10.738 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.016 * * * [progress]: [2/2] Setting up program.
0.018 * [progress]: [Phase 2 of 3] Improving.
0.018 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (* 2.0 (- (* x x) (* x y)))
0.021 * * [simplify]: iteration  0 :  13  enodes  (cost  3 )
0.022 * * [simplify]: iteration  1 :  32  enodes  (cost  3 )
0.024 * * [simplify]: iteration  2 :  66  enodes  (cost  3 )
0.026 * * [simplify]: iteration  3 :  92  enodes  (cost  3 )
0.028 * * [simplify]: iteration  4 :  100  enodes  (cost  3 )
0.030 * * [simplify]: iteration  5 :  100  enodes  (cost  3 )
0.030 * [simplify]: Simplified to:
   (* (* x (- x y)) 2.0)
0.033 * * [progress]: iteration 1 / 4
0.033 * * * [progress]: picking best candidate
0.035 * * * * [pick]: Picked  #<alt (λ (x y) (* 2.0 (- (* x x) (* x y))))>
0.035 * * * [progress]: localizing error
0.041 * * * [progress]: generating rewritten candidates
0.041 * * * * [progress]: [ 1 / 1 ] rewriting at (2 2)
0.045 * * * [progress]: generating series expansions
0.045 * * * * [progress]: [ 1 / 1 ] generating series at (2 2)
0.045 * [approximate]: Taking taylor expansion of (- (pow x 2) (* x y)) in (x y) around 0
0.045 * [taylor]: Taking taylor expansion of (- (pow x 2) (* x y)) in y
0.045 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.045 * [taylor]: Taking taylor expansion of x in y
0.045 * [taylor]: Taking taylor expansion of (* x y) in y
0.045 * [taylor]: Taking taylor expansion of x in y
0.045 * [taylor]: Taking taylor expansion of y in y
0.045 * [taylor]: Taking taylor expansion of (- (pow x 2) (* x y)) in x
0.045 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.045 * [taylor]: Taking taylor expansion of x in x
0.045 * [taylor]: Taking taylor expansion of (* x y) in x
0.045 * [taylor]: Taking taylor expansion of x in x
0.045 * [taylor]: Taking taylor expansion of y in x
0.045 * [taylor]: Taking taylor expansion of (- (pow x 2) (* x y)) in x
0.045 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.045 * [taylor]: Taking taylor expansion of x in x
0.045 * [taylor]: Taking taylor expansion of (* x y) in x
0.045 * [taylor]: Taking taylor expansion of x in x
0.045 * [taylor]: Taking taylor expansion of y in x
0.046 * [taylor]: Taking taylor expansion of 0 in y
0.047 * [taylor]: Taking taylor expansion of (- y) in y
0.047 * [taylor]: Taking taylor expansion of y in y
0.048 * [taylor]: Taking taylor expansion of 1 in y
0.050 * [taylor]: Taking taylor expansion of 0 in y
0.052 * [taylor]: Taking taylor expansion of 0 in y
0.052 * [approximate]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (* x y))) in (x y) around 0
0.052 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (* x y))) in y
0.052 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.052 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.052 * [taylor]: Taking taylor expansion of x in y
0.053 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in y
0.053 * [taylor]: Taking taylor expansion of (* x y) in y
0.053 * [taylor]: Taking taylor expansion of x in y
0.053 * [taylor]: Taking taylor expansion of y in y
0.053 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (* x y))) in x
0.053 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.053 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.053 * [taylor]: Taking taylor expansion of x in x
0.053 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x
0.053 * [taylor]: Taking taylor expansion of (* x y) in x
0.053 * [taylor]: Taking taylor expansion of x in x
0.054 * [taylor]: Taking taylor expansion of y in x
0.054 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (* x y))) in x
0.054 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.054 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.054 * [taylor]: Taking taylor expansion of x in x
0.054 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x
0.054 * [taylor]: Taking taylor expansion of (* x y) in x
0.054 * [taylor]: Taking taylor expansion of x in x
0.054 * [taylor]: Taking taylor expansion of y in x
0.055 * [taylor]: Taking taylor expansion of 1 in y
0.056 * [taylor]: Taking taylor expansion of (- (/ 1 y)) in y
0.056 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.056 * [taylor]: Taking taylor expansion of y in y
0.058 * [taylor]: Taking taylor expansion of 0 in y
0.061 * [taylor]: Taking taylor expansion of 0 in y
0.065 * [taylor]: Taking taylor expansion of 0 in y
0.065 * [approximate]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (* x y))) in (x y) around 0
0.065 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (* x y))) in y
0.065 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.065 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.065 * [taylor]: Taking taylor expansion of x in y
0.065 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in y
0.065 * [taylor]: Taking taylor expansion of (* x y) in y
0.066 * [taylor]: Taking taylor expansion of x in y
0.066 * [taylor]: Taking taylor expansion of y in y
0.066 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (* x y))) in x
0.066 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.066 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.066 * [taylor]: Taking taylor expansion of x in x
0.066 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x
0.066 * [taylor]: Taking taylor expansion of (* x y) in x
0.066 * [taylor]: Taking taylor expansion of x in x
0.066 * [taylor]: Taking taylor expansion of y in x
0.067 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (* x y))) in x
0.067 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.067 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.067 * [taylor]: Taking taylor expansion of x in x
0.068 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x
0.068 * [taylor]: Taking taylor expansion of (* x y) in x
0.068 * [taylor]: Taking taylor expansion of x in x
0.068 * [taylor]: Taking taylor expansion of y in x
0.069 * [taylor]: Taking taylor expansion of 1 in y
0.070 * [taylor]: Taking taylor expansion of (- (/ 1 y)) in y
0.070 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.070 * [taylor]: Taking taylor expansion of y in y
0.072 * [taylor]: Taking taylor expansion of 0 in y
0.075 * [taylor]: Taking taylor expansion of 0 in y
0.079 * [taylor]: Taking taylor expansion of 0 in y
0.079 * * * [progress]: simplifying candidates
0.080 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (/ (exp (* x x)) (exp (* x y)))
  (log (- (* x x) (* x y)))
  (exp (- (* x x) (* x y)))
  (* (cbrt (- (* x x) (* x y))) (cbrt (- (* x x) (* x y))))
  (cbrt (- (* x x) (* x y)))
  (* (* (- (* x x) (* x y)) (- (* x x) (* x y))) (- (* x x) (* x y)))
  (sqrt (- (* x x) (* x y)))
  (sqrt (- (* x x) (* x y)))
  (- (pow (* x x) 3) (pow (* x y) 3))
  (+ (* (* x x) (* x x)) (+ (* (* x y) (* x y)) (* (* x x) (* x y))))
  (- (* x y))
  (- (* (* x x) (* x x)) (* (* x y) (* x y)))
  (+ (* x x) (* x y))
  (- x y)
  (- (* x y))
  (- (pow x 2) (* x y))
  (- (pow x 2) (* x y))
  (- (pow x 2) (* x y))
0.083 * * [simplify]: iteration  0 :  88  enodes  (cost  77 )
0.086 * * [simplify]: iteration  1 :  336  enodes  (cost  65 )
0.094 * * [simplify]: iteration  2 :  1368  enodes  (cost  63 )
0.127 * * [simplify]: iteration  3 :  5001  enodes  (cost  63 )
0.128 * [simplify]: Simplified to:
   (pow (exp x) (- x y))
  (log (- (* x x) (* x y)))
  (pow (exp x) (- x y))
  (* (cbrt (- (* x x) (* x y))) (cbrt (- (* x x) (* x y))))
  (cbrt (- (* x x) (* x y)))
  (pow (* x (- x y)) 3)
  (sqrt (- (* x x) (* x y)))
  (sqrt (- (* x x) (* x y)))
  (- (pow (* x x) 3) (pow (* x y) 3))
  (* x (+ (pow x 3) (* y (* x (+ x y)))))
  (- (* x y))
  (* (pow x 2) (- (pow x 2) (* y y)))
  (* x (+ x y))
  (- x y)
  (- (* x y))
  (* x (- x y))
  (* x (- x y))
  (* x (- x y))
0.128 * * * [progress]: adding candidates to table
0.156 * * [progress]: iteration 2 / 4
0.156 * * * [progress]: picking best candidate
0.157 * * * * [pick]: Picked  #<alt (λ (x y) (* (* x (- x y)) 2.0))>
0.157 * * * [progress]: localizing error
0.162 * * * [progress]: generating rewritten candidates
0.162 * * * * [progress]: [ 1 / 1 ] rewriting at (2 1)
0.169 * * * [progress]: generating series expansions
0.169 * * * * [progress]: [ 1 / 1 ] generating series at (2 1)
0.169 * [approximate]: Taking taylor expansion of (* x (- x y)) in (x y) around 0
0.169 * [taylor]: Taking taylor expansion of (* x (- x y)) in y
0.169 * [taylor]: Taking taylor expansion of x in y
0.170 * [taylor]: Taking taylor expansion of (- x y) in y
0.170 * [taylor]: Taking taylor expansion of x in y
0.170 * [taylor]: Taking taylor expansion of y in y
0.170 * [taylor]: Taking taylor expansion of (* x (- x y)) in x
0.170 * [taylor]: Taking taylor expansion of x in x
0.170 * [taylor]: Taking taylor expansion of (- x y) in x
0.170 * [taylor]: Taking taylor expansion of x in x
0.170 * [taylor]: Taking taylor expansion of y in x
0.170 * [taylor]: Taking taylor expansion of (* x (- x y)) in x
0.170 * [taylor]: Taking taylor expansion of x in x
0.170 * [taylor]: Taking taylor expansion of (- x y) in x
0.170 * [taylor]: Taking taylor expansion of x in x
0.170 * [taylor]: Taking taylor expansion of y in x
0.170 * [taylor]: Taking taylor expansion of 0 in y
0.171 * [taylor]: Taking taylor expansion of (- y) in y
0.171 * [taylor]: Taking taylor expansion of y in y
0.172 * [taylor]: Taking taylor expansion of 1 in y
0.174 * [taylor]: Taking taylor expansion of 0 in y
0.175 * [taylor]: Taking taylor expansion of 0 in y
0.175 * [approximate]: Taking taylor expansion of (/ (- (/ 1 x) (/ 1 y)) x) in (x y) around 0
0.175 * [taylor]: Taking taylor expansion of (/ (- (/ 1 x) (/ 1 y)) x) in y
0.176 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in y
0.176 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.176 * [taylor]: Taking taylor expansion of x in y
0.176 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.176 * [taylor]: Taking taylor expansion of y in y
0.176 * [taylor]: Taking taylor expansion of x in y
0.176 * [taylor]: Taking taylor expansion of (/ (- (/ 1 x) (/ 1 y)) x) in x
0.176 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
0.176 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.176 * [taylor]: Taking taylor expansion of x in x
0.177 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.177 * [taylor]: Taking taylor expansion of y in x
0.177 * [taylor]: Taking taylor expansion of x in x
0.177 * [taylor]: Taking taylor expansion of (/ (- (/ 1 x) (/ 1 y)) x) in x
0.177 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
0.177 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.177 * [taylor]: Taking taylor expansion of x in x
0.178 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.178 * [taylor]: Taking taylor expansion of y in x
0.178 * [taylor]: Taking taylor expansion of x in x
0.178 * [taylor]: Taking taylor expansion of 1 in y
0.179 * [taylor]: Taking taylor expansion of (- (/ 1 y)) in y
0.179 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.179 * [taylor]: Taking taylor expansion of y in y
0.181 * [taylor]: Taking taylor expansion of 0 in y
0.184 * [taylor]: Taking taylor expansion of 0 in y
0.188 * [taylor]: Taking taylor expansion of 0 in y
0.188 * [approximate]: Taking taylor expansion of (* -1 (/ (- (/ 1 y) (/ 1 x)) x)) in (x y) around 0
0.188 * [taylor]: Taking taylor expansion of (* -1 (/ (- (/ 1 y) (/ 1 x)) x)) in y
0.188 * [taylor]: Taking taylor expansion of -1 in y
0.188 * [taylor]: Taking taylor expansion of (/ (- (/ 1 y) (/ 1 x)) x) in y
0.188 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in y
0.188 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.188 * [taylor]: Taking taylor expansion of y in y
0.189 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.189 * [taylor]: Taking taylor expansion of x in y
0.189 * [taylor]: Taking taylor expansion of x in y
0.189 * [taylor]: Taking taylor expansion of (* -1 (/ (- (/ 1 y) (/ 1 x)) x)) in x
0.189 * [taylor]: Taking taylor expansion of -1 in x
0.189 * [taylor]: Taking taylor expansion of (/ (- (/ 1 y) (/ 1 x)) x) in x
0.189 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
0.189 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.189 * [taylor]: Taking taylor expansion of y in x
0.189 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.189 * [taylor]: Taking taylor expansion of x in x
0.189 * [taylor]: Taking taylor expansion of x in x
0.190 * [taylor]: Taking taylor expansion of (* -1 (/ (- (/ 1 y) (/ 1 x)) x)) in x
0.190 * [taylor]: Taking taylor expansion of -1 in x
0.190 * [taylor]: Taking taylor expansion of (/ (- (/ 1 y) (/ 1 x)) x) in x
0.190 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
0.190 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.190 * [taylor]: Taking taylor expansion of y in x
0.190 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.190 * [taylor]: Taking taylor expansion of x in x
0.191 * [taylor]: Taking taylor expansion of x in x
0.192 * [taylor]: Taking taylor expansion of 1 in y
0.193 * [taylor]: Taking taylor expansion of (- (/ 1 y)) in y
0.193 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.193 * [taylor]: Taking taylor expansion of y in y
0.196 * [taylor]: Taking taylor expansion of 0 in y
0.204 * [taylor]: Taking taylor expansion of 0 in y
0.208 * [taylor]: Taking taylor expansion of 0 in y
0.208 * * * [progress]: simplifying candidates
0.209 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (* x (- x y))
  (+ (log x) (log (- x y)))
  (log (* x (- x y)))
  (exp (* x (- x y)))
  (* (* (* x x) x) (* (* (- x y) (- x y)) (- x y)))
  (* (cbrt (* x (- x y))) (cbrt (* x (- x y))))
  (cbrt (* x (- x y)))
  (* (* (* x (- x y)) (* x (- x y))) (* x (- x y)))
  (sqrt (* x (- x y)))
  (sqrt (* x (- x y)))
  (* (sqrt x) (sqrt (- x y)))
  (* (sqrt x) (sqrt (- x y)))
  (* x x)
  (* x (- y))
  (* x x)
  (* x (- y))
  (* x x)
  (* (- y) x)
  (* x x)
  (* (- y) x)
  (* x (* (cbrt (- x y)) (cbrt (- x y))))
  (* x (sqrt (- x y)))
  (* x 1)
  (* x (+ (sqrt x) (sqrt y)))
  (* x 1)
  (* (cbrt x) (- x y))
  (* (sqrt x) (- x y))
  (* x (- x y))
  (* x (- (pow x 3) (pow y 3)))
  (* x (- (* x x) (* y y)))
  (- (pow x 2) (* x y))
  (- (pow x 2) (* x y))
  (- (pow x 2) (* x y))
0.212 * * [simplify]: iteration  0 :  111  enodes  (cost  100 )
0.216 * * [simplify]: iteration  1 :  459  enodes  (cost  88 )
0.226 * * [simplify]: iteration  2 :  2260  enodes  (cost  88 )
0.273 * * [simplify]: iteration  3 :  5001  enodes  (cost  88 )
0.274 * [simplify]: Simplified to:
   (* x (- x y))
  (log (* x (- x y)))
  (log (* x (- x y)))
  (exp (* x (- x y)))
  (pow (* x (- x y)) 3)
  (* (cbrt (* x (- x y))) (cbrt (* x (- x y))))
  (cbrt (* x (- x y)))
  (pow (* x (- x y)) 3)
  (sqrt (* x (- x y)))
  (sqrt (* x (- x y)))
  (* (sqrt (- x y)) (pow x 1/2))
  (* (sqrt (- x y)) (pow x 1/2))
  (pow x 2)
  (* x (- y))
  (pow x 2)
  (* x (- y))
  (pow x 2)
  (* x (- y))
  (pow x 2)
  (* x (- y))
  (* x (* (cbrt (- x y)) (cbrt (- x y))))
  (* x (sqrt (- x y)))
  x
  (* x (+ (sqrt x) (sqrt y)))
  x
  (* (cbrt x) (- x y))
  (* (sqrt x) (- x y))
  (* x (- x y))
  (* x (- (pow x 3) (pow y 3)))
  (* x (- (* x x) (* y y)))
  (* x (- x y))
  (* x (- x y))
  (* x (- x y))
0.274 * * * [progress]: adding candidates to table
0.309 * [progress]: [Phase 3 of 3] Extracting.
0.309 * * [regime]: Finding splitpoints for: (#<alt (λ (x y) (* 2.0 (- (* x x) (* x y))))> #<alt (λ (x y) (* (* x (- x y)) 2.0))>)
0.309 * * * [regime-changes]: Trying 4 branch expressions: ((- (* x x) (* x y)) (* 2.0 (- (* x x) (* x y))) y x)
0.309 * * * * [regimes]: Trying to branch on (- (* x x) (* x y)) from (#<alt (λ (x y) (* 2.0 (- (* x x) (* x y))))> #<alt (λ (x y) (* (* x (- x y)) 2.0))>)
0.322 * * * * [regimes]: Trying to branch on (* 2.0 (- (* x x) (* x y))) from (#<alt (λ (x y) (* 2.0 (- (* x x) (* x y))))> #<alt (λ (x y) (* (* x (- x y)) 2.0))>)
0.333 * * * * [regimes]: Trying to branch on y from (#<alt (λ (x y) (* 2.0 (- (* x x) (* x y))))> #<alt (λ (x y) (* (* x (- x y)) 2.0))>)
0.343 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x y) (* 2.0 (- (* x x) (* x y))))> #<alt (λ (x y) (* (* x (- x y)) 2.0))>)
0.355 * * * [regime]: Found split indices: #<option (#s(si 0 255))>
0.355 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (* 2.0 (- (* x x) (* x y)))
0.356 * * [simplify]: iteration  0 :  9  enodes  (cost  4 )
0.356 * * [simplify]: iteration  1 :  9  enodes  (cost  4 )
0.356 * [simplify]: Simplified to:
   (* 2.0 (- (* x x) (* x y)))
0.839 * [regime-testing]: Baseline error score: 0.015376922115264409
0.840 * [regime-testing]: Oracle error score: 0.007875984498062257
0.841 * [regime-testing]: End program error score: 0.015376922115264409
0.858 * [regime-testing]: Target error score: 0.007875984498062257