[ 0:00] compiling /home/xrockai/src/divine/nightly/test/svcomp/loops/underapprox_false_2.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.10/_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
[ 0:06] KLEE: WARNING: undefined reference to function: klee_free
[ 0:06] KLEE: WARNING: undefined reference to function: klee_malloc
[ 0:06] i:1
[ 0:06] KLEE: WARNING ONCE: Alignment of memory from call "klee_malloc" is not modelled. Using alignment of 8.
[ 0:06] about to __boot:0
[ 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: 34006
[ 0:06] Stack: 
[ 0:06] 	#000034006 in __dios_start (l=0, argc=1, argv=94844230365704, envp=94844230443016) at /dios/libc/sys/start.cpp:87
[ 0:06] 	#100010017 in _ZN6__dios10sched_nullINS_5ClockINS_10NondetKleeINS_4BaseEEEEEE13run_schedulerINS_7ContextEEEvv () at /dios/sys/sched_null.hpp:163
[ 0:06] 	#200042271 in klee_boot (argc=2, argv=94844204382976) at /dios/arch/klee/boot.c:41
[ 0:06] 
[ 0:06] 
[ 0:06]      1	/* TAGS: error c sym */
[ 0:06]      2	/* VERIFY_OPTS: --symbolic --sequential -o nofail:malloc */
[ 0:06]      3	extern void __VERIFIER_error() __attribute__ ((__noreturn__));
[ 0:06]      4	extern void __VERIFIER_assert(int);
[ 0:06]      5	
[ 0:06]      6	
[ 0:06]      7	int main(void) {
[ 0:06]      8	  unsigned int x = 0;
[ 0:06]      9	  unsigned int y = 1;
[ 0:06]     10	
[ 0:06]     11	  while (x < 6) {
[ 0:06]     12	    x++;
[ 0:06]     13	    y *= 2;
[ 0:06]     14	  }
[ 0:06]     15	
[ 0:06]     16	  __VERIFIER_assert(x != 6); /* ERROR */
[ 0:06]     17	}
[ 0:06] # expected error to be found at /home/xrockai/src/divine/nightly/test/svcomp/loops/underapprox_false_2.c:16, but it was not