@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;
}
