public void StepwiseProbablityOfNotLabel1UntilLabel2ForExample4()
{
var example = new Example4();
var ltmc = example.Ltmc;
var results = new List <Probability>();
using (var prismChecker = new BuiltinLtmcModelChecker(ltmc, Output.TextWriterAdapter()))
{
for (var i = 0; i <= 10; i++)
{
var boundedStepi = new BoundedBinaryFormula(new UnaryFormula(LabeledTransitionMarkovChainExample.Label1Formula, UnaryOperator.Not), BinaryOperator.Until, LabeledTransitionMarkovChainExample.Label2Formula, i);
var resultBoundedStepi = prismChecker.CalculateProbability(boundedStepi);
Output.Log($"Result {i}:\t{resultBoundedStepi}");
results.Add(resultBoundedStepi);
}
var boundedStep200 = new BoundedBinaryFormula(new UnaryFormula(LabeledTransitionMarkovChainExample.Label1Formula, UnaryOperator.Not), BinaryOperator.Until, LabeledTransitionMarkovChainExample.Label2Formula, 200);
var resultBoundedStep200 = prismChecker.CalculateProbability(boundedStep200);
Output.Log($"Result {200}:\t{resultBoundedStep200}");
/*
* var inf = new BinaryFormula(new UnaryFormula(LabeledTransitionMarkovChainExample.Label1Formula, UnaryOperator.Not), BinaryOperator.Until, LabeledTransitionMarkovChainExample.Label2Formula);
* var resultInf = prismChecker.CalculateProbability(inf);
* Output.Log($"Result inf:\t{resultInf}");
*/
}
}
public void TankRupture()
{
Formula invariant = new LustrePressureBelowThreshold();
Formula hazard = new UnaryFormula(invariant, UnaryOperator.Not);
LustrePressureBelowThreshold.threshold = 60;
var faults = new List <Fault>
{
new TransientFault()
{
Name = "fault_switch", Identifier = 0, ProbabilityOfOccurrence = new Probability(3.0E-6)
},
new PermanentFault()
{
Name = "fault_k1", Identifier = 1, ProbabilityOfOccurrence = new Probability(3.0E-6)
},
new PermanentFault()
{
Name = "fault_k2", Identifier = 2, ProbabilityOfOccurrence = new Probability(3.0E-6)
},
new PermanentFault()
{
Name = "fault_timer", Identifier = 3, ProbabilityOfOccurrence = new Probability(1.0E-5)
},
new PermanentFault()
{
Name = "fault_sensor", Identifier = 4, ProbabilityOfOccurrence = new Probability(1.0E-5)
}
};
var modelChecker = new LustreMarkovChainFromExecutableModelGenerator(Path.Combine(AssemblyDirectory, "pressureTank.lus"), "TANK", faults);
modelChecker.AddFormulaToCheck(hazard);
modelChecker.Configuration.UseCompactStateStorage = true;
var lmc = modelChecker.GenerateLabeledMarkovChain();
var ltmcModelChecker = new BuiltinLtmcModelChecker(lmc, Console.Out);
var finallyHazard = new BoundedUnaryFormula(hazard, UnaryOperator.Finally, 200);
var result = ltmcModelChecker.CalculateProbability(finallyHazard);
Console.Write($"Probability of hazard: {result}");
}
