Formal Methods: Foundations and Applications
Description
This book constitutes the refereed proceedings of the 28th Brazilian Symposium on Formal Methods: Foundations and Applications, SBMF 2025, held in Recife, Brazil, during December 3-5, 2025.
The 12 full papers and 1 short paper included in this book were carefully reviewed and selected from 24 submissions. They were organized in topical sections as follows: Process Algebras and Time; Formal Verification; Testing; Availability and Contracts; Formal Methods and AI; and Teaching and Foundations.
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Content
.- Formal Reasoning for Assuring Product Lines of Complex Systems.
.- Safe Evolution of Smart Contracts Supported by LLMs and Bounded Model Checking.
.- Exploring Modelling Language Engineering.
.- Process Algebras and Time
.- State-based Security and Time-Inserting Supervisors.
.- A Modular Orthogonal Integration of Operational and Prescriptive Timing Requirements using TASTD.
.- Formal Verification
.- Bridging the B-Method and ACSL: Towards Verified C Code.
.- A Research Agenda for the Living SysML v2 Blueprint: Toward Executable, Verifiable, and Navigable System Models.
.- Formal Verification of Epistemic States with Uncertainty in Multi-Agent Systems.
.- Testing
.- Deriving Sound Test Scripts from Requirements written in a Controlled Natural Language.
.- Executable Conformance Testing Theories: from Theory to Practice and Back.
.- Availability and Contracts
.- Availability Model and Evaluation of Bus Rapid Transit Surveillance System.
.- Resource Contracts for Active Objects.
.- Formal Methods and AI
.- Inference of Deterministic Finite Automata via Q-Learning.
.- Formal Development of a Safety Controller for Machine Learning Outputs in Vital Railway Systems.
.- Teaching and Foundations
.- The Turner 2-Strings Machines.
.- A Proof of the De Zolt Postulate in Three-dimensional Space.