[ 0:01] compiling /home/xrockai/src/divine/nightly/test/svcomp/recursion/sum_non_eq_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.12/_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'
[ 0:04] 
[ 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: 34059
[ 0:06] Stack: 
[ 0:06] 	#000034059 in __dios_start (l=0, argc=1, argv=94799457132552, envp=94799457150984) at /dios/libc/sys/start.cpp:87
[ 0:06] 	#100010078 in _ZN6__dios10sched_nullINS_5ClockINS_10NondetKleeINS_4BaseEEEEEE13run_schedulerINS_7ContextEEEvv () at /dios/sys/sched_null.hpp:163
[ 0:06] 	#200042409 in klee_boot (argc=1, argv=94799444273216) at /dios/arch/klee/boot.c:41
[ 0:06] 
[ 0:06] 
[ 0:06]      1	/* TAGS: error c sym */
[ 0:06]      2	/* VERIFY_OPTS: --symbolic */
[ 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 sum(unsigned int n, unsigned int m) {
[ 0:06]      7	    if (n == 0) {
[ 0:06]      8	      return m;
[ 0:06]      9	    } else {
[ 0:06]     10	      return sum(n - 1, m + 1);
[ 0:06]     11	    }
[ 0:06]     12	}
[ 0:06]     13	
[ 0:06]     14	int main(void) {
[ 0:06]     15	  unsigned int a = __VERIFIER_nondet_uint();
[ 0:06]     16	  unsigned int b = __VERIFIER_nondet_uint();
[ 0:06]     17	  unsigned int result = sum(a, b);
[ 0:06]     18	  if (result == a + b) {
[ 0:06]     19	    ERROR: __VERIFIER_error(); /* ERROR */
[ 0:06]     20	  }
[ 0:06]     21	}
[ 0:06] # expected error to be found at /home/xrockai/src/divine/nightly/test/svcomp/recursion/sum_non_eq_false.c:19, but it was not