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Published in:
2010 | OriginalPaper | Chapter
Symbolic Automata Constraint Solving
Authors : Margus Veanes, Nikolaj Bjørner, Leonardo de Moura
Published in: Logic for Programming, Artificial Intelligence, and Reasoning
Publisher: Springer Berlin Heidelberg
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Constraints over regular and context-free languages are common in the context of string-manipulating programs. Efficient solving of such constraints, often in combination with arithmetic and other theories, has many useful applications in program analysis and testing. We introduce and evaluate a method for symbolically expressing and solving constraints over automata, including subset constraints. Our method uses techniques present in the state-of-the-art SMT solver Z3.