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Proof step 125 from proof inv-format (previous step)

# pebs1 = n0 + m1, # pebs0 = n0 + m1, pebs1[m1] = mkpeb(buf, m2, false), aehdr = aechdr((err1 = ESUCCESS ∧ aehdr0.valid? ⊃ aehdr0.ec + 1;0)), m = EB_PAGE_SIZE, m0 = m1, pebs = pebs1[m1, mkpeb(emptypeb, 0, false)], mtd-cons(pebs1[m1, mkpeb(emptypeb, 0, false)]), mtd-cons(pebs1), mtd-cons(pebs0), ubi-io-initial(subarray(pebs1, 0, m1)), m0 < # pebs → aehdr.valid? → m0 < # pebs ∧ (¬ pebs[m0].bad → m0 < # pebs), (err1 = ESUCCESS ∧ aehdr0.valid? ⊃ aehdr0.valid?;true) ⊦ ⟪abort; m1 := m1 + 1⟫ ( m1 ≤ # pebs0 ∧ # pebs0 = # pebs ∧ mtd-cons(pebs) ∧ (err = ESUCCESS → ubi-io-initial(subarray(pebs, 0, m1))) ∧ (err = ESUCCESS ∨ ⌊err⌋ ) ∧ # pebs0 < n0 + m1), n0 = 0, m0 < # pebs ∧ aehdr.valid? ∧ ¬ pebs[m0].bad ∧ pebs[m0].fill = 0

Heuristic symbolic execution applied rule abort right

And obtained the following new goals

Rule argument

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