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Proof step 72 from proof validrefs-put-notin-03 (previous step)

¬ (r ≠ jvmref ∧ (¬ is_valid_ref(str, r, st[r -- sk, val]) ∨ ¬ (st[r -- sk, val][r -- _type]) .type ≤ ty)), is_valid_ref(str, r, st), st[r -- _type] .type ≤ ty, is_valid_ref(str, r, st[r -- sk, val]) ⊦ r = r0, val .refval = r0, r0 = st[r -- sk] .refval, sk = _type, sk = _length, validrefs(str, r ' + r0 ' + refs1, ty, st[r -- sk, val]) ↔ validrefs(str, r ' + r0 ' + refs1, ty, st), r = jvmref, r ∈ refs1, dups(refs1), r0 ∈ refs1

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ([CSIMPNAMEDSEQ : javastore, , at-other-16, ⊦ sk ≠ sk0 → (st[r -- sk, val] [r0 -- sk0 ] ) = st[r0 -- sk0]])]]