#0  0x00007f1931f0d36c in gdk_display_open () from /usr/lib/x86_64-linux-gnu/libgdk-x11-2.0.so.0
No symbol table info available.
#1  0x00007f1931edcfa2 in gdk_display_open_default_libgtk_only () from /usr/lib/x86_64-linux-gnu/libgdk-x11-2.0.so.0
No symbol table info available.
#2  0x00007f19322a63d5 in gtk_init () from /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
No symbol table info available.
#3  0x00007f19400ae4f5 in ?? () from /usr/lib/x86_64-linux-gnu/qt5/plugins/styles/libqgtk2style.so
No symbol table info available.
#4  0x00007f19400afbcd in ?? () from /usr/lib/x86_64-linux-gnu/qt5/plugins/styles/libqgtk2style.so
No symbol table info available.
#5  0x00007f196992103b in QStyleFactory::create(QString const&) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
No symbol table info available.
#6  0x0000558c39e18b76 in ?? ()
No symbol table info available.
#7  0x0000558c39e20cb4 in ?? ()
No symbol table info available.
#8  0x0000558c39a709c1 in ?? ()
No symbol table info available.
#9  0x00007f1967b9f3f1 in __libc_start_main (main=0x558c39a6f7e0, argc=1, argv=0x7ffca6f53f28, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffca6f53f18) at ../csu/libc-start.c:291
        result = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, 6055965594881246138, 94060751032496, 140723109576480, 0, 0, 65903334420267962, 81522337741030330}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x7ffca6f53f38, 0x7f196fb8d168}, data = {prev = 0x0, cleanup = 0x0, canceltype = -1493876936}}}
        not_first_call = <optimized out>
#10 0x0000558c39a710da in _start ()
No symbol table info available.