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Proof step 63 from proof refine-write-vidhdr (previous step)

# buf2 = EB_PAGE_SIZE, pebs[m2] = mkpeb(buf1, EB_PAGE_SIZE, false), apebs[m2] = mkpeb(aehdr, empty, buf0, m1, false), err = err0, m = EB_PAGE_SIZE, m0 = m2, n = 0, n0 = EB_PAGE_SIZE, n1 = 0, aehdr.valid?, m2 < # apebs, m2 < # pebs, abs(pebs, apebs), abs-peb(mkpeb(buf1, EB_PAGE_SIZE, false), mkpeb(aehdr, empty, buf0, m1, false)), is-aligned(n, EB_PAGE_SIZE), is-encoded(vidhdr(v, m6, m5, m3, m4), buf2), mtd-cons(pebs), ubi-io-inv(apebs), n < n0 ∨ n = 0 ∧ n0 = 0, ⌊err0⌋ ∨ err0 = ESUCCESS ⊦ ⟨aubi_io_write_vidhdr#(m2, avidhdr(v, m6, m5, m3, m4); apebs; err1)⟩ (abs(pebs, apebs) ∧ err = err1), err = ESUCCESS

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 64:
# buf2 = EB_PAGE_SIZE, apebs[m2] = mkpeb(aehdr, empty, buf0, m1, false), pebs[m2] = mkpeb(buf1, EB_PAGE_SIZE, false), aehdr.valid?, m2 < # pebs, m2 < # apebs, abs(pebs, apebs), abs-peb(mkpeb(buf1, EB_PAGE_SIZE, false), mkpeb(aehdr, empty, buf0, m1, false)), is-encoded(vidhdr(v, m6, m5, m3, m4), buf2), mtd-cons(pebs), ubi-io-inv(apebs), ⌊err0⌋ ⊦ ⟨aubi_io_write_vidhdr#(m2, avidhdr(v, m6, m5, m3, m4); apebs; err1)⟩ (abs(pebs, apebs) ∧ err0 = err1)

Rule argument

Additional information

Used simplifier rules: ⊦ 0 < m ↔ m ≠ 0; (s)% ⊦ ⌊err⌋ → err ≠ ESUCCESS; (s)%n ≠ 0 ⊦ is-aligned(0, n); (s)% ⊦ EB_PAGE_SIZE ≠ 0; (s)