.
Thread 1 (process 16107):
#0  0x00002b9444a2d630 in strlen () from /lib/libc.so.6
#1  0x00002b94449fd7b7 in vfprintf () from /lib/libc.so.6
#2  0x000000000040363e in ?? ()
#3  0x000000000040369a in ?? ()
#4  0x000000000040380c in ?? ()
#5  0x0000000000401b52 in ?? ()
#6  0x00002b94449d48e4 in __libc_start_main () from /lib/libc.so.6
#7  0x0000000000401609 in ?? ()
#8  0x00007fff6630c928 in ?? ()
#9  0x0000000000000000 in ?? ()