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Proof step 9 from proof junkrefs-primarray (previous step)

st[r -- i '] = refval(r0), st[r -- _type] .type = mkarraytype(ty0), is_referencevalue(st[r -- i ']), i < st[r -- _length] .intval, r ∈ st, 0 < st[r -- _length] .intval, 0 ≤ i, ty0 ≤ ty, is_primtype(ty), is_array(str, r, st), okarray(r, ty, st), junkrefs(str, r0 ' + refs0, ty0, st) ⊦ r = jvmref

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 8:
st[r -- _type] .type = mkarraytype(ty0), st[r -- i '] = refval(r0), junkrefs(str, r0 ' + refs0, ty0, st), okarray(r, ty, st), is_array(str, r, st), is_primtype(ty), ty0 ≤ ty, 0 ≤ i, 0 < st[r -- _length] .intval, r ∈ st, i < st[r -- _length] .intval ⊦ r = jvmref

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ([CSIMPSEQ : ⊦ is_referencevalue(refval(r))])]]