#0  0x00007f0ab65b0d27 in __GI_raise (sig=sig@entry=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:56
  [Error: ../nptl/sysdeps/unix/sysv/linux/raise.c was not found in source tree]
#1  0x00007f0ab65b2418 in __GI_abort () at abort.c:89
  [Error: abort.c was not found in source tree]
#2  0x00007f0ab65f29f4 in __libc_message (do_abort=do_abort@entry=1, fmt=fmt@entry=0x7f0ab66fba40 "*** Error in `%s': %s: 0x%s ***\n") at ../sysdeps/posix/libc_fatal.c:175
  [Error: ../sysdeps/posix/libc_fatal.c was not found in source tree]
#3  0x00007f0ab65fa006 in malloc_printerr (ptr=<optimized out>, str=0x7f0ab66fbc08 "double free or corruption (fasttop)", action=1) at malloc.c:4996
  [Error: malloc.c was not found in source tree]
#4  _int_free (av=<optimized out>, p=<optimized out>, have_lock=0) at malloc.c:3840
  [Error: malloc.c was not found in source tree]
#5  0x00007f0ab74494d8 in ?? ()
#6  0x0000000002280090 in ?? ()
#7  0x0000000000000000 in ?? ()