[ 0:01] compiling /home/xrockai/src/divine/nightly/test/svcomp/loops/gr2006_true.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.10/_klee_out"
[ 0:04] KLEE: Using Z3 solver backend
[ 0:04] 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'
[ 0:05] 
[ 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] i:1
[ 0:07] KLEE: WARNING ONCE: Alignment of memory from call "klee_malloc" is not modelled. Using alignment of 8.
[ 0:07] about to __boot:0
[ 0:07] about to run the scheduler:0
[ 0:08] KLEE: WARNING ONCE: calling external: __dios_tainted_init() at /dios/libc/sys/start.cpp:49 5
[ 0:08] KLEE: ERROR: /dios/libc/sys/start.cpp:87: failed external call: __dios_tainted_init
[ 0:08] KLEE: NOTE: now ignoring this error at this location
[ 0:08] 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=93926527791624, envp=93926527860744) at /dios/libc/sys/start.cpp:87
[ 0:08] 	#100010057 in _ZN6__dios10sched_nullINS_5ClockINS_10NondetKleeINS_4BaseEEEEEE13run_schedulerINS_7ContextEEEvv () at /dios/sys/sched_null.hpp:163
[ 0:08] 	#200042303 in klee_boot (argc=2, argv=93926501792512) at /dios/arch/klee/boot.c:41
[ 0:08] 
[ 0:08] 
[ 0:08]      1	/* TAGS: c */
[ 0:08]      2	/* VERIFY_OPTS: --sequential -o nofail:malloc */
[ 0:08]      3	// Source: Denis Gopan, Thomas Reps: "Lookahead Widening", CAV 2006.
[ 0:08]      4	extern void __VERIFIER_error(void);
[ 0:08]      5	extern void __VERIFIER_assume(int);
[ 0:08]      6	void __VERIFIER_assert(int cond) {
[ 0:08]      7	  if (!(cond)) {
[ 0:08]      8	      ERROR: __VERIFIER_error();
[ 0:08]      9	  }
[ 0:08]     10	  return;
[ 0:08]     11	}
[ 0:08]     12	int __VERIFIER_nondet_int();
[ 0:08]     13	#define LARGE_INT 1000000
[ 0:08]     14	
[ 0:08]     15	int main() {
[ 0:08]     16	    int x,y;
[ 0:08]     17	    x = 0;
[ 0:08]     18	    y = 0;
[ 0:08]     19	    while (1) {
[ 0:08]     20	        if (x < 50) {
[ 0:08]     21	            y++;
[ 0:08]     22	        } else {
[ 0:08]     23	            y--;
[ 0:08]     24	        }
[ 0:08]     25	        if (y < 0) break;
[ 0:08]     26	        x++;
[ 0:08]     27	    }
[ 0:08]     28	    __VERIFIER_assert(x == 100);
[ 0:08]     29	    return 0;
[ 0:08]     30	}
[ 0:08] # no errors were expected but one was found anyway