public void TestMinimizationForRegexCausingBug()
{
var rex = new Microsoft.Automata.Rex.RexEngine(BitWidth.BV7);
var regex = "^.*(([01]|[1]0)0)$";
var autom0 = rex.CreateFromRegexes(RegexOptions.Singleline, regex).RemoveEpsilons();
var autom = autom0.Determinize();
//rex.Solver.ShowGraph(autom0, "NFA");
//rex.Solver.ShowGraph(autom, "DFA");
autom.CheckDeterminism(true);
Assert.IsTrue(autom.IsDeterministic, "autom must be deterministic here");
var automM = RunMinimize1(rex, autom);
var automM2 = RunMinimize2(rex, autom);
var automM3 = RunMinimize3(rex, autom);
//rex.Solver.ShowGraph(automM, "automM");
//rex.Solver.ShowGraph(automM2, "automM2");
//rex.Solver.ShowGraph(automM3, "automM3");
var s = automM.StateCount;
var m = automM.MoveCount;
var s2 = automM2.StateCount;
var m2 = automM2.MoveCount;
var s3 = automM3.StateCount;
var m3 = automM3.MoveCount;
Assert.IsTrue(rex.AreEquivalent(autom, automM2));
Assert.IsTrue(rex.AreEquivalent(autom, automM3));
Assert.IsTrue(rex.AreEquivalent(autom, automM));
Assert.AreEqual <int>(s, s2);
Assert.AreEqual <int>(m, m2);
Assert.AreEqual <int>(s, s3);
Assert.AreEqual <int>(m, m3);
}
public void TestLongPasswordAutomatonCreationTime()
{
var rex = new Microsoft.Automata.Rex.RexEngine(BitWidth.BV7); //rex for ascii range
int passwlength = 200;
var r1 = @"^[\x21-\x7E]{" + passwlength + "}$";
var r2 = "[A-Z]";
var r3 = "[a-z]";
var r4 = "[0-9]";
var r5 = @"[\x21-\x2F\x3A-\x40\x5B-\x60\x7B-\x7E]";
var time = System.Environment.TickCount;
//var a1 = rex.Minimize(rex.CreateFromRegexes(r1));
var sfa2 = rex.Minimize(rex.CreateFromRegexes(r1, r2, r3, r4, r5));
//var sfa2 = rex.Intersect(a1, a2);
time = System.Environment.TickCount - time;
var timeToMin = System.Environment.TickCount;
var sfa_min = rex.Minimize(sfa2);
timeToMin = System.Environment.TickCount - timeToMin;
string dag = rex.SerializeDAG(sfa2);
var sfa3 = rex.DeserializeDAG(dag);
System.IO.File.WriteAllText("dag.txt", dag);
Assert.IsTrue(rex.AreEquivalent(sfa3, sfa2));
Assert.IsTrue(rex.AreEquivalent(sfa3, sfa_min));
Console.WriteLine("time:{0} size:{1} | timeToMin:{2} sizeMin:{3}", time, sfa2.StateCount, timeToMin, sfa_min.StateCount);
}
public void TestMinimization()
{
var rex = new Microsoft.Automata.Rex.RexEngine(BitWidth.BV7); //rex for ascii range
int passwlength = 10;
var r1 = @"^[\x21-\x7E]{" + passwlength + "}$";
var r2 = "[A-Z].*[A-Z]";
var r3 = "[A-Z][A-Z][A-Z]";
var r4 = "[0-9].*[0-9]";
var r5 = @"[\x21-\x2F\x3A-\x40\x5B-\x60\x7B-\x7E]";
var time = System.Environment.TickCount;
var a1 = rex.Minimize(rex.CreateFromRegexes(r1));
var a2 = rex.Minimize(rex.CreateFromRegexes(r2));
var a3 = rex.Minimize(rex.CreateFromRegexes(r3));
var a4 = rex.Minimize(rex.CreateFromRegexes(r4));
var a5 = rex.Minimize(rex.CreateFromRegexes(r5));
var sfa2 = rex.Intersect(a1, a2, a3, a4, a5);
time = System.Environment.TickCount - time;
string dag = rex.SerializeDAG(sfa2);
var sfa3 = rex.DeserializeDAG(dag);
//rex.Solver.ShowGraph(sfa3, "sfa");
var timeToMin = System.Environment.TickCount;
var sfa_min = sfa2.MinimizeMoore();
timeToMin = System.Environment.TickCount - timeToMin;
var timeToMinB = System.Environment.TickCount;
var sfa_minB = sfa3.MinimizeHopcroft();
timeToMinB = System.Environment.TickCount - timeToMinB;
System.IO.File.WriteAllText("dag.txt", dag);
//Assert.IsTrue(rex.AreEquivalent(sfa3, sfa_min));
//rex.Solver.ShowGraph(sfa_min, "sfa_min");
//rex.Solver.ShowGraph(sfa_minB, "sfa_minB");
Assert.IsTrue(rex.AreEquivalent(sfa_minB, sfa_min));
Assert.AreEqual(sfa_min.StateCount, sfa_minB.StateCount);
Assert.IsTrue(rex.AreEquivalent(sfa3, sfa_minB));
//rex.Solver.ShowGraph(sfa_min,"TestMinimization");
Console.WriteLine("time:{0} size:{1} | timeToMin:{2} sizeMin:{3} | timeToMin:{4} sizeMin:{5}", time, sfa2.StateCount, timeToMin, sfa_min.StateCount, timeToMinB, sfa_minB.StateCount);
}
public void TestDAGserialization()
{
var r1 = @"^[\x21-\x7E]{8}$";
var r2 = @"[A-Z].*[A-Z]";
var r3 = "^.+[a-z].*[a-z]";
var r4 = "^(...[@#$%&]|....[@#$%&]|.....[@#$%&])";
var r5 = @"^[\D]";
var r6 = "^[^AbkG]*$";
var rex = new Microsoft.Automata.Rex.RexEngine(BitWidth.BV16);
var sfa = rex.CreateFromRegexes(r1, r2, r3, r4, r5, r6);
var sfa_min = rex.Minimize(sfa);
string dag = rex.SerializeDAG(sfa_min);
var sfa_min1 = rex.DeserializeDAG(dag);
bool equiv = rex.AreEquivalent(sfa_min, sfa_min1);
Assert.IsTrue(equiv);
string dag2 = rex.SerializeDAG(sfa_min1);
Assert.AreEqual <string>(dag, dag2);
Console.WriteLine(rex.GenerateMemberUniformly(sfa_min1));
Console.WriteLine(rex.GenerateMemberUniformly(sfa_min1));
Console.WriteLine(rex.GenerateMemberUniformly(sfa_min1));
//rex.Solver.ShowGraph(sfa_min1, "test");
}
public void TestMinimizationBugFix()
{
var rex = new Microsoft.Automata.Rex.RexEngine(BitWidth.BV7);
var regex = "^0*(0|1)01$";
var sfa = rex.CreateFromRegexes(regex).RemoveEpsilons();
var sfa_det = sfa.Determinize();
//rex.Solver.ShowGraph(sfa_det, "sfa_det");
var sfa_min_cl = sfa_det.MinimizeMoore();
//rex.Solver.ShowGraph(sfa_min_cl, "sfa_min_cl");
var sfa_min = sfa_det.MinimizeHopcroft();
//rex.Solver.ShowGraph(sfa_min, "sfa_min");
Assert.IsTrue(rex.AreEquivalent(sfa, sfa_min_cl));
Assert.IsTrue(rex.AreEquivalent(sfa, sfa_min));
Assert.AreEqual(sfa_min_cl.StateCount, sfa_min.StateCount);
}
public void TestMinimizationOfSampleICSTregexes()
{
var rex = new Microsoft.Automata.Rex.RexEngine(BitWidth.BV16);
string[] regexes = SampleRegexes.regexes;
for (int i = 0; i < regexes.Length; i++)
{
string regex = regexes[i];
var sfa = rex.CreateFromRegexes(regex);
var msfa = rex.Minimize(sfa);
//var msfa2 = sfa.Determinize(rex.Solver).MinimizeClassical(rex.Solver);
//Assert.IsTrue(rex.AreEquivalent(sfa, msfa2));
bool eq = rex.AreEquivalent(sfa, msfa);
Assert.IsTrue(eq);
}
}
void RunMinimize()
{
try
{
var rex = new Microsoft.Automata.Rex.RexEngine(BitWidth.BV16);
var autom = rex.CreateFromRegexes(RegexOptions.Singleline, regex).Determinize();
//---------------------
var automM = RunMinimize1(rex, autom);
//---------------------
//---------------------
var automM2 = RunMinimize2(rex, autom);
//---------------------
//---------------------
var automM3 = RunMinimize3(rex, autom);
//---------------------
var s = automM.StateCount;
var m = automM.MoveCount;
var s2 = automM2.StateCount;
var m2 = automM2.MoveCount;
var s3 = automM3.StateCount;
var m3 = automM3.MoveCount;
if (s != s2)
{
stateCount = -3;
}
else if (m != m2)
{
stateCount = -3;
}
else if (s != s3)
{
stateCount = -3;
}
else if (m != m3)
{
stateCount = -3;
}
else if (!rex.AreEquivalent(autom, automM))
{
stateCount = -3;
}
else if (!rex.AreEquivalent(autom, automM2))
{
stateCount = -3;
}
else if (!rex.AreEquivalent(autom, automM3))
{
stateCount = -3;
}
else
{
stateCount = automM2.StateCount;
origStateCount = autom.StateCount;
}
}
catch
{
stateCount = -2;
}
}
void RunMinimize()
{
try
{
var rex = new Microsoft.Automata.Rex.RexEngine(BitWidth.BV16);
var autom = rex.CreateFromRegexes(RegexOptions.Singleline, regex).Determinize();
//---------------------
var automM = RunMinimize1(rex, autom);
//---------------------
//---------------------
var automM2 = RunMinimize2(rex, autom);
//---------------------
//---------------------
var automM3 = RunMinimize3(rex, autom);
//---------------------
var s = automM.StateCount;
var m = automM.MoveCount;
var s2 = automM2.StateCount;
var m2 = automM2.MoveCount;
var s3 = automM3.StateCount;
var m3 = automM3.MoveCount;
if (s != s2)
stateCount = -3;
else if (m != m2)
stateCount = -3;
else if (s != s3)
stateCount = -3;
else if (m != m3)
stateCount = -3;
else if (!rex.AreEquivalent(autom, automM))
stateCount = -3;
else if (!rex.AreEquivalent(autom, automM2))
stateCount = -3;
else if (!rex.AreEquivalent(autom, automM3))
stateCount = -3;
else
{
stateCount = automM2.StateCount;
origStateCount = autom.StateCount;
}
}
catch (Exception e)
{
stateCount = -2;
}
}
public void TestMinimizationForRegexCausingBug()
{
var rex = new Microsoft.Automata.Rex.RexEngine(BitWidth.BV7);
var regex = "^.*(([01]|[1]0)0)$";
var autom0 = rex.CreateFromRegexes(RegexOptions.Singleline, regex).RemoveEpsilons();
var autom = autom0.Determinize();
//rex.Solver.ShowGraph(autom0, "NFA");
//rex.Solver.ShowGraph(autom, "DFA");
autom.CheckDeterminism(true);
Assert.IsTrue(autom.IsDeterministic, "autom must be deterministic here");
var automM = RunMinimize1(rex, autom);
var automM2 = RunMinimize2(rex, autom);
var automM3 = RunMinimize3(rex, autom);
//rex.Solver.ShowGraph(automM, "automM");
//rex.Solver.ShowGraph(automM2, "automM2");
//rex.Solver.ShowGraph(automM3, "automM3");
var s = automM.StateCount;
var m = automM.MoveCount;
var s2 = automM2.StateCount;
var m2 = automM2.MoveCount;
var s3 = automM3.StateCount;
var m3 = automM3.MoveCount;
Assert.IsTrue(rex.AreEquivalent(autom, automM2));
Assert.IsTrue(rex.AreEquivalent(autom, automM3));
Assert.IsTrue(rex.AreEquivalent(autom, automM));
Assert.AreEqual<int>(s, s2);
Assert.AreEqual<int>(m, m2);
Assert.AreEqual<int>(s, s3);
Assert.AreEqual<int>(m, m3);
}
public void TestLongPasswordAutomatonCreationTime()
{
var rex = new Microsoft.Automata.Rex.RexEngine(BitWidth.BV7); //rex for ascii range
int passwlength = 200;
var r1 = @"^[\x21-\x7E]{" + passwlength + "}$";
var r2 = "[A-Z]";
var r3 = "[a-z]";
var r4 = "[0-9]";
var r5 = @"[\x21-\x2F\x3A-\x40\x5B-\x60\x7B-\x7E]";
var time = System.Environment.TickCount;
//var a1 = rex.Minimize(rex.CreateFromRegexes(r1));
var sfa2 = rex.Minimize(rex.CreateFromRegexes(r1, r2, r3, r4, r5));
//var sfa2 = rex.Intersect(a1, a2);
time = System.Environment.TickCount - time;
var timeToMin = System.Environment.TickCount;
var sfa_min = rex.Minimize(sfa2);
timeToMin = System.Environment.TickCount - timeToMin;
string dag = rex.SerializeDAG(sfa2);
var sfa3 = rex.DeserializeDAG(dag);
System.IO.File.WriteAllText("dag.txt", dag);
Assert.IsTrue(rex.AreEquivalent(sfa3, sfa2));
Assert.IsTrue(rex.AreEquivalent(sfa3, sfa_min));
Console.WriteLine("time:{0} size:{1} | timeToMin:{2} sizeMin:{3}", time, sfa2.StateCount, timeToMin, sfa_min.StateCount);
}
public void TestDAGserialization()
{
var r1 = @"^[\x21-\x7E]{8}$";
var r2 = @"[A-Z].*[A-Z]";
var r3 = "^.+[a-z].*[a-z]";
var r4 = "^(...[@#$%&]|....[@#$%&]|.....[@#$%&])";
var r5 = @"^[\D]";
var r6 = "^[^AbkG]*$";
var rex = new Microsoft.Automata.Rex.RexEngine(BitWidth.BV16);
var sfa = rex.CreateFromRegexes(r1, r2, r3, r4, r5, r6);
var sfa_min = rex.Minimize(sfa);
string dag = rex.SerializeDAG(sfa_min);
var sfa_min1 = rex.DeserializeDAG(dag);
bool equiv = rex.AreEquivalent(sfa_min, sfa_min1);
Assert.IsTrue(equiv);
string dag2 = rex.SerializeDAG(sfa_min1);
Assert.AreEqual<string>(dag, dag2);
Console.WriteLine(rex.GenerateMemberUniformly(sfa_min1));
Console.WriteLine(rex.GenerateMemberUniformly(sfa_min1));
Console.WriteLine(rex.GenerateMemberUniformly(sfa_min1));
//rex.Solver.ShowGraph(sfa_min1, "test");
}