Ciao-users December 2022

ciao-users@cliplab.org

2 participants
2 discussions

Logtalk 3.61.0 released
by Paulo Moura 20 Dec '22

20 Dec '22

Hi, Logtalk 3.61.0 is now available for downloading at: https://logtalk.org/ This release provides updated for several Prolog backend adapters and integration scripts for use in the Jupyter kernel for Logtalk (https://github.com/LogtalkDotOrg/logtalk-jupyter-kernel); adds a new "ids" library for generating identifiers (Base64 encoded) with parametrizable text representation and number of bytes of randomness; adds new "pairs" library object predicates; adds "packs" tool support for using "git archive" for installing packs, providing a better user experience when the packs registry server uses Single Sign-On (SSO) for authentication; and includes additional tests for library predicates and standard arithmetic functions. For details and a complete list of changes, please consult the release notes at: https://github.com/LogtalkDotOrg/logtalk3/blob/master/RELEASE_NOTES.md You can show your support for Logtalk continued development and success at GitHub by giving us a star and a symbolic sponsorship: https://github.com/LogtalkDotOrg/logtalk3 Happy logtalking! Paulo ----------------------------------------------------------------- Paulo Moura Logtalk developer

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HCVS 2023 - First Call for Papers
by Jose F. Morales 19 Dec '22

19 Dec '22

10th Workshop on Horn Clauses for Verification and Synthesis (HCVS) Co-located with ETAPS 2023 23rd April 2023 - Paris, France https://www.sci.unich.it/hcvs23/ Important dates: - Paper submission deadline: Feb 22, 2023 - Paper notification: Mar 22, 2023 - Workshop: Apr 23, 2023 Many Program Verification and Synthesis problems of interest can be modeled directly using Horn clauses and many recent advances in the CLP and CAV communities have centered around efficiently solving problems presented as Horn clauses. This series of workshops aims to bring together researchers working in the two communities of Constraint/Logic Programming (e.g., ICLP and CP), Program Verification (e.g., CAV, TACAS, and VMCAI), and Automated Deduction (e.g., CADE, IJCAR), on the topic of Horn clause based analysis, verification, and synthesis. Horn clauses for verification and synthesis have been advocated by these communities in different times and from different perspectives and HCVS is organized to stimulate interaction and a fruitful exchange and integration of experiences. The workshop follows previous meetings: HCVS 2022 in Munich, Germany (ETAPS 2022), HCVS 2021, online (ETAPS 2021), HCVS 2020, online (ETAPS 2020), HCVS 2019 in Prague, Czech Republic (ETAPS 2019), HCVS 2018 in Oxford, UK (CAV, ICLP and IJCAR at FLoC 2018), HCVS 2017 in Gothenburg, Sweden (CADE 2017), HCVS 2016 in Eindhoven, The Netherlands (ETAPS 2016), HCVS 2015 in San Francisco, CA, USA (CAV 2015), and HCVS 2014 in Vienna, Austria (VSL). Topics of interest include, but are not limited to the use of Horn clauses, constraints, and related formalisms in the following areas: - Analysis and verification of programs and systems of various kinds (e.g., imperative, object-oriented, functional, logic, higher-order, concurrent, transition systems, petri-nets, smart contracts) - Program synthesis - Program testing - Program transformation - Constraint solving - Type systems - Machine learning and automated reasoning - CHC encoding of analysis and verification problems - Resource analysis - Case studies and tools - Challenging problems We solicit regular papers describing theory and implementation of Horn-clause based analysis and tool descriptions. We also solicit extended abstracts describing work-in-progress, as well as presentations covering previously published results, extended abstracts of doctoral theses, and overviews of research projects that are of interest to the workshop. At least one author of each accepted paper will be required to attend the workshop to present the contribution. CHC Competition: HCVS 2023 will host the 6th competition on constraint Horn clauses (CHC-COMP https://chc-comp.github.io/ ), which will compare state-of-the-art tools for CHC solving for performance and effectiveness on a set of publicly available benchmarks. A report on CHC-COMP will be part of the workshop's proceedings. The report also contains tool descriptions of the participating solvers. Program Chairs: David Monniaux, VERIMAG, CNRS, Grenoble, France José F. Morales, IMDEA Software, Madrid, Spain Program Committee: TBA Submission has to be done in one of the following formats: - Regular papers (up to 12 pages plus bibliography in EPTCS (http://www.eptcs.org/) format), which should present previously unpublished work (completed or in progress), including descriptions of research, tools, and applications. - Tool papers (up to 4 pages in EPTCS format), including the papers written by the CHC-COMP participants, which can outline the theoretical framework, the architecture, the usage, and experiments of the tool. - Extended abstracts (up to 3 pages in EPTCS format), which describe work in progress or aim to initiate discussions. - **Presentation-only papers**, i.e., papers already submitted or presented at a conference or another workshop. Such papers can be submitted in any format, and will not be included in the workshop post-proceedings. - Posters that are of interest to the workshop All submitted papers will be refereed by the program committee and will be selected for inclusion in accordance with the referee reports. Accepted regular papers and extended abstracts will be published electronically as a volume in the Electronic Proceedings in Theoretical Computer Science (EPTCS) series, see http://www.eptcs.org/ (provided that enough regular papers are accepted). The publication of a paper is not intended to preclude later publication. Full versions of extended abstracts published in EPTCS, or substantial revisions, may later be published elsewhere. Papers must be submitted through the EasyChair system using the web page: https://easychair.org/conferences/?conf=hcvs2023

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Ciao-users December 2022