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Journal of Automated Reasoning OnlineFirst articles


CompCertS: A Memory-Aware Verified C Compiler Using a Pointer as Integer Semantics

The CompCert C compiler provides the formal guarantee that the observable behaviour of the compiled code improves on the observable behaviour of the source code. In this paper, we present a formally verified C compiler, CompCertS, which is …


Refinement to Certify Abstract Interpretations: Illustrated on Linearization for Polyhedra

Our concern is the modular development of a certified static analyzer in the Coq proof assistant. We focus on the extension of the Verified Polyhedra Library—a certified abstract domain of convex polyhedra—with a linearization procedure to handle …


An Isabelle/HOL Formalisation of Green’s Theorem

We mechanise a proof of Green’s theorem in Isabelle/HOL. We use a novel proof that avoids the ubiquitous line integral cancellation argument. This eliminates the need to formalise orientations and region boundaries explicitly with respect to the …


Wombit: A Portfolio Bit-Vector Solver Using Word-Level Propagation

We develop an idea originally proposed by Michel and Van Hentenryck of how to perform bit-vector constraint propagation on the word level. Most operations are propagated in constant time, assuming the bit-vector fits in a machine word. In …


An Automata-Theoretic Approach to Model-Checking Systems and Specifications Over Infinite Data Domains

Data-parameterized systems model systems with finite control over an infinite data domain. VLTL is an extension of LTL that uses variables in order to specify properties of computations over infinite data, and as such, VLTL is suitable for …

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Über diese Zeitschrift

The interdisciplinary Journal of Automated Reasoning balances theory, implementation and application. The spectrum of coverage ranges from the presentation of a new inference rule with proof of its logical properties to a detailed account of a computer program designed to solve various problems in industry. Topics include automated theorem proving, logic programming, expert systems, program synthesis and validation, artificial intelligence, computational logic, robotics, and various industrial applications. The contents focus on several aspects of automated reasoning, a field whose objective is the design and implementation of a computer program that serves as an assistant in solving problems and in answering questions that require reasoning.

The Journal of Automated Reasoning provides a forum and a means for exchanging information for those interested purely in theory, those interested primarily in implementation, and those interested in specific research and industrial applications.

Proof Pearls

In addition to regular research articles, the Journal of Automated Reasoning offers the special article type Proof Pearls. The goal is to disseminate insights gleaned from the growing body of machine-checked formalizations and proofs, obtained using both interactive and automated methods. Application areas include the full range from pure mathematics and logic to software and hardware verification. Proof Pearls should be short communications that focus on a few central ideas rather than extended research reports.

Contributions may include: a short, elegant proof of a self-standing result; a novel way of defining a fundamental concept; a notable approach to proving a key lemma in a larger development; a snippet of verified code, carefully engineered to balance efficiency with ease of verification; or a clever or impressive application of automated tools in a particular domain.

Proof Pearls adapt Jon Bentley's notion of a "programming pearl" to the verification paradigm. Proof Pearls should thus encapsulate fundamental insights that are adaptable and reusable, while being elegant and satisfying in their own right. Typical examples could be a verification of Huffman's algorithm, a perspicuous proof of the fundamental theorem of algebra, or a novel axiomatization of a particular algebraic system that was discovered using automated methods.

Submissions will undergo the usual refereeing process, and will be evaluated according to expository and theoretical merit. Systems and formalizations should be made available online.

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