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Proof step 135 from proof hasSharing-dd-help (previous step)

refs0 ≠ [], path∃(str, r, r2, st), validrefs(str, refs0 .last ' + refs1 + r0 ', st[refs0 .last -- _type] .type, st), validrefs(str, r2 ' + refs2 + r0 ', st[r2 -- _type] .type, st), validrefs(str, r ' + refs0, st[r -- _type] .type, st) ⊦ refs0 .last = r0, r0 = jvmref, r2 = refs0 .last, hasSharing(r, st), path∃(str, r2, refs0 .last, st), path∃(str, refs0 .last, r2, st)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 134:
validrefs(str, r ' + refs0, st[r -- _type] .type, st), validrefs(str, r2 ' + refs2 + r0 ', st[r2 -- _type] .type, st), validrefs(str, refs0 .last ' + refs1 + r0 ', st[refs0 .last -- _type] .type, st), path∃(str, r, r2, st) ⊦ refs0 = [], r2 = refs0 .last, r0 = jvmref, refs0 .last = r0, path∃(str, refs0 .last, r2, st), path∃(str, r2, refs0 .last, st), hasSharing(r, st)

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ()]]