#0  0x00007f03949213a5 in raise () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#1  0x00007f0394924b0b in abort () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#2  0x00000000004912b1 in ?? ()
No symbol table info available.
#3  <signal handler called>
No symbol table info available.
#4  0x00007f03949213a5 in raise () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#5  0x00007f0394924b0b in abort () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#6  0x00000000005c97df in ?? ()
No symbol table info available.
#7  0x00000000005c9862 in ?? ()
No symbol table info available.
#8  0x0000000000492e20 in ?? ()
No symbol table info available.
#9  0x00000000004935b4 in ?? ()
No symbol table info available.
#10 0x0000000040a9dbba in ?? ()
No symbol table info available.
#11 0x00007f037f049880 in ?? ()
No symbol table info available.
#12 0x0000000000000000 in ?? ()
No symbol table info available.