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Load memory snapshot into cbmc #3755

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10089e3
Add const iterator to symbol table
danpoe Jan 10, 2019
53a74e4
Feature to initialize symex with memory snapshot and start from given…
danpoe Jan 9, 2019
f051a4e
Load memory snapshot regression tests
danpoe Jan 9, 2019
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62 changes: 62 additions & 0 deletions regression/cbmc/load-snapshot-json-snapshots/global-int-x-1-snapshot.json
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@@ -0,0 +1,62 @@
{
"symbolTable": {
"x": {
"baseName": "x",
"isAuxiliary": false,
"isExported": false,
"isExtern": false,
"isFileLocal": false,
"isInput": false,
"isLvalue": true,
"isMacro": false,
"isOutput": false,
"isParameter": false,
"isProperty": false,
"isStateVar": false,
"isStaticLifetime": true,
"isThreadLocal": false,
"isType": false,
"isVolatile": false,
"isWeak": false,
"location": {},
"mode": "C",
"module": "main",
"name": "x",
"prettyName": "x",
"type": {
"id": "signedbv",
"namedSub": {
"#c_type": {
"id": "signed_int"
},
"width": {
"id": "32"
}
}
},
"value": {
"id": "constant",
"namedSub": {
"#base": {
"id": "10"
},
"#source_location": {},
"type": {
"id": "signedbv",
"namedSub": {
"#c_type": {
"id": "signed_int"
},
"width": {
"id": "32"
}
}
},
"value": {
"id": "1"
}
}
}
}
}
}
10 changes: 10 additions & 0 deletions regression/cbmc/load-snapshot-static-global-array-01/main.c
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int x[] = {1, 2, 3};

int main()
{
assert(x[0] == 4);
assert(x[1] == 5);
assert(x[2] == 6);

return 0;
}
181 changes: 181 additions & 0 deletions regression/cbmc/load-snapshot-static-global-array-01/snapshot.json
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{
"symbolTable": {
"x": {
"baseName": "x",
"isAuxiliary": false,
"isExported": false,
"isExtern": false,
"isFileLocal": false,
"isInput": false,
"isLvalue": true,
"isMacro": false,
"isOutput": false,
"isParameter": false,
"isProperty": false,
"isStateVar": false,
"isStaticLifetime": true,
"isThreadLocal": false,
"isType": false,
"isVolatile": false,
"isWeak": false,
"location": {},
"mode": "C",
"module": "test",
"name": "x",
"prettyName": "x",
"type": {
"id": "array",
"namedSub": {
"#source_location": {},
"size": {
"id": "constant",
"namedSub": {
"type": {
"id": "signedbv",
"namedSub": {
"#c_type": {
"id": "signed_long_int"
},
"width": {
"id": "64"
}
}
},
"value": {
"id": "3"
}
}
}
},
"sub": [
{
"id": "signedbv",
"namedSub": {
"#c_type": {
"id": "signed_int"
},
"width": {
"id": "32"
}
}
}
]
},
"value": {
"id": "array",
"namedSub": {
"#source_location": {},
"type": {
"id": "array",
"namedSub": {
"#source_location": {},
"size": {
"id": "constant",
"namedSub": {
"type": {
"id": "signedbv",
"namedSub": {
"#c_type": {
"id": "signed_long_int"
},
"width": {
"id": "64"
}
}
},
"value": {
"id": "3"
}
}
}
},
"sub": [
{
"id": "signedbv",
"namedSub": {
"#c_type": {
"id": "signed_int"
},
"width": {
"id": "32"
}
}
}
]
}
},
"sub": [
{
"id": "constant",
"namedSub": {
"#base": {
"id": "10"
},
"#source_location": {},
"type": {
"id": "signedbv",
"namedSub": {
"#c_type": {
"id": "signed_int"
},
"width": {
"id": "32"
}
}
},
"value": {
"id": "4"
}
}
},
{
"id": "constant",
"namedSub": {
"#base": {
"id": "10"
},
"#source_location": {},
"type": {
"id": "signedbv",
"namedSub": {
"#c_type": {
"id": "signed_int"
},
"width": {
"id": "32"
}
}
},
"value": {
"id": "5"
}
}
},
{
"id": "constant",
"namedSub": {
"#base": {
"id": "10"
},
"#source_location": {},
"type": {
"id": "signedbv",
"namedSub": {
"#c_type": {
"id": "signed_int"
},
"width": {
"id": "32"
}
}
},
"value": {
"id": "6"
}
}
}
]
}
}
}
}
8 changes: 8 additions & 0 deletions regression/cbmc/load-snapshot-static-global-array-01/test.desc
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CORE
main.c
--memory-snapshot snapshot.json --initial-location main:0
^EXIT=0$
^SIGNAL=0$
VERIFICATION SUCCESSFUL
--
^warning: ignoring
8 changes: 8 additions & 0 deletions regression/cbmc/load-snapshot-static-global-int-01/main.c
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int x;

int main()
{
assert(x == 1);

return 0;
}
8 changes: 8 additions & 0 deletions regression/cbmc/load-snapshot-static-global-int-01/test.desc
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CORE
main.c
--memory-snapshot ../load-snapshot-json-snapshots/global-int-x-1-snapshot.json --initial-location main:0
^EXIT=0$
^SIGNAL=0$
VERIFICATION SUCCESSFUL
--
^warning: ignoring
10 changes: 10 additions & 0 deletions regression/cbmc/load-snapshot-static-global-int-02/main.c
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int x;
int y; // snapshot contains no value for y

int main()
{
assert(x == 1);
assert(y == 1);

return 0;
}
9 changes: 9 additions & 0 deletions regression/cbmc/load-snapshot-static-global-int-02/test.desc
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CORE
main.c
--memory-snapshot ../load-snapshot-json-snapshots/global-int-x-1-snapshot.json --initial-location main:0
^EXIT=10$
^SIGNAL=0$
\[main.assertion.1\] line [0-9]+ assertion x == 1: SUCCESS
\[main.assertion.2\] line [0-9]+ assertion y == 1: FAILURE
--
^warning: ignoring
14 changes: 14 additions & 0 deletions regression/cbmc/load-snapshot-static-global-int-03/main.c
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int x;

void func()
{
}

int main()
{
func();

assert(x == 1);

return 0;
}
8 changes: 8 additions & 0 deletions regression/cbmc/load-snapshot-static-global-int-03/test.desc
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CORE
main.c
--memory-snapshot ../load-snapshot-json-snapshots/global-int-x-1-snapshot.json --initial-location main:0
^EXIT=0$
^SIGNAL=0$
VERIFICATION SUCCESSFUL
--
^warning: ignoring
19 changes: 19 additions & 0 deletions regression/cbmc/load-snapshot-static-global-int-paths-01/main.c
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int x;
int y;

int main()
{
if(nondet_int())
{
y = 1;
}
else
{
y = 2;
}

assert(x == 1);
assert(y == 1 || y == 2);

return 0;
}
8 changes: 8 additions & 0 deletions regression/cbmc/load-snapshot-static-global-int-paths-01/test.desc
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CORE
main.c
--paths lifo --memory-snapshot ../load-snapshot-json-snapshots/global-int-x-1-snapshot.json --initial-location main:0
^EXIT=0$
^SIGNAL=0$
VERIFICATION SUCCESSFUL
--
^warning: ignoring
11 changes: 11 additions & 0 deletions regression/cbmc/load-snapshot-static-global-pointer-01/main.c
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int x;
int *p; // has value &x in the snapshot

int main()
{
x = 1;

assert(*p == 1);

return 0;
}
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