Prover: bug fix for the invalidity prover #3138

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Final Result: Bugbot completed review and found 1 potential issue.

Request ID: serverGenReqId_f1dd2631-9579-46b0-9c77-730fbbb5b6c4

Cursor Bugbot has reviewed your changes and found 1 potential issue.

^{❌ Bugbot Autofix is OFF. To automatically fix reported issues with cloud agents, have a team admin enable autofix in the Cursor dashboard.}

^{Reviewed by Cursor Bugbot for commit 0b7b00f. Configure here.}