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Theorem at-alloc

¬ null ∈ h, r ∈ h, r0 ≠ null, ¬ r0 ∈ h ⊦ (h +h r0)[r]h = h[r]h

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

View the proof

Infos about the proof

Proved?: Yes
Interactions: 1
Proof steps: 3
Used lemmas:
Used spec theorems:
- heapmap/add-get
Used simplifier rules:
- heapmap/get-def