17.350 * [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.
0.013 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (/ (- x y) x)
0.013 * * [simplify]: iteration  0 :  4  enodes  (cost  5 )
0.014 * * [simplify]: iteration  1 :  9  enodes  (cost  5 )
0.015 * * [simplify]: iteration  2 :  13  enodes  (cost  5 )
0.017 * * [simplify]: iteration  3 :  17  enodes  (cost  5 )
0.018 * * [simplify]: iteration  done :  17  enodes  (cost  5 )
0.019 * [simplify]: Simplified to:
   (/ (- x y) x)
0.019 * * [progress]: iteration 1 / 4
0.019 * * * [progress]: picking best candidate
0.020 * * * * [pick]: Picked  #<alt (λ (x y) (/ (- x y) x))>
0.020 * * * [progress]: localizing error
0.023 * * * [progress]: generating rewritten candidates
0.023 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.035 * * * [progress]: generating series expansions
0.035 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.036 * [approximate]: Taking taylor expansion of (/ (- x y) x) in (x y) around 0
0.036 * [taylor]: Taking taylor expansion of (/ (- x y) x) in y
0.036 * [taylor]: Taking taylor expansion of (- x y) in y
0.036 * [taylor]: Taking taylor expansion of x in y
0.036 * [taylor]: Taking taylor expansion of y in y
0.036 * [taylor]: Taking taylor expansion of x in y
0.036 * [taylor]: Taking taylor expansion of (/ (- x y) x) in x
0.036 * [taylor]: Taking taylor expansion of (- x y) in x
0.036 * [taylor]: Taking taylor expansion of x in x
0.036 * [taylor]: Taking taylor expansion of y in x
0.036 * [taylor]: Taking taylor expansion of x in x
0.036 * [taylor]: Taking taylor expansion of (/ (- x y) x) in x
0.036 * [taylor]: Taking taylor expansion of (- x y) in x
0.036 * [taylor]: Taking taylor expansion of x in x
0.036 * [taylor]: Taking taylor expansion of y in x
0.036 * [taylor]: Taking taylor expansion of x in x
0.037 * [taylor]: Taking taylor expansion of (* -1 y) in y
0.037 * [taylor]: Taking taylor expansion of -1 in y
0.037 * [taylor]: Taking taylor expansion of y in y
0.038 * [taylor]: Taking taylor expansion of 1 in y
0.040 * [taylor]: Taking taylor expansion of 0 in y
0.042 * [taylor]: Taking taylor expansion of 0 in y
0.042 * [approximate]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) x) in (x y) around 0
0.042 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) x) in y
0.042 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in y
0.042 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.042 * [taylor]: Taking taylor expansion of x in y
0.042 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.042 * [taylor]: Taking taylor expansion of y in y
0.042 * [taylor]: Taking taylor expansion of x in y
0.042 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) x) in x
0.042 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
0.042 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.043 * [taylor]: Taking taylor expansion of x in x
0.043 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.043 * [taylor]: Taking taylor expansion of y in x
0.043 * [taylor]: Taking taylor expansion of x in x
0.043 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) x) in x
0.043 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
0.043 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.043 * [taylor]: Taking taylor expansion of x in x
0.043 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.043 * [taylor]: Taking taylor expansion of y in x
0.043 * [taylor]: Taking taylor expansion of x in x
0.044 * [taylor]: Taking taylor expansion of 0 in y
0.045 * [taylor]: Taking taylor expansion of 1 in y
0.046 * [taylor]: Taking taylor expansion of (- (/ 1 y)) in y
0.046 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.046 * [taylor]: Taking taylor expansion of y in y
0.048 * [taylor]: Taking taylor expansion of 0 in y
0.051 * [taylor]: Taking taylor expansion of 0 in y
0.052 * [approximate]: Taking taylor expansion of (* -1 (* x (- (/ 1 y) (/ 1 x)))) in (x y) around 0
0.052 * [taylor]: Taking taylor expansion of (* -1 (* x (- (/ 1 y) (/ 1 x)))) in y
0.052 * [taylor]: Taking taylor expansion of -1 in y
0.052 * [taylor]: Taking taylor expansion of (* x (- (/ 1 y) (/ 1 x))) in y
0.052 * [taylor]: Taking taylor expansion of x in y
0.052 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in y
0.052 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.052 * [taylor]: Taking taylor expansion of y in y
0.052 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.052 * [taylor]: Taking taylor expansion of x in y
0.052 * [taylor]: Taking taylor expansion of (* -1 (* x (- (/ 1 y) (/ 1 x)))) in x
0.052 * [taylor]: Taking taylor expansion of -1 in x
0.052 * [taylor]: Taking taylor expansion of (* x (- (/ 1 y) (/ 1 x))) in x
0.052 * [taylor]: Taking taylor expansion of x in x
0.052 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
0.052 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.052 * [taylor]: Taking taylor expansion of y in x
0.052 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.052 * [taylor]: Taking taylor expansion of x in x
0.053 * [taylor]: Taking taylor expansion of (* -1 (* x (- (/ 1 y) (/ 1 x)))) in x
0.053 * [taylor]: Taking taylor expansion of -1 in x
0.053 * [taylor]: Taking taylor expansion of (* x (- (/ 1 y) (/ 1 x))) in x
0.053 * [taylor]: Taking taylor expansion of x in x
0.053 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
0.053 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.053 * [taylor]: Taking taylor expansion of y in x
0.053 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.053 * [taylor]: Taking taylor expansion of x in x
0.054 * [taylor]: Taking taylor expansion of 0 in y
0.056 * [taylor]: Taking taylor expansion of 1 in y
0.058 * [taylor]: Taking taylor expansion of (- (/ 1 y)) in y
0.058 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.058 * [taylor]: Taking taylor expansion of y in y
0.061 * [taylor]: Taking taylor expansion of 0 in y
0.065 * [taylor]: Taking taylor expansion of 0 in y
0.066 * * * [progress]: simplifying candidates
0.066 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (- (log (- x y)) (log x))
  (log (/ (- x y) x))
  (exp (/ (- x y) x))
  (/ (* (* (- x y) (- x y)) (- x y)) (* (* x x) x))
  (* (cbrt (/ (- x y) x)) (cbrt (/ (- x y) x)))
  (cbrt (/ (- x y) x))
  (* (* (/ (- x y) x) (/ (- x y) x)) (/ (- x y) x))
  (sqrt (/ (- x y) x))
  (sqrt (/ (- x y) x))
  (- (- x y))
  (- x)
  (/ x x)
  (/ y x)
  (/ (* (cbrt (- x y)) (cbrt (- x y))) (* (cbrt x) (cbrt x)))
  (/ (cbrt (- x y)) (cbrt x))
  (/ (* (cbrt (- x y)) (cbrt (- x y))) (sqrt x))
  (/ (cbrt (- x y)) (sqrt x))
  (/ (* (cbrt (- x y)) (cbrt (- x y))) 1)
  (/ (cbrt (- x y)) x)
  (/ (sqrt (- x y)) (* (cbrt x) (cbrt x)))
  (/ (sqrt (- x y)) (cbrt x))
  (/ (sqrt (- x y)) (sqrt x))
  (/ (sqrt (- x y)) (sqrt x))
  (/ (sqrt (- x y)) 1)
  (/ (sqrt (- x y)) x)
  (/ 1 (* (cbrt x) (cbrt x)))
  (/ (- x y) (cbrt x))
  (/ 1 (sqrt x))
  (/ (- x y) (sqrt x))
  (/ 1 1)
  (/ (- x y) x)
  (/ (+ (sqrt x) (sqrt y)) (* (cbrt x) (cbrt x)))
  (/ (- (sqrt x) (sqrt y)) (cbrt x))
  (/ (+ (sqrt x) (sqrt y)) (sqrt x))
  (/ (- (sqrt x) (sqrt y)) (sqrt x))
  (/ (+ (sqrt x) (sqrt y)) 1)
  (/ (- (sqrt x) (sqrt y)) x)
  (/ 1 (* (cbrt x) (cbrt x)))
  (/ (- x y) (cbrt x))
  (/ 1 (sqrt x))
  (/ (- x y) (sqrt x))
  (/ 1 1)
  (/ (- x y) x)
  (/ 1 x)
  (/ x (- x y))
  (/ (- x y) (* (cbrt x) (cbrt x)))
  (/ (- x y) (sqrt x))
  (/ (- x y) 1)
  (/ x (cbrt (- x y)))
  (/ x (sqrt (- x y)))
  (/ x (- x y))
  (/ x (- (sqrt x) (sqrt y)))
  (/ x (- x y))
  (* x (+ (* x x) (+ (* y y) (* x y))))
  (* x (+ x y))
  (- 1 (/ y x))
  (- 1 (/ y x))
  (- 1 (/ y x))
0.068 * * [simplify]: iteration  0 :  70  enodes  (cost  398 )
0.078 * * [simplify]: iteration  1 :  147  enodes  (cost  381 )
0.105 * * [simplify]: iteration  2 :  434  enodes  (cost  360 )
0.236 * * [simplify]: iteration  3 :  1737  enodes  (cost  360 )
0.997 * * [simplify]: iteration  done :  5000  enodes  (cost  359 )
0.997 * [simplify]: Simplified to:
   (log (/ (- x y) x))
  (log (/ (- x y) x))
  (exp (/ (- x y) x))
  (pow (/ (- x y) x) 3)
  (* (cbrt (/ (- x y) x)) (cbrt (/ (- x y) x)))
  (cbrt (/ (- x y) x))
  (pow (/ (- x y) x) 3)
  (sqrt (/ (- x y) x))
  (sqrt (/ (- x y) x))
  (- y x)
  (- x)
  1
  (/ y x)
  (/ (* (cbrt (- x y)) (cbrt (- x y))) (* (cbrt x) (cbrt x)))
  (/ (cbrt (- x y)) (cbrt x))
  (/ (* (cbrt (- x y)) (cbrt (- x y))) (sqrt x))
  (/ (cbrt (- x y)) (sqrt x))
  (* (cbrt (- x y)) (cbrt (- x y)))
  (/ (cbrt (- x y)) x)
  (/ (sqrt (- x y)) (* (cbrt x) (cbrt x)))
  (/ (sqrt (- x y)) (cbrt x))
  (/ (sqrt (- x y)) (sqrt x))
  (/ (sqrt (- x y)) (sqrt x))
  (sqrt (- x y))
  (/ (sqrt (- x y)) x)
  (/ 1 (* (cbrt x) (cbrt x)))
  (/ (- x y) (cbrt x))
  (/ 1 (sqrt x))
  (/ (- x y) (sqrt x))
  1
  (- 1 (/ y x))
  (/ (+ (sqrt x) (sqrt y)) (* (cbrt x) (cbrt x)))
  (/ (- (sqrt x) (sqrt y)) (cbrt x))
  (/ (+ (sqrt x) (sqrt y)) (sqrt x))
  (- 1 (/ (sqrt y) (sqrt x)))
  (+ (sqrt y) (sqrt x))
  (/ (- (sqrt x) (sqrt y)) x)
  (/ 1 (* (cbrt x) (cbrt x)))
  (/ (- x y) (cbrt x))
  (/ 1 (sqrt x))
  (/ (- x y) (sqrt x))
  1
  (- 1 (/ y x))
  (/ 1 x)
  (/ x (- x y))
  (/ (- x y) (* (cbrt x) (cbrt x)))
  (/ (- x y) (sqrt x))
  (- x y)
  (/ x (cbrt (- x y)))
  (/ x (sqrt (- x y)))
  (/ x (- x y))
  (/ x (- (sqrt x) (sqrt y)))
  (/ x (- x y))
  (* (+ (* x x) (* y (+ x y))) x)
  (* x (+ x y))
  (- 1 (/ y x))
  (- 1 (/ y x))
  (- 1 (/ y x))
0.998 * * * [progress]: adding candidates to table
1.068 * * [progress]: iteration 2 / 4
1.068 * * * [progress]: picking best candidate
1.069 * * * * [pick]: Picked  #<alt (λ (x y) (- 1 (/ y x)))>
1.069 * * * [progress]: localizing error
1.073 * * * [progress]: generating rewritten candidates
1.073 * * * [progress]: generating series expansions
1.073 * * * [progress]: simplifying candidates
1.073 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   
1.074 * * [simplify]: iteration  0 :  0  enodes  (cost  0 )
1.074 * * [simplify]: iteration  done :  0  enodes  (cost  0 )
1.074 * [simplify]: Simplified to:
   
1.074 * * * [progress]: adding candidates to table
1.074 * [progress]: [Phase 3 of 3] Extracting.
1.076 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (- 1 (/ y x))
1.076 * * [simplify]: iteration  0 :  5  enodes  (cost  5 )
1.076 * * [simplify]: iteration  1 :  7  enodes  (cost  5 )
1.076 * * [simplify]: iteration  done :  7  enodes  (cost  5 )
1.076 * [simplify]: Simplified to:
   (- 1 (/ y x))
1.411 * [regime-testing]: End program error score: 0.0011251406425803225
1.428 * [regime-testing]: Target error score: 0.0011251406425803225