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Calculational Design of Hyperlogics by Abstract Interpretation

Talkat POPL 2025 · 2025-01-19..01-25
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Claims a calculational pipeline that starts from an algebraic semantics and builds a structural fixpoint abstract interpreter parameterized by algebraic abstract domains to yield concrete Post and hyper-Post transformers, then derives sound-and-complete hyperlogics (so completeness holds but the fully precise logic is unmanageable). Defines exact and approximate semantic abstractions that preserve collecting and hypercollecting structure, and introduces concrete algebraic abstractions — including join/homomorphic/principal-ideal and chain limit algebraic abstraction — that recover usable forall/exists-style hyperlogics.

AI-written summary · about

  1. 0:00Introduction
  2. 1:07Calculating hyperlogics
  3. 2:10Algebraic semantics
  4. 3:35Induction in semantics
  5. 5:03Program properties encoding
  6. 6:27Hyperproperties transformers
  7. 7:30Logic structural challenges
  8. 8:58Soundness and completeness
  9. 10:07Abstraction propagation
  10. 10:50For-exist abstraction
  11. 12:36Fixpoint iteration issues
  12. 13:44Logic for traces
  13. 14:06Conclusion on logic
  14. 15:30Summary and inverse logic
  15. 17:14Q&A
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