Program: 132209
Project: 132209
Buggy source:
@SuppressWarnings("String_Node_Str") public void deleteServicePathContainingFunction(ServiceFunction serviceFunction){
  printTraceStart(LOG);
  InstanceIdentifier<ServiceFunctionPath> sfpIID;
  ServiceFunctionState serviceFunctionState;
  ServiceFunctionStateKey serviceFunctionStateKey=new ServiceFunctionStateKey(serviceFunction.getName());
  InstanceIdentifier<ServiceFunctionState> sfStateIID=InstanceIdentifier.builder(ServiceFunctionsState.class).child(ServiceFunctionState.class,serviceFunctionStateKey).build();
  ReadOnlyTransaction readTx=odlSfc.getDataProvider().newReadOnlyTransaction();
  Optional<ServiceFunctionState> serviceFunctionStateObject=null;
  try {
    serviceFunctionStateObject=readTx.read(LogicalDatastoreType.OPERATIONAL,sfStateIID).get();
  }
 catch (  InterruptedException|ExecutionException e) {
    LOG.error("String_Node_Str");
    return;
  }
  if ((serviceFunctionStateObject != null) && (serviceFunctionStateObject.get() instanceof ServiceFunctionState)) {
    serviceFunctionState=serviceFunctionStateObject.get();
    List<String> sfServiceFunctionPathList=serviceFunctionState.getSfServiceFunctionPath();
    List<String> removedPaths=new ArrayList<>();
    for (    String pathName : sfServiceFunctionPathList) {
      ServiceFunctionPathKey serviceFunctionPathKey=new ServiceFunctionPathKey(pathName);
      sfpIID=InstanceIdentifier.builder(ServiceFunctionPaths.class).child(ServiceFunctionPath.class,serviceFunctionPathKey).build();
      WriteTransaction writeTx=odlSfc.getDataProvider().newWriteOnlyTransaction();
      writeTx.delete(LogicalDatastoreType.CONFIGURATION,sfpIID);
      writeTx.commit();
      removedPaths.add(pathName);
    }
    if (removedPaths.containsAll(sfServiceFunctionPathList)) {
      SfcProviderServiceFunctionAPI.deleteServiceFunctionState(serviceFunction.getName());
    }
 else {
      LOG.error("String_Node_Str",serviceFunction.getName());
    }
  }
 else {
    LOG.warn("String_Node_Str",serviceFunction.getName());
  }
  printTraceStop(LOG);
}

Fixed version (ground truth):
@SuppressWarnings("String_Node_Str") public void deleteServicePathContainingFunction(ServiceFunction serviceFunction){
  printTraceStart(LOG);
  InstanceIdentifier<ServiceFunctionPath> sfpIID;
  ServiceFunctionState serviceFunctionState;
  ServiceFunctionStateKey serviceFunctionStateKey=new ServiceFunctionStateKey(serviceFunction.getName());
  InstanceIdentifier<ServiceFunctionState> sfStateIID=InstanceIdentifier.builder(ServiceFunctionsState.class).child(ServiceFunctionState.class,serviceFunctionStateKey).build();
  ReadOnlyTransaction readTx=odlSfc.getDataProvider().newReadOnlyTransaction();
  Optional<ServiceFunctionState> serviceFunctionStateObject;
  try {
    serviceFunctionStateObject=readTx.read(LogicalDatastoreType.OPERATIONAL,sfStateIID).get();
  }
 catch (  InterruptedException|ExecutionException e) {
    LOG.error("String_Node_Str");
    return;
  }
  if ((serviceFunctionStateObject.isPresent()) && (serviceFunctionStateObject.get() instanceof ServiceFunctionState)) {
    serviceFunctionState=serviceFunctionStateObject.get();
    List<String> sfServiceFunctionPathList=serviceFunctionState.getSfServiceFunctionPath();
    List<String> removedPaths=new ArrayList<>();
    for (    String pathName : sfServiceFunctionPathList) {
      ServiceFunctionPathKey serviceFunctionPathKey=new ServiceFunctionPathKey(pathName);
      sfpIID=InstanceIdentifier.builder(ServiceFunctionPaths.class).child(ServiceFunctionPath.class,serviceFunctionPathKey).build();
      WriteTransaction writeTx=odlSfc.getDataProvider().newWriteOnlyTransaction();
      writeTx.delete(LogicalDatastoreType.CONFIGURATION,sfpIID);
      CheckedFuture<Void,TransactionCommitFailedException> submitFuture=writeTx.submit();
      Futures.addCallback(submitFuture,new SfcDataStoreCallback());
      removedPaths.add(pathName);
    }
    if (removedPaths.containsAll(sfServiceFunctionPathList)) {
      SfcProviderServiceFunctionAPI.deleteServiceFunctionState(serviceFunction.getName());
    }
 else {
      LOG.error("String_Node_Str",serviceFunction.getName());
    }
  }
 else {
    LOG.warn("String_Node_Str",serviceFunction.getName());
  }
  printTraceStop(LOG);
}