SIGSEGV signal (forbidden memory area access) intercepted!

Call stack:
   1: 0x2b0f53ec411c <fvm_selector_create+0xbec>      (libsaturne.so.0)
   2: 0x2b0f53fbe06a <cs_mesh_init_selectors+0x4a>    (libsaturne.so.0)
   3: 0x2b0f53d7cc05 <cs_preprocess_mesh+0x465>       (libsaturne.so.0)
   4: 0x2b0f53ceec47 <cs_run+0x127>                   (libsaturne.so.0)
   5: 0x2b0f53ceea01 <main+0x111>                     (libsaturne.so.0)
   6: 0x2b0f56dd3b35 <__libc_start_main+0xf5>         (libc.so.6)
   7: 0x401439     <>                               (cs_solver)
End of stack

