[ 0:00] compiling /home/xrockai/src/divine/nightly/test/libc/strncpy-overlap-1.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.21/_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 [ 0:06] KLEE: WARNING: undefined reference to function: klee_free [ 0:06] KLEE: WARNING: undefined reference to function: klee_malloc [ 0:06] about to __boot:0 [ 0:06] KLEE: WARNING ONCE: Alignment of memory from call "klee_malloc" is not modelled. Using alignment of 8. [ 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: [ 0:06] Error: failed external call: __dios_tainted_init [ 0:06] File: /dios/libc/sys/start.cpp [ 0:06] Line: 87 [ 0:06] assembly.ll line: 34094 [ 0:06] Stack: [ 0:06] #000034094 in __dios_start (l=0, argc=1, argv=94239667478536, envp=94239667496968) at /dios/libc/sys/start.cpp:87 [ 0:06] #100009989 in _ZN6__dios10sched_nullINS_5ClockINS_10NondetKleeINS_4BaseEEEEEE13run_schedulerINS_7ContextEEEvv () at /dios/sys/sched_null.hpp:163 [ 0:06] #200042228 in klee_boot (argc=1, argv=94239654684736) at /dios/arch/klee/boot.c:41 [ 0:06] [ 0:06] [ 0:06] 1 /* TAGS: error ub */ [ 0:06] 2 #include [ 0:06] 3 [ 0:06] 4 int main() [ 0:06] 5 { [ 0:06] 6 char buf[ 15 ] = "xyz"; [ 0:06] 7 strncpy( buf + 1, buf, 2 ); /* ERROR */ [ 0:06] 8 } [ 0:06] # expected error to be found at /home/xrockai/src/divine/nightly/test/libc/strncpy-overlap-1.c:7, but it was not