[ 0:00] compiling /home/xrockai/src/divine/nightly/test/svcomp/bitvector/interleave_bits_true.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.23/_klee_out"
[ 0:05] KLEE: Using Z3 solver backend
[ 0:05] WARNING: this target does not support the llvm.stacksave intrinsic.
[ 0:05] 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'
[ 0:05] 
[ 0:05] 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: 34138
[ 0:07] Stack: 
[ 0:07] 	#000034138 in __dios_start (l=0, argc=1, argv=94756276273160, envp=94756276291592) at /dios/libc/sys/start.cpp:87
[ 0:07] 	#100010149 in _ZN6__dios10sched_nullINS_5ClockINS_10NondetKleeINS_4BaseEEEEEE13run_schedulerINS_7ContextEEEvv () at /dios/sys/sched_null.hpp:163
[ 0:07] 	#200042488 in klee_boot (argc=1, argv=94756263397440) at /dios/arch/klee/boot.c:41
[ 0:07] 
[ 0:07] 
[ 0:07]      1	/* VERIFY_OPTS: --symbolic --sequential */
[ 0:07]      2	/* TAGS: sym c */
[ 0:07]      3	
[ 0:07]      4	extern void __VERIFIER_assert(int);/* https://graphics.stanford.edu/~seander/bithacks.html#InterleaveTableObvious */
[ 0:07]      5	
[ 0:07]      6	extern int __VERIFIER_nondet_int(void);
[ 0:07]      7	
[ 0:07]      8	int main()
[ 0:07]      9	{
[ 0:07]     10	    /* Interleave bits of x and y, so that all of the */
[ 0:07]     11	    /* bits of x are in the even positions and y in the odd; */
[ 0:07]     12	    unsigned short x = __VERIFIER_nondet_int();
[ 0:07]     13	    unsigned short y = __VERIFIER_nondet_int();
[ 0:07]     14	
[ 0:07]     15	    unsigned int xx = __VERIFIER_nondet_int();
[ 0:07]     16	    unsigned int yy = __VERIFIER_nondet_int();
[ 0:07]     17	    unsigned int zz = __VERIFIER_nondet_int();
[ 0:07]     18	
[ 0:07]     19	    unsigned int z = 0; /* z gets the resulting Morton Number. */
[ 0:07]     20	    unsigned int i = 0;
[ 0:07]     21	
[ 0:07]     22	    while (i < 32U) {
[ 0:07]     23	        z |= ((x & (1U << i)) << i) | ((y & (1U << i)) << (i + 1));
[ 0:07]     24	        i += 1U;
[ 0:07]     25	    }
[ 0:07]     26	
[ 0:07]     27	    xx = x;
[ 0:07]     28	    yy = y;
[ 0:07]     29	
[ 0:07]     30	    xx = (xx | (xx << 8u)) & 16711935U; /* 0x00FF00FF */
[ 0:07]     31	    xx = (xx | (xx << 4u)) & 252645135U; /* 0x0F0F0F0F */
[ 0:07]     32	    xx = (xx | (xx << 2u)) & 858993459U; /* 0x33333333 */
[ 0:07]     33	    xx = (xx | (xx << 1u)) & 1431655765U; /* 0x55555555 */
[ 0:07]     34	
[ 0:07]     35	    yy = (yy | (yy << 8u)) & 16711935U; /* 0x00FF00FF */
[ 0:07]     36	    yy = (yy | (yy << 4u)) & 252645135U; /* 0x0F0F0F0F */
[ 0:07]     37	    yy = (yy | (yy << 2u)) & 858993459U; /* 0x33333333 */
[ 0:07]     38	    yy = (yy | (yy << 1u)) & 1431655765U; /* 0x55555555 */
[ 0:07]     39	
[ 0:07]     40	    zz = xx | (yy << 1U);
[ 0:07]     41	
[ 0:07]     42	    __VERIFIER_assert(z == zz);
[ 0:07]     43	}
[ 0:07] # no errors were expected but one was found anyway