BooleanMultiple4Test.java

/**
 * Copyright (C) 2019 Linghui Luo
 *
 * <p>This library is free software: you can redistribute it and/or modify it under the terms of the
 * GNU Lesser General Public License as published by the Free Software Foundation, either version
 * 2.1 of the License, or (at your option) any later version.
 *
 * <p>This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
 * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU Lesser General Public License for more details.
 *
 * <p>You should have received a copy of the GNU Lesser General Public License along with this
 * program. If not, see <http://www.gnu.org/licenses/>.
 */
package constraintBenchTestSuite;

import com.microsoft.z3.BoolExpr;
import cova.core.SMTSolverZ3;
import cova.data.ConstraintZ3;
import cova.data.Operator;
import org.junit.Assert;
import org.junit.Test;
import soot.BooleanType;
import utils.ConstraintBenchTestFramework;

/** */
public class BooleanMultiple4Test extends ConstraintBenchTestFramework {

  public BooleanMultiple4Test() {
    targetTestClassName = "constraintBench.test.primTypes.BooleanMultiple4";
  }

  @Test
  public void test() {
    BoolExpr termA = SMTSolverZ3.getInstance().makeBoolTerm(A, false);
    BoolExpr termE = SMTSolverZ3.getInstance().makeBoolTerm(E, false);
    BoolExpr negatedA = SMTSolverZ3.getInstance().negate(termA, false);
    BoolExpr negatedE = SMTSolverZ3.getInstance().negate(termE, false);
    BoolExpr bEc =
        SMTSolverZ3.getInstance()
            .makeNonTerminalExpr(B, false, C, false, BooleanType.v(), Operator.EQ);
    BoolExpr negatedbEc = SMTSolverZ3.getInstance().negate(bEc, false);
    BoolExpr ea = SMTSolverZ3.getInstance().solve(negatedA, negatedE, Operator.OR, false);
    // (B = C) v !A v !E
    BoolExpr expected1 = SMTSolverZ3.getInstance().solve(bEc, ea, Operator.OR, false);
    // !(B = C) v !A v !E
    BoolExpr expected2 = SMTSolverZ3.getInstance().solve(negatedbEc, ea, Operator.OR, false);

    BoolExpr actual = ((ConstraintZ3) results.get(15)).getExpr();
    boolean equivalent = SMTSolverZ3.getInstance().prove(termA, actual);
    Assert.assertTrue(equivalent);

    actual = ((ConstraintZ3) results.get(18)).getExpr();
    equivalent = SMTSolverZ3.getInstance().prove(termE, actual);
    Assert.assertTrue(equivalent);

    actual = ((ConstraintZ3) results.get(21)).getExpr();
    equivalent = SMTSolverZ3.getInstance().prove(expected1, actual);
    Assert.assertTrue(equivalent);

    actual = ((ConstraintZ3) results.get(23)).getExpr();
    equivalent = SMTSolverZ3.getInstance().prove(expected2, actual);
    Assert.assertTrue(equivalent);

    Assert.assertTrue(!results.containsKey(25));
  }
}