0.122 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.027 * * * [progress]: [2/2] Setting up program.
0.029 * [progress]: [Phase 2 of 3] Improving.
0.029 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (- (sqrt (+ x 1.0)) (sqrt x))
0.030 * * [simplify]: iteration  0 :  6  enodes  (cost  7 )
0.031 * * [simplify]: iteration  1 :  9  enodes  (cost  7 )
0.031 * * [simplify]: iteration  2 :  10  enodes  (cost  7 )
0.032 * * [simplify]: iteration  done :  10  enodes  (cost  7 )
0.032 * [simplify]: Simplified to:
   (- (sqrt (+ x 1.0)) (sqrt x))
0.033 * * [progress]: iteration 1 / 4
0.033 * * * [progress]: picking best candidate
0.034 * * * * [pick]: Picked  #<alt (λ (x) (- (sqrt (+ x 1.0)) (sqrt x)))>
0.034 * * * [progress]: localizing error
0.039 * * * [progress]: generating rewritten candidates
0.039 * * * * [progress]: [ 1 / 2 ] rewriting at (2)
0.068 * * * * [progress]: [ 2 / 2 ] rewriting at (2 1)
0.076 * * * [progress]: generating series expansions
0.076 * * * * [progress]: [ 1 / 2 ] generating series at (2)
0.076 * [approximate]: Taking taylor expansion of (- (sqrt (+ x 1.0)) (sqrt x)) in (x) around 0
0.076 * [taylor]: Taking taylor expansion of (- (sqrt (+ x 1.0)) (sqrt x)) in x
0.076 * [taylor]: Taking taylor expansion of (sqrt (+ x 1.0)) in x
0.076 * [taylor]: Taking taylor expansion of (+ x 1.0) in x
0.076 * [taylor]: Taking taylor expansion of x in x
0.076 * [taylor]: Taking taylor expansion of 1.0 in x
0.078 * [taylor]: Taking taylor expansion of (sqrt x) in x
0.078 * [taylor]: Taking taylor expansion of x in x
0.079 * [taylor]: Taking taylor expansion of (- (sqrt (+ x 1.0)) (sqrt x)) in x
0.079 * [taylor]: Taking taylor expansion of (sqrt (+ x 1.0)) in x
0.079 * [taylor]: Taking taylor expansion of (+ x 1.0) in x
0.079 * [taylor]: Taking taylor expansion of x in x
0.079 * [taylor]: Taking taylor expansion of 1.0 in x
0.081 * [taylor]: Taking taylor expansion of (sqrt x) in x
0.081 * [taylor]: Taking taylor expansion of x in x
0.107 * [approximate]: Taking taylor expansion of (- (sqrt (+ 1.0 (/ 1 x))) (sqrt (/ 1 x))) in (x) around 0
0.107 * [taylor]: Taking taylor expansion of (- (sqrt (+ 1.0 (/ 1 x))) (sqrt (/ 1 x))) in x
0.107 * [taylor]: Taking taylor expansion of (sqrt (+ 1.0 (/ 1 x))) in x
0.107 * [taylor]: Taking taylor expansion of (+ 1.0 (/ 1 x)) in x
0.107 * [taylor]: Taking taylor expansion of 1.0 in x
0.107 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.107 * [taylor]: Taking taylor expansion of x in x
0.108 * [taylor]: Taking taylor expansion of (sqrt (/ 1 x)) in x
0.108 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.108 * [taylor]: Taking taylor expansion of x in x
0.110 * [taylor]: Taking taylor expansion of (- (sqrt (+ 1.0 (/ 1 x))) (sqrt (/ 1 x))) in x
0.110 * [taylor]: Taking taylor expansion of (sqrt (+ 1.0 (/ 1 x))) in x
0.110 * [taylor]: Taking taylor expansion of (+ 1.0 (/ 1 x)) in x
0.110 * [taylor]: Taking taylor expansion of 1.0 in x
0.110 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.110 * [taylor]: Taking taylor expansion of x in x
0.111 * [taylor]: Taking taylor expansion of (sqrt (/ 1 x)) in x
0.111 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.111 * [taylor]: Taking taylor expansion of x in x
0.128 * [approximate]: Taking taylor expansion of (- (sqrt (- 1.0 (/ 1 x))) (sqrt (/ -1 x))) in (x) around 0
0.128 * [taylor]: Taking taylor expansion of (- (sqrt (- 1.0 (/ 1 x))) (sqrt (/ -1 x))) in x
0.128 * [taylor]: Taking taylor expansion of (sqrt (- 1.0 (/ 1 x))) in x
0.128 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 x)) in x
0.128 * [taylor]: Taking taylor expansion of 1.0 in x
0.128 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.128 * [taylor]: Taking taylor expansion of x in x
0.130 * [taylor]: Taking taylor expansion of (sqrt (/ -1 x)) in x
0.130 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.130 * [taylor]: Taking taylor expansion of -1 in x
0.130 * [taylor]: Taking taylor expansion of x in x
0.131 * [taylor]: Taking taylor expansion of (- (sqrt (- 1.0 (/ 1 x))) (sqrt (/ -1 x))) in x
0.131 * [taylor]: Taking taylor expansion of (sqrt (- 1.0 (/ 1 x))) in x
0.131 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 x)) in x
0.131 * [taylor]: Taking taylor expansion of 1.0 in x
0.131 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.131 * [taylor]: Taking taylor expansion of x in x
0.133 * [taylor]: Taking taylor expansion of (sqrt (/ -1 x)) in x
0.133 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.133 * [taylor]: Taking taylor expansion of -1 in x
0.133 * [taylor]: Taking taylor expansion of x in x
0.151 * * * * [progress]: [ 2 / 2 ] generating series at (2 1)
0.151 * [approximate]: Taking taylor expansion of (sqrt (+ x 1.0)) in (x) around 0
0.151 * [taylor]: Taking taylor expansion of (sqrt (+ x 1.0)) in x
0.151 * [taylor]: Taking taylor expansion of (+ x 1.0) in x
0.151 * [taylor]: Taking taylor expansion of x in x
0.151 * [taylor]: Taking taylor expansion of 1.0 in x
0.153 * [taylor]: Taking taylor expansion of (sqrt (+ x 1.0)) in x
0.153 * [taylor]: Taking taylor expansion of (+ x 1.0) in x
0.153 * [taylor]: Taking taylor expansion of x in x
0.153 * [taylor]: Taking taylor expansion of 1.0 in x
0.162 * [approximate]: Taking taylor expansion of (sqrt (+ 1.0 (/ 1 x))) in (x) around 0
0.162 * [taylor]: Taking taylor expansion of (sqrt (+ 1.0 (/ 1 x))) in x
0.162 * [taylor]: Taking taylor expansion of (+ 1.0 (/ 1 x)) in x
0.162 * [taylor]: Taking taylor expansion of 1.0 in x
0.162 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.162 * [taylor]: Taking taylor expansion of x in x
0.164 * [taylor]: Taking taylor expansion of (sqrt (+ 1.0 (/ 1 x))) in x
0.164 * [taylor]: Taking taylor expansion of (+ 1.0 (/ 1 x)) in x
0.164 * [taylor]: Taking taylor expansion of 1.0 in x
0.164 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.164 * [taylor]: Taking taylor expansion of x in x
0.172 * [approximate]: Taking taylor expansion of (sqrt (- 1.0 (/ 1 x))) in (x) around 0
0.172 * [taylor]: Taking taylor expansion of (sqrt (- 1.0 (/ 1 x))) in x
0.172 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 x)) in x
0.172 * [taylor]: Taking taylor expansion of 1.0 in x
0.172 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.172 * [taylor]: Taking taylor expansion of x in x
0.174 * [taylor]: Taking taylor expansion of (sqrt (- 1.0 (/ 1 x))) in x
0.174 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 x)) in x
0.174 * [taylor]: Taking taylor expansion of 1.0 in x
0.174 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.174 * [taylor]: Taking taylor expansion of x in x
0.182 * * * [progress]: simplifying candidates
0.190 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (fma (* (cbrt (sqrt (+ x 1.0))) (cbrt (sqrt (+ x 1.0)))) (cbrt (sqrt (+ x 1.0))) (- (* (cbrt (sqrt x)) (* (cbrt (sqrt x)) (cbrt (sqrt x))))))
  (fma (- (cbrt (sqrt x))) (* (cbrt (sqrt x)) (cbrt (sqrt x))) (* (cbrt (sqrt x)) (* (cbrt (sqrt x)) (cbrt (sqrt x)))))
  (fma (* (cbrt (sqrt (+ x 1.0))) (cbrt (sqrt (+ x 1.0)))) (cbrt (sqrt (+ x 1.0))) (- (* (sqrt (cbrt x)) (sqrt (* (cbrt x) (cbrt x))))))
  (fma (- (sqrt (cbrt x))) (sqrt (* (cbrt x) (cbrt x))) (* (sqrt (cbrt x)) (sqrt (* (cbrt x) (cbrt x)))))
  (fma (* (cbrt (sqrt (+ x 1.0))) (cbrt (sqrt (+ x 1.0)))) (cbrt (sqrt (+ x 1.0))) (- (* (sqrt (sqrt x)) (sqrt (sqrt x)))))
  (fma (- (sqrt (sqrt x))) (sqrt (sqrt x)) (* (sqrt (sqrt x)) (sqrt (sqrt x))))
  (fma (* (cbrt (sqrt (+ x 1.0))) (cbrt (sqrt (+ x 1.0)))) (cbrt (sqrt (+ x 1.0))) (- (* (sqrt x) (sqrt 1))))
  (fma (- (sqrt x)) (sqrt 1) (* (sqrt x) (sqrt 1)))
  (fma (* (cbrt (sqrt (+ x 1.0))) (cbrt (sqrt (+ x 1.0)))) (cbrt (sqrt (+ x 1.0))) (- (* (sqrt (sqrt x)) (sqrt (sqrt x)))))
  (fma (- (sqrt (sqrt x))) (sqrt (sqrt x)) (* (sqrt (sqrt x)) (sqrt (sqrt x))))
  (fma (* (cbrt (sqrt (+ x 1.0))) (cbrt (sqrt (+ x 1.0)))) (cbrt (sqrt (+ x 1.0))) (- (* (sqrt x) 1)))
  (fma (- (sqrt x)) 1 (* (sqrt x) 1))
  (fma (sqrt (* (cbrt (+ x 1.0)) (cbrt (+ x 1.0)))) (sqrt (cbrt (+ x 1.0))) (- (* (cbrt (sqrt x)) (* (cbrt (sqrt x)) (cbrt (sqrt x))))))
  (fma (- (cbrt (sqrt x))) (* (cbrt (sqrt x)) (cbrt (sqrt x))) (* (cbrt (sqrt x)) (* (cbrt (sqrt x)) (cbrt (sqrt x)))))
  (fma (sqrt (* (cbrt (+ x 1.0)) (cbrt (+ x 1.0)))) (sqrt (cbrt (+ x 1.0))) (- (* (sqrt (cbrt x)) (sqrt (* (cbrt x) (cbrt x))))))
  (fma (- (sqrt (cbrt x))) (sqrt (* (cbrt x) (cbrt x))) (* (sqrt (cbrt x)) (sqrt (* (cbrt x) (cbrt x)))))
  (fma (sqrt (* (cbrt (+ x 1.0)) (cbrt (+ x 1.0)))) (sqrt (cbrt (+ x 1.0))) (- (* (sqrt (sqrt x)) (sqrt (sqrt x)))))
  (fma (- (sqrt (sqrt x))) (sqrt (sqrt x)) (* (sqrt (sqrt x)) (sqrt (sqrt x))))
  (fma (sqrt (* (cbrt (+ x 1.0)) (cbrt (+ x 1.0)))) (sqrt (cbrt (+ x 1.0))) (- (* (sqrt x) (sqrt 1))))
  (fma (- (sqrt x)) (sqrt 1) (* (sqrt x) (sqrt 1)))
  (fma (sqrt (* (cbrt (+ x 1.0)) (cbrt (+ x 1.0)))) (sqrt (cbrt (+ x 1.0))) (- (* (sqrt (sqrt x)) (sqrt (sqrt x)))))
  (fma (- (sqrt (sqrt x))) (sqrt (sqrt x)) (* (sqrt (sqrt x)) (sqrt (sqrt x))))
  (fma (sqrt (* (cbrt (+ x 1.0)) (cbrt (+ x 1.0)))) (sqrt (cbrt (+ x 1.0))) (- (* (sqrt x) 1)))
  (fma (- (sqrt x)) 1 (* (sqrt x) 1))
  (fma (sqrt (sqrt (+ x 1.0))) (sqrt (sqrt (+ x 1.0))) (- (* (cbrt (sqrt x)) (* (cbrt (sqrt x)) (cbrt (sqrt x))))))
  (fma (- (cbrt (sqrt x))) (* (cbrt (sqrt x)) (cbrt (sqrt x))) (* (cbrt (sqrt x)) (* (cbrt (sqrt x)) (cbrt (sqrt x)))))
  (fma (sqrt (sqrt (+ x 1.0))) (sqrt (sqrt (+ x 1.0))) (- (* (sqrt (cbrt x)) (sqrt (* (cbrt x) (cbrt x))))))
  (fma (- (sqrt (cbrt x))) (sqrt (* (cbrt x) (cbrt x))) (* (sqrt (cbrt x)) (sqrt (* (cbrt x) (cbrt x)))))
  (fma (sqrt (sqrt (+ x 1.0))) (sqrt (sqrt (+ x 1.0))) (- (* (sqrt (sqrt x)) (sqrt (sqrt x)))))
  (fma (- (sqrt (sqrt x))) (sqrt (sqrt x)) (* (sqrt (sqrt x)) (sqrt (sqrt x))))
  (fma (sqrt (sqrt (+ x 1.0))) (sqrt (sqrt (+ x 1.0))) (- (* (sqrt x) (sqrt 1))))
  (fma (- (sqrt x)) (sqrt 1) (* (sqrt x) (sqrt 1)))
  (fma (sqrt (sqrt (+ x 1.0))) (sqrt (sqrt (+ x 1.0))) (- (* (sqrt (sqrt x)) (sqrt (sqrt x)))))
  (fma (- (sqrt (sqrt x))) (sqrt (sqrt x)) (* (sqrt (sqrt x)) (sqrt (sqrt x))))
  (fma (sqrt (sqrt (+ x 1.0))) (sqrt (sqrt (+ x 1.0))) (- (* (sqrt x) 1)))
  (fma (- (sqrt x)) 1 (* (sqrt x) 1))
  (fma (sqrt 1) (sqrt (+ x 1.0)) (- (* (cbrt (sqrt x)) (* (cbrt (sqrt x)) (cbrt (sqrt x))))))
  (fma (- (cbrt (sqrt x))) (* (cbrt (sqrt x)) (cbrt (sqrt x))) (* (cbrt (sqrt x)) (* (cbrt (sqrt x)) (cbrt (sqrt x)))))
  (fma (sqrt 1) (sqrt (+ x 1.0)) (- (* (sqrt (cbrt x)) (sqrt (* (cbrt x) (cbrt x))))))
  (fma (- (sqrt (cbrt x))) (sqrt (* (cbrt x) (cbrt x))) (* (sqrt (cbrt x)) (sqrt (* (cbrt x) (cbrt x)))))
  (fma (sqrt 1) (sqrt (+ x 1.0)) (- (* (sqrt (sqrt x)) (sqrt (sqrt x)))))
  (fma (- (sqrt (sqrt x))) (sqrt (sqrt x)) (* (sqrt (sqrt x)) (sqrt (sqrt x))))
  (fma (sqrt 1) (sqrt (+ x 1.0)) (- (* (sqrt x) (sqrt 1))))
  (fma (- (sqrt x)) (sqrt 1) (* (sqrt x) (sqrt 1)))
  (fma (sqrt 1) (sqrt (+ x 1.0)) (- (* (sqrt (sqrt x)) (sqrt (sqrt x)))))
  (fma (- (sqrt (sqrt x))) (sqrt (sqrt x)) (* (sqrt (sqrt x)) (sqrt (sqrt x))))
  (fma (sqrt 1) (sqrt (+ x 1.0)) (- (* (sqrt x) 1)))
  (fma (- (sqrt x)) 1 (* (sqrt x) 1))
  (fma (sqrt 1) (sqrt (+ x 1.0)) (- (* (cbrt (sqrt x)) (* (cbrt (sqrt x)) (cbrt (sqrt x))))))
  (fma (- (cbrt (sqrt x))) (* (cbrt (sqrt x)) (cbrt (sqrt x))) (* (cbrt (sqrt x)) (* (cbrt (sqrt x)) (cbrt (sqrt x)))))
  (fma (sqrt 1) (sqrt (+ x 1.0)) (- (* (sqrt (cbrt x)) (sqrt (* (cbrt x) (cbrt x))))))
  (fma (- (sqrt (cbrt x))) (sqrt (* (cbrt x) (cbrt x))) (* (sqrt (cbrt x)) (sqrt (* (cbrt x) (cbrt x)))))
  (fma (sqrt 1) (sqrt (+ x 1.0)) (- (* (sqrt (sqrt x)) (sqrt (sqrt x)))))
  (fma (- (sqrt (sqrt x))) (sqrt (sqrt x)) (* (sqrt (sqrt x)) (sqrt (sqrt x))))
  (fma (sqrt 1) (sqrt (+ x 1.0)) (- (* (sqrt x) (sqrt 1))))
  (fma (- (sqrt x)) (sqrt 1) (* (sqrt x) (sqrt 1)))
  (fma (sqrt 1) (sqrt (+ x 1.0)) (- (* (sqrt (sqrt x)) (sqrt (sqrt x)))))
  (fma (- (sqrt (sqrt x))) (sqrt (sqrt x)) (* (sqrt (sqrt x)) (sqrt (sqrt x))))
  (fma (sqrt 1) (sqrt (+ x 1.0)) (- (* (sqrt x) 1)))
  (fma (- (sqrt x)) 1 (* (sqrt x) 1))
  (fma (sqrt (sqrt (+ x 1.0))) (sqrt (sqrt (+ x 1.0))) (- (* (cbrt (sqrt x)) (* (cbrt (sqrt x)) (cbrt (sqrt x))))))
  (fma (- (cbrt (sqrt x))) (* (cbrt (sqrt x)) (cbrt (sqrt x))) (* (cbrt (sqrt x)) (* (cbrt (sqrt x)) (cbrt (sqrt x)))))
  (fma (sqrt (sqrt (+ x 1.0))) (sqrt (sqrt (+ x 1.0))) (- (* (sqrt (cbrt x)) (sqrt (* (cbrt x) (cbrt x))))))
  (fma (- (sqrt (cbrt x))) (sqrt (* (cbrt x) (cbrt x))) (* (sqrt (cbrt x)) (sqrt (* (cbrt x) (cbrt x)))))
  (fma (sqrt (sqrt (+ x 1.0))) (sqrt (sqrt (+ x 1.0))) (- (* (sqrt (sqrt x)) (sqrt (sqrt x)))))
  (fma (- (sqrt (sqrt x))) (sqrt (sqrt x)) (* (sqrt (sqrt x)) (sqrt (sqrt x))))
  (fma (sqrt (sqrt (+ x 1.0))) (sqrt (sqrt (+ x 1.0))) (- (* (sqrt x) (sqrt 1))))
  (fma (- (sqrt x)) (sqrt 1) (* (sqrt x) (sqrt 1)))
  (fma (sqrt (sqrt (+ x 1.0))) (sqrt (sqrt (+ x 1.0))) (- (* (sqrt (sqrt x)) (sqrt (sqrt x)))))
  (fma (- (sqrt (sqrt x))) (sqrt (sqrt x)) (* (sqrt (sqrt x)) (sqrt (sqrt x))))
  (fma (sqrt (sqrt (+ x 1.0))) (sqrt (sqrt (+ x 1.0))) (- (* (sqrt x) 1)))
  (fma (- (sqrt x)) 1 (* (sqrt x) 1))
  (fma 1 (sqrt (+ x 1.0)) (- (* (cbrt (sqrt x)) (* (cbrt (sqrt x)) (cbrt (sqrt x))))))
  (fma (- (cbrt (sqrt x))) (* (cbrt (sqrt x)) (cbrt (sqrt x))) (* (cbrt (sqrt x)) (* (cbrt (sqrt x)) (cbrt (sqrt x)))))
  (fma 1 (sqrt (+ x 1.0)) (- (* (sqrt (cbrt x)) (sqrt (* (cbrt x) (cbrt x))))))
  (fma (- (sqrt (cbrt x))) (sqrt (* (cbrt x) (cbrt x))) (* (sqrt (cbrt x)) (sqrt (* (cbrt x) (cbrt x)))))
  (fma 1 (sqrt (+ x 1.0)) (- (* (sqrt (sqrt x)) (sqrt (sqrt x)))))
  (fma (- (sqrt (sqrt x))) (sqrt (sqrt x)) (* (sqrt (sqrt x)) (sqrt (sqrt x))))
  (fma 1 (sqrt (+ x 1.0)) (- (* (sqrt x) (sqrt 1))))
  (fma (- (sqrt x)) (sqrt 1) (* (sqrt x) (sqrt 1)))
  (fma 1 (sqrt (+ x 1.0)) (- (* (sqrt (sqrt x)) (sqrt (sqrt x)))))
  (fma (- (sqrt (sqrt x))) (sqrt (sqrt x)) (* (sqrt (sqrt x)) (sqrt (sqrt x))))
  (fma 1 (sqrt (+ x 1.0)) (- (* (sqrt x) 1)))
  (fma (- (sqrt x)) 1 (* (sqrt x) 1))
  (expm1 (- (sqrt (+ x 1.0)) (sqrt x)))
  (log1p (- (sqrt (+ x 1.0)) (sqrt x)))
  (- (sqrt x))
  (- (sqrt x))
  (- (sqrt x))
  (- (sqrt x))
  (- (sqrt x))
  (- (sqrt x))
  (- (sqrt x))
  (/ (exp (sqrt (+ x 1.0))) (exp (sqrt x)))
  (log (- (sqrt (+ x 1.0)) (sqrt x)))
  (exp (- (sqrt (+ x 1.0)) (sqrt x)))
  (* (cbrt (- (sqrt (+ x 1.0)) (sqrt x))) (cbrt (- (sqrt (+ x 1.0)) (sqrt x))))
  (cbrt (- (sqrt (+ x 1.0)) (sqrt x)))
  (* (* (- (sqrt (+ x 1.0)) (sqrt x)) (- (sqrt (+ x 1.0)) (sqrt x))) (- (sqrt (+ x 1.0)) (sqrt x)))
  (sqrt (- (sqrt (+ x 1.0)) (sqrt x)))
  (sqrt (- (sqrt (+ x 1.0)) (sqrt x)))
  (- (pow (sqrt (+ x 1.0)) 3) (pow (sqrt x) 3))
  (+ (* (sqrt (+ x 1.0)) (sqrt (+ x 1.0))) (+ (* (sqrt x) (sqrt x)) (* (sqrt (+ x 1.0)) (sqrt x))))
  (- (sqrt x))
  (- (* (sqrt (+ x 1.0)) (sqrt (+ x 1.0))) (* (sqrt x) (sqrt x)))
  (+ (sqrt (+ x 1.0)) (sqrt x))
  (+ (sqrt (sqrt (+ x 1.0))) (sqrt (sqrt x)))
  (- (sqrt (sqrt (+ x 1.0))) (sqrt (sqrt x)))
  (+ (sqrt (sqrt (+ x 1.0))) (sqrt (sqrt x)))
  (- (sqrt (sqrt (+ x 1.0))) (sqrt (sqrt x)))
  (+ (sqrt (sqrt (+ x 1.0))) (sqrt (sqrt x)))
  (- (sqrt (sqrt (+ x 1.0))) (sqrt (sqrt x)))
  (+ (sqrt (sqrt (+ x 1.0))) (sqrt (sqrt x)))
  (- (sqrt (sqrt (+ x 1.0))) (sqrt (sqrt x)))
  (- (sqrt (+ x 1.0)) (sqrt x))
  (- (sqrt (+ x 1.0)) (sqrt x))
  (- (sqrt (+ x 1.0)) (sqrt x))
  (- (sqrt x))
  (expm1 (sqrt (+ x 1.0)))
  (log1p (sqrt (+ x 1.0)))
  (log (sqrt (+ x 1.0)))
  (exp (sqrt (+ x 1.0)))
  (* (cbrt (sqrt (+ x 1.0))) (cbrt (sqrt (+ x 1.0))))
  (cbrt (sqrt (+ x 1.0)))
  (* (* (sqrt (+ x 1.0)) (sqrt (+ x 1.0))) (sqrt (+ x 1.0)))
  (sqrt (* (cbrt (+ x 1.0)) (cbrt (+ x 1.0))))
  (sqrt (cbrt (+ x 1.0)))
  (sqrt (sqrt (+ x 1.0)))
  (sqrt (sqrt (+ x 1.0)))
  (sqrt 1)
  (sqrt (+ x 1.0))
  (sqrt 1)
  (sqrt (+ x 1.0))
  (sqrt (+ (pow x 3) (pow 1.0 3)))
  (sqrt (+ (* x x) (- (* 1.0 1.0) (* x 1.0))))
  (sqrt (- (* x x) (* 1.0 1.0)))
  (sqrt (- x 1.0))
  (/ 1 2)
  (sqrt (sqrt (+ x 1.0)))
  (sqrt (sqrt (+ x 1.0)))
  (- (+ (sqrt 1.0) (* 1/2 (/ x (sqrt 1.0)))) (+ (* +nan.0 (pow x 2)) (- (* 1/8 (/ (pow x 2) (pow (sqrt 1.0) 3))) (* +nan.0 x))))
  (- (+ (* +nan.0 (/ 1 (pow x 2))) (- (+ (* +nan.0 (/ 1 x)) (- +nan.0)))))
  (- (+ (* +nan.0 (/ 1 (pow x 2))) (- (+ (* +nan.0 (/ 1 x)) (- +nan.0)))))
  (- (+ (sqrt 1.0) (* 1/2 (/ x (sqrt 1.0)))) (* 1/8 (/ (pow x 2) (pow (sqrt 1.0) 3))))
  (- (+ (* +nan.0 (/ 1 (pow x 2))) (- (+ (* +nan.0 (/ 1 x)) (- +nan.0)))))
  (- (+ (* +nan.0 (/ 1 (pow x 2))) (- (+ (* +nan.0 (/ 1 x)) (- +nan.0)))))
0.195 * * [simplify]: iteration  0 :  137  enodes  (cost  1993 )