19.525 * [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.
0.011 * [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 )
0.013 * * [simplify]: iteration  2 :  13  enodes  (cost  5 )
0.015 * * [simplify]: iteration  3 :  19  enodes  (cost  5 )
0.017 * * [simplify]: iteration  4 :  25  enodes  (cost  5 )
0.020 * * [simplify]: iteration  5 :  27  enodes  (cost  5 )
0.022 * * [simplify]: iteration  done :  27  enodes  (cost  5 )
0.023 * [simplify]: Simplified to:
   (* x (- x 1.0))
0.023 * * [progress]: iteration 1 / 4
0.023 * * * [progress]: picking best candidate
0.024 * * * * [pick]: Picked  #<alt (λ (x) (* x (- x 1.0)))>
0.024 * * * [progress]: localizing error
0.029 * * * [progress]: generating rewritten candidates
0.030 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.044 * * * [progress]: generating series expansions
0.044 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.044 * [approximate]: Taking taylor expansion of (* (- x 1.0) x) in (x) around 0
0.044 * [taylor]: Taking taylor expansion of (* (- x 1.0) x) in x
0.044 * [taylor]: Taking taylor expansion of (- x 1.0) in x
0.044 * [taylor]: Taking taylor expansion of x in x
0.044 * [taylor]: Taking taylor expansion of 1.0 in x
0.044 * [taylor]: Taking taylor expansion of x in x
0.044 * [taylor]: Taking taylor expansion of (* (- x 1.0) x) in x
0.044 * [taylor]: Taking taylor expansion of (- x 1.0) in x
0.044 * [taylor]: Taking taylor expansion of x in x
0.044 * [taylor]: Taking taylor expansion of 1.0 in x
0.044 * [taylor]: Taking taylor expansion of x in x
0.057 * [approximate]: Taking taylor expansion of (/ (- (/ 1 x) 1.0) x) in (x) around 0
0.057 * [taylor]: Taking taylor expansion of (/ (- (/ 1 x) 1.0) x) in x
0.057 * [taylor]: Taking taylor expansion of (- (/ 1 x) 1.0) in x
0.057 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.057 * [taylor]: Taking taylor expansion of x in x
0.057 * [taylor]: Taking taylor expansion of 1.0 in x
0.057 * [taylor]: Taking taylor expansion of x in x
0.058 * [taylor]: Taking taylor expansion of (/ (- (/ 1 x) 1.0) x) in x
0.058 * [taylor]: Taking taylor expansion of (- (/ 1 x) 1.0) in x
0.058 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.058 * [taylor]: Taking taylor expansion of x in x
0.058 * [taylor]: Taking taylor expansion of 1.0 in x
0.058 * [taylor]: Taking taylor expansion of x in x
0.072 * [approximate]: Taking taylor expansion of (/ (+ 1.0 (/ 1 x)) x) in (x) around 0
0.072 * [taylor]: Taking taylor expansion of (/ (+ 1.0 (/ 1 x)) x) in x
0.072 * [taylor]: Taking taylor expansion of (+ 1.0 (/ 1 x)) in x
0.072 * [taylor]: Taking taylor expansion of 1.0 in x
0.072 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.072 * [taylor]: Taking taylor expansion of x in x
0.072 * [taylor]: Taking taylor expansion of x in x
0.073 * [taylor]: Taking taylor expansion of (/ (+ 1.0 (/ 1 x)) x) in x
0.073 * [taylor]: Taking taylor expansion of (+ 1.0 (/ 1 x)) in x
0.073 * [taylor]: Taking taylor expansion of 1.0 in x
0.073 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.073 * [taylor]: Taking taylor expansion of x in x
0.073 * [taylor]: Taking taylor expansion of x in x
0.083 * * * [progress]: simplifying candidates
0.084 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (expm1 (* x (- x 1.0)))
  (log1p (* x (- x 1.0)))
  (* 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 (fma (* (cbrt x) (cbrt x)) (cbrt x) (- (* (cbrt 1.0) (* (cbrt 1.0) (cbrt 1.0))))))
  (* x (fma (- (cbrt 1.0)) (* (cbrt 1.0) (cbrt 1.0)) (* (cbrt 1.0) (* (cbrt 1.0) (cbrt 1.0)))))
  (* x (fma (* (cbrt x) (cbrt x)) (cbrt x) (- (* (sqrt 1.0) (sqrt 1.0)))))
  (* x (fma (- (sqrt 1.0)) (sqrt 1.0) (* (sqrt 1.0) (sqrt 1.0))))
  (* x (fma (* (cbrt x) (cbrt x)) (cbrt x) (- (* 1.0 1))))
  (* x (fma (- 1.0) 1 (* 1.0 1)))
  (* x (fma (sqrt x) (sqrt x) (- (* (cbrt 1.0) (* (cbrt 1.0) (cbrt 1.0))))))
  (* x (fma (- (cbrt 1.0)) (* (cbrt 1.0) (cbrt 1.0)) (* (cbrt 1.0) (* (cbrt 1.0) (cbrt 1.0)))))
  (* x (fma (sqrt x) (sqrt x) (- (* (sqrt 1.0) (sqrt 1.0)))))
  (* x (fma (- (sqrt 1.0)) (sqrt 1.0) (* (sqrt 1.0) (sqrt 1.0))))
  (* x (fma (sqrt x) (sqrt x) (- (* 1.0 1))))
  (* x (fma (- 1.0) 1 (* 1.0 1)))
  (* x (fma 1 x (- (* (cbrt 1.0) (* (cbrt 1.0) (cbrt 1.0))))))
  (* x (fma (- (cbrt 1.0)) (* (cbrt 1.0) (cbrt 1.0)) (* (cbrt 1.0) (* (cbrt 1.0) (cbrt 1.0)))))
  (* x (fma 1 x (- (* (sqrt 1.0) (sqrt 1.0)))))
  (* x (fma (- (sqrt 1.0)) (sqrt 1.0) (* (sqrt 1.0) (sqrt 1.0))))
  (* x (fma 1 x (- (* 1.0 1))))
  (* x (fma (- 1.0) 1 (* 1.0 1)))
  (* x x)
  (* x (- 1.0))
  (* x x)
  (* x (- 1.0))
  (* (fma (* (cbrt x) (cbrt x)) (cbrt x) (- (* (cbrt 1.0) (* (cbrt 1.0) (cbrt 1.0))))) x)
  (* (fma (- (cbrt 1.0)) (* (cbrt 1.0) (cbrt 1.0)) (* (cbrt 1.0) (* (cbrt 1.0) (cbrt 1.0)))) x)
  (* (fma (* (cbrt x) (cbrt x)) (cbrt x) (- (* (sqrt 1.0) (sqrt 1.0)))) x)
  (* (fma (- (sqrt 1.0)) (sqrt 1.0) (* (sqrt 1.0) (sqrt 1.0))) x)
  (* (fma (* (cbrt x) (cbrt x)) (cbrt x) (- (* 1.0 1))) x)
  (* (fma (- 1.0) 1 (* 1.0 1)) x)
  (* (fma (sqrt x) (sqrt x) (- (* (cbrt 1.0) (* (cbrt 1.0) (cbrt 1.0))))) x)
  (* (fma (- (cbrt 1.0)) (* (cbrt 1.0) (cbrt 1.0)) (* (cbrt 1.0) (* (cbrt 1.0) (cbrt 1.0)))) x)
  (* (fma (sqrt x) (sqrt x) (- (* (sqrt 1.0) (sqrt 1.0)))) x)
  (* (fma (- (sqrt 1.0)) (sqrt 1.0) (* (sqrt 1.0) (sqrt 1.0))) x)
  (* (fma (sqrt x) (sqrt x) (- (* 1.0 1))) x)
  (* (fma (- 1.0) 1 (* 1.0 1)) x)
  (* (fma 1 x (- (* (cbrt 1.0) (* (cbrt 1.0) (cbrt 1.0))))) x)
  (* (fma (- (cbrt 1.0)) (* (cbrt 1.0) (cbrt 1.0)) (* (cbrt 1.0) (* (cbrt 1.0) (cbrt 1.0)))) x)
  (* (fma 1 x (- (* (sqrt 1.0) (sqrt 1.0)))) x)
  (* (fma (- (sqrt 1.0)) (sqrt 1.0) (* (sqrt 1.0) (sqrt 1.0))) x)
  (* (fma 1 x (- (* 1.0 1))) x)
  (* (fma (- 1.0) 1 (* 1.0 1)) x)
  (* 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))
0.087 * * [simplify]: iteration  0 :  98  enodes  (cost  721 )
0.114 * * [simplify]: iteration  1 :  180  enodes  (cost  542 )
0.173 * * [simplify]: iteration  2 :  420  enodes  (cost  438 )
0.376 * * [simplify]: iteration  3 :  1475  enodes  (cost  396 )
0.993 * * [simplify]: iteration  done :  5000  enodes  (cost  396 )
0.993 * [simplify]: Simplified to:
   (expm1 (* x (- x 1.0)))
  (log1p (* x (- x 1.0)))
  (* 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)))
  (* x (- (pow (cbrt x) 3) 1.0))
  (* (- 1.0 1.0) x)
  (* x (- (pow (cbrt x) 3) 1.0))
  (* (- 1.0 1.0) x)
  (* x (- (pow (cbrt x) 3) 1.0))
  (* (- 1.0 1.0) x)
  (* x (- x 1.0))
  (* (- 1.0 1.0) x)
  (* x (- x 1.0))
  (* (- 1.0 1.0) x)
  (* x (- x 1.0))
  (* (- 1.0 1.0) x)
  (* x (- x 1.0))
  (* (- 1.0 1.0) x)
  (* x (- x 1.0))
  (* (- 1.0 1.0) x)
  (* x (- x 1.0))
  (* (- 1.0 1.0) x)
  (* x x)
  (* x (- 1.0))
  (* x x)
  (* x (- 1.0))
  (* x (- (pow (cbrt x) 3) 1.0))
  (* (- 1.0 1.0) x)
  (* x (- (pow (cbrt x) 3) 1.0))
  (* (- 1.0 1.0) x)
  (* x (- (pow (cbrt x) 3) 1.0))
  (* (- 1.0 1.0) x)
  (* x (- x 1.0))
  (* (- 1.0 1.0) x)
  (* x (- x 1.0))
  (* (- 1.0 1.0) x)
  (* x (- x 1.0))
  (* (- 1.0 1.0) x)
  (* x (- x 1.0))
  (* (- 1.0 1.0) x)
  (* x (- x 1.0))
  (* (- 1.0 1.0) x)
  (* x (- x 1.0))
  (* (- 1.0 1.0) x)
  (* 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 (- 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))
0.994 * * * [progress]: adding candidates to table
1.036 * * [progress]: iteration 2 / 4
1.036 * * * [progress]: picking best candidate
1.037 * * * * [pick]: Picked  #<alt (λ (x) (+ (* x x) (* x (- 1.0))))>
1.037 * * * [progress]: localizing error
1.042 * * * [progress]: generating rewritten candidates
1.043 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
1.046 * * * [progress]: generating series expansions
1.046 * * * * [progress]: [ 1 / 1 ] generating series at (2)
1.047 * [approximate]: Taking taylor expansion of (- (pow x 2) (* 1.0 x)) in (x) around 0
1.047 * [taylor]: Taking taylor expansion of (- (pow x 2) (* 1.0 x)) in x
1.047 * [taylor]: Taking taylor expansion of (pow x 2) in x
1.047 * [taylor]: Taking taylor expansion of x in x
1.047 * [taylor]: Taking taylor expansion of (* 1.0 x) in x
1.047 * [taylor]: Taking taylor expansion of 1.0 in x
1.047 * [taylor]: Taking taylor expansion of x in x
1.047 * [taylor]: Taking taylor expansion of (- (pow x 2) (* 1.0 x)) in x
1.047 * [taylor]: Taking taylor expansion of (pow x 2) in x
1.047 * [taylor]: Taking taylor expansion of x in x
1.047 * [taylor]: Taking taylor expansion of (* 1.0 x) in x
1.047 * [taylor]: Taking taylor expansion of 1.0 in x
1.047 * [taylor]: Taking taylor expansion of x in x
1.062 * [approximate]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 1.0 (/ 1 x))) in (x) around 0
1.062 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 1.0 (/ 1 x))) in x
1.062 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
1.062 * [taylor]: Taking taylor expansion of (pow x 2) in x
1.062 * [taylor]: Taking taylor expansion of x in x
1.062 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 x)) in x
1.062 * [taylor]: Taking taylor expansion of 1.0 in x
1.062 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.062 * [taylor]: Taking taylor expansion of x in x
1.063 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 1.0 (/ 1 x))) in x
1.063 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
1.063 * [taylor]: Taking taylor expansion of (pow x 2) in x
1.063 * [taylor]: Taking taylor expansion of x in x
1.063 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 x)) in x
1.063 * [taylor]: Taking taylor expansion of 1.0 in x
1.063 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.063 * [taylor]: Taking taylor expansion of x in x
1.085 * [approximate]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 1.0 (/ 1 x))) in (x) around 0
1.085 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 1.0 (/ 1 x))) in x
1.085 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
1.085 * [taylor]: Taking taylor expansion of (pow x 2) in x
1.085 * [taylor]: Taking taylor expansion of x in x
1.085 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 x)) in x
1.085 * [taylor]: Taking taylor expansion of 1.0 in x
1.085 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.085 * [taylor]: Taking taylor expansion of x in x
1.086 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 1.0 (/ 1 x))) in x
1.086 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
1.086 * [taylor]: Taking taylor expansion of (pow x 2) in x
1.086 * [taylor]: Taking taylor expansion of x in x
1.086 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 x)) in x
1.086 * [taylor]: Taking taylor expansion of 1.0 in x
1.086 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.086 * [taylor]: Taking taylor expansion of x in x
1.103 * * * [progress]: simplifying candidates
1.104 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (expm1 (+ (* x x) (* x (- 1.0))))
  (log1p (+ (* x x) (* x (- 1.0))))
  (* (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))
1.105 * * [simplify]: iteration  0 :  34  enodes  (cost  206 )
1.112 * * [simplify]: iteration  1 :  111  enodes  (cost  146 )
1.164 * * [simplify]: iteration  2 :  439  enodes  (cost  127 )
1.368 * * [simplify]: iteration  3 :  1535  enodes  (cost  124 )
2.536 * * [simplify]: iteration  done :  5000  enodes  (cost  123 )
2.537 * [simplify]: Simplified to:
   (expm1 (* x (- x 1.0)))
  (log1p (* x (- x 1.0)))
  (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))
  (* (fma x (* (+ 1.0 x) 1.0) (pow x 3)) x)
  (* (* x x) (- (* x x) (* 1.0 1.0)))
  (* x (+ 1.0 x))
  (- x 1.0)
  (* x (- x 1.0))
  (* x (- x 1.0))
  (* x (- x 1.0))
2.537 * * * [progress]: adding candidates to table
2.564 * [progress]: [Phase 3 of 3] Extracting.
2.564 * * [regime]: Finding splitpoints for: (#<alt (λ (x) (* x (- x 1.0)))> #<alt (λ (x) (+ (* x x) (* x (- 1.0))))>)
2.565 * * * [regime-changes]: Trying 2 branch expressions: ((* x (- x 1.0)) x)
2.565 * * * * [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))))>)
2.576 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x) (* x (- x 1.0)))> #<alt (λ (x) (+ (* x x) (* x (- 1.0))))>)
2.585 * * * [regime]: Found split indices: #<option (#s(si 1 255))>
2.586 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (+ (* x x) (* x (- 1.0)))
2.586 * * [simplify]: iteration  0 :  6  enodes  (cost  8 )
2.586 * * [simplify]: iteration  1 :  10  enodes  (cost  8 )
2.586 * * [simplify]: iteration  2 :  13  enodes  (cost  8 )
2.587 * * [simplify]: iteration  3 :  14  enodes  (cost  8 )
2.587 * * [simplify]: iteration  done :  14  enodes  (cost  8 )
2.587 * [simplify]: Simplified to:
   (+ (* x x) (* x (- 1.0)))
2.880 * [regime-testing]: Baseline error score: 0.011831961018849197
2.881 * [regime-testing]: Oracle error score: 0.00037504688086010754
2.882 * [regime-testing]: End program error score: 0.011831961018849197
2.897 * [regime-testing]: Target error score: 0.011831961018849197