pass PrismComponent to DASimplifyAcceptance.simplifyAcceptance

git-svn-id: https://www.prismmodelchecker.org/svn/prism/prism/trunk@11196 bbc10eb1-c90d-0410-af57-cb519fbb1720

prism/src/automata/DASimplifyAcceptance.java

@@ -2,6 +2,7 @@ package automata;
 
 import java.util.BitSet;
 
+import prism.PrismComponent;
 import prism.PrismException;
 import explicit.SCCComputer;
 import acceptance.AcceptanceOmega;
@@ -16,18 +17,19 @@ public class DASimplifyAcceptance
 	/**
 	 * Tries to simplify the acceptance condition of the deterministic automaton.
 	 * Note that the passed parameter {@code da} may be destroyed by this function.
+	 * @param parent the calling PrismComponent (for SCC computer)
 	 * @param da the DA to be simplified (may be destroyed)
 	 * @param allowedAcceptance the allowed acceptance types
 	 */
 	@SuppressWarnings("unchecked")
-	public static DA<BitSet, ? extends AcceptanceOmega> simplifyAcceptance(DA<BitSet, ? extends AcceptanceOmega> da, AcceptanceType... allowedAcceptance)
+	public static DA<BitSet, ? extends AcceptanceOmega> simplifyAcceptance(PrismComponent parent, DA<BitSet, ? extends AcceptanceOmega> da, AcceptanceType... allowedAcceptance)
 			throws PrismException
 	{
 		// Simplifications for DRAs
 		if (da.getAcceptance() instanceof AcceptanceRabin) {
 			DA<BitSet, AcceptanceRabin> dra = (DA<BitSet, AcceptanceRabin>) da;
 			// K_i states that do not occur in a (non-trivial) SCC of the DRA may as well be removed
-			SCCComputer sccComp = explicit.SCCComputer.createSCCComputer(null, new LTSFromDA(da));
+			SCCComputer sccComp = explicit.SCCComputer.createSCCComputer(parent, new LTSFromDA(da));
 			sccComp.computeBSCCs();
 			BitSet trivial = sccComp.getNotInSCCs();
 			for (RabinPair pair : dra.getAcceptance()) {

prism/src/automata/LTL2DA.java

@@ -132,7 +132,7 @@ public class LTL2DA extends PrismComponent
 			throw new PrismNotSupportedException("Could not convert LTL formula to deterministic automaton");
 		}
 
-		result = DASimplifyAcceptance.simplifyAcceptance(result, allowedAcceptance);
+		result = DASimplifyAcceptance.simplifyAcceptance(this, result, allowedAcceptance);
 
 		return result;
 	}