Hammersuite illegal instruction after some time with hammering

[nima-sayadi]

The problem is that no matter what functions we use, hammersuite always fails within approximately 2h.
Here is the GDB output. If you have any ideas what is the reason of this, we would appreciate your solution!

Program received signal SIGILL, Illegal instruction.
0x00005555555595d6 in n_sided_test (suite=0x555555573700) at src/hammer-suite.c:782
782             free(h_patt.d_lst);