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Proof step 19 from proof cyclic-array (conclusion)

⊦ cyclic(str, r0, st) ∧ is_array(str, r, st) ∧ st[r -- i '] = refval(r0) ∧ 0 ≤ i ∧ i < st[r -- _length] .intval ∧ is_reftype(st[r -- _type] .type .type) ∧ st[r0 -- _type] .type ≤ st[r -- _type] .type .type → cyclic(str, r, st)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 18:
st[r -- i '] = refval(r0), cyclic(str, r0, st), is_array(str, r, st), i < st[r -- _length] .intval, is_reftype(st[r -- _type] .type .type), st[r0 -- _type] .type ≤ st[r -- _type] .type .type, 0 ≤ i, 0 < st[r -- _length] .intval ⊦ cyclic(str, r, st)

Rule argument

[emptyarg]

Additional information

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