.
Thread 1 (Thread 1420):
#0  0x0000000000401ed5 in ?? ()
#1  <signal handler called>
#2  0x00007f8dbebec9c0 in __pause_nocancel () from /lib/libpthread.so.0
#3  0x0000000000402381 in ?? ()
#4  0x00007f8dbe88dacd in __libc_start_main () from /lib/libc.so.6
#5  0x00000000004014a9 in ?? ()
#6  0x00007fff64f2cf48 in ?? ()
#7  0x000000000000001c in ?? ()
#8  0x0000000000000003 in ?? ()
#9  0x00007fff64f2df2a in ?? ()
#10 0x00007fff64f2df3b in ?? ()
#11 0x00007fff64f2df3e in ?? ()
#12 0x0000000000000000 in ?? ()