Reading symbols from xavato...done.
[New LWP 19797]
[New LWP 19832]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
Core was generated by `./xavato'.
Program terminated with signal SIGSEGV, Segmentation fault.
#0  __GI___libc_free (mem=0x1) at malloc.c:2966
2966    malloc.c: No such file or directory.
[Current thread is 1 (Thread 0x7f188c52d540 (LWP 19797))]
(gdb) bt full
#0  __GI___libc_free (mem=0x1) at malloc.c:2966
        ar_ptr = <optimized out>
        p = <optimized out>
        hook = 0x0
#1  0x00007f1888f17940 in __run_exit_handlers (status=0, listp=0x7f188927b5d8 <__exit_funcs>, run_list_atexit=run_list_atexit@entry=true,
    run_dtors=run_dtors@entry=true) at exit.c:83
        atfct = <optimized out>
        onfct = <optimized out>
        cxafct = <optimized out>
        f = <optimized out>
#2  0x00007f1888f1799a in __GI_exit (status=<optimized out>) at exit.c:105
No locals.
#3  0x00007f1888f022e8 in __libc_start_main (main=0x5645316c0fe0 <main(int, char**)>, argc=1, argv=0x7fff551ec598, init=<optimized out>, fini=<optimized out>,
    rtld_fini=<optimized out>, stack_end=0x7fff551ec588) at ../csu/libc-start.c:325
        result = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, 8909634018568125588, 94855181925088, 140734621468048, 0, 0, 2941318731361238164, 2962825467558575252},
              mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x7fff551ec5a8, 0x7f188c544170}, data = {prev = 0x0, cleanup = 0x0, canceltype = 1428080040}}}
        not_first_call = <optimized out>
#4  0x00005645316c7b0a in _start ()
No symbol table info available.
(gdb) thread apply all bt full

Thread 2 (Thread 0x7f186fded700 (LWP 19832)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:225
No locals.
#1  0x00007f188a1072f0 in boost::this_thread::hidden::sleep_until(timespec const&) () from /usr/lib/x86_64-linux-gnu/libboost_thread.so.1.62.0
No symbol table info available.
#2  0x00005645317677a0 in boost::this_thread::sleep (abs_time=...) at /usr/include/boost/thread/pthread/thread_data.hpp:278
No locals.
#3  boost::this_thread::sleep<boost::posix_time::seconds> (rel_time=...) at /usr/include/boost/thread/pthread/thread_data.hpp:284
No locals.
#4  0x00005645317609aa in Game::autoSave (this=0x564531bbeb60 <g_game>) at game.cpp:464
No locals.
#5  0x00007f188a105116 in ?? () from /usr/lib/x86_64-linux-gnu/libboost_thread.so.1.62.0
No symbol table info available.
#6  0x00007f188c109494 in start_thread (arg=0x7f186fded700) at pthread_create.c:333
        __res = <optimized out>
        pd = 0x7f186fded700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139742932817664, -2941127698556306284, 0, 140734621466959, 0, 139743410270272, 2963329305221610644,
                2962836192686980244}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#7  0x00007f1888fcaacf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97
No locals.

Thread 1 (Thread 0x7f188c52d540 (LWP 19797)):
#0  __GI___libc_free (mem=0x1) at malloc.c:2966
        ar_ptr = <optimized out>
        p = <optimized out>
        hook = 0x0
#1  0x00007f1888f17940 in __run_exit_handlers (status=0, listp=0x7f188927b5d8 <__exit_funcs>, run_list_atexit=run_list_atexit@entry=true,
    run_dtors=run_dtors@entry=true) at exit.c:83
        atfct = <optimized out>
        onfct = <optimized out>
        cxafct = <optimized out>
        f = <optimized out>
#2  0x00007f1888f1799a in __GI_exit (status=<optimized out>) at exit.c:105
No locals.
#3  0x00007f1888f022e8 in __libc_start_main (main=0x5645316c0fe0 <main(int, char**)>, argc=1, argv=0x7fff551ec598, init=<optimized out>, fini=<optimized out>,
    rtld_fini=<optimized out>, stack_end=0x7fff551ec588) at ../csu/libc-start.c:325
---Type <return> to continue, or q <return> to quit---
        result = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, 8909634018568125588, 94855181925088, 140734621468048, 0, 0, 2941318731361238164, 2962825467558575252},
              mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x7fff551ec5a8, 0x7f188c544170}, data = {prev = 0x0, cleanup = 0x0, canceltype = 1428080040}}}
        not_first_call = <optimized out>
#4  0x00005645316c7b0a in _start ()
No symbol table info available.