Stack overflow when computing a PDG

ID0001436: This issue was created automatically from Mantis Issue 1436. Further discussion may take place here.

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Id	Project	Category	View	Due Date	Updated
ID0001436	Frama-C	Plug-in > pdg	public	2013-05-30	2014-03-13

Reporter	signoles	Assigned To	yakobowski	Resolution	fixed
Priority	urgent	Severity	crash	Reproducibility	always
Platform	-	OS	-	OS Version	-
Product Version	Frama-C Fluorine-20130501	Target Version	-	Fixed in Version	Frama-C Neon-20140301

Description :

==== test.c ==== void __VERIFIER_assert(int cond) { if (!(cond)) { ERROR: goto ERROR; } return; } #define a (2)

int main(unsigned int loop1, unsigned int m1) { int sn=0; unsigned int x=0;

while(1){ sn = sn + a; x++; __VERIFIER_assert(sn==x*a || sn == 0); } }

$ frama-c -pdg test.c <skip value's trace> [pdg] computing for function __VERIFIER_assert [pdg] done for function __VERIFIER_assert [pdg] computing for function main [kernel] Current source was: sum03_safe.c:5 The full backtrace is: Called from file "set.ml", line 216, characters 18-33 Called from file "list.ml", line 195, characters 17-20 Called from file "src/kernel/stmts_graph.ml", line 418, characters 6-65 Called from file "src/pdg/ctrlDpds.ml", line 217, characters 35-59 Called from file "list.ml", line 86, characters 24-34 Called from file "src/pdg/ctrlDpds.ml", line 237, characters 29-39 Called from file "src/pdg/ctrlDpds.ml", line 257, characters 22-31 Called from file "src/pdg/ctrlDpds.ml", line 261, characters 11-21 Called from file "src/pdg/ctrlDpds.ml", line 261, characters 11-21 Called from file "src/pdg/ctrlDpds.ml", line 261, characters 11-21

Additional Information :

Bug coming from Checkofv...