Examples with Theory com.sri.ai.grinder.api.Theory used on opensource projects

Example 31 with Theory

use of com.sri.ai.grinder.api.Theory in project aic-expresso by aic-sri-international.

the class SGDPLLTTester method testMultiVariableConstraints.

/**
 * Given a theory and a number <code>n</code> of multi-variable constraint tests,
 * generates <code>n</code> formulas in the theory
 * and see if those detected as unsatisfiable by the corresponding solver
 * are indeed unsatisfiable (checked by brute force).
 * Throws an {@link Error} with the failure description if a test fails.
 * @param theoryTestingSupport
 * @param numberOfTests
 * @param maxNumberOfLiterals
 * @param outputCount
 */
public static void testMultiVariableConstraints(boolean testAgainstBruteForce, TheoryTestingSupport theoryTestingSupport, long numberOfTests, int maxNumberOfLiterals, boolean outputCount) {
    NullaryFunction<Constraint> makeInitialConstraint = () -> new DefaultMultiVariableConstraint(theoryTestingSupport.getTheory());
    Context context = theoryTestingSupport.makeContextWithTestingInformation();
    Function<Constraint, Expression> makeRandomLiteral = c -> theoryTestingSupport.makeRandomLiteral(context);
    // DefaultMultiVariableConstraint is incomplete
    TestRunner tester = SGDPLLTTester::testIncompleteSatisfiability;
    runTesterGivenOnSuccessiveConjunctionsOfLiterals("incomplete satisfiability", tester, numberOfTests, maxNumberOfLiterals, testAgainstBruteForce, theoryTestingSupport, makeInitialConstraint, makeRandomLiteral, outputCount, context);
}

Example 32 with Theory

use of com.sri.ai.grinder.api.Theory in project aic-expresso by aic-sri-international.

the class SGDPLLTTester method testModelCountingForSingleVariableConstraints.

/**
 * Given a theory and a number <code>n</code> of single-variable constraint tests,
 * generates <code>n</code> formulas in the theory
 * and see if the model counting solver works (checked by brute force).
 * Throws an {@link Error} with the failure description if a test fails.
 * @param theoryTestingSupport
 * @param numberOfTests
 * @param maxNumberOfLiterals
 * @param outputCount
 */
public static void testModelCountingForSingleVariableConstraints(boolean testAgainstBruteForce, TheoryTestingSupport theoryTestingSupport, long numberOfTests, int maxNumberOfLiterals, boolean outputCount) {
    Context context = theoryTestingSupport.makeContextWithTestingInformation();
    Expression variable = parse(theoryTestingSupport.pickTestingVariableAtRandom());
    NullaryFunction<Constraint> makeInitialConstraint = () -> theoryTestingSupport.getTheory().makeSingleVariableConstraint(variable, context);
    Function<Constraint, Expression> makeRandomLiteral = c -> theoryTestingSupport.makeRandomLiteralOn(((SingleVariableConstraint) c).getVariable().toString(), context);
    TestRunner tester = (ls, c, tB, cT, p) -> runModelCountingTestForSingleVariableConstraint(variable, ls, c, tB, cT.getTheory(), p);
    runTesterGivenOnSuccessiveConjunctionsOfLiterals("model counting", tester, numberOfTests, maxNumberOfLiterals, testAgainstBruteForce, theoryTestingSupport, makeInitialConstraint, makeRandomLiteral, outputCount, context);
}

Example 33 with Theory

use of com.sri.ai.grinder.api.Theory in project aic-expresso by aic-sri-international.

the class CompoundTheory method getSingleVariableConstraintModelCountingStepSolver.

@Override
public ExpressionLiteralSplitterStepSolver getSingleVariableConstraintModelCountingStepSolver(SingleVariableConstraint constraint, Context context) {
    Theory theory = getTheory(constraint.getVariable(), context);
    ExpressionLiteralSplitterStepSolver result;
    if (theory != null) {
        result = theory.getSingleVariableConstraintModelCountingStepSolver(constraint, context);
    } else {
        result = null;
    }
    return result;
}

Example 34 with Theory

use of com.sri.ai.grinder.api.Theory in project aic-expresso by aic-sri-international.

the class CompoundTheory method getSingleQuantifierEliminatorStepSolver.

@Override
public ExpressionLiteralSplitterStepSolver getSingleQuantifierEliminatorStepSolver(SingleQuantifierEliminationProblem problem, Context context) {
    Theory theory = getTheory(problem.getIndex(), context);
    ExpressionLiteralSplitterStepSolver result = theory.getSingleQuantifierEliminatorStepSolver(problem, context);
    return result;
}

Example 35 with Theory

use of com.sri.ai.grinder.api.Theory in project aic-expresso by aic-sri-international.

the class CompoundTheory method getTheory.

// NOTE: package protected so TestingSupport can utilize.
Theory getTheory(Expression variable, Context context) {
    Type type = GrinderUtil.getTypeOfExpression(variable, context);
    Theory result = getTheory(variable, type);
    return result;
}