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cannot generate fold-unfold Viper statements #1520

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nishanthkarthik opened this issue Jun 19, 2024 · 0 comments

nishanthkarthik commented Jun 19, 2024

fn external<'a, 'b>(t: &'a mut u32, r: &'a mut u32) -> &'b mut u32
where 'a: 'b {
    if *t == *r { t } else { r }
}

Details: cannot generate fold-unfold Viper statements. The required permission Pred(_1.val_ref, read) cannot be obtained

Prusti version: 0.2.2, commit 0d4a8d4 2024-03-26 13:08:03 UTC, built on 2024-03-26 13:20:57 UTC

The text was updated successfully, but these errors were encountered:

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