[ 0:00] + divine cc -o testcase.bc /home/xrockai/src/divine/nightly/test/dios/unwind-invalid-frame.c [ 0:00] compiling /home/xrockai/src/divine/nightly/test/dios/unwind-invalid-frame.c [ 0:00] + divine verify --max-memory 4GiB --threads 1 --report-filename verify.out testcase.bc [ 0:00] states per second: 95.2381 [ 0:02] state count: 2 [ 0:02] mips: 0.41 [ 0:02] [ 0:02] error found: yes [ 0:02] error trace: | [ 0:02] (0) DiOS assert failed at /home/xrockai/src/divine/nightly/dios/libc/sys/stack.cpp:44: __dios_unwind did not find the target frame [ 0:02] FAULT: DiOS assert failed [ 0:02] [0] FATAL: dios assertion violation in userspace [ 0:02] [ 0:02] stack 1: [ 0:02] - symbol: _start [ 0:02] location: /dios/src/libc/sys/start.cpp:102 [ 0:02] active stack: [ 0:02] - symbol: void __dios::FaultBase::handler<__dios::Upcall<__dios::fs::VFS<__dios::ProcessManager<__dios::Fault<__dios::Scheduler<__dios::Base> > > > > >(_VM_Fault, _VM_Frame*, void (*)()) [ 0:02] location: /dios/include/dios/sys/fault.hpp:86 [ 0:02] - symbol: __dios_fault [ 0:02] location: /dios/src/libc/sys/fault.c:14 [ 0:02] - symbol: __dios_unwind [ 0:02] location: /dios/src/libc/sys/stack.cpp:44 [ 0:02] - symbol: float [ 0:02] location: /home/xrockai/src/divine/nightly/test/dios/unwind-invalid-frame.c:14 [ 0:02] a report was written to verify.out [ 0:02] + divine sim --batch --skip-init --load-report verify.out [ 0:02] spec: __dios_unwind