.
Thread 1 (process 3474):
#0  0x000000000040735b in ?? ()
#1  0x000000000040cdee in ?? ()
#2  0x00000000004055c9 in ?? ()
#3  0x0000000000402bdd in ?? ()
#4  0x0000000000403630 in ?? ()
#5  0x00007f9b168b7466 in __libc_start_main () from /lib/libc.so.6
#6  0x00000000004027e9 in ?? ()
#7  0x00007fff1fd5f9d8 in ?? ()
#8  0x000000000000001c in ?? ()
#9  0x0000000000000004 in ?? ()
#10 0x00007fff1fd5fe22 in ?? ()
#11 0x00007fff1fd5fe2c in ?? ()
#12 0x00007fff1fd5fe2f in ?? ()
#13 0x00007fff1fd5fe32 in ?? ()
#14 0x0000000000000000 in ?? ()