16.975 * [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 )
0.013 * * [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
0.029 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.043 * * * [progress]: generating series expansions
0.043 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.043 * [approximate]: Taking taylor expansion of (* (- x 1.0) x) in (x) around 0
0.043 * [taylor]: Taking taylor expansion of (* (- x 1.0) x) in x
0.043 * [taylor]: Taking taylor expansion of (- x 1.0) in x
0.043 * [taylor]: Taking taylor expansion of x in x
0.043 * [taylor]: Taking taylor expansion of 1.0 in x
0.043 * [taylor]: Taking taylor expansion of x in x
0.043 * [taylor]: Taking taylor expansion of (* (- x 1.0) x) in x
0.043 * [taylor]: Taking taylor expansion of (- x 1.0) in x
0.043 * [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
0.084 * * * [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 )
0.105 * * [simplify]: iteration  1 :  192  enodes  (cost  542 )
0.152 * * [simplify]: iteration  2 :  700  enodes  (cost  420 )
0.527 * * [simplify]: iteration  3 :  3491  enodes  (cost  360 )
2.882 * * [simplify]: iteration  done :  5000  enodes  (cost  360 )
2.882 * [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))
  (* 0 x)
  (* x (- (pow (cbrt x) 3) 1.0))
  (* 0 x)
  (* x (- (pow (cbrt x) 3) 1.0))
  (* 0 x)
  (* x (- x 1.0))
  (* 0 x)
  (* x (- x 1.0))
  (* 0 x)
  (* x (- x 1.0))
  (* 0 x)
  (* x (- x 1.0))
  (* 0 x)
  (* x (- x 1.0))
  (* 0 x)
  (* x (- x 1.0))
  (* 0 x)
  (* x x)
  (* x (- 1.0))
  (* x x)
  (* x (- 1.0))
  (* x (- (pow (cbrt x) 3) 1.0))
  (* 0 x)
  (* x (- (pow (cbrt x) 3) 1.0))
  (* 0 x)
  (* x (- (pow (cbrt x) 3) 1.0))
  (* 0 x)
  (* x (- x 1.0))
  (* 0 x)
  (* x (- x 1.0))
  (* 0 x)
  (* x (- x 1.0))
  (* 0 x)
  (* x (- x 1.0))
  (* 0 x)
  (* x (- x 1.0))
  (* 0 x)
  (* x (- x 1.0))
  (* 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))
2.883 * * * [progress]: adding candidates to table
2.927 * * [progress]: iteration 2 / 4
2.927 * * * [progress]: picking best candidate
2.928 * * * * [pick]: Picked  #<alt (λ (x) (+ (* x x) (* x (- 1.0))))>
2.929 * * * [progress]: localizing error
2.933 * * * [progress]: generating rewritten candidates
2.934 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
2.937 * * * [progress]: generating series expansions
2.937 * * * * [progress]: [ 1 / 1 ] generating series at (2)
2.937 * [approximate]: Taking taylor expansion of (- (pow x 2) (* 1.0 x)) in (x) around 0
2.937 * [taylor]: Taking taylor expansion of (- (pow x 2) (* 1.0 x)) in x
2.937 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.938 * [taylor]: Taking taylor expansion of x in x
2.938 * [taylor]: Taking taylor expansion of (* 1.0 x) in x
2.938 * [taylor]: Taking taylor expansion of 1.0 in x
2.938 * [taylor]: Taking taylor expansion of x in x
2.938 * [taylor]: Taking taylor expansion of (- (pow x 2) (* 1.0 x)) in x
2.938 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.938 * [taylor]: Taking taylor expansion of x in x
2.938 * [taylor]: Taking taylor expansion of (* 1.0 x) in x
2.938 * [taylor]: Taking taylor expansion of 1.0 in x
2.938 * [taylor]: Taking taylor expansion of x in x
2.956 * [approximate]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 1.0 (/ 1 x))) in (x) around 0
2.956 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 1.0 (/ 1 x))) in x
2.956 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
2.956 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.956 * [taylor]: Taking taylor expansion of x in x
2.957 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 x)) in x
2.957 * [taylor]: Taking taylor expansion of 1.0 in x
2.957 * [taylor]: Taking taylor expansion of (/ 1 x) in x
2.957 * [taylor]: Taking taylor expansion of x in x
2.957 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 1.0 (/ 1 x))) in x
2.957 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
2.957 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.957 * [taylor]: Taking taylor expansion of x in x
2.958 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 x)) in x
2.958 * [taylor]: Taking taylor expansion of 1.0 in x
2.958 * [taylor]: Taking taylor expansion of (/ 1 x) in x
2.958 * [taylor]: Taking taylor expansion of x in x
2.977 * [approximate]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 1.0 (/ 1 x))) in (x) around 0
2.977 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 1.0 (/ 1 x))) in x
2.977 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
2.977 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.977 * [taylor]: Taking taylor expansion of x in x
2.978 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 x)) in x
2.978 * [taylor]: Taking taylor expansion of 1.0 in x
2.978 * [taylor]: Taking taylor expansion of (/ 1 x) in x
2.978 * [taylor]: Taking taylor expansion of x in x
2.978 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 1.0 (/ 1 x))) in x
2.978 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
2.978 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.978 * [taylor]: Taking taylor expansion of x in x
2.979 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 x)) in x
2.979 * [taylor]: Taking taylor expansion of 1.0 in x
2.979 * [taylor]: Taking taylor expansion of (/ 1 x) in x
2.979 * [taylor]: Taking taylor expansion of x in x
2.996 * * * [progress]: simplifying candidates
2.997 * [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))
2.998 * * [simplify]: iteration  0 :  34  enodes  (cost  206 )
3.004 * * [simplify]: iteration  1 :  111  enodes  (cost  146 )
3.034 * * [simplify]: iteration  2 :  500  enodes  (cost  127 )
3.219 * * [simplify]: iteration  3 :  2033  enodes  (cost  124 )
4.145 * * [simplify]: iteration  done :  5000  enodes  (cost  124 )
4.145 * [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 (* x (fma 1.0 1.0 (* 1.0 x))) (pow x 4))
  (* x (- (pow x 3) (* (* 1.0 1.0) x)))
  (* x (+ x 1.0))
  (- x 1.0)
  (* x (- x 1.0))
  (* x (- x 1.0))
  (* x (- x 1.0))
4.145 * * * [progress]: adding candidates to table
4.173 * [progress]: [Phase 3 of 3] Extracting.
4.173 * * [regime]: Finding splitpoints for: (#<alt (λ (x) (+ (* x x) (* x (- 1.0))))> #<alt (λ (x) (* x (- x 1.0)))>)
4.173 * * * [regime-changes]: Trying 2 branch expressions: ((* x (- x 1.0)) x)
4.173 * * * * [regimes]: Trying to branch on (* x (- x 1.0)) from (#<alt (λ (x) (+ (* x x) (* x (- 1.0))))> #<alt (λ (x) (* x (- x 1.0)))>)
4.184 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x) (+ (* x x) (* x (- 1.0))))> #<alt (λ (x) (* x (- x 1.0)))>)
4.194 * * * [regime]: Found split indices: #<option (#s(si 0 255))>
4.194 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (+ (* x x) (* x (- 1.0)))
4.194 * * [simplify]: iteration  0 :  6  enodes  (cost  8 )
4.194 * * [simplify]: iteration  1 :  10  enodes  (cost  8 )
4.195 * * [simplify]: iteration  2 :  13  enodes  (cost  8 )
4.195 * * [simplify]: iteration  3 :  14  enodes  (cost  8 )
4.196 * * [simplify]: iteration  done :  14  enodes  (cost  8 )
4.196 * [simplify]: Simplified to:
   (+ (* x x) (* x (- 1.0)))
4.497 * [regime-testing]: Baseline error score: 0.011147634079440218
4.497 * [regime-testing]: Oracle error score: 0.0006250781347668458
4.498 * [regime-testing]: End program error score: 0.011147634079440218
4.513 * [regime-testing]: Target error score: 0.011147634079440218