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Theorem in-alloc

¬ null ∈ h, r0 ≠ null, ¬ r0 ∈ h ⊦ r ∈ h +h r0 ↔ r = r0 ∨ r ∈ h

Type: A proof obligation
Validity: The proof is valid.
Features:
Comment: not r0 = null, not r0 \in h |- r \in h ++ r0 <-> r = r0 or r \in h
Used by:
Used by units in proved state:
Proof exists?: Yes

View the proof

Infos about the proof

Proved?: Yes
Interactions: 0
Proof steps: 2
Used lemmas:
Used spec theorems:
- Used simplifier rules:
  - heapmap/add-in