(set-option :verbose true)
(declare-const x Real)
(assert (Not (= x 1.0)))
(debug graph)
(check-sat)
(get-model)
-------------------------
0 ==> true
1 ==> false
2 ==> x
3 ==> 1.0
4 ==> $2 = $3
5 ==> (Not $4)
6 ==> assert $5
sat
4 iterations of propagation
3 decisions
  9 narrowing of a value interval
  9 narrowing of a constraint interval
x = [-0.000000,0.500000]