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Proof step 86 from proof unchanged-junkrefs-level (previous step)

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, r = r1, path∃(str0, r, r1, st1), unchanged(str0, r1, st, st1), junkrefs(str, r1 ' + refs, ty1, st1), st[r1 -- _type] .type ≤ ty1 ∧ is_valid_ref(str0, r1, st), ¬ i < 0 ∧ ¬ st1[r -- _length] .intval ≤ i ∧ is_referencevalue(st[r -- i ']) ∧ st[r -- i '] .refval ≠ jvmref ∧ st[st[r -- i '] .refval -- _type] .type ≤ mkarraytype(ty1) .type ∧ path∃(str0, st[r -- i '] .refval, r1, st)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 85:
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), ∀ i0. ¬ i0 < 0 ∧ ¬ st1[r -- _length] .intval ≤ i0 → st[r -- i0 '] = st1[r -- i0 '], ∀ r0. (path∃(str0, r, r0, st) ↔ path∃(str0, r, r0, st1)) ∧ (path∃(str0, r, r0, st) → unchangedNorec(r0, st, st1)) ⊦ r = r1, r1 = jvmref, r = jvmref, junkrefs(str, r1 ' + refs, ty1, st1), unchanged(str0, r1, st, st1), path∃(str0, r, r1, st1), st[r1 -- _type] .type ≤ ty1 ∧ is_valid_ref(str0, r1, st)

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ([CSIMPNAMEDSEQ : cyclic, , pathex-one, ⊦ path∃(str, r, r, st) ↔ r = jvmref ∨ r ≠ jvmref ∧ is_valid_ref(str, r, st)], [CSIMPNAMEDSEQ : javavalue, , sel-09, ⊦ refval(r) .refval = r], [CSIMPNAMEDSEQ : javavalue, , test-19, ⊦ is_referencevalue(refval(r))], [CSIMPNAMEDSEQ : javatype, , sel-01, ⊦ mkarraytype(ty) .type = ty], [CSIMPNAMEDSEQ : int-abs, , lels-03, ⊦ i < j → (¬ ¬ j ≤ i ↔ false)], [CSIMPNAMEDSEQ : int-abs, , lels-04, ⊦ i ≤ j → (¬ ¬ j < i ↔ false)], [CSIMPNAMEDSEQ : list, references, a, ⊦ (refs + refs0) + refs1 = refs + refs0 + refs1])]]