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

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

Heuristic conditional right split applied rule if negative right

And obtained the following new goals

Proof step 15:
avols[default-volid][m2] = mapped(buf1, n1), buf = buf2, err = err0, err = ESUCCESS, m2 < # avols[default-volid], ebm-cons(avols), ebm-vol-inv(abs(avols[default-volid])), default-volid ∈ avols, m1 + n2 ≤ LEB_SIZE, n3 + n2 ≤ # buf2, ⌊err0⌋ ∨ err0 = ESUCCESS ⊦ ⟪buf := copy(avols[default-volid][m2].data, m1, buf, n3, n2)⟫ ⟨ebm_avol_read#(m2, m1, n3, n2, abs(avols[default-volid]); buf2; err1)⟩ (buf = buf2 ∧ err = err1)

Rule argument

pos: right 1

Additional information

Used simplifier rules: ⊦ mapped(buf, m).mapped?; (s)