This book constitutes the refereed proceedings of the 13th IFIP WG 10.5 Advanced Research Working Conference on Correct Hardware Design and Verification Methods, CHARME 2005, held in Saarbr?cken, Germany, in October 2005.

The 21 revised full papers and 18 short papers presented together with 2 invited talks and one tutorial were carefully reviewed and selected from 79 submissions. The papers are organized in topical sections on functional approaches to design description, game solving approaches, abstraction, algorithms and techniques for speeding (DD-based) verification, real time and LTL model checking, evaluation of SAT-based tools, model reduction, and verification of memory hierarchy mechanisms.