[ 0:00]   | load /home/xrockai/src/divine/nightly/test/svcomp/recursion/fibo_20_false.c fibo_20_false.c
[ 0:00]   | expect --result error --location fibo_20_false.c:29
[ 0:00]   | expect --trace FAULT: --trace-count 1
[ 0:00]   | cc -o testcase.bc fibo_20_false.c
[ 0:00]   | verify --max-memory 4GiB --max-time 600 --threads 2 --report-filename verify.out --leakcheck exit testcase.bc
[ 0:00] compiling fibo_20_false.c
[ 0:00] loading bitcode … DiOS … LART … RR … constants … done
[ 0:03] booting … done
[ 0:03] states per second: 2.24719
[ 0:04] state count: 2
[ 0:04] mips: 0.28
[ 0:04] 
[ 0:05] error found: yes
[ 0:05] error trace: |
[ 0:05]   FAULT: verifier error called
[ 0:05]   [0] FATAL: dios assertion violation in userspace
[ 0:05] 
[ 0:05] active stack:
[ 0:07]   - symbol: void __dios::FaultBase::handler<__dios::Context>(_VM_Fault, _VM_Frame*, void (*)())
[ 0:08]     location: /dios/sys/fault.hpp:118
[ 0:08]   - symbol: __dios_fault
[ 0:08]     location: /dios/arch/divm/fault.c:12
[ 0:08]   - symbol: __VERIFIER_error
[ 0:08]     location: /dios/libc/svcomp/svcomp-error.cpp:5
[ 0:08]   - symbol: main
[ 0:08]     location: fibo_20_false.c:29
[ 0:08]   - symbol: __dios_start
[ 0:08]     location: /dios/libc/sys/start.cpp:94
[ 0:08] + divine sim --batch --skip-init --load-report verify.out
[ 0:08] 
[ 0:11]            ^       —————.   —.—  .     .  —.—  .     .  .—————    .    .
[ 0:11]           ———      |     |   |   |     |   |   |\    |  |         |    |
[ 0:11]          —(o)—     |     |   |   |     |   |   |  \  |  |————     '————|
[ 0:11]         ———————    |     |   |    \   /    |   |    \|  |              |
[ 0:11]        —————————   —————'   —'—     '     —'—  '     '  '—————         '
[ 0:11] 
[ 0:11] Welcome to 'divine sim', an interactive debugger. Type 'help' to get started.
[ 0:11] traced states:
[ 0:11] ▶ state    #1 [new] -- active threads: [0:0] --
[ 0:11] T: FAULT: verifier error called
[ 0:14] # executing void __dios::FaultBase::handler<{Context}>(_VM_Fault, _VM_Frame*, void (*)()) at /dios/sys/fault.hpp:118
[ 0:14] # NOTE: $frame in __dios_fault
[ 0:14] > backtrace
[ 0:14]   void __dios::FaultBase::handler<{Context}>(_VM_Fault, _VM_Frame*, void (*)()) at /dios/sys/fault.hpp:118
[ 0:14]   __dios_fault at /dios/arch/divm/fault.c:12
[ 0:14]   __VERIFIER_error at /dios/libc/svcomp/svcomp-error.cpp:5
[ 0:14]   main at fibo_20_false.c:29
[ 0:14]   __dios_start at /dios/libc/sys/start.cpp:94
[ 0:14] # executing void __dios::FaultBase::handler<{Context}>(_VM_Fault, _VM_Frame*, void (*)()) at /dios/sys/fault.hpp:118
[ 0:14] # NOTE: $frame in __dios_fault