Program: 4294
Project: 4294
Buggy source:
/** 
 * If date is not match, will return next closest match. If date is match, will return this date.
 * @param date - reference DateTime instance - never null;
 * @return DateTime instance, never null. Value obeys logic specified above.
 * @throws NoSuchValueException
 */
DateTime nextClosestMatch(DateTime date) throws NoSuchValueException {
  List<Integer> year=yearsValueGenerator.generateCandidates(date.getYear(),date.getYear());
  TimeNode days=generateDays(cronDefinition,date);
  int lowestMonth=months.getValues().get(0);
  int lowestDay=days.getValues().get(0);
  int lowestHour=hours.getValues().get(0);
  int lowestMinute=minutes.getValues().get(0);
  int lowestSecond=seconds.getValues().get(0);
  log.debug("String_Node_Str");
  log.debug("String_Node_Str",date.toString());
  for (  Integer i : days.values) {
    log.debug("String_Node_Str",i);
  }
  for (  Integer i : hours.values) {
    log.debug("String_Node_Str",i);
  }
  NearestValue nearestValue;
  DateTime newDate;
  if (year.isEmpty()) {
    return initDateTime(yearsValueGenerator.generateNextValue(date.getYear()),lowestMonth,lowestDay,lowestHour,lowestMinute,lowestSecond);
  }
  if (!months.getValues().contains(date.getMonthOfYear())) {
    log.debug("String_Node_Str");
    nearestValue=months.getNextValue(date.getMonthOfYear(),0);
    int nextMonths=nearestValue.getValue();
    if (nearestValue.getShifts() > 0) {
      newDate=new DateTime(date.getYear(),1,1,0,0,0).plusYears(nearestValue.getShifts());
      return nextClosestMatch(newDate);
    }
    if (nearestValue.getValue() < date.getMonthOfYear()) {
      log.debug("String_Node_Str" + nearestValue.getValue() + "String_Node_Str");
      date=date.plusYears(1);
    }
    log.debug("String_Node_Str");
    return initDateTime(date.getYear(),nextMonths,lowestDay,lowestHour,lowestMinute,lowestSecond);
  }
  if (!days.getValues().contains(date.getDayOfMonth())) {
    log.debug("String_Node_Str");
    nearestValue=days.getNextValue(date.getDayOfMonth(),0);
    if (nearestValue.getShifts() > 0) {
      newDate=new DateTime(date.getYear(),date.getMonthOfYear(),1,0,0,0).plusMonths(nearestValue.getShifts());
      return nextClosestMatch(newDate);
    }
    if (nearestValue.getValue() < date.getDayOfMonth()) {
      log.debug("String_Node_Str" + nearestValue.getValue() + "String_Node_Str");
      date=date.plusMonths(1);
    }
    log.debug("String_Node_Str");
    return initDateTime(date.getYear(),date.getMonthOfYear(),nearestValue.getValue(),lowestHour,lowestMinute,lowestSecond);
  }
  if (!hours.getValues().contains(date.getHourOfDay())) {
    log.debug("String_Node_Str");
    nearestValue=hours.getNextValue(date.getHourOfDay(),0);
    log.debug("String_Node_Str",nearestValue.getShifts());
    int nextHours=nearestValue.getValue();
    log.debug("String_Node_Str",nextHours);
    if (nearestValue.getShifts() > 0) {
      newDate=new DateTime(date.getYear(),date.getMonthOfYear(),date.getDayOfMonth(),0,0,0).plusDays(nearestValue.getShifts());
      log.debug("String_Node_Str",newDate.toString());
      return nextClosestMatch(newDate);
    }
    if (nearestValue.getValue() < date.getHourOfDay()) {
      log.debug("String_Node_Str" + nearestValue.getValue() + "String_Node_Str");
      date=date.plusDays(1);
    }
    log.debug("String_Node_Str");
    return initDateTime(date.getYear(),date.getMonthOfYear(),date.getDayOfMonth(),nextHours,lowestMinute,lowestSecond);
  }
  if (!minutes.getValues().contains(date.getMinuteOfHour())) {
    log.debug("String_Node_Str");
    nearestValue=minutes.getNextValue(date.getMinuteOfHour(),0);
    log.debug("String_Node_Str",nearestValue.getShifts());
    int nextMinutes=nearestValue.getValue();
    log.debug("String_Node_Str",nextMinutes);
    if (nearestValue.getShifts() > 0) {
      newDate=new DateTime(date.getYear(),date.getMonthOfYear(),date.getDayOfMonth(),date.getHourOfDay(),0,0).plusHours(nearestValue.getShifts());
      log.debug("String_Node_Str",newDate.toString());
      return nextClosestMatch(newDate);
    }
    if (nearestValue.getValue() < date.getMinuteOfHour()) {
      log.debug("String_Node_Str" + nearestValue.getValue() + "String_Node_Str");
      date=date.plusHours(1);
    }
    log.debug("String_Node_Str");
    return initDateTime(date.getYear(),date.getMonthOfYear(),date.getDayOfMonth(),date.getHourOfDay(),nextMinutes,lowestSecond);
  }
  if (!seconds.getValues().contains(date.getSecondOfMinute())) {
    log.debug("String_Node_Str");
    nearestValue=seconds.getNextValue(date.getSecondOfMinute(),0);
    log.debug("String_Node_Str",nearestValue.getShifts());
    int nextSeconds=nearestValue.getValue();
    log.debug("String_Node_Str",nextSeconds);
    if (nearestValue.getShifts() > 0) {
      newDate=new DateTime(date.getYear(),date.getMonthOfYear(),date.getDayOfMonth(),date.getHourOfDay(),date.getMinuteOfHour(),0).plusMinutes(nearestValue.getShifts());
      log.debug("String_Node_Str",newDate.toString());
      return nextClosestMatch(newDate);
    }
    if (nearestValue.getValue() < date.getSecondOfMinute()) {
      log.debug("String_Node_Str" + nearestValue.getValue() + "String_Node_Str");
      date=date.plusMinutes(1);
    }
    log.debug("String_Node_Str");
    return initDateTime(date.getYear(),date.getMonthOfYear(),date.getDayOfMonth(),date.getHourOfDay(),date.getMinuteOfHour(),nextSeconds);
  }
  return date;
}

Fixed version (ground truth):
/** 
 * If date is not match, will return next closest match. If date is match, will return this date.
 * @param date - reference DateTime instance - never null;
 * @return DateTime instance, never null. Value obeys logic specified above.
 * @throws NoSuchValueException
 */
DateTime nextClosestMatch(DateTime date) throws NoSuchValueException {
  List<Integer> year=yearsValueGenerator.generateCandidates(date.getYear(),date.getYear());
  TimeNode days=generateDays(cronDefinition,date);
  int lowestMonth=months.getValues().get(0);
  int lowestDay=days.getValues().get(0);
  int lowestHour=hours.getValues().get(0);
  int lowestMinute=minutes.getValues().get(0);
  int lowestSecond=seconds.getValues().get(0);
  log.debug("String_Node_Str");
  log.debug("String_Node_Str",date.toString());
  for (  Integer i : days.values) {
    log.debug("String_Node_Str",i);
  }
  for (  Integer i : hours.values) {
    log.debug("String_Node_Str",i);
  }
  NearestValue nearestValue;
  DateTime newDate;
  if (year.isEmpty()) {
    return initDateTime(yearsValueGenerator.generateNextValue(date.getYear()),lowestMonth,lowestDay,lowestHour,lowestMinute,lowestSecond,date.getZone());
  }
  if (!months.getValues().contains(date.getMonthOfYear())) {
    log.debug("String_Node_Str");
    nearestValue=months.getNextValue(date.getMonthOfYear(),0);
    int nextMonths=nearestValue.getValue();
    if (nearestValue.getShifts() > 0) {
      newDate=new DateTime(date.getYear(),1,1,0,0,0,date.getZone()).plusYears(nearestValue.getShifts());
      return nextClosestMatch(newDate);
    }
    if (nearestValue.getValue() < date.getMonthOfYear()) {
      log.debug("String_Node_Str" + nearestValue.getValue() + "String_Node_Str");
      date=date.plusYears(1);
    }
    log.debug("String_Node_Str");
    return initDateTime(date.getYear(),nextMonths,lowestDay,lowestHour,lowestMinute,lowestSecond,date.getZone());
  }
  if (!days.getValues().contains(date.getDayOfMonth())) {
    log.debug("String_Node_Str");
    nearestValue=days.getNextValue(date.getDayOfMonth(),0);
    if (nearestValue.getShifts() > 0) {
      newDate=new DateTime(date.getYear(),date.getMonthOfYear(),1,0,0,0).plusMonths(nearestValue.getShifts());
      return nextClosestMatch(newDate);
    }
    if (nearestValue.getValue() < date.getDayOfMonth()) {
      log.debug("String_Node_Str" + nearestValue.getValue() + "String_Node_Str");
      date=date.plusMonths(1);
    }
    log.debug("String_Node_Str");
    return initDateTime(date.getYear(),date.getMonthOfYear(),nearestValue.getValue(),lowestHour,lowestMinute,lowestSecond,date.getZone());
  }
  if (!hours.getValues().contains(date.getHourOfDay())) {
    log.debug("String_Node_Str");
    nearestValue=hours.getNextValue(date.getHourOfDay(),0);
    log.debug("String_Node_Str",nearestValue.getShifts());
    int nextHours=nearestValue.getValue();
    log.debug("String_Node_Str",nextHours);
    if (nearestValue.getShifts() > 0) {
      newDate=new DateTime(date.getYear(),date.getMonthOfYear(),date.getDayOfMonth(),0,0,0).plusDays(nearestValue.getShifts());
      log.debug("String_Node_Str",newDate.toString());
      return nextClosestMatch(newDate);
    }
    if (nearestValue.getValue() < date.getHourOfDay()) {
      log.debug("String_Node_Str" + nearestValue.getValue() + "String_Node_Str");
      date=date.plusDays(1);
    }
    log.debug("String_Node_Str");
    return initDateTime(date.getYear(),date.getMonthOfYear(),date.getDayOfMonth(),nextHours,lowestMinute,lowestSecond,date.getZone());
  }
  if (!minutes.getValues().contains(date.getMinuteOfHour())) {
    log.debug("String_Node_Str");
    nearestValue=minutes.getNextValue(date.getMinuteOfHour(),0);
    log.debug("String_Node_Str",nearestValue.getShifts());
    int nextMinutes=nearestValue.getValue();
    log.debug("String_Node_Str",nextMinutes);
    if (nearestValue.getShifts() > 0) {
      newDate=new DateTime(date.getYear(),date.getMonthOfYear(),date.getDayOfMonth(),date.getHourOfDay(),0,0).plusHours(nearestValue.getShifts());
      log.debug("String_Node_Str",newDate.toString());
      return nextClosestMatch(newDate);
    }
    if (nearestValue.getValue() < date.getMinuteOfHour()) {
      log.debug("String_Node_Str" + nearestValue.getValue() + "String_Node_Str");
      date=date.plusHours(1);
    }
    log.debug("String_Node_Str");
    return initDateTime(date.getYear(),date.getMonthOfYear(),date.getDayOfMonth(),date.getHourOfDay(),nextMinutes,lowestSecond,date.getZone());
  }
  if (!seconds.getValues().contains(date.getSecondOfMinute())) {
    log.debug("String_Node_Str");
    nearestValue=seconds.getNextValue(date.getSecondOfMinute(),0);
    log.debug("String_Node_Str",nearestValue.getShifts());
    int nextSeconds=nearestValue.getValue();
    log.debug("String_Node_Str",nextSeconds);
    if (nearestValue.getShifts() > 0) {
      newDate=new DateTime(date.getYear(),date.getMonthOfYear(),date.getDayOfMonth(),date.getHourOfDay(),date.getMinuteOfHour(),0).plusMinutes(nearestValue.getShifts());
      log.debug("String_Node_Str",newDate.toString());
      return nextClosestMatch(newDate);
    }
    if (nearestValue.getValue() < date.getSecondOfMinute()) {
      log.debug("String_Node_Str" + nearestValue.getValue() + "String_Node_Str");
      date=date.plusMinutes(1);
    }
    log.debug("String_Node_Str");
    return initDateTime(date.getYear(),date.getMonthOfYear(),date.getDayOfMonth(),date.getHourOfDay(),date.getMinuteOfHour(),nextSeconds,date.getZone());
  }
  return date;
}