Example usage for com.google.common.collect Constraint toString

Introduction

In this page you can find the example usage for com.google.common.collect Constraint toString.

Prototype

@Override
String toString();

Source Link

Document

Returns a brief human readable description of this constraint, such as "Not null" or "Positive number".

Usage

From source file:org.sosy_lab.cpachecker.cpa.chc.ConstraintManager.java

public static Constraint and(Constraint cn1, Constraint cn2) {

    ArrayList<Term> andCn = new ArrayList<>(cn1.getConstraint());
    andCn.addAll(cn2.getConstraint());/*w w  w. j  a v a  2 s .  c  o  m*/

    logger.log(Level.FINEST, "\n * " + cn1.toString() + "\n * and \n * " + cn2.toString());

    /*
     * create a list of variable to solve the constraint
     * Remove all non primed variables which occur in
     * the set of primed variables
     */
    HashMap<String, Term> newVars = ConstraintManager.selectVariables(cn1.getVars(), cn2.getVars());

    Constraint andConstraint = ConstraintManager.simplify(andCn, newVars);

    logger.log(Level.FINEST, "\n * " + andConstraint.toString());

    return andConstraint;
}

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From source file:org.sosy_lab.cpachecker.cpa.chc.ConstraintManager.java

public static boolean subsumes(Constraint cn1, Constraint cn2) {

    // Constraint 1
    Term constraint1 = Util.termArrayToList(cn1.getConstraint().toArray(new Term[0]));
    // Constraint 2
    Term constraint2 = Util.termArrayToList(cn2.getConstraint().toArray(new Term[0]));

    Term args[] = { constraint1, constraint2 };

    Query q = new Query("entails", args);

    logger.log(Level.FINEST, "\n * " + cn1.toString() + "\n * entails" + "\n * " + cn2.toString() + ")");

    boolean res = q.hasSolution();

    logger.log(Level.FINEST, "\n * result: " + res);

    return res;//  w ww.  ja v  a  2  s. c  om
}

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From source file:org.sosy_lab.cpachecker.cpa.chc.ConstraintManager.java

@SuppressWarnings("unchecked")
public static Constraint generalize(Constraint cn1, Constraint cn2) {

    // Constraint 1
    Term constraint1 = Util.termArrayToList(cn1.getConstraint().toArray(new Term[0]));
    // Constraint 2
    Term constraint2 = Util.termArrayToList(cn2.getConstraint().toArray(new Term[0]));

    Term args[] = { constraint1, constraint2, new Variable("G") };

    Query q = new Query("generalize", args);

    logger.log(Level.FINEST, "\n * definition: " + cn1.toString() + "\n * ancestor :  " + cn1.toString());

    return normalize("G", q.oneSolution());
}

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From source file:org.sosy_lab.cpachecker.cpa.chc.ConstraintManager.java

private static Constraint normalize(String sol, Hashtable<String, Term> varMap) {

    // fetches the solution
    Term cn = varMap.get(sol);/*w  w w .j a  va 2 s .  c  o  m*/

    String newConstraint = cn.toString();

    Constraint nres = new Constraint();

    if (Constraint.isFalse(newConstraint)) {
        return nres.setFalse();
    }

    Hashtable<String, Term> varSolMap = new Hashtable<>(varMap);

    varSolMap.remove(sol);

    /*
     * replace all occurrences of primed variables
     * by their corresponding unprimed version
     */
    for (Map.Entry<String, Term> me : varSolMap.entrySet()) {
        newConstraint = newConstraint.replaceAll(me.getValue().toString(),
                ConstraintManager.primedVarToVar(me.getKey()));
        nres.addVar(var2CVar(ConstraintManager.primedVarToVar(me.getKey())),
                new Variable(primedVarToVar(me.getKey())));
    }

    // TODO: to be improved
    nres.setConstraint(new ArrayList<>(Arrays.asList(Util.listToTermArray(Util.textToTerm(newConstraint)))));

    logger.log(Level.FINEST, "\n * result: " + nres.toString());

    return nres;
}

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