13.103 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.176 * * * [progress]: [2/2] Setting up program.
0.179 * [progress]: [Phase 2 of 3] Improving.
0.180 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (* 2.0 (- (* x x) (* x y)))
0.182 * * [simplify]: iteration  0 :  13  enodes  (cost  3 )
0.183 * * [simplify]: iteration  1 :  32  enodes  (cost  3 )
0.184 * * [simplify]: iteration  2 :  66  enodes  (cost  3 )
0.186 * * [simplify]: iteration  3 :  92  enodes  (cost  3 )
0.188 * * [simplify]: iteration  4 :  100  enodes  (cost  3 )
0.190 * * [simplify]: iteration  5 :  100  enodes  (cost  3 )
0.190 * [simplify]: Simplified to:
   (* (* x (- x y)) 2.0)
0.194 * * [progress]: iteration 1 / 4
0.194 * * * [progress]: picking best candidate
0.196 * * * * [pick]: Picked  #<alt (λ (x y) (* 2.0 (- (* x x) (* x y))))>
0.196 * * * [progress]: localizing error
0.201 * * * [progress]: generating rewritten candidates
0.201 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.208 * * * [progress]: generating series expansions
0.208 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.208 * [approximate]: Taking taylor expansion of (* 2.0 (- (pow x 2) (* x y))) in (x y) around 0
0.208 * [taylor]: Taking taylor expansion of (* 2.0 (- (pow x 2) (* x y))) in y
0.208 * [taylor]: Taking taylor expansion of 2.0 in y
0.208 * [taylor]: Taking taylor expansion of (- (pow x 2) (* x y)) in y
0.208 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.208 * [taylor]: Taking taylor expansion of x in y
0.208 * [taylor]: Taking taylor expansion of (* x y) in y
0.208 * [taylor]: Taking taylor expansion of x in y
0.208 * [taylor]: Taking taylor expansion of y in y
0.208 * [taylor]: Taking taylor expansion of (* 2.0 (- (pow x 2) (* x y))) in x
0.208 * [taylor]: Taking taylor expansion of 2.0 in x
0.208 * [taylor]: Taking taylor expansion of (- (pow x 2) (* x y)) in x
0.208 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.208 * [taylor]: Taking taylor expansion of x in x
0.208 * [taylor]: Taking taylor expansion of (* x y) in x
0.208 * [taylor]: Taking taylor expansion of x in x
0.208 * [taylor]: Taking taylor expansion of y in x
0.208 * [taylor]: Taking taylor expansion of (* 2.0 (- (pow x 2) (* x y))) in x
0.208 * [taylor]: Taking taylor expansion of 2.0 in x
0.208 * [taylor]: Taking taylor expansion of (- (pow x 2) (* x y)) in x
0.208 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.208 * [taylor]: Taking taylor expansion of x in x
0.208 * [taylor]: Taking taylor expansion of (* x y) in x
0.208 * [taylor]: Taking taylor expansion of x in x
0.208 * [taylor]: Taking taylor expansion of y in x
0.208 * [taylor]: Taking taylor expansion of 0 in y
0.209 * [taylor]: Taking taylor expansion of (neg (* 2.0 y)) in y
0.209 * [taylor]: Taking taylor expansion of (* 2.0 y) in y
0.209 * [taylor]: Taking taylor expansion of 2.0 in y
0.209 * [taylor]: Taking taylor expansion of y in y
0.209 * [taylor]: Taking taylor expansion of 2.0 in y
0.209 * [taylor]: Taking taylor expansion of 0 in y
0.209 * [taylor]: Taking taylor expansion of 0 in y
0.209 * [approximate]: Taking taylor expansion of (* 2.0 (- (/ 1 (pow x 2)) (/ 1 (* x y)))) in (x y) around 0
0.209 * [taylor]: Taking taylor expansion of (* 2.0 (- (/ 1 (pow x 2)) (/ 1 (* x y)))) in y
0.210 * [taylor]: Taking taylor expansion of 2.0 in y
0.210 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (* x y))) in y
0.210 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.210 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.210 * [taylor]: Taking taylor expansion of x in y
0.210 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in y
0.210 * [taylor]: Taking taylor expansion of (* x y) in y
0.210 * [taylor]: Taking taylor expansion of x in y
0.210 * [taylor]: Taking taylor expansion of y in y
0.210 * [taylor]: Taking taylor expansion of (* 2.0 (- (/ 1 (pow x 2)) (/ 1 (* x y)))) in x
0.210 * [taylor]: Taking taylor expansion of 2.0 in x
0.210 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (* x y))) in x
0.210 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.210 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.210 * [taylor]: Taking taylor expansion of x in x
0.210 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x
0.210 * [taylor]: Taking taylor expansion of (* x y) in x
0.210 * [taylor]: Taking taylor expansion of x in x
0.210 * [taylor]: Taking taylor expansion of y in x
0.210 * [taylor]: Taking taylor expansion of (* 2.0 (- (/ 1 (pow x 2)) (/ 1 (* x y)))) in x
0.210 * [taylor]: Taking taylor expansion of 2.0 in x
0.210 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (* x y))) in x
0.210 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.210 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.210 * [taylor]: Taking taylor expansion of x in x
0.210 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x
0.210 * [taylor]: Taking taylor expansion of (* x y) in x
0.210 * [taylor]: Taking taylor expansion of x in x
0.210 * [taylor]: Taking taylor expansion of y in x
0.210 * [taylor]: Taking taylor expansion of 2.0 in y
0.210 * [taylor]: Taking taylor expansion of (neg (* 2.0 (/ 1 y))) in y
0.210 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 y)) in y
0.210 * [taylor]: Taking taylor expansion of 2.0 in y
0.211 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.211 * [taylor]: Taking taylor expansion of y in y
0.211 * [taylor]: Taking taylor expansion of 0 in y
0.211 * [taylor]: Taking taylor expansion of 0 in y
0.212 * [taylor]: Taking taylor expansion of 0 in y
0.212 * [approximate]: Taking taylor expansion of (* 2.0 (- (/ 1 (pow x 2)) (/ 1 (* x y)))) in (x y) around 0
0.212 * [taylor]: Taking taylor expansion of (* 2.0 (- (/ 1 (pow x 2)) (/ 1 (* x y)))) in y
0.212 * [taylor]: Taking taylor expansion of 2.0 in y
0.212 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (* x y))) in y
0.212 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.212 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.212 * [taylor]: Taking taylor expansion of x in y
0.212 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in y
0.212 * [taylor]: Taking taylor expansion of (* x y) in y
0.212 * [taylor]: Taking taylor expansion of x in y
0.212 * [taylor]: Taking taylor expansion of y in y
0.212 * [taylor]: Taking taylor expansion of (* 2.0 (- (/ 1 (pow x 2)) (/ 1 (* x y)))) in x
0.212 * [taylor]: Taking taylor expansion of 2.0 in x
0.212 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (* x y))) in x
0.212 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.212 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.212 * [taylor]: Taking taylor expansion of x in x
0.212 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x
0.212 * [taylor]: Taking taylor expansion of (* x y) in x
0.212 * [taylor]: Taking taylor expansion of x in x
0.212 * [taylor]: Taking taylor expansion of y in x
0.212 * [taylor]: Taking taylor expansion of (* 2.0 (- (/ 1 (pow x 2)) (/ 1 (* x y)))) in x
0.212 * [taylor]: Taking taylor expansion of 2.0 in x
0.212 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (* x y))) in x
0.212 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.212 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.212 * [taylor]: Taking taylor expansion of x in x
0.212 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x
0.213 * [taylor]: Taking taylor expansion of (* x y) in x
0.213 * [taylor]: Taking taylor expansion of x in x
0.213 * [taylor]: Taking taylor expansion of y in x
0.213 * [taylor]: Taking taylor expansion of 2.0 in y
0.213 * [taylor]: Taking taylor expansion of (neg (* 2.0 (/ 1 y))) in y
0.213 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 y)) in y
0.213 * [taylor]: Taking taylor expansion of 2.0 in y
0.213 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.213 * [taylor]: Taking taylor expansion of y in y
0.213 * [taylor]: Taking taylor expansion of 0 in y
0.213 * [taylor]: Taking taylor expansion of 0 in y
0.214 * [taylor]: Taking taylor expansion of 0 in y
0.214 * * * [progress]: simplifying candidates
0.215 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (* 2.0 (- (* x x) (* x y)))
  (+ (log 2.0) (log (- (* x x) (* x y))))
  (log (* 2.0 (- (* x x) (* x y))))
  (exp (* 2.0 (- (* x x) (* x y))))
  (* (* (* 2.0 2.0) 2.0) (* (* (- (* x x) (* x y)) (- (* x x) (* x y))) (- (* x x) (* x y))))
  (* (cbrt (* 2.0 (- (* x x) (* x y)))) (cbrt (* 2.0 (- (* x x) (* x y)))))
  (cbrt (* 2.0 (- (* x x) (* x y))))
  (* (* (* 2.0 (- (* x x) (* x y))) (* 2.0 (- (* x x) (* x y)))) (* 2.0 (- (* x x) (* x y))))
  (sqrt (* 2.0 (- (* x x) (* x y))))
  (sqrt (* 2.0 (- (* x x) (* x y))))
  (* (sqrt 2.0) (sqrt (- (* x x) (* x y))))
  (* (sqrt 2.0) (sqrt (- (* x x) (* x y))))
  (* 2.0 (* x x))
  (* 2.0 (neg (* x y)))
  (* 2.0 (* x x))
  (* 2.0 (neg (* x y)))
  (* (* x x) 2.0)
  (* (neg (* x y)) 2.0)
  (* (* x x) 2.0)
  (* (neg (* x y)) 2.0)
  (* 2.0 (* (cbrt (- (* x x) (* x y))) (cbrt (- (* x x) (* x y)))))
  (* 2.0 (sqrt (- (* x x) (* x y))))
  (* 2.0 1)
  (* 2.0 x)
  (* (cbrt 2.0) (- (* x x) (* x y)))
  (* (sqrt 2.0) (- (* x x) (* x y)))
  (* 2.0 (- (* x x) (* x y)))
  (* 2.0 (- (pow (* x x) 3) (pow (* x y) 3)))
  (* 2.0 (- (* (* x x) (* x x)) (* (* x y) (* 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)) (* 2.0 (* x y)))
0.218 * * [simplify]: iteration  0 :  137  enodes  (cost  151 )
0.221 * * [simplify]: iteration  1 :  657  enodes  (cost  131 )
0.238 * * [simplify]: iteration  2 :  3977  enodes  (cost  129 )
0.334 * * [simplify]: iteration  3 :  5002  enodes  (cost  129 )
0.336 * [simplify]: Simplified to:
   (* (* x (- x y)) 2.0)
  (log (* (* x (- x y)) 2.0))
  (log (* (* x (- x y)) 2.0))
  (pow (exp 2.0) (* x (- x y)))
  (pow (* (* x (- x y)) 2.0) 3)
  (* (cbrt (* 2.0 (- (* x x) (* x y)))) (cbrt (* 2.0 (- (* x x) (* x y)))))
  (cbrt (* 2.0 (- (* x x) (* x y))))
  (pow (* (* x (- x y)) 2.0) 3)
  (sqrt (* 2.0 (- (* x x) (* x y))))
  (sqrt (* 2.0 (- (* x x) (* x y))))
  (* (sqrt 2.0) (sqrt (- (* x x) (* x y))))
  (* (sqrt 2.0) (sqrt (- (* x x) (* x y))))
  (* 2.0 (* x x))
  (* 2.0 (neg (* x y)))
  (* 2.0 (* x x))
  (* 2.0 (neg (* x y)))
  (* 2.0 (* x x))
  (* 2.0 (neg (* x y)))
  (* 2.0 (* x x))
  (* 2.0 (neg (* x y)))
  (* 2.0 (* (cbrt (- (* x x) (* x y))) (cbrt (- (* x x) (* x y)))))
  (* 2.0 (sqrt (- (* x x) (* x y))))
  2.0
  (* 2.0 x)
  (* (* x (- x y)) (cbrt 2.0))
  (* (* x (- x y)) (sqrt 2.0))
  (* (* x (- x y)) 2.0)
  (* 2.0 (- (pow (* x x) 3) (pow (* x y) 3)))
  (* (* 2.0 (* x (+ x y))) (* x (- x y)))
  (* (* x (- x y)) 2.0)
  (* (* x (- x y)) 2.0)
  (* (* x (- x y)) 2.0)
0.336 * * * [progress]: adding candidates to table
0.365 * * [progress]: iteration 2 / 4
0.365 * * * [progress]: picking best candidate
0.367 * * * * [pick]: Picked  #<alt (λ (x y) (* (* 2.0 x) (- x y)))>
0.367 * * * [progress]: localizing error
0.372 * * * [progress]: generating rewritten candidates
0.372 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.379 * * * [progress]: generating series expansions
0.379 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.380 * [approximate]: Taking taylor expansion of (* 2.0 (* x (- x y))) in (x y) around 0
0.380 * [taylor]: Taking taylor expansion of (* 2.0 (* x (- x y))) in y
0.380 * [taylor]: Taking taylor expansion of 2.0 in y
0.380 * [taylor]: Taking taylor expansion of (* x (- x y)) in y
0.380 * [taylor]: Taking taylor expansion of x in y
0.380 * [taylor]: Taking taylor expansion of (- x y) in y
0.380 * [taylor]: Taking taylor expansion of x in y
0.380 * [taylor]: Taking taylor expansion of y in y
0.380 * [taylor]: Taking taylor expansion of (* 2.0 (* x (- x y))) in x
0.380 * [taylor]: Taking taylor expansion of 2.0 in x
0.380 * [taylor]: Taking taylor expansion of (* x (- x y)) in x
0.380 * [taylor]: Taking taylor expansion of x in x
0.380 * [taylor]: Taking taylor expansion of (- x y) in x
0.380 * [taylor]: Taking taylor expansion of x in x
0.380 * [taylor]: Taking taylor expansion of y in x
0.380 * [taylor]: Taking taylor expansion of (* 2.0 (* x (- x y))) in x
0.380 * [taylor]: Taking taylor expansion of 2.0 in x
0.380 * [taylor]: Taking taylor expansion of (* x (- x y)) in x
0.380 * [taylor]: Taking taylor expansion of x in x
0.380 * [taylor]: Taking taylor expansion of (- x y) in x
0.380 * [taylor]: Taking taylor expansion of x in x
0.380 * [taylor]: Taking taylor expansion of y in x
0.380 * [taylor]: Taking taylor expansion of 0 in y
0.380 * [taylor]: Taking taylor expansion of (neg (* 2.0 y)) in y
0.380 * [taylor]: Taking taylor expansion of (* 2.0 y) in y
0.380 * [taylor]: Taking taylor expansion of 2.0 in y
0.380 * [taylor]: Taking taylor expansion of y in y
0.380 * [taylor]: Taking taylor expansion of 2.0 in y
0.381 * [taylor]: Taking taylor expansion of 0 in y
0.381 * [taylor]: Taking taylor expansion of 0 in y
0.381 * [approximate]: Taking taylor expansion of (* 2.0 (/ (- (/ 1 x) (/ 1 y)) x)) in (x y) around 0
0.381 * [taylor]: Taking taylor expansion of (* 2.0 (/ (- (/ 1 x) (/ 1 y)) x)) in y
0.381 * [taylor]: Taking taylor expansion of 2.0 in y
0.381 * [taylor]: Taking taylor expansion of (/ (- (/ 1 x) (/ 1 y)) x) in y
0.381 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in y
0.381 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.381 * [taylor]: Taking taylor expansion of x in y
0.381 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.381 * [taylor]: Taking taylor expansion of y in y
0.381 * [taylor]: Taking taylor expansion of x in y
0.381 * [taylor]: Taking taylor expansion of (* 2.0 (/ (- (/ 1 x) (/ 1 y)) x)) in x
0.381 * [taylor]: Taking taylor expansion of 2.0 in x
0.381 * [taylor]: Taking taylor expansion of (/ (- (/ 1 x) (/ 1 y)) x) in x
0.381 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
0.381 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.381 * [taylor]: Taking taylor expansion of x in x
0.381 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.381 * [taylor]: Taking taylor expansion of y in x
0.381 * [taylor]: Taking taylor expansion of x in x
0.381 * [taylor]: Taking taylor expansion of (* 2.0 (/ (- (/ 1 x) (/ 1 y)) x)) in x
0.381 * [taylor]: Taking taylor expansion of 2.0 in x
0.381 * [taylor]: Taking taylor expansion of (/ (- (/ 1 x) (/ 1 y)) x) in x
0.381 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
0.381 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.381 * [taylor]: Taking taylor expansion of x in x
0.382 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.382 * [taylor]: Taking taylor expansion of y in x
0.382 * [taylor]: Taking taylor expansion of x in x
0.382 * [taylor]: Taking taylor expansion of 2.0 in y
0.382 * [taylor]: Taking taylor expansion of (neg (* 2.0 (/ 1 y))) in y
0.382 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 y)) in y
0.382 * [taylor]: Taking taylor expansion of 2.0 in y
0.382 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.382 * [taylor]: Taking taylor expansion of y in y
0.382 * [taylor]: Taking taylor expansion of 0 in y
0.383 * [taylor]: Taking taylor expansion of 0 in y
0.383 * [taylor]: Taking taylor expansion of 0 in y
0.383 * [approximate]: Taking taylor expansion of (* -2.0 (/ (- (/ 1 y) (/ 1 x)) x)) in (x y) around 0
0.383 * [taylor]: Taking taylor expansion of (* -2.0 (/ (- (/ 1 y) (/ 1 x)) x)) in y
0.383 * [taylor]: Taking taylor expansion of -2.0 in y
0.383 * [taylor]: Taking taylor expansion of (/ (- (/ 1 y) (/ 1 x)) x) in y
0.383 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in y
0.383 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.383 * [taylor]: Taking taylor expansion of y in y
0.383 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.383 * [taylor]: Taking taylor expansion of x in y
0.383 * [taylor]: Taking taylor expansion of x in y
0.383 * [taylor]: Taking taylor expansion of (* -2.0 (/ (- (/ 1 y) (/ 1 x)) x)) in x
0.383 * [taylor]: Taking taylor expansion of -2.0 in x
0.383 * [taylor]: Taking taylor expansion of (/ (- (/ 1 y) (/ 1 x)) x) in x
0.383 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
0.383 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.384 * [taylor]: Taking taylor expansion of y in x
0.384 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.384 * [taylor]: Taking taylor expansion of x in x
0.384 * [taylor]: Taking taylor expansion of x in x
0.384 * [taylor]: Taking taylor expansion of (* -2.0 (/ (- (/ 1 y) (/ 1 x)) x)) in x
0.384 * [taylor]: Taking taylor expansion of -2.0 in x
0.384 * [taylor]: Taking taylor expansion of (/ (- (/ 1 y) (/ 1 x)) x) in x
0.384 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
0.384 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.384 * [taylor]: Taking taylor expansion of y in x
0.384 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.384 * [taylor]: Taking taylor expansion of x in x
0.384 * [taylor]: Taking taylor expansion of x in x
0.384 * [taylor]: Taking taylor expansion of 2.0 in y
0.384 * [taylor]: Taking taylor expansion of (neg (* 2.0 (/ 1 y))) in y
0.384 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 y)) in y
0.384 * [taylor]: Taking taylor expansion of 2.0 in y
0.384 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.384 * [taylor]: Taking taylor expansion of y in y
0.385 * [taylor]: Taking taylor expansion of 0 in y
0.385 * [taylor]: Taking taylor expansion of 0 in y
0.385 * [taylor]: Taking taylor expansion of 0 in y
0.386 * * * [progress]: simplifying candidates
0.386 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (* (* 2.0 x) (- x y))
  (* (* 2.0 x) (- x y))
  (+ (+ (log 2.0) (log x)) (log (- x y)))
  (+ (log (* 2.0 x)) (log (- x y)))
  (log (* (* 2.0 x) (- x y)))
  (exp (* (* 2.0 x) (- x y)))
  (* (* (* (* 2.0 2.0) 2.0) (* (* x x) x)) (* (* (- x y) (- x y)) (- x y)))
  (* (* (* (* 2.0 x) (* 2.0 x)) (* 2.0 x)) (* (* (- x y) (- x y)) (- x y)))
  (* (cbrt (* (* 2.0 x) (- x y))) (cbrt (* (* 2.0 x) (- x y))))
  (cbrt (* (* 2.0 x) (- x y)))
  (* (* (* (* 2.0 x) (- x y)) (* (* 2.0 x) (- x y))) (* (* 2.0 x) (- x y)))
  (sqrt (* (* 2.0 x) (- x y)))
  (sqrt (* (* 2.0 x) (- x y)))
  (* (* 2.0 x) x)
  (* (* 2.0 x) (neg y))
  (* (* 2.0 x) x)
  (* (* 2.0 x) (neg y))
  (* x (* 2.0 x))
  (* (neg y) (* 2.0 x))
  (* x (* 2.0 x))
  (* (neg y) (* 2.0 x))
  (* (* 2.0 x) (* (cbrt (- x y)) (cbrt (- x y))))
  (* (* 2.0 x) (sqrt (- x y)))
  (* (* 2.0 x) 1)
  (* (* 2.0 x) (+ (sqrt x) (sqrt y)))
  (* (* 2.0 x) 1)
  (* x (- x y))
  (* (* 2.0 x) (- (pow x 3) (pow y 3)))
  (* (* 2.0 x) (- (* x x) (* y y)))
  (- (* 2.0 (pow x 2)) (* 2.0 (* x y)))
  (- (* 2.0 (pow x 2)) (* 2.0 (* x y)))
  (- (* 2.0 (pow x 2)) (* 2.0 (* x y)))
0.389 * * [simplify]: iteration  0 :  171  enodes  (cost  137 )
0.394 * * [simplify]: iteration  1 :  836  enodes  (cost  114 )
0.416 * * [simplify]: iteration  2 :  5001  enodes  (cost  114 )
0.417 * [simplify]: Simplified to:
   (* (* 2.0 x) (- x y))
  (* (* 2.0 x) (- x y))
  (log (* (* 2.0 x) (- x y)))
  (log (* (* 2.0 x) (- x y)))
  (log (* (* 2.0 x) (- x y)))
  (exp (* (* 2.0 x) (- x y)))
  (pow (* (* 2.0 x) (- x y)) 3)
  (pow (* (* 2.0 x) (- x y)) 3)
  (* (cbrt (* (* 2.0 x) (- x y))) (cbrt (* (* 2.0 x) (- x y))))
  (cbrt (* (* 2.0 x) (- x y)))
  (pow (* (* 2.0 x) (- x y)) 3)
  (sqrt (* (* 2.0 x) (- x y)))
  (sqrt (* (* 2.0 x) (- x y)))
  (* (* 2.0 x) x)
  (* (* 2.0 x) (neg y))
  (* (* 2.0 x) x)
  (* (* 2.0 x) (neg y))
  (* (* 2.0 x) x)
  (* (* 2.0 x) (neg y))
  (* (* 2.0 x) x)
  (* (* 2.0 x) (neg y))
  (* (* 2.0 x) (* (cbrt (- x y)) (cbrt (- x y))))
  (* (* 2.0 x) (sqrt (- x y)))
  (* 2.0 x)
  (* (* 2.0 x) (+ (sqrt x) (sqrt y)))
  (* 2.0 x)
  (* x (- 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))
0.417 * * * [progress]: adding candidates to table
0.437 * [progress]: [Phase 3 of 3] Extracting.
0.437 * * [regime]: Finding splitpoints for: (#<alt (λ (x y) (* 2.0 (- (* x x) (* x y))))> #<alt (λ (x y) (* (* 2.0 x) (- x y)))>)
0.437 * * * [regime-changes]: Trying 4 branch expressions: ((- (* x x) (* x y)) (* 2.0 (- (* x x) (* x y))) y x)
0.437 * * * * [regimes]: Trying to branch on (- (* x x) (* x y)) from (#<alt (λ (x y) (* 2.0 (- (* x x) (* x y))))> #<alt (λ (x y) (* (* 2.0 x) (- x y)))>)
0.468 * * * * [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) (* (* 2.0 x) (- x y)))>)
0.501 * * * * [regimes]: Trying to branch on y from (#<alt (λ (x y) (* 2.0 (- (* x x) (* x y))))> #<alt (λ (x y) (* (* 2.0 x) (- x y)))>)
0.530 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x y) (* 2.0 (- (* x x) (* x y))))> #<alt (λ (x y) (* (* 2.0 x) (- x y)))>)
0.560 * * * [regime]: Found split indices: #<option (#s(si 0 255))>
0.561 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (* 2.0 (- (* x x) (* x y)))
0.561 * * [simplify]: iteration  0 :  9  enodes  (cost  4 )
0.562 * * [simplify]: iteration  1 :  9  enodes  (cost  4 )
0.562 * [simplify]: Simplified to:
   (* 2.0 (- (* x x) (* x y)))
1.397 * [regime-testing]: End program error score: 0.01889860295054911
1.460 * [regime-testing]: Target error score: 0.01050131266408301