8.982 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.011 * * * [progress]: [2/2] Setting up program.
0.012 * [progress]: [Phase 2 of 3] Improving.
0.012 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (/ x (* y 2.0))
0.014 * * [simplify]: iteration  0 :  8  enodes  (cost  2 )
0.016 * * [simplify]: iteration  1 :  10  enodes  (cost  2 )
0.017 * * [simplify]: iteration  2 :  10  enodes  (cost  2 )
0.017 * [simplify]: Simplified to:
   (/ x (* y 2.0))
0.017 * * [progress]: iteration 1 / 4
0.017 * * * [progress]: picking best candidate
0.018 * * * * [pick]: Picked  #<alt (λ (x y) (/ x (* y 2.0)))>
0.018 * * * [progress]: localizing error
0.021 * * * [progress]: generating rewritten candidates
0.021 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.026 * * * [progress]: generating series expansions
0.026 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.026 * [approximate]: Taking taylor expansion of (* 0.5 (/ x y)) in (x y) around 0
0.026 * [taylor]: Taking taylor expansion of (* 0.5 (/ x y)) in y
0.026 * [taylor]: Taking taylor expansion of 0.5 in y
0.026 * [taylor]: Taking taylor expansion of (/ x y) in y
0.026 * [taylor]: Taking taylor expansion of x in y
0.026 * [taylor]: Taking taylor expansion of y in y
0.026 * [taylor]: Taking taylor expansion of (* 0.5 (/ x y)) in x
0.026 * [taylor]: Taking taylor expansion of 0.5 in x
0.026 * [taylor]: Taking taylor expansion of (/ x y) in x
0.026 * [taylor]: Taking taylor expansion of x in x
0.026 * [taylor]: Taking taylor expansion of y in x
0.026 * [taylor]: Taking taylor expansion of (* 0.5 (/ x y)) in x
0.026 * [taylor]: Taking taylor expansion of 0.5 in x
0.026 * [taylor]: Taking taylor expansion of (/ x y) in x
0.026 * [taylor]: Taking taylor expansion of x in x
0.026 * [taylor]: Taking taylor expansion of y in x
0.027 * [taylor]: Taking taylor expansion of (/ 0.5 y) in y
0.027 * [taylor]: Taking taylor expansion of 0.5 in y
0.027 * [taylor]: Taking taylor expansion of y in y
0.027 * [taylor]: Taking taylor expansion of 0 in y
0.029 * [taylor]: Taking taylor expansion of 0 in y
0.030 * [taylor]: Taking taylor expansion of 0 in y
0.031 * [approximate]: Taking taylor expansion of (* 0.5 (/ y x)) in (x y) around 0
0.031 * [taylor]: Taking taylor expansion of (* 0.5 (/ y x)) in y
0.031 * [taylor]: Taking taylor expansion of 0.5 in y
0.031 * [taylor]: Taking taylor expansion of (/ y x) in y
0.031 * [taylor]: Taking taylor expansion of y in y
0.031 * [taylor]: Taking taylor expansion of x in y
0.031 * [taylor]: Taking taylor expansion of (* 0.5 (/ y x)) in x
0.031 * [taylor]: Taking taylor expansion of 0.5 in x
0.031 * [taylor]: Taking taylor expansion of (/ y x) in x
0.031 * [taylor]: Taking taylor expansion of y in x
0.031 * [taylor]: Taking taylor expansion of x in x
0.031 * [taylor]: Taking taylor expansion of (* 0.5 (/ y x)) in x
0.031 * [taylor]: Taking taylor expansion of 0.5 in x
0.031 * [taylor]: Taking taylor expansion of (/ y x) in x
0.031 * [taylor]: Taking taylor expansion of y in x
0.031 * [taylor]: Taking taylor expansion of x in x
0.031 * [taylor]: Taking taylor expansion of (* 0.5 y) in y
0.031 * [taylor]: Taking taylor expansion of 0.5 in y
0.031 * [taylor]: Taking taylor expansion of y in y
0.033 * [taylor]: Taking taylor expansion of 0 in y
0.035 * [taylor]: Taking taylor expansion of 0 in y
0.037 * [taylor]: Taking taylor expansion of 0 in y
0.037 * [approximate]: Taking taylor expansion of (* 0.5 (/ y x)) in (x y) around 0
0.037 * [taylor]: Taking taylor expansion of (* 0.5 (/ y x)) in y
0.037 * [taylor]: Taking taylor expansion of 0.5 in y
0.037 * [taylor]: Taking taylor expansion of (/ y x) in y
0.037 * [taylor]: Taking taylor expansion of y in y
0.037 * [taylor]: Taking taylor expansion of x in y
0.037 * [taylor]: Taking taylor expansion of (* 0.5 (/ y x)) in x
0.037 * [taylor]: Taking taylor expansion of 0.5 in x
0.037 * [taylor]: Taking taylor expansion of (/ y x) in x
0.037 * [taylor]: Taking taylor expansion of y in x
0.037 * [taylor]: Taking taylor expansion of x in x
0.037 * [taylor]: Taking taylor expansion of (* 0.5 (/ y x)) in x
0.037 * [taylor]: Taking taylor expansion of 0.5 in x
0.037 * [taylor]: Taking taylor expansion of (/ y x) in x
0.037 * [taylor]: Taking taylor expansion of y in x
0.037 * [taylor]: Taking taylor expansion of x in x
0.038 * [taylor]: Taking taylor expansion of (* 0.5 y) in y
0.038 * [taylor]: Taking taylor expansion of 0.5 in y
0.038 * [taylor]: Taking taylor expansion of y in y
0.039 * [taylor]: Taking taylor expansion of 0 in y
0.041 * [taylor]: Taking taylor expansion of 0 in y
0.044 * [taylor]: Taking taylor expansion of 0 in y
0.044 * * * [progress]: simplifying candidates
0.044 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (expm1 (/ x (* y 2.0)))
  (log1p (/ x (* y 2.0)))
  (- (log x) (+ (log y) (log 2.0)))
  (- (log x) (log (* y 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 x) x) (* (* (* y 2.0) (* y 2.0)) (* y 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))
  (/ (* (cbrt x) (cbrt x)) y)
  (/ (cbrt x) 2.0)
  (/ (sqrt x) y)
  (/ (sqrt x) 2.0)
  (/ 1 y)
  (/ x 2.0)
  (/ 1 (* y 2.0))
  (/ (* y 2.0) x)
  (/ x y)
  (/ (* y 2.0) (cbrt x))
  (/ (* y 2.0) (sqrt x))
  (/ (* y 2.0) x)
  (* 0.5 (/ x y))
  (* 0.5 (/ x y))
  (* 0.5 (/ x y))
0.047 * * [simplify]: iteration  0 :  111  enodes  (cost  92 )
0.049 * * [simplify]: iteration  1 :  370  enodes  (cost  77 )
0.056 * * [simplify]: iteration  2 :  1511  enodes  (cost  77 )
0.077 * * [simplify]: iteration  3 :  4610  enodes  (cost  77 )
0.115 * * [simplify]: iteration  4 :  5002  enodes  (cost  77 )
0.116 * [simplify]: Simplified to:
   (expm1 (/ x (* y 2.0)))
  (log1p (/ x (* y 2.0)))
  (log (/ x (* y 2.0)))
  (log (/ x (* y 2.0)))
  (log (/ x (* y 2.0)))
  (exp (/ x (* y 2.0)))
  (pow (/ x (* y 2.0)) 3)
  (pow (/ x (* y 2.0)) 3)
  (* (cbrt (/ x (* y 2.0))) (cbrt (/ x (* y 2.0))))
  (cbrt (/ x (* y 2.0)))
  (pow (/ x (* y 2.0)) 3)
  (sqrt (/ x (* y 2.0)))
  (sqrt (/ x (* y 2.0)))
  (- x)
  (- (* y 2.0))
  (/ (* (cbrt x) (cbrt x)) y)
  (/ (cbrt x) 2.0)
  (/ (sqrt x) y)
  (/ (sqrt x) 2.0)
  (/ 1 y)
  (/ x 2.0)
  (/ 1 (* y 2.0))
  (/ (* y 2.0) x)
  (/ x y)
  (/ (* y 2.0) (cbrt x))
  (/ (* y 2.0) (sqrt x))
  (/ (* y 2.0) x)
  (* 0.5 (/ x y))
  (* 0.5 (/ x y))
  (* 0.5 (/ x y))
0.116 * * * [progress]: adding candidates to table
0.155 * * [progress]: iteration 2 / 4
0.155 * * * [progress]: picking best candidate
0.156 * * * * [pick]: Picked  #<alt (λ (x y) (* 0.5 (/ x y)))>
0.156 * * * [progress]: localizing error
0.159 * * * [progress]: generating rewritten candidates
0.159 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.167 * * * [progress]: generating series expansions
0.167 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.167 * [approximate]: Taking taylor expansion of (* 0.5 (/ x y)) in (x y) around 0
0.167 * [taylor]: Taking taylor expansion of (* 0.5 (/ x y)) in y
0.167 * [taylor]: Taking taylor expansion of 0.5 in y
0.167 * [taylor]: Taking taylor expansion of (/ x y) in y
0.167 * [taylor]: Taking taylor expansion of x in y
0.167 * [taylor]: Taking taylor expansion of y in y
0.167 * [taylor]: Taking taylor expansion of (* 0.5 (/ x y)) in x
0.167 * [taylor]: Taking taylor expansion of 0.5 in x
0.167 * [taylor]: Taking taylor expansion of (/ x y) in x
0.167 * [taylor]: Taking taylor expansion of x in x
0.167 * [taylor]: Taking taylor expansion of y in x
0.167 * [taylor]: Taking taylor expansion of (* 0.5 (/ x y)) in x
0.167 * [taylor]: Taking taylor expansion of 0.5 in x
0.167 * [taylor]: Taking taylor expansion of (/ x y) in x
0.167 * [taylor]: Taking taylor expansion of x in x
0.167 * [taylor]: Taking taylor expansion of y in x
0.168 * [taylor]: Taking taylor expansion of (/ 0.5 y) in y
0.168 * [taylor]: Taking taylor expansion of 0.5 in y
0.168 * [taylor]: Taking taylor expansion of y in y
0.168 * [taylor]: Taking taylor expansion of 0 in y
0.169 * [taylor]: Taking taylor expansion of 0 in y
0.171 * [taylor]: Taking taylor expansion of 0 in y
0.172 * [approximate]: Taking taylor expansion of (* 0.5 (/ y x)) in (x y) around 0
0.172 * [taylor]: Taking taylor expansion of (* 0.5 (/ y x)) in y
0.172 * [taylor]: Taking taylor expansion of 0.5 in y
0.172 * [taylor]: Taking taylor expansion of (/ y x) in y
0.172 * [taylor]: Taking taylor expansion of y in y
0.172 * [taylor]: Taking taylor expansion of x in y
0.172 * [taylor]: Taking taylor expansion of (* 0.5 (/ y x)) in x
0.172 * [taylor]: Taking taylor expansion of 0.5 in x
0.172 * [taylor]: Taking taylor expansion of (/ y x) in x
0.172 * [taylor]: Taking taylor expansion of y in x
0.172 * [taylor]: Taking taylor expansion of x in x
0.172 * [taylor]: Taking taylor expansion of (* 0.5 (/ y x)) in x
0.172 * [taylor]: Taking taylor expansion of 0.5 in x
0.172 * [taylor]: Taking taylor expansion of (/ y x) in x
0.172 * [taylor]: Taking taylor expansion of y in x
0.172 * [taylor]: Taking taylor expansion of x in x
0.172 * [taylor]: Taking taylor expansion of (* 0.5 y) in y
0.172 * [taylor]: Taking taylor expansion of 0.5 in y
0.172 * [taylor]: Taking taylor expansion of y in y
0.174 * [taylor]: Taking taylor expansion of 0 in y
0.175 * [taylor]: Taking taylor expansion of 0 in y
0.178 * [taylor]: Taking taylor expansion of 0 in y
0.178 * [approximate]: Taking taylor expansion of (* 0.5 (/ y x)) in (x y) around 0
0.178 * [taylor]: Taking taylor expansion of (* 0.5 (/ y x)) in y
0.178 * [taylor]: Taking taylor expansion of 0.5 in y
0.178 * [taylor]: Taking taylor expansion of (/ y x) in y
0.178 * [taylor]: Taking taylor expansion of y in y
0.178 * [taylor]: Taking taylor expansion of x in y
0.178 * [taylor]: Taking taylor expansion of (* 0.5 (/ y x)) in x
0.178 * [taylor]: Taking taylor expansion of 0.5 in x
0.178 * [taylor]: Taking taylor expansion of (/ y x) in x
0.178 * [taylor]: Taking taylor expansion of y in x
0.178 * [taylor]: Taking taylor expansion of x in x
0.178 * [taylor]: Taking taylor expansion of (* 0.5 (/ y x)) in x
0.178 * [taylor]: Taking taylor expansion of 0.5 in x
0.178 * [taylor]: Taking taylor expansion of (/ y x) in x
0.178 * [taylor]: Taking taylor expansion of y in x
0.178 * [taylor]: Taking taylor expansion of x in x
0.178 * [taylor]: Taking taylor expansion of (* 0.5 y) in y
0.178 * [taylor]: Taking taylor expansion of 0.5 in y
0.179 * [taylor]: Taking taylor expansion of y in y
0.180 * [taylor]: Taking taylor expansion of 0 in y
0.182 * [taylor]: Taking taylor expansion of 0 in y
0.184 * [taylor]: Taking taylor expansion of 0 in y
0.185 * * * [progress]: simplifying candidates
0.185 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (expm1 (* 0.5 (/ x y)))
  (log1p (* 0.5 (/ x y)))
  (* 0.5 (/ x y))
  (+ (log 0.5) (- (log x) (log y)))
  (+ (log 0.5) (log (/ x y)))
  (log (* 0.5 (/ x y)))
  (exp (* 0.5 (/ x y)))
  (* (* (* 0.5 0.5) 0.5) (/ (* (* x x) x) (* (* y y) y)))
  (* (* (* 0.5 0.5) 0.5) (* (* (/ x y) (/ x y)) (/ x y)))
  (* (cbrt (* 0.5 (/ x y))) (cbrt (* 0.5 (/ x y))))
  (cbrt (* 0.5 (/ x y)))
  (* (* (* 0.5 (/ x y)) (* 0.5 (/ x y))) (* 0.5 (/ x y)))
  (sqrt (* 0.5 (/ x y)))
  (sqrt (* 0.5 (/ x y)))
  (* (sqrt 0.5) (sqrt (/ x y)))
  (* (sqrt 0.5) (sqrt (/ x y)))
  (* (sqrt 0.5) (/ (sqrt x) (sqrt y)))
  (* (sqrt 0.5) (/ (sqrt x) (sqrt y)))
  (* 0.5 (* (cbrt (/ x y)) (cbrt (/ x y))))
  (* 0.5 (sqrt (/ x y)))
  (* 0.5 (/ (* (cbrt x) (cbrt x)) (* (cbrt y) (cbrt y))))
  (* 0.5 (/ (* (cbrt x) (cbrt x)) (sqrt y)))
  (* 0.5 (/ (* (cbrt x) (cbrt x)) 1))
  (* 0.5 (/ (sqrt x) (* (cbrt y) (cbrt y))))
  (* 0.5 (/ (sqrt x) (sqrt y)))
  (* 0.5 (/ (sqrt x) 1))
  (* 0.5 (/ 1 (* (cbrt y) (cbrt y))))
  (* 0.5 (/ 1 (sqrt y)))
  (* 0.5 (/ 1 1))
  (* 0.5 1)
  (* 0.5 x)
  (* (cbrt 0.5) (/ x y))
  (* (sqrt 0.5) (/ x y))
  (* 0.5 (/ x y))
  (* 0.5 x)
  (* 0.5 (/ x y))
  (* 0.5 (/ x y))
  (* 0.5 (/ x y))
0.189 * * [simplify]: iteration  0 :  166  enodes  (cost  139 )
0.192 * * [simplify]: iteration  1 :  729  enodes  (cost  124 )
0.205 * * [simplify]: iteration  2 :  2966  enodes  (cost  124 )
0.245 * * [simplify]: iteration  3 :  5001  enodes  (cost  124 )
0.246 * [simplify]: Simplified to:
   (expm1 (* 0.5 (/ x y)))
  (log1p (* 0.5 (/ x y)))
  (* 0.5 (/ x y))
  (log (* 0.5 (/ x y)))
  (log (* 0.5 (/ x y)))
  (log (* 0.5 (/ x y)))
  (exp (* 0.5 (/ x y)))
  (pow (* 0.5 (/ x y)) 3)
  (pow (* 0.5 (/ x y)) 3)
  (* (cbrt (* 0.5 (/ x y))) (cbrt (* 0.5 (/ x y))))
  (cbrt (* 0.5 (/ x y)))
  (pow (* 0.5 (/ x y)) 3)
  (sqrt (* 0.5 (/ x y)))
  (sqrt (* 0.5 (/ x y)))
  (* (sqrt 0.5) (sqrt (/ x y)))
  (* (sqrt 0.5) (sqrt (/ x y)))
  (* (sqrt 0.5) (/ (sqrt x) (sqrt y)))
  (* (sqrt 0.5) (/ (sqrt x) (sqrt y)))
  (* 0.5 (* (cbrt (/ x y)) (cbrt (/ x y))))
  (* 0.5 (sqrt (/ x y)))
  (* 0.5 (/ (* (cbrt x) (cbrt x)) (* (cbrt y) (cbrt y))))
  (* 0.5 (/ (* (cbrt x) (cbrt x)) (sqrt y)))
  (* (* (cbrt x) (cbrt x)) 0.5)
  (* 0.5 (/ (sqrt x) (* (cbrt y) (cbrt y))))
  (* 0.5 (/ (sqrt x) (sqrt y)))
  (* (sqrt x) 0.5)
  (/ 0.5 (* (cbrt y) (cbrt y)))
  (/ 0.5 (sqrt y))
  0.5
  0.5
  (* 0.5 x)
  (* (cbrt 0.5) (/ x y))
  (* (sqrt 0.5) (/ x y))
  (* 0.5 (/ x y))
  (* 0.5 x)
  (* 0.5 (/ x y))
  (* 0.5 (/ x y))
  (* 0.5 (/ x y))
0.246 * * * [progress]: adding candidates to table
0.302 * [progress]: [Phase 3 of 3] Extracting.
0.302 * * [regime]: Finding splitpoints for: (#<alt (λ (x y) (* 0.5 (/ x y)))> #<alt (λ (x y) (/ x (* y 2.0)))>)
0.302 * * * [regime-changes]: Trying 4 branch expressions: ((* y 2.0) (/ x (* y 2.0)) y x)
0.302 * * * * [regimes]: Trying to branch on (* y 2.0) from (#<alt (λ (x y) (* 0.5 (/ x y)))> #<alt (λ (x y) (/ x (* y 2.0)))>)
0.312 * * * * [regimes]: Trying to branch on (/ x (* y 2.0)) from (#<alt (λ (x y) (* 0.5 (/ x y)))> #<alt (λ (x y) (/ x (* y 2.0)))>)
0.322 * * * * [regimes]: Trying to branch on y from (#<alt (λ (x y) (* 0.5 (/ x y)))> #<alt (λ (x y) (/ x (* y 2.0)))>)
0.332 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x y) (* 0.5 (/ x y)))> #<alt (λ (x y) (/ x (* y 2.0)))>)
0.343 * * * [regime]: Found split indices: #<option (#s(si 0 255))>
0.343 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (* 0.5 (/ x y))
0.344 * * [simplify]: iteration  0 :  6  enodes  (cost  2 )
0.344 * * [simplify]: iteration  1 :  6  enodes  (cost  2 )
0.344 * [simplify]: Simplified to:
   (* 0.5 (/ x y))
0.699 * [regime-testing]: Baseline error score: 0.028378547318414802
0.700 * [regime-testing]: Oracle error score: 0
0.704 * [regime-testing]: End program error score: 0.028378547318414802