Program: 9970
Project: 9970
Buggy source:
/** 
 * This is the constructor for the GraphicalCoveragePanel.
 * @param desc EvaluatedDescription
 * @param m DLLearnerModel
 * @param concept String
 * @param p MoreDetailForSuggestedConceptsPanel
 */
public GraphicalCoveragePanel(EvaluatedDescription desc,DLLearnerModel m,String concept,MoreDetailForSuggestedConceptsPanel p){
  this.setVisible(false);
  this.setForeground(Color.GREEN);
  this.setPreferredSize(new Dimension(500,230));
  eval=desc;
  model=m;
  panel=p;
  this.repaint();
  id=model.getID();
  darkGreen=new Color(0,100,0);
  darkRed=new Color(205,0,0);
  random=new Random();
  conceptNew=concept;
  conceptVector=new Vector<String>();
  posCovIndVector=new Vector<IndividualPoint>();
  posNotCovIndVector=new Vector<IndividualPoint>();
  additionalIndividuals=new Vector<IndividualPoint>();
  points=new Vector<IndividualPoint>();
  this.computeGraphics(0,0);
  handler=new GraphicalCoveragePanelHandler(this,desc,model);
  if (shiftXAxis == 0) {
    oldConcept=new Ellipse2D.Double(ELLIPSE_X_AXIS + (2 * adjustment) + 3,ELLIPSE_Y_AXIS + 3,WIDTH,HEIGHT);
  }
 else {
    oldConcept=new Ellipse2D.Double(ELLIPSE_X_AXIS + (2 * adjustment),ELLIPSE_Y_AXIS,WIDTH,HEIGHT);
  }
  if (shiftXAxis == 0) {
    newConcept=new Ellipse2D.Double(ELLIPSE_X_AXIS + shiftXAxis + adjustment,ELLIPSE_Y_AXIS,WIDTH + distortionOld + 6,HEIGHT + distortionOld + 6);
  }
 else {
    newConcept=new Ellipse2D.Double(ELLIPSE_X_AXIS + shiftXAxis + adjustment,ELLIPSE_Y_AXIS,WIDTH + distortionOld,HEIGHT + distortionOld);
  }
  this.computeIndividualPoints(300);
  this.addMouseMotionListener(handler);
  this.addMouseListener(handler);
}

Fixed version (ground truth):
/** 
 * This is the constructor for the GraphicalCoveragePanel.
 * @param desc EvaluatedDescription
 * @param m DLLearnerModel
 * @param concept String
 * @param p MoreDetailForSuggestedConceptsPanel
 */
public GraphicalCoveragePanel(EvaluatedDescription desc,DLLearnerModel m,String concept,MoreDetailForSuggestedConceptsPanel p){
  this.setVisible(false);
  this.setForeground(Color.GREEN);
  this.setPreferredSize(new Dimension(540,230));
  eval=desc;
  model=m;
  panel=p;
  this.repaint();
  id=model.getID();
  darkGreen=new Color(0,100,0);
  darkRed=new Color(205,0,0);
  random=new Random();
  conceptNew=concept;
  conceptVector=new Vector<String>();
  posCovIndVector=new Vector<IndividualPoint>();
  posNotCovIndVector=new Vector<IndividualPoint>();
  additionalIndividuals=new Vector<IndividualPoint>();
  points=new Vector<IndividualPoint>();
  this.computeGraphics(0,0);
  handler=new GraphicalCoveragePanelHandler(this,desc,model);
  if (shiftXAxis == 0) {
    oldConcept=new Ellipse2D.Double(ELLIPSE_X_AXIS + (2 * adjustment) + 3,ELLIPSE_Y_AXIS + 3,WIDTH,HEIGHT);
  }
 else {
    oldConcept=new Ellipse2D.Double(ELLIPSE_X_AXIS + (2 * adjustment),ELLIPSE_Y_AXIS,WIDTH,HEIGHT);
  }
  if (shiftXAxis == 0) {
    newConcept=new Ellipse2D.Double(ELLIPSE_X_AXIS + shiftXAxis + adjustment,ELLIPSE_Y_AXIS,WIDTH + distortionOld + 6,HEIGHT + distortionOld + 6);
  }
 else {
    newConcept=new Ellipse2D.Double(ELLIPSE_X_AXIS + shiftXAxis + adjustment,ELLIPSE_Y_AXIS,WIDTH + distortionOld,HEIGHT + distortionOld);
  }
  this.computeIndividualPoints(300);
  this.addMouseMotionListener(handler);
  this.addMouseListener(handler);
}