(User | Sem)\{p,v}

--- tau ---> (enter.exit.'v.User | v.Sem)\{p,v}

Mutex1

--- tau ---> (enter.exit.'v.User | v.Sem)\{p,v}

(enter.exit.'v.User | v.Sem)\{p,v}

--- enter ---> (exit.'v.User | v.Sem)\{p,v}

(exit.'v.User | v.Sem)\{p,v}

--- exit ---> ('v.User | v.Sem)\{p,v}

('v.User | v.Sem)\{p,v}

--- tau ---> (User | Sem)\{p,v}