private VCProver setUpOldProver(VerificationCondition vc) {
BlindIterativeRuleChooser baseChooser =
// new BlindIterativeRuleChooser(myTyper);
new UpfrontFitnessSortRuleChooser(myTyper, new SimpleFitnessFunction(), 0);
baseChooser.addRules(myTheoremNames, myTheorems);
baseChooser.lock(vc);
vc.simplify();
MultiStrategyProver p = new MultiStrategyProver();
SingleStrategyProver slaveProver =
new SingleStrategyProver(
new LengthLimitedProvider(baseChooser, 2),
false,
0,
myImplications,
myTyper,
myInstanceEnvironment);
p.addStrategy(slaveProver);
slaveProver =
new SingleStrategyProver(
new LengthLimitedProvider(baseChooser, 3),
false,
3,
myImplications,
myTyper,
myInstanceEnvironment);
p.addStrategy(slaveProver);
return p;
}
private VCProver setUpOldProverDebug(VerificationCondition vc) {
vc.simplify();
GuidedRuleChooser chooser = new GuidedRuleChooser(myTyper);
chooser.addRules(myTheoremNames, myTheorems);
SingleStrategyProver slaveProver =
new SingleStrategyProver(chooser, false, 0, myImplications, myTyper, myInstanceEnvironment);
return slaveProver;
}
/**
* Attempts to prove a single VC. If this method returns without throwing an exception, then the
* VC was proved.
*
* @param vC The verification condition to be proved. May not be <code>null</code>.
* @param theorems A list of theorems that may be applied as part of the proof. May not be <code>
* null</code>.
* @param maxDepth The maximum number of steps the prover should attempt before giving up on a
* proof.
* @param metrics A reference to the metrics the prover should keep on the proof in progress. May
* not be <code>null</code>.
* @param p The prover to be used if we're using the new prover, or <code>null</code> if we're
* supposed to use to legacy prover.
* @throws UnableToProveException If the VC cannot be proved in a reasonable amount of time.
* @throws VCInconsistentException If the VC can be proved inconsistent.
* @throws NullPointerException If <code>vC</code>, <code>theorems</code>, or <code>metrics</code>
* is <code>null</code>.
*/
private void proveVC(
final VerificationCondition vC, final Metrics metrics, FileWriter proofFile, VCProver p)
throws VCInconsistentException {
if (myInstanceEnvironment.flags.isFlagSet(FLAG_VERBOSE)) {
System.out.println("\n\n############################# VC " + "#############################");
System.out.println(vC);
}
long startTime = System.currentTimeMillis();
vC.propagateExpansionsInPlace();
ProverException exitInformation = null;
ActionCanceller c = new ActionCanceller();
if (!myInstanceEnvironment.flags.isFlagSet(FLAG_NOGUI)) {
myProgressWindow.setTitle("VC " + vC.getName());
myProgressWindow.setActionCanceller(c);
}
if (p == null) {
if (myInstanceEnvironment.flags.isFlagSet(FLAG_DEBUG)) {
p = setUpOldProverDebug(vC);
} else {
p = setUpOldProver(vC);
}
}
if (myInstanceEnvironment.flags.isFlagSet(ResolveCompiler.FLAG_WEB)) {
output.append("<vcProve id=\"" + vC.getName() + "\">");
} else {
output.append(vC.getName() + " ");
}
// System.out.print(vC.getName() + " ");
try {
p.prove(vC.copy(), myProgressWindow, c, System.currentTimeMillis() + TIMEOUT);
} catch (UnableToProveException e) {
exitInformation = e;
output.append("Skipped after ");
// System.out.print("Skipped after ");
allProved = false;
if (proofFile != null) {
try {
proofFile.append(vC.getName() + " failed.\n\n");
} catch (IOException ex) {
}
}
} catch (VCProvedException e) {
exitInformation = e;
output.append("Proved in ");
// System.out.print("Proved in ");
if (proofFile != null) {
try {
proofFile.append(vC.getName() + " succeeded.\n\n");
proofFile.append(e.toString());
} catch (IOException ex) {
}
}
}
printExitReport(startTime, exitInformation);
if (myInstanceEnvironment.flags.isFlagSet(ResolveCompiler.FLAG_WEB)) {
output.append("</vcProve>");
myInstanceEnvironment.getCompileReport().setProveVCs(output.toString());
}
}