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Proof step 43 from proof fits-put-short-01 (previous step)

(st[r1 -- fs ', shortval(sho)][r -- sk]) = refval(r0), is_shortvalue(st[r1 -- fs ']), fits(r0, sks0, st[r1 -- fs ', shortval(sho)]), is_obj(str, r, st) ∨ is_array(str, r, st), is_classtype(st[r -- _type] .type) → sk ∈ instfields(st[r -- _type] .type .class), is_arraytype(st[r -- _type] .type) → is_indexkey(sk) ∧ 0 ≤ sk .index ∧ sk .index < (st[r1 -- fs ', shortval(sho)][r -- _length]) .intval, r ≠ r1 ∨ _type ≠ fs ', junkref(str, r0, st) ∨ fits(r0, sks0, st) ⊦ r = jvmref, junkref(str, r, st), fits(st[r -- sk] .refval, sks0, st) ∧ (is_arraytype(st[r -- _type] .type) → ¬ is_fskey(sk) ∧ ¬ sk .index < 0 ∧ ¬ st[r -- _length] .intval ≤ sk .index) ∧ is_referencevalue(st[r -- sk])

User applied rule case distinction

And obtained the following new goals

Rule argument

[CASEDARG : pos: left 4, ()]

Additional information

[[CONCRETESIMPRULES : ()]]