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Proof step 3 from proof unchNorec-length-intro (conclusion)

⊦ r ≠ jvmref ∧ st[r -- _length] ≠ st0[r -- _length] ∧ is_arraytype(st[r -- _type] .type) → ¬ unchangedNorec(r, st, st0)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 2:
is_arraytype(st[r -- _type] .type), unchangedNorec(r, st, st0) ⊦ r = jvmref, st[r -- _length] = st0[r -- _length]

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ()]]