#0  0x00007f9994fbabef in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#1  0x00007f9994fbc472 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#2  0x00007f9994fbf31e in malloc () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#3  0x00007f9994fec351 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#4  0x0000000000413e70 in ?? ()
No symbol table info available.
#5  0x0000000000415ed4 in ?? ()
No symbol table info available.
#6  0x0000000000407c12 in ?? ()
No symbol table info available.
#7  0x0000000000407a32 in ?? ()
No symbol table info available.
#8  0x0000000000404737 in ?? ()
No symbol table info available.
#9  0x0000000000403f61 in ?? ()
No symbol table info available.
#10 0x00007f9994f61e1f in __libc_start_main () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#11 0x0000000000402cb9 in ?? ()
No symbol table info available.
#12 0x00007fff803a4aa8 in ?? ()
No symbol table info available.
#13 0x000000000000001c in ?? ()
No symbol table info available.
#14 0x0000000000000007 in ?? ()
No symbol table info available.
#15 0x00007fff803a5a62 in ?? ()
No symbol table info available.
#16 0x00007fff803a5a71 in ?? ()
No symbol table info available.
#17 0x00007fff803a5a74 in ?? ()
No symbol table info available.
#18 0x00007fff803a5aaf in ?? ()
No symbol table info available.
#19 0x00007fff803a5ab6 in ?? ()
No symbol table info available.
#20 0x00007fff803a5abd in ?? ()
No symbol table info available.
#21 0x00007fff803a5ac7 in ?? ()
No symbol table info available.
#22 0x0000000000000000 in ?? ()
No symbol table info available.