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Proof step 33 from proof junkrefs-delete-02 (previous step)

acc = r1 + refs, r1 = st[r0 -- i '] .refval, is_array(str, r0, st), i < st[r0 -- _length] .intval, is_referencevalue(st[r0 -- i ']), junkrefs(str, acc, st[r0 -- _type] .type .type, st), st[r0 -- _type] .type ≤ ty, 0 ≤ i, 0 < st[r0 -- _length] .intval, ∀ str, ty, st, r. junkrefs(str, acc, ty, st) → junkrefs(str, acc, ty, st -- r) ⊦ r = r0, r0 = jvmref, acc = [], junkrefs(str, r0 ' + acc, ty, st -- r)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 32:
st[r0 -- _type] .type ≤ ty, 0 ≤ i, 0 < st[r0 -- _length] .intval, is_array(str, r0, st), i < st[r0 -- _length] .intval, is_referencevalue(st[r0 -- i ']), junkrefs(str, st[r0 -- i '] .refval ' + refs, st[r0 -- _type] .type .type, st), ∀ str0, ty0, st0, r1. junkrefs(str0, st[r0 -- i '] .refval ' + refs, ty0, st0) → junkrefs(str0, st[r0 -- i '] .refval ' + refs, ty0, st0 -- r1) ⊦ r = r0, r0 = jvmref, junkrefs(str, r0 ' + st[r0 -- i '] .refval ' + refs, ty, st -- r)

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ([CSIMPSEQ : ⊦ (refs + refs0) + refs1 = refs + refs0 + refs1], [CSIMPSEQ : ⊦ r ' + refs ≠ []], [CSIMPSEQ : ⊦ r + refs = r ' + refs])]]