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Proof step 15 from proof isarray-addarray-01 (previous step)

st[r1 -- _type] = typeval(mkarraytype(ty0)), st[r1 -- _length] = intval(i), 0 ≤ i, is_arrayref(r1, i, st), r1 -- _length ∈ st, okreftype(refval(r1), mkarraytype(ty0), st), r1 -- _type ∈ st, r1 ∈ st, ∀ j. ¬ j < 0 ∧ ¬ i ≤ j → oktype(st[r1 -- j '], ty0, addarray(r0, ty, vals, st)) ⊦ r1 = jvmref, r1 = r0, okarray(r1, ty0, st)

User applied rule insert rewrite lemma

And obtained the following new goals

Rule argument

[speclemmaarg: , okarray(r, ty, st) ↔ okreftype(refval(r), mkarraytype(ty), st) ∧ r ≠ jvmref ∧ r -- _length ∈ st ∧ is_integervalue(st[r -- _length]) ∧ 0 ≤ st[r -- _length] .intval ∧ is_arrayref(r, st[r -- _length] .intval, st) ∧ (∀ j. 0 ≤ j ∧ j < st[r -- _length] .intval → oktype(st[r -- j '], ty, st)) ,[st, ty, r] → [st, ty0, r1] ,F ,okfuns , ,okarrayNotNull ]

Additional information

[[CONCRETESIMPRULES : ()], [EXTRATERMS : (st, ty0, r1)]]