[ 0:00] --symbolic [ 0:00] compiling /home/xrockai/src/divine/nightly/test/svcomp/recursion/sum_20x0_false.c [ 0:00] states per second: 66.6667 [ 0:32] state count: 2 [ 0:32] mips: 0.29 [ 0:32] symbolic: 1 [ 0:32] [ 0:32] error found: yes [ 0:32] error trace: | [ 0:32] (0) FAULT: verifier error called [ 0:32] [0] FATAL: dios assertion violation in userspace [ 0:32] [ 0:32] active stack: [ 0:32] - 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 (*)()) [ 0:32] location: /dios/include/dios/sys/fault.hpp:193 [ 0:32] - symbol: __dios_fault [ 0:32] location: /home/xrockai/src/divine/nightly/dios/libc/sys/fault.c:12 [ 0:32] - symbol: __VERIFIER_error [ 0:32] location: /home/xrockai/src/divine/nightly/dios/libc/svcomp/svcomp-error.cpp:5 [ 0:32] - symbol: main [ 0:32] location: /home/xrockai/src/divine/nightly/test/svcomp/recursion/sum_20x0_false.c:18 [ 0:32] - symbol: _start [ 0:32] location: /dios/src/libc/sys/start.cpp:82 [ 0:32] a report was written to verify.out [ 0:32] [ 1:12] ^ —————. —.— . . —.— . . .————— . . [ 1:12] ——— | | | | | | |\ | | | | [ 1:12] —(o)— | | | | | | | \ | |———— '————| [ 1:12] ——————— | | | \ / | | \| | | [ 1:12] ————————— —————' —'— ' —'— ' ' '————— ' [ 1:12] [ 1:12] Welcome to 'divine sim', an interactive debugger. Type 'help' to get started. [ 1:12] traced states: #1 [ 1:13] # active threads: [0:0] [ 1:13] T: (0) FAULT: verifier error called [ 1:13] T: [0] FATAL: dios assertion violation in userspace [ 1:13] # executing void {Fault}::handler<{Context} >(_VM_Fault, _VM_Frame*, void (*)()) at /dios/include/dios/sys/fault.hpp:193 [ 1:13] # NOTE: $frame in __dios_fault [ 1:13] > backtrace [ 1:13] void {Fault}::handler<{Context} >(_VM_Fault, _VM_Frame*, void (*)()) at /dios/include/dios/sys/fault.hpp:193 [ 1:13] __dios_fault at /home/xrockai/src/divine/nightly/dios/libc/sys/fault.c:12 [ 1:13] __VERIFIER_error at /home/xrockai/src/divine/nightly/dios/libc/svcomp/svcomp-error.cpp:5 [ 1:13] main at /home/xrockai/src/divine/nightly/test/svcomp/recursion/sum_20x0_false.c:18 [ 1:13] _start at /dios/src/libc/sys/start.cpp:82 [ 1:13] # executing void {Fault}::handler<{Context} >(_VM_Fault, _VM_Frame*, void (*)()) at /dios/include/dios/sys/fault.hpp:193 [ 1:13] # NOTE: $frame in __dios_fault