27.001 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.093 * * * [progress]: [2/2] Setting up program.
0.095 * [progress]: [Phase 2 of 3] Improving.
0.095 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (/ (- (exp x) (exp (- x))) 2.0)
0.097 * * [simplify]: iteration  0 :  14  enodes  (cost  5 )
0.098 * * [simplify]: iteration  1 :  23  enodes  (cost  5 )
0.100 * * [simplify]: iteration  2 :  31  enodes  (cost  5 )
0.101 * * [simplify]: iteration  3 :  36  enodes  (cost  5 )
0.102 * * [simplify]: iteration  4 :  41  enodes  (cost  5 )
0.104 * * [simplify]: iteration  5 :  65  enodes  (cost  5 )
0.105 * * [simplify]: iteration  6 :  103  enodes  (cost  5 )
0.108 * * [simplify]: iteration  7 :  250  enodes  (cost  5 )
0.117 * * [simplify]: iteration  8 :  1252  enodes  (cost  5 )
0.312 * * [simplify]: iteration  9 :  5001  enodes  (cost  5 )
0.313 * [simplify]: Simplified to:
   (/ (- (exp x) (exp (- x))) 2.0)
0.313 * * [progress]: iteration 1 / 4
0.313 * * * [progress]: picking best candidate
0.315 * * * * [pick]: Picked  #<alt (λ (x) (/ (- (exp x) (exp (- x))) 2.0))>
0.315 * * * [progress]: localizing error
0.323 * * * [progress]: generating rewritten candidates
0.323 * * * * [progress]: [ 1 / 1 ] rewriting at (2 1)
0.330 * * * [progress]: generating series expansions
0.330 * * * * [progress]: [ 1 / 1 ] generating series at (2 1)
0.330 * [approximate]: Taking taylor expansion of (- (exp x) (exp (- x))) in (x) around 0
0.330 * [taylor]: Taking taylor expansion of (- (exp x) (exp (- x))) in x
0.330 * [taylor]: Taking taylor expansion of (exp x) in x
0.330 * [taylor]: Taking taylor expansion of x in x
0.330 * [taylor]: Taking taylor expansion of (exp (- x)) in x
0.330 * [taylor]: Taking taylor expansion of (- x) in x
0.330 * [taylor]: Taking taylor expansion of x in x
0.331 * [taylor]: Taking taylor expansion of (- (exp x) (exp (- x))) in x
0.331 * [taylor]: Taking taylor expansion of (exp x) in x
0.331 * [taylor]: Taking taylor expansion of x in x
0.331 * [taylor]: Taking taylor expansion of (exp (- x)) in x
0.331 * [taylor]: Taking taylor expansion of (- x) in x
0.331 * [taylor]: Taking taylor expansion of x in x
0.355 * [approximate]: Taking taylor expansion of (- (exp (/ 1 x)) (exp (- (/ 1 x)))) in (x) around 0
0.355 * [taylor]: Taking taylor expansion of (- (exp (/ 1 x)) (exp (- (/ 1 x)))) in x
0.355 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
0.355 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.355 * [taylor]: Taking taylor expansion of x in x
0.356 * [taylor]: Taking taylor expansion of (exp (- (/ 1 x))) in x
0.356 * [taylor]: Taking taylor expansion of (- (/ 1 x)) in x
0.356 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.356 * [taylor]: Taking taylor expansion of x in x
0.356 * [taylor]: Taking taylor expansion of (- (exp (/ 1 x)) (exp (- (/ 1 x)))) in x
0.356 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
0.356 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.356 * [taylor]: Taking taylor expansion of x in x
0.356 * [taylor]: Taking taylor expansion of (exp (- (/ 1 x))) in x
0.357 * [taylor]: Taking taylor expansion of (- (/ 1 x)) in x
0.357 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.357 * [taylor]: Taking taylor expansion of x in x
0.360 * [approximate]: Taking taylor expansion of (- (exp (/ -1 x)) (exp (/ 1 x))) in (x) around 0
0.360 * [taylor]: Taking taylor expansion of (- (exp (/ -1 x)) (exp (/ 1 x))) in x
0.360 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
0.360 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.360 * [taylor]: Taking taylor expansion of -1 in x
0.360 * [taylor]: Taking taylor expansion of x in x
0.361 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
0.361 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.361 * [taylor]: Taking taylor expansion of x in x
0.361 * [taylor]: Taking taylor expansion of (- (exp (/ -1 x)) (exp (/ 1 x))) in x
0.361 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
0.361 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.361 * [taylor]: Taking taylor expansion of -1 in x
0.361 * [taylor]: Taking taylor expansion of x in x
0.361 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
0.361 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.361 * [taylor]: Taking taylor expansion of x in x
0.365 * * * [progress]: simplifying candidates
0.365 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (/ (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)))
  (+ (* 1/3 (pow x 3)) (+ (* 1/60 (pow x 5)) (* 2 x)))
  (- (exp x) (exp (- x)))
  (- (exp x) (exp (* -1 x)))
0.368 * * [simplify]: iteration  0 :  100  enodes  (cost  120 )
0.370 * * [simplify]: iteration  1 :  257  enodes  (cost  108 )
0.375 * * [simplify]: iteration  2 :  763  enodes  (cost  107 )
0.395 * * [simplify]: iteration  3 :  4896  enodes  (cost  105 )
0.945 * * [simplify]: iteration  4 :  5001  enodes  (cost  105 )
0.951 * [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 (* -1 x))) 3)
  (sqrt (- (exp x) (exp (- x))))
  (sqrt (- (exp x) (exp (- x))))
  (- (pow (exp x) 3) (pow (exp (- x)) 3))
  (+ (+ 1 (exp (+ x x))) (pow (exp x) -2))
  (- (exp (* -1 x)))
  (* (exp x) (- (exp x) (pow (exp x) -3)))
  (+ (exp x) (exp (- x)))
  (+ (sqrt (exp x)) (sqrt (exp (- x))))
  (- (sqrt (exp x)) (sqrt (exp (- x))))
  (- (exp x) (exp (* -1 x)))
  (- (exp (* -1 x)))
  (+ (* 1/3 (pow x 3)) (+ (* 1/60 (pow x 5)) (* 2 x)))
  (- (exp x) (exp (* -1 x)))
  (- (exp x) (exp (* -1 x)))
0.951 * * * [progress]: adding candidates to table
0.997 * * [progress]: iteration 2 / 4
0.997 * * * [progress]: picking best candidate
1.000 * * * * [pick]: Picked  #<alt (λ (x) (/ (+ (* 1/3 (pow x 3)) (+ (* 1/60 (pow x 5)) (* 2 x))) 2.0))>
1.001 * * * [progress]: localizing error
1.012 * * * [progress]: generating rewritten candidates
1.012 * * * * [progress]: [ 1 / 2 ] rewriting at (2 1 1)
1.019 * * * * [progress]: [ 2 / 2 ] rewriting at (2 1 2 1)
1.026 * * * [progress]: generating series expansions
1.026 * * * * [progress]: [ 1 / 2 ] generating series at (2 1 1)
1.026 * [approximate]: Taking taylor expansion of (* 1/3 (pow x 3)) in (x) around 0
1.026 * [taylor]: Taking taylor expansion of (* 1/3 (pow x 3)) in x
1.026 * [taylor]: Taking taylor expansion of 1/3 in x
1.026 * [taylor]: Taking taylor expansion of (pow x 3) in x
1.026 * [taylor]: Taking taylor expansion of x in x
1.026 * [taylor]: Taking taylor expansion of (* 1/3 (pow x 3)) in x
1.026 * [taylor]: Taking taylor expansion of 1/3 in x
1.027 * [taylor]: Taking taylor expansion of (pow x 3) in x
1.027 * [taylor]: Taking taylor expansion of x in x
1.038 * [approximate]: Taking taylor expansion of (/ 1/3 (pow x 3)) in (x) around 0
1.038 * [taylor]: Taking taylor expansion of (/ 1/3 (pow x 3)) in x
1.038 * [taylor]: Taking taylor expansion of 1/3 in x
1.038 * [taylor]: Taking taylor expansion of (pow x 3) in x
1.038 * [taylor]: Taking taylor expansion of x in x
1.039 * [taylor]: Taking taylor expansion of (/ 1/3 (pow x 3)) in x
1.039 * [taylor]: Taking taylor expansion of 1/3 in x
1.039 * [taylor]: Taking taylor expansion of (pow x 3) in x
1.039 * [taylor]: Taking taylor expansion of x in x
1.053 * [approximate]: Taking taylor expansion of (/ -1/3 (pow x 3)) in (x) around 0
1.053 * [taylor]: Taking taylor expansion of (/ -1/3 (pow x 3)) in x
1.053 * [taylor]: Taking taylor expansion of -1/3 in x
1.053 * [taylor]: Taking taylor expansion of (pow x 3) in x
1.053 * [taylor]: Taking taylor expansion of x in x
1.054 * [taylor]: Taking taylor expansion of (/ -1/3 (pow x 3)) in x
1.054 * [taylor]: Taking taylor expansion of -1/3 in x
1.054 * [taylor]: Taking taylor expansion of (pow x 3) in x
1.054 * [taylor]: Taking taylor expansion of x in x
1.065 * * * * [progress]: [ 2 / 2 ] generating series at (2 1 2 1)
1.065 * [approximate]: Taking taylor expansion of (* 1/60 (pow x 5)) in (x) around 0
1.065 * [taylor]: Taking taylor expansion of (* 1/60 (pow x 5)) in x
1.065 * [taylor]: Taking taylor expansion of 1/60 in x
1.065 * [taylor]: Taking taylor expansion of (pow x 5) in x
1.065 * [taylor]: Taking taylor expansion of x in x
1.065 * [taylor]: Taking taylor expansion of (* 1/60 (pow x 5)) in x
1.065 * [taylor]: Taking taylor expansion of 1/60 in x
1.065 * [taylor]: Taking taylor expansion of (pow x 5) in x
1.065 * [taylor]: Taking taylor expansion of x in x
1.080 * [approximate]: Taking taylor expansion of (/ 1/60 (pow x 5)) in (x) around 0
1.080 * [taylor]: Taking taylor expansion of (/ 1/60 (pow x 5)) in x
1.080 * [taylor]: Taking taylor expansion of 1/60 in x
1.080 * [taylor]: Taking taylor expansion of (pow x 5) in x
1.080 * [taylor]: Taking taylor expansion of x in x
1.081 * [taylor]: Taking taylor expansion of (/ 1/60 (pow x 5)) in x
1.081 * [taylor]: Taking taylor expansion of 1/60 in x
1.081 * [taylor]: Taking taylor expansion of (pow x 5) in x
1.081 * [taylor]: Taking taylor expansion of x in x
1.096 * [approximate]: Taking taylor expansion of (/ -1/60 (pow x 5)) in (x) around 0
1.096 * [taylor]: Taking taylor expansion of (/ -1/60 (pow x 5)) in x
1.096 * [taylor]: Taking taylor expansion of -1/60 in x
1.096 * [taylor]: Taking taylor expansion of (pow x 5) in x
1.096 * [taylor]: Taking taylor expansion of x in x
1.097 * [taylor]: Taking taylor expansion of (/ -1/60 (pow x 5)) in x
1.097 * [taylor]: Taking taylor expansion of -1/60 in x
1.097 * [taylor]: Taking taylor expansion of (pow x 5) in x
1.097 * [taylor]: Taking taylor expansion of x in x
1.111 * * * [progress]: simplifying candidates
1.112 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (+ (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 1/60) (* (log x) 5))
  (+ (log 1/60) (* (log x) 5))
  (+ (log 1/60) (log (pow x 5)))
  (log (* 1/60 (pow x 5)))
  (exp (* 1/60 (pow x 5)))
  (* (* (* 1/60 1/60) 1/60) (* (* (pow x 5) (pow x 5)) (pow x 5)))
  (* (cbrt (* 1/60 (pow x 5))) (cbrt (* 1/60 (pow x 5))))
  (cbrt (* 1/60 (pow x 5)))
  (* (* (* 1/60 (pow x 5)) (* 1/60 (pow x 5))) (* 1/60 (pow x 5)))
  (sqrt (* 1/60 (pow x 5)))
  (sqrt (* 1/60 (pow x 5)))
  (* (sqrt 1/60) (pow (sqrt x) 5))
  (* (sqrt 1/60) (pow (sqrt x) 5))
  (* (sqrt 1/60) (sqrt (pow x 5)))
  (* (sqrt 1/60) (sqrt (pow x 5)))
  (* (sqrt 1/60) (pow x (/ 5 2)))
  (* (sqrt 1/60) (pow x (/ 5 2)))
  (* 1/60 (pow (* (cbrt x) (cbrt x)) 5))
  (* 1/60 (pow (sqrt x) 5))
  (* 1/60 (pow 1 5))
  (* 1/60 (* (cbrt (pow x 5)) (cbrt (pow x 5))))
  (* 1/60 (sqrt (pow x 5)))
  (* 1/60 1)
  (* 1/60 (pow x (/ 5 2)))
  (* (cbrt 1/60) (pow x 5))
  (* (sqrt 1/60) (pow x 5))
  (* 1/60 (pow x 5))
  (* 1/3 (pow x 3))
  (* 1/3 (pow x 3))
  (* 1/3 (pow x 3))
  (* 1/60 (pow x 5))
  (* 1/60 (pow x 5))
  (* 1/60 (pow x 5))
1.116 * * [simplify]: iteration  0 :  208  enodes  (cost  221 )
1.120 * * [simplify]: iteration  1 :  871  enodes  (cost  199 )
1.142 * * [simplify]: iteration  2 :  4632  enodes  (cost  199 )
1.294 * * [simplify]: iteration  3 :  5001  enodes  (cost  199 )
1.297 * [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)))
  (exp (* 1/3 (pow x 3)))
  (pow (* 1/3 (pow x 3)) 3)
  (* (cbrt (* 1/3 (pow x 3))) (cbrt (* 1/3 (pow x 3))))
  (cbrt (* 1/3 (pow x 3)))
  (pow (* 1/3 (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)))
  (* (* 1/3 x) x)
  (* 1/3 (pow (sqrt x) 3))
  1/3
  (* (* 1/3 x) x)
  (* (* 1/3 x) x)
  (* (* 1/3 x) 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 (* 1/60 (pow x 5)))
  (log (* 1/60 (pow x 5)))
  (log (* 1/60 (pow x 5)))
  (log (* 1/60 (pow x 5)))
  (exp (* 1/60 (pow x 5)))
  (pow (* 1/60 (pow x 5)) 3)
  (* (cbrt (* 1/60 (pow x 5))) (cbrt (* 1/60 (pow x 5))))
  (cbrt (* 1/60 (pow x 5)))
  (pow (* 1/60 (pow x 5)) 3)
  (sqrt (* 1/60 (pow x 5)))
  (sqrt (* 1/60 (pow x 5)))
  (* (sqrt 1/60) (pow (sqrt x) 5))
  (* (sqrt 1/60) (pow (sqrt x) 5))
  (* (sqrt 1/60) (sqrt (pow x 5)))
  (* (sqrt 1/60) (sqrt (pow x 5)))
  (* (sqrt 1/60) (pow x (/ 5 2)))
  (* (sqrt 1/60) (pow x (/ 5 2)))
  (* 1/60 (pow (* (cbrt x) (cbrt x)) 5))
  (* 1/60 (pow (sqrt x) 5))
  1/60
  (* 1/60 (* (cbrt (pow x 5)) (cbrt (pow x 5))))
  (* 1/60 (sqrt (pow x 5)))
  1/60
  (* 1/60 (pow x (/ 5 2)))
  (* (cbrt 1/60) (pow x 5))
  (* (sqrt 1/60) (pow x 5))
  (* 1/60 (pow x 5))
  (* 1/3 (pow x 3))
  (* 1/3 (pow x 3))
  (* 1/3 (pow x 3))
  (* 1/60 (pow x 5))
  (* 1/60 (pow x 5))
  (* 1/60 (pow x 5))
1.298 * * * [progress]: adding candidates to table
1.415 * * [progress]: iteration 3 / 4
1.415 * * * [progress]: picking best candidate
1.417 * * * * [pick]: Picked  #<alt (λ (x) (/ (* (* (cbrt (- (exp x) (exp (- x)))) (cbrt (- (exp x) (exp (- x))))) (cbrt (- (exp x) (exp (- x))))) 2.0))>
1.417 * * * [progress]: localizing error
1.427 * * * [progress]: generating rewritten candidates
1.427 * * * * [progress]: [ 1 / 4 ] rewriting at (2 1 2 1)
1.433 * * * * [progress]: [ 2 / 4 ] rewriting at (2 1 1 2 1)
1.439 * * * * [progress]: [ 3 / 4 ] rewriting at (2 1 1 1 1)
1.445 * * * * [progress]: [ 4 / 4 ] rewriting at (2 1 2)
1.453 * * * [progress]: generating series expansions
1.453 * * * * [progress]: [ 1 / 4 ] generating series at (2 1 2 1)
1.453 * [approximate]: Taking taylor expansion of (- (exp x) (exp (- x))) in (x) around 0
1.453 * [taylor]: Taking taylor expansion of (- (exp x) (exp (- x))) in x
1.453 * [taylor]: Taking taylor expansion of (exp x) in x
1.453 * [taylor]: Taking taylor expansion of x in x
1.453 * [taylor]: Taking taylor expansion of (exp (- x)) in x
1.453 * [taylor]: Taking taylor expansion of (- x) in x
1.453 * [taylor]: Taking taylor expansion of x in x
1.454 * [taylor]: Taking taylor expansion of (- (exp x) (exp (- x))) in x
1.454 * [taylor]: Taking taylor expansion of (exp x) in x
1.454 * [taylor]: Taking taylor expansion of x in x
1.454 * [taylor]: Taking taylor expansion of (exp (- x)) in x
1.454 * [taylor]: Taking taylor expansion of (- x) in x
1.454 * [taylor]: Taking taylor expansion of x in x
1.478 * [approximate]: Taking taylor expansion of (- (exp (/ 1 x)) (exp (- (/ 1 x)))) in (x) around 0
1.478 * [taylor]: Taking taylor expansion of (- (exp (/ 1 x)) (exp (- (/ 1 x)))) in x
1.478 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
1.478 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.478 * [taylor]: Taking taylor expansion of x in x
1.478 * [taylor]: Taking taylor expansion of (exp (- (/ 1 x))) in x
1.478 * [taylor]: Taking taylor expansion of (- (/ 1 x)) in x
1.478 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.478 * [taylor]: Taking taylor expansion of x in x
1.479 * [taylor]: Taking taylor expansion of (- (exp (/ 1 x)) (exp (- (/ 1 x)))) in x
1.479 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
1.479 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.479 * [taylor]: Taking taylor expansion of x in x
1.479 * [taylor]: Taking taylor expansion of (exp (- (/ 1 x))) in x
1.479 * [taylor]: Taking taylor expansion of (- (/ 1 x)) in x
1.479 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.479 * [taylor]: Taking taylor expansion of x in x
1.483 * [approximate]: Taking taylor expansion of (- (exp (/ -1 x)) (exp (/ 1 x))) in (x) around 0
1.483 * [taylor]: Taking taylor expansion of (- (exp (/ -1 x)) (exp (/ 1 x))) in x
1.483 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
1.483 * [taylor]: Taking taylor expansion of (/ -1 x) in x
1.483 * [taylor]: Taking taylor expansion of -1 in x
1.483 * [taylor]: Taking taylor expansion of x in x
1.483 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
1.483 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.483 * [taylor]: Taking taylor expansion of x in x
1.484 * [taylor]: Taking taylor expansion of (- (exp (/ -1 x)) (exp (/ 1 x))) in x
1.484 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
1.484 * [taylor]: Taking taylor expansion of (/ -1 x) in x
1.484 * [taylor]: Taking taylor expansion of -1 in x
1.484 * [taylor]: Taking taylor expansion of x in x
1.484 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
1.484 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.484 * [taylor]: Taking taylor expansion of x in x
1.487 * * * * [progress]: [ 2 / 4 ] generating series at (2 1 1 2 1)
1.487 * [approximate]: Taking taylor expansion of (- (exp x) (exp (- x))) in (x) around 0
1.487 * [taylor]: Taking taylor expansion of (- (exp x) (exp (- x))) in x
1.487 * [taylor]: Taking taylor expansion of (exp x) in x
1.487 * [taylor]: Taking taylor expansion of x in x
1.488 * [taylor]: Taking taylor expansion of (exp (- x)) in x
1.488 * [taylor]: Taking taylor expansion of (- x) in x
1.488 * [taylor]: Taking taylor expansion of x in x
1.488 * [taylor]: Taking taylor expansion of (- (exp x) (exp (- x))) in x
1.488 * [taylor]: Taking taylor expansion of (exp x) in x
1.488 * [taylor]: Taking taylor expansion of x in x
1.488 * [taylor]: Taking taylor expansion of (exp (- x)) in x
1.488 * [taylor]: Taking taylor expansion of (- x) in x
1.488 * [taylor]: Taking taylor expansion of x in x
1.512 * [approximate]: Taking taylor expansion of (- (exp (/ 1 x)) (exp (- (/ 1 x)))) in (x) around 0
1.512 * [taylor]: Taking taylor expansion of (- (exp (/ 1 x)) (exp (- (/ 1 x)))) in x
1.512 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
1.512 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.512 * [taylor]: Taking taylor expansion of x in x
1.513 * [taylor]: Taking taylor expansion of (exp (- (/ 1 x))) in x
1.513 * [taylor]: Taking taylor expansion of (- (/ 1 x)) in x
1.513 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.513 * [taylor]: Taking taylor expansion of x in x
1.513 * [taylor]: Taking taylor expansion of (- (exp (/ 1 x)) (exp (- (/ 1 x)))) in x
1.513 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
1.513 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.513 * [taylor]: Taking taylor expansion of x in x
1.514 * [taylor]: Taking taylor expansion of (exp (- (/ 1 x))) in x
1.514 * [taylor]: Taking taylor expansion of (- (/ 1 x)) in x
1.514 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.514 * [taylor]: Taking taylor expansion of x in x
1.517 * [approximate]: Taking taylor expansion of (- (exp (/ -1 x)) (exp (/ 1 x))) in (x) around 0
1.517 * [taylor]: Taking taylor expansion of (- (exp (/ -1 x)) (exp (/ 1 x))) in x
1.517 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
1.517 * [taylor]: Taking taylor expansion of (/ -1 x) in x
1.517 * [taylor]: Taking taylor expansion of -1 in x
1.517 * [taylor]: Taking taylor expansion of x in x
1.518 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
1.518 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.518 * [taylor]: Taking taylor expansion of x in x
1.518 * [taylor]: Taking taylor expansion of (- (exp (/ -1 x)) (exp (/ 1 x))) in x
1.518 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
1.518 * [taylor]: Taking taylor expansion of (/ -1 x) in x
1.518 * [taylor]: Taking taylor expansion of -1 in x
1.518 * [taylor]: Taking taylor expansion of x in x
1.518 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
1.518 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.518 * [taylor]: Taking taylor expansion of x in x
1.522 * * * * [progress]: [ 3 / 4 ] generating series at (2 1 1 1 1)
1.522 * [approximate]: Taking taylor expansion of (- (exp x) (exp (- x))) in (x) around 0
1.522 * [taylor]: Taking taylor expansion of (- (exp x) (exp (- x))) in x
1.522 * [taylor]: Taking taylor expansion of (exp x) in x
1.522 * [taylor]: Taking taylor expansion of x in x
1.522 * [taylor]: Taking taylor expansion of (exp (- x)) in x
1.522 * [taylor]: Taking taylor expansion of (- x) in x
1.522 * [taylor]: Taking taylor expansion of x in x
1.522 * [taylor]: Taking taylor expansion of (- (exp x) (exp (- x))) in x
1.522 * [taylor]: Taking taylor expansion of (exp x) in x
1.522 * [taylor]: Taking taylor expansion of x in x
1.522 * [taylor]: Taking taylor expansion of (exp (- x)) in x
1.522 * [taylor]: Taking taylor expansion of (- x) in x
1.522 * [taylor]: Taking taylor expansion of x in x
1.549 * [approximate]: Taking taylor expansion of (- (exp (/ 1 x)) (exp (- (/ 1 x)))) in (x) around 0
1.549 * [taylor]: Taking taylor expansion of (- (exp (/ 1 x)) (exp (- (/ 1 x)))) in x
1.549 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
1.549 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.549 * [taylor]: Taking taylor expansion of x in x
1.549 * [taylor]: Taking taylor expansion of (exp (- (/ 1 x))) in x
1.549 * [taylor]: Taking taylor expansion of (- (/ 1 x)) in x
1.549 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.549 * [taylor]: Taking taylor expansion of x in x
1.550 * [taylor]: Taking taylor expansion of (- (exp (/ 1 x)) (exp (- (/ 1 x)))) in x
1.550 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
1.550 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.550 * [taylor]: Taking taylor expansion of x in x
1.550 * [taylor]: Taking taylor expansion of (exp (- (/ 1 x))) in x
1.550 * [taylor]: Taking taylor expansion of (- (/ 1 x)) in x
1.550 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.550 * [taylor]: Taking taylor expansion of x in x
1.553 * [approximate]: Taking taylor expansion of (- (exp (/ -1 x)) (exp (/ 1 x))) in (x) around 0
1.554 * [taylor]: Taking taylor expansion of (- (exp (/ -1 x)) (exp (/ 1 x))) in x
1.554 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
1.554 * [taylor]: Taking taylor expansion of (/ -1 x) in x
1.554 * [taylor]: Taking taylor expansion of -1 in x
1.554 * [taylor]: Taking taylor expansion of x in x
1.554 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
1.554 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.554 * [taylor]: Taking taylor expansion of x in x
1.554 * [taylor]: Taking taylor expansion of (- (exp (/ -1 x)) (exp (/ 1 x))) in x
1.554 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
1.554 * [taylor]: Taking taylor expansion of (/ -1 x) in x
1.554 * [taylor]: Taking taylor expansion of -1 in x
1.554 * [taylor]: Taking taylor expansion of x in x
1.555 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
1.555 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.555 * [taylor]: Taking taylor expansion of x in x
1.558 * * * * [progress]: [ 4 / 4 ] generating series at (2 1 2)
1.558 * [approximate]: Taking taylor expansion of (pow (- (exp x) (exp (- x))) 1/3) in (x) around 0
1.558 * [taylor]: Taking taylor expansion of (pow (- (exp x) (exp (- x))) 1/3) in x
1.558 * [taylor]: Taking taylor expansion of (exp (* 1/3 (log (- (exp x) (exp (- x)))))) in x
1.558 * [taylor]: Taking taylor expansion of (* 1/3 (log (- (exp x) (exp (- x))))) in x
1.558 * [taylor]: Taking taylor expansion of 1/3 in x
1.558 * [taylor]: Taking taylor expansion of (log (- (exp x) (exp (- x)))) in x
1.558 * [taylor]: Taking taylor expansion of (- (exp x) (exp (- x))) in x
1.558 * [taylor]: Taking taylor expansion of (exp x) in x
1.558 * [taylor]: Taking taylor expansion of x in x
1.558 * [taylor]: Taking taylor expansion of (exp (- x)) in x
1.558 * [taylor]: Taking taylor expansion of (- x) in x
1.558 * [taylor]: Taking taylor expansion of x in x
1.563 * [taylor]: Taking taylor expansion of (pow (- (exp x) (exp (- x))) 1/3) in x
1.563 * [taylor]: Taking taylor expansion of (exp (* 1/3 (log (- (exp x) (exp (- x)))))) in x
1.563 * [taylor]: Taking taylor expansion of (* 1/3 (log (- (exp x) (exp (- x))))) in x
1.563 * [taylor]: Taking taylor expansion of 1/3 in x
1.563 * [taylor]: Taking taylor expansion of (log (- (exp x) (exp (- x)))) in x
1.563 * [taylor]: Taking taylor expansion of (- (exp x) (exp (- x))) in x
1.563 * [taylor]: Taking taylor expansion of (exp x) in x
1.563 * [taylor]: Taking taylor expansion of x in x
1.563 * [taylor]: Taking taylor expansion of (exp (- x)) in x
1.563 * [taylor]: Taking taylor expansion of (- x) in x
1.563 * [taylor]: Taking taylor expansion of x in x
1.615 * [approximate]: Taking taylor expansion of (pow (- (exp (/ 1 x)) (exp (- (/ 1 x)))) 1/3) in (x) around 0
1.615 * [taylor]: Taking taylor expansion of (pow (- (exp (/ 1 x)) (exp (- (/ 1 x)))) 1/3) in x
1.615 * [taylor]: Taking taylor expansion of (exp (* 1/3 (log (- (exp (/ 1 x)) (exp (- (/ 1 x))))))) in x
1.615 * [taylor]: Taking taylor expansion of (* 1/3 (log (- (exp (/ 1 x)) (exp (- (/ 1 x)))))) in x
1.615 * [taylor]: Taking taylor expansion of 1/3 in x
1.615 * [taylor]: Taking taylor expansion of (log (- (exp (/ 1 x)) (exp (- (/ 1 x))))) in x
1.615 * [taylor]: Taking taylor expansion of (- (exp (/ 1 x)) (exp (- (/ 1 x)))) in x
1.615 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
1.615 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.615 * [taylor]: Taking taylor expansion of x in x
1.615 * [taylor]: Taking taylor expansion of (exp (- (/ 1 x))) in x
1.615 * [taylor]: Taking taylor expansion of (- (/ 1 x)) in x
1.615 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.615 * [taylor]: Taking taylor expansion of x in x
1.616 * [taylor]: Taking taylor expansion of (pow (- (exp (/ 1 x)) (exp (- (/ 1 x)))) 1/3) in x
1.616 * [taylor]: Taking taylor expansion of (exp (* 1/3 (log (- (exp (/ 1 x)) (exp (- (/ 1 x))))))) in x
1.616 * [taylor]: Taking taylor expansion of (* 1/3 (log (- (exp (/ 1 x)) (exp (- (/ 1 x)))))) in x
1.616 * [taylor]: Taking taylor expansion of 1/3 in x
1.616 * [taylor]: Taking taylor expansion of (log (- (exp (/ 1 x)) (exp (- (/ 1 x))))) in x
1.616 * [taylor]: Taking taylor expansion of (- (exp (/ 1 x)) (exp (- (/ 1 x)))) in x
1.616 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
1.616 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.616 * [taylor]: Taking taylor expansion of x in x
1.617 * [taylor]: Taking taylor expansion of (exp (- (/ 1 x))) in x
1.617 * [taylor]: Taking taylor expansion of (- (/ 1 x)) in x
1.617 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.617 * [taylor]: Taking taylor expansion of x in x
1.654 * [approximate]: Taking taylor expansion of (pow (- (exp (/ -1 x)) (exp (/ 1 x))) 1/3) in (x) around 0
1.654 * [taylor]: Taking taylor expansion of (pow (- (exp (/ -1 x)) (exp (/ 1 x))) 1/3) in x
1.654 * [taylor]: Taking taylor expansion of (exp (* 1/3 (log (- (exp (/ -1 x)) (exp (/ 1 x)))))) in x
1.654 * [taylor]: Taking taylor expansion of (* 1/3 (log (- (exp (/ -1 x)) (exp (/ 1 x))))) in x
1.654 * [taylor]: Taking taylor expansion of 1/3 in x
1.654 * [taylor]: Taking taylor expansion of (log (- (exp (/ -1 x)) (exp (/ 1 x)))) in x
1.654 * [taylor]: Taking taylor expansion of (- (exp (/ -1 x)) (exp (/ 1 x))) in x
1.654 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
1.654 * [taylor]: Taking taylor expansion of (/ -1 x) in x
1.654 * [taylor]: Taking taylor expansion of -1 in x
1.654 * [taylor]: Taking taylor expansion of x in x
1.654 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
1.655 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.655 * [taylor]: Taking taylor expansion of x in x
1.655 * [taylor]: Taking taylor expansion of (pow (- (exp (/ -1 x)) (exp (/ 1 x))) 1/3) in x
1.655 * [taylor]: Taking taylor expansion of (exp (* 1/3 (log (- (exp (/ -1 x)) (exp (/ 1 x)))))) in x
1.655 * [taylor]: Taking taylor expansion of (* 1/3 (log (- (exp (/ -1 x)) (exp (/ 1 x))))) in x
1.655 * [taylor]: Taking taylor expansion of 1/3 in x
1.655 * [taylor]: Taking taylor expansion of (log (- (exp (/ -1 x)) (exp (/ 1 x)))) in x
1.655 * [taylor]: Taking taylor expansion of (- (exp (/ -1 x)) (exp (/ 1 x))) in x
1.655 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
1.655 * [taylor]: Taking taylor expansion of (/ -1 x) in x
1.655 * [taylor]: Taking taylor expansion of -1 in x
1.655 * [taylor]: Taking taylor expansion of x in x
1.656 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
1.656 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.656 * [taylor]: Taking taylor expansion of x in x
1.695 * * * [progress]: simplifying candidates
1.696 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (/ (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)))
  (/ (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)))
  (/ (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 (cbrt (- (exp x) (exp (- x)))))
  (exp (cbrt (- (exp x) (exp (- x)))))
  (cbrt (* (cbrt (- (exp x) (exp (- x)))) (cbrt (- (exp x) (exp (- x))))))
  (cbrt (cbrt (- (exp x) (exp (- x)))))
  (cbrt (sqrt (- (exp x) (exp (- x)))))
  (cbrt (sqrt (- (exp x) (exp (- x)))))
  (cbrt 1)
  (cbrt (- (exp x) (exp (- x))))
  (cbrt (+ (sqrt (exp x)) (sqrt (exp (- x)))))
  (cbrt (- (sqrt (exp x)) (sqrt (exp (- x)))))
  (cbrt 1)
  (cbrt (- (exp x) (exp (- x))))
  (cbrt (- (pow (exp x) 3) (pow (exp (- x)) 3)))
  (cbrt (+ (* (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))))
  (* (cbrt (cbrt (- (exp x) (exp (- x))))) (cbrt (cbrt (- (exp x) (exp (- x))))))
  (cbrt (cbrt (- (exp x) (exp (- x)))))
  (* (* (cbrt (- (exp x) (exp (- x)))) (cbrt (- (exp x) (exp (- x))))) (cbrt (- (exp x) (exp (- x)))))
  (sqrt (cbrt (- (exp x) (exp (- x)))))
  (sqrt (cbrt (- (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)))
  (+ (* 1/3 (pow x 3)) (+ (* 1/60 (pow x 5)) (* 2 x)))
  (- (exp x) (exp (- x)))
  (- (exp x) (exp (* -1 x)))
  (+ (* 1/3 (pow x 3)) (+ (* 1/60 (pow x 5)) (* 2 x)))
  (- (exp x) (exp (- x)))
  (- (exp x) (exp (* -1 x)))
  (- (+ (exp (* 1/3 (+ (log x) (log 2)))) (* 1/18 (* (exp (* 1/3 (+ (log x) (log 2)))) (pow x 2)))) (* 1/3240 (* (exp (* 1/3 (+ (log x) (log 2)))) (pow x 4))))
  (pow (- (exp x) (exp (- x))) 1/3)
  (pow (- (exp x) (exp (* -1 x))) 1/3)
1.699 * * [simplify]: iteration  0 :  171  enodes  (cost  546 )
1.703 * * [simplify]: iteration  1 :  478  enodes  (cost  481 )
1.712 * * [simplify]: iteration  2 :  1845  enodes  (cost  471 )
1.758 * * [simplify]: iteration  3 :  5001  enodes  (cost  471 )
1.760 * [simplify]: Simplified to:
   (exp (- (exp x) (exp (- x))))
  (log (- (exp x) (exp (* -1 x))))
  (exp (- (exp x) (exp (- x))))
  (pow (- (exp x) (exp (* -1 x))) 2/3)
  (pow (- (exp x) (exp (* -1 x))) 1/3)
  (pow (- (exp x) (exp (* -1 x))) 3)
  (sqrt (- (exp x) (exp (- x))))
  (sqrt (- (exp x) (exp (- x))))
  (- (pow (exp x) 3) (pow (exp (- x)) 3))
  (+ (+ 1 (exp (+ x x))) (pow (exp x) -2))
  (- (exp (* -1 x)))
  (+ (exp (+ x x)) (- (exp (+ (- x) (- x)))))
  (+ (exp x) (exp (- x)))
  (+ (sqrt (exp x)) (sqrt (exp (- x))))
  (- (sqrt (exp x)) (sqrt (exp (- x))))
  (- (exp x) (exp (* -1 x)))
  (- (exp (* -1 x)))
  (exp (- (exp x) (exp (- x))))
  (log (- (exp x) (exp (* -1 x))))
  (exp (- (exp x) (exp (- x))))
  (pow (- (exp x) (exp (* -1 x))) 2/3)
  (pow (- (exp x) (exp (* -1 x))) 1/3)
  (pow (- (exp x) (exp (* -1 x))) 3)
  (sqrt (- (exp x) (exp (- x))))
  (sqrt (- (exp x) (exp (- x))))
  (- (pow (exp x) 3) (pow (exp (- x)) 3))
  (+ (+ 1 (exp (+ x x))) (pow (exp x) -2))
  (- (exp (* -1 x)))
  (+ (exp (+ x x)) (- (exp (+ (- x) (- x)))))
  (+ (exp x) (exp (- x)))
  (+ (sqrt (exp x)) (sqrt (exp (- x))))
  (- (sqrt (exp x)) (sqrt (exp (- x))))
  (- (exp x) (exp (* -1 x)))
  (- (exp (* -1 x)))
  (exp (- (exp x) (exp (- x))))
  (log (- (exp x) (exp (* -1 x))))
  (exp (- (exp x) (exp (- x))))
  (pow (- (exp x) (exp (* -1 x))) 2/3)
  (pow (- (exp x) (exp (* -1 x))) 1/3)
  (pow (- (exp x) (exp (* -1 x))) 3)
  (sqrt (- (exp x) (exp (- x))))
  (sqrt (- (exp x) (exp (- x))))
  (- (pow (exp x) 3) (pow (exp (- x)) 3))
  (+ (+ 1 (exp (+ x x))) (pow (exp x) -2))
  (- (exp (* -1 x)))
  (+ (exp (+ x x)) (- (exp (+ (- x) (- x)))))
  (+ (exp x) (exp (- x)))
  (+ (sqrt (exp x)) (sqrt (exp (- x))))
  (- (sqrt (exp x)) (sqrt (exp (- x))))
  (- (exp x) (exp (* -1 x)))
  (- (exp (* -1 x)))
  (log (cbrt (- (exp x) (exp (- x)))))
  (exp (cbrt (- (exp x) (exp (- x)))))
  (cbrt (* (cbrt (- (exp x) (exp (- x)))) (cbrt (- (exp x) (exp (- x))))))
  (cbrt (cbrt (- (exp x) (exp (- x)))))
  (cbrt (sqrt (- (exp x) (exp (- x)))))
  (cbrt (sqrt (- (exp x) (exp (- x)))))
  1
  (pow (- (exp x) (exp (* -1 x))) 1/3)
  (cbrt (+ (sqrt (exp x)) (sqrt (exp (- x)))))
  (cbrt (- (sqrt (exp x)) (sqrt (exp (- x)))))
  1
  (pow (- (exp x) (exp (* -1 x))) 1/3)
  (cbrt (- (pow (exp x) 3) (pow (exp (- x)) 3)))
  (cbrt (+ (* (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))))
  (* (cbrt (cbrt (- (exp x) (exp (- x))))) (cbrt (cbrt (- (exp x) (exp (- x))))))
  (cbrt (cbrt (- (exp x) (exp (- x)))))
  (- (exp x) (exp (* -1 x)))
  (sqrt (cbrt (- (exp x) (exp (- x)))))
  (sqrt (cbrt (- (exp x) (exp (- x)))))
  (+ (* 1/3 (pow x 3)) (+ (* 1/60 (pow x 5)) (* 2 x)))
  (- (exp x) (exp (* -1 x)))
  (- (exp x) (exp (* -1 x)))
  (+ (* 1/3 (pow x 3)) (+ (* 1/60 (pow x 5)) (* 2 x)))
  (- (exp x) (exp (* -1 x)))
  (- (exp x) (exp (* -1 x)))
  (+ (* 1/3 (pow x 3)) (+ (* 1/60 (pow x 5)) (* 2 x)))
  (- (exp x) (exp (* -1 x)))
  (- (exp x) (exp (* -1 x)))
  (+ (+ (* (- (* 1/3240 (pow x 4))) (* (pow 2 1/3) (pow x 1/3))) (* 1/18 (* (exp (* 1/3 (+ (log x) (log 2)))) (pow x 2)))) (* (pow 2 1/3) (pow x 1/3)))
  (pow (- (exp x) (exp (* -1 x))) 1/3)
  (pow (- (exp x) (exp (* -1 x))) 1/3)
1.761 * * * [progress]: adding candidates to table
1.944 * [progress]: [Phase 3 of 3] Extracting.
1.944 * * [regime]: Finding splitpoints for: (#<alt (λ (x) (/ (+ (* 1/3 (pow x 3)) (+ (* 1/60 (pow x 5)) (* 2 x))) 2.0))> #<alt (λ (x) (/ (* (* (cbrt (- (exp x) (exp (- x)))) (cbrt (- (exp x) (exp (- x))))) (cbrt (- (exp x) (exp (- x))))) 2.0))> #<alt (λ (x) (/ (- (exp x) (exp (- x))) 2.0))>)
1.945 * * * [regime-changes]: Trying 3 branch expressions: ((- (exp x) (exp (- x))) (/ (- (exp x) (exp (- x))) 2.0) x)
1.945 * * * * [regimes]: Trying to branch on (- (exp x) (exp (- x))) from (#<alt (λ (x) (/ (+ (* 1/3 (pow x 3)) (+ (* 1/60 (pow x 5)) (* 2 x))) 2.0))> #<alt (λ (x) (/ (* (* (cbrt (- (exp x) (exp (- x)))) (cbrt (- (exp x) (exp (- x))))) (cbrt (- (exp x) (exp (- x))))) 2.0))> #<alt (λ (x) (/ (- (exp x) (exp (- x))) 2.0))>)
1.959 * * * * [regimes]: Trying to branch on (- (exp x) (exp (- x))) from (#<alt (λ (x) (/ (* (* (cbrt (- (exp x) (exp (- x)))) (cbrt (- (exp x) (exp (- x))))) (cbrt (- (exp x) (exp (- x))))) 2.0))> #<alt (λ (x) (/ (- (exp x) (exp (- x))) 2.0))>)
1.971 * * * * [regimes]: Trying to branch on (/ (- (exp x) (exp (- x))) 2.0) from (#<alt (λ (x) (/ (+ (* 1/3 (pow x 3)) (+ (* 1/60 (pow x 5)) (* 2 x))) 2.0))> #<alt (λ (x) (/ (* (* (cbrt (- (exp x) (exp (- x)))) (cbrt (- (exp x) (exp (- x))))) (cbrt (- (exp x) (exp (- x))))) 2.0))> #<alt (λ (x) (/ (- (exp x) (exp (- x))) 2.0))>)
1.986 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x) (/ (+ (* 1/3 (pow x 3)) (+ (* 1/60 (pow x 5)) (* 2 x))) 2.0))> #<alt (λ (x) (/ (* (* (cbrt (- (exp x) (exp (- x)))) (cbrt (- (exp x) (exp (- x))))) (cbrt (- (exp x) (exp (- x))))) 2.0))> #<alt (λ (x) (/ (- (exp x) (exp (- x))) 2.0))>)
2.001 * * * [regime]: Found split indices: #<option (#s(si 0 255))>
2.001 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (/ (+ (* 1/3 (pow x 3)) (+ (* 1/60 (pow x 5)) (* 2 x))) 2.0)
2.002 * * [simplify]: iteration  0 :  20  enodes  (cost  8 )
2.002 * * [simplify]: iteration  1 :  20  enodes  (cost  8 )
2.002 * [simplify]: Simplified to:
   (/ (+ (* 1/3 (pow x 3)) (+ (* 1/60 (pow x 5)) (* 2 x))) 2.0)
4.862 * [regime-testing]: Baseline error score: 0.6671530146835464
4.862 * [regime-testing]: Oracle error score: 0.012988286396985533
4.863 * [regime-testing]: End program error score: 0.6671530146835464