public static void InterpretNuSMVOutput(this GoalModel model, string filename, ProofObligationGenerator generator, bool verbose)
{
string[] lines = File.ReadAllLines(filename);
var proofObligations = generator.Obligations;
int proofObligationIndex = 0;
foreach (var line in lines) {
if (line.StartsWith ("-- specification")) {
var regex = new Regex (@"-- specification (.+) is (true|false)");
var match = regex.Match (line);
if (match.Success) {
var result = bool.Parse (match.Groups[2].Value);
var proofObligation = proofObligations [proofObligationIndex];
if (result == proofObligation.ExpectedResult) {
if (verbose) {
Console.BackgroundColor = ConsoleColor.Green;
Console.Write (" OK ");
Console.ResetColor ();
Console.ForegroundColor = ConsoleColor.Green;
Console.Write (" " + proofObligation.SuccessMessage);
Console.ResetColor ();
Console.WriteLine ();
}
} else if (!proofObligation.Critical) {
Console.BackgroundColor = ConsoleColor.Blue;
Console.ForegroundColor = ConsoleColor.White;
Console.Write (" WARN ");
Console.ResetColor ();
Console.ForegroundColor = ConsoleColor.Blue;
Console.Write (" " + proofObligation.FailureMessage);
Console.ResetColor ();
Console.WriteLine ();
} else {
Console.BackgroundColor = ConsoleColor.Red;
Console.ForegroundColor = ConsoleColor.White;
Console.Write (" KO ");
Console.ResetColor ();
Console.ForegroundColor = ConsoleColor.Red;
Console.Write (" " + proofObligation.FailureMessage);
Console.ResetColor ();
Console.WriteLine ();
}
}
proofObligationIndex++;
}
}
}
public static void Main(string[] args)
{
bool show_help = false;
string nusmvModel = "";
string nusmvOutput = "";
string obstacles = null;
bool verbose = false;
options.Add ("w|write=", "Write a NuSMV model in specified file",
v => nusmvOutput = v);
options.Add ("r|read=", "Read a NuSMV output and display a report",
v => nusmvModel = v);
options.Add ("o|obstacles=", "List of obstacles",
v => obstacles = v);
options.Add ("v|verbose", "Verbose mode",
v => verbose = true);
options.Add ("h|help", "show this message and exit",
v => show_help = true);
Init (args);
try {
ProofObligationGenerator generator;
if (obstacles != null) {
var g = new List<Goal> ();
var obstructedGoalNames = obstacles.Split (',');
foreach (var untrimmedName in obstructedGoalNames) {
var name = untrimmedName.Trim ();
var goals = model.Goals().Where (x => x.Name == name);
g.AddRange (goals);
}
generator = new ProofObligationGenerator (model, null, g);
} else {
generator = new ProofObligationGenerator (model);
}
if (!string.IsNullOrEmpty (nusmvModel)) {
model.InterpretNuSMVOutput (nusmvModel, generator, verbose);
} else {
model.WriteNuSMVModel (nusmvOutput, generator);
}
} catch (Exception e) {
PrintError (e.Message);
}
}
public static void WriteNuSMVModel(this GoalModel model, string filename, ProofObligationGenerator generator)
{
var streamWriter = new StreamWriter (filename);
streamWriter.WriteLine ("MODULE main");
streamWriter.WriteLine ();
streamWriter.WriteLine (" VAR");
foreach (var item in model.GetAlphabet ()) {
streamWriter.WriteLine (" {0} : boolean;", item);
}
streamWriter.WriteLine ();
foreach (var proofObligation in generator.Obligations) {
streamWriter.WriteLine (" -- Expected result : {0} (otherwise, {1})",
proofObligation.ExpectedResult,
proofObligation.FailureMessage);
streamWriter.WriteLine (" LTLSPEC");
streamWriter.WriteLine (" {0}", proofObligation.Formula.ToCanonicString ());
streamWriter.WriteLine ();
}
streamWriter.Close ();
}
