#0  0x0000000000405db6 in ?? ()
No symbol table info available.
#1  0x000000000040bcee in ?? ()
No symbol table info available.
#2  0x0000000000403124 in ?? ()
No symbol table info available.
#3  0x0000000000402f6c in ?? ()
No symbol table info available.
#4  0x0000000000402b0f in ?? ()
No symbol table info available.
#5  0x00007f9dbd511d8e in __libc_start_main (main=<value optimized out>, 
    argc=<value optimized out>, ubp_av=<value optimized out>, 
    init=<value optimized out>, fini=<value optimized out>, 
    rtld_fini=<value optimized out>, stack_end=0x7fffd417f8c8)
    at libc-start.c:226
	result = <value optimized out>
	unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, -8794496921923420265, 
        4202352, 140736751728848, 0, 0, 8794408067857710999, 
        8847551296852393879}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 
      0x40c6b0, 0x7fffd417f8d8}, data = {prev = 0x0, cleanup = 0x0, 
      canceltype = 4245168}}}
	not_first_call = <value optimized out>
#6  0x0000000000401f99 in ?? ()
No symbol table info available.
#7  0x00007fffd417f8c8 in ?? ()
No symbol table info available.
#8  0x000000000000001c in ?? ()
No symbol table info available.
#9  0x0000000000000007 in ?? ()
No symbol table info available.
#10 0x00007fffd4180eba in ?? ()
No symbol table info available.
#11 0x00007fffd4180edd in ?? ()
No symbol table info available.
#12 0x00007fffd4180eec in ?? ()
No symbol table info available.
#13 0x00007fffd4180ef7 in ?? ()
No symbol table info available.
#14 0x00007fffd4180ef9 in ?? ()
No symbol table info available.
#15 0x00007fffd4180f05 in ?? ()
No symbol table info available.
#16 0x00007fffd4180ec9 in ?? ()
No symbol table info available.
#17 0x0000000000000000 in ?? ()
No symbol table info available.