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Proof step 42 from proof validrefs-maxlen (previous step)

r ≠ jvmref, # st .refs < # acc, validrefs(str, r ' + acc, ty, st), ∀ str0, ty0, st0. validrefs(str0, acc, ty0, st0) → # acc ≤ # st0 .refs + 1 ⊦ acc = [], r ∈ acc, dups(acc)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 41:
validrefs(str, r ' + acc, ty, st), # st .refs < # acc, ∀ str0, ty0, st0. validrefs(str0, acc, ty0, st0) → # acc ≤ # st0 .refs + 1 ⊦ r = jvmref, acc = [], dups(acc), r ∈ acc

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ()]]