Practical stopping criteria for validating safety-critical software by estimating impartial reliability |
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Authors: | Wen-Kui Chang Shuen-Lin Jeng |
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Institution: | 1. Department of Computer Sciences and Information Engineering, P.O. Box 5-809, Tunghai University, Taichung 40767, Taiwan;2. Department of Statistics, National Cheng Kung University, Tainan, Taiwan |
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Abstract: | In this research, we investigate stopping rules for software testing and propose two stopping rules from the aspect of software reliability testing based on the impartial reliability model. The impartial reliability difference (IRD-MP) rule considers the difference between the impartial transition-probability reliabilities estimated for both software developer and consumers at their predetermined prior information levels. The empirical–impartial reliability difference (EIRD-MP) rule suggests stopping a software test when the computed empirical transition reliability is tending to its estimated impartial transition reliability. To insure the high-standard requirement for safety-critical software, both rules take the maximum probability (MP) of untested paths into account. |
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Keywords: | Software reliability Software testing Stopping rules Markov chain Impartial reliability |
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