[ 0:00] + divine cc -o testcase.bc /home/xrockai/src/divine/nightly/test/svcomp/pthread/buggy_simple_loop1_vf_false.c
[ 0:00] compiling /home/xrockai/src/divine/nightly/test/svcomp/pthread/buggy_simple_loop1_vf_false.c
[ 0:01] + divine verify --max-memory 4GiB --max-time 600 --threads 2 --report-filename verify.out --solver stp --symbolic --svcomp -o nofail:malloc testcase.bc
[ 0:01] loading bitcode … DiOS … LART … RR … constants … done
[ 0:03] booting … done
[ 0:03] states per second: 259.004
[ 0:13] state count: 2517
[ 0:13] mips: 0.3
[ 0:13] symbolic: 1
[ 0:13] svcomp: 1
[ 0:13] 
[ 0:13] error found: yes
[ 0:13] error trace: |
[ 0:13]   ASSUME (and (= #b1 #b1) (not (bvult #x00000000 var_0)))
[ 0:13]   ASSUME (and (and (= #b1 #b1) (not (bvult #x00000000 var_0))) (= #x00000000 var_0))
[ 0:13]   ASSUME (and (and (and (= #b1 #b1) (not (bvult #x00000000 var_0))) (= #x00000000 var_0)) (not (= #x00000001 var_1)))
[ 0:13]   ASSUME (and (and (and (and (= #b1 #b1) (not (bvult #x00000000 var_0))) (= #x00000000 var_0)) (not (= #x00000001 var_1))) (not (bvule var_1 (bvadd var_0 #x00000001))))
[ 0:13]   FAULT: verifier error called
[ 0:13]   [1] FATAL: dios assertion violation in userspace
[ 0:13] 
[ 0:13] active stack:
[ 0:13]   - symbol: void __dios::FaultBase::handler<__dios::Upcall<__dios::fs::VFS<__dios::ProcessManager<__dios::Fault<__dios::Scheduler<__dios::Base> > > > > >(_VM_Fault, _VM_Frame*, void (*)())
[ 0:13]     location: /dios/include/dios/sys/fault.hpp:118
[ 0:13]   - symbol: __dios_fault
[ 0:13]     location: /dios/src/arch/divm/fault.c:12
[ 0:13]   - symbol: __VERIFIER_error
[ 0:13]     location: /dios/src/libc/svcomp/svcomp-error.cpp:5
[ 0:13]   - symbol: thr1
[ 0:13]     location: /home/xrockai/src/divine/nightly/test/svcomp/pthread/buggy_simple_loop1_vf_false.c:22
[ 0:13]   - symbol: __pthread_start
[ 0:13]     location: /dios/src/libc/pthread/pthread-init.cpp:79
[ 0:13]   - symbol: __pthread_entry
[ 0:13]     location: /dios/src/libc/pthread/pthread-core.cpp:50
[ 0:13] a report was written to verify.out
[ 0:13] + divine sim --batch --skip-init --load-report verify.out