public TreeNode <string> Synthesize(int demand, Params param, Context context, SynthesisParams synthesisParams)
{
lemmaCreationTimes = new List <long>();
pruningTimes = new List <long>();
var root = new TreeNode <string>();
lemmas = new Lemmas();
unSATCorePrograms = new List <TreeNode <string> >();
var currentNode = root;
while (true)
{
//currentNode = grammar.Decide(root, lemmas, context, grammar);
currentNode = synthesisParams.grammar.Decide_AST(root, ref unSATCorePrograms, context, synthesisParams.grammar,
synthesisParams.z3ComponentSpecs, synthesisParams.programSpec, ref lemmas, ref lemmaCounter, ref extensionCounter,
ref pruningTimes, param, ref avg_b, ref avg_e);
if (param.printConsole)
{
root.Visualize();
}
//File.AppendAllText(Resources.path_results, root.ToString());
//synthesisParams.grammar.Propogate(root, lemmas, context, synthesisParams.grammar);
var unSATCore = CheckConflict(synthesisParams.z3ComponentSpecs, context, synthesisParams.programSpec, root, synthesisParams.grammar);
if (unSATCore?.Count == 1)
{
;
}
if (unSATCore?.Count != 0)
{
var stopWatch = new Stopwatch();
var elapsedTime_Base = default(long);
var elapsedTime_Extension = default(long);
if (unSATCore.First().name != root.Data)
{
var lemma = Lemma.NewLemma(root, context);
var lemmaAsString = synthesisParams.grammar.CheckLemma_ByString(lemma);
lemmas.RemoveAll(x => synthesisParams.grammar.CheckLemma_ByString(x).Contains(lemmaAsString));
lemmas.Add(lemma);
}
else
{
if (param.use_base_lemmas && !param.use_extended_lemmas)
{
stopWatch.Start();
//creating lemma from UnSATCore
var lemma = AnalyzeConflict(unSATCore, synthesisParams.z3ComponentSpecs, context, root, synthesisParams.grammar);
//lemmas.RemoveAll(x => synthesisParams.grammar.CheckLemma(lemma, x, context));
lemmas.Add(lemma);
stopWatch.Stop();
elapsedTime_Base = stopWatch.ElapsedMilliseconds;
stopWatch.Reset();
}
if (param.use_extended_lemmas)
{
stopWatch.Start();
//creating unSAT Programs from UnSATCore
var rootOfUnSATCoreProgram = ExtractUnSATProgram(unSATCore, synthesisParams.grammarGround, context);
if (rootOfUnSATCoreProgram == null)
{
var lemma = Lemma.NewLemma(root, context);
var count = lemmas.Where(x => x.AsExpression(context) == lemma.AsExpression(context)).Count();
if (count == 0)
{
lemmas.Add(lemma);
}
}
else
{
unSATCorePrograms.Add(rootOfUnSATCoreProgram);
}
stopWatch.Stop();
elapsedTime_Extension = stopWatch.ElapsedMilliseconds;
}
}
if (elapsedTime_Base != 0 && elapsedTime_Extension != 0)
{
lemmaCreationTimes.Add(elapsedTime_Base - elapsedTime_Extension);
}
//Console.WriteLine($"{lemmas.Count == 0} {unSATCorePrograms.Count == 0} Elapsed time base - extension: {elapsedTime_Base - elapsedTime_Extension}");
if (param.find_groundTruth)
{
root = BackTrack_Chronological(unSATCore, synthesisParams.grammar, currentNode, root);
}
else
{
root = BackTrack_Non_Chronological(unSATCore, synthesisParams.grammar, currentNode, root);
}
}
//if (lemmas.IsUnSAT(context))
// return null;
else if (root.IsConcrete)
{
if (param.find_groundTruth)
{
var program_as_string = SAT_Encode(root, context);
//var check = AreEqual_Concrete(program_as_string, synthesisParams.programSpec.program);
var check = AreEqual_Examples(synthesisParams.programSpec, root);
if (!check)
{
if (param.use_base_lemmas || (!param.use_base_lemmas && param.use_extended_lemmas))
{
var lemma = Lemma.NewLemma(root, context);
var count = lemmas.Where(x => x.AsExpression(context) == lemma.AsExpression(context)).Count();
if (count == 0)
{
lemmas.Add(lemma);
}
}
root = BackTrack_Chronological(unSATCore, synthesisParams.grammar, currentNode, root);
continue;
}
}
var benchmark_Id = Resources.path_programSpec.Replace(".xml", $"{synthesisParams.benchmarkId}.xml");
Console.WriteLine($"\nConcrete progam found for benchmark {benchmark_Id}:");
root.Visualize();
Console.WriteLine($"####################################### ");
return(root);
}
}
}