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Proof step 9 from proof refine-write-data-wl (previous step)

apebs[m1] = mkpeb(aehdr, avhdr, buf0, 0, false), pebs[m1] = mkpeb(buf1, m, boolvar), ¬ boolvar, m = 2 * EB_PAGE_SIZE, n = align↑(datasize(buf, n), EB_PAGE_SIZE), aehdr.valid?, avhdr.valid?, m1 < # apebs, m1 < # pebs, abs(pebs, apebs), is-aligned(n, EB_PAGE_SIZE), mtd-cons(pebs), ubi-io-inv(apebs), n ≤ LEB_SIZE, n ≤ # buf ⊦ ⟪mtd_asm_write#(m1, 2 * EB_PAGE_SIZE, 0, n, buf; pebs; err)⟫ ⟨aubi_io_write_data_wl#(m1, n, buf; apebs; err0)⟩ (abs(pebs, apebs) ∧ err = err0), datasize(buf, n) = 0

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Rule argument

Additional information

Used simplifier rules: c: ⊦ m + n = n + m; from specification nat-basic%a: ⊦ (m + n0) + n1 = m + n0 + n1; from specification nat-basic% ⊦ n + 0 = n; (s)%abs-fwd: ⊦ n < # pebs ∧ pebs[n] = peb ∧ abs(pebs, apebs) → n < # apebs ∧ abs-peb(peb, apebs[n]); (forward) from specification ubi-io-abs%abs-fillcount-valid-headers: ⊦ n < # pebs ∧ apebs[n] = mkpeb(aehdr, avhdr, buf, m0, false) ∧ pebs[n] = mkpeb(buf0, m1, false) ∧ aehdr.valid? ∧ avhdr.valid? ∧ abs(pebs, apebs) → m1 = 2 * EB_PAGE_SIZE + m0; (forward) from specification ubi-io-abs%abs-bad: ⊦ n < # apebs ∧ abs(pebs, apebs) ∧ pebs[n] = mkpeb(buf0, m0, boolvar0) ∧ apebs[n] = mkpeb(aehdr, avhdr, buf, m1, boolvar1) → (boolvar0 ↔ boolvar1); (forward) from specification ubi-io-abs