Program: 16426
Project: 16426
Buggy source:
private void addTracking(List<String> series){
  final Binding binding=_ctx.getBinding();
  final boolean dotracker=!_ctx.ignoreTracker();
  if (binding != null && series != null && !series.isEmpty()) {
    final Iterator<String> it=series.iterator();
    final String prop=(String)it.next();
    final Binder binder=binding.getBinder();
    final TrackerImpl tracker=(TrackerImpl)binder.getTracker();
    final BindContext bctx=(BindContext)_ctx.getAttribute(BinderImpl.BINDCTX);
    final List<String> srcpath=bctx != null ? getSrcList(bctx) : null;
    final String[] srcprops=srcpath != null ? properties(srcpath) : null;
    final Object base=binding.getComponent().getAttribute(prop,true);
    if (base instanceof Form) {
      final Form formBean=(Form)base;
      final String fieldName=fieldName(it);
      if (fieldName != null) {
        if (binding instanceof SavePropertyBinding) {
          log.debug("String_Node_Str",fieldName,formBean);
          formBean.addSaveFieldName(fieldName);
        }
 else         if (binding instanceof LoadPropertyBinding) {
          log.debug("String_Node_Str",fieldName,formBean);
          formBean.addLoadFieldName(fieldName);
        }
        if (dotracker) {
          tracker.addTracking(binding.getComponent(),new String[]{prop,fieldName},srcprops,binding);
        }
      }
 else {
        if (dotracker) {
          tracker.addTracking(binding.getComponent(),new String[]{prop},srcprops,binding);
        }
      }
    }
 else {
      String[] props=properties(series);
      if (dotracker) {
        tracker.addTracking(binding.getComponent(),props,srcprops,binding);
      }
      if (binding instanceof LoadFormBindingImpl) {
        ((LoadFormBindingImpl)binding).setSeriesLength(props.length);
      }
    }
  }
}

Fixed version (ground truth):
private void addTracking(List<String> series){
  final Binding binding=_ctx.getBinding();
  final boolean dotracker=!_ctx.ignoreTracker();
  if (binding != null && series != null && !series.isEmpty()) {
    final Iterator<String> it=series.iterator();
    final String prop=(String)it.next();
    final Binder binder=binding.getBinder();
    final TrackerImpl tracker=(TrackerImpl)binder.getTracker();
    final BindContext bctx=(BindContext)_ctx.getAttribute(BinderImpl.BINDCTX);
    final List<String> srcpath=bctx != null ? getSrcList(bctx) : null;
    final String[] srcprops=srcpath != null ? properties(srcpath) : null;
    final Component comp=binding.getComponent();
    final Object base=comp.getAttribute(prop,true);
    if (base instanceof Form) {
      final Form formBean=(Form)base;
      final String fieldName=fieldName(it);
      if (fieldName != null) {
        if (binding instanceof SavePropertyBinding) {
          log.debug("String_Node_Str",fieldName,formBean);
          formBean.addSaveFieldName(fieldName);
          tracker.addFormSaveBindingTracking(comp,prop,(SavePropertyBinding)binding);
        }
 else         if (binding instanceof LoadPropertyBinding) {
          log.debug("String_Node_Str",fieldName,formBean);
          formBean.addLoadFieldName(fieldName);
        }
        if (dotracker) {
          tracker.addTracking(comp,new String[]{prop,fieldName},srcprops,binding);
        }
      }
 else {
        if (dotracker) {
          tracker.addTracking(comp,new String[]{prop},srcprops,binding);
        }
      }
    }
 else {
      String[] props=properties(series);
      if (dotracker) {
        tracker.addTracking(binding.getComponent(),props,srcprops,binding);
      }
      if (binding instanceof LoadFormBindingImpl) {
        ((LoadFormBindingImpl)binding).setSeriesLength(props.length);
      }
    }
  }
}