. Thread 1 (process 4963): #0 0x000000000040c440 in ?? () #1 0x000000000040c5e8 in ?? () #2 0x0000000000410bd9 in ?? () #3 0x0000000000404812 in ?? () #4 0x000000000040e08d in ?? () #5 0x00007fb014b3b5a6 in __libc_start_main () from /lib/libc.so.6 #6 0x0000000000403f99 in ?? () #7 0x00007fff1d2cadc8 in ?? () #8 0x000000000000001c in ?? () #9 0x0000000000000006 in ?? () #10 0x00007fff1d2cbd04 in ?? () #11 0x00007fff1d2cbd12 in ?? () #12 0x00007fff1d2cbd1e in ?? () #13 0x00007fff1d2cbd21 in ?? () #14 0x00007fff1d2cbd2a in ?? () #15 0x00007fff1d2cbd3d in ?? () #16 0x0000000000000000 in ?? ()