Program: 95492
Project: 95492
Buggy source:
/** 
 * get the gui representation for parameter value of given param description for first dataset
 * @param node current node
 * @param desc param description belonging to searched param value
 * @param rowCount datasetNumber - 1
 * @return gui representation of parameter value for given parameter description
 */
public static String getGuiStringForParamValue(final IParameterInterfacePO node,final IParamDescriptionPO desc,int rowCount){
  String result=StringConstants.EMPTY;
  IParameterInterfacePO srcNode=node;
  IParamDescriptionPO srcDesc=desc;
  while (srcNode.getReferencedDataCube() != null) {
    srcNode=srcNode.getReferencedDataCube();
    srcDesc=srcNode.getParameterForName(srcDesc.getName());
    if (srcDesc == null || !desc.getType().equals(srcDesc.getType())) {
      return result;
    }
  }
  if (srcDesc == null) {
    return result;
  }
  int col=srcNode.getDataManager().findColumnForParam(srcDesc.getUniqueId());
  if (col > -1 && srcNode.getDataManager().getDataSetCount() > rowCount) {
    IDataSetPO row=srcNode.getDataManager().getDataSet(rowCount);
    try {
      String td=row.getValueAt(col);
      ParamValueConverter conv=new ModelParamValueConverter(td,srcNode,srcDesc);
      result=conv.getGuiString();
    }
 catch (    IndexOutOfBoundsException e) {
    }
  }
  if (col >= -1 && StringUtils.isBlank(result)) {
    if (srcNode instanceof IExecTestCasePO) {
      INodePO specNode=srcNode.getSpecificationUser();
      specNode=((IExecTestCasePO)srcNode).getSpecTestCase();
      if (specNode instanceof ISpecTestCasePO) {
        result=getValueForSpecNodeWithParamDesc(srcDesc,(ISpecTestCasePO)specNode,col);
      }
    }
  }
  return result;
}

Fixed version (ground truth):
/** 
 * get the gui representation for parameter value of given param description for first dataset
 * @param node current node
 * @param desc param description belonging to searched param value
 * @param rowCount datasetNumber - 1
 * @return gui representation of parameter value for given parameter description
 */
public static String getGuiStringForParamValue(final IParameterInterfacePO node,final IParamDescriptionPO desc,int rowCount){
  String result=StringConstants.EMPTY;
  IParameterInterfacePO srcNode=node;
  IParamDescriptionPO srcDesc=desc;
  while (srcNode.getReferencedDataCube() != null) {
    srcNode=srcNode.getReferencedDataCube();
    srcDesc=srcNode.getParameterForName(srcDesc.getName());
    if (srcDesc == null || !desc.getType().equals(srcDesc.getType())) {
      return result;
    }
  }
  if (srcDesc == null) {
    return result;
  }
  int col=srcNode.getDataManager().findColumnForParam(srcDesc.getUniqueId());
  boolean colNotExistend=false;
  boolean foundCol=false;
  int dataSetCount=srcNode.getDataManager().getDataSetCount();
  if (col > -1 && dataSetCount > rowCount) {
    IDataSetPO row=srcNode.getDataManager().getDataSet(rowCount);
    try {
      String td=row.getValueAt(col);
      ParamValueConverter conv=new ModelParamValueConverter(td,srcNode,srcDesc);
      result=conv.getGuiString();
      foundCol=true;
    }
 catch (    IndexOutOfBoundsException e) {
      colNotExistend=true;
    }
  }
  if (col == -1 || colNotExistend || (dataSetCount <= srcNode.getParameterListSize() && StringUtils.isBlank(result) && !foundCol)) {
    if (srcNode instanceof IExecTestCasePO) {
      INodePO specNode=srcNode.getSpecificationUser();
      specNode=((IExecTestCasePO)srcNode).getSpecTestCase();
      if (specNode instanceof ISpecTestCasePO) {
        result=getValueForSpecNodeWithParamDesc(srcDesc,(ISpecTestCasePO)specNode);
      }
    }
  }
  return result;
}