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Xavier Rival

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  • POPL2 editions2023–2026
  • SAS2 editions2020–2025
  • VMCAI2 editions2022–2023

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titleconferencedate
Optimising Density Computations in Probabilistic Programs via Automatic Loop VectorisationPOPL 20262026-01-11
Automatic vectorisation translates imperative PPL loops into a tensor-ready target with a Pyro implementation that runs loop iterations via speculative…
Talk on
Towards static analyses and abstract domains for hyperpropertiesSAS 20252025-10-13
Outlines concrete static-analysis routes for hyperproperties: noninterference is two-safety / K-safety with counterexamples of K executions, reduced to safety…
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The MemCAD static analyser: shape, value and collection abstraction and application to(…)SOAP 20252025-06-16
MemCAD implements a new sequence abstraction for unbounded sequences and plugs it into a reduced product of shape and value domains so the analyzer tracks…
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Sound Symbolic Execution via Abstract Interpretation and its Application to Sec...VMCAI 20232023-01-15
Combines symbolic execution with abstract interpretation to get sound proofs plus bounded counterexample pairs, claiming a formally proven analyzer called…
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Smoothness Analysis for Probabilistic Programs with Application to Optimised Var...POPL 20232023-01-15
A static analysis discovers which fragments of a probabilistic program are differentiable and which are not, then applies the pathwise gradient estimator to…
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Lightweight Shape Analysis based on Physical TypesVMCAI 20222022-01-16
Defines a new abstract-interpretation memory analysis that summarizes the heap with physical types encoding byte-level layouts and pairs that with a focusing…
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Interprocedural Shape Analysis Using Separation Logic-Based Transformer SummariesSAS 20202020-11-18
Builds context-sensitive procedure summaries as relational transformations over separation logic (pairs of input/output heap descriptions h# and t#)…
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