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Proof step 12 from proof pathex-putbyte-field (previous step)

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

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 11:
validrefs(str, r0 ' + refs0, mkclasstype(`java.lang.Object' .class), st[r -- mkfs(class, byte_type, fieldvar) ', byteval(by)]) ⊦ junkref(str, r0, st), path∃(str, r0, (r0 ' + refs0) .last, st)

Rule argument

[emptyarg]

Additional information

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