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Proof step 35 from proof refine-write-vidhdr (previous step)

# 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), 2 * EB_PAGE_SIZE ≤ PEB_SIZE ⊦ ∃ err0. (⌊err0⌋ ∨ err0 = ESUCCESS) ∧ ⟨err := err0; if err = ESUCCESS then apebs[m2].vidhdr := avidhdr(v, m6, m5, m3, m4) else {m := m2; choose avhdr with ¬ avhdr.valid? in apebs[m].vidhdr := avhdr}⟩ (abs(pebs[m2, (pebs[m2].data:= copy(buf2, 0, pebs[m2].data, EB_PAGE_SIZE, EB_PAGE_SIZE)).fill:= (2 * EB_PAGE_SIZE)], apebs) ∧ ESUCCESS = err)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 36:
# buf2 = EB_PAGE_SIZE, pebs[m2] = mkpeb(buf1, EB_PAGE_SIZE, false), apebs[m2] = mkpeb(aehdr, empty, buf0, m1, false), aehdr.valid?, m2 < # apebs, m2 < # pebs, 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), 2 * EB_PAGE_SIZE ≤ PEB_SIZE ⊦ ∃ err0. (⌊err0⌋ ∨ err0 = ESUCCESS) ∧ ⟨err := err0; if err = ESUCCESS then apebs[m2].vidhdr := avidhdr(v, m6, m5, m3, m4) else {m := m2; choose avhdr with ¬ avhdr.valid? in apebs[m].vidhdr := avhdr}⟩ (abs(pebs[m2, (pebs[m2].data:= copy(buf2, 0, pebs[m2].data, EB_PAGE_SIZE, EB_PAGE_SIZE)).fill:= (2 * EB_PAGE_SIZE)], apebs) ∧ ESUCCESS = err)

Proof step 35 from proof refine-write-vidhdr (previous step)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Rule argument

Additional information