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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.minisat.core;
31  
32  import org.junit.Test;
33  import org.sat4j.core.VecInt;
34  import org.sat4j.minisat.SolverFactory;
35  import org.sat4j.opt.MaxSatDecorator;
36  import org.sat4j.specs.ContradictionException;
37  import org.sat4j.specs.TimeoutException;
38  import org.sat4j.tools.ModelIterator;
39  import org.sat4j.tools.OptToSatAdapter;
40  
41  public class BugFatih2 {
42  
43      @Test
44      public void testBugReport() throws ContradictionException, TimeoutException {
45          ModelIterator solver = new ModelIterator(new OptToSatAdapter(
46                  new MaxSatDecorator(SolverFactory.newDefault())));
47          // MaxSatDecorator solver = new
48          // MaxSatDecorator(SolverFactory.newDefault());
49          System.out.println("Taille de voc : " + solver.nVars());
50          solver.newVar(13);
51          solver.setExpectedNumberOfClauses(24);
52          solver.addClause(new VecInt(new int[] { -1 }));
53          solver.addClause(new VecInt(new int[] { -2 }));
54          solver.addClause(new VecInt(new int[] { -3, 4 }));
55          solver.addClause(new VecInt(new int[] { -3, 5 }));
56          solver.addClause(new VecInt(new int[] { -3, 6 }));
57          solver.addClause(new VecInt(new int[] { -1, 7 }));
58          solver.addClause(new VecInt(new int[] { -2, 6 }));
59          solver.addClause(new VecInt(new int[] { -4, 3 }));
60          solver.addClause(new VecInt(new int[] { -5, 3 }));
61          solver.addClause(new VecInt(new int[] { -6, 3, 2 }));
62          solver.addClause(new VecInt(new int[] { -7, 1 }));
63          solver.addClause(new VecInt(new int[] { 3, -1, 8 }));
64          solver.addClause(new VecInt(new int[] { -3, 1, 8 }));
65          solver.addClause(new VecInt(new int[] { -3, -1, 9 }));
66          solver.addClause(new VecInt(new int[] { -9 }));
67          solver.addClause(new VecInt(new int[] { 1, -2, 10 }));
68          solver.addClause(new VecInt(new int[] { -1, 2, 10 }));
69          solver.addClause(new VecInt(new int[] { -1, -2, 11 }));
70          solver.addClause(new VecInt(new int[] { -10 }));
71          solver.addClause(new VecInt(new int[] { -11 }));
72          solver.addClause(new VecInt(new int[] { 3, -1, 12 }));
73          solver.addClause(new VecInt(new int[] { -3, 1, 12 }));
74          solver.addClause(new VecInt(new int[] { -3, -1, 13 }));
75          solver.addClause(new VecInt(new int[] { -13 }));
76          System.out.println("Taille de voc : " + solver.nVars());
77          if (solver.isSatisfiable()) {
78              System.out.println("Taille du modèle : " + solver.model().length);
79              for (int i = 1; i <= solver.model().length; i++) {
80                  System.out.print(solver.model(i) + " ");
81              }
82              System.out.println();
83          }
84      }
85  }