Updated 3 May 2002
SAT 2002
Fifth International Symposium on the
Theory and Applications of Satisfiability Testing
May 6-9, 2002 Cincinnati, Ohio, USA
Program
Sunday, 5 May
0 8:00 - 10:00 Reception, Conference Center Hors d'oeuveres, bar. One complementary drink.
Monday, 6 May
0 8:45 - 09:00 Opening Address and Welcome 0 9:00 - 09:45 Uwe Schöning, Universität Ulm, Germany (Keynote Talk)
New worst case bounds on k-SAT Presentation 0 9:45 - 10:10 Nadia Creignou, Université de la Méditeraneé, Marseille, France (with Hervé Daudé)
Random generalized satisfiability problems 10:10 - 10:35 Akihiro Matsuura, Kyoto University, Japan (with Kazuo Iwama)
Inclusion-exclusion for k-CNF formulas 10:35 - 10:50 Coffee Break 10:50 - 11:15 John Slaney, Australian National University, Australia (with Toby Walsh)
Phase Transition Behavior: From Decision to Optimization 11:15 - 11:40 Alexis C. Kaporis, University of Patras, Greece (with Lefteris M. Kirousis and Efthimios G. Lalas))
The Probabilistic Analysis of a Greedy Satisfiability Algorithm 11:40 - 12:05 Alan Frieze, Carnegie Mellon University, USA (with Nicolas Wormald)
k-SAT: A tight threshold for moderately growing k 12:05 - 01:30 Lunch 0 1:30 - 01:55 Stefan Szeider, Austrian Academy of Sciences, Austria
Generalizations of matched CNF formulas 0 1:55 - 02:20 Oliver Kullmann, University of Wales, Swansea, United Kingdom
Towards an adaptive density based branching rule for SAT solvers, using a database for mixed
random conjunctive normal forms built upon the Advanced Encryption Standard (AES) 0 2:20 - 02:45 Hans Kleine Büning, Universität Paderborn, Germany (with Daoyun Xu)
The complexity of homomorphisms and renamings of minimal unsatisfiable formulas 0 2:45 - 03:10 Stefan Porschen , Universität zu Köln, Germany (with Bert Randerath and Ewald Speckenmeyer)
X3SAT is decidable in time O(2n/5) 0 3:10 - 03:30 Coffee Break 0 3:30 - 03:55 Remi Monasson, CNRS-Laboratoire de Physique Théorique de l'ENS, France (with Simona Cocco)
Restart method and exponential acceleration of random 3-SAT instances resolutions:
A large deviation analysis of the Davis-Putnam-Loveland-Logemann algorithm 0 3:55 - 04:20 Eugene Goldberg, Cadence Berkeley Labs, USA
Testing satisfiability of CNF formulas by computing a stable set of points 0 4:20 - 04:45 Franc Brglez, North Carolina State University, USA (with Xiao Yu Li and Matthias F. Stallmann)
The role of a skeptic agent in testing and benchmarking of SAT algorithms 0 4:45 - 05:00 Short Coffee Break SAT Solver Presentations 0 5:00 - 05:54 Short presentations by groups who do not have regular papers in the program 0 5:00 - 05:06 Oliver Kullmann OKsolver 0 5:06 - 05:12 Allen Van Gelder MODOC 0 5:12 - 05:18 Allen Van Gelder Rb2Cl 0 5:18 - 05:24 John Kolen Partsat 0 5:24 - 05:30 Daniel Le Berre for Richard Ostrowski LSAT (with Bertrand Mazure, Lakhdar Sais) 0 5:30 - 05:36 Marijn Heule March (with Hans van Maaren, Mark Dufour, Joris van Zwieten) 0 5:36 - 05:42 Eugene Goldberg Berkmin (with Yakov Novikov) 0 5:42 - 05:48 Armando Tacchella Simo (with Enrico Giunchiglia, Massimo Maratea) 0 5:48 - 05:54 João Marques-Silva Jquest (with Inês Lynce) 0 6:10 - 00:00 Dinner, Conference Center
Tuesday, 7 May
0 8:05 - 08:50 João Marques-Silva, Universidade Técnica de Lisboa, Portugal (Keynote Talk)
Hypothetical reasoning in propositional satisfiability 0 8:50 - 09:15 Olivier Dubois, Université Paris 6, France (with Gilles Dequen)
Renormalization as a function of clause lengths for solving random k-SAT formulae 0 9:15 - 09:40 Allen Van Gelder, University of California at Santa Cruz, USA
Toward leaner binary-clause reasoning in a satisfiability solver 0 9:40 - 10:05 Harald Ruess, SRI International, USA (with Leonardo de Moura)
Lemmas on demand for Satisfiability solvers 10:05 - 10:25 Coffee Break 10:25 - 10:50 Chu Min Li, University of Picardie Jules Verne, France (with Bernard Jurkowiak and Paul Walton Purdom)
Integrating symmetry breaking into a DLL procedure 10:50 - 11:15 Ian Gent, University of St. Andrews, Scotland (with Patrick Prosser)
SAT encodings of the stable marriage problem with ties and incomplete lists 11:15 - 11:40 Inês Lynce, Technical University of Lisbon, Portugal (with João Marques-Silva)
Efficient data structures for backtrack search SAT solvers 11:40 - 12:05 Zbigniew Stachniak, York University, Canada
Going non-clausal 12:05 - 01:30 Lunch 0 1:30 - 01:55 Renato Bruni, Università di Roma "La Sapienza", Italy
Exact selection of minimal unsatisfiable subformulae for special classes of propositional formulae 0 1:55 - 02:20 Fadi A. Aloul, University of Michigan, USA (with Arathi Ramani, Igor Markov, and Karem Sakallah)
Solving difficult SAT instances in the presence of symmetry 0 2:20 - 02:45 Andrea Roli, Università degli Studi di Bologna, Italy
Impact of structure on parallel local search for SAT 02:45 - 03:10 Dimitris Achlioptas, Microsoft Research, USA (with Chris Moore)
A bit of abstinence (provably) promotes satisfaction 0 3:10 - 03:30 Coffee Break Quantified Boolean Formulas Mini Workshop I 03:30 - 03:55 J. Dan Pehoushek, USA
Introduction to Q space 03:55 - 04:20 Andrew G.D. Rowley, St. Andrews University, Scotland (with Ian Gent)
Solving 2-CNF quantified boolean formulae using variable assignment and propagation 04:20 - 04:45 Anja Remshagen, State University of West Georgia, USA (with Klaus Truemper)
Algorithms for logic-based abduction 04:45 - 05:10 Subramanyan Siva, University of Cincinnati, USA (with W. Mark Vanfleet, John Schlipf, Ranga Vemuri, and John Franco)
Reconfigurable interconnect synthesis via quantified Boolean satisfiability QBF and SAT Solver Business Meetings 0 5:10 - 06:00 Where to have the next QBF meeting and SAT solver competition, etc. 06:00 - 10:00 Excursion and Dinner An old fashioned American recreational experience: a picnic at Cincinnati's Cinergy
Field while watching a classic baseball game pitting the Cincinnati Reds, America's
oldest professional baseball team, against the Milwaukee Brewers. We will watch the
proceedings from the middle deck in a private glass-enclosed room. The following
will be served continuously, buffet style, for our enjoyment: Hot Dogs, Fried Chicken,
Crudites, Fruit, Cheese, Potato Salad, String Beans, Soft Drinks, and Draft Beer. Have
as much as you want. Baseball/Cricket expert Ian Gent will be on hand to explain
what you see (Gent denies he is an expert but we will see once the battle is engaged) .
Wednesday, 8 May
0 8:05 - 08:50 Edmund Clarke, Carnegie Mellon University, USA (Keynote Talk)
SAT based abstraction refinement in temporal logic model checking0 8:50 - 09:15 Oded Maler, Verimag, France (with Moez Mahfoudh, Peter Niebert, and Eugene Asarin)
A satisfiability checker for difference logic 0 9:15 - 09:40 Fadi A. Aloul, University of Michigan, USA (with Brian Sierawski and Karem Sakallah)
A tool for measuring progress of backtrack-search solvers 0 9:40 - 10.05 Inês Lynce, Technical University of Lisbon, Portugal (with João Marques-Silva)
Complete unrestricted backtracking algorithms for satisfiability10:05 - 10:25 Coffee Break 10:25 - 10:50 Daniele Pretolani, Università di Camerino, Italy
Probabilistic logic: The PSAT and CPA models 10:50 - 11:15 DoRon Motter, University of Michigan, USA (with Igor Markov)
On proof systems behind efficient SAT solvers11:15 - 11:40 Gábor Kusper, Research Institute for Symbolic Computation, Linz, Austria
Solving the resolution-free SAT problem by hyper-unit propagation in linear time 11:40 - 12:05 Steven Prestwich, Cork Constraint Computation Center, Ireland (with Stéphane Bressan)
A SAT approach to query optimization in mediator systems12:05 - 01:30 Lunch 01:30 - 01:55 Fahiem Bacchus, University of Toronto, Canada
Exploring the computational tradeoff of more reasoning and less searching 01:55 - 02:20 Chu Min Li, University of Picardie Jules Verne, France (with Hachemi Bennaceur)
An empirical measure for characterizing 3-SAT02:20 - 02:45 Uwe Egly, Technische Universität, Austria (with Stefan Woltran and Reinhard Pichler)
On deciding subsumption problems02:45 - 03:10 Fadi A. Aloul, University of Michigan, USA (with Arathi Ramani, Igor Markov, and Karem Sakallah)
PBS: A backtrack-search psuedo-Boolean solver and optimizer03:10 - 03:25 Coffee Break Quantified Boolean Formulas Mini Workshop II 03:25 - 03:55 Panel (Toby Walsh, Ian Gent, Hans Kleine Büning, Enrico Giunchiglia)
What QBF can learn from SAT (and vice versa)03:55 - 04:20 Enrico Giunchiglia, Università degli Studi di Genova, Italy (with Massimo Narizzano, Armando Tacchella)
Assessing the impact of learning techniques in quantified Boolean logic satisfiability04:20 - 04:45 Stefan Woltran, Technische Universität, Austria (with H. Tompits and Uwe Egly)
On quantifier shifting for quantified Boolean formulas04:45 - 05:10 Hans Kleine Büning, Universität Paderborn, Germany (with Xishun Zhao)
Minimal falsity for QBF with deficiency 106:00 - 10:00 Dinner, Conference Center
Thursday, 9 May
0 8:05 - 08:30 Edward Hirsch, Steklov Institute of Mathematics at St. Petersburg, Russia (with Arist Kojevnikov)
UnitWalk: A new SAT solver that uses local search guided by unit clause elimination08:30 - 08:55 Hantao Zhang, University of Iowa, USA
Generating college conference basketball schedules by a SAT solver 08:55 - 09:20 Yoichi Takenaka, Osaka University, Japan (with Akihiro Hashimoto)
An analog algorithm for the satisfiability problem 09:20 - 09:45 Holger Hoos, University of British Columbia, Canada
SLS algorithms for SAT: irregular instances, search stagnation, and mixture models 09:45 - 10:10 Felip Manya, Universitat de Lleida, Spain (with Carlos Ansótegui, Ramón Béjar, Alba Cabiscol, and Chu Min Li)
Resolution methods for many-valued CNF formulas 10:10 - 10:30 Coffee Break 10:30 - 10:55 Xishun Zhao, Zhongshan University, P.R. China (with Hans Kleine Büning)
Extension and equivalence problems for clause minimal formulas 10:55 - 11:20 Inna Davydova, St. Petersburg State University, Russia (with Gennady Davydov)
CNF application in discrete optimization11:20 - 11:45 Sean Forman, St. Joseph's University, USA (with Alberto M. Segre)
NAGSAT: A randomized, complete, parallel solver for 3-SAT 11:45 - 12:10 Lyndon Drake, University of York, United Kingdom (with Alan Frisch and Toby Walsh)
Adding resolution to the DPLL procedure for satisfiability12:10 - 01:30 Lunch featuring results of SAT competition and prizes 01:30 - 02:30 SAT Solver competition statistics and anything noteworthy learned 02:30 - 10:00 End of Conference