19.423 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.012 * * * [progress]: [2/2] Setting up program.
0.014 * [progress]: [Phase 2 of 3] Improving.
0.014 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (* x (- x 1.0))
0.016 * * [simplify]: iteration  0 :  7  enodes  (cost  2 )
0.018 * * [simplify]: iteration  1 :  13  enodes  (cost  2 )
0.019 * * [simplify]: iteration  2 :  21  enodes  (cost  2 )
0.020 * * [simplify]: iteration  3 :  28  enodes  (cost  2 )
0.021 * * [simplify]: iteration  4 :  30  enodes  (cost  2 )
0.023 * * [simplify]: iteration  5 :  30  enodes  (cost  2 )
0.023 * [simplify]: Simplified to:
   (* x (- x 1.0))
0.023 * * [progress]: iteration 1 / 4
0.023 * * * [progress]: picking best candidate
0.024 * * * * [pick]: Picked  #<alt (λ (x) (* x (- x 1.0)))>
0.024 * * * [progress]: localizing error
0.027 * * * [progress]: generating rewritten candidates
0.027 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.041 * * * [progress]: generating series expansions
0.041 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.042 * [approximate]: Taking taylor expansion of (* (- x 1.0) x) in (x) around 0
0.042 * [taylor]: Taking taylor expansion of (* (- x 1.0) x) in x
0.042 * [taylor]: Taking taylor expansion of (- x 1.0) in x
0.042 * [taylor]: Taking taylor expansion of x in x
0.042 * [taylor]: Taking taylor expansion of 1.0 in x
0.042 * [taylor]: Taking taylor expansion of x in x
0.042 * [taylor]: Taking taylor expansion of (* (- x 1.0) x) in x
0.042 * [taylor]: Taking taylor expansion of (- x 1.0) in x
0.042 * [taylor]: Taking taylor expansion of x in x
0.042 * [taylor]: Taking taylor expansion of 1.0 in x
0.042 * [taylor]: Taking taylor expansion of x in x
0.056 * [approximate]: Taking taylor expansion of (/ (- (/ 1 x) 1.0) x) in (x) around 0
0.056 * [taylor]: Taking taylor expansion of (/ (- (/ 1 x) 1.0) x) in x
0.056 * [taylor]: Taking taylor expansion of (- (/ 1 x) 1.0) in x
0.056 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.056 * [taylor]: Taking taylor expansion of x in x
0.056 * [taylor]: Taking taylor expansion of 1.0 in x
0.056 * [taylor]: Taking taylor expansion of x in x
0.057 * [taylor]: Taking taylor expansion of (/ (- (/ 1 x) 1.0) x) in x
0.057 * [taylor]: Taking taylor expansion of (- (/ 1 x) 1.0) in x
0.057 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.057 * [taylor]: Taking taylor expansion of x in x
0.057 * [taylor]: Taking taylor expansion of 1.0 in x
0.057 * [taylor]: Taking taylor expansion of x in x
0.071 * [approximate]: Taking taylor expansion of (/ (+ 1.0 (/ 1 x)) x) in (x) around 0
0.071 * [taylor]: Taking taylor expansion of (/ (+ 1.0 (/ 1 x)) x) in x
0.071 * [taylor]: Taking taylor expansion of (+ 1.0 (/ 1 x)) in x
0.071 * [taylor]: Taking taylor expansion of 1.0 in x
0.071 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.071 * [taylor]: Taking taylor expansion of x in x
0.071 * [taylor]: Taking taylor expansion of x in x
0.072 * [taylor]: Taking taylor expansion of (/ (+ 1.0 (/ 1 x)) x) in x
0.072 * [taylor]: Taking taylor expansion of (+ 1.0 (/ 1 x)) in x
0.072 * [taylor]: Taking taylor expansion of 1.0 in x
0.072 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.072 * [taylor]: Taking taylor expansion of x in x
0.072 * [taylor]: Taking taylor expansion of x in x
0.083 * * * [progress]: simplifying candidates
0.084 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (expm1 (* x (- x 1.0)))
  (log1p (* x (- x 1.0)))
  (* 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 (fma (* (cbrt x) (cbrt x)) (cbrt x) (- (* (cbrt 1.0) (* (cbrt 1.0) (cbrt 1.0))))))
  (* x (fma (- (cbrt 1.0)) (* (cbrt 1.0) (cbrt 1.0)) (* (cbrt 1.0) (* (cbrt 1.0) (cbrt 1.0)))))
  (* x (fma (* (cbrt x) (cbrt x)) (cbrt x) (- (* (sqrt 1.0) (sqrt 1.0)))))
  (* x (fma (- (sqrt 1.0)) (sqrt 1.0) (* (sqrt 1.0) (sqrt 1.0))))
  (* x (fma (* (cbrt x) (cbrt x)) (cbrt x) (- (* 1.0 1))))
  (* x (fma (- 1.0) 1 (* 1.0 1)))
  (* x (fma (sqrt x) (sqrt x) (- (* (cbrt 1.0) (* (cbrt 1.0) (cbrt 1.0))))))
  (* x (fma (- (cbrt 1.0)) (* (cbrt 1.0) (cbrt 1.0)) (* (cbrt 1.0) (* (cbrt 1.0) (cbrt 1.0)))))
  (* x (fma (sqrt x) (sqrt x) (- (* (sqrt 1.0) (sqrt 1.0)))))
  (* x (fma (- (sqrt 1.0)) (sqrt 1.0) (* (sqrt 1.0) (sqrt 1.0))))
  (* x (fma (sqrt x) (sqrt x) (- (* 1.0 1))))
  (* x (fma (- 1.0) 1 (* 1.0 1)))
  (* x (fma 1 x (- (* (cbrt 1.0) (* (cbrt 1.0) (cbrt 1.0))))))
  (* x (fma (- (cbrt 1.0)) (* (cbrt 1.0) (cbrt 1.0)) (* (cbrt 1.0) (* (cbrt 1.0) (cbrt 1.0)))))
  (* x (fma 1 x (- (* (sqrt 1.0) (sqrt 1.0)))))
  (* x (fma (- (sqrt 1.0)) (sqrt 1.0) (* (sqrt 1.0) (sqrt 1.0))))
  (* x (fma 1 x (- (* 1.0 1))))
  (* x (fma (- 1.0) 1 (* 1.0 1)))
  (* x x)
  (* x (- 1.0))
  (* x x)
  (* x (- 1.0))
  (* (fma (* (cbrt x) (cbrt x)) (cbrt x) (- (* (cbrt 1.0) (* (cbrt 1.0) (cbrt 1.0))))) x)
  (* (fma (- (cbrt 1.0)) (* (cbrt 1.0) (cbrt 1.0)) (* (cbrt 1.0) (* (cbrt 1.0) (cbrt 1.0)))) x)
  (* (fma (* (cbrt x) (cbrt x)) (cbrt x) (- (* (sqrt 1.0) (sqrt 1.0)))) x)
  (* (fma (- (sqrt 1.0)) (sqrt 1.0) (* (sqrt 1.0) (sqrt 1.0))) x)
  (* (fma (* (cbrt x) (cbrt x)) (cbrt x) (- (* 1.0 1))) x)
  (* (fma (- 1.0) 1 (* 1.0 1)) x)
  (* (fma (sqrt x) (sqrt x) (- (* (cbrt 1.0) (* (cbrt 1.0) (cbrt 1.0))))) x)
  (* (fma (- (cbrt 1.0)) (* (cbrt 1.0) (cbrt 1.0)) (* (cbrt 1.0) (* (cbrt 1.0) (cbrt 1.0)))) x)
  (* (fma (sqrt x) (sqrt x) (- (* (sqrt 1.0) (sqrt 1.0)))) x)
  (* (fma (- (sqrt 1.0)) (sqrt 1.0) (* (sqrt 1.0) (sqrt 1.0))) x)
  (* (fma (sqrt x) (sqrt x) (- (* 1.0 1))) x)
  (* (fma (- 1.0) 1 (* 1.0 1)) x)
  (* (fma 1 x (- (* (cbrt 1.0) (* (cbrt 1.0) (cbrt 1.0))))) x)
  (* (fma (- (cbrt 1.0)) (* (cbrt 1.0) (cbrt 1.0)) (* (cbrt 1.0) (* (cbrt 1.0) (cbrt 1.0)))) x)
  (* (fma 1 x (- (* (sqrt 1.0) (sqrt 1.0)))) x)
  (* (fma (- (sqrt 1.0)) (sqrt 1.0) (* (sqrt 1.0) (sqrt 1.0))) x)
  (* (fma 1 x (- (* 1.0 1))) x)
  (* (fma (- 1.0) 1 (* 1.0 1)) x)
  (* x x)
  (* (- 1.0) x)
  (* x x)
  (* (- 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))
0.088 * * [simplify]: iteration  0 :  186  enodes  (cost  350 )
0.092 * * [simplify]: iteration  1 :  762  enodes  (cost  220 )
0.111 * * [simplify]: iteration  2 :  4224  enodes  (cost  190 )
0.198 * * [simplify]: iteration  3 :  5001  enodes  (cost  190 )
0.200 * [simplify]: Simplified to:
   (expm1 (* x (- x 1.0)))
  (log1p (* x (- x 1.0)))
  (* x (- x 1.0))
  (log (* x (- x 1.0)))
  (log (* x (- x 1.0)))
  (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 (* 1 (pow (cbrt x) 3))) (* 1.0 x))
  (* x (- 1.0 1.0))
  (- (* x (* 1 (pow (cbrt x) 3))) (* 1.0 x))
  (* x (- 1.0 1.0))
  (- (* x (* 1 (pow (cbrt x) 3))) (* 1.0 x))
  (* x (- 1.0 1.0))
  (* x (- x 1.0))
  (* x (- 1.0 1.0))
  (* x (- x 1.0))
  (* x (- 1.0 1.0))
  (* x (- x 1.0))
  (* x (- 1.0 1.0))
  (* x (- x 1.0))
  (* x (- 1.0 1.0))
  (* x (- x 1.0))
  (* x (- 1.0 1.0))
  (* x (- x 1.0))
  (* x (- 1.0 1.0))
  (pow x 2)
  (* x (- 1.0))
  (pow x 2)
  (* x (- 1.0))
  (- (* x (* 1 (pow (cbrt x) 3))) (* 1.0 x))
  (* x (- 1.0 1.0))
  (- (* x (* 1 (pow (cbrt x) 3))) (* 1.0 x))
  (* x (- 1.0 1.0))
  (- (* x (* 1 (pow (cbrt x) 3))) (* 1.0 x))
  (* x (- 1.0 1.0))
  (* x (- x 1.0))
  (* x (- 1.0 1.0))
  (* x (- x 1.0))
  (* x (- 1.0 1.0))
  (* x (- x 1.0))
  (* x (- 1.0 1.0))
  (* x (- x 1.0))
  (* x (- 1.0 1.0))
  (* x (- x 1.0))
  (* x (- 1.0 1.0))
  (* x (- x 1.0))
  (* x (- 1.0 1.0))
  (pow x 2)
  (* x (- 1.0))
  (pow x 2)
  (* x (- 1.0))
  (* x (* (cbrt (- x 1.0)) (cbrt (- x 1.0))))
  (* x (sqrt (- x 1.0)))
  x
  (* x (+ (sqrt x) (sqrt 1.0)))
  x
  (* (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)))
  (* x (- x 1.0))
  (* x (- x 1.0))
  (* x (- x 1.0))
0.200 * * * [progress]: adding candidates to table
0.243 * * [progress]: iteration 2 / 4
0.243 * * * [progress]: picking best candidate
0.244 * * * * [pick]: Picked  #<alt (λ (x) (+ (pow x 2) (* x (- 1.0))))>
0.244 * * * [progress]: localizing error
0.250 * * * [progress]: generating rewritten candidates
0.250 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.261 * * * [progress]: generating series expansions
0.261 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.261 * [approximate]: Taking taylor expansion of (- (pow x 2) (* 1.0 x)) in (x) around 0
0.261 * [taylor]: Taking taylor expansion of (- (pow x 2) (* 1.0 x)) in x
0.261 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.261 * [taylor]: Taking taylor expansion of x in x
0.261 * [taylor]: Taking taylor expansion of (* 1.0 x) in x
0.262 * [taylor]: Taking taylor expansion of 1.0 in x
0.262 * [taylor]: Taking taylor expansion of x in x
0.262 * [taylor]: Taking taylor expansion of (- (pow x 2) (* 1.0 x)) in x
0.262 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.262 * [taylor]: Taking taylor expansion of x in x
0.262 * [taylor]: Taking taylor expansion of (* 1.0 x) in x
0.262 * [taylor]: Taking taylor expansion of 1.0 in x
0.262 * [taylor]: Taking taylor expansion of x in x
0.277 * [approximate]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 1.0 (/ 1 x))) in (x) around 0
0.278 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 1.0 (/ 1 x))) in x
0.278 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.278 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.278 * [taylor]: Taking taylor expansion of x in x
0.278 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 x)) in x
0.278 * [taylor]: Taking taylor expansion of 1.0 in x
0.278 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.278 * [taylor]: Taking taylor expansion of x in x
0.278 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 1.0 (/ 1 x))) in x
0.278 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.278 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.278 * [taylor]: Taking taylor expansion of x in x
0.279 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 x)) in x
0.279 * [taylor]: Taking taylor expansion of 1.0 in x
0.279 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.279 * [taylor]: Taking taylor expansion of x in x
0.298 * [approximate]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 1.0 (/ 1 x))) in (x) around 0
0.298 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 1.0 (/ 1 x))) in x
0.298 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.298 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.298 * [taylor]: Taking taylor expansion of x in x
0.299 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 x)) in x
0.299 * [taylor]: Taking taylor expansion of 1.0 in x
0.299 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.299 * [taylor]: Taking taylor expansion of x in x
0.300 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 1.0 (/ 1 x))) in x
0.300 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.300 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.300 * [taylor]: Taking taylor expansion of x in x
0.300 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 x)) in x
0.300 * [taylor]: Taking taylor expansion of 1.0 in x
0.300 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.300 * [taylor]: Taking taylor expansion of x in x
0.317 * * * [progress]: simplifying candidates
0.318 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (expm1 (+ (pow x 2) (* x (- 1.0))))
  (log1p (+ (pow x 2) (* x (- 1.0))))
  (* (exp (pow x 2)) (exp (* x (- 1.0))))
  (log (+ (pow x 2) (* x (- 1.0))))
  (exp (+ (pow x 2) (* x (- 1.0))))
  (* (cbrt (+ (pow x 2) (* x (- 1.0)))) (cbrt (+ (pow x 2) (* x (- 1.0)))))
  (cbrt (+ (pow x 2) (* x (- 1.0))))
  (* (* (+ (pow x 2) (* x (- 1.0))) (+ (pow x 2) (* x (- 1.0)))) (+ (pow x 2) (* x (- 1.0))))
  (sqrt (+ (pow x 2) (* x (- 1.0))))
  (sqrt (+ (pow x 2) (* x (- 1.0))))
  (+ (pow (pow x 2) 3) (pow (* x (- 1.0)) 3))
  (+ (* (pow x 2) (pow x 2)) (- (* (* x (- 1.0)) (* x (- 1.0))) (* (pow x 2) (* x (- 1.0)))))
  (- (* (pow x 2) (pow x 2)) (* (* x (- 1.0)) (* x (- 1.0))))
  (- (pow x 2) (* x (- 1.0)))
  (+ x (- 1.0))
  (- (pow x 2) (* 1.0 x))
  (- (pow x 2) (* 1.0 x))
  (- (pow x 2) (* 1.0 x))
0.321 * * [simplify]: iteration  0 :  100  enodes  (cost  102 )
0.324 * * [simplify]: iteration  1 :  423  enodes  (cost  82 )
0.334 * * [simplify]: iteration  2 :  2035  enodes  (cost  73 )
0.384 * * [simplify]: iteration  3 :  5001  enodes  (cost  72 )
0.385 * [simplify]: Simplified to:
   (expm1 (+ (pow x 2) (* x (- 1.0))))
  (log1p (+ (pow x 2) (* x (- 1.0))))
  (pow (exp x) (- x 1.0))
  (+ (log x) (log (- x 1.0)))
  (pow (exp x) (- x 1.0))
  (* (cbrt (+ (pow x 2) (* x (- 1.0)))) (cbrt (+ (pow x 2) (* x (- 1.0)))))
  (cbrt (+ (pow x 2) (* x (- 1.0))))
  (pow (* x (- x 1.0)) 3)
  (sqrt (+ (pow x 2) (* x (- 1.0))))
  (sqrt (+ (pow x 2) (* x (- 1.0))))
  (- (pow x 6) (pow (* 1.0 x) 3))
  (fma (* 1.0 x) (fma x x (* 1.0 x)) (pow x 4))
  (* (pow x 2) (- (pow x 2) (* 1.0 1.0)))
  (fma x x (* 1.0 x))
  (- x 1.0)
  (* x (- x 1.0))
  (* x (- x 1.0))
  (* x (- x 1.0))
0.385 * * * [progress]: adding candidates to table
0.435 * [progress]: [Phase 3 of 3] Extracting.
0.435 * * [regime]: Finding splitpoints for: (#<alt (λ (x) (+ (pow x 2) (* x (- 1.0))))> #<alt (λ (x) (* x (- x 1.0)))>)
0.435 * * * [regime-changes]: Trying 2 branch expressions: ((* x (- x 1.0)) x)
0.435 * * * * [regimes]: Trying to branch on (* x (- x 1.0)) from (#<alt (λ (x) (+ (pow x 2) (* x (- 1.0))))> #<alt (λ (x) (* x (- x 1.0)))>)
0.447 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x) (+ (pow x 2) (* x (- 1.0))))> #<alt (λ (x) (* x (- x 1.0)))>)
0.457 * * * [regime]: Found split indices: #<option (#s(si 1 255))>
0.457 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (* x (- x 1.0))
0.457 * * [simplify]: iteration  0 :  5  enodes  (cost  2 )
0.458 * * [simplify]: iteration  1 :  5  enodes  (cost  2 )
0.458 * [simplify]: Simplified to:
   (* x (- x 1.0))
0.762 * [regime-testing]: Baseline error score: 0.011251406425803226
0.763 * [regime-testing]: Oracle error score: 0.0007500937617202151
0.764 * [regime-testing]: End program error score: 0.011251406425803226
0.778 * [regime-testing]: Target error score: 0.009199270221367815