@inproceedings{khalifa-etal-2026-countdown,
    title = "Countdown-Code: A Testbed for Studying The Emergence and Generalization of Reward Hacking in {RLVR}",
    author = "Khalifa, Muhammad  and
      Khan, Zohaib  and
      Tafveez, Omer  and
      Peng, Hao  and
      Wang, Lu",
    editor = "Lee, Hung-Yi  and
      Dev, Sunipa  and
      Li, Jessy  and
      Elliott, Desmond",
    booktitle = "Proceedings of the 2026 Conference on Empirical Methods in Natural Language Processing",
    month = oct,
    year = "2026",
    address = "Budapest, Hungary",
    publisher = "Association for Computational Linguistics",
    url = "https://aclanthology.org/2026.emnlp-main.1902/",
    pages = "43345--43363",
    ISBN = "979-8-89176-459-0"
}