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Proof step 10 from proof pathex-putbyte-field (previous step)

validrefs(str, r0 ' + refs0, mkclasstype(`java.lang.Object' .class), st[r -- mkfs(class, byte_type, fieldvar) ', byteval(by)]) ⊦ refs0 = [], junkref(str, r0, st), path∃(str, r0, (r0 ' + refs0) .last, st)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 9:
validrefs(str, r0 ' + refs0, mkclasstype(`java.lang.Object' .class), st[r -- mkfs(class, byte_type, fieldvar) ', byteval(by)]) ⊦ refs0 = [], junkref(str, r0, st), path∃(str, r0, refs0 .last, st)

Rule argument

[emptyarg]

Additional information

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