@Override public void exportToPrismExplicitTra(PrismLog out) { int i; TreeMap<Integer, Pair<Double, Object>> sorted; // Output transitions to .tra file out.print(numStates + " " + getNumTransitions() + "\n"); sorted = new TreeMap<Integer, Pair<Double, Object>>(); for (i = 0; i < numStates; i++) { // Extract transitions and sort by destination state index (to match PRISM-exported files) Iterator<Map.Entry<Integer, Pair<Double, Object>>> iter = getTransitionsAndActionsIterator(i); while (iter.hasNext()) { Map.Entry<Integer, Pair<Double, Object>> e = iter.next(); sorted.put(e.getKey(), e.getValue()); } // Print out (sorted) transitions for (Map.Entry<Integer, Pair<Double, Object>> e : sorted.entrySet()) { // Note use of PrismUtils.formatDouble to match PRISM-exported files out.print(i + " " + e.getKey() + " " + PrismUtils.formatDouble(e.getValue().first)); Object action = e.getValue().second; if (action != null && !"".equals(action)) out.print(" " + action); out.print("\n"); } sorted.clear(); } }
@Override public void exportTransitionsToDotFile(int i, PrismLog out) { Iterator<Map.Entry<Integer, Double>> iter = getTransitionsIterator(i); while (iter.hasNext()) { Map.Entry<Integer, Double> e = iter.next(); out.print(i + " -> " + e.getKey() + " [ label=\""); out.print(e.getValue() + "\" ];\n"); } }
@Override protected void exportTransitionsToDotFile(int i, PrismLog out) { int j, k; String nij, nijk; j = -1; for (DistributionSet distrs : trans.get(i)) { j++; nij = "n" + i + "_" + j; out.print(i + " -> " + nij + " [ arrowhead=none,label=\"" + j + "\" ];\n"); out.print(nij + " [ shape=circle,width=0.1,height=0.1,label=\"\" ];\n"); k = -1; for (Distribution distr : distrs) { k++; nijk = "n" + i + "_" + j + "_" + k; out.print(nij + " -> " + nijk + " [ arrowhead=none,label=\"" + k + "\" ];\n"); out.print(nijk + " [ shape=point,label=\"\" ];\n"); for (Map.Entry<Integer, Double> e : distr) { out.print(nijk + " -> " + e.getKey() + " [ label=\"" + e.getValue() + "\" ];\n"); } } } }
@Override public void exportToPrismExplicitTra(PrismLog out) { int i, j, k; TreeMap<Integer, Double> sorted; // Output transitions to .tra file out.print(numStates + " " + numDistrSets + " " + numDistrs + " " + numTransitions + "\n"); sorted = new TreeMap<Integer, Double>(); for (i = 0; i < numStates; i++) { j = -1; for (DistributionSet distrs : trans.get(i)) { j++; k = -1; for (Distribution distr : distrs) { k++; // Extract transitions and sort by destination state index (to match PRISM-exported files) for (Map.Entry<Integer, Double> e : distr) { sorted.put(e.getKey(), e.getValue()); } // Print out (sorted) transitions for (Map.Entry<Integer, Double> e : distr) { // Note use of PrismUtils.formatDouble to match PRISM-exported files out.print( i + " " + j + " " + k + " " + e.getKey() + " " + PrismUtils.formatDouble(e.getValue()) + "\n"); } sorted.clear(); } } } }
/** Model check a property. */ public Result check(Expression expr) throws PrismException { Modules2PTA m2pta; Result res; String resultString; long timer; // Starting model checking timer = System.currentTimeMillis(); // Check for system...endsystem - not supported yet if (modulesFile.getSystemDefn() != null) { throw new PrismException( "The system...endsystem construct is not supported yet (try the digital clocks engine instead)"); } // Translate ModulesFile object into a PTA object mainLog.println("\nBuilding PTA..."); m2pta = new Modules2PTA(prism, modulesFile); pta = m2pta.translate(); mainLog.println("\nPTA: " + pta.infoString()); // Check for references to clocks - not allowed (yet) // (do this before modifications below for better error reporting) expr.accept( new ASTTraverseModify() { public Object visit(ExpressionVar e) throws PrismLangException { if (e.getType() instanceof TypeClock) { throw new PrismLangException( "Properties cannot contain references to clocks (try the digital clocks engine instead)", e); } else { return e; } } }); // Take a copy of property, since will modify expr = expr.deepCopy(); // Remove property refs ands labels from property expr = (Expression) expr.expandPropRefsAndLabels(propertiesFile, labelList); // Evaluate constants in property (easier to do now) expr = (Expression) expr.replaceConstants(constantValues); // Also simplify expression to optimise model checking expr = (Expression) expr.simplify(); // Do model checking res = checkExpression(expr); // Model checking complete timer = System.currentTimeMillis() - timer; mainLog.println("\nModel checking completed in " + (timer / 1000.0) + " secs."); // Print result to log resultString = "Result"; if (!("Result".equals(expr.getResultName()))) resultString += " (" + expr.getResultName().toLowerCase() + ")"; resultString += ": " + res; mainLog.print("\n" + resultString + "\n"); // Return result return res; }