#0  __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:51
        set = {__val = {0, 4, 140727915201568, 140727915201440, 140536305923280, 140536305930141, 0, 136, 2, 140536302872132, 128, 13892995621235810304, 94309702472320, 94309701923024, 64, 13892995621235810304}}
        pid = <optimized out>
        tid = <optimized out>
#1  0x00007fd128092f5d in __GI_abort () at abort.c:90
        save_stage = 2
        act = {__sigaction_handler = {sa_handler = 0x7ffdc5654420, sa_sigaction = 0x7ffdc5654420}, sa_mask = {__val = {94309702312976, 140727915201664, 140727915201936, 94309702313904, 140536306096208, 140727915201936, 140727915201664, 140727915202064, 140536306042109, 0, 0, 0, 0, 0, 140727915201664, 140727915202272}}, sa_flags = 4096, sa_restorer = 0x14}
        sigs = {__val = {32, 0 <repeats 15 times>}}
#2  0x00007fd1280db28d in __libc_message (action=action@entry=do_abort, fmt=fmt@entry=0x7fd1282024e8 "*** Error in `%s': %s: 0x%s ***\n") at ../sysdeps/posix/libc_fatal.c:181
        ap = {{gp_offset = 40, fp_offset = 21958, overflow_arg_area = 0x7ffdc56546f0, reg_save_area = 0x7ffdc5654680}}
        fd = <optimized out>
        list = <optimized out>
        nlist = <optimized out>
        cp = <optimized out>
        written = <optimized out>
#3  0x00007fd1280e264a in malloc_printerr (action=<optimized out>, str=0x7fd128202900 "double free or corruption (fasttop)", ptr=<optimized out>, ar_ptr=<optimized out>) at malloc.c:5425
        buf = "000055c6304823b0"
        cp = <optimized out>
        ar_ptr = <optimized out>
        ptr = <optimized out>
        str = 0x7fd128202900 "double free or corruption (fasttop)"
        action = <optimized out>
#4  0x00007fd1280e473e in _int_free (av=0x7fd128434c20 <main_arena>, p=<optimized out>, have_lock=0) at malloc.c:4174
        size = <optimized out>
        fb = <optimized out>
        nextchunk = <optimized out>
        nextsize = <optimized out>
        nextinuse = <optimized out>
        prevsize = <optimized out>
        bck = <optimized out>
        fwd = <optimized out>
        errstr = <optimized out>
        locked = <optimized out>
#5  0x00007fd1280e93fe in __GI___libc_free (mem=<optimized out>) at malloc.c:3144
        ar_ptr = <optimized out>
        p = <optimized out>
        hook = <optimized out>
#6  0x000055c62f65f810 in ?? ()
No symbol table info available.
#7  0x00007fd122717e18 in ffi_call_unix64 () from /usr/lib/x86_64-linux-gnu/libffi.so.6
No symbol table info available.
#8  0x00007fd12271787a in ffi_call () from /usr/lib/x86_64-linux-gnu/libffi.so.6
No symbol table info available.
#9  0x00007fd12897d799 in g_cclosure_marshal_generic () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#10 0x00007fd12897cf9d in g_closure_invoke () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#11 0x00007fd12898fcde in ?? () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#12 0x00007fd128997a20 in g_signal_emitv () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#13 0x000055c62f65d3e9 in ?? ()
No symbol table info available.
#14 0x00007fd128c960d7 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
No symbol table info available.
#15 0x00007fd128c7e3cc in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
No symbol table info available.
#16 0x00007fd1286a3e25 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#17 0x00007fd1286a41f0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#18 0x00007fd1286a4502 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#19 0x00007fd12a16c695 in gtk_main () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
No symbol table info available.
#20 0x000055c62f65b639 in ?? ()
No symbol table info available.
#21 0x00007fd12807b1c1 in __libc_start_main (main=0x55c62f65b550, argc=1, argv=0x7ffdc5655328, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffdc5655318) at ../csu/libc-start.c:308
        result = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, -679289303020416335, 94309687080688, 140727915205408, 0, 0, -6708821944495582543, -6720317077549428047}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x7ffdc5655338, 0x7fd12aea0150}, data = {prev = 0x0, cleanup = 0x0, canceltype = -983215304}}}
        not_first_call = <optimized out>
#22 0x000055c62f65b71a in ?? ()
No symbol table info available.