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Proof step 169 from proof refine-write (previous step)

avols[default-volid][m2] = mapped(buf0, n4), avol = abs(avols[default-volid]), m = m1, m0 = m2, n0 = n, n1 = n3, m2 < # avols[default-volid], ebm-cons(avols), ebm-vol-inv(abs(avols[default-volid])), is-aligned(m1, EB_PAGE_SIZE), is-aligned(n, EB_PAGE_SIZE), default-volid ∈ avols, n4 ≤ m1, m1 + n ≤ LEB_SIZE, n3 + n ≤ # buf, ⌊err0⌋ , m0 < # avol → m0 < # avol ∧ (avol[m0].mapped? → avol[m0].mapped? ∧ m0 < # avol) ⊦ ⟨abort⟩ (avol = abs(avols[default-volid]) ∧ err0 = err), n = 0, m0 < # avol ∧ avol[m0].mapped? ∧ # avol[m0].data ≤ m ∧ is-aligned(m, EB_PAGE_SIZE) ∧ is-aligned(n0, EB_PAGE_SIZE) ∧ m + n0 ≤ LEB_SIZE ∧ n1 + n0 ≤ # buf

Heuristic symbolic execution applied rule abort right

And obtained the following new goals

Proof step 170:
avols[default-volid][m2] = mapped(buf0, n4), avol = abs(avols[default-volid]), m = m1, m0 = m2, n0 = n, n1 = n3, m2 < # avols[default-volid], ebm-cons(avols), ebm-vol-inv(abs(avols[default-volid])), is-aligned(n, EB_PAGE_SIZE), is-aligned(m1, EB_PAGE_SIZE), default-volid ∈ avols, n3 + n ≤ # buf, m1 + n ≤ LEB_SIZE, n4 ≤ m1, ⌊err0⌋ , m0 < # avol → m0 < # avol ∧ (avol[m0].mapped? → avol[m0].mapped? ∧ m0 < # avol) ⊦ n = 0, m0 < # avol ∧ avol[m0].mapped? ∧ # avol[m0].data ≤ m ∧ is-aligned(m, EB_PAGE_SIZE) ∧ is-aligned(n0, EB_PAGE_SIZE) ∧ m + n0 ≤ LEB_SIZE ∧ n1 + n0 ≤ # buf

Proof step 169 from proof refine-write (previous step)

Heuristic symbolic execution applied rule abort right

And obtained the following new goals

Rule argument

Additional information