Program: 10115
Project: 10115
Buggy source:
/** 
 * When a Button is pressed this method select the right.
 * @param z ActionEvent 
 */
public void actionPerformed(ActionEvent z){
  if (z.getActionCommand().equals("String_Node_Str")) {
    view.getPosAndNegSelectPanel().setOptionSpinner();
  }
  if (z.getActionCommand().equals("String_Node_Str" + id)) {
    if (model.getAlreadyLearned()) {
      model.unsetListModel();
    }
    if (view.getPosAndNegSelectPanel().getPosAndNegSelectPanel().getComponentCount() <= 2) {
      view.renderErrorMessage("String_Node_Str");
    }
 else {
      model.setKnowledgeSource();
      model.setReasoner();
      model.setPositiveAndNegativeExamples();
      model.setLearningProblem();
      model.setLearningAlgorithm();
      this.dlLearner=new Thread(model);
      dlLearner.start();
      view.getRunButton().setEnabled(false);
      view.renderErrorMessage("String_Node_Str");
      view.getPosAndNegSelectPanel().unsetCheckBoxes();
    }
  }
  if (z.getActionCommand().equals("String_Node_Str")) {
    if (evaluatedDescription != null) {
      model.changeDLLearnerDescriptionsToOWLDescriptions(evaluatedDescription.getDescription());
    }
 else {
      model.changeDLLearnerDescriptionsToOWLDescriptions((Description)view.getSuggestClassPanel().getSuggestList().getSelectedValue());
    }
    String message="String_Node_Str";
    view.renderErrorMessage(message);
  }
  if (z.getActionCommand().equals("String_Node_Str")) {
    if (z.getSource().toString().contains("String_Node_Str")) {
      String help="String_Node_Str";
      view.getPosAndNegSelectPanel().renderHelpMessage(help);
    }
    if (z.getSource().toString().contains("String_Node_Str")) {
      String help="String_Node_Str";
      view.getPosAndNegSelectPanel().renderHelpMessage(help);
    }
  }
  if (z.getActionCommand().equals("String_Node_Str")) {
    if (!toggled) {
      toggled=true;
      view.setIconToggled(toggled);
      view.setExamplePanelVisible(toggled);
    }
 else {
      toggled=false;
      view.setIconToggled(toggled);
      view.setExamplePanelVisible(toggled);
    }
  }
  if (z.getActionCommand().equals("String_Node_Str")) {
    view.getMoreDetailForSuggestedConceptsPanel().renderDetailPanel(evaluatedDescription);
  }
}

Fixed version (ground truth):
/** 
 * When a Button is pressed this method select the right.
 * @param z ActionEvent 
 */
public void actionPerformed(ActionEvent z){
  if (z.getActionCommand().equals("String_Node_Str")) {
    view.getPosAndNegSelectPanel().setOptionSpinner();
  }
  if (z.getActionCommand().equals("String_Node_Str" + id)) {
    if (model.getAlreadyLearned()) {
      model.unsetListModel();
    }
    if (view.getPosAndNegSelectPanel().getPosAndNegSelectPanel().getComponentCount() <= 2) {
      view.renderErrorMessage("String_Node_Str");
    }
 else {
      model.setKnowledgeSource();
      model.setReasoner();
      model.setPositiveAndNegativeExamples();
      model.setLearningProblem();
      model.setLearningAlgorithm();
      this.dlLearner=new Thread(model);
      dlLearner.start();
      view.getRunButton().setEnabled(false);
      view.renderErrorMessage("String_Node_Str");
      view.getPosAndNegSelectPanel().unsetCheckBoxes();
    }
  }
  if (z.getActionCommand().equals("String_Node_Str")) {
    if (evaluatedDescription != null) {
      model.changeDLLearnerDescriptionsToOWLDescriptions(evaluatedDescription.getDescription());
    }
 else {
      model.changeDLLearnerDescriptionsToOWLDescriptions((Description)view.getSuggestClassPanel().getSuggestList().getSelectedValue());
    }
    String message="String_Node_Str";
    view.renderErrorMessage(message);
    view.updateWindow();
  }
  if (z.getActionCommand().equals("String_Node_Str")) {
    if (z.getSource().toString().contains("String_Node_Str")) {
      String help="String_Node_Str";
      view.getPosAndNegSelectPanel().renderHelpMessage(help);
    }
    if (z.getSource().toString().contains("String_Node_Str")) {
      String help="String_Node_Str";
      view.getPosAndNegSelectPanel().renderHelpMessage(help);
    }
  }
  if (z.getActionCommand().equals("String_Node_Str")) {
    if (!toggled) {
      toggled=true;
      view.setIconToggled(toggled);
      view.setExamplePanelVisible(toggled);
    }
 else {
      toggled=false;
      view.setIconToggled(toggled);
      view.setExamplePanelVisible(toggled);
    }
  }
  if (z.getActionCommand().equals("String_Node_Str")) {
    view.getMoreDetailForSuggestedConceptsPanel().renderDetailPanel(evaluatedDescription);
  }
}