/etc/OpenCL/vendors/intel-beignet-x86_64-linux-gnu.icd is in beignet-opencl-icd 1.3.2-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1
/usr/lib/x86_64-linux-gnu/beignet//libcl.so