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The Tractability Border of Reachability in Simple Vector Addition Systems with States
Dmitry Chistikov, Wojciech Czerwiński, Filip Mazowiecki +3
Vector Addition Systems with States (VASS), equivalent to Petri nets, are a well-established model of concurrency. The central algorithmic challenge in VASS is the reachability pro…
cs.FL2024
Invariants for One-Counter Automata with Disequality Tests
Dmitry Chistikov, Jérôme Leroux, Henry Sinclair-Banks +1
We study the reachability problem for one-counter automata in which transitions can carry disequality tests. A disequality test is a guard that prohibits a specified counter value.…