[ 0:00] compiling /home/xrockai/src/divine/nightly/test/svcomp/memsafety/test-0019_true-valid-memsafety.c [ 0:00] compiling /dios/lib/config/seqklee.bc [ 0:00] setting up pass: functionmeta, options = [ 0:01] setting up pass: fuse-ctors, options = [ 0:01] KLEE: output directory is "/var/obj/divine-nightly/semidbg/test/__test_work_dir.18/_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' [ 0:03] [ 0:03] KLEE: WARNING: undefined reference to function: __dios_tainted_init [ 0:05] KLEE: WARNING: undefined reference to function: klee_free [ 0:05] KLEE: WARNING: undefined reference to function: klee_malloc [ 0:05] i:1 [ 0:05] KLEE: WARNING ONCE: Alignment of memory from call "klee_malloc" is not modelled. Using alignment of 8. [ 0:05] about to __boot:0 [ 0:05] about to run the scheduler:0 [ 0:05] KLEE: WARNING ONCE: calling external: __dios_tainted_init() at /dios/libc/sys/start.cpp:49 5 [ 0:05] KLEE: ERROR: /dios/libc/sys/start.cpp:87: failed external call: __dios_tainted_init [ 0:05] KLEE: NOTE: now ignoring this error at this location [ 0:05] KLEE: ERROR: EXITING ON ERROR: [ 0:05] Error: failed external call: __dios_tainted_init [ 0:05] File: /dios/libc/sys/start.cpp [ 0:05] Line: 87 [ 0:05] assembly.ll line: 34042 [ 0:05] Stack: [ 0:05] #000034042 in __dios_start (l=0, argc=1, argv=94352108032520, envp=94352108101640) at /dios/libc/sys/start.cpp:87 [ 0:05] #100010068 in _ZN6__dios10sched_nullINS_5ClockINS_10NondetKleeINS_4BaseEEEEEE13run_schedulerINS_7ContextEEEvv () at /dios/sys/sched_null.hpp:163 [ 0:05] #200042307 in klee_boot (argc=2, argv=94352082025216) at /dios/arch/klee/boot.c:41 [ 0:05] [ 0:05] [ 0:05] 1 /* TAGS: c */ [ 0:05] 2 /* VERIFY_OPTS: -o nofail:malloc */ [ 0:05] 3 extern void __VERIFIER_error() __attribute__ ((__noreturn__)); [ 0:05] 4 [ 0:05] 5 #include [ 0:05] 6 [ 0:05] 7 typedef struct { [ 0:05] 8 void *lo; [ 0:05] 9 void *hi; [ 0:05] 10 } TData; [ 0:05] 11 [ 0:05] 12 static void alloc_data(TData *pdata) [ 0:05] 13 { [ 0:05] 14 pdata->lo = malloc(16); [ 0:05] 15 pdata->hi = malloc(24); [ 0:05] 16 } [ 0:05] 17 [ 0:05] 18 static void free_data(TData data) [ 0:05] 19 { [ 0:05] 20 void *lo = data.lo; [ 0:05] 21 void *hi = data.hi; [ 0:05] 22 [ 0:05] 23 if (lo == hi) [ 0:05] 24 return; [ 0:05] 25 [ 0:05] 26 free(lo); [ 0:05] 27 free(hi); [ 0:05] 28 } [ 0:05] 29 [ 0:05] 30 int main() { [ 0:05] 31 TData data; [ 0:05] 32 alloc_data(&data); [ 0:05] 33 free_data(data); [ 0:05] 34 return 0; [ 0:05] 35 } [ 0:05] # no errors were expected but one was found anyway