Examples with UnknownProperty jkind.results.UnknownProperty used on opensource projects

Example 1 with UnknownProperty

use of jkind.results.UnknownProperty in project AGREE by loonwerks.

the class CounterexampleLoaderHelper method receiveCex.

public void receiveCex(final ComponentImplementation compImpl, Property property, EObject agreeProperty, final Counterexample cex, final Map<String, EObject> refMap, final Mode mode) {
    // Launch the simulation
    final SimulationService simulationService = Objects.requireNonNull(PlatformUI.getWorkbench().getActiveWorkbenchWindow().getService(SimulationService.class), "Unable to retrieve simulation service");
    final SimulationLaunchShortcut launchShortcut = new SimulationLaunchShortcut();
    try {
        final boolean isInductiveCex = property instanceof UnknownProperty;
        final ILaunch launch = launchShortcut.launch(compImpl, (isInductiveCex ? mode.inductiveEngineTypeId : mode.engineTypeId), ILaunchManager.RUN_MODE);
        // Get the simulation engine
        final SimulationEngine simulationEngine = getSimulationEngine(launch);
        if (simulationEngine instanceof AGREESimulationEngine) {
            final AGREESimulationEngine agreeSimulationEngine = (AGREESimulationEngine) simulationEngine;
            final SimulationUIService simulationUIService = Objects.requireNonNull(PlatformUI.getWorkbench().getActiveWorkbenchWindow().getService(SimulationUIService.class), "Unable to retrieve simulation UI service");
            final Map<String, Object> signalNameToSimStateElementMap = buildAgreeNameToSimulationStateElementMap(agreeSimulationEngine);
            simulateCounterexample(cex, 0, signalNameToSimStateElementMap, agreeSimulationEngine, simulationService, simulationUIService);
        }
    } catch (final Exception e) {
        simulationService.getExceptionHandler().handleException(e);
    }
}

Example 2 with UnknownProperty

use of jkind.results.UnknownProperty in project AGREE by loonwerks.

the class Simulation method executeFrame.

private SimulationFrameResults executeFrame(final List<Expr> assertions, final Set<SimulationProperty> disabledProperties) throws InterruptedException {
    assert assertions != null;
    // Build the final constrained lustre specification for the frame.
    final ProgramBuilder programBuilder = new ProgramBuilder(program.getLustreProgram());
    programBuilder.clearNodes();
    final NodeBuilder nodeBuilder = new NodeBuilder(program.getLustreProgram().getMainNode());
    // Add assignments for the sim assertions signal
    // Actual assertions are not used because they can result in an inconsistent Lustre program which will prevent
    // the set of support from being generated when using yices.
    Expr prevSimAssertionExpr = new BoolExpr(true);
    for (int assertionIndex = 0; assertionIndex < assertions.size(); assertionIndex++) {
        final String simAssertionSignalId = CreateSimulationGuarantee.SIMULATION_ASSERTIONS_ID + assertionIndex;
        final IdExpr simAssertionExpr = new IdExpr(simAssertionSignalId);
        nodeBuilder.addLocal(new VarDecl(simAssertionSignalId, NamedType.BOOL));
        nodeBuilder.addEquation(new Equation(simAssertionExpr, new BinaryExpr(prevSimAssertionExpr, BinaryOp.AND, assertions.get(assertionIndex))));
        prevSimAssertionExpr = simAssertionExpr;
    }
    nodeBuilder.addEquation(new Equation(new IdExpr(CreateSimulationGuarantee.SIMULATION_ASSERTIONS_ID), prevSimAssertionExpr));
    // Add assignments for property enablement variables
    for (final SimulationProperty simProp : program.getSimulationProperties()) {
        if (simProp.getEnablementVariableId() != null) {
            nodeBuilder.addEquation(new Equation(new IdExpr(simProp.getEnablementVariableId()), new BoolExpr(disabledProperties.contains(simProp) ? false : true)));
        }
    }
    // Build the lustre program for the frame
    programBuilder.addNode(nodeBuilder.build());
    final Program constrainedLustreProgram = programBuilder.build();
    // Prepare to execute JKind
    final KindApi api = PreferencesUtil.getKindApi();
    // Enable IVC Reduction capability if using JKind
    if (api instanceof JKindApi) {
        final JKindApi jkindApi = (JKindApi) api;
        jkindApi.setIvcReduction();
    }
    // Execute JKind
    final JKindResult result = new JKindResult("Simulation");
    // Lucas: This seems to be needed. If we do not add properties to the result explicitly,
    // it looks like the result will grab the main property name with the main node prepended.
    // This is causing an error when retrieving the property result in the
    // if/then/else block structure below.
    constrainedLustreProgram.getMainNode().properties.forEach(p -> result.addProperty(p));
    System.out.println(constrainedLustreProgram.toString());
    try {
        final IProgressMonitor currentMonitor = new NullProgressMonitor();
        api.execute(constrainedLustreProgram, result, currentMonitor);
        // Create a model state from the results.
        String simulationGuaranteeId = CreateSimulationGuarantee.SIMULATION_GUARANTEE_ID;
        final PropertyResult propertyResult = result.getPropertyResult(simulationGuaranteeId);
        final Property property = propertyResult.getProperty();
        if (property == null) {
            throw new AGREESimulatorException("Unexpected case. Unable to read property results", constrainedLustreProgram);
        } else if (property instanceof InvalidProperty) {
            final InvalidProperty invalidProperty = (InvalidProperty) property;
            final Counterexample counterexample = invalidProperty.getCounterexample();
            if (counterexample.getLength() != 1) {
                throw new AGREESimulatorException("Unexpected case. Counterexample has " + counterexample.getLength() + " steps", constrainedLustreProgram);
            }
            SimulationState newState = SimulationState.WAITING_FOR_COMMANDS;
            // and a counterexample will not have been generated. This should only occur when a disabled property, lemma, top-level guarantee, or a non-top-level assumption is false.
            for (final SimulationProperty simulationProp : program.getSimulationProperties()) {
                if (!disabledProperties.contains(simulationProp)) {
                    for (final String propLustreId : simulationProp.getLustreIds()) {
                        final Signal<BooleanValue> signal = counterexample.getBooleanSignal(propLustreId);
                        if (signal == null) {
                            throw new AGREESimulatorException("Unable to get signal for guarantee property: " + propLustreId, constrainedLustreProgram);
                        } else {
                            if (!signal.getValue(0).value) {
                                newState = SimulationState.WARNING_PROPERTY_NOT_SATISFIED;
                                break;
                            }
                        }
                    }
                }
            }
            return new SimulationFrameResults(constrainedLustreProgram, counterexample, disabledProperties, newState);
        } else if (property instanceof UnknownProperty) {
            return new SimulationFrameResults(constrainedLustreProgram, assertions, disabledProperties, SimulationState.HALTED_UNABLE_TO_SATISFY_CONSTRAINTS);
        } else if (property instanceof ValidProperty) {
            return new SimulationFrameResults(constrainedLustreProgram, assertions, disabledProperties, ((ValidProperty) property).getIvc(), SimulationState.HALTED_UNABLE_TO_SATISFY_CONSTRAINTS);
        } else {
            throw new AGREESimulatorException("Unhandled case. Property is of type: " + property.getClass(), constrainedLustreProgram);
        }
    } catch (JKindException ex) {
        if (ex.getCause() instanceof InterruptedException) {
            throw (InterruptedException) ex.getCause();
        }
        throw new AGREESimulatorException(constrainedLustreProgram, ex, result.getText());
    }
}