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Proof step 7 from proof exactarray-copy (previous step)

st[r1 -- _type] = typeval(ty0), ty0 = mkarraytype(ty), st[r1 -- _length] = intval(i), 0 ≤ i, r1 ∈ st, is_arrayref(r1, i, st), r1 -- _length ∈ st, is_typevalue(st[r1 -- _type]), r1 -- _type ∈ st ⊦ r1 = jvmref, r1 = r0, exactreftype(refval(r1), mkarraytype(ty), st)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 6:
st[r1 -- _length] = intval(i), st[r1 -- _type] = typeval(mkarraytype(ty)), r1 -- _type ∈ st, r1 -- _length ∈ st, is_arrayref(r1, i, st), r1 ∈ st, 0 ≤ i ⊦ r1 = r0, r1 = jvmref, exactreftype(refval(r1), mkarraytype(ty), st)

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ([CSIMPSEQ : ⊦ is_typevalue(typeval(ty))])]]