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Proof step 18 from proof crash-neutral-write (previous step)

pebs[m3] = mkpeb(buf0, m1, false), pebs0 = pebs, m3 < # pebs, is-aligned(m2, EB_PAGE_SIZE), is-aligned(n, EB_PAGE_SIZE), mtd-cons(pebs), m1 ≤ m2, m2 + n ≤ PEB_SIZE, n2 + n ≤ # buf ⊦ ∃ n0. (n0 < n ∨ n0 = 0 ∧ n = 0) ∧ is-aligned(n0, EB_PAGE_SIZE) ∧ ⟨if n0 ≠ 0 then {pebs[m3].data := copy(buf, n2, pebs[m3].data, m2, n0); pebs[m3].fill := m2 + n0}⟩ (pebs0 = pebs)

User applied rule exists right

And obtained the following new goals

Proof step 19:
pebs[m3] = mkpeb(buf0, m1, false), pebs0 = pebs, m3 < # pebs, is-aligned(n, EB_PAGE_SIZE), is-aligned(m2, EB_PAGE_SIZE), mtd-cons(pebs), n2 + n ≤ # buf, m2 + n ≤ PEB_SIZE, m1 ≤ m2 ⊦ (0 < n ∨ 0 = 0 ∧ n = 0) ∧ is-aligned(0, EB_PAGE_SIZE) ∧ ⟨if 0 ≠ 0 then {pebs[m3].data := copy(buf, n2, pebs[m3].data, m2, 0); pebs[m3].fill := m2 + 0}⟩ (pebs0 = pebs)

Rule argument

pos: right 1 terms: 0 abort: F discard: T computed: T

Additional information

Used terms: 0