0.145 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.078 * * * [progress]: [2/2] Setting up program.
0.080 * [progress]: [Phase 2 of 3] Improving.
0.080 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (+ (- (exp x) 2.0) (exp (- x)))
0.081 * * [simplify]: iteration  0 :  7  enodes  (cost  8 )
0.082 * * [simplify]: iteration  1 :  14  enodes  (cost  8 )
0.084 * * [simplify]: iteration  2 :  26  enodes  (cost  8 )
0.087 * * [simplify]: iteration  3 :  38  enodes  (cost  8 )
0.091 * * [simplify]: iteration  4 :  49  enodes  (cost  8 )
0.095 * * [simplify]: iteration  5 :  60  enodes  (cost  8 )
0.101 * * [simplify]: iteration  6 :  69  enodes  (cost  8 )
0.108 * * [simplify]: iteration  7 :  86  enodes  (cost  8 )
0.117 * * [simplify]: iteration  8 :  106  enodes  (cost  8 )
0.132 * * [simplify]: iteration  9 :  129  enodes  (cost  8 )
0.148 * * [simplify]: iteration  10 :  153  enodes  (cost  8 )
0.168 * * [simplify]: iteration  11 :  157  enodes  (cost  8 )
0.189 * * [simplify]: iteration  done :  157  enodes  (cost  8 )
0.189 * [simplify]: Simplified to:
   (+ (- (exp x) 2.0) (exp (- x)))
0.189 * * [progress]: iteration 1 / 4
0.189 * * * [progress]: picking best candidate
0.191 * * * * [pick]: Picked  #<alt (λ (x) (+ (- (exp x) 2.0) (exp (- x))))>
0.191 * * * [progress]: localizing error
0.198 * * * [progress]: generating rewritten candidates
0.198 * * * * [progress]: [ 1 / 2 ] rewriting at (2)
0.220 * * * * [progress]: [ 2 / 2 ] rewriting at (2 1)
0.225 * * * [progress]: generating series expansions
0.225 * * * * [progress]: [ 1 / 2 ] generating series at (2)
0.225 * [approximate]: Taking taylor expansion of (- (+ (exp x) (exp (- x))) 2.0) in (x) around 0
0.225 * [taylor]: Taking taylor expansion of (- (+ (exp x) (exp (- x))) 2.0) in x
0.225 * [taylor]: Taking taylor expansion of (+ (exp x) (exp (- x))) in x
0.225 * [taylor]: Taking taylor expansion of (exp x) in x
0.225 * [taylor]: Taking taylor expansion of x in x
0.225 * [taylor]: Taking taylor expansion of (exp (- x)) in x
0.225 * [taylor]: Taking taylor expansion of (- x) in x
0.225 * [taylor]: Taking taylor expansion of x in x
0.226 * [taylor]: Taking taylor expansion of 2.0 in x
0.226 * [taylor]: Taking taylor expansion of (- (+ (exp x) (exp (- x))) 2.0) in x
0.226 * [taylor]: Taking taylor expansion of (+ (exp x) (exp (- x))) in x
0.226 * [taylor]: Taking taylor expansion of (exp x) in x
0.226 * [taylor]: Taking taylor expansion of x in x
0.226 * [taylor]: Taking taylor expansion of (exp (- x)) in x
0.226 * [taylor]: Taking taylor expansion of (- x) in x
0.226 * [taylor]: Taking taylor expansion of x in x
0.227 * [taylor]: Taking taylor expansion of 2.0 in x
0.273 * [approximate]: Taking taylor expansion of (- (+ (exp (/ 1 x)) (exp (- (/ 1 x)))) 2.0) in (x) around 0
0.273 * [taylor]: Taking taylor expansion of (- (+ (exp (/ 1 x)) (exp (- (/ 1 x)))) 2.0) in x
0.273 * [taylor]: Taking taylor expansion of (+ (exp (/ 1 x)) (exp (- (/ 1 x)))) in x
0.273 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
0.273 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.273 * [taylor]: Taking taylor expansion of x in x
0.273 * [taylor]: Taking taylor expansion of (exp (- (/ 1 x))) in x
0.273 * [taylor]: Taking taylor expansion of (- (/ 1 x)) in x
0.273 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.273 * [taylor]: Taking taylor expansion of x in x
0.274 * [taylor]: Taking taylor expansion of 2.0 in x
0.274 * [taylor]: Taking taylor expansion of (- (+ (exp (/ 1 x)) (exp (- (/ 1 x)))) 2.0) in x
0.274 * [taylor]: Taking taylor expansion of (+ (exp (/ 1 x)) (exp (- (/ 1 x)))) in x
0.274 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
0.274 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.274 * [taylor]: Taking taylor expansion of x in x
0.274 * [taylor]: Taking taylor expansion of (exp (- (/ 1 x))) in x
0.274 * [taylor]: Taking taylor expansion of (- (/ 1 x)) in x
0.274 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.274 * [taylor]: Taking taylor expansion of x in x
0.275 * [taylor]: Taking taylor expansion of 2.0 in x
0.280 * [approximate]: Taking taylor expansion of (- (+ (exp (/ 1 x)) (exp (/ -1 x))) 2.0) in (x) around 0
0.281 * [taylor]: Taking taylor expansion of (- (+ (exp (/ 1 x)) (exp (/ -1 x))) 2.0) in x
0.281 * [taylor]: Taking taylor expansion of (+ (exp (/ 1 x)) (exp (/ -1 x))) in x
0.281 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
0.281 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.281 * [taylor]: Taking taylor expansion of x in x
0.281 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
0.281 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.281 * [taylor]: Taking taylor expansion of -1 in x
0.281 * [taylor]: Taking taylor expansion of x in x
0.281 * [taylor]: Taking taylor expansion of 2.0 in x
0.281 * [taylor]: Taking taylor expansion of (- (+ (exp (/ 1 x)) (exp (/ -1 x))) 2.0) in x
0.281 * [taylor]: Taking taylor expansion of (+ (exp (/ 1 x)) (exp (/ -1 x))) in x
0.281 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
0.281 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.281 * [taylor]: Taking taylor expansion of x in x
0.282 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
0.282 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.282 * [taylor]: Taking taylor expansion of -1 in x
0.282 * [taylor]: Taking taylor expansion of x in x
0.282 * [taylor]: Taking taylor expansion of 2.0 in x
0.288 * * * * [progress]: [ 2 / 2 ] generating series at (2 1)
0.288 * [approximate]: Taking taylor expansion of (- (exp x) 2.0) in (x) around 0
0.288 * [taylor]: Taking taylor expansion of (- (exp x) 2.0) in x
0.288 * [taylor]: Taking taylor expansion of (exp x) in x
0.288 * [taylor]: Taking taylor expansion of x in x
0.288 * [taylor]: Taking taylor expansion of 2.0 in x
0.288 * [taylor]: Taking taylor expansion of (- (exp x) 2.0) in x
0.288 * [taylor]: Taking taylor expansion of (exp x) in x
0.288 * [taylor]: Taking taylor expansion of x in x
0.288 * [taylor]: Taking taylor expansion of 2.0 in x
0.292 * [approximate]: Taking taylor expansion of (- (exp (/ 1 x)) 2.0) in (x) around 0
0.292 * [taylor]: Taking taylor expansion of (- (exp (/ 1 x)) 2.0) in x
0.292 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
0.292 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.292 * [taylor]: Taking taylor expansion of x in x
0.292 * [taylor]: Taking taylor expansion of 2.0 in x
0.292 * [taylor]: Taking taylor expansion of (- (exp (/ 1 x)) 2.0) in x
0.293 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
0.293 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.293 * [taylor]: Taking taylor expansion of x in x
0.293 * [taylor]: Taking taylor expansion of 2.0 in x
0.297 * [approximate]: Taking taylor expansion of (- (exp (/ -1 x)) 2.0) in (x) around 0
0.297 * [taylor]: Taking taylor expansion of (- (exp (/ -1 x)) 2.0) in x
0.297 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
0.297 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.297 * [taylor]: Taking taylor expansion of -1 in x
0.297 * [taylor]: Taking taylor expansion of x in x
0.297 * [taylor]: Taking taylor expansion of 2.0 in x
0.297 * [taylor]: Taking taylor expansion of (- (exp (/ -1 x)) 2.0) in x
0.297 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
0.297 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.297 * [taylor]: Taking taylor expansion of -1 in x
0.297 * [taylor]: Taking taylor expansion of x in x
0.297 * [taylor]: Taking taylor expansion of 2.0 in x
0.301 * * * [progress]: simplifying candidates
0.302 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (* (/ (exp (exp x)) (exp 2.0)) (exp (exp (- x))))
  (* (exp (- (exp x) 2.0)) (exp (exp (- x))))
  (log (+ (- (exp x) 2.0) (exp (- x))))
  (exp (+ (- (exp x) 2.0) (exp (- x))))
  (* (cbrt (+ (- (exp x) 2.0) (exp (- x)))) (cbrt (+ (- (exp x) 2.0) (exp (- x)))))
  (cbrt (+ (- (exp x) 2.0) (exp (- x))))
  (* (* (+ (- (exp x) 2.0) (exp (- x))) (+ (- (exp x) 2.0) (exp (- x)))) (+ (- (exp x) 2.0) (exp (- x))))
  (sqrt (+ (- (exp x) 2.0) (exp (- x))))
  (sqrt (+ (- (exp x) 2.0) (exp (- x))))
  (+ (* (- (pow (exp x) 3) (pow 2.0 3)) (exp x)) (* (+ (* (exp x) (exp x)) (+ (* 2.0 2.0) (* (exp x) 2.0))) 1))
  (* (+ (* (exp x) (exp x)) (+ (* 2.0 2.0) (* (exp x) 2.0))) (exp x))
  (+ (* (- (pow (exp x) 3) (pow 2.0 3)) (exp x)) (* (+ (* (exp x) (exp x)) (+ (* 2.0 2.0) (* (exp x) 2.0))) (exp 0)))
  (* (+ (* (exp x) (exp x)) (+ (* 2.0 2.0) (* (exp x) 2.0))) (exp x))
  (+ (* (- (* (exp x) (exp x)) (* 2.0 2.0)) (exp x)) (* (+ (exp x) 2.0) 1))
  (* (+ (exp x) 2.0) (exp x))
  (+ (* (- (* (exp x) (exp x)) (* 2.0 2.0)) (exp x)) (* (+ (exp x) 2.0) (exp 0)))
  (* (+ (exp x) 2.0) (exp x))
  (+ (pow (- (exp x) 2.0) 3) (pow (exp (- x)) 3))
  (+ (* (- (exp x) 2.0) (- (exp x) 2.0)) (- (* (exp (- x)) (exp (- x))) (* (- (exp x) 2.0) (exp (- x)))))
  (- (* (- (exp x) 2.0) (- (exp x) 2.0)) (* (exp (- x)) (exp (- x))))
  (- (- (exp x) 2.0) (exp (- x)))
  (+ (- (exp x) 2.0) (exp (- x)))
  (+ (- (exp x) 2.0) (exp (- x)))
  (+ (- 2.0) (exp (- x)))
  (+ (- 2.0) (exp (- x)))
  (- 2.0 (exp (- x)))
  (/ (exp (exp x)) (exp 2.0))
  (log (- (exp x) 2.0))
  (exp (- (exp x) 2.0))
  (* (cbrt (- (exp x) 2.0)) (cbrt (- (exp x) 2.0)))
  (cbrt (- (exp x) 2.0))
  (* (* (- (exp x) 2.0) (- (exp x) 2.0)) (- (exp x) 2.0))
  (sqrt (- (exp x) 2.0))
  (sqrt (- (exp x) 2.0))
  (- (pow (exp x) 3) (pow 2.0 3))
  (+ (* (exp x) (exp x)) (+ (* 2.0 2.0) (* (exp x) 2.0)))
  (- 2.0)
  (- (* (exp x) (exp x)) (* 2.0 2.0))
  (+ (exp x) 2.0)
  (+ (sqrt (exp x)) (sqrt 2.0))
  (- (sqrt (exp x)) (sqrt 2.0))
  (- (exp x) 2.0)
  (- 2.0)
  (+ (pow x 2) (+ (* 1/360 (pow x 6)) (* 1/12 (pow x 4))))
  (- (+ (exp x) (exp (- x))) 2.0)
  (- (+ (exp (* -1 x)) (exp x)) 2.0)
  (- (+ (* 1/2 (pow x 2)) x) 1.0)
  (- (exp x) 2.0)
  (- (exp x) 2.0)
0.304 * * [simplify]: iteration  0 :  93  enodes  (cost  511 )
0.325 * * [simplify]: iteration  1 :  212  enodes  (cost  465 )
0.361 * * [simplify]: iteration  2 :  578  enodes  (cost  445 )