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Lecture Notes in Computer Science
We consider the problem of automatically establishing that a given syntax-guided-synthesis (SyGuS) problem is unrealizable (i.e., has no solution). Existing techniques have quite limited ability to establish unrealizability for general SyGuS instances in which the grammar describing the search space contains infinitely many programs. By encoding the synthesis problem's grammar G as a nondeterministic program PG, we reduce the unrealizability problem to a reachability problem such that, if adoi:10.1007/978-3-030-25540-4_18 fatcat:h5owclerpvh27fhje5bi6rwq74