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Bug analysis and corresponding error models in real designs

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5 Author(s)
Tao Lv ; Chinese Acad. of Sci., Beijing ; Tong Xu ; Yang Zhao ; Huawei Li
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This paper presents the item-missing error model. It stems from the analysis of real bugs that are collected in two market-oriented projects: (1) the AMBA interface of a general-purpose microprocessor IP core; (2) a wireless sensor network oriented embedded processor. The bugs are analyzed via code structure comparison, and it is found that item-missing errors merit attention. The test generation method for item-missing error model is proposed. Structural information obtained from this error model is helpful to reach a greater probability of bug detection than that in random-generation verification with only functional constraints. Finally, the proposed test method is applied in verification of our designs, and experimental results demonstrate the effectiveness of this method.

Published in:

High Level Design Validation and Test Workshop, 2007. HLVDT 2007. IEEE International

Date of Conference:

7-9 Nov. 2007