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Theorem ubifs-cons-dentry-target-not-in-orphans

⊦ ubifs-cons(fs, ri, ro, fi, fo, log) ∧ dentrykey(ino, str) ∈ ri ∧ fs[ri[dentrykey(ino, str)]] = dentrynode(key, m) → ¬ inodekey(m) ∈ ro

Type: A user defined theorem
Validity: The proof is valid.
Features: las,
Comment:
Used by: inv-rename-new-keep-parent, inv-rename-new-reparent, inv-rename-overwrite-keep-parent, inv-rename-overwrite-reparent, inv-rmdir, inv-unlink,
Used by units in proved state:
Proof exists?: Yes

View the proof

Infos about the proof

Proved?: Yes
Interactions: 3
Proof steps: 6
Used lemmas:
Used spec theorems:
- aubifs-inv/ubifs-cons
- aubifs-inv/ri-closed
Used simplifier rules:
- set-basic/node-index/size-zero-01
- aubifs-inv/ubifs-parent-in
- set-basic/node-index/ne-01
- store+set/node-index/Dom
- set-basic/node-index/sub-in
- aubifs-inv/dentrynode-closed