State initialState = controller.getInitialState();
Actor[] actors = initialState.getRefinement();
if (actors == null) { // no refinement for the initial state
// We assume all transitions from the initial state are
// nonpreemptive transitions.
Iterator transitions = initialState.nonpreemptiveTransitionList()
.iterator();
initializeCode.append(_generateInitialTransitionCode(transitions));
} else {
initializeCode.append(super.generateInitializeCode());
_updateConfigurationNumber(initializeCode, initialState);