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

apebs[m3] = mkpeb(aehdr, avhdr, buf0, m2, false), pebs[m3] = mkpeb(buf1, m, boolvar), ¬ boolvar, aehdr.valid?, avhdr.valid?, m3 < # apebs, m3 < # pebs, abs(pebs, apebs), is-aligned(m0, EB_PAGE_SIZE), is-aligned(n1, EB_PAGE_SIZE), mtd-cons(pebs), ubi-io-inv(apebs), m2 ≤ m0, m0 + n1 ≤ LEB_SIZE, n2 + n1 ≤ # buf, m ≤ m0 + 2 * EB_PAGE_SIZE ⊦ ⟪mtd_asm_write#(m3, m0 + 2 * EB_PAGE_SIZE, n2, n1, buf; pebs; err)⟫ ⟨aubi_io_write_data#(m3, m0, n2, n1, buf; apebs; err0)⟩ (abs(pebs, apebs) ∧ err = err0)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 10:
pebs[m3] = mkpeb(buf1, 2 * EB_PAGE_SIZE + m2, false), apebs[m3] = mkpeb(aehdr, avhdr, buf0, m2, false), avhdr.valid?, aehdr.valid?, m3 < # pebs, m3 < # apebs, abs(pebs, apebs), abs-peb(mkpeb(buf1, 2 * EB_PAGE_SIZE + m2, false), mkpeb(aehdr, avhdr, buf0, m2, false)), is-aligned(n1, EB_PAGE_SIZE), is-aligned(m0, EB_PAGE_SIZE), mtd-cons(pebs), ubi-io-inv(apebs), n2 + n1 ≤ # buf, m0 + n1 ≤ LEB_SIZE, m2 ≤ m0 ⊦ ⟪mtd_asm_write#(m3, m0 + 2 * EB_PAGE_SIZE, n2, n1, buf; pebs; err)⟫ ⟨aubi_io_write_data#(m3, m0, n2, n1, buf; apebs; err0)⟩ (abs(pebs, apebs) ∧ err = err0)

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% ⊦ m + n ≤ m + n0 ↔ n ≤ n0; (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