/// <summary>
/// Adds guards for the rules of NonDeter and INVAR of ARB and MAX strategies.
/// </summary>
/// <param name="kpRule"></param>
/// <param name="module"></param>
/// <param name="strategyIndex"></param>
/// <returns></returns>
public static NuSMV.Rule extractStandardRuleWithGuard4ARBandMAX(KpCore.Rule kpRule)
{
NuSMV.Rule smvRule = new NuSMV.Rule();
smvRule.Type = SMVRuleType.REWRITING;
if (kpRule is ConsumerRule)
{
ConsumerRule consumerRule = (ConsumerRule)kpRule;
// it adds guards to _arb0 and _max0
if (kpRule.IsGuarded)
{
ICondition guardCondition = extractGuardConditionFromKPRule(kpRule);
smvRule.Condition = guardCondition;
}
foreach (var multiset in consumerRule.Lhs)
{
BoolExp ruleConditions = new BoolExp();
ruleConditions.Left = new Expression(multiset.Key);
ruleConditions.RelationalOperator.Operator = NuSMV.RelationalOperator.GEQ;
ruleConditions.Right = new Expression(multiset.Value.ToString());
if (smvRule.Condition == null)
{
smvRule.Condition = ruleConditions;
}
else
{
smvRule.AppendBoolExpression(ruleConditions, BinaryOperator.AND);
}
}
}
return(smvRule);
}
/// <summary>
/// return the last caseline which is TRUE : result
/// </summary>
/// <param name="result"></param>
/// <returns></returns>
public static CaseLine trueCaseLine(string result)
{
CaseLine caseLine = new CaseLine();
NuSMV.Rule rule = new NuSMV.Rule();
rule.Condition = new TruthValue(Truth.TRUE);
Expression exp = new Expression(result);
caseLine.Rule = rule;
caseLine.Result = exp;
return(caseLine);
}
private static CaseLine trueCaseLine(IVar variable)
{
CaseLine caseLine = new CaseLine();
NuSMV.Rule rule = new NuSMV.Rule();
rule.Condition = new TruthValue(Truth.TRUE);
IExp exp = null;
if (variable.Behaviour == VariableBehaviour.COMMUNICATION || variable.Behaviour == VariableBehaviour.DIVISION)
{
exp = new InstancedExp(variable.Name);
}
else
{
exp = new Expression(variable.Name);
}
caseLine.Rule = rule;
caseLine.Result = exp;
return(caseLine);
}
/// <summary>
/// Translates KPRule to NUSMV rule, it ignores guards for ARB and MAX strategies, because the guards are
/// represented by _arb0 and _max0 custom variables.
/// </summary>
/// <param name="kpRule"></param>
/// <returns></returns>
public static NuSMV.Rule extractStandardRuleFromKPRule(KpCore.Rule kpRule, Module module, int strategyIndex)
{
NuSMV.Rule smvRule = new NuSMV.Rule();
smvRule.Type = SMVRuleType.REWRITING;
Strategy ex = module.ExecutionStrategies.ElementAt(strategyIndex);
if (kpRule is ConsumerRule)
{
ConsumerRule consumerRule = (ConsumerRule)kpRule;
// If strategy is ARB or MAX then ignore guards for regular rules
if (!(ex.Type == StrategyTypes.ARBITRARY || ex.Type == StrategyTypes.MAX))
{
if (kpRule.IsGuarded)
{
ICondition guardCondition = extractGuardConditionFromKPRule(kpRule);
smvRule.Condition = guardCondition;
}
}
foreach (var multiset in consumerRule.Lhs)
{
BoolExp ruleConditions = new BoolExp();
ruleConditions.Left = new Expression(multiset.Key);
ruleConditions.RelationalOperator.Operator = NuSMV.RelationalOperator.GEQ;
ruleConditions.Right = new Expression(multiset.Value.ToString());
if (smvRule.Condition == null)
{
smvRule.Condition = ruleConditions;
}
else
{
smvRule.AppendBoolExpression(ruleConditions, BinaryOperator.AND);
}
}
}
return(smvRule);
}
