xdry detects duplicated behaviour in your application, even if the duplicated passages are not exact matches to each other. Likely you should read a bit about the theoretical background for a better understanding.
Download latest release and run via
./xdry {path_to_project} -h
There's also a Docker image available. You can you this via
docker run -v {path_to_project}:/project leovie/xdry -h
see here
Special thank you belongs to queo GmbH for sponsoring the development and maintenance of xdry.