DiagEval: Trajectory-Conditioned Diagnosis for Reliable Software Evaluation with GUI Agents
Evaluating LLM-generated interactive software requires execution in addition to static analysis. The key difficulty is that correctness is a graph-level reachable property over latent UI state-transition graphs, whereas a GUI evaluator observes only a single execution trajectory. A failed rollout therefore rules out only one realized path, leaving failure attribution ambiguous between evaluator-side execution error and genuine software defect. We present DiagEval, a trajectory-conditioned diagnostic evaluation protocol for post-failure GUI-agent evaluation of interactive software. Rather than blindly retrying from scratch, DiagEval reuses the failed trajectory to choose targeted diagnosti...
| Authors | Sirui Hong, Zhijie Liu, Tengfei Li et al. |
|---|---|
| Primary category | cs.SE |
| Published | 17 May 2026 |
| Last updated at source | 19 May 2026 |
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