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CSR
2007
Springer
15 years 3 months ago
Ruling Out Polynomial-Time Approximation Schemes for Hard Constraint Satisfaction Problems
The maximum constraint satisfaction problem (Max CSP) is the following computational problem: an instance is a finite collection of constraints on a set of variables, and the goal...
Peter Jonsson, Andrei A. Krokhin, Fredrik Kuivinen
CSR
2007
Springer
15 years 3 months ago
New Bounds for MAX-SAT by Clause Learning
To solve a problem on a given CNF formula F a splitting algorithm recursively calls for F[v] and F[¬v] for a variable v. Obviously, after the first call an algorithm obtains some...
Alexander S. Kulikov, Konstantin Kutzkov
TABLEAUX
2007
Springer
15 years 3 months ago
Bounded Model Checking with Description Logic Reasoning
Abstract. Model checking is a technique for verifying that a finite-state concurrent system is correct with respect to its specification. In bounded model checking (BMC), the sys...
Shoham Ben-David, Richard J. Trefler, Grant E. Wed...
TACAS
2007
Springer
124views Algorithms» more  TACAS 2007»
15 years 3 months ago
Deciding Bit-Vector Arithmetic with Abstraction
ion Randal E. Bryant1 , Daniel Kroening2 , Jo¨el Ouaknine3 , Sanjit A. Seshia4 , Ofer Strichman5 , and Bryan Brady4 1 Carnegie Mellon University, Pittsburgh 2 ETH Z¨urich 3 Oxfor...
Randal E. Bryant, Daniel Kroening, Joël Ouakn...
ASPDAC
2007
ACM
139views Hardware» more  ASPDAC 2007»
15 years 1 months ago
Deeper Bound in BMC by Combining Constant Propagation and Abstraction
ound in BMC by Combining Constant Propagation and Abstraction Roy Armoni, Limor Fix1 , Ranan Fraer1 , Tamir Heyman1,3 , Moshe Vardi2 , Yakir Vizel1 , Yael Zbar1 1 Logic and Validat...
Roy Armoni, Limor Fix, Ranan Fraer, Tamir Heyman, ...