SIGSEGV signal (forbidden memory area access) intercepted!

Call stack:
   1: 0x2b681d5ee0f8 <fvm_selector_create+0xbc8>      (libsaturne.so.0)
   2: 0x2b681d6e80d7 <cs_mesh_init_selectors+0xb7>    (libsaturne.so.0)
   3: 0x2b681d4a6c05 <cs_preprocess_mesh+0x465>       (libsaturne.so.0)
   4: 0x2b681d418c47 <cs_run+0x127>                   (libsaturne.so.0)
   5: 0x2b681d418a01 <main+0x111>                     (libsaturne.so.0)
   6: 0x2b68204fdb35 <__libc_start_main+0xf5>         (libc.so.6)
   7: 0x401439     <>                               (cs_solver)
End of stack

