StartInstantAction sia = (StartInstantAction) a;
List l = TemporalConstraint.getBounds(sia, sia.getSibling(), sia.parent.getMaxDuration(state), sia.parent.getMinDuration(state));
stn.addConstraints(new HashSet(l));
}
states.put(a, state);
state = (TemporalMetricState) state.apply(a);
}
stn.consistent();