VerifyBench: Benchmarking Reference-based Reward Systems for Large Language Models - Yan, Yuchen; Jiang, Jin; Ren, Zhenbang; Li, Yijun; Cai, Xudong; Liu, Yang; Xu, Xin; Zhang, Mengdi; Shao, Jian; Shen, Yongliang; Xiao, Jun; Zhuang, Yueting (International Conference on Learning Representations, 2026)