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Proof step 10 from proof cyclic-put-badclassfield (previous step)

refs = r + refs0 ∧ refs ≠ [], is_classtype(st[r0 -- _type] .type), r1 ∈ refs, validrefs(str, refs + r1 ', st[r -- _type] .type, st[r0 -- fs ', val]) ⊦ fs ' = _type, cyclic(str, r, st), junkref(str, r, st), fs ' ∈ instfields(st[r0 -- _type] .type .class), dups(refs)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 9:
is_classtype(st[r0 -- _type] .type), validrefs(str, (r ' + refs0) + r1 ', st[r -- _type] .type, st[r0 -- fs ', val]) ⊦ fs ' = _type, cyclic(str, r, st), junkref(str, r, st), fs ' ∈ instfields(st[r0 -- _type] .type .class), dups(refs0), r ∈ refs0, r1 ≠ r ∧ ¬ r1 ∈ refs0

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ([CSIMPSEQ : ⊦ dups(r ' + refs) ↔ dups(refs) ∨ r ∈ refs], [CSIMPSEQ : ⊦ r ∈ r0 ' ↔ r = r0], [CSIMPSEQ : ⊦ r ∈ refs + refs0 ↔ ¬ ¬ (r ∈ refs ∨ r ∈ refs0)], [CSIMPSEQ : ⊦ (refs + refs0) + refs1 = refs + refs0 + refs1], [CSIMPSEQ : ⊦ r ' + refs ≠ []], [CSIMPSEQ : ⊦ r + refs = r ' + refs])]]