[ 0:00] compiling /var/obj/divine-nightly/semidbg/test/_expand/svcomp/loops/gauss_sum_true.pkg.c/small.100.c
[ 0:00] compiling /dios/lib/config/seqklee.bc
[ 0:00] 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'
[ 0:04] 
[ 0:04] 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:
[ 0:07] Error: failed external call: __dios_tainted_init
[ 0:07] File: /dios/libc/sys/start.cpp
[ 0:07] Line: 87
[ 0:07] assembly.ll line: 34080
[ 0:07] Stack: 
[ 0:07] 	#000034080 in __dios_start (l=0, argc=1, argv=94002668003336, envp=94002668021768) at /dios/libc/sys/start.cpp:87
[ 0:07] 	#100010099 in _ZN6__dios10sched_nullINS_5ClockINS_10NondetKleeINS_4BaseEEEEEE13run_schedulerINS_7ContextEEEvv () at /dios/sys/sched_null.hpp:163
[ 0:07] 	#200042430 in klee_boot (argc=1, argv=94002655127616) at /dios/arch/klee/boot.c:41
[ 0:07] 
[ 0:07] 
[ 0:07]      1	/* TAGS: ext c sym */
[ 0:07]      2	/* VERIFY_OPTS:  --symbolic */
[ 0:07]      3	/* CC_OPTS: -DNUM=100 */
[ 0:07]      4	
[ 0:07]      5	extern void __VERIFIER_error(void);
[ 0:07]      6	extern void __VERIFIER_assume(int);
[ 0:07]      7	void __VERIFIER_assert(int cond) {
[ 0:07]      8	  if (!(cond)) {
[ 0:07]      9	  ERROR: __VERIFIER_error();
[ 0:07]     10	  }
[ 0:07]     11	  return;
[ 0:07]     12	}
[ 0:07]     13	extern int __VERIFIER_nondet_int(void);
[ 0:07]     14	// V: small.10 CC_OPT: -DNUM=10
[ 0:07]     15	// V: small.100 CC_OPT: -DNUM=100 TAGS: ext
[ 0:07]     16	// V: big.1000 CC_OPT: -DNUM=1000 TAGS: big
[ 0:07]     17	// V: big.10000 CC_OPT: -DNUM=10000 TAGS: big
[ 0:07]     18	// V: big.100000 CC_OPT: -DNUM=100000 TAGS: big
[ 0:07]     19	
[ 0:07]     20	int main() {
[ 0:07]     21	    int n, sum, i;
[ 0:07]     22	    n = __VERIFIER_nondet_int();
[ 0:07]     23	    if ( n < 1 || n > NUM ) return 0;
[ 0:07]     24	    sum = 0;
[ 0:07]     25	    for(i = 1; i <= n; i++) {
[ 0:07]     26	        sum = sum + i;
[ 0:07]     27	    }
[ 0:07]     28	    __VERIFIER_assert(2*sum == n*(n+1));
[ 0:07]     29	    return 0;
[ 0:07]     30	}
[ 0:07] # no errors were expected but one was found anyway