27.941 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.014 * * * [progress]: [2/2] Setting up program.
0.018 * [progress]: [Phase 2 of 3] Improving.
0.018 * [simplify]: Simplifying:
  (* 500.0 (- x y))
0.018 * * [simplify]: iteration 0: 5 enodes
0.019 * * [simplify]: iteration 1: 8 enodes
0.020 * * [simplify]: iteration 2: 15 enodes
0.023 * * [simplify]: iteration 3: 23 enodes
0.027 * * [simplify]: iteration 4: 30 enodes
0.032 * * [simplify]: iteration 5: 32 enodes
0.037 * * [simplify]: iteration complete: 32 enodes
0.037 * * [simplify]: Extracting #0: cost 1 inf + 0
0.037 * * [simplify]: Extracting #1: cost 10 inf + 0
0.037 * * [simplify]: Extracting #2: cost 7 inf + 3
0.037 * * [simplify]: Extracting #3: cost 0 inf + 25
0.037 * [simplify]: Simplified to:
  (* (- x y) 500.0)
0.043 * * [progress]: iteration 1 / 4
0.043 * * * [progress]: picking best candidate
0.047 * * * * [pick]: Picked  #<alt (λ (x y) (* 500.0 (- x y)))>
0.047 * * * [progress]: localizing error
0.054 * * * [progress]: generating rewritten candidates
0.054 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.083 * * * [progress]: generating series expansions
0.083 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.083 * [backup-simplify]: Simplify (* 500.0 (- x y)) into (* 500.0 (- x y))
0.083 * [approximate]: Taking taylor expansion of (* 500.0 (- x y)) in (x y) around 0
0.083 * [taylor]: Taking taylor expansion of (* 500.0 (- x y)) in y
0.083 * [taylor]: Taking taylor expansion of 500.0 in y
0.083 * [backup-simplify]: Simplify 500.0 into 500.0
0.083 * [taylor]: Taking taylor expansion of (- x y) in y
0.083 * [taylor]: Taking taylor expansion of x in y
0.083 * [backup-simplify]: Simplify x into x
0.083 * [taylor]: Taking taylor expansion of y in y
0.083 * [backup-simplify]: Simplify 0 into 0
0.083 * [backup-simplify]: Simplify 1 into 1
0.083 * [taylor]: Taking taylor expansion of (* 500.0 (- x y)) in x
0.083 * [taylor]: Taking taylor expansion of 500.0 in x
0.083 * [backup-simplify]: Simplify 500.0 into 500.0
0.083 * [taylor]: Taking taylor expansion of (- x y) 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 * [taylor]: Taking taylor expansion of y in x
0.084 * [backup-simplify]: Simplify y into y
0.084 * [taylor]: Taking taylor expansion of (* 500.0 (- x y)) in x
0.084 * [taylor]: Taking taylor expansion of 500.0 in x
0.084 * [backup-simplify]: Simplify 500.0 into 500.0
0.084 * [taylor]: Taking taylor expansion of (- x y) in x
0.084 * [taylor]: Taking taylor expansion of x in x
0.084 * [backup-simplify]: Simplify 0 into 0
0.084 * [backup-simplify]: Simplify 1 into 1
0.084 * [taylor]: Taking taylor expansion of y in x
0.084 * [backup-simplify]: Simplify y into y
0.084 * [backup-simplify]: Simplify (- y) into (- y)
0.084 * [backup-simplify]: Simplify (+ 0 (- y)) into (- y)
0.084 * [backup-simplify]: Simplify (* 500.0 (- y)) into (* -500.0 y)
0.084 * [taylor]: Taking taylor expansion of (* -500.0 y) in y
0.084 * [taylor]: Taking taylor expansion of -500.0 in y
0.084 * [backup-simplify]: Simplify -500.0 into -500.0
0.084 * [taylor]: Taking taylor expansion of y in y
0.084 * [backup-simplify]: Simplify 0 into 0
0.084 * [backup-simplify]: Simplify 1 into 1
0.085 * [backup-simplify]: Simplify (* -500.0 0) into 0
0.085 * [backup-simplify]: Simplify 0 into 0
0.085 * [backup-simplify]: Simplify (- 0) into 0
0.085 * [backup-simplify]: Simplify (+ 1 0) into 1
0.086 * [backup-simplify]: Simplify (+ (* 500.0 1) (* 0 (- y))) into 500.0
0.086 * [taylor]: Taking taylor expansion of 500.0 in y
0.086 * [backup-simplify]: Simplify 500.0 into 500.0
0.086 * [backup-simplify]: Simplify 500.0 into 500.0
0.087 * [backup-simplify]: Simplify (+ (* -500.0 1) (* 0 0)) into (- 500.0)
0.087 * [backup-simplify]: Simplify (- 500.0) into (- 500.0)
0.087 * [backup-simplify]: Simplify (- 0) into 0
0.088 * [backup-simplify]: Simplify (+ 0 0) into 0
0.088 * [backup-simplify]: Simplify (+ (* 500.0 0) (+ (* 0 1) (* 0 (- y)))) into 0
0.088 * [taylor]: Taking taylor expansion of 0 in y
0.089 * [backup-simplify]: Simplify 0 into 0
0.089 * [backup-simplify]: Simplify 0 into 0
0.089 * [backup-simplify]: Simplify 0 into 0
0.089 * [backup-simplify]: Simplify (+ (* -500.0 0) (+ (* 0 1) (* 0 0))) into 0
0.089 * [backup-simplify]: Simplify 0 into 0
0.090 * [backup-simplify]: Simplify (- 0) into 0
0.090 * [backup-simplify]: Simplify (+ 0 0) into 0
0.091 * [backup-simplify]: Simplify (+ (* 500.0 0) (+ (* 0 0) (+ (* 0 1) (* 0 (- y))))) into 0
0.091 * [taylor]: Taking taylor expansion of 0 in y
0.091 * [backup-simplify]: Simplify 0 into 0
0.091 * [backup-simplify]: Simplify 0 into 0
0.091 * [backup-simplify]: Simplify 0 into 0
0.091 * [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))
0.092 * [backup-simplify]: Simplify (* 500.0 (- (/ 1 x) (/ 1 y))) into (* 500.0 (- (/ 1 x) (/ 1 y)))
0.092 * [approximate]: Taking taylor expansion of (* 500.0 (- (/ 1 x) (/ 1 y))) in (x y) around 0
0.092 * [taylor]: Taking taylor expansion of (* 500.0 (- (/ 1 x) (/ 1 y))) in y
0.092 * [taylor]: Taking taylor expansion of 500.0 in y
0.092 * [backup-simplify]: Simplify 500.0 into 500.0
0.092 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in y
0.092 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.092 * [taylor]: Taking taylor expansion of x in y
0.092 * [backup-simplify]: Simplify x into x
0.092 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
0.092 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.092 * [taylor]: Taking taylor expansion of y in y
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 (* 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
0.093 * [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 * [taylor]: Taking taylor expansion of (* 500.0 (- (/ 1 x) (/ 1 y))) in x
0.093 * [taylor]: Taking taylor expansion of 500.0 in x
0.093 * [backup-simplify]: Simplify 500.0 into 500.0
0.093 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
0.093 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.093 * [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)
0.094 * [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
0.097 * [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
0.099 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.100 * [backup-simplify]: Simplify (+ (* 500.0 0) (* 0 1)) into 0
0.100 * [backup-simplify]: Simplify (- 0) into 0
0.100 * [backup-simplify]: Simplify 0 into 0
0.100 * [backup-simplify]: Simplify 0 into 0
0.101 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.101 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0
0.102 * [backup-simplify]: Simplify (- 0) into 0
0.102 * [backup-simplify]: Simplify (+ 0 0) into 0
0.107 * [backup-simplify]: Simplify (+ (* 500.0 0) (+ (* 0 0) (+ (* 0 (- (/ 1 y))) (* 0 1)))) into 0
0.107 * [taylor]: Taking taylor expansion of 0 in y
0.107 * [backup-simplify]: Simplify 0 into 0
0.108 * [backup-simplify]: Simplify 0 into 0
0.108 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.109 * [backup-simplify]: Simplify (+ (* 500.0 0) (+ (* 0 0) (* 0 1))) into 0
0.109 * [backup-simplify]: Simplify (- 0) into 0
0.109 * [backup-simplify]: Simplify 0 into 0
0.109 * [backup-simplify]: Simplify 0 into 0
0.110 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.110 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)) (* 0 (/ 0 y)))) into 0
0.111 * [backup-simplify]: Simplify (- 0) into 0
0.111 * [backup-simplify]: Simplify (+ 0 0) into 0
0.112 * [backup-simplify]: Simplify (+ (* 500.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 (- (/ 1 y))) (* 0 1))))) into 0
0.112 * [taylor]: Taking taylor expansion of 0 in y
0.112 * [backup-simplify]: Simplify 0 into 0
0.112 * [backup-simplify]: Simplify 0 into 0
0.113 * [backup-simplify]: Simplify (+ (* 500.0 (* 1 (/ 1 (/ 1 x)))) (* (- 500.0) (* (/ 1 (/ 1 y)) 1))) into (- (* 500.0 x) (* 500.0 y))
0.113 * [backup-simplify]: Simplify (* 500.0 (- (/ 1 (- x)) (/ 1 (- y)))) into (* 500.0 (- (/ 1 y) (/ 1 x)))
0.113 * [approximate]: Taking taylor expansion of (* 500.0 (- (/ 1 y) (/ 1 x))) in (x y) around 0
0.113 * [taylor]: Taking taylor expansion of (* 500.0 (- (/ 1 y) (/ 1 x))) in y
0.113 * [taylor]: Taking taylor expansion of 500.0 in y
0.113 * [backup-simplify]: Simplify 500.0 into 500.0
0.113 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in y
0.113 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.113 * [taylor]: Taking taylor expansion of y in y
0.113 * [backup-simplify]: Simplify 0 into 0
0.113 * [backup-simplify]: Simplify 1 into 1
0.114 * [backup-simplify]: Simplify (/ 1 1) into 1
0.114 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.114 * [taylor]: Taking taylor expansion of x in y
0.114 * [backup-simplify]: Simplify x into x
0.114 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
0.114 * [taylor]: Taking taylor expansion of (* 500.0 (- (/ 1 y) (/ 1 x))) in x
0.114 * [taylor]: Taking taylor expansion of 500.0 in x
0.114 * [backup-simplify]: Simplify 500.0 into 500.0
0.114 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
0.114 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.114 * [taylor]: Taking taylor expansion of y in x
0.114 * [backup-simplify]: Simplify y into y
0.114 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
0.114 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.114 * [taylor]: Taking taylor expansion of x in x
0.114 * [backup-simplify]: Simplify 0 into 0
0.114 * [backup-simplify]: Simplify 1 into 1
0.114 * [backup-simplify]: Simplify (/ 1 1) into 1
0.114 * [taylor]: Taking taylor expansion of (* 500.0 (- (/ 1 y) (/ 1 x))) in x
0.114 * [taylor]: Taking taylor expansion of 500.0 in x
0.114 * [backup-simplify]: Simplify 500.0 into 500.0
0.114 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
0.114 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.114 * [taylor]: Taking taylor expansion of y in x
0.115 * [backup-simplify]: Simplify y into y
0.115 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
0.115 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.115 * [taylor]: Taking taylor expansion of x in x
0.115 * [backup-simplify]: Simplify 0 into 0
0.115 * [backup-simplify]: Simplify 1 into 1
0.115 * [backup-simplify]: Simplify (/ 1 1) into 1
0.115 * [backup-simplify]: Simplify (- 1) into -1
0.116 * [backup-simplify]: Simplify (+ 0 -1) into -1
0.116 * [backup-simplify]: Simplify (* 500.0 -1) into -500.0
0.116 * [taylor]: Taking taylor expansion of -500.0 in y
0.116 * [backup-simplify]: Simplify -500.0 into -500.0
0.117 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.117 * [backup-simplify]: Simplify (- 0) into 0
0.117 * [backup-simplify]: Simplify (+ (/ 1 y) 0) into (/ 1 y)
0.117 * [backup-simplify]: Simplify (+ (* 500.0 (/ 1 y)) (* 0 -1)) into (* 500.0 (/ 1 y))
0.117 * [taylor]: Taking taylor expansion of (* 500.0 (/ 1 y)) in y
0.117 * [taylor]: Taking taylor expansion of 500.0 in y
0.117 * [backup-simplify]: Simplify 500.0 into 500.0
0.117 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.117 * [taylor]: Taking taylor expansion of y in y
0.117 * [backup-simplify]: Simplify 0 into 0
0.117 * [backup-simplify]: Simplify 1 into 1
0.118 * [backup-simplify]: Simplify (/ 1 1) into 1
0.118 * [backup-simplify]: Simplify (* 500.0 1) into 500.0
0.118 * [backup-simplify]: Simplify 500.0 into 500.0
0.118 * [backup-simplify]: Simplify -500.0 into -500.0
0.118 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0
0.119 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.119 * [backup-simplify]: Simplify (- 0) into 0
0.120 * [backup-simplify]: Simplify (+ 0 0) into 0
0.120 * [backup-simplify]: Simplify (+ (* 500.0 0) (+ (* 0 (/ 1 y)) (* 0 -1))) into 0
0.120 * [taylor]: Taking taylor expansion of 0 in y
0.120 * [backup-simplify]: Simplify 0 into 0
0.121 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.121 * [backup-simplify]: Simplify (+ (* 500.0 0) (* 0 1)) into 0
0.121 * [backup-simplify]: Simplify 0 into 0
0.121 * [backup-simplify]: Simplify 0 into 0
0.122 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0
0.122 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.123 * [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 (/ 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 (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.125 * [backup-simplify]: Simplify (+ (* 500.0 0) (+ (* 0 0) (* 0 1))) into 0
0.125 * [backup-simplify]: Simplify 0 into 0
0.125 * [backup-simplify]: Simplify 0 into 0
0.125 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)) (* 0 (/ 0 y)))) into 0
0.126 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.126 * [backup-simplify]: Simplify (- 0) into 0
0.126 * [backup-simplify]: Simplify (+ 0 0) into 0
0.127 * [backup-simplify]: Simplify (+ (* 500.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 (/ 1 y)) (* 0 -1))))) into 0
0.127 * [taylor]: Taking taylor expansion of 0 in y
0.127 * [backup-simplify]: Simplify 0 into 0
0.127 * [backup-simplify]: Simplify 0 into 0
0.127 * [backup-simplify]: Simplify (+ (* -500.0 (* 1 (/ 1 (/ 1 (- x))))) (* 500.0 (* (/ 1 (/ 1 (- y))) 1))) into (- (* 500.0 x) (* 500.0 y))
0.127 * * * [progress]: simplifying candidates
0.128 * [simplify]: Simplifying:
  (expm1 (* 500.0 (- x y)))
  (log1p (* 500.0 (- x y)))
  (* 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 (fma (* (cbrt x) (cbrt x)) (cbrt x) (- (* (cbrt y) (* (cbrt y) (cbrt y))))))
  (* 500.0 (fma (- (cbrt y)) (* (cbrt y) (cbrt y)) (* (cbrt y) (* (cbrt y) (cbrt y)))))
  (* 500.0 (fma (* (cbrt x) (cbrt x)) (cbrt x) (- (* (sqrt y) (sqrt y)))))
  (* 500.0 (fma (- (sqrt y)) (sqrt y) (* (sqrt y) (sqrt y))))
  (* 500.0 (fma (* (cbrt x) (cbrt x)) (cbrt x) (- (* y 1))))
  (* 500.0 (fma (- y) 1 (* y 1)))
  (* 500.0 (fma (sqrt x) (sqrt x) (- (* (cbrt y) (* (cbrt y) (cbrt y))))))
  (* 500.0 (fma (- (cbrt y)) (* (cbrt y) (cbrt y)) (* (cbrt y) (* (cbrt y) (cbrt y)))))
  (* 500.0 (fma (sqrt x) (sqrt x) (- (* (sqrt y) (sqrt y)))))
  (* 500.0 (fma (- (sqrt y)) (sqrt y) (* (sqrt y) (sqrt y))))
  (* 500.0 (fma (sqrt x) (sqrt x) (- (* y 1))))
  (* 500.0 (fma (- y) 1 (* y 1)))
  (* 500.0 (fma 1 x (- (* (cbrt y) (* (cbrt y) (cbrt y))))))
  (* 500.0 (fma (- (cbrt y)) (* (cbrt y) (cbrt y)) (* (cbrt y) (* (cbrt y) (cbrt y)))))
  (* 500.0 (fma 1 x (- (* (sqrt y) (sqrt y)))))
  (* 500.0 (fma (- (sqrt y)) (sqrt y) (* (sqrt y) (sqrt y))))
  (* 500.0 (fma 1 x (- (* y 1))))
  (* 500.0 (fma (- y) 1 (* y 1)))
  (* 500.0 x)
  (* 500.0 (- y))
  (* 500.0 x)
  (* 500.0 (- y))
  (* (fma (* (cbrt x) (cbrt x)) (cbrt x) (- (* (cbrt y) (* (cbrt y) (cbrt y))))) 500.0)
  (* (fma (- (cbrt y)) (* (cbrt y) (cbrt y)) (* (cbrt y) (* (cbrt y) (cbrt y)))) 500.0)
  (* (fma (* (cbrt x) (cbrt x)) (cbrt x) (- (* (sqrt y) (sqrt y)))) 500.0)
  (* (fma (- (sqrt y)) (sqrt y) (* (sqrt y) (sqrt y))) 500.0)
  (* (fma (* (cbrt x) (cbrt x)) (cbrt x) (- (* y 1))) 500.0)
  (* (fma (- y) 1 (* y 1)) 500.0)
  (* (fma (sqrt x) (sqrt x) (- (* (cbrt y) (* (cbrt y) (cbrt y))))) 500.0)
  (* (fma (- (cbrt y)) (* (cbrt y) (cbrt y)) (* (cbrt y) (* (cbrt y) (cbrt y)))) 500.0)
  (* (fma (sqrt x) (sqrt x) (- (* (sqrt y) (sqrt y)))) 500.0)
  (* (fma (- (sqrt y)) (sqrt y) (* (sqrt y) (sqrt y))) 500.0)
  (* (fma (sqrt x) (sqrt x) (- (* y 1))) 500.0)
  (* (fma (- y) 1 (* y 1)) 500.0)
  (* (fma 1 x (- (* (cbrt y) (* (cbrt y) (cbrt y))))) 500.0)
  (* (fma (- (cbrt y)) (* (cbrt y) (cbrt y)) (* (cbrt y) (* (cbrt y) (cbrt y)))) 500.0)
  (* (fma 1 x (- (* (sqrt y) (sqrt y)))) 500.0)
  (* (fma (- (sqrt y)) (sqrt y) (* (sqrt y) (sqrt y))) 500.0)
  (* (fma 1 x (- (* y 1))) 500.0)
  (* (fma (- y) 1 (* y 1)) 500.0)
  (* 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))
0.129 * * [simplify]: iteration 0: 102 enodes
0.152 * * [simplify]: iteration 1: 235 enodes
0.206 * * [simplify]: iteration 2: 836 enodes
0.488 * * [simplify]: iteration complete: 5000 enodes
0.488 * * [simplify]: Extracting #0: cost 25 inf + 0
0.490 * * [simplify]: Extracting #1: cost 824 inf + 1
0.499 * * [simplify]: Extracting #2: cost 2145 inf + 367
0.506 * * [simplify]: Extracting #3: cost 1199 inf + 7061
0.513 * * [simplify]: Extracting #4: cost 131 inf + 16609
0.520 * * [simplify]: Extracting #5: cost 30 inf + 17568
0.527 * * [simplify]: Extracting #6: cost 6 inf + 17676
0.533 * * [simplify]: Extracting #7: cost 0 inf + 17706
0.542 * [simplify]: Simplified to:
  (expm1 (* 500.0 (- x y)))
  (log1p (* 500.0 (- x y)))
  (* 500.0 (- x y))
  (log (* 500.0 (- x y)))
  (log (* 500.0 (- x y)))
  (pow (exp (- x y)) 500.0)
  (pow (* 500.0 (- x y)) 3)
  (* (cbrt (* 500.0 (- x y))) (cbrt (* 500.0 (- x y))))
  (cbrt (* 500.0 (- x y)))
  (pow (* 500.0 (- x y)) 3)
  (sqrt (* 500.0 (- x y)))
  (sqrt (* 500.0 (- x y)))
  (* (sqrt (- x y)) (sqrt 500.0))
  (* (sqrt (- x y)) (sqrt 500.0))
  (* 500.0 (- (pow (cbrt x) 3) y))
  (* 500.0 (+ (- y) y))
  (* 500.0 (- (pow (cbrt x) 3) y))
  (* 500.0 (+ (- y) y))
  (* 500.0 (- (pow (cbrt x) 3) y))
  (* 500.0 (+ (- y) y))
  (* 500.0 (- x y))
  (* 500.0 (+ (- y) y))
  (* 500.0 (- x y))
  (* 500.0 (+ (- y) y))
  (* 500.0 (- x y))
  (* 500.0 (+ (- y) y))
  (* 500.0 (- x y))
  (* 500.0 (+ (- y) y))
  (* 500.0 (- x y))
  (* 500.0 (+ (- y) y))
  (* 500.0 (- x y))
  (* 500.0 (+ (- y) y))
  (* 500.0 x)
  (* (- y) 500.0)
  (* 500.0 x)
  (* (- y) 500.0)
  (* 500.0 (- (pow (cbrt x) 3) y))
  (* 500.0 (+ (- y) y))
  (* 500.0 (- (pow (cbrt x) 3) y))
  (* 500.0 (+ (- y) y))
  (* 500.0 (- (pow (cbrt x) 3) y))
  (* 500.0 (+ (- y) y))
  (* 500.0 (- x y))
  (* 500.0 (+ (- y) y))
  (* 500.0 (- x y))
  (* 500.0 (+ (- y) y))
  (* 500.0 (- x y))
  (* 500.0 (+ (- y) y))
  (* 500.0 (- x y))
  (* 500.0 (+ (- y) y))
  (* 500.0 (- x y))
  (* 500.0 (+ (- y) y))
  (* 500.0 (- x y))
  (* 500.0 (+ (- y) y))
  (* 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
  (* 500.0 (+ (sqrt x) (sqrt y)))
  500.0
  (* (- x y) (cbrt 500.0))
  (* (- x y) (sqrt 500.0))
  (* 500.0 (- x y))
  (* 500.0 (- (pow x 3) (pow y 3)))
  (* (* 500.0 (+ y x)) (- x y))
  (* 500.0 (- x y))
  (* 500.0 (- x y))
  (* 500.0 (- x y))
0.543 * * * [progress]: adding candidates to table
0.645 * * [progress]: iteration 2 / 4
0.645 * * * [progress]: picking best candidate
0.651 * * * * [pick]: Picked  #<alt (λ (x y) (+ (* 500.0 x) (* (- y) 500.0)))>
0.651 * * * [progress]: localizing error
0.659 * * * [progress]: generating rewritten candidates
0.659 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.666 * * * [progress]: generating series expansions
0.666 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.666 * [backup-simplify]: Simplify (+ (* 500.0 x) (* (- y) 500.0)) into (- (* 500.0 x) (* 500.0 y))
0.666 * [approximate]: Taking taylor expansion of (- (* 500.0 x) (* 500.0 y)) in (x y) around 0
0.666 * [taylor]: Taking taylor expansion of (- (* 500.0 x) (* 500.0 y)) in y
0.666 * [taylor]: Taking taylor expansion of (* 500.0 x) in y
0.666 * [taylor]: Taking taylor expansion of 500.0 in y
0.666 * [backup-simplify]: Simplify 500.0 into 500.0
0.666 * [taylor]: Taking taylor expansion of x in y
0.666 * [backup-simplify]: Simplify x into x
0.666 * [taylor]: Taking taylor expansion of (* 500.0 y) in y
0.666 * [taylor]: Taking taylor expansion of 500.0 in y
0.666 * [backup-simplify]: Simplify 500.0 into 500.0
0.666 * [taylor]: Taking taylor expansion of y in y
0.666 * [backup-simplify]: Simplify 0 into 0
0.666 * [backup-simplify]: Simplify 1 into 1
0.666 * [taylor]: Taking taylor expansion of (- (* 500.0 x) (* 500.0 y)) in x
0.666 * [taylor]: Taking taylor expansion of (* 500.0 x) in x
0.666 * [taylor]: Taking taylor expansion of 500.0 in x
0.666 * [backup-simplify]: Simplify 500.0 into 500.0
0.666 * [taylor]: Taking taylor expansion of x in x
0.666 * [backup-simplify]: Simplify 0 into 0
0.666 * [backup-simplify]: Simplify 1 into 1
0.667 * [taylor]: Taking taylor expansion of (* 500.0 y) in x
0.667 * [taylor]: Taking taylor expansion of 500.0 in x
0.667 * [backup-simplify]: Simplify 500.0 into 500.0
0.667 * [taylor]: Taking taylor expansion of y in x
0.667 * [backup-simplify]: Simplify y into y
0.667 * [taylor]: Taking taylor expansion of (- (* 500.0 x) (* 500.0 y)) in x
0.667 * [taylor]: Taking taylor expansion of (* 500.0 x) in x
0.667 * [taylor]: Taking taylor expansion of 500.0 in x
0.667 * [backup-simplify]: Simplify 500.0 into 500.0
0.667 * [taylor]: Taking taylor expansion of x in x
0.667 * [backup-simplify]: Simplify 0 into 0
0.667 * [backup-simplify]: Simplify 1 into 1
0.667 * [taylor]: Taking taylor expansion of (* 500.0 y) in x
0.667 * [taylor]: Taking taylor expansion of 500.0 in x
0.667 * [backup-simplify]: Simplify 500.0 into 500.0
0.667 * [taylor]: Taking taylor expansion of y in x
0.667 * [backup-simplify]: Simplify y into y
0.667 * [backup-simplify]: Simplify (* 500.0 0) into 0
0.667 * [backup-simplify]: Simplify (* 500.0 y) into (* 500.0 y)
0.667 * [backup-simplify]: Simplify (- (* 500.0 y)) into (- (* 500.0 y))
0.667 * [backup-simplify]: Simplify (+ 0 (- (* 500.0 y))) into (- (* 500.0 y))
0.667 * [taylor]: Taking taylor expansion of (- (* 500.0 y)) in y
0.668 * [taylor]: Taking taylor expansion of (* 500.0 y) in y
0.668 * [taylor]: Taking taylor expansion of 500.0 in y
0.668 * [backup-simplify]: Simplify 500.0 into 500.0
0.668 * [taylor]: Taking taylor expansion of y in y
0.668 * [backup-simplify]: Simplify 0 into 0
0.668 * [backup-simplify]: Simplify 1 into 1
0.668 * [backup-simplify]: Simplify (* 500.0 0) into 0
0.668 * [backup-simplify]: Simplify (- 0) into 0
0.668 * [backup-simplify]: Simplify 0 into 0
0.669 * [backup-simplify]: Simplify (+ (* 500.0 1) (* 0 0)) into 500.0
0.669 * [backup-simplify]: Simplify (+ (* 500.0 0) (* 0 y)) into 0
0.670 * [backup-simplify]: Simplify (- 0) into 0
0.670 * [backup-simplify]: Simplify (+ 500.0 0) into 500.0
0.670 * [taylor]: Taking taylor expansion of 500.0 in y
0.670 * [backup-simplify]: Simplify 500.0 into 500.0
0.670 * [backup-simplify]: Simplify 500.0 into 500.0
0.671 * [backup-simplify]: Simplify (+ (* 500.0 1) (* 0 0)) into 500.0
0.671 * [backup-simplify]: Simplify (- 500.0) into (- 500.0)
0.671 * [backup-simplify]: Simplify (- 500.0) into (- 500.0)
0.672 * [backup-simplify]: Simplify (+ (* 500.0 0) (+ (* 0 1) (* 0 0))) into 0
0.672 * [backup-simplify]: Simplify (+ (* 500.0 0) (+ (* 0 0) (* 0 y))) into 0
0.672 * [backup-simplify]: Simplify (- 0) into 0
0.673 * [backup-simplify]: Simplify (+ 0 0) into 0
0.673 * [taylor]: Taking taylor expansion of 0 in y
0.673 * [backup-simplify]: Simplify 0 into 0
0.673 * [backup-simplify]: Simplify 0 into 0
0.673 * [backup-simplify]: Simplify 0 into 0
0.673 * [backup-simplify]: Simplify (+ (* 500.0 0) (+ (* 0 1) (* 0 0))) into 0
0.674 * [backup-simplify]: Simplify (- 0) into 0
0.674 * [backup-simplify]: Simplify 0 into 0
0.674 * [backup-simplify]: Simplify (+ (* 500.0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))) into 0
0.675 * [backup-simplify]: Simplify (+ (* 500.0 0) (+ (* 0 0) (+ (* 0 0) (* 0 y)))) into 0
0.675 * [backup-simplify]: Simplify (- 0) into 0
0.675 * [backup-simplify]: Simplify (+ 0 0) into 0
0.675 * [taylor]: Taking taylor expansion of 0 in y
0.675 * [backup-simplify]: Simplify 0 into 0
0.675 * [backup-simplify]: Simplify 0 into 0
0.675 * [backup-simplify]: Simplify 0 into 0
0.675 * [backup-simplify]: Simplify 0 into 0
0.676 * [backup-simplify]: Simplify (+ (* (- 500.0) (* y 1)) (* 500.0 (* 1 x))) into (- (* 500.0 x) (* 500.0 y))
0.676 * [backup-simplify]: Simplify (+ (* 500.0 (/ 1 x)) (* (- (/ 1 y)) 500.0)) into (- (* 500.0 (/ 1 x)) (* 500.0 (/ 1 y)))
0.676 * [approximate]: Taking taylor expansion of (- (* 500.0 (/ 1 x)) (* 500.0 (/ 1 y))) in (x y) around 0
0.676 * [taylor]: Taking taylor expansion of (- (* 500.0 (/ 1 x)) (* 500.0 (/ 1 y))) in y
0.676 * [taylor]: Taking taylor expansion of (* 500.0 (/ 1 x)) in y
0.676 * [taylor]: Taking taylor expansion of 500.0 in y
0.676 * [backup-simplify]: Simplify 500.0 into 500.0
0.676 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.676 * [taylor]: Taking taylor expansion of x in y
0.676 * [backup-simplify]: Simplify x into x
0.676 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
0.676 * [taylor]: Taking taylor expansion of (* 500.0 (/ 1 y)) in y
0.676 * [taylor]: Taking taylor expansion of 500.0 in y
0.676 * [backup-simplify]: Simplify 500.0 into 500.0
0.676 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.676 * [taylor]: Taking taylor expansion of y in y
0.676 * [backup-simplify]: Simplify 0 into 0
0.677 * [backup-simplify]: Simplify 1 into 1
0.677 * [backup-simplify]: Simplify (/ 1 1) into 1
0.677 * [taylor]: Taking taylor expansion of (- (* 500.0 (/ 1 x)) (* 500.0 (/ 1 y))) in x
0.677 * [taylor]: Taking taylor expansion of (* 500.0 (/ 1 x)) in x
0.677 * [taylor]: Taking taylor expansion of 500.0 in x
0.677 * [backup-simplify]: Simplify 500.0 into 500.0
0.677 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.677 * [taylor]: Taking taylor expansion of x in x
0.677 * [backup-simplify]: Simplify 0 into 0
0.677 * [backup-simplify]: Simplify 1 into 1
0.677 * [backup-simplify]: Simplify (/ 1 1) into 1
0.677 * [taylor]: Taking taylor expansion of (* 500.0 (/ 1 y)) in x
0.677 * [taylor]: Taking taylor expansion of 500.0 in x
0.677 * [backup-simplify]: Simplify 500.0 into 500.0
0.677 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.677 * [taylor]: Taking taylor expansion of y in x
0.677 * [backup-simplify]: Simplify y into y
0.678 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
0.678 * [taylor]: Taking taylor expansion of (- (* 500.0 (/ 1 x)) (* 500.0 (/ 1 y))) in x
0.678 * [taylor]: Taking taylor expansion of (* 500.0 (/ 1 x)) in x
0.678 * [taylor]: Taking taylor expansion of 500.0 in x
0.678 * [backup-simplify]: Simplify 500.0 into 500.0
0.678 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.678 * [taylor]: Taking taylor expansion of x in x
0.678 * [backup-simplify]: Simplify 0 into 0
0.678 * [backup-simplify]: Simplify 1 into 1
0.678 * [backup-simplify]: Simplify (/ 1 1) into 1
0.678 * [taylor]: Taking taylor expansion of (* 500.0 (/ 1 y)) in x
0.678 * [taylor]: Taking taylor expansion of 500.0 in x
0.678 * [backup-simplify]: Simplify 500.0 into 500.0
0.678 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.678 * [taylor]: Taking taylor expansion of y in x
0.678 * [backup-simplify]: Simplify y into y
0.678 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
0.679 * [backup-simplify]: Simplify (* 500.0 1) into 500.0
0.679 * [backup-simplify]: Simplify (+ 500.0 0) into 500.0
0.679 * [taylor]: Taking taylor expansion of 500.0 in y
0.679 * [backup-simplify]: Simplify 500.0 into 500.0
0.680 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.680 * [backup-simplify]: Simplify (+ (* 500.0 0) (* 0 1)) into 0
0.680 * [backup-simplify]: Simplify (* 500.0 (/ 1 y)) into (/ 500.0 y)
0.680 * [backup-simplify]: Simplify (- (/ 500.0 y)) into (- (* 500.0 (/ 1 y)))
0.681 * [backup-simplify]: Simplify (+ 0 (- (* 500.0 (/ 1 y)))) into (- (* 500.0 (/ 1 y)))
0.681 * [taylor]: Taking taylor expansion of (- (* 500.0 (/ 1 y))) in y
0.681 * [taylor]: Taking taylor expansion of (* 500.0 (/ 1 y)) in y
0.681 * [taylor]: Taking taylor expansion of 500.0 in y
0.681 * [backup-simplify]: Simplify 500.0 into 500.0
0.681 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.681 * [taylor]: Taking taylor expansion of y in y
0.681 * [backup-simplify]: Simplify 0 into 0
0.681 * [backup-simplify]: Simplify 1 into 1
0.681 * [backup-simplify]: Simplify (/ 1 1) into 1
0.681 * [backup-simplify]: Simplify (* 500.0 1) into 500.0
0.682 * [backup-simplify]: Simplify (- 500.0) into (- 500.0)
0.682 * [backup-simplify]: Simplify (- 500.0) into (- 500.0)
0.682 * [backup-simplify]: Simplify 500.0 into 500.0
0.683 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.684 * [backup-simplify]: Simplify (+ (* 500.0 0) (+ (* 0 0) (* 0 1))) into 0
0.684 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0
0.684 * [backup-simplify]: Simplify (+ (* 500.0 0) (* 0 (/ 1 y))) into 0
0.684 * [backup-simplify]: Simplify (- 0) into 0
0.685 * [backup-simplify]: Simplify (+ 0 0) into 0
0.685 * [taylor]: Taking taylor expansion of 0 in y
0.685 * [backup-simplify]: Simplify 0 into 0
0.685 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.686 * [backup-simplify]: Simplify (+ (* 500.0 0) (* 0 1)) into 0
0.686 * [backup-simplify]: Simplify (- 0) into 0
0.686 * [backup-simplify]: Simplify 0 into 0
0.686 * [backup-simplify]: Simplify 0 into 0
0.687 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.688 * [backup-simplify]: Simplify (+ (* 500.0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
0.688 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0
0.689 * [backup-simplify]: Simplify (+ (* 500.0 0) (+ (* 0 0) (* 0 (/ 1 y)))) into 0
0.689 * [backup-simplify]: Simplify (- 0) into 0
0.689 * [backup-simplify]: Simplify (+ 0 0) into 0
0.689 * [taylor]: Taking taylor expansion of 0 in y
0.689 * [backup-simplify]: Simplify 0 into 0
0.690 * [backup-simplify]: Simplify 0 into 0
0.690 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.691 * [backup-simplify]: Simplify (+ (* 500.0 0) (+ (* 0 0) (* 0 1))) into 0
0.691 * [backup-simplify]: Simplify (- 0) into 0
0.691 * [backup-simplify]: Simplify 0 into 0
0.691 * [backup-simplify]: Simplify 0 into 0
0.692 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.693 * [backup-simplify]: Simplify (+ (* 500.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
0.693 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)) (* 0 (/ 0 y)))) into 0
0.694 * [backup-simplify]: Simplify (+ (* 500.0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (/ 1 y))))) into 0
0.694 * [backup-simplify]: Simplify (- 0) into 0
0.695 * [backup-simplify]: Simplify (+ 0 0) into 0
0.695 * [taylor]: Taking taylor expansion of 0 in y
0.695 * [backup-simplify]: Simplify 0 into 0
0.695 * [backup-simplify]: Simplify 0 into 0
0.695 * [backup-simplify]: Simplify (+ (* 500.0 (* 1 (/ 1 (/ 1 x)))) (* (- 500.0) (* (/ 1 (/ 1 y)) 1))) into (- (* 500.0 x) (* 500.0 y))
0.696 * [backup-simplify]: Simplify (+ (* 500.0 (/ 1 (- x))) (* (- (/ 1 (- y))) 500.0)) into (- (* 500.0 (/ 1 y)) (* 500.0 (/ 1 x)))
0.696 * [approximate]: Taking taylor expansion of (- (* 500.0 (/ 1 y)) (* 500.0 (/ 1 x))) in (x y) around 0
0.696 * [taylor]: Taking taylor expansion of (- (* 500.0 (/ 1 y)) (* 500.0 (/ 1 x))) in y
0.696 * [taylor]: Taking taylor expansion of (* 500.0 (/ 1 y)) in y
0.696 * [taylor]: Taking taylor expansion of 500.0 in y
0.696 * [backup-simplify]: Simplify 500.0 into 500.0
0.696 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.696 * [taylor]: Taking taylor expansion of y in y
0.696 * [backup-simplify]: Simplify 0 into 0
0.696 * [backup-simplify]: Simplify 1 into 1
0.696 * [backup-simplify]: Simplify (/ 1 1) into 1
0.696 * [taylor]: Taking taylor expansion of (* 500.0 (/ 1 x)) in y
0.696 * [taylor]: Taking taylor expansion of 500.0 in y
0.696 * [backup-simplify]: Simplify 500.0 into 500.0
0.696 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.696 * [taylor]: Taking taylor expansion of x in y
0.696 * [backup-simplify]: Simplify x into x
0.696 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
0.696 * [taylor]: Taking taylor expansion of (- (* 500.0 (/ 1 y)) (* 500.0 (/ 1 x))) in x
0.696 * [taylor]: Taking taylor expansion of (* 500.0 (/ 1 y)) in x
0.696 * [taylor]: Taking taylor expansion of 500.0 in x
0.696 * [backup-simplify]: Simplify 500.0 into 500.0
0.696 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.696 * [taylor]: Taking taylor expansion of y in x
0.696 * [backup-simplify]: Simplify y into y
0.697 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
0.697 * [taylor]: Taking taylor expansion of (* 500.0 (/ 1 x)) in x
0.697 * [taylor]: Taking taylor expansion of 500.0 in x
0.697 * [backup-simplify]: Simplify 500.0 into 500.0
0.697 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.697 * [taylor]: Taking taylor expansion of x in x
0.697 * [backup-simplify]: Simplify 0 into 0
0.697 * [backup-simplify]: Simplify 1 into 1
0.697 * [backup-simplify]: Simplify (/ 1 1) into 1
0.697 * [taylor]: Taking taylor expansion of (- (* 500.0 (/ 1 y)) (* 500.0 (/ 1 x))) in x
0.697 * [taylor]: Taking taylor expansion of (* 500.0 (/ 1 y)) in x
0.697 * [taylor]: Taking taylor expansion of 500.0 in x
0.697 * [backup-simplify]: Simplify 500.0 into 500.0
0.697 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.697 * [taylor]: Taking taylor expansion of y in x
0.697 * [backup-simplify]: Simplify y into y
0.697 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
0.697 * [taylor]: Taking taylor expansion of (* 500.0 (/ 1 x)) in x
0.697 * [taylor]: Taking taylor expansion of 500.0 in x
0.697 * [backup-simplify]: Simplify 500.0 into 500.0
0.697 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.697 * [taylor]: Taking taylor expansion of x in x
0.697 * [backup-simplify]: Simplify 0 into 0
0.697 * [backup-simplify]: Simplify 1 into 1
0.698 * [backup-simplify]: Simplify (/ 1 1) into 1
0.698 * [backup-simplify]: Simplify (* 500.0 1) into 500.0
0.698 * [backup-simplify]: Simplify (- 500.0) into (- 500.0)
0.699 * [backup-simplify]: Simplify (+ 0 (- 500.0)) into (- 500.0)
0.699 * [taylor]: Taking taylor expansion of (- 500.0) in y
0.699 * [taylor]: Taking taylor expansion of 500.0 in y
0.699 * [backup-simplify]: Simplify 500.0 into 500.0
0.699 * [backup-simplify]: Simplify (* 500.0 (/ 1 y)) into (/ 500.0 y)
0.700 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.700 * [backup-simplify]: Simplify (+ (* 500.0 0) (* 0 1)) into 0
0.701 * [backup-simplify]: Simplify (- 0) into 0
0.701 * [backup-simplify]: Simplify (+ (/ 500.0 y) 0) into (* 500.0 (/ 1 y))
0.701 * [taylor]: Taking taylor expansion of (* 500.0 (/ 1 y)) in y
0.701 * [taylor]: Taking taylor expansion of 500.0 in y
0.701 * [backup-simplify]: Simplify 500.0 into 500.0
0.701 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.701 * [taylor]: Taking taylor expansion of y in y
0.701 * [backup-simplify]: Simplify 0 into 0
0.701 * [backup-simplify]: Simplify 1 into 1
0.701 * [backup-simplify]: Simplify (/ 1 1) into 1
0.702 * [backup-simplify]: Simplify (* 500.0 1) into 500.0
0.702 * [backup-simplify]: Simplify 500.0 into 500.0
0.702 * [backup-simplify]: Simplify (- 500.0) into (- 500.0)
0.702 * [backup-simplify]: Simplify (- 500.0) into (- 500.0)
0.703 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0
0.703 * [backup-simplify]: Simplify (+ (* 500.0 0) (* 0 (/ 1 y))) into 0
0.704 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.705 * [backup-simplify]: Simplify (+ (* 500.0 0) (+ (* 0 0) (* 0 1))) into 0
0.708 * [backup-simplify]: Simplify (- 0) into 0
0.709 * [backup-simplify]: Simplify (+ 0 0) into 0
0.709 * [taylor]: Taking taylor expansion of 0 in y
0.709 * [backup-simplify]: Simplify 0 into 0
0.709 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.710 * [backup-simplify]: Simplify (+ (* 500.0 0) (* 0 1)) into 0
0.710 * [backup-simplify]: Simplify 0 into 0
0.710 * [backup-simplify]: Simplify (- 0) into 0
0.710 * [backup-simplify]: Simplify 0 into 0
0.711 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0
0.711 * [backup-simplify]: Simplify (+ (* 500.0 0) (+ (* 0 0) (* 0 (/ 1 y)))) into 0
0.712 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.713 * [backup-simplify]: Simplify (+ (* 500.0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
0.713 * [backup-simplify]: Simplify (- 0) into 0
0.713 * [backup-simplify]: Simplify (+ 0 0) into 0
0.713 * [taylor]: Taking taylor expansion of 0 in y
0.713 * [backup-simplify]: Simplify 0 into 0
0.714 * [backup-simplify]: Simplify 0 into 0
0.714 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.715 * [backup-simplify]: Simplify (+ (* 500.0 0) (+ (* 0 0) (* 0 1))) into 0
0.715 * [backup-simplify]: Simplify 0 into 0
0.715 * [backup-simplify]: Simplify (- 0) into 0
0.715 * [backup-simplify]: Simplify 0 into 0
0.716 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)) (* 0 (/ 0 y)))) into 0
0.717 * [backup-simplify]: Simplify (+ (* 500.0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (/ 1 y))))) into 0
0.717 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.718 * [backup-simplify]: Simplify (+ (* 500.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
0.719 * [backup-simplify]: Simplify (- 0) into 0
0.719 * [backup-simplify]: Simplify (+ 0 0) into 0
0.719 * [taylor]: Taking taylor expansion of 0 in y
0.719 * [backup-simplify]: Simplify 0 into 0
0.719 * [backup-simplify]: Simplify 0 into 0
0.720 * [backup-simplify]: Simplify (+ (* (- 500.0) (* 1 (/ 1 (/ 1 (- x))))) (* 500.0 (* (/ 1 (/ 1 (- y))) 1))) into (- (* 500.0 x) (* 500.0 y))
0.720 * * * [progress]: simplifying candidates
0.720 * [simplify]: Simplifying:
  (expm1 (+ (* 500.0 x) (* (- y) 500.0)))
  (log1p (+ (* 500.0 x) (* (- y) 500.0)))
  (* (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))
0.721 * * [simplify]: iteration 0: 32 enodes
0.731 * * [simplify]: iteration 1: 112 enodes
0.761 * * [simplify]: iteration 2: 483 enodes
1.187 * * [simplify]: iteration 3: 2664 enodes
3.306 * * [simplify]: iteration complete: 5001 enodes
3.306 * * [simplify]: Extracting #0: cost 13 inf + 0
3.307 * * [simplify]: Extracting #1: cost 318 inf + 0
3.312 * * [simplify]: Extracting #2: cost 567 inf + 102
3.327 * * [simplify]: Extracting #3: cost 204 inf + 2897
3.335 * * [simplify]: Extracting #4: cost 22 inf + 4487
3.344 * * [simplify]: Extracting #5: cost 7 inf + 4594
3.352 * * [simplify]: Extracting #6: cost 0 inf + 4685
3.360 * [simplify]: Simplified to:
  (expm1 (* 500.0 (- x y)))
  (log1p (* 500.0 (- x y)))
  (exp (* 500.0 (- x y)))
  (log (* 500.0 (- x y)))
  (exp (* 500.0 (- x y)))
  (* (cbrt (* 500.0 (- x y))) (cbrt (* 500.0 (- x y))))
  (cbrt (* 500.0 (- x y)))
  (pow (* 500.0 (- x y)) 3)
  (sqrt (* 500.0 (- x y)))
  (sqrt (* 500.0 (- x y)))
  (- (pow (* 500.0 x) 3) (pow (* y 500.0) 3))
  (* 500.0 (fma 500.0 (fma y y (* x y)) (* 500.0 (* x x))))
  (* (* 500.0 (- x y)) (* (+ x y) 500.0))
  (* (+ x y) 500.0)
  (* 500.0 (- x y))
  (* 500.0 (- x y))
  (* 500.0 (- x y))
3.360 * * * [progress]: adding candidates to table
3.446 * * [progress]: iteration 3 / 4
3.446 * * * [progress]: picking best candidate
3.454 * * * * [pick]: Picked  #<alt (λ (x y) (fma 500.0 x (* (- y) 500.0)))>
3.454 * * * [progress]: localizing error
3.462 * * * [progress]: generating rewritten candidates
3.462 * * * [progress]: generating series expansions
3.462 * * * [progress]: simplifying candidates
3.462 * [simplify]: Simplifying:
  
3.462 * * [simplify]: iteration 0: 0 enodes
3.462 * * [simplify]: iteration complete: 0 enodes
3.462 * * [simplify]: Extracting #0: cost 0 inf + 0
3.462 * [simplify]: Simplified to:
  
3.462 * * * [progress]: adding candidates to table
3.463 * [progress]: [Phase 3 of 3] Extracting.
3.466 * [simplify]: Simplifying:
  (fma 500.0 x (* (- y) 500.0))
3.466 * * [simplify]: iteration 0: 6 enodes
3.467 * * [simplify]: iteration 1: 9 enodes
3.468 * * [simplify]: iteration 2: 13 enodes
3.468 * * [simplify]: iteration 3: 14 enodes
3.469 * * [simplify]: iteration complete: 14 enodes
3.469 * * [simplify]: Extracting #0: cost 1 inf + 0
3.469 * * [simplify]: Extracting #1: cost 4 inf + 0
3.469 * * [simplify]: Extracting #2: cost 6 inf + 2
3.469 * * [simplify]: Extracting #3: cost 0 inf + 21
3.469 * [simplify]: Simplified to:
  (fma 500.0 x (* (- y) 500.0))
4.198 * [regime-testing]: Baseline error score: 0.009449301475274554
4.210 * [regime-testing]: Oracle error score: 0.009449301475274554
4.210 * [regime-testing]: End program error score: 0.009449301475274554