[ 0:00] compiling /home/xrockai/src/divine/nightly/test/svcomp/recursion/Fibonacci04_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.11/_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 [ 0:06] KLEE: WARNING ONCE: Alignment of memory from call "klee_malloc" is not modelled. Using alignment of 8. [ 0:06] about to run the scheduler:0 [ 0:06] KLEE: WARNING ONCE: calling external: __dios_tainted_init() at /dios/libc/sys/start.cpp:49 5 [ 0:06] KLEE: ERROR: /dios/libc/sys/start.cpp:87: failed external call: __dios_tainted_init [ 0:06] KLEE: NOTE: now ignoring this error at this location [ 0:06] KLEE: ERROR: EXITING ON ERROR: [ 0:06] Error: failed external call: __dios_tainted_init [ 0:06] File: /dios/libc/sys/start.cpp [ 0:06] Line: 87 [ 0:06] assembly.ll line: 34060 [ 0:06] Stack: [ 0:06] #000034060 in __dios_start (l=0, argc=1, argv=94533576900616, envp=94533576919048) at /dios/libc/sys/start.cpp:87 [ 0:06] #100010079 in _ZN6__dios10sched_nullINS_5ClockINS_10NondetKleeINS_4BaseEEEEEE13run_schedulerINS_7ContextEEEvv () at /dios/sys/sched_null.hpp:163 [ 0:06] #200042410 in klee_boot (argc=1, argv=94533564033088) at /dios/arch/klee/boot.c:41 [ 0:06] [ 0:06] [ 0:06] 1 /* VERIFY_OPTS: --symbolic --sequential */ [ 0:06] 2 /* TAGS: error sym c */ [ 0:06] 3 extern void __VERIFIER_error() __attribute__ ((__noreturn__)); [ 0:06] 4 [ 0:06] 5 /* [ 0:06] 6 * Recursive computation of fibonacci numbers. [ 0:06] 7 * [ 0:06] 8 * Author: Matthias Heizmann [ 0:06] 9 * Date: 2013-07-13 [ 0:06] 10 * [ 0:06] 11 */ [ 0:06] 12 [ 0:06] 13 extern int __VERIFIER_nondet_int(void); [ 0:06] 14 int fibonacci(int n); [ 0:06] 15 int main(); [ 0:06] 16 [ 0:06] 17 [ 0:06] 18 int fibonacci(int n) { [ 0:06] 19 if (n < 1) { [ 0:06] 20 return 0; [ 0:06] 21 } else if (n == 1) { [ 0:06] 22 return 1; [ 0:06] 23 } else { [ 0:06] 24 return fibonacci(n-1) + fibonacci(n-2); [ 0:06] 25 } [ 0:06] 26 } [ 0:06] 27 [ 0:06] 28 [ 0:06] 29 int main() { [ 0:06] 30 int x = __VERIFIER_nondet_int(); [ 0:06] 31 int result = fibonacci(x); [ 0:06] 32 if (x != 5 || result == 3) { [ 0:06] 33 return 0; [ 0:06] 34 } else { [ 0:06] 35 ERROR: __VERIFIER_error(); /* ERROR */ [ 0:06] 36 } [ 0:06] 37 } [ 0:06] 38 [ 0:06] 39 [ 0:06] # expected error to be found at /home/xrockai/src/divine/nightly/test/svcomp/recursion/Fibonacci04_false.c:35, but it was not