Jason Baumgartner Tamir Heyman Vigyan Singhal Adnan Aziz Model Checking the IBM Gigahertz Processor: An Abstraction Algorithm for High-Performance Netlists. 72-83 http://dx.doi.org/10.1007/3-540-48683-6_9 1999 conf/cav/1999 CAV db/conf/cav/cav99.html#BaumgartnerHSA99