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Proof step 14 from proof inv-read (previous step)

err0 = ESUCCESS, avols[default-volid][m2].mapped?, m2 < # avols[default-volid], ebm-cons(avols), default-volid ∈ avols, m1 + n ≤ LEB_SIZE, n0 + n ≤ # buf, ⌊err0⌋ ∨ err0 = ESUCCESS ⊦ ⟪buf := copy(avols[default-volid][m2].data, m1, buf, n0, n)⟫ true

Heuristic symbolic execution applied rule assign right

And obtained the following new goals

Proof step 15:
err0 = ESUCCESS, avols[default-volid][m2].mapped?, m2 < # avols[default-volid], ebm-cons(avols), default-volid ∈ avols, n0 + n ≤ # buf, m1 + n ≤ LEB_SIZE, ⌊err0⌋ ∨ err0 = ESUCCESS ⊦ (m1 + n ≤ # avols[default-volid][m2].data ∧ n0 + n ≤ # buf) ∧ avols[default-volid][m2].mapped? ∧ m2 < # avols[default-volid] ∧ default-volid ∈ avols

Proof step 14 from proof inv-read (previous step)

Heuristic symbolic execution applied rule assign right

And obtained the following new goals

Rule argument

Additional information