Program received signal SIGSEGV, Segmentation fault.
0x00007fffcbbae666 in ?? ()
(gdb) bt
#0  0x00007fffcbbae666 in ?? ()
#1  0x4301000043010000 in ?? ()
#2  0x4301000043010000 in ?? ()
#3  0x4038aa3b4038aa3b in ?? ()
#4  0x4038aa3b4038aa3b in ?? ()
#5  0x3ed03d593ed03d59 in ?? ()
#6  0x3ed03d593ed03d59 in ?? ()
#7  0x3f13d3213f13d321 in ?? ()
#8  0x3f13d3213f13d321 in ?? ()
#9  0x3ece83163ece8316 in ?? ()
#10 0x3ece83163ece8316 in ?? ()
#11 0x3f7637f93f7637f9 in ?? ()
#12 0x3f7637f93f7637f9 in ?? ()
#13 0xffffff81ffffff81 in ?? ()
#14 0xffffff81ffffff81 in ?? ()
#15 0xbf800000bf800000 in ?? ()
#16 0xbf800000bf800000 in ?? ()
#17 0x7f8000007f800000 in ?? ()
#18 0x7f8000007f800000 in ?? ()
#19 0x007fffff007fffff in ?? ()
#20 0x007fffff007fffff in ?? ()
#21 0xffff4000ffff4000 in ?? ()
#22 0xffff4000ffff4000 in ?? ()
#23 0x0000002000000020 in ?? ()
#24 0x0000002000000020 in ?? ()
#25 0x7fffffff7fffffff in ?? ()
#26 0x7fffffff7fffffff in ?? ()
#27 0x0000001000000010 in ?? ()
#28 0x0000001000000010 in ?? ()
#29 0x0000000800000008 in ?? ()
#30 0x0000000800000008 in ?? ()
#31 0x0000000400000004 in ?? ()
#32 0x0000000400000004 in ?? ()
#33 0x0000000200000002 in ?? ()
#34 0x0000000200000002 in ?? ()
#35 0x0000000100000001 in ?? ()
#36 0x0000000100000001 in ?? ()
#37 0x0000300300000274 in ?? ()
#38 0x0000300100003002 in ?? ()
#39 0x00000000c3930000 in ?? ()
#40 0x0000000000000000 in ?? ()
(gdb)