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Proof step 49 from proof junkrefs-put-null-02 (previous step)

is_reftype(st[r -- _type] .type .type), junkrefs(str, refs, ty, st[r -- i ', refval(jvmref)]) ⊦ r = jvmref, junkrefs(str, refs, ty, st)

User applied rule structural induction

And obtained the following new goals

Proof step 1:
⊦ ¬ junkrefs(str, [], ty, st)
Proof step 48:
∀ st, r, str, ty, i. is_reftype(st[r -- _type] .type .type) ∧ junkrefs(str, acc, ty, st[r -- i ', refval(jvmref)]) → r = jvmref ∨ junkrefs(str, acc, ty, st), is_reftype(st[r -- _type] .type .type), junkrefs(str, r0 + acc, ty, st[r -- i ', refval(jvmref)]) ⊦ r = jvmref, junkrefs(str, r0 + acc, ty, st)

Rule argument

[VARWITHVARSEQSARG : refs, ()]

Additional information

[[CONCRETESIMPRULES : ([CSIMPGEN : references generated by [], +;])]]