public IModel Encode()
{
//get variable info from ModulesFile
varList = new VariableList(modules);
//Collect all sync label of all modules
synchs = modules.GetAllSynchs().ToList();
AddVars();
//Create Expression Encoder, use the same copy of varList, variableEncoding
expressionEncoder = new ExpressionToBDD(varList, variableEncoding);
EncodeSystemDef(modules.systemDef);
// get rid of any nondet dd variables not needed
if (modules.modelType == ModelType.MDP)
{
CUDDNode tmp = CUDD.GetSupport(trans);
tmp = CUDD.Abstract.ThereExists(tmp, allRowVars);
tmp = CUDD.Abstract.ThereExists(tmp, allColVars);
CUDDVars ddv = new CUDDVars();
while (!tmp.Equals(CUDD.ONE))
{
ddv.AddVar(CUDD.Var(tmp.GetIndex()));
tmp = tmp.GetThen();
}
CUDD.Deref(tmp);
allNondetVars.Deref();
allNondetVars = ddv;
}
init = GetInitState();
//
CUDD.Deref(moduleRangeDDs, moduleIdentities, colVarRanges, syncVars, choiceVars);
CUDD.Deref(moduleRowVars, moduleColVars, rowVars, colVars, new List <CUDDVars>()
{
globalRowVars, globalColVars, allSynchVars, allChoiceVars
});
IModel result;
if (modules.modelType == ModelType.DTMC)
{
//
allNondetVars.Deref();
result = new ProbModel(trans, init, stateRewards, transRewards, allRowVars, allColVars, varList, allRowVarRanges,
varIdentities, variableEncoding);
}
else
{
result = new NonDetModel(trans, init, stateRewards, transRewards, allRowVars, allColVars, allNondetVars,
varList, allRowVarRanges, varIdentities, variableEncoding);
}
return(result);
}
/// <summary>
/// return colomn variables used in the dd
/// [ REFS: '', DEREFS: '' ]
/// </summary>
public List <int> GetColSupportedVars(CUDDNode dd)
{
List <int> result = new List <int>();
//Get changed variables
CUDDNode supportedVariable = CUDD.GetSupport(dd);
for (int k = 0; k < this.colVars.Count; k++)
{
CUDD.Ref(supportedVariable);
CUDDNode temp = CUDD.Abstract.ThereExists(supportedVariable, this.colVars[k]);
if (!supportedVariable.Equals(temp))
{
result.Add(k);
}
CUDD.Deref(temp);
}
CUDD.Deref(supportedVariable);
return(result);
}
