The blow-up in translating LTL to deterministic automata

  • Authors:
  • Orna Kupferman;Adin Rosenberg

  • Affiliations:
  • School of Computer Science and Engineering, Hebrew University, Jerusalem, Israel;School of Computer Science and Engineering, Hebrew University, Jerusalem, Israel

  • Venue:
  • MoChArt'10 Proceedings of the 6th international conference on Model checking and artificial intelligence
  • Year:
  • 2010

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Abstract

The translation of LTL formulas to nondeterministic automata involves an exponential blow-up, and so does the translation of nondeterministic automata to deterministic ones. This yields a 22O(n) upper bound for the translation of LTL to deterministic automata. A lower bound for the translation was studied in [KV05a], which describes a 22Ω(√n) lower bound, leaving the problem of the exact blow-up open. In this paper we solve this problem and tighten the lower bound to 22Ω(n).