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This conference talk presents a new framework for verifying systems with a parametric number of concurrent processes. Learn about well-structured systems and how they enable decision-making for verification problems like control-state reachability, coverability, and target through a fixed finite abstraction called a 01-counter system. The speakers, Paul Eichler, Swen Jacobs, and Chana Weil-Kennedy from CISPA and IMDEA Software Institute, demonstrate how various systems from parameterized verification literature—including reconfigurable broadcast networks, disjunctive systems, synchronizations, and systems with shared finite-domain variables—fit into this unified framework. Discover how this approach provides simpler explanations for previously separately-investigated system properties while extending existing results and identifying new systems with similar characteristics. The talk was presented at the VMCAI conference in January 2025, sponsored by ACM SIGPLAN.
