You can see the list of types of files which should be (or not be) under version control at "Content management files for Rational Rhapsody".
They are also listed at "Project files and directories".
In particular:
*.ehl
Events history list, which stores animation commands, such as event generation
Does not require configuration management.<Project>.rpw
Workspace settings file. Preserves the workspace settings for the project.
Usually not versioned (private to the user's environment).load.log
A log of when various repository files were loaded into the product, including any errors that might have occurred during the loading and resolution phases.store.log
A log recording when the project was saved.
Both logs shouldn't be versioned.