Learning Markov models for stationary system behaviors

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Abstrakt

Establishing an accurate model for formal verification of an existing hardware or software system is often a manual process that is both time consuming and resource demanding. In order to ease the model construction phase,
methods have recently been proposed for automatically learning accurate system models from data in the form of observations of the target system. Common for these approaches is that they assume the data to consist of multiple independent observation sequences. However, for certain types of systems, in particular many running embedded systems, one would only have access to a single long observation sequence, and in these situations existing automatic learning methods cannot be applied. In this paper, we adapt algorithms for learning variable order Markov chains from a single observation sequence of a target system, so that stationary system properties can be verified using the learned model. Experiments demonstrate that system properties (formulated as stationary probabilities of LTL formulas) can be reliably identified using the learned model.
OriginalsprogEngelsk
TitelNASA Formal Methods : 4th International Symposium, NFM 2012, Norfolk, VA, USA, April 3-5, 2012. Proceedings
RedaktørerAlwyn E. Goodloe, Suzette Person
Antal sider15
ForlagSpringer
Publikationsdato2012
Sider216-230
ISBN (Trykt)978-3-642-28890-6
ISBN (Elektronisk)978-3-642-28891-3
DOI
StatusUdgivet - 2012
BegivenhedNASA Formal Methods Symposium - Norfolk, USA
Varighed: 3 apr. 20115 apr. 2012
Konferencens nummer: 4

Konference

KonferenceNASA Formal Methods Symposium
Nummer4
LandUSA
ByNorfolk
Periode03/04/201105/04/2012
NavnLecture Notes in Computer Science
Vol/bind7226
ISSN0302-9743

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