/usr/lib/linux-tools/4.15.0-34-generic/acpidbg is in linux-tools-4.15.0-34-generic 4.15.0-34.37.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/linux-tools/4.15.0-34-generic/../../linux-tools-4.15.0-34/acpidbg