~/talks

Sharon Shoham

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  • POPL6 editions2021–2026
  • OOPSLA2 editions2020–2023

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titleconferencedate
Simplifying Safety Proofs with Forward-Backward Reasoning and ProphecyPLDI 20262026-06-15
Proposes a proof system that breaks a single complex inductive invariant into incremental steps and proves each rule sound, implemented as a checker in myvy…
Talk on
Separating the Wheat from the Chaff: Understanding (In-)Completeness of Proof(…)POPL 20262026-01-11
Main claim: the common fold/unfold proof steps are sound and — for the quantifier‑free, theory‑free fragment — complete for a weaker semantics called Weak…
Talk on
A Primal-Dual Perspective on Program Verification AlgorithmsPOPL 20252025-01-19
Presents a unified algorithmic framework that generalizes Lagrangians to discrete domains (powersets, predicates, ranking functions) and runs an abstract…
Talk
Axe 'Em: Eliminating Spurious States with Induction AxiomsPOPL 20252025-01-19
First-order abstractions get refined into well-founded or finite-domain semantics by instantiating an induction axiom schema guided by finitely representable…
Talk
An Infinite Needle in a Finite Haystack: Finding Infinite Counter-Models in Dedu...POPL 20242024-01-14
Proposes a finite, machine-checkable representation of certain infinite first-order models called symbolic structures and encodes model checking into linear…
Talk on
Counterexample Driven Quantifier Instantiations with Applications to Distribute...OOPSLA 20232023-10-23
Replaces problematic function symbols with a one-to-one relational abstraction inside Ivy and drives refinements by solver counterexamples; SMT solvers that…
Talk on
Towards a Theoretical Understanding of Property-Directed ReachabilityVMCAI 20232023-01-15
Shows that the SAT queries used by property‑directed reachability are strictly stronger than plain inductiveness checks, proving IC3 cannot be implemented in…
Talk
Panel: Next 50 Years of POPLPOPL 20232023-01-15
Panel discussion surveys POPL's past and future with concrete examples and tensions: cites FlashFill and program synthesis, the 1976 abstract interpretation…
Panel on
Property-Directed Reachability as Abstract Interpretation in the Monotone TheoryPOPL 20222022-01-16
Claims that propositional PDR is an instance of abstract interpretation by defining Lambda-PDR (take all counterexample generalizations) and a logical abstract…
Talk on
Solving Constrained Horn Clauses Modulo Algebraic Data Types and Recursive FunctPOPL 20222022-01-16
Presents an IC3/PDR-inspired solver called Racer that combines relationification, controlled unfolding of recursive definitions, and uninterpreted-function…
Talk
Learning the Boundary of Inductive InvariantsPOPL 20212021-01-17
An interpolation-based invariant inference algorithm with model-based generalization (dropping literals) uses bounded model checking to implement membership…
Talk
Proving Highly-Concurrent Traversals CorrectOOPSLA 20202020-11-15
Paper proves that optimistic lock-free traversals are correct by reducing concurrent traversal correctness to sequential reasoning plus two concrete…
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