[ 0:01] compiling /home/xrockai/src/divine/nightly/test/svcomp/loops/trex02_false.c [ 0:01] compiling /dios/lib/config/seqklee.bc [ 0:01] setting up pass: functionmeta, options = [ 0:02] setting up pass: fuse-ctors, options = [ 0:02] KLEE: output directory is "/var/obj/divine-nightly/semidbg/test/__test_work_dir.10/_klee_out" [ 0:04] KLEE: Using Z3 solver backend [ 0:04] WARNING: this target does not support the llvm.stacksave intrinsic. [ 0:04] warning: Linking two modules of different target triples: klee_div_zero_check.bc' is 'x86_64-unknown-linux-gnu' whereas 'klee.bc' is 'x86_64-unknown-none-elf' [ 0:05] [ 0:05] KLEE: WARNING: undefined reference to function: __dios_tainted_init [ 0:07] KLEE: WARNING: undefined reference to function: klee_free [ 0:07] KLEE: WARNING: undefined reference to function: klee_malloc [ 0:07] about to __boot:0 [ 0:07] KLEE: WARNING ONCE: Alignment of memory from call "klee_malloc" is not modelled. Using alignment of 8. [ 0:07] about to run the scheduler:0 [ 0:07] KLEE: WARNING ONCE: calling external: __dios_tainted_init() at /dios/libc/sys/start.cpp:49 5 [ 0:07] KLEE: ERROR: /dios/libc/sys/start.cpp:87: failed external call: __dios_tainted_init [ 0:07] KLEE: NOTE: now ignoring this error at this location [ 0:07] KLEE: ERROR: EXITING ON ERROR: [ 0:07] Error: failed external call: __dios_tainted_init [ 0:07] File: /dios/libc/sys/start.cpp [ 0:07] Line: 87 [ 0:07] assembly.ll line: 34046 [ 0:07] Stack: [ 0:07] #000034046 in __dios_start (l=0, argc=1, argv=94764515270664, envp=94764515289096) at /dios/libc/sys/start.cpp:87 [ 0:07] #100010057 in _ZN6__dios10sched_nullINS_5ClockINS_10NondetKleeINS_4BaseEEEEEE13run_schedulerINS_7ContextEEEvv () at /dios/sys/sched_null.hpp:163 [ 0:07] #200042396 in klee_boot (argc=1, argv=94764502411328) at /dios/arch/klee/boot.c:41 [ 0:07] [ 0:07] [ 0:07] 1 /* VERIFY_OPTS: --symbolic --sequential */ [ 0:07] 2 /* TAGS: error sym c */ [ 0:07] 3 #include [ 0:07] 4 extern int __VERIFIER_nondet_int(void); [ 0:07] 5 extern bool __VERIFIER_nondet_bool(void); [ 0:07] 6 extern void __VERIFIER_assert(int); [ 0:07] 7 [ 0:07] 8 //x is an input variable [ 0:07] 9 int x; [ 0:07] 10 [ 0:07] 11 void foo() { [ 0:07] 12 x--; [ 0:07] 13 } [ 0:07] 14 [ 0:07] 15 int main() { [ 0:07] 16 x=__VERIFIER_nondet_int(); [ 0:07] 17 while (x > 0) { [ 0:07] 18 bool c = __VERIFIER_nondet_bool(); [ 0:07] 19 if(c) foo(); [ 0:07] 20 else foo(); [ 0:07] 21 } [ 0:07] 22 __VERIFIER_assert(x==0); /* ERROR */ [ 0:07] 23 } [ 0:07] 24 [ 0:07] 25 [ 0:07] 26 [ 0:07] # expected error to be found at /home/xrockai/src/divine/nightly/test/svcomp/loops/trex02_false.c:22, but it was not