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Proof step 26 from proof fits-put-short (previous step)

is_obj(str, r, st), st[r -- sk] = refval(r0), fits(r0, sks0, st), is_shortvalue(st[r1 -- fs ']), junkref(str, r0, st), r ≠ r1 ∨ sk ≠ fs ', 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[r -- _length] .intval ⊦ r = jvmref, sks0 = [], (st[r1 -- fs ', val][r0 -- sks0]) = st[r0 -- sks0], junkref(str, r, st)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 25:
st[r -- sk] = refval(r0), is_obj(str, r, st), fits(r0, sks0, st), is_shortvalue(st[r1 -- fs ']), junkref(str, r0, st), is_classtype(st[r -- _type] .type), sk ∈ instfields(st[r -- _type] .type .class), r ≠ r1 ∨ sk ≠ fs ' ⊦ r = jvmref, sks0 = [], (st[r1 -- fs ', val][r0 -- sks0]) = st[r0 -- sks0], junkref(str, r, st)

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ([CSIMPSEQ : ⊦ is_classtype(ty) → ¬ is_arraytype(ty)], [CSIMPSEQ : ⊦ ¬ is_classtype (st[r -- _type] .type) → ¬ is_obj(str, r, st)])]]