Program: 92419
Project: 92419
Buggy source:
/** 
 * Reads the next event of the packet into the right event definition.
 * @return The event definition containing the event data that was justread.
 * @throws CTFReaderException
 */
public EventDefinition readNextEvent() throws CTFReaderException {
  Long eventID=null;
  long timestamp=0;
  if (getStreamEventHeaderDef() != null) {
    getStreamEventHeaderDef().read(getBitBuffer());
    EnumDefinition idEnumDef=(EnumDefinition)getStreamEventHeaderDef().lookupDefinition("String_Node_Str");
    assert(idEnumDef != null);
    eventID=idEnumDef.getIntegerValue();
    VariantDefinition variantDef=(VariantDefinition)getStreamEventHeaderDef().lookupDefinition("String_Node_Str");
    assert(variantDef != null);
    StructDefinition variantCurrentField=(StructDefinition)variantDef.getCurrentField();
    assert(variantCurrentField != null);
    IntegerDefinition idIntegerDef=(IntegerDefinition)variantCurrentField.lookupDefinition("String_Node_Str");
    if (idIntegerDef != null) {
      eventID=idIntegerDef.getValue();
    }
    IntegerDefinition timestampDef=(IntegerDefinition)variantCurrentField.lookupDefinition("String_Node_Str");
    assert(timestampDef != null);
    timestamp=calculateTimestamp(timestampDef);
  }
  if (getStreamEventContextDef() != null) {
    getStreamEventContextDef().read(getBitBuffer());
  }
  EventDefinition eventDef=events.get(eventID);
  if (eventDef == null) {
    throw new CTFReaderException("String_Node_Str" + eventID);
  }
  if (eventDef.context != null) {
    eventDef.context.read(getBitBuffer());
  }
  if (eventDef.fields != null) {
    int pos=getBitBuffer().position();
    int minAlign=(int)eventDef.fields.getDeclaration().getMinAlign();
    int offset=pos % minAlign;
    pos+=(minAlign - offset) % minAlign;
    getBitBuffer().position(pos);
    eventDef.fields.read(getBitBuffer());
  }
  eventDef.timestamp=timestamp;
  return eventDef;
}

Fixed version (ground truth):
/** 
 * Reads the next event of the packet into the right event definition.
 * @return The event definition containing the event data that was justread.
 * @throws CTFReaderException
 */
public EventDefinition readNextEvent() throws CTFReaderException {
  Long eventID=null;
  long timestamp=0;
  StructDefinition sehd=getStreamEventHeaderDef();
  BitBuffer currentBitBuffer=getBitBuffer();
  if (sehd != null) {
    sehd.read(currentBitBuffer);
    EnumDefinition idEnumDef=(EnumDefinition)sehd.lookupDefinition("String_Node_Str");
    assert(idEnumDef != null);
    eventID=idEnumDef.getIntegerValue();
    VariantDefinition variantDef=(VariantDefinition)sehd.lookupDefinition("String_Node_Str");
    assert(variantDef != null);
    StructDefinition variantCurrentField=(StructDefinition)variantDef.getCurrentField();
    assert(variantCurrentField != null);
    IntegerDefinition idIntegerDef=(IntegerDefinition)variantCurrentField.lookupDefinition("String_Node_Str");
    if (idIntegerDef != null) {
      eventID=idIntegerDef.getValue();
    }
    IntegerDefinition timestampDef=(IntegerDefinition)variantCurrentField.lookupDefinition("String_Node_Str");
    assert(timestampDef != null);
    timestamp=calculateTimestamp(timestampDef);
  }
  if (getStreamEventContextDef() != null) {
    getStreamEventContextDef().read(currentBitBuffer);
  }
  EventDefinition eventDef=events.get(eventID);
  if (eventDef == null) {
    throw new CTFReaderException("String_Node_Str" + eventID);
  }
  if (eventDef.context != null) {
    eventDef.context.read(currentBitBuffer);
  }
  if (eventDef.fields != null) {
    eventDef.fields.read(currentBitBuffer);
  }
  eventDef.timestamp=timestamp;
  return eventDef;
}