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Thread 1 (Thread 0x7f685d235740 (LWP 2953)):
#0  0x000000000041c338 in ?? ()
No symbol table info available.
#1  0x000000000041550d in ?? ()
No symbol table info available.
#2  0x000000000041ac5c in ?? ()
No symbol table info available.
#3  0x000000000040fc15 in ?? ()
No symbol table info available.
#4  0x0000000000404bf5 in ?? ()
No symbol table info available.
#5  0x00007f685c30530d in __libc_start_main (main=0x403c40, argc=5, ubp_av=0x7fffe0366878, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fffe0366868) at libc-start.c:226
        result = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, 1453647604677938381, 4218520, 140736955050096, 0, 0, -1453637214353421107, -1514092744132457267}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x41cd80, 0x7fffe0366878}, data = {prev = 0x0, cleanup = 0x0, canceltype = 4312448}}}
        not_first_call = <optimized out>
#6  0x0000000000405ec1 in ?? ()
No symbol table info available.
#7  0x00007fffe0366868 in ?? ()
No symbol table info available.
#8  0x000000000000001c in ?? ()
No symbol table info available.
#9  0x0000000000000005 in ?? ()
No symbol table info available.
#10 0x00007fffe03684ae in ?? ()
No symbol table info available.
#11 0x00007fffe03684b6 in ?? ()
No symbol table info available.
#12 0x00007fffe03684ba in ?? ()
No symbol table info available.
#13 0x00007fffe03684bd in ?? ()
No symbol table info available.
#14 0x00007fffe03684c4 in ?? ()
No symbol table info available.
#15 0x0000000000000000 in ?? ()
No symbol table info available.