9.021 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.011 * * * [progress]: [2/2] Setting up program.
0.012 * [progress]: [Phase 2 of 3] Improving.
0.013 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (* x (- 1.0 (* x 0.5)))
0.015 * * [simplify]: iteration  0 :  10  enodes  (cost  3 )
0.016 * * [simplify]: iteration  1 :  23  enodes  (cost  3 )
0.018 * * [simplify]: iteration  2 :  38  enodes  (cost  3 )
0.019 * * [simplify]: iteration  3 :  47  enodes  (cost  3 )
0.021 * * [simplify]: iteration  4 :  47  enodes  (cost  3 )
0.021 * [simplify]: Simplified to:
   (* x (- 1.0 (* x 0.5)))
0.021 * * [progress]: iteration 1 / 4
0.021 * * * [progress]: picking best candidate
0.023 * * * * [pick]: Picked  #<alt (λ (x) (* x (- 1.0 (* x 0.5))))>
0.023 * * * [progress]: localizing error
0.027 * * * [progress]: generating rewritten candidates
0.027 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.030 * * * [progress]: generating series expansions
0.030 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.031 * [approximate]: Taking taylor expansion of (* x (- 1.0 (* 0.5 x))) in (x) around 0
0.031 * [taylor]: Taking taylor expansion of (* x (- 1.0 (* 0.5 x))) in x
0.031 * [taylor]: Taking taylor expansion of x in x
0.031 * [taylor]: Taking taylor expansion of (- 1.0 (* 0.5 x)) in x
0.031 * [taylor]: Taking taylor expansion of 1.0 in x
0.031 * [taylor]: Taking taylor expansion of (* 0.5 x) in x
0.031 * [taylor]: Taking taylor expansion of 0.5 in x
0.031 * [taylor]: Taking taylor expansion of x in x
0.031 * [taylor]: Taking taylor expansion of (* x (- 1.0 (* 0.5 x))) in x
0.031 * [taylor]: Taking taylor expansion of x in x
0.031 * [taylor]: Taking taylor expansion of (- 1.0 (* 0.5 x)) in x
0.031 * [taylor]: Taking taylor expansion of 1.0 in x
0.031 * [taylor]: Taking taylor expansion of (* 0.5 x) in x
0.031 * [taylor]: Taking taylor expansion of 0.5 in x
0.031 * [taylor]: Taking taylor expansion of x in x
0.052 * [approximate]: Taking taylor expansion of (/ (- 1.0 (* 0.5 (/ 1 x))) x) in (x) around 0
0.052 * [taylor]: Taking taylor expansion of (/ (- 1.0 (* 0.5 (/ 1 x))) x) in x
0.052 * [taylor]: Taking taylor expansion of (- 1.0 (* 0.5 (/ 1 x))) in x
0.052 * [taylor]: Taking taylor expansion of 1.0 in x
0.052 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
0.052 * [taylor]: Taking taylor expansion of 0.5 in x
0.052 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.052 * [taylor]: Taking taylor expansion of x in x
0.053 * [taylor]: Taking taylor expansion of x in x
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
0.055 * [taylor]: Taking taylor expansion of x in x
0.076 * [approximate]: Taking taylor expansion of (* -1 (/ (+ (* 0.5 (/ 1 x)) 1.0) x)) in (x) around 0
0.076 * [taylor]: Taking taylor expansion of (* -1 (/ (+ (* 0.5 (/ 1 x)) 1.0) x)) in x
0.076 * [taylor]: Taking taylor expansion of -1 in x
0.076 * [taylor]: Taking taylor expansion of (/ (+ (* 0.5 (/ 1 x)) 1.0) x) in x
0.076 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 x)) 1.0) in x
0.076 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
0.076 * [taylor]: Taking taylor expansion of 0.5 in x
0.076 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.076 * [taylor]: Taking taylor expansion of x in x
0.077 * [taylor]: Taking taylor expansion of 1.0 in x
0.077 * [taylor]: Taking taylor expansion of x in x
0.078 * [taylor]: Taking taylor expansion of (* -1 (/ (+ (* 0.5 (/ 1 x)) 1.0) x)) in x
0.078 * [taylor]: Taking taylor expansion of -1 in x
0.078 * [taylor]: Taking taylor expansion of (/ (+ (* 0.5 (/ 1 x)) 1.0) x) in x
0.078 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 x)) 1.0) in x
0.078 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
0.078 * [taylor]: Taking taylor expansion of 0.5 in x
0.078 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.078 * [taylor]: Taking taylor expansion of x in x
0.078 * [taylor]: Taking taylor expansion of 1.0 in x
0.078 * [taylor]: Taking taylor expansion of x in x
0.100 * * * [progress]: simplifying candidates
0.100 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (* x 1.0)
  (* x (- (* x 0.5)))
  (* x 1.0)
  (* x (- (* x 0.5)))
  (* 1.0 x)
  (* (- (* x 0.5)) x)
  (* 1.0 x)
  (* (- (* x 0.5)) x)
  (* 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)))
0.103 * * [simplify]: iteration  0 :  59  enodes  (cost  39 )
0.105 * * [simplify]: iteration  1 :  156  enodes  (cost  39 )
0.109 * * [simplify]: iteration  2 :  587  enodes  (cost  36 )
0.124 * * [simplify]: iteration  3 :  2304  enodes  (cost  36 )
0.200 * * [simplify]: iteration  4 :  5002  enodes  (cost  36 )
0.201 * [simplify]: Simplified to:
   (* x 1.0)
  (* x (- (* x 0.5)))
  (* x 1.0)
  (* x (- (* x 0.5)))
  (* x 1.0)
  (* x (- (* x 0.5)))
  (* x 1.0)
  (* x (- (* 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)))
0.201 * * * [progress]: adding candidates to table
0.209 * * [progress]: iteration 2 / 4
0.209 * * * [progress]: picking best candidate
0.211 * * * * [pick]: Picked  #<alt (λ (x) (+ (* x 1.0) (* x (- (* x 0.5)))))>
0.211 * * * [progress]: localizing error
0.216 * * * [progress]: generating rewritten candidates
0.216 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.222 * * * [progress]: generating series expansions
0.222 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.222 * [approximate]: Taking taylor expansion of (- (* 1.0 x) (* 0.5 (pow x 2))) in (x) around 0
0.222 * [taylor]: Taking taylor expansion of (- (* 1.0 x) (* 0.5 (pow x 2))) in x
0.222 * [taylor]: Taking taylor expansion of (* 1.0 x) in x
0.222 * [taylor]: Taking taylor expansion of 1.0 in x
0.222 * [taylor]: Taking taylor expansion of x in x
0.222 * [taylor]: Taking taylor expansion of (* 0.5 (pow x 2)) in x
0.222 * [taylor]: Taking taylor expansion of 0.5 in x
0.222 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.222 * [taylor]: Taking taylor expansion of x in x
0.222 * [taylor]: Taking taylor expansion of (- (* 1.0 x) (* 0.5 (pow x 2))) in x
0.222 * [taylor]: Taking taylor expansion of (* 1.0 x) in x
0.223 * [taylor]: Taking taylor expansion of 1.0 in x
0.223 * [taylor]: Taking taylor expansion of x in x
0.223 * [taylor]: Taking taylor expansion of (* 0.5 (pow x 2)) in x
0.223 * [taylor]: Taking taylor expansion of 0.5 in x
0.223 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.223 * [taylor]: Taking taylor expansion of x in x
0.244 * [approximate]: Taking taylor expansion of (- (* 1.0 (/ 1 x)) (* 0.5 (/ 1 (pow x 2)))) in (x) around 0
0.244 * [taylor]: Taking taylor expansion of (- (* 1.0 (/ 1 x)) (* 0.5 (/ 1 (pow x 2)))) in x
0.244 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 x)) in x
0.244 * [taylor]: Taking taylor expansion of 1.0 in x
0.244 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.244 * [taylor]: Taking taylor expansion of x in x
0.244 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 (pow x 2))) in x
0.244 * [taylor]: Taking taylor expansion of 0.5 in x
0.244 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.244 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.244 * [taylor]: Taking taylor expansion of x in x
0.245 * [taylor]: Taking taylor expansion of (- (* 1.0 (/ 1 x)) (* 0.5 (/ 1 (pow x 2)))) in x
0.245 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 x)) in x
0.245 * [taylor]: Taking taylor expansion of 1.0 in x
0.245 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.245 * [taylor]: Taking taylor expansion of x in x
0.245 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 (pow x 2))) in x
0.245 * [taylor]: Taking taylor expansion of 0.5 in x
0.245 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.245 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.245 * [taylor]: Taking taylor expansion of x in x
0.271 * [approximate]: Taking taylor expansion of (- (+ (* 0.5 (/ 1 (pow x 2))) (* 1.0 (/ 1 x)))) in (x) around 0
0.271 * [taylor]: Taking taylor expansion of (- (+ (* 0.5 (/ 1 (pow x 2))) (* 1.0 (/ 1 x)))) in x
0.271 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 (pow x 2))) (* 1.0 (/ 1 x))) in x
0.271 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 (pow x 2))) in x
0.271 * [taylor]: Taking taylor expansion of 0.5 in x
0.271 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.271 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.271 * [taylor]: Taking taylor expansion of x in x
0.272 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 x)) in x
0.272 * [taylor]: Taking taylor expansion of 1.0 in x
0.272 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.272 * [taylor]: Taking taylor expansion of x in x
0.272 * [taylor]: Taking taylor expansion of (- (+ (* 0.5 (/ 1 (pow x 2))) (* 1.0 (/ 1 x)))) in x
0.272 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 (pow x 2))) (* 1.0 (/ 1 x))) in x
0.272 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 (pow x 2))) in x
0.272 * [taylor]: Taking taylor expansion of 0.5 in x
0.272 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.272 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.272 * [taylor]: Taking taylor expansion of x in x
0.273 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 x)) in x
0.273 * [taylor]: Taking taylor expansion of 1.0 in x
0.273 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.273 * [taylor]: Taking taylor expansion of x in x
0.297 * * * [progress]: simplifying candidates
0.298 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (+ (pow (* x 1.0) 3) (pow (* x (- (* x 0.5))) 3))
  (+ (* (* x 1.0) (* x 1.0)) (- (* (* x (- (* x 0.5))) (* x (- (* x 0.5)))) (* (* x 1.0) (* x (- (* x 0.5))))))
  (- (* (* x 1.0) (* x 1.0)) (* (* x (- (* x 0.5))) (* x (- (* x 0.5)))))
  (- (* x 1.0) (* x (- (* x 0.5))))
  (+ 1.0 (- (* x 0.5)))
  (+ 1.0 (* x (- 0.5)))
  (+ 1.0 (- (* 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)))
0.301 * * [simplify]: iteration  0 :  83  enodes  (cost  53 )
0.303 * * [simplify]: iteration  1 :  316  enodes  (cost  45 )
0.315 * * [simplify]: iteration  2 :  1830  enodes  (cost  42 )
0.377 * * [simplify]: iteration  3 :  5001  enodes  (cost  40 )
0.377 * [simplify]: Simplified to:
   (- (pow (* x 1.0) 3) (pow (* x (* x 0.5)) 3))
  (* x (+ (* 1.0 (* x 1.0)) (* (* x 0.5) (* x (+ 1.0 (* x 0.5))))))
  (* (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))
  (- 1.0 (* x 0.5))
  (* x (- 1.0 (* x 0.5)))
  (* x (- 1.0 (* x 0.5)))
  (* x (- 1.0 (* x 0.5)))
0.377 * * * [progress]: adding candidates to table
0.389 * [progress]: [Phase 3 of 3] Extracting.
0.389 * * [regime]: Finding splitpoints for: (#<alt (λ (x) (* x (- 1.0 (* x 0.5))))> #<alt (λ (x) (+ (* x 1.0) (* x (- (* x 0.5)))))>)
0.389 * * * [regime-changes]: Trying 2 branch expressions: ((* x (- 1.0 (* x 0.5))) x)
0.389 * * * * [regimes]: Trying to branch on (* x (- 1.0 (* x 0.5))) from (#<alt (λ (x) (* x (- 1.0 (* x 0.5))))> #<alt (λ (x) (+ (* x 1.0) (* x (- (* x 0.5)))))>)
0.398 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x) (* x (- 1.0 (* x 0.5))))> #<alt (λ (x) (+ (* x 1.0) (* x (- (* x 0.5)))))>)
0.408 * * * [regime]: Found split indices: #<option (#s(si 1 255))>
0.408 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (+ (* x 1.0) (* x (- (* x 0.5))))
0.409 * * [simplify]: iteration  0 :  18  enodes  (cost  5 )
0.409 * * [simplify]: iteration  1 :  23  enodes  (cost  5 )
0.409 * * [simplify]: iteration  2 :  24  enodes  (cost  5 )
0.410 * * [simplify]: iteration  3 :  24  enodes  (cost  5 )
0.410 * [simplify]: Simplified to:
   (+ (* x 1.0) (* x (- (* x 0.5))))
0.734 * [regime-testing]: Baseline error score: 0.010126265783222902
0.735 * [regime-testing]: Oracle error score: 0.0005000625078134767
0.736 * [regime-testing]: End program error score: 0.010126265783222902