9.635 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.022 * * * [progress]: [2/2] Setting up program.
0.025 * [progress]: [Phase 2 of 3] Improving.
0.025 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (* 2.0 (+ (* x x) (* x y)))
0.026 * * [simplify]: iteration  0 :  7  enodes  (cost  9 )
0.027 * * [simplify]: iteration  1 :  18  enodes  (cost  7 )
0.029 * * [simplify]: iteration  2 :  35  enodes  (cost  7 )
0.034 * * [simplify]: iteration  3 :  47  enodes  (cost  7 )
0.039 * * [simplify]: iteration  4 :  49  enodes  (cost  7 )
0.044 * * [simplify]: iteration  done :  49  enodes  (cost  7 )
0.044 * [simplify]: Simplified to:
   (* (* x (+ x y)) 2.0)
0.048 * * [progress]: iteration 1 / 4
0.048 * * * [progress]: picking best candidate
0.050 * * * * [pick]: Picked  #<alt (λ (x y) (* (* x (+ x y)) 2.0))>
0.050 * * * [progress]: localizing error
0.055 * * * [progress]: generating rewritten candidates
0.055 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.079 * * * [progress]: generating series expansions
0.080 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.080 * [approximate]: Taking taylor expansion of (* 2.0 (* (+ x y) x)) in (x y) around 0
0.080 * [taylor]: Taking taylor expansion of (* 2.0 (* (+ x y) x)) in y
0.080 * [taylor]: Taking taylor expansion of 2.0 in y
0.080 * [taylor]: Taking taylor expansion of (* (+ x y) x) in y
0.080 * [taylor]: Taking taylor expansion of (+ x y) in y
0.080 * [taylor]: Taking taylor expansion of x in y
0.080 * [taylor]: Taking taylor expansion of y in y
0.080 * [taylor]: Taking taylor expansion of x in y
0.080 * [taylor]: Taking taylor expansion of (* 2.0 (* (+ x y) x)) in x
0.080 * [taylor]: Taking taylor expansion of 2.0 in x
0.080 * [taylor]: Taking taylor expansion of (* (+ x y) x) in x
0.080 * [taylor]: Taking taylor expansion of (+ x y) in x
0.080 * [taylor]: Taking taylor expansion of x in x
0.080 * [taylor]: Taking taylor expansion of y in x
0.080 * [taylor]: Taking taylor expansion of x in x
0.080 * [taylor]: Taking taylor expansion of (* 2.0 (* (+ x y) x)) in x
0.080 * [taylor]: Taking taylor expansion of 2.0 in x
0.080 * [taylor]: Taking taylor expansion of (* (+ x y) x) in x
0.080 * [taylor]: Taking taylor expansion of (+ x y) in x
0.080 * [taylor]: Taking taylor expansion of x in x
0.080 * [taylor]: Taking taylor expansion of y in x
0.080 * [taylor]: Taking taylor expansion of x in x
0.080 * [taylor]: Taking taylor expansion of 0 in y
0.080 * [taylor]: Taking taylor expansion of (* 2.0 y) in y
0.080 * [taylor]: Taking taylor expansion of 2.0 in y
0.080 * [taylor]: Taking taylor expansion of y in y
0.080 * [taylor]: Taking taylor expansion of 2.0 in y
0.081 * [taylor]: Taking taylor expansion of 0 in y
0.081 * [taylor]: Taking taylor expansion of 0 in y
0.081 * [approximate]: Taking taylor expansion of (* 2.0 (/ (+ (/ 1 x) (/ 1 y)) x)) in (x y) around 0
0.081 * [taylor]: Taking taylor expansion of (* 2.0 (/ (+ (/ 1 x) (/ 1 y)) x)) in y
0.081 * [taylor]: Taking taylor expansion of 2.0 in y
0.081 * [taylor]: Taking taylor expansion of (/ (+ (/ 1 x) (/ 1 y)) x) in y
0.081 * [taylor]: Taking taylor expansion of (+ (/ 1 x) (/ 1 y)) in y
0.081 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.081 * [taylor]: Taking taylor expansion of x in y
0.081 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.081 * [taylor]: Taking taylor expansion of y in y
0.081 * [taylor]: Taking taylor expansion of x in y
0.081 * [taylor]: Taking taylor expansion of (* 2.0 (/ (+ (/ 1 x) (/ 1 y)) x)) in x
0.081 * [taylor]: Taking taylor expansion of 2.0 in x
0.081 * [taylor]: Taking taylor expansion of (/ (+ (/ 1 x) (/ 1 y)) x) in x
0.081 * [taylor]: Taking taylor expansion of (+ (/ 1 x) (/ 1 y)) in x
0.081 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.081 * [taylor]: Taking taylor expansion of x in x
0.081 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.081 * [taylor]: Taking taylor expansion of y in x
0.082 * [taylor]: Taking taylor expansion of x in x
0.082 * [taylor]: Taking taylor expansion of (* 2.0 (/ (+ (/ 1 x) (/ 1 y)) x)) in x
0.082 * [taylor]: Taking taylor expansion of 2.0 in x
0.082 * [taylor]: Taking taylor expansion of (/ (+ (/ 1 x) (/ 1 y)) x) in x
0.082 * [taylor]: Taking taylor expansion of (+ (/ 1 x) (/ 1 y)) in x
0.082 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.082 * [taylor]: Taking taylor expansion of x in x
0.082 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.082 * [taylor]: Taking taylor expansion of y in x
0.082 * [taylor]: Taking taylor expansion of x in x
0.082 * [taylor]: Taking taylor expansion of 2.0 in y
0.082 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 y)) in y
0.082 * [taylor]: Taking taylor expansion of 2.0 in y
0.082 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.082 * [taylor]: Taking taylor expansion of y in y
0.082 * [taylor]: Taking taylor expansion of 0 in y
0.083 * [taylor]: Taking taylor expansion of 0 in y
0.083 * [taylor]: Taking taylor expansion of 0 in y
0.083 * [approximate]: Taking taylor expansion of (* 2.0 (/ (+ (/ 1 x) (/ 1 y)) x)) in (x y) around 0
0.083 * [taylor]: Taking taylor expansion of (* 2.0 (/ (+ (/ 1 x) (/ 1 y)) x)) in y
0.083 * [taylor]: Taking taylor expansion of 2.0 in y
0.083 * [taylor]: Taking taylor expansion of (/ (+ (/ 1 x) (/ 1 y)) x) in y
0.083 * [taylor]: Taking taylor expansion of (+ (/ 1 x) (/ 1 y)) in y
0.084 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.084 * [taylor]: Taking taylor expansion of x in y
0.084 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.084 * [taylor]: Taking taylor expansion of y in y
0.084 * [taylor]: Taking taylor expansion of x in y
0.084 * [taylor]: Taking taylor expansion of (* 2.0 (/ (+ (/ 1 x) (/ 1 y)) x)) in x
0.084 * [taylor]: Taking taylor expansion of 2.0 in x
0.084 * [taylor]: Taking taylor expansion of (/ (+ (/ 1 x) (/ 1 y)) x) in x
0.084 * [taylor]: Taking taylor expansion of (+ (/ 1 x) (/ 1 y)) in x
0.084 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.084 * [taylor]: Taking taylor expansion of x in x
0.084 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.084 * [taylor]: Taking taylor expansion of y in x
0.084 * [taylor]: Taking taylor expansion of x in x
0.084 * [taylor]: Taking taylor expansion of (* 2.0 (/ (+ (/ 1 x) (/ 1 y)) x)) in x
0.084 * [taylor]: Taking taylor expansion of 2.0 in x
0.084 * [taylor]: Taking taylor expansion of (/ (+ (/ 1 x) (/ 1 y)) x) in x
0.084 * [taylor]: Taking taylor expansion of (+ (/ 1 x) (/ 1 y)) in x
0.084 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.084 * [taylor]: Taking taylor expansion of x in x
0.084 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.084 * [taylor]: Taking taylor expansion of y in x
0.084 * [taylor]: Taking taylor expansion of x in x
0.084 * [taylor]: Taking taylor expansion of 2.0 in y
0.084 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 y)) in y
0.084 * [taylor]: Taking taylor expansion of 2.0 in y
0.084 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.084 * [taylor]: Taking taylor expansion of y in y
0.085 * [taylor]: Taking taylor expansion of 0 in y
0.085 * [taylor]: Taking taylor expansion of 0 in y
0.086 * [taylor]: Taking taylor expansion of 0 in y
0.086 * * * [progress]: simplifying candidates
0.086 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (* (* x (+ x y)) 2.0)
  (* (* x (+ x y)) 2.0)
  (+ (+ (log x) (log (+ x y))) (log 2.0))
  (+ (log (* x (+ x y))) (log 2.0))
  (log (* (* x (+ x y)) 2.0))
  (exp (* (* x (+ x y)) 2.0))
  (* (* (* (* x x) x) (* (* (+ x y) (+ x y)) (+ x y))) (* (* 2.0 2.0) 2.0))
  (* (* (* (* x (+ x y)) (* x (+ x y))) (* x (+ x y))) (* (* 2.0 2.0) 2.0))
  (* (cbrt (* (* x (+ x y)) 2.0)) (cbrt (* (* x (+ x y)) 2.0)))
  (cbrt (* (* x (+ x y)) 2.0))
  (* (* (* (* x (+ x y)) 2.0) (* (* x (+ x y)) 2.0)) (* (* x (+ x y)) 2.0))
  (sqrt (* (* x (+ x y)) 2.0))
  (sqrt (* (* x (+ x y)) 2.0))
  (* (* x (+ x y)) (* (cbrt 2.0) (cbrt 2.0)))
  (* (* x (+ x y)) (sqrt 2.0))
  (* (* x (+ x y)) 1)
  (* (+ x y) 2.0)
  (* (* x (+ (pow x 3) (pow y 3))) 2.0)
  (* (* x (- (* x x) (* y y))) 2.0)
  (+ (* 2.0 (* x y)) (* 2.0 (pow x 2)))
  (+ (* 2.0 (* x y)) (* 2.0 (pow x 2)))
  (+ (* 2.0 (* x y)) (* 2.0 (pow x 2)))
0.088 * * [simplify]: iteration  0 :  55  enodes  (cost  245 )
0.096 * * [simplify]: iteration  1 :  165  enodes  (cost  234 )
0.132 * * [simplify]: iteration  2 :  722  enodes  (cost  190 )
0.455 * * [simplify]: iteration  3 :  3417  enodes  (cost  186 )
1.261 * * [simplify]: iteration  done :  5000  enodes  (cost  186 )
1.261 * [simplify]: Simplified to:
   (* x (* (+ x y) 2.0))
  (* x (* (+ x y) 2.0))
  (log (* (* x (+ x y)) 2.0))
  (log (* (* x (+ x y)) 2.0))
  (log (* (* x (+ x y)) 2.0))
  (exp (* (* x (+ x y)) 2.0))
  (pow (* (* x (+ x y)) 2.0) 3)
  (pow (* (* x (+ x y)) 2.0) 3)
  (* (cbrt (* (* x (+ x y)) 2.0)) (cbrt (* (* x (+ x y)) 2.0)))
  (cbrt (* (* x (+ x y)) 2.0))
  (pow (* (* x (+ x y)) 2.0) 3)
  (sqrt (* (* x (+ x y)) 2.0))
  (sqrt (* (* x (+ x y)) 2.0))
  (* (* x (+ x y)) (* (cbrt 2.0) (cbrt 2.0)))
  (* (* x (+ x y)) (sqrt 2.0))
  (* x (+ x y))
  (* (+ x y) 2.0)
  (* (* x (+ (pow x 3) (pow y 3))) 2.0)
  (* (* x (- (* x x) (* y y))) 2.0)
  (* x (* (+ x y) 2.0))
  (* x (* (+ x y) 2.0))
  (* x (* (+ x y) 2.0))
1.261 * * * [progress]: adding candidates to table
1.284 * * [progress]: iteration 2 / 4
1.284 * * * [progress]: picking best candidate
1.286 * * * * [pick]: Picked  #<alt (λ (x y) (* x (* (+ x y) 2.0)))>
1.286 * * * [progress]: localizing error
1.290 * * * [progress]: generating rewritten candidates
1.290 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
1.298 * * * [progress]: generating series expansions
1.298 * * * * [progress]: [ 1 / 1 ] generating series at (2)
1.299 * [approximate]: Taking taylor expansion of (* 2.0 (* (+ x y) x)) in (x y) around 0
1.299 * [taylor]: Taking taylor expansion of (* 2.0 (* (+ x y) x)) in y
1.299 * [taylor]: Taking taylor expansion of 2.0 in y
1.299 * [taylor]: Taking taylor expansion of (* (+ x y) x) in y
1.299 * [taylor]: Taking taylor expansion of (+ x y) in y
1.299 * [taylor]: Taking taylor expansion of x in y
1.299 * [taylor]: Taking taylor expansion of y in y
1.299 * [taylor]: Taking taylor expansion of x in y
1.299 * [taylor]: Taking taylor expansion of (* 2.0 (* (+ x y) x)) in x
1.299 * [taylor]: Taking taylor expansion of 2.0 in x
1.299 * [taylor]: Taking taylor expansion of (* (+ x y) x) in x
1.299 * [taylor]: Taking taylor expansion of (+ x y) in x
1.299 * [taylor]: Taking taylor expansion of x in x
1.299 * [taylor]: Taking taylor expansion of y in x
1.299 * [taylor]: Taking taylor expansion of x in x
1.299 * [taylor]: Taking taylor expansion of (* 2.0 (* (+ x y) x)) in x
1.299 * [taylor]: Taking taylor expansion of 2.0 in x
1.299 * [taylor]: Taking taylor expansion of (* (+ x y) x) in x
1.299 * [taylor]: Taking taylor expansion of (+ x y) in x
1.299 * [taylor]: Taking taylor expansion of x in x
1.299 * [taylor]: Taking taylor expansion of y in x
1.299 * [taylor]: Taking taylor expansion of x in x
1.299 * [taylor]: Taking taylor expansion of 0 in y
1.299 * [taylor]: Taking taylor expansion of (* 2.0 y) in y
1.299 * [taylor]: Taking taylor expansion of 2.0 in y
1.299 * [taylor]: Taking taylor expansion of y in y
1.299 * [taylor]: Taking taylor expansion of 2.0 in y
1.300 * [taylor]: Taking taylor expansion of 0 in y
1.300 * [taylor]: Taking taylor expansion of 0 in y
1.300 * [approximate]: Taking taylor expansion of (* 2.0 (/ (+ (/ 1 x) (/ 1 y)) x)) in (x y) around 0
1.300 * [taylor]: Taking taylor expansion of (* 2.0 (/ (+ (/ 1 x) (/ 1 y)) x)) in y
1.300 * [taylor]: Taking taylor expansion of 2.0 in y
1.300 * [taylor]: Taking taylor expansion of (/ (+ (/ 1 x) (/ 1 y)) x) in y
1.300 * [taylor]: Taking taylor expansion of (+ (/ 1 x) (/ 1 y)) in y
1.300 * [taylor]: Taking taylor expansion of (/ 1 x) in y
1.300 * [taylor]: Taking taylor expansion of x in y
1.300 * [taylor]: Taking taylor expansion of (/ 1 y) in y
1.300 * [taylor]: Taking taylor expansion of y in y
1.300 * [taylor]: Taking taylor expansion of x in y
1.300 * [taylor]: Taking taylor expansion of (* 2.0 (/ (+ (/ 1 x) (/ 1 y)) x)) in x
1.300 * [taylor]: Taking taylor expansion of 2.0 in x
1.300 * [taylor]: Taking taylor expansion of (/ (+ (/ 1 x) (/ 1 y)) x) in x
1.300 * [taylor]: Taking taylor expansion of (+ (/ 1 x) (/ 1 y)) in x
1.300 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.300 * [taylor]: Taking taylor expansion of x in x
1.300 * [taylor]: Taking taylor expansion of (/ 1 y) in x
1.300 * [taylor]: Taking taylor expansion of y in x
1.300 * [taylor]: Taking taylor expansion of x in x
1.300 * [taylor]: Taking taylor expansion of (* 2.0 (/ (+ (/ 1 x) (/ 1 y)) x)) in x
1.301 * [taylor]: Taking taylor expansion of 2.0 in x
1.301 * [taylor]: Taking taylor expansion of (/ (+ (/ 1 x) (/ 1 y)) x) in x
1.301 * [taylor]: Taking taylor expansion of (+ (/ 1 x) (/ 1 y)) in x
1.301 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.301 * [taylor]: Taking taylor expansion of x in x
1.301 * [taylor]: Taking taylor expansion of (/ 1 y) in x
1.301 * [taylor]: Taking taylor expansion of y in x
1.301 * [taylor]: Taking taylor expansion of x in x
1.301 * [taylor]: Taking taylor expansion of 2.0 in y
1.301 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 y)) in y
1.301 * [taylor]: Taking taylor expansion of 2.0 in y
1.301 * [taylor]: Taking taylor expansion of (/ 1 y) in y
1.301 * [taylor]: Taking taylor expansion of y in y
1.301 * [taylor]: Taking taylor expansion of 0 in y
1.302 * [taylor]: Taking taylor expansion of 0 in y
1.302 * [taylor]: Taking taylor expansion of 0 in y
1.302 * [approximate]: Taking taylor expansion of (* 2.0 (/ (+ (/ 1 x) (/ 1 y)) x)) in (x y) around 0
1.302 * [taylor]: Taking taylor expansion of (* 2.0 (/ (+ (/ 1 x) (/ 1 y)) x)) in y
1.302 * [taylor]: Taking taylor expansion of 2.0 in y
1.302 * [taylor]: Taking taylor expansion of (/ (+ (/ 1 x) (/ 1 y)) x) in y
1.302 * [taylor]: Taking taylor expansion of (+ (/ 1 x) (/ 1 y)) in y
1.302 * [taylor]: Taking taylor expansion of (/ 1 x) in y
1.302 * [taylor]: Taking taylor expansion of x in y
1.302 * [taylor]: Taking taylor expansion of (/ 1 y) in y
1.302 * [taylor]: Taking taylor expansion of y in y
1.303 * [taylor]: Taking taylor expansion of x in y
1.303 * [taylor]: Taking taylor expansion of (* 2.0 (/ (+ (/ 1 x) (/ 1 y)) x)) in x
1.303 * [taylor]: Taking taylor expansion of 2.0 in x
1.303 * [taylor]: Taking taylor expansion of (/ (+ (/ 1 x) (/ 1 y)) x) in x
1.303 * [taylor]: Taking taylor expansion of (+ (/ 1 x) (/ 1 y)) in x
1.303 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.303 * [taylor]: Taking taylor expansion of x in x
1.303 * [taylor]: Taking taylor expansion of (/ 1 y) in x
1.303 * [taylor]: Taking taylor expansion of y in x
1.303 * [taylor]: Taking taylor expansion of x in x
1.303 * [taylor]: Taking taylor expansion of (* 2.0 (/ (+ (/ 1 x) (/ 1 y)) x)) in x
1.303 * [taylor]: Taking taylor expansion of 2.0 in x
1.303 * [taylor]: Taking taylor expansion of (/ (+ (/ 1 x) (/ 1 y)) x) in x
1.303 * [taylor]: Taking taylor expansion of (+ (/ 1 x) (/ 1 y)) in x
1.303 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.303 * [taylor]: Taking taylor expansion of x in x
1.303 * [taylor]: Taking taylor expansion of (/ 1 y) in x
1.303 * [taylor]: Taking taylor expansion of y in x
1.303 * [taylor]: Taking taylor expansion of x in x
1.303 * [taylor]: Taking taylor expansion of 2.0 in y
1.303 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 y)) in y
1.303 * [taylor]: Taking taylor expansion of 2.0 in y
1.303 * [taylor]: Taking taylor expansion of (/ 1 y) in y
1.303 * [taylor]: Taking taylor expansion of y in y
1.304 * [taylor]: Taking taylor expansion of 0 in y
1.304 * [taylor]: Taking taylor expansion of 0 in y
1.304 * [taylor]: Taking taylor expansion of 0 in y
1.305 * * * [progress]: simplifying candidates
1.305 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (* x (* (+ x y) 2.0))
  (* x (* (+ x y) 2.0))
  (+ (log x) (+ (log (+ x y)) (log 2.0)))
  (+ (log x) (log (* (+ x y) 2.0)))
  (log (* x (* (+ x y) 2.0)))
  (exp (* x (* (+ x y) 2.0)))
  (* (* (* x x) x) (* (* (* (+ x y) (+ x y)) (+ x y)) (* (* 2.0 2.0) 2.0)))
  (* (* (* x x) x) (* (* (* (+ x y) 2.0) (* (+ x y) 2.0)) (* (+ x y) 2.0)))
  (* (cbrt (* x (* (+ x y) 2.0))) (cbrt (* x (* (+ x y) 2.0))))
  (cbrt (* x (* (+ x y) 2.0)))
  (* (* (* x (* (+ x y) 2.0)) (* x (* (+ x y) 2.0))) (* x (* (+ x y) 2.0)))
  (sqrt (* x (* (+ x y) 2.0)))
  (sqrt (* x (* (+ x y) 2.0)))
  (* x (+ x y))
  (* (cbrt x) (* (+ x y) 2.0))
  (* (sqrt x) (* (+ x y) 2.0))
  (* x (* (+ x y) 2.0))
  (* x (* (+ (pow x 3) (pow y 3)) 2.0))
  (* x (* (- (* x x) (* y y)) 2.0))
  (+ (* 2.0 (* x y)) (* 2.0 (pow x 2)))
  (+ (* 2.0 (* x y)) (* 2.0 (pow x 2)))
  (+ (* 2.0 (* x y)) (* 2.0 (pow x 2)))
1.306 * * [simplify]: iteration  0 :  52  enodes  (cost  242 )
1.315 * * [simplify]: iteration  1 :  148  enodes  (cost  230 )
1.345 * * [simplify]: iteration  2 :  540  enodes  (cost  189 )
1.549 * * [simplify]: iteration  3 :  2252  enodes  (cost  185 )
2.251 * * [simplify]: iteration  done :  5001  enodes  (cost  185 )
2.252 * [simplify]: Simplified to:
   (* (* (+ x y) 2.0) x)
  (* (* (+ x y) 2.0) x)
  (log (* x (* (+ x y) 2.0)))
  (log (* x (* (+ x y) 2.0)))
  (log (* x (* (+ x y) 2.0)))
  (exp (* x (* (+ x y) 2.0)))
  (pow (* x (* (+ x y) 2.0)) 3)
  (pow (* x (* (+ x y) 2.0)) 3)
  (* (cbrt (* x (* (+ x y) 2.0))) (cbrt (* x (* (+ x y) 2.0))))
  (cbrt (* x (* (+ x y) 2.0)))
  (pow (* x (* (+ x y) 2.0)) 3)
  (sqrt (* x (* (+ x y) 2.0)))
  (sqrt (* x (* (+ x y) 2.0)))
  (* x (+ x y))
  (* (cbrt x) (* (+ x y) 2.0))
  (* (sqrt x) (* (+ x y) 2.0))
  (* (* (+ x y) 2.0) x)
  (* x (* (+ (pow x 3) (pow y 3)) 2.0))
  (* x (* (- (* x x) (* y y)) 2.0))
  (* (* (+ x y) 2.0) x)
  (* (* (+ x y) 2.0) x)
  (* (* (+ x y) 2.0) x)
2.252 * * * [progress]: adding candidates to table
2.271 * [progress]: [Phase 3 of 3] Extracting.
2.271 * * [regime]: Finding splitpoints for: (#<alt (λ (x y) (* x (* (+ x y) 2.0)))> #<alt (λ (x y) (* (* x (+ x y)) 2.0))>)
2.271 * * * [regime-changes]: Trying 2 branch expressions: (y x)
2.271 * * * * [regimes]: Trying to branch on y from (#<alt (λ (x y) (* x (* (+ x y) 2.0)))> #<alt (λ (x y) (* (* x (+ x y)) 2.0))>)
2.305 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x y) (* x (* (+ x y) 2.0)))> #<alt (λ (x y) (* (* x (+ x y)) 2.0))>)
2.338 * * * [regime]: Found split indices: #<option (#s(si 1 255))>
2.338 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (* (* x (+ x y)) 2.0)
2.338 * * [simplify]: iteration  0 :  6  enodes  (cost  7 )
2.338 * * [simplify]: iteration  1 :  9  enodes  (cost  7 )
2.339 * * [simplify]: iteration  done :  9  enodes  (cost  7 )
2.339 * [simplify]: Simplified to:
   (* (* x (+ x y)) 2.0)
3.251 * [regime-testing]: End program error score: 0.017002125265658207
3.316 * [regime-testing]: Target error score: 0.011001375171896487