8.078 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.087 * * * [progress]: [2/2] Setting up program.
0.089 * [progress]: [Phase 2 of 3] Improving.
0.090 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (+ (- (exp x) 2.0) (exp (- x)))
0.092 * * [simplify]: iteration  0 :  14  enodes  (cost  5 )
0.093 * * [simplify]: iteration  1 :  26  enodes  (cost  5 )
0.094 * * [simplify]: iteration  2 :  41  enodes  (cost  5 )
0.096 * * [simplify]: iteration  3 :  55  enodes  (cost  5 )
0.097 * * [simplify]: iteration  4 :  67  enodes  (cost  5 )
0.099 * * [simplify]: iteration  5 :  104  enodes  (cost  5 )
0.101 * * [simplify]: iteration  6 :  161  enodes  (cost  5 )
0.104 * * [simplify]: iteration  7 :  344  enodes  (cost  5 )
0.113 * * [simplify]: iteration  8 :  1454  enodes  (cost  5 )
0.364 * * [simplify]: iteration  9 :  5001  enodes  (cost  5 )
0.366 * [simplify]: Simplified to:
   (+ (- (exp x) 2.0) (exp (- x)))
0.366 * * [progress]: iteration 1 / 4
0.366 * * * [progress]: picking best candidate
0.368 * * * * [pick]: Picked  #<alt (λ (x) (+ (- (exp x) 2.0) (exp (- x))))>
0.368 * * * [progress]: localizing error
0.374 * * * [progress]: generating rewritten candidates
0.374 * * * * [progress]: [ 1 / 2 ] rewriting at (2)
0.383 * * * * [progress]: [ 2 / 2 ] rewriting at (2 1)
0.389 * * * [progress]: generating series expansions
0.389 * * * * [progress]: [ 1 / 2 ] generating series at (2)
0.389 * [approximate]: Taking taylor expansion of (- (+ (exp x) (exp (- x))) 2.0) in (x) around 0
0.389 * [taylor]: Taking taylor expansion of (- (+ (exp x) (exp (- x))) 2.0) in x
0.389 * [taylor]: Taking taylor expansion of (+ (exp x) (exp (- x))) in x
0.389 * [taylor]: Taking taylor expansion of (exp x) in x
0.389 * [taylor]: Taking taylor expansion of x in x
0.389 * [taylor]: Taking taylor expansion of (exp (- x)) in x
0.389 * [taylor]: Taking taylor expansion of (- x) 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 x) (exp (- x))) 2.0) in x
0.390 * [taylor]: Taking taylor expansion of (+ (exp x) (exp (- x))) in x
0.390 * [taylor]: Taking taylor expansion of (exp x) in x
0.390 * [taylor]: Taking taylor expansion of x in x
0.390 * [taylor]: Taking taylor expansion of (exp (- x)) in x
0.390 * [taylor]: Taking taylor expansion of (- x) in x
0.390 * [taylor]: Taking taylor expansion of x in x
0.391 * [taylor]: Taking taylor expansion of 2.0 in x
0.445 * [approximate]: Taking taylor expansion of (- (+ (exp (/ 1 x)) (exp (- (/ 1 x)))) 2.0) in (x) around 0
0.445 * [taylor]: Taking taylor expansion of (- (+ (exp (/ 1 x)) (exp (- (/ 1 x)))) 2.0) in x
0.445 * [taylor]: Taking taylor expansion of (+ (exp (/ 1 x)) (exp (- (/ 1 x)))) in x
0.445 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
0.445 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.445 * [taylor]: Taking taylor expansion of x in x
0.446 * [taylor]: Taking taylor expansion of (exp (- (/ 1 x))) in x
0.446 * [taylor]: Taking taylor expansion of (- (/ 1 x)) in x
0.446 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.446 * [taylor]: Taking taylor expansion of x in x
0.446 * [taylor]: Taking taylor expansion of 2.0 in x
0.446 * [taylor]: Taking taylor expansion of (- (+ (exp (/ 1 x)) (exp (- (/ 1 x)))) 2.0) in x
0.446 * [taylor]: Taking taylor expansion of (+ (exp (/ 1 x)) (exp (- (/ 1 x)))) in x
0.446 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
0.446 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.446 * [taylor]: Taking taylor expansion of x in x
0.446 * [taylor]: Taking taylor expansion of (exp (- (/ 1 x))) in x
0.447 * [taylor]: Taking taylor expansion of (- (/ 1 x)) in x
0.447 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.447 * [taylor]: Taking taylor expansion of x in x
0.447 * [taylor]: Taking taylor expansion of 2.0 in x
0.452 * [approximate]: Taking taylor expansion of (- (+ (exp (/ 1 x)) (exp (/ -1 x))) 2.0) in (x) around 0
0.452 * [taylor]: Taking taylor expansion of (- (+ (exp (/ 1 x)) (exp (/ -1 x))) 2.0) in x
0.452 * [taylor]: Taking taylor expansion of (+ (exp (/ 1 x)) (exp (/ -1 x))) in x
0.452 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
0.452 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.452 * [taylor]: Taking taylor expansion of x in x
0.453 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
0.453 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.453 * [taylor]: Taking taylor expansion of -1 in x
0.453 * [taylor]: Taking taylor expansion of x in x
0.453 * [taylor]: Taking taylor expansion of 2.0 in x
0.453 * [taylor]: Taking taylor expansion of (- (+ (exp (/ 1 x)) (exp (/ -1 x))) 2.0) in x
0.453 * [taylor]: Taking taylor expansion of (+ (exp (/ 1 x)) (exp (/ -1 x))) in x
0.453 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
0.453 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.453 * [taylor]: Taking taylor expansion of x in x
0.453 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
0.453 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.453 * [taylor]: Taking taylor expansion of -1 in x
0.453 * [taylor]: Taking taylor expansion of x in x
0.454 * [taylor]: Taking taylor expansion of 2.0 in x
0.459 * * * * [progress]: [ 2 / 2 ] generating series at (2 1)
0.459 * [approximate]: Taking taylor expansion of (- (exp x) 2.0) in (x) around 0
0.459 * [taylor]: Taking taylor expansion of (- (exp x) 2.0) in x
0.459 * [taylor]: Taking taylor expansion of (exp x) in x
0.459 * [taylor]: Taking taylor expansion of x in x
0.459 * [taylor]: Taking taylor expansion of 2.0 in x
0.459 * [taylor]: Taking taylor expansion of (- (exp x) 2.0) in x
0.459 * [taylor]: Taking taylor expansion of (exp x) in x
0.459 * [taylor]: Taking taylor expansion of x in x
0.459 * [taylor]: Taking taylor expansion of 2.0 in x
0.463 * [approximate]: Taking taylor expansion of (- (exp (/ 1 x)) 2.0) in (x) around 0
0.463 * [taylor]: Taking taylor expansion of (- (exp (/ 1 x)) 2.0) in x
0.463 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
0.463 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.463 * [taylor]: Taking taylor expansion of x in x
0.463 * [taylor]: Taking taylor expansion of 2.0 in x
0.463 * [taylor]: Taking taylor expansion of (- (exp (/ 1 x)) 2.0) in x
0.463 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
0.463 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.463 * [taylor]: Taking taylor expansion of x in x
0.464 * [taylor]: Taking taylor expansion of 2.0 in x
0.467 * [approximate]: Taking taylor expansion of (- (exp (/ -1 x)) 2.0) in (x) around 0
0.467 * [taylor]: Taking taylor expansion of (- (exp (/ -1 x)) 2.0) in x
0.467 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
0.467 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.467 * [taylor]: Taking taylor expansion of -1 in x
0.467 * [taylor]: Taking taylor expansion of x in x
0.467 * [taylor]: Taking taylor expansion of 2.0 in x
0.467 * [taylor]: Taking taylor expansion of (- (exp (/ -1 x)) 2.0) in x
0.467 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
0.467 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.467 * [taylor]: Taking taylor expansion of -1 in x
0.467 * [taylor]: Taking taylor expansion of x in x
0.468 * [taylor]: Taking taylor expansion of 2.0 in x
0.471 * * * [progress]: simplifying candidates
0.472 * [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)
0.477 * * [simplify]: iteration  0 :  282  enodes  (cost  506 )
0.482 * * [simplify]: iteration  1 :  1008  enodes  (cost  381 )
0.502 * * [simplify]: iteration  2 :  5001  enodes  (cost  367 )
0.505 * [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)
0.505 * * * [progress]: adding candidates to table
0.647 * * [progress]: iteration 2 / 4
0.647 * * * [progress]: picking best candidate
0.649 * * * * [pick]: Picked  #<alt (λ (x) (fma x x (fma 1/360 (pow x 6) (* 1/12 (pow x 4)))))>
0.649 * * * [progress]: localizing error
0.658 * * * [progress]: generating rewritten candidates
0.658 * * * * [progress]: [ 1 / 2 ] rewriting at (2 3 3)
0.663 * * * * [progress]: [ 2 / 2 ] rewriting at (2 3)
0.665 * * * [progress]: generating series expansions
0.665 * * * * [progress]: [ 1 / 2 ] generating series at (2 3 3)
0.665 * [approximate]: Taking taylor expansion of (* 1/12 (pow x 4)) in (x) around 0
0.665 * [taylor]: Taking taylor expansion of (* 1/12 (pow x 4)) in x
0.665 * [taylor]: Taking taylor expansion of 1/12 in x
0.665 * [taylor]: Taking taylor expansion of (pow x 4) in x
0.665 * [taylor]: Taking taylor expansion of x in x
0.665 * [taylor]: Taking taylor expansion of (* 1/12 (pow x 4)) in x
0.665 * [taylor]: Taking taylor expansion of 1/12 in x
0.665 * [taylor]: Taking taylor expansion of (pow x 4) in x
0.665 * [taylor]: Taking taylor expansion of x in x
0.677 * [approximate]: Taking taylor expansion of (/ 1/12 (pow x 4)) in (x) around 0
0.677 * [taylor]: Taking taylor expansion of (/ 1/12 (pow x 4)) in x
0.677 * [taylor]: Taking taylor expansion of 1/12 in x
0.677 * [taylor]: Taking taylor expansion of (pow x 4) in x
0.677 * [taylor]: Taking taylor expansion of x in x
0.678 * [taylor]: Taking taylor expansion of (/ 1/12 (pow x 4)) in x
0.678 * [taylor]: Taking taylor expansion of 1/12 in x
0.678 * [taylor]: Taking taylor expansion of (pow x 4) in x
0.678 * [taylor]: Taking taylor expansion of x in x
0.689 * [approximate]: Taking taylor expansion of (/ 1/12 (pow x 4)) in (x) around 0
0.689 * [taylor]: Taking taylor expansion of (/ 1/12 (pow x 4)) in x
0.689 * [taylor]: Taking taylor expansion of 1/12 in x
0.689 * [taylor]: Taking taylor expansion of (pow x 4) in x
0.689 * [taylor]: Taking taylor expansion of x in x
0.690 * [taylor]: Taking taylor expansion of (/ 1/12 (pow x 4)) in x
0.690 * [taylor]: Taking taylor expansion of 1/12 in x
0.690 * [taylor]: Taking taylor expansion of (pow x 4) in x
0.690 * [taylor]: Taking taylor expansion of x in x
0.701 * * * * [progress]: [ 2 / 2 ] generating series at (2 3)
0.702 * [approximate]: Taking taylor expansion of (fma 1/360 (pow x 6) (* 1/12 (pow x 4))) in (x) around 0
0.702 * [taylor]: Taking taylor expansion of (fma 1/360 (pow x 6) (* 1/12 (pow x 4))) in x
0.702 * [taylor]: Rewrote expression to (+ (* 1/360 (pow x 6)) (* 1/12 (pow x 4)))
0.702 * [taylor]: Taking taylor expansion of (* 1/360 (pow x 6)) in x
0.702 * [taylor]: Taking taylor expansion of 1/360 in x
0.702 * [taylor]: Taking taylor expansion of (pow x 6) in x
0.702 * [taylor]: Taking taylor expansion of x in x
0.702 * [taylor]: Taking taylor expansion of (* 1/12 (pow x 4)) in x
0.702 * [taylor]: Taking taylor expansion of 1/12 in x
0.702 * [taylor]: Taking taylor expansion of (pow x 4) in x
0.702 * [taylor]: Taking taylor expansion of x in x
0.702 * [taylor]: Taking taylor expansion of (fma 1/360 (pow x 6) (* 1/12 (pow x 4))) in x
0.702 * [taylor]: Rewrote expression to (+ (* 1/360 (pow x 6)) (* 1/12 (pow x 4)))
0.702 * [taylor]: Taking taylor expansion of (* 1/360 (pow x 6)) in x
0.702 * [taylor]: Taking taylor expansion of 1/360 in x
0.702 * [taylor]: Taking taylor expansion of (pow x 6) in x
0.702 * [taylor]: Taking taylor expansion of x in x
0.702 * [taylor]: Taking taylor expansion of (* 1/12 (pow x 4)) in x
0.702 * [taylor]: Taking taylor expansion of 1/12 in x
0.702 * [taylor]: Taking taylor expansion of (pow x 4) in x
0.702 * [taylor]: Taking taylor expansion of x in x
0.743 * [approximate]: Taking taylor expansion of (fma 1/360 (pow (/ 1 x) 6) (/ 1/12 (pow x 4))) in (x) around 0
0.743 * [taylor]: Taking taylor expansion of (fma 1/360 (pow (/ 1 x) 6) (/ 1/12 (pow x 4))) in x
0.743 * [taylor]: Rewrote expression to (+ (* 1/360 (pow (/ 1 x) 6)) (/ 1/12 (pow x 4)))
0.743 * [taylor]: Taking taylor expansion of (* 1/360 (pow (/ 1 x) 6)) in x
0.743 * [taylor]: Taking taylor expansion of 1/360 in x
0.743 * [taylor]: Taking taylor expansion of (pow (/ 1 x) 6) in x
0.743 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.743 * [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
0.744 * [taylor]: Taking taylor expansion of (fma 1/360 (pow (/ 1 x) 6) (/ 1/12 (pow x 4))) in x
0.744 * [taylor]: Rewrote expression to (+ (* 1/360 (pow (/ 1 x) 6)) (/ 1/12 (pow x 4)))
0.744 * [taylor]: Taking taylor expansion of (* 1/360 (pow (/ 1 x) 6)) in x
0.744 * [taylor]: Taking taylor expansion of 1/360 in x
0.744 * [taylor]: Taking taylor expansion of (pow (/ 1 x) 6) in x
0.744 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.744 * [taylor]: Taking taylor expansion of x in x
0.745 * [taylor]: Taking taylor expansion of (/ 1/12 (pow x 4)) in x
0.745 * [taylor]: Taking taylor expansion of 1/12 in x
0.745 * [taylor]: Taking taylor expansion of (pow x 4) in x
0.745 * [taylor]: Taking taylor expansion of x in x
0.783 * [approximate]: Taking taylor expansion of (fma 1/360 (pow (/ -1 x) 6) (/ 1/12 (pow x 4))) in (x) around 0
0.783 * [taylor]: Taking taylor expansion of (fma 1/360 (pow (/ -1 x) 6) (/ 1/12 (pow x 4))) in x
0.783 * [taylor]: Rewrote expression to (+ (* 1/360 (pow (/ -1 x) 6)) (/ 1/12 (pow x 4)))
0.783 * [taylor]: Taking taylor expansion of (* 1/360 (pow (/ -1 x) 6)) in x
0.783 * [taylor]: Taking taylor expansion of 1/360 in x
0.783 * [taylor]: Taking taylor expansion of (pow (/ -1 x) 6) in x
0.783 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.783 * [taylor]: Taking taylor expansion of -1 in x
0.783 * [taylor]: Taking taylor expansion of x in x
0.784 * [taylor]: Taking taylor expansion of (/ 1/12 (pow x 4)) in x
0.784 * [taylor]: Taking taylor expansion of 1/12 in x
0.784 * [taylor]: Taking taylor expansion of (pow x 4) in x
0.784 * [taylor]: Taking taylor expansion of x in x
0.784 * [taylor]: Taking taylor expansion of (fma 1/360 (pow (/ -1 x) 6) (/ 1/12 (pow x 4))) in x
0.785 * [taylor]: Rewrote expression to (+ (* 1/360 (pow (/ -1 x) 6)) (/ 1/12 (pow x 4)))
0.785 * [taylor]: Taking taylor expansion of (* 1/360 (pow (/ -1 x) 6)) in x
0.785 * [taylor]: Taking taylor expansion of 1/360 in x
0.785 * [taylor]: Taking taylor expansion of (pow (/ -1 x) 6) in x
0.785 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.785 * [taylor]: Taking taylor expansion of -1 in x
0.785 * [taylor]: Taking taylor expansion of x in x
0.785 * [taylor]: Taking taylor expansion of (/ 1/12 (pow x 4)) in x
0.785 * [taylor]: Taking taylor expansion of 1/12 in x
0.785 * [taylor]: Taking taylor expansion of (pow x 4) in x
0.785 * [taylor]: Taking taylor expansion of x in x
0.829 * * * [progress]: simplifying candidates
0.830 * [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)))
0.834 * * [simplify]: iteration  0 :  123  enodes  (cost  177 )
0.837 * * [simplify]: iteration  1 :  469  enodes  (cost  163 )
0.848 * * [simplify]: iteration  2 :  2175  enodes  (cost  160 )
0.913 * * [simplify]: iteration  3 :  5002  enodes  (cost  160 )
0.915 * [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 2))
  (* (sqrt 1/12) (pow x 2))
  (* (sqrt 1/12) (sqrt (pow x 4)))
  (* (sqrt 1/12) (sqrt (pow x 4)))
  (* (sqrt 1/12) (pow x 2))
  (* (sqrt 1/12) (pow x 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)))
0.915 * * * [progress]: adding candidates to table
0.993 * [progress]: [Phase 3 of 3] Extracting.
0.993 * * [regime]: Finding splitpoints for: (#<alt (λ (x) (fma x x (fma 1/360 (pow x 6) (* 1/12 (pow x 4)))))> #<alt (λ (x) (+ (- (exp x) 2.0) (exp (- x))))>)
0.993 * * * [regime-changes]: Trying 2 branch expressions: ((+ (- (exp x) 2.0) (exp (- x))) x)
0.993 * * * * [regimes]: Trying to branch on (+ (- (exp x) 2.0) (exp (- x))) from (#<alt (λ (x) (fma x x (fma 1/360 (pow x 6) (* 1/12 (pow x 4)))))> #<alt (λ (x) (+ (- (exp x) 2.0) (exp (- x))))>)
1.007 * * * * [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) (+ (- (exp x) 2.0) (exp (- x))))>)
1.020 * * * [regime]: Found split indices: #<option (#s(si 0 255))>
1.020 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (fma x x (fma 1/360 (pow x 6) (* 1/12 (pow x 4))))
1.021 * * [simplify]: iteration  0 :  11  enodes  (cost  5 )
1.021 * * [simplify]: iteration  1 :  11  enodes  (cost  5 )
1.021 * [simplify]: Simplified to:
   (fma x x (fma 1/360 (pow x 6) (* 1/12 (pow x 4))))
3.839 * [regime-testing]: Baseline error score: 0.6017967513225015
3.840 * [regime-testing]: Oracle error score: 0.01685547164006228
3.841 * [regime-testing]: End program error score: 0.6017967513225015
3.870 * [regime-testing]: Target error score: 0.04277000875758509