PTA bug fixes: model labels, multiple properties.

git-svn-id: https://www.prismmodelchecker.org/svn/prism/prism/trunk@1895 bbc10eb1-c90d-0410-af57-cb519fbb1720

prism/src/pta/Modules2PTA.java

@@ -83,7 +83,10 @@ public class Modules2PTA
 
 		// Clone the model file, replace any constants with values,
 		// and simplify any expressions as much as possible.
-		modulesFile = (ModulesFile) modulesFile.replaceConstants(constantValues).simplify();
+		modulesFile = (ModulesFile) modulesFile.deepCopy().replaceConstants(constantValues).simplify();
+		
+		// Remove labels from (cloned) model - these are not translated.
+		modulesFile.setLabelList(new LabelList());
 
 		// Go through list of modules
 		numModules = modulesFile.getNumModules();

prism/src/pta/PTAModelChecker.java

@@ -72,8 +72,15 @@ public class PTAModelChecker
 		if (propertiesFile != null)
 			constantValues.addValues(propertiesFile.getConstantValues());
 
-		// Get combined label list, expand constants
-		labelList = propertiesFile.getCombinedLabelList();
+		// Build a combined label list and expand any constants
+		// (note labels in model are ignored (removed) during PTA translation so need to store here)
+		labelList = new LabelList();
+		for (int i = 0; i < modulesFile.getLabelList().size(); i++) {
+			labelList.addLabel(modulesFile.getLabelList().getLabelNameIdent(i), modulesFile.getLabelList().getLabel(i).deepCopy());
+		}
+		for (int i = 0; i < propertiesFile.getLabelList().size(); i++) {
+			labelList.addLabel(propertiesFile.getLabelList().getLabelNameIdent(i), propertiesFile.getLabelList().getLabel(i).deepCopy());
+		}
 		labelList = (LabelList) labelList.replaceConstants(constantValues);
 
 		// Build mapping from all (original model) variables to non-clocks only