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Proof step 688 from proof hasSharing-put-index-refval (previous step)

st[r -- (sks3 + i ' ' + sks0)] = refval(r0), (st[r0 -- i ', refval(r2)][(st[r0 -- i ', refval(r2)][r -- (sks3 + i ' ' + sks0)]) .refval -- (i ' ' + sks2)]) = refval(r1), st[r0 -- _type] .type = mkarraytype(ty), st[r -- sks] = refval(r1), st[r -- sks3] = refval(r0), 0 < st[r0 -- _length] .intval, fits(r, sks3 + i ' ' + sks0, st), fits(r2, sks2, st[r0 -- i ', refval(r2)]), 0 ≤ i, i < st[r0 -- _length] .intval, validref(str, r2, ty, st), disjoint(str, r ' + r2 ', st), fits(r, sks, st), ∀ sks1. sks1 + i ' ' ⊑ sks3 → st[r -- sks1] .refval ≠ r0, r2 = jvmref → is_reftype(ty) ⊦ sks3 + (i ' ' + sks0) + i ' ' + sks2 = sks, sks = [], r1 = jvmref, r = r2, r0 = jvmref, hasSharing(r, st), hasSharing(r2, st), junkref(str, r, st), ∃ sks1. ¬ (sks1 + i ' ' ⊑ sks3 + i ' ' + sks0 → st[r -- sks1] .refval ≠ r0), ∃ sks1, sks5. sks3 + i ' ' + sks0 = sks1 + i ' ' + sks5 ∧ st[r -- sks1] .refval = r0 ∧ (∀ sks4. sks4 + i ' ' ⊑ sks1 → st[r -- sks4] .refval ≠ st[r -- sks1] .refval), ∃ sks0, sks1. sks = sks0 + i ' ' + sks1 ∧ st[r -- sks0] .refval = r0 ∧ (∀ sks2. sks2 + i ' ' ⊑ sks0 → st[r -- sks2] .refval ≠ st[r -- sks0] .refval)

User applied rule exists right

And closed the goal!

Rule argument

[EXRARG : pos: right 9, [extquanttermlist: (sks3)abort:F, discard:T, computed:F]]

Additional information

[[CONCRETESIMPRULES : ([CSIMPNAMEDSEQ : list-last, storekeys, app-01-02, ⊦ sks + sks0 ⊑ sks + sks1 ↔ sks0 ⊑ sks1], [CSIMPNAMEDSEQ : list-last, storekeys, prefix-one, ⊦ sk ' ⊑ sk0 ' + sks ↔ sk = sk0], [CSIMPNAMEDSEQ : list, storekeys, a, ⊦ (sks + sks0) + sks1 = sks + sks0 + sks1], [CSIMPNAMEDSEQ : javavalue, , sel-09, ⊦ refval(r) .refval = r])], [EXTRATERMS : (sks3)]]