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Proof step 4 from proof refine-markbad (previous step)

apebs[m] = mkpeb(aehdr, avhdr, buf, m0, boolvar), ¬ boolvar, m < # apebs, abs(pebs, apebs), mtd-cons(pebs), ubi-io-inv(apebs) ⊦ ⟪ubi_io_markbad#(m; pebs; err)⟫ ⟨aubi_io_markbad#(m; apebs; err0)⟩ (abs(pebs, apebs) ∧ err = err0)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 5:
apebs[m] = mkpeb(aehdr, avhdr, buf, m0, false), m < # apebs, abs(pebs, apebs), mtd-cons(pebs), ubi-io-inv(apebs) ⊦ ⟪ubi_io_markbad#(m; pebs; err)⟫ ⟨aubi_io_markbad#(m; apebs; err0)⟩ (abs(pebs, apebs) ∧ err = err0)

Proof step 4 from proof refine-markbad (previous step)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Rule argument

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