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Proof step 3 from proof write-known (previous step)

(r => o0 * P)(H) ⊦ ⟪H0 := H, o := o1, r0 := r⟫ ⟪if ¬ r0 ∈ H0 then abort else H0[r0] := o⟫ (r => o1 * P)(H0)

Heuristic symbolic execution applied rule assign right

And obtained the following new goals

Proof step 2:
(r => o0 * P)(H), r1 = r ∧ o2 = o1 ∧ H1 = H ⊦ ⟪if ¬ r1 ∈ H1 then abort else H1[r1] := o2⟫ (r => o1 * P)(H1)

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ()]]