Validating multiple variants of an automotive light system with Alloy 6

• Type: Article in International Scientific Journal
• Date: 2024

Authors

Cunha, A (Author) Other; Macedo, N (Author) FEUP; Liu, C (Author) Other

Journal

Title: International Journal on Software Tools for Technology Transfer

Vol. 26

Pages: 365-377

ISSN: 1433-2779

Publisher: Springer Nature

Indexing

ISI Web of Knowledge - 0 Citations

Scopus - 0 Citations

Other information

Authenticus ID: P-010-HRM

DOI: 10.1007/s10009-024-00752-3

Abstract (EN): This paper reports on the development and validation of a formal model for an automotive adaptive exterior lights system (ELS) with multiple variants in Alloy 6, which is the most recent version of the Alloy lightweight formal specification language that supports mutable relations and temporal logic. We explore different strategies to address variability, one in pure Alloy and another through an annotative language extension. We then show how Alloy and its Analyzer can be used to validate systems of this nature, namely by checking that the reference scenarios are admissible, and to automatically verify whether the established requirements hold. A prototype was developed to translate the provided validation sequences into Alloy and back to further automate the validation process. The resulting ELS model was validated against the provided validation sequences and verified for most of requirements for all variants.

Language: English

Type (Professor's evaluation): Scientific

No. of pages: 13