| (addarray(r, ty, vals, st)[r -- sks]) = refval(r0), (addarray(r, ty, vals, st)[r -- sks0]) = refval(r0), 0 ≤ sks .first .index, sks .first .index < n→i(# vals), is_indexkey(sks .first), fits(r, sks0, addarray(r, ty, vals, st)), fits((addarray(r, ty, vals, st)[r -- sks .first]) .refval, sks .rest, addarray(r, ty, vals, st)), is_referencevalue(addarray(r, ty, vals, st)[r -- sks .first]), disjoint(str, vals .nonnullrefs, st), validreflist(str, vals, ty, st), newref(r, st) ⊦ sks = [], r = jvmref, r0 = jvmref, sks0 = [], sks0 = sks, vals = [], dups(vals .nonnullrefs), hasSharing(vals .nonnullrefs, st) |
sks = sk + sks1, (addarray(r, ty, vals, st)[r -- sks]) = refval(r0), (addarray(r, ty, vals, st)[r -- sks0]) = refval(r0), 0 ≤ sk .index, sk .index < n→i(# vals), is_indexkey(sk), fits(r, sks0, addarray(r, ty, vals, st)), fits((addarray(r, ty, vals, st)[r -- sk]) .refval, sks1, addarray(r, ty, vals, st)), is_referencevalue(addarray(r, ty, vals, st)[r -- sk]), disjoint(str, vals .nonnullrefs, st), validreflist(str, vals, ty, st), newref(r, st) ⊦ sks = [], r = jvmref, r0 = jvmref, sks0 = [], sks0 = sks, vals = [], dups(vals .nonnullrefs), hasSharing(vals .nonnullrefs, st)
[[CONCRETESIMPRULES : ([CSIMPELIM : sks ≠ [] ⊦ sk = sks .first ∧ sks0 = sks .rest ↔ sks = sk + sks0])], [EXTRATERMS : (sks, sk, sks1)]]