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Theorem step-M1-M2

⊦ ((# gs.ar ≠ 0 ∧ htok(gs.ar)) ∧ ls.e ≠ ⊥) ∧ pre(gs, ls, M1, a) ∧ pcstepf(gs, ls, M1, a) = M2 → (# gstepf(gs, ls, M1, a).ar ≠ 0 ∧ htok(gstepf(gs, ls, M1, a).ar)) ∧ lstepf(gs, ls, M1, a).e ≠ ⊥ ∧ lstepf(gs, ls, M1, a).sz = # gstepf(gs, ls, M1, a).ar

Type: A proof obligation
Validity: The proof is valid.
Features:
Comment:
Used by: HashsetInv-thm, other-HashsetLInv, rely-HashsetLInv, stable-HashsetLInv, step-HashsetLInv,
Used by units in proved state:
Proof exists?: Yes

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Infos about the proof

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