21.945 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.015 * * * [progress]: [2/2] Setting up program.
0.017 * [progress]: [Phase 2 of 3] Improving.
0.017 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (* x (- x 1.0))
0.023 * * [simplify]: iteration  0 :  149  enodes  (cost  5 )
0.023 * * [simplify]: iteration  1 :  149  enodes  (cost  5 )
0.023 * [simplify]: Simplified to:
   (* x (- x 1.0))
0.023 * * [progress]: iteration 1 / 4
0.023 * * * [progress]: picking best candidate
0.025 * * * * [pick]: Picked  #<alt (λ (x) (* x (- x 1.0)))>
0.025 * * * [progress]: localizing error
0.028 * * * [progress]: generating rewritten candidates
0.028 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.035 * * * [progress]: generating series expansions
0.035 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.035 * [approximate]: Taking taylor expansion of (* (- x 1.0) x) in (x) around 0
0.035 * [taylor]: Taking taylor expansion of (* (- x 1.0) x) in x
0.035 * [taylor]: Taking taylor expansion of (- x 1.0) in x
0.035 * [taylor]: Taking taylor expansion of x in x
0.035 * [taylor]: Taking taylor expansion of 1.0 in x
0.035 * [taylor]: Taking taylor expansion of x in x
0.035 * [taylor]: Taking taylor expansion of (* (- x 1.0) x) in x
0.035 * [taylor]: Taking taylor expansion of (- x 1.0) in x
0.035 * [taylor]: Taking taylor expansion of x in x
0.035 * [taylor]: Taking taylor expansion of 1.0 in x
0.035 * [taylor]: Taking taylor expansion of x in x
0.036 * [approximate]: Taking taylor expansion of (/ (- (/ 1 x) 1.0) x) in (x) around 0
0.036 * [taylor]: Taking taylor expansion of (/ (- (/ 1 x) 1.0) x) in x
0.036 * [taylor]: Taking taylor expansion of (- (/ 1 x) 1.0) in x
0.036 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.036 * [taylor]: Taking taylor expansion of x in x
0.036 * [taylor]: Taking taylor expansion of 1.0 in x
0.036 * [taylor]: Taking taylor expansion of x in x
0.036 * [taylor]: Taking taylor expansion of (/ (- (/ 1 x) 1.0) x) in x
0.036 * [taylor]: Taking taylor expansion of (- (/ 1 x) 1.0) in x
0.036 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.036 * [taylor]: Taking taylor expansion of x in x
0.036 * [taylor]: Taking taylor expansion of 1.0 in x
0.036 * [taylor]: Taking taylor expansion of x in x
0.038 * [approximate]: Taking taylor expansion of (/ (+ 1.0 (/ 1 x)) x) in (x) around 0
0.038 * [taylor]: Taking taylor expansion of (/ (+ 1.0 (/ 1 x)) x) in x
0.038 * [taylor]: Taking taylor expansion of (+ 1.0 (/ 1 x)) in x
0.038 * [taylor]: Taking taylor expansion of 1.0 in x
0.038 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.038 * [taylor]: Taking taylor expansion of x in x
0.038 * [taylor]: Taking taylor expansion of x in x
0.038 * [taylor]: Taking taylor expansion of (/ (+ 1.0 (/ 1 x)) x) in x
0.038 * [taylor]: Taking taylor expansion of (+ 1.0 (/ 1 x)) in x
0.038 * [taylor]: Taking taylor expansion of 1.0 in x
0.038 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.038 * [taylor]: Taking taylor expansion of x in x
0.038 * [taylor]: Taking taylor expansion of x in x
0.039 * * * [progress]: simplifying candidates
0.039 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (* x (- x 1.0))
  (+ (log x) (log (- x 1.0)))
  (log (* x (- x 1.0)))
  (exp (* x (- x 1.0)))
  (* (* (* x x) x) (* (* (- x 1.0) (- x 1.0)) (- x 1.0)))
  (* (cbrt (* x (- x 1.0))) (cbrt (* x (- x 1.0))))
  (cbrt (* x (- x 1.0)))
  (* (* (* x (- x 1.0)) (* x (- x 1.0))) (* x (- x 1.0)))
  (sqrt (* x (- x 1.0)))
  (sqrt (* x (- x 1.0)))
  (* (sqrt x) (sqrt (- x 1.0)))
  (* (sqrt x) (sqrt (- x 1.0)))
  (* x x)
  (* x (neg 1.0))
  (* x x)
  (* (neg 1.0) x)
  (* x (* (cbrt (- x 1.0)) (cbrt (- x 1.0))))
  (* x (sqrt (- x 1.0)))
  (* x 1)
  (* x (+ (sqrt x) (sqrt 1.0)))
  (* x 1)
  (* (cbrt x) (- x 1.0))
  (* (sqrt x) (- x 1.0))
  (* x (- x 1.0))
  (* x (- (pow x 3) (pow 1.0 3)))
  (* x (- (* x x) (* 1.0 1.0)))
  (- (pow x 2) (* 1.0 x))
  (- (pow x 2) (* 1.0 x))
  (- (pow x 2) (* 1.0 x))
0.077 * * [simplify]: iteration  0 :  5081  enodes  (cost  172 )
0.079 * [simplify]: Simplified to:
   (* x (- x 1.0))
  (log (* x (- x 1.0)))
  (log (* x (- x 1.0)))
  (pow (exp x) (- x 1.0))
  (pow (* x (- x 1.0)) 3)
  (* (cbrt (* x (- x 1.0))) (cbrt (* x (- x 1.0))))
  (cbrt (* x (- x 1.0)))
  (pow (* x (- x 1.0)) 3)
  (sqrt (* x (- x 1.0)))
  (sqrt (* x (- x 1.0)))
  (* (sqrt x) (sqrt (- x 1.0)))
  (* (sqrt x) (sqrt (- x 1.0)))
  (* x x)
  (* x (neg 1.0))
  (* x x)
  (* x (neg 1.0))
  (* x (* (cbrt (- x 1.0)) (cbrt (- x 1.0))))
  (* x (sqrt (- x 1.0)))
  x
  (* x (+ (sqrt x) (sqrt 1.0)))
  x
  (* (- x 1.0) (cbrt x))
  (* (- x 1.0) (sqrt x))
  (* x (- x 1.0))
  (- (pow x 4) (* x (pow 1.0 3)))
  (- (pow x 3) (* x (* 1.0 1.0)))
  (* x (- x 1.0))
  (* x (- x 1.0))
  (* x (- x 1.0))
0.079 * * * [progress]: adding candidates to table
0.103 * * [progress]: iteration 2 / 4
0.103 * * * [progress]: picking best candidate
0.104 * * * * [pick]: Picked  #<alt (λ (x) (+ (* x x) (* x (neg 1.0))))>
0.104 * * * [progress]: localizing error
0.109 * * * [progress]: generating rewritten candidates
0.109 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.113 * * * [progress]: generating series expansions
0.113 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.113 * [approximate]: Taking taylor expansion of (- (pow x 2) (* 1.0 x)) in (x) around 0
0.113 * [taylor]: Taking taylor expansion of (- (pow x 2) (* 1.0 x)) in x
0.113 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.113 * [taylor]: Taking taylor expansion of x in x
0.113 * [taylor]: Taking taylor expansion of (* 1.0 x) in x
0.113 * [taylor]: Taking taylor expansion of 1.0 in x
0.113 * [taylor]: Taking taylor expansion of x in x
0.113 * [taylor]: Taking taylor expansion of (- (pow x 2) (* 1.0 x)) in x
0.113 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.113 * [taylor]: Taking taylor expansion of x in x
0.113 * [taylor]: Taking taylor expansion of (* 1.0 x) in x
0.113 * [taylor]: Taking taylor expansion of 1.0 in x
0.113 * [taylor]: Taking taylor expansion of x in x
0.114 * [approximate]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 1.0 (/ 1 x))) in (x) around 0
0.115 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 1.0 (/ 1 x))) in x
0.115 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.115 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.115 * [taylor]: Taking taylor expansion of x in x
0.115 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 x)) in x
0.115 * [taylor]: Taking taylor expansion of 1.0 in x
0.115 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.115 * [taylor]: Taking taylor expansion of x in x
0.115 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 1.0 (/ 1 x))) in x
0.115 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.115 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.115 * [taylor]: Taking taylor expansion of x in x
0.115 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 x)) in x
0.115 * [taylor]: Taking taylor expansion of 1.0 in x
0.115 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.115 * [taylor]: Taking taylor expansion of x in x
0.118 * [approximate]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 1.0 (/ 1 x))) in (x) around 0
0.118 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 1.0 (/ 1 x))) in x
0.118 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.118 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.118 * [taylor]: Taking taylor expansion of x in x
0.118 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 x)) in x
0.118 * [taylor]: Taking taylor expansion of 1.0 in x
0.118 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.119 * [taylor]: Taking taylor expansion of x in x
0.119 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 1.0 (/ 1 x))) in x
0.119 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.119 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.119 * [taylor]: Taking taylor expansion of x in x
0.119 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 x)) in x
0.119 * [taylor]: Taking taylor expansion of 1.0 in x
0.119 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.119 * [taylor]: Taking taylor expansion of x in x
0.120 * * * [progress]: simplifying candidates
0.121 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (* (exp (* x x)) (exp (* x (neg 1.0))))
  (log (+ (* x x) (* x (neg 1.0))))
  (exp (+ (* x x) (* x (neg 1.0))))
  (* (cbrt (+ (* x x) (* x (neg 1.0)))) (cbrt (+ (* x x) (* x (neg 1.0)))))
  (cbrt (+ (* x x) (* x (neg 1.0))))
  (* (* (+ (* x x) (* x (neg 1.0))) (+ (* x x) (* x (neg 1.0)))) (+ (* x x) (* x (neg 1.0))))
  (sqrt (+ (* x x) (* x (neg 1.0))))
  (sqrt (+ (* x x) (* x (neg 1.0))))
  (+ (pow (* x x) 3) (pow (* x (neg 1.0)) 3))
  (+ (* (* x x) (* x x)) (- (* (* x (neg 1.0)) (* x (neg 1.0))) (* (* x x) (* x (neg 1.0)))))
  (- (* (* x x) (* x x)) (* (* x (neg 1.0)) (* x (neg 1.0))))
  (- (* x x) (* x (neg 1.0)))
  (+ x (neg 1.0))
  (- (pow x 2) (* 1.0 x))
  (- (pow x 2) (* 1.0 x))
  (- (pow x 2) (* 1.0 x))
0.160 * * [simplify]: iteration  0 :  5008  enodes  (cost  112 )
0.161 * [simplify]: Simplified to:
   (pow (exp x) (- x 1.0))
  (log (* x (- x 1.0)))
  (pow (exp x) (- x 1.0))
  (* (cbrt (* x (- x 1.0))) (cbrt (* x (- x 1.0))))
  (cbrt (* x (- x 1.0)))
  (pow (* x (- x 1.0)) 3)
  (sqrt (* x (- x 1.0)))
  (sqrt (* x (- x 1.0)))
  (- (pow x 6) (pow (* x 1.0) 3))
  (+ (pow x 4) (* x (* x (* 1.0 (+ x 1.0)))))
  (- (pow x 4) (* x (* x (* 1.0 1.0))))
  (* x (+ x 1.0))
  (- x 1.0)
  (* x (- x 1.0))
  (* x (- x 1.0))
  (* x (- x 1.0))
0.161 * * * [progress]: adding candidates to table
0.177 * [progress]: [Phase 3 of 3] Extracting.
0.177 * * [regime]: Finding splitpoints for: (#<alt (λ (x) (+ (* x x) (* x (neg 1.0))))> #<alt (λ (x) (* x (- x 1.0)))>)
0.178 * * * [regime-changes]: Trying 2 branch expressions: ((* x (- x 1.0)) x)
0.178 * * * * [regimes]: Trying to branch on (* x (- x 1.0)) from (#<alt (λ (x) (+ (* x x) (* x (neg 1.0))))> #<alt (λ (x) (* x (- x 1.0)))>)
0.200 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x) (+ (* x x) (* x (neg 1.0))))> #<alt (λ (x) (* x (- x 1.0)))>)
0.224 * * * [regime]: Found split indices: #<option (#s(si 1 255))>
0.224 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (* x (- x 1.0))
0.225 * * [simplify]: iteration  0 :  15  enodes  (cost  5 )
0.225 * * [simplify]: iteration  1 :  15  enodes  (cost  5 )
0.225 * [simplify]: Simplified to:
   (* x (- x 1.0))
0.627 * [regime-testing]: End program error score: 0.012376547068383549
0.675 * [regime-testing]: Target error score: 0.009074254594414447