.
Thread 1 (process 9414):
#0  0x00007f7aed3ab225 in free () from /lib/libc.so.6
#1  0x0000000000440de4 in ?? ()
#2  0x0000000000426140 in ?? ()
#3  0x0000000000426626 in ?? ()
#4  0x00000000004228b9 in ?? ()
#5  0x0000000000426f66 in ?? ()
#6  0x00007f7aed34f5a6 in __libc_start_main () from /lib/libc.so.6
#7  0x0000000000402b89 in ?? ()
#8  0x00007ffff58c3218 in ?? ()
#9  0x000000000000001c in ?? ()
#10 0x0000000000000002 in ?? ()
#11 0x00007ffff58c3bb9 in ?? ()
#12 0x00007ffff58c3bc9 in ?? ()
#13 0x0000000000000000 in ?? ()