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Proof step 21 from proof hasSharing-array-forward (conclusion)

⊦ ¬ hasSharing(r, st) ∧ st[r -- i '] = refval(r0) ∧ r ≠ jvmref ∧ 0 ≤ i ∧ i < st[r -- _length] .intval ∧ is_arraytype(st[r -- _type] .type) → ¬ hasSharing(r0, st)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 20:
st[r -- i '] = refval(r0), hasSharing(r0, st), i < st[r -- _length] .intval, is_arraytype(st[r -- _type] .type), 0 ≤ i, 0 < st[r -- _length] .intval ⊦ r = jvmref, hasSharing(r, st)

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ([CSIMPFORWARD : ⊦ i ≤ j ∧ 0 ≤ i → 0 ≤ j], [CSIMPFORWARD : ⊦ i < j ∧ 0 ≤ i → 0 < j])]]