13.517 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.010 * * * [progress]: [2/2] Setting up program.
0.011 * [progress]: [Phase 2 of 3] Improving.
0.012 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (* x (- x 1.0))
0.012 * * [simplify]: iteration  0 :  4  enodes  (cost  5 )
0.013 * * [simplify]: iteration  1 :  7  enodes  (cost  5 )
0.014 * * [simplify]: iteration  2 :  13  enodes  (cost  5 )
0.015 * * [simplify]: iteration  3 :  18  enodes  (cost  5 )
0.017 * * [simplify]: iteration  4 :  22  enodes  (cost  5 )
0.019 * * [simplify]: iteration  done :  22  enodes  (cost  5 )
0.019 * [simplify]: Simplified to:
   (* x (- x 1.0))
0.020 * * [progress]: iteration 1 / 4
0.020 * * * [progress]: picking best candidate
0.021 * * * * [pick]: Picked  #<alt (λ (x) (* x (- x 1.0)))>
0.021 * * * [progress]: localizing error
0.024 * * * [progress]: generating rewritten candidates
0.024 * * * * [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) x) in (x) around 0
0.034 * [taylor]: Taking taylor expansion of (* (- x 1.0) x) in x
0.034 * [taylor]: Taking taylor expansion of (- x 1.0) in x
0.034 * [taylor]: Taking taylor expansion of x in x
0.034 * [taylor]: Taking taylor expansion of 1.0 in x
0.034 * [taylor]: Taking taylor expansion of x in x
0.034 * [taylor]: Taking taylor expansion of (* (- x 1.0) x) in x
0.034 * [taylor]: Taking taylor expansion of (- x 1.0) in x
0.034 * [taylor]: Taking taylor expansion of x in x
0.034 * [taylor]: Taking taylor expansion of 1.0 in x
0.034 * [taylor]: Taking taylor expansion of x in x
0.047 * [approximate]: Taking taylor expansion of (/ (- (/ 1 x) 1.0) x) in (x) around 0
0.047 * [taylor]: Taking taylor expansion of (/ (- (/ 1 x) 1.0) x) in x
0.047 * [taylor]: Taking taylor expansion of (- (/ 1 x) 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
0.047 * [taylor]: Taking taylor expansion of 1.0 in x
0.047 * [taylor]: Taking taylor expansion of x in x
0.048 * [taylor]: Taking taylor expansion of (/ (- (/ 1 x) 1.0) 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
0.048 * [taylor]: Taking taylor expansion of x in x
0.064 * [approximate]: Taking taylor expansion of (/ (+ 1.0 (/ 1 x)) x) in (x) around 0
0.064 * [taylor]: Taking taylor expansion of (/ (+ 1.0 (/ 1 x)) x) in x
0.064 * [taylor]: Taking taylor expansion of (+ 1.0 (/ 1 x)) in x
0.064 * [taylor]: Taking taylor expansion of 1.0 in x
0.064 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.064 * [taylor]: Taking taylor expansion of x in x
0.065 * [taylor]: Taking taylor expansion of x in x
0.065 * [taylor]: Taking taylor expansion of (/ (+ 1.0 (/ 1 x)) x) in x
0.065 * [taylor]: Taking taylor expansion of (+ 1.0 (/ 1 x)) in x
0.065 * [taylor]: Taking taylor expansion of 1.0 in x
0.065 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.065 * [taylor]: Taking taylor expansion of x in x
0.066 * [taylor]: Taking taylor expansion of x in x
0.076 * * * [progress]: simplifying candidates
0.076 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (* x (- x 1.0))
  (+ (log x) (log (- x 1.0)))
  (log (* x (- x 1.0)))
  (exp (* x (- x 1.0)))
  (* (* (* x x) x) (* (* (- x 1.0) (- x 1.0)) (- x 1.0)))
  (* (cbrt (* x (- x 1.0))) (cbrt (* x (- x 1.0))))
  (cbrt (* x (- x 1.0)))
  (* (* (* x (- x 1.0)) (* x (- x 1.0))) (* x (- x 1.0)))
  (sqrt (* x (- x 1.0)))
  (sqrt (* x (- x 1.0)))
  (* (sqrt x) (sqrt (- x 1.0)))
  (* (sqrt x) (sqrt (- x 1.0)))
  (* x x)
  (* x (- 1.0))
  (* x x)
  (* x (- 1.0))
  (* x x)
  (* (- 1.0) x)
  (* x x)
  (* (- 1.0) x)
  (* x (* (cbrt (- x 1.0)) (cbrt (- x 1.0))))
  (* x (sqrt (- x 1.0)))
  (* x 1)
  (* x (+ (sqrt x) (sqrt 1.0)))
  (* x 1)
  (* (cbrt x) (- x 1.0))
  (* (sqrt x) (- x 1.0))
  (* x (- x 1.0))
  (* x (- (pow x 3) (pow 1.0 3)))
  (* x (- (* x x) (* 1.0 1.0)))
  (- (pow x 2) (* 1.0 x))
  (- (pow x 2) (* 1.0 x))
  (- (pow x 2) (* 1.0 x))
0.078 * * [simplify]: iteration  0 :  49  enodes  (cost  217 )
0.085 * * [simplify]: iteration  1 :  114  enodes  (cost  210 )
0.109 * * [simplify]: iteration  2 :  432  enodes  (cost  186 )
0.263 * * [simplify]: iteration  3 :  1840  enodes  (cost  186 )
1.248 * * [simplify]: iteration  done :  5000  enodes  (cost  186 )
1.248 * [simplify]: Simplified to:
   (* (- x 1.0) x)
  (log (* x (- x 1.0)))
  (log (* x (- x 1.0)))
  (exp (* x (- x 1.0)))
  (pow (* x (- x 1.0)) 3)
  (* (cbrt (* x (- x 1.0))) (cbrt (* x (- x 1.0))))
  (cbrt (* x (- x 1.0)))
  (pow (* x (- x 1.0)) 3)
  (sqrt (* x (- x 1.0)))
  (sqrt (* x (- x 1.0)))
  (* (sqrt x) (sqrt (- x 1.0)))
  (* (sqrt x) (sqrt (- x 1.0)))
  (* x x)
  (* x (- 1.0))
  (* x x)
  (* x (- 1.0))
  (* x x)
  (* x (- 1.0))
  (* x x)
  (* x (- 1.0))
  (* x (* (cbrt (- x 1.0)) (cbrt (- x 1.0))))
  (* x (sqrt (- x 1.0)))
  x
  (* x (+ (sqrt x) (sqrt 1.0)))
  x
  (* (cbrt x) (- x 1.0))
  (* (sqrt x) (- x 1.0))
  (* (- x 1.0) x)
  (* x (- (pow x 3) (pow 1.0 3)))
  (* x (- (* x x) (* 1.0 1.0)))
  (* (- x 1.0) x)
  (* (- x 1.0) x)
  (* (- x 1.0) x)
1.248 * * * [progress]: adding candidates to table
1.287 * * [progress]: iteration 2 / 4
1.287 * * * [progress]: picking best candidate
1.288 * * * * [pick]: Picked  #<alt (λ (x) (+ (* x x) (* x (- 1.0))))>
1.288 * * * [progress]: localizing error
1.292 * * * [progress]: generating rewritten candidates
1.293 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
1.296 * * * [progress]: generating series expansions
1.296 * * * * [progress]: [ 1 / 1 ] generating series at (2)
1.296 * [approximate]: Taking taylor expansion of (- (pow x 2) (* 1.0 x)) in (x) around 0
1.296 * [taylor]: Taking taylor expansion of (- (pow x 2) (* 1.0 x)) in x
1.296 * [taylor]: Taking taylor expansion of (pow x 2) in x
1.296 * [taylor]: Taking taylor expansion of x in x
1.296 * [taylor]: Taking taylor expansion of (* 1.0 x) in x
1.296 * [taylor]: Taking taylor expansion of 1.0 in x
1.296 * [taylor]: Taking taylor expansion of x in x
1.296 * [taylor]: Taking taylor expansion of (- (pow x 2) (* 1.0 x)) in x
1.296 * [taylor]: Taking taylor expansion of (pow x 2) in x
1.296 * [taylor]: Taking taylor expansion of x in x
1.296 * [taylor]: Taking taylor expansion of (* 1.0 x) in x
1.296 * [taylor]: Taking taylor expansion of 1.0 in x
1.297 * [taylor]: Taking taylor expansion of x in x
1.312 * [approximate]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 1.0 (/ 1 x))) in (x) around 0
1.312 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 1.0 (/ 1 x))) in x
1.312 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
1.312 * [taylor]: Taking taylor expansion of (pow x 2) in x
1.312 * [taylor]: Taking taylor expansion of x in x
1.313 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 x)) in x
1.313 * [taylor]: Taking taylor expansion of 1.0 in x
1.313 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.313 * [taylor]: Taking taylor expansion of x in x
1.313 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 1.0 (/ 1 x))) in x
1.313 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
1.313 * [taylor]: Taking taylor expansion of (pow x 2) in x
1.313 * [taylor]: Taking taylor expansion of x in x
1.313 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 x)) in x
1.313 * [taylor]: Taking taylor expansion of 1.0 in x
1.313 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.313 * [taylor]: Taking taylor expansion of x in x
1.333 * [approximate]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 1.0 (/ 1 x))) in (x) around 0
1.333 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 1.0 (/ 1 x))) in x
1.333 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
1.333 * [taylor]: Taking taylor expansion of (pow x 2) in x
1.333 * [taylor]: Taking taylor expansion of x in x
1.334 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 x)) in x
1.334 * [taylor]: Taking taylor expansion of 1.0 in x
1.334 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.334 * [taylor]: Taking taylor expansion of x in x
1.334 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 1.0 (/ 1 x))) in x
1.334 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
1.334 * [taylor]: Taking taylor expansion of (pow x 2) in x
1.334 * [taylor]: Taking taylor expansion of x in x
1.335 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 x)) in x
1.335 * [taylor]: Taking taylor expansion of 1.0 in x
1.335 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.335 * [taylor]: Taking taylor expansion of x in x
1.355 * * * [progress]: simplifying candidates
1.355 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (* (exp (* x x)) (exp (* x (- 1.0))))
  (log (+ (* x x) (* x (- 1.0))))
  (exp (+ (* x x) (* x (- 1.0))))
  (* (cbrt (+ (* x x) (* x (- 1.0)))) (cbrt (+ (* x x) (* x (- 1.0)))))
  (cbrt (+ (* x x) (* x (- 1.0))))
  (* (* (+ (* x x) (* x (- 1.0))) (+ (* x x) (* x (- 1.0)))) (+ (* x x) (* x (- 1.0))))
  (sqrt (+ (* x x) (* x (- 1.0))))
  (sqrt (+ (* x x) (* x (- 1.0))))
  (+ (pow (* x x) 3) (pow (* x (- 1.0)) 3))
  (+ (* (* x x) (* x x)) (- (* (* x (- 1.0)) (* x (- 1.0))) (* (* x x) (* x (- 1.0)))))
  (- (* (* x x) (* x x)) (* (* x (- 1.0)) (* x (- 1.0))))
  (- (* x x) (* x (- 1.0)))
  (+ x (- 1.0))
  (- (pow x 2) (* 1.0 x))
  (- (pow x 2) (* 1.0 x))
  (- (pow x 2) (* 1.0 x))
1.356 * * [simplify]: iteration  0 :  32  enodes  (cost  188 )
1.362 * * [simplify]: iteration  1 :  104  enodes  (cost  135 )
1.386 * * [simplify]: iteration  2 :  461  enodes  (cost  116 )
1.552 * * [simplify]: iteration  3 :  1826  enodes  (cost  112 )
2.433 * * [simplify]: iteration  done :  5000  enodes  (cost  112 )
2.433 * [simplify]: Simplified to:
   (exp (* x (- x 1.0)))
  (log (* x (- x 1.0)))
  (exp (* x (- x 1.0)))
  (* (cbrt (* x (- x 1.0))) (cbrt (* x (- x 1.0))))
  (cbrt (* x (- x 1.0)))
  (pow (* x (- x 1.0)) 3)
  (sqrt (* x (- x 1.0)))
  (sqrt (* x (- x 1.0)))
  (- (pow x 6) (pow (* 1.0 x) 3))
  (+ (* (* 1.0 x) (* (+ 1.0 x) x)) (pow x 4))
  (- (pow x 4) (* (* 1.0 1.0) (* x x)))
  (* (+ 1.0 x) x)
  (- x 1.0)
  (* x (- x 1.0))
  (* x (- x 1.0))
  (* x (- x 1.0))
2.433 * * * [progress]: adding candidates to table
2.455 * [progress]: [Phase 3 of 3] Extracting.
2.455 * * [regime]: Finding splitpoints for: (#<alt (λ (x) (* x (- x 1.0)))> #<alt (λ (x) (+ (* x x) (* x (- 1.0))))>)
2.455 * * * [regime-changes]: Trying 2 branch expressions: ((* x (- x 1.0)) x)
2.455 * * * * [regimes]: Trying to branch on (* x (- x 1.0)) from (#<alt (λ (x) (* x (- x 1.0)))> #<alt (λ (x) (+ (* x x) (* x (- 1.0))))>)
2.464 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x) (* x (- x 1.0)))> #<alt (λ (x) (+ (* x x) (* x (- 1.0))))>)
2.476 * * * [regime]: Found split indices: #<option (#s(si 1 255))>
2.476 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (+ (* x x) (* x (- 1.0)))
2.476 * * [simplify]: iteration  0 :  6  enodes  (cost  8 )
2.476 * * [simplify]: iteration  1 :  10  enodes  (cost  8 )
2.477 * * [simplify]: iteration  2 :  13  enodes  (cost  8 )
2.477 * * [simplify]: iteration  3 :  14  enodes  (cost  8 )
2.478 * * [simplify]: iteration  done :  14  enodes  (cost  8 )
2.478 * [simplify]: Simplified to:
   (+ (* x x) (* x (- 1.0)))
2.775 * [regime-testing]: Baseline error score: 0.011831961018849197
2.776 * [regime-testing]: Oracle error score: 0.00037504688086010754
2.777 * [regime-testing]: End program error score: 0.011831961018849197
2.791 * [regime-testing]: Target error score: 0.011831961018849197