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Proof step 102 from proof refine-write-vidhdr (previous step)

apebs[m2] = mkpeb(aehdr, empty, buf, m1, false), m = EB_PAGE_SIZE, m0 = m2, aehdr.valid?, avhdr.valid?, m2 < # apebs, abs(pebs, apebs), mtd-cons(pebs), ubi-io-inv(apebs), m0 < # pebs → avhdr.valid? → m0 < # pebs ∧ (¬ pebs[m0].bad → m0 < # pebs) ⊦ ⟪abort⟫ ⟨aubi_io_write_vidhdr#(m2, avhdr; apebs; err0)⟩ (abs(pebs, apebs) ∧ err = err0), m0 < # pebs ∧ avhdr.valid? ∧ ¬ pebs[m0].bad ∧ pebs[m0].fill = EB_PAGE_SIZE

Heuristic symbolic execution applied rule abort right

And obtained the following new goals

Proof step 103:
apebs[m2] = mkpeb(aehdr, empty, buf, m1, false), m = EB_PAGE_SIZE, m0 = m2, avhdr.valid?, aehdr.valid?, m2 < # apebs, abs(pebs, apebs), mtd-cons(pebs), ubi-io-inv(apebs), m0 < # pebs → avhdr.valid? → m0 < # pebs ∧ (¬ pebs[m0].bad → m0 < # pebs) ⊦ m0 < # pebs ∧ avhdr.valid? ∧ ¬ pebs[m0].bad ∧ pebs[m0].fill = EB_PAGE_SIZE

Proof step 102 from proof refine-write-vidhdr (previous step)

Heuristic symbolic execution applied rule abort right

And obtained the following new goals

Rule argument

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