This book constitutes the thoroughly revised selected papers from the 18th International Symposium, FACS 2022, which was held online in November 2022.The 12 full papers and 1 short paper were carefully reviewed and selected from 25 submissions. FACS 2021 is focusing on the areas of component software and formal methods in order to promote a deeper understanding of how formal methods can or should be used to make component-based software development succeed.

This book constitutes the refereed proceedings of the 15th International Conference on Integrated Formal Methods, IFM 2019, held in Bergen, Norway, in December 2019. The 25 full papers and 3 short papers were carefully reviewed and selected from 95 submissions. The papers cover a broad spectrum of topics: from language design to verification and analysis techniques, to supporting tools and their integration into software engineering practice including both theoretical approaches and practical implementations. Also included are the extended abstracts of 6 "journal-first" papers.