[ 0:00] compiling /home/xrockai/src/divine/nightly/test/svcomp/memsafety/test-0158_false-valid-free.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.16/_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'
[ 0:04] 
[ 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] 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:
[ 0:07] Error: failed external call: __dios_tainted_init
[ 0:07] File: /dios/libc/sys/start.cpp
[ 0:07] Line: 87
[ 0:07] assembly.ll line: 33983
[ 0:07] Stack: 
[ 0:07] 	#000033983 in __dios_start (l=0, argc=1, argv=94068726813192, envp=94068726874120) at /dios/libc/sys/start.cpp:87
[ 0:07] 	#100010009 in _ZN6__dios10sched_nullINS_5ClockINS_10NondetKleeINS_4BaseEEEEEE13run_schedulerINS_7ContextEEEvv () at /dios/sys/sched_null.hpp:163
[ 0:07] 	#200042248 in klee_boot (argc=2, argv=94068700855040) at /dios/arch/klee/boot.c:41
[ 0:07] 
[ 0:07] 
[ 0:07]      1	/* TAGS: error c */
[ 0:07]      2	/* VERIFY_OPTS: -o nofail:malloc */
[ 0:07]      3	extern void __VERIFIER_error() __attribute__ ((__noreturn__));
[ 0:07]      4	
[ 0:07]      5	#include <stdlib.h>
[ 0:07]      6	#include <string.h>
[ 0:07]      7	
[ 0:07]      8	int main()
[ 0:07]      9	{
[ 0:07]     10	    union {
[ 0:07]     11	        void *p0;
[ 0:07]     12	
[ 0:07]     13	        struct {
[ 0:07]     14	            char c[2];
[ 0:07]     15	            void *p1;
[ 0:07]     16	            void *p2;
[ 0:07]     17	        } str;
[ 0:07]     18	
[ 0:07]     19	    } data;
[ 0:07]     20	
[ 0:07]     21	    // alloc 37B on heap
[ 0:07]     22	    data.p0 = malloc(37U);
[ 0:07]     23	
[ 0:07]     24	    // this should be fine
[ 0:07]     25	    data.str.p2 = &data;
[ 0:07]     26	
[ 0:07]     27	    // avoid introducing a memleak
[ 0:07]     28	    void *ptr = data.p0;
[ 0:07]     29	
[ 0:07]     30	    // invalid free()
[ 0:07]     31	    data.str.c[1] = sizeof data.str.p1;
[ 0:07]     32	    free(data.p0); /* ERROR */
[ 0:07]     33	
[ 0:07]     34	    free(ptr);
[ 0:07]     35	    return 0;
[ 0:07]     36	}
[ 0:07] # expected error to be found at /home/xrockai/src/divine/nightly/test/svcomp/memsafety/test-0158_false-valid-free.c:32, but it was not