Search in sources :

Example 1 with AddFaultDriverVisitor

use of edu.umn.cs.crisys.safety.analysis.ast.visitors.AddFaultDriverVisitor in project AMASE by loonwerks.

the class FaultsVerifyAllHandler method doFaultPropagationInjection.

protected Program doFaultPropagationInjection(JKindResult result, Program program) {
    List<JKindResult> childVerifications = getChildContractResults(result);
    // com.rockwellcollins.atc.agree.analysis.VerifyHandler#wrapVerificationResult(ComponentInstance, CompositeAnalysisResult)
    if ("Contract Guarantees".equals(result.getName())) {
        for (JKindResult childResult : childVerifications) {
            AgreeRenaming childRenaming = (AgreeRenaming) linker.getRenaming(childResult);
            for (PropertyResult propertyResult : childResult.getPropertyResults()) {
                // where it is protected and we need to duplicate the literal here.
                if (propertyResult.getProperty() instanceof InvalidProperty && childRenaming.getRefMap().get(propertyResult.getProperty().getName()) instanceof GuaranteeStatement) {
                    String guaranteeName = propertyResult.getProperty().getName();
                    String lustreVarName = childRenaming.getLustreNameFromAgreeVar(guaranteeName);
                    // WARNING: Here we assume that the subnode id of interest is named as given below.
                    // We need to introduce this literal "_TOP__" here because the computation is hidden in AGREE
                    // literals in com.rockwellcollins.atc.agree.analysis.LustreAstBuilder#getAssumeGuaranteeLustreProgram(AgreeProgram)
                    // WARNING: the string literal "Verification for " in the line below needs to match that in
                    // com.rockwellcollins.atc.agree.analysis.handlers.VerifyHandler#runJob(Element, IProgressMonitor) and
                    // com.rockwellcollins.atc.agree.analysis.handlers.VerifyHandler#buildAnalysisResult(String, ComponentInstance)
                    String subnodeName = "_TOP__" + childResult.getParent().getName().replaceFirst("Verification for ", "");
                    // TODO: The string concatenation is also done in the AddFaultDriverVisitor; unify them
                    program = new AddFaultDriverVisitor(subnodeName, lustreVarName).visit(program);
                } else if (propertyResult.getProperty() instanceof ValidProperty && propertyResult.getProperty().getName().contains(childRenaming.forceRename(AddPairwiseFaultDriverWitnesses.FAULT_DRIVER_PAIR_WITNESS_BASENAME)) && pairwiseFaultDriverProperties.containsKey(childResult) && pairwiseFaultDriverProperties.get(childResult).containsKey(propertyResult.getName()) && // invalidated and have corresponding fault drivers that are present in this verification
                pairwiseFaultDriverProperties.get(childResult).get(propertyResult.getName()).entrySet().stream().allMatch(e -> {
                    PropertyResult p = childResult.getPropertyResult(childRenaming.rename(e.getKey()));
                    return (p != null) ? p.getProperty() instanceof InvalidProperty : false;
                })) {
                    program = new AddFaultDriverGuardAssertionVisitor(program.main, pairwiseFaultDriverProperties.get(childResult).get(propertyResult.getName()).values().stream().collect(Collectors.toList())).visit(program);
                }
            }
        }
        /* If not the top analysis, that is the parent of the composite parent of the composite parent of this result is not null */
        if (result.getParent().getParent().getParent() != null) {
            Map<PropertyResult, String> accumulatedGuarantees = Maps.newLinkedHashMap();
            for (PropertyResult propertyResult : result.getPropertyResults()) {
                AgreeRenaming renaming = (AgreeRenaming) linker.getRenaming(result);
                if (renaming.getRefMap().get(propertyResult.getName()) instanceof GuaranteeStatement) {
                    String guaranteeName = propertyResult.getName();
                    String lustreVarName = renaming.getLustreNameFromAgreeVar(guaranteeName);
                    accumulatedGuarantees.put(propertyResult, lustreVarName);
                }
            }
            AddPairwiseFaultDriverWitnesses pairwiseFaultVisitor = new AddPairwiseFaultDriverWitnesses(Lists.newArrayList(accumulatedGuarantees.values()));
            program = pairwiseFaultVisitor.visit(program);
            result.addProperties(pairwiseFaultVisitor.getProperties());
            // WARNING: the string literal "Verification for " in the line below needs to match that in
            // com.rockwellcollins.atc.agree.analysis.handlers.VerifyHandler#runJob(Element, IProgressMonitor) and
            // com.rockwellcollins.atc.agree.analysis.handlers.VerifyHandler#buildAnalysisResult(String, ComponentInstance)
            // TODO: the concatenation of nodeName with fault driver is done elsewhere too, unify
            String nodeName = "_TOP__" + result.getParent().getName().replaceFirst("Verification for ", "");
            pairwiseFaultDriverProperties.put(result, pairwiseFaultVisitor.getPairwiseWitnesses().entrySet().stream().collect(Collectors.toMap(e -> ((AgreeRenaming) linker.getRenaming(result)).forceRename(e.getKey()), e -> e.getValue().stream().collect(Collectors.toMap(id -> id, id -> nodeName + AddFaultDriverVisitor.getFaultDriverId(id))))));
        }
    }
    return program;
}
Also used : GuaranteeStatement(com.rockwellcollins.atc.agree.agree.GuaranteeStatement) AgreeRenaming(com.rockwellcollins.atc.agree.analysis.AgreeRenaming) ValidProperty(jkind.results.ValidProperty) AddFaultDriverGuardAssertionVisitor(edu.umn.cs.crisys.safety.analysis.ast.visitors.AddFaultDriverGuardAssertionVisitor) AddFaultDriverVisitor(edu.umn.cs.crisys.safety.analysis.ast.visitors.AddFaultDriverVisitor) InvalidProperty(jkind.results.InvalidProperty) PropertyResult(jkind.api.results.PropertyResult) AddPairwiseFaultDriverWitnesses(edu.umn.cs.crisys.safety.analysis.ast.visitors.AddPairwiseFaultDriverWitnesses) SafetyJKindResult(edu.umn.cs.crisys.safety.analysis.results.SafetyJKindResult) JKindResult(jkind.api.results.JKindResult)

Aggregations

GuaranteeStatement (com.rockwellcollins.atc.agree.agree.GuaranteeStatement)1 AgreeRenaming (com.rockwellcollins.atc.agree.analysis.AgreeRenaming)1 AddFaultDriverGuardAssertionVisitor (edu.umn.cs.crisys.safety.analysis.ast.visitors.AddFaultDriverGuardAssertionVisitor)1 AddFaultDriverVisitor (edu.umn.cs.crisys.safety.analysis.ast.visitors.AddFaultDriverVisitor)1 AddPairwiseFaultDriverWitnesses (edu.umn.cs.crisys.safety.analysis.ast.visitors.AddPairwiseFaultDriverWitnesses)1 SafetyJKindResult (edu.umn.cs.crisys.safety.analysis.results.SafetyJKindResult)1 JKindResult (jkind.api.results.JKindResult)1 PropertyResult (jkind.api.results.PropertyResult)1 InvalidProperty (jkind.results.InvalidProperty)1 ValidProperty (jkind.results.ValidProperty)1