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Proof step 96 from proof unchanged-junkrefs-level (previous step)

st[r -- i '] = refval(r1), st[r -- _type] .type = mkarraytype(ty1), st[r -- _length] = st1[r -- _length], st1[r -- i '] = refval(r1), st1[r -- _type] = st[r -- _type], 0 < st1[r -- _length] .intval, is_array(str0, r, st), unchangedNorec(r, st, st1), is_array(str, r, st), 0 ≤ i, is_array(str, r, st1), is_valid_ref(str0, r, st1), mkarraytype(ty1) ≤ ty, i < st1[r -- _length] .intval, junkrefs(str, r1 ' + refs, ty1, st), unchanged(str0, r, st, st1), level⊆(str, str0), ∀ r0. (path∃(str0, r, r0, st) ↔ path∃(str0, r, r0, st1)) ∧ (path∃(str0, r, r0, st) → unchangedNorec(r0, st, st1)), unchanged(str0, r1, st, st1) ∧ junkrefs(str, r1 ' + refs, ty1, st) ∧ level⊆(str, str0) → junkrefs(str, r1 ' + refs, ty1, st1), ∀ i0. ¬ i0 < 0 ∧ ¬ st1[r -- _length] .intval ≤ i0 → st[r -- i0 '] = st1[r -- i0 '] ⊦ r = jvmref, junkrefs(str, r1 ' + refs, ty1, st1)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ([CSIMPNAMEDSEQ : list, references, a, ⊦ (refs + refs0) + refs1 = refs + refs0 + refs1])]]