MuFF: Stable and Sensitive Post-training Mutation Testing for Deep Learning
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| Main Authors: | , , , , |
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| Format: | Preprint |
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2025
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| _version_ | 1866912199118684160 |
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| author | Kim, Jinhan Humbatova, Nargiz Jahangirova, Gunel Yoo, Shin Tonella, Paolo |
| author_facet | Kim, Jinhan Humbatova, Nargiz Jahangirova, Gunel Yoo, Shin Tonella, Paolo |
| contents | Rapid adoptions of Deep Learning (DL) in a broad range of fields led to the development of specialised testing techniques for DL systems, including DL mutation testing. However, existing post-training DL mutation techniques often generate unstable mutants across multiple training repetitions and multiple applications of the same mutation operator. Additionally, while extremely efficient, they generate mutants without taking into account the mutants' sensitivity and killability, resulting in a large number of ineffective mutants compared to pre-training mutants. In this paper, we present a new efficient post-training DL mutation technique, named MuFF, designed to ensure the stability of the mutants and capable of generating killable and sensitive mutants. MuFF implements an automated stability check and introduces two mutation operators, named weight and neuron inhibitors. Our extensive empirical experiments show that MuFF generates mutants with 60%pt and 25%pt higher sensitivity compared to DeepMutation++ and DeepCrime, respectively, while also producing mutants that are more stable than those of DeepMutation++ and different from the mutants of DeepCrime. Moreover, MuFF preserves the benefits of the post-training mutation technique, being 61 times faster than DeepCrime in generating mutants. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2501_09846 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | MuFF: Stable and Sensitive Post-training Mutation Testing for Deep Learning Kim, Jinhan Humbatova, Nargiz Jahangirova, Gunel Yoo, Shin Tonella, Paolo Software Engineering Rapid adoptions of Deep Learning (DL) in a broad range of fields led to the development of specialised testing techniques for DL systems, including DL mutation testing. However, existing post-training DL mutation techniques often generate unstable mutants across multiple training repetitions and multiple applications of the same mutation operator. Additionally, while extremely efficient, they generate mutants without taking into account the mutants' sensitivity and killability, resulting in a large number of ineffective mutants compared to pre-training mutants. In this paper, we present a new efficient post-training DL mutation technique, named MuFF, designed to ensure the stability of the mutants and capable of generating killable and sensitive mutants. MuFF implements an automated stability check and introduces two mutation operators, named weight and neuron inhibitors. Our extensive empirical experiments show that MuFF generates mutants with 60%pt and 25%pt higher sensitivity compared to DeepMutation++ and DeepCrime, respectively, while also producing mutants that are more stable than those of DeepMutation++ and different from the mutants of DeepCrime. Moreover, MuFF preserves the benefits of the post-training mutation technique, being 61 times faster than DeepCrime in generating mutants. |
| title | MuFF: Stable and Sensitive Post-training Mutation Testing for Deep Learning |
| topic | Software Engineering |
| url | https://arxiv.org/abs/2501.09846 |