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Proof step 67 from proof refine-write (previous step)

avols[default-volid][m2] = mapped(buf0, n2), avol = abs(avols[default-volid]), err = ESUCCESS, err = err0, n = 0, 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, n2 ≤ m1, m1 + n ≤ LEB_SIZE, n3 + n ≤ # buf, ⌊err0⌋ ∨ err0 = ESUCCESS ⊦ ⟪skip⟫ ⟨ebm_avol_write#(m2, m1, n3, n, buf; avol; err1)⟩ (avol = abs(avols[default-volid]) ∧ err = err1)

Heuristic symbolic execution applied rule skip right

And obtained the following new goals

Proof step 68:
avols[default-volid][m2] = mapped(buf0, n2), avol = abs(avols[default-volid]), err = err0, err = ESUCCESS, n = 0, 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, n2 ≤ m1, ⌊err0⌋ ∨ err0 = ESUCCESS ⊦ ⟨ebm_avol_write#(m2, m1, n3, n, buf; avol; err1)⟩ (avol = abs(avols[default-volid]) ∧ err = err1)

Proof step 67 from proof refine-write (previous step)

Heuristic symbolic execution applied rule skip right

And obtained the following new goals

Rule argument

Additional information