9.685 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.012 * * * [progress]: [2/2] Setting up program.
0.015 * [progress]: [Phase 2 of 3] Improving.
0.015 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (* x (- 1.0 (* x 0.5)))
0.017 * * [simplify]: iteration  0 :  10  enodes  (cost  3 )
0.018 * * [simplify]: iteration  1 :  23  enodes  (cost  3 )
0.019 * * [simplify]: iteration  2 :  38  enodes  (cost  3 )
0.020 * * [simplify]: iteration  3 :  47  enodes  (cost  3 )
0.022 * * [simplify]: iteration  4 :  47  enodes  (cost  3 )
0.022 * [simplify]: Simplified to:
   (* x (- 1.0 (* x 0.5)))
0.022 * * [progress]: iteration 1 / 4
0.022 * * * [progress]: picking best candidate
0.024 * * * * [pick]: Picked  #<alt (λ (x) (* x (- 1.0 (* x 0.5))))>
0.024 * * * [progress]: localizing error
0.028 * * * [progress]: generating rewritten candidates
0.028 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.034 * * * [progress]: generating series expansions
0.034 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.034 * [approximate]: Taking taylor expansion of (* x (- 1.0 (* 0.5 x))) in (x) around 0
0.034 * [taylor]: Taking taylor expansion of (* x (- 1.0 (* 0.5 x))) in x
0.034 * [taylor]: Taking taylor expansion of x in x
0.034 * [taylor]: Taking taylor expansion of (- 1.0 (* 0.5 x)) in x
0.034 * [taylor]: Taking taylor expansion of 1.0 in x
0.034 * [taylor]: Taking taylor expansion of (* 0.5 x) in x
0.034 * [taylor]: Taking taylor expansion of 0.5 in x
0.034 * [taylor]: Taking taylor expansion of x in x
0.034 * [taylor]: Taking taylor expansion of (* x (- 1.0 (* 0.5 x))) in x
0.034 * [taylor]: Taking taylor expansion of x in x
0.034 * [taylor]: Taking taylor expansion of (- 1.0 (* 0.5 x)) in x
0.034 * [taylor]: Taking taylor expansion of 1.0 in x
0.034 * [taylor]: Taking taylor expansion of (* 0.5 x) in x
0.034 * [taylor]: Taking taylor expansion of 0.5 in x
0.034 * [taylor]: Taking taylor expansion of x in x
0.054 * [approximate]: Taking taylor expansion of (/ (- 1.0 (* 0.5 (/ 1 x))) x) in (x) around 0
0.054 * [taylor]: Taking taylor expansion of (/ (- 1.0 (* 0.5 (/ 1 x))) x) in x
0.054 * [taylor]: Taking taylor expansion of (- 1.0 (* 0.5 (/ 1 x))) in x
0.054 * [taylor]: Taking taylor expansion of 1.0 in x
0.054 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
0.054 * [taylor]: Taking taylor expansion of 0.5 in x
0.054 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.054 * [taylor]: Taking taylor expansion of x in x
0.054 * [taylor]: Taking taylor expansion of x in x
0.056 * [taylor]: Taking taylor expansion of (/ (- 1.0 (* 0.5 (/ 1 x))) x) in x
0.056 * [taylor]: Taking taylor expansion of (- 1.0 (* 0.5 (/ 1 x))) in x
0.056 * [taylor]: Taking taylor expansion of 1.0 in x
0.056 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
0.056 * [taylor]: Taking taylor expansion of 0.5 in x
0.056 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.056 * [taylor]: Taking taylor expansion of x in x
0.056 * [taylor]: Taking taylor expansion of x in x
0.074 * [approximate]: Taking taylor expansion of (* -1 (/ (+ (* 0.5 (/ 1 x)) 1.0) x)) in (x) around 0
0.074 * [taylor]: Taking taylor expansion of (* -1 (/ (+ (* 0.5 (/ 1 x)) 1.0) x)) in x
0.074 * [taylor]: Taking taylor expansion of -1 in x
0.074 * [taylor]: Taking taylor expansion of (/ (+ (* 0.5 (/ 1 x)) 1.0) x) in x
0.074 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 x)) 1.0) in x
0.074 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
0.074 * [taylor]: Taking taylor expansion of 0.5 in x
0.074 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.074 * [taylor]: Taking taylor expansion of x in x
0.074 * [taylor]: Taking taylor expansion of 1.0 in x
0.074 * [taylor]: Taking taylor expansion of x in x
0.075 * [taylor]: Taking taylor expansion of (* -1 (/ (+ (* 0.5 (/ 1 x)) 1.0) x)) in x
0.075 * [taylor]: Taking taylor expansion of -1 in x
0.075 * [taylor]: Taking taylor expansion of (/ (+ (* 0.5 (/ 1 x)) 1.0) x) in x
0.075 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 x)) 1.0) in x
0.075 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
0.075 * [taylor]: Taking taylor expansion of 0.5 in x
0.075 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.075 * [taylor]: Taking taylor expansion of x in x
0.075 * [taylor]: Taking taylor expansion of 1.0 in x
0.075 * [taylor]: Taking taylor expansion of x in x
0.101 * * * [progress]: simplifying candidates
0.102 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (* x (- 1.0 (* x 0.5)))
  (+ (log x) (log (- 1.0 (* x 0.5))))
  (log (* x (- 1.0 (* x 0.5))))
  (exp (* x (- 1.0 (* x 0.5))))
  (* (* (* x x) x) (* (* (- 1.0 (* x 0.5)) (- 1.0 (* x 0.5))) (- 1.0 (* x 0.5))))
  (* (cbrt (* x (- 1.0 (* x 0.5)))) (cbrt (* x (- 1.0 (* x 0.5)))))
  (cbrt (* x (- 1.0 (* x 0.5))))
  (* (* (* x (- 1.0 (* x 0.5))) (* x (- 1.0 (* x 0.5)))) (* x (- 1.0 (* x 0.5))))
  (sqrt (* x (- 1.0 (* x 0.5))))
  (sqrt (* x (- 1.0 (* x 0.5))))
  (* (sqrt x) (sqrt (- 1.0 (* x 0.5))))
  (* (sqrt x) (sqrt (- 1.0 (* x 0.5))))
  (* x 1.0)
  (* x (neg (* x 0.5)))
  (* x 1.0)
  (* x (neg (* x 0.5)))
  (* 1.0 x)
  (* (neg (* x 0.5)) x)
  (* 1.0 x)
  (* (neg (* x 0.5)) x)
  (* x (* (cbrt (- 1.0 (* x 0.5))) (cbrt (- 1.0 (* x 0.5)))))
  (* x (sqrt (- 1.0 (* x 0.5))))
  (* x 1)
  (* (cbrt x) (- 1.0 (* x 0.5)))
  (* (sqrt x) (- 1.0 (* x 0.5)))
  (* x (- 1.0 (* x 0.5)))
  (* x (- (pow 1.0 3) (pow (* x 0.5) 3)))
  (* x (- (* 1.0 1.0) (* (* x 0.5) (* x 0.5))))
  (- (* 1.0 x) (* 0.5 (pow x 2)))
  (- (* 1.0 x) (* 0.5 (pow x 2)))
  (- (* 1.0 x) (* 0.5 (pow x 2)))
0.105 * * [simplify]: iteration  0 :  122  enodes  (cost  130 )
0.108 * * [simplify]: iteration  1 :  534  enodes  (cost  113 )
0.121 * * [simplify]: iteration  2 :  2890  enodes  (cost  113 )
0.185 * * [simplify]: iteration  3 :  5001  enodes  (cost  113 )
0.186 * [simplify]: Simplified to:
   (* x (- 1.0 (* x 0.5)))
  (log (* x (- 1.0 (* x 0.5))))
  (log (* x (- 1.0 (* x 0.5))))
  (exp (* x (- 1.0 (* x 0.5))))
  (pow (* x (- 1.0 (* x 0.5))) 3)
  (* (cbrt (* x (- 1.0 (* x 0.5)))) (cbrt (* x (- 1.0 (* x 0.5)))))
  (cbrt (* x (- 1.0 (* x 0.5))))
  (pow (* x (- 1.0 (* x 0.5))) 3)
  (sqrt (* x (- 1.0 (* x 0.5))))
  (sqrt (* x (- 1.0 (* x 0.5))))
  (* (sqrt (- 1.0 (* x 0.5))) (pow x 1/2))
  (* (sqrt (- 1.0 (* x 0.5))) (pow x 1/2))
  (* x 1.0)
  (* x (neg (* x 0.5)))
  (* x 1.0)
  (* x (neg (* x 0.5)))
  (* x 1.0)
  (* x (neg (* x 0.5)))
  (* x 1.0)
  (* x (neg (* x 0.5)))
  (* x (* (cbrt (- 1.0 (* x 0.5))) (cbrt (- 1.0 (* x 0.5)))))
  (* x (sqrt (- 1.0 (* x 0.5))))
  x
  (* (cbrt x) (- 1.0 (* x 0.5)))
  (* (sqrt x) (- 1.0 (* x 0.5)))
  (* x (- 1.0 (* x 0.5)))
  (* x (- (pow 1.0 3) (pow (* x 0.5) 3)))
  (* x (- (* 1.0 1.0) (* (* x 0.5) (* x 0.5))))
  (* x (- 1.0 (* x 0.5)))
  (* x (- 1.0 (* x 0.5)))
  (* x (- 1.0 (* x 0.5)))
0.186 * * * [progress]: adding candidates to table
0.227 * * [progress]: iteration 2 / 4
0.227 * * * [progress]: picking best candidate
0.231 * * * * [pick]: Picked  #<alt (λ (x) (+ (* x 1.0) (* x (neg (* x 0.5)))))>
0.231 * * * [progress]: localizing error
0.238 * * * [progress]: generating rewritten candidates
0.238 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.242 * * * [progress]: generating series expansions
0.242 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.242 * [approximate]: Taking taylor expansion of (- (* 1.0 x) (* 0.5 (pow x 2))) in (x) around 0
0.242 * [taylor]: Taking taylor expansion of (- (* 1.0 x) (* 0.5 (pow x 2))) in x
0.242 * [taylor]: Taking taylor expansion of (* 1.0 x) in x
0.242 * [taylor]: Taking taylor expansion of 1.0 in x
0.242 * [taylor]: Taking taylor expansion of x in x
0.242 * [taylor]: Taking taylor expansion of (* 0.5 (pow x 2)) in x
0.242 * [taylor]: Taking taylor expansion of 0.5 in x
0.242 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.242 * [taylor]: Taking taylor expansion of x in x
0.242 * [taylor]: Taking taylor expansion of (- (* 1.0 x) (* 0.5 (pow x 2))) in x
0.242 * [taylor]: Taking taylor expansion of (* 1.0 x) in x
0.242 * [taylor]: Taking taylor expansion of 1.0 in x
0.242 * [taylor]: Taking taylor expansion of x in x
0.242 * [taylor]: Taking taylor expansion of (* 0.5 (pow x 2)) in x
0.242 * [taylor]: Taking taylor expansion of 0.5 in x
0.242 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.242 * [taylor]: Taking taylor expansion of x in x
0.265 * [approximate]: Taking taylor expansion of (- (* 1.0 (/ 1 x)) (* 0.5 (/ 1 (pow x 2)))) in (x) around 0
0.265 * [taylor]: Taking taylor expansion of (- (* 1.0 (/ 1 x)) (* 0.5 (/ 1 (pow x 2)))) in x
0.265 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 x)) in x
0.265 * [taylor]: Taking taylor expansion of 1.0 in x
0.265 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.265 * [taylor]: Taking taylor expansion of x in x
0.265 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 (pow x 2))) in x
0.265 * [taylor]: Taking taylor expansion of 0.5 in x
0.265 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.265 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.265 * [taylor]: Taking taylor expansion of x in x
0.266 * [taylor]: Taking taylor expansion of (- (* 1.0 (/ 1 x)) (* 0.5 (/ 1 (pow x 2)))) in x
0.266 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 x)) in x
0.266 * [taylor]: Taking taylor expansion of 1.0 in x
0.266 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.266 * [taylor]: Taking taylor expansion of x in x
0.266 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 (pow x 2))) in x
0.266 * [taylor]: Taking taylor expansion of 0.5 in x
0.266 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.266 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.266 * [taylor]: Taking taylor expansion of x in x
0.289 * [approximate]: Taking taylor expansion of (neg (+ (* 0.5 (/ 1 (pow x 2))) (* 1.0 (/ 1 x)))) in (x) around 0
0.289 * [taylor]: Taking taylor expansion of (neg (+ (* 0.5 (/ 1 (pow x 2))) (* 1.0 (/ 1 x)))) in x
0.289 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 (pow x 2))) (* 1.0 (/ 1 x))) in x
0.290 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 (pow x 2))) in x
0.290 * [taylor]: Taking taylor expansion of 0.5 in x
0.290 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.290 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.290 * [taylor]: Taking taylor expansion of x in x
0.290 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 x)) in x
0.290 * [taylor]: Taking taylor expansion of 1.0 in x
0.290 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.290 * [taylor]: Taking taylor expansion of x in x
0.290 * [taylor]: Taking taylor expansion of (neg (+ (* 0.5 (/ 1 (pow x 2))) (* 1.0 (/ 1 x)))) in x
0.290 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 (pow x 2))) (* 1.0 (/ 1 x))) in x
0.290 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 (pow x 2))) in x
0.290 * [taylor]: Taking taylor expansion of 0.5 in x
0.290 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.290 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.291 * [taylor]: Taking taylor expansion of x in x
0.291 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 x)) in x
0.291 * [taylor]: Taking taylor expansion of 1.0 in x
0.291 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.291 * [taylor]: Taking taylor expansion of x in x
0.315 * * * [progress]: simplifying candidates
0.315 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (* (exp (* x 1.0)) (exp (* x (neg (* x 0.5)))))
  (log (+ (* x 1.0) (* x (neg (* x 0.5)))))
  (exp (+ (* x 1.0) (* x (neg (* x 0.5)))))
  (* (cbrt (+ (* x 1.0) (* x (neg (* x 0.5))))) (cbrt (+ (* x 1.0) (* x (neg (* x 0.5))))))
  (cbrt (+ (* x 1.0) (* x (neg (* x 0.5)))))
  (* (* (+ (* x 1.0) (* x (neg (* x 0.5)))) (+ (* x 1.0) (* x (neg (* x 0.5))))) (+ (* x 1.0) (* x (neg (* x 0.5)))))
  (sqrt (+ (* x 1.0) (* x (neg (* x 0.5)))))
  (sqrt (+ (* x 1.0) (* x (neg (* x 0.5)))))
  (+ (pow (* x 1.0) 3) (pow (* x (neg (* x 0.5))) 3))
  (+ (* (* x 1.0) (* x 1.0)) (- (* (* x (neg (* x 0.5))) (* x (neg (* x 0.5)))) (* (* x 1.0) (* x (neg (* x 0.5))))))
  (- (* (* x 1.0) (* x 1.0)) (* (* x (neg (* x 0.5))) (* x (neg (* x 0.5)))))
  (- (* x 1.0) (* x (neg (* x 0.5))))
  (+ 1.0 (neg (* x 0.5)))
  (- (* 1.0 x) (* 0.5 (pow x 2)))
  (- (* 1.0 x) (* 0.5 (pow x 2)))
  (- (* 1.0 x) (* 0.5 (pow x 2)))
0.318 * * [simplify]: iteration  0 :  116  enodes  (cost  114 )
0.321 * * [simplify]: iteration  1 :  493  enodes  (cost  90 )
0.336 * * [simplify]: iteration  2 :  3196  enodes  (cost  86 )
0.431 * * [simplify]: iteration  3 :  5001  enodes  (cost  86 )
0.432 * [simplify]: Simplified to:
   (pow (exp x) (- 1.0 (* x 0.5)))
  (+ (log x) (log (- 1.0 (* x 0.5))))
  (pow (exp x) (- 1.0 (* x 0.5)))
  (* (cbrt (+ (* x 1.0) (* x (neg (* x 0.5))))) (cbrt (+ (* x 1.0) (* x (neg (* x 0.5))))))
  (cbrt (+ (* x 1.0) (* x (neg (* x 0.5)))))
  (pow (* (- 1.0 (* x 0.5)) x) 3)
  (sqrt (+ (* x 1.0) (* x (neg (* x 0.5)))))
  (sqrt (+ (* x 1.0) (* x (neg (* x 0.5)))))
  (- (pow (* x 1.0) 3) (pow (* x (* x 0.5)) 3))
  (* x (+ (* 1.0 (* x 1.0)) (* (neg (* x 0.5)) (* x (- (neg (* x 0.5)) 1.0)))))
  (* (pow x 2) (- (* 1.0 1.0) (* (* x 0.5) (* x 0.5))))
  (* x (+ 1.0 (* x 0.5)))
  (- 1.0 (* x 0.5))
  (* (- 1.0 (* x 0.5)) x)
  (* (- 1.0 (* x 0.5)) x)
  (* (- 1.0 (* x 0.5)) x)
0.433 * * * [progress]: adding candidates to table
0.470 * * [progress]: iteration 3 / 4
0.470 * * * [progress]: picking best candidate
0.472 * * * * [pick]: Picked  #<alt (λ (x) (log (exp (* x (- 1.0 (* x 0.5))))))>
0.472 * * * [progress]: localizing error
0.479 * * * [progress]: generating rewritten candidates
0.479 * * * * [progress]: [ 1 / 3 ] rewriting at (2)
0.481 * * * * [progress]: [ 2 / 3 ] rewriting at (2 1)
0.484 * * * * [progress]: [ 3 / 3 ] rewriting at (2 1 1)
0.490 * * * [progress]: generating series expansions
0.490 * * * * [progress]: [ 1 / 3 ] generating series at (2)
0.490 * [approximate]: Taking taylor expansion of (* x (- 1.0 (* 0.5 x))) in (x) around 0
0.490 * [taylor]: Taking taylor expansion of (* x (- 1.0 (* 0.5 x))) in x
0.491 * [taylor]: Taking taylor expansion of x in x
0.491 * [taylor]: Taking taylor expansion of (- 1.0 (* 0.5 x)) in x
0.491 * [taylor]: Taking taylor expansion of 1.0 in x
0.491 * [taylor]: Taking taylor expansion of (* 0.5 x) in x
0.491 * [taylor]: Taking taylor expansion of 0.5 in x
0.491 * [taylor]: Taking taylor expansion of x in x
0.491 * [taylor]: Taking taylor expansion of (* x (- 1.0 (* 0.5 x))) in x
0.491 * [taylor]: Taking taylor expansion of x in x
0.491 * [taylor]: Taking taylor expansion of (- 1.0 (* 0.5 x)) in x
0.491 * [taylor]: Taking taylor expansion of 1.0 in x
0.491 * [taylor]: Taking taylor expansion of (* 0.5 x) in x
0.491 * [taylor]: Taking taylor expansion of 0.5 in x
0.491 * [taylor]: Taking taylor expansion of x in x
0.511 * [approximate]: Taking taylor expansion of (/ (- 1.0 (* 0.5 (/ 1 x))) x) in (x) around 0
0.511 * [taylor]: Taking taylor expansion of (/ (- 1.0 (* 0.5 (/ 1 x))) x) in x
0.511 * [taylor]: Taking taylor expansion of (- 1.0 (* 0.5 (/ 1 x))) in x
0.511 * [taylor]: Taking taylor expansion of 1.0 in x
0.511 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
0.511 * [taylor]: Taking taylor expansion of 0.5 in x
0.511 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.511 * [taylor]: Taking taylor expansion of x in x
0.511 * [taylor]: Taking taylor expansion of x in x
0.513 * [taylor]: Taking taylor expansion of (/ (- 1.0 (* 0.5 (/ 1 x))) x) in x
0.513 * [taylor]: Taking taylor expansion of (- 1.0 (* 0.5 (/ 1 x))) in x
0.513 * [taylor]: Taking taylor expansion of 1.0 in x
0.513 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
0.513 * [taylor]: Taking taylor expansion of 0.5 in x
0.513 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.513 * [taylor]: Taking taylor expansion of x in x
0.513 * [taylor]: Taking taylor expansion of x in x
0.535 * [approximate]: Taking taylor expansion of (* -1 (/ (+ (* 0.5 (/ 1 x)) 1.0) x)) in (x) around 0
0.535 * [taylor]: Taking taylor expansion of (* -1 (/ (+ (* 0.5 (/ 1 x)) 1.0) x)) in x
0.535 * [taylor]: Taking taylor expansion of -1 in x
0.535 * [taylor]: Taking taylor expansion of (/ (+ (* 0.5 (/ 1 x)) 1.0) x) in x
0.535 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 x)) 1.0) in x
0.535 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
0.535 * [taylor]: Taking taylor expansion of 0.5 in x
0.535 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.535 * [taylor]: Taking taylor expansion of x in x
0.536 * [taylor]: Taking taylor expansion of 1.0 in x
0.536 * [taylor]: Taking taylor expansion of x in x
0.537 * [taylor]: Taking taylor expansion of (* -1 (/ (+ (* 0.5 (/ 1 x)) 1.0) x)) in x
0.537 * [taylor]: Taking taylor expansion of -1 in x
0.537 * [taylor]: Taking taylor expansion of (/ (+ (* 0.5 (/ 1 x)) 1.0) x) in x
0.537 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 x)) 1.0) in x
0.537 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
0.537 * [taylor]: Taking taylor expansion of 0.5 in x
0.537 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.537 * [taylor]: Taking taylor expansion of x in x
0.537 * [taylor]: Taking taylor expansion of 1.0 in x
0.537 * [taylor]: Taking taylor expansion of x in x
0.558 * * * * [progress]: [ 2 / 3 ] generating series at (2 1)
0.559 * [approximate]: Taking taylor expansion of (exp (* x (- 1.0 (* 0.5 x)))) in (x) around 0
0.559 * [taylor]: Taking taylor expansion of (exp (* x (- 1.0 (* 0.5 x)))) in x
0.559 * [taylor]: Taking taylor expansion of (* x (- 1.0 (* 0.5 x))) in x
0.559 * [taylor]: Taking taylor expansion of x in x
0.559 * [taylor]: Taking taylor expansion of (- 1.0 (* 0.5 x)) in x
0.559 * [taylor]: Taking taylor expansion of 1.0 in x
0.559 * [taylor]: Taking taylor expansion of (* 0.5 x) in x
0.559 * [taylor]: Taking taylor expansion of 0.5 in x
0.559 * [taylor]: Taking taylor expansion of x in x
0.562 * [taylor]: Taking taylor expansion of (exp (* x (- 1.0 (* 0.5 x)))) in x
0.562 * [taylor]: Taking taylor expansion of (* x (- 1.0 (* 0.5 x))) in x
0.562 * [taylor]: Taking taylor expansion of x in x
0.562 * [taylor]: Taking taylor expansion of (- 1.0 (* 0.5 x)) in x
0.562 * [taylor]: Taking taylor expansion of 1.0 in x
0.563 * [taylor]: Taking taylor expansion of (* 0.5 x) in x
0.563 * [taylor]: Taking taylor expansion of 0.5 in x
0.563 * [taylor]: Taking taylor expansion of x in x
0.586 * [approximate]: Taking taylor expansion of (exp (/ (- 1.0 (* 0.5 (/ 1 x))) x)) in (x) around 0
0.586 * [taylor]: Taking taylor expansion of (exp (/ (- 1.0 (* 0.5 (/ 1 x))) x)) in x
0.586 * [taylor]: Taking taylor expansion of (/ (- 1.0 (* 0.5 (/ 1 x))) x) in x
0.586 * [taylor]: Taking taylor expansion of (- 1.0 (* 0.5 (/ 1 x))) in x
0.586 * [taylor]: Taking taylor expansion of 1.0 in x
0.586 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
0.586 * [taylor]: Taking taylor expansion of 0.5 in x
0.586 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.586 * [taylor]: Taking taylor expansion of x in x
0.586 * [taylor]: Taking taylor expansion of x in x
0.588 * [taylor]: Taking taylor expansion of (exp (/ (- 1.0 (* 0.5 (/ 1 x))) x)) in x
0.588 * [taylor]: Taking taylor expansion of (/ (- 1.0 (* 0.5 (/ 1 x))) x) in x
0.588 * [taylor]: Taking taylor expansion of (- 1.0 (* 0.5 (/ 1 x))) in x
0.588 * [taylor]: Taking taylor expansion of 1.0 in x
0.588 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
0.588 * [taylor]: Taking taylor expansion of 0.5 in x
0.588 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.588 * [taylor]: Taking taylor expansion of x in x
0.588 * [taylor]: Taking taylor expansion of x in x
0.590 * [approximate]: Taking taylor expansion of (exp (* -1 (/ (+ (* 0.5 (/ 1 x)) 1.0) x))) in (x) around 0
0.591 * [taylor]: Taking taylor expansion of (exp (* -1 (/ (+ (* 0.5 (/ 1 x)) 1.0) x))) in x
0.591 * [taylor]: Taking taylor expansion of (* -1 (/ (+ (* 0.5 (/ 1 x)) 1.0) x)) in x
0.591 * [taylor]: Taking taylor expansion of -1 in x
0.591 * [taylor]: Taking taylor expansion of (/ (+ (* 0.5 (/ 1 x)) 1.0) x) in x
0.591 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 x)) 1.0) in x
0.591 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
0.591 * [taylor]: Taking taylor expansion of 0.5 in x
0.591 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.591 * [taylor]: Taking taylor expansion of x in x
0.591 * [taylor]: Taking taylor expansion of 1.0 in x
0.591 * [taylor]: Taking taylor expansion of x in x
0.592 * [taylor]: Taking taylor expansion of (exp (* -1 (/ (+ (* 0.5 (/ 1 x)) 1.0) x))) in x
0.592 * [taylor]: Taking taylor expansion of (* -1 (/ (+ (* 0.5 (/ 1 x)) 1.0) x)) in x
0.592 * [taylor]: Taking taylor expansion of -1 in x
0.592 * [taylor]: Taking taylor expansion of (/ (+ (* 0.5 (/ 1 x)) 1.0) x) in x
0.592 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 x)) 1.0) in x
0.592 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
0.592 * [taylor]: Taking taylor expansion of 0.5 in x
0.592 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.592 * [taylor]: Taking taylor expansion of x in x
0.593 * [taylor]: Taking taylor expansion of 1.0 in x
0.593 * [taylor]: Taking taylor expansion of x in x
0.594 * * * * [progress]: [ 3 / 3 ] generating series at (2 1 1)
0.594 * [approximate]: Taking taylor expansion of (* x (- 1.0 (* 0.5 x))) in (x) around 0
0.594 * [taylor]: Taking taylor expansion of (* x (- 1.0 (* 0.5 x))) in x
0.594 * [taylor]: Taking taylor expansion of x in x
0.594 * [taylor]: Taking taylor expansion of (- 1.0 (* 0.5 x)) in x
0.594 * [taylor]: Taking taylor expansion of 1.0 in x
0.594 * [taylor]: Taking taylor expansion of (* 0.5 x) in x
0.594 * [taylor]: Taking taylor expansion of 0.5 in x
0.594 * [taylor]: Taking taylor expansion of x in x
0.594 * [taylor]: Taking taylor expansion of (* x (- 1.0 (* 0.5 x))) in x
0.594 * [taylor]: Taking taylor expansion of x in x
0.594 * [taylor]: Taking taylor expansion of (- 1.0 (* 0.5 x)) in x
0.594 * [taylor]: Taking taylor expansion of 1.0 in x
0.595 * [taylor]: Taking taylor expansion of (* 0.5 x) in x
0.595 * [taylor]: Taking taylor expansion of 0.5 in x
0.595 * [taylor]: Taking taylor expansion of x in x
0.621 * [approximate]: Taking taylor expansion of (/ (- 1.0 (* 0.5 (/ 1 x))) x) in (x) around 0
0.621 * [taylor]: Taking taylor expansion of (/ (- 1.0 (* 0.5 (/ 1 x))) x) in x
0.621 * [taylor]: Taking taylor expansion of (- 1.0 (* 0.5 (/ 1 x))) in x
0.621 * [taylor]: Taking taylor expansion of 1.0 in x
0.621 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
0.621 * [taylor]: Taking taylor expansion of 0.5 in x
0.621 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.621 * [taylor]: Taking taylor expansion of x in x
0.621 * [taylor]: Taking taylor expansion of x in x
0.623 * [taylor]: Taking taylor expansion of (/ (- 1.0 (* 0.5 (/ 1 x))) x) in x
0.623 * [taylor]: Taking taylor expansion of (- 1.0 (* 0.5 (/ 1 x))) in x
0.623 * [taylor]: Taking taylor expansion of 1.0 in x
0.623 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
0.623 * [taylor]: Taking taylor expansion of 0.5 in x
0.623 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.623 * [taylor]: Taking taylor expansion of x in x
0.623 * [taylor]: Taking taylor expansion of x in x
0.641 * [approximate]: Taking taylor expansion of (* -1 (/ (+ (* 0.5 (/ 1 x)) 1.0) x)) in (x) around 0
0.641 * [taylor]: Taking taylor expansion of (* -1 (/ (+ (* 0.5 (/ 1 x)) 1.0) x)) in x
0.641 * [taylor]: Taking taylor expansion of -1 in x
0.641 * [taylor]: Taking taylor expansion of (/ (+ (* 0.5 (/ 1 x)) 1.0) x) in x
0.641 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 x)) 1.0) in x
0.641 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
0.641 * [taylor]: Taking taylor expansion of 0.5 in x
0.641 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.641 * [taylor]: Taking taylor expansion of x in x
0.642 * [taylor]: Taking taylor expansion of 1.0 in x
0.642 * [taylor]: Taking taylor expansion of x in x
0.643 * [taylor]: Taking taylor expansion of (* -1 (/ (+ (* 0.5 (/ 1 x)) 1.0) x)) in x
0.643 * [taylor]: Taking taylor expansion of -1 in x
0.643 * [taylor]: Taking taylor expansion of (/ (+ (* 0.5 (/ 1 x)) 1.0) x) in x
0.643 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 x)) 1.0) in x
0.643 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
0.643 * [taylor]: Taking taylor expansion of 0.5 in x
0.643 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.643 * [taylor]: Taking taylor expansion of x in x
0.643 * [taylor]: Taking taylor expansion of 1.0 in x
0.643 * [taylor]: Taking taylor expansion of x in x
0.665 * * * [progress]: simplifying candidates
0.666 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (log (exp (* x 1.0)))
  (log (exp (* x (neg (* x 0.5)))))
  (log (exp (* x 1.0)))
  (log (exp (* x (neg (* x 0.5)))))
  (log (exp (* 1.0 x)))
  (log (exp (* (neg (* x 0.5)) x)))
  (log (exp (* 1.0 x)))
  (log (exp (* (neg (* x 0.5)) x)))
  (log (* (cbrt (exp (* x (- 1.0 (* x 0.5))))) (cbrt (exp (* x (- 1.0 (* x 0.5)))))))
  (log (cbrt (exp (* x (- 1.0 (* x 0.5))))))
  (log (sqrt (exp (* x (- 1.0 (* x 0.5))))))
  (log (sqrt (exp (* x (- 1.0 (* x 0.5))))))
  (log 1)
  (log (exp (* x (- 1.0 (* x 0.5)))))
  (log (exp x))
  (log (exp (* x (- 1.0 (* x 0.5)))))
  (log (exp x))
  (log (log (exp (* x (- 1.0 (* x 0.5))))))
  (exp (log (exp (* x (- 1.0 (* x 0.5))))))
  (* (cbrt (log (exp (* x (- 1.0 (* x 0.5)))))) (cbrt (log (exp (* x (- 1.0 (* x 0.5)))))))
  (cbrt (log (exp (* x (- 1.0 (* x 0.5))))))
  (* (* (log (exp (* x (- 1.0 (* x 0.5))))) (log (exp (* x (- 1.0 (* x 0.5)))))) (log (exp (* x (- 1.0 (* x 0.5))))))
  (sqrt (log (exp (* x (- 1.0 (* x 0.5))))))
  (sqrt (log (exp (* x (- 1.0 (* x 0.5))))))
  (exp x)
  (exp (* x 1.0))
  (exp (* x (neg (* x 0.5))))
  (exp (* x 1.0))
  (exp (* x (neg (* x 0.5))))
  (exp (* 1.0 x))
  (exp (* (neg (* x 0.5)) x))
  (exp (* 1.0 x))
  (exp (* (neg (* x 0.5)) x))
  (log (exp (* x (- 1.0 (* x 0.5)))))
  (exp (exp (* x (- 1.0 (* x 0.5)))))
  (* (cbrt (exp (* x (- 1.0 (* x 0.5))))) (cbrt (exp (* x (- 1.0 (* x 0.5))))))
  (cbrt (exp (* x (- 1.0 (* x 0.5)))))
  (* (* (exp (* x (- 1.0 (* x 0.5)))) (exp (* x (- 1.0 (* x 0.5))))) (exp (* x (- 1.0 (* x 0.5)))))
  (sqrt (exp (* x (- 1.0 (* x 0.5)))))
  (sqrt (exp (* x (- 1.0 (* x 0.5)))))
  (* x (- 1.0 (* x 0.5)))
  (+ (log x) (log (- 1.0 (* x 0.5))))
  (log (* x (- 1.0 (* x 0.5))))
  (exp (* x (- 1.0 (* x 0.5))))
  (* (* (* x x) x) (* (* (- 1.0 (* x 0.5)) (- 1.0 (* x 0.5))) (- 1.0 (* x 0.5))))
  (* (cbrt (* x (- 1.0 (* x 0.5)))) (cbrt (* x (- 1.0 (* x 0.5)))))
  (cbrt (* x (- 1.0 (* x 0.5))))
  (* (* (* x (- 1.0 (* x 0.5))) (* x (- 1.0 (* x 0.5)))) (* x (- 1.0 (* x 0.5))))
  (sqrt (* x (- 1.0 (* x 0.5))))
  (sqrt (* x (- 1.0 (* x 0.5))))
  (* (sqrt x) (sqrt (- 1.0 (* x 0.5))))
  (* (sqrt x) (sqrt (- 1.0 (* x 0.5))))
  (* x 1.0)
  (* x (neg (* x 0.5)))
  (* x 1.0)
  (* x (neg (* x 0.5)))
  (* 1.0 x)
  (* (neg (* x 0.5)) x)
  (* 1.0 x)
  (* (neg (* x 0.5)) x)
  (* x (* (cbrt (- 1.0 (* x 0.5))) (cbrt (- 1.0 (* x 0.5)))))
  (* x (sqrt (- 1.0 (* x 0.5))))
  (* x 1)
  (* (cbrt x) (- 1.0 (* x 0.5)))
  (* (sqrt x) (- 1.0 (* x 0.5)))
  (* x (- 1.0 (* x 0.5)))
  (* x (- (pow 1.0 3) (pow (* x 0.5) 3)))
  (* x (- (* 1.0 1.0) (* (* x 0.5) (* x 0.5))))
  (- (* 1.0 x) (* 0.5 (pow x 2)))
  (- (* 1.0 x) (* 0.5 (pow x 2)))
  (- (* 1.0 x) (* 0.5 (pow x 2)))
  (- (+ 1 (* 1.0 x)) (* 0.33333333333333337 (pow x 3)))
  (exp (* x (- 1.0 (* 0.5 x))))
  (exp (* x (- 1.0 (* 0.5 x))))
  (- (* 1.0 x) (* 0.5 (pow x 2)))
  (- (* 1.0 x) (* 0.5 (pow x 2)))
  (- (* 1.0 x) (* 0.5 (pow x 2)))
0.669 * * [simplify]: iteration  0 :  180  enodes  (cost  319 )
0.673 * * [simplify]: iteration  1 :  697  enodes  (cost  279 )
0.689 * * [simplify]: iteration  2 :  3603  enodes  (cost  279 )
0.768 * * [simplify]: iteration  3 :  5002  enodes  (cost  279 )
0.770 * [simplify]: Simplified to:
   (* x 1.0)
  (* x (neg (* x 0.5)))
  (* x 1.0)
  (* x (neg (* x 0.5)))
  (* x 1.0)
  (* x (neg (* x 0.5)))
  (* x 1.0)
  (* x (neg (* x 0.5)))
  (* 2 (log (cbrt (exp (* x (- 1.0 (* x 0.5)))))))
  (log (cbrt (exp (* x (- 1.0 (* x 0.5))))))
  (log (sqrt (exp (* x (- 1.0 (* x 0.5))))))
  (log (sqrt (exp (* x (- 1.0 (* x 0.5))))))
  0
  (* x (- 1.0 (* x 0.5)))
  x
  (* x (- 1.0 (* x 0.5)))
  x
  (log (* x (- 1.0 (* x 0.5))))
  (exp (* x (- 1.0 (* x 0.5))))
  (* (cbrt (* x (- 1.0 (* x 0.5)))) (cbrt (* x (- 1.0 (* x 0.5)))))
  (cbrt (* x (- 1.0 (* x 0.5))))
  (pow (* x (- 1.0 (* x 0.5))) 3)
  (sqrt (* x (- 1.0 (* x 0.5))))
  (sqrt (* x (- 1.0 (* x 0.5))))
  (exp x)
  (exp (* 1.0 x))
  (exp (* (neg (* x 0.5)) x))
  (exp (* 1.0 x))
  (exp (* (neg (* x 0.5)) x))
  (exp (* 1.0 x))
  (exp (* (neg (* x 0.5)) x))
  (exp (* 1.0 x))
  (exp (* (neg (* x 0.5)) x))
  (* x (- 1.0 (* x 0.5)))
  (exp (exp (* x (- 1.0 (* x 0.5)))))
  (* (cbrt (exp (* x (- 1.0 (* x 0.5))))) (cbrt (exp (* x (- 1.0 (* x 0.5))))))
  (cbrt (exp (* x (- 1.0 (* x 0.5)))))
  (pow (exp (* x (- 1.0 (* x 0.5)))) 3)
  (sqrt (exp (* x (- 1.0 (* x 0.5)))))
  (sqrt (exp (* x (- 1.0 (* x 0.5)))))
  (* x (- 1.0 (* x 0.5)))
  (log (* x (- 1.0 (* x 0.5))))
  (log (* x (- 1.0 (* x 0.5))))
  (exp (* x (- 1.0 (* x 0.5))))
  (pow (* x (- 1.0 (* x 0.5))) 3)
  (* (cbrt (* x (- 1.0 (* x 0.5)))) (cbrt (* x (- 1.0 (* x 0.5)))))
  (cbrt (* x (- 1.0 (* x 0.5))))
  (pow (* x (- 1.0 (* x 0.5))) 3)
  (sqrt (* x (- 1.0 (* x 0.5))))
  (sqrt (* x (- 1.0 (* x 0.5))))
  (* (sqrt (- 1.0 (* x 0.5))) (pow x 1/2))
  (* (sqrt (- 1.0 (* x 0.5))) (pow x 1/2))
  (* x 1.0)
  (* x (neg (* x 0.5)))
  (* x 1.0)
  (* x (neg (* x 0.5)))
  (* x 1.0)
  (* x (neg (* x 0.5)))
  (* x 1.0)
  (* x (neg (* x 0.5)))
  (* x (* (cbrt (- 1.0 (* x 0.5))) (cbrt (- 1.0 (* x 0.5)))))
  (* x (sqrt (- 1.0 (* x 0.5))))
  x
  (* (cbrt x) (- 1.0 (* x 0.5)))
  (* (sqrt x) (- 1.0 (* x 0.5)))
  (* x (- 1.0 (* x 0.5)))
  (* x (- (pow 1.0 3) (pow (* x 0.5) 3)))
  (* x (- (* 1.0 1.0) (* (* x 0.5) (* x 0.5))))
  (* x (- 1.0 (* x 0.5)))
  (* x (- 1.0 (* x 0.5)))
  (* x (- 1.0 (* x 0.5)))
  (- (+ 1 (* 1.0 x)) (* 0.33333333333333337 (pow x 3)))
  (exp (* x (- 1.0 (* x 0.5))))
  (exp (* x (- 1.0 (* x 0.5))))
  (* x (- 1.0 (* x 0.5)))
  (* x (- 1.0 (* x 0.5)))
  (* x (- 1.0 (* x 0.5)))
0.771 * * * [progress]: adding candidates to table
0.883 * [progress]: [Phase 3 of 3] Extracting.
0.883 * * [regime]: Finding splitpoints for: (#<alt (λ (x) (log (exp (* x (- 1.0 (* x 0.5))))))> #<alt (λ (x) (+ (* x 1.0) (* x (neg (* x 0.5)))))> #<alt (λ (x) (* x (- 1.0 (* x 0.5))))>)
0.883 * * * [regime-changes]: Trying 2 branch expressions: ((* x (- 1.0 (* x 0.5))) x)
0.883 * * * * [regimes]: Trying to branch on (* x (- 1.0 (* x 0.5))) from (#<alt (λ (x) (log (exp (* x (- 1.0 (* x 0.5))))))> #<alt (λ (x) (+ (* x 1.0) (* x (neg (* x 0.5)))))> #<alt (λ (x) (* x (- 1.0 (* x 0.5))))>)
0.910 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x) (log (exp (* x (- 1.0 (* x 0.5))))))> #<alt (λ (x) (+ (* x 1.0) (* x (neg (* x 0.5)))))> #<alt (λ (x) (* x (- 1.0 (* x 0.5))))>)
0.938 * * * [regime]: Found split indices: #<option (#s(si 2 255))>
0.939 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (* x (- 1.0 (* x 0.5)))
0.939 * * [simplify]: iteration  0 :  8  enodes  (cost  3 )
0.939 * * [simplify]: iteration  1 :  8  enodes  (cost  3 )
0.940 * [simplify]: Simplified to:
   (* x (- 1.0 (* x 0.5)))
1.483 * [regime-testing]: Baseline error score: 0.010876359544943117
1.484 * [regime-testing]: Oracle error score: 0.0007500937617202151
1.485 * [regime-testing]: End program error score: 0.010876359544943117