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Verification of tree-processing programs via higher-order mode checking†

Published online by Cambridge University Press:  10 November 2014

HIROSHI UNNO ,
NAOSHI TABUCHI  and
NAOKI KOBAYASHI
HIROSHI UNNO
Affiliation:
Department of Computer Science, Graduate School of Systems and Information Engineering, University of Tsukuba, 1-1-1 Tennodai, Tsukuba-shi, Ibaraki 305-8573, Japan Email: [email protected]
NAOSHI TABUCHI
Affiliation:
Trek Inc., 14-15 Futsuka-machi, Aoba-ku, Sendai-shi, Miyagi 980-0802, Japan Email: [email protected]
NAOKI KOBAYASHI
Affiliation:
Department of Computer Science, Graduate School of Information Science and Technology, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan Email: [email protected]
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Abstract

We propose a new method to verify that a higher-order, tree-processing functional program conforms to an input/output specification. Our method reduces the verification problem to multiple verification problems for higher-order multi-tree transducers, which are then transformed into higher-order recursion schemes and model-checked. Unlike previous methods, our new method can deal with arbitrary higher-order functional programs manipulating algebraic data structures, as long as certain invariants on intermediate data structures are provided by a programmer. We have proved the soundness of the method and implemented a prototype verifier.

Type
Paper
Information
Mathematical Structures in Computer Science , Volume 25 , Issue 4: APLAS 2010 , May 2015 , pp. 841 - 866
Copyright
Copyright © Cambridge University Press 2014 

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Footnotes

†

Revised and extended version of (Unno et al. 2010).

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