nvidia-smi output

Hi,
When I execute nvidia-smi I got this “CUDA Version: 10.0” information located at the upper right corner in the table below. What does that mean? Where does it read this info? I have installed CUDA 8, 9 an 9.2. Coudn’t find any info about that in nvidia-smi.txt:

http://developer.download.nvidia.com/compute/DCGM/docs/nvidia-smi-367.38.pdf
Regards,
Eduardo

+-----------------------------------------------------------------------------+
| NVIDIA-SMI 410.73       Driver Version: 410.73       CUDA Version: 10.0     |
|-------------------------------+----------------------+----------------------+
| GPU  Name        Persistence-M| Bus-Id        Disp.A | Volatile Uncorr. ECC |
| Fan  Temp  Perf  Pwr:Usage/Cap|         Memory-Usage | GPU-Util  Compute M. |
|===============================+======================+======================|
|   0  Tesla K80           Off  | 00000000:84:00.0 Off |                    0 |
| N/A   24C    P8    26W / 149W |      7MiB / 11441MiB |      0%      Default |
+-------------------------------+----------------------+----------------------+
|   1  Tesla K80           Off  | 00000000:85:00.0 Off |                    0 |
| N/A   29C    P8    30W / 149W |      6MiB / 11441MiB |      0%      Default |
+-------------------------------+----------------------+----------------------+

nvidia-smi is part of the NVIDIA driver installation. This frequently(?) confusing piece of information tells you the latest CUDA version supported by the installed driver. Newer drivers support older CUDA versions. The information displayed is not related to any CUDA versions you may or may not have installed on your machine.