6.168 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.015 * * * [progress]: [2/2] Setting up program.
0.016 * [progress]: [Phase 2 of 3] Improving.
0.017 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (- (/ 1.0 (+ x 1.0)) (/ 1.0 x))
0.017 * * [simplify]: iteration  0 :  6  enodes  (cost  9 )
0.018 * * [simplify]: iteration  1 :  9  enodes  (cost  9 )
0.019 * * [simplify]: iteration  2 :  12  enodes  (cost  9 )
0.020 * * [simplify]: iteration  done :  12  enodes  (cost  9 )
0.020 * [simplify]: Simplified to:
   (- (/ 1.0 (+ x 1.0)) (/ 1.0 x))
0.021 * * [progress]: iteration 1 / 4
0.021 * * * [progress]: picking best candidate
0.022 * * * * [pick]: Picked  #<alt (λ (x) (- (/ 1.0 (+ x 1.0)) (/ 1.0 x)))>
0.022 * * * [progress]: localizing error
0.027 * * * [progress]: generating rewritten candidates
0.027 * * * * [progress]: [ 1 / 2 ] rewriting at (2)
0.063 * * * * [progress]: [ 2 / 2 ] rewriting at (2 1)
0.073 * * * [progress]: generating series expansions
0.073 * * * * [progress]: [ 1 / 2 ] generating series at (2)
0.073 * [approximate]: Taking taylor expansion of (- (* 1.0 (/ 1 (+ x 1.0))) (* 1.0 (/ 1 x))) in (x) around 0
0.073 * [taylor]: Taking taylor expansion of (- (* 1.0 (/ 1 (+ x 1.0))) (* 1.0 (/ 1 x))) in x
0.073 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 (+ x 1.0))) in x
0.073 * [taylor]: Taking taylor expansion of 1.0 in x
0.073 * [taylor]: Taking taylor expansion of (/ 1 (+ x 1.0)) in x
0.073 * [taylor]: Taking taylor expansion of (+ x 1.0) in x
0.073 * [taylor]: Taking taylor expansion of x in x
0.073 * [taylor]: Taking taylor expansion of 1.0 in x
0.074 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 x)) in x
0.074 * [taylor]: Taking taylor expansion of 1.0 in x
0.074 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.074 * [taylor]: Taking taylor expansion of x in x
0.074 * [taylor]: Taking taylor expansion of (- (* 1.0 (/ 1 (+ x 1.0))) (* 1.0 (/ 1 x))) in x
0.074 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 (+ x 1.0))) in x
0.074 * [taylor]: Taking taylor expansion of 1.0 in x
0.074 * [taylor]: Taking taylor expansion of (/ 1 (+ x 1.0)) in x
0.074 * [taylor]: Taking taylor expansion of (+ x 1.0) in x
0.074 * [taylor]: Taking taylor expansion of x in x
0.074 * [taylor]: Taking taylor expansion of 1.0 in x
0.075 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 x)) in x
0.075 * [taylor]: Taking taylor expansion of 1.0 in x
0.075 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.075 * [taylor]: Taking taylor expansion of x in x
0.084 * [approximate]: Taking taylor expansion of (- (* 1.0 (/ 1 (+ 1.0 (/ 1 x)))) (* 1.0 x)) in (x) around 0
0.084 * [taylor]: Taking taylor expansion of (- (* 1.0 (/ 1 (+ 1.0 (/ 1 x)))) (* 1.0 x)) in x
0.084 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 (+ 1.0 (/ 1 x)))) in x
0.084 * [taylor]: Taking taylor expansion of 1.0 in x
0.084 * [taylor]: Taking taylor expansion of (/ 1 (+ 1.0 (/ 1 x))) in x
0.084 * [taylor]: Taking taylor expansion of (+ 1.0 (/ 1 x)) in x
0.084 * [taylor]: Taking taylor expansion of 1.0 in x
0.084 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.084 * [taylor]: Taking taylor expansion of x in x
0.085 * [taylor]: Taking taylor expansion of (* 1.0 x) in x
0.085 * [taylor]: Taking taylor expansion of 1.0 in x
0.085 * [taylor]: Taking taylor expansion of x in x
0.085 * [taylor]: Taking taylor expansion of (- (* 1.0 (/ 1 (+ 1.0 (/ 1 x)))) (* 1.0 x)) in x
0.085 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 (+ 1.0 (/ 1 x)))) in x
0.085 * [taylor]: Taking taylor expansion of 1.0 in x
0.085 * [taylor]: Taking taylor expansion of (/ 1 (+ 1.0 (/ 1 x))) in x
0.085 * [taylor]: Taking taylor expansion of (+ 1.0 (/ 1 x)) in x
0.085 * [taylor]: Taking taylor expansion of 1.0 in x
0.085 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.085 * [taylor]: Taking taylor expansion of x in x
0.085 * [taylor]: Taking taylor expansion of (* 1.0 x) in x
0.085 * [taylor]: Taking taylor expansion of 1.0 in x
0.086 * [taylor]: Taking taylor expansion of x in x
0.106 * [approximate]: Taking taylor expansion of (+ (* 1.0 (/ 1 (- 1.0 (/ 1 x)))) (* 1.0 x)) in (x) around 0
0.106 * [taylor]: Taking taylor expansion of (+ (* 1.0 (/ 1 (- 1.0 (/ 1 x)))) (* 1.0 x)) in x
0.106 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 (- 1.0 (/ 1 x)))) in x
0.106 * [taylor]: Taking taylor expansion of 1.0 in x
0.106 * [taylor]: Taking taylor expansion of (/ 1 (- 1.0 (/ 1 x))) in x
0.106 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 x)) in x
0.106 * [taylor]: Taking taylor expansion of 1.0 in x
0.106 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.106 * [taylor]: Taking taylor expansion of x in x
0.107 * [taylor]: Taking taylor expansion of (* 1.0 x) in x
0.107 * [taylor]: Taking taylor expansion of 1.0 in x
0.107 * [taylor]: Taking taylor expansion of x in x
0.107 * [taylor]: Taking taylor expansion of (+ (* 1.0 (/ 1 (- 1.0 (/ 1 x)))) (* 1.0 x)) in x
0.107 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 (- 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 (- 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 (* 1.0 x) in x
0.108 * [taylor]: Taking taylor expansion of 1.0 in x
0.108 * [taylor]: Taking taylor expansion of x in x
0.129 * * * * [progress]: [ 2 / 2 ] generating series at (2 1)
0.129 * [approximate]: Taking taylor expansion of (/ 1.0 (+ x 1.0)) in (x) around 0
0.129 * [taylor]: Taking taylor expansion of (/ 1.0 (+ x 1.0)) in x
0.129 * [taylor]: Taking taylor expansion of 1.0 in x
0.129 * [taylor]: Taking taylor expansion of (+ x 1.0) in x
0.129 * [taylor]: Taking taylor expansion of x in x
0.129 * [taylor]: Taking taylor expansion of 1.0 in x
0.130 * [taylor]: Taking taylor expansion of (/ 1.0 (+ x 1.0)) in x
0.130 * [taylor]: Taking taylor expansion of 1.0 in x
0.130 * [taylor]: Taking taylor expansion of (+ x 1.0) in x
0.130 * [taylor]: Taking taylor expansion of x in x
0.130 * [taylor]: Taking taylor expansion of 1.0 in x
0.136 * [approximate]: Taking taylor expansion of (/ 1.0 (+ 1.0 (/ 1 x))) in (x) around 0
0.136 * [taylor]: Taking taylor expansion of (/ 1.0 (+ 1.0 (/ 1 x))) in x
0.136 * [taylor]: Taking taylor expansion of 1.0 in x
0.136 * [taylor]: Taking taylor expansion of (+ 1.0 (/ 1 x)) in x
0.136 * [taylor]: Taking taylor expansion of 1.0 in x
0.136 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.136 * [taylor]: Taking taylor expansion of x in x
0.137 * [taylor]: Taking taylor expansion of (/ 1.0 (+ 1.0 (/ 1 x))) in x
0.137 * [taylor]: Taking taylor expansion of 1.0 in x
0.137 * [taylor]: Taking taylor expansion of (+ 1.0 (/ 1 x)) in x
0.137 * [taylor]: Taking taylor expansion of 1.0 in x
0.137 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.137 * [taylor]: Taking taylor expansion of x in x
0.144 * [approximate]: Taking taylor expansion of (/ 1.0 (- 1.0 (/ 1 x))) in (x) around 0
0.145 * [taylor]: Taking taylor expansion of (/ 1.0 (- 1.0 (/ 1 x))) in x
0.145 * [taylor]: Taking taylor expansion of 1.0 in x
0.145 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 x)) in x
0.145 * [taylor]: Taking taylor expansion of 1.0 in x
0.145 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.145 * [taylor]: Taking taylor expansion of x in x
0.146 * [taylor]: Taking taylor expansion of (/ 1.0 (- 1.0 (/ 1 x))) in x
0.146 * [taylor]: Taking taylor expansion of 1.0 in x
0.146 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 x)) in x
0.146 * [taylor]: Taking taylor expansion of 1.0 in x
0.146 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.146 * [taylor]: Taking taylor expansion of x in x
0.159 * * * [progress]: simplifying candidates
0.160 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (/ (exp (/ 1.0 (+ x 1.0))) (exp (/ 1.0 x)))
  (log (- (/ 1.0 (+ x 1.0)) (/ 1.0 x)))
  (exp (- (/ 1.0 (+ x 1.0)) (/ 1.0 x)))
  (* (cbrt (- (/ 1.0 (+ x 1.0)) (/ 1.0 x))) (cbrt (- (/ 1.0 (+ x 1.0)) (/ 1.0 x))))
  (cbrt (- (/ 1.0 (+ x 1.0)) (/ 1.0 x)))
  (* (* (- (/ 1.0 (+ x 1.0)) (/ 1.0 x)) (- (/ 1.0 (+ x 1.0)) (/ 1.0 x))) (- (/ 1.0 (+ x 1.0)) (/ 1.0 x)))
  (sqrt (- (/ 1.0 (+ x 1.0)) (/ 1.0 x)))
  (sqrt (- (/ 1.0 (+ x 1.0)) (/ 1.0 x)))
  (- (* 1.0 x) (* (+ x 1.0) 1.0))
  (* (+ x 1.0) x)
  (- (pow (/ 1.0 (+ x 1.0)) 3) (pow (/ 1.0 x) 3))
  (+ (* (/ 1.0 (+ x 1.0)) (/ 1.0 (+ x 1.0))) (+ (* (/ 1.0 x) (/ 1.0 x)) (* (/ 1.0 (+ x 1.0)) (/ 1.0 x))))
  (- (/ 1.0 x))
  (- (* (/ 1.0 (+ x 1.0)) (/ 1.0 (+ x 1.0))) (* (/ 1.0 x) (/ 1.0 x)))
  (+ (/ 1.0 (+ x 1.0)) (/ 1.0 x))
  (+ (sqrt (/ 1.0 (+ x 1.0))) (sqrt (/ 1.0 x)))
  (- (sqrt (/ 1.0 (+ x 1.0))) (sqrt (/ 1.0 x)))
  (+ (sqrt (/ 1.0 (+ x 1.0))) (/ (sqrt 1.0) (sqrt x)))
  (- (sqrt (/ 1.0 (+ x 1.0))) (/ (sqrt 1.0) (sqrt x)))
  (+ (/ (sqrt 1.0) (sqrt (+ x 1.0))) (sqrt (/ 1.0 x)))
  (- (/ (sqrt 1.0) (sqrt (+ x 1.0))) (sqrt (/ 1.0 x)))
  (+ (/ (sqrt 1.0) (sqrt (+ x 1.0))) (/ (sqrt 1.0) (sqrt x)))
  (- (/ (sqrt 1.0) (sqrt (+ x 1.0))) (/ (sqrt 1.0) (sqrt x)))
  (- (/ (cbrt 1.0) (+ x 1.0)) (/ (cbrt 1.0) x))
  (- (/ (cbrt 1.0) (+ x 1.0)) (/ (cbrt 1.0) x))
  (- (/ (sqrt 1.0) (+ x 1.0)) (/ (sqrt 1.0) x))
  (- (/ (sqrt 1.0) (+ x 1.0)) (/ (sqrt 1.0) x))
  (- (/ 1.0 (+ x 1.0)) (/ 1.0 x))
  (- (/ 1.0 (+ x 1.0)) (/ 1.0 x))
  (- (/ 1.0 (+ x 1.0)) (/ 1.0 x))
  (- (/ 1 (+ x 1.0)) (/ 1 x))
  (- (/ 1.0 x))
  (- (log 1.0) (log (+ x 1.0)))
  (log (/ 1.0 (+ x 1.0)))
  (exp (/ 1.0 (+ x 1.0)))
  (/ (* (* 1.0 1.0) 1.0) (* (* (+ x 1.0) (+ x 1.0)) (+ x 1.0)))
  (* (cbrt (/ 1.0 (+ x 1.0))) (cbrt (/ 1.0 (+ x 1.0))))
  (cbrt (/ 1.0 (+ x 1.0)))
  (* (* (/ 1.0 (+ x 1.0)) (/ 1.0 (+ x 1.0))) (/ 1.0 (+ x 1.0)))
  (sqrt (/ 1.0 (+ x 1.0)))
  (sqrt (/ 1.0 (+ x 1.0)))
  (- 1.0)
  (- (+ x 1.0))
  (/ (* (cbrt 1.0) (cbrt 1.0)) (* (cbrt (+ x 1.0)) (cbrt (+ x 1.0))))
  (/ (cbrt 1.0) (cbrt (+ x 1.0)))
  (/ (* (cbrt 1.0) (cbrt 1.0)) (sqrt (+ x 1.0)))
  (/ (cbrt 1.0) (sqrt (+ x 1.0)))
  (/ (* (cbrt 1.0) (cbrt 1.0)) 1)
  (/ (cbrt 1.0) (+ x 1.0))
  (/ (* (cbrt 1.0) (cbrt 1.0)) 1)
  (/ (cbrt 1.0) (+ x 1.0))
  (/ (sqrt 1.0) (* (cbrt (+ x 1.0)) (cbrt (+ x 1.0))))
  (/ (sqrt 1.0) (cbrt (+ x 1.0)))
  (/ (sqrt 1.0) (sqrt (+ x 1.0)))
  (/ (sqrt 1.0) (sqrt (+ x 1.0)))
  (/ (sqrt 1.0) 1)
  (/ (sqrt 1.0) (+ x 1.0))
  (/ (sqrt 1.0) 1)
  (/ (sqrt 1.0) (+ x 1.0))
  (/ 1 (* (cbrt (+ x 1.0)) (cbrt (+ x 1.0))))
  (/ 1.0 (cbrt (+ x 1.0)))
  (/ 1 (sqrt (+ x 1.0)))
  (/ 1.0 (sqrt (+ x 1.0)))
  (/ 1 1)
  (/ 1.0 (+ x 1.0))
  (/ 1 1)
  (/ 1.0 (+ x 1.0))
  (/ 1 (+ x 1.0))
  (/ (+ x 1.0) 1.0)
  (/ 1.0 (* (cbrt (+ x 1.0)) (cbrt (+ x 1.0))))
  (/ 1.0 (sqrt (+ x 1.0)))
  (/ 1.0 1)
  (/ 1.0 1)
  (/ (+ x 1.0) (cbrt 1.0))
  (/ (+ x 1.0) (sqrt 1.0))
  (/ (+ x 1.0) 1.0)
  (/ 1.0 (+ (pow x 3) (pow 1.0 3)))
  (/ 1.0 (- (* x x) (* 1.0 1.0)))
  (- 1.0 (+ (* 1.0 x) (* 1.0 (/ 1 x))))
  (- (* 1.0 (/ 1 (pow x 3))) (+ (* 1.0 (/ 1 (pow x 2))) (* 1.0 (/ 1 (pow x 4)))))
  (- (* 1.0 (/ 1 (pow x 3))) (+ (* 1.0 (/ 1 (pow x 2))) (* 1.0 (/ 1 (pow x 4)))))
  (- (+ (* 1.0 (pow x 2)) 1.0) (* 1.0 x))
  (- (+ (* 1.0 (/ 1 x)) (* 1.0 (/ 1 (pow x 3)))) (* 1.0 (/ 1 (pow x 2))))
  (- (+ (* 1.0 (/ 1 x)) (* 1.0 (/ 1 (pow x 3)))) (* 1.0 (/ 1 (pow x 2))))
0.164 * * [simplify]: iteration  0 :  120  enodes  (cost  810 )
0.190 * * [simplify]: iteration  1 :  266  enodes  (cost  766 )
0.276 * * [simplify]: iteration  2 :  633  enodes  (cost  722 )
0.530 * * [simplify]: iteration  3 :  1663  enodes  (cost  718 )
1.481 * * [simplify]: iteration  done :  5000  enodes  (cost  716 )
1.481 * [simplify]: Simplified to:
   (exp (- (/ 1.0 (+ x 1.0)) (/ 1.0 x)))
  (log (- (/ 1.0 (+ x 1.0)) (/ 1.0 x)))
  (exp (- (/ 1.0 (+ x 1.0)) (/ 1.0 x)))
  (* (cbrt (- (/ 1.0 (+ x 1.0)) (/ 1.0 x))) (cbrt (- (/ 1.0 (+ x 1.0)) (/ 1.0 x))))
  (cbrt (- (/ 1.0 (+ x 1.0)) (/ 1.0 x)))
  (pow (- (/ 1.0 (+ x 1.0)) (/ 1.0 x)) 3)
  (sqrt (- (/ 1.0 (+ x 1.0)) (/ 1.0 x)))
  (sqrt (- (/ 1.0 (+ x 1.0)) (/ 1.0 x)))
  (* 1.0 (- x (+ x 1.0)))
  (* (+ x 1.0) x)
  (- (pow (/ 1.0 (+ x 1.0)) 3) (pow (/ 1.0 x) 3))
  (+ (/ (* 1.0 1.0) (pow x 2)) (* (/ 1.0 (+ x 1.0)) (+ (/ 1.0 (+ x 1.0)) (/ 1.0 x))))
  (- (/ 1.0 x))
  (* 1.0 (- (/ 1.0 (* (+ x 1.0) (+ x 1.0))) (/ (/ 1.0 x) x)))
  (+ (/ 1.0 (+ x 1.0)) (/ 1.0 x))
  (+ (sqrt (/ 1.0 (+ x 1.0))) (sqrt (/ 1.0 x)))
  (- (sqrt (/ 1.0 (+ x 1.0))) (sqrt (/ 1.0 x)))
  (+ (sqrt (/ 1.0 (+ x 1.0))) (/ (sqrt 1.0) (sqrt x)))
  (- (sqrt (/ 1.0 (+ x 1.0))) (/ (sqrt 1.0) (sqrt x)))
  (+ (/ (sqrt 1.0) (sqrt (+ x 1.0))) (sqrt (/ 1.0 x)))
  (- (/ (sqrt 1.0) (sqrt (+ x 1.0))) (sqrt (/ 1.0 x)))
  (+ (/ (sqrt 1.0) (sqrt (+ x 1.0))) (/ (sqrt 1.0) (sqrt x)))
  (- (/ (sqrt 1.0) (sqrt (+ x 1.0))) (/ (sqrt 1.0) (sqrt x)))
  (- (/ (cbrt 1.0) (+ x 1.0)) (/ (cbrt 1.0) x))
  (- (/ (cbrt 1.0) (+ x 1.0)) (/ (cbrt 1.0) x))
  (- (/ (sqrt 1.0) (+ x 1.0)) (/ (sqrt 1.0) x))
  (- (/ (sqrt 1.0) (+ x 1.0)) (/ (sqrt 1.0) x))
  (- (/ 1.0 (+ x 1.0)) (/ 1.0 x))
  (- (/ 1.0 (+ x 1.0)) (/ 1.0 x))
  (- (/ 1.0 (+ x 1.0)) (/ 1.0 x))
  (- (/ 1 (+ x 1.0)) (/ 1 x))
  (- (/ 1.0 x))
  (log (/ 1.0 (+ x 1.0)))
  (log (/ 1.0 (+ x 1.0)))
  (exp (/ 1.0 (+ x 1.0)))
  (pow (/ 1.0 (+ x 1.0)) 3)
  (* (cbrt (/ 1.0 (+ x 1.0))) (cbrt (/ 1.0 (+ x 1.0))))
  (cbrt (/ 1.0 (+ x 1.0)))
  (pow (/ 1.0 (+ x 1.0)) 3)
  (sqrt (/ 1.0 (+ x 1.0)))
  (sqrt (/ 1.0 (+ x 1.0)))
  (- 1.0)
  (- (+ x 1.0))
  (/ (* (cbrt 1.0) (cbrt 1.0)) (* (cbrt (+ x 1.0)) (cbrt (+ x 1.0))))
  (/ (cbrt 1.0) (cbrt (+ x 1.0)))
  (/ (* (cbrt 1.0) (cbrt 1.0)) (sqrt (+ x 1.0)))
  (/ (cbrt 1.0) (sqrt (+ x 1.0)))
  (* (cbrt 1.0) (cbrt 1.0))
  (/ (cbrt 1.0) (+ x 1.0))
  (* (cbrt 1.0) (cbrt 1.0))
  (/ (cbrt 1.0) (+ x 1.0))
  (/ (sqrt 1.0) (* (cbrt (+ x 1.0)) (cbrt (+ x 1.0))))
  (/ (sqrt 1.0) (cbrt (+ x 1.0)))
  (/ (sqrt 1.0) (sqrt (+ x 1.0)))
  (/ (sqrt 1.0) (sqrt (+ x 1.0)))
  (sqrt 1.0)
  (/ (sqrt 1.0) (+ x 1.0))
  (sqrt 1.0)
  (/ (sqrt 1.0) (+ x 1.0))
  (/ 1 (* (cbrt (+ x 1.0)) (cbrt (+ x 1.0))))
  (/ 1.0 (cbrt (+ x 1.0)))
  (/ 1 (sqrt (+ x 1.0)))
  (/ 1.0 (sqrt (+ x 1.0)))
  1
  (/ 1.0 (+ x 1.0))
  1
  (/ 1.0 (+ x 1.0))
  (/ 1 (+ x 1.0))
  (/ (+ x 1.0) 1.0)
  (/ 1.0 (* (cbrt (+ x 1.0)) (cbrt (+ x 1.0))))
  (/ 1.0 (sqrt (+ x 1.0)))
  1.0
  1.0
  (/ (+ x 1.0) (cbrt 1.0))
  (/ (+ x 1.0) (sqrt 1.0))
  (/ (+ x 1.0) 1.0)
  (/ 1.0 (+ (pow x 3) (pow 1.0 3)))
  (/ 1.0 (- (* x x) (* 1.0 1.0)))
  (- 1.0 (* 1.0 (+ x (/ 1 x))))
  (- (- (/ 1.0 (pow x 3)) (/ 1.0 (* x x))) (/ 1.0 (pow x 4)))
  (- (- (/ 1.0 (pow x 3)) (/ 1.0 (* x x))) (/ 1.0 (pow x 4)))
  (* 1.0 (- (+ (pow x 2) 1) x))
  (+ (/ 1.0 x) (- (/ 1.0 (pow x 3)) (/ 1.0 (* x x))))
  (+ (/ 1.0 x) (- (/ 1.0 (pow x 3)) (/ 1.0 (* x x))))
1.482 * * * [progress]: adding candidates to table
1.596 * * [progress]: iteration 2 / 4
1.596 * * * [progress]: picking best candidate
1.600 * * * * [pick]: Picked  #<alt (λ (x) (/ (* 1.0 (- x (+ x 1.0))) (* (+ x 1.0) x)))>
1.600 * * * [progress]: localizing error
1.607 * * * [progress]: generating rewritten candidates
1.607 * * * * [progress]: [ 1 / 3 ] rewriting at (2 1 2)
1.614 * * * * [progress]: [ 2 / 3 ] rewriting at (2)
1.631 * * * * [progress]: [ 3 / 3 ] rewriting at (2 2)
1.643 * * * [progress]: generating series expansions
1.643 * * * * [progress]: [ 1 / 3 ] generating series at (2 1 2)
1.643 * [approximate]: Taking taylor expansion of (- 1.0) in (x) around 0
1.643 * [taylor]: Taking taylor expansion of (- 1.0) in x
1.643 * [taylor]: Taking taylor expansion of 1.0 in x
1.643 * [taylor]: Taking taylor expansion of (- 1.0) in x
1.643 * [taylor]: Taking taylor expansion of 1.0 in x
1.645 * [approximate]: Taking taylor expansion of (- 1.0) in (x) around 0
1.646 * [taylor]: Taking taylor expansion of (- 1.0) in x
1.646 * [taylor]: Taking taylor expansion of 1.0 in x
1.646 * [taylor]: Taking taylor expansion of (- 1.0) in x
1.646 * [taylor]: Taking taylor expansion of 1.0 in x
1.648 * [approximate]: Taking taylor expansion of (- 1.0) in (x) around 0
1.648 * [taylor]: Taking taylor expansion of (- 1.0) in x
1.648 * [taylor]: Taking taylor expansion of 1.0 in x
1.648 * [taylor]: Taking taylor expansion of (- 1.0) in x
1.648 * [taylor]: Taking taylor expansion of 1.0 in x
1.650 * * * * [progress]: [ 2 / 3 ] generating series at (2)
1.650 * [approximate]: Taking taylor expansion of (/ -1.0 (* x (+ x 1.0))) in (x) around 0
1.650 * [taylor]: Taking taylor expansion of (/ -1.0 (* x (+ x 1.0))) in x
1.650 * [taylor]: Taking taylor expansion of -1.0 in x
1.650 * [taylor]: Taking taylor expansion of (* x (+ x 1.0)) in x
1.650 * [taylor]: Taking taylor expansion of x in x
1.650 * [taylor]: Taking taylor expansion of (+ x 1.0) in x
1.650 * [taylor]: Taking taylor expansion of x in x
1.650 * [taylor]: Taking taylor expansion of 1.0 in x
1.652 * [taylor]: Taking taylor expansion of (/ -1.0 (* x (+ x 1.0))) in x
1.652 * [taylor]: Taking taylor expansion of -1.0 in x
1.652 * [taylor]: Taking taylor expansion of (* x (+ x 1.0)) in x
1.652 * [taylor]: Taking taylor expansion of x in x
1.652 * [taylor]: Taking taylor expansion of (+ x 1.0) in x
1.652 * [taylor]: Taking taylor expansion of x in x
1.652 * [taylor]: Taking taylor expansion of 1.0 in x
1.661 * [approximate]: Taking taylor expansion of (* -1.0 (/ x (+ 1.0 (/ 1 x)))) in (x) around 0
1.661 * [taylor]: Taking taylor expansion of (* -1.0 (/ x (+ 1.0 (/ 1 x)))) in x
1.661 * [taylor]: Taking taylor expansion of -1.0 in x
1.661 * [taylor]: Taking taylor expansion of (/ x (+ 1.0 (/ 1 x))) in x
1.661 * [taylor]: Taking taylor expansion of x in x
1.661 * [taylor]: Taking taylor expansion of (+ 1.0 (/ 1 x)) in x
1.661 * [taylor]: Taking taylor expansion of 1.0 in x
1.661 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.661 * [taylor]: Taking taylor expansion of x in x
1.662 * [taylor]: Taking taylor expansion of (* -1.0 (/ x (+ 1.0 (/ 1 x)))) in x
1.662 * [taylor]: Taking taylor expansion of -1.0 in x
1.662 * [taylor]: Taking taylor expansion of (/ x (+ 1.0 (/ 1 x))) in x
1.662 * [taylor]: Taking taylor expansion of x in x
1.662 * [taylor]: Taking taylor expansion of (+ 1.0 (/ 1 x)) in x
1.662 * [taylor]: Taking taylor expansion of 1.0 in x
1.662 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.662 * [taylor]: Taking taylor expansion of x in x
1.673 * [approximate]: Taking taylor expansion of (* 1.0 (/ x (- 1.0 (/ 1 x)))) in (x) around 0
1.673 * [taylor]: Taking taylor expansion of (* 1.0 (/ x (- 1.0 (/ 1 x)))) in x
1.673 * [taylor]: Taking taylor expansion of 1.0 in x
1.673 * [taylor]: Taking taylor expansion of (/ x (- 1.0 (/ 1 x))) in x
1.673 * [taylor]: Taking taylor expansion of x in x
1.673 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 x)) in x
1.673 * [taylor]: Taking taylor expansion of 1.0 in x
1.673 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.673 * [taylor]: Taking taylor expansion of x in x
1.674 * [taylor]: Taking taylor expansion of (* 1.0 (/ x (- 1.0 (/ 1 x)))) in x
1.674 * [taylor]: Taking taylor expansion of 1.0 in x
1.674 * [taylor]: Taking taylor expansion of (/ x (- 1.0 (/ 1 x))) in x
1.674 * [taylor]: Taking taylor expansion of x in x
1.674 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 x)) in x
1.674 * [taylor]: Taking taylor expansion of 1.0 in x
1.674 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.674 * [taylor]: Taking taylor expansion of x in x
1.686 * * * * [progress]: [ 3 / 3 ] generating series at (2 2)
1.686 * [approximate]: Taking taylor expansion of (* x (+ x 1.0)) in (x) around 0
1.686 * [taylor]: Taking taylor expansion of (* x (+ x 1.0)) in x
1.686 * [taylor]: Taking taylor expansion of x in x
1.686 * [taylor]: Taking taylor expansion of (+ x 1.0) in x
1.686 * [taylor]: Taking taylor expansion of x in x
1.686 * [taylor]: Taking taylor expansion of 1.0 in x
1.686 * [taylor]: Taking taylor expansion of (* x (+ x 1.0)) in x
1.686 * [taylor]: Taking taylor expansion of x in x
1.686 * [taylor]: Taking taylor expansion of (+ x 1.0) in x
1.686 * [taylor]: Taking taylor expansion of x in x
1.686 * [taylor]: Taking taylor expansion of 1.0 in x
1.695 * [approximate]: Taking taylor expansion of (/ (+ 1.0 (/ 1 x)) x) in (x) around 0
1.695 * [taylor]: Taking taylor expansion of (/ (+ 1.0 (/ 1 x)) x) in x
1.695 * [taylor]: Taking taylor expansion of (+ 1.0 (/ 1 x)) in x
1.695 * [taylor]: Taking taylor expansion of 1.0 in x
1.695 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.695 * [taylor]: Taking taylor expansion of x in x
1.696 * [taylor]: Taking taylor expansion of x in x
1.696 * [taylor]: Taking taylor expansion of (/ (+ 1.0 (/ 1 x)) x) in x
1.696 * [taylor]: Taking taylor expansion of (+ 1.0 (/ 1 x)) in x
1.696 * [taylor]: Taking taylor expansion of 1.0 in x
1.696 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.696 * [taylor]: Taking taylor expansion of x in x
1.697 * [taylor]: Taking taylor expansion of x in x
1.707 * [approximate]: Taking taylor expansion of (* -1 (/ (- 1.0 (/ 1 x)) x)) in (x) around 0
1.707 * [taylor]: Taking taylor expansion of (* -1 (/ (- 1.0 (/ 1 x)) x)) in x
1.707 * [taylor]: Taking taylor expansion of -1 in x
1.707 * [taylor]: Taking taylor expansion of (/ (- 1.0 (/ 1 x)) x) in x
1.707 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 x)) in x
1.707 * [taylor]: Taking taylor expansion of 1.0 in x
1.707 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.707 * [taylor]: Taking taylor expansion of x in x
1.707 * [taylor]: Taking taylor expansion of x in x
1.708 * [taylor]: Taking taylor expansion of (* -1 (/ (- 1.0 (/ 1 x)) x)) in x
1.708 * [taylor]: Taking taylor expansion of -1 in x
1.708 * [taylor]: Taking taylor expansion of (/ (- 1.0 (/ 1 x)) x) in x
1.708 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 x)) in x
1.708 * [taylor]: Taking taylor expansion of 1.0 in x
1.708 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.708 * [taylor]: Taking taylor expansion of x in x
1.713 * [taylor]: Taking taylor expansion of x in x
1.733 * * * [progress]: simplifying candidates
1.734 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (/ (exp x) (* (exp x) (exp 1.0)))
  (/ (exp x) (exp (+ x 1.0)))
  (log (- x (+ x 1.0)))
  (exp (- x (+ x 1.0)))
  (* (cbrt (- x (+ x 1.0))) (cbrt (- x (+ x 1.0))))
  (cbrt (- x (+ x 1.0)))
  (* (* (- x (+ x 1.0)) (- x (+ x 1.0))) (- x (+ x 1.0)))
  (sqrt (- x (+ x 1.0)))
  (sqrt (- x (+ x 1.0)))
  (- (pow x 3) (pow (+ x 1.0) 3))
  (+ (* x x) (+ (* (+ x 1.0) (+ x 1.0)) (* x (+ x 1.0))))
  (- (+ x 1.0))
  (- (* x x) (* (+ x 1.0) (+ x 1.0)))
  (+ x (+ x 1.0))
  (+ (sqrt x) (sqrt (+ x 1.0)))
  (- (sqrt x) (sqrt (+ x 1.0)))
  (- x (+ x 1.0))
  (- x (+ x 1.0))
  (- x x)
  (- (+ x 1.0))
  (- (+ (log 1.0) (log (- x (+ x 1.0)))) (+ (log (+ x 1.0)) (log x)))
  (- (+ (log 1.0) (log (- x (+ x 1.0)))) (log (* (+ x 1.0) x)))
  (- (log (* 1.0 (- x (+ x 1.0)))) (+ (log (+ x 1.0)) (log x)))
  (- (log (* 1.0 (- x (+ x 1.0)))) (log (* (+ x 1.0) x)))
  (log (/ (* 1.0 (- x (+ x 1.0))) (* (+ x 1.0) x)))
  (exp (/ (* 1.0 (- x (+ x 1.0))) (* (+ x 1.0) x)))
  (/ (* (* (* 1.0 1.0) 1.0) (* (* (- x (+ x 1.0)) (- x (+ x 1.0))) (- x (+ x 1.0)))) (* (* (* (+ x 1.0) (+ x 1.0)) (+ x 1.0)) (* (* x x) x)))
  (/ (* (* (* 1.0 1.0) 1.0) (* (* (- x (+ x 1.0)) (- x (+ x 1.0))) (- x (+ x 1.0)))) (* (* (* (+ x 1.0) x) (* (+ x 1.0) x)) (* (+ x 1.0) x)))
  (/ (* (* (* 1.0 (- x (+ x 1.0))) (* 1.0 (- x (+ x 1.0)))) (* 1.0 (- x (+ x 1.0)))) (* (* (* (+ x 1.0) (+ x 1.0)) (+ x 1.0)) (* (* x x) x)))
  (/ (* (* (* 1.0 (- x (+ x 1.0))) (* 1.0 (- x (+ x 1.0)))) (* 1.0 (- x (+ x 1.0)))) (* (* (* (+ x 1.0) x) (* (+ x 1.0) x)) (* (+ x 1.0) x)))
  (* (cbrt (/ (* 1.0 (- x (+ x 1.0))) (* (+ x 1.0) x))) (cbrt (/ (* 1.0 (- x (+ x 1.0))) (* (+ x 1.0) x))))
  (cbrt (/ (* 1.0 (- x (+ x 1.0))) (* (+ x 1.0) x)))
  (* (* (/ (* 1.0 (- x (+ x 1.0))) (* (+ x 1.0) x)) (/ (* 1.0 (- x (+ x 1.0))) (* (+ x 1.0) x))) (/ (* 1.0 (- x (+ x 1.0))) (* (+ x 1.0) x)))
  (sqrt (/ (* 1.0 (- x (+ x 1.0))) (* (+ x 1.0) x)))
  (sqrt (/ (* 1.0 (- x (+ x 1.0))) (* (+ x 1.0) x)))
  (- (* 1.0 (- x (+ x 1.0))))
  (- (* (+ x 1.0) x))
  (/ 1.0 (+ x 1.0))
  (/ (- x (+ x 1.0)) x)
  (/ 1 (* (+ x 1.0) x))
  (/ (* (+ x 1.0) x) (* 1.0 (- x (+ x 1.0))))
  (/ (* 1.0 (- x (+ x 1.0))) (+ x 1.0))
  (/ (* (+ x 1.0) x) (- x (+ x 1.0)))
  (/ (* 1.0 (- x (+ x 1.0))) (* (+ (pow x 3) (pow 1.0 3)) x))
  (/ (* 1.0 (- x (+ x 1.0))) (* (- (* x x) (* 1.0 1.0)) x))
  (* (* (+ x 1.0) x) (+ (* x x) (+ (* (+ x 1.0) (+ x 1.0)) (* x (+ x 1.0)))))
  (* (* (+ x 1.0) x) (+ x (+ x 1.0)))
  (* (+ x 1.0) x)
  (+ (log (+ x 1.0)) (log x))
  (log (* (+ x 1.0) x))
  (exp (* (+ x 1.0) x))
  (* (* (* (+ x 1.0) (+ x 1.0)) (+ x 1.0)) (* (* x x) x))
  (* (cbrt (* (+ x 1.0) x)) (cbrt (* (+ x 1.0) x)))
  (cbrt (* (+ x 1.0) x))
  (* (* (* (+ x 1.0) x) (* (+ x 1.0) x)) (* (+ x 1.0) x))
  (sqrt (* (+ x 1.0) x))
  (sqrt (* (+ x 1.0) x))
  (* (sqrt (+ x 1.0)) (sqrt x))
  (* (sqrt (+ x 1.0)) (sqrt x))
  (* (+ x 1.0) (* (cbrt x) (cbrt x)))
  (* (+ x 1.0) (sqrt x))
  (* (+ x 1.0) 1)
  (* (cbrt (+ x 1.0)) x)
  (* (sqrt (+ x 1.0)) x)
  (* (+ x 1.0) x)
  (* (+ x 1.0) x)
  (* (+ (pow x 3) (pow 1.0 3)) x)
  (* (- (* x x) (* 1.0 1.0)) x)
  (- 1.0)
  (- 1.0)
  (- 1.0)
  (- 1.0 (+ (* 1.0 x) (* 1.0 (/ 1 x))))
  (- (* 1.0 (/ 1 (pow x 3))) (+ (* 1.0 (/ 1 (pow x 2))) (* 1.0 (/ 1 (pow x 4)))))
  (- (* 1.0 (/ 1 (pow x 3))) (+ (* 1.0 (/ 1 (pow x 2))) (* 1.0 (/ 1 (pow x 4)))))
  (+ (pow x 2) (* 1.0 x))
  (+ (pow x 2) (* 1.0 x))
  (+ (pow x 2) (* 1.0 x))
1.738 * * [simplify]: iteration  0 :  119  enodes  (cost  903 )
1.764 * * [simplify]: iteration  1 :  344  enodes  (cost  743 )
1.935 * * [simplify]: iteration  2 :  1671  enodes  (cost  591 )
2.555 * * [simplify]: iteration  done :  5000  enodes  (cost  591 )
2.555 * [simplify]: Simplified to:
   (exp (- 1.0))
  (exp (- 1.0))
  (log (- 1.0))
  (exp (- 1.0))
  (* (cbrt (- 1.0)) (cbrt (- 1.0)))
  (cbrt (- 1.0))
  (pow (- 1.0) 3)
  (sqrt (- 1.0))
  (sqrt (- 1.0))
  (- (pow x 3) (pow (+ x 1.0) 3))
  (+ (* x x) (* (+ x 1.0) (+ x (+ x 1.0))))
  (- (+ x 1.0))
  (* (- 1.0) (+ x (+ x 1.0)))
  (+ x (+ x 1.0))
  (+ (sqrt x) (sqrt (+ x 1.0)))
  (- (sqrt x) (sqrt (+ x 1.0)))
  (- 1.0)
  (- 1.0)
  0
  (- (+ x 1.0))
  (log (/ (* 1.0 (- 1.0)) (* x (+ x 1.0))))
  (log (/ (* 1.0 (- 1.0)) (* x (+ x 1.0))))
  (log (/ (* 1.0 (- 1.0)) (* x (+ x 1.0))))
  (log (/ (* 1.0 (- 1.0)) (* x (+ x 1.0))))
  (log (/ (* 1.0 (- 1.0)) (* x (+ x 1.0))))
  (exp (/ (* 1.0 (- 1.0)) (* x (+ x 1.0))))
  (pow (/ (* 1.0 (- 1.0)) (* x (+ x 1.0))) 3)
  (pow (/ (* 1.0 (- 1.0)) (* x (+ x 1.0))) 3)
  (pow (/ (* 1.0 (- 1.0)) (* x (+ x 1.0))) 3)
  (pow (/ (* 1.0 (- 1.0)) (* x (+ x 1.0))) 3)
  (* (cbrt (/ (* 1.0 (- 1.0)) (* x (+ x 1.0)))) (cbrt (/ (* 1.0 (- 1.0)) (* x (+ x 1.0)))))
  (cbrt (/ (* 1.0 (- 1.0)) (* x (+ x 1.0))))
  (pow (/ (* 1.0 (- 1.0)) (* x (+ x 1.0))) 3)
  (sqrt (/ (* 1.0 (- 1.0)) (* x (+ x 1.0))))
  (sqrt (/ (* 1.0 (- 1.0)) (* x (+ x 1.0))))
  (- (* 1.0 (- 1.0)))
  (- (* (+ x 1.0) x))
  (/ 1.0 (+ x 1.0))
  (/ (- 1.0) x)
  (/ 1 (* (+ x 1.0) x))
  (* (/ (+ x 1.0) 1.0) (/ x (- 1.0)))
  (* (/ 1.0 (+ x 1.0)) (- 1.0))
  (* x (/ (+ x 1.0) (- 1.0)))
  (* (/ (- 1.0) x) (/ 1.0 (+ (pow x 3) (pow 1.0 3))))
  (/ (* 1.0 (- 1.0)) (* (- (* x x) (* 1.0 1.0)) x))
  (* (+ (* x x) (* (+ x 1.0) (+ x (+ x 1.0)))) (* x (+ x 1.0)))
  (* (* (+ x 1.0) x) (+ x (+ x 1.0)))
  (* x (+ x 1.0))
  (log (* (+ x 1.0) x))
  (log (* (+ x 1.0) x))
  (exp (* (+ x 1.0) x))
  (pow (* x (+ x 1.0)) 3)
  (* (cbrt (* (+ x 1.0) x)) (cbrt (* (+ x 1.0) x)))
  (cbrt (* (+ x 1.0) x))
  (pow (* x (+ x 1.0)) 3)
  (sqrt (* (+ x 1.0) x))
  (sqrt (* (+ x 1.0) x))
  (* (sqrt (+ x 1.0)) (sqrt x))
  (* (sqrt (+ x 1.0)) (sqrt x))
  (* (+ x 1.0) (* (cbrt x) (cbrt x)))
  (* (+ x 1.0) (sqrt x))
  (+ x 1.0)
  (* (cbrt (+ x 1.0)) x)
  (* (sqrt (+ x 1.0)) x)
  (* x (+ x 1.0))
  (* x (+ x 1.0))
  (* (+ (pow x 3) (pow 1.0 3)) x)
  (* (- (* x x) (* 1.0 1.0)) x)
  (- 1.0)
  (- 1.0)
  (- 1.0)
  (- 1.0 (* 1.0 (+ x (/ 1 x))))
  (- (- (/ 1.0 (pow x 3)) (/ 1.0 (pow x 4))) (/ (/ 1.0 x) x))
  (- (- (/ 1.0 (pow x 3)) (/ 1.0 (pow x 4))) (/ (/ 1.0 x) x))
  (* x (+ x 1.0))
  (* x (+ x 1.0))
  (* x (+ x 1.0))
2.556 * * * [progress]: adding candidates to table
2.667 * * [progress]: iteration 3 / 4
2.667 * * * [progress]: picking best candidate
2.673 * * * * [pick]: Picked  #<alt (λ (x) (/ (* (/ 1.0 (+ x 1.0)) (- 1.0)) x))>
2.673 * * * [progress]: localizing error
2.679 * * * [progress]: generating rewritten candidates
2.679 * * * * [progress]: [ 1 / 2 ] rewriting at (2)
2.687 * * * * [progress]: [ 2 / 2 ] rewriting at (2 1 1)
2.694 * * * [progress]: generating series expansions
2.694 * * * * [progress]: [ 1 / 2 ] generating series at (2)
2.695 * [approximate]: Taking taylor expansion of (/ -1.0 (* x (+ x 1.0))) in (x) around 0
2.695 * [taylor]: Taking taylor expansion of (/ -1.0 (* x (+ x 1.0))) in x
2.695 * [taylor]: Taking taylor expansion of -1.0 in x
2.695 * [taylor]: Taking taylor expansion of (* x (+ x 1.0)) in x
2.695 * [taylor]: Taking taylor expansion of x in x
2.695 * [taylor]: Taking taylor expansion of (+ x 1.0) in x
2.695 * [taylor]: Taking taylor expansion of x in x
2.695 * [taylor]: Taking taylor expansion of 1.0 in x
2.701 * [taylor]: Taking taylor expansion of (/ -1.0 (* x (+ x 1.0))) in x
2.702 * [taylor]: Taking taylor expansion of -1.0 in x
2.702 * [taylor]: Taking taylor expansion of (* x (+ x 1.0)) in x
2.702 * [taylor]: Taking taylor expansion of x in x
2.702 * [taylor]: Taking taylor expansion of (+ x 1.0) in x
2.702 * [taylor]: Taking taylor expansion of x in x
2.702 * [taylor]: Taking taylor expansion of 1.0 in x
2.711 * [approximate]: Taking taylor expansion of (* -1.0 (/ x (+ 1.0 (/ 1 x)))) in (x) around 0
2.711 * [taylor]: Taking taylor expansion of (* -1.0 (/ x (+ 1.0 (/ 1 x)))) in x
2.711 * [taylor]: Taking taylor expansion of -1.0 in x
2.711 * [taylor]: Taking taylor expansion of (/ x (+ 1.0 (/ 1 x))) in x
2.711 * [taylor]: Taking taylor expansion of x in x
2.711 * [taylor]: Taking taylor expansion of (+ 1.0 (/ 1 x)) in x
2.711 * [taylor]: Taking taylor expansion of 1.0 in x
2.711 * [taylor]: Taking taylor expansion of (/ 1 x) in x
2.711 * [taylor]: Taking taylor expansion of x in x
2.711 * [taylor]: Taking taylor expansion of (* -1.0 (/ x (+ 1.0 (/ 1 x)))) in x
2.712 * [taylor]: Taking taylor expansion of -1.0 in x
2.712 * [taylor]: Taking taylor expansion of (/ x (+ 1.0 (/ 1 x))) in x
2.712 * [taylor]: Taking taylor expansion of x in x
2.712 * [taylor]: Taking taylor expansion of (+ 1.0 (/ 1 x)) in x
2.712 * [taylor]: Taking taylor expansion of 1.0 in x
2.712 * [taylor]: Taking taylor expansion of (/ 1 x) in x
2.712 * [taylor]: Taking taylor expansion of x in x
2.722 * [approximate]: Taking taylor expansion of (* 1.0 (/ x (- 1.0 (/ 1 x)))) in (x) around 0
2.722 * [taylor]: Taking taylor expansion of (* 1.0 (/ x (- 1.0 (/ 1 x)))) in x
2.722 * [taylor]: Taking taylor expansion of 1.0 in x
2.722 * [taylor]: Taking taylor expansion of (/ x (- 1.0 (/ 1 x))) in x
2.722 * [taylor]: Taking taylor expansion of x in x
2.722 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 x)) in x
2.722 * [taylor]: Taking taylor expansion of 1.0 in x
2.722 * [taylor]: Taking taylor expansion of (/ 1 x) in x
2.722 * [taylor]: Taking taylor expansion of x in x
2.723 * [taylor]: Taking taylor expansion of (* 1.0 (/ x (- 1.0 (/ 1 x)))) in x
2.723 * [taylor]: Taking taylor expansion of 1.0 in x
2.723 * [taylor]: Taking taylor expansion of (/ x (- 1.0 (/ 1 x))) in x
2.724 * [taylor]: Taking taylor expansion of x in x
2.724 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 x)) in x
2.724 * [taylor]: Taking taylor expansion of 1.0 in x
2.724 * [taylor]: Taking taylor expansion of (/ 1 x) in x
2.724 * [taylor]: Taking taylor expansion of x in x
2.736 * * * * [progress]: [ 2 / 2 ] generating series at (2 1 1)
2.736 * [approximate]: Taking taylor expansion of (/ 1.0 (+ x 1.0)) in (x) around 0
2.736 * [taylor]: Taking taylor expansion of (/ 1.0 (+ x 1.0)) in x
2.736 * [taylor]: Taking taylor expansion of 1.0 in x
2.736 * [taylor]: Taking taylor expansion of (+ x 1.0) in x
2.736 * [taylor]: Taking taylor expansion of x in x
2.736 * [taylor]: Taking taylor expansion of 1.0 in x
2.736 * [taylor]: Taking taylor expansion of (/ 1.0 (+ x 1.0)) in x
2.736 * [taylor]: Taking taylor expansion of 1.0 in x
2.736 * [taylor]: Taking taylor expansion of (+ x 1.0) in x
2.736 * [taylor]: Taking taylor expansion of x in x
2.736 * [taylor]: Taking taylor expansion of 1.0 in x
2.743 * [approximate]: Taking taylor expansion of (/ 1.0 (+ 1.0 (/ 1 x))) in (x) around 0
2.743 * [taylor]: Taking taylor expansion of (/ 1.0 (+ 1.0 (/ 1 x))) in x
2.743 * [taylor]: Taking taylor expansion of 1.0 in x
2.743 * [taylor]: Taking taylor expansion of (+ 1.0 (/ 1 x)) in x
2.743 * [taylor]: Taking taylor expansion of 1.0 in x
2.743 * [taylor]: Taking taylor expansion of (/ 1 x) in x
2.743 * [taylor]: Taking taylor expansion of x in x
2.744 * [taylor]: Taking taylor expansion of (/ 1.0 (+ 1.0 (/ 1 x))) in x
2.744 * [taylor]: Taking taylor expansion of 1.0 in x
2.744 * [taylor]: Taking taylor expansion of (+ 1.0 (/ 1 x)) in x
2.744 * [taylor]: Taking taylor expansion of 1.0 in x
2.744 * [taylor]: Taking taylor expansion of (/ 1 x) in x
2.744 * [taylor]: Taking taylor expansion of x in x
2.751 * [approximate]: Taking taylor expansion of (/ 1.0 (- 1.0 (/ 1 x))) in (x) around 0
2.751 * [taylor]: Taking taylor expansion of (/ 1.0 (- 1.0 (/ 1 x))) in x
2.751 * [taylor]: Taking taylor expansion of 1.0 in x
2.751 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 x)) in x
2.751 * [taylor]: Taking taylor expansion of 1.0 in x
2.751 * [taylor]: Taking taylor expansion of (/ 1 x) in x
2.751 * [taylor]: Taking taylor expansion of x in x
2.752 * [taylor]: Taking taylor expansion of (/ 1.0 (- 1.0 (/ 1 x))) in x
2.752 * [taylor]: Taking taylor expansion of 1.0 in x
2.752 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 x)) in x
2.752 * [taylor]: Taking taylor expansion of 1.0 in x
2.752 * [taylor]: Taking taylor expansion of (/ 1 x) in x
2.752 * [taylor]: Taking taylor expansion of x in x
2.761 * * * [progress]: simplifying candidates
2.762 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (- (+ (- (log 1.0) (log (+ x 1.0))) (log (- 1.0))) (log x))
  (- (+ (log (/ 1.0 (+ x 1.0))) (log (- 1.0))) (log x))
  (- (log (* (/ 1.0 (+ x 1.0)) (- 1.0))) (log x))
  (log (/ (* (/ 1.0 (+ x 1.0)) (- 1.0)) x))
  (exp (/ (* (/ 1.0 (+ x 1.0)) (- 1.0)) x))
  (/ (* (/ (* (* 1.0 1.0) 1.0) (* (* (+ x 1.0) (+ x 1.0)) (+ x 1.0))) (* (* (- 1.0) (- 1.0)) (- 1.0))) (* (* x x) x))
  (/ (* (* (* (/ 1.0 (+ x 1.0)) (/ 1.0 (+ x 1.0))) (/ 1.0 (+ x 1.0))) (* (* (- 1.0) (- 1.0)) (- 1.0))) (* (* x x) x))
  (/ (* (* (* (/ 1.0 (+ x 1.0)) (- 1.0)) (* (/ 1.0 (+ x 1.0)) (- 1.0))) (* (/ 1.0 (+ x 1.0)) (- 1.0))) (* (* x x) x))
  (* (cbrt (/ (* (/ 1.0 (+ x 1.0)) (- 1.0)) x)) (cbrt (/ (* (/ 1.0 (+ x 1.0)) (- 1.0)) x)))
  (cbrt (/ (* (/ 1.0 (+ x 1.0)) (- 1.0)) x))
  (* (* (/ (* (/ 1.0 (+ x 1.0)) (- 1.0)) x) (/ (* (/ 1.0 (+ x 1.0)) (- 1.0)) x)) (/ (* (/ 1.0 (+ x 1.0)) (- 1.0)) x))
  (sqrt (/ (* (/ 1.0 (+ x 1.0)) (- 1.0)) x))
  (sqrt (/ (* (/ 1.0 (+ x 1.0)) (- 1.0)) x))
  (- (* (/ 1.0 (+ x 1.0)) (- 1.0)))
  (- x)
  (/ (/ 1.0 (+ x 1.0)) (* (cbrt x) (cbrt x)))
  (/ (- 1.0) (cbrt x))
  (/ (/ 1.0 (+ x 1.0)) (sqrt x))
  (/ (- 1.0) (sqrt x))
  (/ (/ 1.0 (+ x 1.0)) 1)
  (/ (- 1.0) x)
  (/ 1 x)
  (/ x (* (/ 1.0 (+ x 1.0)) (- 1.0)))
  (/ (* (/ 1.0 (+ x 1.0)) 1.0) x)
  (/ (* (/ 1.0 (+ x 1.0)) (- 1.0)) (* (cbrt x) (cbrt x)))
  (/ (* (/ 1.0 (+ x 1.0)) (- 1.0)) (sqrt x))
  (/ (* (/ 1.0 (+ x 1.0)) (- 1.0)) 1)
  (/ x (- 1.0))
  (* x (+ x 1.0))
  (- (log 1.0) (log (+ x 1.0)))
  (log (/ 1.0 (+ x 1.0)))
  (exp (/ 1.0 (+ x 1.0)))
  (/ (* (* 1.0 1.0) 1.0) (* (* (+ x 1.0) (+ x 1.0)) (+ x 1.0)))
  (* (cbrt (/ 1.0 (+ x 1.0))) (cbrt (/ 1.0 (+ x 1.0))))
  (cbrt (/ 1.0 (+ x 1.0)))
  (* (* (/ 1.0 (+ x 1.0)) (/ 1.0 (+ x 1.0))) (/ 1.0 (+ x 1.0)))
  (sqrt (/ 1.0 (+ x 1.0)))
  (sqrt (/ 1.0 (+ x 1.0)))
  (- 1.0)
  (- (+ x 1.0))
  (/ (* (cbrt 1.0) (cbrt 1.0)) (* (cbrt (+ x 1.0)) (cbrt (+ x 1.0))))
  (/ (cbrt 1.0) (cbrt (+ x 1.0)))
  (/ (* (cbrt 1.0) (cbrt 1.0)) (sqrt (+ x 1.0)))
  (/ (cbrt 1.0) (sqrt (+ x 1.0)))
  (/ (* (cbrt 1.0) (cbrt 1.0)) 1)
  (/ (cbrt 1.0) (+ x 1.0))
  (/ (* (cbrt 1.0) (cbrt 1.0)) 1)
  (/ (cbrt 1.0) (+ x 1.0))
  (/ (sqrt 1.0) (* (cbrt (+ x 1.0)) (cbrt (+ x 1.0))))
  (/ (sqrt 1.0) (cbrt (+ x 1.0)))
  (/ (sqrt 1.0) (sqrt (+ x 1.0)))
  (/ (sqrt 1.0) (sqrt (+ x 1.0)))
  (/ (sqrt 1.0) 1)
  (/ (sqrt 1.0) (+ x 1.0))
  (/ (sqrt 1.0) 1)
  (/ (sqrt 1.0) (+ x 1.0))
  (/ 1 (* (cbrt (+ x 1.0)) (cbrt (+ x 1.0))))
  (/ 1.0 (cbrt (+ x 1.0)))
  (/ 1 (sqrt (+ x 1.0)))
  (/ 1.0 (sqrt (+ x 1.0)))
  (/ 1 1)
  (/ 1.0 (+ x 1.0))
  (/ 1 1)
  (/ 1.0 (+ x 1.0))
  (/ 1 (+ x 1.0))
  (/ (+ x 1.0) 1.0)
  (/ 1.0 (* (cbrt (+ x 1.0)) (cbrt (+ x 1.0))))
  (/ 1.0 (sqrt (+ x 1.0)))
  (/ 1.0 1)
  (/ 1.0 1)
  (/ (+ x 1.0) (cbrt 1.0))
  (/ (+ x 1.0) (sqrt 1.0))
  (/ (+ x 1.0) 1.0)
  (/ 1.0 (+ (pow x 3) (pow 1.0 3)))
  (/ 1.0 (- (* x x) (* 1.0 1.0)))
  (- 1.0 (+ (* 1.0 x) (* 1.0 (/ 1 x))))
  (- (* 1.0 (/ 1 (pow x 3))) (+ (* 1.0 (/ 1 (pow x 2))) (* 1.0 (/ 1 (pow x 4)))))
  (- (* 1.0 (/ 1 (pow x 3))) (+ (* 1.0 (/ 1 (pow x 2))) (* 1.0 (/ 1 (pow x 4)))))
  (- (+ (* 1.0 (pow x 2)) 1.0) (* 1.0 x))
  (- (+ (* 1.0 (/ 1 x)) (* 1.0 (/ 1 (pow x 3)))) (* 1.0 (/ 1 (pow x 2))))
  (- (+ (* 1.0 (/ 1 x)) (* 1.0 (/ 1 (pow x 3)))) (* 1.0 (/ 1 (pow x 2))))
2.766 * * [simplify]: iteration  0 :  126  enodes  (cost  793 )
2.940 * * [simplify]: iteration  1 :  320  enodes  (cost  736 )
3.093 * * [simplify]: iteration  2 :  1190  enodes  (cost  638 )
3.922 * * [simplify]: iteration  done :  5001  enodes  (cost  638 )
3.923 * [simplify]: Simplified to:
   (log (/ (* (/ 1.0 (+ x 1.0)) (- 1.0)) x))
  (log (/ (* (/ 1.0 (+ x 1.0)) (- 1.0)) x))
  (log (/ (* (/ 1.0 (+ x 1.0)) (- 1.0)) x))
  (log (/ (* (/ 1.0 (+ x 1.0)) (- 1.0)) x))
  (exp (/ (* (/ 1.0 (+ x 1.0)) (- 1.0)) x))
  (pow (/ (* (/ 1.0 (+ x 1.0)) (- 1.0)) x) 3)
  (pow (/ (* (/ 1.0 (+ x 1.0)) (- 1.0)) x) 3)
  (pow (/ (* (/ 1.0 (+ x 1.0)) (- 1.0)) x) 3)
  (* (cbrt (/ (* (/ 1.0 (+ x 1.0)) (- 1.0)) x)) (cbrt (/ (* (/ 1.0 (+ x 1.0)) (- 1.0)) x)))
  (cbrt (/ (* (/ 1.0 (+ x 1.0)) (- 1.0)) x))
  (pow (/ (* (/ 1.0 (+ x 1.0)) (- 1.0)) x) 3)
  (sqrt (/ (* (/ 1.0 (+ x 1.0)) (- 1.0)) x))
  (sqrt (/ (* (/ 1.0 (+ x 1.0)) (- 1.0)) x))
  (* (/ 1.0 (+ x 1.0)) 1.0)
  (- x)
  (/ (/ 1.0 (+ x 1.0)) (* (cbrt x) (cbrt x)))
  (/ (- 1.0) (cbrt x))
  (/ (/ 1.0 (+ x 1.0)) (sqrt x))
  (/ (- 1.0) (sqrt x))
  (/ 1.0 (+ x 1.0))
  (/ (- 1.0) x)
  (/ 1 x)
  (/ x (* (/ 1.0 (+ x 1.0)) (- 1.0)))
  (/ (* (/ 1.0 (+ x 1.0)) 1.0) x)
  (/ (* (/ 1.0 (+ x 1.0)) (- 1.0)) (* (cbrt x) (cbrt x)))
  (/ (* (/ 1.0 (+ x 1.0)) (- 1.0)) (sqrt x))
  (* (/ 1.0 (+ x 1.0)) (- 1.0))
  (/ x (- 1.0))
  (* x (+ x 1.0))
  (log (/ 1.0 (+ x 1.0)))
  (log (/ 1.0 (+ x 1.0)))
  (exp (/ 1.0 (+ x 1.0)))
  (pow (/ 1.0 (+ x 1.0)) 3)
  (* (cbrt (/ 1.0 (+ x 1.0))) (cbrt (/ 1.0 (+ x 1.0))))
  (cbrt (/ 1.0 (+ x 1.0)))
  (pow (/ 1.0 (+ x 1.0)) 3)
  (sqrt (/ 1.0 (+ x 1.0)))
  (sqrt (/ 1.0 (+ x 1.0)))
  (- 1.0)
  (- (+ x 1.0))
  (/ (* (cbrt 1.0) (cbrt 1.0)) (* (cbrt (+ x 1.0)) (cbrt (+ x 1.0))))
  (/ (cbrt 1.0) (cbrt (+ x 1.0)))
  (/ (* (cbrt 1.0) (cbrt 1.0)) (sqrt (+ x 1.0)))
  (/ (cbrt 1.0) (sqrt (+ x 1.0)))
  (* (cbrt 1.0) (cbrt 1.0))
  (/ (cbrt 1.0) (+ x 1.0))
  (* (cbrt 1.0) (cbrt 1.0))
  (/ (cbrt 1.0) (+ x 1.0))
  (/ (sqrt 1.0) (* (cbrt (+ x 1.0)) (cbrt (+ x 1.0))))
  (/ (sqrt 1.0) (cbrt (+ x 1.0)))
  (/ (sqrt 1.0) (sqrt (+ x 1.0)))
  (/ (sqrt 1.0) (sqrt (+ x 1.0)))
  (sqrt 1.0)
  (/ (sqrt 1.0) (+ x 1.0))
  (sqrt 1.0)
  (/ (sqrt 1.0) (+ x 1.0))
  (/ 1 (* (cbrt (+ x 1.0)) (cbrt (+ x 1.0))))
  (/ 1.0 (cbrt (+ x 1.0)))
  (/ 1 (sqrt (+ x 1.0)))
  (/ 1.0 (sqrt (+ x 1.0)))
  1
  (/ 1.0 (+ x 1.0))
  1
  (/ 1.0 (+ x 1.0))
  (/ 1 (+ x 1.0))
  (/ (+ x 1.0) 1.0)
  (/ 1.0 (* (cbrt (+ x 1.0)) (cbrt (+ x 1.0))))
  (/ 1.0 (sqrt (+ x 1.0)))
  1.0
  1.0
  (/ (+ x 1.0) (cbrt 1.0))
  (/ (+ x 1.0) (sqrt 1.0))
  (/ (+ x 1.0) 1.0)
  (/ 1.0 (+ (pow x 3) (pow 1.0 3)))
  (/ 1.0 (- (* x x) (* 1.0 1.0)))
  (- 1.0 (* 1.0 (+ x (/ 1 x))))
  (- (/ 1.0 (pow x 3)) (+ (/ 1.0 (pow x 4)) (/ (/ 1.0 x) x)))
  (- (/ 1.0 (pow x 3)) (+ (/ 1.0 (pow x 4)) (/ (/ 1.0 x) x)))
  (- (+ (* 1.0 (pow x 2)) 1.0) (* 1.0 x))
  (+ (/ 1.0 x) (- (/ 1.0 (pow x 3)) (/ (/ 1.0 x) x)))
  (+ (/ 1.0 x) (- (/ 1.0 (pow x 3)) (/ (/ 1.0 x) x)))
3.923 * * * [progress]: adding candidates to table
4.029 * * [progress]: iteration 4 / 4
4.029 * * * [progress]: picking best candidate
4.034 * * * * [pick]: Picked  #<alt (λ (x) (/ (* 1.0 (- 1.0)) (* x (+ x 1.0))))>
4.034 * * * [progress]: localizing error
4.040 * * * [progress]: generating rewritten candidates
4.040 * * * * [progress]: [ 1 / 2 ] rewriting at (2)
4.047 * * * * [progress]: [ 2 / 2 ] rewriting at (2 2)
4.058 * * * [progress]: generating series expansions
4.058 * * * * [progress]: [ 1 / 2 ] generating series at (2)
4.059 * [approximate]: Taking taylor expansion of (/ -1.0 (* x (+ x 1.0))) in (x) around 0
4.059 * [taylor]: Taking taylor expansion of (/ -1.0 (* x (+ x 1.0))) in x
4.059 * [taylor]: Taking taylor expansion of -1.0 in x
4.059 * [taylor]: Taking taylor expansion of (* x (+ x 1.0)) in x
4.059 * [taylor]: Taking taylor expansion of x in x
4.059 * [taylor]: Taking taylor expansion of (+ x 1.0) in x
4.059 * [taylor]: Taking taylor expansion of x in x
4.059 * [taylor]: Taking taylor expansion of 1.0 in x
4.061 * [taylor]: Taking taylor expansion of (/ -1.0 (* x (+ x 1.0))) in x
4.061 * [taylor]: Taking taylor expansion of -1.0 in x
4.061 * [taylor]: Taking taylor expansion of (* x (+ x 1.0)) in x
4.061 * [taylor]: Taking taylor expansion of x in x
4.061 * [taylor]: Taking taylor expansion of (+ x 1.0) in x
4.061 * [taylor]: Taking taylor expansion of x in x
4.061 * [taylor]: Taking taylor expansion of 1.0 in x
4.070 * [approximate]: Taking taylor expansion of (* -1.0 (/ x (+ 1.0 (/ 1 x)))) in (x) around 0
4.071 * [taylor]: Taking taylor expansion of (* -1.0 (/ x (+ 1.0 (/ 1 x)))) in x
4.071 * [taylor]: Taking taylor expansion of -1.0 in x
4.071 * [taylor]: Taking taylor expansion of (/ x (+ 1.0 (/ 1 x))) in x
4.071 * [taylor]: Taking taylor expansion of x in x
4.071 * [taylor]: Taking taylor expansion of (+ 1.0 (/ 1 x)) in x
4.071 * [taylor]: Taking taylor expansion of 1.0 in x
4.071 * [taylor]: Taking taylor expansion of (/ 1 x) in x
4.071 * [taylor]: Taking taylor expansion of x in x
4.071 * [taylor]: Taking taylor expansion of (* -1.0 (/ x (+ 1.0 (/ 1 x)))) in x
4.071 * [taylor]: Taking taylor expansion of -1.0 in x
4.071 * [taylor]: Taking taylor expansion of (/ x (+ 1.0 (/ 1 x))) in x
4.072 * [taylor]: Taking taylor expansion of x in x
4.072 * [taylor]: Taking taylor expansion of (+ 1.0 (/ 1 x)) in x
4.072 * [taylor]: Taking taylor expansion of 1.0 in x
4.072 * [taylor]: Taking taylor expansion of (/ 1 x) in x
4.072 * [taylor]: Taking taylor expansion of x in x
4.082 * [approximate]: Taking taylor expansion of (* 1.0 (/ x (- 1.0 (/ 1 x)))) in (x) around 0
4.082 * [taylor]: Taking taylor expansion of (* 1.0 (/ x (- 1.0 (/ 1 x)))) in x
4.082 * [taylor]: Taking taylor expansion of 1.0 in x
4.082 * [taylor]: Taking taylor expansion of (/ x (- 1.0 (/ 1 x))) in x
4.082 * [taylor]: Taking taylor expansion of x in x
4.082 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 x)) in x
4.082 * [taylor]: Taking taylor expansion of 1.0 in x
4.082 * [taylor]: Taking taylor expansion of (/ 1 x) in x
4.082 * [taylor]: Taking taylor expansion of x in x
4.083 * [taylor]: Taking taylor expansion of (* 1.0 (/ x (- 1.0 (/ 1 x)))) in x
4.083 * [taylor]: Taking taylor expansion of 1.0 in x
4.083 * [taylor]: Taking taylor expansion of (/ x (- 1.0 (/ 1 x))) in x
4.083 * [taylor]: Taking taylor expansion of x in x
4.083 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 x)) in x
4.083 * [taylor]: Taking taylor expansion of 1.0 in x
4.083 * [taylor]: Taking taylor expansion of (/ 1 x) in x
4.083 * [taylor]: Taking taylor expansion of x in x
4.095 * * * * [progress]: [ 2 / 2 ] generating series at (2 2)
4.095 * [approximate]: Taking taylor expansion of (* x (+ x 1.0)) in (x) around 0
4.095 * [taylor]: Taking taylor expansion of (* x (+ x 1.0)) in x
4.095 * [taylor]: Taking taylor expansion of x in x
4.095 * [taylor]: Taking taylor expansion of (+ x 1.0) in x
4.095 * [taylor]: Taking taylor expansion of x in x
4.095 * [taylor]: Taking taylor expansion of 1.0 in x
4.095 * [taylor]: Taking taylor expansion of (* x (+ x 1.0)) in x
4.095 * [taylor]: Taking taylor expansion of x in x
4.095 * [taylor]: Taking taylor expansion of (+ x 1.0) in x
4.096 * [taylor]: Taking taylor expansion of x in x
4.096 * [taylor]: Taking taylor expansion of 1.0 in x
4.107 * [approximate]: Taking taylor expansion of (/ (+ 1.0 (/ 1 x)) x) in (x) around 0
4.107 * [taylor]: Taking taylor expansion of (/ (+ 1.0 (/ 1 x)) x) in x
4.107 * [taylor]: Taking taylor expansion of (+ 1.0 (/ 1 x)) in x
4.108 * [taylor]: Taking taylor expansion of 1.0 in x
4.108 * [taylor]: Taking taylor expansion of (/ 1 x) in x
4.108 * [taylor]: Taking taylor expansion of x in x
4.108 * [taylor]: Taking taylor expansion of x in x
4.108 * [taylor]: Taking taylor expansion of (/ (+ 1.0 (/ 1 x)) x) in x
4.108 * [taylor]: Taking taylor expansion of (+ 1.0 (/ 1 x)) in x
4.108 * [taylor]: Taking taylor expansion of 1.0 in x
4.108 * [taylor]: Taking taylor expansion of (/ 1 x) in x
4.108 * [taylor]: Taking taylor expansion of x in x
4.109 * [taylor]: Taking taylor expansion of x in x
4.120 * [approximate]: Taking taylor expansion of (* -1 (/ (- 1.0 (/ 1 x)) x)) in (x) around 0
4.120 * [taylor]: Taking taylor expansion of (* -1 (/ (- 1.0 (/ 1 x)) x)) in x
4.120 * [taylor]: Taking taylor expansion of -1 in x
4.120 * [taylor]: Taking taylor expansion of (/ (- 1.0 (/ 1 x)) x) in x
4.120 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 x)) in x
4.120 * [taylor]: Taking taylor expansion of 1.0 in x
4.120 * [taylor]: Taking taylor expansion of (/ 1 x) in x
4.120 * [taylor]: Taking taylor expansion of x in x
4.120 * [taylor]: Taking taylor expansion of x in x
4.121 * [taylor]: Taking taylor expansion of (* -1 (/ (- 1.0 (/ 1 x)) x)) in x
4.121 * [taylor]: Taking taylor expansion of -1 in x
4.121 * [taylor]: Taking taylor expansion of (/ (- 1.0 (/ 1 x)) x) in x
4.121 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 x)) in x
4.121 * [taylor]: Taking taylor expansion of 1.0 in x
4.121 * [taylor]: Taking taylor expansion of (/ 1 x) in x
4.121 * [taylor]: Taking taylor expansion of x in x
4.121 * [taylor]: Taking taylor expansion of x in x
4.140 * * * [progress]: simplifying candidates
4.141 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (- (+ (log 1.0) (log (- 1.0))) (+ (log x) (log (+ x 1.0))))
  (- (+ (log 1.0) (log (- 1.0))) (log (* x (+ x 1.0))))
  (- (log (* 1.0 (- 1.0))) (+ (log x) (log (+ x 1.0))))
  (- (log (* 1.0 (- 1.0))) (log (* x (+ x 1.0))))
  (log (/ (* 1.0 (- 1.0)) (* x (+ x 1.0))))
  (exp (/ (* 1.0 (- 1.0)) (* x (+ x 1.0))))
  (/ (* (* (* 1.0 1.0) 1.0) (* (* (- 1.0) (- 1.0)) (- 1.0))) (* (* (* x x) x) (* (* (+ x 1.0) (+ x 1.0)) (+ x 1.0))))
  (/ (* (* (* 1.0 1.0) 1.0) (* (* (- 1.0) (- 1.0)) (- 1.0))) (* (* (* x (+ x 1.0)) (* x (+ x 1.0))) (* x (+ x 1.0))))
  (/ (* (* (* 1.0 (- 1.0)) (* 1.0 (- 1.0))) (* 1.0 (- 1.0))) (* (* (* x x) x) (* (* (+ x 1.0) (+ x 1.0)) (+ x 1.0))))
  (/ (* (* (* 1.0 (- 1.0)) (* 1.0 (- 1.0))) (* 1.0 (- 1.0))) (* (* (* x (+ x 1.0)) (* x (+ x 1.0))) (* x (+ x 1.0))))
  (* (cbrt (/ (* 1.0 (- 1.0)) (* x (+ x 1.0)))) (cbrt (/ (* 1.0 (- 1.0)) (* x (+ x 1.0)))))
  (cbrt (/ (* 1.0 (- 1.0)) (* x (+ x 1.0))))
  (* (* (/ (* 1.0 (- 1.0)) (* x (+ x 1.0))) (/ (* 1.0 (- 1.0)) (* x (+ x 1.0)))) (/ (* 1.0 (- 1.0)) (* x (+ x 1.0))))
  (sqrt (/ (* 1.0 (- 1.0)) (* x (+ x 1.0))))
  (sqrt (/ (* 1.0 (- 1.0)) (* x (+ x 1.0))))
  (- (* 1.0 (- 1.0)))
  (- (* x (+ x 1.0)))
  (/ 1.0 x)
  (/ (- 1.0) (+ x 1.0))
  (/ 1 (* x (+ x 1.0)))
  (/ (* x (+ x 1.0)) (* 1.0 (- 1.0)))
  (/ (* 1.0 1.0) (* x (+ x 1.0)))
  (/ (* 1.0 (- 1.0)) x)
  (/ (* x (+ x 1.0)) (- 1.0))
  (/ (* 1.0 (- 1.0)) (* x (+ (pow x 3) (pow 1.0 3))))
  (/ (* 1.0 (- 1.0)) (* x (- (* x x) (* 1.0 1.0))))
  (* x (+ x 1.0))
  (+ (log x) (log (+ x 1.0)))
  (log (* x (+ x 1.0)))
  (exp (* x (+ x 1.0)))
  (* (* (* x x) x) (* (* (+ x 1.0) (+ x 1.0)) (+ x 1.0)))
  (* (cbrt (* x (+ x 1.0))) (cbrt (* x (+ x 1.0))))
  (cbrt (* x (+ x 1.0)))
  (* (* (* x (+ x 1.0)) (* x (+ x 1.0))) (* x (+ x 1.0)))
  (sqrt (* x (+ x 1.0)))
  (sqrt (* x (+ x 1.0)))
  (* (sqrt x) (sqrt (+ x 1.0)))
  (* (sqrt x) (sqrt (+ x 1.0)))
  (* x x)
  (* x 1.0)
  (* x x)
  (* 1.0 x)
  (* x (* (cbrt (+ x 1.0)) (cbrt (+ x 1.0))))
  (* x (sqrt (+ x 1.0)))
  (* x 1)
  (* x 1)
  (* (cbrt x) (+ x 1.0))
  (* (sqrt x) (+ x 1.0))
  (* x (+ x 1.0))
  (* x (+ (pow x 3) (pow 1.0 3)))
  (* x (- (* x x) (* 1.0 1.0)))
  (- 1.0 (+ (* 1.0 x) (* 1.0 (/ 1 x))))
  (- (* 1.0 (/ 1 (pow x 3))) (+ (* 1.0 (/ 1 (pow x 2))) (* 1.0 (/ 1 (pow x 4)))))
  (- (* 1.0 (/ 1 (pow x 3))) (+ (* 1.0 (/ 1 (pow x 2))) (* 1.0 (/ 1 (pow x 4)))))
  (+ (pow x 2) (* 1.0 x))
  (+ (pow x 2) (* 1.0 x))
  (+ (pow x 2) (* 1.0 x))
4.144 * * [simplify]: iteration  0 :  97  enodes  (cost  629 )
4.174 * * [simplify]: iteration  1 :  302  enodes  (cost  580 )
4.314 * * [simplify]: iteration  2 :  1365  enodes  (cost  474 )
5.051 * * [simplify]: iteration  done :  5000  enodes  (cost  474 )
5.051 * [simplify]: Simplified to:
   (log (/ (* 1.0 (- 1.0)) (* x (+ x 1.0))))
  (log (/ (* 1.0 (- 1.0)) (* x (+ x 1.0))))
  (log (/ (* 1.0 (- 1.0)) (* x (+ x 1.0))))
  (log (/ (* 1.0 (- 1.0)) (* x (+ x 1.0))))
  (log (/ (* 1.0 (- 1.0)) (* x (+ x 1.0))))
  (exp (/ (* 1.0 (- 1.0)) (* x (+ x 1.0))))
  (pow (/ (* 1.0 (- 1.0)) (* x (+ x 1.0))) 3)
  (pow (/ (* 1.0 (- 1.0)) (* x (+ x 1.0))) 3)
  (pow (/ (* 1.0 (- 1.0)) (* x (+ x 1.0))) 3)
  (pow (/ (* 1.0 (- 1.0)) (* x (+ x 1.0))) 3)
  (* (cbrt (/ (* 1.0 (- 1.0)) (* x (+ x 1.0)))) (cbrt (/ (* 1.0 (- 1.0)) (* x (+ x 1.0)))))
  (cbrt (/ (* 1.0 (- 1.0)) (* x (+ x 1.0))))
  (pow (/ (* 1.0 (- 1.0)) (* x (+ x 1.0))) 3)
  (sqrt (/ (* 1.0 (- 1.0)) (* x (+ x 1.0))))
  (sqrt (/ (* 1.0 (- 1.0)) (* x (+ x 1.0))))
  (* 1.0 1.0)
  (- (* x (+ x 1.0)))
  (/ 1.0 x)
  (/ (- 1.0) (+ x 1.0))
  (/ 1 (* x (+ x 1.0)))
  (/ (* x (+ x 1.0)) (* 1.0 (- 1.0)))
  (/ (* 1.0 1.0) (* x (+ x 1.0)))
  (/ (* 1.0 (- 1.0)) x)
  (* (+ x 1.0) (/ x (- 1.0)))
  (/ (* 1.0 (- 1.0)) (* x (+ (pow x 3) (pow 1.0 3))))
  (/ (* 1.0 (- 1.0)) (* x (- (* x x) (* 1.0 1.0))))
  (* x (+ x 1.0))
  (log (* x (+ x 1.0)))
  (log (* x (+ x 1.0)))
  (exp (* x (+ x 1.0)))
  (pow (* x (+ x 1.0)) 3)
  (* (cbrt (* x (+ x 1.0))) (cbrt (* x (+ x 1.0))))
  (cbrt (* x (+ x 1.0)))
  (pow (* x (+ x 1.0)) 3)
  (sqrt (* x (+ x 1.0)))
  (sqrt (* x (+ x 1.0)))
  (* (sqrt x) (sqrt (+ x 1.0)))
  (* (sqrt x) (sqrt (+ x 1.0)))
  (pow x 2)
  (* x 1.0)
  (pow x 2)
  (* x 1.0)
  (* x (* (cbrt (+ x 1.0)) (cbrt (+ x 1.0))))
  (* x (sqrt (+ x 1.0)))
  x
  x
  (* (cbrt x) (+ x 1.0))
  (* (sqrt x) (+ x 1.0))
  (* x (+ x 1.0))
  (* x (+ (pow x 3) (pow 1.0 3)))
  (* x (- (* x x) (* 1.0 1.0)))
  (- 1.0 (* 1.0 (+ x (/ 1 x))))
  (- (- (/ 1.0 (pow x 3)) (/ 1.0 (pow x 4))) (/ 1.0 (* x x)))
  (- (- (/ 1.0 (pow x 3)) (/ 1.0 (pow x 4))) (/ 1.0 (* x x)))
  (* x (+ x 1.0))
  (* x (+ x 1.0))
  (* x (+ x 1.0))
5.052 * * * [progress]: adding candidates to table
5.130 * [progress]: [Phase 3 of 3] Extracting.
5.130 * * [regime]: Finding splitpoints for: (#<alt (λ (x) (- (/ (/ 1.0 (sqrt (+ x 1.0))) (sqrt (+ x 1.0))) (/ 1.0 x)))> #<alt (λ (x) (/ (* (/ 1.0 (+ x 1.0)) (- 1.0)) x))> #<alt (λ (x) (/ (* 1.0 (- 1.0)) (* (* (cbrt (* x (+ x 1.0))) (cbrt (* x (+ x 1.0)))) (cbrt (* x (+ x 1.0))))))> #<alt (λ (x) (/ (* 1.0 (- 1.0)) (* x (+ x 1.0))))> #<alt (λ (x) (* (/ (* 1.0 (- 1.0)) (* x (+ (pow x 3) (pow 1.0 3)))) (+ (* x x) (- (* 1.0 1.0) (* x 1.0)))))>)
5.131 * * * [regime-changes]: Trying 1 branch expressions: (x)
5.131 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x) (- (/ (/ 1.0 (sqrt (+ x 1.0))) (sqrt (+ x 1.0))) (/ 1.0 x)))> #<alt (λ (x) (/ (* (/ 1.0 (+ x 1.0)) (- 1.0)) x))> #<alt (λ (x) (/ (* 1.0 (- 1.0)) (* (* (cbrt (* x (+ x 1.0))) (cbrt (* x (+ x 1.0)))) (cbrt (* x (+ x 1.0))))))> #<alt (λ (x) (/ (* 1.0 (- 1.0)) (* x (+ x 1.0))))> #<alt (λ (x) (* (/ (* 1.0 (- 1.0)) (* x (+ (pow x 3) (pow 1.0 3)))) (+ (* x x) (- (* 1.0 1.0) (* x 1.0)))))>)
5.147 * * * [regime]: Found split indices: #<option (#s(si 1 255))>
5.147 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (/ (* (/ 1.0 (+ x 1.0)) (- 1.0)) x)
5.148 * * [simplify]: iteration  0 :  7  enodes  (cost  10 )
5.148 * * [simplify]: iteration  1 :  11  enodes  (cost  10 )
5.149 * * [simplify]: iteration  2 :  16  enodes  (cost  10 )
5.149 * * [simplify]: iteration  3 :  18  enodes  (cost  10 )
5.150 * * [simplify]: iteration  done :  18  enodes  (cost  10 )
5.150 * [simplify]: Simplified to:
   (/ (* (/ 1.0 (+ x 1.0)) (- 1.0)) x)
5.681 * [regime-testing]: Baseline error score: 0.07738467308413552
5.682 * [regime-testing]: Oracle error score: 0.013126640830103764
5.683 * [regime-testing]: End program error score: 0.07738467308413552