MAYBE Errors: Stacktrace: at <0xffffffff> at (wrapper managed-to-native) Microsoft.Z3.Native/LIB.Z3_fixedpoint_dec_ref (intptr,intptr) [0x00002] in <1589d34e42ba4cbeb3351b894afd3b19>:0 at Microsoft.Z3.Native.Z3_fixedpoint_dec_ref (intptr,intptr) [0x00001] in <1589d34e42ba4cbeb3351b894afd3b19>:0 at Microsoft.Z3.Fixedpoint/DecRefQueue.DecRef (Microsoft.Z3.Context,intptr) [0x00007] in <1589d34e42ba4cbeb3351b894afd3b19>:0 at Microsoft.Z3.IDecRefQueue.Clear (Microsoft.Z3.Context) [0x0002b] in <1589d34e42ba4cbeb3351b894afd3b19>:0 at Microsoft.Z3.Context.Dispose () [0x000bd] in <1589d34e42ba4cbeb3351b894afd3b19>:0 at Microsoft.Research.T2.MuZ/MuZWrapper.CallSpacer (System.Collections.Generic.Dictionary`2,Microsoft.FSharp.Collections.FSharpList`1>,Microsoft.Z3.BoolExpr) [0x0014d] in <597f493e96b5f0a0a74503833e497f59>:0 at Microsoft.Research.T2.MuZ/MuZWrapper.Microsoft-Research-T2-SafetyInterface-SafetyProver-ErrorLocationReachable () [0x000c5] in <597f493e96b5f0a0a74503833e497f59>:0 at Microsoft.Research.T2.Termination.prover (Microsoft.Research.T2.Parameters/parameters,Microsoft.Research.T2.Programs/Program,Microsoft.Research.T2.CTL/CTL_Formula,bool,Microsoft.Research.T2.Utils/SetDictionary`2>,Microsoft.FSharp.Core.FSharpOption`1>,bool,bool,bool) [0x0037a] in <597f493e96b5f0a0a74503833e497f59>:0 at Microsoft.Research.T2.Termination.bottomUp (Microsoft.Research.T2.Parameters/parameters,Microsoft.Research.T2.Programs/Program,Microsoft.Research.T2.CTL/CTL_Formula,bool,int,Microsoft.FSharp.Core.FSharpOption`1>,Microsoft.Research.T2.Utils/SetDictionary`2>) [0x0029e] in <597f493e96b5f0a0a74503833e497f59>:0 at Microsoft.Research.T2.Termination.bottomUpProver (Microsoft.Research.T2.Parameters/parameters,Microsoft.Research.T2.Programs/Program,Microsoft.Research.T2.CTL/CTL_Formula,bool,Microsoft.FSharp.Core.FSharpOption`1>) [0x000c2] in <597f493e96b5f0a0a74503833e497f59>:0 at Microsoft.Research.T2.Main.main$cont@113-1 (Microsoft.Research.T2.Arguments/runMode,Microsoft.Research.T2.Parameters/parameters,string,Microsoft.Research.T2.Programs/Program,Microsoft.FSharp.Core.Unit) [0x00071] in <597f4945c11a1123a745038345497f59>:0 at Microsoft.Research.T2.Main.main (string[]) [0x00261] in <597f4945c11a1123a745038345497f59>:0 at (wrapper runtime-invoke) .runtime_invoke_int_object (object,intptr,intptr,intptr) [0x00054] in <597f4945c11a1123a745038345497f59>:0 /proc/self/maps: 00400000-00aec000 r-xp 00000000 fd:02 56371483 /export/starexec/sandbox2/solver/bin/T2_static 00ceb000-00cf0000 r-xp 006eb000 fd:02 56371483 /export/starexec/sandbox2/solver/bin/T2_static 00cf0000-00cf3000 rwxp 006f0000 fd:02 56371483 /export/starexec/sandbox2/solver/bin/T2_static 00cf3000-00d27000 rwxp 00000000 00:00 0 02297000-07f55000 rwxp 00000000 00:00 0 [heap] 405d7000-4073a000 rwxp 00000000 00:00 0 408a9000-408b9000 rwxp 00000000 00:00 0 2b7126c6e000-2b7126c90000 r-xp 00000000 fd:01 268765 /usr/lib64/ld-2.17.so 2b7126c90000-2b7126c91000 rwxp 00000000 00:00 0 2b7126c91000-2b7126c92000 rwxs 00000000 00:13 225860144 /dev/shm/mono.48212 2b7126c92000-2b7126cb5000 rwxp 00000000 00:00 0 2b7126cb5000-2b7126cbb000 rwxp 00000000 00:00 0 2b7126cbb000-2b7126d1a000 ---p 00000000 00:00 0 2b7126d1a000-2b7126d1c000 rwxp 00000000 00:00 0 2b7126d1c000-2b7126d9c000 rwxp 00000000 00:00 0 2b7126d9c000-2b7126db3000 r-xp 00000000 fd:02 56371487 /export/starexec/sandbox2/solver/lib/System.Numerics.dll 2b7126db3000-2b7126e05000 r-xp 00000000 fd:01 277178 /usr/lib/mono/gac/Mono.Security/4.0.0.0__0738eb9f132ed756/Mono.Security.dll 2b7126e05000-2b7126e6c000 rwxp 00000000 00:00 0 2b7126e6e000-2b7126e6f000 ---p 00000000 00:00 0 2b7126e6f000-2b7126e76000 rwxp 00000000 00:00 0 2b7126e77000-2b7126e78000 rwxp 00000000 00:00 0 2b7126e7e000-2b7126e7f000 rwxp 00000000 00:00 0 2b7126e80000-2b7126e81000 rwxp 00000000 00:00 0 2b7126e82000-2b7126e84000 rwxp 00000000 00:00 0 2b7126e85000-2b7126e86000 rwxp 00000000 00:00 0 2b7126e8a000-2b7126e8d000 rwxp 00000000 00:00 0 2b7126e8f000-2b7126e90000 r-xp 00021000 fd:01 268765 /usr/lib64/ld-2.17.so 2b7126e90000-2b7126e91000 rwxp 00022000 fd:01 268765 /usr/lib64/ld-2.17.so 2b7126e91000-2b7126e92000 rwxp 00000000 00:00 0 2b7126e92000-2b7126f93000 r-xp 00000000 fd:01 276774 /usr/lib64/libm-2.17.so 2b7126f93000-2b7127192000 ---p 00101000 fd:01 276774 /usr/lib64/libm-2.17.so 2b7127192000-2b7127193000 r-xp 00100000 fd:01 276774 /usr/lib64/libm-2.17.so 2b7127193000-2b7127194000 rwxp 00101000 fd:01 276774 /usr/lib64/libm-2.17.so 2b7127194000-2b712719b000 r-xp 00000000 fd:01 276788 /usr/lib64/librt-2.17.so 2b712719b000-2b712739a000 ---p 00007000 fd:01 276788 /usr/lib64/librt-2.17.so 2b712739a000-2b712739b000 r-xp 00006000 fd:01 276788 /usr/lib64/librt-2.17.so 2b712739b000-2b712739c000 rwxp 00007000 fd:01 276788 /usr/lib64/librt-2.17.so 2b712739c000-2b712739e000 r-xp 00000000 fd:01 276772 /usr/lib64/libdl-2.17.so 2b712739e000-2b712759e000 ---p 00002000 fd:01 276772 /usr/lib64/libdl-2.17.so 2b712759e000-2b712759f000 r-xp 00002000 fd:01 276772 /usr/lib64/libdl-2.17.so 2b712759f000-2b71275a0000 rwxp 00003000 fd:01 276772 /usr/lib64/libdl-2.17.so 2b71275a0000-2b71275b7000 r-xp 00000000 fd:01 268802 /usr/lib64/libpthread-2.17.so 2b71275b7000-2b71277b6000 ---p 00017000 fd:01 268802 /usr/lib64/libpthread-2.17.so 2b71277b6000-2b71277b7000 r-xp 00016000 fd:01 268802 /usr/lib64/libpthread-2.17.so 2b71277b7000-2b71277b8000 rwxp 00017000 fd:01 268802 /usr/lib64/libpthread-2.17.so 2b71277b8000-2b71277bc000 rwxp 00000000 00:00 0 2b71277bc000-2b71277d1000 r-xp 00000000 fd:01 284967 /usr/lib64/libgcc_s-4.8.5-20150702.so.1 2b71277d1000-2b71279d0000 ---p 00015000 fd:01 284967 /usr/lib64/libgcc_s-4.8.5-20150702.so.1 2b71279d0000-2b71279d1000 r-xp 00014000 fd:01 284967 /usr/lib64/libgcc_s-4.8.5-20150702.so.1 2b71279d1000-2b71279d2000 rwxp 00015000 fd:01 284967 /usr/lib64/libgcc_s-4.8.5-20150702.so.1 2b71279d2000-2b7127b95000 r-xp 00000000 fd:01 268776 /usr/lib64/libc-2.17.so 2b7127b95000-2b7127d94000 ---p 001c3000 fd:01 268776 /usr/lib64/libc-2.17.so 2b7127d94000-2b7127d98000 r-xp 001c2000 fd:01 268776 /usr/lib64/libc-2.17.so 2b7127d98000-2b7127d9a000 rwxp 001c6000 fd:01 268776 /usr/lib64/libc-2.17.so 2b7127d9a000-2b7127d9f000 rwxp 00000000 00:00 0 2b7127d9f000-2b712e2c8000 r-xp 00000000 fd:01 550951 /usr/lib/locale/locale-archive 2b712e2c8000-2b712e3bf000 r-xp 00000000 fd:02 56371490 /export/starexec/sandbox2/solver/lib/System.Core.dll 2b712e3c0000-2b712e3c1000 rwxp 00000000 00:00 0 2b712e3c2000-2b712e3c3000 rwxp 00000000 00:00 0 2b712e3c4000-2b712e3e7000 rwxp 00000000 00:00 0 2b712e400000-2b712e800000 rwxp 00000000 00:00 0 2b712e800000-2b712e801000 ---p 00000000 00:00 0 2b712e801000-2b712fa01000 rwxp 00000000 00:00 0 2b712fa01000-2b712fdaa000 r-xp 00000000 fd:02 56371492 /export/starexec/sandbox2/solver/lib/mscorlib.dll 2b712fdab000-2b712fdb3000 ---p 00000000 00:00 0 2b712fdb3000-2b712fdb4000 ---p 00000000 00:00 0 2b712fdb4000-2b712fdb5000 rwxp 00000000 00:00 0 2b712fdb5000-2b712fdbd000 ---p 00000000 00:00 0 2b712fdbd000-2b712ffb4000 rwxp 00000000 00:00 0 2b7130000000-2b7130021000 rwxp 00000000 00:00 0 2b7130021000-2b7134000000 ---p 00000000 00:00 0 2b7134000000-2b7134100000 rwxp 00000000 00:00 0 2b7134100000-2b713438b000 r-xp 00000000 fd:02 56371489 /export/starexec/sandbox2/solver/lib/System.dll 2b713438b000-2b7135359000 r-xp 00000000 fd:02 56371488 /export/starexec/sandbox2/solver/lib/libz3.so 2b7135359000-2b7135559000 ---p 00fce000 fd:02 56371488 /export/starexec/sandbox2/solver/lib/libz3.so 2b7135559000-2b7135581000 r-xp 00fce000 fd:02 56371488 /export/starexec/sandbox2/solver/lib/libz3.so 2b7135581000-2b7135584000 rwxp 00ff6000 fd:02 56371488 /export/starexec/sandbox2/solver/lib/libz3.so 2b7135584000-2b7135586000 rwxp 00000000 00:00 0 2b7135586000-2b713566f000 r-xp 00000000 fd:01 268790 /usr/lib64/libstdc++.so.6.0.19 2b713566f000-2b713586e000 ---p 000e9000 fd:01 268790 /usr/lib64/libstdc++.so.6.0.19 2b713586e000-2b7135876000 r-xp 000e8000 fd:01 268790 /usr/lib64/libstdc++.so.6.0.19 2b7135876000-2b7135878000 rwxp 000f0000 fd:01 268790 /usr/lib64/libstdc++.so.6.0.19 2b7135878000-2b713588d000 rwxp 00000000 00:00 0 2b713588d000-2b71358b2000 r-xp 00000000 fd:01 279331 /usr/lib64/libgomp.so.1.0.0 2b71358b2000-2b7135ab1000 ---p 00025000 fd:01 279331 /usr/lib64/libgomp.so.1.0.0 2b7135ab1000-2b7135ab2000 r-xp 00024000 fd:01 279331 /usr/lib64/libgomp.so.1.0.0 2b7135ab2000-2b7135ab3000 rwxp 00025000 fd:01 279331 /usr/lib64/libgomp.so.1.0.0 2b7135ab4000-2b7135db4000 rwxp 00000000 00:00 0 2b7135dd8000-2b7135f8c000 rwxp 00000000 00:00 0 2b7135fcd000-2b713624e000 rwxp 00000000 00:00 0 2b7136250000-2b71365d1000 rwxp 00000000 00:00 0 7fff82932000-7fff82953000 rwxp 00000000 00:00 0 [stack] 7fff829d7000-7fff829d9000 r-xp 00000000 00:00 0 [vdso] ffffffffff600000-ffffffffff601000 r-xp 00000000 00:00 0 [vsyscall] Native stacktrace: ./T2_static() [0x6778ad] ./T2_static() [0x61d740] /export/starexec/sandbox2/solver/lib/libz3.so(+0x1f3644) [0x2b713457e644] [0x3650738] Debug info from gdb: [New LWP 48252] [New LWP 48214] [New LWP 48213] [Thread debugging using libthread_db enabled] Using host libthread_db library "/lib64/libthread_db.so.1". 0x00002b71275af229 in waitpid () from /lib64/libpthread.so.0 Id Target Id Frame 4 Thread 0x2b712ea00700 (LWP 48213) "SGen worker" 0x00002b71275ab945 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0 3 Thread 0x2b712ffb3700 (LWP 48214) "Finalizer" 0x00002b71275adaab in do_futex_wait.constprop.1 () from /lib64/libpthread.so.0 2 Thread 0x2b7126e74780 (LWP 48252) "T2_static" 0x00002b7127198df7 in timer_helper_thread () from /lib64/librt.so.1 * 1 Thread 0x2b7126cb8080 (LWP 48212) "T2_static" 0x00002b71275af229 in waitpid () from /lib64/libpthread.so.0 Thread 4 (Thread 0x2b712ea00700 (LWP 48213)): #0 0x00002b71275ab945 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0 #1 0x00000000005a5f73 in thread_func () #2 0x00002b71275a7dd5 in start_thread () from /lib64/libpthread.so.0 #3 0x00002b7127ad0b3d in clone () from /lib64/libc.so.6 Thread 3 (Thread 0x2b712ffb3700 (LWP 48214)): #0 0x00002b71275adaab in do_futex_wait.constprop.1 () from /lib64/libpthread.so.0 #1 0x00002b71275adb3f in __new_sem_wait_slow.constprop.0 () from /lib64/libpthread.so.0 #2 0x00002b71275adbdb in sem_wait@@GLIBC_2.2.5 () from /lib64/libpthread.so.0 #3 0x00000000004aaf0c in finalizer_thread () #4 0x000000000053d1dd in start_wrapper () #5 0x00000000005b9088 in inner_start_thread () #6 0x00002b71275a7dd5 in start_thread () from /lib64/libpthread.so.0 #7 0x00002b7127ad0b3d in clone () from /lib64/libc.so.6 Thread 2 (Thread 0x2b7126e74780 (LWP 48252)): #0 0x00002b7127198df7 in timer_helper_thread () from /lib64/librt.so.1 #1 0x00002b71275a7dd5 in start_thread () from /lib64/libpthread.so.0 #2 0x00002b7127ad0b3d in clone () from /lib64/libc.so.6 Thread 1 (Thread 0x2b7126cb8080 (LWP 48212)): #0 0x00002b71275af229 in waitpid () from /lib64/libpthread.so.0 #1 0x0000000000677957 in mono_handle_native_crash () #2 0x000000000061d740 in altstack_handle_and_restore () #3 0x00002b713457e644 in void std::__push_heap<__gnu_cxx::__normal_iterator*, std::vector, std::allocator > > >, long, ref, spacer::model_node_ref_gt>(__gnu_cxx::__normal_iterator*, std::vector, std::allocator > > >, long, long, ref, spacer::model_node_ref_gt) () from /export/starexec/sandbox2/solver/lib/libz3.so #4 0x0000000003650738 in ?? () #5 0x00000000037b59a8 in ?? () #6 0x0000000005d78828 in ?? () #7 0x0000000000000000 in ?? () ================================================================= Got a SIGSEGV while executing native code. This usually indicates a fatal error in the mono runtime or one of the native libraries used by your application. ================================================================= /export/starexec/sandbox2/solver/bin/starexec_run_default fixed: line 32: 48212 Aborted (core dumped) ${T2_BIN} -timeout "$STAREXEC_WALLCLOCK_TIME" $T2_ARGS -try_nonterm true -input_t2 "./theBenchmark.t2"