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Proof step 88 from proof unchanged-junkrefs-level (previous step)

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

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ([CSIMPNAMEDSEQ : int-abs, , lels, ⊦ ¬ i < j ↔ j ≤ i], [CSIMPNAMEDSEQ : int-abs, , lels-01, ⊦ ¬ i ≤ j ↔ j < i], [CSIMPNAMEDSEQ : list, references, a, ⊦ (refs + refs0) + refs1 = refs + refs0 + refs1])]]