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Proof step 39 from proof validrefs-del-junkrefs (previous step)

is_array(str, r0, st -- r) ∧ (st -- r)[r0 -- _type] .type ≤ ty, is_array(str, r0, st), r ' ≠ [] ∧ (∃ i. 0 ≤ i ∧ i < (st -- r)[r0 -- _length] .intval ∧ is_referencevalue((st -- r)[r0 -- i ']) ∧ r ' .first = (st -- r)[r0 -- i '] .refval ∧ junkrefs(str, r ', (st -- r)[r0 -- _type] .type .type, st -- r)), st[r0 -- _type] .type ≤ ty ⊦ r0 = jvmref, r = r0, validrefs(str, r0 ' + r ', ty, st), junkref(str, r0, st)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 38:
0 < st[r0 -- _length] .intval, 0 ≤ i, junkrefs(str, st[r0 -- i '] .refval ', st[r0 -- _type] .type .type, st -- st[r0 -- i '] .refval), is_referencevalue(st[r0 -- i ']), i < st[r0 -- _length] .intval, is_array(str, r0, st), st[r0 -- _type] .type ≤ ty ⊦ st[r0 -- i '] .refval = r0, r0 = jvmref, junkref(str, r0, st), validrefs(str, r0 ' + st[r0 -- i '] .refval ', ty, st)

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ([CSIMPFORWARD : ⊦ i ≤ j ∧ 0 ≤ i → 0 ≤ j], [CSIMPFORWARD : ⊦ i < j ∧ 0 ≤ i → 0 < j], [CSIMPSEQ : ⊦ r ≠ r0 → ( is_array(str, r0, st -- r) ↔ is_array(str, r0, st))], [CSIMPSEQ : ⊦ r ' ≠ []], [CSIMPSEQ : ⊦ r ≠ r0 → (st -- r)[r0 -- sk0] = st[r0 -- sk0]], [CSIMPSEQ : ⊦ r ' .first = r])]]