The two-volume set LNCS 9206 and LNCS 9207 constitutes the refereed proceedings of the 27th
International Conference on Computer Aided Verification CAV 2015 held in San Francisco CA
USA in July 2015. The total of 58 full and 11 short papers presented in the proceedings was
carefully reviewed and selected from 252 submissions. The papers were organized in topical
sections named: model checking and refinements quantitative reasoning software analysis
lightning talks interpolation IC3 PDR and Invariants SMT techniques and applications HW
verification synthesis termination and concurrency.