17.719 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.020 * * * [progress]: [2/2] Setting up program.
0.025 * [progress]: [Phase 2 of 3] Improving.
0.025 * [simplify]: Simplifying:
  (* 500.0 (- x y))
0.025 * * [simplify]: iteration 0: 5 enodes
0.026 * * [simplify]: iteration 1: 8 enodes
0.028 * * [simplify]: iteration 2: 15 enodes
0.031 * * [simplify]: iteration 3: 23 enodes
0.035 * * [simplify]: iteration 4: 30 enodes
0.041 * * [simplify]: iteration 5: 32 enodes
0.045 * * [simplify]: iteration complete: 32 enodes
0.045 * * [simplify]: Extracting #0: cost 1 inf + 0
0.045 * * [simplify]: Extracting #1: cost 10 inf + 0
0.045 * * [simplify]: Extracting #2: cost 7 inf + 3
0.045 * * [simplify]: Extracting #3: cost 0 inf + 376
0.045 * [simplify]: Simplified to:
  (* (- x y) 500.0)
0.046 * * [progress]: iteration 1 / 4
0.046 * * * [progress]: picking best candidate
0.048 * * * * [pick]: Picked  #<alt (λ (x y) (* 500.0 (- x y)))>
0.048 * * * [progress]: localizing error
0.054 * * * [progress]: generating rewritten candidates
0.054 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.077 * * * [progress]: generating series expansions
0.077 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.077 * [backup-simplify]: Simplify (* 500.0 (- x y)) into (* 500.0 (- x y))
0.077 * [approximate]: Taking taylor expansion of (* 500.0 (- x y)) in (x y) around 0
0.077 * [taylor]: Taking taylor expansion of (* 500.0 (- x y)) in y
0.077 * [taylor]: Taking taylor expansion of 500.0 in y
0.077 * [backup-simplify]: Simplify 500.0 into 500.0
0.077 * [taylor]: Taking taylor expansion of (- x y) in y
0.077 * [taylor]: Taking taylor expansion of x in y
0.077 * [backup-simplify]: Simplify x into x
0.077 * [taylor]: Taking taylor expansion of y in y
0.077 * [backup-simplify]: Simplify 0 into 0
0.077 * [backup-simplify]: Simplify 1 into 1
0.077 * [taylor]: Taking taylor expansion of (* 500.0 (- x y)) in x
0.077 * [taylor]: Taking taylor expansion of 500.0 in x
0.077 * [backup-simplify]: Simplify 500.0 into 500.0
0.077 * [taylor]: Taking taylor expansion of (- x y) in x
0.077 * [taylor]: Taking taylor expansion of x in x
0.077 * [backup-simplify]: Simplify 0 into 0
0.077 * [backup-simplify]: Simplify 1 into 1
0.077 * [taylor]: Taking taylor expansion of y in x
0.077 * [backup-simplify]: Simplify y into y
0.077 * [taylor]: Taking taylor expansion of (* 500.0 (- x y)) in x
0.077 * [taylor]: Taking taylor expansion of 500.0 in x
0.077 * [backup-simplify]: Simplify 500.0 into 500.0
0.077 * [taylor]: Taking taylor expansion of (- x y) in x
0.077 * [taylor]: Taking taylor expansion of x in x
0.077 * [backup-simplify]: Simplify 0 into 0
0.077 * [backup-simplify]: Simplify 1 into 1
0.077 * [taylor]: Taking taylor expansion of y in x
0.077 * [backup-simplify]: Simplify y into y
0.077 * [backup-simplify]: Simplify (- y) into (- y)
0.077 * [backup-simplify]: Simplify (+ 0 (- y)) into (- y)
0.077 * [backup-simplify]: Simplify (* 500.0 (- y)) into (* -500.0 y)
0.077 * [taylor]: Taking taylor expansion of (* -500.0 y) in y
0.077 * [taylor]: Taking taylor expansion of -500.0 in y
0.077 * [backup-simplify]: Simplify -500.0 into -500.0
0.077 * [taylor]: Taking taylor expansion of y in y
0.077 * [backup-simplify]: Simplify 0 into 0
0.077 * [backup-simplify]: Simplify 1 into 1
0.078 * [backup-simplify]: Simplify (* -500.0 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) into 1
0.079 * [backup-simplify]: Simplify (+ (* 500.0 1) (* 0 (- y))) into 500.0
0.079 * [taylor]: Taking taylor expansion of 500.0 in y
0.079 * [backup-simplify]: Simplify 500.0 into 500.0
0.079 * [backup-simplify]: Simplify 500.0 into 500.0
0.080 * [backup-simplify]: Simplify (+ (* -500.0 1) (* 0 0)) into (- 500.0)
0.080 * [backup-simplify]: Simplify (- 500.0) into (- 500.0)
0.080 * [backup-simplify]: Simplify (- 0) into 0
0.080 * [backup-simplify]: Simplify (+ 0 0) into 0
0.081 * [backup-simplify]: Simplify (+ (* 500.0 0) (+ (* 0 1) (* 0 (- y)))) into 0
0.081 * [taylor]: Taking taylor expansion of 0 in y
0.081 * [backup-simplify]: Simplify 0 into 0
0.081 * [backup-simplify]: Simplify 0 into 0
0.081 * [backup-simplify]: Simplify 0 into 0
0.082 * [backup-simplify]: Simplify (+ (* -500.0 0) (+ (* 0 1) (* 0 0))) into 0
0.082 * [backup-simplify]: Simplify 0 into 0
0.082 * [backup-simplify]: Simplify (- 0) into 0
0.082 * [backup-simplify]: Simplify (+ 0 0) into 0
0.083 * [backup-simplify]: Simplify (+ (* 500.0 0) (+ (* 0 0) (+ (* 0 1) (* 0 (- y))))) into 0
0.083 * [taylor]: Taking taylor expansion of 0 in y
0.083 * [backup-simplify]: Simplify 0 into 0
0.083 * [backup-simplify]: Simplify 0 into 0
0.083 * [backup-simplify]: Simplify 0 into 0
0.083 * [backup-simplify]: Simplify 0 into 0
0.084 * [backup-simplify]: Simplify (+ (* (- 500.0) (* y 1)) (* 500.0 (* 1 x))) into (- (* 500.0 x) (* 500.0 y))
0.084 * [backup-simplify]: Simplify (* 500.0 (- (/ 1 x) (/ 1 y))) into (* 500.0 (- (/ 1 x) (/ 1 y)))
0.084 * [approximate]: Taking taylor expansion of (* 500.0 (- (/ 1 x) (/ 1 y))) in (x y) around 0
0.084 * [taylor]: Taking taylor expansion of (* 500.0 (- (/ 1 x) (/ 1 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 (- (/ 1 x) (/ 1 y)) in y
0.084 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.084 * [taylor]: Taking taylor expansion of x in y
0.084 * [backup-simplify]: Simplify x into x
0.084 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
0.084 * [taylor]: Taking taylor expansion of (/ 1 y) in y
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
0.084 * [backup-simplify]: Simplify (/ 1 1) into 1
0.084 * [taylor]: Taking taylor expansion of (* 500.0 (- (/ 1 x) (/ 1 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 (- (/ 1 x) (/ 1 y)) in x
0.084 * [taylor]: Taking taylor expansion of (/ 1 x) 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 * [backup-simplify]: Simplify (/ 1 1) into 1
0.085 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.085 * [taylor]: Taking taylor expansion of y in x
0.085 * [backup-simplify]: Simplify y into y
0.085 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
0.085 * [taylor]: Taking taylor expansion of (* 500.0 (- (/ 1 x) (/ 1 y))) in x
0.085 * [taylor]: Taking taylor expansion of 500.0 in x
0.085 * [backup-simplify]: Simplify 500.0 into 500.0
0.085 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
0.085 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.085 * [taylor]: Taking taylor expansion of x in x
0.085 * [backup-simplify]: Simplify 0 into 0
0.085 * [backup-simplify]: Simplify 1 into 1
0.085 * [backup-simplify]: Simplify (/ 1 1) into 1
0.085 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.085 * [taylor]: Taking taylor expansion of y in x
0.085 * [backup-simplify]: Simplify y into y
0.085 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
0.085 * [backup-simplify]: Simplify (+ 1 0) into 1
0.086 * [backup-simplify]: Simplify (* 500.0 1) 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 (- (+ (* 1 (/ 0 1)))) into 0
0.086 * [backup-simplify]: Simplify (- (/ 1 y)) into (- (/ 1 y))
0.086 * [backup-simplify]: Simplify (+ 0 (- (/ 1 y))) into (- (/ 1 y))
0.087 * [backup-simplify]: Simplify (+ (* 500.0 (- (/ 1 y))) (* 0 1)) into (- (* 500.0 (/ 1 y)))
0.087 * [taylor]: Taking taylor expansion of (- (* 500.0 (/ 1 y))) in y
0.087 * [taylor]: Taking taylor expansion of (* 500.0 (/ 1 y)) in y
0.087 * [taylor]: Taking taylor expansion of 500.0 in y
0.087 * [backup-simplify]: Simplify 500.0 into 500.0
0.087 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.087 * [taylor]: Taking taylor expansion of y in y
0.087 * [backup-simplify]: Simplify 0 into 0
0.087 * [backup-simplify]: Simplify 1 into 1
0.087 * [backup-simplify]: Simplify (/ 1 1) into 1
0.087 * [backup-simplify]: Simplify (* 500.0 1) into 500.0
0.087 * [backup-simplify]: Simplify (- 500.0) into (- 500.0)
0.088 * [backup-simplify]: Simplify (- 500.0) into (- 500.0)
0.088 * [backup-simplify]: Simplify 500.0 into 500.0
0.088 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.088 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0
0.089 * [backup-simplify]: Simplify (- 0) into 0
0.089 * [backup-simplify]: Simplify (+ 0 0) into 0
0.089 * [backup-simplify]: Simplify (+ (* 500.0 0) (+ (* 0 (- (/ 1 y))) (* 0 1))) into 0
0.089 * [taylor]: Taking taylor expansion of 0 in y
0.089 * [backup-simplify]: Simplify 0 into 0
0.090 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.090 * [backup-simplify]: Simplify (+ (* 500.0 0) (* 0 1)) 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 (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.091 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0
0.091 * [backup-simplify]: Simplify (- 0) into 0
0.092 * [backup-simplify]: Simplify (+ 0 0) into 0
0.092 * [backup-simplify]: Simplify (+ (* 500.0 0) (+ (* 0 0) (+ (* 0 (- (/ 1 y))) (* 0 1)))) into 0
0.092 * [taylor]: Taking taylor expansion of 0 in y
0.092 * [backup-simplify]: Simplify 0 into 0
0.092 * [backup-simplify]: Simplify 0 into 0
0.093 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.093 * [backup-simplify]: Simplify (+ (* 500.0 0) (+ (* 0 0) (* 0 1))) into 0
0.094 * [backup-simplify]: Simplify (- 0) into 0
0.094 * [backup-simplify]: Simplify 0 into 0
0.094 * [backup-simplify]: Simplify 0 into 0
0.094 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.094 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)) (* 0 (/ 0 y)))) into 0
0.095 * [backup-simplify]: Simplify (- 0) into 0
0.095 * [backup-simplify]: Simplify (+ 0 0) into 0
0.096 * [backup-simplify]: Simplify (+ (* 500.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 (- (/ 1 y))) (* 0 1))))) into 0
0.096 * [taylor]: Taking taylor expansion of 0 in y
0.096 * [backup-simplify]: Simplify 0 into 0
0.096 * [backup-simplify]: Simplify 0 into 0
0.097 * [backup-simplify]: Simplify (+ (* 500.0 (* 1 (/ 1 (/ 1 x)))) (* (- 500.0) (* (/ 1 (/ 1 y)) 1))) into (- (* 500.0 x) (* 500.0 y))
0.097 * [backup-simplify]: Simplify (* 500.0 (- (/ 1 (- x)) (/ 1 (- y)))) into (* 500.0 (- (/ 1 y) (/ 1 x)))
0.097 * [approximate]: Taking taylor expansion of (* 500.0 (- (/ 1 y) (/ 1 x))) in (x y) around 0
0.097 * [taylor]: Taking taylor expansion of (* 500.0 (- (/ 1 y) (/ 1 x))) in y
0.097 * [taylor]: Taking taylor expansion of 500.0 in y
0.097 * [backup-simplify]: Simplify 500.0 into 500.0
0.097 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in y
0.097 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.097 * [taylor]: Taking taylor expansion of y in y
0.097 * [backup-simplify]: Simplify 0 into 0
0.097 * [backup-simplify]: Simplify 1 into 1
0.097 * [backup-simplify]: Simplify (/ 1 1) into 1
0.097 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.097 * [taylor]: Taking taylor expansion of x in y
0.097 * [backup-simplify]: Simplify x into x
0.097 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
0.097 * [taylor]: Taking taylor expansion of (* 500.0 (- (/ 1 y) (/ 1 x))) in x
0.097 * [taylor]: Taking taylor expansion of 500.0 in x
0.097 * [backup-simplify]: Simplify 500.0 into 500.0
0.097 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
0.097 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.097 * [taylor]: Taking taylor expansion of y in x
0.097 * [backup-simplify]: Simplify y into y
0.097 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
0.097 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.097 * [taylor]: Taking taylor expansion of x in x
0.097 * [backup-simplify]: Simplify 0 into 0
0.097 * [backup-simplify]: Simplify 1 into 1
0.098 * [backup-simplify]: Simplify (/ 1 1) into 1
0.098 * [taylor]: Taking taylor expansion of (* 500.0 (- (/ 1 y) (/ 1 x))) in x
0.098 * [taylor]: Taking taylor expansion of 500.0 in x
0.098 * [backup-simplify]: Simplify 500.0 into 500.0
0.098 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
0.098 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.098 * [taylor]: Taking taylor expansion of y in x
0.098 * [backup-simplify]: Simplify y into y
0.098 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
0.098 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.098 * [taylor]: Taking taylor expansion of x in x
0.098 * [backup-simplify]: Simplify 0 into 0
0.098 * [backup-simplify]: Simplify 1 into 1
0.098 * [backup-simplify]: Simplify (/ 1 1) into 1
0.098 * [backup-simplify]: Simplify (- 1) into -1
0.099 * [backup-simplify]: Simplify (+ 0 -1) into -1
0.099 * [backup-simplify]: Simplify (* 500.0 -1) into -500.0
0.099 * [taylor]: Taking taylor expansion of -500.0 in y
0.099 * [backup-simplify]: Simplify -500.0 into -500.0
0.099 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.100 * [backup-simplify]: Simplify (- 0) into 0
0.100 * [backup-simplify]: Simplify (+ (/ 1 y) 0) into (/ 1 y)
0.100 * [backup-simplify]: Simplify (+ (* 500.0 (/ 1 y)) (* 0 -1)) into (* 500.0 (/ 1 y))
0.100 * [taylor]: Taking taylor expansion of (* 500.0 (/ 1 y)) in y
0.100 * [taylor]: Taking taylor expansion of 500.0 in y
0.100 * [backup-simplify]: Simplify 500.0 into 500.0
0.100 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.100 * [taylor]: Taking taylor expansion of y in y
0.100 * [backup-simplify]: Simplify 0 into 0
0.100 * [backup-simplify]: Simplify 1 into 1
0.100 * [backup-simplify]: Simplify (/ 1 1) into 1
0.101 * [backup-simplify]: Simplify (* 500.0 1) into 500.0
0.101 * [backup-simplify]: Simplify 500.0 into 500.0
0.101 * [backup-simplify]: Simplify -500.0 into -500.0
0.101 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0
0.101 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.102 * [backup-simplify]: Simplify (- 0) into 0
0.102 * [backup-simplify]: Simplify (+ 0 0) into 0
0.102 * [backup-simplify]: Simplify (+ (* 500.0 0) (+ (* 0 (/ 1 y)) (* 0 -1))) into 0
0.102 * [taylor]: Taking taylor expansion of 0 in y
0.103 * [backup-simplify]: Simplify 0 into 0
0.103 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.103 * [backup-simplify]: Simplify (+ (* 500.0 0) (* 0 1)) into 0
0.103 * [backup-simplify]: Simplify 0 into 0
0.103 * [backup-simplify]: Simplify 0 into 0
0.104 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0
0.104 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.104 * [backup-simplify]: Simplify (- 0) into 0
0.105 * [backup-simplify]: Simplify (+ 0 0) into 0
0.105 * [backup-simplify]: Simplify (+ (* 500.0 0) (+ (* 0 0) (+ (* 0 (/ 1 y)) (* 0 -1)))) into 0
0.105 * [taylor]: Taking taylor expansion of 0 in y
0.105 * [backup-simplify]: Simplify 0 into 0
0.105 * [backup-simplify]: Simplify 0 into 0
0.106 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.106 * [backup-simplify]: Simplify (+ (* 500.0 0) (+ (* 0 0) (* 0 1))) into 0
0.106 * [backup-simplify]: Simplify 0 into 0
0.107 * [backup-simplify]: Simplify 0 into 0
0.107 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)) (* 0 (/ 0 y)))) into 0
0.107 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.108 * [backup-simplify]: Simplify (- 0) into 0
0.108 * [backup-simplify]: Simplify (+ 0 0) into 0
0.109 * [backup-simplify]: Simplify (+ (* 500.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 (/ 1 y)) (* 0 -1))))) into 0
0.109 * [taylor]: Taking taylor expansion of 0 in y
0.110 * [backup-simplify]: Simplify 0 into 0
0.110 * [backup-simplify]: Simplify 0 into 0
0.110 * [backup-simplify]: Simplify (+ (* -500.0 (* 1 (/ 1 (/ 1 (- x))))) (* 500.0 (* (/ 1 (/ 1 (- y))) 1))) into (- (* 500.0 x) (* 500.0 y))
0.110 * * * [progress]: simplifying candidates
0.111 * [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))
0.113 * * [simplify]: iteration 0: 102 enodes
0.152 * * [simplify]: iteration 1: 235 enodes
0.221 * * [simplify]: iteration 2: 836 enodes
0.564 * * [simplify]: iteration complete: 5000 enodes
0.564 * * [simplify]: Extracting #0: cost 25 inf + 0
0.565 * * [simplify]: Extracting #1: cost 824 inf + 1
0.570 * * [simplify]: Extracting #2: cost 2145 inf + 7170
0.596 * * [simplify]: Extracting #3: cost 1199 inf + 129296
0.659 * * [simplify]: Extracting #4: cost 131 inf + 300435
0.729 * * [simplify]: Extracting #5: cost 30 inf + 321809
0.791 * * [simplify]: Extracting #6: cost 6 inf + 326065
0.855 * * [simplify]: Extracting #7: cost 0 inf + 327583
0.960 * [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)))
  (exp (* 500.0 (- x y)))
  (* (* (* 500.0 (- x y)) (* 500.0 (- x y))) (* 500.0 (- 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 (- x y)) (sqrt 500.0))
  (* (sqrt (- x y)) (sqrt 500.0))
  (* 500.0 (- (* (cbrt x) (* (cbrt x) (cbrt x))) y))
  (* 500.0 (fma -1 y y))
  (* 500.0 (- (* (cbrt x) (* (cbrt x) (cbrt x))) y))
  (* 500.0 (fma -1 y y))
  (* 500.0 (- (* (cbrt x) (* (cbrt x) (cbrt x))) y))
  (* 500.0 (fma -1 y y))
  (* 500.0 (- x y))
  (* 500.0 (fma -1 y y))
  (* 500.0 (- x y))
  (* 500.0 (fma -1 y y))
  (* 500.0 (- x y))
  (* 500.0 (fma -1 y y))
  (* 500.0 (- x y))
  (* 500.0 (fma -1 y y))
  (* 500.0 (- x y))
  (* 500.0 (fma -1 y y))
  (* 500.0 (- x y))
  (* 500.0 (fma -1 y y))
  (* 500.0 x)
  (* (- y) 500.0)
  (* 500.0 x)
  (* (- y) 500.0)
  (* 500.0 (- (* (cbrt x) (* (cbrt x) (cbrt x))) y))
  (* 500.0 (fma -1 y y))
  (* 500.0 (- (* (cbrt x) (* (cbrt x) (cbrt x))) y))
  (* 500.0 (fma -1 y y))
  (* 500.0 (- (* (cbrt x) (* (cbrt x) (cbrt x))) y))
  (* 500.0 (fma -1 y y))
  (* 500.0 (- x y))
  (* 500.0 (fma -1 y y))
  (* 500.0 (- x y))
  (* 500.0 (fma -1 y y))
  (* 500.0 (- x y))
  (* 500.0 (fma -1 y y))
  (* 500.0 (- x y))
  (* 500.0 (fma -1 y y))
  (* 500.0 (- x y))
  (* 500.0 (fma -1 y y))
  (* 500.0 (- x y))
  (* 500.0 (fma -1 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 (- (* (* x x) x) (* y (* y y))))
  (* (* 500.0 (+ y x)) (- x y))
  (* 500.0 (- x y))
  (* 500.0 (- x y))
  (* 500.0 (- x y))
0.963 * * * [progress]: adding candidates to table
1.086 * * [progress]: iteration 2 / 4
1.086 * * * [progress]: picking best candidate
1.099 * * * * [pick]: Picked  #<alt (λ (x y) (+ (* 500.0 x) (* 500.0 (- y))))>
1.099 * * * [progress]: localizing error
1.118 * * * [progress]: generating rewritten candidates
1.118 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
1.131 * * * [progress]: generating series expansions
1.131 * * * * [progress]: [ 1 / 1 ] generating series at (2)
1.131 * [backup-simplify]: Simplify (+ (* 500.0 x) (* 500.0 (- y))) into (- (* 500.0 x) (* 500.0 y))
1.131 * [approximate]: Taking taylor expansion of (- (* 500.0 x) (* 500.0 y)) in (x y) around 0
1.131 * [taylor]: Taking taylor expansion of (- (* 500.0 x) (* 500.0 y)) in y
1.132 * [taylor]: Taking taylor expansion of (* 500.0 x) in y
1.132 * [taylor]: Taking taylor expansion of 500.0 in y
1.132 * [backup-simplify]: Simplify 500.0 into 500.0
1.132 * [taylor]: Taking taylor expansion of x in y
1.132 * [backup-simplify]: Simplify x into x
1.132 * [taylor]: Taking taylor expansion of (* 500.0 y) in y
1.132 * [taylor]: Taking taylor expansion of 500.0 in y
1.132 * [backup-simplify]: Simplify 500.0 into 500.0
1.132 * [taylor]: Taking taylor expansion of y in y
1.132 * [backup-simplify]: Simplify 0 into 0
1.132 * [backup-simplify]: Simplify 1 into 1
1.132 * [taylor]: Taking taylor expansion of (- (* 500.0 x) (* 500.0 y)) in x
1.132 * [taylor]: Taking taylor expansion of (* 500.0 x) in x
1.132 * [taylor]: Taking taylor expansion of 500.0 in x
1.132 * [backup-simplify]: Simplify 500.0 into 500.0
1.132 * [taylor]: Taking taylor expansion of x in x
1.132 * [backup-simplify]: Simplify 0 into 0
1.132 * [backup-simplify]: Simplify 1 into 1
1.132 * [taylor]: Taking taylor expansion of (* 500.0 y) in x
1.132 * [taylor]: Taking taylor expansion of 500.0 in x
1.132 * [backup-simplify]: Simplify 500.0 into 500.0
1.132 * [taylor]: Taking taylor expansion of y in x
1.132 * [backup-simplify]: Simplify y into y
1.132 * [taylor]: Taking taylor expansion of (- (* 500.0 x) (* 500.0 y)) in x
1.132 * [taylor]: Taking taylor expansion of (* 500.0 x) in x
1.132 * [taylor]: Taking taylor expansion of 500.0 in x
1.132 * [backup-simplify]: Simplify 500.0 into 500.0
1.132 * [taylor]: Taking taylor expansion of x in x
1.132 * [backup-simplify]: Simplify 0 into 0
1.132 * [backup-simplify]: Simplify 1 into 1
1.132 * [taylor]: Taking taylor expansion of (* 500.0 y) in x
1.132 * [taylor]: Taking taylor expansion of 500.0 in x
1.132 * [backup-simplify]: Simplify 500.0 into 500.0
1.132 * [taylor]: Taking taylor expansion of y in x
1.132 * [backup-simplify]: Simplify y into y
1.133 * [backup-simplify]: Simplify (* 500.0 0) into 0
1.133 * [backup-simplify]: Simplify (* 500.0 y) into (* 500.0 y)
1.133 * [backup-simplify]: Simplify (- (* 500.0 y)) into (- (* 500.0 y))
1.133 * [backup-simplify]: Simplify (+ 0 (- (* 500.0 y))) into (- (* 500.0 y))
1.133 * [taylor]: Taking taylor expansion of (- (* 500.0 y)) in y
1.133 * [taylor]: Taking taylor expansion of (* 500.0 y) in y
1.134 * [taylor]: Taking taylor expansion of 500.0 in y
1.134 * [backup-simplify]: Simplify 500.0 into 500.0
1.134 * [taylor]: Taking taylor expansion of y in y
1.134 * [backup-simplify]: Simplify 0 into 0
1.134 * [backup-simplify]: Simplify 1 into 1
1.134 * [backup-simplify]: Simplify (* 500.0 0) into 0
1.134 * [backup-simplify]: Simplify (- 0) into 0
1.134 * [backup-simplify]: Simplify 0 into 0
1.136 * [backup-simplify]: Simplify (+ (* 500.0 1) (* 0 0)) into 500.0
1.136 * [backup-simplify]: Simplify (+ (* 500.0 0) (* 0 y)) into 0
1.137 * [backup-simplify]: Simplify (- 0) into 0
1.137 * [backup-simplify]: Simplify (+ 500.0 0) into 500.0
1.137 * [taylor]: Taking taylor expansion of 500.0 in y
1.137 * [backup-simplify]: Simplify 500.0 into 500.0
1.137 * [backup-simplify]: Simplify 500.0 into 500.0
1.139 * [backup-simplify]: Simplify (+ (* 500.0 1) (* 0 0)) into 500.0
1.139 * [backup-simplify]: Simplify (- 500.0) into (- 500.0)
1.140 * [backup-simplify]: Simplify (- 500.0) into (- 500.0)
1.141 * [backup-simplify]: Simplify (+ (* 500.0 0) (+ (* 0 1) (* 0 0))) into 0
1.141 * [backup-simplify]: Simplify (+ (* 500.0 0) (+ (* 0 0) (* 0 y))) into 0
1.142 * [backup-simplify]: Simplify (- 0) into 0
1.142 * [backup-simplify]: Simplify (+ 0 0) into 0
1.142 * [taylor]: Taking taylor expansion of 0 in y
1.142 * [backup-simplify]: Simplify 0 into 0
1.142 * [backup-simplify]: Simplify 0 into 0
1.142 * [backup-simplify]: Simplify 0 into 0
1.143 * [backup-simplify]: Simplify (+ (* 500.0 0) (+ (* 0 1) (* 0 0))) into 0
1.144 * [backup-simplify]: Simplify (- 0) into 0
1.144 * [backup-simplify]: Simplify 0 into 0
1.145 * [backup-simplify]: Simplify (+ (* 500.0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))) into 0
1.146 * [backup-simplify]: Simplify (+ (* 500.0 0) (+ (* 0 0) (+ (* 0 0) (* 0 y)))) into 0
1.146 * [backup-simplify]: Simplify (- 0) into 0
1.147 * [backup-simplify]: Simplify (+ 0 0) into 0
1.147 * [taylor]: Taking taylor expansion of 0 in y
1.147 * [backup-simplify]: Simplify 0 into 0
1.147 * [backup-simplify]: Simplify 0 into 0
1.147 * [backup-simplify]: Simplify 0 into 0
1.147 * [backup-simplify]: Simplify 0 into 0
1.147 * [backup-simplify]: Simplify (+ (* (- 500.0) (* y 1)) (* 500.0 (* 1 x))) into (- (* 500.0 x) (* 500.0 y))
1.147 * [backup-simplify]: Simplify (+ (* 500.0 (/ 1 x)) (* 500.0 (- (/ 1 y)))) into (- (* 500.0 (/ 1 x)) (* 500.0 (/ 1 y)))
1.147 * [approximate]: Taking taylor expansion of (- (* 500.0 (/ 1 x)) (* 500.0 (/ 1 y))) in (x y) around 0
1.148 * [taylor]: Taking taylor expansion of (- (* 500.0 (/ 1 x)) (* 500.0 (/ 1 y))) in y
1.148 * [taylor]: Taking taylor expansion of (* 500.0 (/ 1 x)) in y
1.148 * [taylor]: Taking taylor expansion of 500.0 in y
1.148 * [backup-simplify]: Simplify 500.0 into 500.0
1.148 * [taylor]: Taking taylor expansion of (/ 1 x) in y
1.148 * [taylor]: Taking taylor expansion of x in y
1.148 * [backup-simplify]: Simplify x into x
1.148 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
1.148 * [taylor]: Taking taylor expansion of (* 500.0 (/ 1 y)) in y
1.148 * [taylor]: Taking taylor expansion of 500.0 in y
1.148 * [backup-simplify]: Simplify 500.0 into 500.0
1.148 * [taylor]: Taking taylor expansion of (/ 1 y) in y
1.148 * [taylor]: Taking taylor expansion of y in y
1.148 * [backup-simplify]: Simplify 0 into 0
1.148 * [backup-simplify]: Simplify 1 into 1
1.148 * [backup-simplify]: Simplify (/ 1 1) into 1
1.148 * [taylor]: Taking taylor expansion of (- (* 500.0 (/ 1 x)) (* 500.0 (/ 1 y))) in x
1.148 * [taylor]: Taking taylor expansion of (* 500.0 (/ 1 x)) in x
1.148 * [taylor]: Taking taylor expansion of 500.0 in x
1.148 * [backup-simplify]: Simplify 500.0 into 500.0
1.148 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.148 * [taylor]: Taking taylor expansion of x in x
1.149 * [backup-simplify]: Simplify 0 into 0
1.149 * [backup-simplify]: Simplify 1 into 1
1.149 * [backup-simplify]: Simplify (/ 1 1) into 1
1.149 * [taylor]: Taking taylor expansion of (* 500.0 (/ 1 y)) in x
1.149 * [taylor]: Taking taylor expansion of 500.0 in x
1.149 * [backup-simplify]: Simplify 500.0 into 500.0
1.149 * [taylor]: Taking taylor expansion of (/ 1 y) in x
1.149 * [taylor]: Taking taylor expansion of y in x
1.149 * [backup-simplify]: Simplify y into y
1.149 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
1.149 * [taylor]: Taking taylor expansion of (- (* 500.0 (/ 1 x)) (* 500.0 (/ 1 y))) in x
1.149 * [taylor]: Taking taylor expansion of (* 500.0 (/ 1 x)) in x
1.149 * [taylor]: Taking taylor expansion of 500.0 in x
1.149 * [backup-simplify]: Simplify 500.0 into 500.0
1.149 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.149 * [taylor]: Taking taylor expansion of x in x
1.149 * [backup-simplify]: Simplify 0 into 0
1.149 * [backup-simplify]: Simplify 1 into 1
1.150 * [backup-simplify]: Simplify (/ 1 1) into 1
1.150 * [taylor]: Taking taylor expansion of (* 500.0 (/ 1 y)) in x
1.150 * [taylor]: Taking taylor expansion of 500.0 in x
1.150 * [backup-simplify]: Simplify 500.0 into 500.0
1.150 * [taylor]: Taking taylor expansion of (/ 1 y) in x
1.150 * [taylor]: Taking taylor expansion of y in x
1.150 * [backup-simplify]: Simplify y into y
1.150 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
1.150 * [backup-simplify]: Simplify (* 500.0 1) into 500.0
1.151 * [backup-simplify]: Simplify (+ 500.0 0) into 500.0
1.151 * [taylor]: Taking taylor expansion of 500.0 in y
1.151 * [backup-simplify]: Simplify 500.0 into 500.0
1.152 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
1.152 * [backup-simplify]: Simplify (+ (* 500.0 0) (* 0 1)) into 0
1.152 * [backup-simplify]: Simplify (* 500.0 (/ 1 y)) into (/ 500.0 y)
1.152 * [backup-simplify]: Simplify (- (/ 500.0 y)) into (- (* 500.0 (/ 1 y)))
1.153 * [backup-simplify]: Simplify (+ 0 (- (* 500.0 (/ 1 y)))) into (- (* 500.0 (/ 1 y)))
1.153 * [taylor]: Taking taylor expansion of (- (* 500.0 (/ 1 y))) in y
1.153 * [taylor]: Taking taylor expansion of (* 500.0 (/ 1 y)) in y
1.153 * [taylor]: Taking taylor expansion of 500.0 in y
1.153 * [backup-simplify]: Simplify 500.0 into 500.0
1.153 * [taylor]: Taking taylor expansion of (/ 1 y) in y
1.153 * [taylor]: Taking taylor expansion of y in y
1.153 * [backup-simplify]: Simplify 0 into 0
1.153 * [backup-simplify]: Simplify 1 into 1
1.153 * [backup-simplify]: Simplify (/ 1 1) into 1
1.154 * [backup-simplify]: Simplify (* 500.0 1) into 500.0
1.154 * [backup-simplify]: Simplify (- 500.0) into (- 500.0)
1.154 * [backup-simplify]: Simplify (- 500.0) into (- 500.0)
1.154 * [backup-simplify]: Simplify 500.0 into 500.0
1.155 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
1.156 * [backup-simplify]: Simplify (+ (* 500.0 0) (+ (* 0 0) (* 0 1))) into 0
1.156 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0
1.157 * [backup-simplify]: Simplify (+ (* 500.0 0) (* 0 (/ 1 y))) into 0
1.157 * [backup-simplify]: Simplify (- 0) into 0
1.157 * [backup-simplify]: Simplify (+ 0 0) into 0
1.158 * [taylor]: Taking taylor expansion of 0 in y
1.158 * [backup-simplify]: Simplify 0 into 0
1.158 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
1.159 * [backup-simplify]: Simplify (+ (* 500.0 0) (* 0 1)) into 0
1.159 * [backup-simplify]: Simplify (- 0) into 0
1.159 * [backup-simplify]: Simplify 0 into 0
1.159 * [backup-simplify]: Simplify 0 into 0
1.160 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
1.161 * [backup-simplify]: Simplify (+ (* 500.0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
1.162 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0
1.162 * [backup-simplify]: Simplify (+ (* 500.0 0) (+ (* 0 0) (* 0 (/ 1 y)))) into 0
1.163 * [backup-simplify]: Simplify (- 0) into 0
1.163 * [backup-simplify]: Simplify (+ 0 0) into 0
1.163 * [taylor]: Taking taylor expansion of 0 in y
1.163 * [backup-simplify]: Simplify 0 into 0
1.163 * [backup-simplify]: Simplify 0 into 0
1.164 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
1.165 * [backup-simplify]: Simplify (+ (* 500.0 0) (+ (* 0 0) (* 0 1))) into 0
1.165 * [backup-simplify]: Simplify (- 0) into 0
1.165 * [backup-simplify]: Simplify 0 into 0
1.165 * [backup-simplify]: Simplify 0 into 0
1.166 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
1.168 * [backup-simplify]: Simplify (+ (* 500.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
1.168 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)) (* 0 (/ 0 y)))) into 0
1.169 * [backup-simplify]: Simplify (+ (* 500.0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (/ 1 y))))) into 0
1.169 * [backup-simplify]: Simplify (- 0) into 0
1.170 * [backup-simplify]: Simplify (+ 0 0) into 0
1.170 * [taylor]: Taking taylor expansion of 0 in y
1.170 * [backup-simplify]: Simplify 0 into 0
1.170 * [backup-simplify]: Simplify 0 into 0
1.170 * [backup-simplify]: Simplify (+ (* 500.0 (* 1 (/ 1 (/ 1 x)))) (* (- 500.0) (* (/ 1 (/ 1 y)) 1))) into (- (* 500.0 x) (* 500.0 y))
1.171 * [backup-simplify]: Simplify (+ (* 500.0 (/ 1 (- x))) (* 500.0 (- (/ 1 (- y))))) into (- (* 500.0 (/ 1 y)) (* 500.0 (/ 1 x)))
1.171 * [approximate]: Taking taylor expansion of (- (* 500.0 (/ 1 y)) (* 500.0 (/ 1 x))) in (x y) around 0
1.171 * [taylor]: Taking taylor expansion of (- (* 500.0 (/ 1 y)) (* 500.0 (/ 1 x))) in y
1.171 * [taylor]: Taking taylor expansion of (* 500.0 (/ 1 y)) in y
1.171 * [taylor]: Taking taylor expansion of 500.0 in y
1.171 * [backup-simplify]: Simplify 500.0 into 500.0
1.171 * [taylor]: Taking taylor expansion of (/ 1 y) in y
1.171 * [taylor]: Taking taylor expansion of y in y
1.171 * [backup-simplify]: Simplify 0 into 0
1.171 * [backup-simplify]: Simplify 1 into 1
1.171 * [backup-simplify]: Simplify (/ 1 1) into 1
1.171 * [taylor]: Taking taylor expansion of (* 500.0 (/ 1 x)) in y
1.171 * [taylor]: Taking taylor expansion of 500.0 in y
1.171 * [backup-simplify]: Simplify 500.0 into 500.0
1.171 * [taylor]: Taking taylor expansion of (/ 1 x) in y
1.171 * [taylor]: Taking taylor expansion of x in y
1.171 * [backup-simplify]: Simplify x into x
1.171 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
1.171 * [taylor]: Taking taylor expansion of (- (* 500.0 (/ 1 y)) (* 500.0 (/ 1 x))) in x
1.171 * [taylor]: Taking taylor expansion of (* 500.0 (/ 1 y)) in x
1.171 * [taylor]: Taking taylor expansion of 500.0 in x
1.172 * [backup-simplify]: Simplify 500.0 into 500.0
1.172 * [taylor]: Taking taylor expansion of (/ 1 y) in x
1.172 * [taylor]: Taking taylor expansion of y in x
1.172 * [backup-simplify]: Simplify y into y
1.172 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
1.172 * [taylor]: Taking taylor expansion of (* 500.0 (/ 1 x)) in x
1.172 * [taylor]: Taking taylor expansion of 500.0 in x
1.172 * [backup-simplify]: Simplify 500.0 into 500.0
1.172 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.172 * [taylor]: Taking taylor expansion of x in x
1.172 * [backup-simplify]: Simplify 0 into 0
1.172 * [backup-simplify]: Simplify 1 into 1
1.172 * [backup-simplify]: Simplify (/ 1 1) into 1
1.172 * [taylor]: Taking taylor expansion of (- (* 500.0 (/ 1 y)) (* 500.0 (/ 1 x))) in x
1.172 * [taylor]: Taking taylor expansion of (* 500.0 (/ 1 y)) in x
1.172 * [taylor]: Taking taylor expansion of 500.0 in x
1.172 * [backup-simplify]: Simplify 500.0 into 500.0
1.172 * [taylor]: Taking taylor expansion of (/ 1 y) in x
1.172 * [taylor]: Taking taylor expansion of y in x
1.172 * [backup-simplify]: Simplify y into y
1.172 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
1.172 * [taylor]: Taking taylor expansion of (* 500.0 (/ 1 x)) in x
1.172 * [taylor]: Taking taylor expansion of 500.0 in x
1.173 * [backup-simplify]: Simplify 500.0 into 500.0
1.173 * [taylor]: Taking taylor expansion of (/ 1 x) in x
1.173 * [taylor]: Taking taylor expansion of x in x
1.173 * [backup-simplify]: Simplify 0 into 0
1.173 * [backup-simplify]: Simplify 1 into 1
1.173 * [backup-simplify]: Simplify (/ 1 1) into 1
1.173 * [backup-simplify]: Simplify (* 500.0 1) into 500.0
1.174 * [backup-simplify]: Simplify (- 500.0) into (- 500.0)
1.175 * [backup-simplify]: Simplify (+ 0 (- 500.0)) into (- 500.0)
1.175 * [taylor]: Taking taylor expansion of (- 500.0) in y
1.175 * [taylor]: Taking taylor expansion of 500.0 in y
1.175 * [backup-simplify]: Simplify 500.0 into 500.0
1.175 * [backup-simplify]: Simplify (* 500.0 (/ 1 y)) into (/ 500.0 y)
1.176 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
1.176 * [backup-simplify]: Simplify (+ (* 500.0 0) (* 0 1)) into 0
1.177 * [backup-simplify]: Simplify (- 0) into 0
1.177 * [backup-simplify]: Simplify (+ (/ 500.0 y) 0) into (* 500.0 (/ 1 y))
1.177 * [taylor]: Taking taylor expansion of (* 500.0 (/ 1 y)) in y
1.177 * [taylor]: Taking taylor expansion of 500.0 in y
1.177 * [backup-simplify]: Simplify 500.0 into 500.0
1.177 * [taylor]: Taking taylor expansion of (/ 1 y) in y
1.177 * [taylor]: Taking taylor expansion of y in y
1.177 * [backup-simplify]: Simplify 0 into 0
1.177 * [backup-simplify]: Simplify 1 into 1
1.177 * [backup-simplify]: Simplify (/ 1 1) into 1
1.178 * [backup-simplify]: Simplify (* 500.0 1) into 500.0
1.178 * [backup-simplify]: Simplify 500.0 into 500.0
1.178 * [backup-simplify]: Simplify (- 500.0) into (- 500.0)
1.179 * [backup-simplify]: Simplify (- 500.0) into (- 500.0)
1.179 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0
1.179 * [backup-simplify]: Simplify (+ (* 500.0 0) (* 0 (/ 1 y))) into 0
1.180 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
1.181 * [backup-simplify]: Simplify (+ (* 500.0 0) (+ (* 0 0) (* 0 1))) into 0
1.181 * [backup-simplify]: Simplify (- 0) into 0
1.182 * [backup-simplify]: Simplify (+ 0 0) into 0
1.182 * [taylor]: Taking taylor expansion of 0 in y
1.182 * [backup-simplify]: Simplify 0 into 0
1.183 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
1.183 * [backup-simplify]: Simplify (+ (* 500.0 0) (* 0 1)) into 0
1.183 * [backup-simplify]: Simplify 0 into 0
1.184 * [backup-simplify]: Simplify (- 0) into 0
1.184 * [backup-simplify]: Simplify 0 into 0
1.184 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0
1.185 * [backup-simplify]: Simplify (+ (* 500.0 0) (+ (* 0 0) (* 0 (/ 1 y)))) into 0
1.186 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
1.187 * [backup-simplify]: Simplify (+ (* 500.0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
1.187 * [backup-simplify]: Simplify (- 0) into 0
1.188 * [backup-simplify]: Simplify (+ 0 0) into 0
1.188 * [taylor]: Taking taylor expansion of 0 in y
1.188 * [backup-simplify]: Simplify 0 into 0
1.188 * [backup-simplify]: Simplify 0 into 0
1.189 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
1.190 * [backup-simplify]: Simplify (+ (* 500.0 0) (+ (* 0 0) (* 0 1))) into 0
1.190 * [backup-simplify]: Simplify 0 into 0
1.190 * [backup-simplify]: Simplify (- 0) into 0
1.190 * [backup-simplify]: Simplify 0 into 0
1.191 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)) (* 0 (/ 0 y)))) into 0
1.192 * [backup-simplify]: Simplify (+ (* 500.0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (/ 1 y))))) into 0
1.193 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
1.194 * [backup-simplify]: Simplify (+ (* 500.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
1.195 * [backup-simplify]: Simplify (- 0) into 0
1.195 * [backup-simplify]: Simplify (+ 0 0) into 0
1.195 * [taylor]: Taking taylor expansion of 0 in y
1.195 * [backup-simplify]: Simplify 0 into 0
1.195 * [backup-simplify]: Simplify 0 into 0
1.196 * [backup-simplify]: Simplify (+ (* (- 500.0) (* 1 (/ 1 (/ 1 (- x))))) (* 500.0 (* (/ 1 (/ 1 (- y))) 1))) into (- (* 500.0 x) (* 500.0 y))
1.196 * * * [progress]: simplifying candidates
1.197 * [simplify]: Simplifying:
  (expm1 (+ (* 500.0 x) (* 500.0 (- y))))
  (log1p (+ (* 500.0 x) (* 500.0 (- y))))
  (* (exp (* 500.0 x)) (exp (* 500.0 (- y))))
  (log (+ (* 500.0 x) (* 500.0 (- y))))
  (exp (+ (* 500.0 x) (* 500.0 (- y))))
  (* (cbrt (+ (* 500.0 x) (* 500.0 (- y)))) (cbrt (+ (* 500.0 x) (* 500.0 (- y)))))
  (cbrt (+ (* 500.0 x) (* 500.0 (- y))))
  (* (* (+ (* 500.0 x) (* 500.0 (- y))) (+ (* 500.0 x) (* 500.0 (- y)))) (+ (* 500.0 x) (* 500.0 (- y))))
  (sqrt (+ (* 500.0 x) (* 500.0 (- y))))
  (sqrt (+ (* 500.0 x) (* 500.0 (- y))))
  (+ (pow (* 500.0 x) 3) (pow (* 500.0 (- y)) 3))
  (+ (* (* 500.0 x) (* 500.0 x)) (- (* (* 500.0 (- y)) (* 500.0 (- y))) (* (* 500.0 x) (* 500.0 (- y)))))
  (- (* (* 500.0 x) (* 500.0 x)) (* (* 500.0 (- y)) (* 500.0 (- y))))
  (- (* 500.0 x) (* 500.0 (- y)))
  (+ x (- y))
  (- (* 500.0 x) (* 500.0 y))
  (- (* 500.0 x) (* 500.0 y))
  (- (* 500.0 x) (* 500.0 y))
1.197 * * [simplify]: iteration 0: 33 enodes
1.209 * * [simplify]: iteration 1: 113 enodes
1.239 * * [simplify]: iteration 2: 459 enodes
1.671 * * [simplify]: iteration 3: 2460 enodes
3.486 * * [simplify]: iteration complete: 5001 enodes
3.487 * * [simplify]: Extracting #0: cost 14 inf + 0
3.488 * * [simplify]: Extracting #1: cost 341 inf + 0
3.498 * * [simplify]: Extracting #2: cost 638 inf + 12589
3.529 * * [simplify]: Extracting #3: cost 347 inf + 70027
3.596 * * [simplify]: Extracting #4: cost 119 inf + 123547
3.650 * * [simplify]: Extracting #5: cost 12 inf + 157544
3.709 * * [simplify]: Extracting #6: cost 0 inf + 162197
3.782 * [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)))
  (* (* 500.0 (- x y)) (* (* 500.0 (- x y)) (* 500.0 (- x y))))
  (sqrt (* 500.0 (- x y)))
  (sqrt (* 500.0 (- x y)))
  (- (* (* (* 500.0 x) (* 500.0 x)) (* 500.0 x)) (* (* y 500.0) (* (* y 500.0) (* y 500.0))))
  (fma (* 500.0 (* 500.0 x)) (+ y x) (* (* y 500.0) (* y 500.0)))
  (* 500.0 (* (* (+ x y) (- x y)) 500.0))
  (* (+ y x) 500.0)
  (- x y)
  (* 500.0 (- x y))
  (* 500.0 (- x y))
  (* 500.0 (- x y))
3.783 * * * [progress]: adding candidates to table
3.855 * * [progress]: iteration 3 / 4
3.855 * * * [progress]: picking best candidate
3.858 * * * * [pick]: Picked  #<alt (λ (x y) (fma 500.0 x (* 500.0 (- y))))>
3.858 * * * [progress]: localizing error
3.865 * * * [progress]: generating rewritten candidates
3.865 * * * [progress]: generating series expansions
3.865 * * * [progress]: simplifying candidates
3.865 * [simplify]: Simplifying:
  
3.865 * * [simplify]: iteration 0: 0 enodes
3.865 * * [simplify]: iteration complete: 0 enodes
3.865 * * [simplify]: Extracting #0: cost 0 inf + 0
3.865 * [simplify]: Simplified to:
  
3.865 * * * [progress]: adding candidates to table
3.866 * [progress]: [Phase 3 of 3] Extracting.
3.869 * [simplify]: Simplifying:
  (fma 500.0 x (* 500.0 (- y)))
3.869 * * [simplify]: iteration 0: 6 enodes
3.870 * * [simplify]: iteration 1: 9 enodes
3.870 * * [simplify]: iteration 2: 13 enodes
3.871 * * [simplify]: iteration 3: 14 enodes
3.872 * * [simplify]: iteration complete: 14 enodes
3.872 * * [simplify]: Extracting #0: cost 1 inf + 0
3.872 * * [simplify]: Extracting #1: cost 4 inf + 0
3.872 * * [simplify]: Extracting #2: cost 6 inf + 2
3.872 * * [simplify]: Extracting #3: cost 0 inf + 347
3.872 * [simplify]: Simplified to:
  (fma 500.0 x (* (- y) 500.0))
4.739 * [regime-testing]: Baseline error score: 0.009449301475274554
4.752 * [regime-testing]: Oracle error score: 0.009449301475274554
4.752 * [regime-testing]: End program error score: 0.009449301475274554