1 /*******************************************************************************
2 * SAT4J: a SATisfiability library for Java Copyright (C) 2004, 2012 Artois University and CNRS
3 *
4 * All rights reserved. This program and the accompanying materials
5 * are made available under the terms of the Eclipse Public License v1.0
6 * which accompanies this distribution, and is available at
7 * http://www.eclipse.org/legal/epl-v10.html
8 *
9 * Alternatively, the contents of this file may be used under the terms of
10 * either the GNU Lesser General Public License Version 2.1 or later (the
11 * "LGPL"), in which case the provisions of the LGPL are applicable instead
12 * of those above. If you wish to allow use of your version of this file only
13 * under the terms of the LGPL, and not to allow others to use your version of
14 * this file under the terms of the EPL, indicate your decision by deleting
15 * the provisions above and replace them with the notice and other provisions
16 * required by the LGPL. If you do not delete the provisions above, a recipient
17 * may use your version of this file under the terms of the EPL or the LGPL.
18 *
19 * Based on the original MiniSat specification from:
20 *
21 * An extensible SAT solver. Niklas Een and Niklas Sorensson. Proceedings of the
22 * Sixth International Conference on Theory and Applications of Satisfiability
23 * Testing, LNCS 2919, pp 502-518, 2003.
24 *
25 * See www.minisat.se for the original solver in C++.
26 *
27 * Contributors:
28 * CRIL - initial API and implementation
29 *******************************************************************************/
30 package org.sat4j.pb;
31
32 import static org.junit.Assert.fail;
33
34 import org.junit.Test;
35 import org.sat4j.core.VecInt;
36 import org.sat4j.specs.ContradictionException;
37 import org.sat4j.specs.ISolver;
38 import org.sat4j.specs.IVecInt;
39 import org.sat4j.specs.TimeoutException;
40
41 public class BugSat14 {
42
43 @Test
44 public void testSatCallAfterExpireTimeout() throws ContradictionException {
45 ISolver solver = SolverFactory.newDefault();
46 IVecInt clause = new VecInt();
47 for (int i = 4; i < 1000; i++) {
48 clause.push(1).push(-2).push(3).push(i);
49 solver.addClause(clause);
50 clause.clear();
51 }
52 for (int i = 4; i < 10000; i++) {
53 clause.push(-i);
54 }
55 solver.addClause(clause);
56 clause.clear();
57 clause.push(10).push(-20);
58 solver.addClause(clause);
59 clause.clear();
60 clause.push(-10).push(20);
61 solver.addClause(clause);
62 clause.clear();
63 clause.push(10).push(20);
64 solver.addClause(clause);
65 clause.clear();
66 clause.push(-10).push(-20);
67 solver.addClause(clause);
68 clause.clear();
69 solver.setTimeoutMs(10);
70 try {
71 boolean result = solver.isSatisfiable(true);
72 } catch (TimeoutException e) {
73 System.out.println("Exception launched");
74 }
75 solver.expireTimeout();
76 solver.setTimeout(300);
77 try {
78 boolean result = solver.isSatisfiable(true);
79 } catch (TimeoutException e) {
80 fail();
81 }
82 }
83 }