?", value: 7, type: 3, properties: ["done?": "boolean"]} <- greater-or-equal {name: "i", value: 6, type: 1, properties: ["i": "integer"]}, {name: "oldlen", value: 3, type: 1, properties: ["oldlen": "integer"]}
 run/0: ingredient 0 is i
 mem/0: location 1312 is 1
 run/0: ingredient 1 is oldlen
@@ -596,10 +697,12 @@ mem/0: location 1309 is 3
 run/0: product 0 is 0
 mem/0: storing 0 in location 1313
 run/0: instruction grow-buffer/10
+run/0: break-if {name: "done?", value: 7, type: 3, properties: ["done?": "boolean"]}, {name: "", value: 5, type: , properties: ["": ]}
 mem/0: location 1313 is 0
 run/0: ingredient 0 is 0
 run/0: jump-if fell through
 run/0: instruction grow-buffer/11
+run/0: {name: "src", value: 8, type: 4, properties: ["src": "character"]} <- index {name: "olddata", value: 5, type: 2-5-4, properties: ["olddata": "address":"array":"character", "deref": ]}, {name: "i", value: 6, type: 1, properties: ["i": "integer"]}
 run/0: ingredient 0 is {name: "olddata", value: 5, type: 2-5-4, properties: ["olddata": "address":"array":"character", "deref": ]}
 mem/0: location 1311 is 1062
 run/0: ingredient 1 is {name: "i", value: 6, type: 1, properties: ["i": "integer"]}
@@ -610,6 +713,7 @@ mem/0: location 1064 is 98
 run/0: product 0 is 98
 mem/0: storing 98 in location 1314
 run/0: instruction grow-buffer/12
+run/0: {name: "dest", value: 9, type: 2-4, properties: ["dest": "address":"character"]} <- index-address {name: "x", value: 2, type: 2-2-5-4, properties: ["x": "address":"address":"array":"character", "deref": , "deref": ]}, {name: "i", value: 6, type: 1, properties: ["i": "integer"]}
 run/0: ingredient 0 is x
 mem/0: location 1308 is 1061
 mem/0: location 1061 is 1335
@@ -619,20 +723,24 @@ run/0: address to copy is 1337
 run/0: product 0 is 1337
 mem/0: storing 1337 in location 1315
 run/0: instruction grow-buffer/13
+run/0: {name: "dest", value: 9, type: 2-4, properties: ["dest": "address":"character", "deref": ]} <- copy {name: "src", value: 8, type: 4, properties: ["src": "character"]}
 run/0: ingredient 0 is src
 mem/0: location 1314 is 98
 mem/0: location 1315 is 1337
 mem/0: storing 98 in location 1337
 run/0: instruction grow-buffer/14
+run/0: {name: "i", value: 6, type: 1, properties: ["i": "integer"]} <- add {name: "i", value: 6, type: 1, properties: ["i": "integer"]}, {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: ingredient 0 is i
 mem/0: location 1312 is 1
 run/0: ingredient 1 is 1
 run/0: product 0 is 2
 mem/0: storing 2 in location 1312
 run/0: instruction grow-buffer/15
+run/0: loop {name: "", value: -7, type: , properties: ["": ]}
 run/0: ingredient 0 is -7
 run/0: jumping to instruction 9
 run/0: instruction grow-buffer/9
+run/0: {name: "done?", value: 7, type: 3, properties: ["done?": "boolean"]} <- greater-or-equal {name: "i", value: 6, type: 1, properties: ["i": "integer"]}, {name: "oldlen", value: 3, type: 1, properties: ["oldlen": "integer"]}
 run/0: ingredient 0 is i
 mem/0: location 1312 is 2
 run/0: ingredient 1 is oldlen
@@ -640,10 +748,12 @@ mem/0: location 1309 is 3
 run/0: product 0 is 0
 mem/0: storing 0 in location 1313
 run/0: instruction grow-buffer/10
+run/0: break-if {name: "done?", value: 7, type: 3, properties: ["done?": "boolean"]}, {name: "", value: 5, type: , properties: ["": ]}
 mem/0: location 1313 is 0
 run/0: ingredient 0 is 0
 run/0: jump-if fell through
 run/0: instruction grow-buffer/11
+run/0: {name: "src", value: 8, type: 4, properties: ["src": "character"]} <- index {name: "olddata", value: 5, type: 2-5-4, properties: ["olddata": "address":"array":"character", "deref": ]}, {name: "i", value: 6, type: 1, properties: ["i": "integer"]}
 run/0: ingredient 0 is {name: "olddata", value: 5, type: 2-5-4, properties: ["olddata": "address":"array":"character", "deref": ]}
 mem/0: location 1311 is 1062
 run/0: ingredient 1 is {name: "i", value: 6, type: 1, properties: ["i": "integer"]}
@@ -654,6 +764,7 @@ mem/0: location 1065 is 99
 run/0: product 0 is 99
 mem/0: storing 99 in location 1314
 run/0: instruction grow-buffer/12
+run/0: {name: "dest", value: 9, type: 2-4, properties: ["dest": "address":"character"]} <- index-address {name: "x", value: 2, type: 2-2-5-4, properties: ["x": "address":"address":"array":"character", "deref": , "deref": ]}, {name: "i", value: 6, type: 1, properties: ["i": "integer"]}
 run/0: ingredient 0 is x
 mem/0: location 1308 is 1061
 mem/0: location 1061 is 1335
@@ -663,20 +774,24 @@ run/0: address to copy is 1338
 run/0: product 0 is 1338
 mem/0: storing 1338 in location 1315
 run/0: instruction grow-buffer/13
+run/0: {name: "dest", value: 9, type: 2-4, properties: ["dest": "address":"character", "deref": ]} <- copy {name: "src", value: 8, type: 4, properties: ["src": "character"]}
 run/0: ingredient 0 is src
 mem/0: location 1314 is 99
 mem/0: location 1315 is 1338
 mem/0: storing 99 in location 1338
 run/0: instruction grow-buffer/14
+run/0: {name: "i", value: 6, type: 1, properties: ["i": "integer"]} <- add {name: "i", value: 6, type: 1, properties: ["i": "integer"]}, {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: ingredient 0 is i
 mem/0: location 1312 is 2
 run/0: ingredient 1 is 1
 run/0: product 0 is 3
 mem/0: storing 3 in location 1312
 run/0: instruction grow-buffer/15
+run/0: loop {name: "", value: -7, type: , properties: ["": ]}
 run/0: ingredient 0 is -7
 run/0: jumping to instruction 9
 run/0: instruction grow-buffer/9
+run/0: {name: "done?", value: 7, type: 3, properties: ["done?": "boolean"]} <- greater-or-equal {name: "i", value: 6, type: 1, properties: ["i": "integer"]}, {name: "oldlen", value: 3, type: 1, properties: ["oldlen": "integer"]}
 run/0: ingredient 0 is i
 mem/0: location 1312 is 3
 run/0: ingredient 1 is oldlen
@@ -684,15 +799,18 @@ mem/0: location 1309 is 3
 run/0: product 0 is 1
 mem/0: storing 1 in location 1313
 run/0: instruction grow-buffer/10
+run/0: break-if {name: "done?", value: 7, type: 3, properties: ["done?": "boolean"]}, {name: "", value: 5, type: , properties: ["": ]}
 mem/0: location 1313 is 1
 run/0: ingredient 0 is 1
 run/0: ingredient 1 is 
 run/0: jumping to instruction 16
 run/0: instruction grow-buffer/17
+run/0: reply {name: "in", value: 1, type: 2-9, properties: ["in": "address":"buffer"]}
 mem/0: location 1307 is 1060
 run/0: result 0 is 1060
 mem/0: storing 1060 in location 1247
 run/0: instruction buffer-append/8
+run/0: {name: "len", value: 4, type: 2-1, properties: ["len": "address":"integer"]} <- get-address {name: "in", value: 1, type: 2-9, properties: ["in": "address":"buffer", "deref": ]}, {name: "length", value: 0, type: 0, properties: ["length": "offset"]}
 run/0: ingredient 0 is in
 mem/0: location 1247 is 1060
 run/0: ingredient 1 is length
@@ -700,6 +818,7 @@ run/0: address to copy is 1060
 run/0: product 0 is 1060
 mem/0: storing 1060 in location 1250
 run/0: instruction buffer-append/9
+run/0: {name: "s", value: 5, type: 2-5-4, properties: ["s": "address":"array":"character"]} <- get {name: "in", value: 1, type: 2-9, properties: ["in": "address":"buffer", "deref": ]}, {name: "data", value: 1, type: 0, properties: ["data": "offset"]}
 run/0: ingredient 0 is in
 mem/0: location 1247 is 1060
 run/0: ingredient 1 is data
@@ -709,6 +828,7 @@ mem/0: location 1061 is 1335
 run/0: product 0 is 1335
 mem/0: storing 1335 in location 1251
 run/0: instruction buffer-append/10
+run/0: {name: "dest", value: 6, type: 2-4, properties: ["dest": "address":"character"]} <- index-address {name: "s", value: 5, type: 2-5-4, properties: ["s": "address":"array":"character", "deref": ]}, {name: "len", value: 4, type: 2-1, properties: ["len": "address":"integer", "deref": ]}
 run/0: ingredient 0 is s
 mem/0: location 1251 is 1335
 run/0: ingredient 1 is {name: "len", value: 4, type: 2-1, properties: ["len": "address":"integer", "deref": ]}
@@ -718,11 +838,13 @@ run/0: address to copy is 1339
 run/0: product 0 is 1339
 mem/0: storing 1339 in location 1252
 run/0: instruction buffer-append/11
+run/0: {name: "dest", value: 6, type: 2-4, properties: ["dest": "address":"character", "deref": ]} <- copy {name: "c", value: 2, type: 4, properties: ["c": "character"]}
 run/0: ingredient 0 is c
 mem/0: location 1248 is 100
 mem/0: location 1252 is 1339
 mem/0: storing 100 in location 1339
 run/0: instruction buffer-append/12
+run/0: {name: "len", value: 4, type: 2-1, properties: ["len": "address":"integer", "deref": ]} <- add {name: "len", value: 4, type: 2-1, properties: ["len": "address":"integer", "deref": ]}, {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: ingredient 0 is len
 mem/0: location 1250 is 1060
 mem/0: location 1060 is 3
@@ -731,10 +853,12 @@ run/0: product 0 is 4
 mem/0: location 1250 is 1060
 mem/0: storing 4 in location 1060
 run/0: instruction buffer-append/13
+run/0: reply {name: "in", value: 1, type: 2-9, properties: ["in": "address":"buffer", "same-as-ingredient": "0"]}
 mem/0: location 1247 is 1060
 run/0: result 0 is 1060
 mem/0: storing 1060 in location 1002
 run/0: instruction test-buffer-append-works/11
+run/0: {name: "s3", value: 4, type: 2-5-4, properties: ["s3": "address":"array":"character"]} <- get {name: "x", value: 1, type: 2-9, properties: ["x": "address":"buffer", "deref": ]}, {name: "data", value: 1, type: 0, properties: ["data": "offset"]}
 run/0: ingredient 0 is x
 mem/0: location 1002 is 1060
 run/0: ingredient 1 is data
@@ -744,6 +868,7 @@ mem/0: location 1061 is 1335
 run/0: product 0 is 1335
 mem/0: storing 1335 in location 1005
 run/0: instruction test-buffer-append-works/12
+run/0: {name: "10", value: 10, type: 3, properties: ["10": "boolean", "raw": ]} <- equal {name: "s1", value: 2, type: 2-5-4, properties: ["s1": "address":"array":"character"]}, {name: "s3", value: 4, type: 2-5-4, properties: ["s3": "address":"array":"character"]}
 run/0: ingredient 0 is s1
 mem/0: location 1003 is 1062
 run/0: ingredient 1 is s3
@@ -751,6 +876,7 @@ mem/0: location 1005 is 1335
 run/0: product 0 is 0
 mem/0: storing 0 in location 10
 run/0: instruction test-buffer-append-works/13
+run/0: {name: "11", value: 11, type: 1, properties: ["11": "integer", "raw": ]} <- get {name: "x", value: 1, type: 2-9, properties: ["x": "address":"buffer", "deref": ]}, {name: "length", value: 0, type: 0, properties: ["length": "offset"]}
 run/0: ingredient 0 is x
 mem/0: location 1002 is 1060
 run/0: ingredient 1 is length
@@ -760,6 +886,7 @@ mem/0: location 1060 is 4
 run/0: product 0 is 4
 mem/0: storing 4 in location 11
 run/0: instruction test-buffer-append-works/14
+run/0: {name: "12", value: 12, type: 5-4, properties: ["12": "array":"character", "raw": ]} <- copy {name: "s3", value: 4, type: 2-5-4, properties: ["s3": "address":"array":"character", "deref": ]}
 run/0: ingredient 0 is s3
 mem/0: location 1005 is 1335
 mem/0: location 1335 is 6
diff --git a/cpp/.traces/calling_recipe b/cpp/.traces/calling_recipe
index c2d96247..9b265ca1 100644
--- a/cpp/.traces/calling_recipe
+++ b/cpp/.traces/calling_recipe
@@ -10,7 +10,9 @@ after-brace/0: add ...
 new/0: routine allocated memory from 1000 to 101000
 schedule/0: main
 run/0: instruction main/0
+run/0: f 
 run/0: instruction f/0
+run/0: {name: "3", value: 3, type: 1, properties: ["3": "integer"]} <- add {name: "2", value: 2, type: 0, properties: ["2": "literal"]}, {name: "2", value: 2, type: 0, properties: ["2": "literal"]}
 run/0: ingredient 0 is 2
 run/0: ingredient 1 is 2
 run/0: product 0 is 4
diff --git a/cpp/.traces/channel b/cpp/.traces/channel
index 39e30c03..00679385 100644
--- a/cpp/.traces/channel
+++ b/cpp/.traces/channel
@@ -16,13 +16,17 @@ after-brace/0: read ...
 new/0: routine allocated memory from 1000 to 101000
 schedule/0: test-channel
 run/0: instruction test-channel/0
+run/0: {name: "1", value: 1, type: 2-10, properties: ["1": "address":"channel"]} <- init-channel {name: "3", value: 3, type: 0, properties: ["3": "literal", "capacity": ]}
 run/0: instruction init-channel/0
+run/0: {name: "default-space", value: 0, type: 2-5-1, properties: ["default-space": "address":"array":"location"]} <- new {name: "location", value: 1, type: 0, properties: ["location": "type"]}, {name: "30", value: 30, type: 0, properties: ["30": "literal"]}
 mem/0: array size is 30
 mem/0: new alloc: 1000
 run/0: instruction init-channel/1
+run/0: {name: "result", value: 1, type: 2-10, properties: ["result": "address":"channel"]} <- new {name: "channel", value: 10, type: 0, properties: ["channel": "type"]}
 mem/0: new alloc: 1030
 mem/0: storing 1030 in location 1002
 run/0: instruction init-channel/2
+run/0: {name: "full", value: 2, type: 2-1, properties: ["full": "address":"integer"]} <- get-address {name: "result", value: 1, type: 2-10, properties: ["result": "address":"channel", "deref": ]}, {name: "first-full", value: 0, type: 0, properties: ["first-full": "offset"]}
 run/0: ingredient 0 is result
 mem/0: location 1002 is 1030
 run/0: ingredient 1 is first-full
@@ -30,10 +34,12 @@ run/0: address to copy is 1030
 run/0: product 0 is 1030
 mem/0: storing 1030 in location 1003
 run/0: instruction init-channel/3
+run/0: {name: "full", value: 2, type: 2-1, properties: ["full": "address":"integer", "deref": ]} <- copy {name: "0", value: 0, type: 0, properties: ["0": "literal"]}
 run/0: ingredient 0 is 0
 mem/0: location 1003 is 1030
 mem/0: storing 0 in location 1030
 run/0: instruction init-channel/4
+run/0: {name: "free", value: 3, type: 2-1, properties: ["free": "address":"integer"]} <- get-address {name: "result", value: 1, type: 2-10, properties: ["result": "address":"channel", "deref": ]}, {name: "first-free", value: 1, type: 0, properties: ["first-free": "offset"]}
 run/0: ingredient 0 is result
 mem/0: location 1002 is 1030
 run/0: ingredient 1 is first-free
@@ -41,19 +47,23 @@ run/0: address to copy is 1031
 run/0: product 0 is 1031
 mem/0: storing 1031 in location 1004
 run/0: instruction init-channel/5
+run/0: {name: "free", value: 3, type: 2-1, properties: ["free": "address":"integer", "deref": ]} <- copy {name: "0", value: 0, type: 0, properties: ["0": "literal"]}
 run/0: ingredient 0 is 0
 mem/0: location 1004 is 1031
 mem/0: storing 0 in location 1031
 run/0: instruction init-channel/6
+run/0: {name: "capacity", value: 4, type: 1, properties: ["capacity": "integer"]} <- next-ingredient 
 run/0: product 0 is 3
 mem/0: storing 3 in location 1005
 run/0: instruction init-channel/7
+run/0: {name: "capacity", value: 4, type: 1, properties: ["capacity": "integer"]} <- add {name: "capacity", value: 4, type: 1, properties: ["capacity": "integer"]}, {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: ingredient 0 is capacity
 mem/0: location 1005 is 3
 run/0: ingredient 1 is 1
 run/0: product 0 is 4
 mem/0: storing 4 in location 1005
 run/0: instruction init-channel/8
+run/0: {name: "dest", value: 5, type: 2-2-5-1, properties: ["dest": "address":"address":"array":"location"]} <- get-address {name: "result", value: 1, type: 2-10, properties: ["result": "address":"channel", "deref": ]}, {name: "data", value: 2, type: 0, properties: ["data": "offset"]}
 run/0: ingredient 0 is result
 mem/0: location 1002 is 1030
 run/0: ingredient 1 is data
@@ -61,35 +71,45 @@ run/0: address to copy is 1032
 run/0: product 0 is 1032
 mem/0: storing 1032 in location 1006
 run/0: instruction init-channel/9
+run/0: {name: "dest", value: 5, type: 2-2-5-1, properties: ["dest": "address":"address":"array":"location", "deref": ]} <- new {name: "location", value: 1, type: 0, properties: ["location": "type"]}, {name: "capacity", value: 4, type: 1, properties: ["capacity": "integer"]}
 mem/0: location 1005 is 4
 mem/0: array size is 4
 mem/0: new alloc: 1033
 mem/0: location 1006 is 1032
 mem/0: storing 1033 in location 1032
 run/0: instruction init-channel/10
+run/0: reply {name: "result", value: 1, type: 2-10, properties: ["result": "address":"channel"]}
 mem/0: location 1002 is 1030
 run/0: result 0 is 1030
 mem/0: storing 1030 in location 1
 run/0: instruction test-channel/1
+run/0: {name: "1", value: 1, type: 2-10, properties: ["1": "address":"channel"]} <- write {name: "1", value: 1, type: 2-10, properties: ["1": "address":"channel"]}, {name: "34", value: 34, type: 0, properties: ["34": "literal"]}
 mem/0: location 1 is 1030
 run/0: instruction write/0
+run/0: {name: "default-space", value: 0, type: 2-5-1, properties: ["default-space": "address":"array":"location"]} <- new {name: "location", value: 1, type: 0, properties: ["location": "type"]}, {name: "30", value: 30, type: 0, properties: ["30": "literal"]}
 mem/0: array size is 30
 mem/0: new alloc: 1037
 run/0: instruction write/1
+run/0: {name: "chan", value: 1, type: 2-10, properties: ["chan": "address":"channel"]} <- next-ingredient 
 run/0: product 0 is 1030
 mem/0: storing 1030 in location 1039
 run/0: instruction write/2
+run/0: {name: "val", value: 2, type: 1, properties: ["val": "location"]} <- next-ingredient 
 run/0: product 0 is 34
 mem/0: storing 34 in location 1040
 run/0: instruction write/4
+run/0: {name: "full", value: 3, type: 3, properties: ["full": "boolean"]} <- channel-full? {name: "chan", value: 1, type: 2-10, properties: ["chan": "address":"channel"]}
 mem/0: location 1039 is 1030
 run/0: instruction channel-full?/0
+run/0: {name: "default-space", value: 0, type: 2-5-1, properties: ["default-space": "address":"array":"location"]} <- new {name: "location", value: 1, type: 0, properties: ["location": "type"]}, {name: "30", value: 30, type: 0, properties: ["30": "literal"]}
 mem/0: array size is 30
 mem/0: new alloc: 1067
 run/0: instruction channel-full?/1
+run/0: {name: "chan", value: 1, type: 2-10, properties: ["chan": "address":"channel"]} <- next-ingredient 
 run/0: product 0 is 1030
 mem/0: storing 1030 in location 1069
 run/0: instruction channel-full?/2
+run/0: {name: "tmp", value: 2, type: 1, properties: ["tmp": "integer"]} <- get {name: "chan", value: 1, type: 2-10, properties: ["chan": "address":"channel", "deref": ]}, {name: "first-free", value: 1, type: 0, properties: ["first-free": "offset"]}
 run/0: ingredient 0 is chan
 mem/0: location 1069 is 1030
 run/0: ingredient 1 is first-free
@@ -99,20 +119,25 @@ mem/0: location 1031 is 0
 run/0: product 0 is 0
 mem/0: storing 0 in location 1070
 run/0: instruction channel-full?/3
+run/0: {name: "tmp", value: 2, type: 1, properties: ["tmp": "integer"]} <- add {name: "tmp", value: 2, type: 1, properties: ["tmp": "integer"]}, {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: ingredient 0 is tmp
 mem/0: location 1070 is 0
 run/0: ingredient 1 is 1
 run/0: product 0 is 1
 mem/0: storing 1 in location 1070
 run/0: instruction channel-full?/5
+run/0: {name: "len", value: 3, type: 1, properties: ["len": "integer"]} <- channel-capacity {name: "chan", value: 1, type: 2-10, properties: ["chan": "address":"channel"]}
 mem/0: location 1069 is 1030
 run/0: instruction channel-capacity/0
+run/0: {name: "default-space", value: 0, type: 2-5-1, properties: ["default-space": "address":"array":"location"]} <- new {name: "location", value: 1, type: 0, properties: ["location": "type"]}, {name: "30", value: 30, type: 0, properties: ["30": "literal"]}
 mem/0: array size is 30
 mem/0: new alloc: 1097
 run/0: instruction channel-capacity/1
+run/0: {name: "chan", value: 1, type: 2-10, properties: ["chan": "address":"channel"]} <- next-ingredient 
 run/0: product 0 is 1030
 mem/0: storing 1030 in location 1099
 run/0: instruction channel-capacity/2
+run/0: {name: "q", value: 2, type: 2-5-1, properties: ["q": "address":"array":"location"]} <- get {name: "chan", value: 1, type: 2-10, properties: ["chan": "address":"channel", "deref": ]}, {name: "data", value: 2, type: 0, properties: ["data": "offset"]}
 run/0: ingredient 0 is chan
 mem/0: location 1099 is 1030
 run/0: ingredient 1 is data
@@ -122,13 +147,16 @@ mem/0: location 1032 is 1033
 run/0: product 0 is 1033
 mem/0: storing 1033 in location 1100
 run/0: instruction channel-capacity/3
+run/0: {name: "result", value: 3, type: 1, properties: ["result": "integer"]} <- length {name: "q", value: 2, type: 2-5-1, properties: ["q": "address":"array":"location", "deref": ]}
 mem/0: location 1100 is 1033
 mem/0: storing 4 in location 1101
 run/0: instruction channel-capacity/4
+run/0: reply {name: "result", value: 3, type: 1, properties: ["result": "integer"]}
 mem/0: location 1101 is 4
 run/0: result 0 is 4
 mem/0: storing 4 in location 1071
 run/0: instruction channel-full?/6
+run/0: {name: "at-end?", value: 4, type: 3, properties: ["at-end?": "boolean"]} <- greater-or-equal {name: "tmp", value: 2, type: 1, properties: ["tmp": "integer"]}, {name: "len", value: 3, type: 1, properties: ["len": "integer"]}
 run/0: ingredient 0 is tmp
 mem/0: location 1070 is 1
 run/0: ingredient 1 is len
@@ -136,11 +164,13 @@ mem/0: location 1071 is 4
 run/0: product 0 is 0
 mem/0: storing 0 in location 1072
 run/0: instruction channel-full?/7
+run/0: break-unless {name: "at-end?", value: 4, type: 3, properties: ["at-end?": "boolean"]}, {name: "", value: 1, type: , properties: ["": ]}
 mem/0: location 1072 is 0
 run/0: ingredient 0 is 0
 run/0: ingredient 1 is 
 run/0: jumping to instruction 9
 run/0: instruction channel-full?/10
+run/0: {name: "full", value: 5, type: 1, properties: ["full": "integer"]} <- get {name: "chan", value: 1, type: 2-10, properties: ["chan": "address":"channel", "deref": ]}, {name: "first-full", value: 0, type: 0, properties: ["first-full": "offset"]}
 run/0: ingredient 0 is chan
 mem/0: location 1069 is 1030
 run/0: ingredient 1 is first-full
@@ -150,6 +180,7 @@ mem/0: location 1030 is 0
 run/0: product 0 is 0
 mem/0: storing 0 in location 1073
 run/0: instruction channel-full?/11
+run/0: {name: "result", value: 6, type: 3, properties: ["result": "boolean"]} <- equal {name: "full", value: 5, type: 1, properties: ["full": "integer"]}, {name: "tmp", value: 2, type: 1, properties: ["tmp": "integer"]}
 run/0: ingredient 0 is full
 mem/0: location 1073 is 0
 run/0: ingredient 1 is tmp
@@ -157,15 +188,18 @@ mem/0: location 1070 is 1
 run/0: product 0 is 0
 mem/0: storing 0 in location 1074
 run/0: instruction channel-full?/12
+run/0: reply {name: "result", value: 6, type: 3, properties: ["result": "boolean"]}
 mem/0: location 1074 is 0
 run/0: result 0 is 0
 mem/0: storing 0 in location 1041
 run/0: instruction write/5
+run/0: break-unless {name: "full", value: 3, type: 3, properties: ["full": "boolean"]}, {name: "", value: 2, type: , properties: ["": ]}
 mem/0: location 1041 is 0
 run/0: ingredient 0 is 0
 run/0: ingredient 1 is 
 run/0: jumping to instruction 8
 run/0: instruction write/9
+run/0: {name: "circular-buffer", value: 5, type: 2-5-1, properties: ["circular-buffer": "address":"array":"location"]} <- get {name: "chan", value: 1, type: 2-10, properties: ["chan": "address":"channel", "deref": ]}, {name: "data", value: 2, type: 0, properties: ["data": "offset"]}
 run/0: ingredient 0 is chan
 mem/0: location 1039 is 1030
 run/0: ingredient 1 is data
@@ -175,6 +209,7 @@ mem/0: location 1032 is 1033
 run/0: product 0 is 1033
 mem/0: storing 1033 in location 1043
 run/0: instruction write/10
+run/0: {name: "free", value: 6, type: 2-1, properties: ["free": "address":"integer"]} <- get-address {name: "chan", value: 1, type: 2-10, properties: ["chan": "address":"channel", "deref": ]}, {name: "first-free", value: 1, type: 0, properties: ["first-free": "offset"]}
 run/0: ingredient 0 is chan
 mem/0: location 1039 is 1030
 run/0: ingredient 1 is first-free
@@ -182,6 +217,7 @@ run/0: address to copy is 1031
 run/0: product 0 is 1031
 mem/0: storing 1031 in location 1044
 run/0: instruction write/11
+run/0: {name: "dest", value: 7, type: 2-1, properties: ["dest": "address":"location"]} <- index-address {name: "circular-buffer", value: 5, type: 2-5-1, properties: ["circular-buffer": "address":"array":"location", "deref": ]}, {name: "free", value: 6, type: 2-1, properties: ["free": "address":"integer", "deref": ]}
 run/0: ingredient 0 is circular-buffer
 mem/0: location 1043 is 1033
 run/0: ingredient 1 is {name: "free", value: 6, type: 2-1, properties: ["free": "address":"integer", "deref": ]}
@@ -191,11 +227,13 @@ run/0: address to copy is 1034
 run/0: product 0 is 1034
 mem/0: storing 1034 in location 1045
 run/0: instruction write/12
+run/0: {name: "dest", value: 7, type: 2-1, properties: ["dest": "address":"location", "deref": ]} <- copy {name: "val", value: 2, type: 1, properties: ["val": "location"]}
 run/0: ingredient 0 is val
 mem/0: location 1040 is 34
 mem/0: location 1045 is 1034
 mem/0: storing 34 in location 1034
 run/0: instruction write/13
+run/0: {name: "free", value: 6, type: 2-1, properties: ["free": "address":"integer", "deref": ]} <- add {name: "free", value: 6, type: 2-1, properties: ["free": "address":"integer", "deref": ]}, {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: ingredient 0 is free
 mem/0: location 1044 is 1031
 mem/0: location 1031 is 0
@@ -204,9 +242,11 @@ run/0: product 0 is 1
 mem/0: location 1044 is 1031
 mem/0: storing 1 in location 1031
 run/0: instruction write/15
+run/0: {name: "len", value: 8, type: 1, properties: ["len": "integer"]} <- length {name: "circular-buffer", value: 5, type: 2-5-1, properties: ["circular-buffer": "address":"array":"location", "deref": ]}
 mem/0: location 1043 is 1033
 mem/0: storing 4 in location 1046
 run/0: instruction write/16
+run/0: {name: "at-end?", value: 9, type: 3, properties: ["at-end?": "boolean"]} <- greater-or-equal {name: "free", value: 6, type: 2-1, properties: ["free": "address":"integer", "deref": ]}, {name: "len", value: 8, type: 1, properties: ["len": "integer"]}
 run/0: ingredient 0 is free
 mem/0: location 1044 is 1031
 mem/0: location 1031 is 1
@@ -215,31 +255,40 @@ mem/0: location 1046 is 4
 run/0: product 0 is 0
 mem/0: storing 0 in location 1047
 run/0: instruction write/17
+run/0: break-unless {name: "at-end?", value: 9, type: 3, properties: ["at-end?": "boolean"]}, {name: "", value: 1, type: , properties: ["": ]}
 mem/0: location 1047 is 0
 run/0: ingredient 0 is 0
 run/0: ingredient 1 is 
 run/0: jumping to instruction 19
 run/0: instruction write/20
+run/0: reply {name: "chan", value: 1, type: 2-10, properties: ["chan": "address":"channel", "same-as-ingredient": "0"]}
 mem/0: location 1039 is 1030
 run/0: result 0 is 1030
 mem/0: storing 1030 in location 1
 run/0: instruction test-channel/2
+run/0: {name: "2", value: 2, type: 1, properties: ["2": "integer"]}, {name: "1", value: 1, type: 2-10, properties: ["1": "address":"channel"]} <- read {name: "1", value: 1, type: 2-10, properties: ["1": "address":"channel"]}
 mem/0: location 1 is 1030
 run/0: instruction read/0
+run/0: {name: "default-space", value: 0, type: 2-5-1, properties: ["default-space": "address":"array":"location"]} <- new {name: "location", value: 1, type: 0, properties: ["location": "type"]}, {name: "30", value: 30, type: 0, properties: ["30": "literal"]}
 mem/0: array size is 30
 mem/0: new alloc: 1127
 run/0: instruction read/1
+run/0: {name: "chan", value: 1, type: 2-10, properties: ["chan": "address":"channel"]} <- next-ingredient 
 run/0: product 0 is 1030
 mem/0: storing 1030 in location 1129
 run/0: instruction read/3
+run/0: {name: "empty", value: 2, type: 3, properties: ["empty": "boolean"]} <- channel-empty? {name: "chan", value: 1, type: 2-10, properties: ["chan": "address":"channel"]}
 mem/0: location 1129 is 1030
 run/0: instruction channel-empty?/0
+run/0: {name: "default-space", value: 0, type: 2-5-1, properties: ["default-space": "address":"array":"location"]} <- new {name: "location", value: 1, type: 0, properties: ["location": "type"]}, {name: "30", value: 30, type: 0, properties: ["30": "literal"]}
 mem/0: array size is 30
 mem/0: new alloc: 1157
 run/0: instruction channel-empty?/1
+run/0: {name: "chan", value: 1, type: 2-10, properties: ["chan": "address":"channel"]} <- next-ingredient 
 run/0: product 0 is 1030
 mem/0: storing 1030 in location 1159
 run/0: instruction channel-empty?/2
+run/0: {name: "full", value: 2, type: 1, properties: ["full": "integer"]} <- get {name: "chan", value: 1, type: 2-10, properties: ["chan": "address":"channel", "deref": ]}, {name: "first-full", value: 0, type: 0, properties: ["first-full": "offset"]}
 run/0: ingredient 0 is chan
 mem/0: location 1159 is 1030
 run/0: ingredient 1 is first-full
@@ -249,6 +298,7 @@ mem/0: location 1030 is 0
 run/0: product 0 is 0
 mem/0: storing 0 in location 1160
 run/0: instruction channel-empty?/3
+run/0: {name: "free", value: 3, type: 1, properties: ["free": "integer"]} <- get {name: "chan", value: 1, type: 2-10, properties: ["chan": "address":"channel", "deref": ]}, {name: "first-free", value: 1, type: 0, properties: ["first-free": "offset"]}
 run/0: ingredient 0 is chan
 mem/0: location 1159 is 1030
 run/0: ingredient 1 is first-free
@@ -258,6 +308,7 @@ mem/0: location 1031 is 1
 run/0: product 0 is 1
 mem/0: storing 1 in location 1161
 run/0: instruction channel-empty?/4
+run/0: {name: "result", value: 4, type: 3, properties: ["result": "boolean"]} <- equal {name: "full", value: 2, type: 1, properties: ["full": "integer"]}, {name: "free", value: 3, type: 1, properties: ["free": "integer"]}
 run/0: ingredient 0 is full
 mem/0: location 1160 is 0
 run/0: ingredient 1 is free
@@ -265,15 +316,18 @@ mem/0: location 1161 is 1
 run/0: product 0 is 0
 mem/0: storing 0 in location 1162
 run/0: instruction channel-empty?/5
+run/0: reply {name: "result", value: 4, type: 3, properties: ["result": "boolean"]}
 mem/0: location 1162 is 0
 run/0: result 0 is 0
 mem/0: storing 0 in location 1130
 run/0: instruction read/4
+run/0: break-unless {name: "empty", value: 2, type: 3, properties: ["empty": "boolean"]}, {name: "", value: 2, type: , properties: ["": ]}
 mem/0: location 1130 is 0
 run/0: ingredient 0 is 0
 run/0: ingredient 1 is 
 run/0: jumping to instruction 7
 run/0: instruction read/8
+run/0: {name: "full", value: 4, type: 2-1, properties: ["full": "address":"integer"]} <- get-address {name: "chan", value: 1, type: 2-10, properties: ["chan": "address":"channel", "deref": ]}, {name: "first-full", value: 0, type: 0, properties: ["first-full": "offset"]}
 run/0: ingredient 0 is chan
 mem/0: location 1129 is 1030
 run/0: ingredient 1 is first-full
@@ -281,6 +335,7 @@ run/0: address to copy is 1030
 run/0: product 0 is 1030
 mem/0: storing 1030 in location 1132
 run/0: instruction read/9
+run/0: {name: "circular-buffer", value: 5, type: 2-5-1, properties: ["circular-buffer": "address":"array":"location"]} <- get {name: "chan", value: 1, type: 2-10, properties: ["chan": "address":"channel", "deref": ]}, {name: "data", value: 2, type: 0, properties: ["data": "offset"]}
 run/0: ingredient 0 is chan
 mem/0: location 1129 is 1030
 run/0: ingredient 1 is data
@@ -290,6 +345,7 @@ mem/0: location 1032 is 1033
 run/0: product 0 is 1033
 mem/0: storing 1033 in location 1133
 run/0: instruction read/10
+run/0: {name: "result", value: 6, type: 1, properties: ["result": "location"]} <- index {name: "circular-buffer", value: 5, type: 2-5-1, properties: ["circular-buffer": "address":"array":"location", "deref": ]}, {name: "full", value: 4, type: 2-1, properties: ["full": "address":"integer", "deref": ]}
 run/0: ingredient 0 is {name: "circular-buffer", value: 5, type: 2-5-1, properties: ["circular-buffer": "address":"array":"location", "deref": ]}
 mem/0: location 1133 is 1033
 run/0: ingredient 1 is {name: "full", value: 4, type: 2-1, properties: ["full": "address":"integer", "deref": ]}
@@ -301,6 +357,7 @@ mem/0: location 1034 is 34
 run/0: product 0 is 34
 mem/0: storing 34 in location 1134
 run/0: instruction read/11
+run/0: {name: "full", value: 4, type: 2-1, properties: ["full": "address":"integer", "deref": ]} <- add {name: "full", value: 4, type: 2-1, properties: ["full": "address":"integer", "deref": ]}, {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: ingredient 0 is full
 mem/0: location 1132 is 1030
 mem/0: location 1030 is 0
@@ -309,9 +366,11 @@ run/0: product 0 is 1
 mem/0: location 1132 is 1030
 mem/0: storing 1 in location 1030
 run/0: instruction read/13
+run/0: {name: "len", value: 7, type: 1, properties: ["len": "integer"]} <- length {name: "circular-buffer", value: 5, type: 2-5-1, properties: ["circular-buffer": "address":"array":"location", "deref": ]}
 mem/0: location 1133 is 1033
 mem/0: storing 4 in location 1135
 run/0: instruction read/14
+run/0: {name: "at-end?", value: 8, type: 3, properties: ["at-end?": "boolean"]} <- greater-or-equal {name: "full", value: 4, type: 2-1, properties: ["full": "address":"integer", "deref": ]}, {name: "len", value: 7, type: 1, properties: ["len": "integer"]}
 run/0: ingredient 0 is full
 mem/0: location 1132 is 1030
 mem/0: location 1030 is 1
@@ -320,11 +379,13 @@ mem/0: location 1135 is 4
 run/0: product 0 is 0
 mem/0: storing 0 in location 1136
 run/0: instruction read/15
+run/0: break-unless {name: "at-end?", value: 8, type: 3, properties: ["at-end?": "boolean"]}, {name: "", value: 1, type: , properties: ["": ]}
 mem/0: location 1136 is 0
 run/0: ingredient 0 is 0
 run/0: ingredient 1 is 
 run/0: jumping to instruction 17
 run/0: instruction read/18
+run/0: reply {name: "result", value: 6, type: 1, properties: ["result": "location"]}, {name: "chan", value: 1, type: 2-10, properties: ["chan": "address":"channel", "same-as-ingredient": "0"]}
 mem/0: location 1134 is 34
 mem/0: location 1129 is 1030
 run/0: result 0 is 34
diff --git a/cpp/.traces/channel-initialization b/cpp/.traces/channel-initialization
index 6ae08803..1fca38e2 100644
--- a/cpp/.traces/channel-initialization
+++ b/cpp/.traces/channel-initialization
@@ -18,13 +18,17 @@ after-brace/0: get ...
 new/0: routine allocated memory from 1000 to 101000
 schedule/0: test-channel-initialization
 run/0: instruction test-channel-initialization/0
+run/0: {name: "1", value: 1, type: 2-10, properties: ["1": "address":"channel"]} <- init-channel {name: "3", value: 3, type: 0, properties: ["3": "literal", "capacity": ]}
 run/0: instruction init-channel/0
+run/0: {name: "default-space", value: 0, type: 2-5-1, properties: ["default-space": "address":"array":"location"]} <- new {name: "location", value: 1, type: 0, properties: ["location": "type"]}, {name: "30", value: 30, type: 0, properties: ["30": "literal"]}
 mem/0: array size is 30
 mem/0: new alloc: 1000
 run/0: instruction init-channel/1
+run/0: {name: "result", value: 1, type: 2-10, properties: ["result": "address":"channel"]} <- new {name: "channel", value: 10, type: 0, properties: ["channel": "type"]}
 mem/0: new alloc: 1030
 mem/0: storing 1030 in location 1002
 run/0: instruction init-channel/2
+run/0: {name: "full", value: 2, type: 2-1, properties: ["full": "address":"integer"]} <- get-address {name: "result", value: 1, type: 2-10, properties: ["result": "address":"channel", "deref": ]}, {name: "first-full", value: 0, type: 0, properties: ["first-full": "offset"]}
 run/0: ingredient 0 is result
 mem/0: location 1002 is 1030
 run/0: ingredient 1 is first-full
@@ -32,10 +36,12 @@ run/0: address to copy is 1030
 run/0: product 0 is 1030
 mem/0: storing 1030 in location 1003
 run/0: instruction init-channel/3
+run/0: {name: "full", value: 2, type: 2-1, properties: ["full": "address":"integer", "deref": ]} <- copy {name: "0", value: 0, type: 0, properties: ["0": "literal"]}
 run/0: ingredient 0 is 0
 mem/0: location 1003 is 1030
 mem/0: storing 0 in location 1030
 run/0: instruction init-channel/4
+run/0: {name: "free", value: 3, type: 2-1, properties: ["free": "address":"integer"]} <- get-address {name: "result", value: 1, type: 2-10, properties: ["result": "address":"channel", "deref": ]}, {name: "first-free", value: 1, type: 0, properties: ["first-free": "offset"]}
 run/0: ingredient 0 is result
 mem/0: location 1002 is 1030
 run/0: ingredient 1 is first-free
@@ -43,19 +49,23 @@ run/0: address to copy is 1031
 run/0: product 0 is 1031
 mem/0: storing 1031 in location 1004
 run/0: instruction init-channel/5
+run/0: {name: "free", value: 3, type: 2-1, properties: ["free": "address":"integer", "deref": ]} <- copy {name: "0", value: 0, type: 0, properties: ["0": "literal"]}
 run/0: ingredient 0 is 0
 mem/0: location 1004 is 1031
 mem/0: storing 0 in location 1031
 run/0: instruction init-channel/6
+run/0: {name: "capacity", value: 4, type: 1, properties: ["capacity": "integer"]} <- next-ingredient 
 run/0: product 0 is 3
 mem/0: storing 3 in location 1005
 run/0: instruction init-channel/7
+run/0: {name: "capacity", value: 4, type: 1, properties: ["capacity": "integer"]} <- add {name: "capacity", value: 4, type: 1, properties: ["capacity": "integer"]}, {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: ingredient 0 is capacity
 mem/0: location 1005 is 3
 run/0: ingredient 1 is 1
 run/0: product 0 is 4
 mem/0: storing 4 in location 1005
 run/0: instruction init-channel/8
+run/0: {name: "dest", value: 5, type: 2-2-5-1, properties: ["dest": "address":"address":"array":"location"]} <- get-address {name: "result", value: 1, type: 2-10, properties: ["result": "address":"channel", "deref": ]}, {name: "data", value: 2, type: 0, properties: ["data": "offset"]}
 run/0: ingredient 0 is result
 mem/0: location 1002 is 1030
 run/0: ingredient 1 is data
@@ -63,16 +73,19 @@ run/0: address to copy is 1032
 run/0: product 0 is 1032
 mem/0: storing 1032 in location 1006
 run/0: instruction init-channel/9
+run/0: {name: "dest", value: 5, type: 2-2-5-1, properties: ["dest": "address":"address":"array":"location", "deref": ]} <- new {name: "location", value: 1, type: 0, properties: ["location": "type"]}, {name: "capacity", value: 4, type: 1, properties: ["capacity": "integer"]}
 mem/0: location 1005 is 4
 mem/0: array size is 4
 mem/0: new alloc: 1033
 mem/0: location 1006 is 1032
 mem/0: storing 1033 in location 1032
 run/0: instruction init-channel/10
+run/0: reply {name: "result", value: 1, type: 2-10, properties: ["result": "address":"channel"]}
 mem/0: location 1002 is 1030
 run/0: result 0 is 1030
 mem/0: storing 1030 in location 1
 run/0: instruction test-channel-initialization/1
+run/0: {name: "2", value: 2, type: 1, properties: ["2": "integer"]} <- get {name: "1", value: 1, type: 2-10, properties: ["1": "address":"channel", "deref": ]}, {name: "first-full", value: 0, type: 0, properties: ["first-full": "offset"]}
 run/0: ingredient 0 is 1
 mem/0: location 1 is 1030
 run/0: ingredient 1 is first-full
@@ -82,6 +95,7 @@ mem/0: location 1030 is 0
 run/0: product 0 is 0
 mem/0: storing 0 in location 2
 run/0: instruction test-channel-initialization/2
+run/0: {name: "3", value: 3, type: 1, properties: ["3": "integer"]} <- get {name: "1", value: 1, type: 2-10, properties: ["1": "address":"channel", "deref": ]}, {name: "first-free", value: 1, type: 0, properties: ["first-free": "offset"]}
 run/0: ingredient 0 is 1
 mem/0: location 1 is 1030
 run/0: ingredient 1 is first-free
diff --git a/cpp/.traces/channel-new-empty-not-full b/cpp/.traces/channel-new-empty-not-full
index d28c1a7a..46b69534 100644
--- a/cpp/.traces/channel-new-empty-not-full
+++ b/cpp/.traces/channel-new-empty-not-full
@@ -14,13 +14,17 @@ after-brace/0: channel-full? ...
 new/0: routine allocated memory from 1000 to 101000
 schedule/0: test-channel-new-empty-not-full
 run/0: instruction test-channel-new-empty-not-full/0
+run/0: {name: "1", value: 1, type: 2-10, properties: ["1": "address":"channel"]} <- init-channel {name: "3", value: 3, type: 0, properties: ["3": "literal", "capacity": ]}
 run/0: instruction init-channel/0
+run/0: {name: "default-space", value: 0, type: 2-5-1, properties: ["default-space": "address":"array":"location"]} <- new {name: "location", value: 1, type: 0, properties: ["location": "type"]}, {name: "30", value: 30, type: 0, properties: ["30": "literal"]}
 mem/0: array size is 30
 mem/0: new alloc: 1000
 run/0: instruction init-channel/1
+run/0: {name: "result", value: 1, type: 2-10, properties: ["result": "address":"channel"]} <- new {name: "channel", value: 10, type: 0, properties: ["channel": "type"]}
 mem/0: new alloc: 1030
 mem/0: storing 1030 in location 1002
 run/0: instruction init-channel/2
+run/0: {name: "full", value: 2, type: 2-1, properties: ["full": "address":"integer"]} <- get-address {name: "result", value: 1, type: 2-10, properties: ["result": "address":"channel", "deref": ]}, {name: "first-full", value: 0, type: 0, properties: ["first-full": "offset"]}
 run/0: ingredient 0 is result
 mem/0: location 1002 is 1030
 run/0: ingredient 1 is first-full
@@ -28,10 +32,12 @@ run/0: address to copy is 1030
 run/0: product 0 is 1030
 mem/0: storing 1030 in location 1003
 run/0: instruction init-channel/3
+run/0: {name: "full", value: 2, type: 2-1, properties: ["full": "address":"integer", "deref": ]} <- copy {name: "0", value: 0, type: 0, properties: ["0": "literal"]}
 run/0: ingredient 0 is 0
 mem/0: location 1003 is 1030
 mem/0: storing 0 in location 1030
 run/0: instruction init-channel/4
+run/0: {name: "free", value: 3, type: 2-1, properties: ["free": "address":"integer"]} <- get-address {name: "result", value: 1, type: 2-10, properties: ["result": "address":"channel", "deref": ]}, {name: "first-free", value: 1, type: 0, properties: ["first-free": "offset"]}
 run/0: ingredient 0 is result
 mem/0: location 1002 is 1030
 run/0: ingredient 1 is first-free
@@ -39,19 +45,23 @@ run/0: address to copy is 1031
 run/0: product 0 is 1031
 mem/0: storing 1031 in location 1004
 run/0: instruction init-channel/5
+run/0: {name: "free", value: 3, type: 2-1, properties: ["free": "address":"integer", "deref": ]} <- copy {name: "0", value: 0, type: 0, properties: ["0": "literal"]}
 run/0: ingredient 0 is 0
 mem/0: location 1004 is 1031
 mem/0: storing 0 in location 1031
 run/0: instruction init-channel/6
+run/0: {name: "capacity", value: 4, type: 1, properties: ["capacity": "integer"]} <- next-ingredient 
 run/0: product 0 is 3
 mem/0: storing 3 in location 1005
 run/0: instruction init-channel/7
+run/0: {name: "capacity", value: 4, type: 1, properties: ["capacity": "integer"]} <- add {name: "capacity", value: 4, type: 1, properties: ["capacity": "integer"]}, {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: ingredient 0 is capacity
 mem/0: location 1005 is 3
 run/0: ingredient 1 is 1
 run/0: product 0 is 4
 mem/0: storing 4 in location 1005
 run/0: instruction init-channel/8
+run/0: {name: "dest", value: 5, type: 2-2-5-1, properties: ["dest": "address":"address":"array":"location"]} <- get-address {name: "result", value: 1, type: 2-10, properties: ["result": "address":"channel", "deref": ]}, {name: "data", value: 2, type: 0, properties: ["data": "offset"]}
 run/0: ingredient 0 is result
 mem/0: location 1002 is 1030
 run/0: ingredient 1 is data
@@ -59,24 +69,30 @@ run/0: address to copy is 1032
 run/0: product 0 is 1032
 mem/0: storing 1032 in location 1006
 run/0: instruction init-channel/9
+run/0: {name: "dest", value: 5, type: 2-2-5-1, properties: ["dest": "address":"address":"array":"location", "deref": ]} <- new {name: "location", value: 1, type: 0, properties: ["location": "type"]}, {name: "capacity", value: 4, type: 1, properties: ["capacity": "integer"]}
 mem/0: location 1005 is 4
 mem/0: array size is 4
 mem/0: new alloc: 1033
 mem/0: location 1006 is 1032
 mem/0: storing 1033 in location 1032
 run/0: instruction init-channel/10
+run/0: reply {name: "result", value: 1, type: 2-10, properties: ["result": "address":"channel"]}
 mem/0: location 1002 is 1030
 run/0: result 0 is 1030
 mem/0: storing 1030 in location 1
 run/0: instruction test-channel-new-empty-not-full/1
+run/0: {name: "2", value: 2, type: 1, properties: ["2": "integer"]} <- channel-empty? {name: "1", value: 1, type: 2-10, properties: ["1": "address":"channel"]}
 mem/0: location 1 is 1030
 run/0: instruction channel-empty?/0
+run/0: {name: "default-space", value: 0, type: 2-5-1, properties: ["default-space": "address":"array":"location"]} <- new {name: "location", value: 1, type: 0, properties: ["location": "type"]}, {name: "30", value: 30, type: 0, properties: ["30": "literal"]}
 mem/0: array size is 30
 mem/0: new alloc: 1037
 run/0: instruction channel-empty?/1
+run/0: {name: "chan", value: 1, type: 2-10, properties: ["chan": "address":"channel"]} <- next-ingredient 
 run/0: product 0 is 1030
 mem/0: storing 1030 in location 1039
 run/0: instruction channel-empty?/2
+run/0: {name: "full", value: 2, type: 1, properties: ["full": "integer"]} <- get {name: "chan", value: 1, type: 2-10, properties: ["chan": "address":"channel", "deref": ]}, {name: "first-full", value: 0, type: 0, properties: ["first-full": "offset"]}
 run/0: ingredient 0 is chan
 mem/0: location 1039 is 1030
 run/0: ingredient 1 is first-full
@@ -86,6 +102,7 @@ mem/0: location 1030 is 0
 run/0: product 0 is 0
 mem/0: storing 0 in location 1040
 run/0: instruction channel-empty?/3
+run/0: {name: "free", value: 3, type: 1, properties: ["free": "integer"]} <- get {name: "chan", value: 1, type: 2-10, properties: ["chan": "address":"channel", "deref": ]}, {name: "first-free", value: 1, type: 0, properties: ["first-free": "offset"]}
 run/0: ingredient 0 is chan
 mem/0: location 1039 is 1030
 run/0: ingredient 1 is first-free
@@ -95,6 +112,7 @@ mem/0: location 1031 is 0
 run/0: product 0 is 0
 mem/0: storing 0 in location 1041
 run/0: instruction channel-empty?/4
+run/0: {name: "result", value: 4, type: 3, properties: ["result": "boolean"]} <- equal {name: "full", value: 2, type: 1, properties: ["full": "integer"]}, {name: "free", value: 3, type: 1, properties: ["free": "integer"]}
 run/0: ingredient 0 is full
 mem/0: location 1040 is 0
 run/0: ingredient 1 is free
@@ -102,18 +120,23 @@ mem/0: location 1041 is 0
 run/0: product 0 is 1
 mem/0: storing 1 in location 1042
 run/0: instruction channel-empty?/5
+run/0: reply {name: "result", value: 4, type: 3, properties: ["result": "boolean"]}
 mem/0: location 1042 is 1
 run/0: result 0 is 1
 mem/0: storing 1 in location 2
 run/0: instruction test-channel-new-empty-not-full/2
+run/0: {name: "3", value: 3, type: 1, properties: ["3": "integer"]} <- channel-full? {name: "1", value: 1, type: 2-10, properties: ["1": "address":"channel"]}
 mem/0: location 1 is 1030
 run/0: instruction channel-full?/0
+run/0: {name: "default-space", value: 0, type: 2-5-1, properties: ["default-space": "address":"array":"location"]} <- new {name: "location", value: 1, type: 0, properties: ["location": "type"]}, {name: "30", value: 30, type: 0, properties: ["30": "literal"]}
 mem/0: array size is 30
 mem/0: new alloc: 1067
 run/0: instruction channel-full?/1
+run/0: {name: "chan", value: 1, type: 2-10, properties: ["chan": "address":"channel"]} <- next-ingredient 
 run/0: product 0 is 1030
 mem/0: storing 1030 in location 1069
 run/0: instruction channel-full?/2
+run/0: {name: "tmp", value: 2, type: 1, properties: ["tmp": "integer"]} <- get {name: "chan", value: 1, type: 2-10, properties: ["chan": "address":"channel", "deref": ]}, {name: "first-free", value: 1, type: 0, properties: ["first-free": "offset"]}
 run/0: ingredient 0 is chan
 mem/0: location 1069 is 1030
 run/0: ingredient 1 is first-free
@@ -123,20 +146,25 @@ mem/0: location 1031 is 0
 run/0: product 0 is 0
 mem/0: storing 0 in location 1070
 run/0: instruction channel-full?/3
+run/0: {name: "tmp", value: 2, type: 1, properties: ["tmp": "integer"]} <- add {name: "tmp", value: 2, type: 1, properties: ["tmp": "integer"]}, {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: ingredient 0 is tmp
 mem/0: location 1070 is 0
 run/0: ingredient 1 is 1
 run/0: product 0 is 1
 mem/0: storing 1 in location 1070
 run/0: instruction channel-full?/5
+run/0: {name: "len", value: 3, type: 1, properties: ["len": "integer"]} <- channel-capacity {name: "chan", value: 1, type: 2-10, properties: ["chan": "address":"channel"]}
 mem/0: location 1069 is 1030
 run/0: instruction channel-capacity/0
+run/0: {name: "default-space", value: 0, type: 2-5-1, properties: ["default-space": "address":"array":"location"]} <- new {name: "location", value: 1, type: 0, properties: ["location": "type"]}, {name: "30", value: 30, type: 0, properties: ["30": "literal"]}
 mem/0: array size is 30
 mem/0: new alloc: 1097
 run/0: instruction channel-capacity/1
+run/0: {name: "chan", value: 1, type: 2-10, properties: ["chan": "address":"channel"]} <- next-ingredient 
 run/0: product 0 is 1030
 mem/0: storing 1030 in location 1099
 run/0: instruction channel-capacity/2
+run/0: {name: "q", value: 2, type: 2-5-1, properties: ["q": "address":"array":"location"]} <- get {name: "chan", value: 1, type: 2-10, properties: ["chan": "address":"channel", "deref": ]}, {name: "data", value: 2, type: 0, properties: ["data": "offset"]}
 run/0: ingredient 0 is chan
 mem/0: location 1099 is 1030
 run/0: ingredient 1 is data
@@ -146,13 +174,16 @@ mem/0: location 1032 is 1033
 run/0: product 0 is 1033
 mem/0: storing 1033 in location 1100
 run/0: instruction channel-capacity/3
+run/0: {name: "result", value: 3, type: 1, properties: ["result": "integer"]} <- length {name: "q", value: 2, type: 2-5-1, properties: ["q": "address":"array":"location", "deref": ]}
 mem/0: location 1100 is 1033
 mem/0: storing 4 in location 1101
 run/0: instruction channel-capacity/4
+run/0: reply {name: "result", value: 3, type: 1, properties: ["result": "integer"]}
 mem/0: location 1101 is 4
 run/0: result 0 is 4
 mem/0: storing 4 in location 1071
 run/0: instruction channel-full?/6
+run/0: {name: "at-end?", value: 4, type: 3, properties: ["at-end?": "boolean"]} <- greater-or-equal {name: "tmp", value: 2, type: 1, properties: ["tmp": "integer"]}, {name: "len", value: 3, type: 1, properties: ["len": "integer"]}
 run/0: ingredient 0 is tmp
 mem/0: location 1070 is 1
 run/0: ingredient 1 is len
@@ -160,11 +191,13 @@ mem/0: location 1071 is 4
 run/0: product 0 is 0
 mem/0: storing 0 in location 1072
 run/0: instruction channel-full?/7
+run/0: break-unless {name: "at-end?", value: 4, type: 3, properties: ["at-end?": "boolean"]}, {name: "", value: 1, type: , properties: ["": ]}
 mem/0: location 1072 is 0
 run/0: ingredient 0 is 0
 run/0: ingredient 1 is 
 run/0: jumping to instruction 9
 run/0: instruction channel-full?/10
+run/0: {name: "full", value: 5, type: 1, properties: ["full": "integer"]} <- get {name: "chan", value: 1, type: 2-10, properties: ["chan": "address":"channel", "deref": ]}, {name: "first-full", value: 0, type: 0, properties: ["first-full": "offset"]}
 run/0: ingredient 0 is chan
 mem/0: location 1069 is 1030
 run/0: ingredient 1 is first-full
@@ -174,6 +207,7 @@ mem/0: location 1030 is 0
 run/0: product 0 is 0
 mem/0: storing 0 in location 1073
 run/0: instruction channel-full?/11
+run/0: {name: "result", value: 6, type: 3, properties: ["result": "boolean"]} <- equal {name: "full", value: 5, type: 1, properties: ["full": "integer"]}, {name: "tmp", value: 2, type: 1, properties: ["tmp": "integer"]}
 run/0: ingredient 0 is full
 mem/0: location 1073 is 0
 run/0: ingredient 1 is tmp
@@ -181,6 +215,7 @@ mem/0: location 1070 is 1
 run/0: product 0 is 0
 mem/0: storing 0 in location 1074
 run/0: instruction channel-full?/12
+run/0: reply {name: "result", value: 6, type: 3, properties: ["result": "boolean"]}
 mem/0: location 1074 is 0
 run/0: result 0 is 0
 mem/0: storing 0 in location 3
diff --git a/cpp/.traces/channel-read-increments-full b/cpp/.traces/channel-read-increments-full
index 6346dc7f..a3e68559 100644
--- a/cpp/.traces/channel-read-increments-full
+++ b/cpp/.traces/channel-read-increments-full
@@ -28,13 +28,17 @@ after-brace/0: get ...
 new/0: routine allocated memory from 1000 to 101000
 schedule/0: test-channel-read-increments-full
 run/0: instruction test-channel-read-increments-full/0
+run/0: {name: "1", value: 1, type: 2-10, properties: ["1": "address":"channel"]} <- init-channel {name: "3", value: 3, type: 0, properties: ["3": "literal", "capacity": ]}
 run/0: instruction init-channel/0
+run/0: {name: "default-space", value: 0, type: 2-5-1, properties: ["default-space": "address":"array":"location"]} <- new {name: "location", value: 1, type: 0, properties: ["location": "type"]}, {name: "30", value: 30, type: 0, properties: ["30": "literal"]}
 mem/0: array size is 30
 mem/0: new alloc: 1000
 run/0: instruction init-channel/1
+run/0: {name: "result", value: 1, type: 2-10, properties: ["result": "address":"channel"]} <- new {name: "channel", value: 10, type: 0, properties: ["channel": "type"]}
 mem/0: new alloc: 1030
 mem/0: storing 1030 in location 1002
 run/0: instruction init-channel/2
+run/0: {name: "full", value: 2, type: 2-1, properties: ["full": "address":"integer"]} <- get-address {name: "result", value: 1, type: 2-10, properties: ["result": "address":"channel", "deref": ]}, {name: "first-full", value: 0, type: 0, properties: ["first-full": "offset"]}
 run/0: ingredient 0 is result
 mem/0: location 1002 is 1030
 run/0: ingredient 1 is first-full
@@ -42,10 +46,12 @@ run/0: address to copy is 1030
 run/0: product 0 is 1030
 mem/0: storing 1030 in location 1003
 run/0: instruction init-channel/3
+run/0: {name: "full", value: 2, type: 2-1, properties: ["full": "address":"integer", "deref": ]} <- copy {name: "0", value: 0, type: 0, properties: ["0": "literal"]}
 run/0: ingredient 0 is 0
 mem/0: location 1003 is 1030
 mem/0: storing 0 in location 1030
 run/0: instruction init-channel/4
+run/0: {name: "free", value: 3, type: 2-1, properties: ["free": "address":"integer"]} <- get-address {name: "result", value: 1, type: 2-10, properties: ["result": "address":"channel", "deref": ]}, {name: "first-free", value: 1, type: 0, properties: ["first-free": "offset"]}
 run/0: ingredient 0 is result
 mem/0: location 1002 is 1030
 run/0: ingredient 1 is first-free
@@ -53,19 +59,23 @@ run/0: address to copy is 1031
 run/0: product 0 is 1031
 mem/0: storing 1031 in location 1004
 run/0: instruction init-channel/5
+run/0: {name: "free", value: 3, type: 2-1, properties: ["free": "address":"integer", "deref": ]} <- copy {name: "0", value: 0, type: 0, properties: ["0": "literal"]}
 run/0: ingredient 0 is 0
 mem/0: location 1004 is 1031
 mem/0: storing 0 in location 1031
 run/0: instruction init-channel/6
+run/0: {name: "capacity", value: 4, type: 1, properties: ["capacity": "integer"]} <- next-ingredient 
 run/0: product 0 is 3
 mem/0: storing 3 in location 1005
 run/0: instruction init-channel/7
+run/0: {name: "capacity", value: 4, type: 1, properties: ["capacity": "integer"]} <- add {name: "capacity", value: 4, type: 1, properties: ["capacity": "integer"]}, {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: ingredient 0 is capacity
 mem/0: location 1005 is 3
 run/0: ingredient 1 is 1
 run/0: product 0 is 4
 mem/0: storing 4 in location 1005
 run/0: instruction init-channel/8
+run/0: {name: "dest", value: 5, type: 2-2-5-1, properties: ["dest": "address":"address":"array":"location"]} <- get-address {name: "result", value: 1, type: 2-10, properties: ["result": "address":"channel", "deref": ]}, {name: "data", value: 2, type: 0, properties: ["data": "offset"]}
 run/0: ingredient 0 is result
 mem/0: location 1002 is 1030
 run/0: ingredient 1 is data
@@ -73,35 +83,45 @@ run/0: address to copy is 1032
 run/0: product 0 is 1032
 mem/0: storing 1032 in location 1006
 run/0: instruction init-channel/9
+run/0: {name: "dest", value: 5, type: 2-2-5-1, properties: ["dest": "address":"address":"array":"location", "deref": ]} <- new {name: "location", value: 1, type: 0, properties: ["location": "type"]}, {name: "capacity", value: 4, type: 1, properties: ["capacity": "integer"]}
 mem/0: location 1005 is 4
 mem/0: array size is 4
 mem/0: new alloc: 1033
 mem/0: location 1006 is 1032
 mem/0: storing 1033 in location 1032
 run/0: instruction init-channel/10
+run/0: reply {name: "result", value: 1, type: 2-10, properties: ["result": "address":"channel"]}
 mem/0: location 1002 is 1030
 run/0: result 0 is 1030
 mem/0: storing 1030 in location 1
 run/0: instruction test-channel-read-increments-full/1
+run/0: {name: "1", value: 1, type: 2-10, properties: ["1": "address":"channel"]} <- write {name: "1", value: 1, type: 2-10, properties: ["1": "address":"channel"]}, {name: "34", value: 34, type: 0, properties: ["34": "literal"]}
 mem/0: location 1 is 1030
 run/0: instruction write/0
+run/0: {name: "default-space", value: 0, type: 2-5-1, properties: ["default-space": "address":"array":"location"]} <- new {name: "location", value: 1, type: 0, properties: ["location": "type"]}, {name: "30", value: 30, type: 0, properties: ["30": "literal"]}
 mem/0: array size is 30
 mem/0: new alloc: 1037
 run/0: instruction write/1
+run/0: {name: "chan", value: 1, type: 2-10, properties: ["chan": "address":"channel"]} <- next-ingredient 
 run/0: product 0 is 1030
 mem/0: storing 1030 in location 1039
 run/0: instruction write/2
+run/0: {name: "val", value: 2, type: 1, properties: ["val": "location"]} <- next-ingredient 
 run/0: product 0 is 34
 mem/0: storing 34 in location 1040
 run/0: instruction write/4
+run/0: {name: "full", value: 3, type: 3, properties: ["full": "boolean"]} <- channel-full? {name: "chan", value: 1, type: 2-10, properties: ["chan": "address":"channel"]}
 mem/0: location 1039 is 1030
 run/0: instruction channel-full?/0
+run/0: {name: "default-space", value: 0, type: 2-5-1, properties: ["default-space": "address":"array":"location"]} <- new {name: "location", value: 1, type: 0, properties: ["location": "type"]}, {name: "30", value: 30, type: 0, properties: ["30": "literal"]}
 mem/0: array size is 30
 mem/0: new alloc: 1067
 run/0: instruction channel-full?/1
+run/0: {name: "chan", value: 1, type: 2-10, properties: ["chan": "address":"channel"]} <- next-ingredient 
 run/0: product 0 is 1030
 mem/0: storing 1030 in location 1069
 run/0: instruction channel-full?/2
+run/0: {name: "tmp", value: 2, type: 1, properties: ["tmp": "integer"]} <- get {name: "chan", value: 1, type: 2-10, properties: ["chan": "address":"channel", "deref": ]}, {name: "first-free", value: 1, type: 0, properties: ["first-free": "offset"]}
 run/0: ingredient 0 is chan
 mem/0: location 1069 is 1030
 run/0: ingredient 1 is first-free
@@ -111,20 +131,25 @@ mem/0: location 1031 is 0
 run/0: product 0 is 0
 mem/0: storing 0 in location 1070
 run/0: instruction channel-full?/3
+run/0: {name: "tmp", value: 2, type: 1, properties: ["tmp": "integer"]} <- add {name: "tmp", value: 2, type: 1, properties: ["tmp": "integer"]}, {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: ingredient 0 is tmp
 mem/0: location 1070 is 0
 run/0: ingredient 1 is 1
 run/0: product 0 is 1
 mem/0: storing 1 in location 1070
 run/0: instruction channel-full?/5
+run/0: {name: "len", value: 3, type: 1, properties: ["len": "integer"]} <- channel-capacity {name: "chan", value: 1, type: 2-10, properties: ["chan": "address":"channel"]}
 mem/0: location 1069 is 1030
 run/0: instruction channel-capacity/0
+run/0: {name: "default-space", value: 0, type: 2-5-1, properties: ["default-space": "address":"array":"location"]} <- new {name: "location", value: 1, type: 0, properties: ["location": "type"]}, {name: "30", value: 30, type: 0, properties: ["30": "literal"]}
 mem/0: array size is 30
 mem/0: new alloc: 1097
 run/0: instruction channel-capacity/1
+run/0: {name: "chan", value: 1, type: 2-10, properties: ["chan": "address":"channel"]} <- next-ingredient 
 run/0: product 0 is 1030
 mem/0: storing 1030 in location 1099
 run/0: instruction channel-capacity/2
+run/0: {name: "q", value: 2, type: 2-5-1, properties: ["q": "address":"array":"location"]} <- get {name: "chan", value: 1, type: 2-10, properties: ["chan": "address":"channel", "deref": ]}, {name: "data", value: 2, type: 0, properties: ["data": "offset"]}
 run/0: ingredient 0 is chan
 mem/0: location 1099 is 1030
 run/0: ingredient 1 is data
@@ -134,13 +159,16 @@ mem/0: location 1032 is 1033
 run/0: product 0 is 1033
 mem/0: storing 1033 in location 1100
 run/0: instruction channel-capacity/3
+run/0: {name: "result", value: 3, type: 1, properties: ["result": "integer"]} <- length {name: "q", value: 2, type: 2-5-1, properties: ["q": "address":"array":"location", "deref": ]}
 mem/0: location 1100 is 1033
 mem/0: storing 4 in location 1101
 run/0: instruction channel-capacity/4
+run/0: reply {name: "result", value: 3, type: 1, properties: ["result": "integer"]}
 mem/0: location 1101 is 4
 run/0: result 0 is 4
 mem/0: storing 4 in location 1071
 run/0: instruction channel-full?/6
+run/0: {name: "at-end?", value: 4, type: 3, properties: ["at-end?": "boolean"]} <- greater-or-equal {name: "tmp", value: 2, type: 1, properties: ["tmp": "integer"]}, {name: "len", value: 3, type: 1, properties: ["len": "integer"]}
 run/0: ingredient 0 is tmp
 mem/0: location 1070 is 1
 run/0: ingredient 1 is len
@@ -148,11 +176,13 @@ mem/0: location 1071 is 4
 run/0: product 0 is 0
 mem/0: storing 0 in location 1072
 run/0: instruction channel-full?/7
+run/0: break-unless {name: "at-end?", value: 4, type: 3, properties: ["at-end?": "boolean"]}, {name: "", value: 1, type: , properties: ["": ]}
 mem/0: location 1072 is 0
 run/0: ingredient 0 is 0
 run/0: ingredient 1 is 
 run/0: jumping to instruction 9
 run/0: instruction channel-full?/10
+run/0: {name: "full", value: 5, type: 1, properties: ["full": "integer"]} <- get {name: "chan", value: 1, type: 2-10, properties: ["chan": "address":"channel", "deref": ]}, {name: "first-full", value: 0, type: 0, properties: ["first-full": "offset"]}
 run/0: ingredient 0 is chan
 mem/0: location 1069 is 1030
 run/0: ingredient 1 is first-full
@@ -162,6 +192,7 @@ mem/0: location 1030 is 0
 run/0: product 0 is 0
 mem/0: storing 0 in location 1073
 run/0: instruction channel-full?/11
+run/0: {name: "result", value: 6, type: 3, properties: ["result": "boolean"]} <- equal {name: "full", value: 5, type: 1, properties: ["full": "integer"]}, {name: "tmp", value: 2, type: 1, properties: ["tmp": "integer"]}
 run/0: ingredient 0 is full
 mem/0: location 1073 is 0
 run/0: ingredient 1 is tmp
@@ -169,15 +200,18 @@ mem/0: location 1070 is 1
 run/0: product 0 is 0
 mem/0: storing 0 in location 1074
 run/0: instruction channel-full?/12
+run/0: reply {name: "result", value: 6, type: 3, properties: ["result": "boolean"]}
 mem/0: location 1074 is 0
 run/0: result 0 is 0
 mem/0: storing 0 in location 1041
 run/0: instruction write/5
+run/0: break-unless {name: "full", value: 3, type: 3, properties: ["full": "boolean"]}, {name: "", value: 2, type: , properties: ["": ]}
 mem/0: location 1041 is 0
 run/0: ingredient 0 is 0
 run/0: ingredient 1 is 
 run/0: jumping to instruction 8
 run/0: instruction write/9
+run/0: {name: "circular-buffer", value: 5, type: 2-5-1, properties: ["circular-buffer": "address":"array":"location"]} <- get {name: "chan", value: 1, type: 2-10, properties: ["chan": "address":"channel", "deref": ]}, {name: "data", value: 2, type: 0, properties: ["data": "offset"]}
 run/0: ingredient 0 is chan
 mem/0: location 1039 is 1030
 run/0: ingredient 1 is data
@@ -187,6 +221,7 @@ mem/0: location 1032 is 1033
 run/0: product 0 is 1033
 mem/0: storing 1033 in location 1043
 run/0: instruction write/10
+run/0: {name: "free", value: 6, type: 2-1, properties: ["free": "address":"integer"]} <- get-address {name: "chan", value: 1, type: 2-10, properties: ["chan": "address":"channel", "deref": ]}, {name: "first-free", value: 1, type: 0, properties: ["first-free": "offset"]}
 run/0: ingredient 0 is chan
 mem/0: location 1039 is 1030
 run/0: ingredient 1 is first-free
@@ -194,6 +229,7 @@ run/0: address to copy is 1031
 run/0: product 0 is 1031
 mem/0: storing 1031 in location 1044
 run/0: instruction write/11
+run/0: {name: "dest", value: 7, type: 2-1, properties: ["dest": "address":"location"]} <- index-address {name: "circular-buffer", value: 5, type: 2-5-1, properties: ["circular-buffer": "address":"array":"location", "deref": ]}, {name: "free", value: 6, type: 2-1, properties: ["free": "address":"integer", "deref": ]}
 run/0: ingredient 0 is circular-buffer
 mem/0: location 1043 is 1033
 run/0: ingredient 1 is {name: "free", value: 6, type: 2-1, properties: ["free": "address":"integer", "deref": ]}
@@ -203,11 +239,13 @@ run/0: address to copy is 1034
 run/0: product 0 is 1034
 mem/0: storing 1034 in location 1045
 run/0: instruction write/12
+run/0: {name: "dest", value: 7, type: 2-1, properties: ["dest": "address":"location", "deref": ]} <- copy {name: "val", value: 2, type: 1, properties: ["val": "location"]}
 run/0: ingredient 0 is val
 mem/0: location 1040 is 34
 mem/0: location 1045 is 1034
 mem/0: storing 34 in location 1034
 run/0: instruction write/13
+run/0: {name: "free", value: 6, type: 2-1, properties: ["free": "address":"integer", "deref": ]} <- add {name: "free", value: 6, type: 2-1, properties: ["free": "address":"integer", "deref": ]}, {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: ingredient 0 is free
 mem/0: location 1044 is 1031
 mem/0: location 1031 is 0
@@ -216,9 +254,11 @@ run/0: product 0 is 1
 mem/0: location 1044 is 1031
 mem/0: storing 1 in location 1031
 run/0: instruction write/15
+run/0: {name: "len", value: 8, type: 1, properties: ["len": "integer"]} <- length {name: "circular-buffer", value: 5, type: 2-5-1, properties: ["circular-buffer": "address":"array":"location", "deref": ]}
 mem/0: location 1043 is 1033
 mem/0: storing 4 in location 1046
 run/0: instruction write/16
+run/0: {name: "at-end?", value: 9, type: 3, properties: ["at-end?": "boolean"]} <- greater-or-equal {name: "free", value: 6, type: 2-1, properties: ["free": "address":"integer", "deref": ]}, {name: "len", value: 8, type: 1, properties: ["len": "integer"]}
 run/0: ingredient 0 is free
 mem/0: location 1044 is 1031
 mem/0: location 1031 is 1
@@ -227,31 +267,40 @@ mem/0: location 1046 is 4
 run/0: product 0 is 0
 mem/0: storing 0 in location 1047
 run/0: instruction write/17
+run/0: break-unless {name: "at-end?", value: 9, type: 3, properties: ["at-end?": "boolean"]}, {name: "", value: 1, type: , properties: ["": ]}
 mem/0: location 1047 is 0
 run/0: ingredient 0 is 0
 run/0: ingredient 1 is 
 run/0: jumping to instruction 19
 run/0: instruction write/20
+run/0: reply {name: "chan", value: 1, type: 2-10, properties: ["chan": "address":"channel", "same-as-ingredient": "0"]}
 mem/0: location 1039 is 1030
 run/0: result 0 is 1030
 mem/0: storing 1030 in location 1
 run/0: instruction test-channel-read-increments-full/2
+run/0: {name: "_", value: 0, type: 0, properties: ["_": "dummy"]}, {name: "1", value: 1, type: 2-10, properties: ["1": "address":"channel"]} <- read {name: "1", value: 1, type: 2-10, properties: ["1": "address":"channel"]}
 mem/0: location 1 is 1030
 run/0: instruction read/0
+run/0: {name: "default-space", value: 0, type: 2-5-1, properties: ["default-space": "address":"array":"location"]} <- new {name: "location", value: 1, type: 0, properties: ["location": "type"]}, {name: "30", value: 30, type: 0, properties: ["30": "literal"]}
 mem/0: array size is 30
 mem/0: new alloc: 1127
 run/0: instruction read/1
+run/0: {name: "chan", value: 1, type: 2-10, properties: ["chan": "address":"channel"]} <- next-ingredient 
 run/0: product 0 is 1030
 mem/0: storing 1030 in location 1129
 run/0: instruction read/3
+run/0: {name: "empty", value: 2, type: 3, properties: ["empty": "boolean"]} <- channel-empty? {name: "chan", value: 1, type: 2-10, properties: ["chan": "address":"channel"]}
 mem/0: location 1129 is 1030
 run/0: instruction channel-empty?/0
+run/0: {name: "default-space", value: 0, type: 2-5-1, properties: ["default-space": "address":"array":"location"]} <- new {name: "location", value: 1, type: 0, properties: ["location": "type"]}, {name: "30", value: 30, type: 0, properties: ["30": "literal"]}
 mem/0: array size is 30
 mem/0: new alloc: 1157
 run/0: instruction channel-empty?/1
+run/0: {name: "chan", value: 1, type: 2-10, properties: ["chan": "address":"channel"]} <- next-ingredient 
 run/0: product 0 is 1030
 mem/0: storing 1030 in location 1159
 run/0: instruction channel-empty?/2
+run/0: {name: "full", value: 2, type: 1, properties: ["full": "integer"]} <- get {name: "chan", value: 1, type: 2-10, properties: ["chan": "address":"channel", "deref": ]}, {name: "first-full", value: 0, type: 0, properties: ["first-full": "offset"]}
 run/0: ingredient 0 is chan
 mem/0: location 1159 is 1030
 run/0: ingredient 1 is first-full
@@ -261,6 +310,7 @@ mem/0: location 1030 is 0
 run/0: product 0 is 0
 mem/0: storing 0 in location 1160
 run/0: instruction channel-empty?/3
+run/0: {name: "free", value: 3, type: 1, properties: ["free": "integer"]} <- get {name: "chan", value: 1, type: 2-10, properties: ["chan": "address":"channel", "deref": ]}, {name: "first-free", value: 1, type: 0, properties: ["first-free": "offset"]}
 run/0: ingredient 0 is chan
 mem/0: location 1159 is 1030
 run/0: ingredient 1 is first-free
@@ -270,6 +320,7 @@ mem/0: location 1031 is 1
 run/0: product 0 is 1
 mem/0: storing 1 in location 1161
 run/0: instruction channel-empty?/4
+run/0: {name: "result", value: 4, type: 3, properties: ["result": "boolean"]} <- equal {name: "full", value: 2, type: 1, properties: ["full": "integer"]}, {name: "free", value: 3, type: 1, properties: ["free": "integer"]}
 run/0: ingredient 0 is full
 mem/0: location 1160 is 0
 run/0: ingredient 1 is free
@@ -277,15 +328,18 @@ mem/0: location 1161 is 1
 run/0: product 0 is 0
 mem/0: storing 0 in location 1162
 run/0: instruction channel-empty?/5
+run/0: reply {name: "result", value: 4, type: 3, properties: ["result": "boolean"]}
 mem/0: location 1162 is 0
 run/0: result 0 is 0
 mem/0: storing 0 in location 1130
 run/0: instruction read/4
+run/0: break-unless {name: "empty", value: 2, type: 3, properties: ["empty": "boolean"]}, {name: "", value: 2, type: , properties: ["": ]}
 mem/0: location 1130 is 0
 run/0: ingredient 0 is 0
 run/0: ingredient 1 is 
 run/0: jumping to instruction 7
 run/0: instruction read/8
+run/0: {name: "full", value: 4, type: 2-1, properties: ["full": "address":"integer"]} <- get-address {name: "chan", value: 1, type: 2-10, properties: ["chan": "address":"channel", "deref": ]}, {name: "first-full", value: 0, type: 0, properties: ["first-full": "offset"]}
 run/0: ingredient 0 is chan
 mem/0: location 1129 is 1030
 run/0: ingredient 1 is first-full
@@ -293,6 +347,7 @@ run/0: address to copy is 1030
 run/0: product 0 is 1030
 mem/0: storing 1030 in location 1132
 run/0: instruction read/9
+run/0: {name: "circular-buffer", value: 5, type: 2-5-1, properties: ["circular-buffer": "address":"array":"location"]} <- get {name: "chan", value: 1, type: 2-10, properties: ["chan": "address":"channel", "deref": ]}, {name: "data", value: 2, type: 0, properties: ["data": "offset"]}
 run/0: ingredient 0 is chan
 mem/0: location 1129 is 1030
 run/0: ingredient 1 is data
@@ -302,6 +357,7 @@ mem/0: location 1032 is 1033
 run/0: product 0 is 1033
 mem/0: storing 1033 in location 1133
 run/0: instruction read/10
+run/0: {name: "result", value: 6, type: 1, properties: ["result": "location"]} <- index {name: "circular-buffer", value: 5, type: 2-5-1, properties: ["circular-buffer": "address":"array":"location", "deref": ]}, {name: "full", value: 4, type: 2-1, properties: ["full": "address":"integer", "deref": ]}
 run/0: ingredient 0 is {name: "circular-buffer", value: 5, type: 2-5-1, properties: ["circular-buffer": "address":"array":"location", "deref": ]}
 mem/0: location 1133 is 1033
 run/0: ingredient 1 is {name: "full", value: 4, type: 2-1, properties: ["full": "address":"integer", "deref": ]}
@@ -313,6 +369,7 @@ mem/0: location 1034 is 34
 run/0: product 0 is 34
 mem/0: storing 34 in location 1134
 run/0: instruction read/11
+run/0: {name: "full", value: 4, type: 2-1, properties: ["full": "address":"integer", "deref": ]} <- add {name: "full", value: 4, type: 2-1, properties: ["full": "address":"integer", "deref": ]}, {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: ingredient 0 is full
 mem/0: location 1132 is 1030
 mem/0: location 1030 is 0
@@ -321,9 +378,11 @@ run/0: product 0 is 1
 mem/0: location 1132 is 1030
 mem/0: storing 1 in location 1030
 run/0: instruction read/13
+run/0: {name: "len", value: 7, type: 1, properties: ["len": "integer"]} <- length {name: "circular-buffer", value: 5, type: 2-5-1, properties: ["circular-buffer": "address":"array":"location", "deref": ]}
 mem/0: location 1133 is 1033
 mem/0: storing 4 in location 1135
 run/0: instruction read/14
+run/0: {name: "at-end?", value: 8, type: 3, properties: ["at-end?": "boolean"]} <- greater-or-equal {name: "full", value: 4, type: 2-1, properties: ["full": "address":"integer", "deref": ]}, {name: "len", value: 7, type: 1, properties: ["len": "integer"]}
 run/0: ingredient 0 is full
 mem/0: location 1132 is 1030
 mem/0: location 1030 is 1
@@ -332,17 +391,20 @@ mem/0: location 1135 is 4
 run/0: product 0 is 0
 mem/0: storing 0 in location 1136
 run/0: instruction read/15
+run/0: break-unless {name: "at-end?", value: 8, type: 3, properties: ["at-end?": "boolean"]}, {name: "", value: 1, type: , properties: ["": ]}
 mem/0: location 1136 is 0
 run/0: ingredient 0 is 0
 run/0: ingredient 1 is 
 run/0: jumping to instruction 17
 run/0: instruction read/18
+run/0: reply {name: "result", value: 6, type: 1, properties: ["result": "location"]}, {name: "chan", value: 1, type: 2-10, properties: ["chan": "address":"channel", "same-as-ingredient": "0"]}
 mem/0: location 1134 is 34
 mem/0: location 1129 is 1030
 run/0: result 0 is 34
 run/0: result 1 is 1030
 mem/0: storing 1030 in location 1
 run/0: instruction test-channel-read-increments-full/3
+run/0: {name: "2", value: 2, type: 1, properties: ["2": "integer"]} <- get {name: "1", value: 1, type: 2-10, properties: ["1": "address":"channel", "deref": ]}, {name: "first-full", value: 0, type: 0, properties: ["first-full": "offset"]}
 run/0: ingredient 0 is 1
 mem/0: location 1 is 1030
 run/0: ingredient 1 is first-full
@@ -352,6 +414,7 @@ mem/0: location 1030 is 1
 run/0: product 0 is 1
 mem/0: storing 1 in location 2
 run/0: instruction test-channel-read-increments-full/4
+run/0: {name: "3", value: 3, type: 1, properties: ["3": "integer"]} <- get {name: "1", value: 1, type: 2-10, properties: ["1": "address":"channel", "deref": ]}, {name: "first-free", value: 1, type: 0, properties: ["first-free": "offset"]}
 run/0: ingredient 0 is 1
 mem/0: location 1 is 1030
 run/0: ingredient 1 is first-free
diff --git a/cpp/.traces/channel-read-not-full b/cpp/.traces/channel-read-not-full
index 9cacc02b..859eaefd 100644
--- a/cpp/.traces/channel-read-not-full
+++ b/cpp/.traces/channel-read-not-full
@@ -24,13 +24,17 @@ after-brace/0: channel-full? ...
 new/0: routine allocated memory from 1000 to 101000
 schedule/0: test-channel-read-not-full
 run/0: instruction test-channel-read-not-full/0
+run/0: {name: "1", value: 1, type: 2-10, properties: ["1": "address":"channel"]} <- init-channel {name: "1", value: 1, type: 0, properties: ["1": "literal", "capacity": ]}
 run/0: instruction init-channel/0
+run/0: {name: "default-space", value: 0, type: 2-5-1, properties: ["default-space": "address":"array":"location"]} <- new {name: "location", value: 1, type: 0, properties: ["location": "type"]}, {name: "30", value: 30, type: 0, properties: ["30": "literal"]}
 mem/0: array size is 30
 mem/0: new alloc: 1000
 run/0: instruction init-channel/1
+run/0: {name: "result", value: 1, type: 2-10, properties: ["result": "address":"channel"]} <- new {name: "channel", value: 10, type: 0, properties: ["channel": "type"]}
 mem/0: new alloc: 1030
 mem/0: storing 1030 in location 1002
 run/0: instruction init-channel/2
+run/0: {name: "full", value: 2, type: 2-1, properties: ["full": "address":"integer"]} <- get-address {name: "result", value: 1, type: 2-10, properties: ["result": "address":"channel", "deref": ]}, {name: "first-full", value: 0, type: 0, properties: ["first-full": "offset"]}
 run/0: ingredient 0 is result
 mem/0: location 1002 is 1030
 run/0: ingredient 1 is first-full
@@ -38,10 +42,12 @@ run/0: address to copy is 1030
 run/0: product 0 is 1030
 mem/0: storing 1030 in location 1003
 run/0: instruction init-channel/3
+run/0: {name: "full", value: 2, type: 2-1, properties: ["full": "address":"integer", "deref": ]} <- copy {name: "0", value: 0, type: 0, properties: ["0": "literal"]}
 run/0: ingredient 0 is 0
 mem/0: location 1003 is 1030
 mem/0: storing 0 in location 1030
 run/0: instruction init-channel/4
+run/0: {name: "free", value: 3, type: 2-1, properties: ["free": "address":"integer"]} <- get-address {name: "result", value: 1, type: 2-10, properties: ["result": "address":"channel", "deref": ]}, {name: "first-free", value: 1, type: 0, properties: ["first-free": "offset"]}
 run/0: ingredient 0 is result
 mem/0: location 1002 is 1030
 run/0: ingredient 1 is first-free
@@ -49,19 +55,23 @@ run/0: address to copy is 1031
 run/0: product 0 is 1031
 mem/0: storing 1031 in location 1004
 run/0: instruction init-channel/5
+run/0: {name: "free", value: 3, type: 2-1, properties: ["free": "address":"integer", "deref": ]} <- copy {name: "0", value: 0, type: 0, properties: ["0": "literal"]}
 run/0: ingredient 0 is 0
 mem/0: location 1004 is 1031
 mem/0: storing 0 in location 1031
 run/0: instruction init-channel/6
+run/0: {name: "capacity", value: 4, type: 1, properties: ["capacity": "integer"]} <- next-ingredient 
 run/0: product 0 is 1
 mem/0: storing 1 in location 1005
 run/0: instruction init-channel/7
+run/0: {name: "capacity", value: 4, type: 1, properties: ["capacity": "integer"]} <- add {name: "capacity", value: 4, type: 1, properties: ["capacity": "integer"]}, {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: ingredient 0 is capacity
 mem/0: location 1005 is 1
 run/0: ingredient 1 is 1
 run/0: product 0 is 2
 mem/0: storing 2 in location 1005
 run/0: instruction init-channel/8
+run/0: {name: "dest", value: 5, type: 2-2-5-1, properties: ["dest": "address":"address":"array":"location"]} <- get-address {name: "result", value: 1, type: 2-10, properties: ["result": "address":"channel", "deref": ]}, {name: "data", value: 2, type: 0, properties: ["data": "offset"]}
 run/0: ingredient 0 is result
 mem/0: location 1002 is 1030
 run/0: ingredient 1 is data
@@ -69,35 +79,45 @@ run/0: address to copy is 1032
 run/0: product 0 is 1032
 mem/0: storing 1032 in location 1006
 run/0: instruction init-channel/9
+run/0: {name: "dest", value: 5, type: 2-2-5-1, properties: ["dest": "address":"address":"array":"location", "deref": ]} <- new {name: "location", value: 1, type: 0, properties: ["location": "type"]}, {name: "capacity", value: 4, type: 1, properties: ["capacity": "integer"]}
 mem/0: location 1005 is 2
 mem/0: array size is 2
 mem/0: new alloc: 1033
 mem/0: location 1006 is 1032
 mem/0: storing 1033 in location 1032
 run/0: instruction init-channel/10
+run/0: reply {name: "result", value: 1, type: 2-10, properties: ["result": "address":"channel"]}
 mem/0: location 1002 is 1030
 run/0: result 0 is 1030
 mem/0: storing 1030 in location 1
 run/0: instruction test-channel-read-not-full/1
+run/0: {name: "1", value: 1, type: 2-10, properties: ["1": "address":"channel"]} <- write {name: "1", value: 1, type: 2-10, properties: ["1": "address":"channel"]}, {name: "34", value: 34, type: 0, properties: ["34": "literal"]}
 mem/0: location 1 is 1030
 run/0: instruction write/0
+run/0: {name: "default-space", value: 0, type: 2-5-1, properties: ["default-space": "address":"array":"location"]} <- new {name: "location", value: 1, type: 0, properties: ["location": "type"]}, {name: "30", value: 30, type: 0, properties: ["30": "literal"]}
 mem/0: array size is 30
 mem/0: new alloc: 1035
 run/0: instruction write/1
+run/0: {name: "chan", value: 1, type: 2-10, properties: ["chan": "address":"channel"]} <- next-ingredient 
 run/0: product 0 is 1030
 mem/0: storing 1030 in location 1037
 run/0: instruction write/2
+run/0: {name: "val", value: 2, type: 1, properties: ["val": "location"]} <- next-ingredient 
 run/0: product 0 is 34
 mem/0: storing 34 in location 1038
 run/0: instruction write/4
+run/0: {name: "full", value: 3, type: 3, properties: ["full": "boolean"]} <- channel-full? {name: "chan", value: 1, type: 2-10, properties: ["chan": "address":"channel"]}
 mem/0: location 1037 is 1030
 run/0: instruction channel-full?/0
+run/0: {name: "default-space", value: 0, type: 2-5-1, properties: ["default-space": "address":"array":"location"]} <- new {name: "location", value: 1, type: 0, properties: ["location": "type"]}, {name: "30", value: 30, type: 0, properties: ["30": "literal"]}
 mem/0: array size is 30
 mem/0: new alloc: 1065
 run/0: instruction channel-full?/1
+run/0: {name: "chan", value: 1, type: 2-10, properties: ["chan": "address":"channel"]} <- next-ingredient 
 run/0: product 0 is 1030
 mem/0: storing 1030 in location 1067
 run/0: instruction channel-full?/2
+run/0: {name: "tmp", value: 2, type: 1, properties: ["tmp": "integer"]} <- get {name: "chan", value: 1, type: 2-10, properties: ["chan": "address":"channel", "deref": ]}, {name: "first-free", value: 1, type: 0, properties: ["first-free": "offset"]}
 run/0: ingredient 0 is chan
 mem/0: location 1067 is 1030
 run/0: ingredient 1 is first-free
@@ -107,20 +127,25 @@ mem/0: location 1031 is 0
 run/0: product 0 is 0
 mem/0: storing 0 in location 1068
 run/0: instruction channel-full?/3
+run/0: {name: "tmp", value: 2, type: 1, properties: ["tmp": "integer"]} <- add {name: "tmp", value: 2, type: 1, properties: ["tmp": "integer"]}, {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: ingredient 0 is tmp
 mem/0: location 1068 is 0
 run/0: ingredient 1 is 1
 run/0: product 0 is 1
 mem/0: storing 1 in location 1068
 run/0: instruction channel-full?/5
+run/0: {name: "len", value: 3, type: 1, properties: ["len": "integer"]} <- channel-capacity {name: "chan", value: 1, type: 2-10, properties: ["chan": "address":"channel"]}
 mem/0: location 1067 is 1030
 run/0: instruction channel-capacity/0
+run/0: {name: "default-space", value: 0, type: 2-5-1, properties: ["default-space": "address":"array":"location"]} <- new {name: "location", value: 1, type: 0, properties: ["location": "type"]}, {name: "30", value: 30, type: 0, properties: ["30": "literal"]}
 mem/0: array size is 30
 mem/0: new alloc: 1095
 run/0: instruction channel-capacity/1
+run/0: {name: "chan", value: 1, type: 2-10, properties: ["chan": "address":"channel"]} <- next-ingredient 
 run/0: product 0 is 1030
 mem/0: storing 1030 in location 1097
 run/0: instruction channel-capacity/2
+run/0: {name: "q", value: 2, type: 2-5-1, properties: ["q": "address":"array":"location"]} <- get {name: "chan", value: 1, type: 2-10, properties: ["chan": "address":"channel", "deref": ]}, {name: "data", value: 2, type: 0, properties: ["data": "offset"]}
 run/0: ingredient 0 is chan
 mem/0: location 1097 is 1030
 run/0: ingredient 1 is data
@@ -130,13 +155,16 @@ mem/0: location 1032 is 1033
 run/0: product 0 is 1033
 mem/0: storing 1033 in location 1098
 run/0: instruction channel-capacity/3
+run/0: {name: "result", value: 3, type: 1, properties: ["result": "integer"]} <- length {name: "q", value: 2, type: 2-5-1, properties: ["q": "address":"array":"location", "deref": ]}
 mem/0: location 1098 is 1033
 mem/0: storing 2 in location 1099
 run/0: instruction channel-capacity/4
+run/0: reply {name: "result", value: 3, type: 1, properties: ["result": "integer"]}
 mem/0: location 1099 is 2
 run/0: result 0 is 2
 mem/0: storing 2 in location 1069
 run/0: instruction channel-full?/6
+run/0: {name: "at-end?", value: 4, type: 3, properties: ["at-end?": "boolean"]} <- greater-or-equal {name: "tmp", value: 2, type: 1, properties: ["tmp": "integer"]}, {name: "len", value: 3, type: 1, properties: ["len": "integer"]}
 run/0: ingredient 0 is tmp
 mem/0: location 1068 is 1
 run/0: ingredient 1 is len
@@ -144,11 +172,13 @@ mem/0: location 1069 is 2
 run/0: product 0 is 0
 mem/0: storing 0 in location 1070
 run/0: instruction channel-full?/7
+run/0: break-unless {name: "at-end?", value: 4, type: 3, properties: ["at-end?": "boolean"]}, {name: "", value: 1, type: , properties: ["": ]}
 mem/0: location 1070 is 0
 run/0: ingredient 0 is 0
 run/0: ingredient 1 is 
 run/0: jumping to instruction 9
 run/0: instruction channel-full?/10
+run/0: {name: "full", value: 5, type: 1, properties: ["full": "integer"]} <- get {name: "chan", value: 1, type: 2-10, properties: ["chan": "address":"channel", "deref": ]}, {name: "first-full", value: 0, type: 0, properties: ["first-full": "offset"]}
 run/0: ingredient 0 is chan
 mem/0: location 1067 is 1030
 run/0: ingredient 1 is first-full
@@ -158,6 +188,7 @@ mem/0: location 1030 is 0
 run/0: product 0 is 0
 mem/0: storing 0 in location 1071
 run/0: instruction channel-full?/11
+run/0: {name: "result", value: 6, type: 3, properties: ["result": "boolean"]} <- equal {name: "full", value: 5, type: 1, properties: ["full": "integer"]}, {name: "tmp", value: 2, type: 1, properties: ["tmp": "integer"]}
 run/0: ingredient 0 is full
 mem/0: location 1071 is 0
 run/0: ingredient 1 is tmp
@@ -165,15 +196,18 @@ mem/0: location 1068 is 1
 run/0: product 0 is 0
 mem/0: storing 0 in location 1072
 run/0: instruction channel-full?/12
+run/0: reply {name: "result", value: 6, type: 3, properties: ["result": "boolean"]}
 mem/0: location 1072 is 0
 run/0: result 0 is 0
 mem/0: storing 0 in location 1039
 run/0: instruction write/5
+run/0: break-unless {name: "full", value: 3, type: 3, properties: ["full": "boolean"]}, {name: "", value: 2, type: , properties: ["": ]}
 mem/0: location 1039 is 0
 run/0: ingredient 0 is 0
 run/0: ingredient 1 is 
 run/0: jumping to instruction 8
 run/0: instruction write/9
+run/0: {name: "circular-buffer", value: 5, type: 2-5-1, properties: ["circular-buffer": "address":"array":"location"]} <- get {name: "chan", value: 1, type: 2-10, properties: ["chan": "address":"channel", "deref": ]}, {name: "data", value: 2, type: 0, properties: ["data": "offset"]}
 run/0: ingredient 0 is chan
 mem/0: location 1037 is 1030
 run/0: ingredient 1 is data
@@ -183,6 +217,7 @@ mem/0: location 1032 is 1033
 run/0: product 0 is 1033
 mem/0: storing 1033 in location 1041
 run/0: instruction write/10
+run/0: {name: "free", value: 6, type: 2-1, properties: ["free": "address":"integer"]} <- get-address {name: "chan", value: 1, type: 2-10, properties: ["chan": "address":"channel", "deref": ]}, {name: "first-free", value: 1, type: 0, properties: ["first-free": "offset"]}
 run/0: ingredient 0 is chan
 mem/0: location 1037 is 1030
 run/0: ingredient 1 is first-free
@@ -190,6 +225,7 @@ run/0: address to copy is 1031
 run/0: product 0 is 1031
 mem/0: storing 1031 in location 1042
 run/0: instruction write/11
+run/0: {name: "dest", value: 7, type: 2-1, properties: ["dest": "address":"location"]} <- index-address {name: "circular-buffer", value: 5, type: 2-5-1, properties: ["circular-buffer": "address":"array":"location", "deref": ]}, {name: "free", value: 6, type: 2-1, properties: ["free": "address":"integer", "deref": ]}
 run/0: ingredient 0 is circular-buffer
 mem/0: location 1041 is 1033
 run/0: ingredient 1 is {name: "free", value: 6, type: 2-1, properties: ["free": "address":"integer", "deref": ]}
@@ -199,11 +235,13 @@ run/0: address to copy is 1034
 run/0: product 0 is 1034
 mem/0: storing 1034 in location 1043
 run/0: instruction write/12
+run/0: {name: "dest", value: 7, type: 2-1, properties: ["dest": "address":"location", "deref": ]} <- copy {name: "val", value: 2, type: 1, properties: ["val": "location"]}
 run/0: ingredient 0 is val
 mem/0: location 1038 is 34
 mem/0: location 1043 is 1034
 mem/0: storing 34 in location 1034
 run/0: instruction write/13
+run/0: {name: "free", value: 6, type: 2-1, properties: ["free": "address":"integer", "deref": ]} <- add {name: "free", value: 6, type: 2-1, properties: ["free": "address":"integer", "deref": ]}, {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: ingredient 0 is free
 mem/0: location 1042 is 1031
 mem/0: location 1031 is 0
@@ -212,9 +250,11 @@ run/0: product 0 is 1
 mem/0: location 1042 is 1031
 mem/0: storing 1 in location 1031
 run/0: instruction write/15
+run/0: {name: "len", value: 8, type: 1, properties: ["len": "integer"]} <- length {name: "circular-buffer", value: 5, type: 2-5-1, properties: ["circular-buffer": "address":"array":"location", "deref": ]}
 mem/0: location 1041 is 1033
 mem/0: storing 2 in location 1044
 run/0: instruction write/16
+run/0: {name: "at-end?", value: 9, type: 3, properties: ["at-end?": "boolean"]} <- greater-or-equal {name: "free", value: 6, type: 2-1, properties: ["free": "address":"integer", "deref": ]}, {name: "len", value: 8, type: 1, properties: ["len": "integer"]}
 run/0: ingredient 0 is free
 mem/0: location 1042 is 1031
 mem/0: location 1031 is 1
@@ -223,31 +263,40 @@ mem/0: location 1044 is 2
 run/0: product 0 is 0
 mem/0: storing 0 in location 1045
 run/0: instruction write/17
+run/0: break-unless {name: "at-end?", value: 9, type: 3, properties: ["at-end?": "boolean"]}, {name: "", value: 1, type: , properties: ["": ]}
 mem/0: location 1045 is 0
 run/0: ingredient 0 is 0
 run/0: ingredient 1 is 
 run/0: jumping to instruction 19
 run/0: instruction write/20
+run/0: reply {name: "chan", value: 1, type: 2-10, properties: ["chan": "address":"channel", "same-as-ingredient": "0"]}
 mem/0: location 1037 is 1030
 run/0: result 0 is 1030
 mem/0: storing 1030 in location 1
 run/0: instruction test-channel-read-not-full/2
+run/0: {name: "_", value: 0, type: 0, properties: ["_": "dummy"]}, {name: "1", value: 1, type: 2-10, properties: ["1": "address":"channel"]} <- read {name: "1", value: 1, type: 2-10, properties: ["1": "address":"channel"]}
 mem/0: location 1 is 1030
 run/0: instruction read/0
+run/0: {name: "default-space", value: 0, type: 2-5-1, properties: ["default-space": "address":"array":"location"]} <- new {name: "location", value: 1, type: 0, properties: ["location": "type"]}, {name: "30", value: 30, type: 0, properties: ["30": "literal"]}
 mem/0: array size is 30
 mem/0: new alloc: 1125
 run/0: instruction read/1
+run/0: {name: "chan", value: 1, type: 2-10, properties: ["chan": "address":"channel"]} <- next-ingredient 
 run/0: product 0 is 1030
 mem/0: storing 1030 in location 1127
 run/0: instruction read/3
+run/0: {name: "empty", value: 2, type: 3, properties: ["empty": "boolean"]} <- channel-empty? {name: "chan", value: 1, type: 2-10, properties: ["chan": "address":"channel"]}
 mem/0: location 1127 is 1030
 run/0: instruction channel-empty?/0
+run/0: {name: "default-space", value: 0, type: 2-5-1, properties: ["default-space": "address":"array":"location"]} <- new {name: "location", value: 1, type: 0, properties: ["location": "type"]}, {name: "30", value: 30, type: 0, properties: ["30": "literal"]}
 mem/0: array size is 30
 mem/0: new alloc: 1155
 run/0: instruction channel-empty?/1
+run/0: {name: "chan", value: 1, type: 2-10, properties: ["chan": "address":"channel"]} <- next-ingredient 
 run/0: product 0 is 1030
 mem/0: storing 1030 in location 1157
 run/0: instruction channel-empty?/2
+run/0: {name: "full", value: 2, type: 1, properties: ["full": "integer"]} <- get {name: "chan", value: 1, type: 2-10, properties: ["chan": "address":"channel", "deref": ]}, {name: "first-full", value: 0, type: 0, properties: ["first-full": "offset"]}
 run/0: ingredient 0 is chan
 mem/0: location 1157 is 1030
 run/0: ingredient 1 is first-full
@@ -257,6 +306,7 @@ mem/0: location 1030 is 0
 run/0: product 0 is 0
 mem/0: storing 0 in location 1158
 run/0: instruction channel-empty?/3
+run/0: {name: "free", value: 3, type: 1, properties: ["free": "integer"]} <- get {name: "chan", value: 1, type: 2-10, properties: ["chan": "address":"channel", "deref": ]}, {name: "first-free", value: 1, type: 0, properties: ["first-free": "offset"]}
 run/0: ingredient 0 is chan
 mem/0: location 1157 is 1030
 run/0: ingredient 1 is first-free
@@ -266,6 +316,7 @@ mem/0: location 1031 is 1
 run/0: product 0 is 1
 mem/0: storing 1 in location 1159
 run/0: instruction channel-empty?/4
+run/0: {name: "result", value: 4, type: 3, properties: ["result": "boolean"]} <- equal {name: "full", value: 2, type: 1, properties: ["full": "integer"]}, {name: "free", value: 3, type: 1, properties: ["free": "integer"]}
 run/0: ingredient 0 is full
 mem/0: location 1158 is 0
 run/0: ingredient 1 is free
@@ -273,15 +324,18 @@ mem/0: location 1159 is 1
 run/0: product 0 is 0
 mem/0: storing 0 in location 1160
 run/0: instruction channel-empty?/5
+run/0: reply {name: "result", value: 4, type: 3, properties: ["result": "boolean"]}
 mem/0: location 1160 is 0
 run/0: result 0 is 0
 mem/0: storing 0 in location 1128
 run/0: instruction read/4
+run/0: break-unless {name: "empty", value: 2, type: 3, properties: ["empty": "boolean"]}, {name: "", value: 2, type: , properties: ["": ]}
 mem/0: location 1128 is 0
 run/0: ingredient 0 is 0
 run/0: ingredient 1 is 
 run/0: jumping to instruction 7
 run/0: instruction read/8
+run/0: {name: "full", value: 4, type: 2-1, properties: ["full": "address":"integer"]} <- get-address {name: "chan", value: 1, type: 2-10, properties: ["chan": "address":"channel", "deref": ]}, {name: "first-full", value: 0, type: 0, properties: ["first-full": "offset"]}
 run/0: ingredient 0 is chan
 mem/0: location 1127 is 1030
 run/0: ingredient 1 is first-full
@@ -289,6 +343,7 @@ run/0: address to copy is 1030
 run/0: product 0 is 1030
 mem/0: storing 1030 in location 1130
 run/0: instruction read/9
+run/0: {name: "circular-buffer", value: 5, type: 2-5-1, properties: ["circular-buffer": "address":"array":"location"]} <- get {name: "chan", value: 1, type: 2-10, properties: ["chan": "address":"channel", "deref": ]}, {name: "data", value: 2, type: 0, properties: ["data": "offset"]}
 run/0: ingredient 0 is chan
 mem/0: location 1127 is 1030
 run/0: ingredient 1 is data
@@ -298,6 +353,7 @@ mem/0: location 1032 is 1033
 run/0: product 0 is 1033
 mem/0: storing 1033 in location 1131
 run/0: instruction read/10
+run/0: {name: "result", value: 6, type: 1, properties: ["result": "location"]} <- index {name: "circular-buffer", value: 5, type: 2-5-1, properties: ["circular-buffer": "address":"array":"location", "deref": ]}, {name: "full", value: 4, type: 2-1, properties: ["full": "address":"integer", "deref": ]}
 run/0: ingredient 0 is {name: "circular-buffer", value: 5, type: 2-5-1, properties: ["circular-buffer": "address":"array":"location", "deref": ]}
 mem/0: location 1131 is 1033
 run/0: ingredient 1 is {name: "full", value: 4, type: 2-1, properties: ["full": "address":"integer", "deref": ]}
@@ -309,6 +365,7 @@ mem/0: location 1034 is 34
 run/0: product 0 is 34
 mem/0: storing 34 in location 1132
 run/0: instruction read/11
+run/0: {name: "full", value: 4, type: 2-1, properties: ["full": "address":"integer", "deref": ]} <- add {name: "full", value: 4, type: 2-1, properties: ["full": "address":"integer", "deref": ]}, {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: ingredient 0 is full
 mem/0: location 1130 is 1030
 mem/0: location 1030 is 0
@@ -317,9 +374,11 @@ run/0: product 0 is 1
 mem/0: location 1130 is 1030
 mem/0: storing 1 in location 1030
 run/0: instruction read/13
+run/0: {name: "len", value: 7, type: 1, properties: ["len": "integer"]} <- length {name: "circular-buffer", value: 5, type: 2-5-1, properties: ["circular-buffer": "address":"array":"location", "deref": ]}
 mem/0: location 1131 is 1033
 mem/0: storing 2 in location 1133
 run/0: instruction read/14
+run/0: {name: "at-end?", value: 8, type: 3, properties: ["at-end?": "boolean"]} <- greater-or-equal {name: "full", value: 4, type: 2-1, properties: ["full": "address":"integer", "deref": ]}, {name: "len", value: 7, type: 1, properties: ["len": "integer"]}
 run/0: ingredient 0 is full
 mem/0: location 1130 is 1030
 mem/0: location 1030 is 1
@@ -328,25 +387,31 @@ mem/0: location 1133 is 2
 run/0: product 0 is 0
 mem/0: storing 0 in location 1134
 run/0: instruction read/15
+run/0: break-unless {name: "at-end?", value: 8, type: 3, properties: ["at-end?": "boolean"]}, {name: "", value: 1, type: , properties: ["": ]}
 mem/0: location 1134 is 0
 run/0: ingredient 0 is 0
 run/0: ingredient 1 is 
 run/0: jumping to instruction 17
 run/0: instruction read/18
+run/0: reply {name: "result", value: 6, type: 1, properties: ["result": "location"]}, {name: "chan", value: 1, type: 2-10, properties: ["chan": "address":"channel", "same-as-ingredient": "0"]}
 mem/0: location 1132 is 34
 mem/0: location 1127 is 1030
 run/0: result 0 is 34
 run/0: result 1 is 1030
 mem/0: storing 1030 in location 1
 run/0: instruction test-channel-read-not-full/3
+run/0: {name: "2", value: 2, type: 1, properties: ["2": "integer"]} <- channel-empty? {name: "1", value: 1, type: 2-10, properties: ["1": "address":"channel"]}
 mem/0: location 1 is 1030
 run/0: instruction channel-empty?/0
+run/0: {name: "default-space", value: 0, type: 2-5-1, properties: ["default-space": "address":"array":"location"]} <- new {name: "location", value: 1, type: 0, properties: ["location": "type"]}, {name: "30", value: 30, type: 0, properties: ["30": "literal"]}
 mem/0: array size is 30
 mem/0: new alloc: 1185
 run/0: instruction channel-empty?/1
+run/0: {name: "chan", value: 1, type: 2-10, properties: ["chan": "address":"channel"]} <- next-ingredient 
 run/0: product 0 is 1030
 mem/0: storing 1030 in location 1187
 run/0: instruction channel-empty?/2
+run/0: {name: "full", value: 2, type: 1, properties: ["full": "integer"]} <- get {name: "chan", value: 1, type: 2-10, properties: ["chan": "address":"channel", "deref": ]}, {name: "first-full", value: 0, type: 0, properties: ["first-full": "offset"]}
 run/0: ingredient 0 is chan
 mem/0: location 1187 is 1030
 run/0: ingredient 1 is first-full
@@ -356,6 +421,7 @@ mem/0: location 1030 is 1
 run/0: product 0 is 1
 mem/0: storing 1 in location 1188
 run/0: instruction channel-empty?/3
+run/0: {name: "free", value: 3, type: 1, properties: ["free": "integer"]} <- get {name: "chan", value: 1, type: 2-10, properties: ["chan": "address":"channel", "deref": ]}, {name: "first-free", value: 1, type: 0, properties: ["first-free": "offset"]}
 run/0: ingredient 0 is chan
 mem/0: location 1187 is 1030
 run/0: ingredient 1 is first-free
@@ -365,6 +431,7 @@ mem/0: location 1031 is 1
 run/0: product 0 is 1
 mem/0: storing 1 in location 1189
 run/0: instruction channel-empty?/4
+run/0: {name: "result", value: 4, type: 3, properties: ["result": "boolean"]} <- equal {name: "full", value: 2, type: 1, properties: ["full": "integer"]}, {name: "free", value: 3, type: 1, properties: ["free": "integer"]}
 run/0: ingredient 0 is full
 mem/0: location 1188 is 1
 run/0: ingredient 1 is free
@@ -372,18 +439,23 @@ mem/0: location 1189 is 1
 run/0: product 0 is 1
 mem/0: storing 1 in location 1190
 run/0: instruction channel-empty?/5
+run/0: reply {name: "result", value: 4, type: 3, properties: ["result": "boolean"]}
 mem/0: location 1190 is 1
 run/0: result 0 is 1
 mem/0: storing 1 in location 2
 run/0: instruction test-channel-read-not-full/4
+run/0: {name: "3", value: 3, type: 1, properties: ["3": "integer"]} <- channel-full? {name: "1", value: 1, type: 2-10, properties: ["1": "address":"channel"]}
 mem/0: location 1 is 1030
 run/0: instruction channel-full?/0
+run/0: {name: "default-space", value: 0, type: 2-5-1, properties: ["default-space": "address":"array":"location"]} <- new {name: "location", value: 1, type: 0, properties: ["location": "type"]}, {name: "30", value: 30, type: 0, properties: ["30": "literal"]}
 mem/0: array size is 30
 mem/0: new alloc: 1215
 run/0: instruction channel-full?/1
+run/0: {name: "chan", value: 1, type: 2-10, properties: ["chan": "address":"channel"]} <- next-ingredient 
 run/0: product 0 is 1030
 mem/0: storing 1030 in location 1217
 run/0: instruction channel-full?/2
+run/0: {name: "tmp", value: 2, type: 1, properties: ["tmp": "integer"]} <- get {name: "chan", value: 1, type: 2-10, properties: ["chan": "address":"channel", "deref": ]}, {name: "first-free", value: 1, type: 0, properties: ["first-free": "offset"]}
 run/0: ingredient 0 is chan
 mem/0: location 1217 is 1030
 run/0: ingredient 1 is first-free
@@ -393,20 +465,25 @@ mem/0: location 1031 is 1
 run/0: product 0 is 1
 mem/0: storing 1 in location 1218
 run/0: instruction channel-full?/3
+run/0: {name: "tmp", value: 2, type: 1, properties: ["tmp": "integer"]} <- add {name: "tmp", value: 2, type: 1, properties: ["tmp": "integer"]}, {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: ingredient 0 is tmp
 mem/0: location 1218 is 1
 run/0: ingredient 1 is 1
 run/0: product 0 is 2
 mem/0: storing 2 in location 1218
 run/0: instruction channel-full?/5
+run/0: {name: "len", value: 3, type: 1, properties: ["len": "integer"]} <- channel-capacity {name: "chan", value: 1, type: 2-10, properties: ["chan": "address":"channel"]}
 mem/0: location 1217 is 1030
 run/0: instruction channel-capacity/0
+run/0: {name: "default-space", value: 0, type: 2-5-1, properties: ["default-space": "address":"array":"location"]} <- new {name: "location", value: 1, type: 0, properties: ["location": "type"]}, {name: "30", value: 30, type: 0, properties: ["30": "literal"]}
 mem/0: array size is 30
 mem/0: new alloc: 1245
 run/0: instruction channel-capacity/1
+run/0: {name: "chan", value: 1, type: 2-10, properties: ["chan": "address":"channel"]} <- next-ingredient 
 run/0: product 0 is 1030
 mem/0: storing 1030 in location 1247
 run/0: instruction channel-capacity/2
+run/0: {name: "q", value: 2, type: 2-5-1, properties: ["q": "address":"array":"location"]} <- get {name: "chan", value: 1, type: 2-10, properties: ["chan": "address":"channel", "deref": ]}, {name: "data", value: 2, type: 0, properties: ["data": "offset"]}
 run/0: ingredient 0 is chan
 mem/0: location 1247 is 1030
 run/0: ingredient 1 is data
@@ -416,13 +493,16 @@ mem/0: location 1032 is 1033
 run/0: product 0 is 1033
 mem/0: storing 1033 in location 1248
 run/0: instruction channel-capacity/3
+run/0: {name: "result", value: 3, type: 1, properties: ["result": "integer"]} <- length {name: "q", value: 2, type: 2-5-1, properties: ["q": "address":"array":"location", "deref": ]}
 mem/0: location 1248 is 1033
 mem/0: storing 2 in location 1249
 run/0: instruction channel-capacity/4
+run/0: reply {name: "result", value: 3, type: 1, properties: ["result": "integer"]}
 mem/0: location 1249 is 2
 run/0: result 0 is 2
 mem/0: storing 2 in location 1219
 run/0: instruction channel-full?/6
+run/0: {name: "at-end?", value: 4, type: 3, properties: ["at-end?": "boolean"]} <- greater-or-equal {name: "tmp", value: 2, type: 1, properties: ["tmp": "integer"]}, {name: "len", value: 3, type: 1, properties: ["len": "integer"]}
 run/0: ingredient 0 is tmp
 mem/0: location 1218 is 2
 run/0: ingredient 1 is len
@@ -430,13 +510,16 @@ mem/0: location 1219 is 2
 run/0: product 0 is 1
 mem/0: storing 1 in location 1220
 run/0: instruction channel-full?/7
+run/0: break-unless {name: "at-end?", value: 4, type: 3, properties: ["at-end?": "boolean"]}, {name: "", value: 1, type: , properties: ["": ]}
 mem/0: location 1220 is 1
 run/0: ingredient 0 is 1
 run/0: jump-unless fell through
 run/0: instruction channel-full?/8
+run/0: {name: "tmp", value: 2, type: 1, properties: ["tmp": "integer"]} <- copy {name: "0", value: 0, type: 0, properties: ["0": "literal"]}
 run/0: ingredient 0 is 0
 mem/0: storing 0 in location 1218
 run/0: instruction channel-full?/10
+run/0: {name: "full", value: 5, type: 1, properties: ["full": "integer"]} <- get {name: "chan", value: 1, type: 2-10, properties: ["chan": "address":"channel", "deref": ]}, {name: "first-full", value: 0, type: 0, properties: ["first-full": "offset"]}
 run/0: ingredient 0 is chan
 mem/0: location 1217 is 1030
 run/0: ingredient 1 is first-full
@@ -446,6 +529,7 @@ mem/0: location 1030 is 1
 run/0: product 0 is 1
 mem/0: storing 1 in location 1221
 run/0: instruction channel-full?/11
+run/0: {name: "result", value: 6, type: 3, properties: ["result": "boolean"]} <- equal {name: "full", value: 5, type: 1, properties: ["full": "integer"]}, {name: "tmp", value: 2, type: 1, properties: ["tmp": "integer"]}
 run/0: ingredient 0 is full
 mem/0: location 1221 is 1
 run/0: ingredient 1 is tmp
@@ -453,6 +537,7 @@ mem/0: location 1218 is 0
 run/0: product 0 is 0
 mem/0: storing 0 in location 1222
 run/0: instruction channel-full?/12
+run/0: reply {name: "result", value: 6, type: 3, properties: ["result": "boolean"]}
 mem/0: location 1222 is 0
 run/0: result 0 is 0
 mem/0: storing 0 in location 3
diff --git a/cpp/.traces/channel-wrap b/cpp/.traces/channel-wrap
index 53e74673..9cc3177f 100644
--- a/cpp/.traces/channel-wrap
+++ b/cpp/.traces/channel-wrap
@@ -50,13 +50,17 @@ after-brace/0: get ...
 new/0: routine allocated memory from 1000 to 101000
 schedule/0: test-channel-wrap
 run/0: instruction test-channel-wrap/0
+run/0: {name: "1", value: 1, type: 2-10, properties: ["1": "address":"channel"]} <- init-channel {name: "1", value: 1, type: 0, properties: ["1": "literal", "capacity": ]}
 run/0: instruction init-channel/0
+run/0: {name: "default-space", value: 0, type: 2-5-1, properties: ["default-space": "address":"array":"location"]} <- new {name: "location", value: 1, type: 0, properties: ["location": "type"]}, {name: "30", value: 30, type: 0, properties: ["30": "literal"]}
 mem/0: array size is 30
 mem/0: new alloc: 1000
 run/0: instruction init-channel/1
+run/0: {name: "result", value: 1, type: 2-10, properties: ["result": "address":"channel"]} <- new {name: "channel", value: 10, type: 0, properties: ["channel": "type"]}
 mem/0: new alloc: 1030
 mem/0: storing 1030 in location 1002
 run/0: instruction init-channel/2
+run/0: {name: "full", value: 2, type: 2-1, properties: ["full": "address":"integer"]} <- get-address {name: "result", value: 1, type: 2-10, properties: ["result": "address":"channel", "deref": ]}, {name: "first-full", value: 0, type: 0, properties: ["first-full": "offset"]}
 run/0: ingredient 0 is result
 mem/0: location 1002 is 1030
 run/0: ingredient 1 is first-full
@@ -64,10 +68,12 @@ run/0: address to copy is 1030
 run/0: product 0 is 1030
 mem/0: storing 1030 in location 1003
 run/0: instruction init-channel/3
+run/0: {name: "full", value: 2, type: 2-1, properties: ["full": "address":"integer", "deref": ]} <- copy {name: "0", value: 0, type: 0, properties: ["0": "literal"]}
 run/0: ingredient 0 is 0
 mem/0: location 1003 is 1030
 mem/0: storing 0 in location 1030
 run/0: instruction init-channel/4
+run/0: {name: "free", value: 3, type: 2-1, properties: ["free": "address":"integer"]} <- get-address {name: "result", value: 1, type: 2-10, properties: ["result": "address":"channel", "deref": ]}, {name: "first-free", value: 1, type: 0, properties: ["first-free": "offset"]}
 run/0: ingredient 0 is result
 mem/0: location 1002 is 1030
 run/0: ingredient 1 is first-free
@@ -75,19 +81,23 @@ run/0: address to copy is 1031
 run/0: product 0 is 1031
 mem/0: storing 1031 in location 1004
 run/0: instruction init-channel/5
+run/0: {name: "free", value: 3, type: 2-1, properties: ["free": "address":"integer", "deref": ]} <- copy {name: "0", value: 0, type: 0, properties: ["0": "literal"]}
 run/0: ingredient 0 is 0
 mem/0: location 1004 is 1031
 mem/0: storing 0 in location 1031
 run/0: instruction init-channel/6
+run/0: {name: "capacity", value: 4, type: 1, properties: ["capacity": "integer"]} <- next-ingredient 
 run/0: product 0 is 1
 mem/0: storing 1 in location 1005
 run/0: instruction init-channel/7
+run/0: {name: "capacity", value: 4, type: 1, properties: ["capacity": "integer"]} <- add {name: "capacity", value: 4, type: 1, properties: ["capacity": "integer"]}, {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: ingredient 0 is capacity
 mem/0: location 1005 is 1
 run/0: ingredient 1 is 1
 run/0: product 0 is 2
 mem/0: storing 2 in location 1005
 run/0: instruction init-channel/8
+run/0: {name: "dest", value: 5, type: 2-2-5-1, properties: ["dest": "address":"address":"array":"location"]} <- get-address {name: "result", value: 1, type: 2-10, properties: ["result": "address":"channel", "deref": ]}, {name: "data", value: 2, type: 0, properties: ["data": "offset"]}
 run/0: ingredient 0 is result
 mem/0: location 1002 is 1030
 run/0: ingredient 1 is data
@@ -95,35 +105,45 @@ run/0: address to copy is 1032
 run/0: product 0 is 1032
 mem/0: storing 1032 in location 1006
 run/0: instruction init-channel/9
+run/0: {name: "dest", value: 5, type: 2-2-5-1, properties: ["dest": "address":"address":"array":"location", "deref": ]} <- new {name: "location", value: 1, type: 0, properties: ["location": "type"]}, {name: "capacity", value: 4, type: 1, properties: ["capacity": "integer"]}
 mem/0: location 1005 is 2
 mem/0: array size is 2
 mem/0: new alloc: 1033
 mem/0: location 1006 is 1032
 mem/0: storing 1033 in location 1032
 run/0: instruction init-channel/10
+run/0: reply {name: "result", value: 1, type: 2-10, properties: ["result": "address":"channel"]}
 mem/0: location 1002 is 1030
 run/0: result 0 is 1030
 mem/0: storing 1030 in location 1
 run/0: instruction test-channel-wrap/1
+run/0: {name: "1", value: 1, type: 2-10, properties: ["1": "address":"channel"]} <- write {name: "1", value: 1, type: 2-10, properties: ["1": "address":"channel"]}, {name: "34", value: 34, type: 0, properties: ["34": "literal"]}
 mem/0: location 1 is 1030
 run/0: instruction write/0
+run/0: {name: "default-space", value: 0, type: 2-5-1, properties: ["default-space": "address":"array":"location"]} <- new {name: "location", value: 1, type: 0, properties: ["location": "type"]}, {name: "30", value: 30, type: 0, properties: ["30": "literal"]}
 mem/0: array size is 30
 mem/0: new alloc: 1035
 run/0: instruction write/1
+run/0: {name: "chan", value: 1, type: 2-10, properties: ["chan": "address":"channel"]} <- next-ingredient 
 run/0: product 0 is 1030
 mem/0: storing 1030 in location 1037
 run/0: instruction write/2
+run/0: {name: "val", value: 2, type: 1, properties: ["val": "location"]} <- next-ingredient 
 run/0: product 0 is 34
 mem/0: storing 34 in location 1038
 run/0: instruction write/4
+run/0: {name: "full", value: 3, type: 3, properties: ["full": "boolean"]} <- channel-full? {name: "chan", value: 1, type: 2-10, properties: ["chan": "address":"channel"]}
 mem/0: location 1037 is 1030
 run/0: instruction channel-full?/0
+run/0: {name: "default-space", value: 0, type: 2-5-1, properties: ["default-space": "address":"array":"location"]} <- new {name: "location", value: 1, type: 0, properties: ["location": "type"]}, {name: "30", value: 30, type: 0, properties: ["30": "literal"]}
 mem/0: array size is 30
 mem/0: new alloc: 1065
 run/0: instruction channel-full?/1
+run/0: {name: "chan", value: 1, type: 2-10, properties: ["chan": "address":"channel"]} <- next-ingredient 
 run/0: product 0 is 1030
 mem/0: storing 1030 in location 1067
 run/0: instruction channel-full?/2
+run/0: {name: "tmp", value: 2, type: 1, properties: ["tmp": "integer"]} <- get {name: "chan", value: 1, type: 2-10, properties: ["chan": "address":"channel", "deref": ]}, {name: "first-free", value: 1, type: 0, properties: ["first-free": "offset"]}
 run/0: ingredient 0 is chan
 mem/0: location 1067 is 1030
 run/0: ingredient 1 is first-free
@@ -133,20 +153,25 @@ mem/0: location 1031 is 0
 run/0: product 0 is 0
 mem/0: storing 0 in location 1068
 run/0: instruction channel-full?/3
+run/0: {name: "tmp", value: 2, type: 1, properties: ["tmp": "integer"]} <- add {name: "tmp", value: 2, type: 1, properties: ["tmp": "integer"]}, {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: ingredient 0 is tmp
 mem/0: location 1068 is 0
 run/0: ingredient 1 is 1
 run/0: product 0 is 1
 mem/0: storing 1 in location 1068
 run/0: instruction channel-full?/5
+run/0: {name: "len", value: 3, type: 1, properties: ["len": "integer"]} <- channel-capacity {name: "chan", value: 1, type: 2-10, properties: ["chan": "address":"channel"]}
 mem/0: location 1067 is 1030
 run/0: instruction channel-capacity/0
+run/0: {name: "default-space", value: 0, type: 2-5-1, properties: ["default-space": "address":"array":"location"]} <- new {name: "location", value: 1, type: 0, properties: ["location": "type"]}, {name: "30", value: 30, type: 0, properties: ["30": "literal"]}
 mem/0: array size is 30
 mem/0: new alloc: 1095
 run/0: instruction channel-capacity/1
+run/0: {name: "chan", value: 1, type: 2-10, properties: ["chan": "address":"channel"]} <- next-ingredient 
 run/0: product 0 is 1030
 mem/0: storing 1030 in location 1097
 run/0: instruction channel-capacity/2
+run/0: {name: "q", value: 2, type: 2-5-1, properties: ["q": "address":"array":"location"]} <- get {name: "chan", value: 1, type: 2-10, properties: ["chan": "address":"channel", "deref": ]}, {name: "data", value: 2, type: 0, properties: ["data": "offset"]}
 run/0: ingredient 0 is chan
 mem/0: location 1097 is 1030
 run/0: ingredient 1 is data
@@ -156,13 +181,16 @@ mem/0: location 1032 is 1033
 run/0: product 0 is 1033
 mem/0: storing 1033 in location 1098
 run/0: instruction channel-capacity/3
+run/0: {name: "result", value: 3, type: 1, properties: ["result": "integer"]} <- length {name: "q", value: 2, type: 2-5-1, properties: ["q": "address":"array":"location", "deref": ]}
 mem/0: location 1098 is 1033
 mem/0: storing 2 in location 1099
 run/0: instruction channel-capacity/4
+run/0: reply {name: "result", value: 3, type: 1, properties: ["result": "integer"]}
 mem/0: location 1099 is 2
 run/0: result 0 is 2
 mem/0: storing 2 in location 1069
 run/0: instruction channel-full?/6
+run/0: {name: "at-end?", value: 4, type: 3, properties: ["at-end?": "boolean"]} <- greater-or-equal {name: "tmp", value: 2, type: 1, properties: ["tmp": "integer"]}, {name: "len", value: 3, type: 1, properties: ["len": "integer"]}
 run/0: ingredient 0 is tmp
 mem/0: location 1068 is 1
 run/0: ingredient 1 is len
@@ -170,11 +198,13 @@ mem/0: location 1069 is 2
 run/0: product 0 is 0
 mem/0: storing 0 in location 1070
 run/0: instruction channel-full?/7
+run/0: break-unless {name: "at-end?", value: 4, type: 3, properties: ["at-end?": "boolean"]}, {name: "", value: 1, type: , properties: ["": ]}
 mem/0: location 1070 is 0
 run/0: ingredient 0 is 0
 run/0: ingredient 1 is 
 run/0: jumping to instruction 9
 run/0: instruction channel-full?/10
+run/0: {name: "full", value: 5, type: 1, properties: ["full": "integer"]} <- get {name: "chan", value: 1, type: 2-10, properties: ["chan": "address":"channel", "deref": ]}, {name: "first-full", value: 0, type: 0, properties: ["first-full": "offset"]}
 run/0: ingredient 0 is chan
 mem/0: location 1067 is 1030
 run/0: ingredient 1 is first-full
@@ -184,6 +214,7 @@ mem/0: location 1030 is 0
 run/0: product 0 is 0
 mem/0: storing 0 in location 1071
 run/0: instruction channel-full?/11
+run/0: {name: "result", value: 6, type: 3, properties: ["result": "boolean"]} <- equal {name: "full", value: 5, type: 1, properties: ["full": "integer"]}, {name: "tmp", value: 2, type: 1, properties: ["tmp": "integer"]}
 run/0: ingredient 0 is full
 mem/0: location 1071 is 0
 run/0: ingredient 1 is tmp
@@ -191,15 +222,18 @@ mem/0: location 1068 is 1
 run/0: product 0 is 0
 mem/0: storing 0 in location 1072
 run/0: instruction channel-full?/12
+run/0: reply {name: "result", value: 6, type: 3, properties: ["result": "boolean"]}
 mem/0: location 1072 is 0
 run/0: result 0 is 0
 mem/0: storing 0 in location 1039
 run/0: instruction write/5
+run/0: break-unless {name: "full", value: 3, type: 3, properties: ["full": "boolean"]}, {name: "", value: 2, type: , properties: ["": ]}
 mem/0: location 1039 is 0
 run/0: ingredient 0 is 0
 run/0: ingredient 1 is 
 run/0: jumping to instruction 8
 run/0: instruction write/9
+run/0: {name: "circular-buffer", value: 5, type: 2-5-1, properties: ["circular-buffer": "address":"array":"location"]} <- get {name: "chan", value: 1, type: 2-10, properties: ["chan": "address":"channel", "deref": ]}, {name: "data", value: 2, type: 0, properties: ["data": "offset"]}
 run/0: ingredient 0 is chan
 mem/0: location 1037 is 1030
 run/0: ingredient 1 is data
@@ -209,6 +243,7 @@ mem/0: location 1032 is 1033
 run/0: product 0 is 1033
 mem/0: storing 1033 in location 1041
 run/0: instruction write/10
+run/0: {name: "free", value: 6, type: 2-1, properties: ["free": "address":"integer"]} <- get-address {name: "chan", value: 1, type: 2-10, properties: ["chan": "address":"channel", "deref": ]}, {name: "first-free", value: 1, type: 0, properties: ["first-free": "offset"]}
 run/0: ingredient 0 is chan
 mem/0: location 1037 is 1030
 run/0: ingredient 1 is first-free
@@ -216,6 +251,7 @@ run/0: address to copy is 1031
 run/0: product 0 is 1031
 mem/0: storing 1031 in location 1042
 run/0: instruction write/11
+run/0: {name: "dest", value: 7, type: 2-1, properties: ["dest": "address":"location"]} <- index-address {name: "circular-buffer", value: 5, type: 2-5-1, properties: ["circular-buffer": "address":"array":"location", "deref": ]}, {name: "free", value: 6, type: 2-1, properties: ["free": "address":"integer", "deref": ]}
 run/0: ingredient 0 is circular-buffer
 mem/0: location 1041 is 1033
 run/0: ingredient 1 is {name: "free", value: 6, type: 2-1, properties: ["free": "address":"integer", "deref": ]}
@@ -225,11 +261,13 @@ run/0: address to copy is 1034
 run/0: product 0 is 1034
 mem/0: storing 1034 in location 1043
 run/0: instruction write/12
+run/0: {name: "dest", value: 7, type: 2-1, properties: ["dest": "address":"location", "deref": ]} <- copy {name: "val", value: 2, type: 1, properties: ["val": "location"]}
 run/0: ingredient 0 is val
 mem/0: location 1038 is 34
 mem/0: location 1043 is 1034
 mem/0: storing 34 in location 1034
 run/0: instruction write/13
+run/0: {name: "free", value: 6, type: 2-1, properties: ["free": "address":"integer", "deref": ]} <- add {name: "free", value: 6, type: 2-1, properties: ["free": "address":"integer", "deref": ]}, {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: ingredient 0 is free
 mem/0: location 1042 is 1031
 mem/0: location 1031 is 0
@@ -238,9 +276,11 @@ run/0: product 0 is 1
 mem/0: location 1042 is 1031
 mem/0: storing 1 in location 1031
 run/0: instruction write/15
+run/0: {name: "len", value: 8, type: 1, properties: ["len": "integer"]} <- length {name: "circular-buffer", value: 5, type: 2-5-1, properties: ["circular-buffer": "address":"array":"location", "deref": ]}
 mem/0: location 1041 is 1033
 mem/0: storing 2 in location 1044
 run/0: instruction write/16
+run/0: {name: "at-end?", value: 9, type: 3, properties: ["at-end?": "boolean"]} <- greater-or-equal {name: "free", value: 6, type: 2-1, properties: ["free": "address":"integer", "deref": ]}, {name: "len", value: 8, type: 1, properties: ["len": "integer"]}
 run/0: ingredient 0 is free
 mem/0: location 1042 is 1031
 mem/0: location 1031 is 1
@@ -249,31 +289,40 @@ mem/0: location 1044 is 2
 run/0: product 0 is 0
 mem/0: storing 0 in location 1045
 run/0: instruction write/17
+run/0: break-unless {name: "at-end?", value: 9, type: 3, properties: ["at-end?": "boolean"]}, {name: "", value: 1, type: , properties: ["": ]}
 mem/0: location 1045 is 0
 run/0: ingredient 0 is 0
 run/0: ingredient 1 is 
 run/0: jumping to instruction 19
 run/0: instruction write/20
+run/0: reply {name: "chan", value: 1, type: 2-10, properties: ["chan": "address":"channel", "same-as-ingredient": "0"]}
 mem/0: location 1037 is 1030
 run/0: result 0 is 1030
 mem/0: storing 1030 in location 1
 run/0: instruction test-channel-wrap/2
+run/0: {name: "_", value: 0, type: 0, properties: ["_": "dummy"]}, {name: "1", value: 1, type: 2-10, properties: ["1": "address":"channel"]} <- read {name: "1", value: 1, type: 2-10, properties: ["1": "address":"channel"]}
 mem/0: location 1 is 1030
 run/0: instruction read/0
+run/0: {name: "default-space", value: 0, type: 2-5-1, properties: ["default-space": "address":"array":"location"]} <- new {name: "location", value: 1, type: 0, properties: ["location": "type"]}, {name: "30", value: 30, type: 0, properties: ["30": "literal"]}
 mem/0: array size is 30
 mem/0: new alloc: 1125
 run/0: instruction read/1
+run/0: {name: "chan", value: 1, type: 2-10, properties: ["chan": "address":"channel"]} <- next-ingredient 
 run/0: product 0 is 1030
 mem/0: storing 1030 in location 1127
 run/0: instruction read/3
+run/0: {name: "empty", value: 2, type: 3, properties: ["empty": "boolean"]} <- channel-empty? {name: "chan", value: 1, type: 2-10, properties: ["chan": "address":"channel"]}
 mem/0: location 1127 is 1030
 run/0: instruction channel-empty?/0
+run/0: {name: "default-space", value: 0, type: 2-5-1, properties: ["default-space": "address":"array":"location"]} <- new {name: "location", value: 1, type: 0, properties: ["location": "type"]}, {name: "30", value: 30, type: 0, properties: ["30": "literal"]}
 mem/0: array size is 30
 mem/0: new alloc: 1155
 run/0: instruction channel-empty?/1
+run/0: {name: "chan", value: 1, type: 2-10, properties: ["chan": "address":"channel"]} <- next-ingredient 
 run/0: product 0 is 1030
 mem/0: storing 1030 in location 1157
 run/0: instruction channel-empty?/2
+run/0: {name: "full", value: 2, type: 1, properties: ["full": "integer"]} <- get {name: "chan", value: 1, type: 2-10, properties: ["chan": "address":"channel", "deref": ]}, {name: "first-full", value: 0, type: 0, properties: ["first-full": "offset"]}
 run/0: ingredient 0 is chan
 mem/0: location 1157 is 1030
 run/0: ingredient 1 is first-full
@@ -283,6 +332,7 @@ mem/0: location 1030 is 0
 run/0: product 0 is 0
 mem/0: storing 0 in location 1158
 run/0: instruction channel-empty?/3
+run/0: {name: "free", value: 3, type: 1, properties: ["free": "integer"]} <- get {name: "chan", value: 1, type: 2-10, properties: ["chan": "address":"channel", "deref": ]}, {name: "first-free", value: 1, type: 0, properties: ["first-free": "offset"]}
 run/0: ingredient 0 is chan
 mem/0: location 1157 is 1030
 run/0: ingredient 1 is first-free
@@ -292,6 +342,7 @@ mem/0: location 1031 is 1
 run/0: product 0 is 1
 mem/0: storing 1 in location 1159
 run/0: instruction channel-empty?/4
+run/0: {name: "result", value: 4, type: 3, properties: ["result": "boolean"]} <- equal {name: "full", value: 2, type: 1, properties: ["full": "integer"]}, {name: "free", value: 3, type: 1, properties: ["free": "integer"]}
 run/0: ingredient 0 is full
 mem/0: location 1158 is 0
 run/0: ingredient 1 is free
@@ -299,15 +350,18 @@ mem/0: location 1159 is 1
 run/0: product 0 is 0
 mem/0: storing 0 in location 1160
 run/0: instruction channel-empty?/5
+run/0: reply {name: "result", value: 4, type: 3, properties: ["result": "boolean"]}
 mem/0: location 1160 is 0
 run/0: result 0 is 0
 mem/0: storing 0 in location 1128
 run/0: instruction read/4
+run/0: break-unless {name: "empty", value: 2, type: 3, properties: ["empty": "boolean"]}, {name: "", value: 2, type: , properties: ["": ]}
 mem/0: location 1128 is 0
 run/0: ingredient 0 is 0
 run/0: ingredient 1 is 
 run/0: jumping to instruction 7
 run/0: instruction read/8
+run/0: {name: "full", value: 4, type: 2-1, properties: ["full": "address":"integer"]} <- get-address {name: "chan", value: 1, type: 2-10, properties: ["chan": "address":"channel", "deref": ]}, {name: "first-full", value: 0, type: 0, properties: ["first-full": "offset"]}
 run/0: ingredient 0 is chan
 mem/0: location 1127 is 1030
 run/0: ingredient 1 is first-full
@@ -315,6 +369,7 @@ run/0: address to copy is 1030
 run/0: product 0 is 1030
 mem/0: storing 1030 in location 1130
 run/0: instruction read/9
+run/0: {name: "circular-buffer", value: 5, type: 2-5-1, properties: ["circular-buffer": "address":"array":"location"]} <- get {name: "chan", value: 1, type: 2-10, properties: ["chan": "address":"channel", "deref": ]}, {name: "data", value: 2, type: 0, properties: ["data": "offset"]}
 run/0: ingredient 0 is chan
 mem/0: location 1127 is 1030
 run/0: ingredient 1 is data
@@ -324,6 +379,7 @@ mem/0: location 1032 is 1033
 run/0: product 0 is 1033
 mem/0: storing 1033 in location 1131
 run/0: instruction read/10
+run/0: {name: "result", value: 6, type: 1, properties: ["result": "location"]} <- index {name: "circular-buffer", value: 5, type: 2-5-1, properties: ["circular-buffer": "address":"array":"location", "deref": ]}, {name: "full", value: 4, type: 2-1, properties: ["full": "address":"integer", "deref": ]}
 run/0: ingredient 0 is {name: "circular-buffer", value: 5, type: 2-5-1, properties: ["circular-buffer": "address":"array":"location", "deref": ]}
 mem/0: location 1131 is 1033
 run/0: ingredient 1 is {name: "full", value: 4, type: 2-1, properties: ["full": "address":"integer", "deref": ]}
@@ -335,6 +391,7 @@ mem/0: location 1034 is 34
 run/0: product 0 is 34
 mem/0: storing 34 in location 1132
 run/0: instruction read/11
+run/0: {name: "full", value: 4, type: 2-1, properties: ["full": "address":"integer", "deref": ]} <- add {name: "full", value: 4, type: 2-1, properties: ["full": "address":"integer", "deref": ]}, {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: ingredient 0 is full
 mem/0: location 1130 is 1030
 mem/0: location 1030 is 0
@@ -343,9 +400,11 @@ run/0: product 0 is 1
 mem/0: location 1130 is 1030
 mem/0: storing 1 in location 1030
 run/0: instruction read/13
+run/0: {name: "len", value: 7, type: 1, properties: ["len": "integer"]} <- length {name: "circular-buffer", value: 5, type: 2-5-1, properties: ["circular-buffer": "address":"array":"location", "deref": ]}
 mem/0: location 1131 is 1033
 mem/0: storing 2 in location 1133
 run/0: instruction read/14
+run/0: {name: "at-end?", value: 8, type: 3, properties: ["at-end?": "boolean"]} <- greater-or-equal {name: "full", value: 4, type: 2-1, properties: ["full": "address":"integer", "deref": ]}, {name: "len", value: 7, type: 1, properties: ["len": "integer"]}
 run/0: ingredient 0 is full
 mem/0: location 1130 is 1030
 mem/0: location 1030 is 1
@@ -354,17 +413,20 @@ mem/0: location 1133 is 2
 run/0: product 0 is 0
 mem/0: storing 0 in location 1134
 run/0: instruction read/15
+run/0: break-unless {name: "at-end?", value: 8, type: 3, properties: ["at-end?": "boolean"]}, {name: "", value: 1, type: , properties: ["": ]}
 mem/0: location 1134 is 0
 run/0: ingredient 0 is 0
 run/0: ingredient 1 is 
 run/0: jumping to instruction 17
 run/0: instruction read/18
+run/0: reply {name: "result", value: 6, type: 1, properties: ["result": "location"]}, {name: "chan", value: 1, type: 2-10, properties: ["chan": "address":"channel", "same-as-ingredient": "0"]}
 mem/0: location 1132 is 34
 mem/0: location 1127 is 1030
 run/0: result 0 is 34
 run/0: result 1 is 1030
 mem/0: storing 1030 in location 1
 run/0: instruction test-channel-wrap/3
+run/0: {name: "2", value: 2, type: 1, properties: ["2": "integer"]} <- get {name: "1", value: 1, type: 2-10, properties: ["1": "address":"channel", "deref": ]}, {name: "first-free", value: 1, type: 0, properties: ["first-free": "offset"]}
 run/0: ingredient 0 is 1
 mem/0: location 1 is 1030
 run/0: ingredient 1 is first-free
@@ -374,6 +436,7 @@ mem/0: location 1031 is 1
 run/0: product 0 is 1
 mem/0: storing 1 in location 2
 run/0: instruction test-channel-wrap/4
+run/0: {name: "3", value: 3, type: 1, properties: ["3": "integer"]} <- get {name: "1", value: 1, type: 2-10, properties: ["1": "address":"channel", "deref": ]}, {name: "first-free", value: 1, type: 0, properties: ["first-free": "offset"]}
 run/0: ingredient 0 is 1
 mem/0: location 1 is 1030
 run/0: ingredient 1 is first-free
@@ -383,25 +446,33 @@ mem/0: location 1031 is 1
 run/0: product 0 is 1
 mem/0: storing 1 in location 3
 run/0: instruction test-channel-wrap/5
+run/0: {name: "1", value: 1, type: 2-10, properties: ["1": "address":"channel"]} <- write {name: "1", value: 1, type: 2-10, properties: ["1": "address":"channel"]}, {name: "34", value: 34, type: 0, properties: ["34": "literal"]}
 mem/0: location 1 is 1030
 run/0: instruction write/0
+run/0: {name: "default-space", value: 0, type: 2-5-1, properties: ["default-space": "address":"array":"location"]} <- new {name: "location", value: 1, type: 0, properties: ["location": "type"]}, {name: "30", value: 30, type: 0, properties: ["30": "literal"]}
 mem/0: array size is 30
 mem/0: new alloc: 1185
 run/0: instruction write/1
+run/0: {name: "chan", value: 1, type: 2-10, properties: ["chan": "address":"channel"]} <- next-ingredient 
 run/0: product 0 is 1030
 mem/0: storing 1030 in location 1187
 run/0: instruction write/2
+run/0: {name: "val", value: 2, type: 1, properties: ["val": "location"]} <- next-ingredient 
 run/0: product 0 is 34
 mem/0: storing 34 in location 1188
 run/0: instruction write/4
+run/0: {name: "full", value: 3, type: 3, properties: ["full": "boolean"]} <- channel-full? {name: "chan", value: 1, type: 2-10, properties: ["chan": "address":"channel"]}
 mem/0: location 1187 is 1030
 run/0: instruction channel-full?/0
+run/0: {name: "default-space", value: 0, type: 2-5-1, properties: ["default-space": "address":"array":"location"]} <- new {name: "location", value: 1, type: 0, properties: ["location": "type"]}, {name: "30", value: 30, type: 0, properties: ["30": "literal"]}
 mem/0: array size is 30
 mem/0: new alloc: 1215
 run/0: instruction channel-full?/1
+run/0: {name: "chan", value: 1, type: 2-10, properties: ["chan": "address":"channel"]} <- next-ingredient 
 run/0: product 0 is 1030
 mem/0: storing 1030 in location 1217
 run/0: instruction channel-full?/2
+run/0: {name: "tmp", value: 2, type: 1, properties: ["tmp": "integer"]} <- get {name: "chan", value: 1, type: 2-10, properties: ["chan": "address":"channel", "deref": ]}, {name: "first-free", value: 1, type: 0, properties: ["first-free": "offset"]}
 run/0: ingredient 0 is chan
 mem/0: location 1217 is 1030
 run/0: ingredient 1 is first-free
@@ -411,20 +482,25 @@ mem/0: location 1031 is 1
 run/0: product 0 is 1
 mem/0: storing 1 in location 1218
 run/0: instruction channel-full?/3
+run/0: {name: "tmp", value: 2, type: 1, properties: ["tmp": "integer"]} <- add {name: "tmp", value: 2, type: 1, properties: ["tmp": "integer"]}, {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: ingredient 0 is tmp
 mem/0: location 1218 is 1
 run/0: ingredient 1 is 1
 run/0: product 0 is 2
 mem/0: storing 2 in location 1218
 run/0: instruction channel-full?/5
+run/0: {name: "len", value: 3, type: 1, properties: ["len": "integer"]} <- channel-capacity {name: "chan", value: 1, type: 2-10, properties: ["chan": "address":"channel"]}
 mem/0: location 1217 is 1030
 run/0: instruction channel-capacity/0
+run/0: {name: "default-space", value: 0, type: 2-5-1, properties: ["default-space": "address":"array":"location"]} <- new {name: "location", value: 1, type: 0, properties: ["location": "type"]}, {name: "30", value: 30, type: 0, properties: ["30": "literal"]}
 mem/0: array size is 30
 mem/0: new alloc: 1245
 run/0: instruction channel-capacity/1
+run/0: {name: "chan", value: 1, type: 2-10, properties: ["chan": "address":"channel"]} <- next-ingredient 
 run/0: product 0 is 1030
 mem/0: storing 1030 in location 1247
 run/0: instruction channel-capacity/2
+run/0: {name: "q", value: 2, type: 2-5-1, properties: ["q": "address":"array":"location"]} <- get {name: "chan", value: 1, type: 2-10, properties: ["chan": "address":"channel", "deref": ]}, {name: "data", value: 2, type: 0, properties: ["data": "offset"]}
 run/0: ingredient 0 is chan
 mem/0: location 1247 is 1030
 run/0: ingredient 1 is data
@@ -434,13 +510,16 @@ mem/0: location 1032 is 1033
 run/0: product 0 is 1033
 mem/0: storing 1033 in location 1248
 run/0: instruction channel-capacity/3
+run/0: {name: "result", value: 3, type: 1, properties: ["result": "integer"]} <- length {name: "q", value: 2, type: 2-5-1, properties: ["q": "address":"array":"location", "deref": ]}
 mem/0: location 1248 is 1033
 mem/0: storing 2 in location 1249
 run/0: instruction channel-capacity/4
+run/0: reply {name: "result", value: 3, type: 1, properties: ["result": "integer"]}
 mem/0: location 1249 is 2
 run/0: result 0 is 2
 mem/0: storing 2 in location 1219
 run/0: instruction channel-full?/6
+run/0: {name: "at-end?", value: 4, type: 3, properties: ["at-end?": "boolean"]} <- greater-or-equal {name: "tmp", value: 2, type: 1, properties: ["tmp": "integer"]}, {name: "len", value: 3, type: 1, properties: ["len": "integer"]}
 run/0: ingredient 0 is tmp
 mem/0: location 1218 is 2
 run/0: ingredient 1 is len
@@ -448,13 +527,16 @@ mem/0: location 1219 is 2
 run/0: product 0 is 1
 mem/0: storing 1 in location 1220
 run/0: instruction channel-full?/7
+run/0: break-unless {name: "at-end?", value: 4, type: 3, properties: ["at-end?": "boolean"]}, {name: "", value: 1, type: , properties: ["": ]}
 mem/0: location 1220 is 1
 run/0: ingredient 0 is 1
 run/0: jump-unless fell through
 run/0: instruction channel-full?/8
+run/0: {name: "tmp", value: 2, type: 1, properties: ["tmp": "integer"]} <- copy {name: "0", value: 0, type: 0, properties: ["0": "literal"]}
 run/0: ingredient 0 is 0
 mem/0: storing 0 in location 1218
 run/0: instruction channel-full?/10
+run/0: {name: "full", value: 5, type: 1, properties: ["full": "integer"]} <- get {name: "chan", value: 1, type: 2-10, properties: ["chan": "address":"channel", "deref": ]}, {name: "first-full", value: 0, type: 0, properties: ["first-full": "offset"]}
 run/0: ingredient 0 is chan
 mem/0: location 1217 is 1030
 run/0: ingredient 1 is first-full
@@ -464,6 +546,7 @@ mem/0: location 1030 is 1
 run/0: product 0 is 1
 mem/0: storing 1 in location 1221
 run/0: instruction channel-full?/11
+run/0: {name: "result", value: 6, type: 3, properties: ["result": "boolean"]} <- equal {name: "full", value: 5, type: 1, properties: ["full": "integer"]}, {name: "tmp", value: 2, type: 1, properties: ["tmp": "integer"]}
 run/0: ingredient 0 is full
 mem/0: location 1221 is 1
 run/0: ingredient 1 is tmp
@@ -471,15 +554,18 @@ mem/0: location 1218 is 0
 run/0: product 0 is 0
 mem/0: storing 0 in location 1222
 run/0: instruction channel-full?/12
+run/0: reply {name: "result", value: 6, type: 3, properties: ["result": "boolean"]}
 mem/0: location 1222 is 0
 run/0: result 0 is 0
 mem/0: storing 0 in location 1189
 run/0: instruction write/5
+run/0: break-unless {name: "full", value: 3, type: 3, properties: ["full": "boolean"]}, {name: "", value: 2, type: , properties: ["": ]}
 mem/0: location 1189 is 0
 run/0: ingredient 0 is 0
 run/0: ingredient 1 is 
 run/0: jumping to instruction 8
 run/0: instruction write/9
+run/0: {name: "circular-buffer", value: 5, type: 2-5-1, properties: ["circular-buffer": "address":"array":"location"]} <- get {name: "chan", value: 1, type: 2-10, properties: ["chan": "address":"channel", "deref": ]}, {name: "data", value: 2, type: 0, properties: ["data": "offset"]}
 run/0: ingredient 0 is chan
 mem/0: location 1187 is 1030
 run/0: ingredient 1 is data
@@ -489,6 +575,7 @@ mem/0: location 1032 is 1033
 run/0: product 0 is 1033
 mem/0: storing 1033 in location 1191
 run/0: instruction write/10
+run/0: {name: "free", value: 6, type: 2-1, properties: ["free": "address":"integer"]} <- get-address {name: "chan", value: 1, type: 2-10, properties: ["chan": "address":"channel", "deref": ]}, {name: "first-free", value: 1, type: 0, properties: ["first-free": "offset"]}
 run/0: ingredient 0 is chan
 mem/0: location 1187 is 1030
 run/0: ingredient 1 is first-free
@@ -496,6 +583,7 @@ run/0: address to copy is 1031
 run/0: product 0 is 1031
 mem/0: storing 1031 in location 1192
 run/0: instruction write/11
+run/0: {name: "dest", value: 7, type: 2-1, properties: ["dest": "address":"location"]} <- index-address {name: "circular-buffer", value: 5, type: 2-5-1, properties: ["circular-buffer": "address":"array":"location", "deref": ]}, {name: "free", value: 6, type: 2-1, properties: ["free": "address":"integer", "deref": ]}
 run/0: ingredient 0 is circular-buffer
 mem/0: location 1191 is 1033
 run/0: ingredient 1 is {name: "free", value: 6, type: 2-1, properties: ["free": "address":"integer", "deref": ]}
@@ -505,11 +593,13 @@ run/0: address to copy is 1035
 run/0: product 0 is 1035
 mem/0: storing 1035 in location 1193
 run/0: instruction write/12
+run/0: {name: "dest", value: 7, type: 2-1, properties: ["dest": "address":"location", "deref": ]} <- copy {name: "val", value: 2, type: 1, properties: ["val": "location"]}
 run/0: ingredient 0 is val
 mem/0: location 1188 is 34
 mem/0: location 1193 is 1035
 mem/0: storing 34 in location 1035
 run/0: instruction write/13
+run/0: {name: "free", value: 6, type: 2-1, properties: ["free": "address":"integer", "deref": ]} <- add {name: "free", value: 6, type: 2-1, properties: ["free": "address":"integer", "deref": ]}, {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: ingredient 0 is free
 mem/0: location 1192 is 1031
 mem/0: location 1031 is 1
@@ -518,9 +608,11 @@ run/0: product 0 is 2
 mem/0: location 1192 is 1031
 mem/0: storing 2 in location 1031
 run/0: instruction write/15
+run/0: {name: "len", value: 8, type: 1, properties: ["len": "integer"]} <- length {name: "circular-buffer", value: 5, type: 2-5-1, properties: ["circular-buffer": "address":"array":"location", "deref": ]}
 mem/0: location 1191 is 1033
 mem/0: storing 2 in location 1194
 run/0: instruction write/16
+run/0: {name: "at-end?", value: 9, type: 3, properties: ["at-end?": "boolean"]} <- greater-or-equal {name: "free", value: 6, type: 2-1, properties: ["free": "address":"integer", "deref": ]}, {name: "len", value: 8, type: 1, properties: ["len": "integer"]}
 run/0: ingredient 0 is free
 mem/0: location 1192 is 1031
 mem/0: location 1031 is 2
@@ -529,18 +621,22 @@ mem/0: location 1194 is 2
 run/0: product 0 is 1
 mem/0: storing 1 in location 1195
 run/0: instruction write/17
+run/0: break-unless {name: "at-end?", value: 9, type: 3, properties: ["at-end?": "boolean"]}, {name: "", value: 1, type: , properties: ["": ]}
 mem/0: location 1195 is 1
 run/0: ingredient 0 is 1
 run/0: jump-unless fell through
 run/0: instruction write/18
+run/0: {name: "free", value: 6, type: 2-1, properties: ["free": "address":"integer", "deref": ]} <- copy {name: "0", value: 0, type: 0, properties: ["0": "literal"]}
 run/0: ingredient 0 is 0
 mem/0: location 1192 is 1031
 mem/0: storing 0 in location 1031
 run/0: instruction write/20
+run/0: reply {name: "chan", value: 1, type: 2-10, properties: ["chan": "address":"channel", "same-as-ingredient": "0"]}
 mem/0: location 1187 is 1030
 run/0: result 0 is 1030
 mem/0: storing 1030 in location 1
 run/0: instruction test-channel-wrap/6
+run/0: {name: "4", value: 4, type: 1, properties: ["4": "integer"]} <- get {name: "1", value: 1, type: 2-10, properties: ["1": "address":"channel", "deref": ]}, {name: "first-free", value: 1, type: 0, properties: ["first-free": "offset"]}
 run/0: ingredient 0 is 1
 mem/0: location 1 is 1030
 run/0: ingredient 1 is first-free
@@ -550,22 +646,29 @@ mem/0: location 1031 is 0
 run/0: product 0 is 0
 mem/0: storing 0 in location 4
 run/0: instruction test-channel-wrap/7
+run/0: {name: "_", value: 0, type: 0, properties: ["_": "dummy"]}, {name: "1", value: 1, type: 2-10, properties: ["1": "address":"channel"]} <- read {name: "1", value: 1, type: 2-10, properties: ["1": "address":"channel"]}
 mem/0: location 1 is 1030
 run/0: instruction read/0
+run/0: {name: "default-space", value: 0, type: 2-5-1, properties: ["default-space": "address":"array":"location"]} <- new {name: "location", value: 1, type: 0, properties: ["location": "type"]}, {name: "30", value: 30, type: 0, properties: ["30": "literal"]}
 mem/0: array size is 30
 mem/0: new alloc: 1275
 run/0: instruction read/1
+run/0: {name: "chan", value: 1, type: 2-10, properties: ["chan": "address":"channel"]} <- next-ingredient 
 run/0: product 0 is 1030
 mem/0: storing 1030 in location 1277
 run/0: instruction read/3
+run/0: {name: "empty", value: 2, type: 3, properties: ["empty": "boolean"]} <- channel-empty? {name: "chan", value: 1, type: 2-10, properties: ["chan": "address":"channel"]}
 mem/0: location 1277 is 1030
 run/0: instruction channel-empty?/0
+run/0: {name: "default-space", value: 0, type: 2-5-1, properties: ["default-space": "address":"array":"location"]} <- new {name: "location", value: 1, type: 0, properties: ["location": "type"]}, {name: "30", value: 30, type: 0, properties: ["30": "literal"]}
 mem/0: array size is 30
 mem/0: new alloc: 1305
 run/0: instruction channel-empty?/1
+run/0: {name: "chan", value: 1, type: 2-10, properties: ["chan": "address":"channel"]} <- next-ingredient 
 run/0: product 0 is 1030
 mem/0: storing 1030 in location 1307
 run/0: instruction channel-empty?/2
+run/0: {name: "full", value: 2, type: 1, properties: ["full": "integer"]} <- get {name: "chan", value: 1, type: 2-10, properties: ["chan": "address":"channel", "deref": ]}, {name: "first-full", value: 0, type: 0, properties: ["first-full": "offset"]}
 run/0: ingredient 0 is chan
 mem/0: location 1307 is 1030
 run/0: ingredient 1 is first-full
@@ -575,6 +678,7 @@ mem/0: location 1030 is 1
 run/0: product 0 is 1
 mem/0: storing 1 in location 1308
 run/0: instruction channel-empty?/3
+run/0: {name: "free", value: 3, type: 1, properties: ["free": "integer"]} <- get {name: "chan", value: 1, type: 2-10, properties: ["chan": "address":"channel", "deref": ]}, {name: "first-free", value: 1, type: 0, properties: ["first-free": "offset"]}
 run/0: ingredient 0 is chan
 mem/0: location 1307 is 1030
 run/0: ingredient 1 is first-free
@@ -584,6 +688,7 @@ mem/0: location 1031 is 0
 run/0: product 0 is 0
 mem/0: storing 0 in location 1309
 run/0: instruction channel-empty?/4
+run/0: {name: "result", value: 4, type: 3, properties: ["result": "boolean"]} <- equal {name: "full", value: 2, type: 1, properties: ["full": "integer"]}, {name: "free", value: 3, type: 1, properties: ["free": "integer"]}
 run/0: ingredient 0 is full
 mem/0: location 1308 is 1
 run/0: ingredient 1 is free
@@ -591,15 +696,18 @@ mem/0: location 1309 is 0
 run/0: product 0 is 0
 mem/0: storing 0 in location 1310
 run/0: instruction channel-empty?/5
+run/0: reply {name: "result", value: 4, type: 3, properties: ["result": "boolean"]}
 mem/0: location 1310 is 0
 run/0: result 0 is 0
 mem/0: storing 0 in location 1278
 run/0: instruction read/4
+run/0: break-unless {name: "empty", value: 2, type: 3, properties: ["empty": "boolean"]}, {name: "", value: 2, type: , properties: ["": ]}
 mem/0: location 1278 is 0
 run/0: ingredient 0 is 0
 run/0: ingredient 1 is 
 run/0: jumping to instruction 7
 run/0: instruction read/8
+run/0: {name: "full", value: 4, type: 2-1, properties: ["full": "address":"integer"]} <- get-address {name: "chan", value: 1, type: 2-10, properties: ["chan": "address":"channel", "deref": ]}, {name: "first-full", value: 0, type: 0, properties: ["first-full": "offset"]}
 run/0: ingredient 0 is chan
 mem/0: location 1277 is 1030
 run/0: ingredient 1 is first-full
@@ -607,6 +715,7 @@ run/0: address to copy is 1030
 run/0: product 0 is 1030
 mem/0: storing 1030 in location 1280
 run/0: instruction read/9
+run/0: {name: "circular-buffer", value: 5, type: 2-5-1, properties: ["circular-buffer": "address":"array":"location"]} <- get {name: "chan", value: 1, type: 2-10, properties: ["chan": "address":"channel", "deref": ]}, {name: "data", value: 2, type: 0, properties: ["data": "offset"]}
 run/0: ingredient 0 is chan
 mem/0: location 1277 is 1030
 run/0: ingredient 1 is data
@@ -616,6 +725,7 @@ mem/0: location 1032 is 1033
 run/0: product 0 is 1033
 mem/0: storing 1033 in location 1281
 run/0: instruction read/10
+run/0: {name: "result", value: 6, type: 1, properties: ["result": "location"]} <- index {name: "circular-buffer", value: 5, type: 2-5-1, properties: ["circular-buffer": "address":"array":"location", "deref": ]}, {name: "full", value: 4, type: 2-1, properties: ["full": "address":"integer", "deref": ]}
 run/0: ingredient 0 is {name: "circular-buffer", value: 5, type: 2-5-1, properties: ["circular-buffer": "address":"array":"location", "deref": ]}
 mem/0: location 1281 is 1033
 run/0: ingredient 1 is {name: "full", value: 4, type: 2-1, properties: ["full": "address":"integer", "deref": ]}
@@ -627,6 +737,7 @@ mem/0: location 1035 is 34
 run/0: product 0 is 34
 mem/0: storing 34 in location 1282
 run/0: instruction read/11
+run/0: {name: "full", value: 4, type: 2-1, properties: ["full": "address":"integer", "deref": ]} <- add {name: "full", value: 4, type: 2-1, properties: ["full": "address":"integer", "deref": ]}, {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: ingredient 0 is full
 mem/0: location 1280 is 1030
 mem/0: location 1030 is 1
@@ -635,9 +746,11 @@ run/0: product 0 is 2
 mem/0: location 1280 is 1030
 mem/0: storing 2 in location 1030
 run/0: instruction read/13
+run/0: {name: "len", value: 7, type: 1, properties: ["len": "integer"]} <- length {name: "circular-buffer", value: 5, type: 2-5-1, properties: ["circular-buffer": "address":"array":"location", "deref": ]}
 mem/0: location 1281 is 1033
 mem/0: storing 2 in location 1283
 run/0: instruction read/14
+run/0: {name: "at-end?", value: 8, type: 3, properties: ["at-end?": "boolean"]} <- greater-or-equal {name: "full", value: 4, type: 2-1, properties: ["full": "address":"integer", "deref": ]}, {name: "len", value: 7, type: 1, properties: ["len": "integer"]}
 run/0: ingredient 0 is full
 mem/0: location 1280 is 1030
 mem/0: location 1030 is 2
@@ -646,20 +759,24 @@ mem/0: location 1283 is 2
 run/0: product 0 is 1
 mem/0: storing 1 in location 1284
 run/0: instruction read/15
+run/0: break-unless {name: "at-end?", value: 8, type: 3, properties: ["at-end?": "boolean"]}, {name: "", value: 1, type: , properties: ["": ]}
 mem/0: location 1284 is 1
 run/0: ingredient 0 is 1
 run/0: jump-unless fell through
 run/0: instruction read/16
+run/0: {name: "full", value: 4, type: 2-1, properties: ["full": "address":"integer", "deref": ]} <- copy {name: "0", value: 0, type: 0, properties: ["0": "literal"]}
 run/0: ingredient 0 is 0
 mem/0: location 1280 is 1030
 mem/0: storing 0 in location 1030
 run/0: instruction read/18
+run/0: reply {name: "result", value: 6, type: 1, properties: ["result": "location"]}, {name: "chan", value: 1, type: 2-10, properties: ["chan": "address":"channel", "same-as-ingredient": "0"]}
 mem/0: location 1282 is 34
 mem/0: location 1277 is 1030
 run/0: result 0 is 34
 run/0: result 1 is 1030
 mem/0: storing 1030 in location 1
 run/0: instruction test-channel-wrap/8
+run/0: {name: "5", value: 5, type: 1, properties: ["5": "integer"]} <- get {name: "1", value: 1, type: 2-10, properties: ["1": "address":"channel", "deref": ]}, {name: "first-full", value: 0, type: 0, properties: ["first-full": "offset"]}
 run/0: ingredient 0 is 1
 mem/0: location 1 is 1030
 run/0: ingredient 1 is first-full
diff --git a/cpp/.traces/channel-write-full b/cpp/.traces/channel-write-full
index 857b4756..fe81114d 100644
--- a/cpp/.traces/channel-write-full
+++ b/cpp/.traces/channel-write-full
@@ -19,13 +19,17 @@ after-brace/0: channel-full? ...
 new/0: routine allocated memory from 1000 to 101000
 schedule/0: test-channel-write-full
 run/0: instruction test-channel-write-full/0
+run/0: {name: "1", value: 1, type: 2-10, properties: ["1": "address":"channel"]} <- init-channel {name: "1", value: 1, type: 0, properties: ["1": "literal", "capacity": ]}
 run/0: instruction init-channel/0
+run/0: {name: "default-space", value: 0, type: 2-5-1, properties: ["default-space": "address":"array":"location"]} <- new {name: "location", value: 1, type: 0, properties: ["location": "type"]}, {name: "30", value: 30, type: 0, properties: ["30": "literal"]}
 mem/0: array size is 30
 mem/0: new alloc: 1000
 run/0: instruction init-channel/1
+run/0: {name: "result", value: 1, type: 2-10, properties: ["result": "address":"channel"]} <- new {name: "channel", value: 10, type: 0, properties: ["channel": "type"]}
 mem/0: new alloc: 1030
 mem/0: storing 1030 in location 1002
 run/0: instruction init-channel/2
+run/0: {name: "full", value: 2, type: 2-1, properties: ["full": "address":"integer"]} <- get-address {name: "result", value: 1, type: 2-10, properties: ["result": "address":"channel", "deref": ]}, {name: "first-full", value: 0, type: 0, properties: ["first-full": "offset"]}
 run/0: ingredient 0 is result
 mem/0: location 1002 is 1030
 run/0: ingredient 1 is first-full
@@ -33,10 +37,12 @@ run/0: address to copy is 1030
 run/0: product 0 is 1030
 mem/0: storing 1030 in location 1003
 run/0: instruction init-channel/3
+run/0: {name: "full", value: 2, type: 2-1, properties: ["full": "address":"integer", "deref": ]} <- copy {name: "0", value: 0, type: 0, properties: ["0": "literal"]}
 run/0: ingredient 0 is 0
 mem/0: location 1003 is 1030
 mem/0: storing 0 in location 1030
 run/0: instruction init-channel/4
+run/0: {name: "free", value: 3, type: 2-1, properties: ["free": "address":"integer"]} <- get-address {name: "result", value: 1, type: 2-10, properties: ["result": "address":"channel", "deref": ]}, {name: "first-free", value: 1, type: 0, properties: ["first-free": "offset"]}
 run/0: ingredient 0 is result
 mem/0: location 1002 is 1030
 run/0: ingredient 1 is first-free
@@ -44,19 +50,23 @@ run/0: address to copy is 1031
 run/0: product 0 is 1031
 mem/0: storing 1031 in location 1004
 run/0: instruction init-channel/5
+run/0: {name: "free", value: 3, type: 2-1, properties: ["free": "address":"integer", "deref": ]} <- copy {name: "0", value: 0, type: 0, properties: ["0": "literal"]}
 run/0: ingredient 0 is 0
 mem/0: location 1004 is 1031
 mem/0: storing 0 in location 1031
 run/0: instruction init-channel/6
+run/0: {name: "capacity", value: 4, type: 1, properties: ["capacity": "integer"]} <- next-ingredient 
 run/0: product 0 is 1
 mem/0: storing 1 in location 1005
 run/0: instruction init-channel/7
+run/0: {name: "capacity", value: 4, type: 1, properties: ["capacity": "integer"]} <- add {name: "capacity", value: 4, type: 1, properties: ["capacity": "integer"]}, {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: ingredient 0 is capacity
 mem/0: location 1005 is 1
 run/0: ingredient 1 is 1
 run/0: product 0 is 2
 mem/0: storing 2 in location 1005
 run/0: instruction init-channel/8
+run/0: {name: "dest", value: 5, type: 2-2-5-1, properties: ["dest": "address":"address":"array":"location"]} <- get-address {name: "result", value: 1, type: 2-10, properties: ["result": "address":"channel", "deref": ]}, {name: "data", value: 2, type: 0, properties: ["data": "offset"]}
 run/0: ingredient 0 is result
 mem/0: location 1002 is 1030
 run/0: ingredient 1 is data
@@ -64,35 +74,45 @@ run/0: address to copy is 1032
 run/0: product 0 is 1032
 mem/0: storing 1032 in location 1006
 run/0: instruction init-channel/9
+run/0: {name: "dest", value: 5, type: 2-2-5-1, properties: ["dest": "address":"address":"array":"location", "deref": ]} <- new {name: "location", value: 1, type: 0, properties: ["location": "type"]}, {name: "capacity", value: 4, type: 1, properties: ["capacity": "integer"]}
 mem/0: location 1005 is 2
 mem/0: array size is 2
 mem/0: new alloc: 1033
 mem/0: location 1006 is 1032
 mem/0: storing 1033 in location 1032
 run/0: instruction init-channel/10
+run/0: reply {name: "result", value: 1, type: 2-10, properties: ["result": "address":"channel"]}
 mem/0: location 1002 is 1030
 run/0: result 0 is 1030
 mem/0: storing 1030 in location 1
 run/0: instruction test-channel-write-full/1
+run/0: {name: "1", value: 1, type: 2-10, properties: ["1": "address":"channel"]} <- write {name: "1", value: 1, type: 2-10, properties: ["1": "address":"channel"]}, {name: "34", value: 34, type: 0, properties: ["34": "literal"]}
 mem/0: location 1 is 1030
 run/0: instruction write/0
+run/0: {name: "default-space", value: 0, type: 2-5-1, properties: ["default-space": "address":"array":"location"]} <- new {name: "location", value: 1, type: 0, properties: ["location": "type"]}, {name: "30", value: 30, type: 0, properties: ["30": "literal"]}
 mem/0: array size is 30
 mem/0: new alloc: 1035
 run/0: instruction write/1
+run/0: {name: "chan", value: 1, type: 2-10, properties: ["chan": "address":"channel"]} <- next-ingredient 
 run/0: product 0 is 1030
 mem/0: storing 1030 in location 1037
 run/0: instruction write/2
+run/0: {name: "val", value: 2, type: 1, properties: ["val": "location"]} <- next-ingredient 
 run/0: product 0 is 34
 mem/0: storing 34 in location 1038
 run/0: instruction write/4
+run/0: {name: "full", value: 3, type: 3, properties: ["full": "boolean"]} <- channel-full? {name: "chan", value: 1, type: 2-10, properties: ["chan": "address":"channel"]}
 mem/0: location 1037 is 1030
 run/0: instruction channel-full?/0
+run/0: {name: "default-space", value: 0, type: 2-5-1, properties: ["default-space": "address":"array":"location"]} <- new {name: "location", value: 1, type: 0, properties: ["location": "type"]}, {name: "30", value: 30, type: 0, properties: ["30": "literal"]}
 mem/0: array size is 30
 mem/0: new alloc: 1065
 run/0: instruction channel-full?/1
+run/0: {name: "chan", value: 1, type: 2-10, properties: ["chan": "address":"channel"]} <- next-ingredient 
 run/0: product 0 is 1030
 mem/0: storing 1030 in location 1067
 run/0: instruction channel-full?/2
+run/0: {name: "tmp", value: 2, type: 1, properties: ["tmp": "integer"]} <- get {name: "chan", value: 1, type: 2-10, properties: ["chan": "address":"channel", "deref": ]}, {name: "first-free", value: 1, type: 0, properties: ["first-free": "offset"]}
 run/0: ingredient 0 is chan
 mem/0: location 1067 is 1030
 run/0: ingredient 1 is first-free
@@ -102,20 +122,25 @@ mem/0: location 1031 is 0
 run/0: product 0 is 0
 mem/0: storing 0 in location 1068
 run/0: instruction channel-full?/3
+run/0: {name: "tmp", value: 2, type: 1, properties: ["tmp": "integer"]} <- add {name: "tmp", value: 2, type: 1, properties: ["tmp": "integer"]}, {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: ingredient 0 is tmp
 mem/0: location 1068 is 0
 run/0: ingredient 1 is 1
 run/0: product 0 is 1
 mem/0: storing 1 in location 1068
 run/0: instruction channel-full?/5
+run/0: {name: "len", value: 3, type: 1, properties: ["len": "integer"]} <- channel-capacity {name: "chan", value: 1, type: 2-10, properties: ["chan": "address":"channel"]}
 mem/0: location 1067 is 1030
 run/0: instruction channel-capacity/0
+run/0: {name: "default-space", value: 0, type: 2-5-1, properties: ["default-space": "address":"array":"location"]} <- new {name: "location", value: 1, type: 0, properties: ["location": "type"]}, {name: "30", value: 30, type: 0, properties: ["30": "literal"]}
 mem/0: array size is 30
 mem/0: new alloc: 1095
 run/0: instruction channel-capacity/1
+run/0: {name: "chan", value: 1, type: 2-10, properties: ["chan": "address":"channel"]} <- next-ingredient 
 run/0: product 0 is 1030
 mem/0: storing 1030 in location 1097
 run/0: instruction channel-capacity/2
+run/0: {name: "q", value: 2, type: 2-5-1, properties: ["q": "address":"array":"location"]} <- get {name: "chan", value: 1, type: 2-10, properties: ["chan": "address":"channel", "deref": ]}, {name: "data", value: 2, type: 0, properties: ["data": "offset"]}
 run/0: ingredient 0 is chan
 mem/0: location 1097 is 1030
 run/0: ingredient 1 is data
@@ -125,13 +150,16 @@ mem/0: location 1032 is 1033
 run/0: product 0 is 1033
 mem/0: storing 1033 in location 1098
 run/0: instruction channel-capacity/3
+run/0: {name: "result", value: 3, type: 1, properties: ["result": "integer"]} <- length {name: "q", value: 2, type: 2-5-1, properties: ["q": "address":"array":"location", "deref": ]}
 mem/0: location 1098 is 1033
 mem/0: storing 2 in location 1099
 run/0: instruction channel-capacity/4
+run/0: reply {name: "result", value: 3, type: 1, properties: ["result": "integer"]}
 mem/0: location 1099 is 2
 run/0: result 0 is 2
 mem/0: storing 2 in location 1069
 run/0: instruction channel-full?/6
+run/0: {name: "at-end?", value: 4, type: 3, properties: ["at-end?": "boolean"]} <- greater-or-equal {name: "tmp", value: 2, type: 1, properties: ["tmp": "integer"]}, {name: "len", value: 3, type: 1, properties: ["len": "integer"]}
 run/0: ingredient 0 is tmp
 mem/0: location 1068 is 1
 run/0: ingredient 1 is len
@@ -139,11 +167,13 @@ mem/0: location 1069 is 2
 run/0: product 0 is 0
 mem/0: storing 0 in location 1070
 run/0: instruction channel-full?/7
+run/0: break-unless {name: "at-end?", value: 4, type: 3, properties: ["at-end?": "boolean"]}, {name: "", value: 1, type: , properties: ["": ]}
 mem/0: location 1070 is 0
 run/0: ingredient 0 is 0
 run/0: ingredient 1 is 
 run/0: jumping to instruction 9
 run/0: instruction channel-full?/10
+run/0: {name: "full", value: 5, type: 1, properties: ["full": "integer"]} <- get {name: "chan", value: 1, type: 2-10, properties: ["chan": "address":"channel", "deref": ]}, {name: "first-full", value: 0, type: 0, properties: ["first-full": "offset"]}
 run/0: ingredient 0 is chan
 mem/0: location 1067 is 1030
 run/0: ingredient 1 is first-full
@@ -153,6 +183,7 @@ mem/0: location 1030 is 0
 run/0: product 0 is 0
 mem/0: storing 0 in location 1071
 run/0: instruction channel-full?/11
+run/0: {name: "result", value: 6, type: 3, properties: ["result": "boolean"]} <- equal {name: "full", value: 5, type: 1, properties: ["full": "integer"]}, {name: "tmp", value: 2, type: 1, properties: ["tmp": "integer"]}
 run/0: ingredient 0 is full
 mem/0: location 1071 is 0
 run/0: ingredient 1 is tmp
@@ -160,15 +191,18 @@ mem/0: location 1068 is 1
 run/0: product 0 is 0
 mem/0: storing 0 in location 1072
 run/0: instruction channel-full?/12
+run/0: reply {name: "result", value: 6, type: 3, properties: ["result": "boolean"]}
 mem/0: location 1072 is 0
 run/0: result 0 is 0
 mem/0: storing 0 in location 1039
 run/0: instruction write/5
+run/0: break-unless {name: "full", value: 3, type: 3, properties: ["full": "boolean"]}, {name: "", value: 2, type: , properties: ["": ]}
 mem/0: location 1039 is 0
 run/0: ingredient 0 is 0
 run/0: ingredient 1 is 
 run/0: jumping to instruction 8
 run/0: instruction write/9
+run/0: {name: "circular-buffer", value: 5, type: 2-5-1, properties: ["circular-buffer": "address":"array":"location"]} <- get {name: "chan", value: 1, type: 2-10, properties: ["chan": "address":"channel", "deref": ]}, {name: "data", value: 2, type: 0, properties: ["data": "offset"]}
 run/0: ingredient 0 is chan
 mem/0: location 1037 is 1030
 run/0: ingredient 1 is data
@@ -178,6 +212,7 @@ mem/0: location 1032 is 1033
 run/0: product 0 is 1033
 mem/0: storing 1033 in location 1041
 run/0: instruction write/10
+run/0: {name: "free", value: 6, type: 2-1, properties: ["free": "address":"integer"]} <- get-address {name: "chan", value: 1, type: 2-10, properties: ["chan": "address":"channel", "deref": ]}, {name: "first-free", value: 1, type: 0, properties: ["first-free": "offset"]}
 run/0: ingredient 0 is chan
 mem/0: location 1037 is 1030
 run/0: ingredient 1 is first-free
@@ -185,6 +220,7 @@ run/0: address to copy is 1031
 run/0: product 0 is 1031
 mem/0: storing 1031 in location 1042
 run/0: instruction write/11
+run/0: {name: "dest", value: 7, type: 2-1, properties: ["dest": "address":"location"]} <- index-address {name: "circular-buffer", value: 5, type: 2-5-1, properties: ["circular-buffer": "address":"array":"location", "deref": ]}, {name: "free", value: 6, type: 2-1, properties: ["free": "address":"integer", "deref": ]}
 run/0: ingredient 0 is circular-buffer
 mem/0: location 1041 is 1033
 run/0: ingredient 1 is {name: "free", value: 6, type: 2-1, properties: ["free": "address":"integer", "deref": ]}
@@ -194,11 +230,13 @@ run/0: address to copy is 1034
 run/0: product 0 is 1034
 mem/0: storing 1034 in location 1043
 run/0: instruction write/12
+run/0: {name: "dest", value: 7, type: 2-1, properties: ["dest": "address":"location", "deref": ]} <- copy {name: "val", value: 2, type: 1, properties: ["val": "location"]}
 run/0: ingredient 0 is val
 mem/0: location 1038 is 34
 mem/0: location 1043 is 1034
 mem/0: storing 34 in location 1034
 run/0: instruction write/13
+run/0: {name: "free", value: 6, type: 2-1, properties: ["free": "address":"integer", "deref": ]} <- add {name: "free", value: 6, type: 2-1, properties: ["free": "address":"integer", "deref": ]}, {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: ingredient 0 is free
 mem/0: location 1042 is 1031
 mem/0: location 1031 is 0
@@ -207,9 +245,11 @@ run/0: product 0 is 1
 mem/0: location 1042 is 1031
 mem/0: storing 1 in location 1031
 run/0: instruction write/15
+run/0: {name: "len", value: 8, type: 1, properties: ["len": "integer"]} <- length {name: "circular-buffer", value: 5, type: 2-5-1, properties: ["circular-buffer": "address":"array":"location", "deref": ]}
 mem/0: location 1041 is 1033
 mem/0: storing 2 in location 1044
 run/0: instruction write/16
+run/0: {name: "at-end?", value: 9, type: 3, properties: ["at-end?": "boolean"]} <- greater-or-equal {name: "free", value: 6, type: 2-1, properties: ["free": "address":"integer", "deref": ]}, {name: "len", value: 8, type: 1, properties: ["len": "integer"]}
 run/0: ingredient 0 is free
 mem/0: location 1042 is 1031
 mem/0: location 1031 is 1
@@ -218,23 +258,29 @@ mem/0: location 1044 is 2
 run/0: product 0 is 0
 mem/0: storing 0 in location 1045
 run/0: instruction write/17
+run/0: break-unless {name: "at-end?", value: 9, type: 3, properties: ["at-end?": "boolean"]}, {name: "", value: 1, type: , properties: ["": ]}
 mem/0: location 1045 is 0
 run/0: ingredient 0 is 0
 run/0: ingredient 1 is 
 run/0: jumping to instruction 19
 run/0: instruction write/20
+run/0: reply {name: "chan", value: 1, type: 2-10, properties: ["chan": "address":"channel", "same-as-ingredient": "0"]}
 mem/0: location 1037 is 1030
 run/0: result 0 is 1030
 mem/0: storing 1030 in location 1
 run/0: instruction test-channel-write-full/2
+run/0: {name: "2", value: 2, type: 1, properties: ["2": "integer"]} <- channel-empty? {name: "1", value: 1, type: 2-10, properties: ["1": "address":"channel"]}
 mem/0: location 1 is 1030
 run/0: instruction channel-empty?/0
+run/0: {name: "default-space", value: 0, type: 2-5-1, properties: ["default-space": "address":"array":"location"]} <- new {name: "location", value: 1, type: 0, properties: ["location": "type"]}, {name: "30", value: 30, type: 0, properties: ["30": "literal"]}
 mem/0: array size is 30
 mem/0: new alloc: 1125
 run/0: instruction channel-empty?/1
+run/0: {name: "chan", value: 1, type: 2-10, properties: ["chan": "address":"channel"]} <- next-ingredient 
 run/0: product 0 is 1030
 mem/0: storing 1030 in location 1127
 run/0: instruction channel-empty?/2
+run/0: {name: "full", value: 2, type: 1, properties: ["full": "integer"]} <- get {name: "chan", value: 1, type: 2-10, properties: ["chan": "address":"channel", "deref": ]}, {name: "first-full", value: 0, type: 0, properties: ["first-full": "offset"]}
 run/0: ingredient 0 is chan
 mem/0: location 1127 is 1030
 run/0: ingredient 1 is first-full
@@ -244,6 +290,7 @@ mem/0: location 1030 is 0
 run/0: product 0 is 0
 mem/0: storing 0 in location 1128
 run/0: instruction channel-empty?/3
+run/0: {name: "free", value: 3, type: 1, properties: ["free": "integer"]} <- get {name: "chan", value: 1, type: 2-10, properties: ["chan": "address":"channel", "deref": ]}, {name: "first-free", value: 1, type: 0, properties: ["first-free": "offset"]}
 run/0: ingredient 0 is chan
 mem/0: location 1127 is 1030
 run/0: ingredient 1 is first-free
@@ -253,6 +300,7 @@ mem/0: location 1031 is 1
 run/0: product 0 is 1
 mem/0: storing 1 in location 1129
 run/0: instruction channel-empty?/4
+run/0: {name: "result", value: 4, type: 3, properties: ["result": "boolean"]} <- equal {name: "full", value: 2, type: 1, properties: ["full": "integer"]}, {name: "free", value: 3, type: 1, properties: ["free": "integer"]}
 run/0: ingredient 0 is full
 mem/0: location 1128 is 0
 run/0: ingredient 1 is free
@@ -260,18 +308,23 @@ mem/0: location 1129 is 1
 run/0: product 0 is 0
 mem/0: storing 0 in location 1130
 run/0: instruction channel-empty?/5
+run/0: reply {name: "result", value: 4, type: 3, properties: ["result": "boolean"]}
 mem/0: location 1130 is 0
 run/0: result 0 is 0
 mem/0: storing 0 in location 2
 run/0: instruction test-channel-write-full/3
+run/0: {name: "3", value: 3, type: 1, properties: ["3": "integer"]} <- channel-full? {name: "1", value: 1, type: 2-10, properties: ["1": "address":"channel"]}
 mem/0: location 1 is 1030
 run/0: instruction channel-full?/0
+run/0: {name: "default-space", value: 0, type: 2-5-1, properties: ["default-space": "address":"array":"location"]} <- new {name: "location", value: 1, type: 0, properties: ["location": "type"]}, {name: "30", value: 30, type: 0, properties: ["30": "literal"]}
 mem/0: array size is 30
 mem/0: new alloc: 1155
 run/0: instruction channel-full?/1
+run/0: {name: "chan", value: 1, type: 2-10, properties: ["chan": "address":"channel"]} <- next-ingredient 
 run/0: product 0 is 1030
 mem/0: storing 1030 in location 1157
 run/0: instruction channel-full?/2
+run/0: {name: "tmp", value: 2, type: 1, properties: ["tmp": "integer"]} <- get {name: "chan", value: 1, type: 2-10, properties: ["chan": "address":"channel", "deref": ]}, {name: "first-free", value: 1, type: 0, properties: ["first-free": "offset"]}
 run/0: ingredient 0 is chan
 mem/0: location 1157 is 1030
 run/0: ingredient 1 is first-free
@@ -281,20 +334,25 @@ mem/0: location 1031 is 1
 run/0: product 0 is 1
 mem/0: storing 1 in location 1158
 run/0: instruction channel-full?/3
+run/0: {name: "tmp", value: 2, type: 1, properties: ["tmp": "integer"]} <- add {name: "tmp", value: 2, type: 1, properties: ["tmp": "integer"]}, {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: ingredient 0 is tmp
 mem/0: location 1158 is 1
 run/0: ingredient 1 is 1
 run/0: product 0 is 2
 mem/0: storing 2 in location 1158
 run/0: instruction channel-full?/5
+run/0: {name: "len", value: 3, type: 1, properties: ["len": "integer"]} <- channel-capacity {name: "chan", value: 1, type: 2-10, properties: ["chan": "address":"channel"]}
 mem/0: location 1157 is 1030
 run/0: instruction channel-capacity/0
+run/0: {name: "default-space", value: 0, type: 2-5-1, properties: ["default-space": "address":"array":"location"]} <- new {name: "location", value: 1, type: 0, properties: ["location": "type"]}, {name: "30", value: 30, type: 0, properties: ["30": "literal"]}
 mem/0: array size is 30
 mem/0: new alloc: 1185
 run/0: instruction channel-capacity/1
+run/0: {name: "chan", value: 1, type: 2-10, properties: ["chan": "address":"channel"]} <- next-ingredient 
 run/0: product 0 is 1030
 mem/0: storing 1030 in location 1187
 run/0: instruction channel-capacity/2
+run/0: {name: "q", value: 2, type: 2-5-1, properties: ["q": "address":"array":"location"]} <- get {name: "chan", value: 1, type: 2-10, properties: ["chan": "address":"channel", "deref": ]}, {name: "data", value: 2, type: 0, properties: ["data": "offset"]}
 run/0: ingredient 0 is chan
 mem/0: location 1187 is 1030
 run/0: ingredient 1 is data
@@ -304,13 +362,16 @@ mem/0: location 1032 is 1033
 run/0: product 0 is 1033
 mem/0: storing 1033 in location 1188
 run/0: instruction channel-capacity/3
+run/0: {name: "result", value: 3, type: 1, properties: ["result": "integer"]} <- length {name: "q", value: 2, type: 2-5-1, properties: ["q": "address":"array":"location", "deref": ]}
 mem/0: location 1188 is 1033
 mem/0: storing 2 in location 1189
 run/0: instruction channel-capacity/4
+run/0: reply {name: "result", value: 3, type: 1, properties: ["result": "integer"]}
 mem/0: location 1189 is 2
 run/0: result 0 is 2
 mem/0: storing 2 in location 1159
 run/0: instruction channel-full?/6
+run/0: {name: "at-end?", value: 4, type: 3, properties: ["at-end?": "boolean"]} <- greater-or-equal {name: "tmp", value: 2, type: 1, properties: ["tmp": "integer"]}, {name: "len", value: 3, type: 1, properties: ["len": "integer"]}
 run/0: ingredient 0 is tmp
 mem/0: location 1158 is 2
 run/0: ingredient 1 is len
@@ -318,13 +379,16 @@ mem/0: location 1159 is 2
 run/0: product 0 is 1
 mem/0: storing 1 in location 1160
 run/0: instruction channel-full?/7
+run/0: break-unless {name: "at-end?", value: 4, type: 3, properties: ["at-end?": "boolean"]}, {name: "", value: 1, type: , properties: ["": ]}
 mem/0: location 1160 is 1
 run/0: ingredient 0 is 1
 run/0: jump-unless fell through
 run/0: instruction channel-full?/8
+run/0: {name: "tmp", value: 2, type: 1, properties: ["tmp": "integer"]} <- copy {name: "0", value: 0, type: 0, properties: ["0": "literal"]}
 run/0: ingredient 0 is 0
 mem/0: storing 0 in location 1158
 run/0: instruction channel-full?/10
+run/0: {name: "full", value: 5, type: 1, properties: ["full": "integer"]} <- get {name: "chan", value: 1, type: 2-10, properties: ["chan": "address":"channel", "deref": ]}, {name: "first-full", value: 0, type: 0, properties: ["first-full": "offset"]}
 run/0: ingredient 0 is chan
 mem/0: location 1157 is 1030
 run/0: ingredient 1 is first-full
@@ -334,6 +398,7 @@ mem/0: location 1030 is 0
 run/0: product 0 is 0
 mem/0: storing 0 in location 1161
 run/0: instruction channel-full?/11
+run/0: {name: "result", value: 6, type: 3, properties: ["result": "boolean"]} <- equal {name: "full", value: 5, type: 1, properties: ["full": "integer"]}, {name: "tmp", value: 2, type: 1, properties: ["tmp": "integer"]}
 run/0: ingredient 0 is full
 mem/0: location 1161 is 0
 run/0: ingredient 1 is tmp
@@ -341,6 +406,7 @@ mem/0: location 1158 is 0
 run/0: product 0 is 1
 mem/0: storing 1 in location 1162
 run/0: instruction channel-full?/12
+run/0: reply {name: "result", value: 6, type: 3, properties: ["result": "boolean"]}
 mem/0: location 1162 is 1
 run/0: result 0 is 1
 mem/0: storing 1 in location 3
diff --git a/cpp/.traces/channel-write-increments-free b/cpp/.traces/channel-write-increments-free
index 753221a1..f060c64c 100644
--- a/cpp/.traces/channel-write-increments-free
+++ b/cpp/.traces/channel-write-increments-free
@@ -23,13 +23,17 @@ after-brace/0: get ...
 new/0: routine allocated memory from 1000 to 101000
 schedule/0: test-channel-write-increments-free
 run/0: instruction test-channel-write-increments-free/0
+run/0: {name: "1", value: 1, type: 2-10, properties: ["1": "address":"channel"]} <- init-channel {name: "3", value: 3, type: 0, properties: ["3": "literal", "capacity": ]}
 run/0: instruction init-channel/0
+run/0: {name: "default-space", value: 0, type: 2-5-1, properties: ["default-space": "address":"array":"location"]} <- new {name: "location", value: 1, type: 0, properties: ["location": "type"]}, {name: "30", value: 30, type: 0, properties: ["30": "literal"]}
 mem/0: array size is 30
 mem/0: new alloc: 1000
 run/0: instruction init-channel/1
+run/0: {name: "result", value: 1, type: 2-10, properties: ["result": "address":"channel"]} <- new {name: "channel", value: 10, type: 0, properties: ["channel": "type"]}
 mem/0: new alloc: 1030
 mem/0: storing 1030 in location 1002
 run/0: instruction init-channel/2
+run/0: {name: "full", value: 2, type: 2-1, properties: ["full": "address":"integer"]} <- get-address {name: "result", value: 1, type: 2-10, properties: ["result": "address":"channel", "deref": ]}, {name: "first-full", value: 0, type: 0, properties: ["first-full": "offset"]}
 run/0: ingredient 0 is result
 mem/0: location 1002 is 1030
 run/0: ingredient 1 is first-full
@@ -37,10 +41,12 @@ run/0: address to copy is 1030
 run/0: product 0 is 1030
 mem/0: storing 1030 in location 1003
 run/0: instruction init-channel/3
+run/0: {name: "full", value: 2, type: 2-1, properties: ["full": "address":"integer", "deref": ]} <- copy {name: "0", value: 0, type: 0, properties: ["0": "literal"]}
 run/0: ingredient 0 is 0
 mem/0: location 1003 is 1030
 mem/0: storing 0 in location 1030
 run/0: instruction init-channel/4
+run/0: {name: "free", value: 3, type: 2-1, properties: ["free": "address":"integer"]} <- get-address {name: "result", value: 1, type: 2-10, properties: ["result": "address":"channel", "deref": ]}, {name: "first-free", value: 1, type: 0, properties: ["first-free": "offset"]}
 run/0: ingredient 0 is result
 mem/0: location 1002 is 1030
 run/0: ingredient 1 is first-free
@@ -48,19 +54,23 @@ run/0: address to copy is 1031
 run/0: product 0 is 1031
 mem/0: storing 1031 in location 1004
 run/0: instruction init-channel/5
+run/0: {name: "free", value: 3, type: 2-1, properties: ["free": "address":"integer", "deref": ]} <- copy {name: "0", value: 0, type: 0, properties: ["0": "literal"]}
 run/0: ingredient 0 is 0
 mem/0: location 1004 is 1031
 mem/0: storing 0 in location 1031
 run/0: instruction init-channel/6
+run/0: {name: "capacity", value: 4, type: 1, properties: ["capacity": "integer"]} <- next-ingredient 
 run/0: product 0 is 3
 mem/0: storing 3 in location 1005
 run/0: instruction init-channel/7
+run/0: {name: "capacity", value: 4, type: 1, properties: ["capacity": "integer"]} <- add {name: "capacity", value: 4, type: 1, properties: ["capacity": "integer"]}, {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: ingredient 0 is capacity
 mem/0: location 1005 is 3
 run/0: ingredient 1 is 1
 run/0: product 0 is 4
 mem/0: storing 4 in location 1005
 run/0: instruction init-channel/8
+run/0: {name: "dest", value: 5, type: 2-2-5-1, properties: ["dest": "address":"address":"array":"location"]} <- get-address {name: "result", value: 1, type: 2-10, properties: ["result": "address":"channel", "deref": ]}, {name: "data", value: 2, type: 0, properties: ["data": "offset"]}
 run/0: ingredient 0 is result
 mem/0: location 1002 is 1030
 run/0: ingredient 1 is data
@@ -68,35 +78,45 @@ run/0: address to copy is 1032
 run/0: product 0 is 1032
 mem/0: storing 1032 in location 1006
 run/0: instruction init-channel/9
+run/0: {name: "dest", value: 5, type: 2-2-5-1, properties: ["dest": "address":"address":"array":"location", "deref": ]} <- new {name: "location", value: 1, type: 0, properties: ["location": "type"]}, {name: "capacity", value: 4, type: 1, properties: ["capacity": "integer"]}
 mem/0: location 1005 is 4
 mem/0: array size is 4
 mem/0: new alloc: 1033
 mem/0: location 1006 is 1032
 mem/0: storing 1033 in location 1032
 run/0: instruction init-channel/10
+run/0: reply {name: "result", value: 1, type: 2-10, properties: ["result": "address":"channel"]}
 mem/0: location 1002 is 1030
 run/0: result 0 is 1030
 mem/0: storing 1030 in location 1
 run/0: instruction test-channel-write-increments-free/1
+run/0: {name: "1", value: 1, type: 2-10, properties: ["1": "address":"channel"]} <- write {name: "1", value: 1, type: 2-10, properties: ["1": "address":"channel"]}, {name: "34", value: 34, type: 0, properties: ["34": "literal"]}
 mem/0: location 1 is 1030
 run/0: instruction write/0
+run/0: {name: "default-space", value: 0, type: 2-5-1, properties: ["default-space": "address":"array":"location"]} <- new {name: "location", value: 1, type: 0, properties: ["location": "type"]}, {name: "30", value: 30, type: 0, properties: ["30": "literal"]}
 mem/0: array size is 30
 mem/0: new alloc: 1037
 run/0: instruction write/1
+run/0: {name: "chan", value: 1, type: 2-10, properties: ["chan": "address":"channel"]} <- next-ingredient 
 run/0: product 0 is 1030
 mem/0: storing 1030 in location 1039
 run/0: instruction write/2
+run/0: {name: "val", value: 2, type: 1, properties: ["val": "location"]} <- next-ingredient 
 run/0: product 0 is 34
 mem/0: storing 34 in location 1040
 run/0: instruction write/4
+run/0: {name: "full", value: 3, type: 3, properties: ["full": "boolean"]} <- channel-full? {name: "chan", value: 1, type: 2-10, properties: ["chan": "address":"channel"]}
 mem/0: location 1039 is 1030
 run/0: instruction channel-full?/0
+run/0: {name: "default-space", value: 0, type: 2-5-1, properties: ["default-space": "address":"array":"location"]} <- new {name: "location", value: 1, type: 0, properties: ["location": "type"]}, {name: "30", value: 30, type: 0, properties: ["30": "literal"]}
 mem/0: array size is 30
 mem/0: new alloc: 1067
 run/0: instruction channel-full?/1
+run/0: {name: "chan", value: 1, type: 2-10, properties: ["chan": "address":"channel"]} <- next-ingredient 
 run/0: product 0 is 1030
 mem/0: storing 1030 in location 1069
 run/0: instruction channel-full?/2
+run/0: {name: "tmp", value: 2, type: 1, properties: ["tmp": "integer"]} <- get {name: "chan", value: 1, type: 2-10, properties: ["chan": "address":"channel", "deref": ]}, {name: "first-free", value: 1, type: 0, properties: ["first-free": "offset"]}
 run/0: ingredient 0 is chan
 mem/0: location 1069 is 1030
 run/0: ingredient 1 is first-free
@@ -106,20 +126,25 @@ mem/0: location 1031 is 0
 run/0: product 0 is 0
 mem/0: storing 0 in location 1070
 run/0: instruction channel-full?/3
+run/0: {name: "tmp", value: 2, type: 1, properties: ["tmp": "integer"]} <- add {name: "tmp", value: 2, type: 1, properties: ["tmp": "integer"]}, {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: ingredient 0 is tmp
 mem/0: location 1070 is 0
 run/0: ingredient 1 is 1
 run/0: product 0 is 1
 mem/0: storing 1 in location 1070
 run/0: instruction channel-full?/5
+run/0: {name: "len", value: 3, type: 1, properties: ["len": "integer"]} <- channel-capacity {name: "chan", value: 1, type: 2-10, properties: ["chan": "address":"channel"]}
 mem/0: location 1069 is 1030
 run/0: instruction channel-capacity/0
+run/0: {name: "default-space", value: 0, type: 2-5-1, properties: ["default-space": "address":"array":"location"]} <- new {name: "location", value: 1, type: 0, properties: ["location": "type"]}, {name: "30", value: 30, type: 0, properties: ["30": "literal"]}
 mem/0: array size is 30
 mem/0: new alloc: 1097
 run/0: instruction channel-capacity/1
+run/0: {name: "chan", value: 1, type: 2-10, properties: ["chan": "address":"channel"]} <- next-ingredient 
 run/0: product 0 is 1030
 mem/0: storing 1030 in location 1099
 run/0: instruction channel-capacity/2
+run/0: {name: "q", value: 2, type: 2-5-1, properties: ["q": "address":"array":"location"]} <- get {name: "chan", value: 1, type: 2-10, properties: ["chan": "address":"channel", "deref": ]}, {name: "data", value: 2, type: 0, properties: ["data": "offset"]}
 run/0: ingredient 0 is chan
 mem/0: location 1099 is 1030
 run/0: ingredient 1 is data
@@ -129,13 +154,16 @@ mem/0: location 1032 is 1033
 run/0: product 0 is 1033
 mem/0: storing 1033 in location 1100
 run/0: instruction channel-capacity/3
+run/0: {name: "result", value: 3, type: 1, properties: ["result": "integer"]} <- length {name: "q", value: 2, type: 2-5-1, properties: ["q": "address":"array":"location", "deref": ]}
 mem/0: location 1100 is 1033
 mem/0: storing 4 in location 1101
 run/0: instruction channel-capacity/4
+run/0: reply {name: "result", value: 3, type: 1, properties: ["result": "integer"]}
 mem/0: location 1101 is 4
 run/0: result 0 is 4
 mem/0: storing 4 in location 1071
 run/0: instruction channel-full?/6
+run/0: {name: "at-end?", value: 4, type: 3, properties: ["at-end?": "boolean"]} <- greater-or-equal {name: "tmp", value: 2, type: 1, properties: ["tmp": "integer"]}, {name: "len", value: 3, type: 1, properties: ["len": "integer"]}
 run/0: ingredient 0 is tmp
 mem/0: location 1070 is 1
 run/0: ingredient 1 is len
@@ -143,11 +171,13 @@ mem/0: location 1071 is 4
 run/0: product 0 is 0
 mem/0: storing 0 in location 1072
 run/0: instruction channel-full?/7
+run/0: break-unless {name: "at-end?", value: 4, type: 3, properties: ["at-end?": "boolean"]}, {name: "", value: 1, type: , properties: ["": ]}
 mem/0: location 1072 is 0
 run/0: ingredient 0 is 0
 run/0: ingredient 1 is 
 run/0: jumping to instruction 9
 run/0: instruction channel-full?/10
+run/0: {name: "full", value: 5, type: 1, properties: ["full": "integer"]} <- get {name: "chan", value: 1, type: 2-10, properties: ["chan": "address":"channel", "deref": ]}, {name: "first-full", value: 0, type: 0, properties: ["first-full": "offset"]}
 run/0: ingredient 0 is chan
 mem/0: location 1069 is 1030
 run/0: ingredient 1 is first-full
@@ -157,6 +187,7 @@ mem/0: location 1030 is 0
 run/0: product 0 is 0
 mem/0: storing 0 in location 1073
 run/0: instruction channel-full?/11
+run/0: {name: "result", value: 6, type: 3, properties: ["result": "boolean"]} <- equal {name: "full", value: 5, type: 1, properties: ["full": "integer"]}, {name: "tmp", value: 2, type: 1, properties: ["tmp": "integer"]}
 run/0: ingredient 0 is full
 mem/0: location 1073 is 0
 run/0: ingredient 1 is tmp
@@ -164,15 +195,18 @@ mem/0: location 1070 is 1
 run/0: product 0 is 0
 mem/0: storing 0 in location 1074
 run/0: instruction channel-full?/12
+run/0: reply {name: "result", value: 6, type: 3, properties: ["result": "boolean"]}
 mem/0: location 1074 is 0
 run/0: result 0 is 0
 mem/0: storing 0 in location 1041
 run/0: instruction write/5
+run/0: break-unless {name: "full", value: 3, type: 3, properties: ["full": "boolean"]}, {name: "", value: 2, type: , properties: ["": ]}
 mem/0: location 1041 is 0
 run/0: ingredient 0 is 0
 run/0: ingredient 1 is 
 run/0: jumping to instruction 8
 run/0: instruction write/9
+run/0: {name: "circular-buffer", value: 5, type: 2-5-1, properties: ["circular-buffer": "address":"array":"location"]} <- get {name: "chan", value: 1, type: 2-10, properties: ["chan": "address":"channel", "deref": ]}, {name: "data", value: 2, type: 0, properties: ["data": "offset"]}
 run/0: ingredient 0 is chan
 mem/0: location 1039 is 1030
 run/0: ingredient 1 is data
@@ -182,6 +216,7 @@ mem/0: location 1032 is 1033
 run/0: product 0 is 1033
 mem/0: storing 1033 in location 1043
 run/0: instruction write/10
+run/0: {name: "free", value: 6, type: 2-1, properties: ["free": "address":"integer"]} <- get-address {name: "chan", value: 1, type: 2-10, properties: ["chan": "address":"channel", "deref": ]}, {name: "first-free", value: 1, type: 0, properties: ["first-free": "offset"]}
 run/0: ingredient 0 is chan
 mem/0: location 1039 is 1030
 run/0: ingredient 1 is first-free
@@ -189,6 +224,7 @@ run/0: address to copy is 1031
 run/0: product 0 is 1031
 mem/0: storing 1031 in location 1044
 run/0: instruction write/11
+run/0: {name: "dest", value: 7, type: 2-1, properties: ["dest": "address":"location"]} <- index-address {name: "circular-buffer", value: 5, type: 2-5-1, properties: ["circular-buffer": "address":"array":"location", "deref": ]}, {name: "free", value: 6, type: 2-1, properties: ["free": "address":"integer", "deref": ]}
 run/0: ingredient 0 is circular-buffer
 mem/0: location 1043 is 1033
 run/0: ingredient 1 is {name: "free", value: 6, type: 2-1, properties: ["free": "address":"integer", "deref": ]}
@@ -198,11 +234,13 @@ run/0: address to copy is 1034
 run/0: product 0 is 1034
 mem/0: storing 1034 in location 1045
 run/0: instruction write/12
+run/0: {name: "dest", value: 7, type: 2-1, properties: ["dest": "address":"location", "deref": ]} <- copy {name: "val", value: 2, type: 1, properties: ["val": "location"]}
 run/0: ingredient 0 is val
 mem/0: location 1040 is 34
 mem/0: location 1045 is 1034
 mem/0: storing 34 in location 1034
 run/0: instruction write/13
+run/0: {name: "free", value: 6, type: 2-1, properties: ["free": "address":"integer", "deref": ]} <- add {name: "free", value: 6, type: 2-1, properties: ["free": "address":"integer", "deref": ]}, {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: ingredient 0 is free
 mem/0: location 1044 is 1031
 mem/0: location 1031 is 0
@@ -211,9 +249,11 @@ run/0: product 0 is 1
 mem/0: location 1044 is 1031
 mem/0: storing 1 in location 1031
 run/0: instruction write/15
+run/0: {name: "len", value: 8, type: 1, properties: ["len": "integer"]} <- length {name: "circular-buffer", value: 5, type: 2-5-1, properties: ["circular-buffer": "address":"array":"location", "deref": ]}
 mem/0: location 1043 is 1033
 mem/0: storing 4 in location 1046
 run/0: instruction write/16
+run/0: {name: "at-end?", value: 9, type: 3, properties: ["at-end?": "boolean"]} <- greater-or-equal {name: "free", value: 6, type: 2-1, properties: ["free": "address":"integer", "deref": ]}, {name: "len", value: 8, type: 1, properties: ["len": "integer"]}
 run/0: ingredient 0 is free
 mem/0: location 1044 is 1031
 mem/0: location 1031 is 1
@@ -222,15 +262,18 @@ mem/0: location 1046 is 4
 run/0: product 0 is 0
 mem/0: storing 0 in location 1047
 run/0: instruction write/17
+run/0: break-unless {name: "at-end?", value: 9, type: 3, properties: ["at-end?": "boolean"]}, {name: "", value: 1, type: , properties: ["": ]}
 mem/0: location 1047 is 0
 run/0: ingredient 0 is 0
 run/0: ingredient 1 is 
 run/0: jumping to instruction 19
 run/0: instruction write/20
+run/0: reply {name: "chan", value: 1, type: 2-10, properties: ["chan": "address":"channel", "same-as-ingredient": "0"]}
 mem/0: location 1039 is 1030
 run/0: result 0 is 1030
 mem/0: storing 1030 in location 1
 run/0: instruction test-channel-write-increments-free/2
+run/0: {name: "2", value: 2, type: 1, properties: ["2": "integer"]} <- get {name: "1", value: 1, type: 2-10, properties: ["1": "address":"channel", "deref": ]}, {name: "first-full", value: 0, type: 0, properties: ["first-full": "offset"]}
 run/0: ingredient 0 is 1
 mem/0: location 1 is 1030
 run/0: ingredient 1 is first-full
@@ -240,6 +283,7 @@ mem/0: location 1030 is 0
 run/0: product 0 is 0
 mem/0: storing 0 in location 2
 run/0: instruction test-channel-write-increments-free/3
+run/0: {name: "3", value: 3, type: 1, properties: ["3": "integer"]} <- get {name: "1", value: 1, type: 2-10, properties: ["1": "address":"channel", "deref": ]}, {name: "first-free", value: 1, type: 0, properties: ["first-free": "offset"]}
 run/0: ingredient 0 is 1
 mem/0: location 1 is 1030
 run/0: ingredient 1 is first-free
diff --git a/cpp/.traces/channel-write-not-empty b/cpp/.traces/channel-write-not-empty
index 42d19d26..45a4a267 100644
--- a/cpp/.traces/channel-write-not-empty
+++ b/cpp/.traces/channel-write-not-empty
@@ -19,13 +19,17 @@ after-brace/0: channel-full? ...
 new/0: routine allocated memory from 1000 to 101000
 schedule/0: test-channel-write-not-empty
 run/0: instruction test-channel-write-not-empty/0
+run/0: {name: "1", value: 1, type: 2-10, properties: ["1": "address":"channel"]} <- init-channel {name: "3", value: 3, type: 0, properties: ["3": "literal", "capacity": ]}
 run/0: instruction init-channel/0
+run/0: {name: "default-space", value: 0, type: 2-5-1, properties: ["default-space": "address":"array":"location"]} <- new {name: "location", value: 1, type: 0, properties: ["location": "type"]}, {name: "30", value: 30, type: 0, properties: ["30": "literal"]}
 mem/0: array size is 30
 mem/0: new alloc: 1000
 run/0: instruction init-channel/1
+run/0: {name: "result", value: 1, type: 2-10, properties: ["result": "address":"channel"]} <- new {name: "channel", value: 10, type: 0, properties: ["channel": "type"]}
 mem/0: new alloc: 1030
 mem/0: storing 1030 in location 1002
 run/0: instruction init-channel/2
+run/0: {name: "full", value: 2, type: 2-1, properties: ["full": "address":"integer"]} <- get-address {name: "result", value: 1, type: 2-10, properties: ["result": "address":"channel", "deref": ]}, {name: "first-full", value: 0, type: 0, properties: ["first-full": "offset"]}
 run/0: ingredient 0 is result
 mem/0: location 1002 is 1030
 run/0: ingredient 1 is first-full
@@ -33,10 +37,12 @@ run/0: address to copy is 1030
 run/0: product 0 is 1030
 mem/0: storing 1030 in location 1003
 run/0: instruction init-channel/3
+run/0: {name: "full", value: 2, type: 2-1, properties: ["full": "address":"integer", "deref": ]} <- copy {name: "0", value: 0, type: 0, properties: ["0": "literal"]}
 run/0: ingredient 0 is 0
 mem/0: location 1003 is 1030
 mem/0: storing 0 in location 1030
 run/0: instruction init-channel/4
+run/0: {name: "free", value: 3, type: 2-1, properties: ["free": "address":"integer"]} <- get-address {name: "result", value: 1, type: 2-10, properties: ["result": "address":"channel", "deref": ]}, {name: "first-free", value: 1, type: 0, properties: ["first-free": "offset"]}
 run/0: ingredient 0 is result
 mem/0: location 1002 is 1030
 run/0: ingredient 1 is first-free
@@ -44,19 +50,23 @@ run/0: address to copy is 1031
 run/0: product 0 is 1031
 mem/0: storing 1031 in location 1004
 run/0: instruction init-channel/5
+run/0: {name: "free", value: 3, type: 2-1, properties: ["free": "address":"integer", "deref": ]} <- copy {name: "0", value: 0, type: 0, properties: ["0": "literal"]}
 run/0: ingredient 0 is 0
 mem/0: location 1004 is 1031
 mem/0: storing 0 in location 1031
 run/0: instruction init-channel/6
+run/0: {name: "capacity", value: 4, type: 1, properties: ["capacity": "integer"]} <- next-ingredient 
 run/0: product 0 is 3
 mem/0: storing 3 in location 1005
 run/0: instruction init-channel/7
+run/0: {name: "capacity", value: 4, type: 1, properties: ["capacity": "integer"]} <- add {name: "capacity", value: 4, type: 1, properties: ["capacity": "integer"]}, {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: ingredient 0 is capacity
 mem/0: location 1005 is 3
 run/0: ingredient 1 is 1
 run/0: product 0 is 4
 mem/0: storing 4 in location 1005
 run/0: instruction init-channel/8
+run/0: {name: "dest", value: 5, type: 2-2-5-1, properties: ["dest": "address":"address":"array":"location"]} <- get-address {name: "result", value: 1, type: 2-10, properties: ["result": "address":"channel", "deref": ]}, {name: "data", value: 2, type: 0, properties: ["data": "offset"]}
 run/0: ingredient 0 is result
 mem/0: location 1002 is 1030
 run/0: ingredient 1 is data
@@ -64,35 +74,45 @@ run/0: address to copy is 1032
 run/0: product 0 is 1032
 mem/0: storing 1032 in location 1006
 run/0: instruction init-channel/9
+run/0: {name: "dest", value: 5, type: 2-2-5-1, properties: ["dest": "address":"address":"array":"location", "deref": ]} <- new {name: "location", value: 1, type: 0, properties: ["location": "type"]}, {name: "capacity", value: 4, type: 1, properties: ["capacity": "integer"]}
 mem/0: location 1005 is 4
 mem/0: array size is 4
 mem/0: new alloc: 1033
 mem/0: location 1006 is 1032
 mem/0: storing 1033 in location 1032
 run/0: instruction init-channel/10
+run/0: reply {name: "result", value: 1, type: 2-10, properties: ["result": "address":"channel"]}
 mem/0: location 1002 is 1030
 run/0: result 0 is 1030
 mem/0: storing 1030 in location 1
 run/0: instruction test-channel-write-not-empty/1
+run/0: {name: "1", value: 1, type: 2-10, properties: ["1": "address":"channel"]} <- write {name: "1", value: 1, type: 2-10, properties: ["1": "address":"channel"]}, {name: "34", value: 34, type: 0, properties: ["34": "literal"]}
 mem/0: location 1 is 1030
 run/0: instruction write/0
+run/0: {name: "default-space", value: 0, type: 2-5-1, properties: ["default-space": "address":"array":"location"]} <- new {name: "location", value: 1, type: 0, properties: ["location": "type"]}, {name: "30", value: 30, type: 0, properties: ["30": "literal"]}
 mem/0: array size is 30
 mem/0: new alloc: 1037
 run/0: instruction write/1
+run/0: {name: "chan", value: 1, type: 2-10, properties: ["chan": "address":"channel"]} <- next-ingredient 
 run/0: product 0 is 1030
 mem/0: storing 1030 in location 1039
 run/0: instruction write/2
+run/0: {name: "val", value: 2, type: 1, properties: ["val": "location"]} <- next-ingredient 
 run/0: product 0 is 34
 mem/0: storing 34 in location 1040
 run/0: instruction write/4
+run/0: {name: "full", value: 3, type: 3, properties: ["full": "boolean"]} <- channel-full? {name: "chan", value: 1, type: 2-10, properties: ["chan": "address":"channel"]}
 mem/0: location 1039 is 1030
 run/0: instruction channel-full?/0
+run/0: {name: "default-space", value: 0, type: 2-5-1, properties: ["default-space": "address":"array":"location"]} <- new {name: "location", value: 1, type: 0, properties: ["location": "type"]}, {name: "30", value: 30, type: 0, properties: ["30": "literal"]}
 mem/0: array size is 30
 mem/0: new alloc: 1067
 run/0: instruction channel-full?/1
+run/0: {name: "chan", value: 1, type: 2-10, properties: ["chan": "address":"channel"]} <- next-ingredient 
 run/0: product 0 is 1030
 mem/0: storing 1030 in location 1069
 run/0: instruction channel-full?/2
+run/0: {name: "tmp", value: 2, type: 1, properties: ["tmp": "integer"]} <- get {name: "chan", value: 1, type: 2-10, properties: ["chan": "address":"channel", "deref": ]}, {name: "first-free", value: 1, type: 0, properties: ["first-free": "offset"]}
 run/0: ingredient 0 is chan
 mem/0: location 1069 is 1030
 run/0: ingredient 1 is first-free
@@ -102,20 +122,25 @@ mem/0: location 1031 is 0
 run/0: product 0 is 0
 mem/0: storing 0 in location 1070
 run/0: instruction channel-full?/3
+run/0: {name: "tmp", value: 2, type: 1, properties: ["tmp": "integer"]} <- add {name: "tmp", value: 2, type: 1, properties: ["tmp": "integer"]}, {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: ingredient 0 is tmp
 mem/0: location 1070 is 0
 run/0: ingredient 1 is 1
 run/0: product 0 is 1
 mem/0: storing 1 in location 1070
 run/0: instruction channel-full?/5
+run/0: {name: "len", value: 3, type: 1, properties: ["len": "integer"]} <- channel-capacity {name: "chan", value: 1, type: 2-10, properties: ["chan": "address":"channel"]}
 mem/0: location 1069 is 1030
 run/0: instruction channel-capacity/0
+run/0: {name: "default-space", value: 0, type: 2-5-1, properties: ["default-space": "address":"array":"location"]} <- new {name: "location", value: 1, type: 0, properties: ["location": "type"]}, {name: "30", value: 30, type: 0, properties: ["30": "literal"]}
 mem/0: array size is 30
 mem/0: new alloc: 1097
 run/0: instruction channel-capacity/1
+run/0: {name: "chan", value: 1, type: 2-10, properties: ["chan": "address":"channel"]} <- next-ingredient 
 run/0: product 0 is 1030
 mem/0: storing 1030 in location 1099
 run/0: instruction channel-capacity/2
+run/0: {name: "q", value: 2, type: 2-5-1, properties: ["q": "address":"array":"location"]} <- get {name: "chan", value: 1, type: 2-10, properties: ["chan": "address":"channel", "deref": ]}, {name: "data", value: 2, type: 0, properties: ["data": "offset"]}
 run/0: ingredient 0 is chan
 mem/0: location 1099 is 1030
 run/0: ingredient 1 is data
@@ -125,13 +150,16 @@ mem/0: location 1032 is 1033
 run/0: product 0 is 1033
 mem/0: storing 1033 in location 1100
 run/0: instruction channel-capacity/3
+run/0: {name: "result", value: 3, type: 1, properties: ["result": "integer"]} <- length {name: "q", value: 2, type: 2-5-1, properties: ["q": "address":"array":"location", "deref": ]}
 mem/0: location 1100 is 1033
 mem/0: storing 4 in location 1101
 run/0: instruction channel-capacity/4
+run/0: reply {name: "result", value: 3, type: 1, properties: ["result": "integer"]}
 mem/0: location 1101 is 4
 run/0: result 0 is 4
 mem/0: storing 4 in location 1071
 run/0: instruction channel-full?/6
+run/0: {name: "at-end?", value: 4, type: 3, properties: ["at-end?": "boolean"]} <- greater-or-equal {name: "tmp", value: 2, type: 1, properties: ["tmp": "integer"]}, {name: "len", value: 3, type: 1, properties: ["len": "integer"]}
 run/0: ingredient 0 is tmp
 mem/0: location 1070 is 1
 run/0: ingredient 1 is len
@@ -139,11 +167,13 @@ mem/0: location 1071 is 4
 run/0: product 0 is 0
 mem/0: storing 0 in location 1072
 run/0: instruction channel-full?/7
+run/0: break-unless {name: "at-end?", value: 4, type: 3, properties: ["at-end?": "boolean"]}, {name: "", value: 1, type: , properties: ["": ]}
 mem/0: location 1072 is 0
 run/0: ingredient 0 is 0
 run/0: ingredient 1 is 
 run/0: jumping to instruction 9
 run/0: instruction channel-full?/10
+run/0: {name: "full", value: 5, type: 1, properties: ["full": "integer"]} <- get {name: "chan", value: 1, type: 2-10, properties: ["chan": "address":"channel", "deref": ]}, {name: "first-full", value: 0, type: 0, properties: ["first-full": "offset"]}
 run/0: ingredient 0 is chan
 mem/0: location 1069 is 1030
 run/0: ingredient 1 is first-full
@@ -153,6 +183,7 @@ mem/0: location 1030 is 0
 run/0: product 0 is 0
 mem/0: storing 0 in location 1073
 run/0: instruction channel-full?/11
+run/0: {name: "result", value: 6, type: 3, properties: ["result": "boolean"]} <- equal {name: "full", value: 5, type: 1, properties: ["full": "integer"]}, {name: "tmp", value: 2, type: 1, properties: ["tmp": "integer"]}
 run/0: ingredient 0 is full
 mem/0: location 1073 is 0
 run/0: ingredient 1 is tmp
@@ -160,15 +191,18 @@ mem/0: location 1070 is 1
 run/0: product 0 is 0
 mem/0: storing 0 in location 1074
 run/0: instruction channel-full?/12
+run/0: reply {name: "result", value: 6, type: 3, properties: ["result": "boolean"]}
 mem/0: location 1074 is 0
 run/0: result 0 is 0
 mem/0: storing 0 in location 1041
 run/0: instruction write/5
+run/0: break-unless {name: "full", value: 3, type: 3, properties: ["full": "boolean"]}, {name: "", value: 2, type: , properties: ["": ]}
 mem/0: location 1041 is 0
 run/0: ingredient 0 is 0
 run/0: ingredient 1 is 
 run/0: jumping to instruction 8
 run/0: instruction write/9
+run/0: {name: "circular-buffer", value: 5, type: 2-5-1, properties: ["circular-buffer": "address":"array":"location"]} <- get {name: "chan", value: 1, type: 2-10, properties: ["chan": "address":"channel", "deref": ]}, {name: "data", value: 2, type: 0, properties: ["data": "offset"]}
 run/0: ingredient 0 is chan
 mem/0: location 1039 is 1030
 run/0: ingredient 1 is data
@@ -178,6 +212,7 @@ mem/0: location 1032 is 1033
 run/0: product 0 is 1033
 mem/0: storing 1033 in location 1043
 run/0: instruction write/10
+run/0: {name: "free", value: 6, type: 2-1, properties: ["free": "address":"integer"]} <- get-address {name: "chan", value: 1, type: 2-10, properties: ["chan": "address":"channel", "deref": ]}, {name: "first-free", value: 1, type: 0, properties: ["first-free": "offset"]}
 run/0: ingredient 0 is chan
 mem/0: location 1039 is 1030
 run/0: ingredient 1 is first-free
@@ -185,6 +220,7 @@ run/0: address to copy is 1031
 run/0: product 0 is 1031
 mem/0: storing 1031 in location 1044
 run/0: instruction write/11
+run/0: {name: "dest", value: 7, type: 2-1, properties: ["dest": "address":"location"]} <- index-address {name: "circular-buffer", value: 5, type: 2-5-1, properties: ["circular-buffer": "address":"array":"location", "deref": ]}, {name: "free", value: 6, type: 2-1, properties: ["free": "address":"integer", "deref": ]}
 run/0: ingredient 0 is circular-buffer
 mem/0: location 1043 is 1033
 run/0: ingredient 1 is {name: "free", value: 6, type: 2-1, properties: ["free": "address":"integer", "deref": ]}
@@ -194,11 +230,13 @@ run/0: address to copy is 1034
 run/0: product 0 is 1034
 mem/0: storing 1034 in location 1045
 run/0: instruction write/12
+run/0: {name: "dest", value: 7, type: 2-1, properties: ["dest": "address":"location", "deref": ]} <- copy {name: "val", value: 2, type: 1, properties: ["val": "location"]}
 run/0: ingredient 0 is val
 mem/0: location 1040 is 34
 mem/0: location 1045 is 1034
 mem/0: storing 34 in location 1034
 run/0: instruction write/13
+run/0: {name: "free", value: 6, type: 2-1, properties: ["free": "address":"integer", "deref": ]} <- add {name: "free", value: 6, type: 2-1, properties: ["free": "address":"integer", "deref": ]}, {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: ingredient 0 is free
 mem/0: location 1044 is 1031
 mem/0: location 1031 is 0
@@ -207,9 +245,11 @@ run/0: product 0 is 1
 mem/0: location 1044 is 1031
 mem/0: storing 1 in location 1031
 run/0: instruction write/15
+run/0: {name: "len", value: 8, type: 1, properties: ["len": "integer"]} <- length {name: "circular-buffer", value: 5, type: 2-5-1, properties: ["circular-buffer": "address":"array":"location", "deref": ]}
 mem/0: location 1043 is 1033
 mem/0: storing 4 in location 1046
 run/0: instruction write/16
+run/0: {name: "at-end?", value: 9, type: 3, properties: ["at-end?": "boolean"]} <- greater-or-equal {name: "free", value: 6, type: 2-1, properties: ["free": "address":"integer", "deref": ]}, {name: "len", value: 8, type: 1, properties: ["len": "integer"]}
 run/0: ingredient 0 is free
 mem/0: location 1044 is 1031
 mem/0: location 1031 is 1
@@ -218,23 +258,29 @@ mem/0: location 1046 is 4
 run/0: product 0 is 0
 mem/0: storing 0 in location 1047
 run/0: instruction write/17
+run/0: break-unless {name: "at-end?", value: 9, type: 3, properties: ["at-end?": "boolean"]}, {name: "", value: 1, type: , properties: ["": ]}
 mem/0: location 1047 is 0
 run/0: ingredient 0 is 0
 run/0: ingredient 1 is 
 run/0: jumping to instruction 19
 run/0: instruction write/20
+run/0: reply {name: "chan", value: 1, type: 2-10, properties: ["chan": "address":"channel", "same-as-ingredient": "0"]}
 mem/0: location 1039 is 1030
 run/0: result 0 is 1030
 mem/0: storing 1030 in location 1
 run/0: instruction test-channel-write-not-empty/2
+run/0: {name: "2", value: 2, type: 1, properties: ["2": "integer"]} <- channel-empty? {name: "1", value: 1, type: 2-10, properties: ["1": "address":"channel"]}
 mem/0: location 1 is 1030
 run/0: instruction channel-empty?/0
+run/0: {name: "default-space", value: 0, type: 2-5-1, properties: ["default-space": "address":"array":"location"]} <- new {name: "location", value: 1, type: 0, properties: ["location": "type"]}, {name: "30", value: 30, type: 0, properties: ["30": "literal"]}
 mem/0: array size is 30
 mem/0: new alloc: 1127
 run/0: instruction channel-empty?/1
+run/0: {name: "chan", value: 1, type: 2-10, properties: ["chan": "address":"channel"]} <- next-ingredient 
 run/0: product 0 is 1030
 mem/0: storing 1030 in location 1129
 run/0: instruction channel-empty?/2
+run/0: {name: "full", value: 2, type: 1, properties: ["full": "integer"]} <- get {name: "chan", value: 1, type: 2-10, properties: ["chan": "address":"channel", "deref": ]}, {name: "first-full", value: 0, type: 0, properties: ["first-full": "offset"]}
 run/0: ingredient 0 is chan
 mem/0: location 1129 is 1030
 run/0: ingredient 1 is first-full
@@ -244,6 +290,7 @@ mem/0: location 1030 is 0
 run/0: product 0 is 0
 mem/0: storing 0 in location 1130
 run/0: instruction channel-empty?/3
+run/0: {name: "free", value: 3, type: 1, properties: ["free": "integer"]} <- get {name: "chan", value: 1, type: 2-10, properties: ["chan": "address":"channel", "deref": ]}, {name: "first-free", value: 1, type: 0, properties: ["first-free": "offset"]}
 run/0: ingredient 0 is chan
 mem/0: location 1129 is 1030
 run/0: ingredient 1 is first-free
@@ -253,6 +300,7 @@ mem/0: location 1031 is 1
 run/0: product 0 is 1
 mem/0: storing 1 in location 1131
 run/0: instruction channel-empty?/4
+run/0: {name: "result", value: 4, type: 3, properties: ["result": "boolean"]} <- equal {name: "full", value: 2, type: 1, properties: ["full": "integer"]}, {name: "free", value: 3, type: 1, properties: ["free": "integer"]}
 run/0: ingredient 0 is full
 mem/0: location 1130 is 0
 run/0: ingredient 1 is free
@@ -260,18 +308,23 @@ mem/0: location 1131 is 1
 run/0: product 0 is 0
 mem/0: storing 0 in location 1132
 run/0: instruction channel-empty?/5
+run/0: reply {name: "result", value: 4, type: 3, properties: ["result": "boolean"]}
 mem/0: location 1132 is 0
 run/0: result 0 is 0
 mem/0: storing 0 in location 2
 run/0: instruction test-channel-write-not-empty/3
+run/0: {name: "3", value: 3, type: 1, properties: ["3": "integer"]} <- channel-full? {name: "1", value: 1, type: 2-10, properties: ["1": "address":"channel"]}
 mem/0: location 1 is 1030
 run/0: instruction channel-full?/0
+run/0: {name: "default-space", value: 0, type: 2-5-1, properties: ["default-space": "address":"array":"location"]} <- new {name: "location", value: 1, type: 0, properties: ["location": "type"]}, {name: "30", value: 30, type: 0, properties: ["30": "literal"]}
 mem/0: array size is 30
 mem/0: new alloc: 1157
 run/0: instruction channel-full?/1
+run/0: {name: "chan", value: 1, type: 2-10, properties: ["chan": "address":"channel"]} <- next-ingredient 
 run/0: product 0 is 1030
 mem/0: storing 1030 in location 1159
 run/0: instruction channel-full?/2
+run/0: {name: "tmp", value: 2, type: 1, properties: ["tmp": "integer"]} <- get {name: "chan", value: 1, type: 2-10, properties: ["chan": "address":"channel", "deref": ]}, {name: "first-free", value: 1, type: 0, properties: ["first-free": "offset"]}
 run/0: ingredient 0 is chan
 mem/0: location 1159 is 1030
 run/0: ingredient 1 is first-free
@@ -281,20 +334,25 @@ mem/0: location 1031 is 1
 run/0: product 0 is 1
 mem/0: storing 1 in location 1160
 run/0: instruction channel-full?/3
+run/0: {name: "tmp", value: 2, type: 1, properties: ["tmp": "integer"]} <- add {name: "tmp", value: 2, type: 1, properties: ["tmp": "integer"]}, {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: ingredient 0 is tmp
 mem/0: location 1160 is 1
 run/0: ingredient 1 is 1
 run/0: product 0 is 2
 mem/0: storing 2 in location 1160
 run/0: instruction channel-full?/5
+run/0: {name: "len", value: 3, type: 1, properties: ["len": "integer"]} <- channel-capacity {name: "chan", value: 1, type: 2-10, properties: ["chan": "address":"channel"]}
 mem/0: location 1159 is 1030
 run/0: instruction channel-capacity/0
+run/0: {name: "default-space", value: 0, type: 2-5-1, properties: ["default-space": "address":"array":"location"]} <- new {name: "location", value: 1, type: 0, properties: ["location": "type"]}, {name: "30", value: 30, type: 0, properties: ["30": "literal"]}
 mem/0: array size is 30
 mem/0: new alloc: 1187
 run/0: instruction channel-capacity/1
+run/0: {name: "chan", value: 1, type: 2-10, properties: ["chan": "address":"channel"]} <- next-ingredient 
 run/0: product 0 is 1030
 mem/0: storing 1030 in location 1189
 run/0: instruction channel-capacity/2
+run/0: {name: "q", value: 2, type: 2-5-1, properties: ["q": "address":"array":"location"]} <- get {name: "chan", value: 1, type: 2-10, properties: ["chan": "address":"channel", "deref": ]}, {name: "data", value: 2, type: 0, properties: ["data": "offset"]}
 run/0: ingredient 0 is chan
 mem/0: location 1189 is 1030
 run/0: ingredient 1 is data
@@ -304,13 +362,16 @@ mem/0: location 1032 is 1033
 run/0: product 0 is 1033
 mem/0: storing 1033 in location 1190
 run/0: instruction channel-capacity/3
+run/0: {name: "result", value: 3, type: 1, properties: ["result": "integer"]} <- length {name: "q", value: 2, type: 2-5-1, properties: ["q": "address":"array":"location", "deref": ]}
 mem/0: location 1190 is 1033
 mem/0: storing 4 in location 1191
 run/0: instruction channel-capacity/4
+run/0: reply {name: "result", value: 3, type: 1, properties: ["result": "integer"]}
 mem/0: location 1191 is 4
 run/0: result 0 is 4
 mem/0: storing 4 in location 1161
 run/0: instruction channel-full?/6
+run/0: {name: "at-end?", value: 4, type: 3, properties: ["at-end?": "boolean"]} <- greater-or-equal {name: "tmp", value: 2, type: 1, properties: ["tmp": "integer"]}, {name: "len", value: 3, type: 1, properties: ["len": "integer"]}
 run/0: ingredient 0 is tmp
 mem/0: location 1160 is 2
 run/0: ingredient 1 is len
@@ -318,11 +379,13 @@ mem/0: location 1161 is 4
 run/0: product 0 is 0
 mem/0: storing 0 in location 1162
 run/0: instruction channel-full?/7
+run/0: break-unless {name: "at-end?", value: 4, type: 3, properties: ["at-end?": "boolean"]}, {name: "", value: 1, type: , properties: ["": ]}
 mem/0: location 1162 is 0
 run/0: ingredient 0 is 0
 run/0: ingredient 1 is 
 run/0: jumping to instruction 9
 run/0: instruction channel-full?/10
+run/0: {name: "full", value: 5, type: 1, properties: ["full": "integer"]} <- get {name: "chan", value: 1, type: 2-10, properties: ["chan": "address":"channel", "deref": ]}, {name: "first-full", value: 0, type: 0, properties: ["first-full": "offset"]}
 run/0: ingredient 0 is chan
 mem/0: location 1159 is 1030
 run/0: ingredient 1 is first-full
@@ -332,6 +395,7 @@ mem/0: location 1030 is 0
 run/0: product 0 is 0
 mem/0: storing 0 in location 1163
 run/0: instruction channel-full?/11
+run/0: {name: "result", value: 6, type: 3, properties: ["result": "boolean"]} <- equal {name: "full", value: 5, type: 1, properties: ["full": "integer"]}, {name: "tmp", value: 2, type: 1, properties: ["tmp": "integer"]}
 run/0: ingredient 0 is full
 mem/0: location 1163 is 0
 run/0: ingredient 1 is tmp
@@ -339,6 +403,7 @@ mem/0: location 1160 is 2
 run/0: product 0 is 0
 mem/0: storing 0 in location 1164
 run/0: instruction channel-full?/12
+run/0: reply {name: "result", value: 6, type: 3, properties: ["result": "boolean"]}
 mem/0: location 1164 is 0
 run/0: result 0 is 0
 mem/0: storing 0 in location 3
diff --git a/cpp/.traces/check_string_in_memory b/cpp/.traces/check_string_in_memory
index 3830dc47..635a5557 100644
--- a/cpp/.traces/check_string_in_memory
+++ b/cpp/.traces/check_string_in_memory
@@ -18,14 +18,18 @@ after-brace/0: copy ...
 new/0: routine allocated memory from 1000 to 101000
 schedule/0: test-check_string_in_memory
 run/0: instruction test-check_string_in_memory/0
+run/0: {name: "1", value: 1, type: 1, properties: ["1": "integer"]} <- copy {name: "3", value: 3, type: 0, properties: ["3": "literal"]}
 run/0: ingredient 0 is 3
 mem/0: storing 3 in location 1
 run/0: instruction test-check_string_in_memory/1
+run/0: {name: "2", value: 2, type: 4, properties: ["2": "character"]} <- copy {name: "97", value: 97, type: 0, properties: ["97": "literal"]}
 run/0: ingredient 0 is 97
 mem/0: storing 97 in location 2
 run/0: instruction test-check_string_in_memory/2
+run/0: {name: "3", value: 3, type: 4, properties: ["3": "character"]} <- copy {name: "98", value: 98, type: 0, properties: ["98": "literal"]}
 run/0: ingredient 0 is 98
 mem/0: storing 98 in location 3
 run/0: instruction test-check_string_in_memory/3
+run/0: {name: "4", value: 4, type: 4, properties: ["4": "character"]} <- copy {name: "99", value: 99, type: 0, properties: ["99": "literal"]}
 run/0: ingredient 0 is 99
 mem/0: storing 99 in location 4
diff --git a/cpp/.traces/closure b/cpp/.traces/closure
index 047b3a7d..eea62ad0 100644
--- a/cpp/.traces/closure
+++ b/cpp/.traces/closure
@@ -63,60 +63,78 @@ after-brace/0: reply ...
 new/0: routine allocated memory from 1000 to 101000
 schedule/0: main
 run/0: instruction main/0
+run/0: {name: "default-space", value: 0, type: 2-5-1, properties: ["default-space": "address":"array":"location"]} <- new {name: "location", value: 1, type: 0, properties: ["location": "type"]}, {name: "30", value: 30, type: 0, properties: ["30": "literal"]}
 mem/0: array size is 30
 mem/0: new alloc: 1000
 run/0: instruction main/1
+run/0: {name: "1", value: 1, type: 2-5-1, properties: ["1": "address":"array":"location", "names": "init-counter"]} <- init-counter 
 run/0: instruction init-counter/0
+run/0: {name: "default-space", value: 0, type: 2-5-1, properties: ["default-space": "address":"array":"location"]} <- new {name: "location", value: 1, type: 0, properties: ["location": "type"]}, {name: "30", value: 30, type: 0, properties: ["30": "literal"]}
 mem/0: array size is 30
 mem/0: new alloc: 1030
 run/0: instruction init-counter/1
+run/0: {name: "x", value: 1, type: 1, properties: ["x": "integer"]} <- copy {name: "23", value: 23, type: 0, properties: ["23": "literal"]}
 run/0: ingredient 0 is 23
 mem/0: storing 23 in location 1032
 run/0: instruction init-counter/2
+run/0: {name: "y", value: 2, type: 1, properties: ["y": "integer"]} <- copy {name: "3", value: 3, type: 0, properties: ["3": "literal"]}
 run/0: ingredient 0 is 3
 mem/0: storing 3 in location 1033
 run/0: instruction init-counter/3
+run/0: reply {name: "default-space", value: 0, type: 2-5-1, properties: ["default-space": "address":"array":"location"]}
 run/0: result 0 is 1030
 mem/0: storing 1030 in location 1002
 run/0: instruction main/2
+run/0: {name: "2", value: 2, type: 1, properties: ["2": "integer", "raw": ]} <- increment-counter {name: "1", value: 1, type: 2-5-1, properties: ["1": "address":"array":"location", "names": "init-counter"]}
 mem/0: location 1002 is 1030
 run/0: instruction increment-counter/0
+run/0: {name: "default-space", value: 0, type: 2-5-1, properties: ["default-space": "address":"array":"location"]} <- new {name: "space", value: 0, type: 0, properties: ["space": "literal"]}, {name: "30", value: 30, type: 0, properties: ["30": "literal"]}
 mem/0: array size is 30
 mem/0: new alloc: 1060
 run/0: instruction increment-counter/1
+run/0: {name: "0", value: 0, type: 2-5-1, properties: ["0": "address":"array":"location", "names": "init-counter"]} <- next-ingredient 
 run/0: product 0 is 1030
 mem/0: storing 1030 in location 1061
 run/0: instruction increment-counter/2
+run/0: {name: "y", value: 2, type: 1, properties: ["y": "integer", "space": "1"]} <- add {name: "y", value: 2, type: 1, properties: ["y": "integer", "space": "1"]}, {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: ingredient 0 is y
 mem/0: location 1033 is 3
 run/0: ingredient 1 is 1
 run/0: product 0 is 4
 mem/0: storing 4 in location 1033
 run/0: instruction increment-counter/3
+run/0: {name: "y", value: 1, type: 1, properties: ["y": "integer"]} <- copy {name: "234", value: 234, type: 0, properties: ["234": "literal"]}
 run/0: ingredient 0 is 234
 mem/0: storing 234 in location 1062
 run/0: instruction increment-counter/4
+run/0: reply {name: "y", value: 2, type: 1, properties: ["y": "integer", "space": "1"]}
 mem/0: location 1033 is 4
 run/0: result 0 is 4
 mem/0: storing 4 in location 2
 run/0: instruction main/3
+run/0: {name: "3", value: 3, type: 1, properties: ["3": "integer", "raw": ]} <- increment-counter {name: "1", value: 1, type: 2-5-1, properties: ["1": "address":"array":"location", "names": "init-counter"]}
 mem/0: location 1002 is 1030
 run/0: instruction increment-counter/0
+run/0: {name: "default-space", value: 0, type: 2-5-1, properties: ["default-space": "address":"array":"location"]} <- new {name: "space", value: 0, type: 0, properties: ["space": "literal"]}, {name: "30", value: 30, type: 0, properties: ["30": "literal"]}
 mem/0: array size is 30
 mem/0: new alloc: 1090
 run/0: instruction increment-counter/1
+run/0: {name: "0", value: 0, type: 2-5-1, properties: ["0": "address":"array":"location", "names": "init-counter"]} <- next-ingredient 
 run/0: product 0 is 1030
 mem/0: storing 1030 in location 1091
 run/0: instruction increment-counter/2
+run/0: {name: "y", value: 2, type: 1, properties: ["y": "integer", "space": "1"]} <- add {name: "y", value: 2, type: 1, properties: ["y": "integer", "space": "1"]}, {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: ingredient 0 is y
 mem/0: location 1033 is 4
 run/0: ingredient 1 is 1
 run/0: product 0 is 5
 mem/0: storing 5 in location 1033
 run/0: instruction increment-counter/3
+run/0: {name: "y", value: 1, type: 1, properties: ["y": "integer"]} <- copy {name: "234", value: 234, type: 0, properties: ["234": "literal"]}
 run/0: ingredient 0 is 234
 mem/0: storing 234 in location 1092
 run/0: instruction increment-counter/4
+run/0: reply {name: "y", value: 2, type: 1, properties: ["y": "integer", "space": "1"]}
 mem/0: location 1033 is 5
 run/0: result 0 is 5
 mem/0: storing 5 in location 3
diff --git a/cpp/.traces/convert_names b/cpp/.traces/convert_names
index 4d8a676b..96e8a0f8 100644
--- a/cpp/.traces/convert_names
+++ b/cpp/.traces/convert_names
@@ -7,5 +7,6 @@ after-brace/0: copy ...
 new/0: routine allocated memory from 1000 to 101000
 schedule/0: main
 run/0: instruction main/0
+run/0: {name: "x", value: 1, type: 1, properties: ["x": "integer"]} <- copy {name: "0", value: 0, type: 0, properties: ["0": "literal"]}
 run/0: ingredient 0 is 0
 mem/0: storing 0 in location 1
diff --git a/cpp/.traces/convert_names_passes_default_space b/cpp/.traces/convert_names_passes_default_space
index c3a163bc..b26d843a 100644
--- a/cpp/.traces/convert_names_passes_default_space
+++ b/cpp/.traces/convert_names_passes_default_space
@@ -8,4 +8,5 @@ after-brace/0: copy ...
 new/0: routine allocated memory from 1000 to 101000
 schedule/0: main
 run/0: instruction main/0
+run/0: {name: "default-space", value: 0, type: 1, properties: ["default-space": "integer"]}, {name: "x", value: 1, type: 1, properties: ["x": "integer"]} <- copy {name: "0", value: 0, type: 0, properties: ["0": "literal"]}
 run/0: ingredient 0 is 0
diff --git a/cpp/.traces/convert_names_passes_dummy b/cpp/.traces/convert_names_passes_dummy
index 83d5c510..c0fe17de 100644
--- a/cpp/.traces/convert_names_passes_dummy
+++ b/cpp/.traces/convert_names_passes_dummy
@@ -8,4 +8,5 @@ after-brace/0: copy ...
 new/0: routine allocated memory from 1000 to 101000
 schedule/0: main
 run/0: instruction main/0
+run/0: {name: "_", value: 0, type: 0, properties: ["_": "dummy"]}, {name: "x", value: 1, type: 1, properties: ["x": "integer"]} <- copy {name: "0", value: 0, type: 0, properties: ["0": "literal"]}
 run/0: ingredient 0 is 0
diff --git a/cpp/.traces/convert_names_passes_raw b/cpp/.traces/convert_names_passes_raw
index e1d35cb7..6e25c354 100644
--- a/cpp/.traces/convert_names_passes_raw
+++ b/cpp/.traces/convert_names_passes_raw
@@ -6,5 +6,6 @@ after-brace/0: copy ...
 new/0: routine allocated memory from 1000 to 101000
 schedule/0: main
 run/0: instruction main/0
+run/0: {name: "x", value: 0, type: 1, properties: ["x": "integer", "raw": ]} <- copy {name: "0", value: 0, type: 0, properties: ["0": "literal"]}
 run/0: ingredient 0 is 0
 mem/0: storing 0 in location 0
diff --git a/cpp/.traces/convert_names_transforms_container_elements b/cpp/.traces/convert_names_transforms_container_elements
index 64200f1e..5cf58994 100644
--- a/cpp/.traces/convert_names_transforms_container_elements
+++ b/cpp/.traces/convert_names_transforms_container_elements
@@ -16,6 +16,7 @@ after-brace/0: get ...
 new/0: routine allocated memory from 1000 to 101000
 schedule/0: main
 run/0: instruction main/0
+run/0: {name: "a", value: 1, type: 1, properties: ["a": "integer"]} <- get {name: "0", value: 0, type: 6, properties: ["0": "point"]}, {name: "y", value: 1, type: 0, properties: ["y": "offset"]}
 run/0: ingredient 0 is 0
 run/0: ingredient 1 is y
 run/0: address to copy is 1
@@ -24,6 +25,7 @@ mem/0: location 1 is 0
 run/0: product 0 is 0
 mem/0: storing 0 in location 1
 run/0: instruction main/1
+run/0: {name: "b", value: 2, type: 1, properties: ["b": "integer"]} <- get {name: "0", value: 0, type: 6, properties: ["0": "point"]}, {name: "x", value: 0, type: 0, properties: ["x": "offset"]}
 run/0: ingredient 0 is 0
 run/0: ingredient 1 is x
 run/0: address to copy is 0
diff --git a/cpp/.traces/convert_names_warns b/cpp/.traces/convert_names_warns
index 3a4204dc..bd98273a 100644
--- a/cpp/.traces/convert_names_warns
+++ b/cpp/.traces/convert_names_warns
@@ -9,6 +9,7 @@ after-brace/0: copy ...
 new/0: routine allocated memory from 1000 to 101000
 schedule/0: main
 run/0: instruction main/0
+run/0: {name: "x", value: 1, type: 1, properties: ["x": "integer"]} <- copy {name: "y", value: 0, type: 1, properties: ["y": "integer"]}
 run/0: ingredient 0 is y
 mem/0: location 0 is 0
 mem/0: storing 0 in location 1
diff --git a/cpp/.traces/copy b/cpp/.traces/copy
index 17a10725..e8cd036f 100644
--- a/cpp/.traces/copy
+++ b/cpp/.traces/copy
@@ -10,9 +10,11 @@ after-brace/0: copy ...
 new/0: routine allocated memory from 1000 to 101000
 schedule/0: main
 run/0: instruction main/0
+run/0: {name: "1", value: 1, type: 1, properties: ["1": "integer"]} <- copy {name: "23", value: 23, type: 0, properties: ["23": "literal"]}
 run/0: ingredient 0 is 23
 mem/0: storing 23 in location 1
 run/0: instruction main/1
+run/0: {name: "2", value: 2, type: 1, properties: ["2": "integer"]} <- copy {name: "1", value: 1, type: 1, properties: ["1": "integer"]}
 run/0: ingredient 0 is 1
 mem/0: location 1 is 23
 mem/0: storing 23 in location 2
diff --git a/cpp/.traces/copy_array b/cpp/.traces/copy_array
index 693d0c56..4acd43fe 100644
--- a/cpp/.traces/copy_array
+++ b/cpp/.traces/copy_array
@@ -22,18 +22,23 @@ after-brace/0: copy ...
 new/0: routine allocated memory from 1000 to 101000
 schedule/0: main
 run/0: instruction main/0
+run/0: {name: "1", value: 1, type: 1, properties: ["1": "integer"]} <- copy {name: "3", value: 3, type: 0, properties: ["3": "literal"]}
 run/0: ingredient 0 is 3
 mem/0: storing 3 in location 1
 run/0: instruction main/1
+run/0: {name: "2", value: 2, type: 1, properties: ["2": "integer"]} <- copy {name: "14", value: 14, type: 0, properties: ["14": "literal"]}
 run/0: ingredient 0 is 14
 mem/0: storing 14 in location 2
 run/0: instruction main/2
+run/0: {name: "3", value: 3, type: 1, properties: ["3": "integer"]} <- copy {name: "15", value: 15, type: 0, properties: ["15": "literal"]}
 run/0: ingredient 0 is 15
 mem/0: storing 15 in location 3
 run/0: instruction main/3
+run/0: {name: "4", value: 4, type: 1, properties: ["4": "integer"]} <- copy {name: "16", value: 16, type: 0, properties: ["16": "literal"]}
 run/0: ingredient 0 is 16
 mem/0: storing 16 in location 4
 run/0: instruction main/4
+run/0: {name: "5", value: 5, type: 5-1, properties: ["5": "array":"integer"]} <- copy {name: "1", value: 1, type: 5-1, properties: ["1": "array":"integer"]}
 run/0: ingredient 0 is 1
 mem/0: location 1 is 3
 mem/0: location 2 is 14
diff --git a/cpp/.traces/copy_array_indirect b/cpp/.traces/copy_array_indirect
index e09614f9..1ffcac68 100644
--- a/cpp/.traces/copy_array_indirect
+++ b/cpp/.traces/copy_array_indirect
@@ -26,21 +26,27 @@ after-brace/0: copy ...
 new/0: routine allocated memory from 1000 to 101000
 schedule/0: main
 run/0: instruction main/0
+run/0: {name: "1", value: 1, type: 1, properties: ["1": "integer"]} <- copy {name: "3", value: 3, type: 0, properties: ["3": "literal"]}
 run/0: ingredient 0 is 3
 mem/0: storing 3 in location 1
 run/0: instruction main/1
+run/0: {name: "2", value: 2, type: 1, properties: ["2": "integer"]} <- copy {name: "14", value: 14, type: 0, properties: ["14": "literal"]}
 run/0: ingredient 0 is 14
 mem/0: storing 14 in location 2
 run/0: instruction main/2
+run/0: {name: "3", value: 3, type: 1, properties: ["3": "integer"]} <- copy {name: "15", value: 15, type: 0, properties: ["15": "literal"]}
 run/0: ingredient 0 is 15
 mem/0: storing 15 in location 3
 run/0: instruction main/3
+run/0: {name: "4", value: 4, type: 1, properties: ["4": "integer"]} <- copy {name: "16", value: 16, type: 0, properties: ["16": "literal"]}
 run/0: ingredient 0 is 16
 mem/0: storing 16 in location 4
 run/0: instruction main/4
+run/0: {name: "5", value: 5, type: 2-5-1, properties: ["5": "address":"array":"integer"]} <- copy {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: ingredient 0 is 1
 mem/0: storing 1 in location 5
 run/0: instruction main/5
+run/0: {name: "6", value: 6, type: 5-1, properties: ["6": "array":"integer"]} <- copy {name: "5", value: 5, type: 2-5-1, properties: ["5": "address":"array":"integer", "deref": ]}
 run/0: ingredient 0 is 5
 mem/0: location 5 is 1
 mem/0: location 1 is 3
diff --git a/cpp/.traces/copy_exclusive_container b/cpp/.traces/copy_exclusive_container
index e6add356..46d3b69b 100644
--- a/cpp/.traces/copy_exclusive_container
+++ b/cpp/.traces/copy_exclusive_container
@@ -18,15 +18,19 @@ after-brace/0: copy ...
 new/0: routine allocated memory from 1000 to 101000
 schedule/0: main
 run/0: instruction main/0
+run/0: {name: "1", value: 1, type: 1, properties: ["1": "integer"]} <- copy {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: ingredient 0 is 1
 mem/0: storing 1 in location 1
 run/0: instruction main/1
+run/0: {name: "2", value: 2, type: 1, properties: ["2": "integer"]} <- copy {name: "34", value: 34, type: 0, properties: ["34": "literal"]}
 run/0: ingredient 0 is 34
 mem/0: storing 34 in location 2
 run/0: instruction main/2
+run/0: {name: "3", value: 3, type: 1, properties: ["3": "integer"]} <- copy {name: "35", value: 35, type: 0, properties: ["35": "literal"]}
 run/0: ingredient 0 is 35
 mem/0: storing 35 in location 3
 run/0: instruction main/3
+run/0: {name: "4", value: 4, type: 8, properties: ["4": "integer-or-point"]} <- copy {name: "1", value: 1, type: 8, properties: ["1": "integer-or-point"]}
 run/0: ingredient 0 is 1
 mem/0: location 1 is 1
 mem/0: location 2 is 34
diff --git a/cpp/.traces/copy_handles_nested_container_elements b/cpp/.traces/copy_handles_nested_container_elements
index f220c077..726ba849 100644
--- a/cpp/.traces/copy_handles_nested_container_elements
+++ b/cpp/.traces/copy_handles_nested_container_elements
@@ -18,15 +18,19 @@ after-brace/0: copy ...
 new/0: routine allocated memory from 1000 to 101000
 schedule/0: main
 run/0: instruction main/0
+run/0: {name: "12", value: 12, type: 1, properties: ["12": "integer"]} <- copy {name: "34", value: 34, type: 0, properties: ["34": "literal"]}
 run/0: ingredient 0 is 34
 mem/0: storing 34 in location 12
 run/0: instruction main/1
+run/0: {name: "13", value: 13, type: 1, properties: ["13": "integer"]} <- copy {name: "35", value: 35, type: 0, properties: ["35": "literal"]}
 run/0: ingredient 0 is 35
 mem/0: storing 35 in location 13
 run/0: instruction main/2
+run/0: {name: "14", value: 14, type: 1, properties: ["14": "integer"]} <- copy {name: "36", value: 36, type: 0, properties: ["36": "literal"]}
 run/0: ingredient 0 is 36
 mem/0: storing 36 in location 14
 run/0: instruction main/3
+run/0: {name: "15", value: 15, type: 7, properties: ["15": "point-integer"]} <- copy {name: "12", value: 12, type: 7, properties: ["12": "point-integer"]}
 run/0: ingredient 0 is 12
 mem/0: location 12 is 34
 mem/0: location 13 is 35
diff --git a/cpp/.traces/copy_indirect b/cpp/.traces/copy_indirect
index 72f4fe80..0b093016 100644
--- a/cpp/.traces/copy_indirect
+++ b/cpp/.traces/copy_indirect
@@ -14,12 +14,15 @@ after-brace/0: copy ...
 new/0: routine allocated memory from 1000 to 101000
 schedule/0: main
 run/0: instruction main/0
+run/0: {name: "1", value: 1, type: 2-1, properties: ["1": "address":"integer"]} <- copy {name: "2", value: 2, type: 0, properties: ["2": "literal"]}
 run/0: ingredient 0 is 2
 mem/0: storing 2 in location 1
 run/0: instruction main/1
+run/0: {name: "2", value: 2, type: 1, properties: ["2": "integer"]} <- copy {name: "34", value: 34, type: 0, properties: ["34": "literal"]}
 run/0: ingredient 0 is 34
 mem/0: storing 34 in location 2
 run/0: instruction main/2
+run/0: {name: "3", value: 3, type: 1, properties: ["3": "integer"]} <- copy {name: "1", value: 1, type: 2-1, properties: ["1": "address":"integer", "deref": ]}
 run/0: ingredient 0 is 1
 mem/0: location 1 is 2
 mem/0: location 2 is 34
diff --git a/cpp/.traces/copy_literal b/cpp/.traces/copy_literal
index 6c3d0d7a..553aa000 100644
--- a/cpp/.traces/copy_literal
+++ b/cpp/.traces/copy_literal
@@ -6,5 +6,6 @@ after-brace/0: copy ...
 new/0: routine allocated memory from 1000 to 101000
 schedule/0: main
 run/0: instruction main/0
+run/0: {name: "1", value: 1, type: 1, properties: ["1": "integer"]} <- copy {name: "23", value: 23, type: 0, properties: ["23": "literal"]}
 run/0: ingredient 0 is 23
 mem/0: storing 23 in location 1
diff --git a/cpp/.traces/copy_multiple_locations b/cpp/.traces/copy_multiple_locations
index 815d4ea9..a6df00c4 100644
--- a/cpp/.traces/copy_multiple_locations
+++ b/cpp/.traces/copy_multiple_locations
@@ -14,12 +14,15 @@ after-brace/0: copy ...
 new/0: routine allocated memory from 1000 to 101000
 schedule/0: main
 run/0: instruction main/0
+run/0: {name: "1", value: 1, type: 1, properties: ["1": "integer"]} <- copy {name: "34", value: 34, type: 0, properties: ["34": "literal"]}
 run/0: ingredient 0 is 34
 mem/0: storing 34 in location 1
 run/0: instruction main/1
+run/0: {name: "2", value: 2, type: 1, properties: ["2": "integer"]} <- copy {name: "35", value: 35, type: 0, properties: ["35": "literal"]}
 run/0: ingredient 0 is 35
 mem/0: storing 35 in location 2
 run/0: instruction main/2
+run/0: {name: "3", value: 3, type: 6, properties: ["3": "point"]} <- copy {name: "1", value: 1, type: 6, properties: ["1": "point"]}
 run/0: ingredient 0 is 1
 mem/0: location 1 is 34
 mem/0: location 2 is 35
diff --git a/cpp/.traces/deref_sidesteps_default_space b/cpp/.traces/deref_sidesteps_default_space
index 4d406fc7..f5912fa2 100644
--- a/cpp/.traces/deref_sidesteps_default_space
+++ b/cpp/.traces/deref_sidesteps_default_space
@@ -22,17 +22,22 @@ after-brace/0: copy ...
 new/0: routine allocated memory from 1000 to 101000
 schedule/0: main
 run/0: instruction main/0
+run/0: {name: "3", value: 3, type: 1, properties: ["3": "integer"]} <- copy {name: "34", value: 34, type: 0, properties: ["34": "literal"]}
 run/0: ingredient 0 is 34
 mem/0: storing 34 in location 3
 run/0: instruction main/1
+run/0: {name: "1000", value: 1000, type: 1, properties: ["1000": "integer"]} <- copy {name: "5", value: 5, type: 0, properties: ["5": "literal"]}
 run/0: ingredient 0 is 5
 mem/0: storing 5 in location 1000
 run/0: instruction main/2
+run/0: {name: "default-space", value: 0, type: 2-5-1, properties: ["default-space": "address":"array":"location"]} <- copy {name: "1000", value: 1000, type: 0, properties: ["1000": "literal"]}
 run/0: ingredient 0 is 1000
 run/0: instruction main/3
+run/0: {name: "1", value: 1, type: 2-1, properties: ["1": "address":"integer"]} <- copy {name: "3", value: 3, type: 0, properties: ["3": "literal"]}
 run/0: ingredient 0 is 3
 mem/0: storing 3 in location 1002
 run/0: instruction main/4
+run/0: {name: "8", value: 8, type: 1, properties: ["8": "integer", "raw": ]} <- copy {name: "1", value: 1, type: 2-1, properties: ["1": "address":"integer", "deref": ]}
 run/0: ingredient 0 is 1
 mem/0: location 1002 is 3
 mem/0: location 3 is 34
diff --git a/cpp/.traces/deref_sidesteps_default_space_in_get b/cpp/.traces/deref_sidesteps_default_space_in_get
index 0bc10c1e..364977e2 100644
--- a/cpp/.traces/deref_sidesteps_default_space_in_get
+++ b/cpp/.traces/deref_sidesteps_default_space_in_get
@@ -27,20 +27,26 @@ after-brace/0: get ...
 new/0: routine allocated memory from 1000 to 101000
 schedule/0: main
 run/0: instruction main/0
+run/0: {name: "12", value: 12, type: 1, properties: ["12": "integer"]} <- copy {name: "34", value: 34, type: 0, properties: ["34": "literal"]}
 run/0: ingredient 0 is 34
 mem/0: storing 34 in location 12
 run/0: instruction main/1
+run/0: {name: "13", value: 13, type: 1, properties: ["13": "integer"]} <- copy {name: "35", value: 35, type: 0, properties: ["35": "literal"]}
 run/0: ingredient 0 is 35
 mem/0: storing 35 in location 13
 run/0: instruction main/2
+run/0: {name: "1000", value: 1000, type: 1, properties: ["1000": "integer"]} <- copy {name: "5", value: 5, type: 0, properties: ["5": "literal"]}
 run/0: ingredient 0 is 5
 mem/0: storing 5 in location 1000
 run/0: instruction main/3
+run/0: {name: "default-space", value: 0, type: 2-5-1, properties: ["default-space": "address":"array":"location"]} <- copy {name: "1000", value: 1000, type: 0, properties: ["1000": "literal"]}
 run/0: ingredient 0 is 1000
 run/0: instruction main/4
+run/0: {name: "1", value: 1, type: 2-6, properties: ["1": "address":"point"]} <- copy {name: "12", value: 12, type: 0, properties: ["12": "literal"]}
 run/0: ingredient 0 is 12
 mem/0: storing 12 in location 1002
 run/0: instruction main/5
+run/0: {name: "9", value: 9, type: 1, properties: ["9": "integer", "raw": ]} <- get {name: "1", value: 1, type: 2-6, properties: ["1": "address":"point", "deref": ]}, {name: "1", value: 1, type: 0, properties: ["1": "offset"]}
 run/0: ingredient 0 is 1
 mem/0: location 1002 is 12
 run/0: ingredient 1 is 1
diff --git a/cpp/.traces/deref_sidesteps_default_space_in_index b/cpp/.traces/deref_sidesteps_default_space_in_index
index 97d3e806..705f2b59 100644
--- a/cpp/.traces/deref_sidesteps_default_space_in_index
+++ b/cpp/.traces/deref_sidesteps_default_space_in_index
@@ -31,23 +31,30 @@ after-brace/0: index ...
 new/0: routine allocated memory from 1000 to 101000
 schedule/0: main
 run/0: instruction main/0
+run/0: {name: "12", value: 12, type: 1, properties: ["12": "integer"]} <- copy {name: "2", value: 2, type: 0, properties: ["2": "literal"]}
 run/0: ingredient 0 is 2
 mem/0: storing 2 in location 12
 run/0: instruction main/1
+run/0: {name: "13", value: 13, type: 1, properties: ["13": "integer"]} <- copy {name: "34", value: 34, type: 0, properties: ["34": "literal"]}
 run/0: ingredient 0 is 34
 mem/0: storing 34 in location 13
 run/0: instruction main/2
+run/0: {name: "14", value: 14, type: 1, properties: ["14": "integer"]} <- copy {name: "35", value: 35, type: 0, properties: ["35": "literal"]}
 run/0: ingredient 0 is 35
 mem/0: storing 35 in location 14
 run/0: instruction main/3
+run/0: {name: "1000", value: 1000, type: 1, properties: ["1000": "integer"]} <- copy {name: "5", value: 5, type: 0, properties: ["5": "literal"]}
 run/0: ingredient 0 is 5
 mem/0: storing 5 in location 1000
 run/0: instruction main/4
+run/0: {name: "default-space", value: 0, type: 2-5-1, properties: ["default-space": "address":"array":"location"]} <- copy {name: "1000", value: 1000, type: 0, properties: ["1000": "literal"]}
 run/0: ingredient 0 is 1000
 run/0: instruction main/5
+run/0: {name: "1", value: 1, type: 2-5-1, properties: ["1": "address":"array":"integer"]} <- copy {name: "12", value: 12, type: 0, properties: ["12": "literal"]}
 run/0: ingredient 0 is 12
 mem/0: storing 12 in location 1002
 run/0: instruction main/6
+run/0: {name: "9", value: 9, type: 1, properties: ["9": "integer", "raw": ]} <- index {name: "1", value: 1, type: 2-5-1, properties: ["1": "address":"array":"integer", "deref": ]}, {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: ingredient 0 is {name: "1", value: 1, type: 2-5-1, properties: ["1": "address":"array":"integer", "deref": ]}
 mem/0: location 1002 is 12
 run/0: ingredient 1 is {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
diff --git a/cpp/.traces/divide b/cpp/.traces/divide
index 87c827d6..9d83a35e 100644
--- a/cpp/.traces/divide
+++ b/cpp/.traces/divide
@@ -15,12 +15,15 @@ after-brace/0: divide ...
 new/0: routine allocated memory from 1000 to 101000
 schedule/0: main
 run/0: instruction main/0
+run/0: {name: "1", value: 1, type: 1, properties: ["1": "integer"]} <- copy {name: "27", value: 27, type: 0, properties: ["27": "literal"]}
 run/0: ingredient 0 is 27
 mem/0: storing 27 in location 1
 run/0: instruction main/1
+run/0: {name: "2", value: 2, type: 1, properties: ["2": "integer"]} <- copy {name: "3", value: 3, type: 0, properties: ["3": "literal"]}
 run/0: ingredient 0 is 3
 mem/0: storing 3 in location 2
 run/0: instruction main/2
+run/0: {name: "3", value: 3, type: 1, properties: ["3": "integer"]} <- divide {name: "1", value: 1, type: 1, properties: ["1": "integer"]}, {name: "2", value: 2, type: 1, properties: ["2": "integer"]}
 run/0: ingredient 0 is 1
 mem/0: location 1 is 27
 run/0: ingredient 1 is 2
diff --git a/cpp/.traces/divide_literal b/cpp/.traces/divide_literal
index 9b3c8934..40578702 100644
--- a/cpp/.traces/divide_literal
+++ b/cpp/.traces/divide_literal
@@ -7,6 +7,7 @@ after-brace/0: divide ...
 new/0: routine allocated memory from 1000 to 101000
 schedule/0: main
 run/0: instruction main/0
+run/0: {name: "1", value: 1, type: 1, properties: ["1": "integer"]} <- divide {name: "8", value: 8, type: 0, properties: ["8": "literal"]}, {name: "2", value: 2, type: 0, properties: ["2": "literal"]}
 run/0: ingredient 0 is 8
 run/0: ingredient 1 is 2
 run/0: ingredient 1 is 2
diff --git a/cpp/.traces/divide_with_remainder b/cpp/.traces/divide_with_remainder
index 3f680232..979e92d3 100644
--- a/cpp/.traces/divide_with_remainder
+++ b/cpp/.traces/divide_with_remainder
@@ -16,12 +16,15 @@ after-brace/0: divide-with-remainder ...
 new/0: routine allocated memory from 1000 to 101000
 schedule/0: main
 run/0: instruction main/0
+run/0: {name: "1", value: 1, type: 1, properties: ["1": "integer"]} <- copy {name: "27", value: 27, type: 0, properties: ["27": "literal"]}
 run/0: ingredient 0 is 27
 mem/0: storing 27 in location 1
 run/0: instruction main/1
+run/0: {name: "2", value: 2, type: 1, properties: ["2": "integer"]} <- copy {name: "11", value: 11, type: 0, properties: ["11": "literal"]}
 run/0: ingredient 0 is 11
 mem/0: storing 11 in location 2
 run/0: instruction main/2
+run/0: {name: "3", value: 3, type: 1, properties: ["3": "integer"]}, {name: "4", value: 4, type: 1, properties: ["4": "integer"]} <- divide-with-remainder {name: "1", value: 1, type: 1, properties: ["1": "integer"]}, {name: "2", value: 2, type: 1, properties: ["2": "integer"]}
 run/0: ingredient 0 is 1
 mem/0: location 1 is 27
 run/0: ingredient 1 is 2
diff --git a/cpp/.traces/divide_with_remainder_literal b/cpp/.traces/divide_with_remainder_literal
index 01e4abb0..a06d9e34 100644
--- a/cpp/.traces/divide_with_remainder_literal
+++ b/cpp/.traces/divide_with_remainder_literal
@@ -8,6 +8,7 @@ after-brace/0: divide-with-remainder ...
 new/0: routine allocated memory from 1000 to 101000
 schedule/0: main
 run/0: instruction main/0
+run/0: {name: "1", value: 1, type: 1, properties: ["1": "integer"]}, {name: "2", value: 2, type: 1, properties: ["2": "integer"]} <- divide-with-remainder {name: "9", value: 9, type: 0, properties: ["9": "literal"]}, {name: "2", value: 2, type: 0, properties: ["2": "literal"]}
 run/0: ingredient 0 is 9
 run/0: ingredient 1 is 2
 run/0: product 0 is 4
diff --git a/cpp/.traces/equal b/cpp/.traces/equal
index 7c5a280a..807515a8 100644
--- a/cpp/.traces/equal
+++ b/cpp/.traces/equal
@@ -15,12 +15,15 @@ after-brace/0: equal ...
 new/0: routine allocated memory from 1000 to 101000
 schedule/0: main
 run/0: instruction main/0
+run/0: {name: "1", value: 1, type: 1, properties: ["1": "integer"]} <- copy {name: "34", value: 34, type: 0, properties: ["34": "literal"]}
 run/0: ingredient 0 is 34
 mem/0: storing 34 in location 1
 run/0: instruction main/1
+run/0: {name: "2", value: 2, type: 1, properties: ["2": "integer"]} <- copy {name: "33", value: 33, type: 0, properties: ["33": "literal"]}
 run/0: ingredient 0 is 33
 mem/0: storing 33 in location 2
 run/0: instruction main/2
+run/0: {name: "3", value: 3, type: 1, properties: ["3": "integer"]} <- equal {name: "1", value: 1, type: 1, properties: ["1": "integer"]}, {name: "2", value: 2, type: 1, properties: ["2": "integer"]}
 run/0: ingredient 0 is 1
 mem/0: location 1 is 34
 run/0: ingredient 1 is 2
diff --git a/cpp/.traces/equal2 b/cpp/.traces/equal2
index e76a9aff..7fb70453 100644
--- a/cpp/.traces/equal2
+++ b/cpp/.traces/equal2
@@ -15,12 +15,15 @@ after-brace/0: equal ...
 new/0: routine allocated memory from 1000 to 101000
 schedule/0: main
 run/0: instruction main/0
+run/0: {name: "1", value: 1, type: 1, properties: ["1": "integer"]} <- copy {name: "34", value: 34, type: 0, properties: ["34": "literal"]}
 run/0: ingredient 0 is 34
 mem/0: storing 34 in location 1
 run/0: instruction main/1
+run/0: {name: "2", value: 2, type: 1, properties: ["2": "integer"]} <- copy {name: "34", value: 34, type: 0, properties: ["34": "literal"]}
 run/0: ingredient 0 is 34
 mem/0: storing 34 in location 2
 run/0: instruction main/2
+run/0: {name: "3", value: 3, type: 1, properties: ["3": "integer"]} <- equal {name: "1", value: 1, type: 1, properties: ["1": "integer"]}, {name: "2", value: 2, type: 1, properties: ["2": "integer"]}
 run/0: ingredient 0 is 1
 mem/0: location 1 is 34
 run/0: ingredient 1 is 2
diff --git a/cpp/.traces/first_scenario_checking_trace b/cpp/.traces/first_scenario_checking_trace
index 0d7566ff..109fed69 100644
--- a/cpp/.traces/first_scenario_checking_trace
+++ b/cpp/.traces/first_scenario_checking_trace
@@ -7,6 +7,7 @@ after-brace/0: add ...
 new/0: routine allocated memory from 1000 to 101000
 schedule/0: test-first_scenario_checking_trace
 run/0: instruction test-first_scenario_checking_trace/0
+run/0: {name: "1", value: 1, type: 1, properties: ["1": "integer"]} <- add {name: "2", value: 2, type: 0, properties: ["2": "literal"]}, {name: "2", value: 2, type: 0, properties: ["2": "literal"]}
 run/0: ingredient 0 is 2
 run/0: ingredient 1 is 2
 run/0: product 0 is 4
diff --git a/cpp/.traces/first_scenario_checking_trace_negative b/cpp/.traces/first_scenario_checking_trace_negative
index d84f4e82..0214db4e 100644
--- a/cpp/.traces/first_scenario_checking_trace_negative
+++ b/cpp/.traces/first_scenario_checking_trace_negative
@@ -7,6 +7,7 @@ after-brace/0: add ...
 new/0: routine allocated memory from 1000 to 101000
 schedule/0: test-first_scenario_checking_trace_negative
 run/0: instruction test-first_scenario_checking_trace_negative/0
+run/0: {name: "1", value: 1, type: 1, properties: ["1": "integer"]} <- add {name: "2", value: 2, type: 0, properties: ["2": "literal"]}, {name: "2", value: 2, type: 0, properties: ["2": "literal"]}
 run/0: ingredient 0 is 2
 run/0: ingredient 1 is 2
 run/0: product 0 is 4
diff --git a/cpp/.traces/first_scenario_in_mu b/cpp/.traces/first_scenario_in_mu
index 6b664104..9e02c432 100644
--- a/cpp/.traces/first_scenario_in_mu
+++ b/cpp/.traces/first_scenario_in_mu
@@ -7,6 +7,7 @@ after-brace/0: add ...
 new/0: routine allocated memory from 1000 to 101000
 schedule/0: test-first_scenario_in_mu
 run/0: instruction test-first_scenario_in_mu/0
+run/0: {name: "1", value: 1, type: 1, properties: ["1": "integer"]} <- add {name: "2", value: 2, type: 0, properties: ["2": "literal"]}, {name: "2", value: 2, type: 0, properties: ["2": "literal"]}
 run/0: ingredient 0 is 2
 run/0: ingredient 1 is 2
 run/0: product 0 is 4
diff --git a/cpp/.traces/get b/cpp/.traces/get
index 22a263e7..1e3db5f3 100644
--- a/cpp/.traces/get
+++ b/cpp/.traces/get
@@ -15,12 +15,15 @@ after-brace/0: get ...
 new/0: routine allocated memory from 1000 to 101000
 schedule/0: main
 run/0: instruction main/0
+run/0: {name: "12", value: 12, type: 1, properties: ["12": "integer"]} <- copy {name: "34", value: 34, type: 0, properties: ["34": "literal"]}
 run/0: ingredient 0 is 34
 mem/0: storing 34 in location 12
 run/0: instruction main/1
+run/0: {name: "13", value: 13, type: 1, properties: ["13": "integer"]} <- copy {name: "35", value: 35, type: 0, properties: ["35": "literal"]}
 run/0: ingredient 0 is 35
 mem/0: storing 35 in location 13
 run/0: instruction main/2
+run/0: {name: "15", value: 15, type: 1, properties: ["15": "integer"]} <- get {name: "12", value: 12, type: 6, properties: ["12": "point"]}, {name: "1", value: 1, type: 0, properties: ["1": "offset"]}
 run/0: ingredient 0 is 12
 run/0: ingredient 1 is 1
 run/0: address to copy is 13
diff --git a/cpp/.traces/get_address b/cpp/.traces/get_address
index a08a0ba4..3238f4eb 100644
--- a/cpp/.traces/get_address
+++ b/cpp/.traces/get_address
@@ -15,12 +15,15 @@ after-brace/0: get-address ...
 new/0: routine allocated memory from 1000 to 101000
 schedule/0: main
 run/0: instruction main/0
+run/0: {name: "12", value: 12, type: 1, properties: ["12": "integer"]} <- copy {name: "34", value: 34, type: 0, properties: ["34": "literal"]}
 run/0: ingredient 0 is 34
 mem/0: storing 34 in location 12
 run/0: instruction main/1
+run/0: {name: "13", value: 13, type: 1, properties: ["13": "integer"]} <- copy {name: "35", value: 35, type: 0, properties: ["35": "literal"]}
 run/0: ingredient 0 is 35
 mem/0: storing 35 in location 13
 run/0: instruction main/2
+run/0: {name: "15", value: 15, type: 2-1, properties: ["15": "address":"integer"]} <- get-address {name: "12", value: 12, type: 6, properties: ["12": "point"]}, {name: "1", value: 1, type: 0, properties: ["1": "offset"]}
 run/0: ingredient 0 is 12
 run/0: ingredient 1 is 1
 run/0: address to copy is 13
diff --git a/cpp/.traces/get_address_indirect b/cpp/.traces/get_address_indirect
index e933a536..40f315d2 100644
--- a/cpp/.traces/get_address_indirect
+++ b/cpp/.traces/get_address_indirect
@@ -19,15 +19,19 @@ after-brace/0: get-address ...
 new/0: routine allocated memory from 1000 to 101000
 schedule/0: main
 run/0: instruction main/0
+run/0: {name: "1", value: 1, type: 1, properties: ["1": "integer"]} <- copy {name: "2", value: 2, type: 0, properties: ["2": "literal"]}
 run/0: ingredient 0 is 2
 mem/0: storing 2 in location 1
 run/0: instruction main/1
+run/0: {name: "2", value: 2, type: 1, properties: ["2": "integer"]} <- copy {name: "34", value: 34, type: 0, properties: ["34": "literal"]}
 run/0: ingredient 0 is 34
 mem/0: storing 34 in location 2
 run/0: instruction main/2
+run/0: {name: "3", value: 3, type: 1, properties: ["3": "integer"]} <- copy {name: "35", value: 35, type: 0, properties: ["35": "literal"]}
 run/0: ingredient 0 is 35
 mem/0: storing 35 in location 3
 run/0: instruction main/3
+run/0: {name: "4", value: 4, type: 1, properties: ["4": "integer"]} <- get-address {name: "1", value: 1, type: 2-6, properties: ["1": "address":"point", "deref": ]}, {name: "0", value: 0, type: 0, properties: ["0": "offset"]}
 run/0: ingredient 0 is 1
 mem/0: location 1 is 2
 run/0: ingredient 1 is 0
diff --git a/cpp/.traces/get_default_space b/cpp/.traces/get_default_space
index c24a357c..e9a108ab 100644
--- a/cpp/.traces/get_default_space
+++ b/cpp/.traces/get_default_space
@@ -10,7 +10,9 @@ after-brace/0: copy ...
 new/0: routine allocated memory from 1000 to 101000
 schedule/0: main
 run/0: instruction main/0
+run/0: {name: "default-space", value: 0, type: 2-5-1, properties: ["default-space": "address":"array":"location"]} <- copy {name: "10", value: 10, type: 0, properties: ["10": "literal"]}
 run/0: ingredient 0 is 10
 run/0: instruction main/1
+run/0: {name: "1", value: 1, type: 1, properties: ["1": "integer", "raw": ]} <- copy {name: "default-space", value: 0, type: 2-5-1, properties: ["default-space": "address":"array":"location"]}
 run/0: ingredient 0 is default-space
 mem/0: storing 10 in location 1
diff --git a/cpp/.traces/get_handles_nested_container_elements b/cpp/.traces/get_handles_nested_container_elements
index 15563354..c91a14a1 100644
--- a/cpp/.traces/get_handles_nested_container_elements
+++ b/cpp/.traces/get_handles_nested_container_elements
@@ -19,15 +19,19 @@ after-brace/0: get ...
 new/0: routine allocated memory from 1000 to 101000
 schedule/0: main
 run/0: instruction main/0
+run/0: {name: "12", value: 12, type: 1, properties: ["12": "integer"]} <- copy {name: "34", value: 34, type: 0, properties: ["34": "literal"]}
 run/0: ingredient 0 is 34
 mem/0: storing 34 in location 12
 run/0: instruction main/1
+run/0: {name: "13", value: 13, type: 1, properties: ["13": "integer"]} <- copy {name: "35", value: 35, type: 0, properties: ["35": "literal"]}
 run/0: ingredient 0 is 35
 mem/0: storing 35 in location 13
 run/0: instruction main/2
+run/0: {name: "14", value: 14, type: 1, properties: ["14": "integer"]} <- copy {name: "36", value: 36, type: 0, properties: ["36": "literal"]}
 run/0: ingredient 0 is 36
 mem/0: storing 36 in location 14
 run/0: instruction main/3
+run/0: {name: "15", value: 15, type: 1, properties: ["15": "integer"]} <- get {name: "12", value: 12, type: 7, properties: ["12": "point-integer"]}, {name: "1", value: 1, type: 0, properties: ["1": "offset"]}
 run/0: ingredient 0 is 12
 run/0: ingredient 1 is 1
 run/0: address to copy is 14
diff --git a/cpp/.traces/get_indirect b/cpp/.traces/get_indirect
index abf734c2..4a276e98 100644
--- a/cpp/.traces/get_indirect
+++ b/cpp/.traces/get_indirect
@@ -19,15 +19,19 @@ after-brace/0: get ...
 new/0: routine allocated memory from 1000 to 101000
 schedule/0: main
 run/0: instruction main/0
+run/0: {name: "1", value: 1, type: 1, properties: ["1": "integer"]} <- copy {name: "2", value: 2, type: 0, properties: ["2": "literal"]}
 run/0: ingredient 0 is 2
 mem/0: storing 2 in location 1
 run/0: instruction main/1
+run/0: {name: "2", value: 2, type: 1, properties: ["2": "integer"]} <- copy {name: "34", value: 34, type: 0, properties: ["34": "literal"]}
 run/0: ingredient 0 is 34
 mem/0: storing 34 in location 2
 run/0: instruction main/2
+run/0: {name: "3", value: 3, type: 1, properties: ["3": "integer"]} <- copy {name: "35", value: 35, type: 0, properties: ["35": "literal"]}
 run/0: ingredient 0 is 35
 mem/0: storing 35 in location 3
 run/0: instruction main/3
+run/0: {name: "4", value: 4, type: 1, properties: ["4": "integer"]} <- get {name: "1", value: 1, type: 2-6, properties: ["1": "address":"point", "deref": ]}, {name: "0", value: 0, type: 0, properties: ["0": "offset"]}
 run/0: ingredient 0 is 1
 mem/0: location 1 is 2
 run/0: ingredient 1 is 0
diff --git a/cpp/.traces/greater_or_equal b/cpp/.traces/greater_or_equal
index 8f20b947..59f290c0 100644
--- a/cpp/.traces/greater_or_equal
+++ b/cpp/.traces/greater_or_equal
@@ -15,12 +15,15 @@ after-brace/0: greater-or-equal ...
 new/0: routine allocated memory from 1000 to 101000
 schedule/0: main
 run/0: instruction main/0
+run/0: {name: "1", value: 1, type: 1, properties: ["1": "integer"]} <- copy {name: "34", value: 34, type: 0, properties: ["34": "literal"]}
 run/0: ingredient 0 is 34
 mem/0: storing 34 in location 1
 run/0: instruction main/1
+run/0: {name: "2", value: 2, type: 1, properties: ["2": "integer"]} <- copy {name: "33", value: 33, type: 0, properties: ["33": "literal"]}
 run/0: ingredient 0 is 33
 mem/0: storing 33 in location 2
 run/0: instruction main/2
+run/0: {name: "3", value: 3, type: 1, properties: ["3": "integer"]} <- greater-or-equal {name: "1", value: 1, type: 1, properties: ["1": "integer"]}, {name: "2", value: 2, type: 1, properties: ["2": "integer"]}
 run/0: ingredient 0 is 1
 mem/0: location 1 is 34
 run/0: ingredient 1 is 2
diff --git a/cpp/.traces/greater_or_equal2 b/cpp/.traces/greater_or_equal2
index dc98460f..4f85470f 100644
--- a/cpp/.traces/greater_or_equal2
+++ b/cpp/.traces/greater_or_equal2
@@ -15,12 +15,15 @@ after-brace/0: greater-or-equal ...
 new/0: routine allocated memory from 1000 to 101000
 schedule/0: main
 run/0: instruction main/0
+run/0: {name: "1", value: 1, type: 1, properties: ["1": "integer"]} <- copy {name: "34", value: 34, type: 0, properties: ["34": "literal"]}
 run/0: ingredient 0 is 34
 mem/0: storing 34 in location 1
 run/0: instruction main/1
+run/0: {name: "2", value: 2, type: 1, properties: ["2": "integer"]} <- copy {name: "34", value: 34, type: 0, properties: ["34": "literal"]}
 run/0: ingredient 0 is 34
 mem/0: storing 34 in location 2
 run/0: instruction main/2
+run/0: {name: "3", value: 3, type: 1, properties: ["3": "integer"]} <- greater-or-equal {name: "1", value: 1, type: 1, properties: ["1": "integer"]}, {name: "2", value: 2, type: 1, properties: ["2": "integer"]}
 run/0: ingredient 0 is 1
 mem/0: location 1 is 34
 run/0: ingredient 1 is 2
diff --git a/cpp/.traces/greater_or_equal3 b/cpp/.traces/greater_or_equal3
index 53bf6b3b..2b43292f 100644
--- a/cpp/.traces/greater_or_equal3
+++ b/cpp/.traces/greater_or_equal3
@@ -15,12 +15,15 @@ after-brace/0: greater-or-equal ...
 new/0: routine allocated memory from 1000 to 101000
 schedule/0: main
 run/0: instruction main/0
+run/0: {name: "1", value: 1, type: 1, properties: ["1": "integer"]} <- copy {name: "34", value: 34, type: 0, properties: ["34": "literal"]}
 run/0: ingredient 0 is 34
 mem/0: storing 34 in location 1
 run/0: instruction main/1
+run/0: {name: "2", value: 2, type: 1, properties: ["2": "integer"]} <- copy {name: "35", value: 35, type: 0, properties: ["35": "literal"]}
 run/0: ingredient 0 is 35
 mem/0: storing 35 in location 2
 run/0: instruction main/2
+run/0: {name: "3", value: 3, type: 1, properties: ["3": "integer"]} <- greater-or-equal {name: "1", value: 1, type: 1, properties: ["1": "integer"]}, {name: "2", value: 2, type: 1, properties: ["2": "integer"]}
 run/0: ingredient 0 is 1
 mem/0: location 1 is 34
 run/0: ingredient 1 is 2
diff --git a/cpp/.traces/greater_than b/cpp/.traces/greater_than
index 648d5e5a..211983c3 100644
--- a/cpp/.traces/greater_than
+++ b/cpp/.traces/greater_than
@@ -15,12 +15,15 @@ after-brace/0: greater-than ...
 new/0: routine allocated memory from 1000 to 101000
 schedule/0: main
 run/0: instruction main/0
+run/0: {name: "1", value: 1, type: 1, properties: ["1": "integer"]} <- copy {name: "34", value: 34, type: 0, properties: ["34": "literal"]}
 run/0: ingredient 0 is 34
 mem/0: storing 34 in location 1
 run/0: instruction main/1
+run/0: {name: "2", value: 2, type: 1, properties: ["2": "integer"]} <- copy {name: "33", value: 33, type: 0, properties: ["33": "literal"]}
 run/0: ingredient 0 is 33
 mem/0: storing 33 in location 2
 run/0: instruction main/2
+run/0: {name: "3", value: 3, type: 1, properties: ["3": "integer"]} <- greater-than {name: "1", value: 1, type: 1, properties: ["1": "integer"]}, {name: "2", value: 2, type: 1, properties: ["2": "integer"]}
 run/0: ingredient 0 is 1
 mem/0: location 1 is 34
 run/0: ingredient 1 is 2
diff --git a/cpp/.traces/greater_than2 b/cpp/.traces/greater_than2
index 50a39727..b9ee951e 100644
--- a/cpp/.traces/greater_than2
+++ b/cpp/.traces/greater_than2
@@ -15,12 +15,15 @@ after-brace/0: greater-than ...
 new/0: routine allocated memory from 1000 to 101000
 schedule/0: main
 run/0: instruction main/0
+run/0: {name: "1", value: 1, type: 1, properties: ["1": "integer"]} <- copy {name: "34", value: 34, type: 0, properties: ["34": "literal"]}
 run/0: ingredient 0 is 34
 mem/0: storing 34 in location 1
 run/0: instruction main/1
+run/0: {name: "2", value: 2, type: 1, properties: ["2": "integer"]} <- copy {name: "34", value: 34, type: 0, properties: ["34": "literal"]}
 run/0: ingredient 0 is 34
 mem/0: storing 34 in location 2
 run/0: instruction main/2
+run/0: {name: "3", value: 3, type: 1, properties: ["3": "integer"]} <- greater-than {name: "1", value: 1, type: 1, properties: ["1": "integer"]}, {name: "2", value: 2, type: 1, properties: ["2": "integer"]}
 run/0: ingredient 0 is 1
 mem/0: location 1 is 34
 run/0: ingredient 1 is 2
diff --git a/cpp/.traces/include_nonderef_properties b/cpp/.traces/include_nonderef_properties
index 184127b8..7a073504 100644
--- a/cpp/.traces/include_nonderef_properties
+++ b/cpp/.traces/include_nonderef_properties
@@ -19,15 +19,19 @@ after-brace/0: get ...
 new/0: routine allocated memory from 1000 to 101000
 schedule/0: main
 run/0: instruction main/0
+run/0: {name: "1", value: 1, type: 1, properties: ["1": "integer"]} <- copy {name: "2", value: 2, type: 0, properties: ["2": "literal"]}
 run/0: ingredient 0 is 2
 mem/0: storing 2 in location 1
 run/0: instruction main/1
+run/0: {name: "2", value: 2, type: 1, properties: ["2": "integer"]} <- copy {name: "34", value: 34, type: 0, properties: ["34": "literal"]}
 run/0: ingredient 0 is 34
 mem/0: storing 34 in location 2
 run/0: instruction main/2
+run/0: {name: "3", value: 3, type: 1, properties: ["3": "integer"]} <- copy {name: "35", value: 35, type: 0, properties: ["35": "literal"]}
 run/0: ingredient 0 is 35
 mem/0: storing 35 in location 3
 run/0: instruction main/3
+run/0: {name: "4", value: 4, type: 1, properties: ["4": "integer"]} <- get {name: "1", value: 1, type: 2-6, properties: ["1": "address":"point", "deref": , "foo": ]}, {name: "0", value: 0, type: 0, properties: ["0": "offset"]}
 run/0: ingredient 0 is 1
 mem/0: location 1 is 2
 run/0: ingredient 1 is 0
diff --git a/cpp/.traces/index b/cpp/.traces/index
index 2ff0d46a..ed5c0662 100644
--- a/cpp/.traces/index
+++ b/cpp/.traces/index
@@ -23,18 +23,23 @@ after-brace/0: index ...
 new/0: routine allocated memory from 1000 to 101000
 schedule/0: main
 run/0: instruction main/0
+run/0: {name: "1", value: 1, type: 1, properties: ["1": "integer"]} <- copy {name: "3", value: 3, type: 0, properties: ["3": "literal"]}
 run/0: ingredient 0 is 3
 mem/0: storing 3 in location 1
 run/0: instruction main/1
+run/0: {name: "2", value: 2, type: 1, properties: ["2": "integer"]} <- copy {name: "14", value: 14, type: 0, properties: ["14": "literal"]}
 run/0: ingredient 0 is 14
 mem/0: storing 14 in location 2
 run/0: instruction main/2
+run/0: {name: "3", value: 3, type: 1, properties: ["3": "integer"]} <- copy {name: "15", value: 15, type: 0, properties: ["15": "literal"]}
 run/0: ingredient 0 is 15
 mem/0: storing 15 in location 3
 run/0: instruction main/3
+run/0: {name: "4", value: 4, type: 1, properties: ["4": "integer"]} <- copy {name: "16", value: 16, type: 0, properties: ["16": "literal"]}
 run/0: ingredient 0 is 16
 mem/0: storing 16 in location 4
 run/0: instruction main/4
+run/0: {name: "5", value: 5, type: 1, properties: ["5": "integer"]} <- index {name: "1", value: 1, type: 5-1, properties: ["1": "array":"integer"]}, {name: "0", value: 0, type: 0, properties: ["0": "literal"]}
 run/0: ingredient 0 is {name: "1", value: 1, type: 5-1, properties: ["1": "array":"integer"]}
 run/0: ingredient 1 is {name: "0", value: 0, type: 0, properties: ["0": "literal"]}
 run/0: address to copy is 2
diff --git a/cpp/.traces/index_address b/cpp/.traces/index_address
index 57e6b672..7041c06a 100644
--- a/cpp/.traces/index_address
+++ b/cpp/.traces/index_address
@@ -23,18 +23,23 @@ after-brace/0: index-address ...
 new/0: routine allocated memory from 1000 to 101000
 schedule/0: main
 run/0: instruction main/0
+run/0: {name: "1", value: 1, type: 1, properties: ["1": "integer"]} <- copy {name: "3", value: 3, type: 0, properties: ["3": "literal"]}
 run/0: ingredient 0 is 3
 mem/0: storing 3 in location 1
 run/0: instruction main/1
+run/0: {name: "2", value: 2, type: 1, properties: ["2": "integer"]} <- copy {name: "14", value: 14, type: 0, properties: ["14": "literal"]}
 run/0: ingredient 0 is 14
 mem/0: storing 14 in location 2
 run/0: instruction main/2
+run/0: {name: "3", value: 3, type: 1, properties: ["3": "integer"]} <- copy {name: "15", value: 15, type: 0, properties: ["15": "literal"]}
 run/0: ingredient 0 is 15
 mem/0: storing 15 in location 3
 run/0: instruction main/3
+run/0: {name: "4", value: 4, type: 1, properties: ["4": "integer"]} <- copy {name: "16", value: 16, type: 0, properties: ["16": "literal"]}
 run/0: ingredient 0 is 16
 mem/0: storing 16 in location 4
 run/0: instruction main/4
+run/0: {name: "5", value: 5, type: 1, properties: ["5": "integer"]} <- index-address {name: "1", value: 1, type: 5-1, properties: ["1": "array":"integer"]}, {name: "0", value: 0, type: 0, properties: ["0": "literal"]}
 run/0: ingredient 0 is 1
 run/0: ingredient 1 is {name: "0", value: 0, type: 0, properties: ["0": "literal"]}
 run/0: address to copy is 2
diff --git a/cpp/.traces/index_direct_offset b/cpp/.traces/index_direct_offset
index 4b15fa3b..c31f843e 100644
--- a/cpp/.traces/index_direct_offset
+++ b/cpp/.traces/index_direct_offset
@@ -27,21 +27,27 @@ after-brace/0: index ...
 new/0: routine allocated memory from 1000 to 101000
 schedule/0: main
 run/0: instruction main/0
+run/0: {name: "1", value: 1, type: 1, properties: ["1": "integer"]} <- copy {name: "3", value: 3, type: 0, properties: ["3": "literal"]}
 run/0: ingredient 0 is 3
 mem/0: storing 3 in location 1
 run/0: instruction main/1
+run/0: {name: "2", value: 2, type: 1, properties: ["2": "integer"]} <- copy {name: "14", value: 14, type: 0, properties: ["14": "literal"]}
 run/0: ingredient 0 is 14
 mem/0: storing 14 in location 2
 run/0: instruction main/2
+run/0: {name: "3", value: 3, type: 1, properties: ["3": "integer"]} <- copy {name: "15", value: 15, type: 0, properties: ["15": "literal"]}
 run/0: ingredient 0 is 15
 mem/0: storing 15 in location 3
 run/0: instruction main/3
+run/0: {name: "4", value: 4, type: 1, properties: ["4": "integer"]} <- copy {name: "16", value: 16, type: 0, properties: ["16": "literal"]}
 run/0: ingredient 0 is 16
 mem/0: storing 16 in location 4
 run/0: instruction main/4
+run/0: {name: "5", value: 5, type: 1, properties: ["5": "integer"]} <- copy {name: "0", value: 0, type: 0, properties: ["0": "literal"]}
 run/0: ingredient 0 is 0
 mem/0: storing 0 in location 5
 run/0: instruction main/5
+run/0: {name: "6", value: 6, type: 1, properties: ["6": "integer"]} <- index {name: "1", value: 1, type: 5-1, properties: ["1": "array":"integer"]}, {name: "5", value: 5, type: 1, properties: ["5": "integer"]}
 run/0: ingredient 0 is {name: "1", value: 1, type: 5-1, properties: ["1": "array":"integer"]}
 run/0: ingredient 1 is {name: "5", value: 5, type: 1, properties: ["5": "integer"]}
 mem/0: location 5 is 0
diff --git a/cpp/.traces/index_indirect b/cpp/.traces/index_indirect
index d2963e34..ef73381b 100644
--- a/cpp/.traces/index_indirect
+++ b/cpp/.traces/index_indirect
@@ -27,21 +27,27 @@ after-brace/0: index ...
 new/0: routine allocated memory from 1000 to 101000
 schedule/0: main
 run/0: instruction main/0
+run/0: {name: "1", value: 1, type: 1, properties: ["1": "integer"]} <- copy {name: "3", value: 3, type: 0, properties: ["3": "literal"]}
 run/0: ingredient 0 is 3
 mem/0: storing 3 in location 1
 run/0: instruction main/1
+run/0: {name: "2", value: 2, type: 1, properties: ["2": "integer"]} <- copy {name: "14", value: 14, type: 0, properties: ["14": "literal"]}
 run/0: ingredient 0 is 14
 mem/0: storing 14 in location 2
 run/0: instruction main/2
+run/0: {name: "3", value: 3, type: 1, properties: ["3": "integer"]} <- copy {name: "15", value: 15, type: 0, properties: ["15": "literal"]}
 run/0: ingredient 0 is 15
 mem/0: storing 15 in location 3
 run/0: instruction main/3
+run/0: {name: "4", value: 4, type: 1, properties: ["4": "integer"]} <- copy {name: "16", value: 16, type: 0, properties: ["16": "literal"]}
 run/0: ingredient 0 is 16
 mem/0: storing 16 in location 4
 run/0: instruction main/4
+run/0: {name: "5", value: 5, type: 2-5-1, properties: ["5": "address":"array":"integer"]} <- copy {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: ingredient 0 is 1
 mem/0: storing 1 in location 5
 run/0: instruction main/5
+run/0: {name: "6", value: 6, type: 1, properties: ["6": "integer"]} <- index {name: "5", value: 5, type: 2-5-1, properties: ["5": "address":"array":"integer", "deref": ]}, {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: ingredient 0 is {name: "5", value: 5, type: 2-5-1, properties: ["5": "address":"array":"integer", "deref": ]}
 mem/0: location 5 is 1
 run/0: ingredient 1 is {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
diff --git a/cpp/.traces/ingredient b/cpp/.traces/ingredient
index ae8b90f3..26deed09 100644
--- a/cpp/.traces/ingredient
+++ b/cpp/.traces/ingredient
@@ -15,8 +15,11 @@ after-brace/0: next-ingredient ...
 new/0: routine allocated memory from 1000 to 101000
 schedule/0: main
 run/0: instruction main/0
+run/0: f {name: "1", value: 1, type: 0, properties: ["1": "literal"]}, {name: "2", value: 2, type: 0, properties: ["2": "literal"]}
 run/0: instruction f/0
+run/0: {name: "12", value: 12, type: 1, properties: ["12": "integer"]} <- ingredient {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: product 0 is 2
 mem/0: storing 2 in location 12
 run/0: instruction f/1
+run/0: {name: "13", value: 13, type: 1, properties: ["13": "integer"]}, {name: "1", value: 1, type: 3, properties: ["1": "boolean"]} <- next-ingredient 
 mem/0: storing 0 in location 1
diff --git a/cpp/.traces/integer-to-decimal-digit-negative b/cpp/.traces/integer-to-decimal-digit-negative
index 05521c72..39d56dd2 100644
--- a/cpp/.traces/integer-to-decimal-digit-negative
+++ b/cpp/.traces/integer-to-decimal-digit-negative
@@ -10,34 +10,43 @@ after-brace/0: copy ...
 new/0: routine allocated memory from 1000 to 101000
 schedule/0: test-integer-to-decimal-digit-negative
 run/0: instruction test-integer-to-decimal-digit-negative/0
+run/0: {name: "1", value: 1, type: 2-5-4, properties: ["1": "address":"array":"character", "raw": ]} <- integer-to-decimal-string {name: "-1", value: -1, type: 0, properties: ["-1": "literal"]}
 run/0: instruction integer-to-decimal-string/0
+run/0: {name: "default-space", value: 0, type: 2-5-1, properties: ["default-space": "address":"array":"location"]} <- new {name: "location", value: 1, type: 0, properties: ["location": "type"]}, {name: "30", value: 30, type: 0, properties: ["30": "literal"]}
 mem/0: array size is 30
 mem/0: new alloc: 1000
 run/0: instruction integer-to-decimal-string/1
+run/0: {name: "n", value: 1, type: 1, properties: ["n": "integer"]} <- next-ingredient 
 run/0: product 0 is -1
 mem/0: storing -1 in location 1002
 run/0: instruction integer-to-decimal-string/3
+run/0: break-if {name: "n", value: 1, type: 1, properties: ["n": "integer"]}, {name: "", value: 2, type: , properties: ["": ]}
 mem/0: location 1002 is -1
 run/0: ingredient 0 is -1
 run/0: ingredient 1 is 
 run/0: jumping to instruction 6
 run/0: instruction integer-to-decimal-string/7
+run/0: {name: "negate-result", value: 3, type: 3, properties: ["negate-result": "boolean"]} <- copy {name: "0", value: 0, type: 0, properties: ["0": "literal"]}
 run/0: ingredient 0 is 0
 mem/0: storing 0 in location 1004
 run/0: instruction integer-to-decimal-string/9
+run/0: {name: "negative?", value: 4, type: 3, properties: ["negative?": "boolean"]} <- lesser-than {name: "n", value: 1, type: 1, properties: ["n": "integer"]}, {name: "0", value: 0, type: 0, properties: ["0": "literal"]}
 run/0: ingredient 0 is n
 mem/0: location 1002 is -1
 run/0: ingredient 1 is 0
 run/0: product 0 is 1
 mem/0: storing 1 in location 1005
 run/0: instruction integer-to-decimal-string/10
+run/0: break-unless {name: "negative?", value: 4, type: 3, properties: ["negative?": "boolean"]}, {name: "", value: 2, type: , properties: ["": ]}
 mem/0: location 1005 is 1
 run/0: ingredient 0 is 1
 run/0: jump-unless fell through
 run/0: instruction integer-to-decimal-string/11
+run/0: {name: "negate-result", value: 3, type: 3, properties: ["negate-result": "boolean"]} <- copy {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: ingredient 0 is 1
 mem/0: storing 1 in location 1004
 run/0: instruction integer-to-decimal-string/12
+run/0: {name: "n", value: 1, type: 1, properties: ["n": "integer"]} <- multiply {name: "n", value: 1, type: 1, properties: ["n": "integer"]}, {name: "-1", value: -1, type: 0, properties: ["-1": "literal"]}
 run/0: ingredient 0 is n
 mem/0: location 1002 is -1
 run/0: ingredient 1 is -1
@@ -45,13 +54,17 @@ run/0: ingredient 1 is -1
 run/0: product 0 is 1
 mem/0: storing 1 in location 1002
 run/0: instruction integer-to-decimal-string/14
+run/0: {name: "tmp", value: 5, type: 2-9, properties: ["tmp": "address":"buffer"]} <- init-buffer {name: "30", value: 30, type: 0, properties: ["30": "literal"]}
 run/0: instruction init-buffer/0
+run/0: {name: "default-space", value: 0, type: 2-5-1, properties: ["default-space": "address":"array":"location"]} <- new {name: "location", value: 1, type: 0, properties: ["location": "type"]}, {name: "30", value: 30, type: 0, properties: ["30": "literal"]}
 mem/0: array size is 30
 mem/0: new alloc: 1030
 run/0: instruction init-buffer/1
+run/0: {name: "result", value: 1, type: 2-9, properties: ["result": "address":"buffer"]} <- new {name: "buffer", value: 9, type: 0, properties: ["buffer": "type"]}
 mem/0: new alloc: 1060
 mem/0: storing 1060 in location 1032
 run/0: instruction init-buffer/2
+run/0: {name: "len", value: 2, type: 2-1, properties: ["len": "address":"integer"]} <- get-address {name: "result", value: 1, type: 2-9, properties: ["result": "address":"buffer", "deref": ]}, {name: "length", value: 0, type: 0, properties: ["length": "offset"]}
 run/0: ingredient 0 is result
 mem/0: location 1032 is 1060
 run/0: ingredient 1 is length
@@ -59,10 +72,12 @@ run/0: address to copy is 1060
 run/0: product 0 is 1060
 mem/0: storing 1060 in location 1033
 run/0: instruction init-buffer/3
+run/0: {name: "len", value: 2, type: 2-1, properties: ["len": "address":"integer", "deref": ]} <- copy {name: "0", value: 0, type: 0, properties: ["0": "literal"]}
 run/0: ingredient 0 is 0
 mem/0: location 1033 is 1060
 mem/0: storing 0 in location 1060
 run/0: instruction init-buffer/4
+run/0: {name: "s", value: 3, type: 2-2-5-4, properties: ["s": "address":"address":"array":"character"]} <- get-address {name: "result", value: 1, type: 2-9, properties: ["result": "address":"buffer", "deref": ]}, {name: "data", value: 1, type: 0, properties: ["data": "offset"]}
 run/0: ingredient 0 is result
 mem/0: location 1032 is 1060
 run/0: ingredient 1 is data
@@ -70,32 +85,39 @@ run/0: address to copy is 1061
 run/0: product 0 is 1061
 mem/0: storing 1061 in location 1034
 run/0: instruction init-buffer/5
+run/0: {name: "capacity", value: 4, type: 1, properties: ["capacity": "integer"]} <- next-ingredient 
 run/0: product 0 is 30
 mem/0: storing 30 in location 1035
 run/0: instruction init-buffer/6
+run/0: {name: "s", value: 3, type: 2-2-5-4, properties: ["s": "address":"address":"array":"character", "deref": ]} <- new {name: "character", value: 4, type: 0, properties: ["character": "type"]}, {name: "capacity", value: 4, type: 1, properties: ["capacity": "integer"]}
 mem/0: location 1035 is 30
 mem/0: array size is 30
 mem/0: new alloc: 1062
 mem/0: location 1034 is 1061
 mem/0: storing 1062 in location 1061
 run/0: instruction init-buffer/7
+run/0: reply {name: "result", value: 1, type: 2-9, properties: ["result": "address":"buffer"]}
 mem/0: location 1032 is 1060
 run/0: result 0 is 1060
 mem/0: storing 1060 in location 1006
 run/0: instruction integer-to-decimal-string/15
+run/0: {name: "digit-base", value: 6, type: 1, properties: ["digit-base": "integer"]} <- copy {name: "48", value: 48, type: 0, properties: ["48": "literal"]}
 run/0: ingredient 0 is 48
 mem/0: storing 48 in location 1007
 run/0: instruction integer-to-decimal-string/17
+run/0: {name: "done?", value: 7, type: 3, properties: ["done?": "boolean"]} <- equal {name: "n", value: 1, type: 1, properties: ["n": "integer"]}, {name: "0", value: 0, type: 0, properties: ["0": "literal"]}
 run/0: ingredient 0 is n
 mem/0: location 1002 is 1
 run/0: ingredient 1 is 0
 run/0: product 0 is 0
 mem/0: storing 0 in location 1008
 run/0: instruction integer-to-decimal-string/18
+run/0: break-if {name: "done?", value: 7, type: 3, properties: ["done?": "boolean"]}, {name: "", value: 4, type: , properties: ["": ]}
 mem/0: location 1008 is 0
 run/0: ingredient 0 is 0
 run/0: jump-if fell through
 run/0: instruction integer-to-decimal-string/19
+run/0: {name: "n", value: 1, type: 1, properties: ["n": "integer"]}, {name: "digit", value: 8, type: 1, properties: ["digit": "integer"]} <- divide-with-remainder {name: "n", value: 1, type: 1, properties: ["n": "integer"]}, {name: "10", value: 10, type: 0, properties: ["10": "literal"]}
 run/0: ingredient 0 is n
 mem/0: location 1002 is 1
 run/0: ingredient 1 is 10
@@ -104,6 +126,7 @@ mem/0: storing 0 in location 1002
 run/0: product 1 is 1
 mem/0: storing 1 in location 1009
 run/0: instruction integer-to-decimal-string/20
+run/0: {name: "c", value: 9, type: 4, properties: ["c": "character"]} <- add {name: "digit-base", value: 6, type: 1, properties: ["digit-base": "integer"]}, {name: "digit", value: 8, type: 1, properties: ["digit": "integer"]}
 run/0: ingredient 0 is digit-base
 mem/0: location 1007 is 48
 run/0: ingredient 1 is digit
@@ -111,26 +134,34 @@ mem/0: location 1009 is 1
 run/0: product 0 is 49
 mem/0: storing 49 in location 1010
 run/0: instruction integer-to-decimal-string/21
+run/0: {name: "tmp", value: 5, type: 2-9, properties: ["tmp": "address":"buffer"]} <- buffer-append {name: "tmp", value: 5, type: 2-9, properties: ["tmp": "address":"buffer"]}, {name: "c", value: 9, type: 4, properties: ["c": "character"]}
 mem/0: location 1006 is 1060
 mem/0: location 1010 is 49
 run/0: instruction buffer-append/0
+run/0: {name: "default-space", value: 0, type: 2-5-1, properties: ["default-space": "address":"array":"location"]} <- new {name: "location", value: 1, type: 0, properties: ["location": "type"]}, {name: "30", value: 30, type: 0, properties: ["30": "literal"]}
 mem/0: array size is 30
 mem/0: new alloc: 1092
 run/0: instruction buffer-append/1
+run/0: {name: "in", value: 1, type: 2-9, properties: ["in": "address":"buffer"]} <- next-ingredient 
 run/0: product 0 is 1060
 mem/0: storing 1060 in location 1094
 run/0: instruction buffer-append/2
+run/0: {name: "c", value: 2, type: 4, properties: ["c": "character"]} <- next-ingredient 
 run/0: product 0 is 49
 mem/0: storing 49 in location 1095
 run/0: instruction buffer-append/4
+run/0: {name: "full?", value: 3, type: 3, properties: ["full?": "boolean"]} <- buffer-full? {name: "in", value: 1, type: 2-9, properties: ["in": "address":"buffer"]}
 mem/0: location 1094 is 1060
 run/0: instruction buffer-full?/0
+run/0: {name: "default-space", value: 0, type: 2-5-1, properties: ["default-space": "address":"array":"location"]} <- new {name: "location", value: 1, type: 0, properties: ["location": "type"]}, {name: "30", value: 30, type: 0, properties: ["30": "literal"]}
 mem/0: array size is 30
 mem/0: new alloc: 1122
 run/0: instruction buffer-full?/1
+run/0: {name: "in", value: 1, type: 2-9, properties: ["in": "address":"buffer"]} <- next-ingredient 
 run/0: product 0 is 1060
 mem/0: storing 1060 in location 1124
 run/0: instruction buffer-full?/2
+run/0: {name: "len", value: 2, type: 1, properties: ["len": "integer"]} <- get {name: "in", value: 1, type: 2-9, properties: ["in": "address":"buffer", "deref": ]}, {name: "length", value: 0, type: 0, properties: ["length": "offset"]}
 run/0: ingredient 0 is in
 mem/0: location 1124 is 1060
 run/0: ingredient 1 is length
@@ -140,6 +171,7 @@ mem/0: location 1060 is 0
 run/0: product 0 is 0
 mem/0: storing 0 in location 1125
 run/0: instruction buffer-full?/3
+run/0: {name: "s", value: 3, type: 2-5-4, properties: ["s": "address":"array":"character"]} <- get {name: "in", value: 1, type: 2-9, properties: ["in": "address":"buffer", "deref": ]}, {name: "data", value: 1, type: 0, properties: ["data": "offset"]}
 run/0: ingredient 0 is in
 mem/0: location 1124 is 1060
 run/0: ingredient 1 is data
@@ -149,9 +181,11 @@ mem/0: location 1061 is 1062
 run/0: product 0 is 1062
 mem/0: storing 1062 in location 1126
 run/0: instruction buffer-full?/4
+run/0: {name: "capacity", value: 4, type: 1, properties: ["capacity": "integer"]} <- length {name: "s", value: 3, type: 2-5-4, properties: ["s": "address":"array":"character", "deref": ]}
 mem/0: location 1126 is 1062
 mem/0: storing 30 in location 1127
 run/0: instruction buffer-full?/5
+run/0: {name: "result", value: 5, type: 3, properties: ["result": "boolean"]} <- greater-or-equal {name: "len", value: 2, type: 1, properties: ["len": "integer"]}, {name: "capacity", value: 4, type: 1, properties: ["capacity": "integer"]}
 run/0: ingredient 0 is len
 mem/0: location 1125 is 0
 run/0: ingredient 1 is capacity
@@ -159,15 +193,18 @@ mem/0: location 1127 is 30
 run/0: product 0 is 0
 mem/0: storing 0 in location 1128
 run/0: instruction buffer-full?/6
+run/0: reply {name: "result", value: 5, type: 3, properties: ["result": "boolean"]}
 mem/0: location 1128 is 0
 run/0: result 0 is 0
 mem/0: storing 0 in location 1096
 run/0: instruction buffer-append/5
+run/0: break-unless {name: "full?", value: 3, type: 3, properties: ["full?": "boolean"]}, {name: "", value: 1, type: , properties: ["": ]}
 mem/0: location 1096 is 0
 run/0: ingredient 0 is 0
 run/0: ingredient 1 is 
 run/0: jumping to instruction 7
 run/0: instruction buffer-append/8
+run/0: {name: "len", value: 4, type: 2-1, properties: ["len": "address":"integer"]} <- get-address {name: "in", value: 1, type: 2-9, properties: ["in": "address":"buffer", "deref": ]}, {name: "length", value: 0, type: 0, properties: ["length": "offset"]}
 run/0: ingredient 0 is in
 mem/0: location 1094 is 1060
 run/0: ingredient 1 is length
@@ -175,6 +212,7 @@ run/0: address to copy is 1060
 run/0: product 0 is 1060
 mem/0: storing 1060 in location 1097
 run/0: instruction buffer-append/9
+run/0: {name: "s", value: 5, type: 2-5-4, properties: ["s": "address":"array":"character"]} <- get {name: "in", value: 1, type: 2-9, properties: ["in": "address":"buffer", "deref": ]}, {name: "data", value: 1, type: 0, properties: ["data": "offset"]}
 run/0: ingredient 0 is in
 mem/0: location 1094 is 1060
 run/0: ingredient 1 is data
@@ -184,6 +222,7 @@ mem/0: location 1061 is 1062
 run/0: product 0 is 1062
 mem/0: storing 1062 in location 1098
 run/0: instruction buffer-append/10
+run/0: {name: "dest", value: 6, type: 2-4, properties: ["dest": "address":"character"]} <- index-address {name: "s", value: 5, type: 2-5-4, properties: ["s": "address":"array":"character", "deref": ]}, {name: "len", value: 4, type: 2-1, properties: ["len": "address":"integer", "deref": ]}
 run/0: ingredient 0 is s
 mem/0: location 1098 is 1062
 run/0: ingredient 1 is {name: "len", value: 4, type: 2-1, properties: ["len": "address":"integer", "deref": ]}
@@ -193,11 +232,13 @@ run/0: address to copy is 1063
 run/0: product 0 is 1063
 mem/0: storing 1063 in location 1099
 run/0: instruction buffer-append/11
+run/0: {name: "dest", value: 6, type: 2-4, properties: ["dest": "address":"character", "deref": ]} <- copy {name: "c", value: 2, type: 4, properties: ["c": "character"]}
 run/0: ingredient 0 is c
 mem/0: location 1095 is 49
 mem/0: location 1099 is 1063
 mem/0: storing 49 in location 1063
 run/0: instruction buffer-append/12
+run/0: {name: "len", value: 4, type: 2-1, properties: ["len": "address":"integer", "deref": ]} <- add {name: "len", value: 4, type: 2-1, properties: ["len": "address":"integer", "deref": ]}, {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: ingredient 0 is len
 mem/0: location 1097 is 1060
 mem/0: location 1060 is 0
@@ -206,47 +247,60 @@ run/0: product 0 is 1
 mem/0: location 1097 is 1060
 mem/0: storing 1 in location 1060
 run/0: instruction buffer-append/13
+run/0: reply {name: "in", value: 1, type: 2-9, properties: ["in": "address":"buffer", "same-as-ingredient": "0"]}
 mem/0: location 1094 is 1060
 run/0: result 0 is 1060
 mem/0: storing 1060 in location 1006
 run/0: instruction integer-to-decimal-string/22
+run/0: loop {name: "", value: -6, type: , properties: ["": ]}
 run/0: ingredient 0 is -6
 run/0: jumping to instruction 17
 run/0: instruction integer-to-decimal-string/17
+run/0: {name: "done?", value: 7, type: 3, properties: ["done?": "boolean"]} <- equal {name: "n", value: 1, type: 1, properties: ["n": "integer"]}, {name: "0", value: 0, type: 0, properties: ["0": "literal"]}
 run/0: ingredient 0 is n
 mem/0: location 1002 is 0
 run/0: ingredient 1 is 0
 run/0: product 0 is 1
 mem/0: storing 1 in location 1008
 run/0: instruction integer-to-decimal-string/18
+run/0: break-if {name: "done?", value: 7, type: 3, properties: ["done?": "boolean"]}, {name: "", value: 4, type: , properties: ["": ]}
 mem/0: location 1008 is 1
 run/0: ingredient 0 is 1
 run/0: ingredient 1 is 
 run/0: jumping to instruction 23
 run/0: instruction integer-to-decimal-string/25
+run/0: break-unless {name: "negate-result", value: 3, type: 3, properties: ["negate-result": "boolean"]}, {name: "", value: 1, type: , properties: ["": ]}
 mem/0: location 1004 is 1
 run/0: ingredient 0 is 1
 run/0: jump-unless fell through
 run/0: instruction integer-to-decimal-string/26
+run/0: {name: "tmp", value: 5, type: 2-9, properties: ["tmp": "address":"buffer"]} <- buffer-append {name: "tmp", value: 5, type: 2-9, properties: ["tmp": "address":"buffer"]}, {name: "45", value: 45, type: 0, properties: ["45": "literal"]}
 mem/0: location 1006 is 1060
 run/0: instruction buffer-append/0
+run/0: {name: "default-space", value: 0, type: 2-5-1, properties: ["default-space": "address":"array":"location"]} <- new {name: "location", value: 1, type: 0, properties: ["location": "type"]}, {name: "30", value: 30, type: 0, properties: ["30": "literal"]}
 mem/0: array size is 30
 mem/0: new alloc: 1152
 run/0: instruction buffer-append/1
+run/0: {name: "in", value: 1, type: 2-9, properties: ["in": "address":"buffer"]} <- next-ingredient 
 run/0: product 0 is 1060
 mem/0: storing 1060 in location 1154
 run/0: instruction buffer-append/2
+run/0: {name: "c", value: 2, type: 4, properties: ["c": "character"]} <- next-ingredient 
 run/0: product 0 is 45
 mem/0: storing 45 in location 1155
 run/0: instruction buffer-append/4
+run/0: {name: "full?", value: 3, type: 3, properties: ["full?": "boolean"]} <- buffer-full? {name: "in", value: 1, type: 2-9, properties: ["in": "address":"buffer"]}
 mem/0: location 1154 is 1060
 run/0: instruction buffer-full?/0
+run/0: {name: "default-space", value: 0, type: 2-5-1, properties: ["default-space": "address":"array":"location"]} <- new {name: "location", value: 1, type: 0, properties: ["location": "type"]}, {name: "30", value: 30, type: 0, properties: ["30": "literal"]}
 mem/0: array size is 30
 mem/0: new alloc: 1182
 run/0: instruction buffer-full?/1
+run/0: {name: "in", value: 1, type: 2-9, properties: ["in": "address":"buffer"]} <- next-ingredient 
 run/0: product 0 is 1060
 mem/0: storing 1060 in location 1184
 run/0: instruction buffer-full?/2
+run/0: {name: "len", value: 2, type: 1, properties: ["len": "integer"]} <- get {name: "in", value: 1, type: 2-9, properties: ["in": "address":"buffer", "deref": ]}, {name: "length", value: 0, type: 0, properties: ["length": "offset"]}
 run/0: ingredient 0 is in
 mem/0: location 1184 is 1060
 run/0: ingredient 1 is length
@@ -256,6 +310,7 @@ mem/0: location 1060 is 1
 run/0: product 0 is 1
 mem/0: storing 1 in location 1185
 run/0: instruction buffer-full?/3
+run/0: {name: "s", value: 3, type: 2-5-4, properties: ["s": "address":"array":"character"]} <- get {name: "in", value: 1, type: 2-9, properties: ["in": "address":"buffer", "deref": ]}, {name: "data", value: 1, type: 0, properties: ["data": "offset"]}
 run/0: ingredient 0 is in
 mem/0: location 1184 is 1060
 run/0: ingredient 1 is data
@@ -265,9 +320,11 @@ mem/0: location 1061 is 1062
 run/0: product 0 is 1062
 mem/0: storing 1062 in location 1186
 run/0: instruction buffer-full?/4
+run/0: {name: "capacity", value: 4, type: 1, properties: ["capacity": "integer"]} <- length {name: "s", value: 3, type: 2-5-4, properties: ["s": "address":"array":"character", "deref": ]}
 mem/0: location 1186 is 1062
 mem/0: storing 30 in location 1187
 run/0: instruction buffer-full?/5
+run/0: {name: "result", value: 5, type: 3, properties: ["result": "boolean"]} <- greater-or-equal {name: "len", value: 2, type: 1, properties: ["len": "integer"]}, {name: "capacity", value: 4, type: 1, properties: ["capacity": "integer"]}
 run/0: ingredient 0 is len
 mem/0: location 1185 is 1
 run/0: ingredient 1 is capacity
@@ -275,15 +332,18 @@ mem/0: location 1187 is 30
 run/0: product 0 is 0
 mem/0: storing 0 in location 1188
 run/0: instruction buffer-full?/6
+run/0: reply {name: "result", value: 5, type: 3, properties: ["result": "boolean"]}
 mem/0: location 1188 is 0
 run/0: result 0 is 0
 mem/0: storing 0 in location 1156
 run/0: instruction buffer-append/5
+run/0: break-unless {name: "full?", value: 3, type: 3, properties: ["full?": "boolean"]}, {name: "", value: 1, type: , properties: ["": ]}
 mem/0: location 1156 is 0
 run/0: ingredient 0 is 0
 run/0: ingredient 1 is 
 run/0: jumping to instruction 7
 run/0: instruction buffer-append/8
+run/0: {name: "len", value: 4, type: 2-1, properties: ["len": "address":"integer"]} <- get-address {name: "in", value: 1, type: 2-9, properties: ["in": "address":"buffer", "deref": ]}, {name: "length", value: 0, type: 0, properties: ["length": "offset"]}
 run/0: ingredient 0 is in
 mem/0: location 1154 is 1060
 run/0: ingredient 1 is length
@@ -291,6 +351,7 @@ run/0: address to copy is 1060
 run/0: product 0 is 1060
 mem/0: storing 1060 in location 1157
 run/0: instruction buffer-append/9
+run/0: {name: "s", value: 5, type: 2-5-4, properties: ["s": "address":"array":"character"]} <- get {name: "in", value: 1, type: 2-9, properties: ["in": "address":"buffer", "deref": ]}, {name: "data", value: 1, type: 0, properties: ["data": "offset"]}
 run/0: ingredient 0 is in
 mem/0: location 1154 is 1060
 run/0: ingredient 1 is data
@@ -300,6 +361,7 @@ mem/0: location 1061 is 1062
 run/0: product 0 is 1062
 mem/0: storing 1062 in location 1158
 run/0: instruction buffer-append/10
+run/0: {name: "dest", value: 6, type: 2-4, properties: ["dest": "address":"character"]} <- index-address {name: "s", value: 5, type: 2-5-4, properties: ["s": "address":"array":"character", "deref": ]}, {name: "len", value: 4, type: 2-1, properties: ["len": "address":"integer", "deref": ]}
 run/0: ingredient 0 is s
 mem/0: location 1158 is 1062
 run/0: ingredient 1 is {name: "len", value: 4, type: 2-1, properties: ["len": "address":"integer", "deref": ]}
@@ -309,11 +371,13 @@ run/0: address to copy is 1064
 run/0: product 0 is 1064
 mem/0: storing 1064 in location 1159
 run/0: instruction buffer-append/11
+run/0: {name: "dest", value: 6, type: 2-4, properties: ["dest": "address":"character", "deref": ]} <- copy {name: "c", value: 2, type: 4, properties: ["c": "character"]}
 run/0: ingredient 0 is c
 mem/0: location 1155 is 45
 mem/0: location 1159 is 1064
 mem/0: storing 45 in location 1064
 run/0: instruction buffer-append/12
+run/0: {name: "len", value: 4, type: 2-1, properties: ["len": "address":"integer", "deref": ]} <- add {name: "len", value: 4, type: 2-1, properties: ["len": "address":"integer", "deref": ]}, {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: ingredient 0 is len
 mem/0: location 1157 is 1060
 mem/0: location 1060 is 1
@@ -322,10 +386,12 @@ run/0: product 0 is 2
 mem/0: location 1157 is 1060
 mem/0: storing 2 in location 1060
 run/0: instruction buffer-append/13
+run/0: reply {name: "in", value: 1, type: 2-9, properties: ["in": "address":"buffer", "same-as-ingredient": "0"]}
 mem/0: location 1154 is 1060
 run/0: result 0 is 1060
 mem/0: storing 1060 in location 1006
 run/0: instruction integer-to-decimal-string/28
+run/0: {name: "len", value: 10, type: 1, properties: ["len": "integer"]} <- get {name: "tmp", value: 5, type: 2-9, properties: ["tmp": "address":"buffer", "deref": ]}, {name: "length", value: 0, type: 0, properties: ["length": "offset"]}
 run/0: ingredient 0 is tmp
 mem/0: location 1006 is 1060
 run/0: ingredient 1 is length
@@ -335,6 +401,7 @@ mem/0: location 1060 is 2
 run/0: product 0 is 2
 mem/0: storing 2 in location 1011
 run/0: instruction integer-to-decimal-string/29
+run/0: {name: "buf", value: 11, type: 2-5-4, properties: ["buf": "address":"array":"character"]} <- get {name: "tmp", value: 5, type: 2-9, properties: ["tmp": "address":"buffer", "deref": ]}, {name: "data", value: 1, type: 0, properties: ["data": "offset"]}
 run/0: ingredient 0 is tmp
 mem/0: location 1006 is 1060
 run/0: ingredient 1 is data
@@ -344,30 +411,36 @@ mem/0: location 1061 is 1062
 run/0: product 0 is 1062
 mem/0: storing 1062 in location 1012
 run/0: instruction integer-to-decimal-string/30
+run/0: {name: "result", value: 2, type: 2-5-4, properties: ["result": "address":"array":"character"]} <- new {name: "character", value: 4, type: 0, properties: ["character": "type"]}, {name: "len", value: 10, type: 1, properties: ["len": "integer"]}
 mem/0: location 1011 is 2
 mem/0: array size is 2
 mem/0: new alloc: 1212
 mem/0: storing 1212 in location 1003
 run/0: instruction integer-to-decimal-string/31
+run/0: {name: "i", value: 12, type: 1, properties: ["i": "integer"]} <- subtract {name: "len", value: 10, type: 1, properties: ["len": "integer"]}, {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: ingredient 0 is len
 mem/0: location 1011 is 2
 run/0: ingredient 1 is 1
 run/0: product 0 is 1
 mem/0: storing 1 in location 1013
 run/0: instruction integer-to-decimal-string/32
+run/0: {name: "j", value: 13, type: 1, properties: ["j": "integer"]} <- copy {name: "0", value: 0, type: 0, properties: ["0": "literal"]}
 run/0: ingredient 0 is 0
 mem/0: storing 0 in location 1014
 run/0: instruction integer-to-decimal-string/34
+run/0: {name: "done?", value: 7, type: 3, properties: ["done?": "boolean"]} <- lesser-than {name: "i", value: 12, type: 1, properties: ["i": "integer"]}, {name: "0", value: 0, type: 0, properties: ["0": "literal"]}
 run/0: ingredient 0 is i
 mem/0: location 1013 is 1
 run/0: ingredient 1 is 0
 run/0: product 0 is 0
 mem/0: storing 0 in location 1008
 run/0: instruction integer-to-decimal-string/35
+run/0: break-if {name: "done?", value: 7, type: 3, properties: ["done?": "boolean"]}, {name: "", value: 6, type: , properties: ["": ]}
 mem/0: location 1008 is 0
 run/0: ingredient 0 is 0
 run/0: jump-if fell through
 run/0: instruction integer-to-decimal-string/36
+run/0: {name: "src", value: 14, type: 4, properties: ["src": "character"]} <- index {name: "buf", value: 11, type: 2-5-4, properties: ["buf": "address":"array":"character", "deref": ]}, {name: "i", value: 12, type: 1, properties: ["i": "integer"]}
 run/0: ingredient 0 is {name: "buf", value: 11, type: 2-5-4, properties: ["buf": "address":"array":"character", "deref": ]}
 mem/0: location 1012 is 1062
 run/0: ingredient 1 is {name: "i", value: 12, type: 1, properties: ["i": "integer"]}
@@ -378,6 +451,7 @@ mem/0: location 1064 is 45
 run/0: product 0 is 45
 mem/0: storing 45 in location 1015
 run/0: instruction integer-to-decimal-string/37
+run/0: {name: "dest", value: 15, type: 2-4, properties: ["dest": "address":"character"]} <- index-address {name: "result", value: 2, type: 2-5-4, properties: ["result": "address":"array":"character", "deref": ]}, {name: "j", value: 13, type: 1, properties: ["j": "integer"]}
 run/0: ingredient 0 is result
 mem/0: location 1003 is 1212
 run/0: ingredient 1 is {name: "j", value: 13, type: 1, properties: ["j": "integer"]}
@@ -386,36 +460,43 @@ run/0: address to copy is 1213
 run/0: product 0 is 1213
 mem/0: storing 1213 in location 1016
 run/0: instruction integer-to-decimal-string/38
+run/0: {name: "dest", value: 15, type: 2-4, properties: ["dest": "address":"character", "deref": ]} <- copy {name: "src", value: 14, type: 4, properties: ["src": "character"]}
 run/0: ingredient 0 is src
 mem/0: location 1015 is 45
 mem/0: location 1016 is 1213
 mem/0: storing 45 in location 1213
 run/0: instruction integer-to-decimal-string/39
+run/0: {name: "i", value: 12, type: 1, properties: ["i": "integer"]} <- subtract {name: "i", value: 12, type: 1, properties: ["i": "integer"]}, {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: ingredient 0 is i
 mem/0: location 1013 is 1
 run/0: ingredient 1 is 1
 run/0: product 0 is 0
 mem/0: storing 0 in location 1013
 run/0: instruction integer-to-decimal-string/40
+run/0: {name: "j", value: 13, type: 1, properties: ["j": "integer"]} <- add {name: "j", value: 13, type: 1, properties: ["j": "integer"]}, {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: ingredient 0 is j
 mem/0: location 1014 is 0
 run/0: ingredient 1 is 1
 run/0: product 0 is 1
 mem/0: storing 1 in location 1014
 run/0: instruction integer-to-decimal-string/41
+run/0: loop {name: "", value: -8, type: , properties: ["": ]}
 run/0: ingredient 0 is -8
 run/0: jumping to instruction 34
 run/0: instruction integer-to-decimal-string/34
+run/0: {name: "done?", value: 7, type: 3, properties: ["done?": "boolean"]} <- lesser-than {name: "i", value: 12, type: 1, properties: ["i": "integer"]}, {name: "0", value: 0, type: 0, properties: ["0": "literal"]}
 run/0: ingredient 0 is i
 mem/0: location 1013 is 0
 run/0: ingredient 1 is 0
 run/0: product 0 is 0
 mem/0: storing 0 in location 1008
 run/0: instruction integer-to-decimal-string/35
+run/0: break-if {name: "done?", value: 7, type: 3, properties: ["done?": "boolean"]}, {name: "", value: 6, type: , properties: ["": ]}
 mem/0: location 1008 is 0
 run/0: ingredient 0 is 0
 run/0: jump-if fell through
 run/0: instruction integer-to-decimal-string/36
+run/0: {name: "src", value: 14, type: 4, properties: ["src": "character"]} <- index {name: "buf", value: 11, type: 2-5-4, properties: ["buf": "address":"array":"character", "deref": ]}, {name: "i", value: 12, type: 1, properties: ["i": "integer"]}
 run/0: ingredient 0 is {name: "buf", value: 11, type: 2-5-4, properties: ["buf": "address":"array":"character", "deref": ]}
 mem/0: location 1012 is 1062
 run/0: ingredient 1 is {name: "i", value: 12, type: 1, properties: ["i": "integer"]}
@@ -426,6 +507,7 @@ mem/0: location 1063 is 49
 run/0: product 0 is 49
 mem/0: storing 49 in location 1015
 run/0: instruction integer-to-decimal-string/37
+run/0: {name: "dest", value: 15, type: 2-4, properties: ["dest": "address":"character"]} <- index-address {name: "result", value: 2, type: 2-5-4, properties: ["result": "address":"array":"character", "deref": ]}, {name: "j", value: 13, type: 1, properties: ["j": "integer"]}
 run/0: ingredient 0 is result
 mem/0: location 1003 is 1212
 run/0: ingredient 1 is {name: "j", value: 13, type: 1, properties: ["j": "integer"]}
@@ -434,41 +516,49 @@ run/0: address to copy is 1214
 run/0: product 0 is 1214
 mem/0: storing 1214 in location 1016
 run/0: instruction integer-to-decimal-string/38
+run/0: {name: "dest", value: 15, type: 2-4, properties: ["dest": "address":"character", "deref": ]} <- copy {name: "src", value: 14, type: 4, properties: ["src": "character"]}
 run/0: ingredient 0 is src
 mem/0: location 1015 is 49
 mem/0: location 1016 is 1214
 mem/0: storing 49 in location 1214
 run/0: instruction integer-to-decimal-string/39
+run/0: {name: "i", value: 12, type: 1, properties: ["i": "integer"]} <- subtract {name: "i", value: 12, type: 1, properties: ["i": "integer"]}, {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: ingredient 0 is i
 mem/0: location 1013 is 0
 run/0: ingredient 1 is 1
 run/0: product 0 is -1
 mem/0: storing -1 in location 1013
 run/0: instruction integer-to-decimal-string/40
+run/0: {name: "j", value: 13, type: 1, properties: ["j": "integer"]} <- add {name: "j", value: 13, type: 1, properties: ["j": "integer"]}, {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: ingredient 0 is j
 mem/0: location 1014 is 1
 run/0: ingredient 1 is 1
 run/0: product 0 is 2
 mem/0: storing 2 in location 1014
 run/0: instruction integer-to-decimal-string/41
+run/0: loop {name: "", value: -8, type: , properties: ["": ]}
 run/0: ingredient 0 is -8
 run/0: jumping to instruction 34
 run/0: instruction integer-to-decimal-string/34
+run/0: {name: "done?", value: 7, type: 3, properties: ["done?": "boolean"]} <- lesser-than {name: "i", value: 12, type: 1, properties: ["i": "integer"]}, {name: "0", value: 0, type: 0, properties: ["0": "literal"]}
 run/0: ingredient 0 is i
 mem/0: location 1013 is -1
 run/0: ingredient 1 is 0
 run/0: product 0 is 1
 mem/0: storing 1 in location 1008
 run/0: instruction integer-to-decimal-string/35
+run/0: break-if {name: "done?", value: 7, type: 3, properties: ["done?": "boolean"]}, {name: "", value: 6, type: , properties: ["": ]}
 mem/0: location 1008 is 1
 run/0: ingredient 0 is 1
 run/0: ingredient 1 is 
 run/0: jumping to instruction 42
 run/0: instruction integer-to-decimal-string/43
+run/0: reply {name: "result", value: 2, type: 2-5-4, properties: ["result": "address":"array":"character"]}
 mem/0: location 1003 is 1212
 run/0: result 0 is 1212
 mem/0: storing 1212 in location 1
 run/0: instruction test-integer-to-decimal-digit-negative/1
+run/0: {name: "2", value: 2, type: 5-4, properties: ["2": "array":"character", "raw": ]} <- copy {name: "1", value: 1, type: 2-5-4, properties: ["1": "address":"array":"character", "deref": , "raw": ]}
 run/0: ingredient 0 is 1
 mem/0: location 1 is 1212
 mem/0: location 1212 is 2
diff --git a/cpp/.traces/integer-to-decimal-digit-positive b/cpp/.traces/integer-to-decimal-digit-positive
index eaa0ee3b..7239ec92 100644
--- a/cpp/.traces/integer-to-decimal-digit-positive
+++ b/cpp/.traces/integer-to-decimal-digit-positive
@@ -10,39 +10,50 @@ after-brace/0: copy ...
 new/0: routine allocated memory from 1000 to 101000
 schedule/0: test-integer-to-decimal-digit-positive
 run/0: instruction test-integer-to-decimal-digit-positive/0
+run/0: {name: "1", value: 1, type: 2-5-4, properties: ["1": "address":"array":"character", "raw": ]} <- integer-to-decimal-string {name: "234", value: 234, type: 0, properties: ["234": "literal"]}
 run/0: instruction integer-to-decimal-string/0
+run/0: {name: "default-space", value: 0, type: 2-5-1, properties: ["default-space": "address":"array":"location"]} <- new {name: "location", value: 1, type: 0, properties: ["location": "type"]}, {name: "30", value: 30, type: 0, properties: ["30": "literal"]}
 mem/0: array size is 30
 mem/0: new alloc: 1000
 run/0: instruction integer-to-decimal-string/1
+run/0: {name: "n", value: 1, type: 1, properties: ["n": "integer"]} <- next-ingredient 
 run/0: product 0 is 234
 mem/0: storing 234 in location 1002
 run/0: instruction integer-to-decimal-string/3
+run/0: break-if {name: "n", value: 1, type: 1, properties: ["n": "integer"]}, {name: "", value: 2, type: , properties: ["": ]}
 mem/0: location 1002 is 234
 run/0: ingredient 0 is 234
 run/0: ingredient 1 is 
 run/0: jumping to instruction 6
 run/0: instruction integer-to-decimal-string/7
+run/0: {name: "negate-result", value: 3, type: 3, properties: ["negate-result": "boolean"]} <- copy {name: "0", value: 0, type: 0, properties: ["0": "literal"]}
 run/0: ingredient 0 is 0
 mem/0: storing 0 in location 1004
 run/0: instruction integer-to-decimal-string/9
+run/0: {name: "negative?", value: 4, type: 3, properties: ["negative?": "boolean"]} <- lesser-than {name: "n", value: 1, type: 1, properties: ["n": "integer"]}, {name: "0", value: 0, type: 0, properties: ["0": "literal"]}
 run/0: ingredient 0 is n
 mem/0: location 1002 is 234
 run/0: ingredient 1 is 0
 run/0: product 0 is 0
 mem/0: storing 0 in location 1005
 run/0: instruction integer-to-decimal-string/10
+run/0: break-unless {name: "negative?", value: 4, type: 3, properties: ["negative?": "boolean"]}, {name: "", value: 2, type: , properties: ["": ]}
 mem/0: location 1005 is 0
 run/0: ingredient 0 is 0
 run/0: ingredient 1 is 
 run/0: jumping to instruction 13
 run/0: instruction integer-to-decimal-string/14
+run/0: {name: "tmp", value: 5, type: 2-9, properties: ["tmp": "address":"buffer"]} <- init-buffer {name: "30", value: 30, type: 0, properties: ["30": "literal"]}
 run/0: instruction init-buffer/0
+run/0: {name: "default-space", value: 0, type: 2-5-1, properties: ["default-space": "address":"array":"location"]} <- new {name: "location", value: 1, type: 0, properties: ["location": "type"]}, {name: "30", value: 30, type: 0, properties: ["30": "literal"]}
 mem/0: array size is 30
 mem/0: new alloc: 1030
 run/0: instruction init-buffer/1
+run/0: {name: "result", value: 1, type: 2-9, properties: ["result": "address":"buffer"]} <- new {name: "buffer", value: 9, type: 0, properties: ["buffer": "type"]}
 mem/0: new alloc: 1060
 mem/0: storing 1060 in location 1032
 run/0: instruction init-buffer/2
+run/0: {name: "len", value: 2, type: 2-1, properties: ["len": "address":"integer"]} <- get-address {name: "result", value: 1, type: 2-9, properties: ["result": "address":"buffer", "deref": ]}, {name: "length", value: 0, type: 0, properties: ["length": "offset"]}
 run/0: ingredient 0 is result
 mem/0: location 1032 is 1060
 run/0: ingredient 1 is length
@@ -50,10 +61,12 @@ run/0: address to copy is 1060
 run/0: product 0 is 1060
 mem/0: storing 1060 in location 1033
 run/0: instruction init-buffer/3
+run/0: {name: "len", value: 2, type: 2-1, properties: ["len": "address":"integer", "deref": ]} <- copy {name: "0", value: 0, type: 0, properties: ["0": "literal"]}
 run/0: ingredient 0 is 0
 mem/0: location 1033 is 1060
 mem/0: storing 0 in location 1060
 run/0: instruction init-buffer/4
+run/0: {name: "s", value: 3, type: 2-2-5-4, properties: ["s": "address":"address":"array":"character"]} <- get-address {name: "result", value: 1, type: 2-9, properties: ["result": "address":"buffer", "deref": ]}, {name: "data", value: 1, type: 0, properties: ["data": "offset"]}
 run/0: ingredient 0 is result
 mem/0: location 1032 is 1060
 run/0: ingredient 1 is data
@@ -61,32 +74,39 @@ run/0: address to copy is 1061
 run/0: product 0 is 1061
 mem/0: storing 1061 in location 1034
 run/0: instruction init-buffer/5
+run/0: {name: "capacity", value: 4, type: 1, properties: ["capacity": "integer"]} <- next-ingredient 
 run/0: product 0 is 30
 mem/0: storing 30 in location 1035
 run/0: instruction init-buffer/6
+run/0: {name: "s", value: 3, type: 2-2-5-4, properties: ["s": "address":"address":"array":"character", "deref": ]} <- new {name: "character", value: 4, type: 0, properties: ["character": "type"]}, {name: "capacity", value: 4, type: 1, properties: ["capacity": "integer"]}
 mem/0: location 1035 is 30
 mem/0: array size is 30
 mem/0: new alloc: 1062
 mem/0: location 1034 is 1061
 mem/0: storing 1062 in location 1061
 run/0: instruction init-buffer/7
+run/0: reply {name: "result", value: 1, type: 2-9, properties: ["result": "address":"buffer"]}
 mem/0: location 1032 is 1060
 run/0: result 0 is 1060
 mem/0: storing 1060 in location 1006
 run/0: instruction integer-to-decimal-string/15
+run/0: {name: "digit-base", value: 6, type: 1, properties: ["digit-base": "integer"]} <- copy {name: "48", value: 48, type: 0, properties: ["48": "literal"]}
 run/0: ingredient 0 is 48
 mem/0: storing 48 in location 1007
 run/0: instruction integer-to-decimal-string/17
+run/0: {name: "done?", value: 7, type: 3, properties: ["done?": "boolean"]} <- equal {name: "n", value: 1, type: 1, properties: ["n": "integer"]}, {name: "0", value: 0, type: 0, properties: ["0": "literal"]}
 run/0: ingredient 0 is n
 mem/0: location 1002 is 234
 run/0: ingredient 1 is 0
 run/0: product 0 is 0
 mem/0: storing 0 in location 1008
 run/0: instruction integer-to-decimal-string/18
+run/0: break-if {name: "done?", value: 7, type: 3, properties: ["done?": "boolean"]}, {name: "", value: 4, type: , properties: ["": ]}
 mem/0: location 1008 is 0
 run/0: ingredient 0 is 0
 run/0: jump-if fell through
 run/0: instruction integer-to-decimal-string/19
+run/0: {name: "n", value: 1, type: 1, properties: ["n": "integer"]}, {name: "digit", value: 8, type: 1, properties: ["digit": "integer"]} <- divide-with-remainder {name: "n", value: 1, type: 1, properties: ["n": "integer"]}, {name: "10", value: 10, type: 0, properties: ["10": "literal"]}
 run/0: ingredient 0 is n
 mem/0: location 1002 is 234
 run/0: ingredient 1 is 10
@@ -95,6 +115,7 @@ mem/0: storing 23 in location 1002
 run/0: product 1 is 4
 mem/0: storing 4 in location 1009
 run/0: instruction integer-to-decimal-string/20
+run/0: {name: "c", value: 9, type: 4, properties: ["c": "character"]} <- add {name: "digit-base", value: 6, type: 1, properties: ["digit-base": "integer"]}, {name: "digit", value: 8, type: 1, properties: ["digit": "integer"]}
 run/0: ingredient 0 is digit-base
 mem/0: location 1007 is 48
 run/0: ingredient 1 is digit
@@ -102,26 +123,34 @@ mem/0: location 1009 is 4
 run/0: product 0 is 52
 mem/0: storing 52 in location 1010
 run/0: instruction integer-to-decimal-string/21
+run/0: {name: "tmp", value: 5, type: 2-9, properties: ["tmp": "address":"buffer"]} <- buffer-append {name: "tmp", value: 5, type: 2-9, properties: ["tmp": "address":"buffer"]}, {name: "c", value: 9, type: 4, properties: ["c": "character"]}
 mem/0: location 1006 is 1060
 mem/0: location 1010 is 52
 run/0: instruction buffer-append/0
+run/0: {name: "default-space", value: 0, type: 2-5-1, properties: ["default-space": "address":"array":"location"]} <- new {name: "location", value: 1, type: 0, properties: ["location": "type"]}, {name: "30", value: 30, type: 0, properties: ["30": "literal"]}
 mem/0: array size is 30
 mem/0: new alloc: 1092
 run/0: instruction buffer-append/1
+run/0: {name: "in", value: 1, type: 2-9, properties: ["in": "address":"buffer"]} <- next-ingredient 
 run/0: product 0 is 1060
 mem/0: storing 1060 in location 1094
 run/0: instruction buffer-append/2
+run/0: {name: "c", value: 2, type: 4, properties: ["c": "character"]} <- next-ingredient 
 run/0: product 0 is 52
 mem/0: storing 52 in location 1095
 run/0: instruction buffer-append/4
+run/0: {name: "full?", value: 3, type: 3, properties: ["full?": "boolean"]} <- buffer-full? {name: "in", value: 1, type: 2-9, properties: ["in": "address":"buffer"]}
 mem/0: location 1094 is 1060
 run/0: instruction buffer-full?/0
+run/0: {name: "default-space", value: 0, type: 2-5-1, properties: ["default-space": "address":"array":"location"]} <- new {name: "location", value: 1, type: 0, properties: ["location": "type"]}, {name: "30", value: 30, type: 0, properties: ["30": "literal"]}
 mem/0: array size is 30
 mem/0: new alloc: 1122
 run/0: instruction buffer-full?/1
+run/0: {name: "in", value: 1, type: 2-9, properties: ["in": "address":"buffer"]} <- next-ingredient 
 run/0: product 0 is 1060
 mem/0: storing 1060 in location 1124
 run/0: instruction buffer-full?/2
+run/0: {name: "len", value: 2, type: 1, properties: ["len": "integer"]} <- get {name: "in", value: 1, type: 2-9, properties: ["in": "address":"buffer", "deref": ]}, {name: "length", value: 0, type: 0, properties: ["length": "offset"]}
 run/0: ingredient 0 is in
 mem/0: location 1124 is 1060
 run/0: ingredient 1 is length
@@ -131,6 +160,7 @@ mem/0: location 1060 is 0
 run/0: product 0 is 0
 mem/0: storing 0 in location 1125
 run/0: instruction buffer-full?/3
+run/0: {name: "s", value: 3, type: 2-5-4, properties: ["s": "address":"array":"character"]} <- get {name: "in", value: 1, type: 2-9, properties: ["in": "address":"buffer", "deref": ]}, {name: "data", value: 1, type: 0, properties: ["data": "offset"]}
 run/0: ingredient 0 is in
 mem/0: location 1124 is 1060
 run/0: ingredient 1 is data
@@ -140,9 +170,11 @@ mem/0: location 1061 is 1062
 run/0: product 0 is 1062
 mem/0: storing 1062 in location 1126
 run/0: instruction buffer-full?/4
+run/0: {name: "capacity", value: 4, type: 1, properties: ["capacity": "integer"]} <- length {name: "s", value: 3, type: 2-5-4, properties: ["s": "address":"array":"character", "deref": ]}
 mem/0: location 1126 is 1062
 mem/0: storing 30 in location 1127
 run/0: instruction buffer-full?/5
+run/0: {name: "result", value: 5, type: 3, properties: ["result": "boolean"]} <- greater-or-equal {name: "len", value: 2, type: 1, properties: ["len": "integer"]}, {name: "capacity", value: 4, type: 1, properties: ["capacity": "integer"]}
 run/0: ingredient 0 is len
 mem/0: location 1125 is 0
 run/0: ingredient 1 is capacity
@@ -150,15 +182,18 @@ mem/0: location 1127 is 30
 run/0: product 0 is 0
 mem/0: storing 0 in location 1128
 run/0: instruction buffer-full?/6
+run/0: reply {name: "result", value: 5, type: 3, properties: ["result": "boolean"]}
 mem/0: location 1128 is 0
 run/0: result 0 is 0
 mem/0: storing 0 in location 1096
 run/0: instruction buffer-append/5
+run/0: break-unless {name: "full?", value: 3, type: 3, properties: ["full?": "boolean"]}, {name: "", value: 1, type: , properties: ["": ]}
 mem/0: location 1096 is 0
 run/0: ingredient 0 is 0
 run/0: ingredient 1 is 
 run/0: jumping to instruction 7
 run/0: instruction buffer-append/8
+run/0: {name: "len", value: 4, type: 2-1, properties: ["len": "address":"integer"]} <- get-address {name: "in", value: 1, type: 2-9, properties: ["in": "address":"buffer", "deref": ]}, {name: "length", value: 0, type: 0, properties: ["length": "offset"]}
 run/0: ingredient 0 is in
 mem/0: location 1094 is 1060
 run/0: ingredient 1 is length
@@ -166,6 +201,7 @@ run/0: address to copy is 1060
 run/0: product 0 is 1060
 mem/0: storing 1060 in location 1097
 run/0: instruction buffer-append/9
+run/0: {name: "s", value: 5, type: 2-5-4, properties: ["s": "address":"array":"character"]} <- get {name: "in", value: 1, type: 2-9, properties: ["in": "address":"buffer", "deref": ]}, {name: "data", value: 1, type: 0, properties: ["data": "offset"]}
 run/0: ingredient 0 is in
 mem/0: location 1094 is 1060
 run/0: ingredient 1 is data
@@ -175,6 +211,7 @@ mem/0: location 1061 is 1062
 run/0: product 0 is 1062
 mem/0: storing 1062 in location 1098
 run/0: instruction buffer-append/10
+run/0: {name: "dest", value: 6, type: 2-4, properties: ["dest": "address":"character"]} <- index-address {name: "s", value: 5, type: 2-5-4, properties: ["s": "address":"array":"character", "deref": ]}, {name: "len", value: 4, type: 2-1, properties: ["len": "address":"integer", "deref": ]}
 run/0: ingredient 0 is s
 mem/0: location 1098 is 1062
 run/0: ingredient 1 is {name: "len", value: 4, type: 2-1, properties: ["len": "address":"integer", "deref": ]}
@@ -184,11 +221,13 @@ run/0: address to copy is 1063
 run/0: product 0 is 1063
 mem/0: storing 1063 in location 1099
 run/0: instruction buffer-append/11
+run/0: {name: "dest", value: 6, type: 2-4, properties: ["dest": "address":"character", "deref": ]} <- copy {name: "c", value: 2, type: 4, properties: ["c": "character"]}
 run/0: ingredient 0 is c
 mem/0: location 1095 is 52
 mem/0: location 1099 is 1063
 mem/0: storing 52 in location 1063
 run/0: instruction buffer-append/12
+run/0: {name: "len", value: 4, type: 2-1, properties: ["len": "address":"integer", "deref": ]} <- add {name: "len", value: 4, type: 2-1, properties: ["len": "address":"integer", "deref": ]}, {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: ingredient 0 is len
 mem/0: location 1097 is 1060
 mem/0: location 1060 is 0
@@ -197,23 +236,28 @@ run/0: product 0 is 1
 mem/0: location 1097 is 1060
 mem/0: storing 1 in location 1060
 run/0: instruction buffer-append/13
+run/0: reply {name: "in", value: 1, type: 2-9, properties: ["in": "address":"buffer", "same-as-ingredient": "0"]}
 mem/0: location 1094 is 1060
 run/0: result 0 is 1060
 mem/0: storing 1060 in location 1006
 run/0: instruction integer-to-decimal-string/22
+run/0: loop {name: "", value: -6, type: , properties: ["": ]}
 run/0: ingredient 0 is -6
 run/0: jumping to instruction 17
 run/0: instruction integer-to-decimal-string/17
+run/0: {name: "done?", value: 7, type: 3, properties: ["done?": "boolean"]} <- equal {name: "n", value: 1, type: 1, properties: ["n": "integer"]}, {name: "0", value: 0, type: 0, properties: ["0": "literal"]}
 run/0: ingredient 0 is n
 mem/0: location 1002 is 23
 run/0: ingredient 1 is 0
 run/0: product 0 is 0
 mem/0: storing 0 in location 1008
 run/0: instruction integer-to-decimal-string/18
+run/0: break-if {name: "done?", value: 7, type: 3, properties: ["done?": "boolean"]}, {name: "", value: 4, type: , properties: ["": ]}
 mem/0: location 1008 is 0
 run/0: ingredient 0 is 0
 run/0: jump-if fell through
 run/0: instruction integer-to-decimal-string/19
+run/0: {name: "n", value: 1, type: 1, properties: ["n": "integer"]}, {name: "digit", value: 8, type: 1, properties: ["digit": "integer"]} <- divide-with-remainder {name: "n", value: 1, type: 1, properties: ["n": "integer"]}, {name: "10", value: 10, type: 0, properties: ["10": "literal"]}
 run/0: ingredient 0 is n
 mem/0: location 1002 is 23
 run/0: ingredient 1 is 10
@@ -222,6 +266,7 @@ mem/0: storing 2 in location 1002
 run/0: product 1 is 3
 mem/0: storing 3 in location 1009
 run/0: instruction integer-to-decimal-string/20
+run/0: {name: "c", value: 9, type: 4, properties: ["c": "character"]} <- add {name: "digit-base", value: 6, type: 1, properties: ["digit-base": "integer"]}, {name: "digit", value: 8, type: 1, properties: ["digit": "integer"]}
 run/0: ingredient 0 is digit-base
 mem/0: location 1007 is 48
 run/0: ingredient 1 is digit
@@ -229,26 +274,34 @@ mem/0: location 1009 is 3
 run/0: product 0 is 51
 mem/0: storing 51 in location 1010
 run/0: instruction integer-to-decimal-string/21
+run/0: {name: "tmp", value: 5, type: 2-9, properties: ["tmp": "address":"buffer"]} <- buffer-append {name: "tmp", value: 5, type: 2-9, properties: ["tmp": "address":"buffer"]}, {name: "c", value: 9, type: 4, properties: ["c": "character"]}
 mem/0: location 1006 is 1060
 mem/0: location 1010 is 51
 run/0: instruction buffer-append/0
+run/0: {name: "default-space", value: 0, type: 2-5-1, properties: ["default-space": "address":"array":"location"]} <- new {name: "location", value: 1, type: 0, properties: ["location": "type"]}, {name: "30", value: 30, type: 0, properties: ["30": "literal"]}
 mem/0: array size is 30
 mem/0: new alloc: 1152
 run/0: instruction buffer-append/1
+run/0: {name: "in", value: 1, type: 2-9, properties: ["in": "address":"buffer"]} <- next-ingredient 
 run/0: product 0 is 1060
 mem/0: storing 1060 in location 1154
 run/0: instruction buffer-append/2
+run/0: {name: "c", value: 2, type: 4, properties: ["c": "character"]} <- next-ingredient 
 run/0: product 0 is 51
 mem/0: storing 51 in location 1155
 run/0: instruction buffer-append/4
+run/0: {name: "full?", value: 3, type: 3, properties: ["full?": "boolean"]} <- buffer-full? {name: "in", value: 1, type: 2-9, properties: ["in": "address":"buffer"]}
 mem/0: location 1154 is 1060
 run/0: instruction buffer-full?/0
+run/0: {name: "default-space", value: 0, type: 2-5-1, properties: ["default-space": "address":"array":"location"]} <- new {name: "location", value: 1, type: 0, properties: ["location": "type"]}, {name: "30", value: 30, type: 0, properties: ["30": "literal"]}
 mem/0: array size is 30
 mem/0: new alloc: 1182
 run/0: instruction buffer-full?/1
+run/0: {name: "in", value: 1, type: 2-9, properties: ["in": "address":"buffer"]} <- next-ingredient 
 run/0: product 0 is 1060
 mem/0: storing 1060 in location 1184
 run/0: instruction buffer-full?/2
+run/0: {name: "len", value: 2, type: 1, properties: ["len": "integer"]} <- get {name: "in", value: 1, type: 2-9, properties: ["in": "address":"buffer", "deref": ]}, {name: "length", value: 0, type: 0, properties: ["length": "offset"]}
 run/0: ingredient 0 is in
 mem/0: location 1184 is 1060
 run/0: ingredient 1 is length
@@ -258,6 +311,7 @@ mem/0: location 1060 is 1
 run/0: product 0 is 1
 mem/0: storing 1 in location 1185
 run/0: instruction buffer-full?/3
+run/0: {name: "s", value: 3, type: 2-5-4, properties: ["s": "address":"array":"character"]} <- get {name: "in", value: 1, type: 2-9, properties: ["in": "address":"buffer", "deref": ]}, {name: "data", value: 1, type: 0, properties: ["data": "offset"]}
 run/0: ingredient 0 is in
 mem/0: location 1184 is 1060
 run/0: ingredient 1 is data
@@ -267,9 +321,11 @@ mem/0: location 1061 is 1062
 run/0: product 0 is 1062
 mem/0: storing 1062 in location 1186
 run/0: instruction buffer-full?/4
+run/0: {name: "capacity", value: 4, type: 1, properties: ["capacity": "integer"]} <- length {name: "s", value: 3, type: 2-5-4, properties: ["s": "address":"array":"character", "deref": ]}
 mem/0: location 1186 is 1062
 mem/0: storing 30 in location 1187
 run/0: instruction buffer-full?/5
+run/0: {name: "result", value: 5, type: 3, properties: ["result": "boolean"]} <- greater-or-equal {name: "len", value: 2, type: 1, properties: ["len": "integer"]}, {name: "capacity", value: 4, type: 1, properties: ["capacity": "integer"]}
 run/0: ingredient 0 is len
 mem/0: location 1185 is 1
 run/0: ingredient 1 is capacity
@@ -277,15 +333,18 @@ mem/0: location 1187 is 30
 run/0: product 0 is 0
 mem/0: storing 0 in location 1188
 run/0: instruction buffer-full?/6
+run/0: reply {name: "result", value: 5, type: 3, properties: ["result": "boolean"]}
 mem/0: location 1188 is 0
 run/0: result 0 is 0
 mem/0: storing 0 in location 1156
 run/0: instruction buffer-append/5
+run/0: break-unless {name: "full?", value: 3, type: 3, properties: ["full?": "boolean"]}, {name: "", value: 1, type: , properties: ["": ]}
 mem/0: location 1156 is 0
 run/0: ingredient 0 is 0
 run/0: ingredient 1 is 
 run/0: jumping to instruction 7
 run/0: instruction buffer-append/8
+run/0: {name: "len", value: 4, type: 2-1, properties: ["len": "address":"integer"]} <- get-address {name: "in", value: 1, type: 2-9, properties: ["in": "address":"buffer", "deref": ]}, {name: "length", value: 0, type: 0, properties: ["length": "offset"]}
 run/0: ingredient 0 is in
 mem/0: location 1154 is 1060
 run/0: ingredient 1 is length
@@ -293,6 +352,7 @@ run/0: address to copy is 1060
 run/0: product 0 is 1060
 mem/0: storing 1060 in location 1157
 run/0: instruction buffer-append/9
+run/0: {name: "s", value: 5, type: 2-5-4, properties: ["s": "address":"array":"character"]} <- get {name: "in", value: 1, type: 2-9, properties: ["in": "address":"buffer", "deref": ]}, {name: "data", value: 1, type: 0, properties: ["data": "offset"]}
 run/0: ingredient 0 is in
 mem/0: location 1154 is 1060
 run/0: ingredient 1 is data
@@ -302,6 +362,7 @@ mem/0: location 1061 is 1062
 run/0: product 0 is 1062
 mem/0: storing 1062 in location 1158
 run/0: instruction buffer-append/10
+run/0: {name: "dest", value: 6, type: 2-4, properties: ["dest": "address":"character"]} <- index-address {name: "s", value: 5, type: 2-5-4, properties: ["s": "address":"array":"character", "deref": ]}, {name: "len", value: 4, type: 2-1, properties: ["len": "address":"integer", "deref": ]}
 run/0: ingredient 0 is s
 mem/0: location 1158 is 1062
 run/0: ingredient 1 is {name: "len", value: 4, type: 2-1, properties: ["len": "address":"integer", "deref": ]}
@@ -311,11 +372,13 @@ run/0: address to copy is 1064
 run/0: product 0 is 1064
 mem/0: storing 1064 in location 1159
 run/0: instruction buffer-append/11
+run/0: {name: "dest", value: 6, type: 2-4, properties: ["dest": "address":"character", "deref": ]} <- copy {name: "c", value: 2, type: 4, properties: ["c": "character"]}
 run/0: ingredient 0 is c
 mem/0: location 1155 is 51
 mem/0: location 1159 is 1064
 mem/0: storing 51 in location 1064
 run/0: instruction buffer-append/12
+run/0: {name: "len", value: 4, type: 2-1, properties: ["len": "address":"integer", "deref": ]} <- add {name: "len", value: 4, type: 2-1, properties: ["len": "address":"integer", "deref": ]}, {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: ingredient 0 is len
 mem/0: location 1157 is 1060
 mem/0: location 1060 is 1
@@ -324,23 +387,28 @@ run/0: product 0 is 2
 mem/0: location 1157 is 1060
 mem/0: storing 2 in location 1060
 run/0: instruction buffer-append/13
+run/0: reply {name: "in", value: 1, type: 2-9, properties: ["in": "address":"buffer", "same-as-ingredient": "0"]}
 mem/0: location 1154 is 1060
 run/0: result 0 is 1060
 mem/0: storing 1060 in location 1006
 run/0: instruction integer-to-decimal-string/22
+run/0: loop {name: "", value: -6, type: , properties: ["": ]}
 run/0: ingredient 0 is -6
 run/0: jumping to instruction 17
 run/0: instruction integer-to-decimal-string/17
+run/0: {name: "done?", value: 7, type: 3, properties: ["done?": "boolean"]} <- equal {name: "n", value: 1, type: 1, properties: ["n": "integer"]}, {name: "0", value: 0, type: 0, properties: ["0": "literal"]}
 run/0: ingredient 0 is n
 mem/0: location 1002 is 2
 run/0: ingredient 1 is 0
 run/0: product 0 is 0
 mem/0: storing 0 in location 1008
 run/0: instruction integer-to-decimal-string/18
+run/0: break-if {name: "done?", value: 7, type: 3, properties: ["done?": "boolean"]}, {name: "", value: 4, type: , properties: ["": ]}
 mem/0: location 1008 is 0
 run/0: ingredient 0 is 0
 run/0: jump-if fell through
 run/0: instruction integer-to-decimal-string/19
+run/0: {name: "n", value: 1, type: 1, properties: ["n": "integer"]}, {name: "digit", value: 8, type: 1, properties: ["digit": "integer"]} <- divide-with-remainder {name: "n", value: 1, type: 1, properties: ["n": "integer"]}, {name: "10", value: 10, type: 0, properties: ["10": "literal"]}
 run/0: ingredient 0 is n
 mem/0: location 1002 is 2
 run/0: ingredient 1 is 10
@@ -349,6 +417,7 @@ mem/0: storing 0 in location 1002
 run/0: product 1 is 2
 mem/0: storing 2 in location 1009
 run/0: instruction integer-to-decimal-string/20
+run/0: {name: "c", value: 9, type: 4, properties: ["c": "character"]} <- add {name: "digit-base", value: 6, type: 1, properties: ["digit-base": "integer"]}, {name: "digit", value: 8, type: 1, properties: ["digit": "integer"]}
 run/0: ingredient 0 is digit-base
 mem/0: location 1007 is 48
 run/0: ingredient 1 is digit
@@ -356,26 +425,34 @@ mem/0: location 1009 is 2
 run/0: product 0 is 50
 mem/0: storing 50 in location 1010
 run/0: instruction integer-to-decimal-string/21
+run/0: {name: "tmp", value: 5, type: 2-9, properties: ["tmp": "address":"buffer"]} <- buffer-append {name: "tmp", value: 5, type: 2-9, properties: ["tmp": "address":"buffer"]}, {name: "c", value: 9, type: 4, properties: ["c": "character"]}
 mem/0: location 1006 is 1060
 mem/0: location 1010 is 50
 run/0: instruction buffer-append/0
+run/0: {name: "default-space", value: 0, type: 2-5-1, properties: ["default-space": "address":"array":"location"]} <- new {name: "location", value: 1, type: 0, properties: ["location": "type"]}, {name: "30", value: 30, type: 0, properties: ["30": "literal"]}
 mem/0: array size is 30
 mem/0: new alloc: 1212
 run/0: instruction buffer-append/1
+run/0: {name: "in", value: 1, type: 2-9, properties: ["in": "address":"buffer"]} <- next-ingredient 
 run/0: product 0 is 1060
 mem/0: storing 1060 in location 1214
 run/0: instruction buffer-append/2
+run/0: {name: "c", value: 2, type: 4, properties: ["c": "character"]} <- next-ingredient 
 run/0: product 0 is 50
 mem/0: storing 50 in location 1215
 run/0: instruction buffer-append/4
+run/0: {name: "full?", value: 3, type: 3, properties: ["full?": "boolean"]} <- buffer-full? {name: "in", value: 1, type: 2-9, properties: ["in": "address":"buffer"]}
 mem/0: location 1214 is 1060
 run/0: instruction buffer-full?/0
+run/0: {name: "default-space", value: 0, type: 2-5-1, properties: ["default-space": "address":"array":"location"]} <- new {name: "location", value: 1, type: 0, properties: ["location": "type"]}, {name: "30", value: 30, type: 0, properties: ["30": "literal"]}
 mem/0: array size is 30
 mem/0: new alloc: 1242
 run/0: instruction buffer-full?/1
+run/0: {name: "in", value: 1, type: 2-9, properties: ["in": "address":"buffer"]} <- next-ingredient 
 run/0: product 0 is 1060
 mem/0: storing 1060 in location 1244
 run/0: instruction buffer-full?/2
+run/0: {name: "len", value: 2, type: 1, properties: ["len": "integer"]} <- get {name: "in", value: 1, type: 2-9, properties: ["in": "address":"buffer", "deref": ]}, {name: "length", value: 0, type: 0, properties: ["length": "offset"]}
 run/0: ingredient 0 is in
 mem/0: location 1244 is 1060
 run/0: ingredient 1 is length
@@ -385,6 +462,7 @@ mem/0: location 1060 is 2
 run/0: product 0 is 2
 mem/0: storing 2 in location 1245
 run/0: instruction buffer-full?/3
+run/0: {name: "s", value: 3, type: 2-5-4, properties: ["s": "address":"array":"character"]} <- get {name: "in", value: 1, type: 2-9, properties: ["in": "address":"buffer", "deref": ]}, {name: "data", value: 1, type: 0, properties: ["data": "offset"]}
 run/0: ingredient 0 is in
 mem/0: location 1244 is 1060
 run/0: ingredient 1 is data
@@ -394,9 +472,11 @@ mem/0: location 1061 is 1062
 run/0: product 0 is 1062
 mem/0: storing 1062 in location 1246
 run/0: instruction buffer-full?/4
+run/0: {name: "capacity", value: 4, type: 1, properties: ["capacity": "integer"]} <- length {name: "s", value: 3, type: 2-5-4, properties: ["s": "address":"array":"character", "deref": ]}
 mem/0: location 1246 is 1062
 mem/0: storing 30 in location 1247
 run/0: instruction buffer-full?/5
+run/0: {name: "result", value: 5, type: 3, properties: ["result": "boolean"]} <- greater-or-equal {name: "len", value: 2, type: 1, properties: ["len": "integer"]}, {name: "capacity", value: 4, type: 1, properties: ["capacity": "integer"]}
 run/0: ingredient 0 is len
 mem/0: location 1245 is 2
 run/0: ingredient 1 is capacity
@@ -404,15 +484,18 @@ mem/0: location 1247 is 30
 run/0: product 0 is 0
 mem/0: storing 0 in location 1248
 run/0: instruction buffer-full?/6
+run/0: reply {name: "result", value: 5, type: 3, properties: ["result": "boolean"]}
 mem/0: location 1248 is 0
 run/0: result 0 is 0
 mem/0: storing 0 in location 1216
 run/0: instruction buffer-append/5
+run/0: break-unless {name: "full?", value: 3, type: 3, properties: ["full?": "boolean"]}, {name: "", value: 1, type: , properties: ["": ]}
 mem/0: location 1216 is 0
 run/0: ingredient 0 is 0
 run/0: ingredient 1 is 
 run/0: jumping to instruction 7
 run/0: instruction buffer-append/8
+run/0: {name: "len", value: 4, type: 2-1, properties: ["len": "address":"integer"]} <- get-address {name: "in", value: 1, type: 2-9, properties: ["in": "address":"buffer", "deref": ]}, {name: "length", value: 0, type: 0, properties: ["length": "offset"]}
 run/0: ingredient 0 is in
 mem/0: location 1214 is 1060
 run/0: ingredient 1 is length
@@ -420,6 +503,7 @@ run/0: address to copy is 1060
 run/0: product 0 is 1060
 mem/0: storing 1060 in location 1217
 run/0: instruction buffer-append/9
+run/0: {name: "s", value: 5, type: 2-5-4, properties: ["s": "address":"array":"character"]} <- get {name: "in", value: 1, type: 2-9, properties: ["in": "address":"buffer", "deref": ]}, {name: "data", value: 1, type: 0, properties: ["data": "offset"]}
 run/0: ingredient 0 is in
 mem/0: location 1214 is 1060
 run/0: ingredient 1 is data
@@ -429,6 +513,7 @@ mem/0: location 1061 is 1062
 run/0: product 0 is 1062
 mem/0: storing 1062 in location 1218
 run/0: instruction buffer-append/10
+run/0: {name: "dest", value: 6, type: 2-4, properties: ["dest": "address":"character"]} <- index-address {name: "s", value: 5, type: 2-5-4, properties: ["s": "address":"array":"character", "deref": ]}, {name: "len", value: 4, type: 2-1, properties: ["len": "address":"integer", "deref": ]}
 run/0: ingredient 0 is s
 mem/0: location 1218 is 1062
 run/0: ingredient 1 is {name: "len", value: 4, type: 2-1, properties: ["len": "address":"integer", "deref": ]}
@@ -438,11 +523,13 @@ run/0: address to copy is 1065
 run/0: product 0 is 1065
 mem/0: storing 1065 in location 1219
 run/0: instruction buffer-append/11
+run/0: {name: "dest", value: 6, type: 2-4, properties: ["dest": "address":"character", "deref": ]} <- copy {name: "c", value: 2, type: 4, properties: ["c": "character"]}
 run/0: ingredient 0 is c
 mem/0: location 1215 is 50
 mem/0: location 1219 is 1065
 mem/0: storing 50 in location 1065
 run/0: instruction buffer-append/12
+run/0: {name: "len", value: 4, type: 2-1, properties: ["len": "address":"integer", "deref": ]} <- add {name: "len", value: 4, type: 2-1, properties: ["len": "address":"integer", "deref": ]}, {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: ingredient 0 is len
 mem/0: location 1217 is 1060
 mem/0: location 1060 is 2
@@ -451,29 +538,35 @@ run/0: product 0 is 3
 mem/0: location 1217 is 1060
 mem/0: storing 3 in location 1060
 run/0: instruction buffer-append/13
+run/0: reply {name: "in", value: 1, type: 2-9, properties: ["in": "address":"buffer", "same-as-ingredient": "0"]}
 mem/0: location 1214 is 1060
 run/0: result 0 is 1060
 mem/0: storing 1060 in location 1006
 run/0: instruction integer-to-decimal-string/22
+run/0: loop {name: "", value: -6, type: , properties: ["": ]}
 run/0: ingredient 0 is -6
 run/0: jumping to instruction 17
 run/0: instruction integer-to-decimal-string/17
+run/0: {name: "done?", value: 7, type: 3, properties: ["done?": "boolean"]} <- equal {name: "n", value: 1, type: 1, properties: ["n": "integer"]}, {name: "0", value: 0, type: 0, properties: ["0": "literal"]}
 run/0: ingredient 0 is n
 mem/0: location 1002 is 0
 run/0: ingredient 1 is 0
 run/0: product 0 is 1
 mem/0: storing 1 in location 1008
 run/0: instruction integer-to-decimal-string/18
+run/0: break-if {name: "done?", value: 7, type: 3, properties: ["done?": "boolean"]}, {name: "", value: 4, type: , properties: ["": ]}
 mem/0: location 1008 is 1
 run/0: ingredient 0 is 1
 run/0: ingredient 1 is 
 run/0: jumping to instruction 23
 run/0: instruction integer-to-decimal-string/25
+run/0: break-unless {name: "negate-result", value: 3, type: 3, properties: ["negate-result": "boolean"]}, {name: "", value: 1, type: , properties: ["": ]}
 mem/0: location 1004 is 0
 run/0: ingredient 0 is 0
 run/0: ingredient 1 is 
 run/0: jumping to instruction 27
 run/0: instruction integer-to-decimal-string/28
+run/0: {name: "len", value: 10, type: 1, properties: ["len": "integer"]} <- get {name: "tmp", value: 5, type: 2-9, properties: ["tmp": "address":"buffer", "deref": ]}, {name: "length", value: 0, type: 0, properties: ["length": "offset"]}
 run/0: ingredient 0 is tmp
 mem/0: location 1006 is 1060
 run/0: ingredient 1 is length
@@ -483,6 +576,7 @@ mem/0: location 1060 is 3
 run/0: product 0 is 3
 mem/0: storing 3 in location 1011
 run/0: instruction integer-to-decimal-string/29
+run/0: {name: "buf", value: 11, type: 2-5-4, properties: ["buf": "address":"array":"character"]} <- get {name: "tmp", value: 5, type: 2-9, properties: ["tmp": "address":"buffer", "deref": ]}, {name: "data", value: 1, type: 0, properties: ["data": "offset"]}
 run/0: ingredient 0 is tmp
 mem/0: location 1006 is 1060
 run/0: ingredient 1 is data
@@ -492,30 +586,36 @@ mem/0: location 1061 is 1062
 run/0: product 0 is 1062
 mem/0: storing 1062 in location 1012
 run/0: instruction integer-to-decimal-string/30
+run/0: {name: "result", value: 2, type: 2-5-4, properties: ["result": "address":"array":"character"]} <- new {name: "character", value: 4, type: 0, properties: ["character": "type"]}, {name: "len", value: 10, type: 1, properties: ["len": "integer"]}
 mem/0: location 1011 is 3
 mem/0: array size is 3
 mem/0: new alloc: 1272
 mem/0: storing 1272 in location 1003
 run/0: instruction integer-to-decimal-string/31
+run/0: {name: "i", value: 12, type: 1, properties: ["i": "integer"]} <- subtract {name: "len", value: 10, type: 1, properties: ["len": "integer"]}, {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: ingredient 0 is len
 mem/0: location 1011 is 3
 run/0: ingredient 1 is 1
 run/0: product 0 is 2
 mem/0: storing 2 in location 1013
 run/0: instruction integer-to-decimal-string/32
+run/0: {name: "j", value: 13, type: 1, properties: ["j": "integer"]} <- copy {name: "0", value: 0, type: 0, properties: ["0": "literal"]}
 run/0: ingredient 0 is 0
 mem/0: storing 0 in location 1014
 run/0: instruction integer-to-decimal-string/34
+run/0: {name: "done?", value: 7, type: 3, properties: ["done?": "boolean"]} <- lesser-than {name: "i", value: 12, type: 1, properties: ["i": "integer"]}, {name: "0", value: 0, type: 0, properties: ["0": "literal"]}
 run/0: ingredient 0 is i
 mem/0: location 1013 is 2
 run/0: ingredient 1 is 0
 run/0: product 0 is 0
 mem/0: storing 0 in location 1008
 run/0: instruction integer-to-decimal-string/35
+run/0: break-if {name: "done?", value: 7, type: 3, properties: ["done?": "boolean"]}, {name: "", value: 6, type: , properties: ["": ]}
 mem/0: location 1008 is 0
 run/0: ingredient 0 is 0
 run/0: jump-if fell through
 run/0: instruction integer-to-decimal-string/36
+run/0: {name: "src", value: 14, type: 4, properties: ["src": "character"]} <- index {name: "buf", value: 11, type: 2-5-4, properties: ["buf": "address":"array":"character", "deref": ]}, {name: "i", value: 12, type: 1, properties: ["i": "integer"]}
 run/0: ingredient 0 is {name: "buf", value: 11, type: 2-5-4, properties: ["buf": "address":"array":"character", "deref": ]}
 mem/0: location 1012 is 1062
 run/0: ingredient 1 is {name: "i", value: 12, type: 1, properties: ["i": "integer"]}
@@ -526,6 +626,7 @@ mem/0: location 1065 is 50
 run/0: product 0 is 50
 mem/0: storing 50 in location 1015
 run/0: instruction integer-to-decimal-string/37
+run/0: {name: "dest", value: 15, type: 2-4, properties: ["dest": "address":"character"]} <- index-address {name: "result", value: 2, type: 2-5-4, properties: ["result": "address":"array":"character", "deref": ]}, {name: "j", value: 13, type: 1, properties: ["j": "integer"]}
 run/0: ingredient 0 is result
 mem/0: location 1003 is 1272
 run/0: ingredient 1 is {name: "j", value: 13, type: 1, properties: ["j": "integer"]}
@@ -534,36 +635,43 @@ run/0: address to copy is 1273
 run/0: product 0 is 1273
 mem/0: storing 1273 in location 1016
 run/0: instruction integer-to-decimal-string/38
+run/0: {name: "dest", value: 15, type: 2-4, properties: ["dest": "address":"character", "deref": ]} <- copy {name: "src", value: 14, type: 4, properties: ["src": "character"]}
 run/0: ingredient 0 is src
 mem/0: location 1015 is 50
 mem/0: location 1016 is 1273
 mem/0: storing 50 in location 1273
 run/0: instruction integer-to-decimal-string/39
+run/0: {name: "i", value: 12, type: 1, properties: ["i": "integer"]} <- subtract {name: "i", value: 12, type: 1, properties: ["i": "integer"]}, {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: ingredient 0 is i
 mem/0: location 1013 is 2
 run/0: ingredient 1 is 1
 run/0: product 0 is 1
 mem/0: storing 1 in location 1013
 run/0: instruction integer-to-decimal-string/40
+run/0: {name: "j", value: 13, type: 1, properties: ["j": "integer"]} <- add {name: "j", value: 13, type: 1, properties: ["j": "integer"]}, {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: ingredient 0 is j
 mem/0: location 1014 is 0
 run/0: ingredient 1 is 1
 run/0: product 0 is 1
 mem/0: storing 1 in location 1014
 run/0: instruction integer-to-decimal-string/41
+run/0: loop {name: "", value: -8, type: , properties: ["": ]}
 run/0: ingredient 0 is -8
 run/0: jumping to instruction 34
 run/0: instruction integer-to-decimal-string/34
+run/0: {name: "done?", value: 7, type: 3, properties: ["done?": "boolean"]} <- lesser-than {name: "i", value: 12, type: 1, properties: ["i": "integer"]}, {name: "0", value: 0, type: 0, properties: ["0": "literal"]}
 run/0: ingredient 0 is i
 mem/0: location 1013 is 1
 run/0: ingredient 1 is 0
 run/0: product 0 is 0
 mem/0: storing 0 in location 1008
 run/0: instruction integer-to-decimal-string/35
+run/0: break-if {name: "done?", value: 7, type: 3, properties: ["done?": "boolean"]}, {name: "", value: 6, type: , properties: ["": ]}
 mem/0: location 1008 is 0
 run/0: ingredient 0 is 0
 run/0: jump-if fell through
 run/0: instruction integer-to-decimal-string/36
+run/0: {name: "src", value: 14, type: 4, properties: ["src": "character"]} <- index {name: "buf", value: 11, type: 2-5-4, properties: ["buf": "address":"array":"character", "deref": ]}, {name: "i", value: 12, type: 1, properties: ["i": "integer"]}
 run/0: ingredient 0 is {name: "buf", value: 11, type: 2-5-4, properties: ["buf": "address":"array":"character", "deref": ]}
 mem/0: location 1012 is 1062
 run/0: ingredient 1 is {name: "i", value: 12, type: 1, properties: ["i": "integer"]}
@@ -574,6 +682,7 @@ mem/0: location 1064 is 51
 run/0: product 0 is 51
 mem/0: storing 51 in location 1015
 run/0: instruction integer-to-decimal-string/37
+run/0: {name: "dest", value: 15, type: 2-4, properties: ["dest": "address":"character"]} <- index-address {name: "result", value: 2, type: 2-5-4, properties: ["result": "address":"array":"character", "deref": ]}, {name: "j", value: 13, type: 1, properties: ["j": "integer"]}
 run/0: ingredient 0 is result
 mem/0: location 1003 is 1272
 run/0: ingredient 1 is {name: "j", value: 13, type: 1, properties: ["j": "integer"]}
@@ -582,36 +691,43 @@ run/0: address to copy is 1274
 run/0: product 0 is 1274
 mem/0: storing 1274 in location 1016
 run/0: instruction integer-to-decimal-string/38
+run/0: {name: "dest", value: 15, type: 2-4, properties: ["dest": "address":"character", "deref": ]} <- copy {name: "src", value: 14, type: 4, properties: ["src": "character"]}
 run/0: ingredient 0 is src
 mem/0: location 1015 is 51
 mem/0: location 1016 is 1274
 mem/0: storing 51 in location 1274
 run/0: instruction integer-to-decimal-string/39
+run/0: {name: "i", value: 12, type: 1, properties: ["i": "integer"]} <- subtract {name: "i", value: 12, type: 1, properties: ["i": "integer"]}, {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: ingredient 0 is i
 mem/0: location 1013 is 1
 run/0: ingredient 1 is 1
 run/0: product 0 is 0
 mem/0: storing 0 in location 1013
 run/0: instruction integer-to-decimal-string/40
+run/0: {name: "j", value: 13, type: 1, properties: ["j": "integer"]} <- add {name: "j", value: 13, type: 1, properties: ["j": "integer"]}, {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: ingredient 0 is j
 mem/0: location 1014 is 1
 run/0: ingredient 1 is 1
 run/0: product 0 is 2
 mem/0: storing 2 in location 1014
 run/0: instruction integer-to-decimal-string/41
+run/0: loop {name: "", value: -8, type: , properties: ["": ]}
 run/0: ingredient 0 is -8
 run/0: jumping to instruction 34
 run/0: instruction integer-to-decimal-string/34
+run/0: {name: "done?", value: 7, type: 3, properties: ["done?": "boolean"]} <- lesser-than {name: "i", value: 12, type: 1, properties: ["i": "integer"]}, {name: "0", value: 0, type: 0, properties: ["0": "literal"]}
 run/0: ingredient 0 is i
 mem/0: location 1013 is 0
 run/0: ingredient 1 is 0
 run/0: product 0 is 0
 mem/0: storing 0 in location 1008
 run/0: instruction integer-to-decimal-string/35
+run/0: break-if {name: "done?", value: 7, type: 3, properties: ["done?": "boolean"]}, {name: "", value: 6, type: , properties: ["": ]}
 mem/0: location 1008 is 0
 run/0: ingredient 0 is 0
 run/0: jump-if fell through
 run/0: instruction integer-to-decimal-string/36
+run/0: {name: "src", value: 14, type: 4, properties: ["src": "character"]} <- index {name: "buf", value: 11, type: 2-5-4, properties: ["buf": "address":"array":"character", "deref": ]}, {name: "i", value: 12, type: 1, properties: ["i": "integer"]}
 run/0: ingredient 0 is {name: "buf", value: 11, type: 2-5-4, properties: ["buf": "address":"array":"character", "deref": ]}
 mem/0: location 1012 is 1062
 run/0: ingredient 1 is {name: "i", value: 12, type: 1, properties: ["i": "integer"]}
@@ -622,6 +738,7 @@ mem/0: location 1063 is 52
 run/0: product 0 is 52
 mem/0: storing 52 in location 1015
 run/0: instruction integer-to-decimal-string/37
+run/0: {name: "dest", value: 15, type: 2-4, properties: ["dest": "address":"character"]} <- index-address {name: "result", value: 2, type: 2-5-4, properties: ["result": "address":"array":"character", "deref": ]}, {name: "j", value: 13, type: 1, properties: ["j": "integer"]}
 run/0: ingredient 0 is result
 mem/0: location 1003 is 1272
 run/0: ingredient 1 is {name: "j", value: 13, type: 1, properties: ["j": "integer"]}
@@ -630,41 +747,49 @@ run/0: address to copy is 1275
 run/0: product 0 is 1275
 mem/0: storing 1275 in location 1016
 run/0: instruction integer-to-decimal-string/38
+run/0: {name: "dest", value: 15, type: 2-4, properties: ["dest": "address":"character", "deref": ]} <- copy {name: "src", value: 14, type: 4, properties: ["src": "character"]}
 run/0: ingredient 0 is src
 mem/0: location 1015 is 52
 mem/0: location 1016 is 1275
 mem/0: storing 52 in location 1275
 run/0: instruction integer-to-decimal-string/39
+run/0: {name: "i", value: 12, type: 1, properties: ["i": "integer"]} <- subtract {name: "i", value: 12, type: 1, properties: ["i": "integer"]}, {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: ingredient 0 is i
 mem/0: location 1013 is 0
 run/0: ingredient 1 is 1
 run/0: product 0 is -1
 mem/0: storing -1 in location 1013
 run/0: instruction integer-to-decimal-string/40
+run/0: {name: "j", value: 13, type: 1, properties: ["j": "integer"]} <- add {name: "j", value: 13, type: 1, properties: ["j": "integer"]}, {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: ingredient 0 is j
 mem/0: location 1014 is 2
 run/0: ingredient 1 is 1
 run/0: product 0 is 3
 mem/0: storing 3 in location 1014
 run/0: instruction integer-to-decimal-string/41
+run/0: loop {name: "", value: -8, type: , properties: ["": ]}
 run/0: ingredient 0 is -8
 run/0: jumping to instruction 34
 run/0: instruction integer-to-decimal-string/34
+run/0: {name: "done?", value: 7, type: 3, properties: ["done?": "boolean"]} <- lesser-than {name: "i", value: 12, type: 1, properties: ["i": "integer"]}, {name: "0", value: 0, type: 0, properties: ["0": "literal"]}
 run/0: ingredient 0 is i
 mem/0: location 1013 is -1
 run/0: ingredient 1 is 0
 run/0: product 0 is 1
 mem/0: storing 1 in location 1008
 run/0: instruction integer-to-decimal-string/35
+run/0: break-if {name: "done?", value: 7, type: 3, properties: ["done?": "boolean"]}, {name: "", value: 6, type: , properties: ["": ]}
 mem/0: location 1008 is 1
 run/0: ingredient 0 is 1
 run/0: ingredient 1 is 
 run/0: jumping to instruction 42
 run/0: instruction integer-to-decimal-string/43
+run/0: reply {name: "result", value: 2, type: 2-5-4, properties: ["result": "address":"array":"character"]}
 mem/0: location 1003 is 1272
 run/0: result 0 is 1272
 mem/0: storing 1272 in location 1
 run/0: instruction test-integer-to-decimal-digit-positive/1
+run/0: {name: "2", value: 2, type: 5-4, properties: ["2": "array":"character", "raw": ]} <- copy {name: "1", value: 1, type: 2-5-4, properties: ["1": "address":"array":"character", "deref": , "raw": ]}
 run/0: ingredient 0 is 1
 mem/0: location 1 is 1272
 mem/0: location 1272 is 3
diff --git a/cpp/.traces/integer-to-decimal-digit-zero b/cpp/.traces/integer-to-decimal-digit-zero
index 9d5fb6e3..16b62e31 100644
--- a/cpp/.traces/integer-to-decimal-digit-zero
+++ b/cpp/.traces/integer-to-decimal-digit-zero
@@ -10,23 +10,30 @@ after-brace/0: copy ...
 new/0: routine allocated memory from 1000 to 101000
 schedule/0: test-integer-to-decimal-digit-zero
 run/0: instruction test-integer-to-decimal-digit-zero/0
+run/0: {name: "1", value: 1, type: 2-5-4, properties: ["1": "address":"array":"character", "raw": ]} <- integer-to-decimal-string {name: "0", value: 0, type: 0, properties: ["0": "literal"]}
 run/0: instruction integer-to-decimal-string/0
+run/0: {name: "default-space", value: 0, type: 2-5-1, properties: ["default-space": "address":"array":"location"]} <- new {name: "location", value: 1, type: 0, properties: ["location": "type"]}, {name: "30", value: 30, type: 0, properties: ["30": "literal"]}
 mem/0: array size is 30
 mem/0: new alloc: 1000
 run/0: instruction integer-to-decimal-string/1
+run/0: {name: "n", value: 1, type: 1, properties: ["n": "integer"]} <- next-ingredient 
 run/0: product 0 is 0
 mem/0: storing 0 in location 1002
 run/0: instruction integer-to-decimal-string/3
+run/0: break-if {name: "n", value: 1, type: 1, properties: ["n": "integer"]}, {name: "", value: 2, type: , properties: ["": ]}
 mem/0: location 1002 is 0
 run/0: ingredient 0 is 0
 run/0: jump-if fell through
 run/0: instruction integer-to-decimal-string/4
+run/0: {name: "result", value: 2, type: 2-5-4, properties: ["result": "address":"array":"character"]} <- new {name: "0", value: 0, type: 0, properties: ["0": "literal-string"]}
 mem/0: storing 1030 in location 1003
 run/0: instruction integer-to-decimal-string/5
+run/0: reply {name: "result", value: 2, type: 2-5-4, properties: ["result": "address":"array":"character"]}
 mem/0: location 1003 is 1030
 run/0: result 0 is 1030
 mem/0: storing 1030 in location 1
 run/0: instruction test-integer-to-decimal-digit-zero/1
+run/0: {name: "2", value: 2, type: 5-4, properties: ["2": "array":"character", "raw": ]} <- copy {name: "1", value: 1, type: 2-5-4, properties: ["1": "address":"array":"character", "deref": , "raw": ]}
 run/0: ingredient 0 is 1
 mem/0: location 1 is 1030
 mem/0: location 1030 is 1
diff --git a/cpp/.traces/interpolate-at-end b/cpp/.traces/interpolate-at-end
index b2085a50..2ea86fe0 100644
--- a/cpp/.traces/interpolate-at-end
+++ b/cpp/.traces/interpolate-at-end
@@ -21,37 +21,48 @@ after-brace/0: copy ...
 new/0: routine allocated memory from 1000 to 101000
 schedule/0: test-interpolate-at-end
 run/0: instruction test-interpolate-at-end/0
+run/0: {name: "1", value: 1, type: 2-5-4, properties: ["1": "address":"array":"character", "raw": ]} <- new {name: "hello, _", value: 0, type: 0, properties: ["hello, _": "literal-string"]}
 mem/0: storing 1000 in location 1
 run/0: instruction test-interpolate-at-end/1
+run/0: {name: "2", value: 2, type: 2-5-4, properties: ["2": "address":"array":"character", "raw": ]} <- new {name: "abc", value: 0, type: 0, properties: ["abc": "literal-string"]}
 mem/0: storing 1009 in location 2
 run/0: instruction test-interpolate-at-end/2
+run/0: {name: "3", value: 3, type: 2-5-4, properties: ["3": "address":"array":"character", "raw": ]} <- interpolate {name: "1", value: 1, type: 2-5-4, properties: ["1": "address":"array":"character", "raw": ]}, {name: "2", value: 2, type: 2-5-4, properties: ["2": "address":"array":"character", "raw": ]}
 mem/0: location 1 is 1000
 mem/0: location 2 is 1009
 run/0: instruction interpolate/0
+run/0: {name: "default-space", value: 0, type: 5-2-1, properties: ["default-space": "array":"address":"location"]} <- new {name: "location", value: 1, type: 0, properties: ["location": "type"]}, {name: "60", value: 60, type: 0, properties: ["60": "literal"]}
 mem/0: array size is 60
 mem/0: new alloc: 1013
 run/0: instruction interpolate/1
+run/0: {name: "template", value: 1, type: 2-5-4, properties: ["template": "address":"array":"character"]} <- next-ingredient 
 run/0: product 0 is 1000
 mem/0: storing 1000 in location 1015
 run/0: instruction interpolate/2
+run/0: {name: "tem-len", value: 2, type: 1, properties: ["tem-len": "integer"]} <- length {name: "template", value: 1, type: 2-5-4, properties: ["template": "address":"array":"character", "deref": ]}
 mem/0: location 1015 is 1000
 mem/0: storing 8 in location 1016
 run/0: instruction interpolate/3
+run/0: {name: "result-len", value: 3, type: 1, properties: ["result-len": "integer"]} <- copy {name: "tem-len", value: 2, type: 1, properties: ["tem-len": "integer"]}
 run/0: ingredient 0 is tem-len
 mem/0: location 1016 is 8
 mem/0: storing 8 in location 1017
 run/0: instruction interpolate/5
+run/0: {name: "a", value: 4, type: 2-5-4, properties: ["a": "address":"array":"character"]}, {name: "arg-received?", value: 5, type: 3, properties: ["arg-received?": "boolean"]} <- next-ingredient 
 run/0: product 0 is 1009
 mem/0: storing 1009 in location 1018
 mem/0: storing 1 in location 1019
 run/0: instruction interpolate/6
+run/0: break-unless {name: "arg-received?", value: 5, type: 3, properties: ["arg-received?": "boolean"]}, {name: "", value: 4, type: , properties: ["": ]}
 mem/0: location 1019 is 1
 run/0: ingredient 0 is 1
 run/0: jump-unless fell through
 run/0: instruction interpolate/7
+run/0: {name: "a-len", value: 6, type: 1, properties: ["a-len": "integer"]} <- length {name: "a", value: 4, type: 2-5-4, properties: ["a": "address":"array":"character", "deref": ]}
 mem/0: location 1018 is 1009
 mem/0: storing 3 in location 1020
 run/0: instruction interpolate/8
+run/0: {name: "result-len", value: 3, type: 1, properties: ["result-len": "integer"]} <- add {name: "result-len", value: 3, type: 1, properties: ["result-len": "integer"]}, {name: "a-len", value: 6, type: 1, properties: ["a-len": "integer"]}
 run/0: ingredient 0 is result-len
 mem/0: location 1017 is 8
 run/0: ingredient 1 is a-len
@@ -59,44 +70,56 @@ mem/0: location 1020 is 3
 run/0: product 0 is 11
 mem/0: storing 11 in location 1017
 run/0: instruction interpolate/9
+run/0: {name: "result-len", value: 3, type: 1, properties: ["result-len": "integer"]} <- subtract {name: "result-len", value: 3, type: 1, properties: ["result-len": "integer"]}, {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: ingredient 0 is result-len
 mem/0: location 1017 is 11
 run/0: ingredient 1 is 1
 run/0: product 0 is 10
 mem/0: storing 10 in location 1017
 run/0: instruction interpolate/10
+run/0: loop {name: "", value: -6, type: , properties: ["": ]}
 run/0: ingredient 0 is -6
 run/0: jumping to instruction 5
 run/0: instruction interpolate/5
+run/0: {name: "a", value: 4, type: 2-5-4, properties: ["a": "address":"array":"character"]}, {name: "arg-received?", value: 5, type: 3, properties: ["arg-received?": "boolean"]} <- next-ingredient 
 mem/0: storing 0 in location 1019
 run/0: instruction interpolate/6
+run/0: break-unless {name: "arg-received?", value: 5, type: 3, properties: ["arg-received?": "boolean"]}, {name: "", value: 4, type: , properties: ["": ]}
 mem/0: location 1019 is 0
 run/0: ingredient 0 is 0
 run/0: ingredient 1 is 
 run/0: jumping to instruction 11
 run/0: instruction interpolate/12
+run/0: rewind-ingredients 
 run/0: instruction interpolate/13
+run/0: {name: "_", value: 0, type: 0, properties: ["_": "dummy"]} <- next-ingredient 
 run/0: product 0 is 1000
 run/0: instruction interpolate/14
+run/0: {name: "result", value: 7, type: 2-5-4, properties: ["result": "address":"array":"character"]} <- new {name: "character", value: 4, type: 0, properties: ["character": "type"]}, {name: "result-len", value: 3, type: 1, properties: ["result-len": "integer"]}
 mem/0: location 1017 is 10
 mem/0: array size is 10
 mem/0: new alloc: 1073
 mem/0: storing 1073 in location 1021
 run/0: instruction interpolate/15
+run/0: {name: "result-idx", value: 8, type: 1, properties: ["result-idx": "integer"]} <- copy {name: "0", value: 0, type: 0, properties: ["0": "literal"]}
 run/0: ingredient 0 is 0
 mem/0: storing 0 in location 1022
 run/0: instruction interpolate/16
+run/0: {name: "i", value: 9, type: 1, properties: ["i": "integer"]} <- copy {name: "0", value: 0, type: 0, properties: ["0": "literal"]}
 run/0: ingredient 0 is 0
 mem/0: storing 0 in location 1023
 run/0: instruction interpolate/18
+run/0: {name: "a", value: 4, type: 2-5-4, properties: ["a": "address":"array":"character"]}, {name: "arg-received?", value: 5, type: 3, properties: ["arg-received?": "boolean"]} <- next-ingredient 
 run/0: product 0 is 1009
 mem/0: storing 1009 in location 1018
 mem/0: storing 1 in location 1019
 run/0: instruction interpolate/19
+run/0: break-unless {name: "arg-received?", value: 5, type: 3, properties: ["arg-received?": "boolean"]}, {name: "", value: 25, type: , properties: ["": ]}
 mem/0: location 1019 is 1
 run/0: ingredient 0 is 1
 run/0: jump-unless fell through
 run/0: instruction interpolate/21
+run/0: {name: "tem-done?", value: 10, type: 3, properties: ["tem-done?": "boolean"]} <- greater-or-equal {name: "i", value: 9, type: 1, properties: ["i": "integer"]}, {name: "tem-len", value: 2, type: 1, properties: ["tem-len": "integer"]}
 run/0: ingredient 0 is i
 mem/0: location 1023 is 0
 run/0: ingredient 1 is tem-len
@@ -104,10 +127,12 @@ mem/0: location 1016 is 8
 run/0: product 0 is 0
 mem/0: storing 0 in location 1024
 run/0: instruction interpolate/22
+run/0: break-if {name: "tem-done?", value: 10, type: 3, properties: ["tem-done?": "boolean"]}, {name: "2", value: 2, type: 0, properties: ["2": "blocks"]}
 mem/0: location 1024 is 0
 run/0: ingredient 0 is 0
 run/0: jump-if fell through
 run/0: instruction interpolate/23
+run/0: {name: "in", value: 11, type: 4, properties: ["in": "character"]} <- index {name: "template", value: 1, type: 2-5-4, properties: ["template": "address":"array":"character", "deref": ]}, {name: "i", value: 9, type: 1, properties: ["i": "integer"]}
 run/0: ingredient 0 is {name: "template", value: 1, type: 2-5-4, properties: ["template": "address":"array":"character", "deref": ]}
 mem/0: location 1015 is 1000
 run/0: ingredient 1 is {name: "i", value: 9, type: 1, properties: ["i": "integer"]}
@@ -118,16 +143,19 @@ mem/0: location 1001 is 104
 run/0: product 0 is 104
 mem/0: storing 104 in location 1025
 run/0: instruction interpolate/24
+run/0: {name: "underscore?", value: 12, type: 3, properties: ["underscore?": "boolean"]} <- equal {name: "in", value: 11, type: 4, properties: ["in": "character"]}, {name: "95", value: 95, type: 0, properties: ["95": "literal"]}
 run/0: ingredient 0 is in
 mem/0: location 1025 is 104
 run/0: ingredient 1 is 95
 run/0: product 0 is 0
 mem/0: storing 0 in location 1026
 run/0: instruction interpolate/25
+run/0: break-if {name: "underscore?", value: 12, type: 3, properties: ["underscore?": "boolean"]}, {name: "", value: 5, type: , properties: ["": ]}
 mem/0: location 1026 is 0
 run/0: ingredient 0 is 0
 run/0: jump-if fell through
 run/0: instruction interpolate/26
+run/0: {name: "out", value: 13, type: 2-4, properties: ["out": "address":"character"]} <- index-address {name: "result", value: 7, type: 2-5-4, properties: ["result": "address":"array":"character", "deref": ]}, {name: "result-idx", value: 8, type: 1, properties: ["result-idx": "integer"]}
 run/0: ingredient 0 is result
 mem/0: location 1021 is 1073
 run/0: ingredient 1 is {name: "result-idx", value: 8, type: 1, properties: ["result-idx": "integer"]}
@@ -136,26 +164,31 @@ run/0: address to copy is 1074
 run/0: product 0 is 1074
 mem/0: storing 1074 in location 1027
 run/0: instruction interpolate/27
+run/0: {name: "out", value: 13, type: 2-4, properties: ["out": "address":"character", "deref": ]} <- copy {name: "in", value: 11, type: 4, properties: ["in": "character"]}
 run/0: ingredient 0 is in
 mem/0: location 1025 is 104
 mem/0: location 1027 is 1074
 mem/0: storing 104 in location 1074
 run/0: instruction interpolate/28
+run/0: {name: "i", value: 9, type: 1, properties: ["i": "integer"]} <- add {name: "i", value: 9, type: 1, properties: ["i": "integer"]}, {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: ingredient 0 is i
 mem/0: location 1023 is 0
 run/0: ingredient 1 is 1
 run/0: product 0 is 1
 mem/0: storing 1 in location 1023
 run/0: instruction interpolate/29
+run/0: {name: "result-idx", value: 8, type: 1, properties: ["result-idx": "integer"]} <- add {name: "result-idx", value: 8, type: 1, properties: ["result-idx": "integer"]}, {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: ingredient 0 is result-idx
 mem/0: location 1022 is 0
 run/0: ingredient 1 is 1
 run/0: product 0 is 1
 mem/0: storing 1 in location 1022
 run/0: instruction interpolate/30
+run/0: loop {name: "", value: -10, type: , properties: ["": ]}
 run/0: ingredient 0 is -10
 run/0: jumping to instruction 21
 run/0: instruction interpolate/21
+run/0: {name: "tem-done?", value: 10, type: 3, properties: ["tem-done?": "boolean"]} <- greater-or-equal {name: "i", value: 9, type: 1, properties: ["i": "integer"]}, {name: "tem-len", value: 2, type: 1, properties: ["tem-len": "integer"]}
 run/0: ingredient 0 is i
 mem/0: location 1023 is 1
 run/0: ingredient 1 is tem-len
@@ -163,10 +196,12 @@ mem/0: location 1016 is 8
 run/0: product 0 is 0
 mem/0: storing 0 in location 1024
 run/0: instruction interpolate/22
+run/0: break-if {name: "tem-done?", value: 10, type: 3, properties: ["tem-done?": "boolean"]}, {name: "2", value: 2, type: 0, properties: ["2": "blocks"]}
 mem/0: location 1024 is 0
 run/0: ingredient 0 is 0
 run/0: jump-if fell through
 run/0: instruction interpolate/23
+run/0: {name: "in", value: 11, type: 4, properties: ["in": "character"]} <- index {name: "template", value: 1, type: 2-5-4, properties: ["template": "address":"array":"character", "deref": ]}, {name: "i", value: 9, type: 1, properties: ["i": "integer"]}
 run/0: ingredient 0 is {name: "template", value: 1, type: 2-5-4, properties: ["template": "address":"array":"character", "deref": ]}
 mem/0: location 1015 is 1000
 run/0: ingredient 1 is {name: "i", value: 9, type: 1, properties: ["i": "integer"]}
@@ -177,16 +212,19 @@ mem/0: location 1002 is 101
 run/0: product 0 is 101
 mem/0: storing 101 in location 1025
 run/0: instruction interpolate/24
+run/0: {name: "underscore?", value: 12, type: 3, properties: ["underscore?": "boolean"]} <- equal {name: "in", value: 11, type: 4, properties: ["in": "character"]}, {name: "95", value: 95, type: 0, properties: ["95": "literal"]}
 run/0: ingredient 0 is in
 mem/0: location 1025 is 101
 run/0: ingredient 1 is 95
 run/0: product 0 is 0
 mem/0: storing 0 in location 1026
 run/0: instruction interpolate/25
+run/0: break-if {name: "underscore?", value: 12, type: 3, properties: ["underscore?": "boolean"]}, {name: "", value: 5, type: , properties: ["": ]}
 mem/0: location 1026 is 0
 run/0: ingredient 0 is 0
 run/0: jump-if fell through
 run/0: instruction interpolate/26
+run/0: {name: "out", value: 13, type: 2-4, properties: ["out": "address":"character"]} <- index-address {name: "result", value: 7, type: 2-5-4, properties: ["result": "address":"array":"character", "deref": ]}, {name: "result-idx", value: 8, type: 1, properties: ["result-idx": "integer"]}
 run/0: ingredient 0 is result
 mem/0: location 1021 is 1073
 run/0: ingredient 1 is {name: "result-idx", value: 8, type: 1, properties: ["result-idx": "integer"]}
@@ -195,26 +233,31 @@ run/0: address to copy is 1075
 run/0: product 0 is 1075
 mem/0: storing 1075 in location 1027
 run/0: instruction interpolate/27
+run/0: {name: "out", value: 13, type: 2-4, properties: ["out": "address":"character", "deref": ]} <- copy {name: "in", value: 11, type: 4, properties: ["in": "character"]}
 run/0: ingredient 0 is in
 mem/0: location 1025 is 101
 mem/0: location 1027 is 1075
 mem/0: storing 101 in location 1075
 run/0: instruction interpolate/28
+run/0: {name: "i", value: 9, type: 1, properties: ["i": "integer"]} <- add {name: "i", value: 9, type: 1, properties: ["i": "integer"]}, {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: ingredient 0 is i
 mem/0: location 1023 is 1
 run/0: ingredient 1 is 1
 run/0: product 0 is 2
 mem/0: storing 2 in location 1023
 run/0: instruction interpolate/29
+run/0: {name: "result-idx", value: 8, type: 1, properties: ["result-idx": "integer"]} <- add {name: "result-idx", value: 8, type: 1, properties: ["result-idx": "integer"]}, {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: ingredient 0 is result-idx
 mem/0: location 1022 is 1
 run/0: ingredient 1 is 1
 run/0: product 0 is 2
 mem/0: storing 2 in location 1022
 run/0: instruction interpolate/30
+run/0: loop {name: "", value: -10, type: , properties: ["": ]}
 run/0: ingredient 0 is -10
 run/0: jumping to instruction 21
 run/0: instruction interpolate/21
+run/0: {name: "tem-done?", value: 10, type: 3, properties: ["tem-done?": "boolean"]} <- greater-or-equal {name: "i", value: 9, type: 1, properties: ["i": "integer"]}, {name: "tem-len", value: 2, type: 1, properties: ["tem-len": "integer"]}
 run/0: ingredient 0 is i
 mem/0: location 1023 is 2
 run/0: ingredient 1 is tem-len
@@ -222,10 +265,12 @@ mem/0: location 1016 is 8
 run/0: product 0 is 0
 mem/0: storing 0 in location 1024
 run/0: instruction interpolate/22
+run/0: break-if {name: "tem-done?", value: 10, type: 3, properties: ["tem-done?": "boolean"]}, {name: "2", value: 2, type: 0, properties: ["2": "blocks"]}
 mem/0: location 1024 is 0
 run/0: ingredient 0 is 0
 run/0: jump-if fell through
 run/0: instruction interpolate/23
+run/0: {name: "in", value: 11, type: 4, properties: ["in": "character"]} <- index {name: "template", value: 1, type: 2-5-4, properties: ["template": "address":"array":"character", "deref": ]}, {name: "i", value: 9, type: 1, properties: ["i": "integer"]}
 run/0: ingredient 0 is {name: "template", value: 1, type: 2-5-4, properties: ["template": "address":"array":"character", "deref": ]}
 mem/0: location 1015 is 1000
 run/0: ingredient 1 is {name: "i", value: 9, type: 1, properties: ["i": "integer"]}
@@ -236,16 +281,19 @@ mem/0: location 1003 is 108
 run/0: product 0 is 108
 mem/0: storing 108 in location 1025
 run/0: instruction interpolate/24
+run/0: {name: "underscore?", value: 12, type: 3, properties: ["underscore?": "boolean"]} <- equal {name: "in", value: 11, type: 4, properties: ["in": "character"]}, {name: "95", value: 95, type: 0, properties: ["95": "literal"]}
 run/0: ingredient 0 is in
 mem/0: location 1025 is 108
 run/0: ingredient 1 is 95
 run/0: product 0 is 0
 mem/0: storing 0 in location 1026
 run/0: instruction interpolate/25
+run/0: break-if {name: "underscore?", value: 12, type: 3, properties: ["underscore?": "boolean"]}, {name: "", value: 5, type: , properties: ["": ]}
 mem/0: location 1026 is 0
 run/0: ingredient 0 is 0
 run/0: jump-if fell through
 run/0: instruction interpolate/26
+run/0: {name: "out", value: 13, type: 2-4, properties: ["out": "address":"character"]} <- index-address {name: "result", value: 7, type: 2-5-4, properties: ["result": "address":"array":"character", "deref": ]}, {name: "result-idx", value: 8, type: 1, properties: ["result-idx": "integer"]}
 run/0: ingredient 0 is result
 mem/0: location 1021 is 1073
 run/0: ingredient 1 is {name: "result-idx", value: 8, type: 1, properties: ["result-idx": "integer"]}
@@ -254,26 +302,31 @@ run/0: address to copy is 1076
 run/0: product 0 is 1076
 mem/0: storing 1076 in location 1027
 run/0: instruction interpolate/27
+run/0: {name: "out", value: 13, type: 2-4, properties: ["out": "address":"character", "deref": ]} <- copy {name: "in", value: 11, type: 4, properties: ["in": "character"]}
 run/0: ingredient 0 is in
 mem/0: location 1025 is 108
 mem/0: location 1027 is 1076
 mem/0: storing 108 in location 1076
 run/0: instruction interpolate/28
+run/0: {name: "i", value: 9, type: 1, properties: ["i": "integer"]} <- add {name: "i", value: 9, type: 1, properties: ["i": "integer"]}, {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: ingredient 0 is i
 mem/0: location 1023 is 2
 run/0: ingredient 1 is 1
 run/0: product 0 is 3
 mem/0: storing 3 in location 1023
 run/0: instruction interpolate/29
+run/0: {name: "result-idx", value: 8, type: 1, properties: ["result-idx": "integer"]} <- add {name: "result-idx", value: 8, type: 1, properties: ["result-idx": "integer"]}, {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: ingredient 0 is result-idx
 mem/0: location 1022 is 2
 run/0: ingredient 1 is 1
 run/0: product 0 is 3
 mem/0: storing 3 in location 1022
 run/0: instruction interpolate/30
+run/0: loop {name: "", value: -10, type: , properties: ["": ]}
 run/0: ingredient 0 is -10
 run/0: jumping to instruction 21
 run/0: instruction interpolate/21
+run/0: {name: "tem-done?", value: 10, type: 3, properties: ["tem-done?": "boolean"]} <- greater-or-equal {name: "i", value: 9, type: 1, properties: ["i": "integer"]}, {name: "tem-len", value: 2, type: 1, properties: ["tem-len": "integer"]}
 run/0: ingredient 0 is i
 mem/0: location 1023 is 3
 run/0: ingredient 1 is tem-len
@@ -281,10 +334,12 @@ mem/0: location 1016 is 8
 run/0: product 0 is 0
 mem/0: storing 0 in location 1024
 run/0: instruction interpolate/22
+run/0: break-if {name: "tem-done?", value: 10, type: 3, properties: ["tem-done?": "boolean"]}, {name: "2", value: 2, type: 0, properties: ["2": "blocks"]}
 mem/0: location 1024 is 0
 run/0: ingredient 0 is 0
 run/0: jump-if fell through
 run/0: instruction interpolate/23
+run/0: {name: "in", value: 11, type: 4, properties: ["in": "character"]} <- index {name: "template", value: 1, type: 2-5-4, properties: ["template": "address":"array":"character", "deref": ]}, {name: "i", value: 9, type: 1, properties: ["i": "integer"]}
 run/0: ingredient 0 is {name: "template", value: 1, type: 2-5-4, properties: ["template": "address":"array":"character", "deref": ]}
 mem/0: location 1015 is 1000
 run/0: ingredient 1 is {name: "i", value: 9, type: 1, properties: ["i": "integer"]}
@@ -295,16 +350,19 @@ mem/0: location 1004 is 108
 run/0: product 0 is 108
 mem/0: storing 108 in location 1025
 run/0: instruction interpolate/24
+run/0: {name: "underscore?", value: 12, type: 3, properties: ["underscore?": "boolean"]} <- equal {name: "in", value: 11, type: 4, properties: ["in": "character"]}, {name: "95", value: 95, type: 0, properties: ["95": "literal"]}
 run/0: ingredient 0 is in
 mem/0: location 1025 is 108
 run/0: ingredient 1 is 95
 run/0: product 0 is 0
 mem/0: storing 0 in location 1026
 run/0: instruction interpolate/25
+run/0: break-if {name: "underscore?", value: 12, type: 3, properties: ["underscore?": "boolean"]}, {name: "", value: 5, type: , properties: ["": ]}
 mem/0: location 1026 is 0
 run/0: ingredient 0 is 0
 run/0: jump-if fell through
 run/0: instruction interpolate/26
+run/0: {name: "out", value: 13, type: 2-4, properties: ["out": "address":"character"]} <- index-address {name: "result", value: 7, type: 2-5-4, properties: ["result": "address":"array":"character", "deref": ]}, {name: "result-idx", value: 8, type: 1, properties: ["result-idx": "integer"]}
 run/0: ingredient 0 is result
 mem/0: location 1021 is 1073
 run/0: ingredient 1 is {name: "result-idx", value: 8, type: 1, properties: ["result-idx": "integer"]}
@@ -313,26 +371,31 @@ run/0: address to copy is 1077
 run/0: product 0 is 1077
 mem/0: storing 1077 in location 1027
 run/0: instruction interpolate/27
+run/0: {name: "out", value: 13, type: 2-4, properties: ["out": "address":"character", "deref": ]} <- copy {name: "in", value: 11, type: 4, properties: ["in": "character"]}
 run/0: ingredient 0 is in
 mem/0: location 1025 is 108
 mem/0: location 1027 is 1077
 mem/0: storing 108 in location 1077
 run/0: instruction interpolate/28
+run/0: {name: "i", value: 9, type: 1, properties: ["i": "integer"]} <- add {name: "i", value: 9, type: 1, properties: ["i": "integer"]}, {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: ingredient 0 is i
 mem/0: location 1023 is 3
 run/0: ingredient 1 is 1
 run/0: product 0 is 4
 mem/0: storing 4 in location 1023
 run/0: instruction interpolate/29
+run/0: {name: "result-idx", value: 8, type: 1, properties: ["result-idx": "integer"]} <- add {name: "result-idx", value: 8, type: 1, properties: ["result-idx": "integer"]}, {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: ingredient 0 is result-idx
 mem/0: location 1022 is 3
 run/0: ingredient 1 is 1
 run/0: product 0 is 4
 mem/0: storing 4 in location 1022
 run/0: instruction interpolate/30
+run/0: loop {name: "", value: -10, type: , properties: ["": ]}
 run/0: ingredient 0 is -10
 run/0: jumping to instruction 21
 run/0: instruction interpolate/21
+run/0: {name: "tem-done?", value: 10, type: 3, properties: ["tem-done?": "boolean"]} <- greater-or-equal {name: "i", value: 9, type: 1, properties: ["i": "integer"]}, {name: "tem-len", value: 2, type: 1, properties: ["tem-len": "integer"]}
 run/0: ingredient 0 is i
 mem/0: location 1023 is 4
 run/0: ingredient 1 is tem-len
@@ -340,10 +403,12 @@ mem/0: location 1016 is 8
 run/0: product 0 is 0
 mem/0: storing 0 in location 1024
 run/0: instruction interpolate/22
+run/0: break-if {name: "tem-done?", value: 10, type: 3, properties: ["tem-done?": "boolean"]}, {name: "2", value: 2, type: 0, properties: ["2": "blocks"]}
 mem/0: location 1024 is 0
 run/0: ingredient 0 is 0
 run/0: jump-if fell through
 run/0: instruction interpolate/23
+run/0: {name: "in", value: 11, type: 4, properties: ["in": "character"]} <- index {name: "template", value: 1, type: 2-5-4, properties: ["template": "address":"array":"character", "deref": ]}, {name: "i", value: 9, type: 1, properties: ["i": "integer"]}
 run/0: ingredient 0 is {name: "template", value: 1, type: 2-5-4, properties: ["template": "address":"array":"character", "deref": ]}
 mem/0: location 1015 is 1000
 run/0: ingredient 1 is {name: "i", value: 9, type: 1, properties: ["i": "integer"]}
@@ -354,16 +419,19 @@ mem/0: location 1005 is 111
 run/0: product 0 is 111
 mem/0: storing 111 in location 1025
 run/0: instruction interpolate/24
+run/0: {name: "underscore?", value: 12, type: 3, properties: ["underscore?": "boolean"]} <- equal {name: "in", value: 11, type: 4, properties: ["in": "character"]}, {name: "95", value: 95, type: 0, properties: ["95": "literal"]}
 run/0: ingredient 0 is in
 mem/0: location 1025 is 111
 run/0: ingredient 1 is 95
 run/0: product 0 is 0
 mem/0: storing 0 in location 1026
 run/0: instruction interpolate/25
+run/0: break-if {name: "underscore?", value: 12, type: 3, properties: ["underscore?": "boolean"]}, {name: "", value: 5, type: , properties: ["": ]}
 mem/0: location 1026 is 0
 run/0: ingredient 0 is 0
 run/0: jump-if fell through
 run/0: instruction interpolate/26
+run/0: {name: "out", value: 13, type: 2-4, properties: ["out": "address":"character"]} <- index-address {name: "result", value: 7, type: 2-5-4, properties: ["result": "address":"array":"character", "deref": ]}, {name: "result-idx", value: 8, type: 1, properties: ["result-idx": "integer"]}
 run/0: ingredient 0 is result
 mem/0: location 1021 is 1073
 run/0: ingredient 1 is {name: "result-idx", value: 8, type: 1, properties: ["result-idx": "integer"]}
@@ -372,26 +440,31 @@ run/0: address to copy is 1078
 run/0: product 0 is 1078
 mem/0: storing 1078 in location 1027
 run/0: instruction interpolate/27
+run/0: {name: "out", value: 13, type: 2-4, properties: ["out": "address":"character", "deref": ]} <- copy {name: "in", value: 11, type: 4, properties: ["in": "character"]}
 run/0: ingredient 0 is in
 mem/0: location 1025 is 111
 mem/0: location 1027 is 1078
 mem/0: storing 111 in location 1078
 run/0: instruction interpolate/28
+run/0: {name: "i", value: 9, type: 1, properties: ["i": "integer"]} <- add {name: "i", value: 9, type: 1, properties: ["i": "integer"]}, {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: ingredient 0 is i
 mem/0: location 1023 is 4
 run/0: ingredient 1 is 1
 run/0: product 0 is 5
 mem/0: storing 5 in location 1023
 run/0: instruction interpolate/29
+run/0: {name: "result-idx", value: 8, type: 1, properties: ["result-idx": "integer"]} <- add {name: "result-idx", value: 8, type: 1, properties: ["result-idx": "integer"]}, {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: ingredient 0 is result-idx
 mem/0: location 1022 is 4
 run/0: ingredient 1 is 1
 run/0: product 0 is 5
 mem/0: storing 5 in location 1022
 run/0: instruction interpolate/30
+run/0: loop {name: "", value: -10, type: , properties: ["": ]}
 run/0: ingredient 0 is -10
 run/0: jumping to instruction 21
 run/0: instruction interpolate/21
+run/0: {name: "tem-done?", value: 10, type: 3, properties: ["tem-done?": "boolean"]} <- greater-or-equal {name: "i", value: 9, type: 1, properties: ["i": "integer"]}, {name: "tem-len", value: 2, type: 1, properties: ["tem-len": "integer"]}
 run/0: ingredient 0 is i
 mem/0: location 1023 is 5
 run/0: ingredient 1 is tem-len
@@ -399,10 +472,12 @@ mem/0: location 1016 is 8
 run/0: product 0 is 0
 mem/0: storing 0 in location 1024
 run/0: instruction interpolate/22
+run/0: break-if {name: "tem-done?", value: 10, type: 3, properties: ["tem-done?": "boolean"]}, {name: "2", value: 2, type: 0, properties: ["2": "blocks"]}
 mem/0: location 1024 is 0
 run/0: ingredient 0 is 0
 run/0: jump-if fell through
 run/0: instruction interpolate/23
+run/0: {name: "in", value: 11, type: 4, properties: ["in": "character"]} <- index {name: "template", value: 1, type: 2-5-4, properties: ["template": "address":"array":"character", "deref": ]}, {name: "i", value: 9, type: 1, properties: ["i": "integer"]}
 run/0: ingredient 0 is {name: "template", value: 1, type: 2-5-4, properties: ["template": "address":"array":"character", "deref": ]}
 mem/0: location 1015 is 1000
 run/0: ingredient 1 is {name: "i", value: 9, type: 1, properties: ["i": "integer"]}
@@ -413,16 +488,19 @@ mem/0: location 1006 is 44
 run/0: product 0 is 44
 mem/0: storing 44 in location 1025
 run/0: instruction interpolate/24
+run/0: {name: "underscore?", value: 12, type: 3, properties: ["underscore?": "boolean"]} <- equal {name: "in", value: 11, type: 4, properties: ["in": "character"]}, {name: "95", value: 95, type: 0, properties: ["95": "literal"]}
 run/0: ingredient 0 is in
 mem/0: location 1025 is 44
 run/0: ingredient 1 is 95
 run/0: product 0 is 0
 mem/0: storing 0 in location 1026
 run/0: instruction interpolate/25
+run/0: break-if {name: "underscore?", value: 12, type: 3, properties: ["underscore?": "boolean"]}, {name: "", value: 5, type: , properties: ["": ]}
 mem/0: location 1026 is 0
 run/0: ingredient 0 is 0
 run/0: jump-if fell through
 run/0: instruction interpolate/26
+run/0: {name: "out", value: 13, type: 2-4, properties: ["out": "address":"character"]} <- index-address {name: "result", value: 7, type: 2-5-4, properties: ["result": "address":"array":"character", "deref": ]}, {name: "result-idx", value: 8, type: 1, properties: ["result-idx": "integer"]}
 run/0: ingredient 0 is result
 mem/0: location 1021 is 1073
 run/0: ingredient 1 is {name: "result-idx", value: 8, type: 1, properties: ["result-idx": "integer"]}
@@ -431,26 +509,31 @@ run/0: address to copy is 1079
 run/0: product 0 is 1079
 mem/0: storing 1079 in location 1027
 run/0: instruction interpolate/27
+run/0: {name: "out", value: 13, type: 2-4, properties: ["out": "address":"character", "deref": ]} <- copy {name: "in", value: 11, type: 4, properties: ["in": "character"]}
 run/0: ingredient 0 is in
 mem/0: location 1025 is 44
 mem/0: location 1027 is 1079
 mem/0: storing 44 in location 1079
 run/0: instruction interpolate/28
+run/0: {name: "i", value: 9, type: 1, properties: ["i": "integer"]} <- add {name: "i", value: 9, type: 1, properties: ["i": "integer"]}, {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: ingredient 0 is i
 mem/0: location 1023 is 5
 run/0: ingredient 1 is 1
 run/0: product 0 is 6
 mem/0: storing 6 in location 1023
 run/0: instruction interpolate/29
+run/0: {name: "result-idx", value: 8, type: 1, properties: ["result-idx": "integer"]} <- add {name: "result-idx", value: 8, type: 1, properties: ["result-idx": "integer"]}, {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: ingredient 0 is result-idx
 mem/0: location 1022 is 5
 run/0: ingredient 1 is 1
 run/0: product 0 is 6
 mem/0: storing 6 in location 1022
 run/0: instruction interpolate/30
+run/0: loop {name: "", value: -10, type: , properties: ["": ]}
 run/0: ingredient 0 is -10
 run/0: jumping to instruction 21
 run/0: instruction interpolate/21
+run/0: {name: "tem-done?", value: 10, type: 3, properties: ["tem-done?": "boolean"]} <- greater-or-equal {name: "i", value: 9, type: 1, properties: ["i": "integer"]}, {name: "tem-len", value: 2, type: 1, properties: ["tem-len": "integer"]}
 run/0: ingredient 0 is i
 mem/0: location 1023 is 6
 run/0: ingredient 1 is tem-len
@@ -458,10 +541,12 @@ mem/0: location 1016 is 8
 run/0: product 0 is 0
 mem/0: storing 0 in location 1024
 run/0: instruction interpolate/22
+run/0: break-if {name: "tem-done?", value: 10, type: 3, properties: ["tem-done?": "boolean"]}, {name: "2", value: 2, type: 0, properties: ["2": "blocks"]}
 mem/0: location 1024 is 0
 run/0: ingredient 0 is 0
 run/0: jump-if fell through
 run/0: instruction interpolate/23
+run/0: {name: "in", value: 11, type: 4, properties: ["in": "character"]} <- index {name: "template", value: 1, type: 2-5-4, properties: ["template": "address":"array":"character", "deref": ]}, {name: "i", value: 9, type: 1, properties: ["i": "integer"]}
 run/0: ingredient 0 is {name: "template", value: 1, type: 2-5-4, properties: ["template": "address":"array":"character", "deref": ]}
 mem/0: location 1015 is 1000
 run/0: ingredient 1 is {name: "i", value: 9, type: 1, properties: ["i": "integer"]}
@@ -472,16 +557,19 @@ mem/0: location 1007 is 32
 run/0: product 0 is 32
 mem/0: storing 32 in location 1025
 run/0: instruction interpolate/24
+run/0: {name: "underscore?", value: 12, type: 3, properties: ["underscore?": "boolean"]} <- equal {name: "in", value: 11, type: 4, properties: ["in": "character"]}, {name: "95", value: 95, type: 0, properties: ["95": "literal"]}
 run/0: ingredient 0 is in
 mem/0: location 1025 is 32
 run/0: ingredient 1 is 95
 run/0: product 0 is 0
 mem/0: storing 0 in location 1026
 run/0: instruction interpolate/25
+run/0: break-if {name: "underscore?", value: 12, type: 3, properties: ["underscore?": "boolean"]}, {name: "", value: 5, type: , properties: ["": ]}
 mem/0: location 1026 is 0
 run/0: ingredient 0 is 0
 run/0: jump-if fell through
 run/0: instruction interpolate/26
+run/0: {name: "out", value: 13, type: 2-4, properties: ["out": "address":"character"]} <- index-address {name: "result", value: 7, type: 2-5-4, properties: ["result": "address":"array":"character", "deref": ]}, {name: "result-idx", value: 8, type: 1, properties: ["result-idx": "integer"]}
 run/0: ingredient 0 is result
 mem/0: location 1021 is 1073
 run/0: ingredient 1 is {name: "result-idx", value: 8, type: 1, properties: ["result-idx": "integer"]}
@@ -490,26 +578,31 @@ run/0: address to copy is 1080
 run/0: product 0 is 1080
 mem/0: storing 1080 in location 1027
 run/0: instruction interpolate/27
+run/0: {name: "out", value: 13, type: 2-4, properties: ["out": "address":"character", "deref": ]} <- copy {name: "in", value: 11, type: 4, properties: ["in": "character"]}
 run/0: ingredient 0 is in
 mem/0: location 1025 is 32
 mem/0: location 1027 is 1080
 mem/0: storing 32 in location 1080
 run/0: instruction interpolate/28
+run/0: {name: "i", value: 9, type: 1, properties: ["i": "integer"]} <- add {name: "i", value: 9, type: 1, properties: ["i": "integer"]}, {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: ingredient 0 is i
 mem/0: location 1023 is 6
 run/0: ingredient 1 is 1
 run/0: product 0 is 7
 mem/0: storing 7 in location 1023
 run/0: instruction interpolate/29
+run/0: {name: "result-idx", value: 8, type: 1, properties: ["result-idx": "integer"]} <- add {name: "result-idx", value: 8, type: 1, properties: ["result-idx": "integer"]}, {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: ingredient 0 is result-idx
 mem/0: location 1022 is 6
 run/0: ingredient 1 is 1
 run/0: product 0 is 7
 mem/0: storing 7 in location 1022
 run/0: instruction interpolate/30
+run/0: loop {name: "", value: -10, type: , properties: ["": ]}
 run/0: ingredient 0 is -10
 run/0: jumping to instruction 21
 run/0: instruction interpolate/21
+run/0: {name: "tem-done?", value: 10, type: 3, properties: ["tem-done?": "boolean"]} <- greater-or-equal {name: "i", value: 9, type: 1, properties: ["i": "integer"]}, {name: "tem-len", value: 2, type: 1, properties: ["tem-len": "integer"]}
 run/0: ingredient 0 is i
 mem/0: location 1023 is 7
 run/0: ingredient 1 is tem-len
@@ -517,10 +610,12 @@ mem/0: location 1016 is 8
 run/0: product 0 is 0
 mem/0: storing 0 in location 1024
 run/0: instruction interpolate/22
+run/0: break-if {name: "tem-done?", value: 10, type: 3, properties: ["tem-done?": "boolean"]}, {name: "2", value: 2, type: 0, properties: ["2": "blocks"]}
 mem/0: location 1024 is 0
 run/0: ingredient 0 is 0
 run/0: jump-if fell through
 run/0: instruction interpolate/23
+run/0: {name: "in", value: 11, type: 4, properties: ["in": "character"]} <- index {name: "template", value: 1, type: 2-5-4, properties: ["template": "address":"array":"character", "deref": ]}, {name: "i", value: 9, type: 1, properties: ["i": "integer"]}
 run/0: ingredient 0 is {name: "template", value: 1, type: 2-5-4, properties: ["template": "address":"array":"character", "deref": ]}
 mem/0: location 1015 is 1000
 run/0: ingredient 1 is {name: "i", value: 9, type: 1, properties: ["i": "integer"]}
@@ -531,20 +626,24 @@ mem/0: location 1008 is 95
 run/0: product 0 is 95
 mem/0: storing 95 in location 1025
 run/0: instruction interpolate/24
+run/0: {name: "underscore?", value: 12, type: 3, properties: ["underscore?": "boolean"]} <- equal {name: "in", value: 11, type: 4, properties: ["in": "character"]}, {name: "95", value: 95, type: 0, properties: ["95": "literal"]}
 run/0: ingredient 0 is in
 mem/0: location 1025 is 95
 run/0: ingredient 1 is 95
 run/0: product 0 is 1
 mem/0: storing 1 in location 1026
 run/0: instruction interpolate/25
+run/0: break-if {name: "underscore?", value: 12, type: 3, properties: ["underscore?": "boolean"]}, {name: "", value: 5, type: , properties: ["": ]}
 mem/0: location 1026 is 1
 run/0: ingredient 0 is 1
 run/0: ingredient 1 is 
 run/0: jumping to instruction 31
 run/0: instruction interpolate/32
+run/0: {name: "j", value: 14, type: 1, properties: ["j": "integer"]} <- copy {name: "0", value: 0, type: 0, properties: ["0": "literal"]}
 run/0: ingredient 0 is 0
 mem/0: storing 0 in location 1028
 run/0: instruction interpolate/34
+run/0: {name: "arg-done?", value: 15, type: 3, properties: ["arg-done?": "boolean"]} <- greater-or-equal {name: "j", value: 14, type: 1, properties: ["j": "integer"]}, {name: "a-len", value: 6, type: 1, properties: ["a-len": "integer"]}
 run/0: ingredient 0 is j
 mem/0: location 1028 is 0
 run/0: ingredient 1 is a-len
@@ -552,10 +651,12 @@ mem/0: location 1020 is 3
 run/0: product 0 is 0
 mem/0: storing 0 in location 1029
 run/0: instruction interpolate/35
+run/0: break-if {name: "arg-done?", value: 15, type: 3, properties: ["arg-done?": "boolean"]}, {name: "", value: 6, type: , properties: ["": ]}
 mem/0: location 1029 is 0
 run/0: ingredient 0 is 0
 run/0: jump-if fell through
 run/0: instruction interpolate/36
+run/0: {name: "in", value: 11, type: 4, properties: ["in": "character"]} <- index {name: "a", value: 4, type: 2-5-4, properties: ["a": "address":"array":"character", "deref": ]}, {name: "j", value: 14, type: 1, properties: ["j": "integer"]}
 run/0: ingredient 0 is {name: "a", value: 4, type: 2-5-4, properties: ["a": "address":"array":"character", "deref": ]}
 mem/0: location 1018 is 1009
 run/0: ingredient 1 is {name: "j", value: 14, type: 1, properties: ["j": "integer"]}
@@ -566,6 +667,7 @@ mem/0: location 1010 is 97
 run/0: product 0 is 97
 mem/0: storing 97 in location 1025
 run/0: instruction interpolate/37
+run/0: {name: "out", value: 13, type: 2-4, properties: ["out": "address":"character"]} <- index-address {name: "result", value: 7, type: 2-5-4, properties: ["result": "address":"array":"character", "deref": ]}, {name: "result-idx", value: 8, type: 1, properties: ["result-idx": "integer"]}
 run/0: ingredient 0 is result
 mem/0: location 1021 is 1073
 run/0: ingredient 1 is {name: "result-idx", value: 8, type: 1, properties: ["result-idx": "integer"]}
@@ -574,26 +676,31 @@ run/0: address to copy is 1081
 run/0: product 0 is 1081
 mem/0: storing 1081 in location 1027
 run/0: instruction interpolate/38
+run/0: {name: "out", value: 13, type: 2-4, properties: ["out": "address":"character", "deref": ]} <- copy {name: "in", value: 11, type: 4, properties: ["in": "character"]}
 run/0: ingredient 0 is in
 mem/0: location 1025 is 97
 mem/0: location 1027 is 1081
 mem/0: storing 97 in location 1081
 run/0: instruction interpolate/39
+run/0: {name: "j", value: 14, type: 1, properties: ["j": "integer"]} <- add {name: "j", value: 14, type: 1, properties: ["j": "integer"]}, {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: ingredient 0 is j
 mem/0: location 1028 is 0
 run/0: ingredient 1 is 1
 run/0: product 0 is 1
 mem/0: storing 1 in location 1028
 run/0: instruction interpolate/40
+run/0: {name: "result-idx", value: 8, type: 1, properties: ["result-idx": "integer"]} <- add {name: "result-idx", value: 8, type: 1, properties: ["result-idx": "integer"]}, {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: ingredient 0 is result-idx
 mem/0: location 1022 is 7
 run/0: ingredient 1 is 1
 run/0: product 0 is 8
 mem/0: storing 8 in location 1022
 run/0: instruction interpolate/41
+run/0: loop {name: "", value: -8, type: , properties: ["": ]}
 run/0: ingredient 0 is -8
 run/0: jumping to instruction 34
 run/0: instruction interpolate/34
+run/0: {name: "arg-done?", value: 15, type: 3, properties: ["arg-done?": "boolean"]} <- greater-or-equal {name: "j", value: 14, type: 1, properties: ["j": "integer"]}, {name: "a-len", value: 6, type: 1, properties: ["a-len": "integer"]}
 run/0: ingredient 0 is j
 mem/0: location 1028 is 1
 run/0: ingredient 1 is a-len
@@ -601,10 +708,12 @@ mem/0: location 1020 is 3
 run/0: product 0 is 0
 mem/0: storing 0 in location 1029
 run/0: instruction interpolate/35
+run/0: break-if {name: "arg-done?", value: 15, type: 3, properties: ["arg-done?": "boolean"]}, {name: "", value: 6, type: , properties: ["": ]}
 mem/0: location 1029 is 0
 run/0: ingredient 0 is 0
 run/0: jump-if fell through
 run/0: instruction interpolate/36
+run/0: {name: "in", value: 11, type: 4, properties: ["in": "character"]} <- index {name: "a", value: 4, type: 2-5-4, properties: ["a": "address":"array":"character", "deref": ]}, {name: "j", value: 14, type: 1, properties: ["j": "integer"]}
 run/0: ingredient 0 is {name: "a", value: 4, type: 2-5-4, properties: ["a": "address":"array":"character", "deref": ]}
 mem/0: location 1018 is 1009
 run/0: ingredient 1 is {name: "j", value: 14, type: 1, properties: ["j": "integer"]}
@@ -615,6 +724,7 @@ mem/0: location 1011 is 98
 run/0: product 0 is 98
 mem/0: storing 98 in location 1025
 run/0: instruction interpolate/37
+run/0: {name: "out", value: 13, type: 2-4, properties: ["out": "address":"character"]} <- index-address {name: "result", value: 7, type: 2-5-4, properties: ["result": "address":"array":"character", "deref": ]}, {name: "result-idx", value: 8, type: 1, properties: ["result-idx": "integer"]}
 run/0: ingredient 0 is result
 mem/0: location 1021 is 1073
 run/0: ingredient 1 is {name: "result-idx", value: 8, type: 1, properties: ["result-idx": "integer"]}
@@ -623,26 +733,31 @@ run/0: address to copy is 1082
 run/0: product 0 is 1082
 mem/0: storing 1082 in location 1027
 run/0: instruction interpolate/38
+run/0: {name: "out", value: 13, type: 2-4, properties: ["out": "address":"character", "deref": ]} <- copy {name: "in", value: 11, type: 4, properties: ["in": "character"]}
 run/0: ingredient 0 is in
 mem/0: location 1025 is 98
 mem/0: location 1027 is 1082
 mem/0: storing 98 in location 1082
 run/0: instruction interpolate/39
+run/0: {name: "j", value: 14, type: 1, properties: ["j": "integer"]} <- add {name: "j", value: 14, type: 1, properties: ["j": "integer"]}, {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: ingredient 0 is j
 mem/0: location 1028 is 1
 run/0: ingredient 1 is 1
 run/0: product 0 is 2
 mem/0: storing 2 in location 1028
 run/0: instruction interpolate/40
+run/0: {name: "result-idx", value: 8, type: 1, properties: ["result-idx": "integer"]} <- add {name: "result-idx", value: 8, type: 1, properties: ["result-idx": "integer"]}, {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: ingredient 0 is result-idx
 mem/0: location 1022 is 8
 run/0: ingredient 1 is 1
 run/0: product 0 is 9
 mem/0: storing 9 in location 1022
 run/0: instruction interpolate/41
+run/0: loop {name: "", value: -8, type: , properties: ["": ]}
 run/0: ingredient 0 is -8
 run/0: jumping to instruction 34
 run/0: instruction interpolate/34
+run/0: {name: "arg-done?", value: 15, type: 3, properties: ["arg-done?": "boolean"]} <- greater-or-equal {name: "j", value: 14, type: 1, properties: ["j": "integer"]}, {name: "a-len", value: 6, type: 1, properties: ["a-len": "integer"]}
 run/0: ingredient 0 is j
 mem/0: location 1028 is 2
 run/0: ingredient 1 is a-len
@@ -650,10 +765,12 @@ mem/0: location 1020 is 3
 run/0: product 0 is 0
 mem/0: storing 0 in location 1029
 run/0: instruction interpolate/35
+run/0: break-if {name: "arg-done?", value: 15, type: 3, properties: ["arg-done?": "boolean"]}, {name: "", value: 6, type: , properties: ["": ]}
 mem/0: location 1029 is 0
 run/0: ingredient 0 is 0
 run/0: jump-if fell through
 run/0: instruction interpolate/36
+run/0: {name: "in", value: 11, type: 4, properties: ["in": "character"]} <- index {name: "a", value: 4, type: 2-5-4, properties: ["a": "address":"array":"character", "deref": ]}, {name: "j", value: 14, type: 1, properties: ["j": "integer"]}
 run/0: ingredient 0 is {name: "a", value: 4, type: 2-5-4, properties: ["a": "address":"array":"character", "deref": ]}
 mem/0: location 1018 is 1009
 run/0: ingredient 1 is {name: "j", value: 14, type: 1, properties: ["j": "integer"]}
@@ -664,6 +781,7 @@ mem/0: location 1012 is 99
 run/0: product 0 is 99
 mem/0: storing 99 in location 1025
 run/0: instruction interpolate/37
+run/0: {name: "out", value: 13, type: 2-4, properties: ["out": "address":"character"]} <- index-address {name: "result", value: 7, type: 2-5-4, properties: ["result": "address":"array":"character", "deref": ]}, {name: "result-idx", value: 8, type: 1, properties: ["result-idx": "integer"]}
 run/0: ingredient 0 is result
 mem/0: location 1021 is 1073
 run/0: ingredient 1 is {name: "result-idx", value: 8, type: 1, properties: ["result-idx": "integer"]}
@@ -672,26 +790,31 @@ run/0: address to copy is 1083
 run/0: product 0 is 1083
 mem/0: storing 1083 in location 1027
 run/0: instruction interpolate/38
+run/0: {name: "out", value: 13, type: 2-4, properties: ["out": "address":"character", "deref": ]} <- copy {name: "in", value: 11, type: 4, properties: ["in": "character"]}
 run/0: ingredient 0 is in
 mem/0: location 1025 is 99
 mem/0: location 1027 is 1083
 mem/0: storing 99 in location 1083
 run/0: instruction interpolate/39
+run/0: {name: "j", value: 14, type: 1, properties: ["j": "integer"]} <- add {name: "j", value: 14, type: 1, properties: ["j": "integer"]}, {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: ingredient 0 is j
 mem/0: location 1028 is 2
 run/0: ingredient 1 is 1
 run/0: product 0 is 3
 mem/0: storing 3 in location 1028
 run/0: instruction interpolate/40
+run/0: {name: "result-idx", value: 8, type: 1, properties: ["result-idx": "integer"]} <- add {name: "result-idx", value: 8, type: 1, properties: ["result-idx": "integer"]}, {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: ingredient 0 is result-idx
 mem/0: location 1022 is 9
 run/0: ingredient 1 is 1
 run/0: product 0 is 10
 mem/0: storing 10 in location 1022
 run/0: instruction interpolate/41
+run/0: loop {name: "", value: -8, type: , properties: ["": ]}
 run/0: ingredient 0 is -8
 run/0: jumping to instruction 34
 run/0: instruction interpolate/34
+run/0: {name: "arg-done?", value: 15, type: 3, properties: ["arg-done?": "boolean"]} <- greater-or-equal {name: "j", value: 14, type: 1, properties: ["j": "integer"]}, {name: "a-len", value: 6, type: 1, properties: ["a-len": "integer"]}
 run/0: ingredient 0 is j
 mem/0: location 1028 is 3
 run/0: ingredient 1 is a-len
@@ -699,27 +822,33 @@ mem/0: location 1020 is 3
 run/0: product 0 is 1
 mem/0: storing 1 in location 1029
 run/0: instruction interpolate/35
+run/0: break-if {name: "arg-done?", value: 15, type: 3, properties: ["arg-done?": "boolean"]}, {name: "", value: 6, type: , properties: ["": ]}
 mem/0: location 1029 is 1
 run/0: ingredient 0 is 1
 run/0: ingredient 1 is 
 run/0: jumping to instruction 42
 run/0: instruction interpolate/43
+run/0: {name: "i", value: 9, type: 1, properties: ["i": "integer"]} <- add {name: "i", value: 9, type: 1, properties: ["i": "integer"]}, {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: ingredient 0 is i
 mem/0: location 1023 is 7
 run/0: ingredient 1 is 1
 run/0: product 0 is 8
 mem/0: storing 8 in location 1023
 run/0: instruction interpolate/44
+run/0: loop {name: "", value: -27, type: , properties: ["": ]}
 run/0: ingredient 0 is -27
 run/0: jumping to instruction 18
 run/0: instruction interpolate/18
+run/0: {name: "a", value: 4, type: 2-5-4, properties: ["a": "address":"array":"character"]}, {name: "arg-received?", value: 5, type: 3, properties: ["arg-received?": "boolean"]} <- next-ingredient 
 mem/0: storing 0 in location 1019
 run/0: instruction interpolate/19
+run/0: break-unless {name: "arg-received?", value: 5, type: 3, properties: ["arg-received?": "boolean"]}, {name: "", value: 25, type: , properties: ["": ]}
 mem/0: location 1019 is 0
 run/0: ingredient 0 is 0
 run/0: ingredient 1 is 
 run/0: jumping to instruction 45
 run/0: instruction interpolate/47
+run/0: {name: "tem-done?", value: 10, type: 3, properties: ["tem-done?": "boolean"]} <- greater-or-equal {name: "i", value: 9, type: 1, properties: ["i": "integer"]}, {name: "tem-len", value: 2, type: 1, properties: ["tem-len": "integer"]}
 run/0: ingredient 0 is i
 mem/0: location 1023 is 8
 run/0: ingredient 1 is tem-len
@@ -727,15 +856,18 @@ mem/0: location 1016 is 8
 run/0: product 0 is 1
 mem/0: storing 1 in location 1024
 run/0: instruction interpolate/48
+run/0: break-if {name: "tem-done?", value: 10, type: 3, properties: ["tem-done?": "boolean"]}, {name: "", value: 6, type: , properties: ["": ]}
 mem/0: location 1024 is 1
 run/0: ingredient 0 is 1
 run/0: ingredient 1 is 
 run/0: jumping to instruction 55
 run/0: instruction interpolate/56
+run/0: reply {name: "result", value: 7, type: 2-5-4, properties: ["result": "address":"array":"character"]}
 mem/0: location 1021 is 1073
 run/0: result 0 is 1073
 mem/0: storing 1073 in location 3
 run/0: instruction test-interpolate-at-end/3
+run/0: {name: "4", value: 4, type: 5-4, properties: ["4": "array":"character", "raw": ]} <- copy {name: "3", value: 3, type: 2-5-4, properties: ["3": "address":"array":"character", "raw": , "deref": ]}
 run/0: ingredient 0 is 3
 mem/0: location 3 is 1073
 mem/0: location 1073 is 10
diff --git a/cpp/.traces/interpolate-at-start b/cpp/.traces/interpolate-at-start
index f30ef81f..75c4420b 100644
--- a/cpp/.traces/interpolate-at-start
+++ b/cpp/.traces/interpolate-at-start
@@ -21,37 +21,48 @@ after-brace/0: copy ...
 new/0: routine allocated memory from 1000 to 101000
 schedule/0: test-interpolate-at-start
 run/0: instruction test-interpolate-at-start/0
+run/0: {name: "1", value: 1, type: 2-5-4, properties: ["1": "address":"array":"character", "raw": ]} <- new {name: "_, hello!", value: 0, type: 0, properties: ["_, hello!": "literal-string"]}
 mem/0: storing 1000 in location 1
 run/0: instruction test-interpolate-at-start/1
+run/0: {name: "2", value: 2, type: 2-5-4, properties: ["2": "address":"array":"character", "raw": ]} <- new {name: "abc", value: 0, type: 0, properties: ["abc": "literal-string"]}
 mem/0: storing 1010 in location 2
 run/0: instruction test-interpolate-at-start/2
+run/0: {name: "3", value: 3, type: 2-5-4, properties: ["3": "address":"array":"character", "raw": ]} <- interpolate {name: "1", value: 1, type: 2-5-4, properties: ["1": "address":"array":"character", "raw": ]}, {name: "2", value: 2, type: 2-5-4, properties: ["2": "address":"array":"character", "raw": ]}
 mem/0: location 1 is 1000
 mem/0: location 2 is 1010
 run/0: instruction interpolate/0
+run/0: {name: "default-space", value: 0, type: 5-2-1, properties: ["default-space": "array":"address":"location"]} <- new {name: "location", value: 1, type: 0, properties: ["location": "type"]}, {name: "60", value: 60, type: 0, properties: ["60": "literal"]}
 mem/0: array size is 60
 mem/0: new alloc: 1014
 run/0: instruction interpolate/1
+run/0: {name: "template", value: 1, type: 2-5-4, properties: ["template": "address":"array":"character"]} <- next-ingredient 
 run/0: product 0 is 1000
 mem/0: storing 1000 in location 1016
 run/0: instruction interpolate/2
+run/0: {name: "tem-len", value: 2, type: 1, properties: ["tem-len": "integer"]} <- length {name: "template", value: 1, type: 2-5-4, properties: ["template": "address":"array":"character", "deref": ]}
 mem/0: location 1016 is 1000
 mem/0: storing 9 in location 1017
 run/0: instruction interpolate/3
+run/0: {name: "result-len", value: 3, type: 1, properties: ["result-len": "integer"]} <- copy {name: "tem-len", value: 2, type: 1, properties: ["tem-len": "integer"]}
 run/0: ingredient 0 is tem-len
 mem/0: location 1017 is 9
 mem/0: storing 9 in location 1018
 run/0: instruction interpolate/5
+run/0: {name: "a", value: 4, type: 2-5-4, properties: ["a": "address":"array":"character"]}, {name: "arg-received?", value: 5, type: 3, properties: ["arg-received?": "boolean"]} <- next-ingredient 
 run/0: product 0 is 1010
 mem/0: storing 1010 in location 1019
 mem/0: storing 1 in location 1020
 run/0: instruction interpolate/6
+run/0: break-unless {name: "arg-received?", value: 5, type: 3, properties: ["arg-received?": "boolean"]}, {name: "", value: 4, type: , properties: ["": ]}
 mem/0: location 1020 is 1
 run/0: ingredient 0 is 1
 run/0: jump-unless fell through
 run/0: instruction interpolate/7
+run/0: {name: "a-len", value: 6, type: 1, properties: ["a-len": "integer"]} <- length {name: "a", value: 4, type: 2-5-4, properties: ["a": "address":"array":"character", "deref": ]}
 mem/0: location 1019 is 1010
 mem/0: storing 3 in location 1021
 run/0: instruction interpolate/8
+run/0: {name: "result-len", value: 3, type: 1, properties: ["result-len": "integer"]} <- add {name: "result-len", value: 3, type: 1, properties: ["result-len": "integer"]}, {name: "a-len", value: 6, type: 1, properties: ["a-len": "integer"]}
 run/0: ingredient 0 is result-len
 mem/0: location 1018 is 9
 run/0: ingredient 1 is a-len
@@ -59,44 +70,56 @@ mem/0: location 1021 is 3
 run/0: product 0 is 12
 mem/0: storing 12 in location 1018
 run/0: instruction interpolate/9
+run/0: {name: "result-len", value: 3, type: 1, properties: ["result-len": "integer"]} <- subtract {name: "result-len", value: 3, type: 1, properties: ["result-len": "integer"]}, {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: ingredient 0 is result-len
 mem/0: location 1018 is 12
 run/0: ingredient 1 is 1
 run/0: product 0 is 11
 mem/0: storing 11 in location 1018
 run/0: instruction interpolate/10
+run/0: loop {name: "", value: -6, type: , properties: ["": ]}
 run/0: ingredient 0 is -6
 run/0: jumping to instruction 5
 run/0: instruction interpolate/5
+run/0: {name: "a", value: 4, type: 2-5-4, properties: ["a": "address":"array":"character"]}, {name: "arg-received?", value: 5, type: 3, properties: ["arg-received?": "boolean"]} <- next-ingredient 
 mem/0: storing 0 in location 1020
 run/0: instruction interpolate/6
+run/0: break-unless {name: "arg-received?", value: 5, type: 3, properties: ["arg-received?": "boolean"]}, {name: "", value: 4, type: , properties: ["": ]}
 mem/0: location 1020 is 0
 run/0: ingredient 0 is 0
 run/0: ingredient 1 is 
 run/0: jumping to instruction 11
 run/0: instruction interpolate/12
+run/0: rewind-ingredients 
 run/0: instruction interpolate/13
+run/0: {name: "_", value: 0, type: 0, properties: ["_": "dummy"]} <- next-ingredient 
 run/0: product 0 is 1000
 run/0: instruction interpolate/14
+run/0: {name: "result", value: 7, type: 2-5-4, properties: ["result": "address":"array":"character"]} <- new {name: "character", value: 4, type: 0, properties: ["character": "type"]}, {name: "result-len", value: 3, type: 1, properties: ["result-len": "integer"]}
 mem/0: location 1018 is 11
 mem/0: array size is 11
 mem/0: new alloc: 1074
 mem/0: storing 1074 in location 1022
 run/0: instruction interpolate/15
+run/0: {name: "result-idx", value: 8, type: 1, properties: ["result-idx": "integer"]} <- copy {name: "0", value: 0, type: 0, properties: ["0": "literal"]}
 run/0: ingredient 0 is 0
 mem/0: storing 0 in location 1023
 run/0: instruction interpolate/16
+run/0: {name: "i", value: 9, type: 1, properties: ["i": "integer"]} <- copy {name: "0", value: 0, type: 0, properties: ["0": "literal"]}
 run/0: ingredient 0 is 0
 mem/0: storing 0 in location 1024
 run/0: instruction interpolate/18
+run/0: {name: "a", value: 4, type: 2-5-4, properties: ["a": "address":"array":"character"]}, {name: "arg-received?", value: 5, type: 3, properties: ["arg-received?": "boolean"]} <- next-ingredient 
 run/0: product 0 is 1010
 mem/0: storing 1010 in location 1019
 mem/0: storing 1 in location 1020
 run/0: instruction interpolate/19
+run/0: break-unless {name: "arg-received?", value: 5, type: 3, properties: ["arg-received?": "boolean"]}, {name: "", value: 25, type: , properties: ["": ]}
 mem/0: location 1020 is 1
 run/0: ingredient 0 is 1
 run/0: jump-unless fell through
 run/0: instruction interpolate/21
+run/0: {name: "tem-done?", value: 10, type: 3, properties: ["tem-done?": "boolean"]} <- greater-or-equal {name: "i", value: 9, type: 1, properties: ["i": "integer"]}, {name: "tem-len", value: 2, type: 1, properties: ["tem-len": "integer"]}
 run/0: ingredient 0 is i
 mem/0: location 1024 is 0
 run/0: ingredient 1 is tem-len
@@ -104,10 +127,12 @@ mem/0: location 1017 is 9
 run/0: product 0 is 0
 mem/0: storing 0 in location 1025
 run/0: instruction interpolate/22
+run/0: break-if {name: "tem-done?", value: 10, type: 3, properties: ["tem-done?": "boolean"]}, {name: "2", value: 2, type: 0, properties: ["2": "blocks"]}
 mem/0: location 1025 is 0
 run/0: ingredient 0 is 0
 run/0: jump-if fell through
 run/0: instruction interpolate/23
+run/0: {name: "in", value: 11, type: 4, properties: ["in": "character"]} <- index {name: "template", value: 1, type: 2-5-4, properties: ["template": "address":"array":"character", "deref": ]}, {name: "i", value: 9, type: 1, properties: ["i": "integer"]}
 run/0: ingredient 0 is {name: "template", value: 1, type: 2-5-4, properties: ["template": "address":"array":"character", "deref": ]}
 mem/0: location 1016 is 1000
 run/0: ingredient 1 is {name: "i", value: 9, type: 1, properties: ["i": "integer"]}
@@ -118,20 +143,24 @@ mem/0: location 1001 is 95
 run/0: product 0 is 95
 mem/0: storing 95 in location 1026
 run/0: instruction interpolate/24
+run/0: {name: "underscore?", value: 12, type: 3, properties: ["underscore?": "boolean"]} <- equal {name: "in", value: 11, type: 4, properties: ["in": "character"]}, {name: "95", value: 95, type: 0, properties: ["95": "literal"]}
 run/0: ingredient 0 is in
 mem/0: location 1026 is 95
 run/0: ingredient 1 is 95
 run/0: product 0 is 1
 mem/0: storing 1 in location 1027
 run/0: instruction interpolate/25
+run/0: break-if {name: "underscore?", value: 12, type: 3, properties: ["underscore?": "boolean"]}, {name: "", value: 5, type: , properties: ["": ]}
 mem/0: location 1027 is 1
 run/0: ingredient 0 is 1
 run/0: ingredient 1 is 
 run/0: jumping to instruction 31
 run/0: instruction interpolate/32
+run/0: {name: "j", value: 14, type: 1, properties: ["j": "integer"]} <- copy {name: "0", value: 0, type: 0, properties: ["0": "literal"]}
 run/0: ingredient 0 is 0
 mem/0: storing 0 in location 1029
 run/0: instruction interpolate/34
+run/0: {name: "arg-done?", value: 15, type: 3, properties: ["arg-done?": "boolean"]} <- greater-or-equal {name: "j", value: 14, type: 1, properties: ["j": "integer"]}, {name: "a-len", value: 6, type: 1, properties: ["a-len": "integer"]}
 run/0: ingredient 0 is j
 mem/0: location 1029 is 0
 run/0: ingredient 1 is a-len
@@ -139,10 +168,12 @@ mem/0: location 1021 is 3
 run/0: product 0 is 0
 mem/0: storing 0 in location 1030
 run/0: instruction interpolate/35
+run/0: break-if {name: "arg-done?", value: 15, type: 3, properties: ["arg-done?": "boolean"]}, {name: "", value: 6, type: , properties: ["": ]}
 mem/0: location 1030 is 0
 run/0: ingredient 0 is 0
 run/0: jump-if fell through
 run/0: instruction interpolate/36
+run/0: {name: "in", value: 11, type: 4, properties: ["in": "character"]} <- index {name: "a", value: 4, type: 2-5-4, properties: ["a": "address":"array":"character", "deref": ]}, {name: "j", value: 14, type: 1, properties: ["j": "integer"]}
 run/0: ingredient 0 is {name: "a", value: 4, type: 2-5-4, properties: ["a": "address":"array":"character", "deref": ]}
 mem/0: location 1019 is 1010
 run/0: ingredient 1 is {name: "j", value: 14, type: 1, properties: ["j": "integer"]}
@@ -153,6 +184,7 @@ mem/0: location 1011 is 97
 run/0: product 0 is 97
 mem/0: storing 97 in location 1026
 run/0: instruction interpolate/37
+run/0: {name: "out", value: 13, type: 2-4, properties: ["out": "address":"character"]} <- index-address {name: "result", value: 7, type: 2-5-4, properties: ["result": "address":"array":"character", "deref": ]}, {name: "result-idx", value: 8, type: 1, properties: ["result-idx": "integer"]}
 run/0: ingredient 0 is result
 mem/0: location 1022 is 1074
 run/0: ingredient 1 is {name: "result-idx", value: 8, type: 1, properties: ["result-idx": "integer"]}
@@ -161,26 +193,31 @@ run/0: address to copy is 1075
 run/0: product 0 is 1075
 mem/0: storing 1075 in location 1028
 run/0: instruction interpolate/38
+run/0: {name: "out", value: 13, type: 2-4, properties: ["out": "address":"character", "deref": ]} <- copy {name: "in", value: 11, type: 4, properties: ["in": "character"]}
 run/0: ingredient 0 is in
 mem/0: location 1026 is 97
 mem/0: location 1028 is 1075
 mem/0: storing 97 in location 1075
 run/0: instruction interpolate/39
+run/0: {name: "j", value: 14, type: 1, properties: ["j": "integer"]} <- add {name: "j", value: 14, type: 1, properties: ["j": "integer"]}, {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: ingredient 0 is j
 mem/0: location 1029 is 0
 run/0: ingredient 1 is 1
 run/0: product 0 is 1
 mem/0: storing 1 in location 1029
 run/0: instruction interpolate/40
+run/0: {name: "result-idx", value: 8, type: 1, properties: ["result-idx": "integer"]} <- add {name: "result-idx", value: 8, type: 1, properties: ["result-idx": "integer"]}, {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: ingredient 0 is result-idx
 mem/0: location 1023 is 0
 run/0: ingredient 1 is 1
 run/0: product 0 is 1
 mem/0: storing 1 in location 1023
 run/0: instruction interpolate/41
+run/0: loop {name: "", value: -8, type: , properties: ["": ]}
 run/0: ingredient 0 is -8
 run/0: jumping to instruction 34
 run/0: instruction interpolate/34
+run/0: {name: "arg-done?", value: 15, type: 3, properties: ["arg-done?": "boolean"]} <- greater-or-equal {name: "j", value: 14, type: 1, properties: ["j": "integer"]}, {name: "a-len", value: 6, type: 1, properties: ["a-len": "integer"]}
 run/0: ingredient 0 is j
 mem/0: location 1029 is 1
 run/0: ingredient 1 is a-len
@@ -188,10 +225,12 @@ mem/0: location 1021 is 3
 run/0: product 0 is 0
 mem/0: storing 0 in location 1030
 run/0: instruction interpolate/35
+run/0: break-if {name: "arg-done?", value: 15, type: 3, properties: ["arg-done?": "boolean"]}, {name: "", value: 6, type: , properties: ["": ]}
 mem/0: location 1030 is 0
 run/0: ingredient 0 is 0
 run/0: jump-if fell through
 run/0: instruction interpolate/36
+run/0: {name: "in", value: 11, type: 4, properties: ["in": "character"]} <- index {name: "a", value: 4, type: 2-5-4, properties: ["a": "address":"array":"character", "deref": ]}, {name: "j", value: 14, type: 1, properties: ["j": "integer"]}
 run/0: ingredient 0 is {name: "a", value: 4, type: 2-5-4, properties: ["a": "address":"array":"character", "deref": ]}
 mem/0: location 1019 is 1010
 run/0: ingredient 1 is {name: "j", value: 14, type: 1, properties: ["j": "integer"]}
@@ -202,6 +241,7 @@ mem/0: location 1012 is 98
 run/0: product 0 is 98
 mem/0: storing 98 in location 1026
 run/0: instruction interpolate/37
+run/0: {name: "out", value: 13, type: 2-4, properties: ["out": "address":"character"]} <- index-address {name: "result", value: 7, type: 2-5-4, properties: ["result": "address":"array":"character", "deref": ]}, {name: "result-idx", value: 8, type: 1, properties: ["result-idx": "integer"]}
 run/0: ingredient 0 is result
 mem/0: location 1022 is 1074
 run/0: ingredient 1 is {name: "result-idx", value: 8, type: 1, properties: ["result-idx": "integer"]}
@@ -210,26 +250,31 @@ run/0: address to copy is 1076
 run/0: product 0 is 1076
 mem/0: storing 1076 in location 1028
 run/0: instruction interpolate/38
+run/0: {name: "out", value: 13, type: 2-4, properties: ["out": "address":"character", "deref": ]} <- copy {name: "in", value: 11, type: 4, properties: ["in": "character"]}
 run/0: ingredient 0 is in
 mem/0: location 1026 is 98
 mem/0: location 1028 is 1076
 mem/0: storing 98 in location 1076
 run/0: instruction interpolate/39
+run/0: {name: "j", value: 14, type: 1, properties: ["j": "integer"]} <- add {name: "j", value: 14, type: 1, properties: ["j": "integer"]}, {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: ingredient 0 is j
 mem/0: location 1029 is 1
 run/0: ingredient 1 is 1
 run/0: product 0 is 2
 mem/0: storing 2 in location 1029
 run/0: instruction interpolate/40
+run/0: {name: "result-idx", value: 8, type: 1, properties: ["result-idx": "integer"]} <- add {name: "result-idx", value: 8, type: 1, properties: ["result-idx": "integer"]}, {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: ingredient 0 is result-idx
 mem/0: location 1023 is 1
 run/0: ingredient 1 is 1
 run/0: product 0 is 2
 mem/0: storing 2 in location 1023
 run/0: instruction interpolate/41
+run/0: loop {name: "", value: -8, type: , properties: ["": ]}
 run/0: ingredient 0 is -8
 run/0: jumping to instruction 34
 run/0: instruction interpolate/34
+run/0: {name: "arg-done?", value: 15, type: 3, properties: ["arg-done?": "boolean"]} <- greater-or-equal {name: "j", value: 14, type: 1, properties: ["j": "integer"]}, {name: "a-len", value: 6, type: 1, properties: ["a-len": "integer"]}
 run/0: ingredient 0 is j
 mem/0: location 1029 is 2
 run/0: ingredient 1 is a-len
@@ -237,10 +282,12 @@ mem/0: location 1021 is 3
 run/0: product 0 is 0
 mem/0: storing 0 in location 1030
 run/0: instruction interpolate/35
+run/0: break-if {name: "arg-done?", value: 15, type: 3, properties: ["arg-done?": "boolean"]}, {name: "", value: 6, type: , properties: ["": ]}
 mem/0: location 1030 is 0
 run/0: ingredient 0 is 0
 run/0: jump-if fell through
 run/0: instruction interpolate/36
+run/0: {name: "in", value: 11, type: 4, properties: ["in": "character"]} <- index {name: "a", value: 4, type: 2-5-4, properties: ["a": "address":"array":"character", "deref": ]}, {name: "j", value: 14, type: 1, properties: ["j": "integer"]}
 run/0: ingredient 0 is {name: "a", value: 4, type: 2-5-4, properties: ["a": "address":"array":"character", "deref": ]}
 mem/0: location 1019 is 1010
 run/0: ingredient 1 is {name: "j", value: 14, type: 1, properties: ["j": "integer"]}
@@ -251,6 +298,7 @@ mem/0: location 1013 is 99
 run/0: product 0 is 99
 mem/0: storing 99 in location 1026
 run/0: instruction interpolate/37
+run/0: {name: "out", value: 13, type: 2-4, properties: ["out": "address":"character"]} <- index-address {name: "result", value: 7, type: 2-5-4, properties: ["result": "address":"array":"character", "deref": ]}, {name: "result-idx", value: 8, type: 1, properties: ["result-idx": "integer"]}
 run/0: ingredient 0 is result
 mem/0: location 1022 is 1074
 run/0: ingredient 1 is {name: "result-idx", value: 8, type: 1, properties: ["result-idx": "integer"]}
@@ -259,26 +307,31 @@ run/0: address to copy is 1077
 run/0: product 0 is 1077
 mem/0: storing 1077 in location 1028
 run/0: instruction interpolate/38
+run/0: {name: "out", value: 13, type: 2-4, properties: ["out": "address":"character", "deref": ]} <- copy {name: "in", value: 11, type: 4, properties: ["in": "character"]}
 run/0: ingredient 0 is in
 mem/0: location 1026 is 99
 mem/0: location 1028 is 1077
 mem/0: storing 99 in location 1077
 run/0: instruction interpolate/39
+run/0: {name: "j", value: 14, type: 1, properties: ["j": "integer"]} <- add {name: "j", value: 14, type: 1, properties: ["j": "integer"]}, {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: ingredient 0 is j
 mem/0: location 1029 is 2
 run/0: ingredient 1 is 1
 run/0: product 0 is 3
 mem/0: storing 3 in location 1029
 run/0: instruction interpolate/40
+run/0: {name: "result-idx", value: 8, type: 1, properties: ["result-idx": "integer"]} <- add {name: "result-idx", value: 8, type: 1, properties: ["result-idx": "integer"]}, {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: ingredient 0 is result-idx
 mem/0: location 1023 is 2
 run/0: ingredient 1 is 1
 run/0: product 0 is 3
 mem/0: storing 3 in location 1023
 run/0: instruction interpolate/41
+run/0: loop {name: "", value: -8, type: , properties: ["": ]}
 run/0: ingredient 0 is -8
 run/0: jumping to instruction 34
 run/0: instruction interpolate/34
+run/0: {name: "arg-done?", value: 15, type: 3, properties: ["arg-done?": "boolean"]} <- greater-or-equal {name: "j", value: 14, type: 1, properties: ["j": "integer"]}, {name: "a-len", value: 6, type: 1, properties: ["a-len": "integer"]}
 run/0: ingredient 0 is j
 mem/0: location 1029 is 3
 run/0: ingredient 1 is a-len
@@ -286,27 +339,33 @@ mem/0: location 1021 is 3
 run/0: product 0 is 1
 mem/0: storing 1 in location 1030
 run/0: instruction interpolate/35
+run/0: break-if {name: "arg-done?", value: 15, type: 3, properties: ["arg-done?": "boolean"]}, {name: "", value: 6, type: , properties: ["": ]}
 mem/0: location 1030 is 1
 run/0: ingredient 0 is 1
 run/0: ingredient 1 is 
 run/0: jumping to instruction 42
 run/0: instruction interpolate/43
+run/0: {name: "i", value: 9, type: 1, properties: ["i": "integer"]} <- add {name: "i", value: 9, type: 1, properties: ["i": "integer"]}, {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: ingredient 0 is i
 mem/0: location 1024 is 0
 run/0: ingredient 1 is 1
 run/0: product 0 is 1
 mem/0: storing 1 in location 1024
 run/0: instruction interpolate/44
+run/0: loop {name: "", value: -27, type: , properties: ["": ]}
 run/0: ingredient 0 is -27
 run/0: jumping to instruction 18
 run/0: instruction interpolate/18
+run/0: {name: "a", value: 4, type: 2-5-4, properties: ["a": "address":"array":"character"]}, {name: "arg-received?", value: 5, type: 3, properties: ["arg-received?": "boolean"]} <- next-ingredient 
 mem/0: storing 0 in location 1020
 run/0: instruction interpolate/19
+run/0: break-unless {name: "arg-received?", value: 5, type: 3, properties: ["arg-received?": "boolean"]}, {name: "", value: 25, type: , properties: ["": ]}
 mem/0: location 1020 is 0
 run/0: ingredient 0 is 0
 run/0: ingredient 1 is 
 run/0: jumping to instruction 45
 run/0: instruction interpolate/47
+run/0: {name: "tem-done?", value: 10, type: 3, properties: ["tem-done?": "boolean"]} <- greater-or-equal {name: "i", value: 9, type: 1, properties: ["i": "integer"]}, {name: "tem-len", value: 2, type: 1, properties: ["tem-len": "integer"]}
 run/0: ingredient 0 is i
 mem/0: location 1024 is 1
 run/0: ingredient 1 is tem-len
@@ -314,10 +373,12 @@ mem/0: location 1017 is 9
 run/0: product 0 is 0
 mem/0: storing 0 in location 1025
 run/0: instruction interpolate/48
+run/0: break-if {name: "tem-done?", value: 10, type: 3, properties: ["tem-done?": "boolean"]}, {name: "", value: 6, type: , properties: ["": ]}
 mem/0: location 1025 is 0
 run/0: ingredient 0 is 0
 run/0: jump-if fell through
 run/0: instruction interpolate/49
+run/0: {name: "in", value: 11, type: 4, properties: ["in": "character"]} <- index {name: "template", value: 1, type: 2-5-4, properties: ["template": "address":"array":"character", "deref": ]}, {name: "i", value: 9, type: 1, properties: ["i": "integer"]}
 run/0: ingredient 0 is {name: "template", value: 1, type: 2-5-4, properties: ["template": "address":"array":"character", "deref": ]}
 mem/0: location 1016 is 1000
 run/0: ingredient 1 is {name: "i", value: 9, type: 1, properties: ["i": "integer"]}
@@ -328,6 +389,7 @@ mem/0: location 1002 is 44
 run/0: product 0 is 44
 mem/0: storing 44 in location 1026
 run/0: instruction interpolate/50
+run/0: {name: "out", value: 13, type: 2-4, properties: ["out": "address":"character"]} <- index-address {name: "result", value: 7, type: 2-5-4, properties: ["result": "address":"array":"character", "deref": ]}, {name: "result-idx", value: 8, type: 1, properties: ["result-idx": "integer"]}
 run/0: ingredient 0 is result
 mem/0: location 1022 is 1074
 run/0: ingredient 1 is {name: "result-idx", value: 8, type: 1, properties: ["result-idx": "integer"]}
@@ -336,26 +398,31 @@ run/0: address to copy is 1078
 run/0: product 0 is 1078
 mem/0: storing 1078 in location 1028
 run/0: instruction interpolate/51
+run/0: {name: "out", value: 13, type: 2-4, properties: ["out": "address":"character", "deref": ]} <- copy {name: "in", value: 11, type: 4, properties: ["in": "character"]}
 run/0: ingredient 0 is in
 mem/0: location 1026 is 44
 mem/0: location 1028 is 1078
 mem/0: storing 44 in location 1078
 run/0: instruction interpolate/52
+run/0: {name: "i", value: 9, type: 1, properties: ["i": "integer"]} <- add {name: "i", value: 9, type: 1, properties: ["i": "integer"]}, {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: ingredient 0 is i
 mem/0: location 1024 is 1
 run/0: ingredient 1 is 1
 run/0: product 0 is 2
 mem/0: storing 2 in location 1024
 run/0: instruction interpolate/53
+run/0: {name: "result-idx", value: 8, type: 1, properties: ["result-idx": "integer"]} <- add {name: "result-idx", value: 8, type: 1, properties: ["result-idx": "integer"]}, {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: ingredient 0 is result-idx
 mem/0: location 1023 is 3
 run/0: ingredient 1 is 1
 run/0: product 0 is 4
 mem/0: storing 4 in location 1023
 run/0: instruction interpolate/54
+run/0: loop {name: "", value: -8, type: , properties: ["": ]}
 run/0: ingredient 0 is -8
 run/0: jumping to instruction 47
 run/0: instruction interpolate/47
+run/0: {name: "tem-done?", value: 10, type: 3, properties: ["tem-done?": "boolean"]} <- greater-or-equal {name: "i", value: 9, type: 1, properties: ["i": "integer"]}, {name: "tem-len", value: 2, type: 1, properties: ["tem-len": "integer"]}
 run/0: ingredient 0 is i
 mem/0: location 1024 is 2
 run/0: ingredient 1 is tem-len
@@ -363,10 +430,12 @@ mem/0: location 1017 is 9
 run/0: product 0 is 0
 mem/0: storing 0 in location 1025
 run/0: instruction interpolate/48
+run/0: break-if {name: "tem-done?", value: 10, type: 3, properties: ["tem-done?": "boolean"]}, {name: "", value: 6, type: , properties: ["": ]}
 mem/0: location 1025 is 0
 run/0: ingredient 0 is 0
 run/0: jump-if fell through
 run/0: instruction interpolate/49
+run/0: {name: "in", value: 11, type: 4, properties: ["in": "character"]} <- index {name: "template", value: 1, type: 2-5-4, properties: ["template": "address":"array":"character", "deref": ]}, {name: "i", value: 9, type: 1, properties: ["i": "integer"]}
 run/0: ingredient 0 is {name: "template", value: 1, type: 2-5-4, properties: ["template": "address":"array":"character", "deref": ]}
 mem/0: location 1016 is 1000
 run/0: ingredient 1 is {name: "i", value: 9, type: 1, properties: ["i": "integer"]}
@@ -377,6 +446,7 @@ mem/0: location 1003 is 32
 run/0: product 0 is 32
 mem/0: storing 32 in location 1026
 run/0: instruction interpolate/50
+run/0: {name: "out", value: 13, type: 2-4, properties: ["out": "address":"character"]} <- index-address {name: "result", value: 7, type: 2-5-4, properties: ["result": "address":"array":"character", "deref": ]}, {name: "result-idx", value: 8, type: 1, properties: ["result-idx": "integer"]}
 run/0: ingredient 0 is result
 mem/0: location 1022 is 1074
 run/0: ingredient 1 is {name: "result-idx", value: 8, type: 1, properties: ["result-idx": "integer"]}
@@ -385,26 +455,31 @@ run/0: address to copy is 1079
 run/0: product 0 is 1079
 mem/0: storing 1079 in location 1028
 run/0: instruction interpolate/51
+run/0: {name: "out", value: 13, type: 2-4, properties: ["out": "address":"character", "deref": ]} <- copy {name: "in", value: 11, type: 4, properties: ["in": "character"]}
 run/0: ingredient 0 is in
 mem/0: location 1026 is 32
 mem/0: location 1028 is 1079
 mem/0: storing 32 in location 1079
 run/0: instruction interpolate/52
+run/0: {name: "i", value: 9, type: 1, properties: ["i": "integer"]} <- add {name: "i", value: 9, type: 1, properties: ["i": "integer"]}, {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: ingredient 0 is i
 mem/0: location 1024 is 2
 run/0: ingredient 1 is 1
 run/0: product 0 is 3
 mem/0: storing 3 in location 1024
 run/0: instruction interpolate/53
+run/0: {name: "result-idx", value: 8, type: 1, properties: ["result-idx": "integer"]} <- add {name: "result-idx", value: 8, type: 1, properties: ["result-idx": "integer"]}, {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: ingredient 0 is result-idx
 mem/0: location 1023 is 4
 run/0: ingredient 1 is 1
 run/0: product 0 is 5
 mem/0: storing 5 in location 1023
 run/0: instruction interpolate/54
+run/0: loop {name: "", value: -8, type: , properties: ["": ]}
 run/0: ingredient 0 is -8
 run/0: jumping to instruction 47
 run/0: instruction interpolate/47
+run/0: {name: "tem-done?", value: 10, type: 3, properties: ["tem-done?": "boolean"]} <- greater-or-equal {name: "i", value: 9, type: 1, properties: ["i": "integer"]}, {name: "tem-len", value: 2, type: 1, properties: ["tem-len": "integer"]}
 run/0: ingredient 0 is i
 mem/0: location 1024 is 3
 run/0: ingredient 1 is tem-len
@@ -412,10 +487,12 @@ mem/0: location 1017 is 9
 run/0: product 0 is 0
 mem/0: storing 0 in location 1025
 run/0: instruction interpolate/48
+run/0: break-if {name: "tem-done?", value: 10, type: 3, properties: ["tem-done?": "boolean"]}, {name: "", value: 6, type: , properties: ["": ]}
 mem/0: location 1025 is 0
 run/0: ingredient 0 is 0
 run/0: jump-if fell through
 run/0: instruction interpolate/49
+run/0: {name: "in", value: 11, type: 4, properties: ["in": "character"]} <- index {name: "template", value: 1, type: 2-5-4, properties: ["template": "address":"array":"character", "deref": ]}, {name: "i", value: 9, type: 1, properties: ["i": "integer"]}
 run/0: ingredient 0 is {name: "template", value: 1, type: 2-5-4, properties: ["template": "address":"array":"character", "deref": ]}
 mem/0: location 1016 is 1000
 run/0: ingredient 1 is {name: "i", value: 9, type: 1, properties: ["i": "integer"]}
@@ -426,6 +503,7 @@ mem/0: location 1004 is 104
 run/0: product 0 is 104
 mem/0: storing 104 in location 1026
 run/0: instruction interpolate/50
+run/0: {name: "out", value: 13, type: 2-4, properties: ["out": "address":"character"]} <- index-address {name: "result", value: 7, type: 2-5-4, properties: ["result": "address":"array":"character", "deref": ]}, {name: "result-idx", value: 8, type: 1, properties: ["result-idx": "integer"]}
 run/0: ingredient 0 is result
 mem/0: location 1022 is 1074
 run/0: ingredient 1 is {name: "result-idx", value: 8, type: 1, properties: ["result-idx": "integer"]}
@@ -434,26 +512,31 @@ run/0: address to copy is 1080
 run/0: product 0 is 1080
 mem/0: storing 1080 in location 1028
 run/0: instruction interpolate/51
+run/0: {name: "out", value: 13, type: 2-4, properties: ["out": "address":"character", "deref": ]} <- copy {name: "in", value: 11, type: 4, properties: ["in": "character"]}
 run/0: ingredient 0 is in
 mem/0: location 1026 is 104
 mem/0: location 1028 is 1080
 mem/0: storing 104 in location 1080
 run/0: instruction interpolate/52
+run/0: {name: "i", value: 9, type: 1, properties: ["i": "integer"]} <- add {name: "i", value: 9, type: 1, properties: ["i": "integer"]}, {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: ingredient 0 is i
 mem/0: location 1024 is 3
 run/0: ingredient 1 is 1
 run/0: product 0 is 4
 mem/0: storing 4 in location 1024
 run/0: instruction interpolate/53
+run/0: {name: "result-idx", value: 8, type: 1, properties: ["result-idx": "integer"]} <- add {name: "result-idx", value: 8, type: 1, properties: ["result-idx": "integer"]}, {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: ingredient 0 is result-idx
 mem/0: location 1023 is 5
 run/0: ingredient 1 is 1
 run/0: product 0 is 6
 mem/0: storing 6 in location 1023
 run/0: instruction interpolate/54
+run/0: loop {name: "", value: -8, type: , properties: ["": ]}
 run/0: ingredient 0 is -8
 run/0: jumping to instruction 47
 run/0: instruction interpolate/47
+run/0: {name: "tem-done?", value: 10, type: 3, properties: ["tem-done?": "boolean"]} <- greater-or-equal {name: "i", value: 9, type: 1, properties: ["i": "integer"]}, {name: "tem-len", value: 2, type: 1, properties: ["tem-len": "integer"]}
 run/0: ingredient 0 is i
 mem/0: location 1024 is 4
 run/0: ingredient 1 is tem-len
@@ -461,10 +544,12 @@ mem/0: location 1017 is 9
 run/0: product 0 is 0
 mem/0: storing 0 in location 1025
 run/0: instruction interpolate/48
+run/0: break-if {name: "tem-done?", value: 10, type: 3, properties: ["tem-done?": "boolean"]}, {name: "", value: 6, type: , properties: ["": ]}
 mem/0: location 1025 is 0
 run/0: ingredient 0 is 0
 run/0: jump-if fell through
 run/0: instruction interpolate/49
+run/0: {name: "in", value: 11, type: 4, properties: ["in": "character"]} <- index {name: "template", value: 1, type: 2-5-4, properties: ["template": "address":"array":"character", "deref": ]}, {name: "i", value: 9, type: 1, properties: ["i": "integer"]}
 run/0: ingredient 0 is {name: "template", value: 1, type: 2-5-4, properties: ["template": "address":"array":"character", "deref": ]}
 mem/0: location 1016 is 1000
 run/0: ingredient 1 is {name: "i", value: 9, type: 1, properties: ["i": "integer"]}
@@ -475,6 +560,7 @@ mem/0: location 1005 is 101
 run/0: product 0 is 101
 mem/0: storing 101 in location 1026
 run/0: instruction interpolate/50
+run/0: {name: "out", value: 13, type: 2-4, properties: ["out": "address":"character"]} <- index-address {name: "result", value: 7, type: 2-5-4, properties: ["result": "address":"array":"character", "deref": ]}, {name: "result-idx", value: 8, type: 1, properties: ["result-idx": "integer"]}
 run/0: ingredient 0 is result
 mem/0: location 1022 is 1074
 run/0: ingredient 1 is {name: "result-idx", value: 8, type: 1, properties: ["result-idx": "integer"]}
@@ -483,26 +569,31 @@ run/0: address to copy is 1081
 run/0: product 0 is 1081
 mem/0: storing 1081 in location 1028
 run/0: instruction interpolate/51
+run/0: {name: "out", value: 13, type: 2-4, properties: ["out": "address":"character", "deref": ]} <- copy {name: "in", value: 11, type: 4, properties: ["in": "character"]}
 run/0: ingredient 0 is in
 mem/0: location 1026 is 101
 mem/0: location 1028 is 1081
 mem/0: storing 101 in location 1081
 run/0: instruction interpolate/52
+run/0: {name: "i", value: 9, type: 1, properties: ["i": "integer"]} <- add {name: "i", value: 9, type: 1, properties: ["i": "integer"]}, {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: ingredient 0 is i
 mem/0: location 1024 is 4
 run/0: ingredient 1 is 1
 run/0: product 0 is 5
 mem/0: storing 5 in location 1024
 run/0: instruction interpolate/53
+run/0: {name: "result-idx", value: 8, type: 1, properties: ["result-idx": "integer"]} <- add {name: "result-idx", value: 8, type: 1, properties: ["result-idx": "integer"]}, {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: ingredient 0 is result-idx
 mem/0: location 1023 is 6
 run/0: ingredient 1 is 1
 run/0: product 0 is 7
 mem/0: storing 7 in location 1023
 run/0: instruction interpolate/54
+run/0: loop {name: "", value: -8, type: , properties: ["": ]}
 run/0: ingredient 0 is -8
 run/0: jumping to instruction 47
 run/0: instruction interpolate/47
+run/0: {name: "tem-done?", value: 10, type: 3, properties: ["tem-done?": "boolean"]} <- greater-or-equal {name: "i", value: 9, type: 1, properties: ["i": "integer"]}, {name: "tem-len", value: 2, type: 1, properties: ["tem-len": "integer"]}
 run/0: ingredient 0 is i
 mem/0: location 1024 is 5
 run/0: ingredient 1 is tem-len
@@ -510,10 +601,12 @@ mem/0: location 1017 is 9
 run/0: product 0 is 0
 mem/0: storing 0 in location 1025
 run/0: instruction interpolate/48
+run/0: break-if {name: "tem-done?", value: 10, type: 3, properties: ["tem-done?": "boolean"]}, {name: "", value: 6, type: , properties: ["": ]}
 mem/0: location 1025 is 0
 run/0: ingredient 0 is 0
 run/0: jump-if fell through
 run/0: instruction interpolate/49
+run/0: {name: "in", value: 11, type: 4, properties: ["in": "character"]} <- index {name: "template", value: 1, type: 2-5-4, properties: ["template": "address":"array":"character", "deref": ]}, {name: "i", value: 9, type: 1, properties: ["i": "integer"]}
 run/0: ingredient 0 is {name: "template", value: 1, type: 2-5-4, properties: ["template": "address":"array":"character", "deref": ]}
 mem/0: location 1016 is 1000
 run/0: ingredient 1 is {name: "i", value: 9, type: 1, properties: ["i": "integer"]}
@@ -524,6 +617,7 @@ mem/0: location 1006 is 108
 run/0: product 0 is 108
 mem/0: storing 108 in location 1026
 run/0: instruction interpolate/50
+run/0: {name: "out", value: 13, type: 2-4, properties: ["out": "address":"character"]} <- index-address {name: "result", value: 7, type: 2-5-4, properties: ["result": "address":"array":"character", "deref": ]}, {name: "result-idx", value: 8, type: 1, properties: ["result-idx": "integer"]}
 run/0: ingredient 0 is result
 mem/0: location 1022 is 1074
 run/0: ingredient 1 is {name: "result-idx", value: 8, type: 1, properties: ["result-idx": "integer"]}
@@ -532,26 +626,31 @@ run/0: address to copy is 1082
 run/0: product 0 is 1082
 mem/0: storing 1082 in location 1028
 run/0: instruction interpolate/51
+run/0: {name: "out", value: 13, type: 2-4, properties: ["out": "address":"character", "deref": ]} <- copy {name: "in", value: 11, type: 4, properties: ["in": "character"]}
 run/0: ingredient 0 is in
 mem/0: location 1026 is 108
 mem/0: location 1028 is 1082
 mem/0: storing 108 in location 1082
 run/0: instruction interpolate/52
+run/0: {name: "i", value: 9, type: 1, properties: ["i": "integer"]} <- add {name: "i", value: 9, type: 1, properties: ["i": "integer"]}, {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: ingredient 0 is i
 mem/0: location 1024 is 5
 run/0: ingredient 1 is 1
 run/0: product 0 is 6
 mem/0: storing 6 in location 1024
 run/0: instruction interpolate/53
+run/0: {name: "result-idx", value: 8, type: 1, properties: ["result-idx": "integer"]} <- add {name: "result-idx", value: 8, type: 1, properties: ["result-idx": "integer"]}, {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: ingredient 0 is result-idx
 mem/0: location 1023 is 7
 run/0: ingredient 1 is 1
 run/0: product 0 is 8
 mem/0: storing 8 in location 1023
 run/0: instruction interpolate/54
+run/0: loop {name: "", value: -8, type: , properties: ["": ]}
 run/0: ingredient 0 is -8
 run/0: jumping to instruction 47
 run/0: instruction interpolate/47
+run/0: {name: "tem-done?", value: 10, type: 3, properties: ["tem-done?": "boolean"]} <- greater-or-equal {name: "i", value: 9, type: 1, properties: ["i": "integer"]}, {name: "tem-len", value: 2, type: 1, properties: ["tem-len": "integer"]}
 run/0: ingredient 0 is i
 mem/0: location 1024 is 6
 run/0: ingredient 1 is tem-len
@@ -559,10 +658,12 @@ mem/0: location 1017 is 9
 run/0: product 0 is 0
 mem/0: storing 0 in location 1025
 run/0: instruction interpolate/48
+run/0: break-if {name: "tem-done?", value: 10, type: 3, properties: ["tem-done?": "boolean"]}, {name: "", value: 6, type: , properties: ["": ]}
 mem/0: location 1025 is 0
 run/0: ingredient 0 is 0
 run/0: jump-if fell through
 run/0: instruction interpolate/49
+run/0: {name: "in", value: 11, type: 4, properties: ["in": "character"]} <- index {name: "template", value: 1, type: 2-5-4, properties: ["template": "address":"array":"character", "deref": ]}, {name: "i", value: 9, type: 1, properties: ["i": "integer"]}
 run/0: ingredient 0 is {name: "template", value: 1, type: 2-5-4, properties: ["template": "address":"array":"character", "deref": ]}
 mem/0: location 1016 is 1000
 run/0: ingredient 1 is {name: "i", value: 9, type: 1, properties: ["i": "integer"]}
@@ -573,6 +674,7 @@ mem/0: location 1007 is 108
 run/0: product 0 is 108
 mem/0: storing 108 in location 1026
 run/0: instruction interpolate/50
+run/0: {name: "out", value: 13, type: 2-4, properties: ["out": "address":"character"]} <- index-address {name: "result", value: 7, type: 2-5-4, properties: ["result": "address":"array":"character", "deref": ]}, {name: "result-idx", value: 8, type: 1, properties: ["result-idx": "integer"]}
 run/0: ingredient 0 is result
 mem/0: location 1022 is 1074
 run/0: ingredient 1 is {name: "result-idx", value: 8, type: 1, properties: ["result-idx": "integer"]}
@@ -581,26 +683,31 @@ run/0: address to copy is 1083
 run/0: product 0 is 1083
 mem/0: storing 1083 in location 1028
 run/0: instruction interpolate/51
+run/0: {name: "out", value: 13, type: 2-4, properties: ["out": "address":"character", "deref": ]} <- copy {name: "in", value: 11, type: 4, properties: ["in": "character"]}
 run/0: ingredient 0 is in
 mem/0: location 1026 is 108
 mem/0: location 1028 is 1083
 mem/0: storing 108 in location 1083
 run/0: instruction interpolate/52
+run/0: {name: "i", value: 9, type: 1, properties: ["i": "integer"]} <- add {name: "i", value: 9, type: 1, properties: ["i": "integer"]}, {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: ingredient 0 is i
 mem/0: location 1024 is 6
 run/0: ingredient 1 is 1
 run/0: product 0 is 7
 mem/0: storing 7 in location 1024
 run/0: instruction interpolate/53
+run/0: {name: "result-idx", value: 8, type: 1, properties: ["result-idx": "integer"]} <- add {name: "result-idx", value: 8, type: 1, properties: ["result-idx": "integer"]}, {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: ingredient 0 is result-idx
 mem/0: location 1023 is 8
 run/0: ingredient 1 is 1
 run/0: product 0 is 9
 mem/0: storing 9 in location 1023
 run/0: instruction interpolate/54
+run/0: loop {name: "", value: -8, type: , properties: ["": ]}
 run/0: ingredient 0 is -8
 run/0: jumping to instruction 47
 run/0: instruction interpolate/47
+run/0: {name: "tem-done?", value: 10, type: 3, properties: ["tem-done?": "boolean"]} <- greater-or-equal {name: "i", value: 9, type: 1, properties: ["i": "integer"]}, {name: "tem-len", value: 2, type: 1, properties: ["tem-len": "integer"]}
 run/0: ingredient 0 is i
 mem/0: location 1024 is 7
 run/0: ingredient 1 is tem-len
@@ -608,10 +715,12 @@ mem/0: location 1017 is 9
 run/0: product 0 is 0
 mem/0: storing 0 in location 1025
 run/0: instruction interpolate/48
+run/0: break-if {name: "tem-done?", value: 10, type: 3, properties: ["tem-done?": "boolean"]}, {name: "", value: 6, type: , properties: ["": ]}
 mem/0: location 1025 is 0
 run/0: ingredient 0 is 0
 run/0: jump-if fell through
 run/0: instruction interpolate/49
+run/0: {name: "in", value: 11, type: 4, properties: ["in": "character"]} <- index {name: "template", value: 1, type: 2-5-4, properties: ["template": "address":"array":"character", "deref": ]}, {name: "i", value: 9, type: 1, properties: ["i": "integer"]}
 run/0: ingredient 0 is {name: "template", value: 1, type: 2-5-4, properties: ["template": "address":"array":"character", "deref": ]}
 mem/0: location 1016 is 1000
 run/0: ingredient 1 is {name: "i", value: 9, type: 1, properties: ["i": "integer"]}
@@ -622,6 +731,7 @@ mem/0: location 1008 is 111
 run/0: product 0 is 111
 mem/0: storing 111 in location 1026
 run/0: instruction interpolate/50
+run/0: {name: "out", value: 13, type: 2-4, properties: ["out": "address":"character"]} <- index-address {name: "result", value: 7, type: 2-5-4, properties: ["result": "address":"array":"character", "deref": ]}, {name: "result-idx", value: 8, type: 1, properties: ["result-idx": "integer"]}
 run/0: ingredient 0 is result
 mem/0: location 1022 is 1074
 run/0: ingredient 1 is {name: "result-idx", value: 8, type: 1, properties: ["result-idx": "integer"]}
@@ -630,26 +740,31 @@ run/0: address to copy is 1084
 run/0: product 0 is 1084
 mem/0: storing 1084 in location 1028
 run/0: instruction interpolate/51
+run/0: {name: "out", value: 13, type: 2-4, properties: ["out": "address":"character", "deref": ]} <- copy {name: "in", value: 11, type: 4, properties: ["in": "character"]}
 run/0: ingredient 0 is in
 mem/0: location 1026 is 111
 mem/0: location 1028 is 1084
 mem/0: storing 111 in location 1084
 run/0: instruction interpolate/52
+run/0: {name: "i", value: 9, type: 1, properties: ["i": "integer"]} <- add {name: "i", value: 9, type: 1, properties: ["i": "integer"]}, {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: ingredient 0 is i
 mem/0: location 1024 is 7
 run/0: ingredient 1 is 1
 run/0: product 0 is 8
 mem/0: storing 8 in location 1024
 run/0: instruction interpolate/53
+run/0: {name: "result-idx", value: 8, type: 1, properties: ["result-idx": "integer"]} <- add {name: "result-idx", value: 8, type: 1, properties: ["result-idx": "integer"]}, {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: ingredient 0 is result-idx
 mem/0: location 1023 is 9
 run/0: ingredient 1 is 1
 run/0: product 0 is 10
 mem/0: storing 10 in location 1023
 run/0: instruction interpolate/54
+run/0: loop {name: "", value: -8, type: , properties: ["": ]}
 run/0: ingredient 0 is -8
 run/0: jumping to instruction 47
 run/0: instruction interpolate/47
+run/0: {name: "tem-done?", value: 10, type: 3, properties: ["tem-done?": "boolean"]} <- greater-or-equal {name: "i", value: 9, type: 1, properties: ["i": "integer"]}, {name: "tem-len", value: 2, type: 1, properties: ["tem-len": "integer"]}
 run/0: ingredient 0 is i
 mem/0: location 1024 is 8
 run/0: ingredient 1 is tem-len
@@ -657,10 +772,12 @@ mem/0: location 1017 is 9
 run/0: product 0 is 0
 mem/0: storing 0 in location 1025
 run/0: instruction interpolate/48
+run/0: break-if {name: "tem-done?", value: 10, type: 3, properties: ["tem-done?": "boolean"]}, {name: "", value: 6, type: , properties: ["": ]}
 mem/0: location 1025 is 0
 run/0: ingredient 0 is 0
 run/0: jump-if fell through
 run/0: instruction interpolate/49
+run/0: {name: "in", value: 11, type: 4, properties: ["in": "character"]} <- index {name: "template", value: 1, type: 2-5-4, properties: ["template": "address":"array":"character", "deref": ]}, {name: "i", value: 9, type: 1, properties: ["i": "integer"]}
 run/0: ingredient 0 is {name: "template", value: 1, type: 2-5-4, properties: ["template": "address":"array":"character", "deref": ]}
 mem/0: location 1016 is 1000
 run/0: ingredient 1 is {name: "i", value: 9, type: 1, properties: ["i": "integer"]}
@@ -671,6 +788,7 @@ mem/0: location 1009 is 33
 run/0: product 0 is 33
 mem/0: storing 33 in location 1026
 run/0: instruction interpolate/50
+run/0: {name: "out", value: 13, type: 2-4, properties: ["out": "address":"character"]} <- index-address {name: "result", value: 7, type: 2-5-4, properties: ["result": "address":"array":"character", "deref": ]}, {name: "result-idx", value: 8, type: 1, properties: ["result-idx": "integer"]}
 run/0: ingredient 0 is result
 mem/0: location 1022 is 1074
 run/0: ingredient 1 is {name: "result-idx", value: 8, type: 1, properties: ["result-idx": "integer"]}
@@ -679,26 +797,31 @@ run/0: address to copy is 1085
 run/0: product 0 is 1085
 mem/0: storing 1085 in location 1028
 run/0: instruction interpolate/51
+run/0: {name: "out", value: 13, type: 2-4, properties: ["out": "address":"character", "deref": ]} <- copy {name: "in", value: 11, type: 4, properties: ["in": "character"]}
 run/0: ingredient 0 is in
 mem/0: location 1026 is 33
 mem/0: location 1028 is 1085
 mem/0: storing 33 in location 1085
 run/0: instruction interpolate/52
+run/0: {name: "i", value: 9, type: 1, properties: ["i": "integer"]} <- add {name: "i", value: 9, type: 1, properties: ["i": "integer"]}, {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: ingredient 0 is i
 mem/0: location 1024 is 8
 run/0: ingredient 1 is 1
 run/0: product 0 is 9
 mem/0: storing 9 in location 1024
 run/0: instruction interpolate/53
+run/0: {name: "result-idx", value: 8, type: 1, properties: ["result-idx": "integer"]} <- add {name: "result-idx", value: 8, type: 1, properties: ["result-idx": "integer"]}, {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: ingredient 0 is result-idx
 mem/0: location 1023 is 10
 run/0: ingredient 1 is 1
 run/0: product 0 is 11
 mem/0: storing 11 in location 1023
 run/0: instruction interpolate/54
+run/0: loop {name: "", value: -8, type: , properties: ["": ]}
 run/0: ingredient 0 is -8
 run/0: jumping to instruction 47
 run/0: instruction interpolate/47
+run/0: {name: "tem-done?", value: 10, type: 3, properties: ["tem-done?": "boolean"]} <- greater-or-equal {name: "i", value: 9, type: 1, properties: ["i": "integer"]}, {name: "tem-len", value: 2, type: 1, properties: ["tem-len": "integer"]}
 run/0: ingredient 0 is i
 mem/0: location 1024 is 9
 run/0: ingredient 1 is tem-len
@@ -706,15 +829,18 @@ mem/0: location 1017 is 9
 run/0: product 0 is 1
 mem/0: storing 1 in location 1025
 run/0: instruction interpolate/48
+run/0: break-if {name: "tem-done?", value: 10, type: 3, properties: ["tem-done?": "boolean"]}, {name: "", value: 6, type: , properties: ["": ]}
 mem/0: location 1025 is 1
 run/0: ingredient 0 is 1
 run/0: ingredient 1 is 
 run/0: jumping to instruction 55
 run/0: instruction interpolate/56
+run/0: reply {name: "result", value: 7, type: 2-5-4, properties: ["result": "address":"array":"character"]}
 mem/0: location 1022 is 1074
 run/0: result 0 is 1074
 mem/0: storing 1074 in location 3
 run/0: instruction test-interpolate-at-start/3
+run/0: {name: "4", value: 4, type: 5-4, properties: ["4": "array":"character", "raw": ]} <- copy {name: "3", value: 3, type: 2-5-4, properties: ["3": "address":"array":"character", "raw": , "deref": ]}
 run/0: ingredient 0 is 3
 mem/0: location 3 is 1074
 mem/0: location 1074 is 11
diff --git a/cpp/.traces/interpolate-works b/cpp/.traces/interpolate-works
index c7dc2ee9..e299c10a 100644
--- a/cpp/.traces/interpolate-works
+++ b/cpp/.traces/interpolate-works
@@ -21,37 +21,48 @@ after-brace/0: copy ...
 new/0: routine allocated memory from 1000 to 101000
 schedule/0: test-interpolate-works
 run/0: instruction test-interpolate-works/0
+run/0: {name: "1", value: 1, type: 2-5-4, properties: ["1": "address":"array":"character", "raw": ]} <- new {name: "abc _", value: 0, type: 0, properties: ["abc _": "literal-string"]}
 mem/0: storing 1000 in location 1
 run/0: instruction test-interpolate-works/1
+run/0: {name: "2", value: 2, type: 2-5-4, properties: ["2": "address":"array":"character", "raw": ]} <- new {name: "def", value: 0, type: 0, properties: ["def": "literal-string"]}
 mem/0: storing 1006 in location 2
 run/0: instruction test-interpolate-works/2
+run/0: {name: "3", value: 3, type: 2-5-4, properties: ["3": "address":"array":"character", "raw": ]} <- interpolate {name: "1", value: 1, type: 2-5-4, properties: ["1": "address":"array":"character", "raw": ]}, {name: "2", value: 2, type: 2-5-4, properties: ["2": "address":"array":"character", "raw": ]}
 mem/0: location 1 is 1000
 mem/0: location 2 is 1006
 run/0: instruction interpolate/0
+run/0: {name: "default-space", value: 0, type: 5-2-1, properties: ["default-space": "array":"address":"location"]} <- new {name: "location", value: 1, type: 0, properties: ["location": "type"]}, {name: "60", value: 60, type: 0, properties: ["60": "literal"]}
 mem/0: array size is 60
 mem/0: new alloc: 1010
 run/0: instruction interpolate/1
+run/0: {name: "template", value: 1, type: 2-5-4, properties: ["template": "address":"array":"character"]} <- next-ingredient 
 run/0: product 0 is 1000
 mem/0: storing 1000 in location 1012
 run/0: instruction interpolate/2
+run/0: {name: "tem-len", value: 2, type: 1, properties: ["tem-len": "integer"]} <- length {name: "template", value: 1, type: 2-5-4, properties: ["template": "address":"array":"character", "deref": ]}
 mem/0: location 1012 is 1000
 mem/0: storing 5 in location 1013
 run/0: instruction interpolate/3
+run/0: {name: "result-len", value: 3, type: 1, properties: ["result-len": "integer"]} <- copy {name: "tem-len", value: 2, type: 1, properties: ["tem-len": "integer"]}
 run/0: ingredient 0 is tem-len
 mem/0: location 1013 is 5
 mem/0: storing 5 in location 1014
 run/0: instruction interpolate/5
+run/0: {name: "a", value: 4, type: 2-5-4, properties: ["a": "address":"array":"character"]}, {name: "arg-received?", value: 5, type: 3, properties: ["arg-received?": "boolean"]} <- next-ingredient 
 run/0: product 0 is 1006
 mem/0: storing 1006 in location 1015
 mem/0: storing 1 in location 1016
 run/0: instruction interpolate/6
+run/0: break-unless {name: "arg-received?", value: 5, type: 3, properties: ["arg-received?": "boolean"]}, {name: "", value: 4, type: , properties: ["": ]}
 mem/0: location 1016 is 1
 run/0: ingredient 0 is 1
 run/0: jump-unless fell through
 run/0: instruction interpolate/7
+run/0: {name: "a-len", value: 6, type: 1, properties: ["a-len": "integer"]} <- length {name: "a", value: 4, type: 2-5-4, properties: ["a": "address":"array":"character", "deref": ]}
 mem/0: location 1015 is 1006
 mem/0: storing 3 in location 1017
 run/0: instruction interpolate/8
+run/0: {name: "result-len", value: 3, type: 1, properties: ["result-len": "integer"]} <- add {name: "result-len", value: 3, type: 1, properties: ["result-len": "integer"]}, {name: "a-len", value: 6, type: 1, properties: ["a-len": "integer"]}
 run/0: ingredient 0 is result-len
 mem/0: location 1014 is 5
 run/0: ingredient 1 is a-len
@@ -59,44 +70,56 @@ mem/0: location 1017 is 3
 run/0: product 0 is 8
 mem/0: storing 8 in location 1014
 run/0: instruction interpolate/9
+run/0: {name: "result-len", value: 3, type: 1, properties: ["result-len": "integer"]} <- subtract {name: "result-len", value: 3, type: 1, properties: ["result-len": "integer"]}, {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: ingredient 0 is result-len
 mem/0: location 1014 is 8
 run/0: ingredient 1 is 1
 run/0: product 0 is 7
 mem/0: storing 7 in location 1014
 run/0: instruction interpolate/10
+run/0: loop {name: "", value: -6, type: , properties: ["": ]}
 run/0: ingredient 0 is -6
 run/0: jumping to instruction 5
 run/0: instruction interpolate/5
+run/0: {name: "a", value: 4, type: 2-5-4, properties: ["a": "address":"array":"character"]}, {name: "arg-received?", value: 5, type: 3, properties: ["arg-received?": "boolean"]} <- next-ingredient 
 mem/0: storing 0 in location 1016
 run/0: instruction interpolate/6
+run/0: break-unless {name: "arg-received?", value: 5, type: 3, properties: ["arg-received?": "boolean"]}, {name: "", value: 4, type: , properties: ["": ]}
 mem/0: location 1016 is 0
 run/0: ingredient 0 is 0
 run/0: ingredient 1 is 
 run/0: jumping to instruction 11
 run/0: instruction interpolate/12
+run/0: rewind-ingredients 
 run/0: instruction interpolate/13
+run/0: {name: "_", value: 0, type: 0, properties: ["_": "dummy"]} <- next-ingredient 
 run/0: product 0 is 1000
 run/0: instruction interpolate/14
+run/0: {name: "result", value: 7, type: 2-5-4, properties: ["result": "address":"array":"character"]} <- new {name: "character", value: 4, type: 0, properties: ["character": "type"]}, {name: "result-len", value: 3, type: 1, properties: ["result-len": "integer"]}
 mem/0: location 1014 is 7
 mem/0: array size is 7
 mem/0: new alloc: 1070
 mem/0: storing 1070 in location 1018
 run/0: instruction interpolate/15
+run/0: {name: "result-idx", value: 8, type: 1, properties: ["result-idx": "integer"]} <- copy {name: "0", value: 0, type: 0, properties: ["0": "literal"]}
 run/0: ingredient 0 is 0
 mem/0: storing 0 in location 1019
 run/0: instruction interpolate/16
+run/0: {name: "i", value: 9, type: 1, properties: ["i": "integer"]} <- copy {name: "0", value: 0, type: 0, properties: ["0": "literal"]}
 run/0: ingredient 0 is 0
 mem/0: storing 0 in location 1020
 run/0: instruction interpolate/18
+run/0: {name: "a", value: 4, type: 2-5-4, properties: ["a": "address":"array":"character"]}, {name: "arg-received?", value: 5, type: 3, properties: ["arg-received?": "boolean"]} <- next-ingredient 
 run/0: product 0 is 1006
 mem/0: storing 1006 in location 1015
 mem/0: storing 1 in location 1016
 run/0: instruction interpolate/19
+run/0: break-unless {name: "arg-received?", value: 5, type: 3, properties: ["arg-received?": "boolean"]}, {name: "", value: 25, type: , properties: ["": ]}
 mem/0: location 1016 is 1
 run/0: ingredient 0 is 1
 run/0: jump-unless fell through
 run/0: instruction interpolate/21
+run/0: {name: "tem-done?", value: 10, type: 3, properties: ["tem-done?": "boolean"]} <- greater-or-equal {name: "i", value: 9, type: 1, properties: ["i": "integer"]}, {name: "tem-len", value: 2, type: 1, properties: ["tem-len": "integer"]}
 run/0: ingredient 0 is i
 mem/0: location 1020 is 0
 run/0: ingredient 1 is tem-len
@@ -104,10 +127,12 @@ mem/0: location 1013 is 5
 run/0: product 0 is 0
 mem/0: storing 0 in location 1021
 run/0: instruction interpolate/22
+run/0: break-if {name: "tem-done?", value: 10, type: 3, properties: ["tem-done?": "boolean"]}, {name: "2", value: 2, type: 0, properties: ["2": "blocks"]}
 mem/0: location 1021 is 0
 run/0: ingredient 0 is 0
 run/0: jump-if fell through
 run/0: instruction interpolate/23
+run/0: {name: "in", value: 11, type: 4, properties: ["in": "character"]} <- index {name: "template", value: 1, type: 2-5-4, properties: ["template": "address":"array":"character", "deref": ]}, {name: "i", value: 9, type: 1, properties: ["i": "integer"]}
 run/0: ingredient 0 is {name: "template", value: 1, type: 2-5-4, properties: ["template": "address":"array":"character", "deref": ]}
 mem/0: location 1012 is 1000
 run/0: ingredient 1 is {name: "i", value: 9, type: 1, properties: ["i": "integer"]}
@@ -118,16 +143,19 @@ mem/0: location 1001 is 97
 run/0: product 0 is 97
 mem/0: storing 97 in location 1022
 run/0: instruction interpolate/24
+run/0: {name: "underscore?", value: 12, type: 3, properties: ["underscore?": "boolean"]} <- equal {name: "in", value: 11, type: 4, properties: ["in": "character"]}, {name: "95", value: 95, type: 0, properties: ["95": "literal"]}
 run/0: ingredient 0 is in
 mem/0: location 1022 is 97
 run/0: ingredient 1 is 95
 run/0: product 0 is 0
 mem/0: storing 0 in location 1023
 run/0: instruction interpolate/25
+run/0: break-if {name: "underscore?", value: 12, type: 3, properties: ["underscore?": "boolean"]}, {name: "", value: 5, type: , properties: ["": ]}
 mem/0: location 1023 is 0
 run/0: ingredient 0 is 0
 run/0: jump-if fell through
 run/0: instruction interpolate/26
+run/0: {name: "out", value: 13, type: 2-4, properties: ["out": "address":"character"]} <- index-address {name: "result", value: 7, type: 2-5-4, properties: ["result": "address":"array":"character", "deref": ]}, {name: "result-idx", value: 8, type: 1, properties: ["result-idx": "integer"]}
 run/0: ingredient 0 is result
 mem/0: location 1018 is 1070
 run/0: ingredient 1 is {name: "result-idx", value: 8, type: 1, properties: ["result-idx": "integer"]}
@@ -136,26 +164,31 @@ run/0: address to copy is 1071
 run/0: product 0 is 1071
 mem/0: storing 1071 in location 1024
 run/0: instruction interpolate/27
+run/0: {name: "out", value: 13, type: 2-4, properties: ["out": "address":"character", "deref": ]} <- copy {name: "in", value: 11, type: 4, properties: ["in": "character"]}
 run/0: ingredient 0 is in
 mem/0: location 1022 is 97
 mem/0: location 1024 is 1071
 mem/0: storing 97 in location 1071
 run/0: instruction interpolate/28
+run/0: {name: "i", value: 9, type: 1, properties: ["i": "integer"]} <- add {name: "i", value: 9, type: 1, properties: ["i": "integer"]}, {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: ingredient 0 is i
 mem/0: location 1020 is 0
 run/0: ingredient 1 is 1
 run/0: product 0 is 1
 mem/0: storing 1 in location 1020
 run/0: instruction interpolate/29
+run/0: {name: "result-idx", value: 8, type: 1, properties: ["result-idx": "integer"]} <- add {name: "result-idx", value: 8, type: 1, properties: ["result-idx": "integer"]}, {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: ingredient 0 is result-idx
 mem/0: location 1019 is 0
 run/0: ingredient 1 is 1
 run/0: product 0 is 1
 mem/0: storing 1 in location 1019
 run/0: instruction interpolate/30
+run/0: loop {name: "", value: -10, type: , properties: ["": ]}
 run/0: ingredient 0 is -10
 run/0: jumping to instruction 21
 run/0: instruction interpolate/21
+run/0: {name: "tem-done?", value: 10, type: 3, properties: ["tem-done?": "boolean"]} <- greater-or-equal {name: "i", value: 9, type: 1, properties: ["i": "integer"]}, {name: "tem-len", value: 2, type: 1, properties: ["tem-len": "integer"]}
 run/0: ingredient 0 is i
 mem/0: location 1020 is 1
 run/0: ingredient 1 is tem-len
@@ -163,10 +196,12 @@ mem/0: location 1013 is 5
 run/0: product 0 is 0
 mem/0: storing 0 in location 1021
 run/0: instruction interpolate/22
+run/0: break-if {name: "tem-done?", value: 10, type: 3, properties: ["tem-done?": "boolean"]}, {name: "2", value: 2, type: 0, properties: ["2": "blocks"]}
 mem/0: location 1021 is 0
 run/0: ingredient 0 is 0
 run/0: jump-if fell through
 run/0: instruction interpolate/23
+run/0: {name: "in", value: 11, type: 4, properties: ["in": "character"]} <- index {name: "template", value: 1, type: 2-5-4, properties: ["template": "address":"array":"character", "deref": ]}, {name: "i", value: 9, type: 1, properties: ["i": "integer"]}
 run/0: ingredient 0 is {name: "template", value: 1, type: 2-5-4, properties: ["template": "address":"array":"character", "deref": ]}
 mem/0: location 1012 is 1000
 run/0: ingredient 1 is {name: "i", value: 9, type: 1, properties: ["i": "integer"]}
@@ -177,16 +212,19 @@ mem/0: location 1002 is 98
 run/0: product 0 is 98
 mem/0: storing 98 in location 1022
 run/0: instruction interpolate/24
+run/0: {name: "underscore?", value: 12, type: 3, properties: ["underscore?": "boolean"]} <- equal {name: "in", value: 11, type: 4, properties: ["in": "character"]}, {name: "95", value: 95, type: 0, properties: ["95": "literal"]}
 run/0: ingredient 0 is in
 mem/0: location 1022 is 98
 run/0: ingredient 1 is 95
 run/0: product 0 is 0
 mem/0: storing 0 in location 1023
 run/0: instruction interpolate/25
+run/0: break-if {name: "underscore?", value: 12, type: 3, properties: ["underscore?": "boolean"]}, {name: "", value: 5, type: , properties: ["": ]}
 mem/0: location 1023 is 0
 run/0: ingredient 0 is 0
 run/0: jump-if fell through
 run/0: instruction interpolate/26
+run/0: {name: "out", value: 13, type: 2-4, properties: ["out": "address":"character"]} <- index-address {name: "result", value: 7, type: 2-5-4, properties: ["result": "address":"array":"character", "deref": ]}, {name: "result-idx", value: 8, type: 1, properties: ["result-idx": "integer"]}
 run/0: ingredient 0 is result
 mem/0: location 1018 is 1070
 run/0: ingredient 1 is {name: "result-idx", value: 8, type: 1, properties: ["result-idx": "integer"]}
@@ -195,26 +233,31 @@ run/0: address to copy is 1072
 run/0: product 0 is 1072
 mem/0: storing 1072 in location 1024
 run/0: instruction interpolate/27
+run/0: {name: "out", value: 13, type: 2-4, properties: ["out": "address":"character", "deref": ]} <- copy {name: "in", value: 11, type: 4, properties: ["in": "character"]}
 run/0: ingredient 0 is in
 mem/0: location 1022 is 98
 mem/0: location 1024 is 1072
 mem/0: storing 98 in location 1072
 run/0: instruction interpolate/28
+run/0: {name: "i", value: 9, type: 1, properties: ["i": "integer"]} <- add {name: "i", value: 9, type: 1, properties: ["i": "integer"]}, {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: ingredient 0 is i
 mem/0: location 1020 is 1
 run/0: ingredient 1 is 1
 run/0: product 0 is 2
 mem/0: storing 2 in location 1020
 run/0: instruction interpolate/29
+run/0: {name: "result-idx", value: 8, type: 1, properties: ["result-idx": "integer"]} <- add {name: "result-idx", value: 8, type: 1, properties: ["result-idx": "integer"]}, {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: ingredient 0 is result-idx
 mem/0: location 1019 is 1
 run/0: ingredient 1 is 1
 run/0: product 0 is 2
 mem/0: storing 2 in location 1019
 run/0: instruction interpolate/30
+run/0: loop {name: "", value: -10, type: , properties: ["": ]}
 run/0: ingredient 0 is -10
 run/0: jumping to instruction 21
 run/0: instruction interpolate/21
+run/0: {name: "tem-done?", value: 10, type: 3, properties: ["tem-done?": "boolean"]} <- greater-or-equal {name: "i", value: 9, type: 1, properties: ["i": "integer"]}, {name: "tem-len", value: 2, type: 1, properties: ["tem-len": "integer"]}
 run/0: ingredient 0 is i
 mem/0: location 1020 is 2
 run/0: ingredient 1 is tem-len
@@ -222,10 +265,12 @@ mem/0: location 1013 is 5
 run/0: product 0 is 0
 mem/0: storing 0 in location 1021
 run/0: instruction interpolate/22
+run/0: break-if {name: "tem-done?", value: 10, type: 3, properties: ["tem-done?": "boolean"]}, {name: "2", value: 2, type: 0, properties: ["2": "blocks"]}
 mem/0: location 1021 is 0
 run/0: ingredient 0 is 0
 run/0: jump-if fell through
 run/0: instruction interpolate/23
+run/0: {name: "in", value: 11, type: 4, properties: ["in": "character"]} <- index {name: "template", value: 1, type: 2-5-4, properties: ["template": "address":"array":"character", "deref": ]}, {name: "i", value: 9, type: 1, properties: ["i": "integer"]}
 run/0: ingredient 0 is {name: "template", value: 1, type: 2-5-4, properties: ["template": "address":"array":"character", "deref": ]}
 mem/0: location 1012 is 1000
 run/0: ingredient 1 is {name: "i", value: 9, type: 1, properties: ["i": "integer"]}
@@ -236,16 +281,19 @@ mem/0: location 1003 is 99
 run/0: product 0 is 99
 mem/0: storing 99 in location 1022
 run/0: instruction interpolate/24
+run/0: {name: "underscore?", value: 12, type: 3, properties: ["underscore?": "boolean"]} <- equal {name: "in", value: 11, type: 4, properties: ["in": "character"]}, {name: "95", value: 95, type: 0, properties: ["95": "literal"]}
 run/0: ingredient 0 is in
 mem/0: location 1022 is 99
 run/0: ingredient 1 is 95
 run/0: product 0 is 0
 mem/0: storing 0 in location 1023
 run/0: instruction interpolate/25
+run/0: break-if {name: "underscore?", value: 12, type: 3, properties: ["underscore?": "boolean"]}, {name: "", value: 5, type: , properties: ["": ]}
 mem/0: location 1023 is 0
 run/0: ingredient 0 is 0
 run/0: jump-if fell through
 run/0: instruction interpolate/26
+run/0: {name: "out", value: 13, type: 2-4, properties: ["out": "address":"character"]} <- index-address {name: "result", value: 7, type: 2-5-4, properties: ["result": "address":"array":"character", "deref": ]}, {name: "result-idx", value: 8, type: 1, properties: ["result-idx": "integer"]}
 run/0: ingredient 0 is result
 mem/0: location 1018 is 1070
 run/0: ingredient 1 is {name: "result-idx", value: 8, type: 1, properties: ["result-idx": "integer"]}
@@ -254,26 +302,31 @@ run/0: address to copy is 1073
 run/0: product 0 is 1073
 mem/0: storing 1073 in location 1024
 run/0: instruction interpolate/27
+run/0: {name: "out", value: 13, type: 2-4, properties: ["out": "address":"character", "deref": ]} <- copy {name: "in", value: 11, type: 4, properties: ["in": "character"]}
 run/0: ingredient 0 is in
 mem/0: location 1022 is 99
 mem/0: location 1024 is 1073
 mem/0: storing 99 in location 1073
 run/0: instruction interpolate/28
+run/0: {name: "i", value: 9, type: 1, properties: ["i": "integer"]} <- add {name: "i", value: 9, type: 1, properties: ["i": "integer"]}, {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: ingredient 0 is i
 mem/0: location 1020 is 2
 run/0: ingredient 1 is 1
 run/0: product 0 is 3
 mem/0: storing 3 in location 1020
 run/0: instruction interpolate/29
+run/0: {name: "result-idx", value: 8, type: 1, properties: ["result-idx": "integer"]} <- add {name: "result-idx", value: 8, type: 1, properties: ["result-idx": "integer"]}, {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: ingredient 0 is result-idx
 mem/0: location 1019 is 2
 run/0: ingredient 1 is 1
 run/0: product 0 is 3
 mem/0: storing 3 in location 1019
 run/0: instruction interpolate/30
+run/0: loop {name: "", value: -10, type: , properties: ["": ]}
 run/0: ingredient 0 is -10
 run/0: jumping to instruction 21
 run/0: instruction interpolate/21
+run/0: {name: "tem-done?", value: 10, type: 3, properties: ["tem-done?": "boolean"]} <- greater-or-equal {name: "i", value: 9, type: 1, properties: ["i": "integer"]}, {name: "tem-len", value: 2, type: 1, properties: ["tem-len": "integer"]}
 run/0: ingredient 0 is i
 mem/0: location 1020 is 3
 run/0: ingredient 1 is tem-len
@@ -281,10 +334,12 @@ mem/0: location 1013 is 5
 run/0: product 0 is 0
 mem/0: storing 0 in location 1021
 run/0: instruction interpolate/22
+run/0: break-if {name: "tem-done?", value: 10, type: 3, properties: ["tem-done?": "boolean"]}, {name: "2", value: 2, type: 0, properties: ["2": "blocks"]}
 mem/0: location 1021 is 0
 run/0: ingredient 0 is 0
 run/0: jump-if fell through
 run/0: instruction interpolate/23
+run/0: {name: "in", value: 11, type: 4, properties: ["in": "character"]} <- index {name: "template", value: 1, type: 2-5-4, properties: ["template": "address":"array":"character", "deref": ]}, {name: "i", value: 9, type: 1, properties: ["i": "integer"]}
 run/0: ingredient 0 is {name: "template", value: 1, type: 2-5-4, properties: ["template": "address":"array":"character", "deref": ]}
 mem/0: location 1012 is 1000
 run/0: ingredient 1 is {name: "i", value: 9, type: 1, properties: ["i": "integer"]}
@@ -295,16 +350,19 @@ mem/0: location 1004 is 32
 run/0: product 0 is 32
 mem/0: storing 32 in location 1022
 run/0: instruction interpolate/24
+run/0: {name: "underscore?", value: 12, type: 3, properties: ["underscore?": "boolean"]} <- equal {name: "in", value: 11, type: 4, properties: ["in": "character"]}, {name: "95", value: 95, type: 0, properties: ["95": "literal"]}
 run/0: ingredient 0 is in
 mem/0: location 1022 is 32
 run/0: ingredient 1 is 95
 run/0: product 0 is 0
 mem/0: storing 0 in location 1023
 run/0: instruction interpolate/25
+run/0: break-if {name: "underscore?", value: 12, type: 3, properties: ["underscore?": "boolean"]}, {name: "", value: 5, type: , properties: ["": ]}
 mem/0: location 1023 is 0
 run/0: ingredient 0 is 0
 run/0: jump-if fell through
 run/0: instruction interpolate/26
+run/0: {name: "out", value: 13, type: 2-4, properties: ["out": "address":"character"]} <- index-address {name: "result", value: 7, type: 2-5-4, properties: ["result": "address":"array":"character", "deref": ]}, {name: "result-idx", value: 8, type: 1, properties: ["result-idx": "integer"]}
 run/0: ingredient 0 is result
 mem/0: location 1018 is 1070
 run/0: ingredient 1 is {name: "result-idx", value: 8, type: 1, properties: ["result-idx": "integer"]}
@@ -313,26 +371,31 @@ run/0: address to copy is 1074
 run/0: product 0 is 1074
 mem/0: storing 1074 in location 1024
 run/0: instruction interpolate/27
+run/0: {name: "out", value: 13, type: 2-4, properties: ["out": "address":"character", "deref": ]} <- copy {name: "in", value: 11, type: 4, properties: ["in": "character"]}
 run/0: ingredient 0 is in
 mem/0: location 1022 is 32
 mem/0: location 1024 is 1074
 mem/0: storing 32 in location 1074
 run/0: instruction interpolate/28
+run/0: {name: "i", value: 9, type: 1, properties: ["i": "integer"]} <- add {name: "i", value: 9, type: 1, properties: ["i": "integer"]}, {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: ingredient 0 is i
 mem/0: location 1020 is 3
 run/0: ingredient 1 is 1
 run/0: product 0 is 4
 mem/0: storing 4 in location 1020
 run/0: instruction interpolate/29
+run/0: {name: "result-idx", value: 8, type: 1, properties: ["result-idx": "integer"]} <- add {name: "result-idx", value: 8, type: 1, properties: ["result-idx": "integer"]}, {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: ingredient 0 is result-idx
 mem/0: location 1019 is 3
 run/0: ingredient 1 is 1
 run/0: product 0 is 4
 mem/0: storing 4 in location 1019
 run/0: instruction interpolate/30
+run/0: loop {name: "", value: -10, type: , properties: ["": ]}
 run/0: ingredient 0 is -10
 run/0: jumping to instruction 21
 run/0: instruction interpolate/21
+run/0: {name: "tem-done?", value: 10, type: 3, properties: ["tem-done?": "boolean"]} <- greater-or-equal {name: "i", value: 9, type: 1, properties: ["i": "integer"]}, {name: "tem-len", value: 2, type: 1, properties: ["tem-len": "integer"]}
 run/0: ingredient 0 is i
 mem/0: location 1020 is 4
 run/0: ingredient 1 is tem-len
@@ -340,10 +403,12 @@ mem/0: location 1013 is 5
 run/0: product 0 is 0
 mem/0: storing 0 in location 1021
 run/0: instruction interpolate/22
+run/0: break-if {name: "tem-done?", value: 10, type: 3, properties: ["tem-done?": "boolean"]}, {name: "2", value: 2, type: 0, properties: ["2": "blocks"]}
 mem/0: location 1021 is 0
 run/0: ingredient 0 is 0
 run/0: jump-if fell through
 run/0: instruction interpolate/23
+run/0: {name: "in", value: 11, type: 4, properties: ["in": "character"]} <- index {name: "template", value: 1, type: 2-5-4, properties: ["template": "address":"array":"character", "deref": ]}, {name: "i", value: 9, type: 1, properties: ["i": "integer"]}
 run/0: ingredient 0 is {name: "template", value: 1, type: 2-5-4, properties: ["template": "address":"array":"character", "deref": ]}
 mem/0: location 1012 is 1000
 run/0: ingredient 1 is {name: "i", value: 9, type: 1, properties: ["i": "integer"]}
@@ -354,20 +419,24 @@ mem/0: location 1005 is 95
 run/0: product 0 is 95
 mem/0: storing 95 in location 1022
 run/0: instruction interpolate/24
+run/0: {name: "underscore?", value: 12, type: 3, properties: ["underscore?": "boolean"]} <- equal {name: "in", value: 11, type: 4, properties: ["in": "character"]}, {name: "95", value: 95, type: 0, properties: ["95": "literal"]}
 run/0: ingredient 0 is in
 mem/0: location 1022 is 95
 run/0: ingredient 1 is 95
 run/0: product 0 is 1
 mem/0: storing 1 in location 1023
 run/0: instruction interpolate/25
+run/0: break-if {name: "underscore?", value: 12, type: 3, properties: ["underscore?": "boolean"]}, {name: "", value: 5, type: , properties: ["": ]}
 mem/0: location 1023 is 1
 run/0: ingredient 0 is 1
 run/0: ingredient 1 is 
 run/0: jumping to instruction 31
 run/0: instruction interpolate/32
+run/0: {name: "j", value: 14, type: 1, properties: ["j": "integer"]} <- copy {name: "0", value: 0, type: 0, properties: ["0": "literal"]}
 run/0: ingredient 0 is 0
 mem/0: storing 0 in location 1025
 run/0: instruction interpolate/34
+run/0: {name: "arg-done?", value: 15, type: 3, properties: ["arg-done?": "boolean"]} <- greater-or-equal {name: "j", value: 14, type: 1, properties: ["j": "integer"]}, {name: "a-len", value: 6, type: 1, properties: ["a-len": "integer"]}
 run/0: ingredient 0 is j
 mem/0: location 1025 is 0
 run/0: ingredient 1 is a-len
@@ -375,10 +444,12 @@ mem/0: location 1017 is 3
 run/0: product 0 is 0
 mem/0: storing 0 in location 1026
 run/0: instruction interpolate/35
+run/0: break-if {name: "arg-done?", value: 15, type: 3, properties: ["arg-done?": "boolean"]}, {name: "", value: 6, type: , properties: ["": ]}
 mem/0: location 1026 is 0
 run/0: ingredient 0 is 0
 run/0: jump-if fell through
 run/0: instruction interpolate/36
+run/0: {name: "in", value: 11, type: 4, properties: ["in": "character"]} <- index {name: "a", value: 4, type: 2-5-4, properties: ["a": "address":"array":"character", "deref": ]}, {name: "j", value: 14, type: 1, properties: ["j": "integer"]}
 run/0: ingredient 0 is {name: "a", value: 4, type: 2-5-4, properties: ["a": "address":"array":"character", "deref": ]}
 mem/0: location 1015 is 1006
 run/0: ingredient 1 is {name: "j", value: 14, type: 1, properties: ["j": "integer"]}
@@ -389,6 +460,7 @@ mem/0: location 1007 is 100
 run/0: product 0 is 100
 mem/0: storing 100 in location 1022
 run/0: instruction interpolate/37
+run/0: {name: "out", value: 13, type: 2-4, properties: ["out": "address":"character"]} <- index-address {name: "result", value: 7, type: 2-5-4, properties: ["result": "address":"array":"character", "deref": ]}, {name: "result-idx", value: 8, type: 1, properties: ["result-idx": "integer"]}
 run/0: ingredient 0 is result
 mem/0: location 1018 is 1070
 run/0: ingredient 1 is {name: "result-idx", value: 8, type: 1, properties: ["result-idx": "integer"]}
@@ -397,26 +469,31 @@ run/0: address to copy is 1075
 run/0: product 0 is 1075
 mem/0: storing 1075 in location 1024
 run/0: instruction interpolate/38
+run/0: {name: "out", value: 13, type: 2-4, properties: ["out": "address":"character", "deref": ]} <- copy {name: "in", value: 11, type: 4, properties: ["in": "character"]}
 run/0: ingredient 0 is in
 mem/0: location 1022 is 100
 mem/0: location 1024 is 1075
 mem/0: storing 100 in location 1075
 run/0: instruction interpolate/39
+run/0: {name: "j", value: 14, type: 1, properties: ["j": "integer"]} <- add {name: "j", value: 14, type: 1, properties: ["j": "integer"]}, {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: ingredient 0 is j
 mem/0: location 1025 is 0
 run/0: ingredient 1 is 1
 run/0: product 0 is 1
 mem/0: storing 1 in location 1025
 run/0: instruction interpolate/40
+run/0: {name: "result-idx", value: 8, type: 1, properties: ["result-idx": "integer"]} <- add {name: "result-idx", value: 8, type: 1, properties: ["result-idx": "integer"]}, {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: ingredient 0 is result-idx
 mem/0: location 1019 is 4
 run/0: ingredient 1 is 1
 run/0: product 0 is 5
 mem/0: storing 5 in location 1019
 run/0: instruction interpolate/41
+run/0: loop {name: "", value: -8, type: , properties: ["": ]}
 run/0: ingredient 0 is -8
 run/0: jumping to instruction 34
 run/0: instruction interpolate/34
+run/0: {name: "arg-done?", value: 15, type: 3, properties: ["arg-done?": "boolean"]} <- greater-or-equal {name: "j", value: 14, type: 1, properties: ["j": "integer"]}, {name: "a-len", value: 6, type: 1, properties: ["a-len": "integer"]}
 run/0: ingredient 0 is j
 mem/0: location 1025 is 1
 run/0: ingredient 1 is a-len
@@ -424,10 +501,12 @@ mem/0: location 1017 is 3
 run/0: product 0 is 0
 mem/0: storing 0 in location 1026
 run/0: instruction interpolate/35
+run/0: break-if {name: "arg-done?", value: 15, type: 3, properties: ["arg-done?": "boolean"]}, {name: "", value: 6, type: , properties: ["": ]}
 mem/0: location 1026 is 0
 run/0: ingredient 0 is 0
 run/0: jump-if fell through
 run/0: instruction interpolate/36
+run/0: {name: "in", value: 11, type: 4, properties: ["in": "character"]} <- index {name: "a", value: 4, type: 2-5-4, properties: ["a": "address":"array":"character", "deref": ]}, {name: "j", value: 14, type: 1, properties: ["j": "integer"]}
 run/0: ingredient 0 is {name: "a", value: 4, type: 2-5-4, properties: ["a": "address":"array":"character", "deref": ]}
 mem/0: location 1015 is 1006
 run/0: ingredient 1 is {name: "j", value: 14, type: 1, properties: ["j": "integer"]}
@@ -438,6 +517,7 @@ mem/0: location 1008 is 101
 run/0: product 0 is 101
 mem/0: storing 101 in location 1022
 run/0: instruction interpolate/37
+run/0: {name: "out", value: 13, type: 2-4, properties: ["out": "address":"character"]} <- index-address {name: "result", value: 7, type: 2-5-4, properties: ["result": "address":"array":"character", "deref": ]}, {name: "result-idx", value: 8, type: 1, properties: ["result-idx": "integer"]}
 run/0: ingredient 0 is result
 mem/0: location 1018 is 1070
 run/0: ingredient 1 is {name: "result-idx", value: 8, type: 1, properties: ["result-idx": "integer"]}
@@ -446,26 +526,31 @@ run/0: address to copy is 1076
 run/0: product 0 is 1076
 mem/0: storing 1076 in location 1024
 run/0: instruction interpolate/38
+run/0: {name: "out", value: 13, type: 2-4, properties: ["out": "address":"character", "deref": ]} <- copy {name: "in", value: 11, type: 4, properties: ["in": "character"]}
 run/0: ingredient 0 is in
 mem/0: location 1022 is 101
 mem/0: location 1024 is 1076
 mem/0: storing 101 in location 1076
 run/0: instruction interpolate/39
+run/0: {name: "j", value: 14, type: 1, properties: ["j": "integer"]} <- add {name: "j", value: 14, type: 1, properties: ["j": "integer"]}, {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: ingredient 0 is j
 mem/0: location 1025 is 1
 run/0: ingredient 1 is 1
 run/0: product 0 is 2
 mem/0: storing 2 in location 1025
 run/0: instruction interpolate/40
+run/0: {name: "result-idx", value: 8, type: 1, properties: ["result-idx": "integer"]} <- add {name: "result-idx", value: 8, type: 1, properties: ["result-idx": "integer"]}, {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: ingredient 0 is result-idx
 mem/0: location 1019 is 5
 run/0: ingredient 1 is 1
 run/0: product 0 is 6
 mem/0: storing 6 in location 1019
 run/0: instruction interpolate/41
+run/0: loop {name: "", value: -8, type: , properties: ["": ]}
 run/0: ingredient 0 is -8
 run/0: jumping to instruction 34
 run/0: instruction interpolate/34
+run/0: {name: "arg-done?", value: 15, type: 3, properties: ["arg-done?": "boolean"]} <- greater-or-equal {name: "j", value: 14, type: 1, properties: ["j": "integer"]}, {name: "a-len", value: 6, type: 1, properties: ["a-len": "integer"]}
 run/0: ingredient 0 is j
 mem/0: location 1025 is 2
 run/0: ingredient 1 is a-len
@@ -473,10 +558,12 @@ mem/0: location 1017 is 3
 run/0: product 0 is 0
 mem/0: storing 0 in location 1026
 run/0: instruction interpolate/35
+run/0: break-if {name: "arg-done?", value: 15, type: 3, properties: ["arg-done?": "boolean"]}, {name: "", value: 6, type: , properties: ["": ]}
 mem/0: location 1026 is 0
 run/0: ingredient 0 is 0
 run/0: jump-if fell through
 run/0: instruction interpolate/36
+run/0: {name: "in", value: 11, type: 4, properties: ["in": "character"]} <- index {name: "a", value: 4, type: 2-5-4, properties: ["a": "address":"array":"character", "deref": ]}, {name: "j", value: 14, type: 1, properties: ["j": "integer"]}
 run/0: ingredient 0 is {name: "a", value: 4, type: 2-5-4, properties: ["a": "address":"array":"character", "deref": ]}
 mem/0: location 1015 is 1006
 run/0: ingredient 1 is {name: "j", value: 14, type: 1, properties: ["j": "integer"]}
@@ -487,6 +574,7 @@ mem/0: location 1009 is 102
 run/0: product 0 is 102
 mem/0: storing 102 in location 1022
 run/0: instruction interpolate/37
+run/0: {name: "out", value: 13, type: 2-4, properties: ["out": "address":"character"]} <- index-address {name: "result", value: 7, type: 2-5-4, properties: ["result": "address":"array":"character", "deref": ]}, {name: "result-idx", value: 8, type: 1, properties: ["result-idx": "integer"]}
 run/0: ingredient 0 is result
 mem/0: location 1018 is 1070
 run/0: ingredient 1 is {name: "result-idx", value: 8, type: 1, properties: ["result-idx": "integer"]}
@@ -495,26 +583,31 @@ run/0: address to copy is 1077
 run/0: product 0 is 1077
 mem/0: storing 1077 in location 1024
 run/0: instruction interpolate/38
+run/0: {name: "out", value: 13, type: 2-4, properties: ["out": "address":"character", "deref": ]} <- copy {name: "in", value: 11, type: 4, properties: ["in": "character"]}
 run/0: ingredient 0 is in
 mem/0: location 1022 is 102
 mem/0: location 1024 is 1077
 mem/0: storing 102 in location 1077
 run/0: instruction interpolate/39
+run/0: {name: "j", value: 14, type: 1, properties: ["j": "integer"]} <- add {name: "j", value: 14, type: 1, properties: ["j": "integer"]}, {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: ingredient 0 is j
 mem/0: location 1025 is 2
 run/0: ingredient 1 is 1
 run/0: product 0 is 3
 mem/0: storing 3 in location 1025
 run/0: instruction interpolate/40
+run/0: {name: "result-idx", value: 8, type: 1, properties: ["result-idx": "integer"]} <- add {name: "result-idx", value: 8, type: 1, properties: ["result-idx": "integer"]}, {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: ingredient 0 is result-idx
 mem/0: location 1019 is 6
 run/0: ingredient 1 is 1
 run/0: product 0 is 7
 mem/0: storing 7 in location 1019
 run/0: instruction interpolate/41
+run/0: loop {name: "", value: -8, type: , properties: ["": ]}
 run/0: ingredient 0 is -8
 run/0: jumping to instruction 34
 run/0: instruction interpolate/34
+run/0: {name: "arg-done?", value: 15, type: 3, properties: ["arg-done?": "boolean"]} <- greater-or-equal {name: "j", value: 14, type: 1, properties: ["j": "integer"]}, {name: "a-len", value: 6, type: 1, properties: ["a-len": "integer"]}
 run/0: ingredient 0 is j
 mem/0: location 1025 is 3
 run/0: ingredient 1 is a-len
@@ -522,27 +615,33 @@ mem/0: location 1017 is 3
 run/0: product 0 is 1
 mem/0: storing 1 in location 1026
 run/0: instruction interpolate/35
+run/0: break-if {name: "arg-done?", value: 15, type: 3, properties: ["arg-done?": "boolean"]}, {name: "", value: 6, type: , properties: ["": ]}
 mem/0: location 1026 is 1
 run/0: ingredient 0 is 1
 run/0: ingredient 1 is 
 run/0: jumping to instruction 42
 run/0: instruction interpolate/43
+run/0: {name: "i", value: 9, type: 1, properties: ["i": "integer"]} <- add {name: "i", value: 9, type: 1, properties: ["i": "integer"]}, {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: ingredient 0 is i
 mem/0: location 1020 is 4
 run/0: ingredient 1 is 1
 run/0: product 0 is 5
 mem/0: storing 5 in location 1020
 run/0: instruction interpolate/44
+run/0: loop {name: "", value: -27, type: , properties: ["": ]}
 run/0: ingredient 0 is -27
 run/0: jumping to instruction 18
 run/0: instruction interpolate/18
+run/0: {name: "a", value: 4, type: 2-5-4, properties: ["a": "address":"array":"character"]}, {name: "arg-received?", value: 5, type: 3, properties: ["arg-received?": "boolean"]} <- next-ingredient 
 mem/0: storing 0 in location 1016
 run/0: instruction interpolate/19
+run/0: break-unless {name: "arg-received?", value: 5, type: 3, properties: ["arg-received?": "boolean"]}, {name: "", value: 25, type: , properties: ["": ]}
 mem/0: location 1016 is 0
 run/0: ingredient 0 is 0
 run/0: ingredient 1 is 
 run/0: jumping to instruction 45
 run/0: instruction interpolate/47
+run/0: {name: "tem-done?", value: 10, type: 3, properties: ["tem-done?": "boolean"]} <- greater-or-equal {name: "i", value: 9, type: 1, properties: ["i": "integer"]}, {name: "tem-len", value: 2, type: 1, properties: ["tem-len": "integer"]}
 run/0: ingredient 0 is i
 mem/0: location 1020 is 5
 run/0: ingredient 1 is tem-len
@@ -550,15 +649,18 @@ mem/0: location 1013 is 5
 run/0: product 0 is 1
 mem/0: storing 1 in location 1021
 run/0: instruction interpolate/48
+run/0: break-if {name: "tem-done?", value: 10, type: 3, properties: ["tem-done?": "boolean"]}, {name: "", value: 6, type: , properties: ["": ]}
 mem/0: location 1021 is 1
 run/0: ingredient 0 is 1
 run/0: ingredient 1 is 
 run/0: jumping to instruction 55
 run/0: instruction interpolate/56
+run/0: reply {name: "result", value: 7, type: 2-5-4, properties: ["result": "address":"array":"character"]}
 mem/0: location 1018 is 1070
 run/0: result 0 is 1070
 mem/0: storing 1070 in location 3
 run/0: instruction test-interpolate-works/3
+run/0: {name: "4", value: 4, type: 5-4, properties: ["4": "array":"character", "raw": ]} <- copy {name: "3", value: 3, type: 2-5-4, properties: ["3": "address":"array":"character", "raw": , "deref": ]}
 run/0: ingredient 0 is 3
 mem/0: location 3 is 1070
 mem/0: location 1070 is 7
diff --git a/cpp/.traces/jump_backward b/cpp/.traces/jump_backward
index 524894a7..4de52a27 100644
--- a/cpp/.traces/jump_backward
+++ b/cpp/.traces/jump_backward
@@ -11,11 +11,14 @@ after-brace/0: jump ...
 new/0: routine allocated memory from 1000 to 101000
 schedule/0: main
 run/0: instruction main/0
+run/0: jump {name: "1", value: 1, type: 0, properties: ["1": "offset"]}
 run/0: ingredient 0 is 1
 run/0: jumping to instruction 2
 run/0: instruction main/2
+run/0: jump {name: "-2", value: -2, type: 0, properties: ["-2": "offset"]}
 run/0: ingredient 0 is -2
 run/0: jumping to instruction 1
 run/0: instruction main/1
+run/0: jump {name: "1", value: 1, type: 0, properties: ["1": "offset"]}
 run/0: ingredient 0 is 1
 run/0: jumping to instruction 3
diff --git a/cpp/.traces/jump_can_skip_instructions b/cpp/.traces/jump_can_skip_instructions
index ced4b32e..6bfdce8b 100644
--- a/cpp/.traces/jump_can_skip_instructions
+++ b/cpp/.traces/jump_can_skip_instructions
@@ -9,5 +9,6 @@ after-brace/0: copy ...
 new/0: routine allocated memory from 1000 to 101000
 schedule/0: main
 run/0: instruction main/0
+run/0: jump {name: "1", value: 1, type: 0, properties: ["1": "offset"]}
 run/0: ingredient 0 is 1
 run/0: jumping to instruction 2
diff --git a/cpp/.traces/jump_if b/cpp/.traces/jump_if
index 9e63fab6..b01ed9dd 100644
--- a/cpp/.traces/jump_if
+++ b/cpp/.traces/jump_if
@@ -10,6 +10,7 @@ after-brace/0: copy ...
 new/0: routine allocated memory from 1000 to 101000
 schedule/0: main
 run/0: instruction main/0
+run/0: jump-if {name: "999", value: 999, type: 0, properties: ["999": "literal"]}, {name: "1", value: 1, type: 0, properties: ["1": "offset"]}
 run/0: ingredient 0 is 999
 run/0: ingredient 1 is 1
 run/0: jumping to instruction 2
diff --git a/cpp/.traces/jump_if_fallthrough b/cpp/.traces/jump_if_fallthrough
index a3b5e347..d87703c0 100644
--- a/cpp/.traces/jump_if_fallthrough
+++ b/cpp/.traces/jump_if_fallthrough
@@ -10,8 +10,10 @@ after-brace/0: copy ...
 new/0: routine allocated memory from 1000 to 101000
 schedule/0: main
 run/0: instruction main/0
+run/0: jump-if {name: "0", value: 0, type: 0, properties: ["0": "literal"]}, {name: "1", value: 1, type: 0, properties: ["1": "offset"]}
 run/0: ingredient 0 is 0
 run/0: jump-if fell through
 run/0: instruction main/1
+run/0: {name: "123", value: 123, type: 1, properties: ["123": "integer"]} <- copy {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: ingredient 0 is 1
 mem/0: storing 1 in location 123
diff --git a/cpp/.traces/jump_unless b/cpp/.traces/jump_unless
index 31055471..5c986093 100644
--- a/cpp/.traces/jump_unless
+++ b/cpp/.traces/jump_unless
@@ -10,6 +10,7 @@ after-brace/0: copy ...
 new/0: routine allocated memory from 1000 to 101000
 schedule/0: main
 run/0: instruction main/0
+run/0: jump-unless {name: "0", value: 0, type: 0, properties: ["0": "literal"]}, {name: "1", value: 1, type: 0, properties: ["1": "offset"]}
 run/0: ingredient 0 is 0
 run/0: ingredient 1 is 1
 run/0: jumping to instruction 2
diff --git a/cpp/.traces/jump_unless_fallthrough b/cpp/.traces/jump_unless_fallthrough
index 0785e2d0..b54b5c18 100644
--- a/cpp/.traces/jump_unless_fallthrough
+++ b/cpp/.traces/jump_unless_fallthrough
@@ -10,8 +10,10 @@ after-brace/0: copy ...
 new/0: routine allocated memory from 1000 to 101000
 schedule/0: main
 run/0: instruction main/0
+run/0: jump-unless {name: "999", value: 999, type: 0, properties: ["999": "literal"]}, {name: "1", value: 1, type: 0, properties: ["1": "offset"]}
 run/0: ingredient 0 is 999
 run/0: jump-unless fell through
 run/0: instruction main/1
+run/0: {name: "123", value: 123, type: 1, properties: ["123": "integer"]} <- copy {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: ingredient 0 is 1
 mem/0: storing 1 in location 123
diff --git a/cpp/.traces/lesser_or_equal b/cpp/.traces/lesser_or_equal
index 803ee048..a8f225ec 100644
--- a/cpp/.traces/lesser_or_equal
+++ b/cpp/.traces/lesser_or_equal
@@ -15,12 +15,15 @@ after-brace/0: lesser-or-equal ...
 new/0: routine allocated memory from 1000 to 101000
 schedule/0: main
 run/0: instruction main/0
+run/0: {name: "1", value: 1, type: 1, properties: ["1": "integer"]} <- copy {name: "32", value: 32, type: 0, properties: ["32": "literal"]}
 run/0: ingredient 0 is 32
 mem/0: storing 32 in location 1
 run/0: instruction main/1
+run/0: {name: "2", value: 2, type: 1, properties: ["2": "integer"]} <- copy {name: "33", value: 33, type: 0, properties: ["33": "literal"]}
 run/0: ingredient 0 is 33
 mem/0: storing 33 in location 2
 run/0: instruction main/2
+run/0: {name: "3", value: 3, type: 1, properties: ["3": "integer"]} <- lesser-or-equal {name: "1", value: 1, type: 1, properties: ["1": "integer"]}, {name: "2", value: 2, type: 1, properties: ["2": "integer"]}
 run/0: ingredient 0 is 1
 mem/0: location 1 is 32
 run/0: ingredient 1 is 2
diff --git a/cpp/.traces/lesser_or_equal2 b/cpp/.traces/lesser_or_equal2
index 306bb53f..a7ee1aff 100644
--- a/cpp/.traces/lesser_or_equal2
+++ b/cpp/.traces/lesser_or_equal2
@@ -15,12 +15,15 @@ after-brace/0: lesser-or-equal ...
 new/0: routine allocated memory from 1000 to 101000
 schedule/0: main
 run/0: instruction main/0
+run/0: {name: "1", value: 1, type: 1, properties: ["1": "integer"]} <- copy {name: "33", value: 33, type: 0, properties: ["33": "literal"]}
 run/0: ingredient 0 is 33
 mem/0: storing 33 in location 1
 run/0: instruction main/1
+run/0: {name: "2", value: 2, type: 1, properties: ["2": "integer"]} <- copy {name: "33", value: 33, type: 0, properties: ["33": "literal"]}
 run/0: ingredient 0 is 33
 mem/0: storing 33 in location 2
 run/0: instruction main/2
+run/0: {name: "3", value: 3, type: 1, properties: ["3": "integer"]} <- lesser-or-equal {name: "1", value: 1, type: 1, properties: ["1": "integer"]}, {name: "2", value: 2, type: 1, properties: ["2": "integer"]}
 run/0: ingredient 0 is 1
 mem/0: location 1 is 33
 run/0: ingredient 1 is 2
diff --git a/cpp/.traces/lesser_or_equal3 b/cpp/.traces/lesser_or_equal3
index 73148c77..027d1458 100644
--- a/cpp/.traces/lesser_or_equal3
+++ b/cpp/.traces/lesser_or_equal3
@@ -15,12 +15,15 @@ after-brace/0: lesser-or-equal ...
 new/0: routine allocated memory from 1000 to 101000
 schedule/0: main
 run/0: instruction main/0
+run/0: {name: "1", value: 1, type: 1, properties: ["1": "integer"]} <- copy {name: "34", value: 34, type: 0, properties: ["34": "literal"]}
 run/0: ingredient 0 is 34
 mem/0: storing 34 in location 1
 run/0: instruction main/1
+run/0: {name: "2", value: 2, type: 1, properties: ["2": "integer"]} <- copy {name: "33", value: 33, type: 0, properties: ["33": "literal"]}
 run/0: ingredient 0 is 33
 mem/0: storing 33 in location 2
 run/0: instruction main/2
+run/0: {name: "3", value: 3, type: 1, properties: ["3": "integer"]} <- lesser-or-equal {name: "1", value: 1, type: 1, properties: ["1": "integer"]}, {name: "2", value: 2, type: 1, properties: ["2": "integer"]}
 run/0: ingredient 0 is 1
 mem/0: location 1 is 34
 run/0: ingredient 1 is 2
diff --git a/cpp/.traces/lesser_than b/cpp/.traces/lesser_than
index 9295dc29..ccac221d 100644
--- a/cpp/.traces/lesser_than
+++ b/cpp/.traces/lesser_than
@@ -15,12 +15,15 @@ after-brace/0: lesser-than ...
 new/0: routine allocated memory from 1000 to 101000
 schedule/0: main
 run/0: instruction main/0
+run/0: {name: "1", value: 1, type: 1, properties: ["1": "integer"]} <- copy {name: "32", value: 32, type: 0, properties: ["32": "literal"]}
 run/0: ingredient 0 is 32
 mem/0: storing 32 in location 1
 run/0: instruction main/1
+run/0: {name: "2", value: 2, type: 1, properties: ["2": "integer"]} <- copy {name: "33", value: 33, type: 0, properties: ["33": "literal"]}
 run/0: ingredient 0 is 33
 mem/0: storing 33 in location 2
 run/0: instruction main/2
+run/0: {name: "3", value: 3, type: 1, properties: ["3": "integer"]} <- lesser-than {name: "1", value: 1, type: 1, properties: ["1": "integer"]}, {name: "2", value: 2, type: 1, properties: ["2": "integer"]}
 run/0: ingredient 0 is 1
 mem/0: location 1 is 32
 run/0: ingredient 1 is 2
diff --git a/cpp/.traces/lesser_than2 b/cpp/.traces/lesser_than2
index cb26c302..bddf9eff 100644
--- a/cpp/.traces/lesser_than2
+++ b/cpp/.traces/lesser_than2
@@ -15,12 +15,15 @@ after-brace/0: lesser-than ...
 new/0: routine allocated memory from 1000 to 101000
 schedule/0: main
 run/0: instruction main/0
+run/0: {name: "1", value: 1, type: 1, properties: ["1": "integer"]} <- copy {name: "34", value: 34, type: 0, properties: ["34": "literal"]}
 run/0: ingredient 0 is 34
 mem/0: storing 34 in location 1
 run/0: instruction main/1
+run/0: {name: "2", value: 2, type: 1, properties: ["2": "integer"]} <- copy {name: "33", value: 33, type: 0, properties: ["33": "literal"]}
 run/0: ingredient 0 is 33
 mem/0: storing 33 in location 2
 run/0: instruction main/2
+run/0: {name: "3", value: 3, type: 1, properties: ["3": "integer"]} <- lesser-than {name: "1", value: 1, type: 1, properties: ["1": "integer"]}, {name: "2", value: 2, type: 1, properties: ["2": "integer"]}
 run/0: ingredient 0 is 1
 mem/0: location 1 is 34
 run/0: ingredient 1 is 2
diff --git a/cpp/.traces/maybe_convert b/cpp/.traces/maybe_convert
index 3baed6d3..adb8ebe7 100644
--- a/cpp/.traces/maybe_convert
+++ b/cpp/.traces/maybe_convert
@@ -19,15 +19,19 @@ after-brace/0: maybe-convert ...
 new/0: routine allocated memory from 1000 to 101000
 schedule/0: main
 run/0: instruction main/0
+run/0: {name: "12", value: 12, type: 1, properties: ["12": "integer"]} <- copy {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: ingredient 0 is 1
 mem/0: storing 1 in location 12
 run/0: instruction main/1
+run/0: {name: "13", value: 13, type: 1, properties: ["13": "integer"]} <- copy {name: "35", value: 35, type: 0, properties: ["35": "literal"]}
 run/0: ingredient 0 is 35
 mem/0: storing 35 in location 13
 run/0: instruction main/2
+run/0: {name: "14", value: 14, type: 1, properties: ["14": "integer"]} <- copy {name: "36", value: 36, type: 0, properties: ["36": "literal"]}
 run/0: ingredient 0 is 36
 mem/0: storing 36 in location 14
 run/0: instruction main/3
+run/0: {name: "20", value: 20, type: 2-6, properties: ["20": "address":"point"]} <- maybe-convert {name: "12", value: 12, type: 8, properties: ["12": "integer-or-point"]}, {name: "1", value: 1, type: 0, properties: ["1": "variant"]}
 run/0: ingredient 0 is 12
 run/0: ingredient 1 is 1
 mem/0: storing 13 in location 20
diff --git a/cpp/.traces/maybe_convert_fail b/cpp/.traces/maybe_convert_fail
index b2b3c83a..31922135 100644
--- a/cpp/.traces/maybe_convert_fail
+++ b/cpp/.traces/maybe_convert_fail
@@ -19,15 +19,19 @@ after-brace/0: maybe-convert ...
 new/0: routine allocated memory from 1000 to 101000
 schedule/0: main
 run/0: instruction main/0
+run/0: {name: "12", value: 12, type: 1, properties: ["12": "integer"]} <- copy {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: ingredient 0 is 1
 mem/0: storing 1 in location 12
 run/0: instruction main/1
+run/0: {name: "13", value: 13, type: 1, properties: ["13": "integer"]} <- copy {name: "35", value: 35, type: 0, properties: ["35": "literal"]}
 run/0: ingredient 0 is 35
 mem/0: storing 35 in location 13
 run/0: instruction main/2
+run/0: {name: "14", value: 14, type: 1, properties: ["14": "integer"]} <- copy {name: "36", value: 36, type: 0, properties: ["36": "literal"]}
 run/0: ingredient 0 is 36
 mem/0: storing 36 in location 14
 run/0: instruction main/3
+run/0: {name: "20", value: 20, type: 2-6, properties: ["20": "address":"point"]} <- maybe-convert {name: "12", value: 12, type: 8, properties: ["12": "integer-or-point"]}, {name: "0", value: 0, type: 0, properties: ["0": "variant"]}
 run/0: ingredient 0 is 12
 run/0: ingredient 1 is 0
 mem/0: storing 0 in location 20
diff --git a/cpp/.traces/maybe_convert_named b/cpp/.traces/maybe_convert_named
index f0576fe3..3444a65f 100644
--- a/cpp/.traces/maybe_convert_named
+++ b/cpp/.traces/maybe_convert_named
@@ -20,15 +20,19 @@ after-brace/0: maybe-convert ...
 new/0: routine allocated memory from 1000 to 101000
 schedule/0: main
 run/0: instruction main/0
+run/0: {name: "12", value: 12, type: 1, properties: ["12": "integer"]} <- copy {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: ingredient 0 is 1
 mem/0: storing 1 in location 12
 run/0: instruction main/1
+run/0: {name: "13", value: 13, type: 1, properties: ["13": "integer"]} <- copy {name: "35", value: 35, type: 0, properties: ["35": "literal"]}
 run/0: ingredient 0 is 35
 mem/0: storing 35 in location 13
 run/0: instruction main/2
+run/0: {name: "14", value: 14, type: 1, properties: ["14": "integer"]} <- copy {name: "36", value: 36, type: 0, properties: ["36": "literal"]}
 run/0: ingredient 0 is 36
 mem/0: storing 36 in location 14
 run/0: instruction main/3
+run/0: {name: "20", value: 20, type: 2-6, properties: ["20": "address":"point"]} <- maybe-convert {name: "12", value: 12, type: 8, properties: ["12": "integer-or-point"]}, {name: "p", value: 1, type: 0, properties: ["p": "variant"]}
 run/0: ingredient 0 is 12
 run/0: ingredient 1 is p
 mem/0: storing 13 in location 20
diff --git a/cpp/.traces/multiply b/cpp/.traces/multiply
index 74c0c818..85425656 100644
--- a/cpp/.traces/multiply
+++ b/cpp/.traces/multiply
@@ -15,12 +15,15 @@ after-brace/0: multiply ...
 new/0: routine allocated memory from 1000 to 101000
 schedule/0: main
 run/0: instruction main/0
+run/0: {name: "1", value: 1, type: 1, properties: ["1": "integer"]} <- copy {name: "4", value: 4, type: 0, properties: ["4": "literal"]}
 run/0: ingredient 0 is 4
 mem/0: storing 4 in location 1
 run/0: instruction main/1
+run/0: {name: "2", value: 2, type: 1, properties: ["2": "integer"]} <- copy {name: "6", value: 6, type: 0, properties: ["6": "literal"]}
 run/0: ingredient 0 is 6
 mem/0: storing 6 in location 2
 run/0: instruction main/2
+run/0: {name: "3", value: 3, type: 1, properties: ["3": "integer"]} <- multiply {name: "1", value: 1, type: 1, properties: ["1": "integer"]}, {name: "2", value: 2, type: 1, properties: ["2": "integer"]}
 run/0: ingredient 0 is 1
 mem/0: location 1 is 4
 run/0: ingredient 1 is 2
diff --git a/cpp/.traces/multiply_literal b/cpp/.traces/multiply_literal
index 20701f9b..cd240a9a 100644
--- a/cpp/.traces/multiply_literal
+++ b/cpp/.traces/multiply_literal
@@ -7,6 +7,7 @@ after-brace/0: multiply ...
 new/0: routine allocated memory from 1000 to 101000
 schedule/0: main
 run/0: instruction main/0
+run/0: {name: "1", value: 1, type: 1, properties: ["1": "integer"]} <- multiply {name: "2", value: 2, type: 0, properties: ["2": "literal"]}, {name: "3", value: 3, type: 0, properties: ["3": "literal"]}
 run/0: ingredient 0 is 2
 run/0: ingredient 1 is 3
 run/0: ingredient 1 is 3
diff --git a/cpp/.traces/new b/cpp/.traces/new
index fdb33f1d..0ec29cd9 100644
--- a/cpp/.traces/new
+++ b/cpp/.traces/new
@@ -17,12 +17,15 @@ after-brace/0: equal ...
 new/0: routine allocated memory from 1000 to 101000
 schedule/0: main
 run/0: instruction main/0
+run/0: {name: "1", value: 1, type: 2-1, properties: ["1": "address":"integer", "raw": ]} <- new {name: "integer", value: 1, type: 0, properties: ["integer": "type"]}
 mem/0: new alloc: 1000
 mem/0: storing 1000 in location 1
 run/0: instruction main/1
+run/0: {name: "2", value: 2, type: 2-1, properties: ["2": "address":"integer", "raw": ]} <- new {name: "integer", value: 1, type: 0, properties: ["integer": "type"]}
 mem/0: new alloc: 1001
 mem/0: storing 1001 in location 2
 run/0: instruction main/2
+run/0: {name: "3", value: 3, type: 3, properties: ["3": "boolean", "raw": ]} <- equal {name: "1", value: 1, type: 2-1, properties: ["1": "address":"integer", "raw": ]}, {name: "2", value: 2, type: 2-1, properties: ["2": "address":"integer", "raw": ]}
 run/0: ingredient 0 is 1
 mem/0: location 1 is 1000
 run/0: ingredient 1 is 2
diff --git a/cpp/.traces/new_array b/cpp/.traces/new_array
index e692fc38..1cf28797 100644
--- a/cpp/.traces/new_array
+++ b/cpp/.traces/new_array
@@ -18,13 +18,16 @@ after-brace/0: subtract ...
 new/0: routine allocated memory from 1000 to 101000
 schedule/0: main
 run/0: instruction main/0
+run/0: {name: "1", value: 1, type: 2-5-1, properties: ["1": "address":"array":"integer", "raw": ]} <- new {name: "integer", value: 1, type: 0, properties: ["integer": "type"]}, {name: "5", value: 5, type: 0, properties: ["5": "literal"]}
 mem/0: array size is 5
 mem/0: new alloc: 1000
 mem/0: storing 1000 in location 1
 run/0: instruction main/1
+run/0: {name: "2", value: 2, type: 2-1, properties: ["2": "address":"integer", "raw": ]} <- new {name: "integer", value: 1, type: 0, properties: ["integer": "type"]}
 mem/0: new alloc: 1005
 mem/0: storing 1005 in location 2
 run/0: instruction main/2
+run/0: {name: "3", value: 3, type: 1, properties: ["3": "integer", "raw": ]} <- subtract {name: "2", value: 2, type: 2-1, properties: ["2": "address":"integer", "raw": ]}, {name: "1", value: 1, type: 2-5-1, properties: ["1": "address":"array":"integer", "raw": ]}
 run/0: ingredient 0 is 2
 mem/0: location 2 is 1005
 run/0: ingredient 1 is 1
diff --git a/cpp/.traces/new_concurrent b/cpp/.traces/new_concurrent
index 4f9f5327..a21c2fe6 100644
--- a/cpp/.traces/new_concurrent
+++ b/cpp/.traces/new_concurrent
@@ -21,16 +21,20 @@ after-brace/0: equal ...
 new/0: routine allocated memory from 1000 to 101000
 schedule/0: f1
 run/0: instruction f1/0
+run/0: run {name: "f2", value: 0, type: 0, properties: ["f2": "recipe"]}
 run/0: ingredient 0 is f2
 new/0: routine allocated memory from 101000 to 201000
 run/0: instruction f1/1
+run/0: {name: "1", value: 1, type: 2-1, properties: ["1": "address":"integer", "raw": ]} <- new {name: "integer", value: 1, type: 0, properties: ["integer": "type"]}
 mem/0: new alloc: 1000
 mem/0: storing 1000 in location 1
 schedule/0: f2
 run/0: instruction f2/0
+run/0: {name: "2", value: 2, type: 2-1, properties: ["2": "address":"integer", "raw": ]} <- new {name: "integer", value: 1, type: 0, properties: ["integer": "type"]}
 mem/0: new alloc: 101000
 mem/0: storing 101000 in location 2
 run/0: instruction f2/1
+run/0: {name: "3", value: 3, type: 3, properties: ["3": "boolean", "raw": ]} <- equal {name: "1", value: 1, type: 2-1, properties: ["1": "address":"integer", "raw": ]}, {name: "2", value: 2, type: 2-1, properties: ["2": "address":"integer", "raw": ]}
 run/0: ingredient 0 is 1
 mem/0: location 1 is 1000
 run/0: ingredient 1 is 2
diff --git a/cpp/.traces/new_overflow b/cpp/.traces/new_overflow
index 35cdb690..1e41e693 100644
--- a/cpp/.traces/new_overflow
+++ b/cpp/.traces/new_overflow
@@ -12,9 +12,11 @@ after-brace/0: new ...
 new/0: routine allocated memory from 1000 to 1002
 schedule/0: main
 run/0: instruction main/0
+run/0: {name: "1", value: 1, type: 2-1, properties: ["1": "address":"integer", "raw": ]} <- new {name: "integer", value: 1, type: 0, properties: ["integer": "type"]}
 mem/0: new alloc: 1000
 mem/0: storing 1000 in location 1
 run/0: instruction main/1
+run/0: {name: "2", value: 2, type: 2-6, properties: ["2": "address":"point", "raw": ]} <- new {name: "point", value: 6, type: 0, properties: ["point": "type"]}
 new/0: routine allocated memory from 1002 to 1004
 mem/0: new alloc: 1002
 mem/0: storing 1002 in location 2
diff --git a/cpp/.traces/new_string b/cpp/.traces/new_string
index 3cfa1d7c..d926b829 100644
--- a/cpp/.traces/new_string
+++ b/cpp/.traces/new_string
@@ -12,8 +12,10 @@ after-brace/0: index ...
 new/0: routine allocated memory from 1000 to 101000
 schedule/0: main
 run/0: instruction main/0
+run/0: {name: "1", value: 1, type: 2-5-4, properties: ["1": "address":"array":"character"]} <- new {name: "abc def", value: 0, type: 0, properties: ["abc def": "literal-string"]}
 mem/0: storing 1000 in location 1
 run/0: instruction main/1
+run/0: {name: "2", value: 2, type: 4, properties: ["2": "character"]} <- index {name: "1", value: 1, type: 2-5-4, properties: ["1": "address":"array":"character", "deref": ]}, {name: "5", value: 5, type: 0, properties: ["5": "literal"]}
 run/0: ingredient 0 is {name: "1", value: 1, type: 2-5-4, properties: ["1": "address":"array":"character", "deref": ]}
 mem/0: location 1 is 1000
 run/0: ingredient 1 is {name: "5", value: 5, type: 0, properties: ["5": "literal"]}
diff --git a/cpp/.traces/next_ingredient b/cpp/.traces/next_ingredient
index bcc3bfed..0b91ebf7 100644
--- a/cpp/.traces/next_ingredient
+++ b/cpp/.traces/next_ingredient
@@ -14,10 +14,13 @@ after-brace/0: add ...
 new/0: routine allocated memory from 1000 to 101000
 schedule/0: main
 run/0: instruction main/0
+run/0: f {name: "2", value: 2, type: 0, properties: ["2": "literal"]}
 run/0: instruction f/0
+run/0: {name: "12", value: 12, type: 1, properties: ["12": "integer"]} <- next-ingredient 
 run/0: product 0 is 2
 mem/0: storing 2 in location 12
 run/0: instruction f/1
+run/0: {name: "13", value: 13, type: 1, properties: ["13": "integer"]} <- add {name: "1", value: 1, type: 0, properties: ["1": "literal"]}, {name: "12", value: 12, type: 1, properties: ["12": "integer"]}
 run/0: ingredient 0 is 1
 run/0: ingredient 1 is 12
 mem/0: location 12 is 2
diff --git a/cpp/.traces/next_ingredient_missing b/cpp/.traces/next_ingredient_missing
index cc1c6d42..06f8e65c 100644
--- a/cpp/.traces/next_ingredient_missing
+++ b/cpp/.traces/next_ingredient_missing
@@ -9,5 +9,7 @@ after-brace/0: next-ingredient ...
 new/0: routine allocated memory from 1000 to 101000
 schedule/0: main
 run/0: instruction main/0
+run/0: f 
 run/0: instruction f/0
+run/0: {name: "_", value: 0, type: 0, properties: ["_": "dummy"]}, {name: "12", value: 12, type: 1, properties: ["12": "integer"]} <- next-ingredient 
 mem/0: storing 0 in location 12
diff --git a/cpp/.traces/not b/cpp/.traces/not
index 81962f94..24db029f 100644
--- a/cpp/.traces/not
+++ b/cpp/.traces/not
@@ -10,9 +10,11 @@ after-brace/0: not ...
 new/0: routine allocated memory from 1000 to 101000
 schedule/0: main
 run/0: instruction main/0
+run/0: {name: "1", value: 1, type: 1, properties: ["1": "integer"]} <- copy {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: ingredient 0 is 1
 mem/0: storing 1 in location 1
 run/0: instruction main/1
+run/0: {name: "2", value: 2, type: 1, properties: ["2": "integer"]} <- not {name: "1", value: 1, type: 1, properties: ["1": "integer"]}
 run/0: ingredient 0 is 1
 mem/0: location 1 is 1
 run/0: product 0 is 0
diff --git a/cpp/.traces/or b/cpp/.traces/or
index 422558bc..50a78dee 100644
--- a/cpp/.traces/or
+++ b/cpp/.traces/or
@@ -15,12 +15,15 @@ after-brace/0: or ...
 new/0: routine allocated memory from 1000 to 101000
 schedule/0: main
 run/0: instruction main/0
+run/0: {name: "1", value: 1, type: 1, properties: ["1": "integer"]} <- copy {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: ingredient 0 is 1
 mem/0: storing 1 in location 1
 run/0: instruction main/1
+run/0: {name: "2", value: 2, type: 1, properties: ["2": "integer"]} <- copy {name: "0", value: 0, type: 0, properties: ["0": "literal"]}
 run/0: ingredient 0 is 0
 mem/0: storing 0 in location 2
 run/0: instruction main/2
+run/0: {name: "3", value: 3, type: 1, properties: ["3": "integer"]} <- or {name: "1", value: 1, type: 1, properties: ["1": "integer"]}, {name: "2", value: 2, type: 1, properties: ["2": "integer"]}
 run/0: ingredient 0 is 1
 mem/0: location 1 is 1
 run/0: ingredient 1 is 2
diff --git a/cpp/.traces/reply b/cpp/.traces/reply
index 4793d27c..de83831a 100644
--- a/cpp/.traces/reply
+++ b/cpp/.traces/reply
@@ -20,16 +20,20 @@ after-brace/0: reply ...
 new/0: routine allocated memory from 1000 to 101000
 schedule/0: main
 run/0: instruction main/0
+run/0: {name: "3", value: 3, type: 1, properties: ["3": "integer"]}, {name: "4", value: 4, type: 1, properties: ["4": "integer"]} <- f {name: "2", value: 2, type: 0, properties: ["2": "literal"]}
 run/0: instruction f/0
+run/0: {name: "12", value: 12, type: 1, properties: ["12": "integer"]} <- next-ingredient 
 run/0: product 0 is 2
 mem/0: storing 2 in location 12
 run/0: instruction f/1
+run/0: {name: "13", value: 13, type: 1, properties: ["13": "integer"]} <- add {name: "1", value: 1, type: 0, properties: ["1": "literal"]}, {name: "12", value: 12, type: 1, properties: ["12": "integer"]}
 run/0: ingredient 0 is 1
 run/0: ingredient 1 is 12
 mem/0: location 12 is 2
 run/0: product 0 is 3
 mem/0: storing 3 in location 13
 run/0: instruction f/2
+run/0: reply {name: "12", value: 12, type: 1, properties: ["12": "integer"]}, {name: "13", value: 13, type: 1, properties: ["13": "integer"]}
 mem/0: location 12 is 2
 mem/0: location 13 is 3
 run/0: result 0 is 2
diff --git a/cpp/.traces/reply_container b/cpp/.traces/reply_container
index c3518d49..10916f34 100644
--- a/cpp/.traces/reply_container
+++ b/cpp/.traces/reply_container
@@ -17,13 +17,17 @@ after-brace/0: reply ...
 new/0: routine allocated memory from 1000 to 101000
 schedule/0: main
 run/0: instruction main/0
+run/0: {name: "3", value: 3, type: 6, properties: ["3": "point"]} <- f {name: "2", value: 2, type: 0, properties: ["2": "literal"]}
 run/0: instruction f/0
+run/0: {name: "12", value: 12, type: 1, properties: ["12": "integer"]} <- next-ingredient 
 run/0: product 0 is 2
 mem/0: storing 2 in location 12
 run/0: instruction f/1
+run/0: {name: "13", value: 13, type: 1, properties: ["13": "integer"]} <- copy {name: "35", value: 35, type: 0, properties: ["35": "literal"]}
 run/0: ingredient 0 is 35
 mem/0: storing 35 in location 13
 run/0: instruction f/2
+run/0: reply {name: "12", value: 12, type: 6, properties: ["12": "point"]}
 mem/0: location 12 is 2
 mem/0: location 13 is 35
 run/0: result 0 is [2, 35]
diff --git a/cpp/.traces/reply_same_as_ingredient b/cpp/.traces/reply_same_as_ingredient
index ee430bd7..781da74a 100644
--- a/cpp/.traces/reply_same_as_ingredient
+++ b/cpp/.traces/reply_same_as_ingredient
@@ -18,14 +18,18 @@ after-brace/0: reply ...
 new/0: routine allocated memory from 1000 to 101000
 schedule/0: main
 run/0: instruction main/0
+run/0: {name: "1", value: 1, type: 2-1, properties: ["1": "address":"integer"]} <- new {name: "integer", value: 1, type: 0, properties: ["integer": "type"]}
 mem/0: new alloc: 1000
 mem/0: storing 1000 in location 1
 run/0: instruction main/1
+run/0: {name: "2", value: 2, type: 2-1, properties: ["2": "address":"integer"]} <- test1 {name: "1", value: 1, type: 2-1, properties: ["1": "address":"integer"]}
 mem/0: location 1 is 1000
 run/0: instruction test1/0
+run/0: {name: "10", value: 10, type: 2-1, properties: ["10": "address":"integer"]} <- next-ingredient 
 run/0: product 0 is 1000
 mem/0: storing 1000 in location 10
 run/0: instruction test1/1
+run/0: reply {name: "10", value: 10, type: 2-1, properties: ["10": "address":"integer", "same-as-ingredient": "0"]}
 mem/0: location 10 is 1000
 run/0: result 0 is 1000
 warn/0: 'same-as-ingredient' result 2 must be location 1
diff --git a/cpp/.traces/return_on_fallthrough b/cpp/.traces/return_on_fallthrough
index f6df99fb..60b3b79f 100644
--- a/cpp/.traces/return_on_fallthrough
+++ b/cpp/.traces/return_on_fallthrough
@@ -25,18 +25,24 @@ after-brace/0: copy ...
 new/0: routine allocated memory from 1000 to 101000
 schedule/0: main
 run/0: instruction main/0
+run/0: f 
 run/0: instruction f/0
+run/0: {name: "4", value: 4, type: 1, properties: ["4": "integer"]} <- copy {name: "34", value: 34, type: 0, properties: ["34": "literal"]}
 run/0: ingredient 0 is 34
 mem/0: storing 34 in location 4
 run/0: instruction f/1
+run/0: {name: "5", value: 5, type: 1, properties: ["5": "integer"]} <- copy {name: "34", value: 34, type: 0, properties: ["34": "literal"]}
 run/0: ingredient 0 is 34
 mem/0: storing 34 in location 5
 run/0: instruction main/1
+run/0: {name: "1", value: 1, type: 1, properties: ["1": "integer"]} <- copy {name: "34", value: 34, type: 0, properties: ["34": "literal"]}
 run/0: ingredient 0 is 34
 mem/0: storing 34 in location 1
 run/0: instruction main/2
+run/0: {name: "2", value: 2, type: 1, properties: ["2": "integer"]} <- copy {name: "34", value: 34, type: 0, properties: ["34": "literal"]}
 run/0: ingredient 0 is 34
 mem/0: storing 34 in location 2
 run/0: instruction main/3
+run/0: {name: "3", value: 3, type: 1, properties: ["3": "integer"]} <- copy {name: "34", value: 34, type: 0, properties: ["34": "literal"]}
 run/0: ingredient 0 is 34
 mem/0: storing 34 in location 3
diff --git a/cpp/.traces/rewind_ingredients b/cpp/.traces/rewind_ingredients
index c1231232..ffe655b3 100644
--- a/cpp/.traces/rewind_ingredients
+++ b/cpp/.traces/rewind_ingredients
@@ -19,13 +19,18 @@ after-brace/0: next-ingredient ...
 new/0: routine allocated memory from 1000 to 101000
 schedule/0: main
 run/0: instruction main/0
+run/0: f {name: "2", value: 2, type: 0, properties: ["2": "literal"]}
 run/0: instruction f/0
+run/0: {name: "12", value: 12, type: 1, properties: ["12": "integer"]} <- next-ingredient 
 run/0: product 0 is 2
 mem/0: storing 2 in location 12
 run/0: instruction f/1
+run/0: {name: "_", value: 0, type: 0, properties: ["_": "dummy"]}, {name: "1", value: 1, type: 3, properties: ["1": "boolean"]} <- next-ingredient 
 mem/0: storing 0 in location 1
 run/0: instruction f/2
+run/0: rewind-ingredients 
 run/0: instruction f/3
+run/0: {name: "13", value: 13, type: 1, properties: ["13": "integer"]}, {name: "2", value: 2, type: 3, properties: ["2": "boolean"]} <- next-ingredient 
 run/0: product 0 is 2
 mem/0: storing 2 in location 13
 mem/0: storing 1 in location 2
diff --git a/cpp/.traces/run_dummy b/cpp/.traces/run_dummy
index 6cc72980..49ad354d 100644
--- a/cpp/.traces/run_dummy
+++ b/cpp/.traces/run_dummy
@@ -6,4 +6,5 @@ after-brace/0: copy ...
 new/0: routine allocated memory from 1000 to 101000
 schedule/0: main
 run/0: instruction main/0
+run/0: {name: "_", value: 0, type: 0, properties: ["_": "dummy"]} <- copy {name: "0", value: 0, type: 0, properties: ["0": "literal"]}
 run/0: ingredient 0 is 0
diff --git a/cpp/.traces/run_label b/cpp/.traces/run_label
index 60cf4bbb..4d643bd7 100644
--- a/cpp/.traces/run_label
+++ b/cpp/.traces/run_label
@@ -11,9 +11,11 @@ after-brace/0: copy ...
 new/0: routine allocated memory from 1000 to 101000
 schedule/0: main
 run/0: instruction main/1
+run/0: {name: "1", value: 1, type: 1, properties: ["1": "integer"]} <- copy {name: "23", value: 23, type: 0, properties: ["23": "literal"]}
 run/0: ingredient 0 is 23
 mem/0: storing 23 in location 1
 run/0: instruction main/2
+run/0: {name: "2", value: 2, type: 1, properties: ["2": "integer"]} <- copy {name: "1", value: 1, type: 1, properties: ["1": "integer"]}
 run/0: ingredient 0 is 1
 mem/0: location 1 is 23
 mem/0: storing 23 in location 2
diff --git a/cpp/.traces/scheduler b/cpp/.traces/scheduler
index 0a02e949..072dbcdb 100644
--- a/cpp/.traces/scheduler
+++ b/cpp/.traces/scheduler
@@ -14,12 +14,15 @@ after-brace/0: copy ...
 new/0: routine allocated memory from 1000 to 101000
 schedule/0: f1
 run/0: instruction f1/0
+run/0: run {name: "f2", value: 0, type: 0, properties: ["f2": "recipe"]}
 run/0: ingredient 0 is f2
 new/0: routine allocated memory from 101000 to 201000
 run/0: instruction f1/1
+run/0: {name: "1", value: 1, type: 1, properties: ["1": "integer"]} <- copy {name: "3", value: 3, type: 0, properties: ["3": "literal"]}
 run/0: ingredient 0 is 3
 mem/0: storing 3 in location 1
 schedule/0: f2
 run/0: instruction f2/0
+run/0: {name: "2", value: 2, type: 1, properties: ["2": "integer"]} <- copy {name: "4", value: 4, type: 0, properties: ["4": "literal"]}
 run/0: ingredient 0 is 4
 mem/0: storing 4 in location 2
diff --git a/cpp/.traces/scheduler_interleaves_routines b/cpp/.traces/scheduler_interleaves_routines
index 99fc8eb5..35b25d6e 100644
--- a/cpp/.traces/scheduler_interleaves_routines
+++ b/cpp/.traces/scheduler_interleaves_routines
@@ -22,22 +22,27 @@ after-brace/0: copy ...
 new/0: routine allocated memory from 1000 to 101000
 schedule/0: f1
 run/0: instruction f1/0
+run/0: run {name: "f2", value: 0, type: 0, properties: ["f2": "recipe"]}
 run/0: ingredient 0 is f2
 new/0: routine allocated memory from 101000 to 201000
 schedule/0: f2
 run/0: instruction f2/0
+run/0: {name: "3", value: 3, type: 1, properties: ["3": "integer"]} <- copy {name: "4", value: 4, type: 0, properties: ["4": "literal"]}
 run/0: ingredient 0 is 4
 mem/0: storing 4 in location 3
 schedule/0: f1
 run/0: instruction f1/1
+run/0: {name: "1", value: 1, type: 1, properties: ["1": "integer"]} <- copy {name: "0", value: 0, type: 0, properties: ["0": "literal"]}
 run/0: ingredient 0 is 0
 mem/0: storing 0 in location 1
 schedule/0: f2
 run/0: instruction f2/1
+run/0: {name: "4", value: 4, type: 1, properties: ["4": "integer"]} <- copy {name: "4", value: 4, type: 0, properties: ["4": "literal"]}
 run/0: ingredient 0 is 4
 mem/0: storing 4 in location 4
 schedule/0: f1
 run/0: instruction f1/2
+run/0: {name: "2", value: 2, type: 1, properties: ["2": "integer"]} <- copy {name: "0", value: 0, type: 0, properties: ["0": "literal"]}
 run/0: ingredient 0 is 0
 mem/0: storing 0 in location 2
 schedule/0: f2
diff --git a/cpp/.traces/set_default_space b/cpp/.traces/set_default_space
index b1d99e84..fbaa9aec 100644
--- a/cpp/.traces/set_default_space
+++ b/cpp/.traces/set_default_space
@@ -14,10 +14,13 @@ after-brace/0: copy ...
 new/0: routine allocated memory from 1000 to 101000
 schedule/0: main
 run/0: instruction main/0
+run/0: {name: "10", value: 10, type: 1, properties: ["10": "integer"]} <- copy {name: "5", value: 5, type: 0, properties: ["5": "literal"]}
 run/0: ingredient 0 is 5
 mem/0: storing 5 in location 10
 run/0: instruction main/1
+run/0: {name: "default-space", value: 0, type: 2-5-1, properties: ["default-space": "address":"array":"location"]} <- copy {name: "10", value: 10, type: 0, properties: ["10": "literal"]}
 run/0: ingredient 0 is 10
 run/0: instruction main/2
+run/0: {name: "1", value: 1, type: 1, properties: ["1": "integer"]} <- copy {name: "23", value: 23, type: 0, properties: ["23": "literal"]}
 run/0: ingredient 0 is 23
 mem/0: storing 23 in location 12
diff --git a/cpp/.traces/store_indirect b/cpp/.traces/store_indirect
index fc979e97..0bfc8cc6 100644
--- a/cpp/.traces/store_indirect
+++ b/cpp/.traces/store_indirect
@@ -10,9 +10,11 @@ after-brace/0: copy ...
 new/0: routine allocated memory from 1000 to 101000
 schedule/0: main
 run/0: instruction main/0
+run/0: {name: "1", value: 1, type: 2-1, properties: ["1": "address":"integer"]} <- copy {name: "2", value: 2, type: 0, properties: ["2": "literal"]}
 run/0: ingredient 0 is 2
 mem/0: storing 2 in location 1
 run/0: instruction main/1
+run/0: {name: "1", value: 1, type: 2-1, properties: ["1": "address":"integer", "deref": ]} <- copy {name: "34", value: 34, type: 0, properties: ["34": "literal"]}
 run/0: ingredient 0 is 34
 mem/0: location 1 is 2
 mem/0: storing 34 in location 2
diff --git a/cpp/.traces/string-append-1 b/cpp/.traces/string-append-1
index afdc8dcb..ce50ab28 100644
--- a/cpp/.traces/string-append-1
+++ b/cpp/.traces/string-append-1
@@ -21,28 +21,37 @@ after-brace/0: copy ...
 new/0: routine allocated memory from 1000 to 101000
 schedule/0: test-string-append-1
 run/0: instruction test-string-append-1/0
+run/0: {name: "1", value: 1, type: 2-5-4, properties: ["1": "address":"array":"character", "raw": ]} <- new {name: "hello,", value: 0, type: 0, properties: ["hello,": "literal-string"]}
 mem/0: storing 1000 in location 1
 run/0: instruction test-string-append-1/1
+run/0: {name: "2", value: 2, type: 2-5-4, properties: ["2": "address":"array":"character", "raw": ]} <- new {name: " world!", value: 0, type: 0, properties: [" world!": "literal-string"]}
 mem/0: storing 1007 in location 2
 run/0: instruction test-string-append-1/2
+run/0: {name: "3", value: 3, type: 2-5-4, properties: ["3": "address":"array":"character", "raw": ]} <- string-append {name: "1", value: 1, type: 2-5-4, properties: ["1": "address":"array":"character", "raw": ]}, {name: "2", value: 2, type: 2-5-4, properties: ["2": "address":"array":"character", "raw": ]}
 mem/0: location 1 is 1000
 mem/0: location 2 is 1007
 run/0: instruction string-append/0
+run/0: {name: "default-space", value: 0, type: 2-5-1, properties: ["default-space": "address":"array":"location"]} <- new {name: "location", value: 1, type: 0, properties: ["location": "type"]}, {name: "30", value: 30, type: 0, properties: ["30": "literal"]}
 mem/0: array size is 30
 mem/0: new alloc: 1015
 run/0: instruction string-append/1
+run/0: {name: "a", value: 1, type: 2-5-4, properties: ["a": "address":"array":"character"]} <- next-ingredient 
 run/0: product 0 is 1000
 mem/0: storing 1000 in location 1017
 run/0: instruction string-append/2
+run/0: {name: "a-len", value: 2, type: 1, properties: ["a-len": "integer"]} <- length {name: "a", value: 1, type: 2-5-4, properties: ["a": "address":"array":"character", "deref": ]}
 mem/0: location 1017 is 1000
 mem/0: storing 6 in location 1018
 run/0: instruction string-append/3
+run/0: {name: "b", value: 3, type: 2-5-4, properties: ["b": "address":"array":"character"]} <- next-ingredient 
 run/0: product 0 is 1007
 mem/0: storing 1007 in location 1019
 run/0: instruction string-append/4
+run/0: {name: "b-len", value: 4, type: 1, properties: ["b-len": "integer"]} <- length {name: "b", value: 3, type: 2-5-4, properties: ["b": "address":"array":"character", "deref": ]}
 mem/0: location 1019 is 1007
 mem/0: storing 7 in location 1020
 run/0: instruction string-append/5
+run/0: {name: "result-len", value: 5, type: 1, properties: ["result-len": "integer"]} <- add {name: "a-len", value: 2, type: 1, properties: ["a-len": "integer"]}, {name: "b-len", value: 4, type: 1, properties: ["b-len": "integer"]}
 run/0: ingredient 0 is a-len
 mem/0: location 1018 is 6
 run/0: ingredient 1 is b-len
@@ -50,17 +59,21 @@ mem/0: location 1020 is 7
 run/0: product 0 is 13
 mem/0: storing 13 in location 1021
 run/0: instruction string-append/6
+run/0: {name: "result", value: 6, type: 2-5-4, properties: ["result": "address":"array":"character"]} <- new {name: "character", value: 4, type: 0, properties: ["character": "type"]}, {name: "result-len", value: 5, type: 1, properties: ["result-len": "integer"]}
 mem/0: location 1021 is 13
 mem/0: array size is 13
 mem/0: new alloc: 1045
 mem/0: storing 1045 in location 1022
 run/0: instruction string-append/7
+run/0: {name: "result-idx", value: 7, type: 1, properties: ["result-idx": "integer"]} <- copy {name: "0", value: 0, type: 0, properties: ["0": "literal"]}
 run/0: ingredient 0 is 0
 mem/0: storing 0 in location 1023
 run/0: instruction string-append/8
+run/0: {name: "i", value: 8, type: 1, properties: ["i": "integer"]} <- copy {name: "0", value: 0, type: 0, properties: ["0": "literal"]}
 run/0: ingredient 0 is 0
 mem/0: storing 0 in location 1024
 run/0: instruction string-append/10
+run/0: {name: "a-done?", value: 9, type: 3, properties: ["a-done?": "boolean"]} <- greater-or-equal {name: "i", value: 8, type: 1, properties: ["i": "integer"]}, {name: "a-len", value: 2, type: 1, properties: ["a-len": "integer"]}
 run/0: ingredient 0 is i
 mem/0: location 1024 is 0
 run/0: ingredient 1 is a-len
@@ -68,10 +81,12 @@ mem/0: location 1018 is 6
 run/0: product 0 is 0
 mem/0: storing 0 in location 1025
 run/0: instruction string-append/11
+run/0: break-if {name: "a-done?", value: 9, type: 3, properties: ["a-done?": "boolean"]}, {name: "", value: 6, type: , properties: ["": ]}
 mem/0: location 1025 is 0
 run/0: ingredient 0 is 0
 run/0: jump-if fell through
 run/0: instruction string-append/12
+run/0: {name: "out", value: 10, type: 2-4, properties: ["out": "address":"character"]} <- index-address {name: "result", value: 6, type: 2-5-4, properties: ["result": "address":"array":"character", "deref": ]}, {name: "result-idx", value: 7, type: 1, properties: ["result-idx": "integer"]}
 run/0: ingredient 0 is result
 mem/0: location 1022 is 1045
 run/0: ingredient 1 is {name: "result-idx", value: 7, type: 1, properties: ["result-idx": "integer"]}
@@ -80,6 +95,7 @@ run/0: address to copy is 1046
 run/0: product 0 is 1046
 mem/0: storing 1046 in location 1026
 run/0: instruction string-append/13
+run/0: {name: "in", value: 11, type: 4, properties: ["in": "character"]} <- index {name: "a", value: 1, type: 2-5-4, properties: ["a": "address":"array":"character", "deref": ]}, {name: "i", value: 8, type: 1, properties: ["i": "integer"]}
 run/0: ingredient 0 is {name: "a", value: 1, type: 2-5-4, properties: ["a": "address":"array":"character", "deref": ]}
 mem/0: location 1017 is 1000
 run/0: ingredient 1 is {name: "i", value: 8, type: 1, properties: ["i": "integer"]}
@@ -90,26 +106,31 @@ mem/0: location 1001 is 104
 run/0: product 0 is 104
 mem/0: storing 104 in location 1027
 run/0: instruction string-append/14
+run/0: {name: "out", value: 10, type: 2-4, properties: ["out": "address":"character", "deref": ]} <- copy {name: "in", value: 11, type: 4, properties: ["in": "character"]}
 run/0: ingredient 0 is in
 mem/0: location 1027 is 104
 mem/0: location 1026 is 1046
 mem/0: storing 104 in location 1046
 run/0: instruction string-append/15
+run/0: {name: "i", value: 8, type: 1, properties: ["i": "integer"]} <- add {name: "i", value: 8, type: 1, properties: ["i": "integer"]}, {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: ingredient 0 is i
 mem/0: location 1024 is 0
 run/0: ingredient 1 is 1
 run/0: product 0 is 1
 mem/0: storing 1 in location 1024
 run/0: instruction string-append/16
+run/0: {name: "result-idx", value: 7, type: 1, properties: ["result-idx": "integer"]} <- add {name: "result-idx", value: 7, type: 1, properties: ["result-idx": "integer"]}, {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: ingredient 0 is result-idx
 mem/0: location 1023 is 0
 run/0: ingredient 1 is 1
 run/0: product 0 is 1
 mem/0: storing 1 in location 1023
 run/0: instruction string-append/17
+run/0: loop {name: "", value: -8, type: , properties: ["": ]}
 run/0: ingredient 0 is -8
 run/0: jumping to instruction 10
 run/0: instruction string-append/10
+run/0: {name: "a-done?", value: 9, type: 3, properties: ["a-done?": "boolean"]} <- greater-or-equal {name: "i", value: 8, type: 1, properties: ["i": "integer"]}, {name: "a-len", value: 2, type: 1, properties: ["a-len": "integer"]}
 run/0: ingredient 0 is i
 mem/0: location 1024 is 1
 run/0: ingredient 1 is a-len
@@ -117,10 +138,12 @@ mem/0: location 1018 is 6
 run/0: product 0 is 0
 mem/0: storing 0 in location 1025
 run/0: instruction string-append/11
+run/0: break-if {name: "a-done?", value: 9, type: 3, properties: ["a-done?": "boolean"]}, {name: "", value: 6, type: , properties: ["": ]}
 mem/0: location 1025 is 0
 run/0: ingredient 0 is 0
 run/0: jump-if fell through
 run/0: instruction string-append/12
+run/0: {name: "out", value: 10, type: 2-4, properties: ["out": "address":"character"]} <- index-address {name: "result", value: 6, type: 2-5-4, properties: ["result": "address":"array":"character", "deref": ]}, {name: "result-idx", value: 7, type: 1, properties: ["result-idx": "integer"]}
 run/0: ingredient 0 is result
 mem/0: location 1022 is 1045
 run/0: ingredient 1 is {name: "result-idx", value: 7, type: 1, properties: ["result-idx": "integer"]}
@@ -129,6 +152,7 @@ run/0: address to copy is 1047
 run/0: product 0 is 1047
 mem/0: storing 1047 in location 1026
 run/0: instruction string-append/13
+run/0: {name: "in", value: 11, type: 4, properties: ["in": "character"]} <- index {name: "a", value: 1, type: 2-5-4, properties: ["a": "address":"array":"character", "deref": ]}, {name: "i", value: 8, type: 1, properties: ["i": "integer"]}
 run/0: ingredient 0 is {name: "a", value: 1, type: 2-5-4, properties: ["a": "address":"array":"character", "deref": ]}
 mem/0: location 1017 is 1000
 run/0: ingredient 1 is {name: "i", value: 8, type: 1, properties: ["i": "integer"]}
@@ -139,26 +163,31 @@ mem/0: location 1002 is 101
 run/0: product 0 is 101
 mem/0: storing 101 in location 1027
 run/0: instruction string-append/14
+run/0: {name: "out", value: 10, type: 2-4, properties: ["out": "address":"character", "deref": ]} <- copy {name: "in", value: 11, type: 4, properties: ["in": "character"]}
 run/0: ingredient 0 is in
 mem/0: location 1027 is 101
 mem/0: location 1026 is 1047
 mem/0: storing 101 in location 1047
 run/0: instruction string-append/15
+run/0: {name: "i", value: 8, type: 1, properties: ["i": "integer"]} <- add {name: "i", value: 8, type: 1, properties: ["i": "integer"]}, {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: ingredient 0 is i
 mem/0: location 1024 is 1
 run/0: ingredient 1 is 1
 run/0: product 0 is 2
 mem/0: storing 2 in location 1024
 run/0: instruction string-append/16
+run/0: {name: "result-idx", value: 7, type: 1, properties: ["result-idx": "integer"]} <- add {name: "result-idx", value: 7, type: 1, properties: ["result-idx": "integer"]}, {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: ingredient 0 is result-idx
 mem/0: location 1023 is 1
 run/0: ingredient 1 is 1
 run/0: product 0 is 2
 mem/0: storing 2 in location 1023
 run/0: instruction string-append/17
+run/0: loop {name: "", value: -8, type: , properties: ["": ]}
 run/0: ingredient 0 is -8
 run/0: jumping to instruction 10
 run/0: instruction string-append/10
+run/0: {name: "a-done?", value: 9, type: 3, properties: ["a-done?": "boolean"]} <- greater-or-equal {name: "i", value: 8, type: 1, properties: ["i": "integer"]}, {name: "a-len", value: 2, type: 1, properties: ["a-len": "integer"]}
 run/0: ingredient 0 is i
 mem/0: location 1024 is 2
 run/0: ingredient 1 is a-len
@@ -166,10 +195,12 @@ mem/0: location 1018 is 6
 run/0: product 0 is 0
 mem/0: storing 0 in location 1025
 run/0: instruction string-append/11
+run/0: break-if {name: "a-done?", value: 9, type: 3, properties: ["a-done?": "boolean"]}, {name: "", value: 6, type: , properties: ["": ]}
 mem/0: location 1025 is 0
 run/0: ingredient 0 is 0
 run/0: jump-if fell through
 run/0: instruction string-append/12
+run/0: {name: "out", value: 10, type: 2-4, properties: ["out": "address":"character"]} <- index-address {name: "result", value: 6, type: 2-5-4, properties: ["result": "address":"array":"character", "deref": ]}, {name: "result-idx", value: 7, type: 1, properties: ["result-idx": "integer"]}
 run/0: ingredient 0 is result
 mem/0: location 1022 is 1045
 run/0: ingredient 1 is {name: "result-idx", value: 7, type: 1, properties: ["result-idx": "integer"]}
@@ -178,6 +209,7 @@ run/0: address to copy is 1048
 run/0: product 0 is 1048
 mem/0: storing 1048 in location 1026
 run/0: instruction string-append/13
+run/0: {name: "in", value: 11, type: 4, properties: ["in": "character"]} <- index {name: "a", value: 1, type: 2-5-4, properties: ["a": "address":"array":"character", "deref": ]}, {name: "i", value: 8, type: 1, properties: ["i": "integer"]}
 run/0: ingredient 0 is {name: "a", value: 1, type: 2-5-4, properties: ["a": "address":"array":"character", "deref": ]}
 mem/0: location 1017 is 1000
 run/0: ingredient 1 is {name: "i", value: 8, type: 1, properties: ["i": "integer"]}
@@ -188,26 +220,31 @@ mem/0: location 1003 is 108
 run/0: product 0 is 108
 mem/0: storing 108 in location 1027
 run/0: instruction string-append/14
+run/0: {name: "out", value: 10, type: 2-4, properties: ["out": "address":"character", "deref": ]} <- copy {name: "in", value: 11, type: 4, properties: ["in": "character"]}
 run/0: ingredient 0 is in
 mem/0: location 1027 is 108
 mem/0: location 1026 is 1048
 mem/0: storing 108 in location 1048
 run/0: instruction string-append/15
+run/0: {name: "i", value: 8, type: 1, properties: ["i": "integer"]} <- add {name: "i", value: 8, type: 1, properties: ["i": "integer"]}, {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: ingredient 0 is i
 mem/0: location 1024 is 2
 run/0: ingredient 1 is 1
 run/0: product 0 is 3
 mem/0: storing 3 in location 1024
 run/0: instruction string-append/16
+run/0: {name: "result-idx", value: 7, type: 1, properties: ["result-idx": "integer"]} <- add {name: "result-idx", value: 7, type: 1, properties: ["result-idx": "integer"]}, {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: ingredient 0 is result-idx
 mem/0: location 1023 is 2
 run/0: ingredient 1 is 1
 run/0: product 0 is 3
 mem/0: storing 3 in location 1023
 run/0: instruction string-append/17
+run/0: loop {name: "", value: -8, type: , properties: ["": ]}
 run/0: ingredient 0 is -8
 run/0: jumping to instruction 10
 run/0: instruction string-append/10
+run/0: {name: "a-done?", value: 9, type: 3, properties: ["a-done?": "boolean"]} <- greater-or-equal {name: "i", value: 8, type: 1, properties: ["i": "integer"]}, {name: "a-len", value: 2, type: 1, properties: ["a-len": "integer"]}
 run/0: ingredient 0 is i
 mem/0: location 1024 is 3
 run/0: ingredient 1 is a-len
@@ -215,10 +252,12 @@ mem/0: location 1018 is 6
 run/0: product 0 is 0
 mem/0: storing 0 in location 1025
 run/0: instruction string-append/11
+run/0: break-if {name: "a-done?", value: 9, type: 3, properties: ["a-done?": "boolean"]}, {name: "", value: 6, type: , properties: ["": ]}
 mem/0: location 1025 is 0
 run/0: ingredient 0 is 0
 run/0: jump-if fell through
 run/0: instruction string-append/12
+run/0: {name: "out", value: 10, type: 2-4, properties: ["out": "address":"character"]} <- index-address {name: "result", value: 6, type: 2-5-4, properties: ["result": "address":"array":"character", "deref": ]}, {name: "result-idx", value: 7, type: 1, properties: ["result-idx": "integer"]}
 run/0: ingredient 0 is result
 mem/0: location 1022 is 1045
 run/0: ingredient 1 is {name: "result-idx", value: 7, type: 1, properties: ["result-idx": "integer"]}
@@ -227,6 +266,7 @@ run/0: address to copy is 1049
 run/0: product 0 is 1049
 mem/0: storing 1049 in location 1026
 run/0: instruction string-append/13
+run/0: {name: "in", value: 11, type: 4, properties: ["in": "character"]} <- index {name: "a", value: 1, type: 2-5-4, properties: ["a": "address":"array":"character", "deref": ]}, {name: "i", value: 8, type: 1, properties: ["i": "integer"]}
 run/0: ingredient 0 is {name: "a", value: 1, type: 2-5-4, properties: ["a": "address":"array":"character", "deref": ]}
 mem/0: location 1017 is 1000
 run/0: ingredient 1 is {name: "i", value: 8, type: 1, properties: ["i": "integer"]}
@@ -237,26 +277,31 @@ mem/0: location 1004 is 108
 run/0: product 0 is 108
 mem/0: storing 108 in location 1027
 run/0: instruction string-append/14
+run/0: {name: "out", value: 10, type: 2-4, properties: ["out": "address":"character", "deref": ]} <- copy {name: "in", value: 11, type: 4, properties: ["in": "character"]}
 run/0: ingredient 0 is in
 mem/0: location 1027 is 108
 mem/0: location 1026 is 1049
 mem/0: storing 108 in location 1049
 run/0: instruction string-append/15
+run/0: {name: "i", value: 8, type: 1, properties: ["i": "integer"]} <- add {name: "i", value: 8, type: 1, properties: ["i": "integer"]}, {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: ingredient 0 is i
 mem/0: location 1024 is 3
 run/0: ingredient 1 is 1
 run/0: product 0 is 4
 mem/0: storing 4 in location 1024
 run/0: instruction string-append/16
+run/0: {name: "result-idx", value: 7, type: 1, properties: ["result-idx": "integer"]} <- add {name: "result-idx", value: 7, type: 1, properties: ["result-idx": "integer"]}, {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: ingredient 0 is result-idx
 mem/0: location 1023 is 3
 run/0: ingredient 1 is 1
 run/0: product 0 is 4
 mem/0: storing 4 in location 1023
 run/0: instruction string-append/17
+run/0: loop {name: "", value: -8, type: , properties: ["": ]}
 run/0: ingredient 0 is -8
 run/0: jumping to instruction 10
 run/0: instruction string-append/10
+run/0: {name: "a-done?", value: 9, type: 3, properties: ["a-done?": "boolean"]} <- greater-or-equal {name: "i", value: 8, type: 1, properties: ["i": "integer"]}, {name: "a-len", value: 2, type: 1, properties: ["a-len": "integer"]}
 run/0: ingredient 0 is i
 mem/0: location 1024 is 4
 run/0: ingredient 1 is a-len
@@ -264,10 +309,12 @@ mem/0: location 1018 is 6
 run/0: product 0 is 0
 mem/0: storing 0 in location 1025
 run/0: instruction string-append/11
+run/0: break-if {name: "a-done?", value: 9, type: 3, properties: ["a-done?": "boolean"]}, {name: "", value: 6, type: , properties: ["": ]}
 mem/0: location 1025 is 0
 run/0: ingredient 0 is 0
 run/0: jump-if fell through
 run/0: instruction string-append/12
+run/0: {name: "out", value: 10, type: 2-4, properties: ["out": "address":"character"]} <- index-address {name: "result", value: 6, type: 2-5-4, properties: ["result": "address":"array":"character", "deref": ]}, {name: "result-idx", value: 7, type: 1, properties: ["result-idx": "integer"]}
 run/0: ingredient 0 is result
 mem/0: location 1022 is 1045
 run/0: ingredient 1 is {name: "result-idx", value: 7, type: 1, properties: ["result-idx": "integer"]}
@@ -276,6 +323,7 @@ run/0: address to copy is 1050
 run/0: product 0 is 1050
 mem/0: storing 1050 in location 1026
 run/0: instruction string-append/13
+run/0: {name: "in", value: 11, type: 4, properties: ["in": "character"]} <- index {name: "a", value: 1, type: 2-5-4, properties: ["a": "address":"array":"character", "deref": ]}, {name: "i", value: 8, type: 1, properties: ["i": "integer"]}
 run/0: ingredient 0 is {name: "a", value: 1, type: 2-5-4, properties: ["a": "address":"array":"character", "deref": ]}
 mem/0: location 1017 is 1000
 run/0: ingredient 1 is {name: "i", value: 8, type: 1, properties: ["i": "integer"]}
@@ -286,26 +334,31 @@ mem/0: location 1005 is 111
 run/0: product 0 is 111
 mem/0: storing 111 in location 1027
 run/0: instruction string-append/14
+run/0: {name: "out", value: 10, type: 2-4, properties: ["out": "address":"character", "deref": ]} <- copy {name: "in", value: 11, type: 4, properties: ["in": "character"]}
 run/0: ingredient 0 is in
 mem/0: location 1027 is 111
 mem/0: location 1026 is 1050
 mem/0: storing 111 in location 1050
 run/0: instruction string-append/15
+run/0: {name: "i", value: 8, type: 1, properties: ["i": "integer"]} <- add {name: "i", value: 8, type: 1, properties: ["i": "integer"]}, {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: ingredient 0 is i
 mem/0: location 1024 is 4
 run/0: ingredient 1 is 1
 run/0: product 0 is 5
 mem/0: storing 5 in location 1024
 run/0: instruction string-append/16
+run/0: {name: "result-idx", value: 7, type: 1, properties: ["result-idx": "integer"]} <- add {name: "result-idx", value: 7, type: 1, properties: ["result-idx": "integer"]}, {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: ingredient 0 is result-idx
 mem/0: location 1023 is 4
 run/0: ingredient 1 is 1
 run/0: product 0 is 5
 mem/0: storing 5 in location 1023
 run/0: instruction string-append/17
+run/0: loop {name: "", value: -8, type: , properties: ["": ]}
 run/0: ingredient 0 is -8
 run/0: jumping to instruction 10
 run/0: instruction string-append/10
+run/0: {name: "a-done?", value: 9, type: 3, properties: ["a-done?": "boolean"]} <- greater-or-equal {name: "i", value: 8, type: 1, properties: ["i": "integer"]}, {name: "a-len", value: 2, type: 1, properties: ["a-len": "integer"]}
 run/0: ingredient 0 is i
 mem/0: location 1024 is 5
 run/0: ingredient 1 is a-len
@@ -313,10 +366,12 @@ mem/0: location 1018 is 6
 run/0: product 0 is 0
 mem/0: storing 0 in location 1025
 run/0: instruction string-append/11
+run/0: break-if {name: "a-done?", value: 9, type: 3, properties: ["a-done?": "boolean"]}, {name: "", value: 6, type: , properties: ["": ]}
 mem/0: location 1025 is 0
 run/0: ingredient 0 is 0
 run/0: jump-if fell through
 run/0: instruction string-append/12
+run/0: {name: "out", value: 10, type: 2-4, properties: ["out": "address":"character"]} <- index-address {name: "result", value: 6, type: 2-5-4, properties: ["result": "address":"array":"character", "deref": ]}, {name: "result-idx", value: 7, type: 1, properties: ["result-idx": "integer"]}
 run/0: ingredient 0 is result
 mem/0: location 1022 is 1045
 run/0: ingredient 1 is {name: "result-idx", value: 7, type: 1, properties: ["result-idx": "integer"]}
@@ -325,6 +380,7 @@ run/0: address to copy is 1051
 run/0: product 0 is 1051
 mem/0: storing 1051 in location 1026
 run/0: instruction string-append/13
+run/0: {name: "in", value: 11, type: 4, properties: ["in": "character"]} <- index {name: "a", value: 1, type: 2-5-4, properties: ["a": "address":"array":"character", "deref": ]}, {name: "i", value: 8, type: 1, properties: ["i": "integer"]}
 run/0: ingredient 0 is {name: "a", value: 1, type: 2-5-4, properties: ["a": "address":"array":"character", "deref": ]}
 mem/0: location 1017 is 1000
 run/0: ingredient 1 is {name: "i", value: 8, type: 1, properties: ["i": "integer"]}
@@ -335,26 +391,31 @@ mem/0: location 1006 is 44
 run/0: product 0 is 44
 mem/0: storing 44 in location 1027
 run/0: instruction string-append/14
+run/0: {name: "out", value: 10, type: 2-4, properties: ["out": "address":"character", "deref": ]} <- copy {name: "in", value: 11, type: 4, properties: ["in": "character"]}
 run/0: ingredient 0 is in
 mem/0: location 1027 is 44
 mem/0: location 1026 is 1051
 mem/0: storing 44 in location 1051
 run/0: instruction string-append/15
+run/0: {name: "i", value: 8, type: 1, properties: ["i": "integer"]} <- add {name: "i", value: 8, type: 1, properties: ["i": "integer"]}, {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: ingredient 0 is i
 mem/0: location 1024 is 5
 run/0: ingredient 1 is 1
 run/0: product 0 is 6
 mem/0: storing 6 in location 1024
 run/0: instruction string-append/16
+run/0: {name: "result-idx", value: 7, type: 1, properties: ["result-idx": "integer"]} <- add {name: "result-idx", value: 7, type: 1, properties: ["result-idx": "integer"]}, {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: ingredient 0 is result-idx
 mem/0: location 1023 is 5
 run/0: ingredient 1 is 1
 run/0: product 0 is 6
 mem/0: storing 6 in location 1023
 run/0: instruction string-append/17
+run/0: loop {name: "", value: -8, type: , properties: ["": ]}
 run/0: ingredient 0 is -8
 run/0: jumping to instruction 10
 run/0: instruction string-append/10
+run/0: {name: "a-done?", value: 9, type: 3, properties: ["a-done?": "boolean"]} <- greater-or-equal {name: "i", value: 8, type: 1, properties: ["i": "integer"]}, {name: "a-len", value: 2, type: 1, properties: ["a-len": "integer"]}
 run/0: ingredient 0 is i
 mem/0: location 1024 is 6
 run/0: ingredient 1 is a-len
@@ -362,14 +423,17 @@ mem/0: location 1018 is 6
 run/0: product 0 is 1
 mem/0: storing 1 in location 1025
 run/0: instruction string-append/11
+run/0: break-if {name: "a-done?", value: 9, type: 3, properties: ["a-done?": "boolean"]}, {name: "", value: 6, type: , properties: ["": ]}
 mem/0: location 1025 is 1
 run/0: ingredient 0 is 1
 run/0: ingredient 1 is 
 run/0: jumping to instruction 18
 run/0: instruction string-append/19
+run/0: {name: "i", value: 8, type: 1, properties: ["i": "integer"]} <- copy {name: "0", value: 0, type: 0, properties: ["0": "literal"]}
 run/0: ingredient 0 is 0
 mem/0: storing 0 in location 1024
 run/0: instruction string-append/21
+run/0: {name: "b-done?", value: 12, type: 3, properties: ["b-done?": "boolean"]} <- greater-or-equal {name: "i", value: 8, type: 1, properties: ["i": "integer"]}, {name: "b-len", value: 4, type: 1, properties: ["b-len": "integer"]}
 run/0: ingredient 0 is i
 mem/0: location 1024 is 0
 run/0: ingredient 1 is b-len
@@ -377,10 +441,12 @@ mem/0: location 1020 is 7
 run/0: product 0 is 0
 mem/0: storing 0 in location 1028
 run/0: instruction string-append/22
+run/0: break-if {name: "b-done?", value: 12, type: 3, properties: ["b-done?": "boolean"]}, {name: "", value: 6, type: , properties: ["": ]}
 mem/0: location 1028 is 0
 run/0: ingredient 0 is 0
 run/0: jump-if fell through
 run/0: instruction string-append/23
+run/0: {name: "out", value: 10, type: 2-4, properties: ["out": "address":"character"]} <- index-address {name: "result", value: 6, type: 2-5-4, properties: ["result": "address":"array":"character", "deref": ]}, {name: "result-idx", value: 7, type: 1, properties: ["result-idx": "integer"]}
 run/0: ingredient 0 is result
 mem/0: location 1022 is 1045
 run/0: ingredient 1 is {name: "result-idx", value: 7, type: 1, properties: ["result-idx": "integer"]}
@@ -389,6 +455,7 @@ run/0: address to copy is 1052
 run/0: product 0 is 1052
 mem/0: storing 1052 in location 1026
 run/0: instruction string-append/24
+run/0: {name: "in", value: 11, type: 4, properties: ["in": "character"]} <- index {name: "b", value: 3, type: 2-5-4, properties: ["b": "address":"array":"character", "deref": ]}, {name: "i", value: 8, type: 1, properties: ["i": "integer"]}
 run/0: ingredient 0 is {name: "b", value: 3, type: 2-5-4, properties: ["b": "address":"array":"character", "deref": ]}
 mem/0: location 1019 is 1007
 run/0: ingredient 1 is {name: "i", value: 8, type: 1, properties: ["i": "integer"]}
@@ -399,26 +466,31 @@ mem/0: location 1008 is 32
 run/0: product 0 is 32
 mem/0: storing 32 in location 1027
 run/0: instruction string-append/25
+run/0: {name: "out", value: 10, type: 2-4, properties: ["out": "address":"character", "deref": ]} <- copy {name: "in", value: 11, type: 4, properties: ["in": "character"]}
 run/0: ingredient 0 is in
 mem/0: location 1027 is 32
 mem/0: location 1026 is 1052
 mem/0: storing 32 in location 1052
 run/0: instruction string-append/26
+run/0: {name: "i", value: 8, type: 1, properties: ["i": "integer"]} <- add {name: "i", value: 8, type: 1, properties: ["i": "integer"]}, {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: ingredient 0 is i
 mem/0: location 1024 is 0
 run/0: ingredient 1 is 1
 run/0: product 0 is 1
 mem/0: storing 1 in location 1024
 run/0: instruction string-append/27
+run/0: {name: "result-idx", value: 7, type: 1, properties: ["result-idx": "integer"]} <- add {name: "result-idx", value: 7, type: 1, properties: ["result-idx": "integer"]}, {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: ingredient 0 is result-idx
 mem/0: location 1023 is 6
 run/0: ingredient 1 is 1
 run/0: product 0 is 7
 mem/0: storing 7 in location 1023
 run/0: instruction string-append/28
+run/0: loop {name: "", value: -8, type: , properties: ["": ]}
 run/0: ingredient 0 is -8
 run/0: jumping to instruction 21
 run/0: instruction string-append/21
+run/0: {name: "b-done?", value: 12, type: 3, properties: ["b-done?": "boolean"]} <- greater-or-equal {name: "i", value: 8, type: 1, properties: ["i": "integer"]}, {name: "b-len", value: 4, type: 1, properties: ["b-len": "integer"]}
 run/0: ingredient 0 is i
 mem/0: location 1024 is 1
 run/0: ingredient 1 is b-len
@@ -426,10 +498,12 @@ mem/0: location 1020 is 7
 run/0: product 0 is 0
 mem/0: storing 0 in location 1028
 run/0: instruction string-append/22
+run/0: break-if {name: "b-done?", value: 12, type: 3, properties: ["b-done?": "boolean"]}, {name: "", value: 6, type: , properties: ["": ]}
 mem/0: location 1028 is 0
 run/0: ingredient 0 is 0
 run/0: jump-if fell through
 run/0: instruction string-append/23
+run/0: {name: "out", value: 10, type: 2-4, properties: ["out": "address":"character"]} <- index-address {name: "result", value: 6, type: 2-5-4, properties: ["result": "address":"array":"character", "deref": ]}, {name: "result-idx", value: 7, type: 1, properties: ["result-idx": "integer"]}
 run/0: ingredient 0 is result
 mem/0: location 1022 is 1045
 run/0: ingredient 1 is {name: "result-idx", value: 7, type: 1, properties: ["result-idx": "integer"]}
@@ -438,6 +512,7 @@ run/0: address to copy is 1053
 run/0: product 0 is 1053
 mem/0: storing 1053 in location 1026
 run/0: instruction string-append/24
+run/0: {name: "in", value: 11, type: 4, properties: ["in": "character"]} <- index {name: "b", value: 3, type: 2-5-4, properties: ["b": "address":"array":"character", "deref": ]}, {name: "i", value: 8, type: 1, properties: ["i": "integer"]}
 run/0: ingredient 0 is {name: "b", value: 3, type: 2-5-4, properties: ["b": "address":"array":"character", "deref": ]}
 mem/0: location 1019 is 1007
 run/0: ingredient 1 is {name: "i", value: 8, type: 1, properties: ["i": "integer"]}
@@ -448,26 +523,31 @@ mem/0: location 1009 is 119
 run/0: product 0 is 119
 mem/0: storing 119 in location 1027
 run/0: instruction string-append/25
+run/0: {name: "out", value: 10, type: 2-4, properties: ["out": "address":"character", "deref": ]} <- copy {name: "in", value: 11, type: 4, properties: ["in": "character"]}
 run/0: ingredient 0 is in
 mem/0: location 1027 is 119
 mem/0: location 1026 is 1053
 mem/0: storing 119 in location 1053
 run/0: instruction string-append/26
+run/0: {name: "i", value: 8, type: 1, properties: ["i": "integer"]} <- add {name: "i", value: 8, type: 1, properties: ["i": "integer"]}, {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: ingredient 0 is i
 mem/0: location 1024 is 1
 run/0: ingredient 1 is 1
 run/0: product 0 is 2
 mem/0: storing 2 in location 1024
 run/0: instruction string-append/27
+run/0: {name: "result-idx", value: 7, type: 1, properties: ["result-idx": "integer"]} <- add {name: "result-idx", value: 7, type: 1, properties: ["result-idx": "integer"]}, {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: ingredient 0 is result-idx
 mem/0: location 1023 is 7
 run/0: ingredient 1 is 1
 run/0: product 0 is 8
 mem/0: storing 8 in location 1023
 run/0: instruction string-append/28
+run/0: loop {name: "", value: -8, type: , properties: ["": ]}
 run/0: ingredient 0 is -8
 run/0: jumping to instruction 21
 run/0: instruction string-append/21
+run/0: {name: "b-done?", value: 12, type: 3, properties: ["b-done?": "boolean"]} <- greater-or-equal {name: "i", value: 8, type: 1, properties: ["i": "integer"]}, {name: "b-len", value: 4, type: 1, properties: ["b-len": "integer"]}
 run/0: ingredient 0 is i
 mem/0: location 1024 is 2
 run/0: ingredient 1 is b-len
@@ -475,10 +555,12 @@ mem/0: location 1020 is 7
 run/0: product 0 is 0
 mem/0: storing 0 in location 1028
 run/0: instruction string-append/22
+run/0: break-if {name: "b-done?", value: 12, type: 3, properties: ["b-done?": "boolean"]}, {name: "", value: 6, type: , properties: ["": ]}
 mem/0: location 1028 is 0
 run/0: ingredient 0 is 0
 run/0: jump-if fell through
 run/0: instruction string-append/23
+run/0: {name: "out", value: 10, type: 2-4, properties: ["out": "address":"character"]} <- index-address {name: "result", value: 6, type: 2-5-4, properties: ["result": "address":"array":"character", "deref": ]}, {name: "result-idx", value: 7, type: 1, properties: ["result-idx": "integer"]}
 run/0: ingredient 0 is result
 mem/0: location 1022 is 1045
 run/0: ingredient 1 is {name: "result-idx", value: 7, type: 1, properties: ["result-idx": "integer"]}
@@ -487,6 +569,7 @@ run/0: address to copy is 1054
 run/0: product 0 is 1054
 mem/0: storing 1054 in location 1026
 run/0: instruction string-append/24
+run/0: {name: "in", value: 11, type: 4, properties: ["in": "character"]} <- index {name: "b", value: 3, type: 2-5-4, properties: ["b": "address":"array":"character", "deref": ]}, {name: "i", value: 8, type: 1, properties: ["i": "integer"]}
 run/0: ingredient 0 is {name: "b", value: 3, type: 2-5-4, properties: ["b": "address":"array":"character", "deref": ]}
 mem/0: location 1019 is 1007
 run/0: ingredient 1 is {name: "i", value: 8, type: 1, properties: ["i": "integer"]}
@@ -497,26 +580,31 @@ mem/0: location 1010 is 111
 run/0: product 0 is 111
 mem/0: storing 111 in location 1027
 run/0: instruction string-append/25
+run/0: {name: "out", value: 10, type: 2-4, properties: ["out": "address":"character", "deref": ]} <- copy {name: "in", value: 11, type: 4, properties: ["in": "character"]}
 run/0: ingredient 0 is in
 mem/0: location 1027 is 111
 mem/0: location 1026 is 1054
 mem/0: storing 111 in location 1054
 run/0: instruction string-append/26
+run/0: {name: "i", value: 8, type: 1, properties: ["i": "integer"]} <- add {name: "i", value: 8, type: 1, properties: ["i": "integer"]}, {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: ingredient 0 is i
 mem/0: location 1024 is 2
 run/0: ingredient 1 is 1
 run/0: product 0 is 3
 mem/0: storing 3 in location 1024
 run/0: instruction string-append/27
+run/0: {name: "result-idx", value: 7, type: 1, properties: ["result-idx": "integer"]} <- add {name: "result-idx", value: 7, type: 1, properties: ["result-idx": "integer"]}, {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: ingredient 0 is result-idx
 mem/0: location 1023 is 8
 run/0: ingredient 1 is 1
 run/0: product 0 is 9
 mem/0: storing 9 in location 1023
 run/0: instruction string-append/28
+run/0: loop {name: "", value: -8, type: , properties: ["": ]}
 run/0: ingredient 0 is -8
 run/0: jumping to instruction 21
 run/0: instruction string-append/21
+run/0: {name: "b-done?", value: 12, type: 3, properties: ["b-done?": "boolean"]} <- greater-or-equal {name: "i", value: 8, type: 1, properties: ["i": "integer"]}, {name: "b-len", value: 4, type: 1, properties: ["b-len": "integer"]}
 run/0: ingredient 0 is i
 mem/0: location 1024 is 3
 run/0: ingredient 1 is b-len
@@ -524,10 +612,12 @@ mem/0: location 1020 is 7
 run/0: product 0 is 0
 mem/0: storing 0 in location 1028
 run/0: instruction string-append/22
+run/0: break-if {name: "b-done?", value: 12, type: 3, properties: ["b-done?": "boolean"]}, {name: "", value: 6, type: , properties: ["": ]}
 mem/0: location 1028 is 0
 run/0: ingredient 0 is 0
 run/0: jump-if fell through
 run/0: instruction string-append/23
+run/0: {name: "out", value: 10, type: 2-4, properties: ["out": "address":"character"]} <- index-address {name: "result", value: 6, type: 2-5-4, properties: ["result": "address":"array":"character", "deref": ]}, {name: "result-idx", value: 7, type: 1, properties: ["result-idx": "integer"]}
 run/0: ingredient 0 is result
 mem/0: location 1022 is 1045
 run/0: ingredient 1 is {name: "result-idx", value: 7, type: 1, properties: ["result-idx": "integer"]}
@@ -536,6 +626,7 @@ run/0: address to copy is 1055
 run/0: product 0 is 1055
 mem/0: storing 1055 in location 1026
 run/0: instruction string-append/24
+run/0: {name: "in", value: 11, type: 4, properties: ["in": "character"]} <- index {name: "b", value: 3, type: 2-5-4, properties: ["b": "address":"array":"character", "deref": ]}, {name: "i", value: 8, type: 1, properties: ["i": "integer"]}
 run/0: ingredient 0 is {name: "b", value: 3, type: 2-5-4, properties: ["b": "address":"array":"character", "deref": ]}
 mem/0: location 1019 is 1007
 run/0: ingredient 1 is {name: "i", value: 8, type: 1, properties: ["i": "integer"]}
@@ -546,26 +637,31 @@ mem/0: location 1011 is 114
 run/0: product 0 is 114
 mem/0: storing 114 in location 1027
 run/0: instruction string-append/25
+run/0: {name: "out", value: 10, type: 2-4, properties: ["out": "address":"character", "deref": ]} <- copy {name: "in", value: 11, type: 4, properties: ["in": "character"]}
 run/0: ingredient 0 is in
 mem/0: location 1027 is 114
 mem/0: location 1026 is 1055
 mem/0: storing 114 in location 1055
 run/0: instruction string-append/26
+run/0: {name: "i", value: 8, type: 1, properties: ["i": "integer"]} <- add {name: "i", value: 8, type: 1, properties: ["i": "integer"]}, {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: ingredient 0 is i
 mem/0: location 1024 is 3
 run/0: ingredient 1 is 1
 run/0: product 0 is 4
 mem/0: storing 4 in location 1024
 run/0: instruction string-append/27
+run/0: {name: "result-idx", value: 7, type: 1, properties: ["result-idx": "integer"]} <- add {name: "result-idx", value: 7, type: 1, properties: ["result-idx": "integer"]}, {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: ingredient 0 is result-idx
 mem/0: location 1023 is 9
 run/0: ingredient 1 is 1
 run/0: product 0 is 10
 mem/0: storing 10 in location 1023
 run/0: instruction string-append/28
+run/0: loop {name: "", value: -8, type: , properties: ["": ]}
 run/0: ingredient 0 is -8
 run/0: jumping to instruction 21
 run/0: instruction string-append/21
+run/0: {name: "b-done?", value: 12, type: 3, properties: ["b-done?": "boolean"]} <- greater-or-equal {name: "i", value: 8, type: 1, properties: ["i": "integer"]}, {name: "b-len", value: 4, type: 1, properties: ["b-len": "integer"]}
 run/0: ingredient 0 is i
 mem/0: location 1024 is 4
 run/0: ingredient 1 is b-len
@@ -573,10 +669,12 @@ mem/0: location 1020 is 7
 run/0: product 0 is 0
 mem/0: storing 0 in location 1028
 run/0: instruction string-append/22
+run/0: break-if {name: "b-done?", value: 12, type: 3, properties: ["b-done?": "boolean"]}, {name: "", value: 6, type: , properties: ["": ]}
 mem/0: location 1028 is 0
 run/0: ingredient 0 is 0
 run/0: jump-if fell through
 run/0: instruction string-append/23
+run/0: {name: "out", value: 10, type: 2-4, properties: ["out": "address":"character"]} <- index-address {name: "result", value: 6, type: 2-5-4, properties: ["result": "address":"array":"character", "deref": ]}, {name: "result-idx", value: 7, type: 1, properties: ["result-idx": "integer"]}
 run/0: ingredient 0 is result
 mem/0: location 1022 is 1045
 run/0: ingredient 1 is {name: "result-idx", value: 7, type: 1, properties: ["result-idx": "integer"]}
@@ -585,6 +683,7 @@ run/0: address to copy is 1056
 run/0: product 0 is 1056
 mem/0: storing 1056 in location 1026
 run/0: instruction string-append/24
+run/0: {name: "in", value: 11, type: 4, properties: ["in": "character"]} <- index {name: "b", value: 3, type: 2-5-4, properties: ["b": "address":"array":"character", "deref": ]}, {name: "i", value: 8, type: 1, properties: ["i": "integer"]}
 run/0: ingredient 0 is {name: "b", value: 3, type: 2-5-4, properties: ["b": "address":"array":"character", "deref": ]}
 mem/0: location 1019 is 1007
 run/0: ingredient 1 is {name: "i", value: 8, type: 1, properties: ["i": "integer"]}
@@ -595,26 +694,31 @@ mem/0: location 1012 is 108
 run/0: product 0 is 108
 mem/0: storing 108 in location 1027
 run/0: instruction string-append/25
+run/0: {name: "out", value: 10, type: 2-4, properties: ["out": "address":"character", "deref": ]} <- copy {name: "in", value: 11, type: 4, properties: ["in": "character"]}
 run/0: ingredient 0 is in
 mem/0: location 1027 is 108
 mem/0: location 1026 is 1056
 mem/0: storing 108 in location 1056
 run/0: instruction string-append/26
+run/0: {name: "i", value: 8, type: 1, properties: ["i": "integer"]} <- add {name: "i", value: 8, type: 1, properties: ["i": "integer"]}, {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: ingredient 0 is i
 mem/0: location 1024 is 4
 run/0: ingredient 1 is 1
 run/0: product 0 is 5
 mem/0: storing 5 in location 1024
 run/0: instruction string-append/27
+run/0: {name: "result-idx", value: 7, type: 1, properties: ["result-idx": "integer"]} <- add {name: "result-idx", value: 7, type: 1, properties: ["result-idx": "integer"]}, {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: ingredient 0 is result-idx
 mem/0: location 1023 is 10
 run/0: ingredient 1 is 1
 run/0: product 0 is 11
 mem/0: storing 11 in location 1023
 run/0: instruction string-append/28
+run/0: loop {name: "", value: -8, type: , properties: ["": ]}
 run/0: ingredient 0 is -8
 run/0: jumping to instruction 21
 run/0: instruction string-append/21
+run/0: {name: "b-done?", value: 12, type: 3, properties: ["b-done?": "boolean"]} <- greater-or-equal {name: "i", value: 8, type: 1, properties: ["i": "integer"]}, {name: "b-len", value: 4, type: 1, properties: ["b-len": "integer"]}
 run/0: ingredient 0 is i
 mem/0: location 1024 is 5
 run/0: ingredient 1 is b-len
@@ -622,10 +726,12 @@ mem/0: location 1020 is 7
 run/0: product 0 is 0
 mem/0: storing 0 in location 1028
 run/0: instruction string-append/22
+run/0: break-if {name: "b-done?", value: 12, type: 3, properties: ["b-done?": "boolean"]}, {name: "", value: 6, type: , properties: ["": ]}
 mem/0: location 1028 is 0
 run/0: ingredient 0 is 0
 run/0: jump-if fell through
 run/0: instruction string-append/23
+run/0: {name: "out", value: 10, type: 2-4, properties: ["out": "address":"character"]} <- index-address {name: "result", value: 6, type: 2-5-4, properties: ["result": "address":"array":"character", "deref": ]}, {name: "result-idx", value: 7, type: 1, properties: ["result-idx": "integer"]}
 run/0: ingredient 0 is result
 mem/0: location 1022 is 1045
 run/0: ingredient 1 is {name: "result-idx", value: 7, type: 1, properties: ["result-idx": "integer"]}
@@ -634,6 +740,7 @@ run/0: address to copy is 1057
 run/0: product 0 is 1057
 mem/0: storing 1057 in location 1026
 run/0: instruction string-append/24
+run/0: {name: "in", value: 11, type: 4, properties: ["in": "character"]} <- index {name: "b", value: 3, type: 2-5-4, properties: ["b": "address":"array":"character", "deref": ]}, {name: "i", value: 8, type: 1, properties: ["i": "integer"]}
 run/0: ingredient 0 is {name: "b", value: 3, type: 2-5-4, properties: ["b": "address":"array":"character", "deref": ]}
 mem/0: location 1019 is 1007
 run/0: ingredient 1 is {name: "i", value: 8, type: 1, properties: ["i": "integer"]}
@@ -644,26 +751,31 @@ mem/0: location 1013 is 100
 run/0: product 0 is 100
 mem/0: storing 100 in location 1027
 run/0: instruction string-append/25
+run/0: {name: "out", value: 10, type: 2-4, properties: ["out": "address":"character", "deref": ]} <- copy {name: "in", value: 11, type: 4, properties: ["in": "character"]}
 run/0: ingredient 0 is in
 mem/0: location 1027 is 100
 mem/0: location 1026 is 1057
 mem/0: storing 100 in location 1057
 run/0: instruction string-append/26
+run/0: {name: "i", value: 8, type: 1, properties: ["i": "integer"]} <- add {name: "i", value: 8, type: 1, properties: ["i": "integer"]}, {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: ingredient 0 is i
 mem/0: location 1024 is 5
 run/0: ingredient 1 is 1
 run/0: product 0 is 6
 mem/0: storing 6 in location 1024
 run/0: instruction string-append/27
+run/0: {name: "result-idx", value: 7, type: 1, properties: ["result-idx": "integer"]} <- add {name: "result-idx", value: 7, type: 1, properties: ["result-idx": "integer"]}, {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: ingredient 0 is result-idx
 mem/0: location 1023 is 11
 run/0: ingredient 1 is 1
 run/0: product 0 is 12
 mem/0: storing 12 in location 1023
 run/0: instruction string-append/28
+run/0: loop {name: "", value: -8, type: , properties: ["": ]}
 run/0: ingredient 0 is -8
 run/0: jumping to instruction 21
 run/0: instruction string-append/21
+run/0: {name: "b-done?", value: 12, type: 3, properties: ["b-done?": "boolean"]} <- greater-or-equal {name: "i", value: 8, type: 1, properties: ["i": "integer"]}, {name: "b-len", value: 4, type: 1, properties: ["b-len": "integer"]}
 run/0: ingredient 0 is i
 mem/0: location 1024 is 6
 run/0: ingredient 1 is b-len
@@ -671,10 +783,12 @@ mem/0: location 1020 is 7
 run/0: product 0 is 0
 mem/0: storing 0 in location 1028
 run/0: instruction string-append/22
+run/0: break-if {name: "b-done?", value: 12, type: 3, properties: ["b-done?": "boolean"]}, {name: "", value: 6, type: , properties: ["": ]}
 mem/0: location 1028 is 0
 run/0: ingredient 0 is 0
 run/0: jump-if fell through
 run/0: instruction string-append/23
+run/0: {name: "out", value: 10, type: 2-4, properties: ["out": "address":"character"]} <- index-address {name: "result", value: 6, type: 2-5-4, properties: ["result": "address":"array":"character", "deref": ]}, {name: "result-idx", value: 7, type: 1, properties: ["result-idx": "integer"]}
 run/0: ingredient 0 is result
 mem/0: location 1022 is 1045
 run/0: ingredient 1 is {name: "result-idx", value: 7, type: 1, properties: ["result-idx": "integer"]}
@@ -683,6 +797,7 @@ run/0: address to copy is 1058
 run/0: product 0 is 1058
 mem/0: storing 1058 in location 1026
 run/0: instruction string-append/24
+run/0: {name: "in", value: 11, type: 4, properties: ["in": "character"]} <- index {name: "b", value: 3, type: 2-5-4, properties: ["b": "address":"array":"character", "deref": ]}, {name: "i", value: 8, type: 1, properties: ["i": "integer"]}
 run/0: ingredient 0 is {name: "b", value: 3, type: 2-5-4, properties: ["b": "address":"array":"character", "deref": ]}
 mem/0: location 1019 is 1007
 run/0: ingredient 1 is {name: "i", value: 8, type: 1, properties: ["i": "integer"]}
@@ -693,26 +808,31 @@ mem/0: location 1014 is 33
 run/0: product 0 is 33
 mem/0: storing 33 in location 1027
 run/0: instruction string-append/25
+run/0: {name: "out", value: 10, type: 2-4, properties: ["out": "address":"character", "deref": ]} <- copy {name: "in", value: 11, type: 4, properties: ["in": "character"]}
 run/0: ingredient 0 is in
 mem/0: location 1027 is 33
 mem/0: location 1026 is 1058
 mem/0: storing 33 in location 1058
 run/0: instruction string-append/26
+run/0: {name: "i", value: 8, type: 1, properties: ["i": "integer"]} <- add {name: "i", value: 8, type: 1, properties: ["i": "integer"]}, {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: ingredient 0 is i
 mem/0: location 1024 is 6
 run/0: ingredient 1 is 1
 run/0: product 0 is 7
 mem/0: storing 7 in location 1024
 run/0: instruction string-append/27
+run/0: {name: "result-idx", value: 7, type: 1, properties: ["result-idx": "integer"]} <- add {name: "result-idx", value: 7, type: 1, properties: ["result-idx": "integer"]}, {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: ingredient 0 is result-idx
 mem/0: location 1023 is 12
 run/0: ingredient 1 is 1
 run/0: product 0 is 13
 mem/0: storing 13 in location 1023
 run/0: instruction string-append/28
+run/0: loop {name: "", value: -8, type: , properties: ["": ]}
 run/0: ingredient 0 is -8
 run/0: jumping to instruction 21
 run/0: instruction string-append/21
+run/0: {name: "b-done?", value: 12, type: 3, properties: ["b-done?": "boolean"]} <- greater-or-equal {name: "i", value: 8, type: 1, properties: ["i": "integer"]}, {name: "b-len", value: 4, type: 1, properties: ["b-len": "integer"]}
 run/0: ingredient 0 is i
 mem/0: location 1024 is 7
 run/0: ingredient 1 is b-len
@@ -720,15 +840,18 @@ mem/0: location 1020 is 7
 run/0: product 0 is 1
 mem/0: storing 1 in location 1028
 run/0: instruction string-append/22
+run/0: break-if {name: "b-done?", value: 12, type: 3, properties: ["b-done?": "boolean"]}, {name: "", value: 6, type: , properties: ["": ]}
 mem/0: location 1028 is 1
 run/0: ingredient 0 is 1
 run/0: ingredient 1 is 
 run/0: jumping to instruction 29
 run/0: instruction string-append/30
+run/0: reply {name: "result", value: 6, type: 2-5-4, properties: ["result": "address":"array":"character"]}
 mem/0: location 1022 is 1045
 run/0: result 0 is 1045
 mem/0: storing 1045 in location 3
 run/0: instruction test-string-append-1/3
+run/0: {name: "4", value: 4, type: 5-4, properties: ["4": "array":"character", "raw": ]} <- copy {name: "3", value: 3, type: 2-5-4, properties: ["3": "address":"array":"character", "raw": , "deref": ]}
 run/0: ingredient 0 is 3
 mem/0: location 3 is 1045
 mem/0: location 1045 is 13
diff --git a/cpp/.traces/string-equal-common-lengths-but-distinct b/cpp/.traces/string-equal-common-lengths-but-distinct
index 3decd91b..c74e78bf 100644
--- a/cpp/.traces/string-equal-common-lengths-but-distinct
+++ b/cpp/.traces/string-equal-common-lengths-but-distinct
@@ -25,33 +25,44 @@ after-brace/0: string-equal ...
 new/0: routine allocated memory from 1000 to 101000
 schedule/0: test-string-equal-common-lengths-but-distinct
 run/0: instruction test-string-equal-common-lengths-but-distinct/0
+run/0: {name: "default-space", value: 0, type: 2-5-1, properties: ["default-space": "address":"array":"location"]} <- new {name: "location", value: 1, type: 0, properties: ["location": "type"]}, {name: "30", value: 30, type: 0, properties: ["30": "literal"]}
 mem/0: array size is 30
 mem/0: new alloc: 1000
 run/0: instruction test-string-equal-common-lengths-but-distinct/1
+run/0: {name: "x", value: 1, type: 2-5-4, properties: ["x": "address":"array":"character"]} <- new {name: "abc", value: 0, type: 0, properties: ["abc": "literal-string"]}
 mem/0: storing 1030 in location 1002
 run/0: instruction test-string-equal-common-lengths-but-distinct/2
+run/0: {name: "y", value: 2, type: 2-5-4, properties: ["y": "address":"array":"character"]} <- new {name: "abd", value: 0, type: 0, properties: ["abd": "literal-string"]}
 mem/0: storing 1034 in location 1003
 run/0: instruction test-string-equal-common-lengths-but-distinct/3
+run/0: {name: "3", value: 3, type: 3, properties: ["3": "boolean", "raw": ]} <- string-equal {name: "x", value: 1, type: 2-5-4, properties: ["x": "address":"array":"character"]}, {name: "y", value: 2, type: 2-5-4, properties: ["y": "address":"array":"character"]}
 mem/0: location 1002 is 1030
 mem/0: location 1003 is 1034
 run/0: instruction string-equal/0
+run/0: {name: "default-space", value: 0, type: 2-5-1, properties: ["default-space": "address":"array":"location"]} <- new {name: "location", value: 1, type: 0, properties: ["location": "type"]}, {name: "30", value: 30, type: 0, properties: ["30": "literal"]}
 mem/0: array size is 30
 mem/0: new alloc: 1038
 run/0: instruction string-equal/1
+run/0: {name: "a", value: 1, type: 2-5-4, properties: ["a": "address":"array":"character"]} <- next-ingredient 
 run/0: product 0 is 1030
 mem/0: storing 1030 in location 1040
 run/0: instruction string-equal/2
+run/0: {name: "a-len", value: 2, type: 1, properties: ["a-len": "integer"]} <- length {name: "a", value: 1, type: 2-5-4, properties: ["a": "address":"array":"character", "deref": ]}
 mem/0: location 1040 is 1030
 mem/0: storing 3 in location 1041
 run/0: instruction string-equal/3
+run/0: {name: "b", value: 3, type: 2-5-4, properties: ["b": "address":"array":"character"]} <- next-ingredient 
 run/0: product 0 is 1034
 mem/0: storing 1034 in location 1042
 run/0: instruction string-equal/4
+run/0: {name: "b-len", value: 4, type: 1, properties: ["b-len": "integer"]} <- length {name: "b", value: 3, type: 2-5-4, properties: ["b": "address":"array":"character", "deref": ]}
 mem/0: location 1042 is 1034
 mem/0: storing 3 in location 1043
 run/0: instruction string-equal/6
+run/0: trace {name: "string-equal", value: 0, type: 0, properties: ["string-equal": "literal-string"]}, {name: "comparing lengths", value: 0, type: 0, properties: ["comparing lengths": "literal-string"]}
 string-equal/0: comparing lengths
 run/0: instruction string-equal/7
+run/0: {name: "length-equal?", value: 5, type: 3, properties: ["length-equal?": "boolean"]} <- equal {name: "a-len", value: 2, type: 1, properties: ["a-len": "integer"]}, {name: "b-len", value: 4, type: 1, properties: ["b-len": "integer"]}
 run/0: ingredient 0 is a-len
 mem/0: location 1041 is 3
 run/0: ingredient 1 is b-len
@@ -59,16 +70,20 @@ mem/0: location 1043 is 3
 run/0: product 0 is 1
 mem/0: storing 1 in location 1044
 run/0: instruction string-equal/8
+run/0: break-if {name: "length-equal?", value: 5, type: 3, properties: ["length-equal?": "boolean"]}, {name: "", value: 1, type: , properties: ["": ]}
 mem/0: location 1044 is 1
 run/0: ingredient 0 is 1
 run/0: ingredient 1 is 
 run/0: jumping to instruction 10
 run/0: instruction string-equal/11
+run/0: trace {name: "string-equal", value: 0, type: 0, properties: ["string-equal": "literal-string"]}, {name: "comparing characters", value: 0, type: 0, properties: ["comparing characters": "literal-string"]}
 string-equal/0: comparing characters
 run/0: instruction string-equal/12
+run/0: {name: "i", value: 6, type: 1, properties: ["i": "integer"]} <- copy {name: "0", value: 0, type: 0, properties: ["0": "literal"]}
 run/0: ingredient 0 is 0
 mem/0: storing 0 in location 1045
 run/0: instruction string-equal/14
+run/0: {name: "done?", value: 7, type: 3, properties: ["done?": "boolean"]} <- greater-or-equal {name: "i", value: 6, type: 1, properties: ["i": "integer"]}, {name: "a-len", value: 2, type: 1, properties: ["a-len": "integer"]}
 run/0: ingredient 0 is i
 mem/0: location 1045 is 0
 run/0: ingredient 1 is a-len
@@ -76,10 +91,12 @@ mem/0: location 1041 is 3
 run/0: product 0 is 0
 mem/0: storing 0 in location 1046
 run/0: instruction string-equal/15
+run/0: break-if {name: "done?", value: 7, type: 3, properties: ["done?": "boolean"]}, {name: "", value: 9, type: , properties: ["": ]}
 mem/0: location 1046 is 0
 run/0: ingredient 0 is 0
 run/0: jump-if fell through
 run/0: instruction string-equal/16
+run/0: {name: "a2", value: 8, type: 4, properties: ["a2": "character"]} <- index {name: "a", value: 1, type: 2-5-4, properties: ["a": "address":"array":"character", "deref": ]}, {name: "i", value: 6, type: 1, properties: ["i": "integer"]}
 run/0: ingredient 0 is {name: "a", value: 1, type: 2-5-4, properties: ["a": "address":"array":"character", "deref": ]}
 mem/0: location 1040 is 1030
 run/0: ingredient 1 is {name: "i", value: 6, type: 1, properties: ["i": "integer"]}
@@ -90,6 +107,7 @@ mem/0: location 1031 is 97
 run/0: product 0 is 97
 mem/0: storing 97 in location 1047
 run/0: instruction string-equal/17
+run/0: {name: "b2", value: 9, type: 4, properties: ["b2": "character"]} <- index {name: "b", value: 3, type: 2-5-4, properties: ["b": "address":"array":"character", "deref": ]}, {name: "i", value: 6, type: 1, properties: ["i": "integer"]}
 run/0: ingredient 0 is {name: "b", value: 3, type: 2-5-4, properties: ["b": "address":"array":"character", "deref": ]}
 mem/0: location 1042 is 1034
 run/0: ingredient 1 is {name: "i", value: 6, type: 1, properties: ["i": "integer"]}
@@ -100,6 +118,7 @@ mem/0: location 1035 is 97
 run/0: product 0 is 97
 mem/0: storing 97 in location 1048
 run/0: instruction string-equal/19
+run/0: {name: "chars-match?", value: 10, type: 3, properties: ["chars-match?": "boolean"]} <- equal {name: "a2", value: 8, type: 4, properties: ["a2": "character"]}, {name: "b2", value: 9, type: 4, properties: ["b2": "character"]}
 run/0: ingredient 0 is a2
 mem/0: location 1047 is 97
 run/0: ingredient 1 is b2
@@ -107,20 +126,24 @@ mem/0: location 1048 is 97
 run/0: product 0 is 1
 mem/0: storing 1 in location 1049
 run/0: instruction string-equal/20
+run/0: break-if {name: "chars-match?", value: 10, type: 3, properties: ["chars-match?": "boolean"]}, {name: "", value: 1, type: , properties: ["": ]}
 mem/0: location 1049 is 1
 run/0: ingredient 0 is 1
 run/0: ingredient 1 is 
 run/0: jumping to instruction 22
 run/0: instruction string-equal/23
+run/0: {name: "i", value: 6, type: 1, properties: ["i": "integer"]} <- add {name: "i", value: 6, type: 1, properties: ["i": "integer"]}, {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: ingredient 0 is i
 mem/0: location 1045 is 0
 run/0: ingredient 1 is 1
 run/0: product 0 is 1
 mem/0: storing 1 in location 1045
 run/0: instruction string-equal/24
+run/0: loop {name: "", value: -11, type: , properties: ["": ]}
 run/0: ingredient 0 is -11
 run/0: jumping to instruction 14
 run/0: instruction string-equal/14
+run/0: {name: "done?", value: 7, type: 3, properties: ["done?": "boolean"]} <- greater-or-equal {name: "i", value: 6, type: 1, properties: ["i": "integer"]}, {name: "a-len", value: 2, type: 1, properties: ["a-len": "integer"]}
 run/0: ingredient 0 is i
 mem/0: location 1045 is 1
 run/0: ingredient 1 is a-len
@@ -128,10 +151,12 @@ mem/0: location 1041 is 3
 run/0: product 0 is 0
 mem/0: storing 0 in location 1046
 run/0: instruction string-equal/15
+run/0: break-if {name: "done?", value: 7, type: 3, properties: ["done?": "boolean"]}, {name: "", value: 9, type: , properties: ["": ]}
 mem/0: location 1046 is 0
 run/0: ingredient 0 is 0
 run/0: jump-if fell through
 run/0: instruction string-equal/16
+run/0: {name: "a2", value: 8, type: 4, properties: ["a2": "character"]} <- index {name: "a", value: 1, type: 2-5-4, properties: ["a": "address":"array":"character", "deref": ]}, {name: "i", value: 6, type: 1, properties: ["i": "integer"]}
 run/0: ingredient 0 is {name: "a", value: 1, type: 2-5-4, properties: ["a": "address":"array":"character", "deref": ]}
 mem/0: location 1040 is 1030
 run/0: ingredient 1 is {name: "i", value: 6, type: 1, properties: ["i": "integer"]}
@@ -142,6 +167,7 @@ mem/0: location 1032 is 98
 run/0: product 0 is 98
 mem/0: storing 98 in location 1047
 run/0: instruction string-equal/17
+run/0: {name: "b2", value: 9, type: 4, properties: ["b2": "character"]} <- index {name: "b", value: 3, type: 2-5-4, properties: ["b": "address":"array":"character", "deref": ]}, {name: "i", value: 6, type: 1, properties: ["i": "integer"]}
 run/0: ingredient 0 is {name: "b", value: 3, type: 2-5-4, properties: ["b": "address":"array":"character", "deref": ]}
 mem/0: location 1042 is 1034
 run/0: ingredient 1 is {name: "i", value: 6, type: 1, properties: ["i": "integer"]}
@@ -152,6 +178,7 @@ mem/0: location 1036 is 98
 run/0: product 0 is 98
 mem/0: storing 98 in location 1048
 run/0: instruction string-equal/19
+run/0: {name: "chars-match?", value: 10, type: 3, properties: ["chars-match?": "boolean"]} <- equal {name: "a2", value: 8, type: 4, properties: ["a2": "character"]}, {name: "b2", value: 9, type: 4, properties: ["b2": "character"]}
 run/0: ingredient 0 is a2
 mem/0: location 1047 is 98
 run/0: ingredient 1 is b2
@@ -159,20 +186,24 @@ mem/0: location 1048 is 98
 run/0: product 0 is 1
 mem/0: storing 1 in location 1049
 run/0: instruction string-equal/20
+run/0: break-if {name: "chars-match?", value: 10, type: 3, properties: ["chars-match?": "boolean"]}, {name: "", value: 1, type: , properties: ["": ]}
 mem/0: location 1049 is 1
 run/0: ingredient 0 is 1
 run/0: ingredient 1 is 
 run/0: jumping to instruction 22
 run/0: instruction string-equal/23
+run/0: {name: "i", value: 6, type: 1, properties: ["i": "integer"]} <- add {name: "i", value: 6, type: 1, properties: ["i": "integer"]}, {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: ingredient 0 is i
 mem/0: location 1045 is 1
 run/0: ingredient 1 is 1
 run/0: product 0 is 2
 mem/0: storing 2 in location 1045
 run/0: instruction string-equal/24
+run/0: loop {name: "", value: -11, type: , properties: ["": ]}
 run/0: ingredient 0 is -11
 run/0: jumping to instruction 14
 run/0: instruction string-equal/14
+run/0: {name: "done?", value: 7, type: 3, properties: ["done?": "boolean"]} <- greater-or-equal {name: "i", value: 6, type: 1, properties: ["i": "integer"]}, {name: "a-len", value: 2, type: 1, properties: ["a-len": "integer"]}
 run/0: ingredient 0 is i
 mem/0: location 1045 is 2
 run/0: ingredient 1 is a-len
@@ -180,10 +211,12 @@ mem/0: location 1041 is 3
 run/0: product 0 is 0
 mem/0: storing 0 in location 1046
 run/0: instruction string-equal/15
+run/0: break-if {name: "done?", value: 7, type: 3, properties: ["done?": "boolean"]}, {name: "", value: 9, type: , properties: ["": ]}
 mem/0: location 1046 is 0
 run/0: ingredient 0 is 0
 run/0: jump-if fell through
 run/0: instruction string-equal/16
+run/0: {name: "a2", value: 8, type: 4, properties: ["a2": "character"]} <- index {name: "a", value: 1, type: 2-5-4, properties: ["a": "address":"array":"character", "deref": ]}, {name: "i", value: 6, type: 1, properties: ["i": "integer"]}
 run/0: ingredient 0 is {name: "a", value: 1, type: 2-5-4, properties: ["a": "address":"array":"character", "deref": ]}
 mem/0: location 1040 is 1030
 run/0: ingredient 1 is {name: "i", value: 6, type: 1, properties: ["i": "integer"]}
@@ -194,6 +227,7 @@ mem/0: location 1033 is 99
 run/0: product 0 is 99
 mem/0: storing 99 in location 1047
 run/0: instruction string-equal/17
+run/0: {name: "b2", value: 9, type: 4, properties: ["b2": "character"]} <- index {name: "b", value: 3, type: 2-5-4, properties: ["b": "address":"array":"character", "deref": ]}, {name: "i", value: 6, type: 1, properties: ["i": "integer"]}
 run/0: ingredient 0 is {name: "b", value: 3, type: 2-5-4, properties: ["b": "address":"array":"character", "deref": ]}
 mem/0: location 1042 is 1034
 run/0: ingredient 1 is {name: "i", value: 6, type: 1, properties: ["i": "integer"]}
@@ -204,6 +238,7 @@ mem/0: location 1037 is 100
 run/0: product 0 is 100
 mem/0: storing 100 in location 1048
 run/0: instruction string-equal/19
+run/0: {name: "chars-match?", value: 10, type: 3, properties: ["chars-match?": "boolean"]} <- equal {name: "a2", value: 8, type: 4, properties: ["a2": "character"]}, {name: "b2", value: 9, type: 4, properties: ["b2": "character"]}
 run/0: ingredient 0 is a2
 mem/0: location 1047 is 99
 run/0: ingredient 1 is b2
@@ -211,9 +246,11 @@ mem/0: location 1048 is 100
 run/0: product 0 is 0
 mem/0: storing 0 in location 1049
 run/0: instruction string-equal/20
+run/0: break-if {name: "chars-match?", value: 10, type: 3, properties: ["chars-match?": "boolean"]}, {name: "", value: 1, type: , properties: ["": ]}
 mem/0: location 1049 is 0
 run/0: ingredient 0 is 0
 run/0: jump-if fell through
 run/0: instruction string-equal/21
+run/0: reply {name: "0", value: 0, type: 0, properties: ["0": "literal"]}
 run/0: result 0 is 0
 mem/0: storing 0 in location 3
diff --git a/cpp/.traces/string-equal-distinct-lengths b/cpp/.traces/string-equal-distinct-lengths
index dd9eeed0..22c4c754 100644
--- a/cpp/.traces/string-equal-distinct-lengths
+++ b/cpp/.traces/string-equal-distinct-lengths
@@ -25,33 +25,44 @@ after-brace/0: string-equal ...
 new/0: routine allocated memory from 1000 to 101000
 schedule/0: test-string-equal-distinct-lengths
 run/0: instruction test-string-equal-distinct-lengths/0
+run/0: {name: "default-space", value: 0, type: 2-5-1, properties: ["default-space": "address":"array":"location"]} <- new {name: "location", value: 1, type: 0, properties: ["location": "type"]}, {name: "30", value: 30, type: 0, properties: ["30": "literal"]}
 mem/0: array size is 30
 mem/0: new alloc: 1000
 run/0: instruction test-string-equal-distinct-lengths/1
+run/0: {name: "x", value: 1, type: 2-5-4, properties: ["x": "address":"array":"character"]} <- new {name: "abc", value: 0, type: 0, properties: ["abc": "literal-string"]}
 mem/0: storing 1030 in location 1002
 run/0: instruction test-string-equal-distinct-lengths/2
+run/0: {name: "y", value: 2, type: 2-5-4, properties: ["y": "address":"array":"character"]} <- new {name: "abcd", value: 0, type: 0, properties: ["abcd": "literal-string"]}
 mem/0: storing 1034 in location 1003
 run/0: instruction test-string-equal-distinct-lengths/3
+run/0: {name: "3", value: 3, type: 3, properties: ["3": "boolean", "raw": ]} <- string-equal {name: "x", value: 1, type: 2-5-4, properties: ["x": "address":"array":"character"]}, {name: "y", value: 2, type: 2-5-4, properties: ["y": "address":"array":"character"]}
 mem/0: location 1002 is 1030
 mem/0: location 1003 is 1034
 run/0: instruction string-equal/0
+run/0: {name: "default-space", value: 0, type: 2-5-1, properties: ["default-space": "address":"array":"location"]} <- new {name: "location", value: 1, type: 0, properties: ["location": "type"]}, {name: "30", value: 30, type: 0, properties: ["30": "literal"]}
 mem/0: array size is 30
 mem/0: new alloc: 1039
 run/0: instruction string-equal/1
+run/0: {name: "a", value: 1, type: 2-5-4, properties: ["a": "address":"array":"character"]} <- next-ingredient 
 run/0: product 0 is 1030
 mem/0: storing 1030 in location 1041
 run/0: instruction string-equal/2
+run/0: {name: "a-len", value: 2, type: 1, properties: ["a-len": "integer"]} <- length {name: "a", value: 1, type: 2-5-4, properties: ["a": "address":"array":"character", "deref": ]}
 mem/0: location 1041 is 1030
 mem/0: storing 3 in location 1042
 run/0: instruction string-equal/3
+run/0: {name: "b", value: 3, type: 2-5-4, properties: ["b": "address":"array":"character"]} <- next-ingredient 
 run/0: product 0 is 1034
 mem/0: storing 1034 in location 1043
 run/0: instruction string-equal/4
+run/0: {name: "b-len", value: 4, type: 1, properties: ["b-len": "integer"]} <- length {name: "b", value: 3, type: 2-5-4, properties: ["b": "address":"array":"character", "deref": ]}
 mem/0: location 1043 is 1034
 mem/0: storing 4 in location 1044
 run/0: instruction string-equal/6
+run/0: trace {name: "string-equal", value: 0, type: 0, properties: ["string-equal": "literal-string"]}, {name: "comparing lengths", value: 0, type: 0, properties: ["comparing lengths": "literal-string"]}
 string-equal/0: comparing lengths
 run/0: instruction string-equal/7
+run/0: {name: "length-equal?", value: 5, type: 3, properties: ["length-equal?": "boolean"]} <- equal {name: "a-len", value: 2, type: 1, properties: ["a-len": "integer"]}, {name: "b-len", value: 4, type: 1, properties: ["b-len": "integer"]}
 run/0: ingredient 0 is a-len
 mem/0: location 1042 is 3
 run/0: ingredient 1 is b-len
@@ -59,9 +70,11 @@ mem/0: location 1044 is 4
 run/0: product 0 is 0
 mem/0: storing 0 in location 1045
 run/0: instruction string-equal/8
+run/0: break-if {name: "length-equal?", value: 5, type: 3, properties: ["length-equal?": "boolean"]}, {name: "", value: 1, type: , properties: ["": ]}
 mem/0: location 1045 is 0
 run/0: ingredient 0 is 0
 run/0: jump-if fell through
 run/0: instruction string-equal/9
+run/0: reply {name: "0", value: 0, type: 0, properties: ["0": "literal"]}
 run/0: result 0 is 0
 mem/0: storing 0 in location 3
diff --git a/cpp/.traces/string-equal-identical b/cpp/.traces/string-equal-identical
index 5c23287d..db4b3558 100644
--- a/cpp/.traces/string-equal-identical
+++ b/cpp/.traces/string-equal-identical
@@ -25,33 +25,44 @@ after-brace/0: string-equal ...
 new/0: routine allocated memory from 1000 to 101000
 schedule/0: test-string-equal-identical
 run/0: instruction test-string-equal-identical/0
+run/0: {name: "default-space", value: 0, type: 2-5-1, properties: ["default-space": "address":"array":"location"]} <- new {name: "location", value: 1, type: 0, properties: ["location": "type"]}, {name: "30", value: 30, type: 0, properties: ["30": "literal"]}
 mem/0: array size is 30
 mem/0: new alloc: 1000
 run/0: instruction test-string-equal-identical/1
+run/0: {name: "x", value: 1, type: 2-5-4, properties: ["x": "address":"array":"character"]} <- new {name: "abc", value: 0, type: 0, properties: ["abc": "literal-string"]}
 mem/0: storing 1030 in location 1002
 run/0: instruction test-string-equal-identical/2
+run/0: {name: "y", value: 2, type: 2-5-4, properties: ["y": "address":"array":"character"]} <- new {name: "abc", value: 0, type: 0, properties: ["abc": "literal-string"]}
 mem/0: storing 1034 in location 1003
 run/0: instruction test-string-equal-identical/3
+run/0: {name: "3", value: 3, type: 3, properties: ["3": "boolean", "raw": ]} <- string-equal {name: "x", value: 1, type: 2-5-4, properties: ["x": "address":"array":"character"]}, {name: "y", value: 2, type: 2-5-4, properties: ["y": "address":"array":"character"]}
 mem/0: location 1002 is 1030
 mem/0: location 1003 is 1034
 run/0: instruction string-equal/0
+run/0: {name: "default-space", value: 0, type: 2-5-1, properties: ["default-space": "address":"array":"location"]} <- new {name: "location", value: 1, type: 0, properties: ["location": "type"]}, {name: "30", value: 30, type: 0, properties: ["30": "literal"]}
 mem/0: array size is 30
 mem/0: new alloc: 1038
 run/0: instruction string-equal/1
+run/0: {name: "a", value: 1, type: 2-5-4, properties: ["a": "address":"array":"character"]} <- next-ingredient 
 run/0: product 0 is 1030
 mem/0: storing 1030 in location 1040
 run/0: instruction string-equal/2
+run/0: {name: "a-len", value: 2, type: 1, properties: ["a-len": "integer"]} <- length {name: "a", value: 1, type: 2-5-4, properties: ["a": "address":"array":"character", "deref": ]}
 mem/0: location 1040 is 1030
 mem/0: storing 3 in location 1041
 run/0: instruction string-equal/3
+run/0: {name: "b", value: 3, type: 2-5-4, properties: ["b": "address":"array":"character"]} <- next-ingredient 
 run/0: product 0 is 1034
 mem/0: storing 1034 in location 1042
 run/0: instruction string-equal/4
+run/0: {name: "b-len", value: 4, type: 1, properties: ["b-len": "integer"]} <- length {name: "b", value: 3, type: 2-5-4, properties: ["b": "address":"array":"character", "deref": ]}
 mem/0: location 1042 is 1034
 mem/0: storing 3 in location 1043
 run/0: instruction string-equal/6
+run/0: trace {name: "string-equal", value: 0, type: 0, properties: ["string-equal": "literal-string"]}, {name: "comparing lengths", value: 0, type: 0, properties: ["comparing lengths": "literal-string"]}
 string-equal/0: comparing lengths
 run/0: instruction string-equal/7
+run/0: {name: "length-equal?", value: 5, type: 3, properties: ["length-equal?": "boolean"]} <- equal {name: "a-len", value: 2, type: 1, properties: ["a-len": "integer"]}, {name: "b-len", value: 4, type: 1, properties: ["b-len": "integer"]}
 run/0: ingredient 0 is a-len
 mem/0: location 1041 is 3
 run/0: ingredient 1 is b-len
@@ -59,16 +70,20 @@ mem/0: location 1043 is 3
 run/0: product 0 is 1
 mem/0: storing 1 in location 1044
 run/0: instruction string-equal/8
+run/0: break-if {name: "length-equal?", value: 5, type: 3, properties: ["length-equal?": "boolean"]}, {name: "", value: 1, type: , properties: ["": ]}
 mem/0: location 1044 is 1
 run/0: ingredient 0 is 1
 run/0: ingredient 1 is 
 run/0: jumping to instruction 10
 run/0: instruction string-equal/11
+run/0: trace {name: "string-equal", value: 0, type: 0, properties: ["string-equal": "literal-string"]}, {name: "comparing characters", value: 0, type: 0, properties: ["comparing characters": "literal-string"]}
 string-equal/0: comparing characters
 run/0: instruction string-equal/12
+run/0: {name: "i", value: 6, type: 1, properties: ["i": "integer"]} <- copy {name: "0", value: 0, type: 0, properties: ["0": "literal"]}
 run/0: ingredient 0 is 0
 mem/0: storing 0 in location 1045
 run/0: instruction string-equal/14
+run/0: {name: "done?", value: 7, type: 3, properties: ["done?": "boolean"]} <- greater-or-equal {name: "i", value: 6, type: 1, properties: ["i": "integer"]}, {name: "a-len", value: 2, type: 1, properties: ["a-len": "integer"]}
 run/0: ingredient 0 is i
 mem/0: location 1045 is 0
 run/0: ingredient 1 is a-len
@@ -76,10 +91,12 @@ mem/0: location 1041 is 3
 run/0: product 0 is 0
 mem/0: storing 0 in location 1046
 run/0: instruction string-equal/15
+run/0: break-if {name: "done?", value: 7, type: 3, properties: ["done?": "boolean"]}, {name: "", value: 9, type: , properties: ["": ]}
 mem/0: location 1046 is 0
 run/0: ingredient 0 is 0
 run/0: jump-if fell through
 run/0: instruction string-equal/16
+run/0: {name: "a2", value: 8, type: 4, properties: ["a2": "character"]} <- index {name: "a", value: 1, type: 2-5-4, properties: ["a": "address":"array":"character", "deref": ]}, {name: "i", value: 6, type: 1, properties: ["i": "integer"]}
 run/0: ingredient 0 is {name: "a", value: 1, type: 2-5-4, properties: ["a": "address":"array":"character", "deref": ]}
 mem/0: location 1040 is 1030
 run/0: ingredient 1 is {name: "i", value: 6, type: 1, properties: ["i": "integer"]}
@@ -90,6 +107,7 @@ mem/0: location 1031 is 97
 run/0: product 0 is 97
 mem/0: storing 97 in location 1047
 run/0: instruction string-equal/17
+run/0: {name: "b2", value: 9, type: 4, properties: ["b2": "character"]} <- index {name: "b", value: 3, type: 2-5-4, properties: ["b": "address":"array":"character", "deref": ]}, {name: "i", value: 6, type: 1, properties: ["i": "integer"]}
 run/0: ingredient 0 is {name: "b", value: 3, type: 2-5-4, properties: ["b": "address":"array":"character", "deref": ]}
 mem/0: location 1042 is 1034
 run/0: ingredient 1 is {name: "i", value: 6, type: 1, properties: ["i": "integer"]}
@@ -100,6 +118,7 @@ mem/0: location 1035 is 97
 run/0: product 0 is 97
 mem/0: storing 97 in location 1048
 run/0: instruction string-equal/19
+run/0: {name: "chars-match?", value: 10, type: 3, properties: ["chars-match?": "boolean"]} <- equal {name: "a2", value: 8, type: 4, properties: ["a2": "character"]}, {name: "b2", value: 9, type: 4, properties: ["b2": "character"]}
 run/0: ingredient 0 is a2
 mem/0: location 1047 is 97
 run/0: ingredient 1 is b2
@@ -107,20 +126,24 @@ mem/0: location 1048 is 97
 run/0: product 0 is 1
 mem/0: storing 1 in location 1049
 run/0: instruction string-equal/20
+run/0: break-if {name: "chars-match?", value: 10, type: 3, properties: ["chars-match?": "boolean"]}, {name: "", value: 1, type: , properties: ["": ]}
 mem/0: location 1049 is 1
 run/0: ingredient 0 is 1
 run/0: ingredient 1 is 
 run/0: jumping to instruction 22
 run/0: instruction string-equal/23
+run/0: {name: "i", value: 6, type: 1, properties: ["i": "integer"]} <- add {name: "i", value: 6, type: 1, properties: ["i": "integer"]}, {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: ingredient 0 is i
 mem/0: location 1045 is 0
 run/0: ingredient 1 is 1
 run/0: product 0 is 1
 mem/0: storing 1 in location 1045
 run/0: instruction string-equal/24
+run/0: loop {name: "", value: -11, type: , properties: ["": ]}
 run/0: ingredient 0 is -11
 run/0: jumping to instruction 14
 run/0: instruction string-equal/14
+run/0: {name: "done?", value: 7, type: 3, properties: ["done?": "boolean"]} <- greater-or-equal {name: "i", value: 6, type: 1, properties: ["i": "integer"]}, {name: "a-len", value: 2, type: 1, properties: ["a-len": "integer"]}
 run/0: ingredient 0 is i
 mem/0: location 1045 is 1
 run/0: ingredient 1 is a-len
@@ -128,10 +151,12 @@ mem/0: location 1041 is 3
 run/0: product 0 is 0
 mem/0: storing 0 in location 1046
 run/0: instruction string-equal/15
+run/0: break-if {name: "done?", value: 7, type: 3, properties: ["done?": "boolean"]}, {name: "", value: 9, type: , properties: ["": ]}
 mem/0: location 1046 is 0
 run/0: ingredient 0 is 0
 run/0: jump-if fell through
 run/0: instruction string-equal/16
+run/0: {name: "a2", value: 8, type: 4, properties: ["a2": "character"]} <- index {name: "a", value: 1, type: 2-5-4, properties: ["a": "address":"array":"character", "deref": ]}, {name: "i", value: 6, type: 1, properties: ["i": "integer"]}
 run/0: ingredient 0 is {name: "a", value: 1, type: 2-5-4, properties: ["a": "address":"array":"character", "deref": ]}
 mem/0: location 1040 is 1030
 run/0: ingredient 1 is {name: "i", value: 6, type: 1, properties: ["i": "integer"]}
@@ -142,6 +167,7 @@ mem/0: location 1032 is 98
 run/0: product 0 is 98
 mem/0: storing 98 in location 1047
 run/0: instruction string-equal/17
+run/0: {name: "b2", value: 9, type: 4, properties: ["b2": "character"]} <- index {name: "b", value: 3, type: 2-5-4, properties: ["b": "address":"array":"character", "deref": ]}, {name: "i", value: 6, type: 1, properties: ["i": "integer"]}
 run/0: ingredient 0 is {name: "b", value: 3, type: 2-5-4, properties: ["b": "address":"array":"character", "deref": ]}
 mem/0: location 1042 is 1034
 run/0: ingredient 1 is {name: "i", value: 6, type: 1, properties: ["i": "integer"]}
@@ -152,6 +178,7 @@ mem/0: location 1036 is 98
 run/0: product 0 is 98
 mem/0: storing 98 in location 1048
 run/0: instruction string-equal/19
+run/0: {name: "chars-match?", value: 10, type: 3, properties: ["chars-match?": "boolean"]} <- equal {name: "a2", value: 8, type: 4, properties: ["a2": "character"]}, {name: "b2", value: 9, type: 4, properties: ["b2": "character"]}
 run/0: ingredient 0 is a2
 mem/0: location 1047 is 98
 run/0: ingredient 1 is b2
@@ -159,20 +186,24 @@ mem/0: location 1048 is 98
 run/0: product 0 is 1
 mem/0: storing 1 in location 1049
 run/0: instruction string-equal/20
+run/0: break-if {name: "chars-match?", value: 10, type: 3, properties: ["chars-match?": "boolean"]}, {name: "", value: 1, type: , properties: ["": ]}
 mem/0: location 1049 is 1
 run/0: ingredient 0 is 1
 run/0: ingredient 1 is 
 run/0: jumping to instruction 22
 run/0: instruction string-equal/23
+run/0: {name: "i", value: 6, type: 1, properties: ["i": "integer"]} <- add {name: "i", value: 6, type: 1, properties: ["i": "integer"]}, {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: ingredient 0 is i
 mem/0: location 1045 is 1
 run/0: ingredient 1 is 1
 run/0: product 0 is 2
 mem/0: storing 2 in location 1045
 run/0: instruction string-equal/24
+run/0: loop {name: "", value: -11, type: , properties: ["": ]}
 run/0: ingredient 0 is -11
 run/0: jumping to instruction 14
 run/0: instruction string-equal/14
+run/0: {name: "done?", value: 7, type: 3, properties: ["done?": "boolean"]} <- greater-or-equal {name: "i", value: 6, type: 1, properties: ["i": "integer"]}, {name: "a-len", value: 2, type: 1, properties: ["a-len": "integer"]}
 run/0: ingredient 0 is i
 mem/0: location 1045 is 2
 run/0: ingredient 1 is a-len
@@ -180,10 +211,12 @@ mem/0: location 1041 is 3
 run/0: product 0 is 0
 mem/0: storing 0 in location 1046
 run/0: instruction string-equal/15
+run/0: break-if {name: "done?", value: 7, type: 3, properties: ["done?": "boolean"]}, {name: "", value: 9, type: , properties: ["": ]}
 mem/0: location 1046 is 0
 run/0: ingredient 0 is 0
 run/0: jump-if fell through
 run/0: instruction string-equal/16
+run/0: {name: "a2", value: 8, type: 4, properties: ["a2": "character"]} <- index {name: "a", value: 1, type: 2-5-4, properties: ["a": "address":"array":"character", "deref": ]}, {name: "i", value: 6, type: 1, properties: ["i": "integer"]}
 run/0: ingredient 0 is {name: "a", value: 1, type: 2-5-4, properties: ["a": "address":"array":"character", "deref": ]}
 mem/0: location 1040 is 1030
 run/0: ingredient 1 is {name: "i", value: 6, type: 1, properties: ["i": "integer"]}
@@ -194,6 +227,7 @@ mem/0: location 1033 is 99
 run/0: product 0 is 99
 mem/0: storing 99 in location 1047
 run/0: instruction string-equal/17
+run/0: {name: "b2", value: 9, type: 4, properties: ["b2": "character"]} <- index {name: "b", value: 3, type: 2-5-4, properties: ["b": "address":"array":"character", "deref": ]}, {name: "i", value: 6, type: 1, properties: ["i": "integer"]}
 run/0: ingredient 0 is {name: "b", value: 3, type: 2-5-4, properties: ["b": "address":"array":"character", "deref": ]}
 mem/0: location 1042 is 1034
 run/0: ingredient 1 is {name: "i", value: 6, type: 1, properties: ["i": "integer"]}
@@ -204,6 +238,7 @@ mem/0: location 1037 is 99
 run/0: product 0 is 99
 mem/0: storing 99 in location 1048
 run/0: instruction string-equal/19
+run/0: {name: "chars-match?", value: 10, type: 3, properties: ["chars-match?": "boolean"]} <- equal {name: "a2", value: 8, type: 4, properties: ["a2": "character"]}, {name: "b2", value: 9, type: 4, properties: ["b2": "character"]}
 run/0: ingredient 0 is a2
 mem/0: location 1047 is 99
 run/0: ingredient 1 is b2
@@ -211,20 +246,24 @@ mem/0: location 1048 is 99
 run/0: product 0 is 1
 mem/0: storing 1 in location 1049
 run/0: instruction string-equal/20
+run/0: break-if {name: "chars-match?", value: 10, type: 3, properties: ["chars-match?": "boolean"]}, {name: "", value: 1, type: , properties: ["": ]}
 mem/0: location 1049 is 1
 run/0: ingredient 0 is 1
 run/0: ingredient 1 is 
 run/0: jumping to instruction 22
 run/0: instruction string-equal/23
+run/0: {name: "i", value: 6, type: 1, properties: ["i": "integer"]} <- add {name: "i", value: 6, type: 1, properties: ["i": "integer"]}, {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: ingredient 0 is i
 mem/0: location 1045 is 2
 run/0: ingredient 1 is 1
 run/0: product 0 is 3
 mem/0: storing 3 in location 1045
 run/0: instruction string-equal/24
+run/0: loop {name: "", value: -11, type: , properties: ["": ]}
 run/0: ingredient 0 is -11
 run/0: jumping to instruction 14
 run/0: instruction string-equal/14
+run/0: {name: "done?", value: 7, type: 3, properties: ["done?": "boolean"]} <- greater-or-equal {name: "i", value: 6, type: 1, properties: ["i": "integer"]}, {name: "a-len", value: 2, type: 1, properties: ["a-len": "integer"]}
 run/0: ingredient 0 is i
 mem/0: location 1045 is 3
 run/0: ingredient 1 is a-len
@@ -232,10 +271,12 @@ mem/0: location 1041 is 3
 run/0: product 0 is 1
 mem/0: storing 1 in location 1046
 run/0: instruction string-equal/15
+run/0: break-if {name: "done?", value: 7, type: 3, properties: ["done?": "boolean"]}, {name: "", value: 9, type: , properties: ["": ]}
 mem/0: location 1046 is 1
 run/0: ingredient 0 is 1
 run/0: ingredient 1 is 
 run/0: jumping to instruction 25
 run/0: instruction string-equal/26
+run/0: reply {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: result 0 is 1
 mem/0: storing 1 in location 3
diff --git a/cpp/.traces/string-equal-reflexive b/cpp/.traces/string-equal-reflexive
index 8aad4bd5..9384569d 100644
--- a/cpp/.traces/string-equal-reflexive
+++ b/cpp/.traces/string-equal-reflexive
@@ -19,31 +19,41 @@ after-brace/0: string-equal ...
 new/0: routine allocated memory from 1000 to 101000
 schedule/0: test-string-equal-reflexive
 run/0: instruction test-string-equal-reflexive/0
+run/0: {name: "default-space", value: 0, type: 2-5-1, properties: ["default-space": "address":"array":"location"]} <- new {name: "location", value: 1, type: 0, properties: ["location": "type"]}, {name: "30", value: 30, type: 0, properties: ["30": "literal"]}
 mem/0: array size is 30
 mem/0: new alloc: 1000
 run/0: instruction test-string-equal-reflexive/1
+run/0: {name: "x", value: 1, type: 2-5-4, properties: ["x": "address":"array":"character"]} <- new {name: "abc", value: 0, type: 0, properties: ["abc": "literal-string"]}
 mem/0: storing 1030 in location 1002
 run/0: instruction test-string-equal-reflexive/2
+run/0: {name: "3", value: 3, type: 3, properties: ["3": "boolean", "raw": ]} <- string-equal {name: "x", value: 1, type: 2-5-4, properties: ["x": "address":"array":"character"]}, {name: "x", value: 1, type: 2-5-4, properties: ["x": "address":"array":"character"]}
 mem/0: location 1002 is 1030
 mem/0: location 1002 is 1030
 run/0: instruction string-equal/0
+run/0: {name: "default-space", value: 0, type: 2-5-1, properties: ["default-space": "address":"array":"location"]} <- new {name: "location", value: 1, type: 0, properties: ["location": "type"]}, {name: "30", value: 30, type: 0, properties: ["30": "literal"]}
 mem/0: array size is 30
 mem/0: new alloc: 1034
 run/0: instruction string-equal/1
+run/0: {name: "a", value: 1, type: 2-5-4, properties: ["a": "address":"array":"character"]} <- next-ingredient 
 run/0: product 0 is 1030
 mem/0: storing 1030 in location 1036
 run/0: instruction string-equal/2
+run/0: {name: "a-len", value: 2, type: 1, properties: ["a-len": "integer"]} <- length {name: "a", value: 1, type: 2-5-4, properties: ["a": "address":"array":"character", "deref": ]}
 mem/0: location 1036 is 1030
 mem/0: storing 3 in location 1037
 run/0: instruction string-equal/3
+run/0: {name: "b", value: 3, type: 2-5-4, properties: ["b": "address":"array":"character"]} <- next-ingredient 
 run/0: product 0 is 1030
 mem/0: storing 1030 in location 1038
 run/0: instruction string-equal/4
+run/0: {name: "b-len", value: 4, type: 1, properties: ["b-len": "integer"]} <- length {name: "b", value: 3, type: 2-5-4, properties: ["b": "address":"array":"character", "deref": ]}
 mem/0: location 1038 is 1030
 mem/0: storing 3 in location 1039
 run/0: instruction string-equal/6
+run/0: trace {name: "string-equal", value: 0, type: 0, properties: ["string-equal": "literal-string"]}, {name: "comparing lengths", value: 0, type: 0, properties: ["comparing lengths": "literal-string"]}
 string-equal/0: comparing lengths
 run/0: instruction string-equal/7
+run/0: {name: "length-equal?", value: 5, type: 3, properties: ["length-equal?": "boolean"]} <- equal {name: "a-len", value: 2, type: 1, properties: ["a-len": "integer"]}, {name: "b-len", value: 4, type: 1, properties: ["b-len": "integer"]}
 run/0: ingredient 0 is a-len
 mem/0: location 1037 is 3
 run/0: ingredient 1 is b-len
@@ -51,16 +61,20 @@ mem/0: location 1039 is 3
 run/0: product 0 is 1
 mem/0: storing 1 in location 1040
 run/0: instruction string-equal/8
+run/0: break-if {name: "length-equal?", value: 5, type: 3, properties: ["length-equal?": "boolean"]}, {name: "", value: 1, type: , properties: ["": ]}
 mem/0: location 1040 is 1
 run/0: ingredient 0 is 1
 run/0: ingredient 1 is 
 run/0: jumping to instruction 10
 run/0: instruction string-equal/11
+run/0: trace {name: "string-equal", value: 0, type: 0, properties: ["string-equal": "literal-string"]}, {name: "comparing characters", value: 0, type: 0, properties: ["comparing characters": "literal-string"]}
 string-equal/0: comparing characters
 run/0: instruction string-equal/12
+run/0: {name: "i", value: 6, type: 1, properties: ["i": "integer"]} <- copy {name: "0", value: 0, type: 0, properties: ["0": "literal"]}
 run/0: ingredient 0 is 0
 mem/0: storing 0 in location 1041
 run/0: instruction string-equal/14
+run/0: {name: "done?", value: 7, type: 3, properties: ["done?": "boolean"]} <- greater-or-equal {name: "i", value: 6, type: 1, properties: ["i": "integer"]}, {name: "a-len", value: 2, type: 1, properties: ["a-len": "integer"]}
 run/0: ingredient 0 is i
 mem/0: location 1041 is 0
 run/0: ingredient 1 is a-len
@@ -68,10 +82,12 @@ mem/0: location 1037 is 3
 run/0: product 0 is 0
 mem/0: storing 0 in location 1042
 run/0: instruction string-equal/15
+run/0: break-if {name: "done?", value: 7, type: 3, properties: ["done?": "boolean"]}, {name: "", value: 9, type: , properties: ["": ]}
 mem/0: location 1042 is 0
 run/0: ingredient 0 is 0
 run/0: jump-if fell through
 run/0: instruction string-equal/16
+run/0: {name: "a2", value: 8, type: 4, properties: ["a2": "character"]} <- index {name: "a", value: 1, type: 2-5-4, properties: ["a": "address":"array":"character", "deref": ]}, {name: "i", value: 6, type: 1, properties: ["i": "integer"]}
 run/0: ingredient 0 is {name: "a", value: 1, type: 2-5-4, properties: ["a": "address":"array":"character", "deref": ]}
 mem/0: location 1036 is 1030
 run/0: ingredient 1 is {name: "i", value: 6, type: 1, properties: ["i": "integer"]}
@@ -82,6 +98,7 @@ mem/0: location 1031 is 97
 run/0: product 0 is 97
 mem/0: storing 97 in location 1043
 run/0: instruction string-equal/17
+run/0: {name: "b2", value: 9, type: 4, properties: ["b2": "character"]} <- index {name: "b", value: 3, type: 2-5-4, properties: ["b": "address":"array":"character", "deref": ]}, {name: "i", value: 6, type: 1, properties: ["i": "integer"]}
 run/0: ingredient 0 is {name: "b", value: 3, type: 2-5-4, properties: ["b": "address":"array":"character", "deref": ]}
 mem/0: location 1038 is 1030
 run/0: ingredient 1 is {name: "i", value: 6, type: 1, properties: ["i": "integer"]}
@@ -92,6 +109,7 @@ mem/0: location 1031 is 97
 run/0: product 0 is 97
 mem/0: storing 97 in location 1044
 run/0: instruction string-equal/19
+run/0: {name: "chars-match?", value: 10, type: 3, properties: ["chars-match?": "boolean"]} <- equal {name: "a2", value: 8, type: 4, properties: ["a2": "character"]}, {name: "b2", value: 9, type: 4, properties: ["b2": "character"]}
 run/0: ingredient 0 is a2
 mem/0: location 1043 is 97
 run/0: ingredient 1 is b2
@@ -99,20 +117,24 @@ mem/0: location 1044 is 97
 run/0: product 0 is 1
 mem/0: storing 1 in location 1045
 run/0: instruction string-equal/20
+run/0: break-if {name: "chars-match?", value: 10, type: 3, properties: ["chars-match?": "boolean"]}, {name: "", value: 1, type: , properties: ["": ]}
 mem/0: location 1045 is 1
 run/0: ingredient 0 is 1
 run/0: ingredient 1 is 
 run/0: jumping to instruction 22
 run/0: instruction string-equal/23
+run/0: {name: "i", value: 6, type: 1, properties: ["i": "integer"]} <- add {name: "i", value: 6, type: 1, properties: ["i": "integer"]}, {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: ingredient 0 is i
 mem/0: location 1041 is 0
 run/0: ingredient 1 is 1
 run/0: product 0 is 1
 mem/0: storing 1 in location 1041
 run/0: instruction string-equal/24
+run/0: loop {name: "", value: -11, type: , properties: ["": ]}
 run/0: ingredient 0 is -11
 run/0: jumping to instruction 14
 run/0: instruction string-equal/14
+run/0: {name: "done?", value: 7, type: 3, properties: ["done?": "boolean"]} <- greater-or-equal {name: "i", value: 6, type: 1, properties: ["i": "integer"]}, {name: "a-len", value: 2, type: 1, properties: ["a-len": "integer"]}
 run/0: ingredient 0 is i
 mem/0: location 1041 is 1
 run/0: ingredient 1 is a-len
@@ -120,10 +142,12 @@ mem/0: location 1037 is 3
 run/0: product 0 is 0
 mem/0: storing 0 in location 1042
 run/0: instruction string-equal/15
+run/0: break-if {name: "done?", value: 7, type: 3, properties: ["done?": "boolean"]}, {name: "", value: 9, type: , properties: ["": ]}
 mem/0: location 1042 is 0
 run/0: ingredient 0 is 0
 run/0: jump-if fell through
 run/0: instruction string-equal/16
+run/0: {name: "a2", value: 8, type: 4, properties: ["a2": "character"]} <- index {name: "a", value: 1, type: 2-5-4, properties: ["a": "address":"array":"character", "deref": ]}, {name: "i", value: 6, type: 1, properties: ["i": "integer"]}
 run/0: ingredient 0 is {name: "a", value: 1, type: 2-5-4, properties: ["a": "address":"array":"character", "deref": ]}
 mem/0: location 1036 is 1030
 run/0: ingredient 1 is {name: "i", value: 6, type: 1, properties: ["i": "integer"]}
@@ -134,6 +158,7 @@ mem/0: location 1032 is 98
 run/0: product 0 is 98
 mem/0: storing 98 in location 1043
 run/0: instruction string-equal/17
+run/0: {name: "b2", value: 9, type: 4, properties: ["b2": "character"]} <- index {name: "b", value: 3, type: 2-5-4, properties: ["b": "address":"array":"character", "deref": ]}, {name: "i", value: 6, type: 1, properties: ["i": "integer"]}
 run/0: ingredient 0 is {name: "b", value: 3, type: 2-5-4, properties: ["b": "address":"array":"character", "deref": ]}
 mem/0: location 1038 is 1030
 run/0: ingredient 1 is {name: "i", value: 6, type: 1, properties: ["i": "integer"]}
@@ -144,6 +169,7 @@ mem/0: location 1032 is 98
 run/0: product 0 is 98
 mem/0: storing 98 in location 1044
 run/0: instruction string-equal/19
+run/0: {name: "chars-match?", value: 10, type: 3, properties: ["chars-match?": "boolean"]} <- equal {name: "a2", value: 8, type: 4, properties: ["a2": "character"]}, {name: "b2", value: 9, type: 4, properties: ["b2": "character"]}
 run/0: ingredient 0 is a2
 mem/0: location 1043 is 98
 run/0: ingredient 1 is b2
@@ -151,20 +177,24 @@ mem/0: location 1044 is 98
 run/0: product 0 is 1
 mem/0: storing 1 in location 1045
 run/0: instruction string-equal/20
+run/0: break-if {name: "chars-match?", value: 10, type: 3, properties: ["chars-match?": "boolean"]}, {name: "", value: 1, type: , properties: ["": ]}
 mem/0: location 1045 is 1
 run/0: ingredient 0 is 1
 run/0: ingredient 1 is 
 run/0: jumping to instruction 22
 run/0: instruction string-equal/23
+run/0: {name: "i", value: 6, type: 1, properties: ["i": "integer"]} <- add {name: "i", value: 6, type: 1, properties: ["i": "integer"]}, {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: ingredient 0 is i
 mem/0: location 1041 is 1
 run/0: ingredient 1 is 1
 run/0: product 0 is 2
 mem/0: storing 2 in location 1041
 run/0: instruction string-equal/24
+run/0: loop {name: "", value: -11, type: , properties: ["": ]}
 run/0: ingredient 0 is -11
 run/0: jumping to instruction 14
 run/0: instruction string-equal/14
+run/0: {name: "done?", value: 7, type: 3, properties: ["done?": "boolean"]} <- greater-or-equal {name: "i", value: 6, type: 1, properties: ["i": "integer"]}, {name: "a-len", value: 2, type: 1, properties: ["a-len": "integer"]}
 run/0: ingredient 0 is i
 mem/0: location 1041 is 2
 run/0: ingredient 1 is a-len
@@ -172,10 +202,12 @@ mem/0: location 1037 is 3
 run/0: product 0 is 0
 mem/0: storing 0 in location 1042
 run/0: instruction string-equal/15
+run/0: break-if {name: "done?", value: 7, type: 3, properties: ["done?": "boolean"]}, {name: "", value: 9, type: , properties: ["": ]}
 mem/0: location 1042 is 0
 run/0: ingredient 0 is 0
 run/0: jump-if fell through
 run/0: instruction string-equal/16
+run/0: {name: "a2", value: 8, type: 4, properties: ["a2": "character"]} <- index {name: "a", value: 1, type: 2-5-4, properties: ["a": "address":"array":"character", "deref": ]}, {name: "i", value: 6, type: 1, properties: ["i": "integer"]}
 run/0: ingredient 0 is {name: "a", value: 1, type: 2-5-4, properties: ["a": "address":"array":"character", "deref": ]}
 mem/0: location 1036 is 1030
 run/0: ingredient 1 is {name: "i", value: 6, type: 1, properties: ["i": "integer"]}
@@ -186,6 +218,7 @@ mem/0: location 1033 is 99
 run/0: product 0 is 99
 mem/0: storing 99 in location 1043
 run/0: instruction string-equal/17
+run/0: {name: "b2", value: 9, type: 4, properties: ["b2": "character"]} <- index {name: "b", value: 3, type: 2-5-4, properties: ["b": "address":"array":"character", "deref": ]}, {name: "i", value: 6, type: 1, properties: ["i": "integer"]}
 run/0: ingredient 0 is {name: "b", value: 3, type: 2-5-4, properties: ["b": "address":"array":"character", "deref": ]}
 mem/0: location 1038 is 1030
 run/0: ingredient 1 is {name: "i", value: 6, type: 1, properties: ["i": "integer"]}
@@ -196,6 +229,7 @@ mem/0: location 1033 is 99
 run/0: product 0 is 99
 mem/0: storing 99 in location 1044
 run/0: instruction string-equal/19
+run/0: {name: "chars-match?", value: 10, type: 3, properties: ["chars-match?": "boolean"]} <- equal {name: "a2", value: 8, type: 4, properties: ["a2": "character"]}, {name: "b2", value: 9, type: 4, properties: ["b2": "character"]}
 run/0: ingredient 0 is a2
 mem/0: location 1043 is 99
 run/0: ingredient 1 is b2
@@ -203,20 +237,24 @@ mem/0: location 1044 is 99
 run/0: product 0 is 1
 mem/0: storing 1 in location 1045
 run/0: instruction string-equal/20
+run/0: break-if {name: "chars-match?", value: 10, type: 3, properties: ["chars-match?": "boolean"]}, {name: "", value: 1, type: , properties: ["": ]}
 mem/0: location 1045 is 1
 run/0: ingredient 0 is 1
 run/0: ingredient 1 is 
 run/0: jumping to instruction 22
 run/0: instruction string-equal/23
+run/0: {name: "i", value: 6, type: 1, properties: ["i": "integer"]} <- add {name: "i", value: 6, type: 1, properties: ["i": "integer"]}, {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: ingredient 0 is i
 mem/0: location 1041 is 2
 run/0: ingredient 1 is 1
 run/0: product 0 is 3
 mem/0: storing 3 in location 1041
 run/0: instruction string-equal/24
+run/0: loop {name: "", value: -11, type: , properties: ["": ]}
 run/0: ingredient 0 is -11
 run/0: jumping to instruction 14
 run/0: instruction string-equal/14
+run/0: {name: "done?", value: 7, type: 3, properties: ["done?": "boolean"]} <- greater-or-equal {name: "i", value: 6, type: 1, properties: ["i": "integer"]}, {name: "a-len", value: 2, type: 1, properties: ["a-len": "integer"]}
 run/0: ingredient 0 is i
 mem/0: location 1041 is 3
 run/0: ingredient 1 is a-len
@@ -224,10 +262,12 @@ mem/0: location 1037 is 3
 run/0: product 0 is 1
 mem/0: storing 1 in location 1042
 run/0: instruction string-equal/15
+run/0: break-if {name: "done?", value: 7, type: 3, properties: ["done?": "boolean"]}, {name: "", value: 9, type: , properties: ["": ]}
 mem/0: location 1042 is 1
 run/0: ingredient 0 is 1
 run/0: ingredient 1 is 
 run/0: jumping to instruction 25
 run/0: instruction string-equal/26
+run/0: reply {name: "1", value: 1, type: 0, properties: ["1": "literal"]}
 run/0: result 0 is 1
 mem/0: storing 1 in location 3
diff --git a/cpp/.traces/string-equal-with-empty b/cpp/.traces/string-equal-with-empty
index fa59bc57..b3e87b15 100644
--- a/cpp/.traces/string-equal-with-empty
+++ b/cpp/.traces/string-equal-with-empty
@@ -25,33 +25,44 @@ after-brace/0: string-equal ...
 new/0: routine allocated memory from 1000 to 101000
 schedule/0: test-string-equal-with-empty
 run/0: instruction test-string-equal-with-empty/0
+run/0: {name: "default-space", value: 0, type: 2-5-1, properties: ["default-space": "address":"array":"location"]} <- new {name: "location", value: 1, type: 0, properties: ["location": "type"]}, {name: "30", value: 30, type: 0, properties: ["30": "literal"]}
 mem/0: array size is 30
 mem/0: new alloc: 1000
 run/0: instruction test-string-equal-with-empty/1
+run/0: {name: "x", value: 1, type: 2-5-4, properties: ["x": "address":"array":"character"]} <- new {name: "", value: 0, type: 0, properties: ["": "literal-string"]}
 mem/0: storing 1030 in location 1002
 run/0: instruction test-string-equal-with-empty/2
+run/0: {name: "y", value: 2, type: 2-5-4, properties: ["y": "address":"array":"character"]} <- new {name: "abcd", value: 0, type: 0, properties: ["abcd": "literal-string"]}
 mem/0: storing 1031 in location 1003
 run/0: instruction test-string-equal-with-empty/3
+run/0: {name: "3", value: 3, type: 3, properties: ["3": "boolean", "raw": ]} <- string-equal {name: "x", value: 1, type: 2-5-4, properties: ["x": "address":"array":"character"]}, {name: "y", value: 2, type: 2-5-4, properties: ["y": "address":"array":"character"]}
 mem/0: location 1002 is 1030
 mem/0: location 1003 is 1031
 run/0: instruction string-equal/0
+run/0: {name: "default-space", value: 0, type: 2-5-1, properties: ["default-space": "address":"array":"location"]} <- new {name: "location", value: 1, type: 0, properties: ["location": "type"]}, {name: "30", value: 30, type: 0, properties: ["30": "literal"]}
 mem/0: array size is 30
 mem/0: new alloc: 1036
 run/0: instruction string-equal/1
+run/0: {name: "a", value: 1, type: 2-5-4, properties: ["a": "address":"array":"character"]} <- next-ingredient 
 run/0: product 0 is 1030
 mem/0: storing 1030 in location 1038
 run/0: instruction string-equal/2
+run/0: {name: "a-len", value: 2, type: 1, properties: ["a-len": "integer"]} <- length {name: "a", value: 1, type: 2-5-4, properties: ["a": "address":"array":"character", "deref": ]}
 mem/0: location 1038 is 1030
 mem/0: storing 0 in location 1039
 run/0: instruction string-equal/3
+run/0: {name: "b", value: 3, type: 2-5-4, properties: ["b": "address":"array":"character"]} <- next-ingredient 
 run/0: product 0 is 1031
 mem/0: storing 1031 in location 1040
 run/0: instruction string-equal/4
+run/0: {name: "b-len", value: 4, type: 1, properties: ["b-len": "integer"]} <- length {name: "b", value: 3, type: 2-5-4, properties: ["b": "address":"array":"character", "deref": ]}
 mem/0: location 1040 is 1031
 mem/0: storing 4 in location 1041
 run/0: instruction string-equal/6
+run/0: trace {name: "string-equal", value: 0, type: 0, properties: ["string-equal": "literal-string"]}, {name: "comparing lengths", value: 0, type: 0, properties: ["comparing lengths": "literal-string"]}
 string-equal/0: comparing lengths
 run/0: instruction string-equal/7
+run/0: {name: "length-equal?", value: 5, type: 3, properties: ["length-equal?": "boolean"]} <- equal {name: "a-len", value: 2, type: 1, properties: ["a-len": "integer"]}, {name: "b-len", value: 4, type: 1, properties: ["b-len": "integer"]}
 run/0: ingredient 0 is a-len
 mem/0: location 1039 is 0
 run/0: ingredient 1 is b-len
@@ -59,9 +70,11 @@ mem/0: location 1041 is 4
 run/0: product 0 is 0
 mem/0: storing 0 in location 1042
 run/0: instruction string-equal/8
+run/0: break-if {name: "length-equal?", value: 5, type: 3, properties: ["length-equal?": "boolean"]}, {name: "", value: 1, type: , properties: ["": ]}
 mem/0: location 1042 is 0
 run/0: ingredient 0 is 0
 run/0: jump-if fell through
 run/0: instruction string-equal/9
+run/0: reply {name: "0", value: 0, type: 0, properties: ["0": "literal"]}
 run/0: result 0 is 0
 mem/0: storing 0 in location 3
diff --git a/cpp/.traces/subtract b/cpp/.traces/subtract
index 14a46ec2..328bec86 100644
--- a/cpp/.traces/subtract
+++ b/cpp/.traces/subtract
@@ -15,12 +15,15 @@ after-brace/0: subtract ...
 new/0: routine allocated memory from 1000 to 101000
 schedule/0: main
 run/0: instruction main/0
+run/0: {name: "1", value: 1, type: 1, properties: ["1": "integer"]} <- copy {name: "23", value: 23, type: 0, properties: ["23": "literal"]}
 run/0: ingredient 0 is 23
 mem/0: storing 23 in location 1
 run/0: instruction main/1
+run/0: {name: "2", value: 2, type: 1, properties: ["2": "integer"]} <- copy {name: "34", value: 34, type: 0, properties: ["34": "literal"]}
 run/0: ingredient 0 is 34
 mem/0: storing 34 in location 2
 run/0: instruction main/2
+run/0: {name: "3", value: 3, type: 1, properties: ["3": "integer"]} <- subtract {name: "1", value: 1, type: 1, properties: ["1": "integer"]}, {name: "2", value: 2, type: 1, properties: ["2": "integer"]}
 run/0: ingredient 0 is 1
 mem/0: location 1 is 23
 run/0: ingredient 1 is 2
diff --git a/cpp/.traces/subtract_literal b/cpp/.traces/subtract_literal
index b9b587b6..24d3d23f 100644
--- a/cpp/.traces/subtract_literal
+++ b/cpp/.traces/subtract_literal
@@ -7,6 +7,7 @@ after-brace/0: subtract ...
 new/0: routine allocated memory from 1000 to 101000
 schedule/0: main
 run/0: instruction main/0
+run/0: {name: "1", value: 1, type: 1, properties: ["1": "integer"]} <- subtract {name: "5", value: 5, type: 0, properties: ["5": "literal"]}, {name: "2", value: 2, type: 0, properties: ["2": "literal"]}
 run/0: ingredient 0 is 5
 run/0: ingredient 1 is 2
 run/0: product 0 is 3
diff --git a/cpp/.traces/surrounding_space b/cpp/.traces/surrounding_space
index 8787231f..abba5d00 100644
--- a/cpp/.traces/surrounding_space
+++ b/cpp/.traces/surrounding_space
@@ -27,19 +27,25 @@ after-brace/0: copy ...
 new/0: routine allocated memory from 1000 to 101000
 schedule/0: main
 run/0: instruction main/0
+run/0: {name: "10", value: 10, type: 1, properties: ["10": "integer"]} <- copy {name: "5", value: 5, type: 0, properties: ["5": "literal"]}
 run/0: ingredient 0 is 5
 mem/0: storing 5 in location 10
 run/0: instruction main/1
+run/0: {name: "20", value: 20, type: 1, properties: ["20": "integer"]} <- copy {name: "5", value: 5, type: 0, properties: ["5": "literal"]}
 run/0: ingredient 0 is 5
 mem/0: storing 5 in location 20
 run/0: instruction main/2
+run/0: {name: "default-space", value: 0, type: 2-5-1, properties: ["default-space": "address":"array":"location"]} <- copy {name: "10", value: 10, type: 0, properties: ["10": "literal"]}
 run/0: ingredient 0 is 10
 run/0: instruction main/3
+run/0: {name: "0", value: 0, type: 2-5-1, properties: ["0": "address":"array":"location", "names": "dummy"]} <- copy {name: "20", value: 20, type: 0, properties: ["20": "literal"]}
 run/0: ingredient 0 is 20
 mem/0: storing 20 in location 11
 run/0: instruction main/4
+run/0: {name: "1", value: 1, type: 1, properties: ["1": "integer"]} <- copy {name: "32", value: 32, type: 0, properties: ["32": "literal"]}
 run/0: ingredient 0 is 32
 mem/0: storing 32 in location 12
 run/0: instruction main/5
+run/0: {name: "1", value: 1, type: 1, properties: ["1": "integer", "space": "1"]} <- copy {name: "33", value: 33, type: 0, properties: ["33": "literal"]}
 run/0: ingredient 0 is 33
 mem/0: storing 33 in location 22
diff --git a/cpp/.traces/trace b/cpp/.traces/trace
index 888c600a..50220cc0 100644
--- a/cpp/.traces/trace
+++ b/cpp/.traces/trace
@@ -6,4 +6,5 @@ after-brace/0: trace ...
 new/0: routine allocated memory from 1000 to 101000
 schedule/0: main
 run/0: instruction main/0
+run/0: trace {name: "foo", value: 0, type: 0, properties: ["foo": "literal-string"]}, {name: "this is a trace in mu", value: 0, type: 0, properties: ["this is a trace in mu": "literal-string"]}
 foo/0: this is a trace in mu
diff --git a/cpp/.traces/trace_in_mu b/cpp/.traces/trace_in_mu
index 8fb1484a..468f0880 100644
--- a/cpp/.traces/trace_in_mu
+++ b/cpp/.traces/trace_in_mu
@@ -6,4 +6,5 @@ after-brace/0: trace ...
 new/0: routine allocated memory from 1000 to 101000
 schedule/0: test-trace_in_mu
 run/0: instruction test-trace_in_mu/0
+run/0: trace {name: "foo", value: 0, type: 0, properties: ["foo": "literal-string"]}, {name: "aaa", value: 0, type: 0, properties: ["aaa": "literal-string"]}
 foo/0: aaa
diff --git a/cpp/.traces/wait_for_location b/cpp/.traces/wait_for_location
index ab2205d4..1cabe1a7 100644
--- a/cpp/.traces/wait_for_location
+++ b/cpp/.traces/wait_for_location
@@ -21,20 +21,25 @@ after-brace/0: copy ...
 new/0: routine allocated memory from 1000 to 101000
 schedule/0: f1
 run/0: instruction f1/0
+run/0: {name: "1", value: 1, type: 1, properties: ["1": "integer"]} <- copy {name: "0", value: 0, type: 0, properties: ["0": "literal"]}
 run/0: ingredient 0 is 0
 mem/0: storing 0 in location 1
 run/0: instruction f1/1
+run/0: run {name: "f2", value: 0, type: 0, properties: ["f2": "recipe"]}
 run/0: ingredient 0 is f2
 new/0: routine allocated memory from 101000 to 201000
 run/0: instruction f1/2
+run/0: wait-for-location {name: "1", value: 1, type: 1, properties: ["1": "integer"]}
 run/0: waiting for 1 to change from 0
 schedule/0: f2
 run/0: instruction f2/0
+run/0: {name: "1", value: 1, type: 1, properties: ["1": "integer"]} <- copy {name: "34", value: 34, type: 0, properties: ["34": "literal"]}
 run/0: ingredient 0 is 34
 mem/0: storing 34 in location 1
 schedule/0: waking up routine
 schedule/0: f1
 run/0: instruction f1/3
+run/0: {name: "2", value: 2, type: 1, properties: ["2": "integer"]} <- copy {name: "1", value: 1, type: 1, properties: ["1": "integer"]}
 run/0: ingredient 0 is 1
 mem/0: location 1 is 34
 mem/0: storing 34 in location 2
diff --git a/cpp/010vm.cc b/cpp/010vm.cc
index 40f8f269..e38a5958 100644
--- a/cpp/010vm.cc
+++ b/cpp/010vm.cc
@@ -30,6 +30,7 @@ struct instruction {
   vector<reagent> products;  // only if !is_label
   instruction();
   void clear();
+  string to_string() const;
 };
 
 :(before "struct instruction")
@@ -218,6 +219,22 @@ string reagent::to_string() const {
   return out.str();
 }
 
+string instruction::to_string() const {
+  if (is_label) return label;
+  ostringstream out;
+  for (size_t i = 0; i < products.size(); ++i) {
+    if (i > 0) out << ", ";
+    out << products[i].to_string();
+  }
+  if (!products.empty()) out << " <- ";
+  out << name << ' ';
+  for (size_t i = 0; i < ingredients.size(); ++i) {
+    if (i > 0) out << ", ";
+    out << ingredients[i].to_string();
+  }
+  return out.str();
+}
+
 string slurp_until(istream& in, char delim) {
   ostringstream out;
   char c;
diff --git a/cpp/020run.cc b/cpp/020run.cc
index e43085e2..95a8a0b1 100644
--- a/cpp/020run.cc
+++ b/cpp/020run.cc
@@ -54,6 +54,7 @@ void run_current_routine()
     // Running One Instruction.
     if (current_instruction().is_label) { ++current_step_index(); continue; }
     trace("run") << "instruction " << current_recipe_name() << '/' << current_step_index();
+    trace("run") << current_instruction().to_string();
 //?     cout << "operation " << current_instruction().operation << '\n'; //? 3
     switch (current_instruction().operation) {
       // Primitive Recipe Implementations