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Proof step 76 from proof validrefs-putbar-01 (previous step)

okbytearray(r, st) ∧ validrefs(str, r0 ' + refs0, ty, putByteArray(bytes, r, i, st)), ∀ i, bytes, ty, r0, str, st, r, refs. # refs < # refs0 → (okbytearray(r, st) ∧ validrefs(str, r0 ' + refs, ty, putByteArray(bytes, r, i, st)) → junkref(str, r0, st) ∨ validrefs(str, r0 ' + refs, ty, st)) ⊦ junkref(str, r0, st) ∨ validrefs(str, r0 ' + refs0, ty, st)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 75:
validrefs(str, r0 ' + refs0, ty, putByteArray(bytes, r, i, st)), okbytearray(r, st), ∀ i, bytes, ty, r0, str, st, r, refs. # refs < # refs0 → (okbytearray(r, st) ∧ validrefs(str, r0 ' + refs, ty, putByteArray(bytes, r, i, st)) → junkref(str, r0, st) ∨ validrefs(str, r0 ' + refs, ty, st)) ⊦ validrefs(str, r0 ' + refs0, ty, st), junkref(str, r0, st)

Rule argument

[emptyarg]

Additional information

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