4.942 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.015 * * * [progress]: [2/2] Setting up program.
0.016 * [progress]: [Phase 2 of 3] Improving.
0.017 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (+ (+ (* x x) y) y)
0.017 * [simplify]: Sending expressions to egg_math:
 (+ (+ (* h0 h0) h1) h1)
0.019 * * [simplify]: iteration  0 :  9  enodes  (cost  3 )
0.021 * * [simplify]: iteration  1 :  12  enodes  (cost  3 )
0.022 * * [simplify]: iteration  2 :  13  enodes  (cost  3 )
0.023 * * [simplify]: iteration  3 :  13  enodes  (cost  3 )
0.023 * [simplify]: Simplified to:
   (+ (+ (* x x) y) y)
0.024 * * [progress]: iteration 1 / 4
0.024 * * * [progress]: picking best candidate
0.025 * * * * [pick]: Picked  #<alt (λ (x y) (+ (+ (* x x) y) y))>
0.025 * * * [progress]: localizing error
0.029 * * * [progress]: generating rewritten candidates
0.029 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.064 * * * [progress]: generating series expansions
0.064 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.065 * [approximate]: Taking taylor expansion of (+ (pow x 2) (* 2 y)) in (x y) around 0
0.065 * [taylor]: Taking taylor expansion of (+ (pow x 2) (* 2 y)) 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 (* 2 y) in y
0.065 * [taylor]: Taking taylor expansion of 2 in y
0.065 * [taylor]: Taking taylor expansion of y in y
0.065 * [taylor]: Taking taylor expansion of (+ (pow x 2) (* 2 y)) in x
0.065 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.065 * [taylor]: Taking taylor expansion of x in x
0.065 * [taylor]: Taking taylor expansion of (* 2 y) in x
0.065 * [taylor]: Taking taylor expansion of 2 in x
0.065 * [taylor]: Taking taylor expansion of y in x
0.065 * [taylor]: Taking taylor expansion of (+ (pow x 2) (* 2 y)) in x
0.065 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.065 * [taylor]: Taking taylor expansion of x in x
0.065 * [taylor]: Taking taylor expansion of (* 2 y) in x
0.065 * [taylor]: Taking taylor expansion of 2 in x
0.065 * [taylor]: Taking taylor expansion of y in x
0.065 * [taylor]: Taking taylor expansion of (* 2 y) in y
0.065 * [taylor]: Taking taylor expansion of 2 in y
0.065 * [taylor]: Taking taylor expansion of y in y
0.066 * [taylor]: Taking taylor expansion of 0 in y
0.068 * [taylor]: Taking taylor expansion of 1 in y
0.070 * [taylor]: Taking taylor expansion of 0 in y
0.071 * [approximate]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 2 (/ 1 y))) in (x y) around 0
0.071 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 2 (/ 1 y))) in y
0.071 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.071 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.071 * [taylor]: Taking taylor expansion of x in y
0.071 * [taylor]: Taking taylor expansion of (* 2 (/ 1 y)) in y
0.071 * [taylor]: Taking taylor expansion of 2 in y
0.071 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.071 * [taylor]: Taking taylor expansion of y in y
0.071 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 2 (/ 1 y))) in x
0.071 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.071 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.071 * [taylor]: Taking taylor expansion of x in x
0.072 * [taylor]: Taking taylor expansion of (* 2 (/ 1 y)) in x
0.072 * [taylor]: Taking taylor expansion of 2 in x
0.072 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.072 * [taylor]: Taking taylor expansion of y in x
0.072 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 2 (/ 1 y))) in x
0.072 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.072 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.072 * [taylor]: Taking taylor expansion of x in x
0.072 * [taylor]: Taking taylor expansion of (* 2 (/ 1 y)) in x
0.073 * [taylor]: Taking taylor expansion of 2 in x
0.073 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.073 * [taylor]: Taking taylor expansion of y in x
0.073 * [taylor]: Taking taylor expansion of 1 in y
0.074 * [taylor]: Taking taylor expansion of 0 in y
0.075 * [taylor]: Taking taylor expansion of (* 2 (/ 1 y)) in y
0.075 * [taylor]: Taking taylor expansion of 2 in y
0.075 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.075 * [taylor]: Taking taylor expansion of y in y
0.078 * [taylor]: Taking taylor expansion of 0 in y
0.080 * [taylor]: Taking taylor expansion of 0 in y
0.081 * [approximate]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 2 (/ 1 y))) in (x y) around 0
0.081 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 2 (/ 1 y))) in y
0.081 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.081 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.081 * [taylor]: Taking taylor expansion of x in y
0.081 * [taylor]: Taking taylor expansion of (* 2 (/ 1 y)) in y
0.081 * [taylor]: Taking taylor expansion of 2 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 (- (/ 1 (pow x 2)) (* 2 (/ 1 y))) in x
0.081 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.081 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.081 * [taylor]: Taking taylor expansion of x in x
0.082 * [taylor]: Taking taylor expansion of (* 2 (/ 1 y)) in x
0.082 * [taylor]: Taking taylor expansion of 2 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 (- (/ 1 (pow x 2)) (* 2 (/ 1 y))) in x
0.082 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.082 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.082 * [taylor]: Taking taylor expansion of x in x
0.082 * [taylor]: Taking taylor expansion of (* 2 (/ 1 y)) in x
0.082 * [taylor]: Taking taylor expansion of 2 in x
0.082 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.082 * [taylor]: Taking taylor expansion of y in x
0.083 * [taylor]: Taking taylor expansion of 1 in y
0.084 * [taylor]: Taking taylor expansion of 0 in y
0.085 * [taylor]: Taking taylor expansion of (- (* 2 (/ 1 y))) in y
0.085 * [taylor]: Taking taylor expansion of (* 2 (/ 1 y)) in y
0.085 * [taylor]: Taking taylor expansion of 2 in y
0.085 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.085 * [taylor]: Taking taylor expansion of y in y
0.087 * [taylor]: Taking taylor expansion of 0 in y
0.090 * [taylor]: Taking taylor expansion of 0 in y
0.091 * * * [progress]: simplifying candidates
0.091 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (* (* (exp (* x x)) (exp y)) (exp y))
  (* (exp (+ (* x x) y)) (exp y))
  (log (+ (+ (* x x) y) y))
  (exp (+ (+ (* x x) y) y))
  (* (cbrt (+ (+ (* x x) y) y)) (cbrt (+ (+ (* x x) y) y)))
  (cbrt (+ (+ (* x x) y) y))
  (* (* (+ (+ (* x x) y) y) (+ (+ (* x x) y) y)) (+ (+ (* x x) y) y))
  (sqrt (+ (+ (* x x) y) y))
  (sqrt (+ (+ (* x x) y) y))
  (+ (pow (+ (* x x) y) 3) (pow y 3))
  (+ (* (+ (* x x) y) (+ (* x x) y)) (- (* y y) (* (+ (* x x) y) y)))
  (- (* (+ (* x x) y) (+ (* x x) y)) (* y y))
  (- (+ (* x x) y) y)
  (+ (+ (* x x) y) y)
  (+ y y)
  (+ (pow x 2) (* 2 y))
  (+ (pow x 2) (* 2 y))
  (+ (pow x 2) (* 2 y))
0.091 * [simplify]: Sending expressions to egg_math:
 (* (* (exp (* h0 h0)) (exp h1)) (exp h1))
 (* (exp (+ (* h0 h0) h1)) (exp h1))
 (log (+ (+ (* h0 h0) h1) h1))
 (exp (+ (+ (* h0 h0) h1) h1))
 (* (cbrt (+ (+ (* h0 h0) h1) h1)) (cbrt (+ (+ (* h0 h0) h1) h1)))
 (cbrt (+ (+ (* h0 h0) h1) h1))
 (* (* (+ (+ (* h0 h0) h1) h1) (+ (+ (* h0 h0) h1) h1)) (+ (+ (* h0 h0) h1) h1))
 (sqrt (+ (+ (* h0 h0) h1) h1))
 (sqrt (+ (+ (* h0 h0) h1) h1))
 (+ (pow (+ (* h0 h0) h1) 3) (pow h1 3))
 (+ (* (+ (* h0 h0) h1) (+ (* h0 h0) h1)) (- (* h1 h1) (* (+ (* h0 h0) h1) h1)))
 (- (* (+ (* h0 h0) h1) (+ (* h0 h0) h1)) (* h1 h1))
 (- (+ (* h0 h0) h1) h1)
 (+ (+ (* h0 h0) h1) h1)
 (+ h1 h1)
 (+ (pow h0 2) (* 2 h1))
 (+ (pow h0 2) (* 2 h1))
 (+ (pow h0 2) (* 2 h1))
0.094 * * [simplify]: iteration  0 :  91  enodes  (cost  86 )
0.098 * * [simplify]: iteration  1 :  310  enodes  (cost  77 )
0.104 * * [simplify]: iteration  2 :  1307  enodes  (cost  71 )
0.131 * * [simplify]: iteration  3 :  5002  enodes  (cost  70 )
0.131 * [simplify]: Simplified to:
   (exp (+ (+ (* x x) y) y))
  (exp (+ (+ (* x x) y) y))
  (log (+ (+ (* x x) y) y))
  (exp (+ (+ (* x x) y) y))
  (* (cbrt (+ (+ (* x x) y) y)) (cbrt (+ (+ (* x x) y) y)))
  (cbrt (+ (+ (* x x) y) y))
  (pow (+ (+ (* x x) y) y) 3)
  (sqrt (+ (+ (* x x) y) y))
  (sqrt (+ (+ (* x x) y) y))
  (+ (pow (+ (* x x) y) 3) (pow y 3))
  (+ (pow x 4) (* (+ (* x x) y) y))
  (* (pow x 2) (+ (+ (* x x) y) y))
  (pow x 2)
  (+ (+ (* x x) y) y)
  (+ y y)
  (+ (+ (* x x) y) y)
  (+ (+ (* x x) y) y)
  (+ (+ (* x x) y) y)
0.132 * * * [progress]: adding candidates to table
0.154 * * [progress]: iteration 2 / 4
0.154 * * * [progress]: picking best candidate
0.155 * * * * [pick]: Picked  #<alt (λ (x y) (+ (* x x) (+ y y)))>
0.155 * * * [progress]: localizing error
0.159 * * * [progress]: generating rewritten candidates
0.159 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.183 * * * [progress]: generating series expansions
0.183 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.183 * [approximate]: Taking taylor expansion of (+ (pow x 2) (* 2 y)) in (x y) around 0
0.183 * [taylor]: Taking taylor expansion of (+ (pow x 2) (* 2 y)) in y
0.183 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.183 * [taylor]: Taking taylor expansion of x in y
0.183 * [taylor]: Taking taylor expansion of (* 2 y) in y
0.183 * [taylor]: Taking taylor expansion of 2 in y
0.183 * [taylor]: Taking taylor expansion of y in y
0.183 * [taylor]: Taking taylor expansion of (+ (pow x 2) (* 2 y)) in x
0.183 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.183 * [taylor]: Taking taylor expansion of x in x
0.183 * [taylor]: Taking taylor expansion of (* 2 y) in x
0.183 * [taylor]: Taking taylor expansion of 2 in x
0.183 * [taylor]: Taking taylor expansion of y in x
0.183 * [taylor]: Taking taylor expansion of (+ (pow x 2) (* 2 y)) in x
0.183 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.183 * [taylor]: Taking taylor expansion of x in x
0.183 * [taylor]: Taking taylor expansion of (* 2 y) in x
0.183 * [taylor]: Taking taylor expansion of 2 in x
0.183 * [taylor]: Taking taylor expansion of y in x
0.183 * [taylor]: Taking taylor expansion of (* 2 y) in y
0.183 * [taylor]: Taking taylor expansion of 2 in y
0.183 * [taylor]: Taking taylor expansion of y in y
0.185 * [taylor]: Taking taylor expansion of 0 in y
0.186 * [taylor]: Taking taylor expansion of 1 in y
0.188 * [taylor]: Taking taylor expansion of 0 in y
0.189 * [approximate]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 2 (/ 1 y))) in (x y) around 0
0.189 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 2 (/ 1 y))) in y
0.189 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.189 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.189 * [taylor]: Taking taylor expansion of x in y
0.189 * [taylor]: Taking taylor expansion of (* 2 (/ 1 y)) in y
0.189 * [taylor]: Taking taylor expansion of 2 in y
0.189 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.189 * [taylor]: Taking taylor expansion of y in y
0.189 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 2 (/ 1 y))) in x
0.189 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.189 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.189 * [taylor]: Taking taylor expansion of x in x
0.190 * [taylor]: Taking taylor expansion of (* 2 (/ 1 y)) in x
0.190 * [taylor]: Taking taylor expansion of 2 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 (pow x 2)) (* 2 (/ 1 y))) in x
0.190 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.190 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.190 * [taylor]: Taking taylor expansion of x in x
0.190 * [taylor]: Taking taylor expansion of (* 2 (/ 1 y)) in x
0.190 * [taylor]: Taking taylor expansion of 2 in x
0.190 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.190 * [taylor]: Taking taylor expansion of y in x
0.191 * [taylor]: Taking taylor expansion of 1 in y
0.191 * [taylor]: Taking taylor expansion of 0 in y
0.193 * [taylor]: Taking taylor expansion of (* 2 (/ 1 y)) in y
0.193 * [taylor]: Taking taylor expansion of 2 in y
0.193 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.193 * [taylor]: Taking taylor expansion of y in y
0.195 * [taylor]: Taking taylor expansion of 0 in y
0.197 * [taylor]: Taking taylor expansion of 0 in y
0.198 * [approximate]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 2 (/ 1 y))) in (x y) around 0
0.198 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 2 (/ 1 y))) in y
0.198 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.198 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.198 * [taylor]: Taking taylor expansion of x in y
0.198 * [taylor]: Taking taylor expansion of (* 2 (/ 1 y)) in y
0.198 * [taylor]: Taking taylor expansion of 2 in y
0.198 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.198 * [taylor]: Taking taylor expansion of y in y
0.198 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 2 (/ 1 y))) in x
0.198 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.198 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.198 * [taylor]: Taking taylor expansion of x in x
0.199 * [taylor]: Taking taylor expansion of (* 2 (/ 1 y)) in x
0.199 * [taylor]: Taking taylor expansion of 2 in x
0.199 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.199 * [taylor]: Taking taylor expansion of y in x
0.199 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 2 (/ 1 y))) in x
0.199 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.199 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.199 * [taylor]: Taking taylor expansion of x in x
0.199 * [taylor]: Taking taylor expansion of (* 2 (/ 1 y)) in x
0.199 * [taylor]: Taking taylor expansion of 2 in x
0.199 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.199 * [taylor]: Taking taylor expansion of y in x
0.200 * [taylor]: Taking taylor expansion of 1 in y
0.201 * [taylor]: Taking taylor expansion of 0 in y
0.202 * [taylor]: Taking taylor expansion of (- (* 2 (/ 1 y))) in y
0.202 * [taylor]: Taking taylor expansion of (* 2 (/ 1 y)) in y
0.202 * [taylor]: Taking taylor expansion of 2 in y
0.202 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.202 * [taylor]: Taking taylor expansion of y in y
0.204 * [taylor]: Taking taylor expansion of 0 in y
0.207 * [taylor]: Taking taylor expansion of 0 in y
0.207 * * * [progress]: simplifying candidates
0.208 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (* (exp (* x x)) (* (exp y) (exp y)))
  (* (exp (* x x)) (exp (+ y y)))
  (log (+ (* x x) (+ y y)))
  (exp (+ (* x x) (+ y y)))
  (* (cbrt (+ (* x x) (+ y y))) (cbrt (+ (* x x) (+ y y))))
  (cbrt (+ (* x x) (+ y y)))
  (* (* (+ (* x x) (+ y y)) (+ (* x x) (+ y y))) (+ (* x x) (+ y y)))
  (sqrt (+ (* x x) (+ y y)))
  (sqrt (+ (* x x) (+ y y)))
  (+ (pow (* x x) 3) (pow (+ y y) 3))
  (+ (* (* x x) (* x x)) (- (* (+ y y) (+ y y)) (* (* x x) (+ y y))))
  (- (* (* x x) (* x x)) (* (+ y y) (+ y y)))
  (- (* x x) (+ y y))
  (+ (* x x) y)
  (+ (pow x 2) (* 2 y))
  (+ (pow x 2) (* 2 y))
  (+ (pow x 2) (* 2 y))
0.208 * [simplify]: Sending expressions to egg_math:
 (* (exp (* h0 h0)) (* (exp h1) (exp h1)))
 (* (exp (* h0 h0)) (exp (+ h1 h1)))
 (log (+ (* h0 h0) (+ h1 h1)))
 (exp (+ (* h0 h0) (+ h1 h1)))
 (* (cbrt (+ (* h0 h0) (+ h1 h1))) (cbrt (+ (* h0 h0) (+ h1 h1))))
 (cbrt (+ (* h0 h0) (+ h1 h1)))
 (* (* (+ (* h0 h0) (+ h1 h1)) (+ (* h0 h0) (+ h1 h1))) (+ (* h0 h0) (+ h1 h1)))
 (sqrt (+ (* h0 h0) (+ h1 h1)))
 (sqrt (+ (* h0 h0) (+ h1 h1)))
 (+ (pow (* h0 h0) 3) (pow (+ h1 h1) 3))
 (+ (* (* h0 h0) (* h0 h0)) (- (* (+ h1 h1) (+ h1 h1)) (* (* h0 h0) (+ h1 h1))))
 (- (* (* h0 h0) (* h0 h0)) (* (+ h1 h1) (+ h1 h1)))
 (- (* h0 h0) (+ h1 h1))
 (+ (* h0 h0) h1)
 (+ (pow h0 2) (* 2 h1))
 (+ (pow h0 2) (* 2 h1))
 (+ (pow h0 2) (* 2 h1))
0.211 * * [simplify]: iteration  0 :  103  enodes  (cost  83 )
0.214 * * [simplify]: iteration  1 :  468  enodes  (cost  74 )
0.224 * * [simplify]: iteration  2 :  1756  enodes  (cost  74 )
0.265 * * [simplify]: iteration  3 :  5002  enodes  (cost  74 )
0.266 * [simplify]: Simplified to:
   (exp (+ (* x x) (+ y y)))
  (exp (+ (* x x) (+ y y)))
  (log (+ (* x x) (+ y y)))
  (exp (+ (* x x) (+ y y)))
  (* (cbrt (+ (* x x) (+ y y))) (cbrt (+ (* x x) (+ y y))))
  (cbrt (+ (* x x) (+ y y)))
  (pow (+ (* x x) (+ y y)) 3)
  (sqrt (+ (* x x) (+ y y)))
  (sqrt (+ (* x x) (+ y y)))
  (+ (pow (* x x) 3) (pow (+ y y) 3))
  (- (* 4 (* y y)) (- (* (* x x) (+ y y)) (pow x 4)))
  (+ (- (* (+ y y) (+ y y))) (pow x 4))
  (- (* x x) (+ y y))
  (+ (* x x) y)
  (+ (* x x) (+ y y))
  (+ (* x x) (+ y y))
  (+ (* x x) (+ y y))
0.266 * * * [progress]: adding candidates to table
0.291 * [progress]: [Phase 3 of 3] Extracting.
0.292 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (+ (* x x) (+ y y))
0.292 * [simplify]: Sending expressions to egg_math:
 (+ (* h0 h0) (+ h1 h1))
0.292 * * [simplify]: iteration  0 :  6  enodes  (cost  3 )
0.293 * * [simplify]: iteration  1 :  6  enodes  (cost  3 )
0.293 * [simplify]: Simplified to:
   (+ (* x x) (+ y y))
0.732 * [regime-testing]: End program error score: 0.005089916929324431
0.751 * [regime-testing]: Target error score: 0.005089916929324431