Program: 72401
Project: 72401
Buggy source:
/** 
 * Will enable all time regulating aspect for the federate. After this call the federate as stated to the RTI if it time regulating and/or time regulator and has enable asynchronous delivery for RO messages
 * @throws IllegalActionException
 */
private void _initializeTimeAspects() throws IllegalActionException {
  _federateAmbassador.initializeTimeValues(0.0,_hlaLookAHead);
  if (_isTimeConstrained) {
    try {
      _rtia.enableTimeConstrained();
    }
 catch (    RTIexception e) {
      throw new IllegalActionException(this,e,e.getMessage());
    }
  }
  if (_isTimeRegulator) {
    try {
      _rtia.enableTimeRegulation(_federateAmbassador.logicalTimeHLA,_federateAmbassador.effectiveLookAHead);
    }
 catch (    RTIexception e) {
      throw new IllegalActionException(this,e,e.getMessage());
    }
  }
  if (_isTimeRegulator && _isTimeConstrained) {
    while (!(_federateAmbassador.timeConstrained)) {
      try {
        _rtia.tick2();
        _numberOfTicks2++;
        if (_timeOfTheLastAdvanceRequest > 0) {
          _numberOfTicks.set(_numberOfTAGs,_numberOfTicks.get(_numberOfTAGs) + 1);
        }
 else {
          _numberOfOtherTicks++;
        }
      }
 catch (      RTIexception e) {
        throw new IllegalActionException(this,e,e.getMessage());
      }
    }
    while (!(_federateAmbassador.timeRegulator)) {
      try {
        _rtia.tick2();
        _numberOfTicks2++;
        if (_timeOfTheLastAdvanceRequest > 0) {
          _numberOfTicks.set(_numberOfTAGs,_numberOfTicks.get(_numberOfTAGs) + 1);
        }
 else {
          _numberOfOtherTicks++;
        }
      }
 catch (      RTIexception e) {
        throw new IllegalActionException(this,e,e.getMessage());
      }
    }
    if (_debugging) {
      _debug("String_Node_Str" + "String_Node_Str" + "String_Node_Str" + _federateAmbassador.timeConstrained + "String_Node_Str"+ _federateAmbassador.timeRegulator);
    }
    try {
      _rtia.enableAsynchronousDelivery();
    }
 catch (    RTIexception e) {
      throw new IllegalActionException(this,e,e.getMessage());
    }
  }
}

Fixed version (ground truth):
/** 
 * Will enable all time regulating aspect for the federate. After this call the federate as stated to the RTI if it time regulating and/or time regulator and has enable asynchronous delivery for RO messages
 * @exception IllegalActionException
 */
private void _initializeTimeAspects() throws IllegalActionException {
  _federateAmbassador.initializeTimeValues(0.0,_hlaLookAHead);
  if (_isTimeConstrained) {
    try {
      _rtia.enableTimeConstrained();
    }
 catch (    RTIexception e) {
      throw new IllegalActionException(this,e,e.getMessage());
    }
  }
  if (_isTimeRegulator) {
    try {
      _rtia.enableTimeRegulation(_federateAmbassador.logicalTimeHLA,_federateAmbassador.effectiveLookAHead);
    }
 catch (    RTIexception e) {
      throw new IllegalActionException(this,e,e.getMessage());
    }
  }
  if (_isTimeRegulator && _isTimeConstrained) {
    while (!(_federateAmbassador.timeConstrained)) {
      try {
        _rtia.tick2();
        _numberOfTicks2++;
        if (_timeOfTheLastAdvanceRequest > 0) {
          _numberOfTicks.set(_numberOfTAGs,_numberOfTicks.get(_numberOfTAGs) + 1);
        }
 else {
          _numberOfOtherTicks++;
        }
      }
 catch (      RTIexception e) {
        throw new IllegalActionException(this,e,e.getMessage());
      }
    }
    while (!(_federateAmbassador.timeRegulator)) {
      try {
        _rtia.tick2();
        _numberOfTicks2++;
        if (_timeOfTheLastAdvanceRequest > 0) {
          _numberOfTicks.set(_numberOfTAGs,_numberOfTicks.get(_numberOfTAGs) + 1);
        }
 else {
          _numberOfOtherTicks++;
        }
      }
 catch (      RTIexception e) {
        throw new IllegalActionException(this,e,e.getMessage());
      }
    }
    if (_debugging) {
      _debug("String_Node_Str" + "String_Node_Str" + "String_Node_Str" + _federateAmbassador.timeConstrained + "String_Node_Str"+ _federateAmbassador.timeRegulator);
    }
    try {
      _rtia.enableAsynchronousDelivery();
    }
 catch (    RTIexception e) {
      throw new IllegalActionException(this,e,e.getMessage());
    }
  }
}