1 /*******************************************************************************
2 * SAT4J: a SATisfiability library for Java Copyright (C) 2004-2008 Daniel Le Berre
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 pseudo boolean algorithms described in:
20 * A fast pseudo-Boolean constraint solver Chai, D.; Kuehlmann, A.
21 * Computer-Aided Design of Integrated Circuits and Systems, IEEE Transactions on
22 * Volume 24, Issue 3, March 2005 Page(s): 305 - 317
23 *
24 * and
25 * Heidi E. Dixon, 2004. Automating Pseudo-Boolean Inference within a DPLL
26 * Framework. Ph.D. Dissertation, University of Oregon.
27 *******************************************************************************/
28 package org.sat4j.pb;
29
30 import static java.lang.System.out;
31
32 import org.sat4j.AbstractLauncher;
33 import org.sat4j.AbstractOptimizationLauncher;
34 import org.sat4j.pb.reader.OPBReader2006;
35 import org.sat4j.reader.Reader;
36 import org.sat4j.specs.ISolver;
37
38 /**
39 * Launcher especially dedicated to the pseudo boolean 05 evaluation (@link
40 * http://www.cril.univ-artois.fr/PB05/).
41 *
42 * @author mederic
43 */
44 public class LanceurPseudo2005 extends AbstractOptimizationLauncher {
45
46 /**
47 *
48 */
49 private static final long serialVersionUID = 1L;
50
51 /**
52 * Lance le prouveur sur un fichier Dimacs
53 *
54 * @param args
55 * doit contenir le nom d'un fichier Dimacs, eventuellement
56 * compress?.
57 */
58 public static void main(final String[] args) {
59 final AbstractLauncher lanceur = new LanceurPseudo2005();
60 lanceur.run(args);
61 System.exit(lanceur.getExitCode().value());
62 }
63
64 protected ObjectiveFunction obfct;
65
66 /*
67 * (non-Javadoc)
68 *
69 * @see org.sat4j.Lanceur#createReader(org.sat4j.specs.ISolver)
70 */
71 @Override
72 protected Reader createReader(ISolver theSolver, String problemname) {
73 return new OPBReader2006((IPBSolver)theSolver);
74 }
75
76 /*
77 * (non-Javadoc)
78 *
79 * @see org.sat4j.Lanceur#configureSolver(java.lang.String[])
80 */
81 @Override
82 protected ISolver configureSolver(String[] args) {
83 IPBSolver theSolver;
84 if (args.length > 1) {
85 theSolver = SolverFactory.instance().createSolverByName(args[0]);
86 } else {
87 theSolver = SolverFactory.newDefault();
88 }
89 theSolver = new PseudoOptDecorator(theSolver);
90 if (args.length==3) {
91 theSolver.setTimeout(Integer.valueOf(args[1]));
92 }
93 out.println(theSolver.toString(COMMENT_PREFIX)); //$NON-NLS-1$
94 return theSolver;
95 }
96
97 @Override
98 public void usage() {
99 out.println("java -jar sat4j-pb.jar [solvername [timeout]] instancename.opb"); //$NON-NLS-1$
100 showAvailableSolvers(SolverFactory.instance());
101 }
102
103 @Override
104 protected String getInstanceName(String[] args) {
105 assert args.length == 1 || args.length == 2 || args.length == 3;
106 return args[args.length - 1];
107 }
108 }