.
Thread 1 (Thread 0x7f7450933840 (LWP 201)):
#0  0x0000558a2237e050 in ?? ()
No symbol table info available.
#1  0x0000558a223a0b13 in ?? ()
No symbol table info available.
#2  0x0000558a2237ad0b in ?? ()
No symbol table info available.
#3  0x00007f744f63fa00 in __libc_start_main (main=0x558a2237a540, argc=1, argv=0x7ffdc8bee4a8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffdc8bee498) at libc-start.c:289
        result = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, -7366870231802550672, 94051767924896, 140727971407008, 0, 0, -3662469355647375760, -3729186938810112400}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x7ffdc8bee4b8, 0x7f7450961188}, data = {prev = 0x0, cleanup = 0x0, canceltype = -927013704}}}
        not_first_call = <optimized out>
#4  0x0000558a2237b8c9 in ?? ()
No symbol table info available.