0.496 * [progress]: [Phase 1 of 3] Setting up.
0.002 * * * [progress]: [1/2] Preparing points
0.037 * * * [progress]: [2/2] Setting up program.
0.042 * [progress]: [Phase 2 of 3] Improving.
0.044 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (* 2.0 (atan (sqrt (/ (- 1.0 x) (+ 1.0 x)))))
0.047 * * [simplify]: iteration  0 :  9  enodes  (cost  11 )
0.051 * * [simplify]: iteration  1 :  16  enodes  (cost  11 )
0.052 * * [simplify]: iteration  2 :  19  enodes  (cost  11 )
0.054 * * [simplify]: iteration  3 :  21  enodes  (cost  11 )
0.056 * * [simplify]: iteration  done :  21  enodes  (cost  11 )
0.057 * [simplify]: Simplified to:
   (* 2.0 (atan (sqrt (/ (- 1.0 x) (+ 1.0 x)))))
0.058 * * [progress]: iteration 1 / 4
0.059 * * * [progress]: picking best candidate
0.061 * * * * [pick]: Picked  #<alt (λ (x) (* 2.0 (atan (sqrt (/ (- 1.0 x) (+ 1.0 x))))))>
0.061 * * * [progress]: localizing error
0.073 * * * [progress]: generating rewritten candidates
0.073 * * * * [progress]: [ 1 / 3 ] rewriting at (2 2 1 1)
0.084 * * * * [progress]: [ 2 / 3 ] rewriting at (2 2 1)
0.093 * * * * [progress]: [ 3 / 3 ] rewriting at (2 2)
0.106 * * * [progress]: generating series expansions
0.106 * * * * [progress]: [ 1 / 3 ] generating series at (2 2 1 1)
0.112 * [approximate]: Taking taylor expansion of (/ (- 1.0 x) (+ x 1.0)) in (x) around 0
0.113 * [taylor]: Taking taylor expansion of (/ (- 1.0 x) (+ x 1.0)) in x
0.113 * [taylor]: Taking taylor expansion of (- 1.0 x) in x
0.113 * [taylor]: Taking taylor expansion of 1.0 in x
0.113 * [taylor]: Taking taylor expansion of x in x
0.113 * [taylor]: Taking taylor expansion of (+ x 1.0) in x
0.113 * [taylor]: Taking taylor expansion of x in x
0.113 * [taylor]: Taking taylor expansion of 1.0 in x
0.114 * [taylor]: Taking taylor expansion of (/ (- 1.0 x) (+ x 1.0)) in x
0.114 * [taylor]: Taking taylor expansion of (- 1.0 x) in x
0.114 * [taylor]: Taking taylor expansion of 1.0 in x
0.114 * [taylor]: Taking taylor expansion of x in x
0.114 * [taylor]: Taking taylor expansion of (+ x 1.0) in x
0.114 * [taylor]: Taking taylor expansion of x in x
0.114 * [taylor]: Taking taylor expansion of 1.0 in x
0.115 * [approximate]: Taking taylor expansion of (/ (- 1.0 (/ 1 x)) (+ (/ 1 x) 1.0)) in (x) around 0
0.116 * [taylor]: Taking taylor expansion of (/ (- 1.0 (/ 1 x)) (+ (/ 1 x) 1.0)) in x
0.116 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 x)) in x
0.116 * [taylor]: Taking taylor expansion of 1.0 in x
0.116 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.116 * [taylor]: Taking taylor expansion of x in x
0.116 * [taylor]: Taking taylor expansion of (+ (/ 1 x) 1.0) in x
0.116 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.116 * [taylor]: Taking taylor expansion of x in x
0.116 * [taylor]: Taking taylor expansion of 1.0 in x
0.116 * [taylor]: Taking taylor expansion of (/ (- 1.0 (/ 1 x)) (+ (/ 1 x) 1.0)) in x
0.116 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 x)) in x
0.116 * [taylor]: Taking taylor expansion of 1.0 in x
0.116 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.116 * [taylor]: Taking taylor expansion of x in x
0.116 * [taylor]: Taking taylor expansion of (+ (/ 1 x) 1.0) in x
0.116 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.116 * [taylor]: Taking taylor expansion of x in x
0.116 * [taylor]: Taking taylor expansion of 1.0 in x
0.117 * [approximate]: Taking taylor expansion of (/ (+ (/ 1 x) 1.0) (- 1.0 (/ 1 x))) in (x) around 0
0.117 * [taylor]: Taking taylor expansion of (/ (+ (/ 1 x) 1.0) (- 1.0 (/ 1 x))) in x
0.117 * [taylor]: Taking taylor expansion of (+ (/ 1 x) 1.0) in x
0.117 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.117 * [taylor]: Taking taylor expansion of x in x
0.117 * [taylor]: Taking taylor expansion of 1.0 in x
0.117 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 x)) in x
0.117 * [taylor]: Taking taylor expansion of 1.0 in x
0.117 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.117 * [taylor]: Taking taylor expansion of x in x
0.117 * [taylor]: Taking taylor expansion of (/ (+ (/ 1 x) 1.0) (- 1.0 (/ 1 x))) in x
0.117 * [taylor]: Taking taylor expansion of (+ (/ 1 x) 1.0) in x
0.117 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.117 * [taylor]: Taking taylor expansion of x in x
0.117 * [taylor]: Taking taylor expansion of 1.0 in x
0.117 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 x)) in x
0.117 * [taylor]: Taking taylor expansion of 1.0 in x
0.117 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.117 * [taylor]: Taking taylor expansion of x in x
0.118 * * * * [progress]: [ 2 / 3 ] generating series at (2 2 1)
0.118 * [approximate]: Taking taylor expansion of (sqrt (/ (- 1.0 x) (+ x 1.0))) in (x) around 0
0.118 * [taylor]: Taking taylor expansion of (sqrt (/ (- 1.0 x) (+ x 1.0))) in x
0.118 * [taylor]: Taking taylor expansion of (/ (- 1.0 x) (+ x 1.0)) in x
0.118 * [taylor]: Taking taylor expansion of (- 1.0 x) in x
0.118 * [taylor]: Taking taylor expansion of 1.0 in x
0.118 * [taylor]: Taking taylor expansion of x in x
0.118 * [taylor]: Taking taylor expansion of (+ x 1.0) in x
0.118 * [taylor]: Taking taylor expansion of x in x
0.118 * [taylor]: Taking taylor expansion of 1.0 in x
0.118 * [taylor]: Taking taylor expansion of (sqrt (/ (- 1.0 x) (+ x 1.0))) in x
0.118 * [taylor]: Taking taylor expansion of (/ (- 1.0 x) (+ x 1.0)) in x
0.119 * [taylor]: Taking taylor expansion of (- 1.0 x) in x
0.119 * [taylor]: Taking taylor expansion of 1.0 in x
0.119 * [taylor]: Taking taylor expansion of x in x
0.119 * [taylor]: Taking taylor expansion of (+ x 1.0) in x
0.119 * [taylor]: Taking taylor expansion of x in x
0.119 * [taylor]: Taking taylor expansion of 1.0 in x
0.120 * [approximate]: Taking taylor expansion of (sqrt (/ (- 1.0 (/ 1 x)) (+ (/ 1 x) 1.0))) in (x) around 0
0.120 * [taylor]: Taking taylor expansion of (sqrt (/ (- 1.0 (/ 1 x)) (+ (/ 1 x) 1.0))) in x
0.120 * [taylor]: Taking taylor expansion of (/ (- 1.0 (/ 1 x)) (+ (/ 1 x) 1.0)) in x
0.120 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 x)) in x
0.120 * [taylor]: Taking taylor expansion of 1.0 in x
0.120 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.120 * [taylor]: Taking taylor expansion of x in x
0.120 * [taylor]: Taking taylor expansion of (+ (/ 1 x) 1.0) in x
0.120 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.120 * [taylor]: Taking taylor expansion of x in x
0.120 * [taylor]: Taking taylor expansion of 1.0 in x
0.120 * [taylor]: Taking taylor expansion of (sqrt (/ (- 1.0 (/ 1 x)) (+ (/ 1 x) 1.0))) in x
0.120 * [taylor]: Taking taylor expansion of (/ (- 1.0 (/ 1 x)) (+ (/ 1 x) 1.0)) in x
0.120 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 x)) in x
0.120 * [taylor]: Taking taylor expansion of 1.0 in x
0.120 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.120 * [taylor]: Taking taylor expansion of x in x
0.121 * [taylor]: Taking taylor expansion of (+ (/ 1 x) 1.0) in x
0.121 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.121 * [taylor]: Taking taylor expansion of x in x
0.121 * [taylor]: Taking taylor expansion of 1.0 in x
0.122 * [approximate]: Taking taylor expansion of (sqrt (/ (+ (/ 1 x) 1.0) (- 1.0 (/ 1 x)))) in (x) around 0
0.122 * [taylor]: Taking taylor expansion of (sqrt (/ (+ (/ 1 x) 1.0) (- 1.0 (/ 1 x)))) in x
0.122 * [taylor]: Taking taylor expansion of (/ (+ (/ 1 x) 1.0) (- 1.0 (/ 1 x))) in x
0.122 * [taylor]: Taking taylor expansion of (+ (/ 1 x) 1.0) in x
0.122 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.122 * [taylor]: Taking taylor expansion of x in x
0.122 * [taylor]: Taking taylor expansion of 1.0 in x
0.122 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 x)) in x
0.122 * [taylor]: Taking taylor expansion of 1.0 in x
0.122 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.122 * [taylor]: Taking taylor expansion of x in x
0.122 * [taylor]: Taking taylor expansion of (sqrt (/ (+ (/ 1 x) 1.0) (- 1.0 (/ 1 x)))) in x
0.122 * [taylor]: Taking taylor expansion of (/ (+ (/ 1 x) 1.0) (- 1.0 (/ 1 x))) in x
0.122 * [taylor]: Taking taylor expansion of (+ (/ 1 x) 1.0) in x
0.122 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.122 * [taylor]: Taking taylor expansion of x in x
0.122 * [taylor]: Taking taylor expansion of 1.0 in x
0.122 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 x)) in x
0.122 * [taylor]: Taking taylor expansion of 1.0 in x
0.122 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.122 * [taylor]: Taking taylor expansion of x in x
0.123 * * * * [progress]: [ 3 / 3 ] generating series at (2 2)
0.123 * [approximate]: Taking taylor expansion of (atan (sqrt (/ (- 1.0 x) (+ x 1.0)))) in (x) around 0
0.123 * [taylor]: Taking taylor expansion of (atan (sqrt (/ (- 1.0 x) (+ x 1.0)))) in x
0.125 * [taylor]: Taking taylor expansion of (atan (sqrt (/ (- 1.0 x) (+ x 1.0)))) in x
0.125 * [approximate]: Taking taylor expansion of (atan (sqrt (/ (- 1.0 (/ 1 x)) (+ (/ 1 x) 1.0)))) in (x) around 0
0.125 * [taylor]: Taking taylor expansion of (atan (sqrt (/ (- 1.0 (/ 1 x)) (+ (/ 1 x) 1.0)))) in x
0.125 * [taylor]: Taking taylor expansion of (atan (sqrt (/ (- 1.0 (/ 1 x)) (+ (/ 1 x) 1.0)))) in x
0.126 * [approximate]: Taking taylor expansion of (atan (sqrt (/ (+ (/ 1 x) 1.0) (- 1.0 (/ 1 x))))) in (x) around 0
0.126 * [taylor]: Taking taylor expansion of (atan (sqrt (/ (+ (/ 1 x) 1.0) (- 1.0 (/ 1 x))))) in x
0.126 * [taylor]: Taking taylor expansion of (atan (sqrt (/ (+ (/ 1 x) 1.0) (- 1.0 (/ 1 x))))) in x
0.126 * * * [progress]: simplifying candidates
0.128 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (- (log (- 1.0 x)) (log (+ 1.0 x)))
  (log (/ (- 1.0 x) (+ 1.0 x)))
  (exp (/ (- 1.0 x) (+ 1.0 x)))
  (/ (* (* (- 1.0 x) (- 1.0 x)) (- 1.0 x)) (* (* (+ 1.0 x) (+ 1.0 x)) (+ 1.0 x)))
  (* (cbrt (/ (- 1.0 x) (+ 1.0 x))) (cbrt (/ (- 1.0 x) (+ 1.0 x))))
  (cbrt (/ (- 1.0 x) (+ 1.0 x)))
  (* (* (/ (- 1.0 x) (+ 1.0 x)) (/ (- 1.0 x) (+ 1.0 x))) (/ (- 1.0 x) (+ 1.0 x)))
  (sqrt (/ (- 1.0 x) (+ 1.0 x)))
  (sqrt (/ (- 1.0 x) (+ 1.0 x)))
  (neg (- 1.0 x))
  (neg (+ 1.0 x))
  (/ 1.0 (+ 1.0 x))
  (/ x (+ 1.0 x))
  (/ (* (cbrt (- 1.0 x)) (cbrt (- 1.0 x))) (* (cbrt (+ 1.0 x)) (cbrt (+ 1.0 x))))
  (/ (cbrt (- 1.0 x)) (cbrt (+ 1.0 x)))
  (/ (* (cbrt (- 1.0 x)) (cbrt (- 1.0 x))) (sqrt (+ 1.0 x)))
  (/ (cbrt (- 1.0 x)) (sqrt (+ 1.0 x)))
  (/ (* (cbrt (- 1.0 x)) (cbrt (- 1.0 x))) 1)
  (/ (cbrt (- 1.0 x)) (+ 1.0 x))
  (/ (* (cbrt (- 1.0 x)) (cbrt (- 1.0 x))) 1)
  (/ (cbrt (- 1.0 x)) (+ 1.0 x))
  (/ (sqrt (- 1.0 x)) (* (cbrt (+ 1.0 x)) (cbrt (+ 1.0 x))))
  (/ (sqrt (- 1.0 x)) (cbrt (+ 1.0 x)))
  (/ (sqrt (- 1.0 x)) (sqrt (+ 1.0 x)))
  (/ (sqrt (- 1.0 x)) (sqrt (+ 1.0 x)))
  (/ (sqrt (- 1.0 x)) 1)
  (/ (sqrt (- 1.0 x)) (+ 1.0 x))
  (/ (sqrt (- 1.0 x)) 1)
  (/ (sqrt (- 1.0 x)) (+ 1.0 x))
  (/ 1 (* (cbrt (+ 1.0 x)) (cbrt (+ 1.0 x))))
  (/ (- 1.0 x) (cbrt (+ 1.0 x)))
  (/ 1 (sqrt (+ 1.0 x)))
  (/ (- 1.0 x) (sqrt (+ 1.0 x)))
  (/ 1 1)
  (/ (- 1.0 x) (+ 1.0 x))
  (/ 1 1)
  (/ (- 1.0 x) (+ 1.0 x))
  (/ (+ (sqrt 1.0) (sqrt x)) (* (cbrt (+ 1.0 x)) (cbrt (+ 1.0 x))))
  (/ (- (sqrt 1.0) (sqrt x)) (cbrt (+ 1.0 x)))
  (/ (+ (sqrt 1.0) (sqrt x)) (sqrt (+ 1.0 x)))
  (/ (- (sqrt 1.0) (sqrt x)) (sqrt (+ 1.0 x)))
  (/ (+ (sqrt 1.0) (sqrt x)) 1)
  (/ (- (sqrt 1.0) (sqrt x)) (+ 1.0 x))
  (/ (+ (sqrt 1.0) (sqrt x)) 1)
  (/ (- (sqrt 1.0) (sqrt x)) (+ 1.0 x))
  (/ 1 (* (cbrt (+ 1.0 x)) (cbrt (+ 1.0 x))))
  (/ (- 1.0 x) (cbrt (+ 1.0 x)))
  (/ 1 (sqrt (+ 1.0 x)))
  (/ (- 1.0 x) (sqrt (+ 1.0 x)))
  (/ 1 1)
  (/ (- 1.0 x) (+ 1.0 x))
  (/ 1 1)
  (/ (- 1.0 x) (+ 1.0 x))
  (/ 1 (+ 1.0 x))
  (/ (+ 1.0 x) (- 1.0 x))
  (/ (- 1.0 x) (* (cbrt (+ 1.0 x)) (cbrt (+ 1.0 x))))
  (/ (- 1.0 x) (sqrt (+ 1.0 x)))
  (/ (- 1.0 x) 1)
  (/ (- 1.0 x) 1)
  (/ (+ 1.0 x) (cbrt (- 1.0 x)))
  (/ (+ 1.0 x) (sqrt (- 1.0 x)))
  (/ (+ 1.0 x) (- 1.0 x))
  (/ (+ 1.0 x) (- (sqrt 1.0) (sqrt x)))
  (/ (+ 1.0 x) (- 1.0 x))
  (/ (- 1.0 x) (+ (pow 1.0 3) (pow x 3)))
  (/ (- 1.0 x) (- (* 1.0 1.0) (* x x)))
  (* (+ 1.0 x) (+ (* 1.0 1.0) (+ (* x x) (* 1.0 x))))
  (* (+ 1.0 x) (+ 1.0 x))
  (log (sqrt (/ (- 1.0 x) (+ 1.0 x))))
  (exp (sqrt (/ (- 1.0 x) (+ 1.0 x))))
  (* (cbrt (sqrt (/ (- 1.0 x) (+ 1.0 x)))) (cbrt (sqrt (/ (- 1.0 x) (+ 1.0 x)))))
  (cbrt (sqrt (/ (- 1.0 x) (+ 1.0 x))))
  (* (* (sqrt (/ (- 1.0 x) (+ 1.0 x))) (sqrt (/ (- 1.0 x) (+ 1.0 x)))) (sqrt (/ (- 1.0 x) (+ 1.0 x))))
  (sqrt (* (cbrt (/ (- 1.0 x) (+ 1.0 x))) (cbrt (/ (- 1.0 x) (+ 1.0 x)))))
  (sqrt (cbrt (/ (- 1.0 x) (+ 1.0 x))))
  (sqrt (sqrt (/ (- 1.0 x) (+ 1.0 x))))
  (sqrt (sqrt (/ (- 1.0 x) (+ 1.0 x))))
  (sqrt (/ (* (cbrt (- 1.0 x)) (cbrt (- 1.0 x))) (* (cbrt (+ 1.0 x)) (cbrt (+ 1.0 x)))))
  (sqrt (/ (cbrt (- 1.0 x)) (cbrt (+ 1.0 x))))
  (sqrt (/ (* (cbrt (- 1.0 x)) (cbrt (- 1.0 x))) (sqrt (+ 1.0 x))))
  (sqrt (/ (cbrt (- 1.0 x)) (sqrt (+ 1.0 x))))
  (sqrt (/ (* (cbrt (- 1.0 x)) (cbrt (- 1.0 x))) 1))
  (sqrt (/ (cbrt (- 1.0 x)) (+ 1.0 x)))
  (sqrt (/ (* (cbrt (- 1.0 x)) (cbrt (- 1.0 x))) 1))
  (sqrt (/ (cbrt (- 1.0 x)) (+ 1.0 x)))
  (sqrt (/ (sqrt (- 1.0 x)) (* (cbrt (+ 1.0 x)) (cbrt (+ 1.0 x)))))
  (sqrt (/ (sqrt (- 1.0 x)) (cbrt (+ 1.0 x))))
  (sqrt (/ (sqrt (- 1.0 x)) (sqrt (+ 1.0 x))))
  (sqrt (/ (sqrt (- 1.0 x)) (sqrt (+ 1.0 x))))
  (sqrt (/ (sqrt (- 1.0 x)) 1))
  (sqrt (/ (sqrt (- 1.0 x)) (+ 1.0 x)))
  (sqrt (/ (sqrt (- 1.0 x)) 1))
  (sqrt (/ (sqrt (- 1.0 x)) (+ 1.0 x)))
  (sqrt (/ 1 (* (cbrt (+ 1.0 x)) (cbrt (+ 1.0 x)))))
  (sqrt (/ (- 1.0 x) (cbrt (+ 1.0 x))))
  (sqrt (/ 1 (sqrt (+ 1.0 x))))
  (sqrt (/ (- 1.0 x) (sqrt (+ 1.0 x))))
  (sqrt (/ 1 1))
  (sqrt (/ (- 1.0 x) (+ 1.0 x)))
  (sqrt (/ 1 1))
  (sqrt (/ (- 1.0 x) (+ 1.0 x)))
  (sqrt (/ (+ (sqrt 1.0) (sqrt x)) (* (cbrt (+ 1.0 x)) (cbrt (+ 1.0 x)))))
  (sqrt (/ (- (sqrt 1.0) (sqrt x)) (cbrt (+ 1.0 x))))
  (sqrt (/ (+ (sqrt 1.0) (sqrt x)) (sqrt (+ 1.0 x))))
  (sqrt (/ (- (sqrt 1.0) (sqrt x)) (sqrt (+ 1.0 x))))
  (sqrt (/ (+ (sqrt 1.0) (sqrt x)) 1))
  (sqrt (/ (- (sqrt 1.0) (sqrt x)) (+ 1.0 x)))
  (sqrt (/ (+ (sqrt 1.0) (sqrt x)) 1))
  (sqrt (/ (- (sqrt 1.0) (sqrt x)) (+ 1.0 x)))
  (sqrt (/ 1 (* (cbrt (+ 1.0 x)) (cbrt (+ 1.0 x)))))
  (sqrt (/ (- 1.0 x) (cbrt (+ 1.0 x))))
  (sqrt (/ 1 (sqrt (+ 1.0 x))))
  (sqrt (/ (- 1.0 x) (sqrt (+ 1.0 x))))
  (sqrt (/ 1 1))
  (sqrt (/ (- 1.0 x) (+ 1.0 x)))
  (sqrt (/ 1 1))
  (sqrt (/ (- 1.0 x) (+ 1.0 x)))
  (sqrt 1)
  (sqrt (/ (- 1.0 x) (+ 1.0 x)))
  (sqrt (- 1.0 x))
  (sqrt (/ 1 (+ 1.0 x)))
  (sqrt (/ (- 1.0 x) (+ (pow 1.0 3) (pow x 3))))
  (sqrt (+ (* 1.0 1.0) (- (* x x) (* 1.0 x))))
  (sqrt (/ (- 1.0 x) (- (* 1.0 1.0) (* x x))))
  (sqrt (- 1.0 x))
  (sqrt (- 1.0 x))
  (sqrt (+ 1.0 x))
  (/ 1 2)
  (sqrt (sqrt (/ (- 1.0 x) (+ 1.0 x))))
  (sqrt (sqrt (/ (- 1.0 x) (+ 1.0 x))))
  (log (atan (sqrt (/ (- 1.0 x) (+ 1.0 x)))))
  (exp (atan (sqrt (/ (- 1.0 x) (+ 1.0 x)))))
  (* (cbrt (atan (sqrt (/ (- 1.0 x) (+ 1.0 x))))) (cbrt (atan (sqrt (/ (- 1.0 x) (+ 1.0 x))))))
  (cbrt (atan (sqrt (/ (- 1.0 x) (+ 1.0 x)))))
  (* (* (atan (sqrt (/ (- 1.0 x) (+ 1.0 x)))) (atan (sqrt (/ (- 1.0 x) (+ 1.0 x))))) (atan (sqrt (/ (- 1.0 x) (+ 1.0 x)))))
  (sqrt (atan (sqrt (/ (- 1.0 x) (+ 1.0 x)))))
  (sqrt (atan (sqrt (/ (- 1.0 x) (+ 1.0 x)))))
  (- (+ (* 2.0 (pow x 2)) 1.0) (* 2.0 x))
  (- (* 2.0 (/ 1 x)) (+ (* 2.0 (/ 1 (pow x 2))) 1))
  (- (* 2.0 (/ 1 x)) (+ (* 2.0 (/ 1 (pow x 2))) 1))
  (- (+ (* 1.0 (/ (pow x 2) (sqrt 1.0))) (sqrt 1.0)) (+ (* 0.5 (/ (pow x 2) (pow (sqrt 1.0) 3))) (* 1.0 (/ x (sqrt 1.0)))))
  (- (+ (sqrt -1) (* 1.0 (/ 1 (* (sqrt -1) x)))) (+ (* 0.5 (/ 1 (* (pow (sqrt -1) 3) (pow x 2)))) (* 1.0 (/ 1 (* (sqrt -1) (pow x 2))))))
  (- (+ (sqrt -1) (* 1.0 (/ 1 (* (sqrt -1) x)))) (+ (* 0.5 (/ 1 (* (pow (sqrt -1) 3) (pow x 2)))) (* 1.0 (/ 1 (* (sqrt -1) (pow x 2))))))
  (atan (sqrt (/ (- 1.0 x) (+ x 1.0))))
  (atan (sqrt (/ (- 1.0 x) (+ x 1.0))))
  (atan (sqrt (/ (- 1.0 x) (+ x 1.0))))
0.133 * * [simplify]: iteration  0 :  167  enodes  (cost  1451 )
0.154 * * [simplify]: iteration  1 :  360  enodes  (cost  1377 )
0.217 * * [simplify]: iteration  2 :  946  enodes  (cost  1287 )
0.391 * * [simplify]: iteration  3 :  2545  enodes  (cost  1270 )
0.777 * * [simplify]: iteration  done :  5001  enodes  (cost  1269 )
0.778 * [simplify]: Simplified to:
   (- (log (- 1.0 x)) (log (+ 1.0 x)))
  (log (/ (- 1.0 x) (+ 1.0 x)))
  (exp (/ (- 1.0 x) (+ 1.0 x)))
  (pow (/ (- 1.0 x) (+ x 1.0)) 3)
  (* (cbrt (/ (- 1.0 x) (+ 1.0 x))) (cbrt (/ (- 1.0 x) (+ 1.0 x))))
  (cbrt (/ (- 1.0 x) (+ 1.0 x)))
  (pow (/ (- 1.0 x) (+ x 1.0)) 3)
  (sqrt (/ (- 1.0 x) (+ x 1.0)))
  (sqrt (/ (- 1.0 x) (+ x 1.0)))
  (- x 1.0)
  (neg (+ 1.0 x))
  (/ 1.0 (+ 1.0 x))
  (/ x (+ 1.0 x))
  (/ (* (cbrt (- 1.0 x)) (cbrt (- 1.0 x))) (* (cbrt (+ 1.0 x)) (cbrt (+ 1.0 x))))
  (/ (cbrt (- 1.0 x)) (cbrt (+ 1.0 x)))
  (/ (* (cbrt (- 1.0 x)) (cbrt (- 1.0 x))) (sqrt (+ 1.0 x)))
  (/ (cbrt (- 1.0 x)) (sqrt (+ 1.0 x)))
  (* (cbrt (- 1.0 x)) (cbrt (- 1.0 x)))
  (/ (cbrt (- 1.0 x)) (+ 1.0 x))
  (* (cbrt (- 1.0 x)) (cbrt (- 1.0 x)))
  (/ (cbrt (- 1.0 x)) (+ 1.0 x))
  (/ (sqrt (- 1.0 x)) (* (cbrt (+ 1.0 x)) (cbrt (+ 1.0 x))))
  (/ (sqrt (- 1.0 x)) (cbrt (+ 1.0 x)))
  (/ (sqrt (- 1.0 x)) (sqrt (+ 1.0 x)))
  (/ (sqrt (- 1.0 x)) (sqrt (+ 1.0 x)))
  (sqrt (- 1.0 x))
  (/ (sqrt (- 1.0 x)) (+ 1.0 x))
  (sqrt (- 1.0 x))
  (/ (sqrt (- 1.0 x)) (+ 1.0 x))
  (/ 1 (* (cbrt (+ 1.0 x)) (cbrt (+ 1.0 x))))
  (/ (- 1.0 x) (cbrt (+ 1.0 x)))
  (/ 1 (sqrt (+ 1.0 x)))
  (/ (- 1.0 x) (sqrt (+ 1.0 x)))
  1
  (/ (- 1.0 x) (+ x 1.0))
  1
  (/ (- 1.0 x) (+ x 1.0))
  (/ (+ (sqrt 1.0) (sqrt x)) (* (cbrt (+ 1.0 x)) (cbrt (+ 1.0 x))))
  (/ (- (sqrt 1.0) (sqrt x)) (cbrt (+ 1.0 x)))
  (/ (+ (sqrt 1.0) (sqrt x)) (sqrt (+ 1.0 x)))
  (/ (- (sqrt 1.0) (sqrt x)) (sqrt (+ 1.0 x)))
  (+ (sqrt x) (sqrt 1.0))
  (/ (- (sqrt 1.0) (sqrt x)) (+ 1.0 x))
  (+ (sqrt x) (sqrt 1.0))
  (/ (- (sqrt 1.0) (sqrt x)) (+ 1.0 x))
  (/ 1 (* (cbrt (+ 1.0 x)) (cbrt (+ 1.0 x))))
  (/ (- 1.0 x) (cbrt (+ 1.0 x)))
  (/ 1 (sqrt (+ 1.0 x)))
  (/ (- 1.0 x) (sqrt (+ 1.0 x)))
  1
  (/ (- 1.0 x) (+ x 1.0))
  1
  (/ (- 1.0 x) (+ x 1.0))
  (/ 1 (+ 1.0 x))
  (/ (+ 1.0 x) (- 1.0 x))
  (/ (- 1.0 x) (* (cbrt (+ 1.0 x)) (cbrt (+ 1.0 x))))
  (/ (- 1.0 x) (sqrt (+ 1.0 x)))
  (- 1.0 x)
  (- 1.0 x)
  (/ (+ 1.0 x) (cbrt (- 1.0 x)))
  (/ (+ 1.0 x) (sqrt (- 1.0 x)))
  (/ (+ 1.0 x) (- 1.0 x))
  (/ (+ 1.0 x) (- (sqrt 1.0) (sqrt x)))
  (/ (+ 1.0 x) (- 1.0 x))
  (/ (- 1.0 x) (+ (pow 1.0 3) (pow x 3)))
  (/ (- 1.0 x) (- (* 1.0 1.0) (* x x)))
  (* (+ (* x (+ x 1.0)) (* 1.0 1.0)) (+ 1.0 x))
  (* (+ 1.0 x) (+ 1.0 x))
  (log (sqrt (/ (- 1.0 x) (+ 1.0 x))))
  (exp (sqrt (/ (- 1.0 x) (+ 1.0 x))))
  (* (cbrt (sqrt (/ (- 1.0 x) (+ 1.0 x)))) (cbrt (sqrt (/ (- 1.0 x) (+ 1.0 x)))))
  (cbrt (sqrt (/ (- 1.0 x) (+ 1.0 x))))
  (pow (sqrt (/ (- 1.0 x) (+ x 1.0))) 3)
  (fabs (cbrt (/ (- 1.0 x) (+ 1.0 x))))
  (sqrt (cbrt (/ (- 1.0 x) (+ 1.0 x))))
  (sqrt (sqrt (/ (- 1.0 x) (+ 1.0 x))))
  (sqrt (sqrt (/ (- 1.0 x) (+ 1.0 x))))
  (fabs (/ (cbrt (- 1.0 x)) (cbrt (+ 1.0 x))))
  (sqrt (/ (cbrt (- 1.0 x)) (cbrt (+ 1.0 x))))
  (sqrt (/ (* (cbrt (- 1.0 x)) (cbrt (- 1.0 x))) (sqrt (+ 1.0 x))))
  (sqrt (/ (cbrt (- 1.0 x)) (sqrt (+ 1.0 x))))
  (fabs (cbrt (- 1.0 x)))
  (sqrt (/ (cbrt (- 1.0 x)) (+ 1.0 x)))
  (fabs (cbrt (- 1.0 x)))
  (sqrt (/ (cbrt (- 1.0 x)) (+ 1.0 x)))
  (sqrt (/ (sqrt (- 1.0 x)) (* (cbrt (+ 1.0 x)) (cbrt (+ 1.0 x)))))
  (sqrt (/ (sqrt (- 1.0 x)) (cbrt (+ 1.0 x))))
  (sqrt (/ (sqrt (- 1.0 x)) (sqrt (+ 1.0 x))))
  (sqrt (/ (sqrt (- 1.0 x)) (sqrt (+ 1.0 x))))
  (sqrt (sqrt (- 1.0 x)))
  (sqrt (/ (sqrt (- 1.0 x)) (+ 1.0 x)))
  (sqrt (sqrt (- 1.0 x)))
  (sqrt (/ (sqrt (- 1.0 x)) (+ 1.0 x)))
  (sqrt (/ 1 (* (cbrt (+ 1.0 x)) (cbrt (+ 1.0 x)))))
  (sqrt (/ (- 1.0 x) (cbrt (+ 1.0 x))))
  (sqrt (/ 1 (sqrt (+ 1.0 x))))
  (sqrt (/ (- 1.0 x) (sqrt (+ 1.0 x))))
  1
  (sqrt (/ (- 1.0 x) (+ x 1.0)))
  1
  (sqrt (/ (- 1.0 x) (+ x 1.0)))
  (sqrt (/ (+ (sqrt 1.0) (sqrt x)) (* (cbrt (+ 1.0 x)) (cbrt (+ 1.0 x)))))
  (sqrt (/ (- (sqrt 1.0) (sqrt x)) (cbrt (+ 1.0 x))))
  (sqrt (/ (+ (sqrt 1.0) (sqrt x)) (sqrt (+ 1.0 x))))
  (sqrt (/ (- (sqrt 1.0) (sqrt x)) (sqrt (+ 1.0 x))))
  (sqrt (+ (sqrt 1.0) (sqrt x)))
  (sqrt (/ (- (sqrt 1.0) (sqrt x)) (+ 1.0 x)))
  (sqrt (+ (sqrt 1.0) (sqrt x)))
  (sqrt (/ (- (sqrt 1.0) (sqrt x)) (+ 1.0 x)))
  (sqrt (/ 1 (* (cbrt (+ 1.0 x)) (cbrt (+ 1.0 x)))))
  (sqrt (/ (- 1.0 x) (cbrt (+ 1.0 x))))
  (sqrt (/ 1 (sqrt (+ 1.0 x))))
  (sqrt (/ (- 1.0 x) (sqrt (+ 1.0 x))))
  1
  (sqrt (/ (- 1.0 x) (+ x 1.0)))
  1
  (sqrt (/ (- 1.0 x) (+ x 1.0)))
  1
  (sqrt (/ (- 1.0 x) (+ x 1.0)))
  (sqrt (- 1.0 x))
  (sqrt (/ 1 (+ 1.0 x)))
  (sqrt (/ (- 1.0 x) (+ (pow 1.0 3) (pow x 3))))
  (sqrt (+ (* 1.0 1.0) (* x (- x 1.0))))
  (sqrt (/ (- 1.0 x) (- (* 1.0 1.0) (* x x))))
  (sqrt (- 1.0 x))
  (sqrt (- 1.0 x))
  (sqrt (+ 1.0 x))
  1/2
  (sqrt (sqrt (/ (- 1.0 x) (+ 1.0 x))))
  (sqrt (sqrt (/ (- 1.0 x) (+ 1.0 x))))
  (log (atan (sqrt (/ (- 1.0 x) (+ 1.0 x)))))
  (exp (atan (sqrt (/ (- 1.0 x) (+ 1.0 x)))))
  (* (cbrt (atan (sqrt (/ (- 1.0 x) (+ 1.0 x))))) (cbrt (atan (sqrt (/ (- 1.0 x) (+ 1.0 x))))))
  (cbrt (atan (sqrt (/ (- 1.0 x) (+ 1.0 x)))))
  (pow (atan (sqrt (/ (- 1.0 x) (+ 1.0 x)))) 3)
  (sqrt (atan (sqrt (/ (- 1.0 x) (+ 1.0 x)))))
  (sqrt (atan (sqrt (/ (- 1.0 x) (+ 1.0 x)))))
  (+ (* x (- (* 2.0 x) 2.0)) 1.0)
  (- (/ 2.0 x) (+ (/ 2.0 (* x x)) 1))
  (- (/ 2.0 x) (+ (/ 2.0 (* x x)) 1))
  (+ (sqrt 1.0) (- (* (/ (pow x 2) (sqrt 1.0)) (- 1.0 (/ 0.5 1.0))) (* 1.0 (/ x (sqrt 1.0)))))
  (+ (- (/ 1.0 (* (sqrt -1) x)) (* (/ 1 (pow x 2)) (+ (/ 0.5 (neg (sqrt -1))) (/ 1.0 (sqrt -1))))) (sqrt -1))
  (+ (- (/ 1.0 (* (sqrt -1) x)) (* (/ 1 (pow x 2)) (+ (/ 0.5 (neg (sqrt -1))) (/ 1.0 (sqrt -1))))) (sqrt -1))
  (atan (sqrt (/ (- 1.0 x) (+ x 1.0))))
  (atan (sqrt (/ (- 1.0 x) (+ x 1.0))))
  (atan (sqrt (/ (- 1.0 x) (+ x 1.0))))
0.779 * * * [progress]: adding candidates to table
0.953 * * [progress]: iteration 2 / 4
0.953 * * * [progress]: picking best candidate
0.956 * * * * [pick]: Picked  #<alt (λ (x) (* 2.0 (atan (sqrt (* (sqrt (- 1.0 x)) (/ (sqrt (- 1.0 x)) (+ 1.0 x)))))))>
0.956 * * * [progress]: localizing error
0.967 * * * [progress]: generating rewritten candidates
0.967 * * * * [progress]: [ 1 / 4 ] rewriting at (2 2 1 1 2)
0.976 * * * * [progress]: [ 2 / 4 ] rewriting at (2 2 1 1 2 1)
0.980 * * * * [progress]: [ 3 / 4 ] rewriting at (2 2 1 1 1)
0.984 * * * * [progress]: [ 4 / 4 ] rewriting at (2 2 1)
1.002 * * * [progress]: generating series expansions
1.002 * * * * [progress]: [ 1 / 4 ] generating series at (2 2 1 1 2)
1.002 * [approximate]: Taking taylor expansion of (* (sqrt (- 1.0 x)) (/ 1 (+ x 1.0))) in (x) around 0
1.002 * [taylor]: Taking taylor expansion of (* (sqrt (- 1.0 x)) (/ 1 (+ x 1.0))) in x
1.002 * [taylor]: Taking taylor expansion of (sqrt (- 1.0 x)) in x
1.002 * [taylor]: Taking taylor expansion of (- 1.0 x) in x
1.002 * [taylor]: Taking taylor expansion of 1.0 in x
1.002 * [taylor]: Taking taylor expansion of x in x
1.002 * [taylor]: Taking taylor expansion of (/ 1 (+ x 1.0)) in x
1.002 * [taylor]: Taking taylor expansion of (+ x 1.0) in x
1.002 * [taylor]: Taking taylor expansion of x in x
1.002 * [taylor]: Taking taylor expansion of 1.0 in x
1.003 * [taylor]: Taking taylor expansion of (* (sqrt (- 1.0 x)) (/ 1 (+ x 1.0))) in x
1.003 * [taylor]: Taking taylor expansion of (sqrt (- 1.0 x)) in x
1.003 * [taylor]: Taking taylor expansion of (- 1.0 x) in x
1.003 * [taylor]: Taking taylor expansion of 1.0 in x
1.003 * [taylor]: Taking taylor expansion of x in x
1.003 * [taylor]: Taking taylor expansion of (/ 1 (+ x 1.0)) in x
1.003 * [taylor]: Taking taylor expansion of (+ x 1.0) in x
1.003 * [taylor]: Taking taylor expansion of x in x
1.003 * [taylor]: Taking taylor expansion of 1.0 in x
1.004 * [approximate]: Taking taylor expansion of (* (sqrt (- 1.0 (/ 1 x))) (/ 1 (+ (/ 1 x) 1.0))) in (x) around 0
1.004 * [taylor]: Taking taylor expansion of (* (sqrt (- 1.0 (/ 1 x))) (/ 1 (+ (/ 1 x) 1.0))) in x
1.004 * [taylor]: Taking taylor expansion of (sqrt (- 1.0 (/ 1 x))) in x
1.004 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 x)) in x
1.004 * [taylor]: Taking taylor expansion of 1.0 in x
1.004 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.004 * [taylor]: Taking taylor expansion of x in x
1.005 * [taylor]: Taking taylor expansion of (/ 1 (+ (/ 1 x) 1.0)) in x
1.005 * [taylor]: Taking taylor expansion of (+ (/ 1 x) 1.0) in x
1.005 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.005 * [taylor]: Taking taylor expansion of x in x
1.005 * [taylor]: Taking taylor expansion of 1.0 in x
1.005 * [taylor]: Taking taylor expansion of (* (sqrt (- 1.0 (/ 1 x))) (/ 1 (+ (/ 1 x) 1.0))) in x
1.005 * [taylor]: Taking taylor expansion of (sqrt (- 1.0 (/ 1 x))) in x
1.005 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 x)) in x
1.005 * [taylor]: Taking taylor expansion of 1.0 in x
1.005 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.005 * [taylor]: Taking taylor expansion of x in x
1.005 * [taylor]: Taking taylor expansion of (/ 1 (+ (/ 1 x) 1.0)) in x
1.005 * [taylor]: Taking taylor expansion of (+ (/ 1 x) 1.0) in x
1.005 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.005 * [taylor]: Taking taylor expansion of x in x
1.005 * [taylor]: Taking taylor expansion of 1.0 in x
1.007 * [approximate]: Taking taylor expansion of (* (/ 1 (- 1.0 (/ 1 x))) (sqrt (+ (/ 1 x) 1.0))) in (x) around 0
1.008 * [taylor]: Taking taylor expansion of (* (/ 1 (- 1.0 (/ 1 x))) (sqrt (+ (/ 1 x) 1.0))) in x
1.008 * [taylor]: Taking taylor expansion of (/ 1 (- 1.0 (/ 1 x))) in x
1.008 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 x)) in x
1.008 * [taylor]: Taking taylor expansion of 1.0 in x
1.008 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.008 * [taylor]: Taking taylor expansion of x in x
1.008 * [taylor]: Taking taylor expansion of (sqrt (+ (/ 1 x) 1.0)) in x
1.008 * [taylor]: Taking taylor expansion of (+ (/ 1 x) 1.0) in x
1.008 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.008 * [taylor]: Taking taylor expansion of x in x
1.008 * [taylor]: Taking taylor expansion of 1.0 in x
1.008 * [taylor]: Taking taylor expansion of (* (/ 1 (- 1.0 (/ 1 x))) (sqrt (+ (/ 1 x) 1.0))) in x
1.008 * [taylor]: Taking taylor expansion of (/ 1 (- 1.0 (/ 1 x))) in x
1.008 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 x)) in x
1.008 * [taylor]: Taking taylor expansion of 1.0 in x
1.008 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.008 * [taylor]: Taking taylor expansion of x in x
1.008 * [taylor]: Taking taylor expansion of (sqrt (+ (/ 1 x) 1.0)) in x
1.008 * [taylor]: Taking taylor expansion of (+ (/ 1 x) 1.0) in x
1.008 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.008 * [taylor]: Taking taylor expansion of x in x
1.008 * [taylor]: Taking taylor expansion of 1.0 in x
1.010 * * * * [progress]: [ 2 / 4 ] generating series at (2 2 1 1 2 1)
1.010 * [approximate]: Taking taylor expansion of (sqrt (- 1.0 x)) in (x) around 0
1.010 * [taylor]: Taking taylor expansion of (sqrt (- 1.0 x)) in x
1.010 * [taylor]: Taking taylor expansion of (- 1.0 x) in x
1.010 * [taylor]: Taking taylor expansion of 1.0 in x
1.010 * [taylor]: Taking taylor expansion of x in x
1.011 * [taylor]: Taking taylor expansion of (sqrt (- 1.0 x)) in x
1.011 * [taylor]: Taking taylor expansion of (- 1.0 x) in x
1.011 * [taylor]: Taking taylor expansion of 1.0 in x
1.011 * [taylor]: Taking taylor expansion of x in x
1.011 * [approximate]: Taking taylor expansion of (sqrt (- 1.0 (/ 1 x))) in (x) around 0
1.011 * [taylor]: Taking taylor expansion of (sqrt (- 1.0 (/ 1 x))) in x
1.011 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 x)) in x
1.011 * [taylor]: Taking taylor expansion of 1.0 in x
1.011 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.011 * [taylor]: Taking taylor expansion of x in x
1.011 * [taylor]: Taking taylor expansion of (sqrt (- 1.0 (/ 1 x))) in x
1.011 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 x)) in x
1.012 * [taylor]: Taking taylor expansion of 1.0 in x
1.012 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.012 * [taylor]: Taking taylor expansion of x in x
1.013 * [approximate]: Taking taylor expansion of (sqrt (+ (/ 1 x) 1.0)) in (x) around 0
1.013 * [taylor]: Taking taylor expansion of (sqrt (+ (/ 1 x) 1.0)) in x
1.013 * [taylor]: Taking taylor expansion of (+ (/ 1 x) 1.0) in x
1.013 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.013 * [taylor]: Taking taylor expansion of x in x
1.013 * [taylor]: Taking taylor expansion of 1.0 in x
1.013 * [taylor]: Taking taylor expansion of (sqrt (+ (/ 1 x) 1.0)) in x
1.013 * [taylor]: Taking taylor expansion of (+ (/ 1 x) 1.0) in x
1.013 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.013 * [taylor]: Taking taylor expansion of x in x
1.013 * [taylor]: Taking taylor expansion of 1.0 in x
1.014 * * * * [progress]: [ 3 / 4 ] generating series at (2 2 1 1 1)
1.014 * [approximate]: Taking taylor expansion of (sqrt (- 1.0 x)) in (x) around 0
1.014 * [taylor]: Taking taylor expansion of (sqrt (- 1.0 x)) in x
1.014 * [taylor]: Taking taylor expansion of (- 1.0 x) in x
1.014 * [taylor]: Taking taylor expansion of 1.0 in x
1.014 * [taylor]: Taking taylor expansion of x in x
1.014 * [taylor]: Taking taylor expansion of (sqrt (- 1.0 x)) in x
1.014 * [taylor]: Taking taylor expansion of (- 1.0 x) in x
1.014 * [taylor]: Taking taylor expansion of 1.0 in x
1.014 * [taylor]: Taking taylor expansion of x in x
1.019 * [approximate]: Taking taylor expansion of (sqrt (- 1.0 (/ 1 x))) in (x) around 0
1.019 * [taylor]: Taking taylor expansion of (sqrt (- 1.0 (/ 1 x))) in x
1.019 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 x)) in x
1.019 * [taylor]: Taking taylor expansion of 1.0 in x
1.019 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.019 * [taylor]: Taking taylor expansion of x in x
1.020 * [taylor]: Taking taylor expansion of (sqrt (- 1.0 (/ 1 x))) in x
1.020 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 x)) in x
1.020 * [taylor]: Taking taylor expansion of 1.0 in x
1.020 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.020 * [taylor]: Taking taylor expansion of x in x
1.021 * [approximate]: Taking taylor expansion of (sqrt (+ (/ 1 x) 1.0)) in (x) around 0
1.021 * [taylor]: Taking taylor expansion of (sqrt (+ (/ 1 x) 1.0)) in x
1.021 * [taylor]: Taking taylor expansion of (+ (/ 1 x) 1.0) in x
1.021 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.021 * [taylor]: Taking taylor expansion of x in x
1.021 * [taylor]: Taking taylor expansion of 1.0 in x
1.021 * [taylor]: Taking taylor expansion of (sqrt (+ (/ 1 x) 1.0)) in x
1.021 * [taylor]: Taking taylor expansion of (+ (/ 1 x) 1.0) in x
1.021 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.021 * [taylor]: Taking taylor expansion of x in x
1.021 * [taylor]: Taking taylor expansion of 1.0 in x
1.022 * * * * [progress]: [ 4 / 4 ] generating series at (2 2 1)
1.022 * [approximate]: Taking taylor expansion of (sqrt (/ (- 1.0 x) (+ x 1.0))) in (x) around 0
1.022 * [taylor]: Taking taylor expansion of (sqrt (/ (- 1.0 x) (+ x 1.0))) in x
1.022 * [taylor]: Taking taylor expansion of (/ (- 1.0 x) (+ x 1.0)) in x
1.022 * [taylor]: Taking taylor expansion of (- 1.0 x) in x
1.022 * [taylor]: Taking taylor expansion of 1.0 in x
1.023 * [taylor]: Taking taylor expansion of x in x
1.023 * [taylor]: Taking taylor expansion of (+ x 1.0) in x
1.023 * [taylor]: Taking taylor expansion of x in x
1.023 * [taylor]: Taking taylor expansion of 1.0 in x
1.023 * [taylor]: Taking taylor expansion of (sqrt (/ (- 1.0 x) (+ x 1.0))) in x
1.023 * [taylor]: Taking taylor expansion of (/ (- 1.0 x) (+ x 1.0)) in x
1.023 * [taylor]: Taking taylor expansion of (- 1.0 x) in x
1.023 * [taylor]: Taking taylor expansion of 1.0 in x
1.023 * [taylor]: Taking taylor expansion of x in x
1.023 * [taylor]: Taking taylor expansion of (+ x 1.0) in x
1.023 * [taylor]: Taking taylor expansion of x in x
1.023 * [taylor]: Taking taylor expansion of 1.0 in x
1.024 * [approximate]: Taking taylor expansion of (sqrt (/ (- 1.0 (/ 1 x)) (+ (/ 1 x) 1.0))) in (x) around 0
1.024 * [taylor]: Taking taylor expansion of (sqrt (/ (- 1.0 (/ 1 x)) (+ (/ 1 x) 1.0))) in x
1.024 * [taylor]: Taking taylor expansion of (/ (- 1.0 (/ 1 x)) (+ (/ 1 x) 1.0)) in x
1.024 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 x)) in x
1.024 * [taylor]: Taking taylor expansion of 1.0 in x
1.024 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.024 * [taylor]: Taking taylor expansion of x in x
1.024 * [taylor]: Taking taylor expansion of (+ (/ 1 x) 1.0) in x
1.024 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.024 * [taylor]: Taking taylor expansion of x in x
1.024 * [taylor]: Taking taylor expansion of 1.0 in x
1.024 * [taylor]: Taking taylor expansion of (sqrt (/ (- 1.0 (/ 1 x)) (+ (/ 1 x) 1.0))) in x
1.024 * [taylor]: Taking taylor expansion of (/ (- 1.0 (/ 1 x)) (+ (/ 1 x) 1.0)) in x
1.024 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 x)) in x
1.024 * [taylor]: Taking taylor expansion of 1.0 in x
1.024 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.024 * [taylor]: Taking taylor expansion of x in x
1.024 * [taylor]: Taking taylor expansion of (+ (/ 1 x) 1.0) in x
1.024 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.025 * [taylor]: Taking taylor expansion of x in x
1.025 * [taylor]: Taking taylor expansion of 1.0 in x
1.026 * [approximate]: Taking taylor expansion of (sqrt (/ (+ (/ 1 x) 1.0) (- 1.0 (/ 1 x)))) in (x) around 0
1.026 * [taylor]: Taking taylor expansion of (sqrt (/ (+ (/ 1 x) 1.0) (- 1.0 (/ 1 x)))) in x
1.026 * [taylor]: Taking taylor expansion of (/ (+ (/ 1 x) 1.0) (- 1.0 (/ 1 x))) in x
1.026 * [taylor]: Taking taylor expansion of (+ (/ 1 x) 1.0) in x
1.026 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.026 * [taylor]: Taking taylor expansion of x in x
1.026 * [taylor]: Taking taylor expansion of 1.0 in x
1.026 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 x)) in x
1.026 * [taylor]: Taking taylor expansion of 1.0 in x
1.026 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.026 * [taylor]: Taking taylor expansion of x in x
1.026 * [taylor]: Taking taylor expansion of (sqrt (/ (+ (/ 1 x) 1.0) (- 1.0 (/ 1 x)))) in x
1.026 * [taylor]: Taking taylor expansion of (/ (+ (/ 1 x) 1.0) (- 1.0 (/ 1 x))) in x
1.026 * [taylor]: Taking taylor expansion of (+ (/ 1 x) 1.0) in x
1.026 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.026 * [taylor]: Taking taylor expansion of x in x
1.026 * [taylor]: Taking taylor expansion of 1.0 in x
1.026 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 x)) in x
1.026 * [taylor]: Taking taylor expansion of 1.0 in x
1.026 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.026 * [taylor]: Taking taylor expansion of x in x
1.027 * * * [progress]: simplifying candidates
1.029 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (- (log (sqrt (- 1.0 x))) (log (+ 1.0 x)))
  (log (/ (sqrt (- 1.0 x)) (+ 1.0 x)))
  (exp (/ (sqrt (- 1.0 x)) (+ 1.0 x)))
  (/ (* (* (sqrt (- 1.0 x)) (sqrt (- 1.0 x))) (sqrt (- 1.0 x))) (* (* (+ 1.0 x) (+ 1.0 x)) (+ 1.0 x)))
  (* (cbrt (/ (sqrt (- 1.0 x)) (+ 1.0 x))) (cbrt (/ (sqrt (- 1.0 x)) (+ 1.0 x))))
  (cbrt (/ (sqrt (- 1.0 x)) (+ 1.0 x)))
  (* (* (/ (sqrt (- 1.0 x)) (+ 1.0 x)) (/ (sqrt (- 1.0 x)) (+ 1.0 x))) (/ (sqrt (- 1.0 x)) (+ 1.0 x)))
  (sqrt (/ (sqrt (- 1.0 x)) (+ 1.0 x)))
  (sqrt (/ (sqrt (- 1.0 x)) (+ 1.0 x)))
  (neg (sqrt (- 1.0 x)))
  (neg (+ 1.0 x))
  (/ (* (cbrt (sqrt (- 1.0 x))) (cbrt (sqrt (- 1.0 x)))) (* (cbrt (+ 1.0 x)) (cbrt (+ 1.0 x))))
  (/ (cbrt (sqrt (- 1.0 x))) (cbrt (+ 1.0 x)))
  (/ (* (cbrt (sqrt (- 1.0 x))) (cbrt (sqrt (- 1.0 x)))) (sqrt (+ 1.0 x)))
  (/ (cbrt (sqrt (- 1.0 x))) (sqrt (+ 1.0 x)))
  (/ (* (cbrt (sqrt (- 1.0 x))) (cbrt (sqrt (- 1.0 x)))) 1)
  (/ (cbrt (sqrt (- 1.0 x))) (+ 1.0 x))
  (/ (* (cbrt (sqrt (- 1.0 x))) (cbrt (sqrt (- 1.0 x)))) 1)
  (/ (cbrt (sqrt (- 1.0 x))) (+ 1.0 x))
  (/ (sqrt (* (cbrt (- 1.0 x)) (cbrt (- 1.0 x)))) (* (cbrt (+ 1.0 x)) (cbrt (+ 1.0 x))))
  (/ (sqrt (cbrt (- 1.0 x))) (cbrt (+ 1.0 x)))
  (/ (sqrt (* (cbrt (- 1.0 x)) (cbrt (- 1.0 x)))) (sqrt (+ 1.0 x)))
  (/ (sqrt (cbrt (- 1.0 x))) (sqrt (+ 1.0 x)))
  (/ (sqrt (* (cbrt (- 1.0 x)) (cbrt (- 1.0 x)))) 1)
  (/ (sqrt (cbrt (- 1.0 x))) (+ 1.0 x))
  (/ (sqrt (* (cbrt (- 1.0 x)) (cbrt (- 1.0 x)))) 1)
  (/ (sqrt (cbrt (- 1.0 x))) (+ 1.0 x))
  (/ (sqrt (sqrt (- 1.0 x))) (* (cbrt (+ 1.0 x)) (cbrt (+ 1.0 x))))
  (/ (sqrt (sqrt (- 1.0 x))) (cbrt (+ 1.0 x)))
  (/ (sqrt (sqrt (- 1.0 x))) (sqrt (+ 1.0 x)))
  (/ (sqrt (sqrt (- 1.0 x))) (sqrt (+ 1.0 x)))
  (/ (sqrt (sqrt (- 1.0 x))) 1)
  (/ (sqrt (sqrt (- 1.0 x))) (+ 1.0 x))
  (/ (sqrt (sqrt (- 1.0 x))) 1)
  (/ (sqrt (sqrt (- 1.0 x))) (+ 1.0 x))
  (/ (sqrt 1) (* (cbrt (+ 1.0 x)) (cbrt (+ 1.0 x))))
  (/ (sqrt (- 1.0 x)) (cbrt (+ 1.0 x)))
  (/ (sqrt 1) (sqrt (+ 1.0 x)))
  (/ (sqrt (- 1.0 x)) (sqrt (+ 1.0 x)))
  (/ (sqrt 1) 1)
  (/ (sqrt (- 1.0 x)) (+ 1.0 x))
  (/ (sqrt 1) 1)
  (/ (sqrt (- 1.0 x)) (+ 1.0 x))
  (/ (sqrt (+ (sqrt 1.0) (sqrt x))) (* (cbrt (+ 1.0 x)) (cbrt (+ 1.0 x))))
  (/ (sqrt (- (sqrt 1.0) (sqrt x))) (cbrt (+ 1.0 x)))
  (/ (sqrt (+ (sqrt 1.0) (sqrt x))) (sqrt (+ 1.0 x)))
  (/ (sqrt (- (sqrt 1.0) (sqrt x))) (sqrt (+ 1.0 x)))
  (/ (sqrt (+ (sqrt 1.0) (sqrt x))) 1)
  (/ (sqrt (- (sqrt 1.0) (sqrt x))) (+ 1.0 x))
  (/ (sqrt (+ (sqrt 1.0) (sqrt x))) 1)
  (/ (sqrt (- (sqrt 1.0) (sqrt x))) (+ 1.0 x))
  (/ (sqrt 1) (* (cbrt (+ 1.0 x)) (cbrt (+ 1.0 x))))
  (/ (sqrt (- 1.0 x)) (cbrt (+ 1.0 x)))
  (/ (sqrt 1) (sqrt (+ 1.0 x)))
  (/ (sqrt (- 1.0 x)) (sqrt (+ 1.0 x)))
  (/ (sqrt 1) 1)
  (/ (sqrt (- 1.0 x)) (+ 1.0 x))
  (/ (sqrt 1) 1)
  (/ (sqrt (- 1.0 x)) (+ 1.0 x))
  (/ (sqrt (sqrt (- 1.0 x))) (* (cbrt (+ 1.0 x)) (cbrt (+ 1.0 x))))
  (/ (sqrt (sqrt (- 1.0 x))) (cbrt (+ 1.0 x)))
  (/ (sqrt (sqrt (- 1.0 x))) (sqrt (+ 1.0 x)))
  (/ (sqrt (sqrt (- 1.0 x))) (sqrt (+ 1.0 x)))
  (/ (sqrt (sqrt (- 1.0 x))) 1)
  (/ (sqrt (sqrt (- 1.0 x))) (+ 1.0 x))
  (/ (sqrt (sqrt (- 1.0 x))) 1)
  (/ (sqrt (sqrt (- 1.0 x))) (+ 1.0 x))
  (/ 1 (* (cbrt (+ 1.0 x)) (cbrt (+ 1.0 x))))
  (/ (sqrt (- 1.0 x)) (cbrt (+ 1.0 x)))
  (/ 1 (sqrt (+ 1.0 x)))
  (/ (sqrt (- 1.0 x)) (sqrt (+ 1.0 x)))
  (/ 1 1)
  (/ (sqrt (- 1.0 x)) (+ 1.0 x))
  (/ 1 1)
  (/ (sqrt (- 1.0 x)) (+ 1.0 x))
  (/ 1 (+ 1.0 x))
  (/ (+ 1.0 x) (sqrt (- 1.0 x)))
  (/ (sqrt (- 1.0 x)) (* (cbrt (+ 1.0 x)) (cbrt (+ 1.0 x))))
  (/ (sqrt (- 1.0 x)) (sqrt (+ 1.0 x)))
  (/ (sqrt (- 1.0 x)) 1)
  (/ (sqrt (- 1.0 x)) 1)
  (/ (+ 1.0 x) (cbrt (sqrt (- 1.0 x))))
  (/ (+ 1.0 x) (sqrt (cbrt (- 1.0 x))))
  (/ (+ 1.0 x) (sqrt (sqrt (- 1.0 x))))
  (/ (+ 1.0 x) (sqrt (- 1.0 x)))
  (/ (+ 1.0 x) (sqrt (- (sqrt 1.0) (sqrt x))))
  (/ (+ 1.0 x) (sqrt (- 1.0 x)))
  (/ (+ 1.0 x) (sqrt (sqrt (- 1.0 x))))
  (/ (+ 1.0 x) (sqrt (- 1.0 x)))
  (/ (sqrt (- 1.0 x)) (+ (pow 1.0 3) (pow x 3)))
  (/ (sqrt (- 1.0 x)) (- (* 1.0 1.0) (* x x)))
  (* (+ 1.0 x) (sqrt (+ (* 1.0 1.0) (+ (* x x) (* 1.0 x)))))
  (* (+ 1.0 x) (sqrt (+ 1.0 x)))
  (log (sqrt (- 1.0 x)))
  (exp (sqrt (- 1.0 x)))
  (* (cbrt (sqrt (- 1.0 x))) (cbrt (sqrt (- 1.0 x))))
  (cbrt (sqrt (- 1.0 x)))
  (* (* (sqrt (- 1.0 x)) (sqrt (- 1.0 x))) (sqrt (- 1.0 x)))
  (sqrt (* (cbrt (- 1.0 x)) (cbrt (- 1.0 x))))
  (sqrt (cbrt (- 1.0 x)))
  (sqrt (sqrt (- 1.0 x)))
  (sqrt (sqrt (- 1.0 x)))
  (sqrt 1)
  (sqrt (- 1.0 x))
  (sqrt (+ (sqrt 1.0) (sqrt x)))
  (sqrt (- (sqrt 1.0) (sqrt x)))
  (sqrt 1)
  (sqrt (- 1.0 x))
  (sqrt (- (pow 1.0 3) (pow x 3)))
  (sqrt (+ (* 1.0 1.0) (+ (* x x) (* 1.0 x))))
  (sqrt (- (* 1.0 1.0) (* x x)))
  (sqrt (+ 1.0 x))
  (/ 1 2)
  (sqrt (sqrt (- 1.0 x)))
  (sqrt (sqrt (- 1.0 x)))
  (log (sqrt (- 1.0 x)))
  (exp (sqrt (- 1.0 x)))
  (* (cbrt (sqrt (- 1.0 x))) (cbrt (sqrt (- 1.0 x))))
  (cbrt (sqrt (- 1.0 x)))
  (* (* (sqrt (- 1.0 x)) (sqrt (- 1.0 x))) (sqrt (- 1.0 x)))
  (sqrt (* (cbrt (- 1.0 x)) (cbrt (- 1.0 x))))
  (sqrt (cbrt (- 1.0 x)))
  (sqrt (sqrt (- 1.0 x)))
  (sqrt (sqrt (- 1.0 x)))
  (sqrt 1)
  (sqrt (- 1.0 x))
  (sqrt (+ (sqrt 1.0) (sqrt x)))
  (sqrt (- (sqrt 1.0) (sqrt x)))
  (sqrt 1)
  (sqrt (- 1.0 x))
  (sqrt (- (pow 1.0 3) (pow x 3)))
  (sqrt (+ (* 1.0 1.0) (+ (* x x) (* 1.0 x))))
  (sqrt (- (* 1.0 1.0) (* x x)))
  (sqrt (+ 1.0 x))
  (/ 1 2)
  (sqrt (sqrt (- 1.0 x)))
  (sqrt (sqrt (- 1.0 x)))
  (log (sqrt (* (sqrt (- 1.0 x)) (/ (sqrt (- 1.0 x)) (+ 1.0 x)))))
  (exp (sqrt (* (sqrt (- 1.0 x)) (/ (sqrt (- 1.0 x)) (+ 1.0 x)))))
  (* (cbrt (sqrt (* (sqrt (- 1.0 x)) (/ (sqrt (- 1.0 x)) (+ 1.0 x))))) (cbrt (sqrt (* (sqrt (- 1.0 x)) (/ (sqrt (- 1.0 x)) (+ 1.0 x))))))
  (cbrt (sqrt (* (sqrt (- 1.0 x)) (/ (sqrt (- 1.0 x)) (+ 1.0 x)))))
  (* (* (sqrt (* (sqrt (- 1.0 x)) (/ (sqrt (- 1.0 x)) (+ 1.0 x)))) (sqrt (* (sqrt (- 1.0 x)) (/ (sqrt (- 1.0 x)) (+ 1.0 x))))) (sqrt (* (sqrt (- 1.0 x)) (/ (sqrt (- 1.0 x)) (+ 1.0 x)))))
  (sqrt (sqrt (- 1.0 x)))
  (sqrt (/ (sqrt (- 1.0 x)) (+ 1.0 x)))
  (sqrt (* (sqrt (- (pow 1.0 3) (pow x 3))) (sqrt (- 1.0 x))))
  (sqrt (* (sqrt (+ (* 1.0 1.0) (+ (* x x) (* 1.0 x)))) (+ 1.0 x)))
  (sqrt (* (sqrt (- (* 1.0 1.0) (* x x))) (sqrt (- 1.0 x))))
  (sqrt (* (sqrt (+ 1.0 x)) (+ 1.0 x)))
  (sqrt (* (sqrt (- 1.0 x)) (sqrt (- 1.0 x))))
  (sqrt (+ 1.0 x))
  (sqrt (* (sqrt (- (pow 1.0 3) (pow x 3))) (/ (sqrt (- 1.0 x)) (+ 1.0 x))))
  (sqrt (sqrt (+ (* 1.0 1.0) (+ (* x x) (* 1.0 x)))))
  (sqrt (* (sqrt (- (* 1.0 1.0) (* x x))) (/ (sqrt (- 1.0 x)) (+ 1.0 x))))
  (sqrt (sqrt (+ 1.0 x)))
  (/ 1 2)
  (/ 1 2)
  (sqrt (sqrt (* (sqrt (- 1.0 x)) (/ (sqrt (- 1.0 x)) (+ 1.0 x)))))
  (sqrt (sqrt (* (sqrt (- 1.0 x)) (/ (sqrt (- 1.0 x)) (+ 1.0 x)))))
  (- (+ (* 1.0 (sqrt 1.0)) (+ (* 0.5 (/ (pow x 2) (sqrt 1.0))) (* 1.0 (* (pow x 2) (sqrt 1.0))))) (+ (* 0.125 (/ (pow x 2) (pow (sqrt 1.0) 3))) (+ (* 0.5 (/ x (sqrt 1.0))) (* 1.0 (* x (sqrt 1.0))))))
  (- (+ (/ NAN x) (* 2 (/ (pow NAN 5) (pow x 3)))) (+ (/ (pow NAN 3) (pow x 2)) (* 1.0 (/ (pow NAN 3) (pow x 3)))))
  (- (+ (* 2.0 (/ NAN (pow x 3))) (+ (/ (pow NAN 3) (pow x 2)) (+ (/ NAN x) (* 2 (/ (pow NAN 5) (pow x 3)))))) (+ (* 2.0 (/ NAN (pow x 2))) (* 3.0 (/ (pow NAN 3) (pow x 3)))))
  (- (sqrt 1.0) (+ (* 1/8 (/ (pow x 2) (pow (sqrt 1.0) 3))) (* 1/2 (/ x (sqrt 1.0)))))
  (- (+ (* 2 (/ (pow NAN 5) (pow x 2))) (+ NAN (* 1.0 (/ NAN x)))) (+ (* 2.0 (/ (pow NAN 3) (pow x 2))) (/ (pow NAN 3) x)))
  (- (+ (/ (pow NAN 3) x) (+ (* 2 (/ (pow NAN 5) (pow x 2))) NAN)) (+ (* 2.0 (/ (pow NAN 3) (pow x 2))) (* 1.0 (/ NAN x))))
  (- (sqrt 1.0) (+ (* 1/8 (/ (pow x 2) (pow (sqrt 1.0) 3))) (* 1/2 (/ x (sqrt 1.0)))))
  (- (+ (* 2 (/ (pow NAN 5) (pow x 2))) (+ NAN (* 1.0 (/ NAN x)))) (+ (* 2.0 (/ (pow NAN 3) (pow x 2))) (/ (pow NAN 3) x)))
  (- (+ (/ (pow NAN 3) x) (+ (* 2 (/ (pow NAN 5) (pow x 2))) NAN)) (+ (* 2.0 (/ (pow NAN 3) (pow x 2))) (* 1.0 (/ NAN x))))
  (- (+ (* 1.0 (/ (pow x 2) (sqrt 1.0))) (sqrt 1.0)) (+ (* 0.5 (/ (pow x 2) (pow (sqrt 1.0) 3))) (* 1.0 (/ x (sqrt 1.0)))))
  (- (+ (sqrt -1) (* 1.0 (/ 1 (* (sqrt -1) x)))) (+ (* 0.5 (/ 1 (* (pow (sqrt -1) 3) (pow x 2)))) (* 1.0 (/ 1 (* (sqrt -1) (pow x 2))))))
  (- (+ (sqrt -1) (* 1.0 (/ 1 (* (sqrt -1) x)))) (+ (* 0.5 (/ 1 (* (pow (sqrt -1) 3) (pow x 2)))) (* 1.0 (/ 1 (* (sqrt -1) (pow x 2))))))
1.036 * * [simplify]: iteration  0 :  209  enodes  (cost  1873 )
1.064 * * [simplify]: iteration  1 :  477  enodes  (cost  1677 )
1.146 * * [simplify]: iteration  2 :  1410  enodes  (cost  1637 )
1.428 * * [simplify]: iteration  3 :  4703  enodes  (cost  1602 )
2.172 * * [simplify]: iteration  done :  5000  enodes  (cost  1602 )
2.174 * [simplify]: Simplified to:
   (log (/ (sqrt (- 1.0 x)) (+ 1.0 x)))
  (log (/ (sqrt (- 1.0 x)) (+ 1.0 x)))
  (exp (/ (sqrt (- 1.0 x)) (+ 1.0 x)))
  (pow (/ (sqrt (- 1.0 x)) (+ 1.0 x)) 3)
  (* (cbrt (/ (sqrt (- 1.0 x)) (+ 1.0 x))) (cbrt (/ (sqrt (- 1.0 x)) (+ 1.0 x))))
  (cbrt (/ (sqrt (- 1.0 x)) (+ 1.0 x)))
  (pow (/ (sqrt (- 1.0 x)) (+ 1.0 x)) 3)
  (sqrt (/ (sqrt (- 1.0 x)) (+ 1.0 x)))
  (sqrt (/ (sqrt (- 1.0 x)) (+ 1.0 x)))
  (neg (sqrt (- 1.0 x)))
  (neg (+ 1.0 x))
  (/ (* (cbrt (sqrt (- 1.0 x))) (cbrt (sqrt (- 1.0 x)))) (* (cbrt (+ 1.0 x)) (cbrt (+ 1.0 x))))
  (/ (cbrt (sqrt (- 1.0 x))) (cbrt (+ 1.0 x)))
  (/ (* (cbrt (sqrt (- 1.0 x))) (cbrt (sqrt (- 1.0 x)))) (sqrt (+ 1.0 x)))
  (/ (cbrt (sqrt (- 1.0 x))) (sqrt (+ 1.0 x)))
  (* (cbrt (sqrt (- 1.0 x))) (cbrt (sqrt (- 1.0 x))))
  (/ (cbrt (sqrt (- 1.0 x))) (+ 1.0 x))
  (* (cbrt (sqrt (- 1.0 x))) (cbrt (sqrt (- 1.0 x))))
  (/ (cbrt (sqrt (- 1.0 x))) (+ 1.0 x))
  (/ (fabs (cbrt (- 1.0 x))) (* (cbrt (+ 1.0 x)) (cbrt (+ 1.0 x))))
  (/ (sqrt (cbrt (- 1.0 x))) (cbrt (+ 1.0 x)))
  (/ (fabs (cbrt (- 1.0 x))) (sqrt (+ 1.0 x)))
  (/ (sqrt (cbrt (- 1.0 x))) (sqrt (+ 1.0 x)))
  (fabs (cbrt (- 1.0 x)))
  (/ (sqrt (cbrt (- 1.0 x))) (+ 1.0 x))
  (fabs (cbrt (- 1.0 x)))
  (/ (sqrt (cbrt (- 1.0 x))) (+ 1.0 x))
  (/ (sqrt (sqrt (- 1.0 x))) (* (cbrt (+ 1.0 x)) (cbrt (+ 1.0 x))))
  (/ (sqrt (sqrt (- 1.0 x))) (cbrt (+ 1.0 x)))
  (/ (sqrt (sqrt (- 1.0 x))) (sqrt (+ 1.0 x)))
  (/ (sqrt (sqrt (- 1.0 x))) (sqrt (+ 1.0 x)))
  (sqrt (sqrt (- 1.0 x)))
  (/ (sqrt (sqrt (- 1.0 x))) (+ 1.0 x))
  (sqrt (sqrt (- 1.0 x)))
  (/ (sqrt (sqrt (- 1.0 x))) (+ 1.0 x))
  (/ 1 (* (cbrt (+ 1.0 x)) (cbrt (+ 1.0 x))))
  (/ (sqrt (- 1.0 x)) (cbrt (+ 1.0 x)))
  (/ 1 (sqrt (+ 1.0 x)))
  (/ (sqrt (- 1.0 x)) (sqrt (+ 1.0 x)))
  1
  (/ (sqrt (- 1.0 x)) (+ 1.0 x))
  1
  (/ (sqrt (- 1.0 x)) (+ 1.0 x))
  (/ (sqrt (+ (sqrt 1.0) (sqrt x))) (* (cbrt (+ 1.0 x)) (cbrt (+ 1.0 x))))
  (/ (sqrt (- (sqrt 1.0) (sqrt x))) (cbrt (+ 1.0 x)))
  (/ (sqrt (+ (sqrt 1.0) (sqrt x))) (sqrt (+ 1.0 x)))
  (/ (sqrt (- (sqrt 1.0) (sqrt x))) (sqrt (+ 1.0 x)))
  (sqrt (+ (sqrt 1.0) (sqrt x)))
  (/ (sqrt (- (sqrt 1.0) (sqrt x))) (+ 1.0 x))
  (sqrt (+ (sqrt 1.0) (sqrt x)))
  (/ (sqrt (- (sqrt 1.0) (sqrt x))) (+ 1.0 x))
  (/ 1 (* (cbrt (+ 1.0 x)) (cbrt (+ 1.0 x))))
  (/ (sqrt (- 1.0 x)) (cbrt (+ 1.0 x)))
  (/ 1 (sqrt (+ 1.0 x)))
  (/ (sqrt (- 1.0 x)) (sqrt (+ 1.0 x)))
  1
  (/ (sqrt (- 1.0 x)) (+ 1.0 x))
  1
  (/ (sqrt (- 1.0 x)) (+ 1.0 x))
  (/ (sqrt (sqrt (- 1.0 x))) (* (cbrt (+ 1.0 x)) (cbrt (+ 1.0 x))))
  (/ (sqrt (sqrt (- 1.0 x))) (cbrt (+ 1.0 x)))
  (/ (sqrt (sqrt (- 1.0 x))) (sqrt (+ 1.0 x)))
  (/ (sqrt (sqrt (- 1.0 x))) (sqrt (+ 1.0 x)))
  (sqrt (sqrt (- 1.0 x)))
  (/ (sqrt (sqrt (- 1.0 x))) (+ 1.0 x))
  (sqrt (sqrt (- 1.0 x)))
  (/ (sqrt (sqrt (- 1.0 x))) (+ 1.0 x))
  (/ 1 (* (cbrt (+ 1.0 x)) (cbrt (+ 1.0 x))))
  (/ (sqrt (- 1.0 x)) (cbrt (+ 1.0 x)))
  (/ 1 (sqrt (+ 1.0 x)))
  (/ (sqrt (- 1.0 x)) (sqrt (+ 1.0 x)))
  1
  (/ (sqrt (- 1.0 x)) (+ 1.0 x))
  1
  (/ (sqrt (- 1.0 x)) (+ 1.0 x))
  (/ 1 (+ 1.0 x))
  (/ (+ 1.0 x) (sqrt (- 1.0 x)))
  (/ (sqrt (- 1.0 x)) (* (cbrt (+ 1.0 x)) (cbrt (+ 1.0 x))))
  (/ (sqrt (- 1.0 x)) (sqrt (+ 1.0 x)))
  (sqrt (- 1.0 x))
  (sqrt (- 1.0 x))
  (/ (+ 1.0 x) (cbrt (sqrt (- 1.0 x))))
  (/ (+ 1.0 x) (sqrt (cbrt (- 1.0 x))))
  (/ (+ 1.0 x) (sqrt (sqrt (- 1.0 x))))
  (/ (+ 1.0 x) (sqrt (- 1.0 x)))
  (/ (+ 1.0 x) (sqrt (- (sqrt 1.0) (sqrt x))))
  (/ (+ 1.0 x) (sqrt (- 1.0 x)))
  (/ (+ 1.0 x) (sqrt (sqrt (- 1.0 x))))
  (/ (+ 1.0 x) (sqrt (- 1.0 x)))
  (/ (sqrt (- 1.0 x)) (+ (pow 1.0 3) (pow x 3)))
  (/ (sqrt (- 1.0 x)) (- (* 1.0 1.0) (* x x)))
  (* (sqrt (+ (* 1.0 1.0) (* x (+ 1.0 x)))) (+ 1.0 x))
  (* (+ 1.0 x) (sqrt (+ 1.0 x)))
  (log (sqrt (- 1.0 x)))
  (exp (sqrt (- 1.0 x)))
  (* (cbrt (sqrt (- 1.0 x))) (cbrt (sqrt (- 1.0 x))))
  (cbrt (sqrt (- 1.0 x)))
  (pow (sqrt (- 1.0 x)) 3)
  (fabs (cbrt (- 1.0 x)))
  (sqrt (cbrt (- 1.0 x)))
  (sqrt (sqrt (- 1.0 x)))
  (sqrt (sqrt (- 1.0 x)))
  1
  (sqrt (- 1.0 x))
  (sqrt (+ (sqrt 1.0) (sqrt x)))
  (sqrt (- (sqrt 1.0) (sqrt x)))
  1
  (sqrt (- 1.0 x))
  (sqrt (- (pow 1.0 3) (pow x 3)))
  (sqrt (+ (* 1.0 1.0) (* x (+ 1.0 x))))
  (sqrt (- (* 1.0 1.0) (* x x)))
  (sqrt (+ 1.0 x))
  1/2
  (sqrt (sqrt (- 1.0 x)))
  (sqrt (sqrt (- 1.0 x)))
  (log (sqrt (- 1.0 x)))
  (exp (sqrt (- 1.0 x)))
  (* (cbrt (sqrt (- 1.0 x))) (cbrt (sqrt (- 1.0 x))))
  (cbrt (sqrt (- 1.0 x)))
  (pow (sqrt (- 1.0 x)) 3)
  (fabs (cbrt (- 1.0 x)))
  (sqrt (cbrt (- 1.0 x)))
  (sqrt (sqrt (- 1.0 x)))
  (sqrt (sqrt (- 1.0 x)))
  1
  (sqrt (- 1.0 x))
  (sqrt (+ (sqrt 1.0) (sqrt x)))
  (sqrt (- (sqrt 1.0) (sqrt x)))
  1
  (sqrt (- 1.0 x))
  (sqrt (- (pow 1.0 3) (pow x 3)))
  (sqrt (+ (* 1.0 1.0) (* x (+ 1.0 x))))
  (sqrt (- (* 1.0 1.0) (* x x)))
  (sqrt (+ 1.0 x))
  1/2
  (sqrt (sqrt (- 1.0 x)))
  (sqrt (sqrt (- 1.0 x)))
  (log (sqrt (/ (- 1.0 x) (+ 1.0 x))))
  (exp (sqrt (/ (- 1.0 x) (+ 1.0 x))))
  (* (cbrt (sqrt (/ (- 1.0 x) (+ 1.0 x)))) (cbrt (sqrt (/ (- 1.0 x) (+ 1.0 x)))))
  (cbrt (sqrt (/ (- 1.0 x) (+ 1.0 x))))
  (pow (sqrt (/ (- 1.0 x) (+ 1.0 x))) 3)
  (sqrt (sqrt (- 1.0 x)))
  (sqrt (/ (sqrt (- 1.0 x)) (+ 1.0 x)))
  (sqrt (* (sqrt (- (pow 1.0 3) (pow x 3))) (sqrt (- 1.0 x))))
  (sqrt (* (sqrt (+ (* 1.0 1.0) (* x (+ 1.0 x)))) (+ 1.0 x)))
  (sqrt (* (sqrt (- (* 1.0 1.0) (* x x))) (sqrt (- 1.0 x))))
  (sqrt (* (sqrt (+ 1.0 x)) (+ 1.0 x)))
  (sqrt (- 1.0 x))
  (sqrt (+ 1.0 x))
  (sqrt (* (sqrt (- (pow 1.0 3) (pow x 3))) (/ (sqrt (- 1.0 x)) (+ 1.0 x))))
  (sqrt (sqrt (+ (* 1.0 1.0) (* x (+ 1.0 x)))))
  (sqrt (* (sqrt (- (* 1.0 1.0) (* x x))) (/ (sqrt (- 1.0 x)) (+ 1.0 x))))
  (sqrt (sqrt (+ 1.0 x)))
  1/2
  1/2
  (sqrt (sqrt (/ (- 1.0 x) (+ 1.0 x))))
  (sqrt (sqrt (/ (- 1.0 x) (+ 1.0 x))))
  (+ (* 0.5 (/ (pow x 2) (sqrt 1.0))) (- (* (+ (* x x) 1) (* 1.0 (sqrt 1.0))) (+ (* 0.125 (/ (pow x 2) (pow (sqrt 1.0) 3))) (+ (* 0.5 (/ x (sqrt 1.0))) (* 1.0 (* x (sqrt 1.0)))))))
  (+ (- (* 2 (/ (pow NAN 5) (pow x 3))) (* (+ (/ 1.0 x) 1) (/ (pow NAN 3) (pow x 2)))) (/ NAN x))
  (+ (+ (/ (pow NAN 3) (pow x 2)) (+ (/ NAN x) (* 2 (/ (pow NAN 5) (pow x 3))))) (- (* (/ NAN (pow x 2)) (- (/ 2.0 x) 2.0)) (* 3.0 (/ (pow NAN 3) (pow x 3)))))
  (- (sqrt 1.0) (+ (* 1/8 (/ (pow x 2) (pow (sqrt 1.0) 3))) (* 1/2 (/ x (sqrt 1.0)))))
  (+ (+ (* 1.0 (/ NAN x)) (* 2 (/ (pow NAN 5) (pow x 2)))) (- NAN (* (+ (/ 2.0 x) 1) (/ (pow NAN 3) x))))
  (- (+ (/ (pow NAN 3) x) (+ (* 2 (/ (pow NAN 5) (pow x 2))) NAN)) (+ (* 2.0 (/ (pow NAN 3) (pow x 2))) (* 1.0 (/ NAN x))))
  (- (sqrt 1.0) (+ (* 1/8 (/ (pow x 2) (pow (sqrt 1.0) 3))) (* 1/2 (/ x (sqrt 1.0)))))
  (+ (+ (* 1.0 (/ NAN x)) (* 2 (/ (pow NAN 5) (pow x 2)))) (- NAN (* (+ (/ 2.0 x) 1) (/ (pow NAN 3) x))))
  (- (+ (/ (pow NAN 3) x) (+ (* 2 (/ (pow NAN 5) (pow x 2))) NAN)) (+ (* 2.0 (/ (pow NAN 3) (pow x 2))) (* 1.0 (/ NAN x))))
  (+ (sqrt 1.0) (- (* (/ (pow x 2) (sqrt 1.0)) (- 1.0 (/ 0.5 1.0))) (* 1.0 (/ x (sqrt 1.0)))))
  (+ (- (/ 1.0 (* (sqrt -1) x)) (* (/ 1 (* x x)) (+ (/ 0.5 (neg (sqrt -1))) (/ 1.0 (sqrt -1))))) (sqrt -1))
  (+ (- (/ 1.0 (* (sqrt -1) x)) (* (/ 1 (* x x)) (+ (/ 0.5 (neg (sqrt -1))) (/ 1.0 (sqrt -1))))) (sqrt -1))
2.175 * * * [progress]: adding candidates to table
2.430 * [progress]: [Phase 3 of 3] Extracting.
2.430 * * [regime]: Finding splitpoints for: (#<alt (λ (x) (* 2.0 (atan (sqrt (* (sqrt (- 1.0 x)) (/ (sqrt (- 1.0 x)) (+ 1.0 x)))))))> #<alt (λ (x) (* 2.0 (atan (sqrt (/ (- 1.0 x) (+ 1.0 x))))))>)
2.430 * * * [regime-changes]: Trying 5 branch expressions: ((/ (- 1.0 x) (+ 1.0 x)) (sqrt (/ (- 1.0 x) (+ 1.0 x))) (atan (sqrt (/ (- 1.0 x) (+ 1.0 x)))) (* 2.0 (atan (sqrt (/ (- 1.0 x) (+ 1.0 x))))) x)
2.431 * * * * [regimes]: Trying to branch on (/ (- 1.0 x) (+ 1.0 x)) from (#<alt (λ (x) (* 2.0 (atan (sqrt (* (sqrt (- 1.0 x)) (/ (sqrt (- 1.0 x)) (+ 1.0 x)))))))> #<alt (λ (x) (* 2.0 (atan (sqrt (/ (- 1.0 x) (+ 1.0 x))))))>)
2.453 * * * * [regimes]: Trying to branch on (sqrt (/ (- 1.0 x) (+ 1.0 x))) from (#<alt (λ (x) (* 2.0 (atan (sqrt (* (sqrt (- 1.0 x)) (/ (sqrt (- 1.0 x)) (+ 1.0 x)))))))> #<alt (λ (x) (* 2.0 (atan (sqrt (/ (- 1.0 x) (+ 1.0 x))))))>)
2.479 * * * * [regimes]: Trying to branch on (atan (sqrt (/ (- 1.0 x) (+ 1.0 x)))) from (#<alt (λ (x) (* 2.0 (atan (sqrt (* (sqrt (- 1.0 x)) (/ (sqrt (- 1.0 x)) (+ 1.0 x)))))))> #<alt (λ (x) (* 2.0 (atan (sqrt (/ (- 1.0 x) (+ 1.0 x))))))>)
2.510 * * * * [regimes]: Trying to branch on (* 2.0 (atan (sqrt (/ (- 1.0 x) (+ 1.0 x))))) from (#<alt (λ (x) (* 2.0 (atan (sqrt (* (sqrt (- 1.0 x)) (/ (sqrt (- 1.0 x)) (+ 1.0 x)))))))> #<alt (λ (x) (* 2.0 (atan (sqrt (/ (- 1.0 x) (+ 1.0 x))))))>)
2.538 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x) (* 2.0 (atan (sqrt (* (sqrt (- 1.0 x)) (/ (sqrt (- 1.0 x)) (+ 1.0 x)))))))> #<alt (λ (x) (* 2.0 (atan (sqrt (/ (- 1.0 x) (+ 1.0 x))))))>)
2.565 * * * [regime]: Found split indices: #<option (#s(si 1 255))>
2.566 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (* 2.0 (atan (sqrt (/ (- 1.0 x) (+ 1.0 x)))))
2.566 * * [simplify]: iteration  0 :  9  enodes  (cost  11 )
2.566 * * [simplify]: iteration  1 :  11  enodes  (cost  11 )
2.567 * * [simplify]: iteration  done :  11  enodes  (cost  11 )
2.567 * [simplify]: Simplified to:
   (* 2.0 (atan (sqrt (/ (- 1.0 x) (+ 1.0 x)))))
3.803 * [regime-testing]: End program error score: 0.014626828353544194