Program: 61711
Project: 61711
Buggy source:
public boolean search(final String txt,boolean ignoreCase,boolean regexp){
  if ((txt != null) && (!txt.isEmpty())) {
    searchPanel.setOptions(ignoreCase,regexp);
    TagTreeModel ttm=(TagTreeModel)mainPanel.tagTree.getModel();
    TreeNode scriptsNode=ttm.getSwfNode(mainPanel.getCurrentSwf()).scriptsNode;
    final List<ABCPanelSearchResult> found=new ArrayList<>();
    if (scriptsNode.getItem() instanceof ClassesListTreeModel) {
      ClassesListTreeModel clModel=(ClassesListTreeModel)scriptsNode.getItem();
      List<MyEntry<ClassPath,ScriptPack>> allpacks=clModel.getList();
      final Pattern pat=regexp ? Pattern.compile(txt,ignoreCase ? Pattern.CASE_INSENSITIVE : 0) : Pattern.compile(Pattern.quote(txt),ignoreCase ? Pattern.CASE_INSENSITIVE : 0);
      int pos=0;
      for (      final MyEntry<ClassPath,ScriptPack> item : allpacks) {
        pos++;
        String workText=AppStrings.translate("String_Node_Str");
        String decAdd="String_Node_Str";
        if (!decompiledTextArea.isCached(item.value)) {
          decAdd="String_Node_Str" + AppStrings.translate("String_Node_Str");
        }
        try {
          CancellableWorker worker=new CancellableWorker(){
            @Override public Void doInBackground() throws Exception {
              decompiledTextArea.cacheScriptPack(item.value,swf.abcList);
              if (pat.matcher(decompiledTextArea.getCachedText(item.value)).find()) {
                ABCPanelSearchResult searchResult=new ABCPanelSearchResult();
                searchResult.scriptPack=item.value;
                searchResult.classPath=item.key;
                found.add(searchResult);
              }
              return null;
            }
          }
;
          worker.execute();
          Main.startWork(workText + "String_Node_Str" + txt+ "String_Node_Str"+ decAdd+ "String_Node_Str"+ pos+ "String_Node_Str"+ allpacks.size()+ "String_Node_Str"+ item.key.toString()+ "String_Node_Str",worker);
          worker.get();
        }
 catch (        InterruptedException ex) {
          break;
        }
catch (        ExecutionException ex) {
          Logger.getLogger(ABCPanel.class.getName()).log(Level.SEVERE,null,ex);
        }
      }
    }
    System.gc();
    Main.stopWork();
    searchPanel.setSearchText(txt);
    final ABCPanel that=this;
    View.execInEventDispatch(new Runnable(){
      @Override public void run(){
        SearchResultsDialog<ABCPanelSearchResult> sr=new SearchResultsDialog<ABCPanelSearchResult>(txt,that);
        sr.setResults(found);
        sr.setVisible(true);
      }
    }
);
    return true;
  }
  return false;
}

Fixed version (ground truth):
public boolean search(final String txt,boolean ignoreCase,boolean regexp){
  if ((txt != null) && (!txt.isEmpty())) {
    searchPanel.setOptions(ignoreCase,regexp);
    TagTreeModel ttm=(TagTreeModel)mainPanel.tagTree.getModel();
    TreeNode scriptsNode=ttm.getSwfNode(mainPanel.getCurrentSwf()).scriptsNode;
    final List<ABCPanelSearchResult> found=new ArrayList<>();
    if (scriptsNode.getItem() instanceof ClassesListTreeModel) {
      ClassesListTreeModel clModel=(ClassesListTreeModel)scriptsNode.getItem();
      List<MyEntry<ClassPath,ScriptPack>> allpacks=clModel.getList();
      final Pattern pat=regexp ? Pattern.compile(txt,ignoreCase ? Pattern.CASE_INSENSITIVE : 0) : Pattern.compile(Pattern.quote(txt),ignoreCase ? Pattern.CASE_INSENSITIVE : 0);
      int pos=0;
      for (      final MyEntry<ClassPath,ScriptPack> item : allpacks) {
        pos++;
        String workText=AppStrings.translate("String_Node_Str");
        String decAdd="String_Node_Str";
        if (!decompiledTextArea.isCached(item.value)) {
          decAdd="String_Node_Str" + AppStrings.translate("String_Node_Str");
        }
        try {
          CancellableWorker worker=new CancellableWorker(){
            @Override public Void doInBackground() throws Exception {
              decompiledTextArea.cacheScriptPack(item.value,swf.abcList);
              if (pat.matcher(decompiledTextArea.getCachedText(item.value)).find()) {
                ABCPanelSearchResult searchResult=new ABCPanelSearchResult();
                searchResult.scriptPack=item.value;
                searchResult.classPath=item.key;
                found.add(searchResult);
              }
              return null;
            }
          }
;
          worker.execute();
          Main.startWork(workText + "String_Node_Str" + txt+ "String_Node_Str"+ decAdd+ "String_Node_Str"+ pos+ "String_Node_Str"+ allpacks.size()+ "String_Node_Str"+ item.key.toString()+ "String_Node_Str",worker);
          worker.get();
        }
 catch (        InterruptedException ex) {
          break;
        }
catch (        ExecutionException ex) {
          Logger.getLogger(ABCPanel.class.getName()).log(Level.SEVERE,null,ex);
        }
      }
    }
    System.gc();
    Main.stopWork();
    searchPanel.setSearchText(txt);
    View.execInEventDispatch(new Runnable(){
      @Override public void run(){
        SearchResultsDialog<ABCPanelSearchResult> sr=new SearchResultsDialog<>(ABCPanel.this.mainPanel.getMainFrame().getWindow(),txt,ABCPanel.this);
        sr.setResults(found);
        sr.setVisible(true);
      }
    }
);
    return true;
  }
  return false;
}