/usr/lib/ada/adalib/log4ada/ is in liblog4ada2-dev 1.2-5.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/ada/adalib/log4ada/log4ada-appenders-consoles.ali
/usr/lib/ada/adalib/log4ada/log4ada-appenders-files.ali
/usr/lib/ada/adalib/log4ada/log4ada-appenders-tcp_stream.ali
/usr/lib/ada/adalib/log4ada/log4ada-appenders-xml.ali
/usr/lib/ada/adalib/log4ada/log4ada-appenders.ali
/usr/lib/ada/adalib/log4ada/log4ada-events.ali
/usr/lib/ada/adalib/log4ada/log4ada-filters.ali
/usr/lib/ada/adalib/log4ada/log4ada-loggers.ali
/usr/lib/ada/adalib/log4ada/log4ada-socket_utilities.ali
/usr/lib/ada/adalib/log4ada/log4ada-types.ali
/usr/lib/ada/adalib/log4ada/log4ada.ali
/usr/lib/ada/adalib/log4ada/options.ali