but ubuntu have not 415+ driver, only 410.
you should install CUDA 10:
wget http://developer.download.nvidia.com/compute/cuda/repos/ubuntu1604/x86_64/cuda-repo-ubuntu1604_10.0.130-1_amd64.deb
dpkg -i cuda-repo-ubuntu1604_10.0.130-1_amd64.deb
apt-key adv --fetch-keys http://developer.download.nvidia.com/compute/cuda/repos/ubuntu1604/x86_64/7fa2af80.pub
apt-get update
apt-get install cuda-libraries-10-0
i installed 410.73 driver
nvidia-smi
Mon Nov 5 23:29:16 2018
+-----------------------------------------------------------------------------+
| NVIDIA-SMI 410.73 Driver Version: 410.73 CUDA Version: 10.0
installed cuda 10
nvcc --version
nvcc: NVIDIA (R) Cuda compiler driver
Copyright (c) 2005-2018 NVIDIA Corporation
Built on Sat_Aug_25_21:08:01_CDT_2018
Cuda compilation tools, release 10.0, V10.0.130
but it's not resolve the problem =(