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Proof step 114 from proof refine-write-data (previous step)

mkpeb(buf1, 2 * EB_PAGE_SIZE + m2, false).bad ↔ mkpeb(aehdr, avhdr, buf0, m2, false).bad, LEB_SIZE = (n1 + n3) + m1, apebs[m3] = mkpeb(aehdr, avhdr, buf0, m2, false), pebs[m3] = mkpeb(buf1, 2 * EB_PAGE_SIZE + m2, false), avhdr.valid?, aehdr.valid?, n3 < n, m3 < # apebs, m3 < # pebs, abs(pebs, apebs), is-aligned(m1, EB_PAGE_SIZE), is-aligned(n, EB_PAGE_SIZE), is-aligned(n3, EB_PAGE_SIZE), mtd-cons(pebs), ubi-io-inv(apebs), n3 + m1 ≤ LEB_SIZE, m1 ≤ LEB_SIZE, m2 ≤ LEB_SIZE, n0 + n3 ≤ # buf, m1 + n ≤ LEB_SIZE, n0 + n ≤ # buf, (m1 + 2 * EB_PAGE_SIZE) + n3 ≤ PEB_SIZE, m2 ≤ m1, ⌊err1⌋ , ¬ mkpeb(buf1, 2 * EB_PAGE_SIZE + m2, false).bad → mkpeb(buf1, 2 * EB_PAGE_SIZE + m2, false).fill = (mkpeb(aehdr, avhdr, buf0, m2, false).echdr = empty ⊃ 0 ;(mkpeb(aehdr, avhdr, buf0, m2, false).vidhdr = empty ⊃ EB_PAGE_SIZE;mkpeb(aehdr, avhdr, buf0, m2, false).fill + 2 * EB_PAGE_SIZE) ) ∧ abs-echdr(subarray(mkpeb(buf1, 2 * EB_PAGE_SIZE + m2, false).data, 0, EB_PAGE_SIZE), mkpeb(aehdr, avhdr, buf0, m2, false).echdr) ∧ abs-vidhdr(subarray(mkpeb(buf1, 2 * EB_PAGE_SIZE + m2, false).data, EB_PAGE_SIZE, EB_PAGE_SIZE), mkpeb(aehdr, avhdr, buf0, m2, false).vidhdr) ∧ subarray(mkpeb(buf1, 2 * EB_PAGE_SIZE + m2, false).data, 2 * EB_PAGE_SIZE, LEB_SIZE) = mkpeb(aehdr, avhdr, buf0, m2, false).data ⊦ n3 = 0, (m1 + 2 * EB_PAGE_SIZE) + n3 = (aehdr = empty ⊃ 0;(avhdr = empty ⊃ EB_PAGE_SIZE;(m1 + n3) + 2 * EB_PAGE_SIZE)) ∧ abs-echdr(subarray(buf1, 0, EB_PAGE_SIZE), aehdr) ∧ abs-vidhdr(subarray(buf1, EB_PAGE_SIZE, EB_PAGE_SIZE), avhdr) ∧ subarray(copy(buf, n0, buf1, m1 + 2 * EB_PAGE_SIZE, n3), 2 * EB_PAGE_SIZE, LEB_SIZE) = subarray(buf0, 0, m1) + subarray(buf, n0, n3) + mkempbuf(n1)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 115:
2 * EB_PAGE_SIZE + m2 = (aehdr = empty ⊃ 0;(avhdr = empty ⊃ EB_PAGE_SIZE;m2 + 2 * EB_PAGE_SIZE)), LEB_SIZE = (n1 + n3) + m1, apebs[m3] = mkpeb(aehdr, avhdr, subarray(buf1, 2 * EB_PAGE_SIZE, LEB_SIZE), m2, false), pebs[m3] = mkpeb(buf1, 2 * EB_PAGE_SIZE + m2, false), avhdr.valid?, aehdr.valid?, n3 < n, m3 < # apebs, m3 < # pebs, abs(pebs, apebs), abs-echdr(subarray(buf1, 0, EB_PAGE_SIZE), aehdr), abs-vidhdr(subarray(buf1, EB_PAGE_SIZE, EB_PAGE_SIZE), avhdr), is-aligned(m1, EB_PAGE_SIZE), is-aligned(n, EB_PAGE_SIZE), is-aligned(n3, EB_PAGE_SIZE), mtd-cons(pebs), ubi-io-inv(apebs), n3 + m1 ≤ LEB_SIZE, m1 ≤ LEB_SIZE, m2 ≤ LEB_SIZE, n0 + n3 ≤ # buf, m1 + n ≤ LEB_SIZE, n0 + n ≤ # buf, (m1 + 2 * EB_PAGE_SIZE) + n3 ≤ PEB_SIZE, m2 ≤ m1, ⌊err1⌋ ⊦ n3 = 0, (m1 + 2 * EB_PAGE_SIZE) + n3 = (aehdr = empty ⊃ 0;(avhdr = empty ⊃ EB_PAGE_SIZE;(m1 + n3) + 2 * EB_PAGE_SIZE)) ∧ subarray(copy(buf, n0, buf1, m1 + 2 * EB_PAGE_SIZE, n3), 2 * EB_PAGE_SIZE, LEB_SIZE) = subarray(subarray(buf1, 2 * EB_PAGE_SIZE, LEB_SIZE), 0, m1) + subarray(buf, n0, n3) + mkempbuf(n1)

Rule argument

Additional information

Used simplifier rules: ⊦ mkpeb(aehdr, avhdr, buf, m, boolvar).data = buf; (s)% ⊦ mkpeb(buf, m, boolvar).data = buf; (s)% ⊦ mkpeb(aehdr, avhdr, buf, m, boolvar).fill = m; (s)% ⊦ mkpeb(aehdr, avhdr, buf, m, boolvar).vidhdr = avhdr; (s)% ⊦ mkpeb(aehdr, avhdr, buf, m, boolvar).echdr = aehdr; (s)% ⊦ mkpeb(buf, m, boolvar).fill = m; (s)% ⊦ mkpeb(aehdr, avhdr, buf, m, boolvar).bad ↔ boolvar; (s)% ⊦ mkpeb(buf, m, boolvar).bad ↔ boolvar; (s)