[ 0:01] compiling /home/xrockai/src/divine/nightly/test/svcomp/recursion/id2_b3_o2_false.c [ 0:01] compiling /dios/lib/config/seqklee.bc [ 0:01] 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.4/_klee_out" [ 0:03] KLEE: Using Z3 solver backend [ 0:03] 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 [ 0:06] KLEE: WARNING: undefined reference to function: klee_free [ 0:06] KLEE: WARNING: undefined reference to function: klee_malloc [ 0:06] 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: 34116 [ 0:06] Stack: [ 0:06] #000034116 in __dios_start (l=0, argc=1, argv=94902448070664, envp=94902448089096) at /dios/libc/sys/start.cpp:87 [ 0:06] #100010135 in _ZN6__dios10sched_nullINS_5ClockINS_10NondetKleeINS_4BaseEEEEEE13run_schedulerINS_7ContextEEEvv () at /dios/sys/sched_null.hpp:163 [ 0:06] #200042466 in klee_boot (argc=1, argv=94902435203136) 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 unsigned int __VERIFIER_nondet_uint(void); [ 0:06] 4 extern void __VERIFIER_error(void); [ 0:06] 5 [ 0:06] 6 unsigned int id(unsigned int x); [ 0:06] 7 unsigned int id2(unsigned int x); [ 0:06] 8 [ 0:06] 9 unsigned int id(unsigned int x) { [ 0:06] 10 if (x==0) return 0; [ 0:06] 11 unsigned int ret = id2(x-1) + 1; [ 0:06] 12 if (ret > 3) return 3; [ 0:06] 13 return ret; [ 0:06] 14 } [ 0:06] 15 [ 0:06] 16 unsigned int id2(unsigned int x) { [ 0:06] 17 if (x==0) return 0; [ 0:06] 18 unsigned int ret = id(x-1) + 1; [ 0:06] 19 if (ret > 3) return 3; [ 0:06] 20 return ret; [ 0:06] 21 } [ 0:06] 22 [ 0:06] 23 int main(void) { [ 0:06] 24 unsigned int input = __VERIFIER_nondet_uint(); [ 0:06] 25 unsigned int result = id(input); [ 0:06] 26 if (result == 2) { [ 0:06] 27 ERROR: __VERIFIER_error(); /* ERROR */ [ 0:06] 28 } [ 0:06] 29 } [ 0:06] # expected error to be found at /home/xrockai/src/divine/nightly/test/svcomp/recursion/id2_b3_o2_false.c:27, but it was not