[ 0:01] compiling /home/xrockai/src/divine/nightly/test/svcomp/recursion/EvenOdd03_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.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: 34119
[ 0:07] Stack: 
[ 0:07] 	#000034119 in __dios_start (l=0, argc=1, argv=93898587971592, envp=93898587990024) at /dios/libc/sys/start.cpp:87
[ 0:07] 	#100010138 in _ZN6__dios10sched_nullINS_5ClockINS_10NondetKleeINS_4BaseEEEEEE13run_schedulerINS_7ContextEEEvv () at /dios/sys/sched_null.hpp:163
[ 0:07] 	#200042469 in klee_boot (argc=1, argv=93898574882880) at /dios/arch/klee/boot.c:41
[ 0:07] 
[ 0:07] 
[ 0:07]      1	/* VERIFY_OPTS: --symbolic --sequential */
[ 0:07]      2	/* TAGS: error sym c */
[ 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 isOdd(int n);
[ 0:07]     16	int isEven(int n);
[ 0:07]     17	
[ 0:07]     18	int isOdd(int n) {
[ 0:07]     19	    if (n == 0) {
[ 0:07]     20	        return 0;
[ 0:07]     21	    } else if (n == 1) {
[ 0:07]     22	        return 1;
[ 0:07]     23	    } else {
[ 0:07]     24	        return isEven(n - 1);
[ 0:07]     25	    }
[ 0:07]     26	}
[ 0:07]     27	
[ 0:07]     28	int isEven(int n) {
[ 0:07]     29	    if (n == 0) {
[ 0:07]     30	        return 1;
[ 0:07]     31	    } else if (n == 1) {
[ 0:07]     32	        return 0;
[ 0:07]     33	    } else {
[ 0:07]     34	        return isOdd(n - 1);
[ 0:07]     35	    }
[ 0:07]     36	}
[ 0:07]     37	
[ 0:07]     38	
[ 0:07]     39	int main() {
[ 0:07]     40	    int n = __VERIFIER_nondet_int();
[ 0:07]     41	    if (n < 0) {
[ 0:07]     42	        return 0;
[ 0:07]     43	    }
[ 0:07]     44	    int result = isEven(n);
[ 0:07]     45	    int mod = n % 2;
[ 0:07]     46	    if (result < 0 || result == mod) {
[ 0:07]     47	        return 0;
[ 0:07]     48	    } else {
[ 0:07]     49	        ERROR: __VERIFIER_error(); /* ERROR */
[ 0:07]     50	    }
[ 0:07]     51	}
[ 0:07] # expected error to be found at /home/xrockai/src/divine/nightly/test/svcomp/recursion/EvenOdd03_false.c:49, but it was not