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Proof step 25 from proof inv-read-echdr (previous step)

pebs[m0] = mkpeb(buf0, m1, false), err = ESUCCESS, m0 < # pebs, mtd-cons(pebs), EB_PAGE_SIZE ≤ PEB_SIZE, err = ESUCCESS → is-encoded(ehdr, subarray(buf0, 0, EB_PAGE_SIZE)), err = ESUCCESS ∨ ⌊err⌋ ⊦ ⟪aehdr := aechdr(ehdr.ec)⟫ true, subarray(buf0, 0, EB_PAGE_SIZE) = emptypage

Proof step 25 from proof inv-read-echdr (previous step)

Heuristic symbolic execution applied rule assign right

And closed the goal!

Rule argument

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