PROBLEM TO BE SOLVED: To provide a hardware simulation system which improves simulation circumstance of designers and supports removal of bugs which cannot be found by static analysis of a specific model only, using a means which memorizes and analyzes various kinds of information on the simulation executing process of the specific model which describes the hardware behavior.;SOLUTION: In this system, signal substitution requests which do not reflect to process are notified to designers at the early stage by detecting the process request deleted without executing causing by mutual relation of each execution requested time among the process requests memorized before on reading process of each process request and each execution requested time described in the specifics model, and by outputting on the display the detected request of deleted process.;COPYRIGHT: (C)2004,JPO
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