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Proof step 24 from proof unchanged-lookup-generic (previous step)

path∃(str, r, r0, st), (path∃(str, r, r0, st) ↔ path∃(str, r, r0, st0)) ∧ (path∃(str, r, r0, st) → unchangedNorec(r0, st, st0)), path∃(str, r, r0, st0), is_arraytype(st[r0 -- _type] .type) → sk = _length ∨ is_indexkey(sk) ∧ 0 ≤ sk .index ∧ sk .index < st[r0 -- _length] .intval, is_classtype(st[r0 -- _type] .type) → sk ∈ instfields(st[r0 -- _type] .type .class) ⊦ r0 = jvmref, st[r0 -- sk] = st0[r0 -- sk]

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 23:
path∃(str, r, r0, st), path∃(str, r, r0, st0), unchangedNorec(r0, st, st0), is_arraytype(st[r0 -- _type] .type) → sk = _length ∨ is_indexkey(sk) ∧ 0 ≤ sk .index ∧ sk .index < st[r0 -- _length] .intval, is_classtype(st[r0 -- _type] .type) → sk ∈ instfields(st[r0 -- _type] .type .class) ⊦ r0 = jvmref, st[r0 -- sk] = st0[r0 -- sk]

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ()]]