2.774 * [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.
0.012 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (- (* (* x x) 2.0) 1.0)
0.013 * * [simplify]: iteration  0 :  6  enodes  (cost  7 )
0.014 * * [simplify]: iteration  1 :  12  enodes  (cost  7 )
0.016 * * [simplify]: iteration  2 :  17  enodes  (cost  7 )
0.018 * * [simplify]: iteration  3 :  18  enodes  (cost  7 )
0.021 * * [simplify]: iteration  done :  18  enodes  (cost  7 )
0.021 * [simplify]: Simplified to:
   (- (* (* x x) 2.0) 1.0)
0.021 * * [progress]: iteration 1 / 4
0.021 * * * [progress]: picking best candidate
0.022 * * * * [pick]: Picked  #<alt (λ (x) (- (* (* x x) 2.0) 1.0))>
0.022 * * * [progress]: localizing error
0.027 * * * [progress]: generating rewritten candidates
0.027 * * * * [progress]: [ 1 / 2 ] rewriting at (2 1)
0.034 * * * * [progress]: [ 2 / 2 ] rewriting at (2)
0.043 * * * [progress]: generating series expansions
0.043 * * * * [progress]: [ 1 / 2 ] generating series at (2 1)
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
0.044 * [taylor]: Taking taylor expansion of (* 2.0 (pow x 2)) in x
0.044 * [taylor]: Taking taylor expansion of 2.0 in x
0.044 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.044 * [taylor]: Taking taylor expansion of x in x
0.052 * [approximate]: Taking taylor expansion of (/ 2.0 (pow x 2)) in (x) around 0
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
0.052 * [taylor]: Taking taylor expansion of (/ 2.0 (pow x 2)) in x
0.053 * [taylor]: Taking taylor expansion of 2.0 in x
0.053 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.053 * [taylor]: Taking taylor expansion of x in x
0.060 * [approximate]: Taking taylor expansion of (/ 2.0 (pow x 2)) in (x) around 0
0.060 * [taylor]: Taking taylor expansion of (/ 2.0 (pow x 2)) in x
0.060 * [taylor]: Taking taylor expansion of 2.0 in x
0.060 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.061 * [taylor]: Taking taylor expansion of x in x
0.061 * [taylor]: Taking taylor expansion of (/ 2.0 (pow x 2)) in x
0.061 * [taylor]: Taking taylor expansion of 2.0 in x
0.061 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.061 * [taylor]: Taking taylor expansion of x in x
0.072 * * * * [progress]: [ 2 / 2 ] generating series at (2)
0.072 * [approximate]: Taking taylor expansion of (- (* 2.0 (pow x 2)) 1.0) in (x) around 0
0.072 * [taylor]: Taking taylor expansion of (- (* 2.0 (pow x 2)) 1.0) in x
0.072 * [taylor]: Taking taylor expansion of (* 2.0 (pow x 2)) in x
0.072 * [taylor]: Taking taylor expansion of 2.0 in x
0.072 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.072 * [taylor]: Taking taylor expansion of x in x
0.072 * [taylor]: Taking taylor expansion of 1.0 in x
0.072 * [taylor]: Taking taylor expansion of (- (* 2.0 (pow x 2)) 1.0) in x
0.072 * [taylor]: Taking taylor expansion of (* 2.0 (pow x 2)) in x
0.072 * [taylor]: Taking taylor expansion of 2.0 in x
0.072 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.072 * [taylor]: Taking taylor expansion of x in x
0.072 * [taylor]: Taking taylor expansion of 1.0 in x
0.085 * [approximate]: Taking taylor expansion of (- (* 2.0 (/ 1 (pow x 2))) 1.0) in (x) around 0
0.085 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 (pow x 2))) 1.0) in x
0.085 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (pow x 2))) in x
0.085 * [taylor]: Taking taylor expansion of 2.0 in x
0.085 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.085 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.085 * [taylor]: Taking taylor expansion of x in x
0.086 * [taylor]: Taking taylor expansion of 1.0 in x
0.086 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 (pow x 2))) 1.0) in x
0.086 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (pow x 2))) in x
0.086 * [taylor]: Taking taylor expansion of 2.0 in x
0.086 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.086 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.086 * [taylor]: Taking taylor expansion of x in x
0.086 * [taylor]: Taking taylor expansion of 1.0 in x
0.106 * [approximate]: Taking taylor expansion of (- (* 2.0 (/ 1 (pow x 2))) 1.0) in (x) around 0
0.106 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 (pow x 2))) 1.0) in x
0.106 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (pow x 2))) in x
0.106 * [taylor]: Taking taylor expansion of 2.0 in x
0.106 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.106 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.106 * [taylor]: Taking taylor expansion of x in x
0.106 * [taylor]: Taking taylor expansion of 1.0 in x
0.106 * [taylor]: Taking taylor expansion of (- (* 2.0 (/ 1 (pow x 2))) 1.0) in x
0.106 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (pow x 2))) in x
0.106 * [taylor]: Taking taylor expansion of 2.0 in x
0.106 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.106 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.106 * [taylor]: Taking taylor expansion of x in x
0.107 * [taylor]: Taking taylor expansion of 1.0 in x
0.126 * * * [progress]: simplifying candidates
0.127 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (expm1 (* (* x x) 2.0))
  (log1p (* (* x x) 2.0))
  (* (* 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)
  (fma (* x x) 2.0 (- (* (cbrt 1.0) (* (cbrt 1.0) (cbrt 1.0)))))
  (fma (- (cbrt 1.0)) (* (cbrt 1.0) (cbrt 1.0)) (* (cbrt 1.0) (* (cbrt 1.0) (cbrt 1.0))))
  (fma (* x x) 2.0 (- (* (sqrt 1.0) (sqrt 1.0))))
  (fma (- (sqrt 1.0)) (sqrt 1.0) (* (sqrt 1.0) (sqrt 1.0)))
  (fma (* x x) 2.0 (- (* 1.0 1)))
  (fma (- 1.0) 1 (* 1.0 1))
  (expm1 (- (* (* x x) 2.0) 1.0))
  (log1p (- (* (* x x) 2.0) 1.0))
  (- 1.0)
  (/ (exp (* (* x x) 2.0)) (exp 1.0))
  (log (- (* (* x x) 2.0) 1.0))
  (exp (- (* (* x x) 2.0) 1.0))
  (* (cbrt (- (* (* x x) 2.0) 1.0)) (cbrt (- (* (* x x) 2.0) 1.0)))
  (cbrt (- (* (* x x) 2.0) 1.0))
  (* (* (- (* (* x x) 2.0) 1.0) (- (* (* x x) 2.0) 1.0)) (- (* (* x x) 2.0) 1.0))
  (sqrt (- (* (* x x) 2.0) 1.0))
  (sqrt (- (* (* x x) 2.0) 1.0))
  (- (pow (* (* x x) 2.0) 3) (pow 1.0 3))
  (+ (* (* (* x x) 2.0) (* (* x x) 2.0)) (+ (* 1.0 1.0) (* (* (* x x) 2.0) 1.0)))
  (- 1.0)
  (- (* (* (* x x) 2.0) (* (* x x) 2.0)) (* 1.0 1.0))
  (+ (* (* x x) 2.0) 1.0)
  (- 1.0)
  (* 2.0 (pow x 2))
  (* 2.0 (pow x 2))
  (* 2.0 (pow x 2))
  (- (* 2.0 (pow x 2)) 1.0)
  (- (* 2.0 (pow x 2)) 1.0)
  (- (* 2.0 (pow x 2)) 1.0)
0.129 * * [simplify]: iteration  0 :  81  enodes  (cost  434 )
0.150 * * [simplify]: iteration  1 :  189  enodes  (cost  385 )
0.216 * * [simplify]: iteration  2 :  589  enodes  (cost  335 )
0.781 * * [simplify]: iteration  3 :  2347  enodes  (cost  332 )
2.819 * * [simplify]: iteration  done :  5000  enodes  (cost  332 )
2.819 * [simplify]: Simplified to:
   (expm1 (* (* x x) 2.0))
  (log1p (* (* x x) 2.0))
  (* (pow x 2) 2.0)
  (* (pow x 2) 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))
  (* (sqrt 2.0) x)
  (* (sqrt 2.0) x)
  (* (* x x) (* (cbrt 2.0) (cbrt 2.0)))
  (* (* x x) (sqrt 2.0))
  (pow x 2)
  (* x 2.0)
  (fma (* x 2.0) x (- 1.0))
  (- 1.0 1.0)
  (fma (* x 2.0) x (- 1.0))
  (- 1.0 1.0)
  (fma (* x 2.0) x (- 1.0))
  (- 1.0 1.0)
  (expm1 (- (* (* x x) 2.0) 1.0))
  (log1p (- (* (* x x) 2.0) 1.0))
  (- 1.0)
  (exp (- (* (* x x) 2.0) 1.0))
  (log (- (* (* x x) 2.0) 1.0))
  (exp (- (* (* x x) 2.0) 1.0))
  (* (cbrt (- (* (* x x) 2.0) 1.0)) (cbrt (- (* (* x x) 2.0) 1.0)))
  (cbrt (- (* (* x x) 2.0) 1.0))
  (pow (fma 2.0 (* x x) (- 1.0)) 3)
  (sqrt (- (* (* x x) 2.0) 1.0))
  (sqrt (- (* (* x x) 2.0) 1.0))
  (- (pow (* (* x x) 2.0) 3) (pow 1.0 3))
  (fma (* 2.0 (pow x 4)) 2.0 (* 1.0 (fma (* x x) 2.0 1.0)))
  (- 1.0)
  (fma (* 2.0 (pow x 4)) 2.0 (- (* 1.0 1.0)))
  (fma (* x x) 2.0 1.0)
  (- 1.0)
  (* (pow x 2) 2.0)
  (* (pow x 2) 2.0)
  (* (pow x 2) 2.0)
  (fma (* x 2.0) x (- 1.0))
  (fma (* x 2.0) x (- 1.0))
  (fma (* x 2.0) x (- 1.0))
2.819 * * * [progress]: adding candidates to table
2.888 * * [progress]: iteration 2 / 4
2.888 * * * [progress]: picking best candidate
2.889 * * * * [pick]: Picked  #<alt (λ (x) (+ (fma (* x 2.0) x (- 1.0)) (- 1.0 1.0)))>
2.889 * * * [progress]: localizing error
2.896 * * * [progress]: generating rewritten candidates
2.896 * * * [progress]: generating series expansions
2.896 * * * [progress]: simplifying candidates
2.896 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   
2.897 * * [simplify]: iteration  0 :  0  enodes  (cost  0 )
2.897 * * [simplify]: iteration  done :  0  enodes  (cost  0 )
2.897 * [simplify]: Simplified to:
   
2.897 * * * [progress]: adding candidates to table
2.898 * [progress]: [Phase 3 of 3] Extracting.
2.899 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (+ (fma (* x 2.0) x (- 1.0)) (- 1.0 1.0))
2.899 * * [simplify]: iteration  0 :  8  enodes  (cost  11 )
2.900 * * [simplify]: iteration  1 :  10  enodes  (cost  11 )
2.900 * * [simplify]: iteration  done :  10  enodes  (cost  11 )
2.900 * [simplify]: Simplified to:
   (+ (fma (* x 2.0) x (- 1.0)) (- 1.0 1.0))
3.239 * [regime-testing]: End program error score: 0