Program: 140365
Project: 140365
Buggy source:
@SuppressWarnings("String_Node_Str") private static ModelElement getModelElement(IFile file){
  ModelElement findModelElement=null;
  if (file.getFileExtension().equalsIgnoreCase(FactoriesUtil.PROV)) {
    TypedReturnCode<TdDataProvider> returnValue=PrvResourceFileHelper.getInstance().readFromFile(file);
    findModelElement=returnValue.getObject();
    NeedSaveDataProviderHelper.remove(findModelElement.eResource().getURI().path());
  }
 else   if (file.getFileExtension().equalsIgnoreCase(FactoriesUtil.ANA)) {
    findModelElement=AnaResourceFileHelper.getInstance().readFromFile(file);
  }
 else   if (file.getFileExtension().equalsIgnoreCase(FactoriesUtil.REP)) {
    findModelElement=RepResourceFileHelper.getInstance().readFromFile(file);
    if (findModelElement == null) {
      return findModelElement;
    }
    List<Resource> modifiedResources=new ArrayList<Resource>();
    for (    RenderedObject renderedObj : ((TdReport)findModelElement).getComponent()) {
      EList<Dependency> supplierDependencies=renderedObj.getSupplierDependency();
      for (      Dependency dependency : supplierDependencies) {
        EList<ModelElement> client=dependency.getClient();
        for (        ModelElement modelElement : client) {
          Resource clientResource=modelElement.eResource();
          URI resURI=clientResource.getURI();
          if (resURI.toString().equals(findModelElement.eResource().getURI().toString())) {
            modifiedResources.add(renderedObj.eResource());
            AnaResourceFileHelper.getInstance().clear();
          }
        }
        client.clear();
      }
    }
    EMFUtil util=EMFSharedResources.getSharedEmfUtil();
    for (    Resource resource : modifiedResources) {
      util.saveSingleResource(resource);
    }
  }
 else   if (file.getFileExtension().equalsIgnoreCase(FactoriesUtil.PATTERN)) {
    findModelElement=PatternResourceFileHelper.getInstance().findPattern(file);
  }
  return findModelElement;
}

Fixed version (ground truth):
@SuppressWarnings("String_Node_Str") private static ModelElement getModelElement(IFile file){
  ModelElement findModelElement=null;
  if (file.getFileExtension().equalsIgnoreCase(FactoriesUtil.PROV)) {
    TypedReturnCode<TdDataProvider> returnValue=PrvResourceFileHelper.getInstance().readFromFile(file);
    findModelElement=returnValue.getObject();
  }
 else   if (file.getFileExtension().equalsIgnoreCase(FactoriesUtil.ANA)) {
    findModelElement=AnaResourceFileHelper.getInstance().readFromFile(file);
  }
 else   if (file.getFileExtension().equalsIgnoreCase(FactoriesUtil.REP)) {
    findModelElement=RepResourceFileHelper.getInstance().readFromFile(file);
    if (findModelElement == null) {
      return findModelElement;
    }
    List<Resource> modifiedResources=new ArrayList<Resource>();
    for (    RenderedObject renderedObj : ((TdReport)findModelElement).getComponent()) {
      EList<Dependency> supplierDependencies=renderedObj.getSupplierDependency();
      for (      Dependency dependency : supplierDependencies) {
        EList<ModelElement> client=dependency.getClient();
        for (        ModelElement modelElement : client) {
          Resource clientResource=modelElement.eResource();
          URI resURI=clientResource.getURI();
          if (resURI.toString().equals(findModelElement.eResource().getURI().toString())) {
            modifiedResources.add(renderedObj.eResource());
            AnaResourceFileHelper.getInstance().clear();
          }
        }
        client.clear();
      }
    }
    EMFUtil util=EMFSharedResources.getSharedEmfUtil();
    for (    Resource resource : modifiedResources) {
      util.saveSingleResource(resource);
    }
  }
 else   if (file.getFileExtension().equalsIgnoreCase(FactoriesUtil.PATTERN)) {
    findModelElement=PatternResourceFileHelper.getInstance().findPattern(file);
  }
  return findModelElement;
}