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Proof step 5 from proof junkref-put-badarrayfield (previous step)

is_arraytype(st[r0 -- _type] .type), junkrefs(str, r ' + refs0, st[r -- _type] .type, st[r0 -- fs ', val]) ⊦ fs ' = _type, fs ' = _length, r ' + refs0 ≠ [] ∧ (r ' + refs0) .first = r ∧ junkrefs(str, r ' + refs0, st[(r ' + refs0) .first -- _type] .type, st)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 4:
is_arraytype(st[r0 -- _type] .type), junkrefs(str, r ' + refs0, st[r -- _type] .type, st[r0 -- fs ', val]) ⊦ fs ' = _type, fs ' = _length, junkrefs(str, r ' + refs0, st[r -- _type] .type, st)

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ([CSIMPSEQ : ⊦ (r ' + refs) .first = r], [CSIMPSEQ : ⊦ (refs + refs0) + refs1 = refs + refs0 + refs1], [CSIMPSEQ : ⊦ r ' ≠ []], [CSIMPSEQ : ⊦ ¬ refs + refs0 ≠ [] ↔ refs = [] ∧ refs0 = []])]]