#0  0x401db1f0 in __GI_raise (sig=sig@entry=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:67
#1  0x401dc60c in __GI_abort () at abort.c:92
#2  0x40212778 in __libc_message (do_abort=2, fmt=0x402bf580 "*** glibc detected *** %s: %s: 0x%s ***\n")
    at ../sysdeps/unix/sysv/linux/libc_fatal.c:186
#3  0x40218dbc in malloc_printerr (action=3, str=0x402bf780 "double free or corruption (!prev)", ptr=<optimized out>) at malloc.c:6283
#4  0x4021d804 in __GI___libc_free (mem=<optimized out>) at malloc.c:3738
#5  0x402e42a0 in libgt2d::On_Start (file=0x99d4d8) at gt2d_init.cpp:39