Features meet scenarios: Modeling and consistency-checking scenario-based product line specifications

Joel Greenyer, Amir Molzam Sharifloo, Maxime Cordy, Patrick Heymans

Research output: Contribution to journalArticlepeer-review

Abstract

Many modern software-intensive systems consist of multiple components interacting together to deliver the intended functionality. Often, these systems come in many variants (products) and are managed together as a software product line. This variability is the source of additional complexity which can cause inconsistencies and offset the economies of scale promised by product line engineering. Engineers thus need intuitive, yet precise means for specifying requirements and require tools for automatically detecting inconsistencies within these requirements. In recent work, we proposed a technique for the scenario-based specification of interactions in product lines by a combination of Modal Sequence Diagrams and Feature Diagrams. Furthermore, we elaborated an efficient consistency-checking technique based on a dedicated model-checking approach especially tailored for product lines. In this paper, we report on further evaluations that underline significant performance benefits of our approach. We describe further optimizations and detail on how we encode the consistency-checking problem for a model-checker.

Original languageEnglish
Pages (from-to)175-198
Number of pages24
JournalRequirements Engineering
Volume18
Issue number2
DOIs
Publication statusPublished - 1 Jun 2013

Keywords

  • Consistency
  • Feature compositions
  • Product lines
  • Scenario-based specification

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