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See viperproject/silicon#735 for the explanation of why we don't get multiple verification errors from Silicon. |
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Another attempt at #1389.
This PR ensures that Viper positions have unique (line, column) pairs, since Silicon does not use the identifier when deduplicating verification errors from multiple execution paths. Related discussion: viperproject/silicon#732.
The line and column of VIR positions will still refer to the source Rust program, because Prusti uses them to deduplicate counterexamples. Explanation: #1389 (comment). They are then ignored when translating to Viper.
This PR adds a
num_errors_per_functionconfiguration flag to set--numberOfErrorsToReportin Silicon. However, I still can't get more than one error per function. 🤔