@Override
public AbstractState getVariableReducedState(
AbstractState pExpandedState, Block pContext, CFANode pLocation) {
PredicateAbstractState predicateElement = (PredicateAbstractState) pExpandedState;
if (!predicateElement.isAbstractionState()) {
return predicateElement;
}
AbstractionFormula oldAbstraction = predicateElement.getAbstractionFormula();
Region oldRegion = oldAbstraction.asRegion();
Collection<AbstractionPredicate> predicates = pamgr.extractPredicates(oldRegion);
Collection<AbstractionPredicate> removePredicates =
cpa.getRelevantPredicatesComputer().getIrrelevantPredicates(pContext, predicates);
PathFormula pathFormula = predicateElement.getPathFormula();
assert bfmgr.isTrue(pathFormula.getFormula());
AbstractionFormula newAbstraction =
pamgr.reduce(oldAbstraction, removePredicates, pathFormula.getSsa());
PersistentMap<CFANode, Integer> abstractionLocations =
predicateElement.getAbstractionLocationsOnPath().empty();
return PredicateAbstractState.mkAbstractionState(
pathFormula, newAbstraction, abstractionLocations);
}
