[ 0:00] --symbolic --sequential [ 0:00] compiling /home/xrockai/src/divine/nightly/test/svcomp/recursion/Fibonacci04_false.c [ 0:01] states per second: 6.24593 [ 0:53] state count: 96 [ 0:53] mips: 0.0069 [ 0:53] symbolic: 1 [ 0:58] [ 0:58] error found: yes [ 0:58] error trace: | [ 0:58] ASSUME (not (bvslt var_0 #x00000001)) [ 0:58] ASSUME (not (= var_0 #x00000001)) [ 0:58] ASSUME (not (bvslt (bvsub var_0 #x00000001) #x00000001)) [ 0:58] ASSUME (not (= (bvsub var_0 #x00000001) #x00000001)) [ 0:58] ASSUME (not (bvslt (bvsub (bvsub var_0 #x00000001) #x00000001) #x00000001)) [ 0:58] ASSUME (not (= (bvsub (bvsub var_0 #x00000001) #x00000001) #x00000001)) [ 0:58] ASSUME (not (bvslt (bvsub (bvsub (bvsub var_0 #x00000001) #x00000001) #x00000001) #x00000001)) [ 0:58] ASSUME (not (= (bvsub (bvsub (bvsub var_0 #x00000001) #x00000001) #x00000001) #x00000001)) [ 0:58] ASSUME (not (bvslt (bvsub (bvsub (bvsub (bvsub var_0 #x00000001) #x00000001) #x00000001) #x00000001) #x00000001)) [ 0:58] ASSUME (= (bvsub (bvsub (bvsub (bvsub var_0 #x00000001) #x00000001) #x00000001) #x00000001) #x00000001) [ 0:58] ASSUME (bvslt (bvsub (bvsub (bvsub (bvsub var_0 #x00000001) #x00000001) #x00000001) #x00000002) #x00000001) [ 0:58] ASSUME (not (bvslt (bvsub (bvsub (bvsub var_0 #x00000001) #x00000001) #x00000002) #x00000001)) [ 0:58] ASSUME (= (bvsub (bvsub (bvsub var_0 #x00000001) #x00000001) #x00000002) #x00000001) [ 0:58] ASSUME (not (bvslt (bvsub (bvsub var_0 #x00000001) #x00000002) #x00000001)) [ 0:58] ASSUME (not (= (bvsub (bvsub var_0 #x00000001) #x00000002) #x00000001)) [ 0:58] ASSUME (not (bvslt (bvsub (bvsub (bvsub var_0 #x00000001) #x00000002) #x00000001) #x00000001)) [ 0:58] ASSUME (= (bvsub (bvsub (bvsub var_0 #x00000001) #x00000002) #x00000001) #x00000001) [ 0:58] ASSUME (bvslt (bvsub (bvsub (bvsub var_0 #x00000001) #x00000002) #x00000002) #x00000001) [ 0:58] ASSUME (not (bvslt (bvsub var_0 #x00000002) #x00000001)) [ 0:58] ASSUME (not (= (bvsub var_0 #x00000002) #x00000001)) [ 0:58] ASSUME (not (bvslt (bvsub (bvsub var_0 #x00000002) #x00000001) #x00000001)) [ 0:58] ASSUME (not (= (bvsub (bvsub var_0 #x00000002) #x00000001) #x00000001)) [ 0:58] ASSUME (not (bvslt (bvsub (bvsub (bvsub var_0 #x00000002) #x00000001) #x00000001) #x00000001)) [ 0:58] ASSUME (= (bvsub (bvsub (bvsub var_0 #x00000002) #x00000001) #x00000001) #x00000001) [ 0:58] ASSUME (bvslt (bvsub (bvsub (bvsub var_0 #x00000002) #x00000001) #x00000002) #x00000001) [ 0:58] ASSUME (not (bvslt (bvsub (bvsub var_0 #x00000002) #x00000002) #x00000001)) [ 0:58] ASSUME (= (bvsub (bvsub var_0 #x00000002) #x00000002) #x00000001) [ 0:58] ASSUME (not (not (= var_0 #x00000005))) [ 0:58] (0) FAULT: verifier error called [ 0:58] [0] FATAL: dios assertion violation in userspace [ 0:58] [ 0:58] active stack: [ 0:59] - 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 (*)()) [ 0:59] location: /dios/include/dios/sys/fault.hpp:193 [ 0:59] - symbol: __dios_fault [ 0:59] location: /home/xrockai/src/divine/nightly/dios/libc/sys/fault.c:12 [ 0:59] - symbol: __VERIFIER_error [ 0:59] location: /home/xrockai/src/divine/nightly/dios/libc/svcomp/svcomp-error.cpp:5 [ 0:59] - symbol: main [ 0:59] location: /home/xrockai/src/divine/nightly/test/svcomp/recursion/Fibonacci04_false.c:35 [ 0:59] - symbol: _start [ 0:59] location: /dios/src/libc/sys/start.cpp:82 [ 0:59] a report was written to verify.out [ 0:59] [ 1:33] ^ —————. —.— . . —.— . . .————— . . [ 1:33] ——— | | | | | | |\ | | | | [ 1:33] —(o)— | | | | | | | \ | |———— '————| [ 1:33] ——————— | | | \ / | | \| | | [ 1:33] ————————— —————' —'— ' —'— ' ' '————— ' [ 1:33] [ 1:33] Welcome to 'divine sim', an interactive debugger. Type 'help' to get started. [ 1:33] traced states: #1 #2 #3 #4 #5 #6 #7 #8 #9 #10 #11 #12 #13 #14 #15 #16 [ 1:33] # active threads: [0:0] [ 1:33] T: (0) FAULT: verifier error called [ 1:34] T: [0] FATAL: dios assertion violation in userspace [ 1:34] # executing void {Fault}::handler<{Context} >(_VM_Fault, _VM_Frame*, void (*)()) at /dios/include/dios/sys/fault.hpp:193 [ 1:34] # NOTE: $frame in __dios_fault [ 1:34] > backtrace [ 1:34] void {Fault}::handler<{Context} >(_VM_Fault, _VM_Frame*, void (*)()) at /dios/include/dios/sys/fault.hpp:193 [ 1:34] __dios_fault at /home/xrockai/src/divine/nightly/dios/libc/sys/fault.c:12 [ 1:34] __VERIFIER_error at /home/xrockai/src/divine/nightly/dios/libc/svcomp/svcomp-error.cpp:5 [ 1:34] main at /home/xrockai/src/divine/nightly/test/svcomp/recursion/Fibonacci04_false.c:35 [ 1:34] _start at /dios/src/libc/sys/start.cpp:82 [ 1:34] # executing void {Fault}::handler<{Context} >(_VM_Fault, _VM_Frame*, void (*)()) at /dios/include/dios/sys/fault.hpp:193 [ 1:34] # NOTE: $frame in __dios_fault