14.878 * [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-regraph> :
   (* x (- x 1.0))
0.015 * * [simplify]: iteration  0 :  4  enodes  (cost  5 )
0.015 * * [simplify]: iteration  1 :  7  enodes  (cost  5 )
0.016 * * [simplify]: iteration  2 :  13  enodes  (cost  5 )
0.018 * * [simplify]: iteration  3 :  18  enodes  (cost  5 )
0.020 * * [simplify]: iteration  4 :  22  enodes  (cost  5 )
0.022 * * [simplify]: iteration  done :  22  enodes  (cost  5 )
0.022 * [simplify]: Simplified to:
   (* x (- x 1.0))
0.022 * * [progress]: iteration 1 / 4
0.022 * * * [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)
0.034 * * * [progress]: generating series expansions
0.034 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.034 * [approximate]: Taking taylor expansion of (* x (- x 1.0)) in (x) around 0
0.034 * [taylor]: Taking taylor expansion of (* x (- x 1.0)) in x
0.034 * [taylor]: Taking taylor expansion of x in x
0.034 * [taylor]: Taking taylor expansion of (- x 1.0) in x
0.034 * [taylor]: Taking taylor expansion of x in x
0.034 * [taylor]: Taking taylor expansion of 1.0 in x
0.034 * [taylor]: Taking taylor expansion of (* x (- x 1.0)) in x
0.034 * [taylor]: Taking taylor expansion of x in x
0.034 * [taylor]: Taking taylor expansion of (- x 1.0) in x
0.034 * [taylor]: Taking taylor expansion of x in x
0.034 * [taylor]: Taking taylor expansion of 1.0 in x
0.035 * [approximate]: Taking taylor expansion of (/ (- (/ 1 x) 1.0) x) in (x) around 0
0.035 * [taylor]: Taking taylor expansion of (/ (- (/ 1 x) 1.0) x) in x
0.035 * [taylor]: Taking taylor expansion of (- (/ 1 x) 1.0) in x
0.035 * [taylor]: Taking taylor expansion of (/ 1 x) 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 (/ (- (/ 1 x) 1.0) x) in x
0.035 * [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
0.037 * [approximate]: Taking taylor expansion of (/ (+ (/ 1 x) 1.0) x) in (x) around 0
0.037 * [taylor]: Taking taylor expansion of (/ (+ (/ 1 x) 1.0) x) in x
0.037 * [taylor]: Taking taylor expansion of (+ (/ 1 x) 1.0) in x
0.037 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.037 * [taylor]: Taking taylor expansion of x in x
0.037 * [taylor]: Taking taylor expansion of 1.0 in x
0.037 * [taylor]: Taking taylor expansion of x in x
0.037 * [taylor]: Taking taylor expansion of (/ (+ (/ 1 x) 1.0) x) in x
0.037 * [taylor]: Taking taylor expansion of (+ (/ 1 x) 1.0) in x
0.037 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.037 * [taylor]: Taking taylor expansion of x in x
0.037 * [taylor]: Taking taylor expansion of 1.0 in x
0.037 * [taylor]: Taking taylor expansion of x in x
0.039 * * * [progress]: simplifying candidates
0.039 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (* 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)
  (* x (neg 1.0))
  (* x x)
  (* (neg 1.0) x)
  (* 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))
0.040 * * [simplify]: iteration  0 :  49  enodes  (cost  217 )
0.051 * * [simplify]: iteration  1 :  109  enodes  (cost  210 )
0.073 * * [simplify]: iteration  2 :  269  enodes  (cost  186 )
0.166 * * [simplify]: iteration  3 :  778  enodes  (cost  186 )
1.232 * * [simplify]: iteration  4 :  2953  enodes  (cost  186 )
2.439 * * [simplify]: iteration  done :  5001  enodes  (cost  186 )
2.439 * [simplify]: Simplified to:
   (* (- x 1.0) x)
  (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)))
  (pow x 2)
  (* (neg 1.0) x)
  (pow x 2)
  (* (neg 1.0) x)
  (pow x 2)
  (* (neg 1.0) x)
  (pow x 2)
  (* (neg 1.0) x)
  (* 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 1.0) x)
  (* x (- (pow x 3) (pow 1.0 3)))
  (* x (- (* x x) (* 1.0 1.0)))
  (* (- x 1.0) x)
  (* (- x 1.0) x)
  (* (- x 1.0) x)
2.439 * * * [progress]: adding candidates to table
2.466 * * [progress]: iteration 2 / 4
2.466 * * * [progress]: picking best candidate
2.468 * * * * [pick]: Picked  #<alt (λ (x) (+ (pow x 2) (* (neg 1.0) x)))>
2.468 * * * [progress]: localizing error
2.474 * * * [progress]: generating rewritten candidates
2.474 * * * * [progress]: [ 1 / 2 ] rewriting at (2)
2.478 * * * * [progress]: [ 2 / 2 ] rewriting at (2 1)
2.481 * * * [progress]: generating series expansions
2.481 * * * * [progress]: [ 1 / 2 ] generating series at (2)
2.482 * [approximate]: Taking taylor expansion of (- (pow x 2) (* 1.0 x)) in (x) around 0
2.482 * [taylor]: Taking taylor expansion of (- (pow x 2) (* 1.0 x)) in x
2.482 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.482 * [taylor]: Taking taylor expansion of x in x
2.482 * [taylor]: Taking taylor expansion of (* 1.0 x) in x
2.482 * [taylor]: Taking taylor expansion of 1.0 in x
2.482 * [taylor]: Taking taylor expansion of x in x
2.482 * [taylor]: Taking taylor expansion of (- (pow x 2) (* 1.0 x)) in x
2.482 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.482 * [taylor]: Taking taylor expansion of x in x
2.482 * [taylor]: Taking taylor expansion of (* 1.0 x) in x
2.482 * [taylor]: Taking taylor expansion of 1.0 in x
2.482 * [taylor]: Taking taylor expansion of x in x
2.483 * [approximate]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 1.0 (/ 1 x))) in (x) around 0
2.483 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 1.0 (/ 1 x))) in x
2.483 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
2.483 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.483 * [taylor]: Taking taylor expansion of x in x
2.483 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 x)) in x
2.483 * [taylor]: Taking taylor expansion of 1.0 in x
2.483 * [taylor]: Taking taylor expansion of (/ 1 x) in x
2.483 * [taylor]: Taking taylor expansion of x in x
2.483 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (* 1.0 (/ 1 x))) in x
2.483 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
2.483 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.484 * [taylor]: Taking taylor expansion of x in x
2.484 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 x)) in x
2.484 * [taylor]: Taking taylor expansion of 1.0 in x
2.484 * [taylor]: Taking taylor expansion of (/ 1 x) in x
2.484 * [taylor]: Taking taylor expansion of x in x
2.485 * [approximate]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 1.0 (/ 1 x))) in (x) around 0
2.486 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 1.0 (/ 1 x))) in x
2.486 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
2.486 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.486 * [taylor]: Taking taylor expansion of x in x
2.486 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 x)) in x
2.486 * [taylor]: Taking taylor expansion of 1.0 in x
2.486 * [taylor]: Taking taylor expansion of (/ 1 x) in x
2.486 * [taylor]: Taking taylor expansion of x in x
2.486 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (* 1.0 (/ 1 x))) in x
2.486 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
2.486 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.486 * [taylor]: Taking taylor expansion of x in x
2.486 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 x)) in x
2.486 * [taylor]: Taking taylor expansion of 1.0 in x
2.486 * [taylor]: Taking taylor expansion of (/ 1 x) in x
2.486 * [taylor]: Taking taylor expansion of x in x
2.488 * * * * [progress]: [ 2 / 2 ] generating series at (2 1)
2.488 * [approximate]: Taking taylor expansion of (pow x 2) in (x) around 0
2.488 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.488 * [taylor]: Taking taylor expansion of x in x
2.488 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.488 * [taylor]: Taking taylor expansion of x in x
2.488 * [approximate]: Taking taylor expansion of (pow (/ 1 x) 2) in (x) around 0
2.488 * [taylor]: Taking taylor expansion of (pow (/ 1 x) 2) in x
2.488 * [taylor]: Taking taylor expansion of (/ 1 x) in x
2.488 * [taylor]: Taking taylor expansion of x in x
2.488 * [taylor]: Taking taylor expansion of (pow (/ 1 x) 2) in x
2.488 * [taylor]: Taking taylor expansion of (/ 1 x) in x
2.489 * [taylor]: Taking taylor expansion of x in x
2.489 * [approximate]: Taking taylor expansion of (pow (/ -1 x) 2) in (x) around 0
2.489 * [taylor]: Taking taylor expansion of (pow (/ -1 x) 2) in x
2.489 * [taylor]: Taking taylor expansion of (/ -1 x) in x
2.489 * [taylor]: Taking taylor expansion of -1 in x
2.489 * [taylor]: Taking taylor expansion of x in x
2.489 * [taylor]: Taking taylor expansion of (pow (/ -1 x) 2) in x
2.489 * [taylor]: Taking taylor expansion of (/ -1 x) in x
2.490 * [taylor]: Taking taylor expansion of -1 in x
2.490 * [taylor]: Taking taylor expansion of x in x
2.490 * * * [progress]: simplifying candidates
2.491 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (* (exp (pow x 2)) (exp (* (neg 1.0) x)))
  (log (+ (pow x 2) (* (neg 1.0) x)))
  (exp (+ (pow x 2) (* (neg 1.0) x)))
  (* (cbrt (+ (pow x 2) (* (neg 1.0) x))) (cbrt (+ (pow x 2) (* (neg 1.0) x))))
  (cbrt (+ (pow x 2) (* (neg 1.0) x)))
  (* (* (+ (pow x 2) (* (neg 1.0) x)) (+ (pow x 2) (* (neg 1.0) x))) (+ (pow x 2) (* (neg 1.0) x)))
  (sqrt (+ (pow x 2) (* (neg 1.0) x)))
  (sqrt (+ (pow x 2) (* (neg 1.0) x)))
  (+ (pow (pow x 2) 3) (pow (* (neg 1.0) x) 3))
  (+ (* (pow x 2) (pow x 2)) (- (* (* (neg 1.0) x) (* (neg 1.0) x)) (* (pow x 2) (* (neg 1.0) x))))
  (- (* (pow x 2) (pow x 2)) (* (* (neg 1.0) x) (* (neg 1.0) x)))
  (- (pow x 2) (* (neg 1.0) x))
  (+ x (neg 1.0))
  (* (log x) 2)
  (* (log x) 2)
  (* 1 2)
  (pow x (* (cbrt 2) (cbrt 2)))
  (pow x (sqrt 2))
  (pow x 1)
  (pow (* (cbrt x) (cbrt x)) 2)
  (pow (cbrt x) 2)
  (pow (sqrt x) 2)
  (pow (sqrt x) 2)
  (pow 1 2)
  (pow x 2)
  (log (pow x 2))
  (exp (pow x 2))
  (* (cbrt (pow x 2)) (cbrt (pow x 2)))
  (cbrt (pow x 2))
  (* (* (pow x 2) (pow x 2)) (pow x 2))
  (sqrt (pow x 2))
  (sqrt (pow x 2))
  (pow x (/ 2 2))
  (pow x (/ 2 2))
  (- (pow x 2) (* 1.0 x))
  (- (pow x 2) (* 1.0 x))
  (- (pow x 2) (* 1.0 x))
  (pow x 2)
  (pow x 2)
  (pow x 2)
2.492 * * [simplify]: iteration  0 :  55  enodes  (cost  297 )
2.506 * * [simplify]: iteration  1 :  145  enodes  (cost  250 )
2.545 * * [simplify]: iteration  2 :  387  enodes  (cost  221 )
2.729 * * [simplify]: iteration  3 :  1198  enodes  (cost  214 )
4.172 * * [simplify]: iteration  4 :  3772  enodes  (cost  186 )
5.588 * * [simplify]: iteration  done :  5001  enodes  (cost  186 )
5.588 * [simplify]: Simplified to:
   (exp (* x (- x 1.0)))
  (log (* x (- x 1.0)))
  (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 (* 1.0 x) 3))
  (+ (pow x 4) (* 1.0 (* x (* x (+ 1.0 x)))))
  (- (pow x 4) (* (* 1.0 x) (* 1.0 x)))
  (* x (+ 1.0 x))
  (- x 1.0)
  (log (pow x 2))
  (log (pow x 2))
  2
  (pow x (* (cbrt 2) (cbrt 2)))
  (pow x (sqrt 2))
  x
  (pow (cbrt x) 4)
  (pow (cbrt x) 2)
  x
  x
  1
  (pow x 2)
  (log (pow x 2))
  (exp (pow x 2))
  (* (cbrt (pow x 2)) (cbrt (pow x 2)))
  (cbrt (pow x 2))
  (pow x 6)
  (fabs x)
  (fabs x)
  x
  x
  (* (- x 1.0) x)
  (* (- x 1.0) x)
  (* (- x 1.0) x)
  (pow x 2)
  (pow x 2)
  (pow x 2)
5.588 * * * [progress]: adding candidates to table
5.624 * [progress]: [Phase 3 of 3] Extracting.
5.624 * * [regime]: Finding splitpoints for: (#<alt (λ (x) (+ (pow x 2) (* (neg 1.0) x)))> #<alt (λ (x) (* x (- x 1.0)))>)
5.625 * * * [regime-changes]: Trying 2 branch expressions: ((* x (- x 1.0)) x)
5.625 * * * * [regimes]: Trying to branch on (* x (- x 1.0)) from (#<alt (λ (x) (+ (pow x 2) (* (neg 1.0) x)))> #<alt (λ (x) (* x (- x 1.0)))>)
5.651 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x) (+ (pow x 2) (* (neg 1.0) x)))> #<alt (λ (x) (* x (- x 1.0)))>)
5.675 * * * [regime]: Found split indices: #<option (#s(si 0 255))>
5.675 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (+ (pow x 2) (* (neg 1.0) x))
5.675 * * [simplify]: iteration  0 :  7  enodes  (cost  8 )
5.675 * * [simplify]: iteration  1 :  11  enodes  (cost  8 )
5.676 * * [simplify]: iteration  2 :  14  enodes  (cost  8 )
5.676 * * [simplify]: iteration  3 :  15  enodes  (cost  8 )
5.677 * * [simplify]: iteration  done :  15  enodes  (cost  8 )
5.677 * [simplify]: Simplified to:
   (+ (pow x 2) (* (neg 1.0) x))
6.258 * [regime-testing]: End program error score: 0.012074629641295307
6.305 * [regime-testing]: Target error score: 0.01182459838738857