28.919 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.028 * * * [progress]: [2/2] Setting up program.
0.030 * [progress]: [Phase 2 of 3] Improving.
0.031 * [simplify]: Simplifying:
  (/ (* x y) 2.0)
0.031 * [simplify]: Sending expressions to egg_math:
 (/ (* h1 h0) 2.0)
0.064 * * [progress]: iteration 1 / 4
0.065 * * * [progress]: picking best candidate
0.067 * * * * [pick]: Picked  #<alt (λ (x y) (/ (* x y) 2.0))>
0.067 * * * [progress]: localizing error
0.076 * * * [progress]: generating rewritten candidates
0.076 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.097 * * * [progress]: generating series expansions
0.097 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.098 * [backup-simplify]: Simplify (/ (* x y) 2.0) into (* 0.5 (* x y))
0.098 * [approximate]: Taking taylor expansion of (* 0.5 (* x y)) in (x y) around 0
0.098 * [taylor]: Taking taylor expansion of (* 0.5 (* x y)) in y
0.098 * [taylor]: Taking taylor expansion of 0.5 in y
0.098 * [backup-simplify]: Simplify 0.5 into 0.5
0.098 * [taylor]: Taking taylor expansion of (* x y) in y
0.098 * [taylor]: Taking taylor expansion of x in y
0.098 * [backup-simplify]: Simplify x into x
0.098 * [taylor]: Taking taylor expansion of y in y
0.098 * [backup-simplify]: Simplify 0 into 0
0.098 * [backup-simplify]: Simplify 1 into 1
0.098 * [taylor]: Taking taylor expansion of (* 0.5 (* x y)) in x
0.098 * [taylor]: Taking taylor expansion of 0.5 in x
0.098 * [backup-simplify]: Simplify 0.5 into 0.5
0.098 * [taylor]: Taking taylor expansion of (* x y) 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 * [taylor]: Taking taylor expansion of y in x
0.098 * [backup-simplify]: Simplify y into y
0.098 * [taylor]: Taking taylor expansion of (* 0.5 (* x y)) in x
0.098 * [taylor]: Taking taylor expansion of 0.5 in x
0.098 * [backup-simplify]: Simplify 0.5 into 0.5
0.098 * [taylor]: Taking taylor expansion of (* x y) 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 * [taylor]: Taking taylor expansion of y in x
0.098 * [backup-simplify]: Simplify y into y
0.099 * [backup-simplify]: Simplify (* 0 y) into 0
0.099 * [backup-simplify]: Simplify (* 0.5 0) 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 0 into 0
0.100 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 y)) into y
0.100 * [backup-simplify]: Simplify (+ (* 0.5 y) (* 0 0)) into (* 0.5 y)
0.100 * [taylor]: Taking taylor expansion of (* 0.5 y) in y
0.100 * [taylor]: Taking taylor expansion of 0.5 in y
0.101 * [backup-simplify]: Simplify 0.5 into 0.5
0.101 * [taylor]: Taking taylor expansion of y in y
0.101 * [backup-simplify]: Simplify 0 into 0
0.101 * [backup-simplify]: Simplify 1 into 1
0.101 * [backup-simplify]: Simplify (* 0.5 0) into 0
0.101 * [backup-simplify]: Simplify 0 into 0
0.101 * [backup-simplify]: Simplify 0 into 0
0.102 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (* 0 y))) into 0
0.103 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 y) (* 0 0))) into 0
0.103 * [taylor]: Taking taylor expansion of 0 in y
0.103 * [backup-simplify]: Simplify 0 into 0
0.103 * [backup-simplify]: Simplify 0 into 0
0.104 * [backup-simplify]: Simplify (+ (* 0.5 1) (* 0 0)) into 0.5
0.104 * [backup-simplify]: Simplify 0.5 into 0.5
0.104 * [backup-simplify]: Simplify 0 into 0
0.105 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (* 0 y)))) into 0
0.106 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 y) (* 0 0)))) into 0
0.106 * [taylor]: Taking taylor expansion of 0 in y
0.106 * [backup-simplify]: Simplify 0 into 0
0.106 * [backup-simplify]: Simplify 0 into 0
0.106 * [backup-simplify]: Simplify 0 into 0
0.106 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 1) (* 0 0))) into 0
0.106 * [backup-simplify]: Simplify 0 into 0
0.106 * [backup-simplify]: Simplify 0 into 0
0.107 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 y))))) into 0
0.108 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 y) (* 0 0))))) into 0
0.108 * [taylor]: Taking taylor expansion of 0 in y
0.108 * [backup-simplify]: Simplify 0 into 0
0.108 * [backup-simplify]: Simplify 0 into 0
0.108 * [backup-simplify]: Simplify (* 0.5 (* y x)) into (* 0.5 (* x y))
0.108 * [backup-simplify]: Simplify (/ (* (/ 1 x) (/ 1 y)) 2.0) into (/ 0.5 (* x y))
0.108 * [approximate]: Taking taylor expansion of (/ 0.5 (* x y)) in (x y) around 0
0.108 * [taylor]: Taking taylor expansion of (/ 0.5 (* x y)) in y
0.108 * [taylor]: Taking taylor expansion of 0.5 in y
0.108 * [backup-simplify]: Simplify 0.5 into 0.5
0.108 * [taylor]: Taking taylor expansion of (* x y) in y
0.108 * [taylor]: Taking taylor expansion of x in y
0.109 * [backup-simplify]: Simplify x into x
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 (* x 0) into 0
0.109 * [backup-simplify]: Simplify (+ (* x 1) (* 0 0)) into x
0.109 * [backup-simplify]: Simplify (/ 0.5 x) into (/ 0.5 x)
0.109 * [taylor]: Taking taylor expansion of (/ 0.5 (* x y)) in x
0.109 * [taylor]: Taking taylor expansion of 0.5 in x
0.109 * [backup-simplify]: Simplify 0.5 into 0.5
0.109 * [taylor]: Taking taylor expansion of (* x y) in x
0.109 * [taylor]: Taking taylor expansion of x in x
0.109 * [backup-simplify]: Simplify 0 into 0
0.109 * [backup-simplify]: Simplify 1 into 1
0.109 * [taylor]: Taking taylor expansion of y in x
0.109 * [backup-simplify]: Simplify y into y
0.109 * [backup-simplify]: Simplify (* 0 y) into 0
0.109 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 y)) into y
0.109 * [backup-simplify]: Simplify (/ 0.5 y) into (/ 0.5 y)
0.109 * [taylor]: Taking taylor expansion of (/ 0.5 (* x y)) in x
0.109 * [taylor]: Taking taylor expansion of 0.5 in x
0.109 * [backup-simplify]: Simplify 0.5 into 0.5
0.109 * [taylor]: Taking taylor expansion of (* x y) in x
0.109 * [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 * [taylor]: Taking taylor expansion of y in x
0.110 * [backup-simplify]: Simplify y into y
0.110 * [backup-simplify]: Simplify (* 0 y) into 0
0.110 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 y)) into y
0.110 * [backup-simplify]: Simplify (/ 0.5 y) into (/ 0.5 y)
0.110 * [taylor]: Taking taylor expansion of (/ 0.5 y) in y
0.110 * [taylor]: Taking taylor expansion of 0.5 in y
0.110 * [backup-simplify]: Simplify 0.5 into 0.5
0.110 * [taylor]: Taking taylor expansion of y in y
0.110 * [backup-simplify]: Simplify 0 into 0
0.110 * [backup-simplify]: Simplify 1 into 1
0.110 * [backup-simplify]: Simplify (/ 0.5 1) into 0.5
0.110 * [backup-simplify]: Simplify 0.5 into 0.5
0.111 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (* 0 y))) into 0
0.111 * [backup-simplify]: Simplify (- (/ 0 y) (+ (* (/ 0.5 y) (/ 0 y)))) into 0
0.111 * [taylor]: Taking taylor expansion of 0 in y
0.111 * [backup-simplify]: Simplify 0 into 0
0.112 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 0.5 (/ 0 1)))) into 0
0.112 * [backup-simplify]: Simplify 0 into 0
0.112 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (* 0 y)))) into 0
0.112 * [backup-simplify]: Simplify (- (/ 0 y) (+ (* (/ 0.5 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0
0.112 * [taylor]: Taking taylor expansion of 0 in y
0.112 * [backup-simplify]: Simplify 0 into 0
0.113 * [backup-simplify]: Simplify 0 into 0
0.113 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 0.5 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.113 * [backup-simplify]: Simplify 0 into 0
0.114 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 y))))) into 0
0.114 * [backup-simplify]: Simplify (- (/ 0 y) (+ (* (/ 0.5 y) (/ 0 y)) (* 0 (/ 0 y)) (* 0 (/ 0 y)))) into 0
0.114 * [taylor]: Taking taylor expansion of 0 in y
0.114 * [backup-simplify]: Simplify 0 into 0
0.114 * [backup-simplify]: Simplify 0 into 0
0.114 * [backup-simplify]: Simplify 0 into 0
0.115 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 0.5 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.115 * [backup-simplify]: Simplify 0 into 0
0.115 * [backup-simplify]: Simplify (* 0.5 (* (/ 1 (/ 1 y)) (/ 1 (/ 1 x)))) into (* 0.5 (* x y))
0.115 * [backup-simplify]: Simplify (/ (* (/ 1 (- x)) (/ 1 (- y))) 2.0) into (/ 0.5 (* x y))
0.115 * [approximate]: Taking taylor expansion of (/ 0.5 (* x y)) in (x y) around 0
0.115 * [taylor]: Taking taylor expansion of (/ 0.5 (* x y)) in y
0.115 * [taylor]: Taking taylor expansion of 0.5 in y
0.115 * [backup-simplify]: Simplify 0.5 into 0.5
0.115 * [taylor]: Taking taylor expansion of (* x y) in y
0.115 * [taylor]: Taking taylor expansion of x in y
0.115 * [backup-simplify]: Simplify x into x
0.116 * [taylor]: Taking taylor expansion of y in y
0.116 * [backup-simplify]: Simplify 0 into 0
0.116 * [backup-simplify]: Simplify 1 into 1
0.116 * [backup-simplify]: Simplify (* x 0) into 0
0.116 * [backup-simplify]: Simplify (+ (* x 1) (* 0 0)) into x
0.116 * [backup-simplify]: Simplify (/ 0.5 x) into (/ 0.5 x)
0.116 * [taylor]: Taking taylor expansion of (/ 0.5 (* x y)) in x
0.116 * [taylor]: Taking taylor expansion of 0.5 in x
0.116 * [backup-simplify]: Simplify 0.5 into 0.5
0.116 * [taylor]: Taking taylor expansion of (* x y) in x
0.116 * [taylor]: Taking taylor expansion of x in x
0.116 * [backup-simplify]: Simplify 0 into 0
0.116 * [backup-simplify]: Simplify 1 into 1
0.116 * [taylor]: Taking taylor expansion of y in x
0.116 * [backup-simplify]: Simplify y into y
0.116 * [backup-simplify]: Simplify (* 0 y) into 0
0.116 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 y)) into y
0.116 * [backup-simplify]: Simplify (/ 0.5 y) into (/ 0.5 y)
0.116 * [taylor]: Taking taylor expansion of (/ 0.5 (* x y)) in x
0.116 * [taylor]: Taking taylor expansion of 0.5 in x
0.116 * [backup-simplify]: Simplify 0.5 into 0.5
0.116 * [taylor]: Taking taylor expansion of (* x y) in x
0.116 * [taylor]: Taking taylor expansion of x in x
0.116 * [backup-simplify]: Simplify 0 into 0
0.116 * [backup-simplify]: Simplify 1 into 1
0.117 * [taylor]: Taking taylor expansion of y in x
0.117 * [backup-simplify]: Simplify y into y
0.117 * [backup-simplify]: Simplify (* 0 y) into 0
0.117 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 y)) into y
0.117 * [backup-simplify]: Simplify (/ 0.5 y) into (/ 0.5 y)
0.117 * [taylor]: Taking taylor expansion of (/ 0.5 y) in y
0.117 * [taylor]: Taking taylor expansion of 0.5 in y
0.117 * [backup-simplify]: Simplify 0.5 into 0.5
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
0.117 * [backup-simplify]: Simplify (/ 0.5 1) into 0.5
0.117 * [backup-simplify]: Simplify 0.5 into 0.5
0.118 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (* 0 y))) into 0
0.118 * [backup-simplify]: Simplify (- (/ 0 y) (+ (* (/ 0.5 y) (/ 0 y)))) into 0
0.118 * [taylor]: Taking taylor expansion of 0 in y
0.118 * [backup-simplify]: Simplify 0 into 0
0.118 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 0.5 (/ 0 1)))) into 0
0.119 * [backup-simplify]: Simplify 0 into 0
0.119 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (* 0 y)))) into 0
0.119 * [backup-simplify]: Simplify (- (/ 0 y) (+ (* (/ 0.5 y) (/ 0 y)) (* 0 (/ 0 y)))) 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 (- (/ 0 1) (+ (* 0.5 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.120 * [backup-simplify]: Simplify 0 into 0
0.121 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 y))))) into 0
0.121 * [backup-simplify]: Simplify (- (/ 0 y) (+ (* (/ 0.5 y) (/ 0 y)) (* 0 (/ 0 y)) (* 0 (/ 0 y)))) into 0
0.121 * [taylor]: Taking taylor expansion of 0 in y
0.121 * [backup-simplify]: Simplify 0 into 0
0.121 * [backup-simplify]: Simplify 0 into 0
0.121 * [backup-simplify]: Simplify 0 into 0
0.122 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 0.5 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.122 * [backup-simplify]: Simplify 0 into 0
0.122 * [backup-simplify]: Simplify (* 0.5 (* (/ 1 (/ 1 (- y))) (/ 1 (/ 1 (- x))))) into (* 0.5 (* x y))
0.122 * * * [progress]: simplifying candidates
0.122 * [simplify]: Simplifying:
  (- (+ (log x) (log y)) (log 2.0))
  (- (log (* x y)) (log 2.0))
  (log (/ (* x y) 2.0))
  (exp (/ (* x y) 2.0))
  (/ (* (* (* x x) x) (* (* y y) y)) (* (* 2.0 2.0) 2.0))
  (/ (* (* (* x y) (* x y)) (* x y)) (* (* 2.0 2.0) 2.0))
  (* (cbrt (/ (* x y) 2.0)) (cbrt (/ (* x y) 2.0)))
  (cbrt (/ (* x y) 2.0))
  (* (* (/ (* x y) 2.0) (/ (* x y) 2.0)) (/ (* x y) 2.0))
  (sqrt (/ (* x y) 2.0))
  (sqrt (/ (* x y) 2.0))
  (- (* x y))
  (- 2.0)
  (/ x (* (cbrt 2.0) (cbrt 2.0)))
  (/ y (cbrt 2.0))
  (/ x (sqrt 2.0))
  (/ y (sqrt 2.0))
  (/ x 1)
  (/ y 2.0)
  (/ 1 2.0)
  (/ 2.0 (* x y))
  (/ (* x y) (* (cbrt 2.0) (cbrt 2.0)))
  (/ (* x y) (sqrt 2.0))
  (/ (* x y) 1)
  (/ 2.0 y)
  (* 0.5 (* x y))
  (* 0.5 (* x y))
  (* 0.5 (* x y))
0.123 * [simplify]: Sending expressions to egg_math:
 (- (+ (log h1) (log h0)) (log 2.0))
 (- (log (* h1 h0)) (log 2.0))
 (log (/ (* h1 h0) 2.0))
 (exp (/ (* h1 h0) 2.0))
 (/ (* (* (* h1 h1) h1) (* (* h0 h0) h0)) (* (* 2.0 2.0) 2.0))
 (/ (* (* (* h1 h0) (* h1 h0)) (* h1 h0)) (* (* 2.0 2.0) 2.0))
 (* (cbrt (/ (* h1 h0) 2.0)) (cbrt (/ (* h1 h0) 2.0)))
 (cbrt (/ (* h1 h0) 2.0))
 (* (* (/ (* h1 h0) 2.0) (/ (* h1 h0) 2.0)) (/ (* h1 h0) 2.0))
 (sqrt (/ (* h1 h0) 2.0))
 (sqrt (/ (* h1 h0) 2.0))
 (- (* h1 h0))
 (- 2.0)
 (/ h1 (* (cbrt 2.0) (cbrt 2.0)))
 (/ h0 (cbrt 2.0))
 (/ h1 (sqrt 2.0))
 (/ h0 (sqrt 2.0))
 (/ h1 1)
 (/ h0 2.0)
 (/ 1 2.0)
 (/ 2.0 (* h1 h0))
 (/ (* h1 h0) (* (cbrt 2.0) (cbrt 2.0)))
 (/ (* h1 h0) (sqrt 2.0))
 (/ (* h1 h0) 1)
 (/ 2.0 h0)
 (* (/ 1.0 2.0) (* h1 h0))
 (* (/ 1.0 2.0) (* h1 h0))
 (* (/ 1.0 2.0) (* h1 h0))
1.194 * * * [progress]: adding candidates to table
1.240 * * [progress]: iteration 2 / 4
1.240 * * * [progress]: picking best candidate
1.242 * * * * [pick]: Picked  #<alt (λ (x y) (* x (/ y 2.0)))>
1.242 * * * [progress]: localizing error
1.251 * * * [progress]: generating rewritten candidates
1.251 * * * [progress]: generating series expansions
1.251 * * * [progress]: simplifying candidates
1.252 * [simplify]: Simplifying:
  
1.252 * [simplify]: Sending expressions to egg_math:
 
1.271 * * * [progress]: adding candidates to table
1.272 * [progress]: [Phase 3 of 3] Extracting.
1.274 * [simplify]: Simplifying:
  (* x (/ y 2.0))
1.274 * [simplify]: Sending expressions to egg_math:
 (* h1 (/ h0 2.0))
2.073 * [regime-testing]: Baseline error score: 0.0006250781347668458
2.077 * [regime-testing]: Oracle error score: 0.0006250781347668458
2.077 * [regime-testing]: End program error score: 0.0006250781347668458