[ 0:01] compiling /home/xrockai/src/divine/nightly/test/svcomp/recursion/Addition02WithOverflowBug_false.c
[ 0:01] /home/xrockai/src/divine/nightly/test/svcomp/recursion/Addition02WithOverflowBug_false.c:25:1: warning: control may reach end of non-void function
[ 0:01] }
[ 0:01] ^
[ 0:01] 1 warning generated.
[ 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.17/_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
[ 0:06] KLEE: WARNING: undefined reference to function: klee_free
[ 0:06] KLEE: WARNING: undefined reference to function: klee_malloc
[ 0:06] about to __boot:0
[ 0:07] 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: 34077
[ 0:07] Stack: 
[ 0:07] 	#000034077 in __dios_start (l=0, argc=1, argv=94641112268808, envp=94641112287240) at /dios/libc/sys/start.cpp:87
[ 0:07] 	#100010096 in _ZN6__dios10sched_nullINS_5ClockINS_10NondetKleeINS_4BaseEEEEEE13run_schedulerINS_7ContextEEEvv () at /dios/sys/sched_null.hpp:163
[ 0:07] 	#200042427 in klee_boot (argc=1, argv=94641099409472) at /dios/arch/klee/boot.c:41
[ 0:07] 
[ 0:07] 
[ 0:07]      1	/* TAGS: error c sym */
[ 0:07]      2	/* VERIFY_OPTS: --symbolic --sequential */
[ 0:07]      3	extern void __VERIFIER_error() __attribute__ ((__noreturn__));
[ 0:07]      4	
[ 0:07]      5	/*
[ 0:07]      6	 * Recursive implementation integer addition.
[ 0:07]      7	 *
[ 0:07]      8	 * Author: Matthias Heizmann
[ 0:07]      9	 * Date: 2013-07-13
[ 0:07]     10	 *
[ 0:07]     11	 */
[ 0:07]     12	
[ 0:07]     13	extern int __VERIFIER_nondet_int(void);
[ 0:07]     14	
[ 0:07]     15	int addition(int m, int n) {
[ 0:07]     16	    if (n == 0) {
[ 0:07]     17	        return m;
[ 0:07]     18	    }
[ 0:07]     19	    if (n > 0) {
[ 0:07]     20	        return addition(m+1, n-1);
[ 0:07]     21	    }
[ 0:07]     22	    if (n < 0) {
[ 0:07]     23	        return addition(m-1, n+1);
[ 0:07]     24	    }
[ 0:07]     25	}
[ 0:07]     26	
[ 0:07]     27	
[ 0:07]     28	int main() {
[ 0:07]     29	    int m = __VERIFIER_nondet_int();
[ 0:07]     30	    int n = __VERIFIER_nondet_int();
[ 0:07]     31	    int result = addition(m,n);
[ 0:07]     32	    if (result == m - n) {
[ 0:07]     33	        return 0;
[ 0:07]     34	    } else {
[ 0:07]     35	        ERROR: __VERIFIER_error(); /* ERROR */
[ 0:07]     36	    }
[ 0:07]     37	}
[ 0:07] # expected error to be found at /home/xrockai/src/divine/nightly/test/svcomp/recursion/Addition02WithOverflowBug_false.c:35, but it was not