Harnessing SMT Solvers for TLA+ Proofs

Type information re- quired by the solvers is provided by a typing discipline for TLA + proof obligations, which helps us disambiguate the translation of expressions of (untyped) TLA

We have meanwhile refined these invariant properties to lower-level invariants and proved that these are indeed inductive for a restricted model where no nodes are allowed to leave

In this paper, we present motivations for a more pervasive usage of types at an intermediate representation of TLA + proof obligations, and describe work in progress on

(4) We show how to use the reduction system for: (a) checking inductive invariants, and (b) check- ing safety of TLA + specifications by bounded model checking.. (5) We implement

Cette solution repose sur : (i) un recalage 3D/2D effectué en optimisant la correspondance entre la projection des veines coronaires 3D (extraites lors de l’analyse pré-opératoire)

At the time of starting this work, there were three available back-end provers with different capabilities: Zenon [BDD07], a tableau prover for first-order logic with equality

We have tested coherent subtrac- tion versus a single direction of propagation using a photodi- ode and single-channel lock-in detector with our cw laser and demonstrate a factor of

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