/** * Copyright (C) 2010-2017 Gordon Fraser, Andrea Arcuri and EvoSuite * contributors * * This file is part of EvoSuite. * * EvoSuite 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 3.0 of the License, or * (at your option) any later version. * * EvoSuite 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 Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with EvoSuite. If not, see <http://www.gnu.org/licenses/>. */ package org.evosuite.symbolic.solver; import org.evosuite.Properties; import org.evosuite.symbolic.solver.avm.EvoSuiteSolver; import org.evosuite.symbolic.solver.cvc4.CVC4Solver; import org.evosuite.symbolic.solver.z3.Z3Solver; import org.evosuite.symbolic.solver.z3str2.Z3Str2Solver; public class SolverFactory { private static final SolverFactory instance = new SolverFactory(); public static SolverFactory getInstance() { return instance; } public Solver buildNewSolver() { switch (Properties.DSE_SOLVER) { case Z3_SOLVER: return new Z3Solver(true); case Z3_STR2_SOLVER: return new Z3Str2Solver(true); case CVC4_SOLVER: { CVC4Solver solver = new CVC4Solver(true); solver.setRewriteNonLinearConstraints(true); return solver; } case EVOSUITE_SOLVER: default: return new EvoSuiteSolver(); } } }