13.734 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.014 * * * [progress]: [2/2] Setting up program.
0.016 * [progress]: [Phase 2 of 3] Improving.
0.016 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (* 2.0 (- (* x x) (* x y)))
0.017 * * [simplify]: iteration  0 :  7  enodes  (cost  9 )
0.018 * * [simplify]: iteration  1 :  14  enodes  (cost  7 )
0.020 * * [simplify]: iteration  2 :  33  enodes  (cost  7 )
0.025 * * [simplify]: iteration  3 :  65  enodes  (cost  7 )
0.036 * * [simplify]: iteration  4 :  95  enodes  (cost  7 )
0.048 * * [simplify]: iteration  5 :  110  enodes  (cost  7 )
0.062 * * [simplify]: iteration  6 :  112  enodes  (cost  7 )
0.077 * * [simplify]: iteration  done :  112  enodes  (cost  7 )
0.077 * [simplify]: Simplified to:
   (* (* x (- x y)) 2.0)
0.079 * * [progress]: iteration 1 / 4
0.079 * * * [progress]: picking best candidate
0.081 * * * * [pick]: Picked  #<alt (λ (x y) (* 2.0 (- (* x x) (* x y))))>
0.081 * * * [progress]: localizing error
0.089 * * * [progress]: generating rewritten candidates
0.089 * * * * [progress]: [ 1 / 1 ] rewriting at (2 2)
0.093 * * * [progress]: generating series expansions
0.093 * * * * [progress]: [ 1 / 1 ] generating series at (2 2)
0.093 * [approximate]: Taking taylor expansion of (- (pow x 2) (* x y)) in (x y) around 0
0.093 * [taylor]: Taking taylor expansion of (- (pow x 2) (* x y)) in y
0.093 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.093 * [taylor]: Taking taylor expansion of x in y
0.093 * [taylor]: Taking taylor expansion of (* x y) in y
0.093 * [taylor]: Taking taylor expansion of x in y
0.093 * [taylor]: Taking taylor expansion of y in y
0.093 * [taylor]: Taking taylor expansion of (- (pow x 2) (* x y)) in x
0.093 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.093 * [taylor]: Taking taylor expansion of x in x
0.093 * [taylor]: Taking taylor expansion of (* x y) in x
0.093 * [taylor]: Taking taylor expansion of x in x
0.093 * [taylor]: Taking taylor expansion of y in x
0.093 * [taylor]: Taking taylor expansion of (- (pow x 2) (* x y)) in x
0.093 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.093 * [taylor]: Taking taylor expansion of x in x
0.093 * [taylor]: Taking taylor expansion of (* x y) in x
0.093 * [taylor]: Taking taylor expansion of x in x
0.093 * [taylor]: Taking taylor expansion of y in x
0.094 * [taylor]: Taking taylor expansion of 0 in y
0.094 * [taylor]: Taking taylor expansion of (- y) in y
0.094 * [taylor]: Taking taylor expansion of y in y
0.096 * [taylor]: Taking taylor expansion of 1 in y
0.098 * [taylor]: Taking taylor expansion of 0 in y
0.100 * [taylor]: Taking taylor expansion of 0 in y
0.100 * [approximate]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (* x y))) in (x y) around 0
0.100 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (* x y))) in y
0.100 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.100 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.100 * [taylor]: Taking taylor expansion of x in y
0.100 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in y
0.100 * [taylor]: Taking taylor expansion of (* x y) in y
0.100 * [taylor]: Taking taylor expansion of x in y
0.100 * [taylor]: Taking taylor expansion of y in y
0.101 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (* x y))) in x
0.101 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.101 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.101 * [taylor]: Taking taylor expansion of x in x
0.101 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x
0.101 * [taylor]: Taking taylor expansion of (* x y) in x
0.101 * [taylor]: Taking taylor expansion of x in x
0.101 * [taylor]: Taking taylor expansion of y in x
0.102 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (* x y))) in x
0.102 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.102 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.102 * [taylor]: Taking taylor expansion of x in x
0.102 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x
0.102 * [taylor]: Taking taylor expansion of (* x y) in x
0.102 * [taylor]: Taking taylor expansion of x in x
0.102 * [taylor]: Taking taylor expansion of y in x
0.103 * [taylor]: Taking taylor expansion of 1 in y
0.104 * [taylor]: Taking taylor expansion of (- (/ 1 y)) in y
0.104 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.104 * [taylor]: Taking taylor expansion of y in y
0.106 * [taylor]: Taking taylor expansion of 0 in y
0.109 * [taylor]: Taking taylor expansion of 0 in y
0.113 * [taylor]: Taking taylor expansion of 0 in y
0.113 * [approximate]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (* x y))) in (x y) around 0
0.113 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (* x y))) in y
0.113 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.113 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.113 * [taylor]: Taking taylor expansion of x in y
0.113 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in y
0.113 * [taylor]: Taking taylor expansion of (* x y) in y
0.113 * [taylor]: Taking taylor expansion of x in y
0.113 * [taylor]: Taking taylor expansion of y in y
0.114 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (* x y))) in x
0.114 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.114 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.114 * [taylor]: Taking taylor expansion of x in x
0.114 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x
0.114 * [taylor]: Taking taylor expansion of (* x y) in x
0.114 * [taylor]: Taking taylor expansion of x in x
0.114 * [taylor]: Taking taylor expansion of y in x
0.115 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (* x y))) in x
0.115 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.115 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.115 * [taylor]: Taking taylor expansion of x in x
0.115 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x
0.115 * [taylor]: Taking taylor expansion of (* x y) in x
0.115 * [taylor]: Taking taylor expansion of x in x
0.115 * [taylor]: Taking taylor expansion of y in x
0.116 * [taylor]: Taking taylor expansion of 1 in y
0.117 * [taylor]: Taking taylor expansion of (- (/ 1 y)) in y
0.117 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.117 * [taylor]: Taking taylor expansion of y in y
0.119 * [taylor]: Taking taylor expansion of 0 in y
0.122 * [taylor]: Taking taylor expansion of 0 in y
0.126 * [taylor]: Taking taylor expansion of 0 in y
0.126 * * * [progress]: simplifying candidates
0.126 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (fma x x (- (* y x)))
  (fma (- y) x (* y x))
  (expm1 (- (* x x) (* x y)))
  (log1p (- (* x x) (* x y)))
  (- (* x y))
  (/ (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))
0.128 * * [simplify]: iteration  0 :  38  enodes  (cost  211 )
0.134 * * [simplify]: iteration  1 :  107  enodes  (cost  163 )
0.160 * * [simplify]: iteration  2 :  380  enodes  (cost  146 )
0.281 * * [simplify]: iteration  3 :  1344  enodes  (cost  146 )
0.850 * * [simplify]: iteration  4 :  4976  enodes  (cost  141 )
3.134 * * [simplify]: iteration  done :  5000  enodes  (cost  141 )
3.134 * [simplify]: Simplified to:
   (* x (- x y))
  0
  (expm1 (* x (- x y)))
  (log1p (* x (- x y)))
  (- (* y x))
  (exp (* x (- x y)))
  (log (* x (- x y)))
  (exp (* x (- x y)))
  (* (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)))
  (- (pow x 6) (pow (* x y) 3))
  (fma (* x y) (* x (+ x y)) (pow x 4))
  (- (* y x))
  (* (* x (+ x y)) (* x (- x y)))
  (* x (+ x y))
  (- x y)
  (- (* y x))
  (* x (- x y))
  (* x (- x y))
  (* x (- x y))
3.135 * * * [progress]: adding candidates to table
3.167 * * [progress]: iteration 2 / 4
3.167 * * * [progress]: picking best candidate
3.168 * * * * [pick]: Picked  #<alt (λ (x y) (* (* x (- x y)) 2.0))>
3.168 * * * [progress]: localizing error
3.173 * * * [progress]: generating rewritten candidates
3.173 * * * * [progress]: [ 1 / 1 ] rewriting at (2 1)
3.189 * * * [progress]: generating series expansions
3.189 * * * * [progress]: [ 1 / 1 ] generating series at (2 1)
3.190 * [approximate]: Taking taylor expansion of (* x (- x y)) in (x y) around 0
3.190 * [taylor]: Taking taylor expansion of (* x (- x y)) in y
3.190 * [taylor]: Taking taylor expansion of x in y
3.190 * [taylor]: Taking taylor expansion of (- x y) in y
3.190 * [taylor]: Taking taylor expansion of x in y
3.190 * [taylor]: Taking taylor expansion of y in y
3.190 * [taylor]: Taking taylor expansion of (* x (- x y)) in x
3.190 * [taylor]: Taking taylor expansion of x in x
3.190 * [taylor]: Taking taylor expansion of (- x y) in x
3.190 * [taylor]: Taking taylor expansion of x in x
3.190 * [taylor]: Taking taylor expansion of y in x
3.190 * [taylor]: Taking taylor expansion of (* x (- x y)) in x
3.190 * [taylor]: Taking taylor expansion of x in x
3.190 * [taylor]: Taking taylor expansion of (- x y) in x
3.190 * [taylor]: Taking taylor expansion of x in x
3.190 * [taylor]: Taking taylor expansion of y in x
3.190 * [taylor]: Taking taylor expansion of 0 in y
3.191 * [taylor]: Taking taylor expansion of (- y) in y
3.191 * [taylor]: Taking taylor expansion of y in y
3.192 * [taylor]: Taking taylor expansion of 1 in y
3.194 * [taylor]: Taking taylor expansion of 0 in y
3.196 * [taylor]: Taking taylor expansion of 0 in y
3.196 * [approximate]: Taking taylor expansion of (/ (- (/ 1 x) (/ 1 y)) x) in (x y) around 0
3.196 * [taylor]: Taking taylor expansion of (/ (- (/ 1 x) (/ 1 y)) x) in y
3.196 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in y
3.196 * [taylor]: Taking taylor expansion of (/ 1 x) in y
3.196 * [taylor]: Taking taylor expansion of x in y
3.196 * [taylor]: Taking taylor expansion of (/ 1 y) in y
3.196 * [taylor]: Taking taylor expansion of y in y
3.196 * [taylor]: Taking taylor expansion of x in y
3.197 * [taylor]: Taking taylor expansion of (/ (- (/ 1 x) (/ 1 y)) x) in x
3.197 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
3.197 * [taylor]: Taking taylor expansion of (/ 1 x) in x
3.197 * [taylor]: Taking taylor expansion of x in x
3.197 * [taylor]: Taking taylor expansion of (/ 1 y) in x
3.197 * [taylor]: Taking taylor expansion of y in x
3.197 * [taylor]: Taking taylor expansion of x in x
3.198 * [taylor]: Taking taylor expansion of (/ (- (/ 1 x) (/ 1 y)) x) in x
3.198 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
3.198 * [taylor]: Taking taylor expansion of (/ 1 x) in x
3.198 * [taylor]: Taking taylor expansion of x in x
3.198 * [taylor]: Taking taylor expansion of (/ 1 y) in x
3.198 * [taylor]: Taking taylor expansion of y in x
3.198 * [taylor]: Taking taylor expansion of x in x
3.199 * [taylor]: Taking taylor expansion of 1 in y
3.200 * [taylor]: Taking taylor expansion of (- (/ 1 y)) in y
3.200 * [taylor]: Taking taylor expansion of (/ 1 y) in y
3.200 * [taylor]: Taking taylor expansion of y in y
3.202 * [taylor]: Taking taylor expansion of 0 in y
3.205 * [taylor]: Taking taylor expansion of 0 in y
3.209 * [taylor]: Taking taylor expansion of 0 in y
3.209 * [approximate]: Taking taylor expansion of (* -1 (/ (- (/ 1 y) (/ 1 x)) x)) in (x y) around 0
3.209 * [taylor]: Taking taylor expansion of (* -1 (/ (- (/ 1 y) (/ 1 x)) x)) in y
3.209 * [taylor]: Taking taylor expansion of -1 in y
3.209 * [taylor]: Taking taylor expansion of (/ (- (/ 1 y) (/ 1 x)) x) in y
3.209 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in y
3.209 * [taylor]: Taking taylor expansion of (/ 1 y) in y
3.209 * [taylor]: Taking taylor expansion of y in y
3.209 * [taylor]: Taking taylor expansion of (/ 1 x) in y
3.209 * [taylor]: Taking taylor expansion of x in y
3.210 * [taylor]: Taking taylor expansion of x in y
3.210 * [taylor]: Taking taylor expansion of (* -1 (/ (- (/ 1 y) (/ 1 x)) x)) in x
3.210 * [taylor]: Taking taylor expansion of -1 in x
3.210 * [taylor]: Taking taylor expansion of (/ (- (/ 1 y) (/ 1 x)) x) in x
3.210 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
3.210 * [taylor]: Taking taylor expansion of (/ 1 y) in x
3.210 * [taylor]: Taking taylor expansion of y in x
3.210 * [taylor]: Taking taylor expansion of (/ 1 x) in x
3.210 * [taylor]: Taking taylor expansion of x in x
3.210 * [taylor]: Taking taylor expansion of x in x
3.211 * [taylor]: Taking taylor expansion of (* -1 (/ (- (/ 1 y) (/ 1 x)) x)) in x
3.211 * [taylor]: Taking taylor expansion of -1 in x
3.211 * [taylor]: Taking taylor expansion of (/ (- (/ 1 y) (/ 1 x)) x) in x
3.211 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
3.211 * [taylor]: Taking taylor expansion of (/ 1 y) in x
3.211 * [taylor]: Taking taylor expansion of y in x
3.211 * [taylor]: Taking taylor expansion of (/ 1 x) in x
3.211 * [taylor]: Taking taylor expansion of x in x
3.211 * [taylor]: Taking taylor expansion of x in x
3.212 * [taylor]: Taking taylor expansion of 1 in y
3.214 * [taylor]: Taking taylor expansion of (- (/ 1 y)) in y
3.214 * [taylor]: Taking taylor expansion of (/ 1 y) in y
3.214 * [taylor]: Taking taylor expansion of y in y
3.217 * [taylor]: Taking taylor expansion of 0 in y
3.220 * [taylor]: Taking taylor expansion of 0 in y
3.225 * [taylor]: Taking taylor expansion of 0 in y
3.225 * * * [progress]: simplifying candidates
3.226 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (expm1 (* x (- x y)))
  (log1p (* x (- x y)))
  (* 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 (fma (* (cbrt x) (cbrt x)) (cbrt x) (- (* (cbrt y) (* (cbrt y) (cbrt y))))))
  (* x (fma (- (cbrt y)) (* (cbrt y) (cbrt y)) (* (cbrt y) (* (cbrt y) (cbrt y)))))
  (* x (fma (* (cbrt x) (cbrt x)) (cbrt x) (- (* (sqrt y) (sqrt y)))))
  (* x (fma (- (sqrt y)) (sqrt y) (* (sqrt y) (sqrt y))))
  (* x (fma (* (cbrt x) (cbrt x)) (cbrt x) (- (* y 1))))
  (* x (fma (- y) 1 (* y 1)))
  (* x (fma (sqrt x) (sqrt x) (- (* (cbrt y) (* (cbrt y) (cbrt y))))))
  (* x (fma (- (cbrt y)) (* (cbrt y) (cbrt y)) (* (cbrt y) (* (cbrt y) (cbrt y)))))
  (* x (fma (sqrt x) (sqrt x) (- (* (sqrt y) (sqrt y)))))
  (* x (fma (- (sqrt y)) (sqrt y) (* (sqrt y) (sqrt y))))
  (* x (fma (sqrt x) (sqrt x) (- (* y 1))))
  (* x (fma (- y) 1 (* y 1)))
  (* x (fma 1 x (- (* (cbrt y) (* (cbrt y) (cbrt y))))))
  (* x (fma (- (cbrt y)) (* (cbrt y) (cbrt y)) (* (cbrt y) (* (cbrt y) (cbrt y)))))
  (* x (fma 1 x (- (* (sqrt y) (sqrt y)))))
  (* x (fma (- (sqrt y)) (sqrt y) (* (sqrt y) (sqrt y))))
  (* x (fma 1 x (- (* y 1))))
  (* x (fma (- y) 1 (* y 1)))
  (* x x)
  (* x (- y))
  (* x x)
  (* x (- y))
  (* (fma (* (cbrt x) (cbrt x)) (cbrt x) (- (* (cbrt y) (* (cbrt y) (cbrt y))))) x)
  (* (fma (- (cbrt y)) (* (cbrt y) (cbrt y)) (* (cbrt y) (* (cbrt y) (cbrt y)))) x)
  (* (fma (* (cbrt x) (cbrt x)) (cbrt x) (- (* (sqrt y) (sqrt y)))) x)
  (* (fma (- (sqrt y)) (sqrt y) (* (sqrt y) (sqrt y))) x)
  (* (fma (* (cbrt x) (cbrt x)) (cbrt x) (- (* y 1))) x)
  (* (fma (- y) 1 (* y 1)) x)
  (* (fma (sqrt x) (sqrt x) (- (* (cbrt y) (* (cbrt y) (cbrt y))))) x)
  (* (fma (- (cbrt y)) (* (cbrt y) (cbrt y)) (* (cbrt y) (* (cbrt y) (cbrt y)))) x)
  (* (fma (sqrt x) (sqrt x) (- (* (sqrt y) (sqrt y)))) x)
  (* (fma (- (sqrt y)) (sqrt y) (* (sqrt y) (sqrt y))) x)
  (* (fma (sqrt x) (sqrt x) (- (* y 1))) x)
  (* (fma (- y) 1 (* y 1)) x)
  (* (fma 1 x (- (* (cbrt y) (* (cbrt y) (cbrt y))))) x)
  (* (fma (- (cbrt y)) (* (cbrt y) (cbrt y)) (* (cbrt y) (* (cbrt y) (cbrt y)))) x)
  (* (fma 1 x (- (* (sqrt y) (sqrt y)))) x)
  (* (fma (- (sqrt y)) (sqrt y) (* (sqrt y) (sqrt y))) x)
  (* (fma 1 x (- (* y 1))) x)
  (* (fma (- y) 1 (* y 1)) x)
  (* 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))
3.229 * * [simplify]: iteration  0 :  98  enodes  (cost  721 )
3.244 * * [simplify]: iteration  1 :  192  enodes  (cost  542 )
3.292 * * [simplify]: iteration  2 :  700  enodes  (cost  420 )
3.680 * * [simplify]: iteration  3 :  3491  enodes  (cost  360 )
6.201 * * [simplify]: iteration  done :  5000  enodes  (cost  360 )
6.202 * [simplify]: Simplified to:
   (expm1 (* x (- x y)))
  (log1p (* x (- x y)))
  (* 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) (sqrt (- x y)))
  (* (sqrt x) (sqrt (- x y)))
  (* x (- (pow (cbrt x) 3) y))
  (* 0 x)
  (* x (- (pow (cbrt x) 3) y))
  (* 0 x)
  (* x (- (pow (cbrt x) 3) y))
  (* 0 x)
  (* x (- x y))
  (* 0 x)
  (* x (- x y))
  (* 0 x)
  (* x (- x y))
  (* 0 x)
  (* x (- x y))
  (* 0 x)
  (* x (- x y))
  (* 0 x)
  (* x (- x y))
  (* 0 x)
  (* x x)
  (* x (- y))
  (* x x)
  (* x (- y))
  (* x (- (pow (cbrt x) 3) y))
  (* 0 x)
  (* x (- (pow (cbrt x) 3) y))
  (* 0 x)
  (* x (- (pow (cbrt x) 3) y))
  (* 0 x)
  (* x (- x y))
  (* 0 x)
  (* x (- x y))
  (* 0 x)
  (* x (- x y))
  (* 0 x)
  (* x (- x y))
  (* 0 x)
  (* x (- x y))
  (* 0 x)
  (* x (- x y))
  (* 0 x)
  (* x x)
  (* x (- y))
  (* x x)
  (* 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))
6.202 * * * [progress]: adding candidates to table
6.250 * [progress]: [Phase 3 of 3] Extracting.
6.250 * * [regime]: Finding splitpoints for: (#<alt (λ (x y) (* (* x (- x y)) 2.0))> #<alt (λ (x y) (* 2.0 (- (* x x) (* x y))))>)
6.250 * * * [regime-changes]: Trying 4 branch expressions: ((- (* x x) (* x y)) (* 2.0 (- (* x x) (* x y))) y x)
6.250 * * * * [regimes]: Trying to branch on (- (* x x) (* x y)) from (#<alt (λ (x y) (* (* x (- x y)) 2.0))> #<alt (λ (x y) (* 2.0 (- (* x x) (* x y))))>)
6.262 * * * * [regimes]: Trying to branch on (* 2.0 (- (* x x) (* x y))) from (#<alt (λ (x y) (* (* x (- x y)) 2.0))> #<alt (λ (x y) (* 2.0 (- (* x x) (* x y))))>)
6.277 * * * * [regimes]: Trying to branch on y from (#<alt (λ (x y) (* (* x (- x y)) 2.0))> #<alt (λ (x y) (* 2.0 (- (* x x) (* x y))))>)
6.289 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x y) (* (* x (- x y)) 2.0))> #<alt (λ (x y) (* 2.0 (- (* x x) (* x y))))>)
6.301 * * * [regime]: Found split indices: #<option (#s(si 1 255))>
6.301 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (* 2.0 (- (* x x) (* x y)))
6.302 * * [simplify]: iteration  0 :  7  enodes  (cost  9 )
6.302 * * [simplify]: iteration  1 :  9  enodes  (cost  9 )
6.302 * * [simplify]: iteration  done :  9  enodes  (cost  9 )
6.302 * [simplify]: Simplified to:
   (* 2.0 (- (* x x) (* x y)))
6.764 * [regime-testing]: Baseline error score: 0.01564819664976151
6.765 * [regime-testing]: Oracle error score: 0.00900112514064258
6.767 * [regime-testing]: End program error score: 0.01564819664976151
6.783 * [regime-testing]: Target error score: 0.009751218902362795