[ 0:01] compiling /home/xrockai/src/divine/nightly/test/svcomp/loops/count_up_down_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.14/_klee_out"
[ 0:05] KLEE: Using Z3 solver backend
[ 0:05] WARNING: this target does not support the llvm.stacksave intrinsic.
[ 0:05] 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'
[ 0:05] 
[ 0:05] KLEE: WARNING: undefined reference to function: __dios_tainted_init
[ 0:07] KLEE: WARNING: undefined reference to function: klee_free
[ 0:07] KLEE: WARNING: undefined reference to function: klee_malloc
[ 0:07] about to __boot:0
[ 0:07] KLEE: WARNING ONCE: Alignment of memory from call "klee_malloc" is not modelled. Using alignment of 8.
[ 0:07] about to run the scheduler:0
[ 0:07] KLEE: WARNING ONCE: calling external: __dios_tainted_init() at /dios/libc/sys/start.cpp:49 5
[ 0:07] KLEE: ERROR: /dios/libc/sys/start.cpp:87: failed external call: __dios_tainted_init
[ 0:07] KLEE: NOTE: now ignoring this error at this location
[ 0:07] 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: 34038
[ 0:08] Stack: 
[ 0:08] 	#000034038 in __dios_start (l=0, argc=1, argv=94103411875848, envp=94103411894280) at /dios/libc/sys/start.cpp:87
[ 0:08] 	#100010049 in _ZN6__dios10sched_nullINS_5ClockINS_10NondetKleeINS_4BaseEEEEEE13run_schedulerINS_7ContextEEEvv () at /dios/sys/sched_null.hpp:163
[ 0:08] 	#200042388 in klee_boot (argc=1, argv=94103399016512) at /dios/arch/klee/boot.c:41
[ 0:08] 
[ 0:08] 
[ 0:08]      1	/* VERIFY_OPTS: --symbolic --sequential */
[ 0:08]      2	/* TAGS: error sym c */
[ 0:08]      3	#include <stdbool.h>
[ 0:08]      4	extern unsigned int __VERIFIER_nondet_uint(void);
[ 0:08]      5	extern void __VERIFIER_assert(int);
[ 0:08]      6	
[ 0:08]      7	int main()
[ 0:08]      8	{
[ 0:08]      9	  unsigned int n = __VERIFIER_nondet_uint();
[ 0:08]     10	  unsigned int x=n, y=0;
[ 0:08]     11	  while(x>0)
[ 0:08]     12	  {
[ 0:08]     13	    x--;
[ 0:08]     14	    y++;
[ 0:08]     15	  }
[ 0:08]     16	  __VERIFIER_assert(y!=n); /* ERROR */
[ 0:08]     17	}
[ 0:08] # expected error to be found at /home/xrockai/src/divine/nightly/test/svcomp/loops/count_up_down_false.c:16, but it was not