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Pipit on the Post: Proving Pre- and Post-Conditions of Reactive Systems

Authors Amos Robinson , Alex Potanin

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Subject Classification

ACM Subject Classification
  • Computer systems organization → Real-time languages
  • Theory of computation → Program verification
  • Software and its engineering → Specialized application languages
Keywords
  • Lustre
  • streaming
  • reactive
  • verification

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Abstract

Synchronous languages such as Lustre and Scade are used to implement safety-critical control systems; proving such programs correct and having the proved properties apply to the compiled code is therefore equally critical. We introduce Pipit, a small synchronous language embedded in F*, designed for verifying control systems and executing them in real-time. Pipit includes a verified translation to transition systems; by reusing F*’s existing proof automation, certain safety properties can be automatically proved by k-induction on the transition system. Pipit can also generate executable code in a subset of F* which is suitable for compilation and real-time execution on embedded devices. The executable code is deterministic and total and preserves the semantics of the original program.

Cite As Get BibTex

Amos Robinson and Alex Potanin. Pipit on the Post: Proving Pre- and Post-Conditions of Reactive Systems. In 38th European Conference on Object-Oriented Programming (ECOOP 2024). Leibniz International Proceedings in Informatics (LIPIcs), Volume 313, pp. 34:1-34:28, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2024) https://doi.org/10.4230/LIPIcs.ECOOP.2024.34

Author Details

Amos Robinson
  • Sydney, Australia
Alex Potanin
  • Australian National University, Canberra, Australia

Supplementary Materials

References

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