14.010 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.071 * * * [progress]: [2/2] Setting up program.
0.073 * [progress]: [Phase 2 of 3] Improving.
0.073 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (/ (- (exp x) (exp (neg x))) 2.0)
0.075 * * [simplify]: iteration  0 :  14  enodes  (cost  5 )
0.076 * * [simplify]: iteration  1 :  23  enodes  (cost  5 )
0.077 * * [simplify]: iteration  2 :  31  enodes  (cost  5 )
0.078 * * [simplify]: iteration  3 :  36  enodes  (cost  5 )
0.079 * * [simplify]: iteration  4 :  41  enodes  (cost  5 )
0.080 * * [simplify]: iteration  5 :  65  enodes  (cost  5 )
0.082 * * [simplify]: iteration  6 :  103  enodes  (cost  5 )
0.084 * * [simplify]: iteration  7 :  243  enodes  (cost  5 )
0.094 * * [simplify]: iteration  8 :  1563  enodes  (cost  5 )
0.206 * * [simplify]: iteration  9 :  5001  enodes  (cost  5 )
0.207 * [simplify]: Simplified to:
   (/ (- (exp x) (exp (neg x))) 2.0)
0.208 * * [progress]: iteration 1 / 4
0.208 * * * [progress]: picking best candidate
0.210 * * * * [pick]: Picked  #<alt (λ (x) (/ (- (exp x) (exp (neg x))) 2.0))>
0.210 * * * [progress]: localizing error
0.216 * * * [progress]: generating rewritten candidates
0.216 * * * * [progress]: [ 1 / 1 ] rewriting at (2 1)
0.221 * * * [progress]: generating series expansions
0.221 * * * * [progress]: [ 1 / 1 ] generating series at (2 1)
0.221 * [approximate]: Taking taylor expansion of (- (exp x) (exp (neg x))) in (x) around 0
0.221 * [taylor]: Taking taylor expansion of (- (exp x) (exp (neg x))) in x
0.221 * [taylor]: Taking taylor expansion of (exp x) in x
0.221 * [taylor]: Taking taylor expansion of x in x
0.221 * [taylor]: Taking taylor expansion of (exp (neg x)) in x
0.221 * [taylor]: Taking taylor expansion of (neg x) in x
0.221 * [taylor]: Taking taylor expansion of x in x
0.221 * [taylor]: Taking taylor expansion of (- (exp x) (exp (neg x))) in x
0.221 * [taylor]: Taking taylor expansion of (exp x) in x
0.221 * [taylor]: Taking taylor expansion of x in x
0.221 * [taylor]: Taking taylor expansion of (exp (neg x)) in x
0.221 * [taylor]: Taking taylor expansion of (neg x) in x
0.221 * [taylor]: Taking taylor expansion of x in x
0.224 * [approximate]: Taking taylor expansion of (- (exp (/ 1 x)) (exp (neg (/ 1 x)))) in (x) around 0
0.224 * [taylor]: Taking taylor expansion of (- (exp (/ 1 x)) (exp (neg (/ 1 x)))) in x
0.224 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
0.224 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.224 * [taylor]: Taking taylor expansion of x in x
0.224 * [taylor]: Taking taylor expansion of (exp (neg (/ 1 x))) in x
0.224 * [taylor]: Taking taylor expansion of (neg (/ 1 x)) in x
0.224 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.224 * [taylor]: Taking taylor expansion of x in x
0.224 * [taylor]: Taking taylor expansion of (- (exp (/ 1 x)) (exp (neg (/ 1 x)))) in x
0.225 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
0.225 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.225 * [taylor]: Taking taylor expansion of x in x
0.225 * [taylor]: Taking taylor expansion of (exp (neg (/ 1 x))) in x
0.225 * [taylor]: Taking taylor expansion of (neg (/ 1 x)) in x
0.225 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.225 * [taylor]: Taking taylor expansion of x in x
0.225 * [approximate]: Taking taylor expansion of (- (exp (/ -1 x)) (exp (/ 1 x))) in (x) around 0
0.225 * [taylor]: Taking taylor expansion of (- (exp (/ -1 x)) (exp (/ 1 x))) in x
0.225 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
0.225 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.225 * [taylor]: Taking taylor expansion of -1 in x
0.225 * [taylor]: Taking taylor expansion of x in x
0.225 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
0.225 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.225 * [taylor]: Taking taylor expansion of x in x
0.225 * [taylor]: Taking taylor expansion of (- (exp (/ -1 x)) (exp (/ 1 x))) in x
0.225 * [taylor]: Taking taylor expansion of (exp (/ -1 x)) in x
0.225 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.225 * [taylor]: Taking taylor expansion of -1 in x
0.225 * [taylor]: Taking taylor expansion of x in x
0.225 * [taylor]: Taking taylor expansion of (exp (/ 1 x)) in x
0.226 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.226 * [taylor]: Taking taylor expansion of x in x
0.226 * * * [progress]: simplifying candidates
0.226 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (/ (exp (exp x)) (exp (exp (neg x))))
  (log (- (exp x) (exp (neg x))))
  (exp (- (exp x) (exp (neg x))))
  (* (cbrt (- (exp x) (exp (neg x)))) (cbrt (- (exp x) (exp (neg x)))))
  (cbrt (- (exp x) (exp (neg x))))
  (* (* (- (exp x) (exp (neg x))) (- (exp x) (exp (neg x)))) (- (exp x) (exp (neg x))))
  (sqrt (- (exp x) (exp (neg x))))
  (sqrt (- (exp x) (exp (neg x))))
  (- (pow (exp x) 3) (pow (exp (neg x)) 3))
  (+ (* (exp x) (exp x)) (+ (* (exp (neg x)) (exp (neg x))) (* (exp x) (exp (neg x)))))
  (neg (exp (neg x)))
  (- (* (exp x) (exp x)) (* (exp (neg x)) (exp (neg x))))
  (+ (exp x) (exp (neg x)))
  (+ (sqrt (exp x)) (sqrt (exp (neg x))))
  (- (sqrt (exp x)) (sqrt (exp (neg x))))
  (- (exp x) (exp (neg x)))
  (neg (exp (neg x)))
  (+ (* 1/3 (pow x 3)) (+ (* 1/60 (pow x 5)) (* 2 x)))
  (- (exp x) (exp (neg x)))
  (- (exp x) (exp (* -1 x)))
0.229 * * [simplify]: iteration  0 :  100  enodes  (cost  120 )
0.231 * * [simplify]: iteration  1 :  257  enodes  (cost  106 )
0.235 * * [simplify]: iteration  2 :  785  enodes  (cost  105 )
0.255 * * [simplify]: iteration  3 :  5001  enodes  (cost  103 )
0.256 * [simplify]: Simplified to:
   (exp (- (exp x) (exp (neg x))))
  (log (- (exp x) (exp (neg x))))
  (exp (- (exp x) (exp (neg x))))
  (* (cbrt (- (exp x) (exp (neg x)))) (cbrt (- (exp x) (exp (neg x)))))
  (cbrt (- (exp x) (exp (neg x))))
  (pow (- (exp x) (exp (* -1 x))) 3)
  (sqrt (- (exp x) (exp (neg x))))
  (sqrt (- (exp x) (exp (neg x))))
  (- (pow (exp x) 3) (pow (exp (neg x)) 3))
  (+ (+ 1 (exp (+ x x))) (pow (exp x) -2))
  (/ -1 (exp x))
  (* (exp x) (- (exp x) (pow (exp x) -3)))
  (+ (exp x) (exp (neg x)))
  (+ (sqrt (exp x)) (sqrt (exp (neg x))))
  (- (sqrt (exp x)) (sqrt (exp (neg x))))
  (- (exp x) (exp (* -1 x)))
  (/ -1 (exp x))
  (+ (* 1/3 (pow x 3)) (+ (* 1/60 (pow x 5)) (* 2 x)))
  (- (exp x) (exp (* -1 x)))
  (- (exp x) (exp (* -1 x)))
0.256 * * * [progress]: adding candidates to table
0.288 * * [progress]: iteration 2 / 4
0.288 * * * [progress]: picking best candidate
0.291 * * * * [pick]: Picked  #<alt (λ (x) (/ (+ (* 1/3 (pow x 3)) (+ (* 1/60 (pow x 5)) (* 2 x))) 2.0))>
0.291 * * * [progress]: localizing error
0.302 * * * [progress]: generating rewritten candidates
0.302 * * * * [progress]: [ 1 / 2 ] rewriting at (2 1 1)
0.308 * * * * [progress]: [ 2 / 2 ] rewriting at (2 1 2 1)
0.315 * * * [progress]: generating series expansions
0.315 * * * * [progress]: [ 1 / 2 ] generating series at (2 1 1)
0.315 * [approximate]: Taking taylor expansion of (* 1/3 (pow x 3)) in (x) around 0
0.315 * [taylor]: Taking taylor expansion of (* 1/3 (pow x 3)) in x
0.315 * [taylor]: Taking taylor expansion of 1/3 in x
0.315 * [taylor]: Taking taylor expansion of (pow x 3) in x
0.315 * [taylor]: Taking taylor expansion of x in x
0.315 * [taylor]: Taking taylor expansion of (* 1/3 (pow x 3)) in x
0.315 * [taylor]: Taking taylor expansion of 1/3 in x
0.315 * [taylor]: Taking taylor expansion of (pow x 3) in x
0.315 * [taylor]: Taking taylor expansion of x in x
0.316 * [approximate]: Taking taylor expansion of (/ 1/3 (pow x 3)) in (x) around 0
0.316 * [taylor]: Taking taylor expansion of (/ 1/3 (pow x 3)) in x
0.316 * [taylor]: Taking taylor expansion of 1/3 in x
0.316 * [taylor]: Taking taylor expansion of (pow x 3) in x
0.316 * [taylor]: Taking taylor expansion of x in x
0.316 * [taylor]: Taking taylor expansion of (/ 1/3 (pow x 3)) in x
0.316 * [taylor]: Taking taylor expansion of 1/3 in x
0.316 * [taylor]: Taking taylor expansion of (pow x 3) in x
0.316 * [taylor]: Taking taylor expansion of x in x
0.318 * [approximate]: Taking taylor expansion of (/ -1/3 (pow x 3)) in (x) around 0
0.318 * [taylor]: Taking taylor expansion of (/ -1/3 (pow x 3)) in x
0.318 * [taylor]: Taking taylor expansion of -1/3 in x
0.318 * [taylor]: Taking taylor expansion of (pow x 3) in x
0.318 * [taylor]: Taking taylor expansion of x in x
0.318 * [taylor]: Taking taylor expansion of (/ -1/3 (pow x 3)) in x
0.318 * [taylor]: Taking taylor expansion of -1/3 in x
0.318 * [taylor]: Taking taylor expansion of (pow x 3) in x
0.318 * [taylor]: Taking taylor expansion of x in x
0.319 * * * * [progress]: [ 2 / 2 ] generating series at (2 1 2 1)
0.319 * [approximate]: Taking taylor expansion of (* 1/60 (pow x 5)) in (x) around 0
0.319 * [taylor]: Taking taylor expansion of (* 1/60 (pow x 5)) in x
0.319 * [taylor]: Taking taylor expansion of 1/60 in x
0.319 * [taylor]: Taking taylor expansion of (pow x 5) in x
0.319 * [taylor]: Taking taylor expansion of x in x
0.319 * [taylor]: Taking taylor expansion of (* 1/60 (pow x 5)) in x
0.319 * [taylor]: Taking taylor expansion of 1/60 in x
0.319 * [taylor]: Taking taylor expansion of (pow x 5) in x
0.319 * [taylor]: Taking taylor expansion of x in x
0.320 * [approximate]: Taking taylor expansion of (/ 1/60 (pow x 5)) in (x) around 0
0.320 * [taylor]: Taking taylor expansion of (/ 1/60 (pow x 5)) in x
0.320 * [taylor]: Taking taylor expansion of 1/60 in x
0.320 * [taylor]: Taking taylor expansion of (pow x 5) in x
0.320 * [taylor]: Taking taylor expansion of x in x
0.320 * [taylor]: Taking taylor expansion of (/ 1/60 (pow x 5)) in x
0.320 * [taylor]: Taking taylor expansion of 1/60 in x
0.320 * [taylor]: Taking taylor expansion of (pow x 5) in x
0.320 * [taylor]: Taking taylor expansion of x in x
0.322 * [approximate]: Taking taylor expansion of (/ -1/60 (pow x 5)) in (x) around 0
0.322 * [taylor]: Taking taylor expansion of (/ -1/60 (pow x 5)) in x
0.322 * [taylor]: Taking taylor expansion of -1/60 in x
0.322 * [taylor]: Taking taylor expansion of (pow x 5) in x
0.322 * [taylor]: Taking taylor expansion of x in x
0.322 * [taylor]: Taking taylor expansion of (/ -1/60 (pow x 5)) in x
0.322 * [taylor]: Taking taylor expansion of -1/60 in x
0.322 * [taylor]: Taking taylor expansion of (pow x 5) in x
0.322 * [taylor]: Taking taylor expansion of x in x
0.323 * * * [progress]: simplifying candidates
0.324 * [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))
0.327 * * [simplify]: iteration  0 :  208  enodes  (cost  209 )
0.332 * * [simplify]: iteration  1 :  871  enodes  (cost  193 )
0.352 * * [simplify]: iteration  2 :  4636  enodes  (cost  193 )
0.503 * * [simplify]: iteration  3 :  5001  enodes  (cost  193 )
0.505 * [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))
0.505 * * * [progress]: adding candidates to table
0.586 * [progress]: [Phase 3 of 3] Extracting.
0.586 * * [regime]: Finding splitpoints for: (#<alt (λ (x) (/ (- (exp x) (exp (neg x))) 2.0))> #<alt (λ (x) (/ (+ (* 1/3 (pow x 3)) (+ (* 1/60 (pow x 5)) (* 2 x))) 2.0))>)
0.586 * * * [regime-changes]: Trying 3 branch expressions: ((- (exp x) (exp (neg x))) (/ (- (exp x) (exp (neg x))) 2.0) x)
0.586 * * * * [regimes]: Trying to branch on (- (exp x) (exp (neg x))) from (#<alt (λ (x) (/ (- (exp x) (exp (neg x))) 2.0))> #<alt (λ (x) (/ (+ (* 1/3 (pow x 3)) (+ (* 1/60 (pow x 5)) (* 2 x))) 2.0))>)
0.609 * * * * [regimes]: Trying to branch on (/ (- (exp x) (exp (neg x))) 2.0) from (#<alt (λ (x) (/ (- (exp x) (exp (neg x))) 2.0))> #<alt (λ (x) (/ (+ (* 1/3 (pow x 3)) (+ (* 1/60 (pow x 5)) (* 2 x))) 2.0))>)
0.633 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x) (/ (- (exp x) (exp (neg x))) 2.0))> #<alt (λ (x) (/ (+ (* 1/3 (pow x 3)) (+ (* 1/60 (pow x 5)) (* 2 x))) 2.0))>)
0.657 * * * [regime]: Found split indices: #<option (#s(si 1 255))>
0.657 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (/ (+ (* 1/3 (pow x 3)) (+ (* 1/60 (pow x 5)) (* 2 x))) 2.0)
0.658 * * [simplify]: iteration  0 :  20  enodes  (cost  8 )
0.658 * * [simplify]: iteration  1 :  20  enodes  (cost  8 )
0.658 * [simplify]: Simplified to:
   (/ (+ (* 1/3 (pow x 3)) (+ (* 1/60 (pow x 5)) (* 2 x))) 2.0)
3.061 * [regime-testing]: End program error score: 0.6645052480243544