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Proof step 7 from proof pathex-putbyteval-01 (previous step)

okbytearray(r2, st), validrefs(str, r ' + refs0, mkclasstype(`java.lang.Object' .class), st[r2 -- i ', byteval(by)]) ⊦ refs0 = [], junkref(str, r, st), path∃(str, r, (r ' + refs0) .last, st)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 6:
okbytearray(r2, st), validrefs(str, r ' + refs0, mkclasstype(`java.lang.Object' .class), st[r2 -- i ', byteval(by)]) ⊦ refs0 = [], junkref(str, r, st), path∃(str, r, refs0 .last, st)

Rule argument

[emptyarg]

Additional information

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