[ 0:00] --symbolic --sequential
[ 0:00] compiling /home/xrockai/src/divine/nightly/test/svcomp/recursion/id_o20_false.c
[ 0:00] states per second: 4.95272
[ 0:45] state count: 44
[ 0:45] mips: 0.011
[ 0:45] symbolic: 1
[ 0:57] 
[ 0:57] error found: yes
[ 0:57] error trace: |
[ 0:57]   ASSUME (not (= var_0 #x00000000))
[ 0:57]   ASSUME (not (= (bvsub var_0 #x00000001) #x00000000))
[ 0:57]   ASSUME (not (= (bvsub (bvsub var_0 #x00000001) #x00000001) #x00000000))
[ 0:57]   ASSUME (not (= (bvsub (bvsub (bvsub var_0 #x00000001) #x00000001) #x00000001) #x00000000))
[ 0:57]   ASSUME (not (= (bvsub (bvsub (bvsub (bvsub var_0 #x00000001) #x00000001) #x00000001) #x00000001) #x00000000))
[ 0:57]   ASSUME (not (= (bvsub (bvsub (bvsub (bvsub (bvsub var_0 #x00000001) #x00000001) #x00000001) #x00000001) #x00000001) #x00000000))
[ 0:57]   ASSUME (not (= (bvsub (bvsub (bvsub (bvsub (bvsub (bvsub var_0 #x00000001) #x00000001) #x00000001) #x00000001) #x00000001) #x00000001) #x00000000))
[ 0:57]   ASSUME (not (= (bvsub (bvsub (bvsub (bvsub (bvsub (bvsub (bvsub var_0 #x00000001) #x00000001) #x00000001) #x00000001) #x00000001) #x00000001) #x00000001) #x00000000))
[ 0:57]   ASSUME (not (= (bvsub (bvsub (bvsub (bvsub (bvsub (bvsub (bvsub (bvsub var_0 #x00000001) #x00000001) #x00000001) #x00000001) #x00000001) #x00000001) #x00000001) #x00000001) #x00000000))
[ 0:57]   ASSUME (not (= (bvsub (bvsub (bvsub (bvsub (bvsub (bvsub (bvsub (bvsub (bvsub var_0 #x00000001) #x00000001) #x00000001) #x00000001) #x00000001) #x00000001) #x00000001) #x00000001) #x00000001) #x00000000))
[ 0:57]   ASSUME (not (= (bvsub (bvsub (bvsub (bvsub (bvsub (bvsub (bvsub (bvsub (bvsub (bvsub var_0 #x00000001) #x00000001) #x00000001) #x00000001) #x00000001) #x00000001) #x00000001) #x00000001) #x00000001) #x00000001) #x00000000))
[ 0:57]   ASSUME (not (= (bvsub (bvsub (bvsub (bvsub (bvsub (bvsub (bvsub (bvsub (bvsub (bvsub (bvsub var_0 #x00000001) #x00000001) #x00000001) #x00000001) #x00000001) #x00000001) #x00000001) #x00000001) #x00000001) #x00000001) #x00000001) #x00000000))
[ 0:57]   ASSUME (not (= (bvsub (bvsub (bvsub (bvsub (bvsub (bvsub (bvsub (bvsub (bvsub (bvsub (bvsub (bvsub var_0 #x00000001) #x00000001) #x00000001) #x00000001) #x00000001) #x00000001) #x00000001) #x00000001) #x00000001) #x00000001) #x00000001) #x00000001) #x00000000))
[ 0:57]   ASSUME (not (= (bvsub (bvsub (bvsub (bvsub (bvsub (bvsub (bvsub (bvsub (bvsub (bvsub (bvsub (bvsub (bvsub var_0 #x00000001) #x00000001) #x00000001) #x00000001) #x00000001) #x00000001) #x00000001) #x00000001) #x00000001) #x00000001) #x00000001) #x00000001) #x00000001) #x00000000))
[ 0:57]   ASSUME (not (= (bvsub (bvsub (bvsub (bvsub (bvsub (bvsub (bvsub (bvsub (bvsub (bvsub (bvsub (bvsub (bvsub (bvsub var_0 #x00000001) #x00000001) #x00000001) #x00000001) #x00000001) #x00000001) #x00000001) #x00000001) #x00000001) #x00000001) #x00000001) #x00000001) #x00000001) #x00000001) #x00000000))
[ 0:57]   ASSUME (not (= (bvsub (bvsub (bvsub (bvsub (bvsub (bvsub (bvsub (bvsub (bvsub (bvsub (bvsub (bvsub (bvsub (bvsub (bvsub var_0 #x00000001) #x00000001) #x00000001) #x00000001) #x00000001) #x00000001) #x00000001) #x00000001) #x00000001) #x00000001) #x00000001) #x00000001) #x00000001) #x00000001) #x00000001) #x00000000))
[ 0:57]   ASSUME (not (= (bvsub (bvsub (bvsub (bvsub (bvsub (bvsub (bvsub (bvsub (bvsub (bvsub (bvsub (bvsub (bvsub (bvsub (bvsub (bvsub var_0 #x00000001) #x00000001) #x00000001) #x00000001) #x00000001) #x00000001) #x00000001) #x00000001) #x00000001) #x00000001) #x00000001) #x00000001) #x00000001) #x00000001) #x00000001) #x00000001) #x00000000))
[ 0:57]   ASSUME (not (= (bvsub (bvsub (bvsub (bvsub (bvsub (bvsub (bvsub (bvsub (bvsub (bvsub (bvsub (bvsub (bvsub (bvsub (bvsub (bvsub (bvsub var_0 #x00000001) #x00000001) #x00000001) #x00000001) #x00000001) #x00000001) #x00000001) #x00000001) #x00000001) #x00000001) #x00000001) #x00000001) #x00000001) #x00000001) #x00000001) #x00000001) #x00000001) #x00000000))
[ 0:57]   ASSUME (not (= (bvsub (bvsub (bvsub (bvsub (bvsub (bvsub (bvsub (bvsub (bvsub (bvsub (bvsub (bvsub (bvsub (bvsub (bvsub (bvsub (bvsub (bvsub var_0 #x00000001) #x00000001) #x00000001) #x00000001) #x00000001) #x00000001) #x00000001) #x00000001) #x00000001) #x00000001) #x00000001) #x00000001) #x00000001) #x00000001) #x00000001) #x00000001) #x00000001) #x00000001) #x00000000))
[ 0:57]   ASSUME (not (= (bvsub (bvsub (bvsub (bvsub (bvsub (bvsub (bvsub (bvsub (bvsub (bvsub (bvsub (bvsub (bvsub (bvsub (bvsub (bvsub (bvsub (bvsub (bvsub var_0 #x00000001) #x00000001) #x00000001) #x00000001) #x00000001) #x00000001) #x00000001) #x00000001) #x00000001) #x00000001) #x00000001) #x00000001) #x00000001) #x00000001) #x00000001) #x00000001) #x00000001) #x00000001) #x00000001) #x00000000))
[ 0:57]   ASSUME (= (bvsub (bvsub (bvsub (bvsub (bvsub (bvsub (bvsub (bvsub (bvsub (bvsub (bvsub (bvsub (bvsub (bvsub (bvsub (bvsub (bvsub (bvsub (bvsub (bvsub var_0 #x00000001) #x00000001) #x00000001) #x00000001) #x00000001) #x00000001) #x00000001) #x00000001) #x00000001) #x00000001) #x00000001) #x00000001) #x00000001) #x00000001) #x00000001) #x00000001) #x00000001) #x00000001) #x00000001) #x00000001) #x00000000)
[ 0:57]   (0) FAULT: verifier error called
[ 0:57]   [0] FATAL: dios assertion violation in userspace
[ 0:57] 
[ 0:57] active stack:
[ 0:57]   - symbol: void __dios::Fault<__dios::Scheduler<__dios::MachineParams<__dios::MonitorManager<__dios::BaseContext> > > >::handler<__dios::fs::VFS<__dios::ProcessManager<__dios::Fault<__dios::Scheduler<__dios::MachineParams<__dios::MonitorManager<__dios::BaseContext> > > > > > >(_VM_Fault, _VM_Frame*, void (*)())
[ 0:57]     location: /dios/include/dios/sys/fault.hpp:193
[ 0:57]   - symbol: __dios_fault
[ 0:57]     location: /home/xrockai/src/divine/nightly/dios/libc/sys/fault.c:12
[ 0:57]   - symbol: __VERIFIER_error
[ 0:57]     location: /home/xrockai/src/divine/nightly/dios/libc/svcomp/svcomp-error.cpp:5
[ 0:57]   - symbol: main
[ 0:57]     location: /home/xrockai/src/divine/nightly/test/svcomp/recursion/id_o20_false.c:16
[ 0:57]   - symbol: _start
[ 0:57]     location: /dios/src/libc/sys/start.cpp:82
[ 0:57] a report was written to verify.out
[ 0:57] 
[ 1:27]            ^       —————.   —.—  .     .  —.—  .     .  .—————    .    .
[ 1:27]           ———      |     |   |   |     |   |   |\    |  |         |    |
[ 1:27]          —(o)—     |     |   |   |     |   |   |  \  |  |————     '————|
[ 1:27]         ———————    |     |   |    \   /    |   |    \|  |              |
[ 1:27]        —————————   —————'   —'—     '     —'—  '     '  '—————         '
[ 1:27] 
[ 1:27] Welcome to 'divine sim', an interactive debugger. Type 'help' to get started.
[ 1:27] traced states: #1 #2 #3 #4 #5 #6 #7 #8 #9 #10 #11 #12 #13 #14 #15 #16 #17 #18 #19 #20 #21 #22
[ 1:28] # active threads: [0:0]
[ 1:28] T: (0) FAULT: verifier error called
[ 1:28] T: [0] FATAL: dios assertion violation in userspace
[ 1:28] # executing void {Fault}::handler<{Context} >(_VM_Fault, _VM_Frame*, void (*)()) at /dios/include/dios/sys/fault.hpp:193
[ 1:28] # NOTE: $frame in __dios_fault
[ 1:28] > backtrace
[ 1:28]   void {Fault}::handler<{Context} >(_VM_Fault, _VM_Frame*, void (*)()) at /dios/include/dios/sys/fault.hpp:193
[ 1:28]   __dios_fault at /home/xrockai/src/divine/nightly/dios/libc/sys/fault.c:12
[ 1:28]   __VERIFIER_error at /home/xrockai/src/divine/nightly/dios/libc/svcomp/svcomp-error.cpp:5
[ 1:28]   main at /home/xrockai/src/divine/nightly/test/svcomp/recursion/id_o20_false.c:16
[ 1:28]   _start at /dios/src/libc/sys/start.cpp:82
[ 1:28] # executing void {Fault}::handler<{Context} >(_VM_Fault, _VM_Frame*, void (*)()) at /dios/include/dios/sys/fault.hpp:193
[ 1:28] # NOTE: $frame in __dios_fault