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Proof step 29 from proof junkrefs-append (previous step)

acc = r0 + refs, r0 = st[r -- i '] .refval, is_array(str, r, st), i < st[r -- _length] .intval, is_referencevalue(st[r -- i ']), junkrefs(str, acc, st[r -- _type] .type .type, st), st[r -- _type] .type ≤ ty, 0 ≤ i, 0 < st[r -- _length] .intval, ∀ str, ty, st, refs0. junkrefs(str, acc, ty, st) → junkrefs(str, acc + refs0, ty, st) ⊦ r = jvmref, acc = [], junkrefs(str, (r ' + acc) + refs0, ty, st)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 28:
st[r -- _type] .type ≤ ty, 0 ≤ i, 0 < st[r -- _length] .intval, is_array(str, r, st), i < st[r -- _length] .intval, is_referencevalue(st[r -- i ']), junkrefs(str, st[r -- i '] .refval ' + refs, st[r -- _type] .type .type, st), ∀ str0, ty0, st0, refs1. junkrefs(str0, st[r -- i '] .refval ' + refs, ty0, st0) → junkrefs(str0, (st[r -- i '] .refval ' + refs) + refs1, ty0, st0) ⊦ r = jvmref, junkrefs(str, r ' + (st[r -- i '] .refval ' + refs) + refs0, ty, st)

Rule argument

[emptyarg]

Additional information

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