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Proof step 130 from proof inv-format (previous step)

# pebs = n0 + m1, # pebs0 = n0 + m1, pebs[m1] = mkpeb(buf, m0, false), err = err0, err2 = err, mtd-cons(pebs), mtd-cons(pebs0), ubi-io-initial(subarray(pebs, 0, m1)), ⌊err0⌋ ∨ err0 = ESUCCESS ⊦ ⟪if err2 = ESUCCESS then ubi_io_write_echdr#(m1, aechdr((err1 = ESUCCESS ∧ aehdr.valid? ⊃ aehdr.ec + 1;0)), EB_PAGE_SIZE; pebs; err2); m1 := m1 + 1⟫ ( m1 ≤ # pebs0 ∧ # pebs0 = # pebs ∧ mtd-cons(pebs) ∧ (err2 = ESUCCESS → ubi-io-initial(subarray(pebs, 0, m1))) ∧ (err2 = ESUCCESS ∨ ⌊err2⌋ ) ∧ # pebs0 < n0 + m1), err = ESUCCESS, n0 = 0

Heuristic symbolic execution applied rule if negative right

And obtained the following new goals

Rule argument

pos: right 1

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