Program: 10194
Project: 10194
Buggy source:
public void init(){
  menu=new JPopupMenu();
  if (!(desc instanceof Negation)) {
    if (desc instanceof NamedClass) {
      menu.add(new DescriptionMenuItem("String_Node_Str" + desc.toString(),desc));
      JMenu dme=new JMenu("String_Node_Str" + desc.toString() + "String_Node_Str");
      for (      NamedClass nc : ore.getpossibleMoveClasses(ind))       dme.add(new MoveMenuItem((NamedClass)desc,nc));
      menu.add(dme);
    }
 else     if (desc instanceof ObjectSomeRestriction) {
      menu.add(new DescriptionMenuItem("String_Node_Str" + ((ObjectSomeRestriction)desc).getRole(),desc));
      System.out.println(desc.getChild(0).getClass());
      if (!(desc.getChild(0) instanceof Thing)) {
        JMenu dme=new JMenu("String_Node_Str" + ((ObjectSomeRestriction)desc).getRole() + "String_Node_Str");
        for (        Individual i : ore.getIndividualsNotOfPropertyRange((ObjectSomeRestriction)desc,ind))         dme.add(new DescriptionMenuItem(i.getName(),desc.getChild(0)));
        menu.add(dme);
      }
    }
  }
 else   if (desc instanceof Negation) {
    if (desc.getChild(0) instanceof NamedClass) {
      DescriptionMenuItem item=new DescriptionMenuItem("String_Node_Str" + desc.getChild(0).toString(),desc.getChild(0));
      menu.add(item);
      if (ore.hasComplement(desc,ind)) {
        item.setEnabled(false);
        item.setToolTipText("String_Node_Str");
      }
    }
 else     if (desc.getChild(0) instanceof ObjectSomeRestriction) {
      JMenu dme=new JMenu("String_Node_Str" + desc.toString() + "String_Node_Str");
      for (      Individual i : ore.getIndividualsOfPropertyRange((ObjectSomeRestriction)desc.getChild(0),ind))       dme.add(new DescriptionMenuItem(i.getName(),desc.getChild(0)));
      menu.add(dme);
    }
  }
}

Fixed version (ground truth):
public void init(){
  menu=new JPopupMenu();
  if (!(desc instanceof Negation)) {
    if (desc instanceof NamedClass) {
      menu.add(new DescriptionMenuItem("String_Node_Str" + desc.toString(),desc));
      JMenu dme=new JMenu("String_Node_Str" + desc.toString() + "String_Node_Str");
      for (      NamedClass nc : ore.getpossibleMoveClasses(ind)) {
        MoveMenuItem move=new MoveMenuItem((NamedClass)desc,nc);
        dme.add(move);
        Set<NamedClass> complements=ore.getComplements(nc,ind);
        System.out.println("String_Node_Str" + complements.size());
        if (!(complements.size() <= 1)) {
          move.setEnabled(false);
          StringBuffer strBuf=new StringBuffer();
          strBuf.append("String_Node_Str" + "String_Node_Str");
          for (          NamedClass n : complements)           strBuf.append("String_Node_Str" + n + "String_Node_Str");
          strBuf.append("String_Node_Str");
          move.setToolTipText(strBuf.toString());
        }
      }
      menu.add(dme);
    }
 else     if (desc instanceof ObjectSomeRestriction) {
      menu.add(new DescriptionMenuItem("String_Node_Str" + ((ObjectSomeRestriction)desc).getRole(),desc));
      if (!(desc.getChild(0) instanceof Thing))       menu.add(new DescriptionMenuItem("String_Node_Str" + ((ObjectSomeRestriction)desc).getChild(0),desc));
    }
 else     if (desc instanceof ObjectAllRestriction) {
      if (!(desc.getChild(0) instanceof Thing)) {
        JMenu dme=new JMenu("String_Node_Str" + ((ObjectAllRestriction)desc).getRole() + "String_Node_Str");
        for (        Individual i : ore.getIndividualsNotOfPropertyRange((ObjectAllRestriction)desc,ind))         dme.add(new DescriptionMenuItem(i.getName(),desc.getChild(0)));
        menu.add(dme);
      }
    }
  }
 else   if (desc instanceof Negation) {
    if (desc.getChild(0) instanceof NamedClass) {
      DescriptionMenuItem item=new DescriptionMenuItem("String_Node_Str" + desc.getChild(0).toString(),desc.getChild(0));
      menu.add(item);
      if (!ore.getComplements(desc,ind).isEmpty()) {
        item.setEnabled(false);
        item.setToolTipText("String_Node_Str");
      }
    }
 else     if (desc.getChild(0) instanceof ObjectSomeRestriction) {
      JMenu dme=new JMenu("String_Node_Str" + desc.toString() + "String_Node_Str");
      for (      Individual i : ore.getIndividualsOfPropertyRange((ObjectSomeRestriction)desc.getChild(0),ind))       dme.add(new DescriptionMenuItem(i.getName(),desc.getChild(0)));
      menu.add(dme);
    }
  }
}