.
Thread 1 (process 13893):
#0  0x0000000000421986 in ?? ()
#1  0x000000000042dd73 in ?? ()
#2  0x000000000042e2a4 in ?? ()
#3  0x000000000043102e in ?? ()
#4  0x00002b2d048b48e4 in __libc_start_main () from /lib/libc.so.6
#5  0x0000000000405929 in ?? ()
#6  0x00007fffa6e2d868 in ?? ()
#7  0x0000000000000000 in ?? ()