Does passing tests make generated code universally correct?
No. Tests cover selected properties and inputs. A formal proof establishes a proposition relative to its formal specification and trusted system, which may not capture the entire real-world requirement.
Answered in
Synthetic Data and Model Collapse: Why Verification Helps but Is Not EnoughRecursive synthetic training can lose distributional diversity. Retaining real data, evaluating coverage and using suitable verifiers can reduce the risk.
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