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Proof step 19 from proof validrefnotnull-put-shortval (conclusion)

⊦ r ≠ jvmref ∧ sk ≠ _length ∧ sk .fs .type = short_type ∧ ¬ is_indexkey(sk) ∧ is_shortvalue(st[r -- sk]) ∧ validrefnotnull(str, r0, ty, st) → validrefnotnull(str, r0, ty, st[r -- sk, shortval(sho)])

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 1:
⊦ validrefnotnull(str, r, ty, st) → r ≠ jvmref
Proof step 18:
sk .fs .type = short_type, is_shortvalue(st[r -- sk]), validrefnotnull(str, r0, ty, st), is_fskey(sk) ⊦ sk = _length, r = jvmref, r0 = jvmref, validrefnotnull(str, r0, ty, st[r -- sk, shortval(sho)])

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ([CSIMPSEQ : ⊦ ¬ is_indexkey(sk) ↔ is_fskey(sk)])]]