edu.buaa.satla.analysis.core.CounterexampleInfo.java Source code

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Here is the source code for edu.buaa.satla.analysis.core.CounterexampleInfo.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 edu.buaa.satla.analysis.core;

import static com.google.common.base.Preconditions.*;

import java.util.Collection;
import java.util.Collections;

import org.sosy_lab.common.Pair;
import org.sosy_lab.common.io.PathTemplate;
import org.sosy_lab.cpachecker.cpa.arg.ARGPath;

import com.google.common.collect.Lists;

import edu.buaa.satla.analysis.core.counterexample.Model;

public class CounterexampleInfo {

    private final boolean spurious;

    private final ARGPath targetPath;
    private final Model model;

    // list with additional information about the counterexample
    private final Collection<Pair<Object, PathTemplate>> furtherInfo;

    private static final CounterexampleInfo SPURIOUS = new CounterexampleInfo(true, null, null);

    private CounterexampleInfo(boolean pSpurious, ARGPath pTargetPath, Model pModel) {
        spurious = pSpurious;
        targetPath = pTargetPath;
        model = pModel;

        if (!spurious) {
            furtherInfo = Lists.newArrayListWithExpectedSize(1);
        } else {
            furtherInfo = null;
        }
    }

    public static CounterexampleInfo spurious() {
        return SPURIOUS;
    }

    public static CounterexampleInfo feasible(ARGPath pTargetPath, Model pModel) {
        return new CounterexampleInfo(false, checkNotNull(pTargetPath), checkNotNull(pModel));
    }

    public boolean isSpurious() {
        return spurious;
    }

    public ARGPath getTargetPath() {
        checkState(!spurious);

        return targetPath;
    }

    public Model getTargetPathModel() {
        checkState(!spurious);

        return model;
    }

    /**
     * Add some additional information about the counterexample.
     *
     * @param info The information.
     * @param dumpFile The file where "info.toString()" should be dumped (may be null).
     */
    public void addFurtherInformation(Object info, PathTemplate dumpFile) {
        checkState(!spurious);

        furtherInfo.add(Pair.of(checkNotNull(info), dumpFile));
    }

    /**
     * Get all additional information stored in this object.
     * A file where to dump it may be associated with each object, but this part
     * of the pair may be null.
     *
     * @return
     */
    public Collection<Pair<Object, PathTemplate>> getAllFurtherInformation() {
        checkState(!spurious);

        return Collections.unmodifiableCollection(furtherInfo);
    }
}