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Testing concurrent systems requires exploring all possible non-deterministic interleavings that the concurrent execution may have, as any of the interleavings may reveal erroneous behaviour. This introduces a new problem: the well-known state space problem, which is often computationally intractable. In the present thesis, this issue will be addressed through: (1) the development of new Partial-Order Reduction Techniques and (2) the combination of static analysis and testing (property-based testing) in order to reduce the combinatorial explosion. As a preliminary result, we have performed an experimental evaluation on the SYCO tool, a CLP-based testing framework for actor-based concurrency, where these techniques have been implemented. Finally, our experiments prove the effectiveness and applicability of the proposed techniques.
@InProceedings{isabel:OASIcs.ICLP.2016.18,
author = {Isabel, Miguel},
title = {{Testing of Concurrent Programs}},
booktitle = {Technical Communications of the 32nd International Conference on Logic Programming (ICLP 2016)},
pages = {18:1--18:5},
series = {Open Access Series in Informatics (OASIcs)},
ISBN = {978-3-95977-007-1},
ISSN = {2190-6807},
year = {2016},
volume = {52},
editor = {Carro, Manuel and King, Andy and Saeedloei, Neda and De Vos, Marina},
publisher = {Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
address = {Dagstuhl, Germany},
URL = {https://drops.dagstuhl.de/entities/document/10.4230/OASIcs.ICLP.2016.18},
URN = {urn:nbn:de:0030-drops-67470},
doi = {10.4230/OASIcs.ICLP.2016.18},
annote = {Keywords: Property-based Testing, Partial Order Reduction, Deadlock-Guided Testing, Deadlock Detection, Systematic Testing}
}