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Theorem step-CRASH

⊦ ( ctrok(gs.fctr, gs.fwriters) ∧ writersOk(gs.bq, gs.pq, gs.fwriters) ∧ pendingOk(gs.bq, gs.pq) ∧ SFTrailing(gs.bq) ∧ readFOsOk(gs.rfo, gs.fwriters)) ∧ FLITLInv(gs, lsf(t), pcf(t)) → ⟪pq := gs.pq, fctr := gs.fctr, bq := gs.bq, fwriters := gs.fwriters, freaders := gs.freaders, rfo := gs.rfo; CRASH(; pq, fctr, bq, fwriters, freaders, rfo, pcf); gs := (((((gs.pq:= pq).fctr:= fctr).bq:= bq).fwriters:= fwriters).freaders:= freaders).rfo:= rfo⟫ ( ( ctrok(gs.fctr, gs.fwriters) ∧ writersOk(gs.bq, gs.pq, gs.fwriters) ∧ pendingOk(gs.bq, gs.pq) ∧ SFTrailing(gs.bq) ∧ readFOsOk(gs.rfo, gs.fwriters)) ∧ FLITLInv(gs, lsf(t), pcf(t)))

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