public void CalculateHazardSingleCoreAllFaults()
{
var model = Model.CreateOriginal();
SetProbabilities(model);
var createModel = SafetySharpRuntimeModel.CreateExecutedModelFromFormulasCreator(model);
var markovChainGenerator = new MarkovChainFromExecutableModelGenerator <SafetySharpRuntimeModel>(createModel)
{
Configuration = SafetySharpModelChecker.TraversalConfiguration
};
markovChainGenerator.Configuration.SuccessorCapacity *= 2;
markovChainGenerator.Configuration.EnableStaticPruningOptimization = false;
markovChainGenerator.Configuration.CpuCount = 1;
markovChainGenerator.Configuration.ModelCapacity = new ModelCapacityByModelSize(3300000L, 1000000000L);
foreach (var fault in model.Faults)
{
var faultFormula = new FaultFormula(fault);
markovChainGenerator.AddFormulaToCheck(faultFormula);
}
markovChainGenerator.AddFormulaToCheck(new BoundedUnaryFormula(model.Collision, UnaryOperator.Finally, 50));
markovChainGenerator.AddFormulaToCheck(new BoundedUnaryFormula(model.FalseAlarm, UnaryOperator.Finally, 50));
markovChainGenerator.Configuration.UseCompactStateStorage = true;
markovChainGenerator.Configuration.EnableEarlyTermination = false;
var markovChain = markovChainGenerator.GenerateMarkovChain();
}
public void CreateFaultAwareMarkovChainAllFaults()
{
var model = new Model();
SetProbabilities(model);
var createModel = SafetySharpRuntimeModel.CreateExecutedModelFromFormulasCreator(model);
var markovChainGenerator = new MarkovChainFromExecutableModelGenerator <SafetySharpRuntimeModel>(createModel)
{
Configuration = SafetySharpModelChecker.TraversalConfiguration
};
markovChainGenerator.Configuration.SuccessorCapacity *= 2;
markovChainGenerator.Configuration.EnableStaticPruningOptimization = false;
markovChainGenerator.Configuration.EnableEarlyTermination = false;
foreach (var fault in model.Faults)
{
var faultFormula = new FaultFormula(fault);
markovChainGenerator.AddFormulaToCheck(faultFormula);
}
markovChainGenerator.AddFormulaToCheck(new BoundedUnaryFormula(model.BloodNotCleanedAndDialyzingFinished, UnaryOperator.Finally, 6));
markovChainGenerator.AddFormulaToCheck(new BoundedUnaryFormula(model.IncomingBloodWasNotOk, UnaryOperator.Finally, 6));
markovChainGenerator.Configuration.UseCompactStateStorage = true;
var markovChain = markovChainGenerator.GenerateMarkovChain();
}
public void CalculateMdpNewStatesConstant()
{
var model = new DeadReckoningModel();
model.Component.FF.ProbabilityOfOccurrence = null;
var createModel = SafetySharpRuntimeModel.CreateExecutedModelFromFormulasCreator(model);
var markovChainGenerator = new MarkovDecisionProcessFromExecutableModelGenerator <SafetySharpRuntimeModel>(createModel)
{
Configuration = SafetySharpModelChecker.TraversalConfiguration
};
markovChainGenerator.Configuration.SuccessorCapacity *= 2;
markovChainGenerator.Configuration.EnableStaticPruningOptimization = false;
markovChainGenerator.Configuration.LtmdpModelChecker = LtmdpModelChecker.BuildInMdpWithNewStates;
markovChainGenerator.AddFormulaToCheck(model.Component.Hazard);
foreach (var fault in model.Faults)
{
var faultFormula = new FaultFormula(fault);
markovChainGenerator.AddFormulaToCheck(faultFormula);
}
markovChainGenerator.Configuration.UseCompactStateStorage = true;
markovChainGenerator.Configuration.EnableEarlyTermination = false;
var nmdp = markovChainGenerator.GenerateNestedMarkovDecisionProcess();
var nmdpToMpd = new NmdpToMdpByNewStates(nmdp, markovChainGenerator.Configuration.DefaultTraceOutput, true);
}
public void CalculateMdpFlattened()
{
var model = new DegradedModeModel();
model.System.SignalDetector1.F1.ProbabilityOfOccurrence = null;
var createModel = SafetySharpRuntimeModel.CreateExecutedModelFromFormulasCreator(model);
var markovChainGenerator = new MarkovDecisionProcessFromExecutableModelGenerator <SafetySharpRuntimeModel>(createModel)
{
Configuration = SafetySharpModelChecker.TraversalConfiguration
};
markovChainGenerator.Configuration.SuccessorCapacity *= 2;
markovChainGenerator.Configuration.EnableStaticPruningOptimization = false;
markovChainGenerator.Configuration.LtmdpModelChecker = LtmdpModelChecker.BuildInMdpWithNewStates;
markovChainGenerator.AddFormulaToCheck(model.System.HazardActive);
foreach (var fault in model.Faults)
{
var faultFormula = new FaultFormula(fault);
markovChainGenerator.AddFormulaToCheck(faultFormula);
}
markovChainGenerator.Configuration.UseCompactStateStorage = true;
markovChainGenerator.Configuration.EnableEarlyTermination = false;
var nmdp = markovChainGenerator.GenerateNestedMarkovDecisionProcess();
var nmdpToMpd = new NmdpToMdpByFlattening(nmdp);
}
public void CalculateMdpFlattened()
{
var model = new Model();
SetProbabilities(model);
model.Channel.MessageDropped.ProbabilityOfOccurrence = null;
var createModel = SafetySharpRuntimeModel.CreateExecutedModelFromFormulasCreator(model);
var markovChainGenerator = new MarkovDecisionProcessFromExecutableModelGenerator <SafetySharpRuntimeModel>(createModel)
{
Configuration = SafetySharpModelChecker.TraversalConfiguration
};
markovChainGenerator.Configuration.SuccessorCapacity *= 2;
markovChainGenerator.Configuration.ModelCapacity = new ModelCapacityByModelSize(3300000L, 1000000000L);
markovChainGenerator.Configuration.EnableStaticPruningOptimization = false;
markovChainGenerator.Configuration.LtmdpModelChecker = LtmdpModelChecker.BuildInMdpWithNewStates;
markovChainGenerator.AddFormulaToCheck(model.PossibleCollision);
foreach (var fault in model.Faults)
{
var faultFormula = new FaultFormula(fault);
markovChainGenerator.AddFormulaToCheck(faultFormula);
}
markovChainGenerator.Configuration.UseCompactStateStorage = true;
markovChainGenerator.Configuration.EnableEarlyTermination = false;
var nmdp = markovChainGenerator.GenerateNestedMarkovDecisionProcess();
var nmdpToMpd = new NmdpToMdpByFlattening(nmdp);
}
public void Simulate()
{
var model = new ExampleModelBase();
var tc = SafetySharpModelChecker.TraversalConfiguration;
tc.AllowFaultsOnInitialTransitions = false;
tc.UseOptionProbabilitiesInSimulation = false;
SafetySharpProbabilisticSimulator.Configuration = tc;
var is3Formula = new ExecutableStateFormula(() => model.ModelComponent.Value == 3);
var f1Formula = new FaultFormula(model.ModelComponent.F1);
var loopRequestBugFormula = new ExecutableStateFormula(() => model.ModelComponent.LoopRequestBug);
SafetySharpProbabilisticSimulator simulator = new SafetySharpProbabilisticSimulator(model, is3Formula, f1Formula, loopRequestBugFormula);
for (var i = 0; i < 100; i++)
{
simulator.SimulateSteps(5);
var noIs3 = simulator.GetCountOfSatisfiedOnTrace(is3Formula);
var noF1 = simulator.GetCountOfSatisfiedOnTrace(f1Formula);
var probabilityOfTrace = simulator.TraceProbability;
Console.WriteLine($"No of Is3: {noIs3}");
Console.WriteLine($"No of f1 {noF1}: {noF1}");
Console.WriteLine($"Probability of trace: {probabilityOfTrace}");
Console.WriteLine();
}
}
public void CalculateHazardSingleCoreAllFaults()
{
var model = new Model();
SetProbabilities(model);
var createModel = SafetySharpRuntimeModel.CreateExecutedModelFromFormulasCreator(model);
var markovChainGenerator = new MarkovChainFromExecutableModelGenerator <SafetySharpRuntimeModel>(createModel)
{
Configuration = SafetySharpModelChecker.TraversalConfiguration
};
markovChainGenerator.Configuration.SuccessorCapacity *= 2;
markovChainGenerator.Configuration.EnableStaticPruningOptimization = false;
markovChainGenerator.Configuration.CpuCount = 1;
var formulaToCheck = new BoundedUnaryFormula(model.PossibleCollision, UnaryOperator.Finally, 50);
markovChainGenerator.AddFormulaToCheck(formulaToCheck);
foreach (var fault in model.Faults)
{
var faultFormula = new FaultFormula(fault);
markovChainGenerator.AddFormulaToCheck(faultFormula);
}
markovChainGenerator.Configuration.UseCompactStateStorage = true;
markovChainGenerator.Configuration.EnableEarlyTermination = false;
var markovChain = markovChainGenerator.GenerateLabeledMarkovChain();
using (var modelChecker = new ConfigurationDependentLtmcModelChecker(markovChainGenerator.Configuration, markovChain, markovChainGenerator.Configuration.DefaultTraceOutput))
{
var result = modelChecker.CalculateProbability(formulaToCheck);
Console.Write($"Probability of formulaToCheck: {result}");
}
}
public void CalculateLtmdpWithoutStaticPruningSingleCore()
{
var oldProbability = _faults[1].ProbabilityOfOccurrence;
_faults[1].ProbabilityOfOccurrence = null;
var markovChainGenerator = new MarkovDecisionProcessFromExecutableModelGenerator <LustreExecutableModel>(_createModel);
markovChainGenerator.Configuration.ModelCapacity = new ModelCapacityByModelSize(10000, 1000000);
markovChainGenerator.Configuration.SuccessorCapacity *= 2;
markovChainGenerator.Configuration.EnableStaticPruningOptimization = false;
markovChainGenerator.Configuration.LtmdpModelChecker = LtmdpModelChecker.BuiltInLtmdp;
markovChainGenerator.AddFormulaToCheck(_hazard);
var formulaToCheck = new BoundedUnaryFormula(_hazard, UnaryOperator.Finally, 25);
foreach (var fault in _faults)
{
var faultFormula = new FaultFormula(fault);
markovChainGenerator.AddFormulaToCheck(faultFormula);
}
markovChainGenerator.Configuration.UseCompactStateStorage = true;
markovChainGenerator.Configuration.EnableEarlyTermination = false;
markovChainGenerator.Configuration.CpuCount = 1;
var markovChain = markovChainGenerator.GenerateLabeledTransitionMarkovDecisionProcess();
_faults[1].ProbabilityOfOccurrence = oldProbability;
using (var modelChecker = new ConfigurationDependentLtmdpModelChecker(markovChainGenerator.Configuration, markovChain, markovChainGenerator.Configuration.DefaultTraceOutput))
{
var result = modelChecker.CalculateProbabilityRange(formulaToCheck);
Console.Write($"Probability of formulaToCheck: {result}");
}
}
public void CreateFaultAwareMarkovChainAllFaults()
{
var model = new Model();
SetProbabilities(model);
var createModel = SafetySharpRuntimeModel.CreateExecutedModelFromFormulasCreator(model);
var markovChainGenerator = new MarkovChainFromExecutableModelGenerator <SafetySharpRuntimeModel>(createModel)
{
Configuration = SafetySharpModelChecker.TraversalConfiguration
};
markovChainGenerator.Configuration.SuccessorCapacity *= 2;
markovChainGenerator.Configuration.EnableStaticPruningOptimization = false;
markovChainGenerator.AddFormulaToCheck(model.PossibleCollision);
foreach (var fault in model.Faults)
{
var faultFormula = new FaultFormula(fault);
markovChainGenerator.AddFormulaToCheck(faultFormula);
}
markovChainGenerator.Configuration.UseCompactStateStorage = true;
markovChainGenerator.Configuration.EnableEarlyTermination = false;
var markovChain = markovChainGenerator.GenerateMarkovChain();
}
public void CalculateMdpFlattened()
{
var oldProbability = _faults[1].ProbabilityOfOccurrence;
_faults[1].ProbabilityOfOccurrence = null;
var markovChainGenerator = new MarkovDecisionProcessFromExecutableModelGenerator <LustreExecutableModel>(_createModel);
markovChainGenerator.Configuration.ModelCapacity = new ModelCapacityByModelSize(10000, 1000000);
markovChainGenerator.Configuration.SuccessorCapacity *= 2;
markovChainGenerator.Configuration.EnableStaticPruningOptimization = false;
markovChainGenerator.Configuration.LtmdpModelChecker = LtmdpModelChecker.BuildInMdpWithFlattening;
markovChainGenerator.AddFormulaToCheck(_hazard);
foreach (var fault in _faults)
{
var faultFormula = new FaultFormula(fault);
markovChainGenerator.AddFormulaToCheck(faultFormula);
}
markovChainGenerator.Configuration.UseCompactStateStorage = true;
markovChainGenerator.Configuration.EnableEarlyTermination = false;
var nmdp = markovChainGenerator.GenerateNestedMarkovDecisionProcess();
var nmdpToMpd = new NmdpToMdpByFlattening(nmdp);
_faults[1].ProbabilityOfOccurrence = oldProbability;
}
public void CalculateHazardSingleCoreAllFaults()
{
var markovChainGenerator = new MarkovChainFromExecutableModelGenerator <LustreExecutableModel>(_createModel)
{
Configuration = LustreModelChecker.TraversalConfiguration
};
markovChainGenerator.Configuration.SuccessorCapacity *= 2;
markovChainGenerator.Configuration.EnableStaticPruningOptimization = false;
var formulaToCheck = new BoundedUnaryFormula(_hazard, UnaryOperator.Finally, 25);
markovChainGenerator.AddFormulaToCheck(_hazard);
foreach (var fault in _faults)
{
var faultFormula = new FaultFormula(fault);
markovChainGenerator.AddFormulaToCheck(faultFormula);
}
markovChainGenerator.Configuration.UseCompactStateStorage = true;
markovChainGenerator.Configuration.EnableEarlyTermination = false;
var markovChain = markovChainGenerator.GenerateLabeledMarkovChain();
using (var modelChecker = new ConfigurationDependentLtmcModelChecker(markovChainGenerator.Configuration, markovChain, markovChainGenerator.Configuration.DefaultTraceOutput))
{
var result = modelChecker.CalculateProbability(formulaToCheck);
Console.Write($"Probability of formulaToCheck: {result}");
}
}
public void CalculateLtmdpWithoutStaticPruning()
{
var model = new DeadReckoningModel();
model.Component.FF.ProbabilityOfOccurrence = null;
var createModel = SafetySharpRuntimeModel.CreateExecutedModelFromFormulasCreator(model);
var markovChainGenerator = new MarkovDecisionProcessFromExecutableModelGenerator <SafetySharpRuntimeModel>(createModel)
{
Configuration = SafetySharpModelChecker.TraversalConfiguration
};
markovChainGenerator.Configuration.SuccessorCapacity *= 2;
markovChainGenerator.Configuration.EnableStaticPruningOptimization = false;
markovChainGenerator.Configuration.LtmdpModelChecker = LtmdpModelChecker.BuiltInLtmdp;
markovChainGenerator.AddFormulaToCheck(model.Component.Hazard);
foreach (var fault in model.Faults)
{
var faultFormula = new FaultFormula(fault);
markovChainGenerator.AddFormulaToCheck(faultFormula);
}
markovChainGenerator.Configuration.UseCompactStateStorage = true;
markovChainGenerator.Configuration.EnableEarlyTermination = false;
var markovChain = markovChainGenerator.GenerateLabeledTransitionMarkovDecisionProcess();
}
public void CalculateMdpFlattened()
{
var model = new Model();
SetProbabilities(model);
model.HdMachine.Dialyzer.DialyzerMembraneRupturesFault.ProbabilityOfOccurrence = null;
var createModel = SafetySharpRuntimeModel.CreateExecutedModelFromFormulasCreator(model);
var markovChainGenerator = new MarkovDecisionProcessFromExecutableModelGenerator <SafetySharpRuntimeModel>(createModel)
{
Configuration = SafetySharpModelChecker.TraversalConfiguration
};
markovChainGenerator.Configuration.SuccessorCapacity *= 2;
markovChainGenerator.Configuration.EnableStaticPruningOptimization = false;
markovChainGenerator.Configuration.LtmdpModelChecker = LtmdpModelChecker.BuildInMdpWithNewStates;
markovChainGenerator.Configuration.EnableEarlyTermination = false;
markovChainGenerator.AddFormulaToCheck(new BoundedUnaryFormula(model.BloodNotCleanedAndDialyzingFinished, UnaryOperator.Finally, 6));
markovChainGenerator.AddFormulaToCheck(new BoundedUnaryFormula(model.IncomingBloodWasNotOk, UnaryOperator.Finally, 6));
foreach (var fault in model.Faults)
{
var faultFormula = new FaultFormula(fault);
markovChainGenerator.AddFormulaToCheck(faultFormula);
}
markovChainGenerator.Configuration.UseCompactStateStorage = true;
var nmdp = markovChainGenerator.GenerateNestedMarkovDecisionProcess();
var nmdpToMpd = new NmdpToMdpByFlattening(nmdp);
}
public Formula ToFormula()
{
var faultList = Faults.ToList();
Formula last = new FaultFormula(faultList.Last());
for (var i = faultList.Count - 2; i >= 0; i--)
{
var faultFormula = new FaultFormula(faultList[i]);
last = new BinaryFormula(faultFormula, BinaryOperator.And, last);
}
return(last);
}
public void CalculateLtmdpWithoutStaticPruningSingleCore()
{
var model = new Model();
SetProbabilities(model);
model.HdMachine.Dialyzer.DialyzerMembraneRupturesFault.ProbabilityOfOccurrence = null;
var createModel = SafetySharpRuntimeModel.CreateExecutedModelFromFormulasCreator(model);
var markovChainGenerator = new MarkovDecisionProcessFromExecutableModelGenerator <SafetySharpRuntimeModel>(createModel)
{
Configuration = SafetySharpModelChecker.TraversalConfiguration
};
markovChainGenerator.Configuration.SuccessorCapacity *= 2;
markovChainGenerator.Configuration.EnableStaticPruningOptimization = false;
markovChainGenerator.Configuration.LtmdpModelChecker = LtmdpModelChecker.BuiltInLtmdp;
markovChainGenerator.Configuration.EnableEarlyTermination = false;
var unsuccessful = new UnaryFormula(model.BloodNotCleanedAndDialyzingFinished, UnaryOperator.Finally);
var contamination = new UnaryFormula(model.IncomingBloodWasNotOk, UnaryOperator.Finally);
markovChainGenerator.AddFormulaToCheck(unsuccessful);
markovChainGenerator.AddFormulaToCheck(contamination);
foreach (var fault in model.Faults)
{
var faultFormula = new FaultFormula(fault);
markovChainGenerator.AddFormulaToCheck(faultFormula);
}
markovChainGenerator.Configuration.UseCompactStateStorage = true;
markovChainGenerator.Configuration.CpuCount = 1;
var markovChain = markovChainGenerator.GenerateLabeledTransitionMarkovDecisionProcess();
using (var modelChecker = new ConfigurationDependentLtmdpModelChecker(markovChainGenerator.Configuration, markovChain, markovChainGenerator.Configuration.DefaultTraceOutput))
{
var result = modelChecker.CalculateProbabilityRange(unsuccessful);
Console.Write($"Probability of unsuccessful: {result}");
}
using (var modelChecker = new ConfigurationDependentLtmdpModelChecker(markovChainGenerator.Configuration, markovChain, markovChainGenerator.Configuration.DefaultTraceOutput))
{
var result = modelChecker.CalculateProbabilityRange(contamination);
Console.Write($"Probability of contamination: {result}");
}
}
public void CalculateHazardSingleCoreAllFaults()
{
var model = new Model();
SetProbabilities(model);
var createModel = SafetySharpRuntimeModel.CreateExecutedModelFromFormulasCreator(model);
var markovChainGenerator = new MarkovChainFromExecutableModelGenerator <SafetySharpRuntimeModel>(createModel)
{
Configuration = SafetySharpModelChecker.TraversalConfiguration
};
markovChainGenerator.Configuration.SuccessorCapacity *= 2;
markovChainGenerator.Configuration.CpuCount = 1;
markovChainGenerator.Configuration.EnableStaticPruningOptimization = false;
markovChainGenerator.Configuration.EnableEarlyTermination = false;
foreach (var fault in model.Faults)
{
var faultFormula = new FaultFormula(fault);
markovChainGenerator.AddFormulaToCheck(faultFormula);
}
var unsuccessful = new BoundedUnaryFormula(model.BloodNotCleanedAndDialyzingFinished, UnaryOperator.Finally, 6);
var contamination = new BoundedUnaryFormula(model.IncomingBloodWasNotOk, UnaryOperator.Finally, 6);
markovChainGenerator.AddFormulaToCheck(unsuccessful);
markovChainGenerator.AddFormulaToCheck(contamination);
markovChainGenerator.Configuration.UseCompactStateStorage = true;
var markovChain = markovChainGenerator.GenerateLabeledMarkovChain();
using (var modelChecker = new ConfigurationDependentLtmcModelChecker(markovChainGenerator.Configuration, markovChain, markovChainGenerator.Configuration.DefaultTraceOutput))
{
var result = modelChecker.CalculateProbability(unsuccessful);
Console.Write($"Probability of unsuccessful: {result}");
}
using (var modelChecker = new ConfigurationDependentLtmcModelChecker(markovChainGenerator.Configuration, markovChain, markovChainGenerator.Configuration.DefaultTraceOutput))
{
var result = modelChecker.CalculateProbability(contamination);
Console.Write($"Probability of contamination: {result}");
}
}
public void CreateFaultAwareMarkovChainAllFaults()
{
var markovChainGenerator = new MarkovChainFromExecutableModelGenerator <LustreExecutableModel>(_createModel)
{
Configuration = LustreModelChecker.TraversalConfiguration
};
markovChainGenerator.Configuration.ModelCapacity = new ModelCapacityByModelSize(10000, 1000000);
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;
markovChainGenerator.Configuration.EnableEarlyTermination = false;
var markovChain = markovChainGenerator.GenerateMarkovChain();
}
public void CalculateLtmdpWithoutStaticPruning()
{
var oldProbability = _faults[1].ProbabilityOfOccurrence;
_faults[1].ProbabilityOfOccurrence = null;
var markovChainGenerator = new MarkovDecisionProcessFromExecutableModelGenerator <LustreExecutableModel>(_createModel);
markovChainGenerator.Configuration.SuccessorCapacity *= 2;
markovChainGenerator.Configuration.EnableStaticPruningOptimization = false;
markovChainGenerator.Configuration.LtmdpModelChecker = LtmdpModelChecker.BuiltInLtmdp;
markovChainGenerator.AddFormulaToCheck(_hazard);
foreach (var fault in _faults)
{
var faultFormula = new FaultFormula(fault);
markovChainGenerator.AddFormulaToCheck(faultFormula);
}
markovChainGenerator.Configuration.UseCompactStateStorage = true;
markovChainGenerator.Configuration.EnableEarlyTermination = false;
var markovChain = markovChainGenerator.GenerateLabeledTransitionMarkovDecisionProcess();
_faults[1].ProbabilityOfOccurrence = oldProbability;
}
public void CalculateLtmdpWithoutStaticPruningSingleCore()
{
var model = new Model();
SetProbabilities(model);
model.Channel.MessageDropped.ProbabilityOfOccurrence = null;
var createModel = SafetySharpRuntimeModel.CreateExecutedModelFromFormulasCreator(model);
var markovChainGenerator = new MarkovDecisionProcessFromExecutableModelGenerator <SafetySharpRuntimeModel>(createModel)
{
Configuration = SafetySharpModelChecker.TraversalConfiguration
};
markovChainGenerator.Configuration.SuccessorCapacity *= 2;
markovChainGenerator.Configuration.ModelCapacity = new ModelCapacityByModelSize(3300000L, 1000000000L);
markovChainGenerator.Configuration.EnableStaticPruningOptimization = false;
markovChainGenerator.Configuration.LtmdpModelChecker = LtmdpModelChecker.BuiltInLtmdp;
markovChainGenerator.Configuration.CpuCount = 1;
var formulaToCheck = new BoundedUnaryFormula(model.PossibleCollision, UnaryOperator.Finally, 50);
markovChainGenerator.AddFormulaToCheck(formulaToCheck);
foreach (var fault in model.Faults)
{
var faultFormula = new FaultFormula(fault);
markovChainGenerator.AddFormulaToCheck(faultFormula);
}
markovChainGenerator.Configuration.UseCompactStateStorage = true;
markovChainGenerator.Configuration.EnableEarlyTermination = false;
var markovChain = markovChainGenerator.GenerateLabeledTransitionMarkovDecisionProcess();
using (var modelChecker = new ConfigurationDependentLtmdpModelChecker(markovChainGenerator.Configuration, markovChain, markovChainGenerator.Configuration.DefaultTraceOutput))
{
var result = modelChecker.CalculateProbabilityRange(formulaToCheck);
Console.Write($"Probability of formulaToCheck: {result}");
}
}
public void CalculateLtmdpWithoutStaticPruningSingleCore()
{
var model = new DegradedModeModel();
model.System.SignalDetector1.F1.ProbabilityOfOccurrence = null;
var createModel = SafetySharpRuntimeModel.CreateExecutedModelFromFormulasCreator(model);
var markovChainGenerator = new MarkovDecisionProcessFromExecutableModelGenerator <SafetySharpRuntimeModel>(createModel)
{
Configuration = SafetySharpModelChecker.TraversalConfiguration
};
markovChainGenerator.Configuration.SuccessorCapacity *= 2;
markovChainGenerator.Configuration.EnableStaticPruningOptimization = false;
markovChainGenerator.Configuration.LtmdpModelChecker = LtmdpModelChecker.BuiltInLtmdp;
var formula = new ExecutableStateFormula(() => model.System.HazardActive);
var formulaToCheck = new BoundedUnaryFormula(formula, UnaryOperator.Finally, 50);
markovChainGenerator.AddFormulaToCheck(formulaToCheck);
foreach (var fault in model.Faults)
{
var faultFormula = new FaultFormula(fault);
markovChainGenerator.AddFormulaToCheck(faultFormula);
}
markovChainGenerator.Configuration.UseCompactStateStorage = true;
markovChainGenerator.Configuration.CpuCount = 1;
markovChainGenerator.Configuration.EnableEarlyTermination = false;
var markovChain = markovChainGenerator.GenerateLabeledTransitionMarkovDecisionProcess();
using (var modelChecker = new ConfigurationDependentLtmdpModelChecker(markovChainGenerator.Configuration, markovChain, markovChainGenerator.Configuration.DefaultTraceOutput))
{
var result = modelChecker.CalculateProbabilityRange(formulaToCheck);
Console.Write($"Probability of hazard: {result}");
}
}
public void CreateMarkovChainWithHazardFaultsInState()
{
var model = new DegradedModeModel();
var createModel = SafetySharpRuntimeModel.CreateExecutedModelFromFormulasCreator(model);
var markovChainGenerator = new MarkovChainFromExecutableModelGenerator <SafetySharpRuntimeModel>(createModel)
{
Configuration = SafetySharpModelChecker.TraversalConfiguration
};
markovChainGenerator.Configuration.SuccessorCapacity *= 2;
markovChainGenerator.Configuration.EnableStaticPruningOptimization = false;
markovChainGenerator.AddFormulaToCheck(model.System.HazardActive);
foreach (var fault in model.Faults)
{
var faultFormula = new FaultFormula(fault);
markovChainGenerator.AddFormulaToCheck(faultFormula);
markovChainGenerator.AddFormulaToPlainlyIntegrateIntoStateSpace(faultFormula);
}
markovChainGenerator.Configuration.UseCompactStateStorage = true;
markovChainGenerator.Configuration.EnableEarlyTermination = false;
var markovChain = markovChainGenerator.GenerateMarkovChain();
}
