AbstractPetriNetElementModel tStar = addTStar();
HashSet<AbstractPetriNetElementModel> transitionsWithTStar = new HashSet<AbstractPetriNetElementModel>(m_transitions);
transitionsWithTStar.add(tStar);
// Detect all PT handles in the short-circuited net
LowLevelNet myNet = CreateFlowNet(m_places, transitionsWithTStar);
Set<Set<ClusterElement>> handleRun = getHandlePairs("PT", myNet, m_places, transitionsWithTStar, false);
for (Iterator<Set<ClusterElement>> i = handleRun.iterator(); i.hasNext();) {
Set<ClusterElement> currentSource = i.next();
Set<AbstractPetriNetElementModel> current = new TreeSet<AbstractPetriNetElementModel>(new PTHandleComparer());