Program: 113079
Project: 113079
Buggy source:
/** 
 * Produce an ReferencedEnvelope from the provided data parameter.
 * @param data
 * @return ReferencedEnvelope
 */
private TemporalConstraints btime(final Object data){
  if (data == null) {
    return null;
  }
  if (data instanceof Date) {
    return toSet(new TemporalRange((Date)data,(Date)data));
  }
 else   if (data instanceof Timestamp) {
    return toSet(new TemporalRange((Timestamp)data,(Timestamp)data));
  }
 else   if (data instanceof Number) {
    final long val=((Number)data).longValue();
    return toSet(new TemporalRange(new Date(val),new Date(val)));
  }
 else   if (data instanceof TemporalRange) {
    return toSet((TemporalRange)data);
  }
 else   if (data instanceof TemporalConstraints) {
    return (TemporalConstraints)data;
  }
 else   if (data instanceof Period) {
    final Position beginPosition=((Period)data).getBeginning().getPosition();
    final Position endPosition=((Period)data).getEnding().getPosition();
    Date s=TemporalRange.START_TIME, e=TemporalRange.START_TIME;
    if (beginPosition.getDate() != null) {
      s=beginPosition.getDate();
    }
 else     if (beginPosition.getTime() != null) {
      s=beginPosition.getTime();
    }
    if (endPosition.getDate() != null) {
      e=endPosition.getDate();
    }
 else     if (endPosition.getTime() != null) {
      e=endPosition.getTime();
    }
    return toSet(new TemporalRange(s,e));
  }
 else   if (data instanceof Instant) {
    final Position beginPosition=((Instant)data).getPosition();
    Date s=TemporalRange.START_TIME;
    if (beginPosition.getDate() != null) {
      s=beginPosition.getDate();
    }
 else     if (beginPosition.getTime() != null) {
      s=beginPosition.getTime();
    }
    return toSet(new TemporalRange(s,s));
  }
  return new TemporalConstraints();
}

Fixed version (ground truth):
/** 
 * Produce an ReferencedEnvelope from the provided data parameter.
 * @param data
 * @return ReferencedEnvelope
 */
private TemporalConstraints btime(final Object data){
  if (data == null) {
    return null;
  }
  if (data instanceof Date) {
    return toSet(new TemporalRange((Date)data,(Date)data));
  }
 else   if (data instanceof Timestamp) {
    return toSet(new TemporalRange((Timestamp)data,(Timestamp)data));
  }
 else   if (data instanceof Number) {
    final long val=((Number)data).longValue();
    return toSet(new TemporalRange(new Date(val),new Date(val)));
  }
 else   if (data instanceof TemporalRange) {
    return toSet((TemporalRange)data);
  }
 else   if (data instanceof TemporalConstraints) {
    return (TemporalConstraints)data;
  }
 else   if (data instanceof Period) {
    final Position beginPosition=((Period)data).getBeginning().getPosition();
    final Position endPosition=((Period)data).getEnding().getPosition();
    Date s=TemporalRange.START_TIME, e=TemporalRange.START_TIME;
    if (beginPosition.getDate() != null) {
      s=beginPosition.getDate();
    }
 else     if (beginPosition.getTime() != null) {
      s=beginPosition.getTime();
    }
    if (endPosition.getDate() != null) {
      e=endPosition.getDate();
    }
 else     if (endPosition.getTime() != null) {
      e=endPosition.getTime();
    }
    return toSet(new TemporalRange(s,e));
  }
 else   if (data instanceof Instant) {
    final Position beginPosition=((Instant)data).getPosition();
    Date s=TemporalRange.START_TIME;
    if (beginPosition.getDate() != null) {
      s=beginPosition.getDate();
    }
 else     if (beginPosition.getTime() != null) {
      s=beginPosition.getTime();
    }
    return toSet(new TemporalRange(s,s));
  }
  final Date convertedDate=Converters.convert(data,Date.class);
  if (convertedDate != null) {
    return btime(convertedDate);
  }
  return new TemporalConstraints();
}