[ 0:00] compiling /home/xrockai/src/divine/nightly/test/svcomp/recursion/fibo_10_false.c [ 0:00] compiling /dios/lib/config/seqklee.bc [ 0:00] setting up pass: functionmeta, options = [ 0:01] setting up pass: fuse-ctors, options = [ 0:01] KLEE: output directory is "/var/obj/divine-nightly/semidbg/test/__test_work_dir.19/_klee_out" [ 0:03] KLEE: Using Z3 solver backend [ 0:03] WARNING: this target does not support the llvm.stacksave intrinsic. [ 0:03] 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' [ 0:03] [ 0:03] KLEE: WARNING: undefined reference to function: __dios_tainted_init [ 0:05] KLEE: WARNING: undefined reference to function: klee_free [ 0:05] KLEE: WARNING: undefined reference to function: klee_malloc [ 0:05] about to __boot:0 [ 0:05] KLEE: WARNING ONCE: Alignment of memory from call "klee_malloc" is not modelled. Using alignment of 8. [ 0:05] about to run the scheduler:0 [ 0:05] KLEE: WARNING ONCE: calling external: __dios_tainted_init() at /dios/libc/sys/start.cpp:49 5 [ 0:05] KLEE: ERROR: /dios/libc/sys/start.cpp:87: failed external call: __dios_tainted_init [ 0:05] KLEE: NOTE: now ignoring this error at this location [ 0:05] KLEE: ERROR: EXITING ON ERROR: [ 0:05] Error: failed external call: __dios_tainted_init [ 0:05] File: /dios/libc/sys/start.cpp [ 0:05] Line: 87 [ 0:05] assembly.ll line: 34030 [ 0:05] Stack: [ 0:05] #000034030 in __dios_start (l=0, argc=1, argv=94529471635464, envp=94529471653896) at /dios/libc/sys/start.cpp:87 [ 0:05] #100010049 in _ZN6__dios10sched_nullINS_5ClockINS_10NondetKleeINS_4BaseEEEEEE13run_schedulerINS_7ContextEEEvv () at /dios/sys/sched_null.hpp:163 [ 0:05] #200042295 in klee_boot (argc=1, argv=94529458825280) at /dios/arch/klee/boot.c:41 [ 0:05] [ 0:05] [ 0:05] 1 /* TAGS: error c */ [ 0:05] 2 /* VERIFY_OPTS: */ [ 0:05] 3 extern int __VERIFIER_nondet_int(); [ 0:05] 4 extern void __VERIFIER_error(void); [ 0:05] 5 [ 0:05] 6 [ 0:05] 7 int fibo(int n) { [ 0:05] 8 if (n < 1) { [ 0:05] 9 return 0; [ 0:05] 10 } else if (n == 1) { [ 0:05] 11 return 1; [ 0:05] 12 } else { [ 0:05] 13 return fibo(n-1) + fibo(n-2); [ 0:05] 14 } [ 0:05] 15 } [ 0:05] 16 [ 0:05] 17 // fibo 1-30 [ 0:05] 18 // 1, 1, 2, 3, 5, [ 0:05] 19 // 8, 13, 21, 34, 55, [ 0:05] 20 // 89, 144, 233, 377, 610, [ 0:05] 21 // 987, 1597, 2584, 4181, 6765, [ 0:05] 22 // 10946, 17711, 28657, 46368, 75025, [ 0:05] 23 // 121393, 196418, 317811, 514229, 832040 [ 0:05] 24 [ 0:05] 25 int main(void) { [ 0:05] 26 int x = 10; [ 0:05] 27 int result = fibo(x); [ 0:05] 28 if (result == 55) { [ 0:05] 29 ERROR: __VERIFIER_error(); /* ERROR */ [ 0:05] 30 } [ 0:05] 31 return 0; [ 0:05] 32 } [ 0:05] # expected error to be found at /home/xrockai/src/divine/nightly/test/svcomp/recursion/fibo_10_false.c:29, but it was not