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Proof step 67 from proof fits-put-stronger (previous step)

sk = i0 ', st[r -- sk] = refval(r0), is_array(str, r, st), okarray(r1, byte_type, st), r1 ∈ st, fits(r0, sks0, st), is_arraytype(st[r -- _type] .type), is_indexkey(sk), i0 < st[r -- _length] .intval, 0 ≤ i0, 0 < st[r -- _length] .intval, ∀ r, st, r1, i, by, str. fits(r, sks0, st) ∧ okarray(r1, byte_type, st) ∧ r1 ∈ st → (st[r1 -- i ', byteval(by)][r -- sks0]) = st[r -- sks0] ∨ r1 = jvmref ∨ junkref(str, r, st) ⊦ r1 = jvmref, (st[r1 -- i ', byteval(by)][r -- (sk ' + sks0)]) = st[r -- (sk ' + sks0)], r = jvmref, junkref(str, r, st)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 66:
st[r -- i0 '] = refval(r0), is_array(str, r, st), okarray(r1, byte_type, st), r1 ∈ st, fits(r0, sks0, st), is_arraytype(st[r -- _type] .type), i0 < st[r -- _length] .intval, 0 < st[r -- _length] .intval, 0 ≤ i0, ∀ r, st, r1, i, by, str. fits(r, sks0, st) ∧ okarray(r1, byte_type, st) ∧ r1 ∈ st → (st[r1 -- i ', byteval(by)][r -- sks0]) = st[r -- sks0] ∨ r1 = jvmref ∨ junkref(str, r, st) ⊦ r1 = jvmref, (st[r1 -- i ', byteval(by)][r -- (i0 ' ' + sks0)]) = st[r -- (i0 ' ' + sks0)], r = jvmref, junkref(str, r, st)

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ([CSIMPFORWARD : ⊦ i ≤ j ∧ 0 ≤ i → 0 ≤ j], [CSIMPSEQ : ⊦ is_indexkey(i ')])]]