20.627 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.009 * * * [progress]: [2/2] Setting up program.
0.011 * [progress]: [Phase 2 of 3] Improving.
0.011 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (* x (- x 1.0))
0.012 * * [simplify]: iteration  0 :  4  enodes  (cost  5 )
0.012 * * [simplify]: iteration  1 :  7  enodes  (cost  5 )
0.013 * * [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))
0.019 * * [progress]: iteration 1 / 4
0.019 * * * [progress]: picking best candidate
0.020 * * * * [pick]: Picked  #<alt (λ (x) (* x (- x 1.0)))>
0.020 * * * [progress]: localizing error
0.023 * * * [progress]: generating rewritten candidates
0.023 * * * * [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
0.061 * [approximate]: Taking taylor expansion of (/ (+ 1.0 (/ 1 x)) x) in (x) around 0
0.061 * [taylor]: Taking taylor expansion of (/ (+ 1.0 (/ 1 x)) x) in x
0.061 * [taylor]: Taking taylor expansion of (+ 1.0 (/ 1 x)) in x
0.061 * [taylor]: Taking taylor expansion of 1.0 in x
0.062 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.062 * [taylor]: Taking taylor expansion of x in x
0.062 * [taylor]: Taking taylor expansion of x in x
0.062 * [taylor]: Taking taylor expansion of (/ (+ 1.0 (/ 1 x)) x) in x
0.063 * [taylor]: Taking taylor expansion of (+ 1.0 (/ 1 x)) in x
0.063 * [taylor]: Taking taylor expansion of 1.0 in x
0.063 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.063 * [taylor]: Taking taylor expansion of x in x
0.063 * [taylor]: Taking taylor expansion of x in x
0.077 * * * [progress]: simplifying candidates
0.078 * [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))
0.079 * * [simplify]: iteration  0 :  49  enodes  (cost  217 )
0.090 * * [simplify]: iteration  1 :  109  enodes  (cost  210 )
0.109 * * [simplify]: iteration  2 :  269  enodes  (cost  186 )
0.194 * * [simplify]: iteration  3 :  778  enodes  (cost  186 )
0.982 * * [simplify]: iteration  4 :  2962  enodes  (cost  186 )
3.189 * * [simplify]: iteration  done :  5000  enodes  (cost  186 )
3.190 * [simplify]: Simplified to:
   (* x (- x 1.0))
  (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)))
  (pow x 2)
  (* (- 1.0) x)
  (pow x 2)
  (* (- 1.0) x)
  (pow x 2)
  (* (- 1.0) x)
  (pow x 2)
  (* (- 1.0) x)
  (* 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 (- x 1.0))
  (* x (- (pow x 3) (pow 1.0 3)))
  (* x (- (* x x) (* 1.0 1.0)))
  (* x (- x 1.0))
  (* x (- x 1.0))
  (* x (- x 1.0))
3.190 * * * [progress]: adding candidates to table
3.221 * * [progress]: iteration 2 / 4
3.221 * * * [progress]: picking best candidate
3.223 * * * * [pick]: Picked  #<alt (λ (x) (+ (pow x 2) (* (- 1.0) x)))>
3.223 * * * [progress]: localizing error
3.229 * * * [progress]: generating rewritten candidates
3.229 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
3.235 * * * [progress]: generating series expansions
3.235 * * * * [progress]: [ 1 / 1 ] generating series at (2)
3.236 * [approximate]: Taking taylor expansion of (- (pow x 2) (* 1.0 x)) in (x) around 0
3.236 * [taylor]: Taking taylor expansion of (- (pow x 2) (* 1.0 x)) in x
3.236 * [taylor]: Taking taylor expansion of (pow x 2) in x
3.236 * [taylor]: Taking taylor expansion of x in x
3.236 * [taylor]: Taking taylor expansion of (* 1.0 x) in x
3.236 * [taylor]: Taking taylor expansion of 1.0 in x
3.236 * [taylor]: Taking taylor expansion of x in x
3.236 * [taylor]: Taking taylor expansion of (- (pow x 2) (* 1.0 x)) in x
3.236 * [taylor]: Taking taylor expansion of (pow x 2) in x
3.236 * [taylor]: Taking taylor expansion of x in x
3.236 * [taylor]: Taking taylor expansion of (* 1.0 x) in x
3.236 * [taylor]: Taking taylor expansion of 1.0 in x
3.236 * [taylor]: Taking taylor expansion of x in x
3.255 * [approximate]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 1.0 (/ 1 x))) in (x) around 0
3.255 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 1.0 (/ 1 x))) in x
3.255 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
3.255 * [taylor]: Taking taylor expansion of (pow x 2) in x
3.255 * [taylor]: Taking taylor expansion of x in x
3.255 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 x)) in x
3.255 * [taylor]: Taking taylor expansion of 1.0 in x
3.255 * [taylor]: Taking taylor expansion of (/ 1 x) in x
3.255 * [taylor]: Taking taylor expansion of x in x
3.256 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 1.0 (/ 1 x))) in x
3.256 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
3.256 * [taylor]: Taking taylor expansion of (pow x 2) in x
3.256 * [taylor]: Taking taylor expansion of x in x
3.256 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 x)) in x
3.256 * [taylor]: Taking taylor expansion of 1.0 in x
3.256 * [taylor]: Taking taylor expansion of (/ 1 x) in x
3.256 * [taylor]: Taking taylor expansion of x in x
3.275 * [approximate]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 1.0 (/ 1 x))) in (x) around 0
3.276 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 1.0 (/ 1 x))) in x
3.276 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
3.276 * [taylor]: Taking taylor expansion of (pow x 2) in x
3.276 * [taylor]: Taking taylor expansion of x in x
3.276 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 x)) in x
3.276 * [taylor]: Taking taylor expansion of 1.0 in x
3.276 * [taylor]: Taking taylor expansion of (/ 1 x) in x
3.276 * [taylor]: Taking taylor expansion of x in x
3.276 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 1.0 (/ 1 x))) in x
3.276 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
3.276 * [taylor]: Taking taylor expansion of (pow x 2) in x
3.276 * [taylor]: Taking taylor expansion of x in x
3.277 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 x)) in x
3.277 * [taylor]: Taking taylor expansion of 1.0 in x
3.277 * [taylor]: Taking taylor expansion of (/ 1 x) in x
3.277 * [taylor]: Taking taylor expansion of x in x
3.293 * * * [progress]: simplifying candidates
3.294 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (* (exp (pow x 2)) (exp (* (- 1.0) x)))
  (log (+ (pow x 2) (* (- 1.0) x)))
  (exp (+ (pow x 2) (* (- 1.0) x)))
  (* (cbrt (+ (pow x 2) (* (- 1.0) x))) (cbrt (+ (pow x 2) (* (- 1.0) x))))
  (cbrt (+ (pow x 2) (* (- 1.0) x)))
  (* (* (+ (pow x 2) (* (- 1.0) x)) (+ (pow x 2) (* (- 1.0) x))) (+ (pow x 2) (* (- 1.0) x)))
  (sqrt (+ (pow x 2) (* (- 1.0) x)))
  (sqrt (+ (pow x 2) (* (- 1.0) x)))
  (+ (pow (pow x 2) 3) (pow (* (- 1.0) x) 3))
  (+ (* (pow x 2) (pow x 2)) (- (* (* (- 1.0) x) (* (- 1.0) x)) (* (pow x 2) (* (- 1.0) x))))
  (- (* (pow x 2) (pow x 2)) (* (* (- 1.0) x) (* (- 1.0) x)))
  (- (pow x 2) (* (- 1.0) x))
  (+ x (- 1.0))
  (- (pow x 2) (* 1.0 x))
  (- (pow x 2) (* 1.0 x))
  (- (pow x 2) (* 1.0 x))
3.295 * * [simplify]: iteration  0 :  31  enodes  (cost  188 )
3.301 * * [simplify]: iteration  1 :  98  enodes  (cost  162 )
3.359 * * [simplify]: iteration  2 :  355  enodes  (cost  118 )
3.544 * * [simplify]: iteration  3 :  1167  enodes  (cost  112 )
4.887 * * [simplify]: iteration  4 :  3708  enodes  (cost  112 )
6.639 * * [simplify]: iteration  done :  5000  enodes  (cost  112 )
6.639 * [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))
  (+ (pow x 4) (* (* 1.0 x) (* x (+ x 1.0))))
  (- (pow x 4) (* (* 1.0 x) (* 1.0 x)))
  (* x (+ 1.0 x))
  (- x 1.0)
  (* x (- x 1.0))
  (* x (- x 1.0))
  (* x (- x 1.0))
6.639 * * * [progress]: adding candidates to table
6.666 * [progress]: [Phase 3 of 3] Extracting.
6.666 * * [regime]: Finding splitpoints for: (#<alt (λ (x) (+ (pow x 2) (* (- 1.0) x)))> #<alt (λ (x) (* x (- x 1.0)))>)
6.666 * * * [regime-changes]: Trying 2 branch expressions: ((* x (- x 1.0)) x)
6.666 * * * * [regimes]: Trying to branch on (* x (- x 1.0)) from (#<alt (λ (x) (+ (pow x 2) (* (- 1.0) x)))> #<alt (λ (x) (* x (- x 1.0)))>)
6.675 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x) (+ (pow x 2) (* (- 1.0) x)))> #<alt (λ (x) (* x (- x 1.0)))>)
6.684 * * * [regime]: Found split indices: #<option (#s(si 0 255))>
6.685 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (+ (pow x 2) (* (- 1.0) x))
6.685 * * [simplify]: iteration  0 :  7  enodes  (cost  8 )
6.685 * * [simplify]: iteration  1 :  11  enodes  (cost  8 )
6.686 * * [simplify]: iteration  2 :  14  enodes  (cost  8 )
6.686 * * [simplify]: iteration  3 :  15  enodes  (cost  8 )
6.687 * * [simplify]: iteration  done :  15  enodes  (cost  8 )
6.687 * [simplify]: Simplified to:
   (+ (pow x 2) (* (- 1.0) x))
7.005 * [regime-testing]: Baseline error score: 0.009501187648456057
7.006 * [regime-testing]: Oracle error score: 0.0007500937617202151
7.007 * [regime-testing]: End program error score: 0.009501187648456057
7.021 * [regime-testing]: Target error score: 0.009501187648456057