9.653 * [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.
0.081 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (+ (- (exp x) 2.0) (exp (- x)))
0.083 * * [simplify]: iteration  0 :  14  enodes  (cost  5 )
0.085 * * [simplify]: iteration  1 :  26  enodes  (cost  5 )
0.086 * * [simplify]: iteration  2 :  41  enodes  (cost  5 )
0.088 * * [simplify]: iteration  3 :  55  enodes  (cost  5 )
0.089 * * [simplify]: iteration  4 :  67  enodes  (cost  5 )
0.091 * * [simplify]: iteration  5 :  104  enodes  (cost  5 )
0.093 * * [simplify]: iteration  6 :  161  enodes  (cost  5 )
0.096 * * [simplify]: iteration  7 :  344  enodes  (cost  5 )
0.106 * * [simplify]: iteration  8 :  1454  enodes  (cost  5 )
0.311 * * [simplify]: iteration  9 :  5001  enodes  (cost  5 )
0.312 * [simplify]: Simplified to:
   (+ (- (exp x) 2.0) (exp (- x)))
0.313 * * [progress]: iteration 1 / 4
0.313 * * * [progress]: picking best candidate
0.314 * * * * [pick]: Picked  #<alt (λ (x) (+ (- (exp x) 2.0) (exp (- x))))>
0.314 * * * [progress]: localizing error
0.320 * * * [progress]: generating rewritten candidates
0.321 * * * * [progress]: [ 1 / 2 ] rewriting at (2)
0.329 * * * * [progress]: [ 2 / 2 ] rewriting at (2 1)
0.336 * * * [progress]: generating series expansions
0.336 * * * * [progress]: [ 1 / 2 ] generating series at (2)
0.336 * [approximate]: Taking taylor expansion of (- (+ (exp x) (exp (- x))) 2.0) in (x) around 0
0.336 * [taylor]: Taking taylor expansion of (- (+ (exp x) (exp (- x))) 2.0) in x
0.336 * [taylor]: Taking taylor expansion of (+ (exp x) (exp (- x))) in x
0.336 * [taylor]: Taking taylor expansion of (exp x) in x
0.336 * [taylor]: Taking taylor expansion of x in x
0.336 * [taylor]: Taking taylor expansion of (exp (- x)) in x
0.336 * [taylor]: Taking taylor expansion of (- x) in x
0.336 * [taylor]: Taking taylor expansion of x in x
0.337 * [taylor]: Taking taylor expansion of 2.0 in x
0.337 * [taylor]: Taking taylor expansion of (- (+ (exp x) (exp (- x))) 2.0) in x
0.337 * [taylor]: Taking taylor expansion of (+ (exp x) (exp (- x))) in x
0.337 * [taylor]: Taking taylor expansion of (exp x) in x
0.337 * [taylor]: Taking taylor expansion of x in x
0.337 * [taylor]: Taking taylor expansion of (exp (- x)) in x
0.337 * [taylor]: Taking taylor expansion of (- x) in x
0.337 * [taylor]: Taking taylor expansion of x in x
0.338 * [taylor]: Taking taylor expansion of 2.0 in x
0.382 * [approximate]: Taking taylor expansion of (- (+ (exp (/ 1 x)) (exp (- (/ 1 x)))) 2.0) in (x) around 0
0.382 * [taylor]: Taking taylor expansion of (- (+ (exp (/ 1 x)) (exp (- (/ 1 x)))) 2.0) in x
0.382 * [taylor]: Taking taylor expansion of (+ (exp (/ 1 x)) (exp (- (/ 1 x)))) in x
0.382 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
0.382 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.382 * [taylor]: Taking taylor expansion of x in x
0.383 * [taylor]: Taking taylor expansion of (exp (- (/ 1 x))) in x
0.383 * [taylor]: Taking taylor expansion of (- (/ 1 x)) in x
0.383 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.383 * [taylor]: Taking taylor expansion of x in x
0.383 * [taylor]: Taking taylor expansion of 2.0 in x
0.383 * [taylor]: Taking taylor expansion of (- (+ (exp (/ 1 x)) (exp (- (/ 1 x)))) 2.0) in x
0.383 * [taylor]: Taking taylor expansion of (+ (exp (/ 1 x)) (exp (- (/ 1 x)))) in x
0.383 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
0.383 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.383 * [taylor]: Taking taylor expansion of x in x
0.384 * [taylor]: Taking taylor expansion of (exp (- (/ 1 x))) in x
0.384 * [taylor]: Taking taylor expansion of (- (/ 1 x)) in x
0.384 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.384 * [taylor]: Taking taylor expansion of x in x
0.384 * [taylor]: Taking taylor expansion of 2.0 in x
0.389 * [approximate]: Taking taylor expansion of (- (+ (exp (/ 1 x)) (exp (/ -1 x))) 2.0) in (x) around 0
0.389 * [taylor]: Taking taylor expansion of (- (+ (exp (/ 1 x)) (exp (/ -1 x))) 2.0) in x
0.389 * [taylor]: Taking taylor expansion of (+ (exp (/ 1 x)) (exp (/ -1 x))) in x
0.389 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
0.389 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.389 * [taylor]: Taking taylor expansion of x in x
0.390 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
0.390 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.390 * [taylor]: Taking taylor expansion of -1 in x
0.390 * [taylor]: Taking taylor expansion of x in x
0.390 * [taylor]: Taking taylor expansion of 2.0 in x
0.390 * [taylor]: Taking taylor expansion of (- (+ (exp (/ 1 x)) (exp (/ -1 x))) 2.0) in x
0.390 * [taylor]: Taking taylor expansion of (+ (exp (/ 1 x)) (exp (/ -1 x))) in x
0.390 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
0.390 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.390 * [taylor]: Taking taylor expansion of x in x
0.390 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
0.390 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.390 * [taylor]: Taking taylor expansion of -1 in x
0.390 * [taylor]: Taking taylor expansion of x in x
0.391 * [taylor]: Taking taylor expansion of 2.0 in x
0.395 * * * * [progress]: [ 2 / 2 ] generating series at (2 1)
0.396 * [approximate]: Taking taylor expansion of (- (exp x) 2.0) in (x) around 0
0.396 * [taylor]: Taking taylor expansion of (- (exp x) 2.0) in x
0.396 * [taylor]: Taking taylor expansion of (exp x) in x
0.396 * [taylor]: Taking taylor expansion of x in x
0.396 * [taylor]: Taking taylor expansion of 2.0 in x
0.396 * [taylor]: Taking taylor expansion of (- (exp x) 2.0) in x
0.396 * [taylor]: Taking taylor expansion of (exp x) in x
0.396 * [taylor]: Taking taylor expansion of x in x
0.396 * [taylor]: Taking taylor expansion of 2.0 in x
0.400 * [approximate]: Taking taylor expansion of (- (exp (/ 1 x)) 2.0) in (x) around 0
0.400 * [taylor]: Taking taylor expansion of (- (exp (/ 1 x)) 2.0) in x
0.400 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
0.400 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.400 * [taylor]: Taking taylor expansion of x in x
0.400 * [taylor]: Taking taylor expansion of 2.0 in x
0.400 * [taylor]: Taking taylor expansion of (- (exp (/ 1 x)) 2.0) in x
0.400 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
0.400 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.400 * [taylor]: Taking taylor expansion of x in x
0.400 * [taylor]: Taking taylor expansion of 2.0 in x
0.404 * [approximate]: Taking taylor expansion of (- (exp (/ -1 x)) 2.0) in (x) around 0
0.404 * [taylor]: Taking taylor expansion of (- (exp (/ -1 x)) 2.0) in x
0.404 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
0.404 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.404 * [taylor]: Taking taylor expansion of -1 in x
0.404 * [taylor]: Taking taylor expansion of x in x
0.404 * [taylor]: Taking taylor expansion of 2.0 in x
0.404 * [taylor]: Taking taylor expansion of (- (exp (/ -1 x)) 2.0) in x
0.404 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
0.404 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.404 * [taylor]: Taking taylor expansion of -1 in x
0.404 * [taylor]: Taking taylor expansion of x in x
0.405 * [taylor]: Taking taylor expansion of 2.0 in x
0.408 * * * [progress]: simplifying candidates
0.409 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (expm1 (+ (- (exp x) 2.0) (exp (- x))))
  (log1p (+ (- (exp x) 2.0) (exp (- x))))
  (* (/ (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)))
  (+ (fma (- (cbrt 2.0)) (* (cbrt 2.0) (cbrt 2.0)) (* (cbrt 2.0) (* (cbrt 2.0) (cbrt 2.0)))) (exp (- x)))
  (+ (fma (- (sqrt 2.0)) (sqrt 2.0) (* (sqrt 2.0) (sqrt 2.0))) (exp (- x)))
  (+ (fma (- 2.0) 1 (* 2.0 1)) (exp (- x)))
  (+ (fma (- (cbrt 2.0)) (* (cbrt 2.0) (cbrt 2.0)) (* (cbrt 2.0) (* (cbrt 2.0) (cbrt 2.0)))) (exp (- x)))
  (+ (fma (- (sqrt 2.0)) (sqrt 2.0) (* (sqrt 2.0) (sqrt 2.0))) (exp (- x)))
  (+ (fma (- 2.0) 1 (* 2.0 1)) (exp (- x)))
  (+ (fma (- (cbrt 2.0)) (* (cbrt 2.0) (cbrt 2.0)) (* (cbrt 2.0) (* (cbrt 2.0) (cbrt 2.0)))) (exp (- x)))
  (+ (fma (- (sqrt 2.0)) (sqrt 2.0) (* (sqrt 2.0) (sqrt 2.0))) (exp (- x)))
  (+ (fma (- 2.0) 1 (* 2.0 1)) (exp (- x)))
  (+ (- 2.0) (exp (- x)))
  (+ (- 2.0) (exp (- x)))
  (- 2.0 (exp (- x)))
  (fma (* (cbrt (exp x)) (cbrt (exp x))) (cbrt (exp x)) (- (* (cbrt 2.0) (* (cbrt 2.0) (cbrt 2.0)))))
  (fma (- (cbrt 2.0)) (* (cbrt 2.0) (cbrt 2.0)) (* (cbrt 2.0) (* (cbrt 2.0) (cbrt 2.0))))
  (fma (* (cbrt (exp x)) (cbrt (exp x))) (cbrt (exp x)) (- (* (sqrt 2.0) (sqrt 2.0))))
  (fma (- (sqrt 2.0)) (sqrt 2.0) (* (sqrt 2.0) (sqrt 2.0)))
  (fma (* (cbrt (exp x)) (cbrt (exp x))) (cbrt (exp x)) (- (* 2.0 1)))
  (fma (- 2.0) 1 (* 2.0 1))
  (fma (sqrt (exp x)) (sqrt (exp x)) (- (* (cbrt 2.0) (* (cbrt 2.0) (cbrt 2.0)))))
  (fma (- (cbrt 2.0)) (* (cbrt 2.0) (cbrt 2.0)) (* (cbrt 2.0) (* (cbrt 2.0) (cbrt 2.0))))
  (fma (sqrt (exp x)) (sqrt (exp x)) (- (* (sqrt 2.0) (sqrt 2.0))))
  (fma (- (sqrt 2.0)) (sqrt 2.0) (* (sqrt 2.0) (sqrt 2.0)))
  (fma (sqrt (exp x)) (sqrt (exp x)) (- (* 2.0 1)))
  (fma (- 2.0) 1 (* 2.0 1))
  (fma 1 (exp x) (- (* (cbrt 2.0) (* (cbrt 2.0) (cbrt 2.0)))))
  (fma (- (cbrt 2.0)) (* (cbrt 2.0) (cbrt 2.0)) (* (cbrt 2.0) (* (cbrt 2.0) (cbrt 2.0))))
  (fma 1 (exp x) (- (* (sqrt 2.0) (sqrt 2.0))))
  (fma (- (sqrt 2.0)) (sqrt 2.0) (* (sqrt 2.0) (sqrt 2.0)))
  (fma 1 (exp x) (- (* 2.0 1)))
  (fma (- 2.0) 1 (* 2.0 1))
  (expm1 (- (exp x) 2.0))
  (log1p (- (exp x) 2.0))
  (- 2.0)
  (- 2.0)
  (- 2.0)
  (/ (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)
0.414 * * [simplify]: iteration  0 :  282  enodes  (cost  506 )
0.419 * * [simplify]: iteration  1 :  1008  enodes  (cost  381 )
0.440 * * [simplify]: iteration  2 :  5001  enodes  (cost  367 )
0.442 * [simplify]: Simplified to:
   (expm1 (+ (- (exp x) 2.0) (exp (- x))))
  (log1p (+ (- (exp x) 2.0) (exp (- x))))
  (exp (+ (- (exp x) 2.0) (exp (- x))))
  (exp (+ (- (exp x) 2.0) (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))))
  (pow (- (+ (exp (* -1 x)) (exp x)) 2.0) 3)
  (sqrt (+ (- (exp x) 2.0) (exp (- x))))
  (sqrt (+ (- (exp x) 2.0) (exp (- x))))
  (fma (exp x) (- (pow (exp x) 3) (pow 2.0 3)) (fma 2.0 (+ (exp x) 2.0) (exp (+ x x))))
  (fma (exp x) (fma 2.0 2.0 (* (exp x) 2.0)) (pow (exp x) 3))
  (fma (exp x) (- (pow (exp x) 3) (pow 2.0 3)) (fma 2.0 (+ (exp x) 2.0) (exp (+ x x))))
  (fma (exp x) (fma 2.0 2.0 (* (exp x) 2.0)) (pow (exp x) 3))
  (fma (exp x) (fma (- 2.0) 2.0 (exp (+ x x))) (+ (exp x) 2.0))
  (* (+ (exp x) 2.0) (exp x))
  (fma (exp x) (fma (- 2.0) 2.0 (exp (+ x x))) (+ (exp x) 2.0))
  (* (+ (exp x) 2.0) (exp x))
  (+ (pow (- (exp x) 2.0) 3) (pow (exp (- x)) 3))
  (fma (exp (* -1 x)) (- (exp (- x)) (- (exp x) 2.0)) (* (- (exp x) 2.0) (- (exp x) 2.0)))
  (- (* (- (exp x) 2.0) (- (exp x) 2.0)) (* (exp (- x)) (exp (- x))))
  (- (- (exp x) 2.0) (exp (- x)))
  (- (+ (exp (* -1 x)) (exp x)) 2.0)
  (- (+ (exp (* -1 x)) (exp x)) 2.0)
  (+ (- (exp (* -1 x)) 2.0) 2.0)
  (+ (- (exp (* -1 x)) 2.0) 2.0)
  (+ (- (exp (* -1 x)) 2.0) 2.0)
  (+ (- (exp (* -1 x)) 2.0) 2.0)
  (+ (- (exp (* -1 x)) 2.0) 2.0)
  (+ (- (exp (* -1 x)) 2.0) 2.0)
  (+ (- (exp (* -1 x)) 2.0) 2.0)
  (+ (- (exp (* -1 x)) 2.0) 2.0)
  (+ (- (exp (* -1 x)) 2.0) 2.0)
  (- (exp (* -1 x)) 2.0)
  (- (exp (* -1 x)) 2.0)
  (- 2.0 (exp (- x)))
  (- (* (* (cbrt (exp x)) (cbrt (exp x))) (cbrt (exp x))) 2.0)
  (fma (- 2.0) 1 2.0)
  (- (* (* (cbrt (exp x)) (cbrt (exp x))) (cbrt (exp x))) 2.0)
  (fma (- 2.0) 1 2.0)
  (- (* (* (cbrt (exp x)) (cbrt (exp x))) (cbrt (exp x))) 2.0)
  (fma (- 2.0) 1 2.0)
  (- (exp x) 2.0)
  (fma (- 2.0) 1 2.0)
  (- (exp x) 2.0)
  (fma (- 2.0) 1 2.0)
  (- (exp x) 2.0)
  (fma (- 2.0) 1 2.0)
  (- (exp x) 2.0)
  (fma (- 2.0) 1 2.0)
  (- (exp x) 2.0)
  (fma (- 2.0) 1 2.0)
  (- (exp x) 2.0)
  (fma (- 2.0) 1 2.0)
  (expm1 (- (exp x) 2.0))
  (log1p (- (exp x) 2.0))
  (- 2.0)
  (- 2.0)
  (- 2.0)
  (exp (- (exp x) 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))
  (pow (- (exp x) 2.0) 3)
  (sqrt (- (exp x) 2.0))
  (sqrt (- (exp x) 2.0))
  (- (pow (exp x) 3) (pow 2.0 3))
  (fma 2.0 (+ (exp x) 2.0) (exp (+ x x)))
  (- 2.0)
  (fma (- 2.0) 2.0 (exp (+ x x)))
  (+ (exp x) 2.0)
  (+ (sqrt (exp x)) (sqrt 2.0))
  (- (sqrt (exp x)) (sqrt 2.0))
  (- (exp x) 2.0)
  (- 2.0)
  (fma x x (fma 1/360 (pow x 6) (* 1/12 (pow x 4))))
  (- (+ (exp (* -1 x)) (exp x)) 2.0)
  (- (+ (exp (* -1 x)) (exp x)) 2.0)
  (fma (pow x 2) 1/2 (- x 1.0))
  (- (exp x) 2.0)
  (- (exp x) 2.0)
0.443 * * * [progress]: adding candidates to table
0.599 * * [progress]: iteration 2 / 4
0.599 * * * [progress]: picking best candidate
0.603 * * * * [pick]: Picked  #<alt (λ (x) (fma x x (fma 1/360 (pow x 6) (* 1/12 (pow x 4)))))>
0.603 * * * [progress]: localizing error
0.613 * * * [progress]: generating rewritten candidates
0.613 * * * * [progress]: [ 1 / 2 ] rewriting at (2 3 3)
0.618 * * * * [progress]: [ 2 / 2 ] rewriting at (2 3)
0.620 * * * [progress]: generating series expansions
0.620 * * * * [progress]: [ 1 / 2 ] generating series at (2 3 3)
0.620 * [approximate]: Taking taylor expansion of (* 1/12 (pow x 4)) in (x) around 0
0.620 * [taylor]: Taking taylor expansion of (* 1/12 (pow x 4)) in x
0.620 * [taylor]: Taking taylor expansion of 1/12 in x
0.621 * [taylor]: Taking taylor expansion of (pow x 4) in x
0.621 * [taylor]: Taking taylor expansion of x in x
0.621 * [taylor]: Taking taylor expansion of (* 1/12 (pow x 4)) in x
0.621 * [taylor]: Taking taylor expansion of 1/12 in x
0.621 * [taylor]: Taking taylor expansion of (pow x 4) in x
0.621 * [taylor]: Taking taylor expansion of x in x
0.637 * [approximate]: Taking taylor expansion of (/ 1/12 (pow x 4)) in (x) around 0
0.637 * [taylor]: Taking taylor expansion of (/ 1/12 (pow x 4)) in x
0.637 * [taylor]: Taking taylor expansion of 1/12 in x
0.637 * [taylor]: Taking taylor expansion of (pow x 4) in x
0.637 * [taylor]: Taking taylor expansion of x in x
0.638 * [taylor]: Taking taylor expansion of (/ 1/12 (pow x 4)) in x
0.638 * [taylor]: Taking taylor expansion of 1/12 in x
0.638 * [taylor]: Taking taylor expansion of (pow x 4) in x
0.638 * [taylor]: Taking taylor expansion of x in x
0.649 * [approximate]: Taking taylor expansion of (/ 1/12 (pow x 4)) in (x) around 0
0.649 * [taylor]: Taking taylor expansion of (/ 1/12 (pow x 4)) in x
0.649 * [taylor]: Taking taylor expansion of 1/12 in x
0.649 * [taylor]: Taking taylor expansion of (pow x 4) in x
0.649 * [taylor]: Taking taylor expansion of x in x
0.650 * [taylor]: Taking taylor expansion of (/ 1/12 (pow x 4)) in x
0.650 * [taylor]: Taking taylor expansion of 1/12 in x
0.650 * [taylor]: Taking taylor expansion of (pow x 4) in x
0.650 * [taylor]: Taking taylor expansion of x in x
0.661 * * * * [progress]: [ 2 / 2 ] generating series at (2 3)
0.661 * [approximate]: Taking taylor expansion of (fma 1/360 (pow x 6) (* 1/12 (pow x 4))) in (x) around 0
0.661 * [taylor]: Taking taylor expansion of (fma 1/360 (pow x 6) (* 1/12 (pow x 4))) in x
0.662 * [taylor]: Rewrote expression to (+ (* 1/360 (pow x 6)) (* 1/12 (pow x 4)))
0.662 * [taylor]: Taking taylor expansion of (* 1/360 (pow x 6)) in x
0.662 * [taylor]: Taking taylor expansion of 1/360 in x
0.662 * [taylor]: Taking taylor expansion of (pow x 6) in x
0.662 * [taylor]: Taking taylor expansion of x in x
0.662 * [taylor]: Taking taylor expansion of (* 1/12 (pow x 4)) in x
0.662 * [taylor]: Taking taylor expansion of 1/12 in x
0.662 * [taylor]: Taking taylor expansion of (pow x 4) in x
0.662 * [taylor]: Taking taylor expansion of x in x
0.662 * [taylor]: Taking taylor expansion of (fma 1/360 (pow x 6) (* 1/12 (pow x 4))) in x
0.662 * [taylor]: Rewrote expression to (+ (* 1/360 (pow x 6)) (* 1/12 (pow x 4)))
0.662 * [taylor]: Taking taylor expansion of (* 1/360 (pow x 6)) in x
0.662 * [taylor]: Taking taylor expansion of 1/360 in x
0.662 * [taylor]: Taking taylor expansion of (pow x 6) in x
0.662 * [taylor]: Taking taylor expansion of x in x
0.662 * [taylor]: Taking taylor expansion of (* 1/12 (pow x 4)) in x
0.662 * [taylor]: Taking taylor expansion of 1/12 in x
0.662 * [taylor]: Taking taylor expansion of (pow x 4) in x
0.662 * [taylor]: Taking taylor expansion of x in x
0.696 * [approximate]: Taking taylor expansion of (fma 1/360 (pow (/ 1 x) 6) (/ 1/12 (pow x 4))) in (x) around 0
0.696 * [taylor]: Taking taylor expansion of (fma 1/360 (pow (/ 1 x) 6) (/ 1/12 (pow x 4))) in x
0.696 * [taylor]: Rewrote expression to (+ (* 1/360 (pow (/ 1 x) 6)) (/ 1/12 (pow x 4)))
0.696 * [taylor]: Taking taylor expansion of (* 1/360 (pow (/ 1 x) 6)) in x
0.696 * [taylor]: Taking taylor expansion of 1/360 in x
0.696 * [taylor]: Taking taylor expansion of (pow (/ 1 x) 6) in x
0.696 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.696 * [taylor]: Taking taylor expansion of x in x
0.696 * [taylor]: Taking taylor expansion of (/ 1/12 (pow x 4)) in x
0.696 * [taylor]: Taking taylor expansion of 1/12 in x
0.696 * [taylor]: Taking taylor expansion of (pow x 4) in x
0.696 * [taylor]: Taking taylor expansion of x in x
0.697 * [taylor]: Taking taylor expansion of (fma 1/360 (pow (/ 1 x) 6) (/ 1/12 (pow x 4))) in x
0.697 * [taylor]: Rewrote expression to (+ (* 1/360 (pow (/ 1 x) 6)) (/ 1/12 (pow x 4)))
0.697 * [taylor]: Taking taylor expansion of (* 1/360 (pow (/ 1 x) 6)) in x
0.697 * [taylor]: Taking taylor expansion of 1/360 in x
0.697 * [taylor]: Taking taylor expansion of (pow (/ 1 x) 6) in x
0.697 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.697 * [taylor]: Taking taylor expansion of x in x
0.697 * [taylor]: Taking taylor expansion of (/ 1/12 (pow x 4)) in x
0.697 * [taylor]: Taking taylor expansion of 1/12 in x
0.697 * [taylor]: Taking taylor expansion of (pow x 4) in x
0.697 * [taylor]: Taking taylor expansion of x in x
0.741 * [approximate]: Taking taylor expansion of (fma 1/360 (pow (/ -1 x) 6) (/ 1/12 (pow x 4))) in (x) around 0
0.741 * [taylor]: Taking taylor expansion of (fma 1/360 (pow (/ -1 x) 6) (/ 1/12 (pow x 4))) in x
0.741 * [taylor]: Rewrote expression to (+ (* 1/360 (pow (/ -1 x) 6)) (/ 1/12 (pow x 4)))
0.741 * [taylor]: Taking taylor expansion of (* 1/360 (pow (/ -1 x) 6)) in x
0.741 * [taylor]: Taking taylor expansion of 1/360 in x
0.741 * [taylor]: Taking taylor expansion of (pow (/ -1 x) 6) in x
0.741 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.741 * [taylor]: Taking taylor expansion of -1 in x
0.741 * [taylor]: Taking taylor expansion of x in x
0.741 * [taylor]: Taking taylor expansion of (/ 1/12 (pow x 4)) in x
0.741 * [taylor]: Taking taylor expansion of 1/12 in x
0.741 * [taylor]: Taking taylor expansion of (pow x 4) in x
0.741 * [taylor]: Taking taylor expansion of x in x
0.742 * [taylor]: Taking taylor expansion of (fma 1/360 (pow (/ -1 x) 6) (/ 1/12 (pow x 4))) in x
0.742 * [taylor]: Rewrote expression to (+ (* 1/360 (pow (/ -1 x) 6)) (/ 1/12 (pow x 4)))
0.742 * [taylor]: Taking taylor expansion of (* 1/360 (pow (/ -1 x) 6)) in x
0.742 * [taylor]: Taking taylor expansion of 1/360 in x
0.742 * [taylor]: Taking taylor expansion of (pow (/ -1 x) 6) in x
0.742 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.742 * [taylor]: Taking taylor expansion of -1 in x
0.742 * [taylor]: Taking taylor expansion of x in x
0.743 * [taylor]: Taking taylor expansion of (/ 1/12 (pow x 4)) in x
0.743 * [taylor]: Taking taylor expansion of 1/12 in x
0.743 * [taylor]: Taking taylor expansion of (pow x 4) in x
0.743 * [taylor]: Taking taylor expansion of x in x
0.787 * * * [progress]: simplifying candidates
0.788 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (expm1 (* 1/12 (pow x 4)))
  (log1p (* 1/12 (pow x 4)))
  (+ (log 1/12) (* (log x) 4))
  (+ (log 1/12) (* (log x) 4))
  (+ (log 1/12) (log (pow x 4)))
  (log (* 1/12 (pow x 4)))
  (exp (* 1/12 (pow x 4)))
  (* (* (* 1/12 1/12) 1/12) (* (* (pow x 4) (pow x 4)) (pow x 4)))
  (* (cbrt (* 1/12 (pow x 4))) (cbrt (* 1/12 (pow x 4))))
  (cbrt (* 1/12 (pow x 4)))
  (* (* (* 1/12 (pow x 4)) (* 1/12 (pow x 4))) (* 1/12 (pow x 4)))
  (sqrt (* 1/12 (pow x 4)))
  (sqrt (* 1/12 (pow x 4)))
  (* (sqrt 1/12) (pow (sqrt x) 4))
  (* (sqrt 1/12) (pow (sqrt x) 4))
  (* (sqrt 1/12) (sqrt (pow x 4)))
  (* (sqrt 1/12) (sqrt (pow x 4)))
  (* (sqrt 1/12) (pow x (/ 4 2)))
  (* (sqrt 1/12) (pow x (/ 4 2)))
  (* 1/12 (pow (* (cbrt x) (cbrt x)) 4))
  (* 1/12 (pow (sqrt x) 4))
  (* 1/12 (pow 1 4))
  (* 1/12 (* (cbrt (pow x 4)) (cbrt (pow x 4))))
  (* 1/12 (sqrt (pow x 4)))
  (* 1/12 1)
  (* 1/12 (pow x (/ 4 2)))
  (* (cbrt 1/12) (pow x 4))
  (* (sqrt 1/12) (pow x 4))
  (* 1/12 (pow x 4))
  (expm1 (fma 1/360 (pow x 6) (* 1/12 (pow x 4))))
  (log1p (fma 1/360 (pow x 6) (* 1/12 (pow x 4))))
  (* 1/360 (pow x 6))
  (log (fma 1/360 (pow x 6) (* 1/12 (pow x 4))))
  (exp (fma 1/360 (pow x 6) (* 1/12 (pow x 4))))
  (* (cbrt (fma 1/360 (pow x 6) (* 1/12 (pow x 4)))) (cbrt (fma 1/360 (pow x 6) (* 1/12 (pow x 4)))))
  (cbrt (fma 1/360 (pow x 6) (* 1/12 (pow x 4))))
  (* (* (fma 1/360 (pow x 6) (* 1/12 (pow x 4))) (fma 1/360 (pow x 6) (* 1/12 (pow x 4)))) (fma 1/360 (pow x 6) (* 1/12 (pow x 4))))
  (sqrt (fma 1/360 (pow x 6) (* 1/12 (pow x 4))))
  (sqrt (fma 1/360 (pow x 6) (* 1/12 (pow x 4))))
  (* 1/12 (pow x 4))
  (* 1/12 (pow x 4))
  (* 1/12 (pow x 4))
  (+ (* 1/360 (pow x 6)) (* 1/12 (pow x 4)))
  (+ (* 1/360 (pow x 6)) (* 1/12 (pow x 4)))
  (+ (* 1/360 (pow x 6)) (* 1/12 (pow x 4)))
0.792 * * [simplify]: iteration  0 :  122  enodes  (cost  183 )
0.795 * * [simplify]: iteration  1 :  427  enodes  (cost  166 )
0.805 * * [simplify]: iteration  2 :  1923  enodes  (cost  165 )
0.854 * * [simplify]: iteration  3 :  5002  enodes  (cost  164 )
0.855 * [simplify]: Simplified to:
   (expm1 (* 1/12 (pow x 4)))
  (log1p (* 1/12 (pow x 4)))
  (log (* 1/12 (pow x 4)))
  (log (* 1/12 (pow x 4)))
  (log (* 1/12 (pow x 4)))
  (log (* 1/12 (pow x 4)))
  (exp (* 1/12 (pow x 4)))
  (pow (* 1/12 (pow x 4)) 3)
  (* (cbrt (* 1/12 (pow x 4))) (cbrt (* 1/12 (pow x 4))))
  (cbrt (* 1/12 (pow x 4)))
  (pow (* 1/12 (pow x 4)) 3)
  (sqrt (* 1/12 (pow x 4)))
  (sqrt (* 1/12 (pow x 4)))
  (* (sqrt 1/12) (pow x (/ 4 2)))
  (* (sqrt 1/12) (pow x (/ 4 2)))
  (* (sqrt 1/12) (sqrt (pow x 4)))
  (* (sqrt 1/12) (sqrt (pow x 4)))
  (* (sqrt 1/12) (pow x (/ 4 2)))
  (* (sqrt 1/12) (pow x (/ 4 2)))
  (* 1/12 (pow (* (cbrt x) (cbrt x)) 4))
  (* 1/12 (pow x 2))
  1/12
  (* 1/12 (* (cbrt (pow x 4)) (cbrt (pow x 4))))
  (* 1/12 (sqrt (pow x 4)))
  1/12
  (* 1/12 (pow x 2))
  (* (cbrt 1/12) (pow x 4))
  (* (sqrt 1/12) (pow x 4))
  (* 1/12 (pow x 4))
  (expm1 (fma 1/360 (pow x 6) (* 1/12 (pow x 4))))
  (log1p (fma 1/360 (pow x 6) (* 1/12 (pow x 4))))
  (* 1/360 (pow x 6))
  (log (fma 1/360 (pow x 6) (* 1/12 (pow x 4))))
  (exp (fma 1/360 (pow x 6) (* 1/12 (pow x 4))))
  (* (cbrt (fma 1/360 (pow x 6) (* 1/12 (pow x 4)))) (cbrt (fma 1/360 (pow x 6) (* 1/12 (pow x 4)))))
  (cbrt (fma 1/360 (pow x 6) (* 1/12 (pow x 4))))
  (pow (fma 1/360 (pow x 6) (* 1/12 (pow x 4))) 3)
  (sqrt (fma 1/360 (pow x 6) (* 1/12 (pow x 4))))
  (sqrt (fma 1/360 (pow x 6) (* 1/12 (pow x 4))))
  (* 1/12 (pow x 4))
  (* 1/12 (pow x 4))
  (* 1/12 (pow x 4))
  (fma 1/360 (pow x 6) (* 1/12 (pow x 4)))
  (fma 1/360 (pow x 6) (* 1/12 (pow x 4)))
  (fma 1/360 (pow x 6) (* 1/12 (pow x 4)))
0.855 * * * [progress]: adding candidates to table
0.955 * * [progress]: iteration 3 / 4
0.955 * * * [progress]: picking best candidate
0.956 * * * * [pick]: Picked  #<alt (λ (x) (+ (* 1 (- (exp x) 2.0)) (exp (- x))))>
0.957 * * * [progress]: localizing error
0.964 * * * [progress]: generating rewritten candidates
0.964 * * * * [progress]: [ 1 / 2 ] rewriting at (2)
0.975 * * * * [progress]: [ 2 / 2 ] rewriting at (2 1 2)
0.982 * * * [progress]: generating series expansions
0.982 * * * * [progress]: [ 1 / 2 ] generating series at (2)
0.982 * [approximate]: Taking taylor expansion of (- (+ (exp x) (exp (- x))) 2.0) in (x) around 0
0.982 * [taylor]: Taking taylor expansion of (- (+ (exp x) (exp (- x))) 2.0) in x
0.982 * [taylor]: Taking taylor expansion of (+ (exp x) (exp (- x))) in x
0.982 * [taylor]: Taking taylor expansion of (exp x) in x
0.982 * [taylor]: Taking taylor expansion of x in x
0.982 * [taylor]: Taking taylor expansion of (exp (- x)) in x
0.982 * [taylor]: Taking taylor expansion of (- x) in x
0.982 * [taylor]: Taking taylor expansion of x in x
0.983 * [taylor]: Taking taylor expansion of 2.0 in x
0.983 * [taylor]: Taking taylor expansion of (- (+ (exp x) (exp (- x))) 2.0) in x
0.983 * [taylor]: Taking taylor expansion of (+ (exp x) (exp (- x))) in x
0.983 * [taylor]: Taking taylor expansion of (exp x) in x
0.983 * [taylor]: Taking taylor expansion of x in x
0.983 * [taylor]: Taking taylor expansion of (exp (- x)) in x
0.983 * [taylor]: Taking taylor expansion of (- x) in x
0.983 * [taylor]: Taking taylor expansion of x in x
0.984 * [taylor]: Taking taylor expansion of 2.0 in x
1.027 * [approximate]: Taking taylor expansion of (- (+ (exp (/ 1 x)) (exp (- (/ 1 x)))) 2.0) in (x) around 0
1.028 * [taylor]: Taking taylor expansion of (- (+ (exp (/ 1 x)) (exp (- (/ 1 x)))) 2.0) in x
1.028 * [taylor]: Taking taylor expansion of (+ (exp (/ 1 x)) (exp (- (/ 1 x)))) in x
1.028 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
1.028 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.028 * [taylor]: Taking taylor expansion of x in x
1.028 * [taylor]: Taking taylor expansion of (exp (- (/ 1 x))) in x
1.028 * [taylor]: Taking taylor expansion of (- (/ 1 x)) in x
1.028 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.028 * [taylor]: Taking taylor expansion of x in x
1.028 * [taylor]: Taking taylor expansion of 2.0 in x
1.029 * [taylor]: Taking taylor expansion of (- (+ (exp (/ 1 x)) (exp (- (/ 1 x)))) 2.0) in x
1.029 * [taylor]: Taking taylor expansion of (+ (exp (/ 1 x)) (exp (- (/ 1 x)))) in x
1.029 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
1.029 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.029 * [taylor]: Taking taylor expansion of x in x
1.029 * [taylor]: Taking taylor expansion of (exp (- (/ 1 x))) in x
1.029 * [taylor]: Taking taylor expansion of (- (/ 1 x)) in x
1.029 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.029 * [taylor]: Taking taylor expansion of x in x
1.029 * [taylor]: Taking taylor expansion of 2.0 in x
1.034 * [approximate]: Taking taylor expansion of (- (+ (exp (/ 1 x)) (exp (/ -1 x))) 2.0) in (x) around 0
1.034 * [taylor]: Taking taylor expansion of (- (+ (exp (/ 1 x)) (exp (/ -1 x))) 2.0) in x
1.034 * [taylor]: Taking taylor expansion of (+ (exp (/ 1 x)) (exp (/ -1 x))) in x
1.034 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
1.034 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.035 * [taylor]: Taking taylor expansion of x in x
1.035 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
1.035 * [taylor]: Taking taylor expansion of (/ -1 x) in x
1.035 * [taylor]: Taking taylor expansion of -1 in x
1.035 * [taylor]: Taking taylor expansion of x in x
1.035 * [taylor]: Taking taylor expansion of 2.0 in x
1.035 * [taylor]: Taking taylor expansion of (- (+ (exp (/ 1 x)) (exp (/ -1 x))) 2.0) in x
1.035 * [taylor]: Taking taylor expansion of (+ (exp (/ 1 x)) (exp (/ -1 x))) in x
1.035 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
1.035 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.035 * [taylor]: Taking taylor expansion of x in x
1.036 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
1.036 * [taylor]: Taking taylor expansion of (/ -1 x) in x
1.036 * [taylor]: Taking taylor expansion of -1 in x
1.036 * [taylor]: Taking taylor expansion of x in x
1.036 * [taylor]: Taking taylor expansion of 2.0 in x
1.041 * * * * [progress]: [ 2 / 2 ] generating series at (2 1 2)
1.041 * [approximate]: Taking taylor expansion of (- (exp x) 2.0) in (x) around 0
1.041 * [taylor]: Taking taylor expansion of (- (exp x) 2.0) in x
1.041 * [taylor]: Taking taylor expansion of (exp x) in x
1.041 * [taylor]: Taking taylor expansion of x in x
1.041 * [taylor]: Taking taylor expansion of 2.0 in x
1.041 * [taylor]: Taking taylor expansion of (- (exp x) 2.0) in x
1.041 * [taylor]: Taking taylor expansion of (exp x) in x
1.041 * [taylor]: Taking taylor expansion of x in x
1.041 * [taylor]: Taking taylor expansion of 2.0 in x
1.045 * [approximate]: Taking taylor expansion of (- (exp (/ 1 x)) 2.0) in (x) around 0
1.045 * [taylor]: Taking taylor expansion of (- (exp (/ 1 x)) 2.0) in x
1.045 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
1.045 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.045 * [taylor]: Taking taylor expansion of x in x
1.045 * [taylor]: Taking taylor expansion of 2.0 in x
1.045 * [taylor]: Taking taylor expansion of (- (exp (/ 1 x)) 2.0) in x
1.045 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
1.045 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.045 * [taylor]: Taking taylor expansion of x in x
1.045 * [taylor]: Taking taylor expansion of 2.0 in x
1.049 * [approximate]: Taking taylor expansion of (- (exp (/ -1 x)) 2.0) in (x) around 0
1.049 * [taylor]: Taking taylor expansion of (- (exp (/ -1 x)) 2.0) in x
1.049 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
1.049 * [taylor]: Taking taylor expansion of (/ -1 x) in x
1.049 * [taylor]: Taking taylor expansion of -1 in x
1.049 * [taylor]: Taking taylor expansion of x in x
1.049 * [taylor]: Taking taylor expansion of 2.0 in x
1.049 * [taylor]: Taking taylor expansion of (- (exp (/ -1 x)) 2.0) in x
1.049 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
1.049 * [taylor]: Taking taylor expansion of (/ -1 x) in x
1.049 * [taylor]: Taking taylor expansion of -1 in x
1.049 * [taylor]: Taking taylor expansion of x in x
1.050 * [taylor]: Taking taylor expansion of 2.0 in x
1.053 * * * [progress]: simplifying candidates
1.054 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (expm1 (+ (* 1 (- (exp x) 2.0)) (exp (- x))))
  (log1p (+ (* 1 (- (exp x) 2.0)) (exp (- x))))
  (* (exp (* 1 (- (exp x) 2.0))) (exp (exp (- x))))
  (log (+ (* 1 (- (exp x) 2.0)) (exp (- x))))
  (exp (+ (* 1 (- (exp x) 2.0)) (exp (- x))))
  (* (cbrt (+ (* 1 (- (exp x) 2.0)) (exp (- x)))) (cbrt (+ (* 1 (- (exp x) 2.0)) (exp (- x)))))
  (cbrt (+ (* 1 (- (exp x) 2.0)) (exp (- x))))
  (* (* (+ (* 1 (- (exp x) 2.0)) (exp (- x))) (+ (* 1 (- (exp x) 2.0)) (exp (- x)))) (+ (* 1 (- (exp x) 2.0)) (exp (- x))))
  (sqrt (+ (* 1 (- (exp x) 2.0)) (exp (- x))))
  (sqrt (+ (* 1 (- (exp x) 2.0)) (exp (- x))))
  (+ (* (* 1 (- (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))
  (+ (* (* 1 (- (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))
  (+ (* (* 1 (- (* (exp x) (exp x)) (* 2.0 2.0))) (exp x)) (* (+ (exp x) 2.0) 1))
  (* (+ (exp x) 2.0) (exp x))
  (+ (* (* 1 (- (* (exp x) (exp x)) (* 2.0 2.0))) (exp x)) (* (+ (exp x) 2.0) (exp 0)))
  (* (+ (exp x) 2.0) (exp x))
  (+ (pow (* 1 (- (exp x) 2.0)) 3) (pow (exp (- x)) 3))
  (+ (* (* 1 (- (exp x) 2.0)) (* 1 (- (exp x) 2.0))) (- (* (exp (- x)) (exp (- x))) (* (* 1 (- (exp x) 2.0)) (exp (- x)))))
  (- (* (* 1 (- (exp x) 2.0)) (* 1 (- (exp x) 2.0))) (* (exp (- x)) (exp (- x))))
  (- (* 1 (- (exp x) 2.0)) (exp (- x)))
  (+ (- (exp x) 2.0) (exp (- x)))
  (+ (* 1 (fma (- (cbrt 2.0)) (* (cbrt 2.0) (cbrt 2.0)) (* (cbrt 2.0) (* (cbrt 2.0) (cbrt 2.0))))) (exp (- x)))
  (+ (* 1 (fma (- (sqrt 2.0)) (sqrt 2.0) (* (sqrt 2.0) (sqrt 2.0)))) (exp (- x)))
  (+ (* 1 (fma (- 2.0) 1 (* 2.0 1))) (exp (- x)))
  (+ (* 1 (fma (- (cbrt 2.0)) (* (cbrt 2.0) (cbrt 2.0)) (* (cbrt 2.0) (* (cbrt 2.0) (cbrt 2.0))))) (exp (- x)))
  (+ (* 1 (fma (- (sqrt 2.0)) (sqrt 2.0) (* (sqrt 2.0) (sqrt 2.0)))) (exp (- x)))
  (+ (* 1 (fma (- 2.0) 1 (* 2.0 1))) (exp (- x)))
  (+ (* 1 (fma (- (cbrt 2.0)) (* (cbrt 2.0) (cbrt 2.0)) (* (cbrt 2.0) (* (cbrt 2.0) (cbrt 2.0))))) (exp (- x)))
  (+ (* 1 (fma (- (sqrt 2.0)) (sqrt 2.0) (* (sqrt 2.0) (sqrt 2.0)))) (exp (- x)))
  (+ (* 1 (fma (- 2.0) 1 (* 2.0 1))) (exp (- x)))
  (+ (* 1 (- 2.0)) (exp (- x)))
  (+ (* 1 (- 2.0)) (exp (- x)))
  (+ (* (fma (- (cbrt 2.0)) (* (cbrt 2.0) (cbrt 2.0)) (* (cbrt 2.0) (* (cbrt 2.0) (cbrt 2.0)))) 1) (exp (- x)))
  (+ (* (fma (- (sqrt 2.0)) (sqrt 2.0) (* (sqrt 2.0) (sqrt 2.0))) 1) (exp (- x)))
  (+ (* (fma (- 2.0) 1 (* 2.0 1)) 1) (exp (- x)))
  (+ (* (fma (- (cbrt 2.0)) (* (cbrt 2.0) (cbrt 2.0)) (* (cbrt 2.0) (* (cbrt 2.0) (cbrt 2.0)))) 1) (exp (- x)))
  (+ (* (fma (- (sqrt 2.0)) (sqrt 2.0) (* (sqrt 2.0) (sqrt 2.0))) 1) (exp (- x)))
  (+ (* (fma (- 2.0) 1 (* 2.0 1)) 1) (exp (- x)))
  (+ (* (fma (- (cbrt 2.0)) (* (cbrt 2.0) (cbrt 2.0)) (* (cbrt 2.0) (* (cbrt 2.0) (cbrt 2.0)))) 1) (exp (- x)))
  (+ (* (fma (- (sqrt 2.0)) (sqrt 2.0) (* (sqrt 2.0) (sqrt 2.0))) 1) (exp (- x)))
  (+ (* (fma (- 2.0) 1 (* 2.0 1)) 1) (exp (- x)))
  (+ (* (- 2.0) 1) (exp (- x)))
  (+ (* (- 2.0) 1) (exp (- x)))
  (fma (* (cbrt (exp x)) (cbrt (exp x))) (cbrt (exp x)) (- (* (cbrt 2.0) (* (cbrt 2.0) (cbrt 2.0)))))
  (fma (- (cbrt 2.0)) (* (cbrt 2.0) (cbrt 2.0)) (* (cbrt 2.0) (* (cbrt 2.0) (cbrt 2.0))))
  (fma (* (cbrt (exp x)) (cbrt (exp x))) (cbrt (exp x)) (- (* (sqrt 2.0) (sqrt 2.0))))
  (fma (- (sqrt 2.0)) (sqrt 2.0) (* (sqrt 2.0) (sqrt 2.0)))
  (fma (* (cbrt (exp x)) (cbrt (exp x))) (cbrt (exp x)) (- (* 2.0 1)))
  (fma (- 2.0) 1 (* 2.0 1))
  (fma (sqrt (exp x)) (sqrt (exp x)) (- (* (cbrt 2.0) (* (cbrt 2.0) (cbrt 2.0)))))
  (fma (- (cbrt 2.0)) (* (cbrt 2.0) (cbrt 2.0)) (* (cbrt 2.0) (* (cbrt 2.0) (cbrt 2.0))))
  (fma (sqrt (exp x)) (sqrt (exp x)) (- (* (sqrt 2.0) (sqrt 2.0))))
  (fma (- (sqrt 2.0)) (sqrt 2.0) (* (sqrt 2.0) (sqrt 2.0)))
  (fma (sqrt (exp x)) (sqrt (exp x)) (- (* 2.0 1)))
  (fma (- 2.0) 1 (* 2.0 1))
  (fma 1 (exp x) (- (* (cbrt 2.0) (* (cbrt 2.0) (cbrt 2.0)))))
  (fma (- (cbrt 2.0)) (* (cbrt 2.0) (cbrt 2.0)) (* (cbrt 2.0) (* (cbrt 2.0) (cbrt 2.0))))
  (fma 1 (exp x) (- (* (sqrt 2.0) (sqrt 2.0))))
  (fma (- (sqrt 2.0)) (sqrt 2.0) (* (sqrt 2.0) (sqrt 2.0)))
  (fma 1 (exp x) (- (* 2.0 1)))
  (fma (- 2.0) 1 (* 2.0 1))
  (expm1 (- (exp x) 2.0))
  (log1p (- (exp x) 2.0))
  (- 2.0)
  (- 2.0)
  (- 2.0)
  (/ (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)
1.060 * * [simplify]: iteration  0 :  331  enodes  (cost  598 )
1.066 * * [simplify]: iteration  1 :  1211  enodes  (cost  426 )
1.090 * * [simplify]: iteration  2 :  5001  enodes  (cost  403 )
1.092 * [simplify]: Simplified to:
   (expm1 (+ (* 1 (- (exp x) 2.0)) (exp (- x))))
  (log1p (+ (* 1 (- (exp x) 2.0)) (exp (- x))))
  (exp (+ (- (exp x) 2.0) (exp (* -1 x))))
  (log (+ (* 1 (- (exp x) 2.0)) (exp (- x))))
  (exp (+ (- (exp x) 2.0) (exp (* -1 x))))
  (* (cbrt (+ (* 1 (- (exp x) 2.0)) (exp (- x)))) (cbrt (+ (* 1 (- (exp x) 2.0)) (exp (- x)))))
  (cbrt (+ (* 1 (- (exp x) 2.0)) (exp (- x))))
  (pow (+ (- (exp x) 2.0) (exp (- x))) 3)
  (sqrt (+ (* 1 (- (exp x) 2.0)) (exp (- x))))
  (sqrt (+ (* 1 (- (exp x) 2.0)) (exp (- x))))
  (fma (- (pow (exp x) 3) (pow 2.0 3)) (exp x) (fma 2.0 (+ (exp x) 2.0) (exp (+ x x))))
  (fma (exp x) (fma 2.0 2.0 (* (exp x) 2.0)) (pow (exp x) 3))
  (fma (- (pow (exp x) 3) (pow 2.0 3)) (exp x) (fma 2.0 (+ (exp x) 2.0) (exp (+ x x))))
  (fma (exp x) (fma 2.0 2.0 (* (exp x) 2.0)) (pow (exp x) 3))
  (fma (fma (- 2.0) 2.0 (exp (+ x x))) (exp x) (+ (exp x) 2.0))
  (* (+ (exp x) 2.0) (exp x))
  (fma (fma (- 2.0) 2.0 (exp (+ x x))) (exp x) (+ (exp x) 2.0))
  (* (+ (exp x) 2.0) (exp x))
  (fma 1 (pow (- (exp x) 2.0) 3) (pow (exp (- x)) 3))
  (fma (exp (* -1 x)) (- (exp (- x)) (- (exp x) 2.0)) (* (- (exp x) 2.0) (- (exp x) 2.0)))
  (* (+ (- (exp x) 2.0) (exp (* -1 x))) (- (- (exp x) 2.0) (exp (* -1 x))))
  (- (exp x) (+ 2.0 (exp (* -1 x))))
  (+ (- (exp x) 2.0) (exp (- x)))
  (+ (- (exp (* -1 x)) 2.0) 2.0)
  (+ (- (exp (* -1 x)) 2.0) 2.0)
  (+ (- (exp (* -1 x)) 2.0) 2.0)
  (+ (- (exp (* -1 x)) 2.0) 2.0)
  (+ (- (exp (* -1 x)) 2.0) 2.0)
  (+ (- (exp (* -1 x)) 2.0) 2.0)
  (+ (- (exp (* -1 x)) 2.0) 2.0)
  (+ (- (exp (* -1 x)) 2.0) 2.0)
  (+ (- (exp (* -1 x)) 2.0) 2.0)
  (- (exp (* -1 x)) 2.0)
  (- (exp (* -1 x)) 2.0)
  (+ (- (exp (* -1 x)) 2.0) 2.0)
  (+ (- (exp (* -1 x)) 2.0) 2.0)
  (+ (- (exp (* -1 x)) 2.0) 2.0)
  (+ (- (exp (* -1 x)) 2.0) 2.0)
  (+ (- (exp (* -1 x)) 2.0) 2.0)
  (+ (- (exp (* -1 x)) 2.0) 2.0)
  (+ (- (exp (* -1 x)) 2.0) 2.0)
  (+ (- (exp (* -1 x)) 2.0) 2.0)
  (+ (- (exp (* -1 x)) 2.0) 2.0)
  (- (exp (* -1 x)) 2.0)
  (- (exp (* -1 x)) 2.0)
  (fma (* (cbrt (exp x)) (cbrt (exp x))) (cbrt (exp x)) (- 2.0))
  (fma 1 (- 2.0) 2.0)
  (fma (* (cbrt (exp x)) (cbrt (exp x))) (cbrt (exp x)) (- 2.0))
  (fma 1 (- 2.0) 2.0)
  (fma (* (cbrt (exp x)) (cbrt (exp x))) (cbrt (exp x)) (- 2.0))
  (fma 1 (- 2.0) 2.0)
  (- (exp x) 2.0)
  (fma 1 (- 2.0) 2.0)
  (- (exp x) 2.0)
  (fma 1 (- 2.0) 2.0)
  (- (exp x) 2.0)
  (fma 1 (- 2.0) 2.0)
  (- (exp x) 2.0)
  (fma 1 (- 2.0) 2.0)
  (- (exp x) 2.0)
  (fma 1 (- 2.0) 2.0)
  (- (exp x) 2.0)
  (fma 1 (- 2.0) 2.0)
  (expm1 (- (exp x) 2.0))
  (log1p (- (exp x) 2.0))
  (- 2.0)
  (- 2.0)
  (- 2.0)
  (exp (- (exp x) 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))
  (pow (- (exp x) 2.0) 3)
  (sqrt (- (exp x) 2.0))
  (sqrt (- (exp x) 2.0))
  (- (pow (exp x) 3) (pow 2.0 3))
  (fma 2.0 (+ (exp x) 2.0) (exp (+ x x)))
  (- 2.0)
  (fma (- 2.0) 2.0 (exp (+ x x)))
  (+ (exp x) 2.0)
  (+ (sqrt (exp x)) (sqrt 2.0))
  (- (sqrt (exp x)) (sqrt 2.0))
  (- (exp x) 2.0)
  (- 2.0)
  (fma x x (fma 1/360 (pow x 6) (* 1/12 (pow x 4))))
  (+ (- (exp x) 2.0) (exp (- x)))
  (+ (- (exp x) 2.0) (exp (- x)))
  (fma (pow x 2) 1/2 (- x 1.0))
  (- (exp x) 2.0)
  (- (exp x) 2.0)
1.093 * * * [progress]: adding candidates to table
1.252 * [progress]: [Phase 3 of 3] Extracting.
1.252 * * [regime]: Finding splitpoints for: (#<alt (λ (x) (fma x x (fma 1/360 (pow x 6) (* 1/12 (pow x 4)))))> #<alt (λ (x) (+ (* 1 (- (exp x) 2.0)) (exp (- x))))>)
1.252 * * * [regime-changes]: Trying 1 branch expressions: (x)
1.252 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x) (fma x x (fma 1/360 (pow x 6) (* 1/12 (pow x 4)))))> #<alt (λ (x) (+ (* 1 (- (exp x) 2.0)) (exp (- x))))>)
1.263 * * * [regime]: Found split indices: #<option (#s(si 0 255))>
1.263 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (fma x x (fma 1/360 (pow x 6) (* 1/12 (pow x 4))))
1.263 * * [simplify]: iteration  0 :  11  enodes  (cost  5 )
1.264 * * [simplify]: iteration  1 :  11  enodes  (cost  5 )
1.264 * [simplify]: Simplified to:
   (fma x x (fma 1/360 (pow x 6) (* 1/12 (pow x 4))))
3.704 * [regime-testing]: Baseline error score: 0.6814721641882237
3.704 * [regime-testing]: Oracle error score: 0.0335081986773209
3.705 * [regime-testing]: End program error score: 0.6814721641882237
3.735 * [regime-testing]: Target error score: 0.042946910557719924