You can uninstall or removes an installed boolector package itself from Ubuntu 16.10 (Yakkety Yak) through the terminal,
$ sudo apt-get remove boolector
If you would like to remove boolector and it's dependent packages which are no longer needed from Ubuntu,
$ sudo apt-get remove --auto-remove boolector
If you use with purge options to boolector package all the configuration and dependent packages will be removed.
$ sudo apt-get purge boolector
If you use purge options along with auto remove, will be removed everything regarding the package, It's really useful when you want to reinstall again.
$ sudo apt-get purge --auto-remove boolector