7.397 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.011 * * * [progress]: [2/2] Setting up program.
0.013 * [progress]: [Phase 2 of 3] Improving.
0.013 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (- (* (* x x) 2.0) 1.0)
0.014 * * [simplify]: iteration  0 :  6  enodes  (cost  7 )
0.015 * * [simplify]: iteration  1 :  11  enodes  (cost  7 )
0.016 * * [simplify]: iteration  2 :  14  enodes  (cost  7 )
0.017 * * [simplify]: iteration  done :  14  enodes  (cost  7 )
0.017 * [simplify]: Simplified to:
   (- (* (* x x) 2.0) 1.0)
0.018 * * [progress]: iteration 1 / 4
0.018 * * * [progress]: picking best candidate
0.019 * * * * [pick]: Picked  #<alt (λ (x) (- (* (* x x) 2.0) 1.0))>
0.019 * * * [progress]: localizing error
0.026 * * * [progress]: generating rewritten candidates
0.026 * * * * [progress]: [ 1 / 1 ] rewriting at (2 1)
0.034 * * * [progress]: generating series expansions
0.034 * * * * [progress]: [ 1 / 1 ] generating series at (2 1)
0.034 * [approximate]: Taking taylor expansion of (* 2.0 (pow x 2)) in (x) around 0
0.034 * [taylor]: Taking taylor expansion of (* 2.0 (pow x 2)) in x
0.034 * [taylor]: Taking taylor expansion of 2.0 in x
0.034 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.034 * [taylor]: Taking taylor expansion of x in x
0.034 * [taylor]: Taking taylor expansion of (* 2.0 (pow x 2)) in x
0.034 * [taylor]: Taking taylor expansion of 2.0 in x
0.034 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.034 * [taylor]: Taking taylor expansion of x in x
0.043 * [approximate]: Taking taylor expansion of (/ 2.0 (pow x 2)) in (x) around 0
0.043 * [taylor]: Taking taylor expansion of (/ 2.0 (pow x 2)) in x
0.043 * [taylor]: Taking taylor expansion of 2.0 in x
0.043 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.043 * [taylor]: Taking taylor expansion of x in x
0.043 * [taylor]: Taking taylor expansion of (/ 2.0 (pow x 2)) in x
0.043 * [taylor]: Taking taylor expansion of 2.0 in x
0.043 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.043 * [taylor]: Taking taylor expansion of x in x
0.051 * [approximate]: Taking taylor expansion of (/ 2.0 (pow x 2)) in (x) around 0
0.051 * [taylor]: Taking taylor expansion of (/ 2.0 (pow x 2)) in x
0.051 * [taylor]: Taking taylor expansion of 2.0 in x
0.051 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.051 * [taylor]: Taking taylor expansion of x in x
0.052 * [taylor]: Taking taylor expansion of (/ 2.0 (pow x 2)) in x
0.052 * [taylor]: Taking taylor expansion of 2.0 in x
0.052 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.052 * [taylor]: Taking taylor expansion of x in x
0.059 * * * [progress]: simplifying candidates
0.059 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (* (* x x) 2.0)
  (* (* x x) 2.0)
  (+ (+ (log x) (log x)) (log 2.0))
  (+ (log (* x x)) (log 2.0))
  (log (* (* x x) 2.0))
  (exp (* (* x x) 2.0))
  (* (* (* (* x x) x) (* (* x x) x)) (* (* 2.0 2.0) 2.0))
  (* (* (* (* x x) (* x x)) (* x x)) (* (* 2.0 2.0) 2.0))
  (* (cbrt (* (* x x) 2.0)) (cbrt (* (* x x) 2.0)))
  (cbrt (* (* x x) 2.0))
  (* (* (* (* x x) 2.0) (* (* x x) 2.0)) (* (* x x) 2.0))
  (sqrt (* (* x x) 2.0))
  (sqrt (* (* x x) 2.0))
  (* x (sqrt 2.0))
  (* x (sqrt 2.0))
  (* (* x x) (* (cbrt 2.0) (cbrt 2.0)))
  (* (* x x) (sqrt 2.0))
  (* (* x x) 1)
  (* x 2.0)
  (* 2.0 (pow x 2))
  (* 2.0 (pow x 2))
  (* 2.0 (pow x 2))
0.061 * * [simplify]: iteration  0 :  37  enodes  (cost  165 )
0.068 * * [simplify]: iteration  1 :  92  enodes  (cost  160 )
0.098 * * [simplify]: iteration  2 :  363  enodes  (cost  130 )
0.375 * * [simplify]: iteration  3 :  1698  enodes  (cost  130 )
1.397 * * [simplify]: iteration  done :  5000  enodes  (cost  130 )
1.398 * [simplify]: Simplified to:
   (* (* x x) 2.0)
  (* (* x x) 2.0)
  (log (* (* x x) 2.0))
  (log (* (* x x) 2.0))
  (log (* (* x x) 2.0))
  (exp (* (* x x) 2.0))
  (pow (* (* x x) 2.0) 3)
  (pow (* (* x x) 2.0) 3)
  (* (cbrt (* (* x x) 2.0)) (cbrt (* (* x x) 2.0)))
  (cbrt (* (* x x) 2.0))
  (pow (* (* x x) 2.0) 3)
  (sqrt (* (* x x) 2.0))
  (sqrt (* (* x x) 2.0))
  (* x (sqrt 2.0))
  (* x (sqrt 2.0))
  (* (* x x) (* (cbrt 2.0) (cbrt 2.0)))
  (* (* x x) (sqrt 2.0))
  (* x x)
  (* x 2.0)
  (* (* x x) 2.0)
  (* (* x x) 2.0)
  (* (* x x) 2.0)
1.398 * * * [progress]: adding candidates to table
1.426 * [progress]: [Phase 3 of 3] Extracting.
1.427 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (- (* (* x x) 2.0) 1.0)
1.427 * * [simplify]: iteration  0 :  6  enodes  (cost  7 )
1.427 * * [simplify]: iteration  1 :  7  enodes  (cost  7 )
1.428 * * [simplify]: iteration  done :  7  enodes  (cost  7 )
1.428 * [simplify]: Simplified to:
   (- (* (* x x) 2.0) 1.0)
1.755 * [regime-testing]: End program error score: 0.0008751093886735842