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| package org.sat4j; |
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| import java.io.FileNotFoundException; |
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| import java.io.IOException; |
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| import org.sat4j.minisat.SolverFactory; |
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| import org.sat4j.reader.InstanceReader; |
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| import org.sat4j.reader.ParseFormatException; |
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| import org.sat4j.reader.Reader; |
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| import org.sat4j.specs.ContradictionException; |
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| import org.sat4j.specs.IProblem; |
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| import org.sat4j.specs.ISolver; |
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| import org.sat4j.specs.IVecInt; |
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| import org.sat4j.specs.TimeoutException; |
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| import org.sat4j.tools.RemiUtils; |
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| import org.sat4j.tools.SolutionCounter; |
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| public class MoreThanSAT { |
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| public static void main(String[] args) {
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| ISolver solver = SolverFactory.newMiniLearning();
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| SolutionCounter sc = new SolutionCounter(solver);
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| solver.setTimeout(3600);
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| Reader reader = new InstanceReader(solver);
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| try {
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| IProblem problem = reader.parseInstance(args[0]);
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| if (problem.isSatisfiable()) {
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| System.out.println("Satisfiable !");
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| System.out.println(reader.decode(problem.model()));
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| IVecInt backbone = RemiUtils.backbone(solver);
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| System.out.println("BackBone:" + backbone);
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| System.out.println("Counting solutions...");
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| System.out.println("Number of solutions : "
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| + sc.countSolutions()); |
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| } else { |
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| System.out.println("Unsatisfiable !");
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| } |
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| } catch (FileNotFoundException e) { |
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| e.printStackTrace();
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| } catch (ParseFormatException e) { |
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| e.printStackTrace();
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| } catch (IOException e) { |
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| e.printStackTrace();
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| } catch (ContradictionException e) { |
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| System.out.println("Unsatisfiable (trivial)!");
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| } catch (TimeoutException e) { |
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| System.out.println("Timeout, sorry!");
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| } |
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| } |
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| } |