Patent ID: 8595677

Claim:
A method implemented with a processor for analyzing a circuit design, comprising: one or more computing systems receiving an electronic design for analysis from a non-transitory storage medium or a network path; the one or more computing systems executing a first sequence of instructions of a program code stored on the non-transitory computer readable medium using one or more processors to calculate voltage values for tap nodes for a net in the electronic design in a first stage analysis rather than using a constant power supply voltage for the net of the electronic design; and the one or more computing systems executing a first sequence of instructions of the program code using the one or more processors for performing a simulation on a new netlist that includes the tap nodes and one or more tap devices but excludes non-tap nodes in a second stage, where the tap nodes or the tap devices are identified to be included in the new netlist based at least on their close proximity to the net, and the voltage values calculated in the first stage are used to perform the simulation in the second stage.