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Proof step 57 from proof fits-put-02 (previous step)

∀ st, r, r1, i, by, str. is_referencevalue(st[r -- sks0]) ∧ okarray(r1, byte_type, st) ∧ fits(r, sks0, st[r1 -- i ', byteval(by)]) ∧ r1 ∈ st → r1 = jvmref ∨ fits(r, sks0, st) ∨ junkref(str, r, st), is_referencevalue(st[r -- (sk + sks0)]), okarray(r1, byte_type, st), fits(r, sk + sks0, st[r1 -- i ', byteval(by)]), r1 ∈ st ⊦ r1 = jvmref, fits(r, sk + sks0, st), junkref(str, r, st)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 56:
r1 ∈ st, is_referencevalue(st[r -- (sk ' + sks0)]), okarray(r1, byte_type, st), fits(r, sk ' + sks0, st[r1 -- i ', byteval(by)]), ∀ st, r, r1, i, by, str. is_referencevalue(st[r -- sks0]) ∧ okarray(r1, byte_type, st) ∧ fits(r, sks0, st[r1 -- i ', byteval(by)]) ∧ r1 ∈ st → r1 = jvmref ∨ fits(r, sks0, st) ∨ junkref(str, r, st) ⊦ r1 = jvmref, junkref(str, r, st), fits(r, sk ' + sks0, st)

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ([CSIMPSEQ : ⊦ sk + sks = sk ' + sks])]]