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PVS Specification and Verification System

PVS 4.1 is now available - see the download page for details. *NEW*

Please see the preliminary notice about AFM08 -- a workshop for PVS, SAL and Yices users *NEW*

PVS is a verification system: that is, a specification language integrated with support tools and a theorem prover. It is intended to capture the state-of-the-art in mechanized formal methods and to be sufficiently rugged that it can be used for significant applications. PVS is a research prototype: it evolves and improves as we develop or apply new capabilities, and as the stress of real use exposes new requirements.

PVS 4.1 is the current version. It is open source (under the GPL license), and we also provide pre-built binaries using Allegro Lisp (commercial) and CMU Lisp (open source) for Linux, SunOS, PowerPC Macs, and Intel Macs (Allegro only). See the download page for details.

With PVS 4.0, we are also introducing the PVS Wiki; this will become the main vehicle for information and documentation about PVS. Some of information that was in static html pages (e.g., the FAQ) has already been moved to the Wiki.

Introduction: a brief introduction
Wiki: The PVS Wiki
Documentation: PVS manuals, papers, tutorials, and bibliography
FAQ: Frequently asked questions
Download: get the system (source or pre-built binaries)
Bugs List: finding and reporting PVS bugs
Mailing Lists: post to or join a mailing list, or read the archives

PVS is one of the SRI FormalWare tools.

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Last modified: Tue 22 Jan 2008 17:10 PST
Maintainer: Sam Owre