Abstract
A large amount of effort is spent on fault localization in the program debugging process. So, it is necessary to develop effective fault-localizing methods. Dynamic slicing is a technique for narrowing down where a fault is likely to exist. However, dynamic slicing requires a large amount of run time due to the tracing information that is collected during the program's execution. Furthermore, the extracted slice may, in the worst case, be the whole program itself. This paper presents a new fault localizing method that combines dynamic slicing with forward tracking techniques. The proposed method differs from previous slicing-based fault localization techniques in that it utilizes information from the design specification during forward tracking, and thus can reduce the size of the dynamic slice constructed. This paper applies this new method to an inventory control program at a wine shop and discusses its effectiveness by comparison with an existing method.
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