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Proof step 16 from proof refine-read (previous step)

avols[default-volid][m2] = mapped(buf1, n1), buf = buf2, err = ESUCCESS, err = err0, avols[default-volid][m2].mapped?, m2 < # avols[default-volid], ebm-cons(avols), ebm-vol-inv(abs(avols[default-volid])), default-volid ∈ avols, m1 + n2 ≤ # avols[default-volid][m2].data, n3 + n2 ≤ # buf, n3 + n2 ≤ # buf2, m1 + n2 ≤ LEB_SIZE, ⌊err0⌋ ∨ err0 = ESUCCESS ⊦ ⟨ebm_avol_read#(m2, m1, n3, n2, abs(avols[default-volid]); buf2; err1)⟩ (copy(avols[default-volid][m2].data, m1, buf, n3, n2) = buf2 ∧ err = err1)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 17:
avols[default-volid][m2] = mapped(buf1, n1), buf = buf2, m2 < # avols[default-volid], ebm-cons(avols), ebm-vol-inv(abs(avols[default-volid])), default-volid ∈ avols, m1 + n2 ≤ LEB_SIZE, n3 + n2 ≤ # buf2 ⊦ ⟨ebm_avol_read#(m2, m1, n3, n2, abs(avols[default-volid]); buf2; err1)⟩ (copy(avols[default-volid][m2].data, m1, buf, n3, n2) = buf2 ∧ ESUCCESS = err1)

Rule argument

Additional information

Used simplifier rules: elim-mapped: ⊦ leb.mapped? ↔ (∃ buf, m. leb = mapped(buf, m));%⊦ v ∈ avols ∧ m < # avols[v] ∧ avols[v][m] = mapped(buf, m0) ∧ ebm-cons(avols) → # buf = LEB_SIZE; (s)% ⊦ mapped(buf, m).data = buf; (s)% ⊦ mapped(buf, m) = mapped(buf0, m0) ↔ buf = buf0 ∧ m = m0; (ws)% ⊦ ¬ ⌊ESUCCESS⌋ ; (s)