Program: 10446
Project: 10446
Buggy source:
public MapViewController(){
  getNavigationItem().setTitle("String_Node_Str");
  locationManager=new CLLocationManager();
  UIView view=getView();
  view.setBackgroundColor(UIColor.fromWhiteAlpha(0.75,1));
  mapView=new MKMapView();
  mapView.setMultipleTouchEnabled(true);
  mapView.setShowsUserLocation(true);
  mapView.setTranslatesAutoresizingMaskIntoConstraints(false);
  view.addSubview(mapView);
  UIToolbar toolbar=new UIToolbar();
  toolbar.setBarStyle(UIBarStyle.Black);
  toolbar.setTranslatesAutoresizingMaskIntoConstraints(false);
  getAddressButton=new UIBarButtonItem("String_Node_Str",UIBarButtonItemStyle.Plain,new UIBarButtonItem.OnClickListener(){
    @Override public void onClick(    UIBarButtonItem barButtonItem){
      placeMarkViewController.setPlacemark(placemark);
      getNavigationController().pushViewController(placeMarkViewController,true);
    }
  }
);
  getAddressButton.setEnabled(false);
  toolbar.setItems(new NSArray<>(new UIBarButtonItem(UIBarButtonSystemItem.FlexibleSpace,null),getAddressButton,new UIBarButtonItem(UIBarButtonSystemItem.FlexibleSpace,null)));
  view.addSubview(toolbar);
  Map<String,NSObjectProtocol> views=new HashMap<>();
  views.put("String_Node_Str",getTopLayoutGuide());
  views.put("String_Node_Str",mapView);
  views.put("String_Node_Str",toolbar);
  view.addConstraints(NSLayoutConstraint.create("String_Node_Str",NSLayoutFormatOptions.None,null,views));
  view.addConstraints(NSLayoutConstraint.create("String_Node_Str",NSLayoutFormatOptions.None,null,views));
  view.addConstraints(NSLayoutConstraint.create("String_Node_Str",NSLayoutFormatOptions.None,null,views));
  mapView.setDelegate(new MKMapViewDelegateAdapter(){
    @Override public void didUpdateUserLocation(    final MKMapView mapView,    final MKUserLocation userLocation){
      final MachineSizedSIntPtr centerMapFirstTime=new MachineSizedSIntPtr();
      if ((userLocation.getCoordinate().getLatitude() != 0.0) && (userLocation.getCoordinate().getLongitude() != 0.0)) {
        Dispatch.once(centerMapFirstTime,new Runnable(){
          @Override public void run(){
            mapView.setCenterCoordinate(userLocation.getCoordinate(),true);
          }
        }
);
      }
      geocoder.reverseGeocodeLocation(mapView.getUserLocation().getLocation(),new VoidBlock2<NSArray<CLPlacemark>,NSError>(){
        @Override public void invoke(        NSArray<CLPlacemark> placemarks,        NSError error){
          if (placemarks != null && placemarks.size() > 0) {
            placemark=placemarks.get(0);
            getAddressButton.setEnabled(true);
          }
 else {
          }
        }
      }
);
    }
  }
);
  placeMarkViewController=new PlaceMarkViewController();
  geocoder=new CLGeocoder();
}

Fixed version (ground truth):
public MapViewController(){
  getNavigationItem().setTitle("String_Node_Str");
  locationManager=new CLLocationManager();
  UIView view=getView();
  view.setBackgroundColor(UIColor.fromWhiteAlpha(0.75,1));
  mapView=new MKMapView();
  mapView.setMultipleTouchEnabled(true);
  mapView.setShowsUserLocation(true);
  mapView.setTranslatesAutoresizingMaskIntoConstraints(false);
  view.addSubview(mapView);
  UIToolbar toolbar=new UIToolbar();
  toolbar.setBarStyle(UIBarStyle.Black);
  toolbar.setTranslatesAutoresizingMaskIntoConstraints(false);
  getAddressButton=new UIBarButtonItem("String_Node_Str",UIBarButtonItemStyle.Plain,new UIBarButtonItem.OnClickListener(){
    @Override public void onClick(    UIBarButtonItem barButtonItem){
      placeMarkViewController.setPlacemark(placemark);
      getNavigationController().pushViewController(placeMarkViewController,true);
    }
  }
);
  getAddressButton.setEnabled(false);
  toolbar.setItems(new NSArray<>(new UIBarButtonItem(UIBarButtonSystemItem.FlexibleSpace,null),getAddressButton,new UIBarButtonItem(UIBarButtonSystemItem.FlexibleSpace,null)));
  view.addSubview(toolbar);
  Map<String,NSObjectProtocol> views=new HashMap<>();
  views.put("String_Node_Str",getTopLayoutGuide());
  views.put("String_Node_Str",mapView);
  views.put("String_Node_Str",toolbar);
  view.addConstraints(NSLayoutConstraint.create("String_Node_Str",NSLayoutFormatOptions.None,null,views));
  view.addConstraints(NSLayoutConstraint.create("String_Node_Str",NSLayoutFormatOptions.None,null,views));
  view.addConstraints(NSLayoutConstraint.create("String_Node_Str",NSLayoutFormatOptions.None,null,views));
  mapView.setDelegate(new MKMapViewDelegateAdapter(){
    @Override public void didUpdateUserLocation(    final MKMapView mapView,    final MKUserLocation userLocation){
      if ((userLocation.getCoordinate().getLatitude() != 0.0) && (userLocation.getCoordinate().getLongitude() != 0.0)) {
        Dispatch.once(new Runnable(){
          @Override public void run(){
            mapView.setCenterCoordinate(userLocation.getCoordinate(),true);
          }
        }
);
      }
      geocoder.reverseGeocodeLocation(mapView.getUserLocation().getLocation(),new VoidBlock2<NSArray<CLPlacemark>,NSError>(){
        @Override public void invoke(        NSArray<CLPlacemark> placemarks,        NSError error){
          if (placemarks != null && placemarks.size() > 0) {
            placemark=placemarks.get(0);
            getAddressButton.setEnabled(true);
          }
 else {
          }
        }
      }
);
    }
  }
);
  placeMarkViewController=new PlaceMarkViewController();
  geocoder=new CLGeocoder();
}