Program: 139314
Project: 139314
Buggy source:
@Override public void reloadInputModel(){
  TdColumn column=null;
  modelInput.clear();
  synedEleMap.clear();
  for (  ModelElement element : analyzedElements) {
    try {
      column=(TdColumn)element;
      synedEleMap.put(column,null);
      ColumnSet anaColumnSet=ColumnHelper.getColumnSetOwner(column);
      Package anaPackage=ColumnSetHelper.getParentCatalogOrSchema(anaColumnSet);
      if (anaPackage == null) {
        return;
      }
      Package connPackage=null;
      for (      Package pk : newDataProvider.getDataPackage()) {
        if (pk instanceof TdCatalog && anaPackage instanceof TdSchema) {
          Catalog catl=CatalogHelper.getParentCatalog(anaPackage);
          if (pk.getName().equalsIgnoreCase(catl.getName())) {
            connPackage=pk;
            break;
          }
        }
 else         if (pk.getName().equalsIgnoreCase(anaPackage.getName())) {
          connPackage=pk;
          break;
        }
      }
      if (connPackage == null) {
        SynTreeModel synTreeModel=new SynTreeModel(column);
        synTreeModel.setOldDataProvElement(anaPackage);
        modelInput.add(synTreeModel);
        continue;
      }
      List<?> connColumnSetList=null;
      if (connPackage instanceof TdCatalog && anaPackage instanceof TdSchema) {
        for (        TdSchema sche : CatalogHelper.getSchemas((TdCatalog)connPackage)) {
          if (sche.getName().equalsIgnoreCase(anaPackage.getName())) {
            if (anaColumnSet instanceof TdTable) {
              connColumnSetList=PackageHelper.getTables(sche);
            }
 else {
              connColumnSetList=PackageHelper.getViews(sche);
            }
            break;
          }
        }
      }
 else {
        if (anaColumnSet instanceof TdTable) {
          connColumnSetList=PackageHelper.getTables(connPackage);
        }
 else {
          connColumnSetList=PackageHelper.getViews(connPackage);
        }
      }
      ColumnSet connColumnSet=null;
      for (      Object colSet : connColumnSetList) {
        if (((ColumnSet)colSet).getName().equalsIgnoreCase(anaColumnSet.getName())) {
          connColumnSet=(ColumnSet)colSet;
          break;
        }
      }
      if (connColumnSet == null) {
        SynTreeModel synTreeModel=new SynTreeModel(column);
        synTreeModel.setOldDataProvElement(anaColumnSet);
        synTreeModel.setNewDataProvElement(connPackage);
        modelInput.add(synTreeModel);
        continue;
      }
      TdColumn connColumn=null;
      for (      TdColumn loopColumn : ColumnSetHelper.getColumns(connColumnSet)) {
        if (loopColumn.getName().equalsIgnoreCase(column.getName())) {
          connColumn=loopColumn;
          break;
        }
      }
      if (connColumn == null) {
        SynTreeModel synTreeModel=new SynTreeModel(column);
        synTreeModel.setOldDataProvElement(column);
        synTreeModel.setNewDataProvElement(connColumnSet);
        modelInput.add(synTreeModel);
        continue;
      }
      synedEleMap.put(column,connColumn);
      if (!connColumn.getSqlDataType().getName().equals(column.getSqlDataType().getName())) {
        SynTreeModel synTreeModel=new SynTreeModel(column);
        synTreeModel.setOldDataProvElement(column.getSqlDataType());
        modelInput.add(synTreeModel);
        continue;
      }
    }
 catch (    Exception e) {
      log.error(e,e);
      e.printStackTrace();
    }
  }
}

Fixed version (ground truth):
@Override public void reloadInputModel(){
  TdColumn column=null;
  modelInput.clear();
  synedEleMap.clear();
  for (  ModelElement element : analyzedElements) {
    try {
      column=(TdColumn)element;
      synedEleMap.put(column,null);
      ColumnSet anaColumnSet=ColumnHelper.getColumnSetOwner(column);
      Package anaPackage=ColumnSetHelper.getParentCatalogOrSchema(anaColumnSet);
      if (anaPackage == null) {
        return;
      }
      Package connPackage=null;
      for (      Package pk : newDataProvider.getDataPackage()) {
        if (pk instanceof TdCatalog && anaPackage instanceof TdSchema) {
          Catalog catl=CatalogHelper.getParentCatalog(anaPackage);
          if (null != catl && pk.getName().equalsIgnoreCase(catl.getName())) {
            connPackage=pk;
            break;
          }
        }
 else         if (null != anaPackage && pk.getName().equalsIgnoreCase(anaPackage.getName())) {
          connPackage=pk;
          break;
        }
      }
      if (connPackage == null) {
        SynTreeModel synTreeModel=new SynTreeModel(column);
        synTreeModel.setOldDataProvElement(anaPackage);
        modelInput.add(synTreeModel);
        continue;
      }
      List<?> connColumnSetList=null;
      if (connPackage instanceof TdCatalog && anaPackage instanceof TdSchema) {
        for (        TdSchema sche : CatalogHelper.getSchemas((TdCatalog)connPackage)) {
          if (sche.getName().equalsIgnoreCase(anaPackage.getName())) {
            if (anaColumnSet instanceof TdTable) {
              connColumnSetList=PackageHelper.getTables(sche);
            }
 else {
              connColumnSetList=PackageHelper.getViews(sche);
            }
            break;
          }
        }
      }
 else {
        if (anaColumnSet instanceof TdTable) {
          connColumnSetList=PackageHelper.getTables(connPackage);
        }
 else {
          connColumnSetList=PackageHelper.getViews(connPackage);
        }
      }
      ColumnSet connColumnSet=null;
      for (      Object colSet : connColumnSetList) {
        if (((ColumnSet)colSet).getName().equalsIgnoreCase(anaColumnSet.getName())) {
          connColumnSet=(ColumnSet)colSet;
          break;
        }
      }
      if (connColumnSet == null) {
        SynTreeModel synTreeModel=new SynTreeModel(column);
        synTreeModel.setOldDataProvElement(anaColumnSet);
        synTreeModel.setNewDataProvElement(connPackage);
        modelInput.add(synTreeModel);
        continue;
      }
      TdColumn connColumn=null;
      for (      TdColumn loopColumn : ColumnSetHelper.getColumns(connColumnSet)) {
        if (loopColumn.getName().equalsIgnoreCase(column.getName())) {
          connColumn=loopColumn;
          break;
        }
      }
      if (connColumn == null) {
        SynTreeModel synTreeModel=new SynTreeModel(column);
        synTreeModel.setOldDataProvElement(column);
        synTreeModel.setNewDataProvElement(connColumnSet);
        modelInput.add(synTreeModel);
        continue;
      }
      synedEleMap.put(column,connColumn);
      if (!connColumn.getSqlDataType().getName().equals(column.getSqlDataType().getName())) {
        SynTreeModel synTreeModel=new SynTreeModel(column);
        synTreeModel.setOldDataProvElement(column.getSqlDataType());
        modelInput.add(synTreeModel);
        continue;
      }
    }
 catch (    Exception e) {
      log.error(e,e);
      e.printStackTrace();
    }
  }
}