Reduced checking sequences using unreliable reset
Jourdan, Guy Vincent and Ural, Hasan and Yenigün, Hüsnü (2015) Reduced checking sequences using unreliable reset. Information Processing Letters, 115 (5). pp. 532-535. ISSN 0020-0190 (Print) 1872-6119 (Online)
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Official URL: http://dx.doi.org/10.1016/j.ipl.2015.01.002
The length of a checking sequence (CS) generated from a deterministic, minimal, and completely specified finite state machine model M of a system under test which does not have a reliable reset feature, is exponential when M does not have a distinguishing sequence. This is due to the exponential length locating sequences that need to be used in such a CS. In this work, we propose a method to decrease the number of locating sequences used in CS, by first verifying the reset input r and then using r as a reliable reset. When such a reset input is not available, a synchronizing sequence can be used as a compound reset input, which makes the proposed method applicable to a wide range of systems.
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