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Proof step 14 from proof hasSharing-array-forward (previous step)

st[r0 -- sks0] = refval(r1), st[r -- i '] = refval(r0), st[r0 -- sks] = refval(r1), 0 < st[r -- _length] .intval, 0 ≤ i, is_arraytype(st[r -- _type] .type), i < st[r -- _length] .intval, fits(r0, sks, st), fits(r0, sks0, st) ⊦ sks0 = sks, sks0 = [], sks = [], r1 = jvmref, r = jvmref, fits(r, i ' + sks0, st) ∧ fits(r, i ' + sks, st) ∧ i ' + sks0 ≠ i ' + sks ∧ i ' + sks0 ≠ [] ∧ i ' + sks ≠ [] ∧ st[r -- (i ' + sks0)] .refval ≠ jvmref ∧ st[r -- (i ' + sks0)] = st[r -- (i ' + sks)]

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 13:
st[r0 -- sks0] = refval(r1), st[r -- i '] = refval(r0), st[r0 -- sks] = refval(r1), 0 < st[r -- _length] .intval, 0 ≤ i, is_arraytype(st[r -- _type] .type), i < st[r -- _length] .intval, fits(r0, sks, st), fits(r0, sks0, st) ⊦ sks0 = sks, sks0 = [], sks = [], r1 = jvmref, r = jvmref, fits(r, i ' ' + sks0, st) ∧ fits(r, i ' ' + sks, st) ∧ st[r -- (i ' ' + sks0)] .refval ≠ jvmref ∧ st[r -- (i ' ' + sks0)] = st[r -- (i ' ' + sks)]

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ([CSIMPSEQ : ⊦ sk ' ≠ []], [CSIMPSEQ : ⊦ ¬ sks + sks0 ≠ [] ↔ sks = [] ∧ sks0 = []], [CSIMPSEQ : ⊦ (sks + sks0) + sks1 = sks + sks0 + sks1], [CSIMPSEQ : ⊦ sks + sks0 = sks + sks1 ↔ sks0 = sks1], [CSIMPSEQ : ⊦ sk + sks = sk ' + sks])]]