gdb bt

(gdb) bt
#0  0x00007ffff75563a5 in __GI_raise (sig=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:64
#1  0x00007ffff7559b0b in __GI_abort () at abort.c:92
#2  0x00007ffff7597dcd in __malloc_assert (assertion=<optimized out>, file=<optimized out>, line=<optimized out>, function=<optimized out>)
    at malloc.c:351
#3  0x00007ffff759af11 in sYSMALLOc (av=0x7ffff78ba1c0, nb=32) at malloc.c:3093
#4  _int_malloc (av=0x7ffff78ba1c0, bytes=16) at malloc.c:4747
#5  0x00007ffff759c77d in __GI___libc_malloc (bytes=16) at malloc.c:3660
#6  0x00007ffff7b8f4cd in operator new(unsigned long) () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6
#7  0x0000000000400aad in main ()