acl2-books 7.4dfsg-1 (s390x binary) in ubuntu artful

 ACL2 is both a programming language in which you can model computer
 systems and a tool to help you prove properties of those models.
 .
 This package contains numerous precompiled and precertified libraries
 for use in proving theorems with ACL2. Serious users will no doubt
 want to install this package.