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Formal Verification Criteria for Design Engineers

This comprehensive guide covers elements such as sequential dependency, low simulation complexity, linear semantics, and more for formal verification in design engineering. It explains LTL-like constructions, formal semantics, and safety properties, offering simplicity and ease for DV engineers.

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Formal Verification Criteria for Design Engineers

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  1. Elements of e Matthew Morley Verisity matthew@verisity.com

  2. Main Design Criteria • Sequential dependency • Hierarchic specification • Low complexity in simulation • Linear / Trace semantics • Multiple / Asynchronous clocks • Data sampling • Ease of use by DV engineers

  3. For Formal Verification… • Regular Expressions • LTL like construction • Formal semantics over finite traces • … and over infinite traces • Assumptions and properties • Cyclic, Safety, Liveness

  4. Not dogmatic about… • Boolean expression syntax • “fixpoint” temporal operators

  5. Simple additions • Free variables • Named temporal expressions (cf events) • Reset primitive (cf clocks) • Syntax for weak operators (Until, Sample) • Fusion (cf chop)

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