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Consistency Checking in Early SPL Specifications - The VCC Approach

Software Product Line Engineering (SPLE) is a successful paradigm to produce a family of products for a specific domain. A challenge in SPLE is to check that different models used in early SPL specification do not contain inconsistent information that may be propagated and generate inconsistent products that do not conform to its requirements. This challenge is difficult to address due to the high number of possible combinations of product features and model fragments specifying those features. Variability Consistency Checking (VCC) offers automatic means to address that challenge. VCC relates information inferred from the relationships between features and from base models related to those features. Validating if all the products in an SPL satisfy user-defined consistency constraints is based on searching for a satisfying assignment of each formula generated by VCC. We validated VCC and its supporting tool on two case studies from different application domains, the results were encouraging as we did not observed significant performance penalties.

URL: http://

Journal: Journal of Universal Computer Science ( Austria )

Volume: 20

Number: 5

Pages: 640 to 655

Date: May, 2014

    Mauricio Alférez, Roberto E. Lopez-Herrejon (Institute for Systems Engineering and Automation Johannes Kepler University Linz), Ana Moreira, Vasco Amaral, Alexander Egyed (Institute for Systems Engineering and Automation Johannes Kepler University Linz)
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