[ 0:00] compiling /home/xrockai/src/divine/nightly/test/svcomp/memsafety/960521-1_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.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
[ 0:07] 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
[ 0:07] 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: 34059
[ 0:07] Stack: 
[ 0:07] 	#000034059 in __dios_start (l=0, argc=1, argv=93863548613128, envp=93863548690440) at /dios/libc/sys/start.cpp:87
[ 0:07] 	#100010085 in _ZN6__dios10sched_nullINS_5ClockINS_10NondetKleeINS_4BaseEEEEEE13run_schedulerINS_7ContextEEEvv () at /dios/sys/sched_null.hpp:163
[ 0:07] 	#200042324 in klee_boot (argc=2, argv=93863522646784) 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	
[ 0:07]      7	int *a, *b;
[ 0:07]      8	int n;
[ 0:07]      9	
[ 0:07]     10	#define BLOCK_SIZE 128
[ 0:07]     11	
[ 0:07]     12	void foo ()
[ 0:07]     13	{
[ 0:07]     14	  int i;
[ 0:07]     15	  for (i = 0; i < n; i++)
[ 0:07]     16	    a[i] = -1;
[ 0:07]     17	  for (i = 0; i < BLOCK_SIZE - 1; i++)
[ 0:07]     18	    b[i] = -1;
[ 0:07]     19	}
[ 0:07]     20	
[ 0:07]     21	int main ()
[ 0:07]     22	{
[ 0:07]     23	  n = BLOCK_SIZE;
[ 0:07]     24	  a = malloc (n * sizeof(*a));
[ 0:07]     25	  b = malloc (n * sizeof(*b));
[ 0:07]     26	  *b++ = 0;
[ 0:07]     27	  foo ();
[ 0:07]     28	  if (b[-1])
[ 0:07]     29	  { free(a); free(b); } /* invalid free (b was iterated) */
[ 0:07]     30	  else
[ 0:07]     31	  { free(a); free(b); } /* ditto */ /* ERROR */
[ 0:07]     32	
[ 0:07]     33	  return 0;
[ 0:07]     34	}
[ 0:07] # expected error to be found at /home/xrockai/src/divine/nightly/test/svcomp/memsafety/960521-1_false-valid-free.c:31, but it was not