Theory and Applications of Satisfiability Testing – SAT 2013: 16th International Conference, Helsinki, Finland, July 8-12, 2013. Proceedings PDF
Preview Theory and Applications of Satisfiability Testing – SAT 2013: 16th International Conference, Helsinki, Finland, July 8-12, 2013. Proceedings
Matti Järvisalo Allen Van Gelder (Eds.) Theory and Applications 2 6 9 of Satisfiability Testing – 7 S C SAT 2013 N L 16th International Conference Helsinki, Finland, July 2013 Proceedings 123 Lecture Notes in Computer Science 7962 CommencedPublicationin1973 FoundingandFormerSeriesEditors: GerhardGoos,JurisHartmanis,andJanvanLeeuwen EditorialBoard DavidHutchison LancasterUniversity,UK TakeoKanade CarnegieMellonUniversity,Pittsburgh,PA,USA JosefKittler UniversityofSurrey,Guildford,UK JonM.Kleinberg CornellUniversity,Ithaca,NY,USA AlfredKobsa UniversityofCalifornia,Irvine,CA,USA FriedemannMattern ETHZurich,Switzerland JohnC.Mitchell StanfordUniversity,CA,USA MoniNaor WeizmannInstituteofScience,Rehovot,Israel OscarNierstrasz UniversityofBern,Switzerland C.PanduRangan IndianInstituteofTechnology,Madras,India BernhardSteffen TUDortmundUniversity,Germany MadhuSudan MicrosoftResearch,Cambridge,MA,USA DemetriTerzopoulos UniversityofCalifornia,LosAngeles,CA,USA DougTygar UniversityofCalifornia,Berkeley,CA,USA GerhardWeikum MaxPlanckInstituteforInformatics,Saarbruecken,Germany Matti Järvisalo Allen Van Gelder (Eds.) Theory and Applications of Satisfiability Testing – SAT 2013 16th International Conference Helsinki, Finland, July 8-12, 2013 Proceedings 1 3 VolumeEditors MattiJärvisalo UniversityofHelsinki HIITandDepartmentofComputerScience GustafHällströminkatu2b 00014Helsinki,Finland E-mail:[email protected].fi AllenVanGelder UniversityofCaliforniaatSantaCruz ComputerScienceDepartment 1156HighStreet,SOE-3 SantaCruz,CA95064,USA E-mail:[email protected] ISSN0302-9743 e-ISSN1611-3349 ISBN978-3-642-39070-8 e-ISBN978-3-642-39071-5 DOI10.1007/978-3-642-39071-5 SpringerHeidelbergDordrechtLondonNewYork LibraryofCongressControlNumber:2013941358 CRSubjectClassification(1998):F.3.1,F.3,F.1,F.4.1,F.2,I.2,B.7,G.1.6 LNCSSublibrary:SL1–TheoreticalComputerScienceandGeneralIssues ©Springer-VerlagBerlinHeidelberg2013 Thisworkissubjecttocopyright.AllrightsarereservedbythePublisher,whetherthewholeorpartof thematerialisconcerned,specificallytherightsoftranslation,reprinting,reuseofillustrations,recitation, broadcasting,reproductiononmicrofilmsorinanyotherphysicalway,andtransmissionorinformation storageandretrieval,electronicadaptation,computersoftware,orbysimilarordissimilarmethodology nowknownorhereafterdeveloped.Exemptedfromthislegalreservationarebriefexcerptsinconnection withreviewsorscholarlyanalysisormaterialsuppliedspecificallyforthepurposeofbeingenteredand executedonacomputersystem,forexclusiveusebythepurchaserofthework.Duplicationofthispublication orpartsthereofispermittedonlyundertheprovisionsoftheCopyrightLawofthePublisher’slocation, inistcurrentversion,andpermissionforusemustalwaysbeobtainedfromSpringer.Permissionsforuse maybeobtainedthroughRightsLinkattheCopyrightClearanceCenter.Violationsareliabletoprosecution undertherespectiveCopyrightLaw. Theuseofgeneraldescriptivenames,registerednames,trademarks,servicemarks,etc.inthispublication doesnotimply,evenintheabsenceofaspecificstatement,thatsuchnamesareexemptfromtherelevant protectivelawsandregulationsandthereforefreeforgeneraluse. Whiletheadviceandinformationinthisbookarebelievedtobetrueandaccurateatthedateofpublication, neithertheauthorsnortheeditorsnorthepublishercanacceptanylegalresponsibilityforanyerrorsor omissionsthatmaybemade.Thepublishermakesnowarranty,expressorimplied,withrespecttothe materialcontainedherein. Typesetting:Camera-readybyauthor,dataconversionbyScientificPublishingServices,Chennai,India Printedonacid-freepaper SpringerispartofSpringerScience+BusinessMedia(www.springer.com) Preface Thisvolumecontainsthe paperspresentedatthe 16thInternationalConference on Theory and Applications of Satisfiability Testing (SAT 2013) held during July 8–12, 2013, in Helsinki, Finland. SAT 2013 was organized by University of Helsinki in collaboration with Helsinki Institute for Information Technology (HIIT) and the SAT Association. The International Conference on Theory and Applications of Satisfiability Testing (SAT) is the primary annual meeting for researchers focusing on the theory and applications of the propositional satisfiability problem, broadly con- strued:besidesplainpropositionalsatisfiability,itincludesBooleanoptimization (including MaxSAT and Pseudo-Boolean(PB) constraints),QuantifiedBoolean Formulas (QBF), Satisfiability Modulo Theories (SMT), and Constraint Pro- gramming (CP) for problems with clear connections to propositional reasoning. Many hard combinatorialproblems can be tackledusing SAT-based techniques, includingproblemsthatariseinformalverification,artificialintelligence,opera- tionsresearch,biology,cryptology,datamining,machinelearning,mathematics, etc.Indeed,thetheoreticalandpracticaladvancesinSATresearchoverthepast 20 years have contributed to making SAT technology an indispensable tool in various domains. SAT 2013 welcomed scientific contributions addressing different aspects of SAT, including (but not restricted to) theoretical advances (including exact al- gorithms, proof complexity, and other complexity issues), practical search algo- rithms, knowledge compilation, implementation-level details of SAT solversand SAT-basedsystems,problemencodingsandreformulations,applications,aswell as case studies and reports on insightful findings based on rigorous experimen- tation. Atotalof71papersweresubmittedtoSAT 2013,distributedinto50regular papers,15shortpapers,andsixtoolpapers.Fourregularpapersubmissionswere found by the Program Committee to be out of scope for the conference (based on guidelines in the call for papers), and were returned without review. The 67 remaining paper submissions were assigned for review to at least four Program Committee members and their selected external reviewers. Continuing the pro- cedure initiated in SAT 2012, the review process included an author-response period, during which the authors of submitted papers were given the opportu- nity to respond to the initial reviews for their submissions. For reaching final decisions, a ProgramCommittee discussionperiod followedthe author-response period. This year, externalreviewersused by the ProgramCommittee were also invitedtoparticipatedirectlyinthediscussionsforthepaperstheyreviewed.In the end, the ProgramCommittee decidedto accept21regularpapers,five short papers, and five tool papers. VI Preface In addition to presentations on the accepted papers, the scientific program of SAT 2013 included three invited talks: – Albert Atserias (Technical University of Catalonia, Spain): The Proof-Search Problem between Bounded-Width Resolution and Bounded-Degree Semi-Algebraic Proofs; – Edmund M. Clarke (Carnegie Mellon University, USA): Turing’s Computable Real Numbers and Why They Are Still Important Today; – Peter Stuckey (NICTA and University of Melbourne, Australia): There Are No CNF Problems. ForSAT2013,opencallsforworkshopsandcompetitionswereissued.Asaresult, SAT2013hostedvariousaffiliatedevents,includingthreeworkshopsduringJuly 8–9: – 11thInternational Workshopon Satisfiability Modulo Theories(SMT 2013) Organizers: Roberto Bruttomesso and Alberto Griggio; – Fourth International Workshop on Pragmatics of SAT (PoS 2013) Organizers: Daniel Le Berre and Allen Van Gelder; – First International Workshop on Quantified Boolean Formulas (QBF 2013) Organizers: Florian Lonsing and Martina Seidl; and five competitions and system evaluations: – Configurable SAT Solver Challenge 2013 Organizers: Frank Hutter, Adrian Balint, Sam Bayless, Holger Hoos, Kevin Leyton-Brown; – Max-SAT Evaluation 2013 Organizers: Josep Argelich, Chu-Min Li, Felip Many`a, Jordi Planes; – SAT Competition 2013 Organizers: Adrian Balint, Anton Belov, Marijn Heule, Matti J¨arvisalo; – SMT-EVAL 2013 Organizers: David Cok, Aaron Stump, Tjark Weber; – QBF Gallery 2013 Organizers: Florian Lonsing, Martina Seidl, Allen Van Gelder. Olivier Roussel kindly agreed to act as SAT 2013 Competitions Chair, taking the main responsibility for the decisions on competition proposals. We would like to thank all the people who contributed to making SAT 2013 a success. We thank the SAT Association Chair Armin Biere, Vice Chair John Franco, and Treasurer Hans Kleine Bu¨ning for their help and advice in orga- nizational matters. We thank the Steering Committee for selecting Helsinki as the venue for SAT 2013. We thank the local organization team for their efforts with practical aspects of local organization. We thank all authors who submit- ted their work to SAT 2013. We thank the members of the SAT 2013 Program Committee and the external reviewers for their hard work on guaranteeing the scientific quality of accepted papers. A special thanks goes to the SAT 2013 in- vitedspeakersforaccepting ourinvitations.We alsothank the organizersof the Preface VII affiliated workshops and competitions and system evaluations. The EasyChair conferencesystemprovidedinvaluableassistanceincoordinatingthe submission and review process, as well as in the assembly of these proceedings. Finally, we gratefully thank University of Helsinki, Federation of Finnish LearnedSocieties(Tieteellistenseurainvaltuuskunta),SATAssociation,AIJour- nal,IBMResearch,Intel,andMicrosoftResearchforfinancialandorganizational support for SAT 2013. May 2013 Matti J¨arvisalo Allen Van Gelder Conference Organization Program Committee Chairs Matti J¨arvisalo University of Helsinki, Finland Allen Van Gelder University of California at Santa Cruz, USA Competitions Chair Olivier Roussel Artois University, France Local Chair Matti J¨arvisalo University of Helsinki, Finland Steering Committee Roberto Sebastiani University of Trento, Italy Alessandro Cimatti FBK-Irst, Italy Karem Sakallah University of Michigan, USA Laurent Simon University of Paris 11, France Stefan Szeider Vienna Institute of Technology, Austria Ofer Strichman Technion, Israel Oliver Kullmann Swansea University, UK Program Committee Gilles Audemard Artois University, France Fahiem Bacchus University of Toronto, Canada Armin Biere Johannes Kepler University, Austria Mar´ıa Luisa Bonet Technical University of Catalonia, Spain Lucas Bordeaux Microsoft Research, UK Uwe Bubeck University of Paderborn, Germany Samuel Buss University of California at San Diego, USA Nadia Creignou Aix-Marseille University, France Leonardo de Moura Microsoft Research, USA John Franco University of Cincinnati, USA Enrico Giunchiglia University of Genoa, Italy Ziyad Hanna Jasper Automation, USA Marijn Heule The University of Texas at Austin, USA Holger H. Hoos University of British Columbia, Canada Jinbo Huang NICTA, Australia Tommi Junttila Aalto University, Finland Matti J¨arvisalo University of Helsinki, Finland Arist Kojevnikov Intel, Germany X Conference Organization Daniel Kr¨oning Oxford University, UK Oliver Kullmann Swansea University, UK Daniel Le Berre Artois University, France Florian Lonsing Vienna University of Technology, Austria Inˆes Lynce Technical University of Lisbon, Portugal Joao Marques-Silva University College Dublin, Ireland Alexander Nadel Intel, Israel Jakob Nordstr¨om KTH Royal Institute of Technology, Sweden Albert Oliveras Technical University of Catalonia, Spain Ramamohan Paturi University of California at San Diego, USA Jussi Rintanen Aalto University, Finland Olivier Roussel Artois University, France Ashish Sabharwal IBM Research, USA Lakhdar Sais Artois University, France Roberto Sebastiani University of Trento, Italy Bart Selman Cornell University, USA Peter Stuckey NICTAandUniversityofMelbourne,Australia Stefan Szeider Vienna University of Technology, Austria Naoyuki Tamura Kobe University, Japan Allen Van Gelder University of California at Santa Cruz, USA Toby Walsh NICTA and University of New South Wales, Australia Additional Reviewers Ab´ıo, Ignasi Fr¨ohlich, Andreas Alban, Grastien Grastien, Alban Ans´otegui, Carlos Griggio, Alberto Balint, Adrian Gwynne, Matthew Banbara, Mutsunori Heras, Federico Bayless, Sam Hoessen, Benoˆıt Belov, Anton Ignatiev, Alexey Beyersdorff, Olaf Itsykson, Dmitry Bruttomesso, Roberto Jabbour, Sa¨ıd Cao, Weiwei Janota, Mikol´aˇs Chu, Geoffrey Kleine Bu¨ning, Hans Codish, Michael Kova´sznai, Gergeley Dantchev, Stefan Lagniez, Jean-Marie David, Cristina Lauria, Massimo Dilkina, Bistra Le Bras, Ronan Egly, Uwe Lettmann, Theodor Ermon, Stefano Lewis, Matt Feydy, Thibaut Li, Chu-Min Forejt, Vojtˇech Manquinho, Vasco Franz´en, Anders Many`a, Felip Conference Organization XI Maratea, Marco Schneider, Marius Martins, Ruben Schneider, Stefan Meier, Arne Schrammel, Peter Mikˇsa, Mladen Seidl, Martina Morgado, Antonio Simon, Laurent Nabeshima, Hidetomo Slivovsky, Friedrich Navas, Jorge A. Soh, Takehide Niemetz, Aina Tack, Guido Nikoli´c, Mladen Tautschnig, Michael Novikov, Yakov Tomasi, Silvia Olivetti, Nicola Tonetta, Stefano Ordyniak, Sebastian Vinyals, Marc Piette, C´edric Vizel, Yakir Preiner, Mathias Widl, Magdalena Previti, Alessandro Wieringa, Siert Rollini, Simone Fulvio Wintersteiger, Christoph M. Roussel, Stephanie Wolfovitz, Guy Ryvchin, Vadim Xu, Lin Schaafsma, Bas Xue, Yexiang Scheder, Dominik Yue, Weiya Schmidt, Johannes
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