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Proof step 58 from proof fits-put-01 (previous step)

¬ (r ≠ jvmref ∧ ¬ is_valid_ref(str, r, st)), is_referencevalue(st[r -- sks]), okarray(r1, byte_type, st), fits(r, sks, st), r1 ∈ st ⊦ r1 = jvmref, fits(r, sks, st[r1 -- i ', byteval(by)]), junkref(str, r, st)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 2:
⊦ fits(jvmref, sks, st) ↔ sks = []
Proof step 57:
is_referencevalue(st[r -- sks]), okarray(r1, byte_type, st), fits(r, sks, st), r1 ∈ st, is_valid_ref(str, r, st) ⊦ r1 = jvmref, r = jvmref, fits(r, sks, st[r1 -- i ', byteval(by)]), junkref(str, r, st)

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ([CSIMPSEQ : ⊦ ¬ junkref(str, jvmref, st)])]]