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» Termination of Polynomial Programs
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206
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ICDT
2009
ACM
149views Database» more  ICDT 2009»
16 years 1 months ago
Query languages for data exchange: beyond unions of conjunctive queries
The class of unions of conjunctive queries (UCQ) has been shown to be particularly well-behaved for data exchange; its certain answers can be computed in polynomial time (in terms...
Juan Reutter, Marcelo Arenas, Pablo Barceló
VMCAI
2005
Springer
15 years 6 months ago
On the Complexity of Error Explanation
When a system fails to satisfy its specification, the model checker produces an error trace (or counter-example) that demonstrates an undesirable behavior, which is then used in d...
Nirman Kumar, Viraj Kumar, Mahesh Viswanathan
185
Voted
CC
2009
Springer
142views System Software» more  CC 2009»
16 years 1 months ago
Extensible Proof-Producing Compilation
This paper presents a compiler which produces machine code from functions defined in the logic of a theorem prover, and at the same time proves that the generated code executes the...
Magnus O. Myreen, Konrad Slind, Michael J. C. Gord...
SOFSEM
2010
Springer
15 years 9 months ago
Finding and Certifying Loops
Abstract. The first part of this paper presents a new approach for automatically proving nontermination of string rewrite systems. We encode rewrite sequences as propositional for...
Harald Zankl, Christian Sternagel, Dieter Hofbauer...
110
Voted
TACAS
2010
Springer
146views Algorithms» more  TACAS 2010»
15 years 7 months ago
Ranking Function Synthesis for Bit-Vector Relations
Ranking function synthesis is a key aspect to the success of modern termination provers for imperative programs. While it is wellknown how to generate linear ranking functions for ...
Byron Cook, Daniel Kroening, Philipp Rümmer, ...