[TYPES/announce] VEST'21: Call for Participation

[Ornela Dardha]

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VEST 2021: 2nd Workshop on Verification of Session Types

Online on July 12, 2021, co-located with ICALP 2021

https://sites.google.com/view/vest21/home <https://sites.google.com/view/vest21/home>

Call for Participation
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* Presentation

The goal of this workshop is to bring together researchers and build and strengthen a community working on verification of session types using various theorem provers such as Agda, Coq, Isabelle or any other.

Session types are abstract representations of the sequences of operations that computational entities (such as channels or objects) must perform. Stateful entities offer services in a non-uniform way (one cannot pop from an empty stack); traditional type systems cannot guarantee that operations are only invoked when the entity is in the right state.

Large-scale software systems rely on message-passing protocols: their correctness largely depends on sound protocol implementations. Session types can help in the specification of correct-by-construction systems, and in verifying that programs respect their intended protocols.

Recent years have seen a steady stream of research on behavioural types: their foundations and their transfer to several programming languages. This has led to highly-cited papers in conferences such as POPL and journals such as TOPLAS. Research projects on behavioural types have advanced the theory and applications of behavioural types.

Although the foundations of session types are now well established, and new works build on approaches that have become standard, there is still a lack of reusable libraries, namely machine-verified ones. As on one hand the basis of most works is common, and on the other hand the complexity of the formal systems is considerable and may lead to errors in the proofs of the soundness results, machine verifying the type systems proposed is vital. Libraries, or at least clear formalisations of common approaches, is crucial to avoid not only to repeat work but also to increase the confidence in the knowledge base. Moreover, as many of these systems have a goal to do static analysis to ensure some safety or liveness property, machine verification of these approaches leads to certified software for program analysis.

The goal of the VEST workshop is to gather the researchers working on mechanisations of behavioural types using various theorem provers, such as Agda, Coq, Isabelle or any other. The workshop will be a platform to present both the now well-established efforts and the ongoing works the community has put on verification. The workshop will also be a forum to discuss strengths and weaknesses of existing approaches, potential obstacles and to foster collaboration.


* Invited Speakers:
- Jesper Bengtson (IT University of Copenhagen, Denmark)
- Andreia Mordido (University of Lisbon, Portugal)

*Tutorial, jointly delivered by:
- David Castro-Perez (University of Kent, UK)
- Francisco Ferreira-Ruiz (Imperial College, UK)
- Lorenzo Gheri (Imperial College, UK)


* Registration

Please follow this link http://easyconferences.eu/icalp2021/registration/ to register.

Standard/Early-bird registration before June 30!

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