Fixes a missing method and uses LBD-based restarts in resolution-based solvers

org.sat4j.core/src/main/java/org/sat4j/minisat/orders/OrientedOrder.java

@@ -69,6 +69,11 @@ public class OrientedOrder implements IOrder {
         }
     }
 
+    @Override
+    public void updateVar(int p, double value) {
+        updateVar(p);
+    }
+
     @Override
     public void init() {
         order.init();

org.sat4j.pb/src/main/java/org/sat4j/pb/SolverFactory.java

@@ -930,7 +930,7 @@ public final class SolverFactory extends ASolverFactory<IPBSolver> {
         PBSolverResolution solver = newCompetPBResLongWLMixedConstraintsObjectiveExpSimp();
         solver.setSimplifier(Solver.NO_SIMPLIFICATION);
         solver.setRestartStrategy(new Glucose21Restarts());
-        solver.setLearnedConstraintsDeletionStrategy(solver.activity_based);
+        solver.setLearnedConstraintsDeletionStrategy(solver.lbd_based);
         return solver;
     }
 
@@ -986,7 +986,7 @@ public final class SolverFactory extends ASolverFactory<IPBSolver> {
      */
     public static IPBSolver newSimpleSimplification() {
         PBSolverResolution solver = newCompetPBResWLMixedConstraintsObjectiveExpSimp();
-        solver.setLearnedConstraintsDeletionStrategy(solver.activity_based);
+        solver.setLearnedConstraintsDeletionStrategy(solver.lbd_based);
         solver.setSimplifier(solver.SIMPLE_SIMPLIFICATION);
         return solver;
     }
@@ -1000,7 +1000,7 @@ public final class SolverFactory extends ASolverFactory<IPBSolver> {
      */
     public static IPBSolver newResolutionSimpleRestarts() {
         PBSolverResolution solver = newCompetPBResLongWLMixedConstraintsObjectiveExpSimp();
-        solver.setLearnedConstraintsDeletionStrategy(solver.activity_based);
+        solver.setLearnedConstraintsDeletionStrategy(solver.lbd_based);
         solver.setRestartStrategy(new MiniSATRestarts());
         return solver;
     }