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Proof step 40 from proof junkrefs-put-badarrayindex (previous step)

¬ (r ≠ jvmref ∧ (¬ is_valid_ref(str, r, st) ∨ ¬ st[r -- _type] .type ≤ ty)), junkrefs(str, r ' + acc, ty, st[r0 -- i ', val]), ∀ str, ty, st, r0, i, val. junkrefs(str, acc, ty, st[r0 -- i ', val]) → junkrefs(str, acc, ty, st) ∨ is_array(str, r0, st) ⊦ is_array(str, r0, st), junkrefs(str, r ' + acc, ty, st)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 3:
⊦ ¬ junkrefs(str, jvmref ' + refs, ty, st)
Proof step 39:
junkrefs(str, r ' + acc, ty, st[r0 -- i ', val]), is_valid_ref(str, r, st), st[r -- _type] .type ≤ ty, ∀ str, ty, st, r0, i, val. junkrefs(str, acc, ty, st[r0 -- i ', val]) → junkrefs(str, acc, ty, st) ∨ is_array(str, r0, st) ⊦ r = jvmref, is_array(str, r0, st), junkrefs(str, r ' + acc, ty, st)

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ([CSIMPSEQ : ⊦ (refs + refs0) + refs1 = refs + refs0 + refs1])]]