11.674 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.012 * * * [progress]: [2/2] Setting up program.
0.014 * [progress]: [Phase 2 of 3] Improving.
0.015 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (* x (- x 1.0))
0.015 * * [simplify]: iteration  0 :  4  enodes  (cost  5 )
0.016 * * [simplify]: iteration  1 :  7  enodes  (cost  5 )
0.017 * * [simplify]: iteration  2 :  13  enodes  (cost  5 )
0.018 * * [simplify]: iteration  3 :  18  enodes  (cost  5 )
0.020 * * [simplify]: iteration  4 :  22  enodes  (cost  5 )
0.022 * * [simplify]: iteration  done :  22  enodes  (cost  5 )
0.022 * [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
0.028 * * * [progress]: generating rewritten candidates
0.028 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.039 * * * [progress]: generating series expansions
0.039 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.039 * [approximate]: Taking taylor expansion of (* x (- x 1.0)) in (x) around 0
0.040 * [taylor]: Taking taylor expansion of (* x (- x 1.0)) in x
0.040 * [taylor]: Taking taylor expansion of x in x
0.040 * [taylor]: Taking taylor expansion of (- x 1.0) in x
0.040 * [taylor]: Taking taylor expansion of x in x
0.040 * [taylor]: Taking taylor expansion of 1.0 in x
0.040 * [taylor]: Taking taylor expansion of (* x (- x 1.0)) in x
0.040 * [taylor]: Taking taylor expansion of x in x
0.040 * [taylor]: Taking taylor expansion of (- x 1.0) in x
0.040 * [taylor]: Taking taylor expansion of x in x
0.040 * [taylor]: Taking taylor expansion of 1.0 in x
0.041 * [approximate]: Taking taylor expansion of (/ (- (/ 1 x) 1.0) x) in (x) around 0
0.041 * [taylor]: Taking taylor expansion of (/ (- (/ 1 x) 1.0) x) in x
0.041 * [taylor]: Taking taylor expansion of (- (/ 1 x) 1.0) in x
0.041 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.041 * [taylor]: Taking taylor expansion of x in x
0.041 * [taylor]: Taking taylor expansion of 1.0 in x
0.041 * [taylor]: Taking taylor expansion of x in x
0.041 * [taylor]: Taking taylor expansion of (/ (- (/ 1 x) 1.0) x) in x
0.041 * [taylor]: Taking taylor expansion of (- (/ 1 x) 1.0) in x
0.041 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.041 * [taylor]: Taking taylor expansion of x in x
0.041 * [taylor]: Taking taylor expansion of 1.0 in x
0.041 * [taylor]: Taking taylor expansion of x in x
0.042 * [approximate]: Taking taylor expansion of (/ (+ (/ 1 x) 1.0) x) in (x) around 0
0.042 * [taylor]: Taking taylor expansion of (/ (+ (/ 1 x) 1.0) x) in x
0.042 * [taylor]: Taking taylor expansion of (+ (/ 1 x) 1.0) in x
0.042 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.042 * [taylor]: Taking taylor expansion of x in x
0.042 * [taylor]: Taking taylor expansion of 1.0 in x
0.042 * [taylor]: Taking taylor expansion of x in x
0.043 * [taylor]: Taking taylor expansion of (/ (+ (/ 1 x) 1.0) x) in x
0.043 * [taylor]: Taking taylor expansion of (+ (/ 1 x) 1.0) in x
0.043 * [taylor]: Taking taylor expansion of (/ 1 x) 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
0.044 * * * [progress]: simplifying candidates
0.045 * [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 (neg 1.0))
  (* x x)
  (* x (neg 1.0))
  (* x x)
  (* (neg 1.0) x)
  (* x x)
  (* (neg 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))
0.046 * * [simplify]: iteration  0 :  49  enodes  (cost  217 )
0.053 * * [simplify]: iteration  1 :  114  enodes  (cost  210 )
0.071 * * [simplify]: iteration  2 :  330  enodes  (cost  186 )
0.124 * * [simplify]: iteration  3 :  850  enodes  (cost  186 )
0.348 * * [simplify]: iteration  4 :  2441  enodes  (cost  186 )
0.897 * * [simplify]: iteration  done :  5001  enodes  (cost  186 )
0.897 * [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)
  (* x (neg 1.0))
  (pow x 2)
  (* x (neg 1.0))
  (pow x 2)
  (* x (neg 1.0))
  (pow x 2)
  (* x (neg 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))
0.898 * * * [progress]: adding candidates to table
0.923 * * [progress]: iteration 2 / 4
0.923 * * * [progress]: picking best candidate
0.925 * * * * [pick]: Picked  #<alt (λ (x) (+ (pow x 2) (* x (neg 1.0))))>
0.925 * * * [progress]: localizing error
0.931 * * * [progress]: generating rewritten candidates
0.931 * * * * [progress]: [ 1 / 2 ] rewriting at (2)
0.940 * * * * [progress]: [ 2 / 2 ] rewriting at (2 1)
0.943 * * * [progress]: generating series expansions
0.943 * * * * [progress]: [ 1 / 2 ] generating series at (2)
0.944 * [approximate]: Taking taylor expansion of (- (pow x 2) (* 1.0 x)) in (x) around 0
0.944 * [taylor]: Taking taylor expansion of (- (pow x 2) (* 1.0 x)) in x
0.944 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.944 * [taylor]: Taking taylor expansion of x in x
0.944 * [taylor]: Taking taylor expansion of (* 1.0 x) in x
0.944 * [taylor]: Taking taylor expansion of 1.0 in x
0.944 * [taylor]: Taking taylor expansion of x in x
0.944 * [taylor]: Taking taylor expansion of (- (pow x 2) (* 1.0 x)) in x
0.944 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.944 * [taylor]: Taking taylor expansion of x in x
0.944 * [taylor]: Taking taylor expansion of (* 1.0 x) in x
0.944 * [taylor]: Taking taylor expansion of 1.0 in x
0.944 * [taylor]: Taking taylor expansion of x in x
0.945 * [approximate]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 1.0 (/ 1 x))) in (x) around 0
0.945 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 1.0 (/ 1 x))) in x
0.945 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.945 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.945 * [taylor]: Taking taylor expansion of x in x
0.945 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 x)) in x
0.945 * [taylor]: Taking taylor expansion of 1.0 in x
0.945 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.945 * [taylor]: Taking taylor expansion of x in x
0.945 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 1.0 (/ 1 x))) in x
0.945 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.945 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.945 * [taylor]: Taking taylor expansion of x in x
0.945 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 x)) in x
0.945 * [taylor]: Taking taylor expansion of 1.0 in x
0.945 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.945 * [taylor]: Taking taylor expansion of x in x
0.947 * [approximate]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 1.0 (/ 1 x))) in (x) around 0
0.947 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 1.0 (/ 1 x))) in x
0.947 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.947 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.947 * [taylor]: Taking taylor expansion of x in x
0.948 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 x)) in x
0.948 * [taylor]: Taking taylor expansion of 1.0 in x
0.948 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.948 * [taylor]: Taking taylor expansion of x in x
0.948 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 1.0 (/ 1 x))) in x
0.948 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.948 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.948 * [taylor]: Taking taylor expansion of x in x
0.948 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 x)) in x
0.948 * [taylor]: Taking taylor expansion of 1.0 in x
0.948 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.948 * [taylor]: Taking taylor expansion of x in x
0.950 * * * * [progress]: [ 2 / 2 ] generating series at (2 1)
0.950 * [approximate]: Taking taylor expansion of (pow x 2) in (x) around 0
0.950 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.950 * [taylor]: Taking taylor expansion of x in x
0.950 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.950 * [taylor]: Taking taylor expansion of x in x
0.950 * [approximate]: Taking taylor expansion of (pow (/ 1 x) 2) in (x) around 0
0.950 * [taylor]: Taking taylor expansion of (pow (/ 1 x) 2) in x
0.950 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.950 * [taylor]: Taking taylor expansion of x in x
0.950 * [taylor]: Taking taylor expansion of (pow (/ 1 x) 2) in x
0.950 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.950 * [taylor]: Taking taylor expansion of x in x
0.951 * [approximate]: Taking taylor expansion of (pow (/ -1 x) 2) in (x) around 0
0.951 * [taylor]: Taking taylor expansion of (pow (/ -1 x) 2) in x
0.951 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.951 * [taylor]: Taking taylor expansion of -1 in x
0.951 * [taylor]: Taking taylor expansion of x in x
0.951 * [taylor]: Taking taylor expansion of (pow (/ -1 x) 2) in x
0.952 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.952 * [taylor]: Taking taylor expansion of -1 in x
0.952 * [taylor]: Taking taylor expansion of x in x
0.953 * * * [progress]: simplifying candidates
0.953 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (* (exp (pow x 2)) (exp (* x (neg 1.0))))
  (log (+ (pow x 2) (* x (neg 1.0))))
  (exp (+ (pow x 2) (* x (neg 1.0))))
  (* (cbrt (+ (pow x 2) (* x (neg 1.0)))) (cbrt (+ (pow x 2) (* x (neg 1.0)))))
  (cbrt (+ (pow x 2) (* x (neg 1.0))))
  (* (* (+ (pow x 2) (* x (neg 1.0))) (+ (pow x 2) (* x (neg 1.0)))) (+ (pow x 2) (* x (neg 1.0))))
  (sqrt (+ (pow x 2) (* x (neg 1.0))))
  (sqrt (+ (pow x 2) (* x (neg 1.0))))
  (+ (pow (pow x 2) 3) (pow (* x (neg 1.0)) 3))
  (+ (* (pow x 2) (pow x 2)) (- (* (* x (neg 1.0)) (* x (neg 1.0))) (* (pow x 2) (* x (neg 1.0)))))
  (- (* (pow x 2) (pow x 2)) (* (* x (neg 1.0)) (* x (neg 1.0))))
  (- (pow x 2) (* x (neg 1.0)))
  (+ x (neg 1.0))
  (* (log x) 2)
  (* (log x) 2)
  (* 1 2)
  (pow x (* (cbrt 2) (cbrt 2)))
  (pow x (sqrt 2))
  (pow x 1)
  (pow (* (cbrt x) (cbrt x)) 2)
  (pow (cbrt x) 2)
  (pow (sqrt x) 2)
  (pow (sqrt x) 2)
  (pow 1 2)
  (pow x 2)
  (log (pow x 2))
  (exp (pow x 2))
  (* (cbrt (pow x 2)) (cbrt (pow x 2)))
  (cbrt (pow x 2))
  (* (* (pow x 2) (pow x 2)) (pow x 2))
  (sqrt (pow x 2))
  (sqrt (pow x 2))
  (pow x (/ 2 2))
  (pow x (/ 2 2))
  (- (pow x 2) (* 1.0 x))
  (- (pow x 2) (* 1.0 x))
  (- (pow x 2) (* 1.0 x))
  (pow x 2)
  (pow x 2)
  (pow x 2)
0.955 * * [simplify]: iteration  0 :  55  enodes  (cost  297 )
0.963 * * [simplify]: iteration  1 :  148  enodes  (cost  250 )
0.986 * * [simplify]: iteration  2 :  459  enodes  (cost  194 )
1.099 * * [simplify]: iteration  3 :  1627  enodes  (cost  186 )
1.581 * * [simplify]: iteration  4 :  4996  enodes  (cost  186 )
2.640 * * [simplify]: iteration  done :  5000  enodes  (cost  186 )
2.640 * [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 (+ x 1.0))
  (- x 1.0)
  (* (log x) 2)
  (* (log x) 2)
  2
  (pow x (* (cbrt 2) (cbrt 2)))
  (pow x (sqrt 2))
  x
  (pow (cbrt x) 4)
  (pow (cbrt x) 2)
  x
  x
  1
  (* x x)
  (* (log x) 2)
  (pow (exp x) x)
  (* (cbrt (pow x 2)) (cbrt (pow x 2)))
  (cbrt (pow x 2))
  (pow x 6)
  (fabs x)
  (fabs x)
  x
  x
  (* x (- x 1.0))
  (* x (- x 1.0))
  (* x (- x 1.0))
  (* x x)
  (* x x)
  (* x x)
2.641 * * * [progress]: adding candidates to table
2.677 * [progress]: [Phase 3 of 3] Extracting.
2.677 * * [regime]: Finding splitpoints for: (#<alt (λ (x) (+ (pow x 2) (* x (neg 1.0))))> #<alt (λ (x) (* x (- x 1.0)))>)
2.677 * * * [regime-changes]: Trying 2 branch expressions: ((* x (- x 1.0)) x)
2.677 * * * * [regimes]: Trying to branch on (* x (- x 1.0)) from (#<alt (λ (x) (+ (pow x 2) (* x (neg 1.0))))> #<alt (λ (x) (* x (- x 1.0)))>)
2.708 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x) (+ (pow x 2) (* x (neg 1.0))))> #<alt (λ (x) (* x (- x 1.0)))>)
2.731 * * * [regime]: Found split indices: #<option (#s(si 0 255))>
2.731 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (+ (pow x 2) (* x (neg 1.0)))
2.731 * * [simplify]: iteration  0 :  7  enodes  (cost  8 )
2.732 * * [simplify]: iteration  1 :  11  enodes  (cost  8 )
2.732 * * [simplify]: iteration  2 :  14  enodes  (cost  8 )
2.733 * * [simplify]: iteration  3 :  15  enodes  (cost  8 )
2.733 * * [simplify]: iteration  done :  15  enodes  (cost  8 )
2.733 * [simplify]: Simplified to:
   (+ (pow x 2) (* x (neg 1.0)))
3.342 * [regime-testing]: End program error score: 0.012074629641295307
3.391 * [regime-testing]: Target error score: 0.01182459838738857