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Proof step 9 from proof exactarray-copy (previous step)

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

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 8:
st[r1 -- _type] .type = 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)

Rule argument

[emptyarg]

Additional information

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