org.sosy_lab.cpachecker.cpa.wp.WpAbstractState.java Source code

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Here is the source code for org.sosy_lab.cpachecker.cpa.wp.WpAbstractState.java

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/*
 *  CPAchecker is a tool for configurable software verification.
 *  This file is part of CPAchecker.
 *
 *  Copyright (C) 2007-2014  Dirk Beyer
 *  All rights reserved.
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 *
 *
 *  CPAchecker web page:
 *    http://cpachecker.sosy-lab.org
 */
package org.sosy_lab.cpachecker.cpa.wp;

import javax.annotation.Nullable;

import org.sosy_lab.cpachecker.core.interfaces.AbstractState;
import org.sosy_lab.cpachecker.util.predicates.pathformula.PathFormula;

import com.google.common.base.Optional;

public class WpAbstractState implements AbstractState {

    @Nullable
    private final PathFormula violationPathFormula;
    @Nullable
    private final PathFormula healthyPathFormula;

    public WpAbstractState(PathFormula pViolationPathFormula, PathFormula pHealthyPathFormula) {
        assert pViolationPathFormula != null || pHealthyPathFormula != null;

        this.violationPathFormula = pViolationPathFormula;
        this.healthyPathFormula = pHealthyPathFormula;
    }

    public Optional<PathFormula> getHealthyPathFormula() {
        if (healthyPathFormula == null) {
            return Optional.absent();
        }
        return Optional.of(healthyPathFormula);
    }

    public Optional<PathFormula> getViolationPathFormula() {
        if (violationPathFormula == null) {
            return Optional.absent();
        }
        return Optional.of(violationPathFormula);
    }

    @Override
    public String toString() {
        return String.format("VP: %s\nHP: %s\n", violationPathFormula, healthyPathFormula);
    }

}