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Proof step 41 from proof inv-write-data (previous step)

apebs[n] = mkpeb(aehdr, avhdr, buf0, m, false), avhdr.valid?, aehdr.valid?, n < # apebs, is-aligned(n4, EB_PAGE_SIZE), is-aligned(n5, EB_PAGE_SIZE), ubi-io-inv(apebs), n1 + n4 ≤ # buf, n5 + n4 ≤ LEB_SIZE, m ≤ n5 ⊦ ∃ err0. ⌊err0⌋ ∨ err0 = ESUCCESS

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 42:
apebs[n] = mkpeb(aehdr, avhdr, buf0, m, false), aehdr.valid?, avhdr.valid?, n < # apebs, is-aligned(n5, EB_PAGE_SIZE), is-aligned(n4, EB_PAGE_SIZE), ubi-io-inv(apebs), m ≤ n5, n5 + n4 ≤ LEB_SIZE, n1 + n4 ≤ # buf ⊦ ∃ err0. ⌊err0⌋ ∨ err0 = ESUCCESS

Proof step 41 from proof inv-write-data (previous step)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Rule argument

Additional information