process_list_pattern->list = simgrid::xbt::newDeleteDynar<s_mc_comm_pattern_t>();
process_list_pattern->index_comm = 0;
xbt_dynar_insert_at(initial_communications_pattern, i, &process_list_pattern);
process_list_pattern->list = simgrid::xbt::newDeleteDynar<s_mc_comm_pattern_t>();
process_list_pattern->index_comm = 0;
xbt_dynar_insert_at(initial_communications_pattern, i, &process_list_pattern);