24.841 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.009 * * * [progress]: [2/2] Setting up program.
0.010 * [progress]: [Phase 2 of 3] Improving.
0.010 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (/ (+ x 1.0) (- 1.0 x))
0.012 * * [simplify]: iteration  0 :  8  enodes  (cost  3 )
0.013 * * [simplify]: iteration  1 :  9  enodes  (cost  3 )
0.014 * * [simplify]: iteration  2 :  9  enodes  (cost  3 )
0.015 * [simplify]: Simplified to:
   (/ (+ x 1.0) (- 1.0 x))
0.015 * * [progress]: iteration 1 / 4
0.015 * * * [progress]: picking best candidate
0.016 * * * * [pick]: Picked  #<alt (λ (x) (/ (+ x 1.0) (- 1.0 x)))>
0.016 * * * [progress]: localizing error
0.020 * * * [progress]: generating rewritten candidates
0.020 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.024 * * * [progress]: generating series expansions
0.024 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.024 * [approximate]: Taking taylor expansion of (/ (+ x 1.0) (- 1.0 x)) in (x) around 0
0.024 * [taylor]: Taking taylor expansion of (/ (+ x 1.0) (- 1.0 x)) in x
0.024 * [taylor]: Taking taylor expansion of (+ x 1.0) in x
0.024 * [taylor]: Taking taylor expansion of x in x
0.024 * [taylor]: Taking taylor expansion of 1.0 in x
0.024 * [taylor]: Taking taylor expansion of (- 1.0 x) in x
0.024 * [taylor]: Taking taylor expansion of 1.0 in x
0.024 * [taylor]: Taking taylor expansion of x in x
0.025 * [taylor]: Taking taylor expansion of (/ (+ x 1.0) (- 1.0 x)) in x
0.025 * [taylor]: Taking taylor expansion of (+ x 1.0) in x
0.025 * [taylor]: Taking taylor expansion of x in x
0.025 * [taylor]: Taking taylor expansion of 1.0 in x
0.025 * [taylor]: Taking taylor expansion of (- 1.0 x) in x
0.025 * [taylor]: Taking taylor expansion of 1.0 in x
0.025 * [taylor]: Taking taylor expansion of x in x
0.032 * [approximate]: Taking taylor expansion of (/ (+ 1.0 (/ 1 x)) (- 1.0 (/ 1 x))) in (x) around 0
0.032 * [taylor]: Taking taylor expansion of (/ (+ 1.0 (/ 1 x)) (- 1.0 (/ 1 x))) in x
0.032 * [taylor]: Taking taylor expansion of (+ 1.0 (/ 1 x)) in x
0.032 * [taylor]: Taking taylor expansion of 1.0 in x
0.032 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.032 * [taylor]: Taking taylor expansion of x in x
0.033 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 x)) in x
0.033 * [taylor]: Taking taylor expansion of 1.0 in x
0.033 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.033 * [taylor]: Taking taylor expansion of x in x
0.034 * [taylor]: Taking taylor expansion of (/ (+ 1.0 (/ 1 x)) (- 1.0 (/ 1 x))) in x
0.034 * [taylor]: Taking taylor expansion of (+ 1.0 (/ 1 x)) in x
0.034 * [taylor]: Taking taylor expansion of 1.0 in x
0.034 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.034 * [taylor]: Taking taylor expansion of x in x
0.034 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 x)) in x
0.034 * [taylor]: Taking taylor expansion of 1.0 in x
0.034 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.034 * [taylor]: Taking taylor expansion of x in x
0.047 * [approximate]: Taking taylor expansion of (/ (- 1.0 (/ 1 x)) (+ (/ 1 x) 1.0)) in (x) around 0
0.047 * [taylor]: Taking taylor expansion of (/ (- 1.0 (/ 1 x)) (+ (/ 1 x) 1.0)) in x
0.047 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 x)) in x
0.047 * [taylor]: Taking taylor expansion of 1.0 in x
0.047 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.047 * [taylor]: Taking taylor expansion of x in x
0.048 * [taylor]: Taking taylor expansion of (+ (/ 1 x) 1.0) in x
0.048 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.048 * [taylor]: Taking taylor expansion of x in x
0.048 * [taylor]: Taking taylor expansion of 1.0 in x
0.049 * [taylor]: Taking taylor expansion of (/ (- 1.0 (/ 1 x)) (+ (/ 1 x) 1.0)) in x
0.049 * [taylor]: Taking taylor expansion of (- 1.0 (/ 1 x)) in x
0.049 * [taylor]: Taking taylor expansion of 1.0 in x
0.049 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.049 * [taylor]: Taking taylor expansion of x in x
0.049 * [taylor]: Taking taylor expansion of (+ (/ 1 x) 1.0) in x
0.049 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.049 * [taylor]: Taking taylor expansion of x in x
0.050 * [taylor]: Taking taylor expansion of 1.0 in x
0.059 * * * [progress]: simplifying candidates
0.059 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (- (+ x 1.0))
  (- (- 1.0 x))
  (/ 1 (- 1.0 x))
  (/ (- 1.0 x) (+ x 1.0))
  (/ (+ x 1.0) (- (pow 1.0 3) (pow x 3)))
  (/ (+ x 1.0) (- (* 1.0 1.0) (* x x)))
  (* (- 1.0 x) (+ (* x x) (- (* 1.0 1.0) (* x 1.0))))
  (* (- 1.0 x) (- x 1.0))
  (+ (* 2.0 (pow x 2)) (+ (* 2.0 x) 1.0))
  (- (+ (* 2.0 (/ 1 (pow x 2))) (+ (* 2.0 (/ 1 x)) 1)))
  (- (+ (* 2.0 (/ 1 (pow x 2))) (+ (* 2.0 (/ 1 x)) 1)))
0.062 * * [simplify]: iteration  0 :  97  enodes  (cost  49 )
0.064 * * [simplify]: iteration  1 :  292  enodes  (cost  46 )
0.070 * * [simplify]: iteration  2 :  957  enodes  (cost  40 )
0.094 * * [simplify]: iteration  3 :  4318  enodes  (cost  40 )
0.281 * * [simplify]: iteration  4 :  5001  enodes  (cost  40 )
0.281 * [simplify]: Simplified to:
   (- (+ x 1.0))
  (- x 1.0)
  (/ 1 (- 1.0 x))
  (/ (- 1.0 x) (+ x 1.0))
  (/ (+ x 1.0) (- (pow 1.0 3) (pow x 3)))
  (/ 1 (- 1.0 x))
  (* (+ (* 1.0 (- 1.0 x)) (pow x 2)) (- 1.0 x))
  (* (- 1.0 x) (- x 1.0))
  (+ 1.0 (* 2.0 (+ (pow x 2) x)))
  (- (- (/ (- 2.0) (pow x 2)) 1) (/ 2.0 x))
  (- (- (/ (- 2.0) (pow x 2)) 1) (/ 2.0 x))
0.281 * * * [progress]: adding candidates to table
0.300 * * [progress]: iteration 2 / 4
0.300 * * * [progress]: picking best candidate
0.301 * * * * [pick]: Picked  #<alt (λ (x) (+ 1.0 (* 2.0 (+ (pow x 2) x))))>
0.301 * * * [progress]: localizing error
0.307 * * * [progress]: generating rewritten candidates
0.307 * * * * [progress]: [ 1 / 1 ] rewriting at (2 2 2)
0.311 * * * [progress]: generating series expansions
0.311 * * * * [progress]: [ 1 / 1 ] generating series at (2 2 2)
0.311 * [approximate]: Taking taylor expansion of (+ (pow x 2) x) in (x) around 0
0.311 * [taylor]: Taking taylor expansion of (+ (pow x 2) x) in x
0.311 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.311 * [taylor]: Taking taylor expansion of x in x
0.311 * [taylor]: Taking taylor expansion of x in x
0.311 * [taylor]: Taking taylor expansion of (+ (pow x 2) x) in x
0.311 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.311 * [taylor]: Taking taylor expansion of x in x
0.311 * [taylor]: Taking taylor expansion of x in x
0.317 * [approximate]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 x)) in (x) around 0
0.318 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 x)) in x
0.318 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.318 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.318 * [taylor]: Taking taylor expansion of x in x
0.318 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.318 * [taylor]: Taking taylor expansion of x in x
0.319 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 x)) in x
0.319 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.319 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.319 * [taylor]: Taking taylor expansion of x in x
0.319 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.319 * [taylor]: Taking taylor expansion of x in x
0.336 * [approximate]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 x)) in (x) around 0
0.336 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 x)) in x
0.336 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.336 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.336 * [taylor]: Taking taylor expansion of x in x
0.337 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.337 * [taylor]: Taking taylor expansion of x in x
0.337 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 x)) in x
0.337 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.337 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.337 * [taylor]: Taking taylor expansion of x in x
0.338 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.338 * [taylor]: Taking taylor expansion of x in x
0.352 * * * [progress]: simplifying candidates
0.353 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (+ (pow (pow x 2) 3) (pow x 3))
  (+ (* (pow x 2) (pow x 2)) (- (* x x) (* (pow x 2) x)))
  (- (* (pow x 2) (pow x 2)) (* x x))
  (- (pow x 2) x)
  (+ x 1)
  (+ (pow x 2) x)
  (+ (pow x 2) x)
  (+ (pow x 2) x)
0.355 * * [simplify]: iteration  0 :  48  enodes  (cost  22 )
0.357 * * [simplify]: iteration  1 :  148  enodes  (cost  21 )
0.360 * * [simplify]: iteration  2 :  453  enodes  (cost  21 )
0.373 * * [simplify]: iteration  3 :  1839  enodes  (cost  21 )
0.436 * * [simplify]: iteration  4 :  5002  enodes  (cost  21 )
0.436 * [simplify]: Simplified to:
   (+ (pow (pow x 2) 3) (pow x 3))
  (- (+ (pow x 4) (pow x 2)) (pow x 3))
  (- (pow x 4) (pow x 2))
  (- (pow x 2) x)
  (+ x 1)
  (+ (pow x 2) x)
  (+ (pow x 2) x)
  (+ (pow x 2) x)
0.436 * * * [progress]: adding candidates to table
0.446 * [progress]: [Phase 3 of 3] Extracting.
0.446 * * [regime]: Finding splitpoints for: (#<alt (λ (x) (+ 1.0 (* 2.0 (+ (pow x 2) x))))> #<alt (λ (x) (/ (+ x 1.0) (- 1.0 x)))>)
0.446 * * * [regime-changes]: Trying 2 branch expressions: ((/ (+ x 1.0) (- 1.0 x)) x)
0.446 * * * * [regimes]: Trying to branch on (/ (+ x 1.0) (- 1.0 x)) from (#<alt (λ (x) (+ 1.0 (* 2.0 (+ (pow x 2) x))))> #<alt (λ (x) (/ (+ x 1.0) (- 1.0 x)))>)
0.454 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x) (+ 1.0 (* 2.0 (+ (pow x 2) x))))> #<alt (λ (x) (/ (+ x 1.0) (- 1.0 x)))>)
0.466 * * * [regime]: Found split indices: #<option (#s(si 1 255))>
0.466 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (/ (+ x 1.0) (- 1.0 x))
0.467 * * [simplify]: iteration  0 :  6  enodes  (cost  3 )
0.467 * * [simplify]: iteration  1 :  6  enodes  (cost  3 )
0.467 * [simplify]: Simplified to:
   (/ (+ x 1.0) (- 1.0 x))
0.740 * [regime-testing]: Baseline error score: 0.0116995827604352
0.741 * [regime-testing]: Oracle error score: 0.003698582635419572
0.742 * [regime-testing]: End program error score: 0.0116995827604352