15.668 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.100 * * * [progress]: [2/2] Setting up program.
0.102 * [progress]: [Phase 2 of 3] Improving.
0.102 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x))))
0.103 * * [simplify]: iteration  0 :  7  enodes  (cost  13 )
0.104 * * [simplify]: iteration  1 :  15  enodes  (cost  13 )
0.106 * * [simplify]: iteration  2 :  25  enodes  (cost  13 )
0.108 * * [simplify]: iteration  3 :  31  enodes  (cost  13 )
0.111 * * [simplify]: iteration  4 :  42  enodes  (cost  13 )
0.116 * * [simplify]: iteration  5 :  52  enodes  (cost  13 )
0.121 * * [simplify]: iteration  6 :  55  enodes  (cost  13 )
0.129 * * [simplify]: iteration  7 :  87  enodes  (cost  13 )
0.143 * * [simplify]: iteration  8 :  120  enodes  (cost  13 )
0.156 * * [simplify]: iteration  9 :  155  enodes  (cost  13 )
0.187 * * [simplify]: iteration  10 :  252  enodes  (cost  13 )
0.238 * * [simplify]: iteration  11 :  382  enodes  (cost  13 )
0.343 * * [simplify]: iteration  12 :  644  enodes  (cost  13 )
0.631 * * [simplify]: iteration  13 :  1526  enodes  (cost  13 )
2.045 * * [simplify]: iteration  done :  5001  enodes  (cost  13 )
2.045 * [simplify]: Simplified to:
   (/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x))))
2.045 * * [progress]: iteration 1 / 4
2.045 * * * [progress]: picking best candidate
2.047 * * * * [pick]: Picked  #<alt (λ (x) (/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x)))))>
2.047 * * * [progress]: localizing error
2.054 * * * [progress]: generating rewritten candidates
2.054 * * * * [progress]: [ 1 / 2 ] rewriting at (2 1)
2.059 * * * * [progress]: [ 2 / 2 ] rewriting at (2)
2.084 * * * [progress]: generating series expansions
2.084 * * * * [progress]: [ 1 / 2 ] generating series at (2 1)
2.084 * [approximate]: Taking taylor expansion of (- (exp x) (exp (- x))) in (x) around 0
2.085 * [taylor]: Taking taylor expansion of (- (exp x) (exp (- x))) in x
2.085 * [taylor]: Taking taylor expansion of (exp x) in x
2.085 * [taylor]: Taking taylor expansion of x in x
2.085 * [taylor]: Taking taylor expansion of (exp (- x)) in x
2.085 * [taylor]: Taking taylor expansion of (- x) in x
2.085 * [taylor]: Taking taylor expansion of x in x
2.085 * [taylor]: Taking taylor expansion of (- (exp x) (exp (- x))) in x
2.085 * [taylor]: Taking taylor expansion of (exp x) in x
2.085 * [taylor]: Taking taylor expansion of x in x
2.085 * [taylor]: Taking taylor expansion of (exp (- x)) in x
2.085 * [taylor]: Taking taylor expansion of (- x) in x
2.085 * [taylor]: Taking taylor expansion of x in x
2.109 * [approximate]: Taking taylor expansion of (- (exp (/ 1 x)) (exp (- (/ 1 x)))) in (x) around 0
2.109 * [taylor]: Taking taylor expansion of (- (exp (/ 1 x)) (exp (- (/ 1 x)))) in x
2.109 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
2.109 * [taylor]: Taking taylor expansion of (/ 1 x) in x
2.109 * [taylor]: Taking taylor expansion of x in x
2.109 * [taylor]: Taking taylor expansion of (exp (- (/ 1 x))) in x
2.109 * [taylor]: Taking taylor expansion of (- (/ 1 x)) in x
2.109 * [taylor]: Taking taylor expansion of (/ 1 x) in x
2.109 * [taylor]: Taking taylor expansion of x in x
2.110 * [taylor]: Taking taylor expansion of (- (exp (/ 1 x)) (exp (- (/ 1 x)))) in x
2.110 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
2.110 * [taylor]: Taking taylor expansion of (/ 1 x) in x
2.110 * [taylor]: Taking taylor expansion of x in x
2.110 * [taylor]: Taking taylor expansion of (exp (- (/ 1 x))) in x
2.110 * [taylor]: Taking taylor expansion of (- (/ 1 x)) in x
2.110 * [taylor]: Taking taylor expansion of (/ 1 x) in x
2.110 * [taylor]: Taking taylor expansion of x in x
2.114 * [approximate]: Taking taylor expansion of (- (exp (/ -1 x)) (exp (/ 1 x))) in (x) around 0
2.114 * [taylor]: Taking taylor expansion of (- (exp (/ -1 x)) (exp (/ 1 x))) in x
2.114 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
2.114 * [taylor]: Taking taylor expansion of (/ -1 x) in x
2.114 * [taylor]: Taking taylor expansion of -1 in x
2.114 * [taylor]: Taking taylor expansion of x in x
2.114 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
2.114 * [taylor]: Taking taylor expansion of (/ 1 x) in x
2.114 * [taylor]: Taking taylor expansion of x in x
2.115 * [taylor]: Taking taylor expansion of (- (exp (/ -1 x)) (exp (/ 1 x))) in x
2.115 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
2.115 * [taylor]: Taking taylor expansion of (/ -1 x) in x
2.115 * [taylor]: Taking taylor expansion of -1 in x
2.115 * [taylor]: Taking taylor expansion of x in x
2.115 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
2.115 * [taylor]: Taking taylor expansion of (/ 1 x) in x
2.115 * [taylor]: Taking taylor expansion of x in x
2.121 * * * * [progress]: [ 2 / 2 ] generating series at (2)
2.121 * [approximate]: Taking taylor expansion of (/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x)))) in (x) around 0
2.121 * [taylor]: Taking taylor expansion of (/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x)))) in x
2.121 * [taylor]: Taking taylor expansion of (- (exp x) (exp (- x))) in x
2.121 * [taylor]: Taking taylor expansion of (exp x) in x
2.121 * [taylor]: Taking taylor expansion of x in x
2.121 * [taylor]: Taking taylor expansion of (exp (- x)) in x
2.121 * [taylor]: Taking taylor expansion of (- x) in x
2.121 * [taylor]: Taking taylor expansion of x in x
2.122 * [taylor]: Taking taylor expansion of (+ (exp x) (exp (- x))) in x
2.122 * [taylor]: Taking taylor expansion of (exp x) in x
2.122 * [taylor]: Taking taylor expansion of x in x
2.122 * [taylor]: Taking taylor expansion of (exp (- x)) in x
2.122 * [taylor]: Taking taylor expansion of (- x) in x
2.122 * [taylor]: Taking taylor expansion of x in x
2.125 * [taylor]: Taking taylor expansion of (/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x)))) in x
2.125 * [taylor]: Taking taylor expansion of (- (exp x) (exp (- x))) in x
2.125 * [taylor]: Taking taylor expansion of (exp x) in x
2.125 * [taylor]: Taking taylor expansion of x in x
2.125 * [taylor]: Taking taylor expansion of (exp (- x)) in x
2.125 * [taylor]: Taking taylor expansion of (- x) in x
2.125 * [taylor]: Taking taylor expansion of x in x
2.125 * [taylor]: Taking taylor expansion of (+ (exp x) (exp (- x))) in x
2.125 * [taylor]: Taking taylor expansion of (exp x) in x
2.126 * [taylor]: Taking taylor expansion of x in x
2.126 * [taylor]: Taking taylor expansion of (exp (- x)) in x
2.126 * [taylor]: Taking taylor expansion of (- x) in x
2.126 * [taylor]: Taking taylor expansion of x in x
2.165 * [approximate]: Taking taylor expansion of (/ (- (exp (/ 1 x)) (exp (- (/ 1 x)))) (+ (exp (/ 1 x)) (exp (- (/ 1 x))))) in (x) around 0
2.165 * [taylor]: Taking taylor expansion of (/ (- (exp (/ 1 x)) (exp (- (/ 1 x)))) (+ (exp (/ 1 x)) (exp (- (/ 1 x))))) in x
2.165 * [taylor]: Taking taylor expansion of (- (exp (/ 1 x)) (exp (- (/ 1 x)))) in x
2.165 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
2.165 * [taylor]: Taking taylor expansion of (/ 1 x) in x
2.165 * [taylor]: Taking taylor expansion of x in x
2.166 * [taylor]: Taking taylor expansion of (exp (- (/ 1 x))) in x
2.166 * [taylor]: Taking taylor expansion of (- (/ 1 x)) in x
2.166 * [taylor]: Taking taylor expansion of (/ 1 x) in x
2.166 * [taylor]: Taking taylor expansion of x in x
2.166 * [taylor]: Taking taylor expansion of (+ (exp (/ 1 x)) (exp (- (/ 1 x)))) in x
2.166 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
2.166 * [taylor]: Taking taylor expansion of (/ 1 x) in x
2.166 * [taylor]: Taking taylor expansion of x in x
2.166 * [taylor]: Taking taylor expansion of (exp (- (/ 1 x))) in x
2.166 * [taylor]: Taking taylor expansion of (- (/ 1 x)) in x
2.166 * [taylor]: Taking taylor expansion of (/ 1 x) in x
2.167 * [taylor]: Taking taylor expansion of x in x
2.167 * [taylor]: Taking taylor expansion of (/ (- (exp (/ 1 x)) (exp (- (/ 1 x)))) (+ (exp (/ 1 x)) (exp (- (/ 1 x))))) in x
2.167 * [taylor]: Taking taylor expansion of (- (exp (/ 1 x)) (exp (- (/ 1 x)))) in x
2.167 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
2.167 * [taylor]: Taking taylor expansion of (/ 1 x) in x
2.167 * [taylor]: Taking taylor expansion of x in x
2.168 * [taylor]: Taking taylor expansion of (exp (- (/ 1 x))) in x
2.168 * [taylor]: Taking taylor expansion of (- (/ 1 x)) in x
2.168 * [taylor]: Taking taylor expansion of (/ 1 x) in x
2.168 * [taylor]: Taking taylor expansion of x in x
2.168 * [taylor]: Taking taylor expansion of (+ (exp (/ 1 x)) (exp (- (/ 1 x)))) in x
2.168 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
2.168 * [taylor]: Taking taylor expansion of (/ 1 x) in x
2.168 * [taylor]: Taking taylor expansion of x in x
2.169 * [taylor]: Taking taylor expansion of (exp (- (/ 1 x))) in x
2.169 * [taylor]: Taking taylor expansion of (- (/ 1 x)) in x
2.169 * [taylor]: Taking taylor expansion of (/ 1 x) in x
2.169 * [taylor]: Taking taylor expansion of x in x
2.178 * [approximate]: Taking taylor expansion of (/ (- (exp (/ -1 x)) (exp (/ 1 x))) (+ (exp (/ 1 x)) (exp (/ -1 x)))) in (x) around 0
2.178 * [taylor]: Taking taylor expansion of (/ (- (exp (/ -1 x)) (exp (/ 1 x))) (+ (exp (/ 1 x)) (exp (/ -1 x)))) in x
2.178 * [taylor]: Taking taylor expansion of (- (exp (/ -1 x)) (exp (/ 1 x))) in x
2.178 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
2.178 * [taylor]: Taking taylor expansion of (/ -1 x) in x
2.178 * [taylor]: Taking taylor expansion of -1 in x
2.178 * [taylor]: Taking taylor expansion of x in x
2.178 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
2.178 * [taylor]: Taking taylor expansion of (/ 1 x) in x
2.178 * [taylor]: Taking taylor expansion of x in x
2.178 * [taylor]: Taking taylor expansion of (+ (exp (/ 1 x)) (exp (/ -1 x))) in x
2.178 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
2.178 * [taylor]: Taking taylor expansion of (/ 1 x) in x
2.178 * [taylor]: Taking taylor expansion of x in x
2.179 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
2.179 * [taylor]: Taking taylor expansion of (/ -1 x) in x
2.179 * [taylor]: Taking taylor expansion of -1 in x
2.179 * [taylor]: Taking taylor expansion of x in x
2.179 * [taylor]: Taking taylor expansion of (/ (- (exp (/ -1 x)) (exp (/ 1 x))) (+ (exp (/ 1 x)) (exp (/ -1 x)))) in x
2.179 * [taylor]: Taking taylor expansion of (- (exp (/ -1 x)) (exp (/ 1 x))) in x
2.179 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
2.179 * [taylor]: Taking taylor expansion of (/ -1 x) in x
2.179 * [taylor]: Taking taylor expansion of -1 in x
2.179 * [taylor]: Taking taylor expansion of x in x
2.180 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
2.180 * [taylor]: Taking taylor expansion of (/ 1 x) in x
2.180 * [taylor]: Taking taylor expansion of x in x
2.180 * [taylor]: Taking taylor expansion of (+ (exp (/ 1 x)) (exp (/ -1 x))) in x
2.180 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
2.180 * [taylor]: Taking taylor expansion of (/ 1 x) in x
2.180 * [taylor]: Taking taylor expansion of x in x
2.180 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
2.180 * [taylor]: Taking taylor expansion of (/ -1 x) in x
2.180 * [taylor]: Taking taylor expansion of -1 in x
2.180 * [taylor]: Taking taylor expansion of x in x
2.188 * * * [progress]: simplifying candidates
2.189 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (/ (exp (exp x)) (exp (exp (- x))))
  (log (- (exp x) (exp (- x))))
  (exp (- (exp x) (exp (- x))))
  (* (cbrt (- (exp x) (exp (- x)))) (cbrt (- (exp x) (exp (- x)))))
  (cbrt (- (exp x) (exp (- x))))
  (* (* (- (exp x) (exp (- x))) (- (exp x) (exp (- x)))) (- (exp x) (exp (- x))))
  (sqrt (- (exp x) (exp (- x))))
  (sqrt (- (exp x) (exp (- x))))
  (- (pow (exp x) 3) (pow (exp (- x)) 3))
  (+ (* (exp x) (exp x)) (+ (* (exp (- x)) (exp (- x))) (* (exp x) (exp (- x)))))
  (- (exp (- x)))
  (- (* (exp x) (exp x)) (* (exp (- x)) (exp (- x))))
  (+ (exp x) (exp (- x)))
  (+ (sqrt (exp x)) (sqrt (exp (- x))))
  (- (sqrt (exp x)) (sqrt (exp (- x))))
  (- (exp x) (exp (- x)))
  (- (exp (- x)))
  (- (log (- (exp x) (exp (- x)))) (log (+ (exp x) (exp (- x)))))
  (log (/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x)))))
  (exp (/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x)))))
  (/ (* (* (- (exp x) (exp (- x))) (- (exp x) (exp (- x)))) (- (exp x) (exp (- x)))) (* (* (+ (exp x) (exp (- x))) (+ (exp x) (exp (- x)))) (+ (exp x) (exp (- x)))))
  (* (cbrt (/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x))))) (cbrt (/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x))))))
  (cbrt (/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x)))))
  (* (* (/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x)))) (/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x))))) (/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x)))))
  (sqrt (/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x)))))
  (sqrt (/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x)))))
  (- (- (exp x) (exp (- x))))
  (- (+ (exp x) (exp (- x))))
  (/ (exp x) (+ (exp x) (exp (- x))))
  (/ (exp (- x)) (+ (exp x) (exp (- x))))
  (/ (* (cbrt (- (exp x) (exp (- x)))) (cbrt (- (exp x) (exp (- x))))) (* (cbrt (+ (exp x) (exp (- x)))) (cbrt (+ (exp x) (exp (- x))))))
  (/ (cbrt (- (exp x) (exp (- x)))) (cbrt (+ (exp x) (exp (- x)))))
  (/ (* (cbrt (- (exp x) (exp (- x)))) (cbrt (- (exp x) (exp (- x))))) (sqrt (+ (exp x) (exp (- x)))))
  (/ (cbrt (- (exp x) (exp (- x)))) (sqrt (+ (exp x) (exp (- x)))))
  (/ (* (cbrt (- (exp x) (exp (- x)))) (cbrt (- (exp x) (exp (- x))))) 1)
  (/ (cbrt (- (exp x) (exp (- x)))) (+ (exp x) (exp (- x))))
  (/ (* (cbrt (- (exp x) (exp (- x)))) (cbrt (- (exp x) (exp (- x))))) 1)
  (/ (cbrt (- (exp x) (exp (- x)))) (+ (exp x) (exp (- x))))
  (/ (sqrt (- (exp x) (exp (- x)))) (* (cbrt (+ (exp x) (exp (- x)))) (cbrt (+ (exp x) (exp (- x))))))
  (/ (sqrt (- (exp x) (exp (- x)))) (cbrt (+ (exp x) (exp (- x)))))
  (/ (sqrt (- (exp x) (exp (- x)))) (sqrt (+ (exp x) (exp (- x)))))
  (/ (sqrt (- (exp x) (exp (- x)))) (sqrt (+ (exp x) (exp (- x)))))
  (/ (sqrt (- (exp x) (exp (- x)))) 1)
  (/ (sqrt (- (exp x) (exp (- x)))) (+ (exp x) (exp (- x))))
  (/ (sqrt (- (exp x) (exp (- x)))) 1)
  (/ (sqrt (- (exp x) (exp (- x)))) (+ (exp x) (exp (- x))))
  (/ 1 (* (cbrt (+ (exp x) (exp (- x)))) (cbrt (+ (exp x) (exp (- x))))))
  (/ (- (exp x) (exp (- x))) (cbrt (+ (exp x) (exp (- x)))))
  (/ 1 (sqrt (+ (exp x) (exp (- x)))))
  (/ (- (exp x) (exp (- x))) (sqrt (+ (exp x) (exp (- x)))))
  (/ 1 1)
  (/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x))))
  (/ 1 1)
  (/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x))))
  (/ (+ (sqrt (exp x)) (sqrt (exp (- x)))) (* (cbrt (+ (exp x) (exp (- x)))) (cbrt (+ (exp x) (exp (- x))))))
  (/ (- (sqrt (exp x)) (sqrt (exp (- x)))) (cbrt (+ (exp x) (exp (- x)))))
  (/ (+ (sqrt (exp x)) (sqrt (exp (- x)))) (sqrt (+ (exp x) (exp (- x)))))
  (/ (- (sqrt (exp x)) (sqrt (exp (- x)))) (sqrt (+ (exp x) (exp (- x)))))
  (/ (+ (sqrt (exp x)) (sqrt (exp (- x)))) 1)
  (/ (- (sqrt (exp x)) (sqrt (exp (- x)))) (+ (exp x) (exp (- x))))
  (/ (+ (sqrt (exp x)) (sqrt (exp (- x)))) 1)
  (/ (- (sqrt (exp x)) (sqrt (exp (- x)))) (+ (exp x) (exp (- x))))
  (/ 1 (* (cbrt (+ (exp x) (exp (- x)))) (cbrt (+ (exp x) (exp (- x))))))
  (/ (- (exp x) (exp (- x))) (cbrt (+ (exp x) (exp (- x)))))
  (/ 1 (sqrt (+ (exp x) (exp (- x)))))
  (/ (- (exp x) (exp (- x))) (sqrt (+ (exp x) (exp (- x)))))
  (/ 1 1)
  (/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x))))
  (/ 1 1)
  (/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x))))
  (/ 1 (+ (exp x) (exp (- x))))
  (/ (+ (exp x) (exp (- x))) (- (exp x) (exp (- x))))
  (/ (- (exp x) (exp (- x))) (* (cbrt (+ (exp x) (exp (- x)))) (cbrt (+ (exp x) (exp (- x))))))
  (/ (- (exp x) (exp (- x))) (sqrt (+ (exp x) (exp (- x)))))
  (/ (- (exp x) (exp (- x))) 1)
  (/ (- (exp x) (exp (- x))) 1)
  (/ (+ (exp x) (exp (- x))) (cbrt (- (exp x) (exp (- x)))))
  (/ (+ (exp x) (exp (- x))) (sqrt (- (exp x) (exp (- x)))))
  (/ (+ (exp x) (exp (- x))) (- (exp x) (exp (- x))))
  (/ (+ (exp x) (exp (- x))) (- (sqrt (exp x)) (sqrt (exp (- x)))))
  (/ (+ (exp x) (exp (- x))) (- (exp x) (exp (- x))))
  (/ (- (exp x) (exp (- x))) (+ (pow (exp x) 3) (pow (exp (- x)) 3)))
  (/ (- (exp x) (exp (- x))) (- (* (exp x) (exp x)) (* (exp (- x)) (exp (- x)))))
  (* (+ (exp x) (exp (- x))) (+ (* (exp x) (exp x)) (+ (* (exp (- x)) (exp (- x))) (* (exp x) (exp (- x))))))
  (* (+ (exp x) (exp (- x))) (+ (exp x) (exp (- x))))
  (+ (* 1/3 (pow x 3)) (+ (* 1/60 (pow x 5)) (* 2 x)))
  (- (exp x) (exp (- x)))
  (- (exp x) (exp (* -1 x)))
  (- (+ x (* 2/15 (pow x 5))) (* 1/3 (pow x 3)))
  (/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x))))
  (/ (- (exp x) (exp (* -1 x))) (+ (exp (* -1 x)) (exp x)))
2.193 * * [simplify]: iteration  0 :  106  enodes  (cost  1228 )
2.213 * * [simplify]: iteration  1 :  250  enodes  (cost  1185 )
2.272 * * [simplify]: iteration  2 :  600  enodes  (cost  1107 )
2.509 * * [simplify]: iteration  3 :  1571  enodes  (cost  1103 )
3.184 * * [simplify]: iteration  done :  5001  enodes  (cost  1101 )
3.184 * [simplify]: Simplified to:
   (exp (- (exp x) (exp (- x))))
  (log (- (exp x) (exp (- x))))
  (exp (- (exp x) (exp (- x))))
  (* (cbrt (- (exp x) (exp (- x)))) (cbrt (- (exp x) (exp (- x)))))
  (cbrt (- (exp x) (exp (- x))))
  (pow (- (exp x) (exp (- x))) 3)
  (sqrt (- (exp x) (exp (- x))))
  (sqrt (- (exp x) (exp (- x))))
  (- (pow (exp x) 3) (exp (* x -3)))
  (+ (+ 1 (exp (+ x x))) (exp (* x -2)))
  (/ -1 (exp x))
  (- (exp (+ x x)) (exp (* x -2)))
  (+ (exp x) (exp (- x)))
  (+ (sqrt (exp x)) (sqrt (exp (- x))))
  (- (sqrt (exp x)) (sqrt (exp (- x))))
  (- (exp x) (exp (- x)))
  (/ -1 (exp x))
  (log (/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x)))))
  (log (/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x)))))
  (exp (/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x)))))
  (pow (/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x)))) 3)
  (* (cbrt (/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x))))) (cbrt (/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x))))))
  (cbrt (/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x)))))
  (pow (/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x)))) 3)
  (sqrt (/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x)))))
  (sqrt (/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x)))))
  (- (exp (- x)) (exp x))
  (- (+ (exp x) (exp (- x))))
  (/ 1 (+ (exp (* x -2)) 1))
  (/ 1 (+ 1 (exp (+ x x))))
  (/ (* (cbrt (- (exp x) (exp (- x)))) (cbrt (- (exp x) (exp (- x))))) (* (cbrt (+ (exp x) (exp (- x)))) (cbrt (+ (exp x) (exp (- x))))))
  (/ (cbrt (- (exp x) (exp (- x)))) (cbrt (+ (exp x) (exp (- x)))))
  (/ (* (cbrt (- (exp x) (exp (- x)))) (cbrt (- (exp x) (exp (- x))))) (sqrt (+ (exp x) (exp (- x)))))
  (/ (cbrt (- (exp x) (exp (- x)))) (sqrt (+ (exp x) (exp (- x)))))
  (* (cbrt (- (exp x) (exp (- x)))) (cbrt (- (exp x) (exp (- x)))))
  (/ (cbrt (- (exp x) (exp (- x)))) (+ (exp x) (exp (- x))))
  (* (cbrt (- (exp x) (exp (- x)))) (cbrt (- (exp x) (exp (- x)))))
  (/ (cbrt (- (exp x) (exp (- x)))) (+ (exp x) (exp (- x))))
  (/ (sqrt (- (exp x) (exp (- x)))) (* (cbrt (+ (exp x) (exp (- x)))) (cbrt (+ (exp x) (exp (- x))))))
  (/ (sqrt (- (exp x) (exp (- x)))) (cbrt (+ (exp x) (exp (- x)))))
  (/ (sqrt (- (exp x) (exp (- x)))) (sqrt (+ (exp x) (exp (- x)))))
  (/ (sqrt (- (exp x) (exp (- x)))) (sqrt (+ (exp x) (exp (- x)))))
  (sqrt (- (exp x) (exp (- x))))
  (/ (sqrt (- (exp x) (exp (- x)))) (+ (exp x) (exp (- x))))
  (sqrt (- (exp x) (exp (- x))))
  (/ (sqrt (- (exp x) (exp (- x)))) (+ (exp x) (exp (- x))))
  (/ 1 (* (cbrt (+ (exp x) (exp (- x)))) (cbrt (+ (exp x) (exp (- x))))))
  (/ (- (exp x) (exp (- x))) (cbrt (+ (exp x) (exp (- x)))))
  (/ 1 (sqrt (+ (exp x) (exp (- x)))))
  (/ (- (exp x) (exp (- x))) (sqrt (+ (exp x) (exp (- x)))))
  1
  (/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x))))
  1
  (/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x))))
  (/ (+ (sqrt (exp x)) (sqrt (exp (- x)))) (* (cbrt (+ (exp x) (exp (- x)))) (cbrt (+ (exp x) (exp (- x))))))
  (/ (- (sqrt (exp x)) (sqrt (exp (- x)))) (cbrt (+ (exp x) (exp (- x)))))
  (/ (+ (sqrt (exp x)) (sqrt (exp (- x)))) (sqrt (+ (exp x) (exp (- x)))))
  (/ (- (sqrt (exp x)) (sqrt (exp (- x)))) (sqrt (+ (exp x) (exp (- x)))))
  (+ (sqrt (exp x)) (sqrt (exp (- x))))
  (/ (- (sqrt (exp x)) (sqrt (exp (- x)))) (+ (exp x) (exp (- x))))
  (+ (sqrt (exp x)) (sqrt (exp (- x))))
  (/ (- (sqrt (exp x)) (sqrt (exp (- x)))) (+ (exp x) (exp (- x))))
  (/ 1 (* (cbrt (+ (exp x) (exp (- x)))) (cbrt (+ (exp x) (exp (- x))))))
  (/ (- (exp x) (exp (- x))) (cbrt (+ (exp x) (exp (- x)))))
  (/ 1 (sqrt (+ (exp x) (exp (- x)))))
  (/ (- (exp x) (exp (- x))) (sqrt (+ (exp x) (exp (- x)))))
  1
  (/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x))))
  1
  (/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x))))
  (/ 1 (+ (exp x) (exp (- x))))
  (/ (+ (exp x) (exp (- x))) (- (exp x) (exp (- x))))
  (/ (- (exp x) (exp (- x))) (* (cbrt (+ (exp x) (exp (- x)))) (cbrt (+ (exp x) (exp (- x))))))
  (/ (- (exp x) (exp (- x))) (sqrt (+ (exp x) (exp (- x)))))
  (- (exp x) (exp (- x)))
  (- (exp x) (exp (- x)))
  (/ (+ (exp x) (exp (- x))) (cbrt (- (exp x) (exp (- x)))))
  (/ (+ (exp x) (exp (- x))) (sqrt (- (exp x) (exp (- x)))))
  (/ (+ (exp x) (exp (- x))) (- (exp x) (exp (- x))))
  (/ (+ (exp x) (exp (- x))) (- (sqrt (exp x)) (sqrt (exp (- x)))))
  (/ (+ (exp x) (exp (- x))) (- (exp x) (exp (- x))))
  (/ (- (exp x) (exp (- x))) (+ (pow (exp x) 3) (exp (* x -3))))
  (/ (- (exp x) (exp (- x))) (- (exp (+ x x)) (exp (* x -2))))
  (* (+ (exp x) (exp (- x))) (+ (+ 1 (exp (+ x x))) (exp (* x -2))))
  (+ (+ (exp (* x -2)) (exp (+ x x))) 2)
  (+ (* 1/3 (pow x 3)) (+ (* 1/60 (pow x 5)) (* 2 x)))
  (- (exp x) (exp (- x)))
  (- (exp x) (exp (- x)))
  (- (+ x (* 2/15 (pow x 5))) (* 1/3 (pow x 3)))
  (/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x))))
  (/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x))))
3.185 * * * [progress]: adding candidates to table
3.300 * * [progress]: iteration 2 / 4
3.300 * * * [progress]: picking best candidate
3.302 * * * * [pick]: Picked  #<alt (λ (x) (tanh x))>
3.303 * * * [progress]: localizing error
3.304 * * * [progress]: generating rewritten candidates
3.304 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
3.305 * * * [progress]: generating series expansions
3.305 * * * * [progress]: [ 1 / 1 ] generating series at (2)
3.305 * [approximate]: Taking taylor expansion of (tanh x) in (x) around 0
3.305 * [taylor]: Taking taylor expansion of (tanh x) in x
3.306 * [taylor]: Rewrote expression to (/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x))))
3.306 * [taylor]: Taking taylor expansion of (- (exp x) (exp (- x))) in x
3.306 * [taylor]: Taking taylor expansion of (exp x) in x
3.306 * [taylor]: Taking taylor expansion of x in x
3.306 * [taylor]: Taking taylor expansion of (exp (- x)) in x
3.306 * [taylor]: Taking taylor expansion of (- x) in x
3.306 * [taylor]: Taking taylor expansion of x in x
3.307 * [taylor]: Taking taylor expansion of (+ (exp x) (exp (- x))) in x
3.307 * [taylor]: Taking taylor expansion of (exp x) in x
3.307 * [taylor]: Taking taylor expansion of x in x
3.307 * [taylor]: Taking taylor expansion of (exp (- x)) in x
3.307 * [taylor]: Taking taylor expansion of (- x) in x
3.307 * [taylor]: Taking taylor expansion of x in x
3.310 * [taylor]: Taking taylor expansion of (tanh x) in x
3.310 * [taylor]: Rewrote expression to (/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x))))
3.310 * [taylor]: Taking taylor expansion of (- (exp x) (exp (- x))) in x
3.310 * [taylor]: Taking taylor expansion of (exp x) in x
3.310 * [taylor]: Taking taylor expansion of x in x
3.310 * [taylor]: Taking taylor expansion of (exp (- x)) in x
3.310 * [taylor]: Taking taylor expansion of (- x) in x
3.310 * [taylor]: Taking taylor expansion of x in x
3.311 * [taylor]: Taking taylor expansion of (+ (exp x) (exp (- x))) in x
3.311 * [taylor]: Taking taylor expansion of (exp x) in x
3.311 * [taylor]: Taking taylor expansion of x in x
3.311 * [taylor]: Taking taylor expansion of (exp (- x)) in x
3.311 * [taylor]: Taking taylor expansion of (- x) in x
3.311 * [taylor]: Taking taylor expansion of x in x
3.350 * [approximate]: Taking taylor expansion of (tanh (/ 1 x)) in (x) around 0
3.350 * [taylor]: Taking taylor expansion of (tanh (/ 1 x)) in x
3.350 * [taylor]: Rewrote expression to (/ (- (exp (/ 1 x)) (exp (- (/ 1 x)))) (+ (exp (/ 1 x)) (exp (- (/ 1 x)))))
3.350 * [taylor]: Taking taylor expansion of (- (exp (/ 1 x)) (exp (- (/ 1 x)))) in x
3.350 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
3.351 * [taylor]: Taking taylor expansion of (/ 1 x) in x
3.351 * [taylor]: Taking taylor expansion of x in x
3.351 * [taylor]: Taking taylor expansion of (exp (- (/ 1 x))) in x
3.351 * [taylor]: Taking taylor expansion of (- (/ 1 x)) in x
3.351 * [taylor]: Taking taylor expansion of (/ 1 x) in x
3.351 * [taylor]: Taking taylor expansion of x in x
3.351 * [taylor]: Taking taylor expansion of (+ (exp (/ 1 x)) (exp (- (/ 1 x)))) in x
3.351 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
3.351 * [taylor]: Taking taylor expansion of (/ 1 x) in x
3.351 * [taylor]: Taking taylor expansion of x in x
3.352 * [taylor]: Taking taylor expansion of (exp (- (/ 1 x))) in x
3.352 * [taylor]: Taking taylor expansion of (- (/ 1 x)) in x
3.352 * [taylor]: Taking taylor expansion of (/ 1 x) in x
3.352 * [taylor]: Taking taylor expansion of x in x
3.353 * [taylor]: Taking taylor expansion of (tanh (/ 1 x)) in x
3.353 * [taylor]: Rewrote expression to (/ (- (exp (/ 1 x)) (exp (- (/ 1 x)))) (+ (exp (/ 1 x)) (exp (- (/ 1 x)))))
3.353 * [taylor]: Taking taylor expansion of (- (exp (/ 1 x)) (exp (- (/ 1 x)))) in x
3.353 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
3.353 * [taylor]: Taking taylor expansion of (/ 1 x) in x
3.353 * [taylor]: Taking taylor expansion of x in x
3.353 * [taylor]: Taking taylor expansion of (exp (- (/ 1 x))) in x
3.353 * [taylor]: Taking taylor expansion of (- (/ 1 x)) in x
3.353 * [taylor]: Taking taylor expansion of (/ 1 x) in x
3.353 * [taylor]: Taking taylor expansion of x in x
3.354 * [taylor]: Taking taylor expansion of (+ (exp (/ 1 x)) (exp (- (/ 1 x)))) in x
3.354 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
3.354 * [taylor]: Taking taylor expansion of (/ 1 x) in x
3.354 * [taylor]: Taking taylor expansion of x in x
3.354 * [taylor]: Taking taylor expansion of (exp (- (/ 1 x))) in x
3.354 * [taylor]: Taking taylor expansion of (- (/ 1 x)) in x
3.354 * [taylor]: Taking taylor expansion of (/ 1 x) in x
3.354 * [taylor]: Taking taylor expansion of x in x
3.366 * [approximate]: Taking taylor expansion of (tanh (/ -1 x)) in (x) around 0
3.366 * [taylor]: Taking taylor expansion of (tanh (/ -1 x)) in x
3.366 * [taylor]: Rewrote expression to (/ (- (exp (/ -1 x)) (exp (- (/ -1 x)))) (+ (exp (/ -1 x)) (exp (- (/ -1 x)))))
3.366 * [taylor]: Taking taylor expansion of (- (exp (/ -1 x)) (exp (- (/ -1 x)))) in x
3.366 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
3.366 * [taylor]: Taking taylor expansion of (/ -1 x) in x
3.366 * [taylor]: Taking taylor expansion of -1 in x
3.366 * [taylor]: Taking taylor expansion of x in x
3.366 * [taylor]: Taking taylor expansion of (exp (- (/ -1 x))) in x
3.366 * [taylor]: Taking taylor expansion of (- (/ -1 x)) in x
3.366 * [taylor]: Taking taylor expansion of (/ -1 x) in x
3.366 * [taylor]: Taking taylor expansion of -1 in x
3.366 * [taylor]: Taking taylor expansion of x in x
3.367 * [taylor]: Taking taylor expansion of (+ (exp (/ -1 x)) (exp (- (/ -1 x)))) in x
3.367 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
3.367 * [taylor]: Taking taylor expansion of (/ -1 x) in x
3.367 * [taylor]: Taking taylor expansion of -1 in x
3.367 * [taylor]: Taking taylor expansion of x in x
3.367 * [taylor]: Taking taylor expansion of (exp (- (/ -1 x))) in x
3.367 * [taylor]: Taking taylor expansion of (- (/ -1 x)) in x
3.367 * [taylor]: Taking taylor expansion of (/ -1 x) in x
3.367 * [taylor]: Taking taylor expansion of -1 in x
3.367 * [taylor]: Taking taylor expansion of x in x
3.368 * [taylor]: Taking taylor expansion of (tanh (/ -1 x)) in x
3.368 * [taylor]: Rewrote expression to (/ (- (exp (/ -1 x)) (exp (- (/ -1 x)))) (+ (exp (/ -1 x)) (exp (- (/ -1 x)))))
3.368 * [taylor]: Taking taylor expansion of (- (exp (/ -1 x)) (exp (- (/ -1 x)))) in x
3.368 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
3.368 * [taylor]: Taking taylor expansion of (/ -1 x) in x
3.368 * [taylor]: Taking taylor expansion of -1 in x
3.368 * [taylor]: Taking taylor expansion of x in x
3.369 * [taylor]: Taking taylor expansion of (exp (- (/ -1 x))) in x
3.369 * [taylor]: Taking taylor expansion of (- (/ -1 x)) in x
3.369 * [taylor]: Taking taylor expansion of (/ -1 x) in x
3.369 * [taylor]: Taking taylor expansion of -1 in x
3.369 * [taylor]: Taking taylor expansion of x in x
3.369 * [taylor]: Taking taylor expansion of (+ (exp (/ -1 x)) (exp (- (/ -1 x)))) in x
3.369 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
3.369 * [taylor]: Taking taylor expansion of (/ -1 x) in x
3.369 * [taylor]: Taking taylor expansion of -1 in x
3.369 * [taylor]: Taking taylor expansion of x in x
3.370 * [taylor]: Taking taylor expansion of (exp (- (/ -1 x))) in x
3.370 * [taylor]: Taking taylor expansion of (- (/ -1 x)) in x
3.370 * [taylor]: Taking taylor expansion of (/ -1 x) in x
3.370 * [taylor]: Taking taylor expansion of -1 in x
3.370 * [taylor]: Taking taylor expansion of x in x
3.378 * * * [progress]: simplifying candidates
3.378 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (- (exp x) (exp (- x)))
  (+ (exp x) (exp (- x)))
  (- (exp (* 2 x)) 1)
  (+ (exp (* 2 x)) 1)
  (- 1 (exp (* -2 x)))
  (+ 1 (exp (* -2 x)))
  (log (tanh x))
  (exp (tanh x))
  (* (cbrt (tanh x)) (cbrt (tanh x)))
  (cbrt (tanh x))
  (* (* (tanh x) (tanh x)) (tanh x))
  (sqrt (tanh x))
  (sqrt (tanh x))
  (- (+ x (* 2/15 (pow x 5))) (* 1/3 (pow x 3)))
  (/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x))))
  (/ (- (exp x) (exp (* -1 x))) (+ (exp (* -1 x)) (exp x)))
3.379 * * [simplify]: iteration  0 :  42  enodes  (cost  107 )
3.386 * * [simplify]: iteration  1 :  90  enodes  (cost  83 )
3.398 * * [simplify]: iteration  2 :  194  enodes  (cost  79 )
3.432 * * [simplify]: iteration  3 :  525  enodes  (cost  79 )
3.620 * * [simplify]: iteration  4 :  2306  enodes  (cost  79 )
4.524 * * [simplify]: iteration  done :  5000  enodes  (cost  79 )
4.524 * [simplify]: Simplified to:
   (- (exp x) (exp (- x)))
  (+ (exp x) (exp (- x)))
  (- (exp (* 2 x)) 1)
  (+ (exp (* 2 x)) 1)
  (- 1 (exp (* -2 x)))
  (+ 1 (exp (* -2 x)))
  (log (tanh x))
  (exp (tanh x))
  (* (cbrt (tanh x)) (cbrt (tanh x)))
  (cbrt (tanh x))
  (pow (tanh x) 3)
  (sqrt (tanh x))
  (sqrt (tanh x))
  (- (+ x (* 2/15 (pow x 5))) (* 1/3 (pow x 3)))
  (tanh x)
  (tanh x)
4.524 * * * [progress]: adding candidates to table
4.546 * * [progress]: iteration 3 / 4
4.546 * * * [progress]: picking best candidate
4.548 * * * * [pick]: Picked  #<alt (λ (x) (- (+ x (* 2/15 (pow x 5))) (* 1/3 (pow x 3))))>
4.548 * * * [progress]: localizing error
4.556 * * * [progress]: generating rewritten candidates
4.556 * * * * [progress]: [ 1 / 4 ] rewriting at (2 2)
4.562 * * * * [progress]: [ 2 / 4 ] rewriting at (2 1 2)
4.567 * * * * [progress]: [ 3 / 4 ] rewriting at (2)
4.580 * * * * [progress]: [ 4 / 4 ] rewriting at (2 1)
4.584 * * * [progress]: generating series expansions
4.584 * * * * [progress]: [ 1 / 4 ] generating series at (2 2)
4.584 * [approximate]: Taking taylor expansion of (* 1/3 (pow x 3)) in (x) around 0
4.584 * [taylor]: Taking taylor expansion of (* 1/3 (pow x 3)) in x
4.584 * [taylor]: Taking taylor expansion of 1/3 in x
4.584 * [taylor]: Taking taylor expansion of (pow x 3) in x
4.584 * [taylor]: Taking taylor expansion of x in x
4.584 * [taylor]: Taking taylor expansion of (* 1/3 (pow x 3)) in x
4.584 * [taylor]: Taking taylor expansion of 1/3 in x
4.584 * [taylor]: Taking taylor expansion of (pow x 3) in x
4.584 * [taylor]: Taking taylor expansion of x in x
4.595 * [approximate]: Taking taylor expansion of (/ 1/3 (pow x 3)) in (x) around 0
4.595 * [taylor]: Taking taylor expansion of (/ 1/3 (pow x 3)) in x
4.595 * [taylor]: Taking taylor expansion of 1/3 in x
4.595 * [taylor]: Taking taylor expansion of (pow x 3) in x
4.596 * [taylor]: Taking taylor expansion of x in x
4.596 * [taylor]: Taking taylor expansion of (/ 1/3 (pow x 3)) in x
4.596 * [taylor]: Taking taylor expansion of 1/3 in x
4.596 * [taylor]: Taking taylor expansion of (pow x 3) in x
4.596 * [taylor]: Taking taylor expansion of x in x
4.607 * [approximate]: Taking taylor expansion of (/ -1/3 (pow x 3)) in (x) around 0
4.607 * [taylor]: Taking taylor expansion of (/ -1/3 (pow x 3)) in x
4.607 * [taylor]: Taking taylor expansion of -1/3 in x
4.607 * [taylor]: Taking taylor expansion of (pow x 3) in x
4.607 * [taylor]: Taking taylor expansion of x in x
4.608 * [taylor]: Taking taylor expansion of (/ -1/3 (pow x 3)) in x
4.608 * [taylor]: Taking taylor expansion of -1/3 in x
4.608 * [taylor]: Taking taylor expansion of (pow x 3) in x
4.608 * [taylor]: Taking taylor expansion of x in x
4.622 * * * * [progress]: [ 2 / 4 ] generating series at (2 1 2)
4.622 * [approximate]: Taking taylor expansion of (* 2/15 (pow x 5)) in (x) around 0
4.622 * [taylor]: Taking taylor expansion of (* 2/15 (pow x 5)) in x
4.622 * [taylor]: Taking taylor expansion of 2/15 in x
4.622 * [taylor]: Taking taylor expansion of (pow x 5) in x
4.622 * [taylor]: Taking taylor expansion of x in x
4.622 * [taylor]: Taking taylor expansion of (* 2/15 (pow x 5)) in x
4.622 * [taylor]: Taking taylor expansion of 2/15 in x
4.622 * [taylor]: Taking taylor expansion of (pow x 5) in x
4.622 * [taylor]: Taking taylor expansion of x in x
4.637 * [approximate]: Taking taylor expansion of (/ 2/15 (pow x 5)) in (x) around 0
4.637 * [taylor]: Taking taylor expansion of (/ 2/15 (pow x 5)) in x
4.637 * [taylor]: Taking taylor expansion of 2/15 in x
4.637 * [taylor]: Taking taylor expansion of (pow x 5) in x
4.637 * [taylor]: Taking taylor expansion of x in x
4.638 * [taylor]: Taking taylor expansion of (/ 2/15 (pow x 5)) in x
4.638 * [taylor]: Taking taylor expansion of 2/15 in x
4.638 * [taylor]: Taking taylor expansion of (pow x 5) in x
4.638 * [taylor]: Taking taylor expansion of x in x
4.653 * [approximate]: Taking taylor expansion of (/ -2/15 (pow x 5)) in (x) around 0
4.653 * [taylor]: Taking taylor expansion of (/ -2/15 (pow x 5)) in x
4.653 * [taylor]: Taking taylor expansion of -2/15 in x
4.653 * [taylor]: Taking taylor expansion of (pow x 5) in x
4.653 * [taylor]: Taking taylor expansion of x in x
4.654 * [taylor]: Taking taylor expansion of (/ -2/15 (pow x 5)) in x
4.654 * [taylor]: Taking taylor expansion of -2/15 in x
4.654 * [taylor]: Taking taylor expansion of (pow x 5) in x
4.654 * [taylor]: Taking taylor expansion of x in x
4.668 * * * * [progress]: [ 3 / 4 ] generating series at (2)
4.669 * [approximate]: Taking taylor expansion of (- (+ x (* 2/15 (pow x 5))) (* 1/3 (pow x 3))) in (x) around 0
4.669 * [taylor]: Taking taylor expansion of (- (+ x (* 2/15 (pow x 5))) (* 1/3 (pow x 3))) in x
4.669 * [taylor]: Taking taylor expansion of (+ x (* 2/15 (pow x 5))) in x
4.669 * [taylor]: Taking taylor expansion of x in x
4.669 * [taylor]: Taking taylor expansion of (* 2/15 (pow x 5)) in x
4.669 * [taylor]: Taking taylor expansion of 2/15 in x
4.669 * [taylor]: Taking taylor expansion of (pow x 5) in x
4.669 * [taylor]: Taking taylor expansion of x in x
4.669 * [taylor]: Taking taylor expansion of (* 1/3 (pow x 3)) in x
4.669 * [taylor]: Taking taylor expansion of 1/3 in x
4.669 * [taylor]: Taking taylor expansion of (pow x 3) in x
4.669 * [taylor]: Taking taylor expansion of x in x
4.669 * [taylor]: Taking taylor expansion of (- (+ x (* 2/15 (pow x 5))) (* 1/3 (pow x 3))) in x
4.669 * [taylor]: Taking taylor expansion of (+ x (* 2/15 (pow x 5))) in x
4.669 * [taylor]: Taking taylor expansion of x in x
4.669 * [taylor]: Taking taylor expansion of (* 2/15 (pow x 5)) in x
4.669 * [taylor]: Taking taylor expansion of 2/15 in x
4.669 * [taylor]: Taking taylor expansion of (pow x 5) in x
4.669 * [taylor]: Taking taylor expansion of x in x
4.669 * [taylor]: Taking taylor expansion of (* 1/3 (pow x 3)) in x
4.669 * [taylor]: Taking taylor expansion of 1/3 in x
4.669 * [taylor]: Taking taylor expansion of (pow x 3) in x
4.669 * [taylor]: Taking taylor expansion of x in x
4.677 * [approximate]: Taking taylor expansion of (- (+ (* 2/15 (/ 1 (pow x 5))) (/ 1 x)) (* 1/3 (/ 1 (pow x 3)))) in (x) around 0
4.677 * [taylor]: Taking taylor expansion of (- (+ (* 2/15 (/ 1 (pow x 5))) (/ 1 x)) (* 1/3 (/ 1 (pow x 3)))) in x
4.677 * [taylor]: Taking taylor expansion of (+ (* 2/15 (/ 1 (pow x 5))) (/ 1 x)) in x
4.677 * [taylor]: Taking taylor expansion of (* 2/15 (/ 1 (pow x 5))) in x
4.677 * [taylor]: Taking taylor expansion of 2/15 in x
4.677 * [taylor]: Taking taylor expansion of (/ 1 (pow x 5)) in x
4.677 * [taylor]: Taking taylor expansion of (pow x 5) in x
4.677 * [taylor]: Taking taylor expansion of x in x
4.678 * [taylor]: Taking taylor expansion of (/ 1 x) in x
4.678 * [taylor]: Taking taylor expansion of x in x
4.678 * [taylor]: Taking taylor expansion of (* 1/3 (/ 1 (pow x 3))) in x
4.678 * [taylor]: Taking taylor expansion of 1/3 in x
4.678 * [taylor]: Taking taylor expansion of (/ 1 (pow x 3)) in x
4.678 * [taylor]: Taking taylor expansion of (pow x 3) in x
4.678 * [taylor]: Taking taylor expansion of x in x
4.679 * [taylor]: Taking taylor expansion of (- (+ (* 2/15 (/ 1 (pow x 5))) (/ 1 x)) (* 1/3 (/ 1 (pow x 3)))) in x
4.679 * [taylor]: Taking taylor expansion of (+ (* 2/15 (/ 1 (pow x 5))) (/ 1 x)) in x
4.679 * [taylor]: Taking taylor expansion of (* 2/15 (/ 1 (pow x 5))) in x
4.679 * [taylor]: Taking taylor expansion of 2/15 in x
4.679 * [taylor]: Taking taylor expansion of (/ 1 (pow x 5)) in x
4.679 * [taylor]: Taking taylor expansion of (pow x 5) in x
4.679 * [taylor]: Taking taylor expansion of x in x
4.680 * [taylor]: Taking taylor expansion of (/ 1 x) in x
4.680 * [taylor]: Taking taylor expansion of x in x
4.681 * [taylor]: Taking taylor expansion of (* 1/3 (/ 1 (pow x 3))) in x
4.681 * [taylor]: Taking taylor expansion of 1/3 in x
4.681 * [taylor]: Taking taylor expansion of (/ 1 (pow x 3)) in x
4.681 * [taylor]: Taking taylor expansion of (pow x 3) in x
4.681 * [taylor]: Taking taylor expansion of x in x
4.701 * [approximate]: Taking taylor expansion of (- (* 1/3 (/ 1 (pow x 3))) (+ (* 2/15 (/ 1 (pow x 5))) (/ 1 x))) in (x) around 0
4.701 * [taylor]: Taking taylor expansion of (- (* 1/3 (/ 1 (pow x 3))) (+ (* 2/15 (/ 1 (pow x 5))) (/ 1 x))) in x
4.701 * [taylor]: Taking taylor expansion of (* 1/3 (/ 1 (pow x 3))) in x
4.701 * [taylor]: Taking taylor expansion of 1/3 in x
4.701 * [taylor]: Taking taylor expansion of (/ 1 (pow x 3)) in x
4.701 * [taylor]: Taking taylor expansion of (pow x 3) in x
4.701 * [taylor]: Taking taylor expansion of x in x
4.702 * [taylor]: Taking taylor expansion of (+ (* 2/15 (/ 1 (pow x 5))) (/ 1 x)) in x
4.702 * [taylor]: Taking taylor expansion of (* 2/15 (/ 1 (pow x 5))) in x
4.702 * [taylor]: Taking taylor expansion of 2/15 in x
4.702 * [taylor]: Taking taylor expansion of (/ 1 (pow x 5)) in x
4.702 * [taylor]: Taking taylor expansion of (pow x 5) in x
4.702 * [taylor]: Taking taylor expansion of x in x
4.703 * [taylor]: Taking taylor expansion of (/ 1 x) in x
4.703 * [taylor]: Taking taylor expansion of x in x
4.703 * [taylor]: Taking taylor expansion of (- (* 1/3 (/ 1 (pow x 3))) (+ (* 2/15 (/ 1 (pow x 5))) (/ 1 x))) in x
4.703 * [taylor]: Taking taylor expansion of (* 1/3 (/ 1 (pow x 3))) in x
4.703 * [taylor]: Taking taylor expansion of 1/3 in x
4.703 * [taylor]: Taking taylor expansion of (/ 1 (pow x 3)) in x
4.703 * [taylor]: Taking taylor expansion of (pow x 3) in x
4.703 * [taylor]: Taking taylor expansion of x in x
4.704 * [taylor]: Taking taylor expansion of (+ (* 2/15 (/ 1 (pow x 5))) (/ 1 x)) in x
4.704 * [taylor]: Taking taylor expansion of (* 2/15 (/ 1 (pow x 5))) in x
4.704 * [taylor]: Taking taylor expansion of 2/15 in x
4.704 * [taylor]: Taking taylor expansion of (/ 1 (pow x 5)) in x
4.704 * [taylor]: Taking taylor expansion of (pow x 5) in x
4.704 * [taylor]: Taking taylor expansion of x in x
4.705 * [taylor]: Taking taylor expansion of (/ 1 x) in x
4.705 * [taylor]: Taking taylor expansion of x in x
4.722 * * * * [progress]: [ 4 / 4 ] generating series at (2 1)
4.722 * [approximate]: Taking taylor expansion of (+ x (* 2/15 (pow x 5))) in (x) around 0
4.722 * [taylor]: Taking taylor expansion of (+ x (* 2/15 (pow x 5))) in x
4.722 * [taylor]: Taking taylor expansion of x in x
4.722 * [taylor]: Taking taylor expansion of (* 2/15 (pow x 5)) in x
4.723 * [taylor]: Taking taylor expansion of 2/15 in x
4.723 * [taylor]: Taking taylor expansion of (pow x 5) in x
4.723 * [taylor]: Taking taylor expansion of x in x
4.723 * [taylor]: Taking taylor expansion of (+ x (* 2/15 (pow x 5))) in x
4.723 * [taylor]: Taking taylor expansion of x in x
4.723 * [taylor]: Taking taylor expansion of (* 2/15 (pow x 5)) in x
4.723 * [taylor]: Taking taylor expansion of 2/15 in x
4.723 * [taylor]: Taking taylor expansion of (pow x 5) in x
4.723 * [taylor]: Taking taylor expansion of x in x
4.740 * [approximate]: Taking taylor expansion of (+ (* 2/15 (/ 1 (pow x 5))) (/ 1 x)) in (x) around 0
4.740 * [taylor]: Taking taylor expansion of (+ (* 2/15 (/ 1 (pow x 5))) (/ 1 x)) in x
4.740 * [taylor]: Taking taylor expansion of (* 2/15 (/ 1 (pow x 5))) in x
4.741 * [taylor]: Taking taylor expansion of 2/15 in x
4.741 * [taylor]: Taking taylor expansion of (/ 1 (pow x 5)) in x
4.741 * [taylor]: Taking taylor expansion of (pow x 5) in x
4.741 * [taylor]: Taking taylor expansion of x in x
4.741 * [taylor]: Taking taylor expansion of (/ 1 x) in x
4.742 * [taylor]: Taking taylor expansion of x in x
4.742 * [taylor]: Taking taylor expansion of (+ (* 2/15 (/ 1 (pow x 5))) (/ 1 x)) in x
4.742 * [taylor]: Taking taylor expansion of (* 2/15 (/ 1 (pow x 5))) in x
4.742 * [taylor]: Taking taylor expansion of 2/15 in x
4.742 * [taylor]: Taking taylor expansion of (/ 1 (pow x 5)) in x
4.742 * [taylor]: Taking taylor expansion of (pow x 5) in x
4.742 * [taylor]: Taking taylor expansion of x in x
4.743 * [taylor]: Taking taylor expansion of (/ 1 x) in x
4.743 * [taylor]: Taking taylor expansion of x in x
4.786 * [approximate]: Taking taylor expansion of (- (+ (* 2/15 (/ 1 (pow x 5))) (/ 1 x))) in (x) around 0
4.786 * [taylor]: Taking taylor expansion of (- (+ (* 2/15 (/ 1 (pow x 5))) (/ 1 x))) in x
4.786 * [taylor]: Taking taylor expansion of (+ (* 2/15 (/ 1 (pow x 5))) (/ 1 x)) in x
4.786 * [taylor]: Taking taylor expansion of (* 2/15 (/ 1 (pow x 5))) in x
4.786 * [taylor]: Taking taylor expansion of 2/15 in x
4.786 * [taylor]: Taking taylor expansion of (/ 1 (pow x 5)) in x
4.786 * [taylor]: Taking taylor expansion of (pow x 5) in x
4.786 * [taylor]: Taking taylor expansion of x in x
4.787 * [taylor]: Taking taylor expansion of (/ 1 x) in x
4.787 * [taylor]: Taking taylor expansion of x in x
4.787 * [taylor]: Taking taylor expansion of (- (+ (* 2/15 (/ 1 (pow x 5))) (/ 1 x))) in x
4.787 * [taylor]: Taking taylor expansion of (+ (* 2/15 (/ 1 (pow x 5))) (/ 1 x)) in x
4.787 * [taylor]: Taking taylor expansion of (* 2/15 (/ 1 (pow x 5))) in x
4.787 * [taylor]: Taking taylor expansion of 2/15 in x
4.787 * [taylor]: Taking taylor expansion of (/ 1 (pow x 5)) in x
4.787 * [taylor]: Taking taylor expansion of (pow x 5) in x
4.787 * [taylor]: Taking taylor expansion of x in x
4.788 * [taylor]: Taking taylor expansion of (/ 1 x) in x
4.788 * [taylor]: Taking taylor expansion of x in x
4.831 * * * [progress]: simplifying candidates
4.832 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (+ (log 1/3) (* (log x) 3))
  (+ (log 1/3) (* (log x) 3))
  (+ (log 1/3) (log (pow x 3)))
  (log (* 1/3 (pow x 3)))
  (exp (* 1/3 (pow x 3)))
  (* (* (* 1/3 1/3) 1/3) (* (* (pow x 3) (pow x 3)) (pow x 3)))
  (* (cbrt (* 1/3 (pow x 3))) (cbrt (* 1/3 (pow x 3))))
  (cbrt (* 1/3 (pow x 3)))
  (* (* (* 1/3 (pow x 3)) (* 1/3 (pow x 3))) (* 1/3 (pow x 3)))
  (sqrt (* 1/3 (pow x 3)))
  (sqrt (* 1/3 (pow x 3)))
  (* (sqrt 1/3) (pow (sqrt x) 3))
  (* (sqrt 1/3) (pow (sqrt x) 3))
  (* (sqrt 1/3) (pow (sqrt x) 3))
  (* (sqrt 1/3) (pow (sqrt x) 3))
  (* (sqrt 1/3) (sqrt (pow x 3)))
  (* (sqrt 1/3) (sqrt (pow x 3)))
  (* (sqrt 1/3) (pow x (/ 3 2)))
  (* (sqrt 1/3) (pow x (/ 3 2)))
  (* 1/3 (pow (* (cbrt x) (cbrt x)) 3))
  (* 1/3 (pow (sqrt x) 3))
  (* 1/3 (pow 1 3))
  (* 1/3 (* x x))
  (* 1/3 (* (cbrt (pow x 3)) (cbrt (pow x 3))))
  (* 1/3 (pow (* (cbrt x) (cbrt x)) 3))
  (* 1/3 (pow (sqrt x) 3))
  (* 1/3 (pow 1 3))
  (* 1/3 x)
  (* 1/3 (sqrt (pow x 3)))
  (* 1/3 1)
  (* 1/3 (pow x (/ 3 2)))
  (* (cbrt 1/3) (pow x 3))
  (* (sqrt 1/3) (pow x 3))
  (* 1/3 (pow x 3))
  (+ (log 2/15) (* (log x) 5))
  (+ (log 2/15) (* (log x) 5))
  (+ (log 2/15) (log (pow x 5)))
  (log (* 2/15 (pow x 5)))
  (exp (* 2/15 (pow x 5)))
  (* (* (* 2/15 2/15) 2/15) (* (* (pow x 5) (pow x 5)) (pow x 5)))
  (* (cbrt (* 2/15 (pow x 5))) (cbrt (* 2/15 (pow x 5))))
  (cbrt (* 2/15 (pow x 5)))
  (* (* (* 2/15 (pow x 5)) (* 2/15 (pow x 5))) (* 2/15 (pow x 5)))
  (sqrt (* 2/15 (pow x 5)))
  (sqrt (* 2/15 (pow x 5)))
  (* (sqrt 2/15) (pow (sqrt x) 5))
  (* (sqrt 2/15) (pow (sqrt x) 5))
  (* (sqrt 2/15) (sqrt (pow x 5)))
  (* (sqrt 2/15) (sqrt (pow x 5)))
  (* (sqrt 2/15) (pow x (/ 5 2)))
  (* (sqrt 2/15) (pow x (/ 5 2)))
  (* 2/15 (pow (* (cbrt x) (cbrt x)) 5))
  (* 2/15 (pow (sqrt x) 5))
  (* 2/15 (pow 1 5))
  (* 2/15 (* (cbrt (pow x 5)) (cbrt (pow x 5))))
  (* 2/15 (sqrt (pow x 5)))
  (* 2/15 1)
  (* 2/15 (pow x (/ 5 2)))
  (* (cbrt 2/15) (pow x 5))
  (* (sqrt 2/15) (pow x 5))
  (* 2/15 (pow x 5))
  (/ (* (exp x) (exp (* 2/15 (pow x 5)))) (exp (* 1/3 (pow x 3))))
  (/ (exp (+ x (* 2/15 (pow x 5)))) (exp (* 1/3 (pow x 3))))
  (log (- (+ x (* 2/15 (pow x 5))) (* 1/3 (pow x 3))))
  (exp (- (+ x (* 2/15 (pow x 5))) (* 1/3 (pow x 3))))
  (* (cbrt (- (+ x (* 2/15 (pow x 5))) (* 1/3 (pow x 3)))) (cbrt (- (+ x (* 2/15 (pow x 5))) (* 1/3 (pow x 3)))))
  (cbrt (- (+ x (* 2/15 (pow x 5))) (* 1/3 (pow x 3))))
  (* (* (- (+ x (* 2/15 (pow x 5))) (* 1/3 (pow x 3))) (- (+ x (* 2/15 (pow x 5))) (* 1/3 (pow x 3)))) (- (+ x (* 2/15 (pow x 5))) (* 1/3 (pow x 3))))
  (sqrt (- (+ x (* 2/15 (pow x 5))) (* 1/3 (pow x 3))))
  (sqrt (- (+ x (* 2/15 (pow x 5))) (* 1/3 (pow x 3))))
  (- (pow (+ x (* 2/15 (pow x 5))) 3) (pow (* 1/3 (pow x 3)) 3))
  (+ (* (+ x (* 2/15 (pow x 5))) (+ x (* 2/15 (pow x 5)))) (+ (* (* 1/3 (pow x 3)) (* 1/3 (pow x 3))) (* (+ x (* 2/15 (pow x 5))) (* 1/3 (pow x 3)))))
  (- (* 1/3 (pow x 3)))
  (- (* (+ x (* 2/15 (pow x 5))) (+ x (* 2/15 (pow x 5)))) (* (* 1/3 (pow x 3)) (* 1/3 (pow x 3))))
  (+ (+ x (* 2/15 (pow x 5))) (* 1/3 (pow x 3)))
  (- (* 2/15 (pow x 5)) (* 1/3 (pow x 3)))
  (- (* 1/3 (pow x 3)))
  (* (exp x) (exp (* 2/15 (pow x 5))))
  (log (+ x (* 2/15 (pow x 5))))
  (exp (+ x (* 2/15 (pow x 5))))
  (* (cbrt (+ x (* 2/15 (pow x 5)))) (cbrt (+ x (* 2/15 (pow x 5)))))
  (cbrt (+ x (* 2/15 (pow x 5))))
  (* (* (+ x (* 2/15 (pow x 5))) (+ x (* 2/15 (pow x 5)))) (+ x (* 2/15 (pow x 5))))
  (sqrt (+ x (* 2/15 (pow x 5))))
  (sqrt (+ x (* 2/15 (pow x 5))))
  (+ (pow x 3) (pow (* 2/15 (pow x 5)) 3))
  (+ (* x x) (- (* (* 2/15 (pow x 5)) (* 2/15 (pow x 5))) (* x (* 2/15 (pow x 5)))))
  (- (* x x) (* (* 2/15 (pow x 5)) (* 2/15 (pow x 5))))
  (- x (* 2/15 (pow x 5)))
  (* 1/3 (pow x 3))
  (* 1/3 (pow x 3))
  (* 1/3 (pow x 3))
  (* 2/15 (pow x 5))
  (* 2/15 (pow x 5))
  (* 2/15 (pow x 5))
  (- (+ x (* 2/15 (pow x 5))) (* 1/3 (pow x 3)))
  (- (+ x (* 2/15 (pow x 5))) (* 1/3 (pow x 3)))
  (- (+ x (* 2/15 (pow x 5))) (* 1/3 (pow x 3)))
  (+ x (* 2/15 (pow x 5)))
  (+ x (* 2/15 (pow x 5)))
  (+ x (* 2/15 (pow x 5)))
4.835 * * [simplify]: iteration  0 :  133  enodes  (cost  981 )
4.873 * * [simplify]: iteration  1 :  325  enodes  (cost  861 )
4.980 * * [simplify]: iteration  2 :  933  enodes  (cost  823 )
5.415 * * [simplify]: iteration  3 :  4283  enodes  (cost  814 )
6.852 * * [simplify]: iteration  done :  5000  enodes  (cost  814 )
6.853 * [simplify]: Simplified to:
   (log (* 1/3 (pow x 3)))
  (log (* 1/3 (pow x 3)))
  (log (* 1/3 (pow x 3)))
  (log (* 1/3 (pow x 3)))
  (cbrt (exp (pow x 3)))
  (* 1/27 (pow (pow x 3) 3))
  (* (cbrt (* 1/3 (pow x 3))) (cbrt (* 1/3 (pow x 3))))
  (cbrt (* 1/3 (pow x 3)))
  (* 1/27 (pow (pow x 3) 3))
  (sqrt (* 1/3 (pow x 3)))
  (sqrt (* 1/3 (pow x 3)))
  (* (sqrt 1/3) (pow (sqrt x) 3))
  (* (sqrt 1/3) (pow (sqrt x) 3))
  (* (sqrt 1/3) (pow (sqrt x) 3))
  (* (sqrt 1/3) (pow (sqrt x) 3))
  (* (sqrt 1/3) (sqrt (pow x 3)))
  (* (sqrt 1/3) (sqrt (pow x 3)))
  (* (sqrt 1/3) (pow x 3/2))
  (* (sqrt 1/3) (pow x 3/2))
  (* x (* 1/3 x))
  (* 1/3 (pow (sqrt x) 3))
  1/3
  (* x (* 1/3 x))
  (* x (* 1/3 x))
  (* x (* 1/3 x))
  (* 1/3 (pow (sqrt x) 3))
  1/3
  (* 1/3 x)
  (* 1/3 (sqrt (pow x 3)))
  1/3
  (* 1/3 (pow x 3/2))
  (* (cbrt 1/3) (pow x 3))
  (* (sqrt 1/3) (pow x 3))
  (* 1/3 (pow x 3))
  (log (* 2/15 (pow x 5)))
  (log (* 2/15 (pow x 5)))
  (log (* 2/15 (pow x 5)))
  (log (* 2/15 (pow x 5)))
  (exp (* 2/15 (pow x 5)))
  (pow (* 2/15 (pow x 5)) 3)
  (* (cbrt (* 2/15 (pow x 5))) (cbrt (* 2/15 (pow x 5))))
  (cbrt (* 2/15 (pow x 5)))
  (pow (* 2/15 (pow x 5)) 3)
  (sqrt (* 2/15 (pow x 5)))
  (sqrt (* 2/15 (pow x 5)))
  (* (sqrt 2/15) (pow (sqrt x) 5))
  (* (sqrt 2/15) (pow (sqrt x) 5))
  (* (sqrt 2/15) (sqrt (pow x 5)))
  (* (sqrt 2/15) (sqrt (pow x 5)))
  (* (sqrt 2/15) (pow x 5/2))
  (* (sqrt 2/15) (pow x 5/2))
  (* 2/15 (pow (* (cbrt x) (cbrt x)) 5))
  (* 2/15 (pow (sqrt x) 5))
  2/15
  (* 2/15 (* (cbrt (pow x 5)) (cbrt (pow x 5))))
  (* 2/15 (sqrt (pow x 5)))
  2/15
  (* (pow x 5/2) 2/15)
  (* (cbrt 2/15) (pow x 5))
  (* (sqrt 2/15) (pow x 5))
  (* 2/15 (pow x 5))
  (exp (- (+ x (* 2/15 (pow x 5))) (* 1/3 (pow x 3))))
  (exp (- (+ x (* 2/15 (pow x 5))) (* 1/3 (pow x 3))))
  (log (- (+ x (* 2/15 (pow x 5))) (* 1/3 (pow x 3))))
  (exp (- (+ x (* 2/15 (pow x 5))) (* 1/3 (pow x 3))))
  (* (cbrt (- (+ x (* 2/15 (pow x 5))) (* 1/3 (pow x 3)))) (cbrt (- (+ x (* 2/15 (pow x 5))) (* 1/3 (pow x 3)))))
  (cbrt (- (+ x (* 2/15 (pow x 5))) (* 1/3 (pow x 3))))
  (pow (- (+ x (* 2/15 (pow x 5))) (* 1/3 (pow x 3))) 3)
  (sqrt (- (+ x (* 2/15 (pow x 5))) (* 1/3 (pow x 3))))
  (sqrt (- (+ x (* 2/15 (pow x 5))) (* 1/3 (pow x 3))))
  (- (pow (+ x (* 2/15 (pow x 5))) 3) (pow (* 1/3 (pow x 3)) 3))
  (+ (* 1/9 (pow x 6)) (* (+ x (* 2/15 (pow x 5))) (+ (+ x (* 2/15 (pow x 5))) (* 1/3 (pow x 3)))))
  (* -1/3 (pow x 3))
  (- (* (+ x (* 2/15 (pow x 5))) (+ x (* 2/15 (pow x 5)))) (* 1/9 (pow x 6)))
  (+ (+ x (* 2/15 (pow x 5))) (* 1/3 (pow x 3)))
  (- (* 2/15 (pow x 5)) (* 1/3 (pow x 3)))
  (* -1/3 (pow x 3))
  (exp (+ x (* 2/15 (pow x 5))))
  (log (+ x (* 2/15 (pow x 5))))
  (exp (+ x (* 2/15 (pow x 5))))
  (* (cbrt (+ x (* 2/15 (pow x 5)))) (cbrt (+ x (* 2/15 (pow x 5)))))
  (cbrt (+ x (* 2/15 (pow x 5))))
  (pow (+ x (* 2/15 (pow x 5))) 3)
  (sqrt (+ x (* 2/15 (pow x 5))))
  (sqrt (+ x (* 2/15 (pow x 5))))
  (+ (pow x 3) (pow (* 2/15 (pow x 5)) 3))
  (+ (* (* 2/15 (pow x 5)) (- (* 2/15 (pow x 5)) x)) (* x x))
  (- (* x x) (* 4/225 (pow x 10)))
  (- x (* 2/15 (pow x 5)))
  (* 1/3 (pow x 3))
  (* 1/3 (pow x 3))
  (* 1/3 (pow x 3))
  (* 2/15 (pow x 5))
  (* 2/15 (pow x 5))
  (* 2/15 (pow x 5))
  (- (+ x (* 2/15 (pow x 5))) (* 1/3 (pow x 3)))
  (- (+ x (* 2/15 (pow x 5))) (* 1/3 (pow x 3)))
  (- (+ x (* 2/15 (pow x 5))) (* 1/3 (pow x 3)))
  (+ x (* 2/15 (pow x 5)))
  (+ x (* 2/15 (pow x 5)))
  (+ x (* 2/15 (pow x 5)))
6.853 * * * [progress]: adding candidates to table
7.027 * [progress]: [Phase 3 of 3] Extracting.
7.027 * * [regime]: Finding splitpoints for: (#<alt (λ (x) (tanh x))> #<alt (λ (x) (/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x)))))> #<alt (λ (x) (- (+ x (* 2/15 (pow x 5))) (* 1/3 (pow x 3))))>)
7.027 * * * [regime-changes]: Trying 2 branch expressions: ((/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x)))) x)
7.027 * * * * [regimes]: Trying to branch on (/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x)))) from (#<alt (λ (x) (tanh x))> #<alt (λ (x) (/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x)))))> #<alt (λ (x) (- (+ x (* 2/15 (pow x 5))) (* 1/3 (pow x 3))))>)
7.044 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x) (tanh x))> #<alt (λ (x) (/ (- (exp x) (exp (- x))) (+ (exp x) (exp (- x)))))> #<alt (λ (x) (- (+ x (* 2/15 (pow x 5))) (* 1/3 (pow x 3))))>)
7.056 * * * [regime]: Found split indices: #<option (#s(si 0 255))>
7.057 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (tanh x)
7.057 * * [simplify]: iteration  0 :  2  enodes  (cost  2 )
7.057 * * [simplify]: iteration  done :  2  enodes  (cost  2 )
7.057 * [simplify]: Simplified to:
   (tanh x)
10.312 * [regime-testing]: Baseline error score: 0.014126765845730716
10.312 * [regime-testing]: Oracle error score: 0.0025003125390673834
10.313 * [regime-testing]: End program error score: 0.014126765845730716