while (const auto* var = get_constraint()->get_variable(&elem)) {
Action* action = var->get_id();
if (action->get_state() == Action::State::INITED || action->get_state() == Action::State::STARTED) {
while (const auto* var = get_constraint()->get_variable(&elem)) {
Action* action = var->get_id();
if (action->get_state() == Action::State::INITED || action->get_state() == Action::State::STARTED) {