On the recordRead 30 Sep 202620 facts
ACL2
On the record
- Build time
- The documentation says building all Community Books can take hours and is usually unnecessary.acl2.org · read 30 Sep 2026
- Community
- The ACL2 community page describes its user community as active and welcoming to new users, with GitHub Issues available for reporting problems.acl2.org · read 30 Sep 2026
- Community Books
- The Community Books include lemma libraries, macros, interfacing tools, proof automation and debugging tools, and specialty libraries such as hardware-verification libraries.acl2.org · read 30 Sep 2026
- Community libraries
- The ACL2 Community Books are open-source libraries that include lemma libraries, macros, interfacing tools, proof-automation and debugging tools, and hardware-verification libraries.acl2.org · read 29 Sep 2026
- Community support
- The acl2, acl2-help, and acl2-books mailing lists serve general discussion, user help, and discussion of developments in ACL2 and its Community Books.acl2.org · read 29 Sep 2026
- Development snapshot
- The page says development snapshots from GitHub are minimally tested and pre-built binary distributions are generally unavailable.acl2.org · read 30 Sep 2026
- Development version
- The installation instructions describe GitHub development snapshots as minimally tested and say prebuilt binaries are generally unavailable for them.acl2.org · read 29 Sep 2026
- Documentation
- Documentation is available online, as downloadable local manuals, through an Emacs browser, and at the ACL2 terminal with the :doc command.acl2.org · read 29 Sep 2026
- External dependency
- Some Community Books based on satlink and gl require an installed SAT solver, typically Glucose.acl2.org · read 30 Sep 2026
- Installation
- Unix-like installation instructions cover Linux, macOS with Intel or ARM processors, and FreeBSD; Windows has separate installation instructions.acl2.org · read 29 Sep 2026
- Integrations
- The Community Books include interfacing tools for file I/O, operating-system access, raw Common Lisp libraries, and connections to other programs.acl2.org · read 29 Sep 2026
- Lisp dependency
- Installing ACL2 requires a Common Lisp implementation, and some Community Books are guaranteed to work only with CCL or SBCL.acl2.org · read 30 Sep 2026
- Open source libraries
- ACL2 installations include the open-source ACL2 Community Books libraries.acl2.org · read 30 Sep 2026
- Operating systems
- The Unix-like installation instructions cover Linux, macOS, and FreeBSD; separate instructions are available for Windows.acl2.org · read 30 Sep 2026
- Prerequisite
- Installation instructions say users need a Common Lisp implementation, and note that some Community Books depend on Quicklisp and are only guaranteed to work with CCL or SBCL.acl2.org · read 29 Sep 2026
- Provenance
- The manual identifies ACL2 version 8.7 as copyright 2026 Regents of the University of Texas and authored by Matt Kaufmann and J Strother Moore.acl2.org · read 29 Sep 2026
- Purpose
- ACL2 combines a Lisp-based programming language for formal models with a reasoning engine that can prove properties about those models.acl2.org · read 30 Sep 2026
- Release
- The installation page identifies version 8.7 as the latest stable release and says it does not include improvements or fixes made since March 2026.acl2.org · read 30 Sep 2026