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Proof step 4 from proof hasSharing-dd-help (previous step)

refs0 ≠ [], validrefs(str, refs0 .last ', st[refs0 .last -- _type] .type, st), validrefs(str, r1 ' + refs0, st[r1 -- _type] .type, st), path∃(str, r, refs0 .last, st), path∃(str, r, r1, st) ⊦ refs0 .last = r1, refs0 .last = jvmref, hasSharing(r, st), path∃(str, r1, refs0 .last, st), path∃(str, refs0 .last, r1, st)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 3:
path∃(str, r, r1, st), path∃(str, r, refs0 .last, st), validrefs(str, r1 ' + refs0, st[r1 -- _type] .type, st), validrefs(str, refs0 .last ', st[refs0 .last -- _type] .type, st) ⊦ refs0 = [], refs0 .last = jvmref, refs0 .last = r1, path∃(str, refs0 .last, r1, st), path∃(str, r1, refs0 .last, st), hasSharing(r, st)

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ()]]