[ 0:01] compiling /home/xrockai/src/divine/nightly/test/pthread/2.mutex-unlock.c [ 0:01] states per second: 2.79851 [ 0:15] state count: 3 [ 0:15] mips: 0.34 [ 0:15] [ 0:19] error found: yes [ 0:19] error trace: | [ 0:19] (0) FAULT: Attempting to unlock mutex which is not locked. [ 0:19] [0] FATAL: locking error in userspace [ 0:19] [ 0:19] active stack: [ 0:19] - symbol: void {Fault}::handler<{Context} >(_VM_Fault, _VM_Frame*, void (*)(), ...) [ 0:19] location: /divine/include/dios/core/fault.hpp:187 [ 0:19] - symbol: __dios_fault [ 0:19] location: /divine/src/libc/functions/sys/fault.c:25 [ 0:19] - symbol: pthread_mutex_unlock [ 0:19] location: /divine/src/libc/functions/sys/pthread.cpp:884 [ 0:19] - symbol: main [ 0:19] location: /home/xrockai/src/divine/nightly/test/pthread/2.mutex-unlock.c:5 [ 0:19] - symbol: _start [ 0:19] location: /divine/src/libc/functions/sys/start.cpp:76 [ 0:19] a report was written to verify.out [ 0:19] [ 0:29] ^ —————. —.— . . —.— . . .————— . . [ 0:29] ——— | | | | | | |\ | | | | [ 0:29] —(o)— | | | | | | | \ | |———— '————| [ 0:29] ——————— | | | \ / | | \| | | [ 0:29] ————————— —————' —'— ' —'— ' ' '————— ' [ 0:29] [ 0:29] Welcome to 'divine sim', an interactive debugger. Type 'help' to get started. [ 0:29] traced states: #1 #2 [ 0:33] # active threads: [0:0] [ 0:33] T: (0) FAULT: Attempting to unlock mutex which is not locked. [ 0:33] T: [0] FATAL: locking error in userspace [ 0:33] # executing void {Fault}::handler<{Context} >(_VM_Fault, _VM_Frame*, void (*)(), ...) at /divine/include/dios/core/fault.hpp:187 [ 0:33] # NOTE: $frame in __dios_fault [ 0:33] > backtrace [ 0:33] void {Fault}::handler<{Context} >(_VM_Fault, _VM_Frame*, void (*)(), ...) at /divine/include/dios/core/fault.hpp:187 [ 0:33] __dios_fault at /divine/src/libc/functions/sys/fault.c:25 [ 0:33] pthread_mutex_unlock at /divine/src/libc/functions/sys/pthread.cpp:884 [ 0:33] main at /home/xrockai/src/divine/nightly/test/pthread/2.mutex-unlock.c:5 [ 0:33] _start at /divine/src/libc/functions/sys/start.cpp:76 [ 0:33] # executing void {Fault}::handler<{Context} >(_VM_Fault, _VM_Frame*, void (*)(), ...) at /divine/include/dios/core/fault.hpp:187 [ 0:33] # NOTE: $frame in __dios_fault