[ 0:00] compiling /var/obj/divine-nightly/semidbg/test/_expand/svcomp/loops/down_true.pkg.c/small.10.c [ 0:00] compiling /dios/lib/config/seqklee.bc [ 0:00] 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.21/_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' [ 0:04] [ 0:04] KLEE: WARNING: undefined reference to function: __dios_tainted_init [ 0:08] KLEE: WARNING: undefined reference to function: klee_free [ 0:08] KLEE: WARNING: undefined reference to function: klee_malloc [ 0:08] i:1 [ 0:08] KLEE: WARNING ONCE: Alignment of memory from call "klee_malloc" is not modelled. Using alignment of 8. [ 0:08] about to __boot:0 [ 0:08] about to run the scheduler:0 [ 0:08] KLEE: WARNING ONCE: calling external: __dios_tainted_init() at /dios/libc/sys/start.cpp:49 5 [ 0:08] KLEE: ERROR: /dios/libc/sys/start.cpp:87: failed external call: __dios_tainted_init [ 0:08] KLEE: NOTE: now ignoring this error at this location [ 0:08] KLEE: ERROR: EXITING ON ERROR: [ 0:08] Error: failed external call: __dios_tainted_init [ 0:08] File: /dios/libc/sys/start.cpp [ 0:08] Line: 87 [ 0:08] assembly.ll line: 34089 [ 0:08] Stack: [ 0:08] #000034089 in __dios_start (l=0, argc=1, argv=94875895509512, envp=94875895595016) at /dios/libc/sys/start.cpp:87 [ 0:08] #100010108 in _ZN6__dios10sched_nullINS_5ClockINS_10NondetKleeINS_4BaseEEEEEE13run_schedulerINS_7ContextEEEvv () at /dios/sys/sched_null.hpp:163 [ 0:08] #200042439 in klee_boot (argc=2, argv=94875870501632) at /dios/arch/klee/boot.c:41 [ 0:08] [ 0:08] [ 0:08] 1 /* TAGS: c sym */ [ 0:08] 2 /* VERIFY_OPTS: --symbolic --sequential -o nofail:malloc */ [ 0:08] 3 /* CC_OPTS: -DNUM=10 */ [ 0:08] 4 [ 0:08] 5 extern void __VERIFIER_error(void); [ 0:08] 6 extern void __VERIFIER_assume(int); [ 0:08] 7 void __VERIFIER_assert(int cond) { [ 0:08] 8 if (!(cond)) { [ 0:08] 9 ERROR: __VERIFIER_error(); [ 0:08] 10 } [ 0:08] 11 return; [ 0:08] 12 } [ 0:08] 13 extern int __VERIFIER_nondet_int(void); [ 0:08] 14 [ 0:08] 15 // V: small.10 CC_OPT: -DNUM=10 [ 0:08] 16 // V: small.100 CC_OPT: -DNUM=100 TAGS: big [ 0:08] 17 // V: big.1000 CC_OPT: -DNUM=1000 TAGS: big [ 0:08] 18 // V: big.10000 CC_OPT: -DNUM=10000 TAGS: big [ 0:08] 19 // V: big.100000 CC_OPT: -DNUM=100000 TAGS: big [ 0:08] 20 [ 0:08] 21 int main() { [ 0:08] 22 int n; [ 0:08] 23 int k = 0; [ 0:08] 24 int i = 0; [ 0:08] 25 n = __VERIFIER_nondet_int(); [ 0:08] 26 if ( n > NUM ) return 0; [ 0:08] 27 [ 0:08] 28 while( i < n ) { [ 0:08] 29 i++; [ 0:08] 30 k++; [ 0:08] 31 } [ 0:08] 32 int j = n; [ 0:08] 33 while( j > 0 ) { [ 0:08] 34 __VERIFIER_assert(k > 0); [ 0:08] 35 j--; [ 0:08] 36 k--; [ 0:08] 37 } [ 0:08] 38 return 0; [ 0:08] 39 } [ 0:08] # no errors were expected but one was found anyway