1.792 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.035 * * * [progress]: [2/2] Setting up program.
0.040 * [progress]: [Phase 2 of 3] Improving.
0.040 * [simplify]: Simplifying:
  (+ (* x x) (* y y))
0.040 * * [simplify]: iteration 0: 5 enodes
0.041 * * [simplify]: iteration 1: 6 enodes
0.043 * * [simplify]: iteration complete: 6 enodes
0.043 * * [simplify]: Extracting #0: cost 1 inf + 0
0.043 * * [simplify]: Extracting #1: cost 3 inf + 0
0.043 * * [simplify]: Extracting #2: cost 5 inf + 0
0.043 * * [simplify]: Extracting #3: cost 2 inf + 5
0.043 * * [simplify]: Extracting #4: cost 0 inf + 15
0.043 * [simplify]: Simplified to:
  (+ (* x x) (* y y))
0.044 * * [progress]: iteration 1 / 4
0.044 * * * [progress]: picking best candidate
0.048 * * * * [pick]: Picked  #<alt (λ (x y) (+ (* x x) (* y y)))>
0.048 * * * [progress]: localizing error
0.062 * * * [progress]: generating rewritten candidates
0.062 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.074 * * * [progress]: generating series expansions
0.074 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.074 * [backup-simplify]: Simplify (+ (* x x) (* y y)) into (+ (pow y 2) (pow x 2))
0.074 * [approximate]: Taking taylor expansion of (+ (pow y 2) (pow x 2)) in (x y) around 0
0.074 * [taylor]: Taking taylor expansion of (+ (pow y 2) (pow x 2)) in y
0.074 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.074 * [taylor]: Taking taylor expansion of y in y
0.074 * [backup-simplify]: Simplify 0 into 0
0.074 * [backup-simplify]: Simplify 1 into 1
0.074 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.074 * [taylor]: Taking taylor expansion of x in y
0.074 * [backup-simplify]: Simplify x into x
0.074 * [taylor]: Taking taylor expansion of (+ (pow y 2) (pow x 2)) in x
0.074 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.074 * [taylor]: Taking taylor expansion of y in x
0.074 * [backup-simplify]: Simplify y into y
0.074 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.074 * [taylor]: Taking taylor expansion of x in x
0.074 * [backup-simplify]: Simplify 0 into 0
0.074 * [backup-simplify]: Simplify 1 into 1
0.074 * [taylor]: Taking taylor expansion of (+ (pow y 2) (pow x 2)) in x
0.074 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.074 * [taylor]: Taking taylor expansion of y in x
0.074 * [backup-simplify]: Simplify y into y
0.074 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.074 * [taylor]: Taking taylor expansion of x in x
0.074 * [backup-simplify]: Simplify 0 into 0
0.074 * [backup-simplify]: Simplify 1 into 1
0.074 * [backup-simplify]: Simplify (* y y) into (pow y 2)
0.074 * [backup-simplify]: Simplify (+ (pow y 2) 0) into (pow y 2)
0.074 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.074 * [taylor]: Taking taylor expansion of y in y
0.075 * [backup-simplify]: Simplify 0 into 0
0.075 * [backup-simplify]: Simplify 1 into 1
0.075 * [backup-simplify]: Simplify (+ (* y 0) (* 0 y)) into 0
0.075 * [backup-simplify]: Simplify (+ 0 0) into 0
0.075 * [taylor]: Taking taylor expansion of 0 in y
0.075 * [backup-simplify]: Simplify 0 into 0
0.075 * [backup-simplify]: Simplify 0 into 0
0.075 * [backup-simplify]: Simplify (+ (* y 0) (+ (* 0 0) (* 0 y))) into 0
0.076 * [backup-simplify]: Simplify (* 1 1) into 1
0.076 * [backup-simplify]: Simplify (+ 0 1) into 1
0.076 * [taylor]: Taking taylor expansion of 1 in y
0.076 * [backup-simplify]: Simplify 1 into 1
0.076 * [backup-simplify]: Simplify 1 into 1
0.076 * [backup-simplify]: Simplify 0 into 0
0.076 * [backup-simplify]: Simplify (* 1 1) into 1
0.076 * [backup-simplify]: Simplify 1 into 1
0.077 * [backup-simplify]: Simplify (+ (* y 0) (+ (* 0 0) (+ (* 0 0) (* 0 y)))) into 0
0.077 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
0.078 * [backup-simplify]: Simplify (+ 0 0) into 0
0.078 * [taylor]: Taking taylor expansion of 0 in y
0.078 * [backup-simplify]: Simplify 0 into 0
0.078 * [backup-simplify]: Simplify 0 into 0
0.078 * [backup-simplify]: Simplify 0 into 0
0.078 * [backup-simplify]: Simplify 0 into 0
0.078 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
0.078 * [backup-simplify]: Simplify 0 into 0
0.079 * [backup-simplify]: Simplify (+ (* y 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 y))))) into 0
0.079 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
0.080 * [backup-simplify]: Simplify (+ 0 0) into 0
0.080 * [taylor]: Taking taylor expansion of 0 in y
0.080 * [backup-simplify]: Simplify 0 into 0
0.080 * [backup-simplify]: Simplify 0 into 0
0.080 * [backup-simplify]: Simplify 0 into 0
0.080 * [backup-simplify]: Simplify (+ (* 1 (pow (* y 1) 2)) (* 1 (pow (* 1 x) 2))) into (+ (pow y 2) (pow x 2))
0.080 * [backup-simplify]: Simplify (+ (* (/ 1 x) (/ 1 x)) (* (/ 1 y) (/ 1 y))) into (+ (/ 1 (pow y 2)) (/ 1 (pow x 2)))
0.080 * [approximate]: Taking taylor expansion of (+ (/ 1 (pow y 2)) (/ 1 (pow x 2))) in (x y) around 0
0.080 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow y 2)) (/ 1 (pow x 2))) in y
0.080 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.080 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.080 * [taylor]: Taking taylor expansion of y in y
0.080 * [backup-simplify]: Simplify 0 into 0
0.080 * [backup-simplify]: Simplify 1 into 1
0.081 * [backup-simplify]: Simplify (* 1 1) into 1
0.081 * [backup-simplify]: Simplify (/ 1 1) into 1
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 * [backup-simplify]: Simplify x into x
0.081 * [backup-simplify]: Simplify (* x x) into (pow x 2)
0.081 * [backup-simplify]: Simplify (/ 1 (pow x 2)) into (/ 1 (pow x 2))
0.081 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow y 2)) (/ 1 (pow x 2))) in x
0.081 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.081 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.081 * [taylor]: Taking taylor expansion of y in x
0.081 * [backup-simplify]: Simplify y into y
0.081 * [backup-simplify]: Simplify (* y y) into (pow y 2)
0.081 * [backup-simplify]: Simplify (/ 1 (pow y 2)) into (/ 1 (pow y 2))
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
0.081 * [backup-simplify]: Simplify 0 into 0
0.082 * [backup-simplify]: Simplify 1 into 1
0.082 * [backup-simplify]: Simplify (* 1 1) into 1
0.082 * [backup-simplify]: Simplify (/ 1 1) into 1
0.082 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow y 2)) (/ 1 (pow x 2))) in x
0.082 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.082 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.082 * [taylor]: Taking taylor expansion of y in x
0.082 * [backup-simplify]: Simplify y into y
0.082 * [backup-simplify]: Simplify (* y y) into (pow y 2)
0.083 * [backup-simplify]: Simplify (/ 1 (pow y 2)) into (/ 1 (pow y 2))
0.083 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.083 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.083 * [taylor]: Taking taylor expansion of x in x
0.083 * [backup-simplify]: Simplify 0 into 0
0.083 * [backup-simplify]: Simplify 1 into 1
0.083 * [backup-simplify]: Simplify (* 1 1) into 1
0.083 * [backup-simplify]: Simplify (/ 1 1) into 1
0.083 * [backup-simplify]: Simplify (+ 0 1) into 1
0.083 * [taylor]: Taking taylor expansion of 1 in y
0.083 * [backup-simplify]: Simplify 1 into 1
0.084 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
0.084 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.085 * [backup-simplify]: Simplify (+ 0 0) into 0
0.085 * [taylor]: Taking taylor expansion of 0 in y
0.085 * [backup-simplify]: Simplify 0 into 0
0.085 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
0.086 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.086 * [backup-simplify]: Simplify (+ (/ 1 (pow y 2)) 0) into (/ 1 (pow y 2))
0.086 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.086 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.086 * [taylor]: Taking taylor expansion of y in y
0.086 * [backup-simplify]: Simplify 0 into 0
0.086 * [backup-simplify]: Simplify 1 into 1
0.086 * [backup-simplify]: Simplify (* 1 1) into 1
0.086 * [backup-simplify]: Simplify (/ 1 1) into 1
0.086 * [backup-simplify]: Simplify 1 into 1
0.087 * [backup-simplify]: Simplify 1 into 1
0.087 * [backup-simplify]: Simplify (+ (* y 0) (* 0 y)) into 0
0.087 * [backup-simplify]: Simplify (- (+ (* (/ 1 (pow y 2)) (/ 0 (pow y 2))))) into 0
0.087 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
0.088 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.088 * [backup-simplify]: Simplify (+ 0 0) into 0
0.088 * [taylor]: Taking taylor expansion of 0 in y
0.088 * [backup-simplify]: Simplify 0 into 0
0.089 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
0.089 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.089 * [backup-simplify]: Simplify 0 into 0
0.089 * [backup-simplify]: Simplify 0 into 0
0.089 * [backup-simplify]: Simplify 0 into 0
0.090 * [backup-simplify]: Simplify (+ (* y 0) (+ (* 0 0) (* 0 y))) into 0
0.090 * [backup-simplify]: Simplify (- (+ (* (/ 1 (pow y 2)) (/ 0 (pow y 2))) (* 0 (/ 0 (pow y 2))))) into 0
0.091 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
0.091 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.091 * [backup-simplify]: Simplify (+ 0 0) into 0
0.091 * [taylor]: Taking taylor expansion of 0 in y
0.091 * [backup-simplify]: Simplify 0 into 0
0.092 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
0.093 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.093 * [backup-simplify]: Simplify 0 into 0
0.093 * [backup-simplify]: Simplify 0 into 0
0.093 * [backup-simplify]: Simplify 0 into 0
0.093 * [backup-simplify]: Simplify (+ (* 1 (pow (* 1 (/ 1 (/ 1 x))) 2)) (* 1 (pow (* (/ 1 (/ 1 y)) 1) 2))) into (+ (pow y 2) (pow x 2))
0.093 * [backup-simplify]: Simplify (+ (* (/ 1 (- x)) (/ 1 (- x))) (* (/ 1 (- y)) (/ 1 (- y)))) into (+ (/ 1 (pow y 2)) (/ 1 (pow x 2)))
0.093 * [approximate]: Taking taylor expansion of (+ (/ 1 (pow y 2)) (/ 1 (pow x 2))) in (x y) around 0
0.093 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow y 2)) (/ 1 (pow x 2))) in y
0.093 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.093 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.094 * [taylor]: Taking taylor expansion of y in y
0.094 * [backup-simplify]: Simplify 0 into 0
0.094 * [backup-simplify]: Simplify 1 into 1
0.094 * [backup-simplify]: Simplify (* 1 1) into 1
0.094 * [backup-simplify]: Simplify (/ 1 1) into 1
0.094 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
0.094 * [taylor]: Taking taylor expansion of (pow x 2) in y
0.094 * [taylor]: Taking taylor expansion of x in y
0.094 * [backup-simplify]: Simplify x into x
0.094 * [backup-simplify]: Simplify (* x x) into (pow x 2)
0.094 * [backup-simplify]: Simplify (/ 1 (pow x 2)) into (/ 1 (pow x 2))
0.094 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow y 2)) (/ 1 (pow x 2))) in x
0.094 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.094 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.094 * [taylor]: Taking taylor expansion of y in x
0.094 * [backup-simplify]: Simplify y into y
0.094 * [backup-simplify]: Simplify (* y y) into (pow y 2)
0.095 * [backup-simplify]: Simplify (/ 1 (pow y 2)) into (/ 1 (pow y 2))
0.095 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.095 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.095 * [taylor]: Taking taylor expansion of x in x
0.095 * [backup-simplify]: Simplify 0 into 0
0.095 * [backup-simplify]: Simplify 1 into 1
0.095 * [backup-simplify]: Simplify (* 1 1) into 1
0.095 * [backup-simplify]: Simplify (/ 1 1) into 1
0.095 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow y 2)) (/ 1 (pow x 2))) in x
0.095 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
0.095 * [taylor]: Taking taylor expansion of (pow y 2) in x
0.095 * [taylor]: Taking taylor expansion of y in x
0.095 * [backup-simplify]: Simplify y into y
0.095 * [backup-simplify]: Simplify (* y y) into (pow y 2)
0.095 * [backup-simplify]: Simplify (/ 1 (pow y 2)) into (/ 1 (pow y 2))
0.095 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.095 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.095 * [taylor]: Taking taylor expansion of x in x
0.095 * [backup-simplify]: Simplify 0 into 0
0.095 * [backup-simplify]: Simplify 1 into 1
0.096 * [backup-simplify]: Simplify (* 1 1) into 1
0.096 * [backup-simplify]: Simplify (/ 1 1) into 1
0.096 * [backup-simplify]: Simplify (+ 0 1) into 1
0.096 * [taylor]: Taking taylor expansion of 1 in y
0.096 * [backup-simplify]: Simplify 1 into 1
0.097 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
0.097 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.097 * [backup-simplify]: Simplify (+ 0 0) into 0
0.097 * [taylor]: Taking taylor expansion of 0 in y
0.097 * [backup-simplify]: Simplify 0 into 0
0.098 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
0.098 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.099 * [backup-simplify]: Simplify (+ (/ 1 (pow y 2)) 0) into (/ 1 (pow y 2))
0.099 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
0.099 * [taylor]: Taking taylor expansion of (pow y 2) in y
0.099 * [taylor]: Taking taylor expansion of y in y
0.099 * [backup-simplify]: Simplify 0 into 0
0.099 * [backup-simplify]: Simplify 1 into 1
0.099 * [backup-simplify]: Simplify (* 1 1) into 1
0.099 * [backup-simplify]: Simplify (/ 1 1) into 1
0.099 * [backup-simplify]: Simplify 1 into 1
0.099 * [backup-simplify]: Simplify 1 into 1
0.099 * [backup-simplify]: Simplify (+ (* y 0) (* 0 y)) into 0
0.100 * [backup-simplify]: Simplify (- (+ (* (/ 1 (pow y 2)) (/ 0 (pow y 2))))) into 0
0.100 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
0.101 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.101 * [backup-simplify]: Simplify (+ 0 0) into 0
0.101 * [taylor]: Taking taylor expansion of 0 in y
0.101 * [backup-simplify]: Simplify 0 into 0
0.102 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
0.102 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.102 * [backup-simplify]: Simplify 0 into 0
0.102 * [backup-simplify]: Simplify 0 into 0
0.102 * [backup-simplify]: Simplify 0 into 0
0.103 * [backup-simplify]: Simplify (+ (* y 0) (+ (* 0 0) (* 0 y))) into 0
0.103 * [backup-simplify]: Simplify (- (+ (* (/ 1 (pow y 2)) (/ 0 (pow y 2))) (* 0 (/ 0 (pow y 2))))) into 0
0.104 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
0.104 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.104 * [backup-simplify]: Simplify (+ 0 0) into 0
0.104 * [taylor]: Taking taylor expansion of 0 in y
0.104 * [backup-simplify]: Simplify 0 into 0
0.105 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
0.106 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.106 * [backup-simplify]: Simplify 0 into 0
0.106 * [backup-simplify]: Simplify 0 into 0
0.106 * [backup-simplify]: Simplify 0 into 0
0.106 * [backup-simplify]: Simplify (+ (* 1 (pow (* 1 (/ 1 (/ 1 (- x)))) 2)) (* 1 (pow (* (/ 1 (/ 1 (- y))) 1) 2))) into (+ (pow y 2) (pow x 2))
0.106 * * * [progress]: simplifying candidates
0.106 * [simplify]: Simplifying:
  (* (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))
  (+ (pow y 2) (pow x 2))
  (+ (pow y 2) (pow x 2))
  (+ (pow y 2) (pow x 2))
0.107 * * [simplify]: iteration 0: 30 enodes
0.113 * * [simplify]: iteration 1: 115 enodes
0.166 * * [simplify]: iteration 2: 639 enodes
1.564 * * [simplify]: iteration 3: 4731 enodes
3.749 * * [simplify]: iteration complete: 5000 enodes
3.749 * * [simplify]: Extracting #0: cost 11 inf + 0
3.749 * * [simplify]: Extracting #1: cost 171 inf + 0
3.759 * * [simplify]: Extracting #2: cost 1399 inf + 1
3.765 * * [simplify]: Extracting #3: cost 1519 inf + 1606
3.772 * * [simplify]: Extracting #4: cost 669 inf + 5758
3.779 * * [simplify]: Extracting #5: cost 116 inf + 10137
3.786 * * [simplify]: Extracting #6: cost 7 inf + 11206
3.798 * * [simplify]: Extracting #7: cost 0 inf + 11269
3.810 * [simplify]: Simplified to:
  (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 y 6) (pow x 6))
  (+ (* (- (pow y 3) (* (* y x) x)) y) (pow x 4))
  (- (pow x 4) (pow y 4))
  (* (- x y) (+ x y))
  (+ (* x x) (* y y))
  (+ (* x x) (* y y))
  (+ (* x x) (* y y))
3.810 * * * [progress]: adding candidates to table
3.863 * [progress]: [Phase 3 of 3] Extracting.
3.865 * [simplify]: Simplifying:
  (+ (* x x) (* y y))
3.865 * * [simplify]: iteration 0: 5 enodes
3.866 * * [simplify]: iteration 1: 6 enodes
3.866 * * [simplify]: iteration complete: 6 enodes
3.866 * * [simplify]: Extracting #0: cost 1 inf + 0
3.866 * * [simplify]: Extracting #1: cost 3 inf + 0
3.866 * * [simplify]: Extracting #2: cost 5 inf + 0
3.866 * * [simplify]: Extracting #3: cost 2 inf + 5
3.866 * * [simplify]: Extracting #4: cost 0 inf + 15
3.866 * [simplify]: Simplified to:
  (+ (* x x) (* y y))
5.480 * [regime-testing]: Baseline error score: 0.005375671958994874
5.482 * [regime-testing]: Oracle error score: 0.005375671958994874
5.482 * [regime-testing]: End program error score: 0.005375671958994874