Rigorous State-Based Methods
Description
This book constitutes the refereed proceedings of the 12th International Conference on Rigorous State-Based Methods, ABZ 2026, held in Tokyo, Japan, during May 2026.
The 15 full papers, 3 short papers and 2 ABZ 2026 case study papers presented in this book were carefully reviewed and selected from 25 submissions.
The ABZ conference series is dedicated to the cross-fertilization of state-based and machine-based formal methods. Abstract State Machines (ASM), Alloy, B, TLA, VDM, and Z are examples of these methods. They share a common conceptual foundation and are widely used in both academia and industry for the rigorous design and analysis of hardware and software systems. The ABZ conferences aim to be a forum for the vital exchange of knowledge and experience among the research communities around different formal methods.
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Content
.- Invited Talks
.- Practical Applications of Formal Methods to Automotive Systems: From In-Vehicle Systems to Autonomous Driving.
.- Reasoning Beyond LLM: Formal Methods Agents.
.- Systematic Development of Distributed Algorithms using Event-B - Experiences, reviews and prospects.
.- Research Track
.- Counterexample-Guided Interval Weakening.
.- Fuzzing Executable ASMETA Models.
.- Formal Verification of Healthcare Computer Network Architectures using Alloy and TLA+.
.- Why does it fail? Explanation of verification failures.
.- Security-Minded Modelling and Verification of Autonomous Satellite Docking.
.- Verifying Properties of State-Based Models using Constraint Programming.
.- Formal Modelling and Analysis of the ORAN O2 Interface in Alloy: Implications for NTN Deployment.
.- A Method for Testing Partial-Order Reduction Theories in Alloy.
.- Specification and Analysis of Ethical Requirements in Autonomous Systems using Abstract State Machines.
.- A Spectabular Model of an Automotive Adaptive Exterior Light System.
.- Identifying Design Flaws in a Lock-Free Task Pool with TLA+.
.- Slicing Models for Equiconsistency with Alloy.
.- Encoding BDI Syntax with Theories in Event-B.
.- Relational Verification of Identity Disclosure Using Alloy.
.- Evaluating the Practical Impact of Parallelism in Asmeta.
.- Human-Centred Formal Verification: A Vision for Bridging Technical Rigour with Stakeholder Needs in Autonomous Systems.
.- Formal Verification of Decentralized Autonomous Organizations.
.- Case Study Track
.- ABZ 2026 Case Study: A Planetary Rover.
.- Can Large Language Models Support Modeling Systems with ASMETA? A Case Study with a Planetary Rover.
.- Formal Modeling and Analysis of a Planetary Rover under Abnormal Scenarios with Quint.
.- Journal-First Talk
.- SHARCS: Refinement-Centric Hazard Analysis of Requirements for Critical Systems.