/// <summary>
/// Tick transition if done is false, don't need to add unchanged condition of other local variables.
/// They will be updated after the event becomes true
/// use the tick transition of P1 if done is true
/// </summary>
/// <param name="P1"></param>
/// <param name="model"></param>
/// <param name="result"></param>
public static void TauEventPrefixEncodeTick(Expression guardOfTick, AutomataBDD P1, Model model, AutomataBDD result)
{
Expression guard;
List <CUDDNode> guardDD;
//1. !done and guardOfTick and event = tick and !done'
if (!(guardOfTick is BoolConstant && !(guardOfTick as BoolConstant).Value))
{
guard = new PrimitiveApplication(PrimitiveApplication.AND,
new PrimitiveApplication(PrimitiveApplication.EQUAL,
new Variable(result.newLocalVarName),
new IntConstant(0)),
new PrimitiveApplication(PrimitiveApplication.AND,
guardOfTick,
new PrimitiveApplication(
PrimitiveApplication.AND,
AutomataBDD.
GetTerminateTransExpression
(),
new Assignment(
result.newLocalVarName,
new IntConstant(0)))));
guardDD = guard.TranslateBoolExpToBDD(model).GuardDDs;
guardDD = model.AddVarUnchangedConstraint(guardDD, model.GlobalVarIndex);
result.Ticks.AddRange(guardDD);
}
//2. done and p1.Tick and done'
guard = new PrimitiveApplication(PrimitiveApplication.AND, new PrimitiveApplication(PrimitiveApplication.EQUAL, new Variable(result.newLocalVarName), new IntConstant(1)),
new Assignment(result.newLocalVarName, new IntConstant(0)));
guardDD = guard.TranslateBoolExpToBDD(model).GuardDDs;
guardDD = CUDD.Function.And(guardDD, P1.Ticks);
result.Ticks.AddRange(guardDD);
}
private static void DeadlineEncodeTransitionChannel(string clk, AutomataBDD m0, int t, Model model, AutomataBDD result)
{
//1. (clk <= t) and m0.Trans/In/Out and [(event' = terminate and clk' = -1) or (event' != terminate and clk' = clk)]
Expression guard = Expression.AND(
Expression.LE(new Variable(clk), new IntConstant(t)),
Expression.OR(Expression.AND(
AutomataBDD.GetTerminateTransExpression(),
new Assignment(clk, new IntConstant(-1))), Expression.AND(
AutomataBDD.GetNotTerminateTransExpression(),
new Assignment(clk, new Variable(clk)))));
List <CUDDNode> guardDD = guard.TranslateBoolExpToBDD(model).GuardDDs;
List <CUDDNode> transTemp = CUDD.Function.And(m0.transitionBDD, guardDD);
result.transitionBDD.AddRange(transTemp);
//1. (clk <= t & clk' = clk & In/Out)
guard = Expression.AND(
Expression.LE(new Variable(clk),
new IntConstant(t)),
new Assignment(clk, new Variable(clk)));
guardDD = guard.TranslateBoolExpToBDD(model).GuardDDs;
//
CUDD.Ref(guardDD);
transTemp = CUDD.Function.And(m0.channelInTransitionBDD, guardDD);
result.channelInTransitionBDD.AddRange(transTemp);
//
//CUDD.Ref(guardDD);
transTemp = CUDD.Function.And(m0.channelOutTransitionBDD, guardDD);
result.channelOutTransitionBDD.AddRange(transTemp);
}
private static void TimeInterruptEncodeTransitionChannel(string clk, AutomataBDD m0, AutomataBDD m1, int t, Model model, AutomataBDD result)
{
Expression guard;
List <CUDDNode> guardDD, transTemp;
//1. clk <= t and m0.Trans/In/Out and [(event' = termination & clk' = -1) or (event' != termination & clk' = clk)]
guard = Expression.AND(Expression.LE(new Variable(clk), new IntConstant(t)),
Expression.OR(Expression.AND(
AutomataBDD.GetTerminateTransExpression(),
new Assignment(clk, new IntConstant(-1))), Expression.AND(
AutomataBDD.GetNotTerminateTransExpression(),
new Assignment(clk, new Variable(clk)))));
guardDD = guard.TranslateBoolExpToBDD(model).GuardDDs;
CUDD.Ref(guardDD);
transTemp = CUDD.Function.And(m0.transitionBDD, guardDD);
result.transitionBDD.AddRange(transTemp);
//
CUDD.Ref(guardDD);
transTemp = CUDD.Function.And(m0.channelInTransitionBDD, guardDD);
result.channelInTransitionBDD.AddRange(transTemp);
//
//CUDD.Ref(guardDD);
transTemp = CUDD.Function.And(m0.channelOutTransitionBDD, guardDD);
result.channelOutTransitionBDD.AddRange(transTemp);
//2. clk = t and event' = tau and clk' = t + 1 and m1.Init
guard = Expression.AND(Expression.EQ(new Variable(clk), new IntConstant(t)),
Expression.AND(AutomataBDD.GetTauTransExpression(),
new Assignment(clk, new IntConstant(t + 1))));
guardDD = guard.TranslateBoolExpToBDD(model).GuardDDs;
guardDD = CUDD.Function.And(m1.GetInitInColumn(model), CUDD.Function.Or(guardDD));
guardDD = model.AddVarUnchangedConstraint(guardDD, model.GlobalVarIndex);
result.transitionBDD.AddRange(guardDD);
//3. clk = t + 1 and m1.Trans and clk' = t + 1
guard = Expression.AND(Expression.EQ(new Variable(clk), new IntConstant(t + 1)),
new Assignment(clk, new IntConstant(t + 1)));
guardDD = guard.TranslateBoolExpToBDD(model).GuardDDs;
//
CUDD.Ref(guardDD);
transTemp = CUDD.Function.And(m1.transitionBDD, guardDD);
result.transitionBDD.AddRange(guardDD);
//
CUDD.Ref(guardDD);
transTemp = CUDD.Function.And(m1.channelInTransitionBDD, guardDD);
result.channelInTransitionBDD.AddRange(guardDD);
//
//CUDD.Ref(guardDD);
transTemp = CUDD.Function.And(m1.channelOutTransitionBDD, guardDD);
result.channelOutTransitionBDD.AddRange(guardDD);
}
private static void WaitEncodeTransitionChannel(string state, int t, Model model, AutomataBDD result)
{
//1. state = t and event' = terminate and state' = t + 1
Expression guard;
List <CUDDNode> guardDD;
guard = Expression.AND(Expression.EQ(new Variable(state), new IntConstant(t)),
Expression.AND(AutomataBDD.GetTerminateTransExpression(),
new Assignment(state, new IntConstant(t + 1))));
guardDD = guard.TranslateBoolExpToBDD(model).GuardDDs;
guardDD = model.AddVarUnchangedConstraint(guardDD, model.GlobalVarIndex);
result.transitionBDD.AddRange(guardDD);
}