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Proof step 20 from proof okarray-addarray-other (previous step)

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

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 19:
st[r -- _length] = intval(i), 0 ≤ i, r ∈ st, is_arrayref(r, i, st), r -- _length ∈ st, okreftype(refval(r), mkarraytype(ty), st), ∀ j. ¬ j < 0 ∧ ¬ i ≤ j → oktype(st[r -- j '], ty, st) ⊦ r = jvmref, r = r0, okarray(r, ty, addarray(r0, ty0, vals, st))

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ([CSIMPSEQ : ⊦ is_integervalue(intval(i))], [CSIMPFORWARD : ⊦ i ≤ j ∧ 0 ≤ i → 0 ≤ j])]]