XBT_INFO("Expanded states = %lu", stats->expanded_states);
XBT_INFO("Visited states = %lu", stats->visited_states);
XBT_INFO("Executed transitions = %lu", stats->executed_transitions);
XBT_INFO("Expanded states = %lu", stats->expanded_states);
XBT_INFO("Visited states = %lu", stats->visited_states);
XBT_INFO("Executed transitions = %lu", stats->executed_transitions);