How the Analyzer can Help the User Help the Analyzer
Yannick Moy (AdaCore)
TL;DR
This paper discusses how the SPARK proof tool assists users in debugging and completing proofs by providing helpful information during verification failures, illustrated through a simple example.
Contribution
It details the mechanisms of user assistance in SPARK, demonstrating how interaction improves proof automation effectiveness.
Findings
SPARK provides targeted feedback during proof failures.
User interaction enhances proof automation success.
The paper illustrates mechanisms with a concrete example.
Abstract
The automation offered by modern program proof tools goes hand in hand with the capability to interact with the tool when the verification fails. The SPARK proof tool tries to help the user by providing the right information, so that the user can help the tool complete the proof. In this article, we present these mechanisms and how they work concretely on a simple running example.
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