8.076 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.019 * * * [progress]: [2/2] Setting up program.
0.024 * [progress]: [Phase 2 of 3] Improving.
0.024 * [simplify]: Simplifying:
  (* 500.0 (- x y))
0.024 * * [simplify]: iteration 0: 5 enodes
0.025 * * [simplify]: iteration 1: 8 enodes
0.027 * * [simplify]: iteration 2: 15 enodes
0.030 * * [simplify]: iteration 3: 21 enodes
0.039 * * [simplify]: iteration 4: 26 enodes
0.045 * * [simplify]: iteration complete: 26 enodes
0.045 * * [simplify]: Extracting #0: cost 1 inf + 0
0.045 * * [simplify]: Extracting #1: cost 6 inf + 0
0.045 * * [simplify]: Extracting #2: cost 9 inf + 1
0.045 * * [simplify]: Extracting #3: cost 3 inf + 14
0.045 * * [simplify]: Extracting #4: cost 0 inf + 25
0.045 * [simplify]: Simplified to:
  (* (- x y) 500.0)
0.052 * * [progress]: iteration 1 / 4
0.052 * * * [progress]: picking best candidate
0.054 * * * * [pick]: Picked  #<alt (λ (x y) (* 500.0 (- x y)))>
0.054 * * * [progress]: localizing error
0.060 * * * [progress]: generating rewritten candidates
0.060 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.081 * * * [progress]: generating series expansions
0.081 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.081 * [backup-simplify]: Simplify (* 500.0 (- x y)) into (* 500.0 (- x y))
0.081 * [approximate]: Taking taylor expansion of (* 500.0 (- x y)) in (x y) around 0
0.081 * [taylor]: Taking taylor expansion of (* 500.0 (- x y)) in y
0.081 * [taylor]: Taking taylor expansion of 500.0 in y
0.081 * [backup-simplify]: Simplify 500.0 into 500.0
0.081 * [taylor]: Taking taylor expansion of (- x y) in y
0.081 * [taylor]: Taking taylor expansion of x in y
0.081 * [backup-simplify]: Simplify x into x
0.081 * [taylor]: Taking taylor expansion of y in y
0.081 * [backup-simplify]: Simplify 0 into 0
0.081 * [backup-simplify]: Simplify 1 into 1
0.081 * [taylor]: Taking taylor expansion of (* 500.0 (- x y)) in x
0.081 * [taylor]: Taking taylor expansion of 500.0 in x
0.082 * [backup-simplify]: Simplify 500.0 into 500.0
0.082 * [taylor]: Taking taylor expansion of (- x y) in x
0.082 * [taylor]: Taking taylor expansion of x in x
0.082 * [backup-simplify]: Simplify 0 into 0
0.082 * [backup-simplify]: Simplify 1 into 1
0.082 * [taylor]: Taking taylor expansion of y in x
0.082 * [backup-simplify]: Simplify y into y
0.082 * [taylor]: Taking taylor expansion of (* 500.0 (- x y)) in x
0.082 * [taylor]: Taking taylor expansion of 500.0 in x
0.082 * [backup-simplify]: Simplify 500.0 into 500.0
0.082 * [taylor]: Taking taylor expansion of (- x y) in x
0.082 * [taylor]: Taking taylor expansion of x in x
0.082 * [backup-simplify]: Simplify 0 into 0
0.082 * [backup-simplify]: Simplify 1 into 1
0.082 * [taylor]: Taking taylor expansion of y in x
0.082 * [backup-simplify]: Simplify y into y
0.082 * [backup-simplify]: Simplify (- y) into (- y)
0.082 * [backup-simplify]: Simplify (+ 0 (- y)) into (- y)
0.082 * [backup-simplify]: Simplify (* 500.0 (- y)) into (* -500.0 y)
0.082 * [taylor]: Taking taylor expansion of (* -500.0 y) in y
0.082 * [taylor]: Taking taylor expansion of -500.0 in y
0.082 * [backup-simplify]: Simplify -500.0 into -500.0
0.082 * [taylor]: Taking taylor expansion of y in y
0.082 * [backup-simplify]: Simplify 0 into 0
0.082 * [backup-simplify]: Simplify 1 into 1
0.083 * [backup-simplify]: Simplify (* -500.0 0) into 0
0.083 * [backup-simplify]: Simplify 0 into 0
0.083 * [backup-simplify]: Simplify (- 0) into 0
0.084 * [backup-simplify]: Simplify (+ 1 0) into 1
0.084 * [backup-simplify]: Simplify (+ (* 500.0 1) (* 0 (- y))) into 500.0
0.084 * [taylor]: Taking taylor expansion of 500.0 in y
0.084 * [backup-simplify]: Simplify 500.0 into 500.0
0.084 * [backup-simplify]: Simplify 500.0 into 500.0
0.085 * [backup-simplify]: Simplify (+ (* -500.0 1) (* 0 0)) into (- 500.0)
0.086 * [backup-simplify]: Simplify (- 500.0) into (- 500.0)
0.086 * [backup-simplify]: Simplify (- 0) into 0
0.086 * [backup-simplify]: Simplify (+ 0 0) into 0
0.087 * [backup-simplify]: Simplify (+ (* 500.0 0) (+ (* 0 1) (* 0 (- y)))) into 0
0.087 * [taylor]: Taking taylor expansion of 0 in y
0.087 * [backup-simplify]: Simplify 0 into 0
0.087 * [backup-simplify]: Simplify 0 into 0
0.087 * [backup-simplify]: Simplify 0 into 0
0.088 * [backup-simplify]: Simplify (+ (* -500.0 0) (+ (* 0 1) (* 0 0))) into 0
0.088 * [backup-simplify]: Simplify 0 into 0
0.089 * [backup-simplify]: Simplify (- 0) into 0
0.089 * [backup-simplify]: Simplify (+ 0 0) into 0
0.090 * [backup-simplify]: Simplify (+ (* 500.0 0) (+ (* 0 0) (+ (* 0 1) (* 0 (- y))))) into 0
0.090 * [taylor]: Taking taylor expansion of 0 in y
0.090 * [backup-simplify]: Simplify 0 into 0
0.090 * [backup-simplify]: Simplify 0 into 0
0.090 * [backup-simplify]: Simplify 0 into 0
0.090 * [backup-simplify]: Simplify 0 into 0
0.091 * [backup-simplify]: Simplify (+ (* (- 500.0) (* y 1)) (* 500.0 (* 1 x))) into (- (* 500.0 x) (* 500.0 y))
0.091 * [backup-simplify]: Simplify (* 500.0 (- (/ 1 x) (/ 1 y))) into (* 500.0 (- (/ 1 x) (/ 1 y)))
0.091 * [approximate]: Taking taylor expansion of (* 500.0 (- (/ 1 x) (/ 1 y))) in (x y) around 0
0.091 * [taylor]: Taking taylor expansion of (* 500.0 (- (/ 1 x) (/ 1 y))) in y
0.091 * [taylor]: Taking taylor expansion of 500.0 in y
0.091 * [backup-simplify]: Simplify 500.0 into 500.0
0.091 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in y
0.091 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.091 * [taylor]: Taking taylor expansion of x in y
0.091 * [backup-simplify]: Simplify x into x
0.091 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
0.091 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.091 * [taylor]: Taking taylor expansion of y in y
0.091 * [backup-simplify]: Simplify 0 into 0
0.091 * [backup-simplify]: Simplify 1 into 1
0.092 * [backup-simplify]: Simplify (/ 1 1) into 1
0.092 * [taylor]: Taking taylor expansion of (* 500.0 (- (/ 1 x) (/ 1 y))) in x
0.092 * [taylor]: Taking taylor expansion of 500.0 in x
0.092 * [backup-simplify]: Simplify 500.0 into 500.0
0.092 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
0.092 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.092 * [taylor]: Taking taylor expansion of x in x
0.092 * [backup-simplify]: Simplify 0 into 0
0.092 * [backup-simplify]: Simplify 1 into 1
0.092 * [backup-simplify]: Simplify (/ 1 1) into 1
0.092 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.092 * [taylor]: Taking taylor expansion of y in x
0.092 * [backup-simplify]: Simplify y into y
0.092 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
0.092 * [taylor]: Taking taylor expansion of (* 500.0 (- (/ 1 x) (/ 1 y))) in x
0.092 * [taylor]: Taking taylor expansion of 500.0 in x
0.092 * [backup-simplify]: Simplify 500.0 into 500.0
0.092 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
0.092 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.092 * [taylor]: Taking taylor expansion of x in x
0.093 * [backup-simplify]: Simplify 0 into 0
0.093 * [backup-simplify]: Simplify 1 into 1
0.093 * [backup-simplify]: Simplify (/ 1 1) into 1
0.093 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.093 * [taylor]: Taking taylor expansion of y in x
0.093 * [backup-simplify]: Simplify y into y
0.093 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
0.093 * [backup-simplify]: Simplify (+ 1 0) into 1
0.094 * [backup-simplify]: Simplify (* 500.0 1) into 500.0
0.094 * [taylor]: Taking taylor expansion of 500.0 in y
0.094 * [backup-simplify]: Simplify 500.0 into 500.0
0.095 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.095 * [backup-simplify]: Simplify (- (/ 1 y)) into (- (/ 1 y))
0.095 * [backup-simplify]: Simplify (+ 0 (- (/ 1 y))) into (- (/ 1 y))
0.095 * [backup-simplify]: Simplify (+ (* 500.0 (- (/ 1 y))) (* 0 1)) into (- (* 500.0 (/ 1 y)))
0.095 * [taylor]: Taking taylor expansion of (- (* 500.0 (/ 1 y))) in y
0.095 * [taylor]: Taking taylor expansion of (* 500.0 (/ 1 y)) in y
0.095 * [taylor]: Taking taylor expansion of 500.0 in y
0.095 * [backup-simplify]: Simplify 500.0 into 500.0
0.095 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.095 * [taylor]: Taking taylor expansion of y in y
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 (* 500.0 1) into 500.0
0.096 * [backup-simplify]: Simplify (- 500.0) into (- 500.0)
0.097 * [backup-simplify]: Simplify (- 500.0) into (- 500.0)
0.097 * [backup-simplify]: Simplify 500.0 into 500.0
0.098 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.098 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0
0.098 * [backup-simplify]: Simplify (- 0) into 0
0.098 * [backup-simplify]: Simplify (+ 0 0) into 0
0.099 * [backup-simplify]: Simplify (+ (* 500.0 0) (+ (* 0 (- (/ 1 y))) (* 0 1))) into 0
0.099 * [taylor]: Taking taylor expansion of 0 in y
0.099 * [backup-simplify]: Simplify 0 into 0
0.100 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.101 * [backup-simplify]: Simplify (+ (* 500.0 0) (* 0 1)) into 0
0.101 * [backup-simplify]: Simplify (- 0) into 0
0.101 * [backup-simplify]: Simplify 0 into 0
0.101 * [backup-simplify]: Simplify 0 into 0
0.102 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.102 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0
0.102 * [backup-simplify]: Simplify (- 0) into 0
0.103 * [backup-simplify]: Simplify (+ 0 0) into 0
0.104 * [backup-simplify]: Simplify (+ (* 500.0 0) (+ (* 0 0) (+ (* 0 (- (/ 1 y))) (* 0 1)))) into 0
0.104 * [taylor]: Taking taylor expansion of 0 in y
0.104 * [backup-simplify]: Simplify 0 into 0
0.104 * [backup-simplify]: Simplify 0 into 0
0.105 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.105 * [backup-simplify]: Simplify (+ (* 500.0 0) (+ (* 0 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
0.107 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.107 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)) (* 0 (/ 0 y)))) into 0
0.107 * [backup-simplify]: Simplify (- 0) into 0
0.107 * [backup-simplify]: Simplify (+ 0 0) into 0
0.108 * [backup-simplify]: Simplify (+ (* 500.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 (- (/ 1 y))) (* 0 1))))) into 0
0.108 * [taylor]: Taking taylor expansion of 0 in y
0.108 * [backup-simplify]: Simplify 0 into 0
0.109 * [backup-simplify]: Simplify 0 into 0
0.109 * [backup-simplify]: Simplify (+ (* 500.0 (* 1 (/ 1 (/ 1 x)))) (* (- 500.0) (* (/ 1 (/ 1 y)) 1))) into (- (* 500.0 x) (* 500.0 y))
0.109 * [backup-simplify]: Simplify (* 500.0 (- (/ 1 (- x)) (/ 1 (- y)))) into (* 500.0 (- (/ 1 y) (/ 1 x)))
0.109 * [approximate]: Taking taylor expansion of (* 500.0 (- (/ 1 y) (/ 1 x))) in (x y) around 0
0.109 * [taylor]: Taking taylor expansion of (* 500.0 (- (/ 1 y) (/ 1 x))) in y
0.109 * [taylor]: Taking taylor expansion of 500.0 in y
0.109 * [backup-simplify]: Simplify 500.0 into 500.0
0.109 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in y
0.109 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.109 * [taylor]: Taking taylor expansion of y in y
0.109 * [backup-simplify]: Simplify 0 into 0
0.109 * [backup-simplify]: Simplify 1 into 1
0.109 * [backup-simplify]: Simplify (/ 1 1) into 1
0.109 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.109 * [taylor]: Taking taylor expansion of x in y
0.109 * [backup-simplify]: Simplify x into x
0.109 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
0.110 * [taylor]: Taking taylor expansion of (* 500.0 (- (/ 1 y) (/ 1 x))) in x
0.110 * [taylor]: Taking taylor expansion of 500.0 in x
0.110 * [backup-simplify]: Simplify 500.0 into 500.0
0.110 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
0.110 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.110 * [taylor]: Taking taylor expansion of y in x
0.110 * [backup-simplify]: Simplify y into y
0.110 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
0.110 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.110 * [taylor]: Taking taylor expansion of x in x
0.110 * [backup-simplify]: Simplify 0 into 0
0.110 * [backup-simplify]: Simplify 1 into 1
0.110 * [backup-simplify]: Simplify (/ 1 1) into 1
0.110 * [taylor]: Taking taylor expansion of (* 500.0 (- (/ 1 y) (/ 1 x))) in x
0.110 * [taylor]: Taking taylor expansion of 500.0 in x
0.110 * [backup-simplify]: Simplify 500.0 into 500.0
0.110 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
0.110 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.110 * [taylor]: Taking taylor expansion of y in x
0.110 * [backup-simplify]: Simplify y into y
0.110 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
0.110 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.110 * [taylor]: Taking taylor expansion of x in x
0.110 * [backup-simplify]: Simplify 0 into 0
0.110 * [backup-simplify]: Simplify 1 into 1
0.110 * [backup-simplify]: Simplify (/ 1 1) into 1
0.111 * [backup-simplify]: Simplify (- 1) into -1
0.111 * [backup-simplify]: Simplify (+ 0 -1) into -1
0.111 * [backup-simplify]: Simplify (* 500.0 -1) into -500.0
0.111 * [taylor]: Taking taylor expansion of -500.0 in y
0.111 * [backup-simplify]: Simplify -500.0 into -500.0
0.112 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.112 * [backup-simplify]: Simplify (- 0) into 0
0.112 * [backup-simplify]: Simplify (+ (/ 1 y) 0) into (/ 1 y)
0.112 * [backup-simplify]: Simplify (+ (* 500.0 (/ 1 y)) (* 0 -1)) into (* 500.0 (/ 1 y))
0.112 * [taylor]: Taking taylor expansion of (* 500.0 (/ 1 y)) in y
0.112 * [taylor]: Taking taylor expansion of 500.0 in y
0.112 * [backup-simplify]: Simplify 500.0 into 500.0
0.112 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.112 * [taylor]: Taking taylor expansion of y in y
0.112 * [backup-simplify]: Simplify 0 into 0
0.112 * [backup-simplify]: Simplify 1 into 1
0.113 * [backup-simplify]: Simplify (/ 1 1) into 1
0.113 * [backup-simplify]: Simplify (* 500.0 1) into 500.0
0.113 * [backup-simplify]: Simplify 500.0 into 500.0
0.113 * [backup-simplify]: Simplify -500.0 into -500.0
0.113 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0
0.114 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.114 * [backup-simplify]: Simplify (- 0) into 0
0.114 * [backup-simplify]: Simplify (+ 0 0) into 0
0.115 * [backup-simplify]: Simplify (+ (* 500.0 0) (+ (* 0 (/ 1 y)) (* 0 -1))) into 0
0.115 * [taylor]: Taking taylor expansion of 0 in y
0.115 * [backup-simplify]: Simplify 0 into 0
0.115 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.116 * [backup-simplify]: Simplify (+ (* 500.0 0) (* 0 1)) into 0
0.116 * [backup-simplify]: Simplify 0 into 0
0.116 * [backup-simplify]: Simplify 0 into 0
0.116 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0
0.117 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.117 * [backup-simplify]: Simplify (- 0) into 0
0.118 * [backup-simplify]: Simplify (+ 0 0) into 0
0.119 * [backup-simplify]: Simplify (+ (* 500.0 0) (+ (* 0 0) (+ (* 0 (/ 1 y)) (* 0 -1)))) into 0
0.119 * [taylor]: Taking taylor expansion of 0 in y
0.119 * [backup-simplify]: Simplify 0 into 0
0.119 * [backup-simplify]: Simplify 0 into 0
0.120 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.121 * [backup-simplify]: Simplify (+ (* 500.0 0) (+ (* 0 0) (* 0 1))) into 0
0.121 * [backup-simplify]: Simplify 0 into 0
0.121 * [backup-simplify]: Simplify 0 into 0
0.121 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)) (* 0 (/ 0 y)))) into 0
0.122 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.122 * [backup-simplify]: Simplify (- 0) into 0
0.123 * [backup-simplify]: Simplify (+ 0 0) into 0
0.124 * [backup-simplify]: Simplify (+ (* 500.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 (/ 1 y)) (* 0 -1))))) into 0
0.124 * [taylor]: Taking taylor expansion of 0 in y
0.124 * [backup-simplify]: Simplify 0 into 0
0.124 * [backup-simplify]: Simplify 0 into 0
0.124 * [backup-simplify]: Simplify (+ (* -500.0 (* 1 (/ 1 (/ 1 (- x))))) (* 500.0 (* (/ 1 (/ 1 (- y))) 1))) into (- (* 500.0 x) (* 500.0 y))
0.124 * * * [progress]: simplifying candidates
0.125 * [simplify]: Simplifying:
  (* 500.0 (- x y))
  (+ (log 500.0) (log (- x y)))
  (log (* 500.0 (- x y)))
  (exp (* 500.0 (- x y)))
  (* (* (* 500.0 500.0) 500.0) (* (* (- x y) (- x y)) (- x y)))
  (* (cbrt (* 500.0 (- x y))) (cbrt (* 500.0 (- x y))))
  (cbrt (* 500.0 (- x y)))
  (* (* (* 500.0 (- x y)) (* 500.0 (- x y))) (* 500.0 (- x y)))
  (sqrt (* 500.0 (- x y)))
  (sqrt (* 500.0 (- x y)))
  (* (sqrt 500.0) (sqrt (- x y)))
  (* (sqrt 500.0) (sqrt (- x y)))
  (* 500.0 x)
  (* 500.0 (- y))
  (* 500.0 x)
  (* 500.0 (- y))
  (* x 500.0)
  (* (- y) 500.0)
  (* x 500.0)
  (* (- y) 500.0)
  (* 500.0 (* (cbrt (- x y)) (cbrt (- x y))))
  (* 500.0 (sqrt (- x y)))
  (* 500.0 1)
  (* 500.0 (+ (sqrt x) (sqrt y)))
  (* 500.0 1)
  (* (cbrt 500.0) (- x y))
  (* (sqrt 500.0) (- x y))
  (* 500.0 (- x y))
  (* 500.0 (- (pow x 3) (pow y 3)))
  (* 500.0 (- (* x x) (* y y)))
  (- (* 500.0 x) (* 500.0 y))
  (- (* 500.0 x) (* 500.0 y))
  (- (* 500.0 x) (* 500.0 y))
0.126 * * [simplify]: iteration 0: 52 enodes
0.150 * * [simplify]: iteration 1: 125 enodes
0.190 * * [simplify]: iteration 2: 385 enodes
0.508 * * [simplify]: iteration 3: 1660 enodes
1.079 * * [simplify]: iteration complete: 5001 enodes
1.079 * * [simplify]: Extracting #0: cost 18 inf + 0
1.079 * * [simplify]: Extracting #1: cost 299 inf + 1
1.082 * * [simplify]: Extracting #2: cost 1323 inf + 301
1.091 * * [simplify]: Extracting #3: cost 1317 inf + 5872
1.097 * * [simplify]: Extracting #4: cost 337 inf + 17657
1.103 * * [simplify]: Extracting #5: cost 64 inf + 20810
1.109 * * [simplify]: Extracting #6: cost 42 inf + 20998
1.114 * * [simplify]: Extracting #7: cost 8 inf + 21133
1.121 * * [simplify]: Extracting #8: cost 0 inf + 21173
1.127 * [simplify]: Simplified to:
  (* (- x y) 500.0)
  (log (* (- x y) 500.0))
  (log (* (- x y) 500.0))
  (pow (exp 500.0) (- x y))
  (pow (* (- x y) 500.0) 3)
  (* (cbrt (* (- x y) 500.0)) (cbrt (* (- x y) 500.0)))
  (cbrt (* (- x y) 500.0))
  (pow (* (- x y) 500.0) 3)
  (sqrt (* (- x y) 500.0))
  (sqrt (* (- x y) 500.0))
  (* (sqrt 500.0) (sqrt (- x y)))
  (* (sqrt 500.0) (sqrt (- x y)))
  (* 500.0 x)
  (* y (- 500.0))
  (* 500.0 x)
  (* y (- 500.0))
  (* 500.0 x)
  (* y (- 500.0))
  (* 500.0 x)
  (* y (- 500.0))
  (* (cbrt (- x y)) (* 500.0 (cbrt (- x y))))
  (* (sqrt (- x y)) 500.0)
  500.0
  (* (+ (sqrt y) (sqrt x)) 500.0)
  500.0
  (* (cbrt 500.0) (- x y))
  (* (sqrt 500.0) (- x y))
  (* (- x y) 500.0)
  (* 500.0 (- (pow x 3) (pow y 3)))
  (* (+ x y) (* (- x y) 500.0))
  (* (- x y) 500.0)
  (* (- x y) 500.0)
  (* (- x y) 500.0)
1.128 * * * [progress]: adding candidates to table
1.200 * * [progress]: iteration 2 / 4
1.200 * * * [progress]: picking best candidate
1.203 * * * * [pick]: Picked  #<alt (λ (x y) (+ (* 500.0 x) (* y (- 500.0))))>
1.203 * * * [progress]: localizing error
1.212 * * * [progress]: generating rewritten candidates
1.212 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
1.218 * * * [progress]: generating series expansions
1.218 * * * * [progress]: [ 1 / 1 ] generating series at (2)
1.218 * [backup-simplify]: Simplify (+ (* 500.0 x) (* y (- 500.0))) into (- (* 500.0 x) (* 500.0 y))
1.218 * [approximate]: Taking taylor expansion of (- (* 500.0 x) (* 500.0 y)) in (x y) around 0
1.218 * [taylor]: Taking taylor expansion of (- (* 500.0 x) (* 500.0 y)) in y
1.218 * [taylor]: Taking taylor expansion of (* 500.0 x) in y
1.218 * [taylor]: Taking taylor expansion of 500.0 in y
1.218 * [backup-simplify]: Simplify 500.0 into 500.0
1.218 * [taylor]: Taking taylor expansion of x in y
1.218 * [backup-simplify]: Simplify x into x
1.218 * [taylor]: Taking taylor expansion of (* 500.0 y) in y
1.218 * [taylor]: Taking taylor expansion of 500.0 in y
1.219 * [backup-simplify]: Simplify 500.0 into 500.0
1.219 * [taylor]: Taking taylor expansion of y in y
1.219 * [backup-simplify]: Simplify 0 into 0
1.219 * [backup-simplify]: Simplify 1 into 1
1.219 * [taylor]: Taking taylor expansion of (- (* 500.0 x) (* 500.0 y)) in x
1.219 * [taylor]: Taking taylor expansion of (* 500.0 x) in x
1.219 * [taylor]: Taking taylor expansion of 500.0 in x
1.219 * [backup-simplify]: Simplify 500.0 into 500.0
1.219 * [taylor]: Taking taylor expansion of x in x
1.219 * [backup-simplify]: Simplify 0 into 0
1.219 * [backup-simplify]: Simplify 1 into 1
1.219 * [taylor]: Taking taylor expansion of (* 500.0 y) in x
1.219 * [taylor]: Taking taylor expansion of 500.0 in x
1.219 * [backup-simplify]: Simplify 500.0 into 500.0
1.219 * [taylor]: Taking taylor expansion of y in x
1.219 * [backup-simplify]: Simplify y into y
1.219 * [taylor]: Taking taylor expansion of (- (* 500.0 x) (* 500.0 y)) in x
1.219 * [taylor]: Taking taylor expansion of (* 500.0 x) in x
1.219 * [taylor]: Taking taylor expansion of 500.0 in x
1.219 * [backup-simplify]: Simplify 500.0 into 500.0
1.219 * [taylor]: Taking taylor expansion of x in x
1.219 * [backup-simplify]: Simplify 0 into 0
1.219 * [backup-simplify]: Simplify 1 into 1
1.219 * [taylor]: Taking taylor expansion of (* 500.0 y) in x
1.219 * [taylor]: Taking taylor expansion of 500.0 in x
1.219 * [backup-simplify]: Simplify 500.0 into 500.0
1.219 * [taylor]: Taking taylor expansion of y in x
1.219 * [backup-simplify]: Simplify y into y
1.219 * [backup-simplify]: Simplify (* 500.0 0) into 0
1.219 * [backup-simplify]: Simplify (* 500.0 y) into (* 500.0 y)
1.219 * [backup-simplify]: Simplify (- (* 500.0 y)) into (- (* 500.0 y))
1.219 * [backup-simplify]: Simplify (+ 0 (- (* 500.0 y))) into (- (* 500.0 y))
1.219 * [taylor]: Taking taylor expansion of (- (* 500.0 y)) in y
1.219 * [taylor]: Taking taylor expansion of (* 500.0 y) in y
1.219 * [taylor]: Taking taylor expansion of 500.0 in y
1.220 * [backup-simplify]: Simplify 500.0 into 500.0
1.220 * [taylor]: Taking taylor expansion of y in y
1.220 * [backup-simplify]: Simplify 0 into 0
1.220 * [backup-simplify]: Simplify 1 into 1
1.220 * [backup-simplify]: Simplify (* 500.0 0) into 0
1.220 * [backup-simplify]: Simplify (- 0) into 0
1.220 * [backup-simplify]: Simplify 0 into 0
1.221 * [backup-simplify]: Simplify (+ (* 500.0 1) (* 0 0)) into 500.0
1.221 * [backup-simplify]: Simplify (+ (* 500.0 0) (* 0 y)) into 0
1.222 * [backup-simplify]: Simplify (- 0) into 0
1.222 * [backup-simplify]: Simplify (+ 500.0 0) into 500.0
1.222 * [taylor]: Taking taylor expansion of 500.0 in y
1.222 * [backup-simplify]: Simplify 500.0 into 500.0
1.222 * [backup-simplify]: Simplify 500.0 into 500.0
1.223 * [backup-simplify]: Simplify (+ (* 500.0 1) (* 0 0)) into 500.0
1.223 * [backup-simplify]: Simplify (- 500.0) into (- 500.0)
1.223 * [backup-simplify]: Simplify (- 500.0) into (- 500.0)
1.224 * [backup-simplify]: Simplify (+ (* 500.0 0) (+ (* 0 1) (* 0 0))) into 0
1.224 * [backup-simplify]: Simplify (+ (* 500.0 0) (+ (* 0 0) (* 0 y))) into 0
1.225 * [backup-simplify]: Simplify (- 0) into 0
1.225 * [backup-simplify]: Simplify (+ 0 0) into 0
1.225 * [taylor]: Taking taylor expansion of 0 in y
1.225 * [backup-simplify]: Simplify 0 into 0
1.225 * [backup-simplify]: Simplify 0 into 0
1.225 * [backup-simplify]: Simplify 0 into 0
1.226 * [backup-simplify]: Simplify (+ (* 500.0 0) (+ (* 0 1) (* 0 0))) into 0
1.226 * [backup-simplify]: Simplify (- 0) into 0
1.226 * [backup-simplify]: Simplify 0 into 0
1.227 * [backup-simplify]: Simplify (+ (* 500.0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))) into 0
1.228 * [backup-simplify]: Simplify (+ (* 500.0 0) (+ (* 0 0) (+ (* 0 0) (* 0 y)))) into 0
1.228 * [backup-simplify]: Simplify (- 0) into 0
1.228 * [backup-simplify]: Simplify (+ 0 0) into 0
1.228 * [taylor]: Taking taylor expansion of 0 in y
1.228 * [backup-simplify]: Simplify 0 into 0
1.228 * [backup-simplify]: Simplify 0 into 0
1.228 * [backup-simplify]: Simplify 0 into 0
1.228 * [backup-simplify]: Simplify 0 into 0
1.228 * [backup-simplify]: Simplify (+ (* (- 500.0) (* y 1)) (* 500.0 (* 1 x))) into (- (* 500.0 x) (* 500.0 y))
1.229 * [backup-simplify]: Simplify (+ (* 500.0 (/ 1 x)) (* (/ 1 y) (- 500.0))) into (- (* 500.0 (/ 1 x)) (* 500.0 (/ 1 y)))
1.229 * [approximate]: Taking taylor expansion of (- (* 500.0 (/ 1 x)) (* 500.0 (/ 1 y))) in (x y) around 0
1.229 * [taylor]: Taking taylor expansion of (- (* 500.0 (/ 1 x)) (* 500.0 (/ 1 y))) in y
1.229 * [taylor]: Taking taylor expansion of (* 500.0 (/ 1 x)) in y
1.229 * [taylor]: Taking taylor expansion of 500.0 in y
1.229 * [backup-simplify]: Simplify 500.0 into 500.0
1.229 * [taylor]: Taking taylor expansion of (/ 1 x) in y
1.229 * [taylor]: Taking taylor expansion of x in y
1.229 * [backup-simplify]: Simplify x into x
1.229 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
1.229 * [taylor]: Taking taylor expansion of (* 500.0 (/ 1 y)) in y
1.229 * [taylor]: Taking taylor expansion of 500.0 in y
1.229 * [backup-simplify]: Simplify 500.0 into 500.0
1.229 * [taylor]: Taking taylor expansion of (/ 1 y) in y
1.229 * [taylor]: Taking taylor expansion of y in y
1.229 * [backup-simplify]: Simplify 0 into 0
1.229 * [backup-simplify]: Simplify 1 into 1
1.229 * [backup-simplify]: Simplify (/ 1 1) into 1
1.229 * [taylor]: Taking taylor expansion of (- (* 500.0 (/ 1 x)) (* 500.0 (/ 1 y))) in x
1.229 * [taylor]: Taking taylor expansion of (* 500.0 (/ 1 x)) in x
1.229 * [taylor]: Taking taylor expansion of 500.0 in x
1.229 * [backup-simplify]: Simplify 500.0 into 500.0
1.229 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.229 * [taylor]: Taking taylor expansion of x in x
1.229 * [backup-simplify]: Simplify 0 into 0
1.229 * [backup-simplify]: Simplify 1 into 1
1.230 * [backup-simplify]: Simplify (/ 1 1) into 1
1.230 * [taylor]: Taking taylor expansion of (* 500.0 (/ 1 y)) in x
1.230 * [taylor]: Taking taylor expansion of 500.0 in x
1.230 * [backup-simplify]: Simplify 500.0 into 500.0
1.230 * [taylor]: Taking taylor expansion of (/ 1 y) in x
1.230 * [taylor]: Taking taylor expansion of y in x
1.230 * [backup-simplify]: Simplify y into y
1.230 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
1.230 * [taylor]: Taking taylor expansion of (- (* 500.0 (/ 1 x)) (* 500.0 (/ 1 y))) in x
1.230 * [taylor]: Taking taylor expansion of (* 500.0 (/ 1 x)) in x
1.230 * [taylor]: Taking taylor expansion of 500.0 in x
1.230 * [backup-simplify]: Simplify 500.0 into 500.0
1.230 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.230 * [taylor]: Taking taylor expansion of x in x
1.230 * [backup-simplify]: Simplify 0 into 0
1.230 * [backup-simplify]: Simplify 1 into 1
1.230 * [backup-simplify]: Simplify (/ 1 1) into 1
1.230 * [taylor]: Taking taylor expansion of (* 500.0 (/ 1 y)) in x
1.230 * [taylor]: Taking taylor expansion of 500.0 in x
1.230 * [backup-simplify]: Simplify 500.0 into 500.0
1.230 * [taylor]: Taking taylor expansion of (/ 1 y) in x
1.230 * [taylor]: Taking taylor expansion of y in x
1.230 * [backup-simplify]: Simplify y into y
1.230 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
1.231 * [backup-simplify]: Simplify (* 500.0 1) into 500.0
1.231 * [backup-simplify]: Simplify (+ 500.0 0) into 500.0
1.231 * [taylor]: Taking taylor expansion of 500.0 in y
1.231 * [backup-simplify]: Simplify 500.0 into 500.0
1.231 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
1.232 * [backup-simplify]: Simplify (+ (* 500.0 0) (* 0 1)) into 0
1.232 * [backup-simplify]: Simplify (* 500.0 (/ 1 y)) into (/ 500.0 y)
1.232 * [backup-simplify]: Simplify (- (/ 500.0 y)) into (- (* 500.0 (/ 1 y)))
1.232 * [backup-simplify]: Simplify (+ 0 (- (* 500.0 (/ 1 y)))) into (- (* 500.0 (/ 1 y)))
1.232 * [taylor]: Taking taylor expansion of (- (* 500.0 (/ 1 y))) in y
1.232 * [taylor]: Taking taylor expansion of (* 500.0 (/ 1 y)) in y
1.232 * [taylor]: Taking taylor expansion of 500.0 in y
1.232 * [backup-simplify]: Simplify 500.0 into 500.0
1.232 * [taylor]: Taking taylor expansion of (/ 1 y) in y
1.232 * [taylor]: Taking taylor expansion of y in y
1.232 * [backup-simplify]: Simplify 0 into 0
1.232 * [backup-simplify]: Simplify 1 into 1
1.232 * [backup-simplify]: Simplify (/ 1 1) into 1
1.233 * [backup-simplify]: Simplify (* 500.0 1) into 500.0
1.233 * [backup-simplify]: Simplify (- 500.0) into (- 500.0)
1.233 * [backup-simplify]: Simplify (- 500.0) into (- 500.0)
1.233 * [backup-simplify]: Simplify 500.0 into 500.0
1.234 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
1.234 * [backup-simplify]: Simplify (+ (* 500.0 0) (+ (* 0 0) (* 0 1))) into 0
1.234 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0
1.235 * [backup-simplify]: Simplify (+ (* 500.0 0) (* 0 (/ 1 y))) into 0
1.235 * [backup-simplify]: Simplify (- 0) into 0
1.235 * [backup-simplify]: Simplify (+ 0 0) into 0
1.235 * [taylor]: Taking taylor expansion of 0 in y
1.235 * [backup-simplify]: Simplify 0 into 0
1.236 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
1.236 * [backup-simplify]: Simplify (+ (* 500.0 0) (* 0 1)) into 0
1.236 * [backup-simplify]: Simplify (- 0) into 0
1.236 * [backup-simplify]: Simplify 0 into 0
1.236 * [backup-simplify]: Simplify 0 into 0
1.237 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
1.238 * [backup-simplify]: Simplify (+ (* 500.0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
1.238 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0
1.238 * [backup-simplify]: Simplify (+ (* 500.0 0) (+ (* 0 0) (* 0 (/ 1 y)))) into 0
1.238 * [backup-simplify]: Simplify (- 0) into 0
1.239 * [backup-simplify]: Simplify (+ 0 0) into 0
1.239 * [taylor]: Taking taylor expansion of 0 in y
1.239 * [backup-simplify]: Simplify 0 into 0
1.239 * [backup-simplify]: Simplify 0 into 0
1.239 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
1.240 * [backup-simplify]: Simplify (+ (* 500.0 0) (+ (* 0 0) (* 0 1))) into 0
1.240 * [backup-simplify]: Simplify (- 0) into 0
1.240 * [backup-simplify]: Simplify 0 into 0
1.240 * [backup-simplify]: Simplify 0 into 0
1.241 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
1.241 * [backup-simplify]: Simplify (+ (* 500.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
1.241 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)) (* 0 (/ 0 y)))) into 0
1.242 * [backup-simplify]: Simplify (+ (* 500.0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (/ 1 y))))) into 0
1.242 * [backup-simplify]: Simplify (- 0) into 0
1.243 * [backup-simplify]: Simplify (+ 0 0) into 0
1.243 * [taylor]: Taking taylor expansion of 0 in y
1.243 * [backup-simplify]: Simplify 0 into 0
1.243 * [backup-simplify]: Simplify 0 into 0
1.243 * [backup-simplify]: Simplify (+ (* 500.0 (* 1 (/ 1 (/ 1 x)))) (* (- 500.0) (* (/ 1 (/ 1 y)) 1))) into (- (* 500.0 x) (* 500.0 y))
1.243 * [backup-simplify]: Simplify (+ (* 500.0 (/ 1 (- x))) (* (/ 1 (- y)) (- 500.0))) into (- (* 500.0 (/ 1 y)) (* 500.0 (/ 1 x)))
1.243 * [approximate]: Taking taylor expansion of (- (* 500.0 (/ 1 y)) (* 500.0 (/ 1 x))) in (x y) around 0
1.244 * [taylor]: Taking taylor expansion of (- (* 500.0 (/ 1 y)) (* 500.0 (/ 1 x))) in y
1.244 * [taylor]: Taking taylor expansion of (* 500.0 (/ 1 y)) in y
1.244 * [taylor]: Taking taylor expansion of 500.0 in y
1.244 * [backup-simplify]: Simplify 500.0 into 500.0
1.244 * [taylor]: Taking taylor expansion of (/ 1 y) in y
1.244 * [taylor]: Taking taylor expansion of y in y
1.244 * [backup-simplify]: Simplify 0 into 0
1.244 * [backup-simplify]: Simplify 1 into 1
1.244 * [backup-simplify]: Simplify (/ 1 1) into 1
1.244 * [taylor]: Taking taylor expansion of (* 500.0 (/ 1 x)) in y
1.244 * [taylor]: Taking taylor expansion of 500.0 in y
1.244 * [backup-simplify]: Simplify 500.0 into 500.0
1.244 * [taylor]: Taking taylor expansion of (/ 1 x) in y
1.244 * [taylor]: Taking taylor expansion of x in y
1.244 * [backup-simplify]: Simplify x into x
1.244 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
1.244 * [taylor]: Taking taylor expansion of (- (* 500.0 (/ 1 y)) (* 500.0 (/ 1 x))) in x
1.244 * [taylor]: Taking taylor expansion of (* 500.0 (/ 1 y)) in x
1.244 * [taylor]: Taking taylor expansion of 500.0 in x
1.244 * [backup-simplify]: Simplify 500.0 into 500.0
1.244 * [taylor]: Taking taylor expansion of (/ 1 y) in x
1.244 * [taylor]: Taking taylor expansion of y in x
1.244 * [backup-simplify]: Simplify y into y
1.244 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
1.244 * [taylor]: Taking taylor expansion of (* 500.0 (/ 1 x)) in x
1.244 * [taylor]: Taking taylor expansion of 500.0 in x
1.244 * [backup-simplify]: Simplify 500.0 into 500.0
1.244 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.244 * [taylor]: Taking taylor expansion of x in x
1.244 * [backup-simplify]: Simplify 0 into 0
1.244 * [backup-simplify]: Simplify 1 into 1
1.245 * [backup-simplify]: Simplify (/ 1 1) into 1
1.245 * [taylor]: Taking taylor expansion of (- (* 500.0 (/ 1 y)) (* 500.0 (/ 1 x))) in x
1.245 * [taylor]: Taking taylor expansion of (* 500.0 (/ 1 y)) in x
1.245 * [taylor]: Taking taylor expansion of 500.0 in x
1.245 * [backup-simplify]: Simplify 500.0 into 500.0
1.245 * [taylor]: Taking taylor expansion of (/ 1 y) in x
1.245 * [taylor]: Taking taylor expansion of y in x
1.245 * [backup-simplify]: Simplify y into y
1.245 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
1.245 * [taylor]: Taking taylor expansion of (* 500.0 (/ 1 x)) in x
1.245 * [taylor]: Taking taylor expansion of 500.0 in x
1.245 * [backup-simplify]: Simplify 500.0 into 500.0
1.245 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.245 * [taylor]: Taking taylor expansion of x in x
1.245 * [backup-simplify]: Simplify 0 into 0
1.245 * [backup-simplify]: Simplify 1 into 1
1.245 * [backup-simplify]: Simplify (/ 1 1) into 1
1.245 * [backup-simplify]: Simplify (* 500.0 1) into 500.0
1.246 * [backup-simplify]: Simplify (- 500.0) into (- 500.0)
1.246 * [backup-simplify]: Simplify (+ 0 (- 500.0)) into (- 500.0)
1.246 * [taylor]: Taking taylor expansion of (- 500.0) in y
1.246 * [taylor]: Taking taylor expansion of 500.0 in y
1.246 * [backup-simplify]: Simplify 500.0 into 500.0
1.246 * [backup-simplify]: Simplify (* 500.0 (/ 1 y)) into (/ 500.0 y)
1.247 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
1.247 * [backup-simplify]: Simplify (+ (* 500.0 0) (* 0 1)) into 0
1.247 * [backup-simplify]: Simplify (- 0) into 0
1.248 * [backup-simplify]: Simplify (+ (/ 500.0 y) 0) into (* 500.0 (/ 1 y))
1.248 * [taylor]: Taking taylor expansion of (* 500.0 (/ 1 y)) in y
1.248 * [taylor]: Taking taylor expansion of 500.0 in y
1.248 * [backup-simplify]: Simplify 500.0 into 500.0
1.248 * [taylor]: Taking taylor expansion of (/ 1 y) in y
1.248 * [taylor]: Taking taylor expansion of y in y
1.248 * [backup-simplify]: Simplify 0 into 0
1.248 * [backup-simplify]: Simplify 1 into 1
1.248 * [backup-simplify]: Simplify (/ 1 1) into 1
1.248 * [backup-simplify]: Simplify (* 500.0 1) into 500.0
1.248 * [backup-simplify]: Simplify 500.0 into 500.0
1.248 * [backup-simplify]: Simplify (- 500.0) into (- 500.0)
1.249 * [backup-simplify]: Simplify (- 500.0) into (- 500.0)
1.249 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0
1.249 * [backup-simplify]: Simplify (+ (* 500.0 0) (* 0 (/ 1 y))) into 0
1.250 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
1.251 * [backup-simplify]: Simplify (+ (* 500.0 0) (+ (* 0 0) (* 0 1))) into 0
1.251 * [backup-simplify]: Simplify (- 0) into 0
1.252 * [backup-simplify]: Simplify (+ 0 0) into 0
1.252 * [taylor]: Taking taylor expansion of 0 in y
1.252 * [backup-simplify]: Simplify 0 into 0
1.252 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
1.253 * [backup-simplify]: Simplify (+ (* 500.0 0) (* 0 1)) into 0
1.253 * [backup-simplify]: Simplify 0 into 0
1.253 * [backup-simplify]: Simplify (- 0) into 0
1.253 * [backup-simplify]: Simplify 0 into 0
1.253 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0
1.254 * [backup-simplify]: Simplify (+ (* 500.0 0) (+ (* 0 0) (* 0 (/ 1 y)))) into 0
1.254 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
1.255 * [backup-simplify]: Simplify (+ (* 500.0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
1.255 * [backup-simplify]: Simplify (- 0) into 0
1.256 * [backup-simplify]: Simplify (+ 0 0) into 0
1.256 * [taylor]: Taking taylor expansion of 0 in y
1.256 * [backup-simplify]: Simplify 0 into 0
1.256 * [backup-simplify]: Simplify 0 into 0
1.256 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
1.257 * [backup-simplify]: Simplify (+ (* 500.0 0) (+ (* 0 0) (* 0 1))) into 0
1.257 * [backup-simplify]: Simplify 0 into 0
1.257 * [backup-simplify]: Simplify (- 0) into 0
1.257 * [backup-simplify]: Simplify 0 into 0
1.257 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)) (* 0 (/ 0 y)))) into 0
1.258 * [backup-simplify]: Simplify (+ (* 500.0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (/ 1 y))))) into 0
1.258 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
1.259 * [backup-simplify]: Simplify (+ (* 500.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
1.259 * [backup-simplify]: Simplify (- 0) into 0
1.260 * [backup-simplify]: Simplify (+ 0 0) into 0
1.260 * [taylor]: Taking taylor expansion of 0 in y
1.260 * [backup-simplify]: Simplify 0 into 0
1.260 * [backup-simplify]: Simplify 0 into 0
1.260 * [backup-simplify]: Simplify (+ (* (- 500.0) (* 1 (/ 1 (/ 1 (- x))))) (* 500.0 (* (/ 1 (/ 1 (- y))) 1))) into (- (* 500.0 x) (* 500.0 y))
1.260 * * * [progress]: simplifying candidates
1.260 * [simplify]: Simplifying:
  (* (exp (* 500.0 x)) (exp (* y (- 500.0))))
  (log (+ (* 500.0 x) (* y (- 500.0))))
  (exp (+ (* 500.0 x) (* y (- 500.0))))
  (* (cbrt (+ (* 500.0 x) (* y (- 500.0)))) (cbrt (+ (* 500.0 x) (* y (- 500.0)))))
  (cbrt (+ (* 500.0 x) (* y (- 500.0))))
  (* (* (+ (* 500.0 x) (* y (- 500.0))) (+ (* 500.0 x) (* y (- 500.0)))) (+ (* 500.0 x) (* y (- 500.0))))
  (sqrt (+ (* 500.0 x) (* y (- 500.0))))
  (sqrt (+ (* 500.0 x) (* y (- 500.0))))
  (+ (pow (* 500.0 x) 3) (pow (* y (- 500.0)) 3))
  (+ (* (* 500.0 x) (* 500.0 x)) (- (* (* y (- 500.0)) (* y (- 500.0))) (* (* 500.0 x) (* y (- 500.0)))))
  (- (* (* 500.0 x) (* 500.0 x)) (* (* y (- 500.0)) (* y (- 500.0))))
  (- (* 500.0 x) (* y (- 500.0)))
  (- (* 500.0 x) (* 500.0 y))
  (- (* 500.0 x) (* 500.0 y))
  (- (* 500.0 x) (* 500.0 y))
1.261 * * [simplify]: iteration 0: 30 enodes
1.267 * * [simplify]: iteration 1: 106 enodes
1.298 * * [simplify]: iteration 2: 453 enodes
1.681 * * [simplify]: iteration 3: 2981 enodes
2.849 * * [simplify]: iteration complete: 5000 enodes
2.849 * * [simplify]: Extracting #0: cost 11 inf + 0
2.849 * * [simplify]: Extracting #1: cost 170 inf + 0
2.852 * * [simplify]: Extracting #2: cost 1162 inf + 19
2.857 * * [simplify]: Extracting #3: cost 1457 inf + 522
2.862 * * [simplify]: Extracting #4: cost 744 inf + 4970
2.867 * * [simplify]: Extracting #5: cost 166 inf + 10491
2.872 * * [simplify]: Extracting #6: cost 16 inf + 11825
2.881 * * [simplify]: Extracting #7: cost 0 inf + 11960
2.886 * [simplify]: Simplified to:
  (pow (exp (- x y)) 500.0)
  (log (* (- x y) 500.0))
  (pow (exp (- x y)) 500.0)
  (* (cbrt (* (- x y) 500.0)) (cbrt (* (- x y) 500.0)))
  (cbrt (* (- x y) 500.0))
  (pow (* (- x y) 500.0) 3)
  (sqrt (* (- x y) 500.0))
  (sqrt (* (- x y) 500.0))
  (- (pow (* 500.0 x) 3) (pow (* y 500.0) 3))
  (+ (* (* 500.0 500.0) (* y y)) (* (* 500.0 x) (* 500.0 (+ y x))))
  (* (- x y) (* 500.0 (* 500.0 (+ y x))))
  (* 500.0 (+ y x))
  (* (- x y) 500.0)
  (* (- x y) 500.0)
  (* (- x y) 500.0)
2.886 * * * [progress]: adding candidates to table
2.929 * [progress]: [Phase 3 of 3] Extracting.
2.929 * * [regime]: Finding splitpoints for: (#<alt (λ (x y) (+ (* 500.0 x) (* y (- 500.0))))> #<alt (λ (x y) (* 500.0 (- x y)))>)
2.929 * * * [regime-changes]: Trying 4 branch expressions: ((- x y) (* 500.0 (- x y)) y x)
2.929 * * * * [regimes]: Trying to branch on (- x y) from (#<alt (λ (x y) (+ (* 500.0 x) (* y (- 500.0))))> #<alt (λ (x y) (* 500.0 (- x y)))>)
2.957 * * * * [regimes]: Trying to branch on (* 500.0 (- x y)) from (#<alt (λ (x y) (+ (* 500.0 x) (* y (- 500.0))))> #<alt (λ (x y) (* 500.0 (- x y)))>)
2.984 * * * * [regimes]: Trying to branch on y from (#<alt (λ (x y) (+ (* 500.0 x) (* y (- 500.0))))> #<alt (λ (x y) (* 500.0 (- x y)))>)
3.009 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x y) (+ (* 500.0 x) (* y (- 500.0))))> #<alt (λ (x y) (* 500.0 (- x y)))>)
3.037 * * * [regime]: Found split indices: #<option (#s(si 0 255))>
3.037 * [simplify]: Simplifying:
  (+ (* 500.0 x) (* y (- 500.0)))
3.037 * * [simplify]: iteration 0: 7 enodes
3.038 * * [simplify]: iteration 1: 12 enodes
3.039 * * [simplify]: iteration 2: 16 enodes
3.040 * * [simplify]: iteration 3: 17 enodes
3.041 * * [simplify]: iteration complete: 17 enodes
3.041 * * [simplify]: Extracting #0: cost 1 inf + 0
3.041 * * [simplify]: Extracting #1: cost 3 inf + 0
3.041 * * [simplify]: Extracting #2: cost 9 inf + 0
3.041 * * [simplify]: Extracting #3: cost 5 inf + 5
3.041 * * [simplify]: Extracting #4: cost 0 inf + 25
3.041 * [simplify]: Simplified to:
  (+ (* (- y) 500.0) (* 500.0 x))
4.311 * [regime-testing]: Baseline error score: 0.015575067195989644
4.323 * [regime-testing]: Oracle error score: 0.006750843855481936
4.339 * [regime-testing]: End program error score: 0.015575067195989644