The ACL2 Workshop 2026
The ACL2 Workshop series is the major technical forum for users of the ACL2 theorem proving system to present research related to the ACL2 theorem prover and its applications. ACL2 is an industrial-strength automated reasoning system, the latest in the Boyer-Moore family of theorem provers. The 2005 ACM Software System Award was awarded to Boyer, Kaufmann, and Moore for their work on ACL2 and the other theorem provers in the Boyer-Moore family.
ACL2-2026 will be held in Menlo Park, California, USA and also online, November 16-18, 2026. The workshop will take place in person at the SRI International headquarters. In addition to in-person participation, the workshop will support online participation for all talks and presentations. The workshop will be the 20th in the series of ACL2 workshops, which occur approximately every 18 months. It will feature technical papers as well as rump sessions that discuss ongoing research.