#0  0x00007f1f86bd8475 in raise () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#1  0x00007f1f86bdbbdb in abort () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#2  0x00007f1f86bd110e in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#3  0x00007f1f86bd11b2 in __assert_fail () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#4  0x000000000040a5a4 in ?? ()
No symbol table info available.
#5  0x000000000040a9e9 in ?? ()
No symbol table info available.
#6  0x00000000004012de in ?? ()
No symbol table info available.
#7  0x00007f1f86bc376d in __libc_start_main () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#8  0x0000000000401695 in ?? ()
No symbol table info available.
#9  0x00007fff6714ca28 in ?? ()
No symbol table info available.
#10 0x000000000000001c in ?? ()
No symbol table info available.
#11 0x0000000000000002 in ?? ()
No symbol table info available.
#12 0x00007fff6714d87d in ?? ()
No symbol table info available.
#13 0x00007fff6714d885 in ?? ()
No symbol table info available.
#14 0x0000000000000000 in ?? ()
No symbol table info available.