Examples with SmtAssertion org.evosuite.symbolic.solver.smt.SmtAssertion used on opensource projects

Example 1 with SmtAssertion

use of org.evosuite.symbolic.solver.smt.SmtAssertion in project evosuite by EvoSuite.

the class Z3QueryPrinter method print.

public String print(SmtCheckSatQuery smtQuery, long timeout) {
    StringBuffer buff = new StringBuffer();
    buff.append("(set-option :timeout " + timeout + ")");
    buff.append("\n");
    for (SmtConstantDeclaration constantDeclaration : smtQuery.getConstantDeclarations()) {
        String str = String.format("(declare-const %s %s)", constantDeclaration.getConstantName(), constantDeclaration.getConstantSort());
        buff.append(str);
        buff.append("\n");
    }
    SmtExprPrinter printer = new SmtExprPrinter();
    for (SmtAssertion assertionDeclaration : smtQuery.getAssertions()) {
        SmtExpr formula = assertionDeclaration.getFormula();
        String formulaStr = formula.accept(printer, null);
        String str = String.format("(assert %s)", formulaStr);
        buff.append(str);
        buff.append("\n");
    }
    buff.append("(check-sat)");
    buff.append("\n");
    buff.append("(get-model)");
    buff.append("\n");
    buff.append("(exit)");
    buff.append("\n");
    return buff.toString();
}

Example 2 with SmtAssertion

use of org.evosuite.symbolic.solver.smt.SmtAssertion in project evosuite by EvoSuite.

the class CVC4Solver method buildSmtCheckSatQuery.

private static SmtCheckSatQuery buildSmtCheckSatQuery(Collection<Constraint<?>> constraints) {
    ConstraintToCVC4Visitor v = new ConstraintToCVC4Visitor(true);
    SmtVariableCollector varCollector = new SmtVariableCollector();
    SmtOperatorCollector funCollector = new SmtOperatorCollector();
    List<SmtAssertion> smtAssertions = new LinkedList<SmtAssertion>();
    for (Constraint<?> c : constraints) {
        SmtExpr smtExpr = c.accept(v, null);
        if (smtExpr != null) {
            SmtAssertion smtAssertion = new SmtAssertion(smtExpr);
            smtAssertions.add(smtAssertion);
            smtExpr.accept(varCollector, null);
            smtExpr.accept(funCollector, null);
        }
    }
    Set<SmtVariable> variables = varCollector.getSmtVariables();
    if (variables.isEmpty()) {
        // no variables, constraint system is trivial
        return null;
    }
    List<SmtFunctionDefinition> functionDefinitions = new LinkedList<SmtFunctionDefinition>();
    final boolean addCharToInt = funCollector.getOperators().contains(Operator.CHAR_TO_INT);
    if (addCharToInt) {
        String charToIntFunction = buildCharToIntFunction();
        SmtFunctionDefinition funcDefinition = new SmtFunctionDefinition(charToIntFunction);
        functionDefinitions.add(funcDefinition);
    }
    final boolean addIntToChar = funCollector.getOperators().contains(Operator.INT_TO_CHAR);
    if (addIntToChar) {
        String intToCharFunction = buildIntToCharFunction();
        SmtFunctionDefinition funcDefinition = new SmtFunctionDefinition(intToCharFunction);
        functionDefinitions.add(funcDefinition);
    }
    List<SmtFunctionDeclaration> functionDeclarations = new LinkedList<SmtFunctionDeclaration>();
    for (SmtVariable var : variables) {
        String varName = var.getName();
        if (var instanceof SmtIntVariable) {
            SmtFunctionDeclaration intVar = SmtExprBuilder.mkIntFunctionDeclaration(varName);
            functionDeclarations.add(intVar);
        } else if (var instanceof SmtRealVariable) {
            SmtFunctionDeclaration realVar = SmtExprBuilder.mkRealFunctionDeclaration(varName);
            functionDeclarations.add(realVar);
        } else if (var instanceof SmtStringVariable) {
            SmtFunctionDeclaration stringVar = SmtExprBuilder.mkStringFunctionDeclaration(varName);
            functionDeclarations.add(stringVar);
        } else {
            throw new RuntimeException("Unknown variable type " + var.getClass().getCanonicalName());
        }
    }
    SmtCheckSatQuery smtQuery = new SmtCheckSatQuery(new LinkedList<SmtConstantDeclaration>(), functionDeclarations, functionDefinitions, smtAssertions);
    return smtQuery;
}

Example 3 with SmtAssertion

use of org.evosuite.symbolic.solver.smt.SmtAssertion in project evosuite by EvoSuite.

the class CVC4QueryPrinter method print.

public String print(SmtCheckSatQuery smtQuery) {
    StringBuffer buff = new StringBuffer();
    buff.append("\n");
    buff.append("(set-logic " + CVC4_LOGIC + ")");
    buff.append("\n");
    buff.append("(set-option :produce-models true)");
    buff.append("\n");
    buff.append("(set-option :strings-exp true)");
    buff.append("\n");
    for (SmtFunctionDeclaration functionDeclaration : smtQuery.getFunctionDeclarations()) {
        String str = String.format("(declare-fun %s () %s)", functionDeclaration.getFunctionName(), functionDeclaration.getFunctionSort());
        buff.append(str);
        buff.append("\n");
    }
    for (SmtFunctionDefinition functionDeclaration : smtQuery.getFunctionDefinitions()) {
        String str = String.format("(define-fun %s)", functionDeclaration.getFunctionDefinition());
        buff.append(str);
        buff.append("\n");
    }
    SmtExprPrinter printer = new SmtExprPrinter();
    for (SmtAssertion smtAssertion : smtQuery.getAssertions()) {
        SmtExpr smtExpr = smtAssertion.getFormula();
        String smtExprStr = smtExpr.accept(printer, null);
        String str = String.format("(assert %s)", smtExprStr);
        buff.append(str);
        buff.append("\n");
    }
    buff.append("(check-sat)");
    buff.append("\n");
    buff.append("(get-model)");
    buff.append("\n");
    buff.append("(exit)");
    buff.append("\n");
    return buff.toString();
}

Example 4 with SmtAssertion

use of org.evosuite.symbolic.solver.smt.SmtAssertion in project evosuite by EvoSuite.

the class Z3Solver method buildSmtQuery.

private static SmtCheckSatQuery buildSmtQuery(Collection<Constraint<?>> constraints, Set<Variable<?>> variables) {
    List<SmtConstantDeclaration> constantDeclarations = new LinkedList<SmtConstantDeclaration>();
    for (Variable<?> v : variables) {
        String varName = v.getName();
        if (v instanceof IntegerVariable) {
            SmtConstantDeclaration intVar = SmtExprBuilder.mkIntConstantDeclaration(varName);
            constantDeclarations.add(intVar);
        } else if (v instanceof RealVariable) {
            SmtConstantDeclaration realVar = SmtExprBuilder.mkRealConstantDeclaration(varName);
            constantDeclarations.add(realVar);
        } else if (v instanceof StringVariable) {
        // ignore string variables
        } else {
            throw new RuntimeException("Unknown variable type " + v.getClass().getCanonicalName());
        }
    }
    List<SmtAssertion> assertions = new LinkedList<SmtAssertion>();
    for (Constraint<?> c : constraints) {
        ConstraintToZ3Visitor v = new ConstraintToZ3Visitor();
        SmtExpr bool_expr = c.accept(v, null);
        if (bool_expr != null && bool_expr.isSymbolic()) {
            SmtAssertion newAssertion = new SmtAssertion(bool_expr);
            assertions.add(newAssertion);
        }
    }
    SmtCheckSatQuery smtCheckSatQuery = new SmtCheckSatQuery(constantDeclarations, assertions);
    return smtCheckSatQuery;
}

Example 5 with SmtAssertion

use of org.evosuite.symbolic.solver.smt.SmtAssertion in project evosuite by EvoSuite.

the class Z3Str2QueryPrinter method print.

public String print(SmtCheckSatQuery smtQuery) {
    StringBuffer buff = new StringBuffer();
    buff.append("\n");
    for (SmtConstantDeclaration constantDeclaration : smtQuery.getConstantDeclarations()) {
        String str = String.format("(declare-const %s %s)", constantDeclaration.getConstantName(), constantDeclaration.getConstantSort());
        buff.append(str);
        buff.append("\n");
    }
    for (SmtFunctionDefinition smtFunctionDefinition : smtQuery.getFunctionDefinitions()) {
        String str = String.format("(define-fun %s)", smtFunctionDefinition.getFunctionDefinition());
        buff.append(str);
        buff.append("\n");
    }
    SmtExprPrinter printer = new SmtExprPrinter();
    for (SmtAssertion assertionDeclaration : smtQuery.getAssertions()) {
        SmtExpr formula = assertionDeclaration.getFormula();
        String formulaStr = formula.accept(printer, null);
        String str = String.format("(assert %s)", formulaStr);
        buff.append(str);
        buff.append("\n");
    }
    buff.append("(check-sat)");
    buff.append("\n");
    return buff.toString();
}