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Proof step 3 from proof inv-orphans-contains (previous step)

key.inode?, ro.inodes?, fo.inodes?, log-cons(log, fs), ri-inj(ri), ri-inj(fi) ⊦ ⟪aubifs_core_orphans_contains#(key, ri, fi, ro, fo, fs, log, boolvar; boolvar0)⟫ true

Heuristic unfold applied rule call right

And obtained the following new goals

Proof step 4:
boolvar0 ↔ boolvar2, boolvar ↔ boolvar1, key.inode?, fo.inodes?, ro.inodes?, log-cons(log, fs), ri-inj(fi), ri-inj(ri) ⊦ ⟪if key.inode? then boolvar := key ∈ ro else abort⟫ true

Rule argument

pos: right 1

Additional information

Used simplifier rules: orphans-contains: ⊦ ;