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EvaluationTests.cs
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EvaluationTests.cs
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using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using ISSE.SafetyChecking;
using ISSE.SafetyChecking.DiscreteTimeMarkovChain;
using ISSE.SafetyChecking.ExecutableModel;
using ISSE.SafetyChecking.Formula;
using ISSE.SafetyChecking.Modeling;
using NUnit.Framework;
using SafetyLustre;
namespace Lustre_Models
{
class EvaluationTests
{
private ExecutableModelCreator<LustreExecutableModel> _createModel;
private Formula _invariant = new LustrePressureBelowThreshold();
private Formula _hazard = new UnaryFormula(new LustrePressureBelowThreshold(), UnaryOperator.Not);
private Fault[] _faults;
public EvaluationTests()
{
Program.ocExaplesPath = Directory.GetCurrentDirectory() + "\\";
LustrePressureBelowThreshold.threshold = 60;
var faultK1 = new PermanentFault() { Name = "fault_k1", Identifier = 1, ProbabilityOfOccurrence = new Probability(3.0E-6) };
var faultK2 = new PermanentFault() { Name = "fault_k2", Identifier = 2, ProbabilityOfOccurrence = new Probability(3.0E-6) };
var faultSensor = new PermanentFault() { Name = "fault_sensor", Identifier = 4, ProbabilityOfOccurrence = new Probability(1.0E-5) };
_faults = new[] { faultK1, faultK2, faultSensor };
_createModel = LustreExecutableModel.CreateExecutedModelFromFormulasCreator("pressureTank", _faults);
}
[Test]
public void CreateMarkovChainWithFalseFormula()
{
var markovChainGenerator = new MarkovChainFromExecutableModelGenerator<LustreExecutableModel>(_createModel) { Configuration = LustreModelChecker.TraversalConfiguration };
markovChainGenerator.Configuration.SuccessorCapacity *= 2;
markovChainGenerator.AddFormulaToCheck(new BinaryFormula(_invariant, BinaryOperator.And,
new UnaryFormula(_invariant, UnaryOperator.Not)));
markovChainGenerator.Configuration.UseCompactStateStorage = true;
var markovChain = markovChainGenerator.GenerateMarkovChain();
}
[Test]
public void CreateMarkovChainWithHazards()
{
var markovChainGenerator = new MarkovChainFromExecutableModelGenerator<LustreExecutableModel>(_createModel) { Configuration = LustreModelChecker.TraversalConfiguration };
markovChainGenerator.Configuration.SuccessorCapacity *= 2;
markovChainGenerator.AddFormulaToCheck(_hazard);
markovChainGenerator.Configuration.UseCompactStateStorage = true;
var markovChain = markovChainGenerator.GenerateMarkovChain();
}
[Test]
public void CreateMarkovChainWithHazardRetraversal1()
{
var markovChainGenerator = new MarkovChainFromExecutableModelGenerator<LustreExecutableModel>(_createModel) { Configuration = LustreModelChecker.TraversalConfiguration };
markovChainGenerator.Configuration.SuccessorCapacity *= 2;
markovChainGenerator.AddFormulaToCheck(_hazard);
markovChainGenerator.Configuration.UseCompactStateStorage = true;
markovChainGenerator.Configuration.UseAtomarPropositionsAsStateLabels = true;
var markovChain = markovChainGenerator.GenerateLabeledMarkovChain();
var retraversalMarkovChainGenerator = new MarkovChainFromMarkovChainGenerator(markovChain);
retraversalMarkovChainGenerator.Configuration.SuccessorCapacity *= 2;
retraversalMarkovChainGenerator.AddFormulaToCheck(_hazard);
retraversalMarkovChainGenerator.Configuration.UseCompactStateStorage = true;
retraversalMarkovChainGenerator.Configuration.UseAtomarPropositionsAsStateLabels = true;
retraversalMarkovChainGenerator.GenerateLabeledMarkovChain();
}
[Test]
public void CreateMarkovChainWithHazardsRetraversal2()
{
var markovChainGenerator = new MarkovChainFromExecutableModelGenerator<LustreExecutableModel>(_createModel) { Configuration = LustreModelChecker.TraversalConfiguration };
markovChainGenerator.Configuration.SuccessorCapacity *= 2;
markovChainGenerator.AddFormulaToCheck(_hazard);
markovChainGenerator.Configuration.UseCompactStateStorage = true;
markovChainGenerator.Configuration.UseAtomarPropositionsAsStateLabels = false;
var markovChain = markovChainGenerator.GenerateLabeledMarkovChain();
var retraversalMarkovChainGenerator = new MarkovChainFromMarkovChainGenerator(markovChain);
retraversalMarkovChainGenerator.Configuration.SuccessorCapacity *= 2;
retraversalMarkovChainGenerator.AddFormulaToCheck(_hazard);
retraversalMarkovChainGenerator.Configuration.UseCompactStateStorage = true;
retraversalMarkovChainGenerator.Configuration.UseAtomarPropositionsAsStateLabels = false;
retraversalMarkovChainGenerator.GenerateLabeledMarkovChain();
}
[Test]
public void CreateMarkovChainWithHazardFaultsInState()
{
var markovChainGenerator = new MarkovChainFromExecutableModelGenerator<LustreExecutableModel>(_createModel) { Configuration = LustreModelChecker.TraversalConfiguration };
markovChainGenerator.Configuration.SuccessorCapacity *= 2;
markovChainGenerator.AddFormulaToCheck(_hazard);
foreach (var fault in _faults)
{
var faultFormula = new FaultFormula(fault);
markovChainGenerator.AddFormulaToCheck(faultFormula);
markovChainGenerator.AddFormulaToPlainlyIntegrateIntoStateSpace(faultFormula);
}
markovChainGenerator.Configuration.UseCompactStateStorage = true;
var markovChain = markovChainGenerator.GenerateMarkovChain();
}
[Test]
public void CreateFaultAwareMarkovChainAllFaults()
{
var markovChainGenerator = new MarkovChainFromExecutableModelGenerator<LustreExecutableModel>(_createModel) { Configuration = LustreModelChecker.TraversalConfiguration };
markovChainGenerator.Configuration.SuccessorCapacity *= 2;
markovChainGenerator.Configuration.EnableStaticPruningOptimization = false;
markovChainGenerator.AddFormulaToCheck(_hazard);
foreach (var fault in _faults)
{
var faultFormula = new FaultFormula(fault);
markovChainGenerator.AddFormulaToCheck(faultFormula);
}
markovChainGenerator.Configuration.UseCompactStateStorage = true;
var markovChain = markovChainGenerator.GenerateMarkovChain();
}
[Test]
public void CalculateHazardSingleCore()
{
LustreModelChecker.TraversalConfiguration.CpuCount = 1;
var result = LustreModelChecker.CalculateProbabilityToReachStateBounded("pressureTank", _faults, _hazard, 25);
LustreModelChecker.TraversalConfiguration.CpuCount = Int32.MaxValue;
Console.Write($"Probability of hazard: {result}");
}
[Test]
public void CalculateHazardWithoutEarlyTermination()
{
LustreModelChecker.TraversalConfiguration.EnableEarlyTermination = false;
var result = LustreModelChecker.CalculateProbabilityToReachStateBounded("pressureTank", _faults, _hazard, 25);
LustreModelChecker.TraversalConfiguration.EnableEarlyTermination = true;
Console.Write($"Probability of hazard: {result}");
}
}
}