24.280 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.080 * * * [progress]: [2/2] Setting up program.
0.082 * [progress]: [Phase 2 of 3] Improving.
0.082 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (acos (/ (- 1.0 (* 5.0 (* v v))) (- (* v v) 1.0)))
0.083 * * [simplify]: iteration  0 :  9  enodes  (cost  14 )
0.084 * * [simplify]: iteration  1 :  19  enodes  (cost  14 )
0.087 * * [simplify]: iteration  2 :  41  enodes  (cost  14 )
0.093 * * [simplify]: iteration  3 :  81  enodes  (cost  14 )
0.104 * * [simplify]: iteration  4 :  150  enodes  (cost  14 )
0.134 * * [simplify]: iteration  5 :  235  enodes  (cost  14 )
0.189 * * [simplify]: iteration  6 :  312  enodes  (cost  14 )
0.275 * * [simplify]: iteration  7 :  461  enodes  (cost  14 )
0.606 * * [simplify]: iteration  8 :  1194  enodes  (cost  14 )
3.018 * * [simplify]: iteration  done :  5000  enodes  (cost  14 )
3.018 * [simplify]: Simplified to:
   (acos (/ (- 1.0 (* 5.0 (* v v))) (- (* v v) 1.0)))
3.018 * * [progress]: iteration 1 / 4
3.018 * * * [progress]: picking best candidate
3.020 * * * * [pick]: Picked  #<alt (λ (v) (acos (/ (- 1.0 (* 5.0 (* v v))) (- (* v v) 1.0))))>
3.020 * * * [progress]: localizing error
3.028 * * * [progress]: generating rewritten candidates
3.028 * * * * [progress]: [ 1 / 3 ] rewriting at (2)
3.028 * * * * [progress]: [ 2 / 3 ] rewriting at (2 1 1 2)
3.035 * * * * [progress]: [ 3 / 3 ] rewriting at (2 1)
3.052 * * * [progress]: generating series expansions
3.052 * * * * [progress]: [ 1 / 3 ] generating series at (2)
3.052 * [approximate]: Taking taylor expansion of (acos (/ (- 1.0 (* 5.0 (pow v 2))) (- (pow v 2) 1.0))) in (v) around 0
3.052 * [taylor]: Taking taylor expansion of (acos (/ (- 1.0 (* 5.0 (pow v 2))) (- (pow v 2) 1.0))) in v
3.053 * [taylor]: Taking taylor expansion of (acos (/ (- 1.0 (* 5.0 (pow v 2))) (- (pow v 2) 1.0))) in v
3.053 * [approximate]: Taking taylor expansion of (acos (/ (- 1.0 (* 5.0 (/ 1 (pow v 2)))) (- (/ 1 (pow v 2)) 1.0))) in (v) around 0
3.053 * [taylor]: Taking taylor expansion of (acos (/ (- 1.0 (* 5.0 (/ 1 (pow v 2)))) (- (/ 1 (pow v 2)) 1.0))) in v
3.054 * [taylor]: Taking taylor expansion of (acos (/ (- 1.0 (* 5.0 (/ 1 (pow v 2)))) (- (/ 1 (pow v 2)) 1.0))) in v
3.054 * [approximate]: Taking taylor expansion of (acos (/ (- 1.0 (* 5.0 (/ 1 (pow v 2)))) (- (/ 1 (pow v 2)) 1.0))) in (v) around 0
3.055 * [taylor]: Taking taylor expansion of (acos (/ (- 1.0 (* 5.0 (/ 1 (pow v 2)))) (- (/ 1 (pow v 2)) 1.0))) in v
3.055 * [taylor]: Taking taylor expansion of (acos (/ (- 1.0 (* 5.0 (/ 1 (pow v 2)))) (- (/ 1 (pow v 2)) 1.0))) in v
3.055 * * * * [progress]: [ 2 / 3 ] generating series at (2 1 1 2)
3.056 * [approximate]: Taking taylor expansion of (* 5.0 (pow v 2)) in (v) around 0
3.056 * [taylor]: Taking taylor expansion of (* 5.0 (pow v 2)) in v
3.056 * [taylor]: Taking taylor expansion of 5.0 in v
3.056 * [taylor]: Taking taylor expansion of (pow v 2) in v
3.056 * [taylor]: Taking taylor expansion of v in v
3.056 * [taylor]: Taking taylor expansion of (* 5.0 (pow v 2)) in v
3.056 * [taylor]: Taking taylor expansion of 5.0 in v
3.056 * [taylor]: Taking taylor expansion of (pow v 2) in v
3.056 * [taylor]: Taking taylor expansion of v in v
3.064 * [approximate]: Taking taylor expansion of (/ 5.0 (pow v 2)) in (v) around 0
3.064 * [taylor]: Taking taylor expansion of (/ 5.0 (pow v 2)) in v
3.064 * [taylor]: Taking taylor expansion of 5.0 in v
3.064 * [taylor]: Taking taylor expansion of (pow v 2) in v
3.064 * [taylor]: Taking taylor expansion of v in v
3.064 * [taylor]: Taking taylor expansion of (/ 5.0 (pow v 2)) in v
3.064 * [taylor]: Taking taylor expansion of 5.0 in v
3.064 * [taylor]: Taking taylor expansion of (pow v 2) in v
3.064 * [taylor]: Taking taylor expansion of v in v
3.072 * [approximate]: Taking taylor expansion of (/ 5.0 (pow v 2)) in (v) around 0
3.072 * [taylor]: Taking taylor expansion of (/ 5.0 (pow v 2)) in v
3.072 * [taylor]: Taking taylor expansion of 5.0 in v
3.072 * [taylor]: Taking taylor expansion of (pow v 2) in v
3.072 * [taylor]: Taking taylor expansion of v in v
3.073 * [taylor]: Taking taylor expansion of (/ 5.0 (pow v 2)) in v
3.073 * [taylor]: Taking taylor expansion of 5.0 in v
3.073 * [taylor]: Taking taylor expansion of (pow v 2) in v
3.073 * [taylor]: Taking taylor expansion of v in v
3.080 * * * * [progress]: [ 3 / 3 ] generating series at (2 1)
3.080 * [approximate]: Taking taylor expansion of (/ (- 1.0 (* 5.0 (pow v 2))) (- (pow v 2) 1.0)) in (v) around 0
3.080 * [taylor]: Taking taylor expansion of (/ (- 1.0 (* 5.0 (pow v 2))) (- (pow v 2) 1.0)) in v
3.080 * [taylor]: Taking taylor expansion of (- 1.0 (* 5.0 (pow v 2))) in v
3.080 * [taylor]: Taking taylor expansion of 1.0 in v
3.080 * [taylor]: Taking taylor expansion of (* 5.0 (pow v 2)) in v
3.080 * [taylor]: Taking taylor expansion of 5.0 in v
3.080 * [taylor]: Taking taylor expansion of (pow v 2) in v
3.080 * [taylor]: Taking taylor expansion of v in v
3.080 * [taylor]: Taking taylor expansion of (- (pow v 2) 1.0) in v
3.080 * [taylor]: Taking taylor expansion of (pow v 2) in v
3.080 * [taylor]: Taking taylor expansion of v in v
3.080 * [taylor]: Taking taylor expansion of 1.0 in v
3.082 * [taylor]: Taking taylor expansion of (/ (- 1.0 (* 5.0 (pow v 2))) (- (pow v 2) 1.0)) in v
3.082 * [taylor]: Taking taylor expansion of (- 1.0 (* 5.0 (pow v 2))) in v
3.082 * [taylor]: Taking taylor expansion of 1.0 in v
3.082 * [taylor]: Taking taylor expansion of (* 5.0 (pow v 2)) in v
3.082 * [taylor]: Taking taylor expansion of 5.0 in v
3.082 * [taylor]: Taking taylor expansion of (pow v 2) in v
3.082 * [taylor]: Taking taylor expansion of v in v
3.082 * [taylor]: Taking taylor expansion of (- (pow v 2) 1.0) in v
3.082 * [taylor]: Taking taylor expansion of (pow v 2) in v
3.082 * [taylor]: Taking taylor expansion of v in v
3.082 * [taylor]: Taking taylor expansion of 1.0 in v
3.099 * [approximate]: Taking taylor expansion of (/ (- 1.0 (* 5.0 (/ 1 (pow v 2)))) (- (/ 1 (pow v 2)) 1.0)) in (v) around 0
3.099 * [taylor]: Taking taylor expansion of (/ (- 1.0 (* 5.0 (/ 1 (pow v 2)))) (- (/ 1 (pow v 2)) 1.0)) in v
3.099 * [taylor]: Taking taylor expansion of (- 1.0 (* 5.0 (/ 1 (pow v 2)))) in v
3.099 * [taylor]: Taking taylor expansion of 1.0 in v
3.099 * [taylor]: Taking taylor expansion of (* 5.0 (/ 1 (pow v 2))) in v
3.099 * [taylor]: Taking taylor expansion of 5.0 in v
3.099 * [taylor]: Taking taylor expansion of (/ 1 (pow v 2)) in v
3.099 * [taylor]: Taking taylor expansion of (pow v 2) in v
3.099 * [taylor]: Taking taylor expansion of v in v
3.099 * [taylor]: Taking taylor expansion of (- (/ 1 (pow v 2)) 1.0) in v
3.100 * [taylor]: Taking taylor expansion of (/ 1 (pow v 2)) in v
3.100 * [taylor]: Taking taylor expansion of (pow v 2) in v
3.100 * [taylor]: Taking taylor expansion of v in v
3.100 * [taylor]: Taking taylor expansion of 1.0 in v
3.102 * [taylor]: Taking taylor expansion of (/ (- 1.0 (* 5.0 (/ 1 (pow v 2)))) (- (/ 1 (pow v 2)) 1.0)) in v
3.102 * [taylor]: Taking taylor expansion of (- 1.0 (* 5.0 (/ 1 (pow v 2)))) in v
3.102 * [taylor]: Taking taylor expansion of 1.0 in v
3.102 * [taylor]: Taking taylor expansion of (* 5.0 (/ 1 (pow v 2))) in v
3.102 * [taylor]: Taking taylor expansion of 5.0 in v
3.102 * [taylor]: Taking taylor expansion of (/ 1 (pow v 2)) in v
3.102 * [taylor]: Taking taylor expansion of (pow v 2) in v
3.102 * [taylor]: Taking taylor expansion of v in v
3.102 * [taylor]: Taking taylor expansion of (- (/ 1 (pow v 2)) 1.0) in v
3.102 * [taylor]: Taking taylor expansion of (/ 1 (pow v 2)) in v
3.102 * [taylor]: Taking taylor expansion of (pow v 2) in v
3.102 * [taylor]: Taking taylor expansion of v in v
3.103 * [taylor]: Taking taylor expansion of 1.0 in v
3.131 * [approximate]: Taking taylor expansion of (/ (- 1.0 (* 5.0 (/ 1 (pow v 2)))) (- (/ 1 (pow v 2)) 1.0)) in (v) around 0
3.131 * [taylor]: Taking taylor expansion of (/ (- 1.0 (* 5.0 (/ 1 (pow v 2)))) (- (/ 1 (pow v 2)) 1.0)) in v
3.131 * [taylor]: Taking taylor expansion of (- 1.0 (* 5.0 (/ 1 (pow v 2)))) in v
3.131 * [taylor]: Taking taylor expansion of 1.0 in v
3.131 * [taylor]: Taking taylor expansion of (* 5.0 (/ 1 (pow v 2))) in v
3.131 * [taylor]: Taking taylor expansion of 5.0 in v
3.131 * [taylor]: Taking taylor expansion of (/ 1 (pow v 2)) in v
3.131 * [taylor]: Taking taylor expansion of (pow v 2) in v
3.131 * [taylor]: Taking taylor expansion of v in v
3.132 * [taylor]: Taking taylor expansion of (- (/ 1 (pow v 2)) 1.0) in v
3.132 * [taylor]: Taking taylor expansion of (/ 1 (pow v 2)) in v
3.132 * [taylor]: Taking taylor expansion of (pow v 2) in v
3.132 * [taylor]: Taking taylor expansion of v in v
3.132 * [taylor]: Taking taylor expansion of 1.0 in v
3.134 * [taylor]: Taking taylor expansion of (/ (- 1.0 (* 5.0 (/ 1 (pow v 2)))) (- (/ 1 (pow v 2)) 1.0)) in v
3.134 * [taylor]: Taking taylor expansion of (- 1.0 (* 5.0 (/ 1 (pow v 2)))) in v
3.134 * [taylor]: Taking taylor expansion of 1.0 in v
3.134 * [taylor]: Taking taylor expansion of (* 5.0 (/ 1 (pow v 2))) in v
3.134 * [taylor]: Taking taylor expansion of 5.0 in v
3.134 * [taylor]: Taking taylor expansion of (/ 1 (pow v 2)) in v
3.134 * [taylor]: Taking taylor expansion of (pow v 2) in v
3.134 * [taylor]: Taking taylor expansion of v in v
3.134 * [taylor]: Taking taylor expansion of (- (/ 1 (pow v 2)) 1.0) in v
3.135 * [taylor]: Taking taylor expansion of (/ 1 (pow v 2)) in v
3.135 * [taylor]: Taking taylor expansion of (pow v 2) in v
3.135 * [taylor]: Taking taylor expansion of v in v
3.135 * [taylor]: Taking taylor expansion of 1.0 in v
3.159 * * * [progress]: simplifying candidates
3.160 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (/ PI 2)
  (asin (/ (- 1.0 (* 5.0 (* v v))) (- (* v v) 1.0)))
  (log (acos (/ (- 1.0 (* 5.0 (* v v))) (- (* v v) 1.0))))
  (exp (acos (/ (- 1.0 (* 5.0 (* v v))) (- (* v v) 1.0))))
  (* (cbrt (acos (/ (- 1.0 (* 5.0 (* v v))) (- (* v v) 1.0)))) (cbrt (acos (/ (- 1.0 (* 5.0 (* v v))) (- (* v v) 1.0)))))
  (cbrt (acos (/ (- 1.0 (* 5.0 (* v v))) (- (* v v) 1.0))))
  (* (* (acos (/ (- 1.0 (* 5.0 (* v v))) (- (* v v) 1.0))) (acos (/ (- 1.0 (* 5.0 (* v v))) (- (* v v) 1.0)))) (acos (/ (- 1.0 (* 5.0 (* v v))) (- (* v v) 1.0))))
  (sqrt (acos (/ (- 1.0 (* 5.0 (* v v))) (- (* v v) 1.0))))
  (sqrt (acos (/ (- 1.0 (* 5.0 (* v v))) (- (* v v) 1.0))))
  (* 5.0 (* v v))
  (* 5.0 (* v v))
  (+ (log 5.0) (+ (log v) (log v)))
  (+ (log 5.0) (log (* v v)))
  (log (* 5.0 (* v v)))
  (exp (* 5.0 (* v v)))
  (* (* (* 5.0 5.0) 5.0) (* (* (* v v) v) (* (* v v) v)))
  (* (* (* 5.0 5.0) 5.0) (* (* (* v v) (* v v)) (* v v)))
  (* (cbrt (* 5.0 (* v v))) (cbrt (* 5.0 (* v v))))
  (cbrt (* 5.0 (* v v)))
  (* (* (* 5.0 (* v v)) (* 5.0 (* v v))) (* 5.0 (* v v)))
  (sqrt (* 5.0 (* v v)))
  (sqrt (* 5.0 (* v v)))
  (* (sqrt 5.0) v)
  (* (sqrt 5.0) v)
  (* 5.0 v)
  (* (cbrt 5.0) (* v v))
  (* (sqrt 5.0) (* v v))
  (* 5.0 (* v v))
  (- (log (- 1.0 (* 5.0 (* v v)))) (log (- (* v v) 1.0)))
  (log (/ (- 1.0 (* 5.0 (* v v))) (- (* v v) 1.0)))
  (exp (/ (- 1.0 (* 5.0 (* v v))) (- (* v v) 1.0)))
  (/ (* (* (- 1.0 (* 5.0 (* v v))) (- 1.0 (* 5.0 (* v v)))) (- 1.0 (* 5.0 (* v v)))) (* (* (- (* v v) 1.0) (- (* v v) 1.0)) (- (* v v) 1.0)))
  (* (cbrt (/ (- 1.0 (* 5.0 (* v v))) (- (* v v) 1.0))) (cbrt (/ (- 1.0 (* 5.0 (* v v))) (- (* v v) 1.0))))
  (cbrt (/ (- 1.0 (* 5.0 (* v v))) (- (* v v) 1.0)))
  (* (* (/ (- 1.0 (* 5.0 (* v v))) (- (* v v) 1.0)) (/ (- 1.0 (* 5.0 (* v v))) (- (* v v) 1.0))) (/ (- 1.0 (* 5.0 (* v v))) (- (* v v) 1.0)))
  (sqrt (/ (- 1.0 (* 5.0 (* v v))) (- (* v v) 1.0)))
  (sqrt (/ (- 1.0 (* 5.0 (* v v))) (- (* v v) 1.0)))
  (- (- 1.0 (* 5.0 (* v v))))
  (- (- (* v v) 1.0))
  (/ 1.0 (- (* v v) 1.0))
  (/ (* 5.0 (* v v)) (- (* v v) 1.0))
  (/ (* (cbrt (- 1.0 (* 5.0 (* v v)))) (cbrt (- 1.0 (* 5.0 (* v v))))) (* (cbrt (- (* v v) 1.0)) (cbrt (- (* v v) 1.0))))
  (/ (cbrt (- 1.0 (* 5.0 (* v v)))) (cbrt (- (* v v) 1.0)))
  (/ (* (cbrt (- 1.0 (* 5.0 (* v v)))) (cbrt (- 1.0 (* 5.0 (* v v))))) (sqrt (- (* v v) 1.0)))
  (/ (cbrt (- 1.0 (* 5.0 (* v v)))) (sqrt (- (* v v) 1.0)))
  (/ (* (cbrt (- 1.0 (* 5.0 (* v v)))) (cbrt (- 1.0 (* 5.0 (* v v))))) 1)
  (/ (cbrt (- 1.0 (* 5.0 (* v v)))) (- (* v v) 1.0))
  (/ (* (cbrt (- 1.0 (* 5.0 (* v v)))) (cbrt (- 1.0 (* 5.0 (* v v))))) (+ v (sqrt 1.0)))
  (/ (cbrt (- 1.0 (* 5.0 (* v v)))) (- v (sqrt 1.0)))
  (/ (sqrt (- 1.0 (* 5.0 (* v v)))) (* (cbrt (- (* v v) 1.0)) (cbrt (- (* v v) 1.0))))
  (/ (sqrt (- 1.0 (* 5.0 (* v v)))) (cbrt (- (* v v) 1.0)))
  (/ (sqrt (- 1.0 (* 5.0 (* v v)))) (sqrt (- (* v v) 1.0)))
  (/ (sqrt (- 1.0 (* 5.0 (* v v)))) (sqrt (- (* v v) 1.0)))
  (/ (sqrt (- 1.0 (* 5.0 (* v v)))) 1)
  (/ (sqrt (- 1.0 (* 5.0 (* v v)))) (- (* v v) 1.0))
  (/ (sqrt (- 1.0 (* 5.0 (* v v)))) (+ v (sqrt 1.0)))
  (/ (sqrt (- 1.0 (* 5.0 (* v v)))) (- v (sqrt 1.0)))
  (/ 1 (* (cbrt (- (* v v) 1.0)) (cbrt (- (* v v) 1.0))))
  (/ (- 1.0 (* 5.0 (* v v))) (cbrt (- (* v v) 1.0)))
  (/ 1 (sqrt (- (* v v) 1.0)))
  (/ (- 1.0 (* 5.0 (* v v))) (sqrt (- (* v v) 1.0)))
  (/ 1 1)
  (/ (- 1.0 (* 5.0 (* v v))) (- (* v v) 1.0))
  (/ 1 (+ v (sqrt 1.0)))
  (/ (- 1.0 (* 5.0 (* v v))) (- v (sqrt 1.0)))
  (/ 1 (- (* v v) 1.0))
  (/ (- (* v v) 1.0) (- 1.0 (* 5.0 (* v v))))
  (/ (- 1.0 (* 5.0 (* v v))) (* (cbrt (- (* v v) 1.0)) (cbrt (- (* v v) 1.0))))
  (/ (- 1.0 (* 5.0 (* v v))) (sqrt (- (* v v) 1.0)))
  (/ (- 1.0 (* 5.0 (* v v))) 1)
  (/ (- 1.0 (* 5.0 (* v v))) (+ v (sqrt 1.0)))
  (/ (- (* v v) 1.0) (cbrt (- 1.0 (* 5.0 (* v v)))))
  (/ (- (* v v) 1.0) (sqrt (- 1.0 (* 5.0 (* v v)))))
  (/ (- (* v v) 1.0) (- 1.0 (* 5.0 (* v v))))
  (/ (- 1.0 (* 5.0 (* v v))) (- (pow (* v v) 3) (pow 1.0 3)))
  (/ (- 1.0 (* 5.0 (* v v))) (- (* (* v v) (* v v)) (* 1.0 1.0)))
  (* (- (* v v) 1.0) (+ (* 1.0 1.0) (+ (* (* 5.0 (* v v)) (* 5.0 (* v v))) (* 1.0 (* 5.0 (* v v))))))
  (* (- (* v v) 1.0) (+ 1.0 (* 5.0 (* v v))))
  (acos (/ (- 1.0 (* 5.0 (pow v 2))) (- (pow v 2) 1.0)))
  (acos (/ (- 1.0 (* 5.0 (pow v 2))) (- (pow v 2) 1.0)))
  (acos (/ (- 1.0 (* 5.0 (pow v 2))) (- (pow v 2) 1.0)))
  (* 5.0 (pow v 2))
  (* 5.0 (pow v 2))
  (* 5.0 (pow v 2))
  (- (+ (* 4.0 (pow v 2)) (* 4.0 (pow v 4))) 1.0)
  (- (+ (* 4.0 (/ 1 (pow v 2))) (+ (* 4.0 (/ 1 (pow v 4))) 5.0)))
  (- (+ (* 4.0 (/ 1 (pow v 2))) (+ (* 4.0 (/ 1 (pow v 4))) 5.0)))
3.164 * * [simplify]: iteration  0 :  139  enodes  (cost  1198 )
3.195 * * [simplify]: iteration  1 :  332  enodes  (cost  1158 )
3.288 * * [simplify]: iteration  2 :  988  enodes  (cost  1054 )
3.960 * * [simplify]: iteration  3 :  3647  enodes  (cost  1052 )
4.831 * * [simplify]: iteration  done :  5000  enodes  (cost  1050 )
4.832 * [simplify]: Simplified to:
   (/ PI 2)
  (asin (/ (- 1.0 (* 5.0 (* v v))) (- (* v v) 1.0)))
  (log (acos (/ (- 1.0 (* 5.0 (* v v))) (- (* v v) 1.0))))
  (exp (acos (/ (- 1.0 (* 5.0 (* v v))) (- (* v v) 1.0))))
  (* (cbrt (acos (/ (- 1.0 (* 5.0 (* v v))) (- (* v v) 1.0)))) (cbrt (acos (/ (- 1.0 (* 5.0 (* v v))) (- (* v v) 1.0)))))
  (cbrt (acos (/ (- 1.0 (* 5.0 (* v v))) (- (* v v) 1.0))))
  (pow (acos (/ (- 1.0 (* 5.0 (* v v))) (- (* v v) 1.0))) 3)
  (sqrt (acos (/ (- 1.0 (* 5.0 (* v v))) (- (* v v) 1.0))))
  (sqrt (acos (/ (- 1.0 (* 5.0 (* v v))) (- (* v v) 1.0))))
  (* (* 5.0 v) v)
  (* (* 5.0 v) v)
  (log (* 5.0 (* v v)))
  (log (* 5.0 (* v v)))
  (log (* 5.0 (* v v)))
  (exp (* 5.0 (* v v)))
  (pow (* 5.0 (* v v)) 3)
  (pow (* 5.0 (* v v)) 3)
  (* (cbrt (* 5.0 (* v v))) (cbrt (* 5.0 (* v v))))
  (cbrt (* 5.0 (* v v)))
  (pow (* 5.0 (* v v)) 3)
  (sqrt (* 5.0 (* v v)))
  (sqrt (* 5.0 (* v v)))
  (* (sqrt 5.0) v)
  (* (sqrt 5.0) v)
  (* 5.0 v)
  (* (cbrt 5.0) (* v v))
  (* (sqrt 5.0) (* v v))
  (* (* 5.0 v) v)
  (log (/ (- 1.0 (* 5.0 (* v v))) (- (* v v) 1.0)))
  (log (/ (- 1.0 (* 5.0 (* v v))) (- (* v v) 1.0)))
  (exp (/ (- 1.0 (* 5.0 (* v v))) (- (* v v) 1.0)))
  (pow (/ (- 1.0 (* 5.0 (* v v))) (- (* v v) 1.0)) 3)
  (* (cbrt (/ (- 1.0 (* 5.0 (* v v))) (- (* v v) 1.0))) (cbrt (/ (- 1.0 (* 5.0 (* v v))) (- (* v v) 1.0))))
  (cbrt (/ (- 1.0 (* 5.0 (* v v))) (- (* v v) 1.0)))
  (pow (/ (- 1.0 (* 5.0 (* v v))) (- (* v v) 1.0)) 3)
  (sqrt (/ (- 1.0 (* 5.0 (* v v))) (- (* v v) 1.0)))
  (sqrt (/ (- 1.0 (* 5.0 (* v v))) (- (* v v) 1.0)))
  (- (* (* 5.0 v) v) 1.0)
  (- 1.0 (pow v 2))
  (/ 1.0 (- (* v v) 1.0))
  (/ 5.0 (- 1 (/ 1.0 (* v v))))
  (/ (* (cbrt (- 1.0 (* 5.0 (* v v)))) (cbrt (- 1.0 (* 5.0 (* v v))))) (* (cbrt (- (* v v) 1.0)) (cbrt (- (* v v) 1.0))))
  (/ (cbrt (- 1.0 (* 5.0 (* v v)))) (cbrt (- (* v v) 1.0)))
  (/ (* (cbrt (- 1.0 (* 5.0 (* v v)))) (cbrt (- 1.0 (* 5.0 (* v v))))) (sqrt (- (* v v) 1.0)))
  (/ (cbrt (- 1.0 (* 5.0 (* v v)))) (sqrt (- (* v v) 1.0)))
  (* (cbrt (- 1.0 (* 5.0 (* v v)))) (cbrt (- 1.0 (* 5.0 (* v v)))))
  (/ (cbrt (- 1.0 (* 5.0 (* v v)))) (- (* v v) 1.0))
  (/ (* (cbrt (- 1.0 (* 5.0 (* v v)))) (cbrt (- 1.0 (* 5.0 (* v v))))) (+ v (sqrt 1.0)))
  (/ (cbrt (- 1.0 (* 5.0 (* v v)))) (- v (sqrt 1.0)))
  (/ (sqrt (- 1.0 (* 5.0 (* v v)))) (* (cbrt (- (* v v) 1.0)) (cbrt (- (* v v) 1.0))))
  (/ (sqrt (- 1.0 (* 5.0 (* v v)))) (cbrt (- (* v v) 1.0)))
  (/ (sqrt (- 1.0 (* 5.0 (* v v)))) (sqrt (- (* v v) 1.0)))
  (/ (sqrt (- 1.0 (* 5.0 (* v v)))) (sqrt (- (* v v) 1.0)))
  (sqrt (- 1.0 (* 5.0 (* v v))))
  (/ (sqrt (- 1.0 (* 5.0 (* v v)))) (- (* v v) 1.0))
  (/ (sqrt (- 1.0 (* 5.0 (* v v)))) (+ v (sqrt 1.0)))
  (/ (sqrt (- 1.0 (* 5.0 (* v v)))) (- v (sqrt 1.0)))
  (/ 1 (* (cbrt (- (* v v) 1.0)) (cbrt (- (* v v) 1.0))))
  (/ (- 1.0 (* 5.0 (* v v))) (cbrt (- (* v v) 1.0)))
  (/ 1 (sqrt (- (* v v) 1.0)))
  (/ (- 1.0 (* 5.0 (* v v))) (sqrt (- (* v v) 1.0)))
  1
  (/ (- 1.0 (* 5.0 (* v v))) (- (* v v) 1.0))
  (/ 1 (+ v (sqrt 1.0)))
  (/ (- 1.0 (* 5.0 (* v v))) (- v (sqrt 1.0)))
  (/ 1 (- (* v v) 1.0))
  (/ (- (* v v) 1.0) (- 1.0 (* 5.0 (* v v))))
  (/ (- 1.0 (* 5.0 (* v v))) (* (cbrt (- (* v v) 1.0)) (cbrt (- (* v v) 1.0))))
  (/ (- 1.0 (* 5.0 (* v v))) (sqrt (- (* v v) 1.0)))
  (- 1.0 (* 5.0 (* v v)))
  (/ (- 1.0 (* 5.0 (* v v))) (+ v (sqrt 1.0)))
  (/ (- (* v v) 1.0) (cbrt (- 1.0 (* 5.0 (* v v)))))
  (/ (- (* v v) 1.0) (sqrt (- 1.0 (* 5.0 (* v v)))))
  (/ (- (* v v) 1.0) (- 1.0 (* 5.0 (* v v))))
  (/ (- 1.0 (* 5.0 (* v v))) (- (pow v 6) (pow 1.0 3)))
  (/ (- 1.0 (* 5.0 (* v v))) (- (pow v 4) (* 1.0 1.0)))
  (* (- (* v v) 1.0) (+ (* 1.0 1.0) (* (* 5.0 (pow v 2)) (+ 1.0 (* 5.0 (* v v))))))
  (* (- (* v v) 1.0) (+ 1.0 (* 5.0 (* v v))))
  (acos (/ (- 1.0 (* 5.0 (* v v))) (- (* v v) 1.0)))
  (acos (/ (- 1.0 (* 5.0 (* v v))) (- (* v v) 1.0)))
  (acos (/ (- 1.0 (* 5.0 (* v v))) (- (* v v) 1.0)))
  (* (* 5.0 v) v)
  (* (* 5.0 v) v)
  (* (* 5.0 v) v)
  (- (* 4.0 (+ (* v v) (pow v 4))) 1.0)
  (- (/ (- 4.0) (* v v)) (+ 5.0 (/ 4.0 (pow v 4))))
  (- (/ (- 4.0) (* v v)) (+ 5.0 (/ 4.0 (pow v 4))))
4.832 * * * [progress]: adding candidates to table
4.979 * * [progress]: iteration 2 / 4
4.980 * * * [progress]: picking best candidate
4.985 * * * * [pick]: Picked  #<alt (λ (v) (acos (* (sqrt (- 1.0 (* 5.0 (* v v)))) (/ (sqrt (- 1.0 (* 5.0 (* v v)))) (- (* v v) 1.0)))))>
4.985 * * * [progress]: localizing error
4.995 * * * [progress]: generating rewritten candidates
4.995 * * * * [progress]: [ 1 / 4 ] rewriting at (2)
4.995 * * * * [progress]: [ 2 / 4 ] rewriting at (2 1 2 1 1 2)
5.001 * * * * [progress]: [ 3 / 4 ] rewriting at (2 1 1 1 2)
5.008 * * * * [progress]: [ 4 / 4 ] rewriting at (2 1 2 1)
5.011 * * * [progress]: generating series expansions
5.011 * * * * [progress]: [ 1 / 4 ] generating series at (2)
5.012 * [approximate]: Taking taylor expansion of (acos (/ (- 1.0 (* 5.0 (pow v 2))) (- (pow v 2) 1.0))) in (v) around 0
5.012 * [taylor]: Taking taylor expansion of (acos (/ (- 1.0 (* 5.0 (pow v 2))) (- (pow v 2) 1.0))) in v
5.012 * [taylor]: Taking taylor expansion of (acos (/ (- 1.0 (* 5.0 (pow v 2))) (- (pow v 2) 1.0))) in v
5.013 * [approximate]: Taking taylor expansion of (acos (/ (- 1.0 (* 5.0 (/ 1 (pow v 2)))) (- (/ 1 (pow v 2)) 1.0))) in (v) around 0
5.013 * [taylor]: Taking taylor expansion of (acos (/ (- 1.0 (* 5.0 (/ 1 (pow v 2)))) (- (/ 1 (pow v 2)) 1.0))) in v
5.013 * [taylor]: Taking taylor expansion of (acos (/ (- 1.0 (* 5.0 (/ 1 (pow v 2)))) (- (/ 1 (pow v 2)) 1.0))) in v
5.014 * [approximate]: Taking taylor expansion of (acos (/ (- 1.0 (* 5.0 (/ 1 (pow v 2)))) (- (/ 1 (pow v 2)) 1.0))) in (v) around 0
5.014 * [taylor]: Taking taylor expansion of (acos (/ (- 1.0 (* 5.0 (/ 1 (pow v 2)))) (- (/ 1 (pow v 2)) 1.0))) in v
5.014 * [taylor]: Taking taylor expansion of (acos (/ (- 1.0 (* 5.0 (/ 1 (pow v 2)))) (- (/ 1 (pow v 2)) 1.0))) in v
5.015 * * * * [progress]: [ 2 / 4 ] generating series at (2 1 2 1 1 2)
5.015 * [approximate]: Taking taylor expansion of (* 5.0 (pow v 2)) in (v) around 0
5.015 * [taylor]: Taking taylor expansion of (* 5.0 (pow v 2)) in v
5.015 * [taylor]: Taking taylor expansion of 5.0 in v
5.015 * [taylor]: Taking taylor expansion of (pow v 2) in v
5.015 * [taylor]: Taking taylor expansion of v in v
5.015 * [taylor]: Taking taylor expansion of (* 5.0 (pow v 2)) in v
5.015 * [taylor]: Taking taylor expansion of 5.0 in v
5.015 * [taylor]: Taking taylor expansion of (pow v 2) in v
5.015 * [taylor]: Taking taylor expansion of v in v
5.024 * [approximate]: Taking taylor expansion of (/ 5.0 (pow v 2)) in (v) around 0
5.024 * [taylor]: Taking taylor expansion of (/ 5.0 (pow v 2)) in v
5.024 * [taylor]: Taking taylor expansion of 5.0 in v
5.024 * [taylor]: Taking taylor expansion of (pow v 2) in v
5.024 * [taylor]: Taking taylor expansion of v in v
5.024 * [taylor]: Taking taylor expansion of (/ 5.0 (pow v 2)) in v
5.024 * [taylor]: Taking taylor expansion of 5.0 in v
5.024 * [taylor]: Taking taylor expansion of (pow v 2) in v
5.024 * [taylor]: Taking taylor expansion of v in v
5.031 * [approximate]: Taking taylor expansion of (/ 5.0 (pow v 2)) in (v) around 0
5.031 * [taylor]: Taking taylor expansion of (/ 5.0 (pow v 2)) in v
5.031 * [taylor]: Taking taylor expansion of 5.0 in v
5.031 * [taylor]: Taking taylor expansion of (pow v 2) in v
5.031 * [taylor]: Taking taylor expansion of v in v
5.032 * [taylor]: Taking taylor expansion of (/ 5.0 (pow v 2)) in v
5.032 * [taylor]: Taking taylor expansion of 5.0 in v
5.032 * [taylor]: Taking taylor expansion of (pow v 2) in v
5.032 * [taylor]: Taking taylor expansion of v in v
5.039 * * * * [progress]: [ 3 / 4 ] generating series at (2 1 1 1 2)
5.039 * [approximate]: Taking taylor expansion of (* 5.0 (pow v 2)) in (v) around 0
5.039 * [taylor]: Taking taylor expansion of (* 5.0 (pow v 2)) in v
5.039 * [taylor]: Taking taylor expansion of 5.0 in v
5.039 * [taylor]: Taking taylor expansion of (pow v 2) in v
5.039 * [taylor]: Taking taylor expansion of v in v
5.039 * [taylor]: Taking taylor expansion of (* 5.0 (pow v 2)) in v
5.039 * [taylor]: Taking taylor expansion of 5.0 in v
5.040 * [taylor]: Taking taylor expansion of (pow v 2) in v
5.040 * [taylor]: Taking taylor expansion of v in v
5.050 * [approximate]: Taking taylor expansion of (/ 5.0 (pow v 2)) in (v) around 0
5.050 * [taylor]: Taking taylor expansion of (/ 5.0 (pow v 2)) in v
5.050 * [taylor]: Taking taylor expansion of 5.0 in v
5.050 * [taylor]: Taking taylor expansion of (pow v 2) in v
5.050 * [taylor]: Taking taylor expansion of v in v
5.051 * [taylor]: Taking taylor expansion of (/ 5.0 (pow v 2)) in v
5.051 * [taylor]: Taking taylor expansion of 5.0 in v
5.051 * [taylor]: Taking taylor expansion of (pow v 2) in v
5.051 * [taylor]: Taking taylor expansion of v in v
5.058 * [approximate]: Taking taylor expansion of (/ 5.0 (pow v 2)) in (v) around 0
5.058 * [taylor]: Taking taylor expansion of (/ 5.0 (pow v 2)) in v
5.058 * [taylor]: Taking taylor expansion of 5.0 in v
5.058 * [taylor]: Taking taylor expansion of (pow v 2) in v
5.058 * [taylor]: Taking taylor expansion of v in v
5.059 * [taylor]: Taking taylor expansion of (/ 5.0 (pow v 2)) in v
5.059 * [taylor]: Taking taylor expansion of 5.0 in v
5.059 * [taylor]: Taking taylor expansion of (pow v 2) in v
5.059 * [taylor]: Taking taylor expansion of v in v
5.066 * * * * [progress]: [ 4 / 4 ] generating series at (2 1 2 1)
5.066 * [approximate]: Taking taylor expansion of (sqrt (- 1.0 (* 5.0 (pow v 2)))) in (v) around 0
5.066 * [taylor]: Taking taylor expansion of (sqrt (- 1.0 (* 5.0 (pow v 2)))) in v
5.066 * [taylor]: Taking taylor expansion of (- 1.0 (* 5.0 (pow v 2))) in v
5.066 * [taylor]: Taking taylor expansion of 1.0 in v
5.066 * [taylor]: Taking taylor expansion of (* 5.0 (pow v 2)) in v
5.067 * [taylor]: Taking taylor expansion of 5.0 in v
5.067 * [taylor]: Taking taylor expansion of (pow v 2) in v
5.067 * [taylor]: Taking taylor expansion of v in v
5.068 * [taylor]: Taking taylor expansion of (sqrt (- 1.0 (* 5.0 (pow v 2)))) in v
5.068 * [taylor]: Taking taylor expansion of (- 1.0 (* 5.0 (pow v 2))) in v
5.068 * [taylor]: Taking taylor expansion of 1.0 in v
5.068 * [taylor]: Taking taylor expansion of (* 5.0 (pow v 2)) in v
5.068 * [taylor]: Taking taylor expansion of 5.0 in v
5.068 * [taylor]: Taking taylor expansion of (pow v 2) in v
5.068 * [taylor]: Taking taylor expansion of v in v
5.084 * [approximate]: Taking taylor expansion of (sqrt (- 1.0 (* 5.0 (/ 1 (pow v 2))))) in (v) around 0
5.084 * [taylor]: Taking taylor expansion of (sqrt (- 1.0 (* 5.0 (/ 1 (pow v 2))))) in v
5.084 * [taylor]: Taking taylor expansion of (- 1.0 (* 5.0 (/ 1 (pow v 2)))) in v
5.084 * [taylor]: Taking taylor expansion of 1.0 in v
5.084 * [taylor]: Taking taylor expansion of (* 5.0 (/ 1 (pow v 2))) in v
5.084 * [taylor]: Taking taylor expansion of 5.0 in v
5.084 * [taylor]: Taking taylor expansion of (/ 1 (pow v 2)) in v
5.084 * [taylor]: Taking taylor expansion of (pow v 2) in v
5.084 * [taylor]: Taking taylor expansion of v in v
5.088 * [taylor]: Taking taylor expansion of (sqrt (- 1.0 (* 5.0 (/ 1 (pow v 2))))) in v
5.088 * [taylor]: Taking taylor expansion of (- 1.0 (* 5.0 (/ 1 (pow v 2)))) in v
5.088 * [taylor]: Taking taylor expansion of 1.0 in v
5.088 * [taylor]: Taking taylor expansion of (* 5.0 (/ 1 (pow v 2))) in v
5.088 * [taylor]: Taking taylor expansion of 5.0 in v
5.088 * [taylor]: Taking taylor expansion of (/ 1 (pow v 2)) in v
5.088 * [taylor]: Taking taylor expansion of (pow v 2) in v
5.088 * [taylor]: Taking taylor expansion of v in v
5.112 * [approximate]: Taking taylor expansion of (sqrt (- 1.0 (* 5.0 (/ 1 (pow v 2))))) in (v) around 0
5.112 * [taylor]: Taking taylor expansion of (sqrt (- 1.0 (* 5.0 (/ 1 (pow v 2))))) in v
5.112 * [taylor]: Taking taylor expansion of (- 1.0 (* 5.0 (/ 1 (pow v 2)))) in v
5.112 * [taylor]: Taking taylor expansion of 1.0 in v
5.112 * [taylor]: Taking taylor expansion of (* 5.0 (/ 1 (pow v 2))) in v
5.112 * [taylor]: Taking taylor expansion of 5.0 in v
5.112 * [taylor]: Taking taylor expansion of (/ 1 (pow v 2)) in v
5.112 * [taylor]: Taking taylor expansion of (pow v 2) in v
5.112 * [taylor]: Taking taylor expansion of v in v
5.116 * [taylor]: Taking taylor expansion of (sqrt (- 1.0 (* 5.0 (/ 1 (pow v 2))))) in v
5.116 * [taylor]: Taking taylor expansion of (- 1.0 (* 5.0 (/ 1 (pow v 2)))) in v
5.116 * [taylor]: Taking taylor expansion of 1.0 in v
5.116 * [taylor]: Taking taylor expansion of (* 5.0 (/ 1 (pow v 2))) in v
5.116 * [taylor]: Taking taylor expansion of 5.0 in v
5.116 * [taylor]: Taking taylor expansion of (/ 1 (pow v 2)) in v
5.116 * [taylor]: Taking taylor expansion of (pow v 2) in v
5.116 * [taylor]: Taking taylor expansion of v in v
5.142 * * * [progress]: simplifying candidates
5.143 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (/ PI 2)
  (asin (* (sqrt (- 1.0 (* 5.0 (* v v)))) (/ (sqrt (- 1.0 (* 5.0 (* v v)))) (- (* v v) 1.0))))
  (log (acos (* (sqrt (- 1.0 (* 5.0 (* v v)))) (/ (sqrt (- 1.0 (* 5.0 (* v v)))) (- (* v v) 1.0)))))
  (exp (acos (* (sqrt (- 1.0 (* 5.0 (* v v)))) (/ (sqrt (- 1.0 (* 5.0 (* v v)))) (- (* v v) 1.0)))))
  (* (cbrt (acos (* (sqrt (- 1.0 (* 5.0 (* v v)))) (/ (sqrt (- 1.0 (* 5.0 (* v v)))) (- (* v v) 1.0))))) (cbrt (acos (* (sqrt (- 1.0 (* 5.0 (* v v)))) (/ (sqrt (- 1.0 (* 5.0 (* v v)))) (- (* v v) 1.0))))))
  (cbrt (acos (* (sqrt (- 1.0 (* 5.0 (* v v)))) (/ (sqrt (- 1.0 (* 5.0 (* v v)))) (- (* v v) 1.0)))))
  (* (* (acos (* (sqrt (- 1.0 (* 5.0 (* v v)))) (/ (sqrt (- 1.0 (* 5.0 (* v v)))) (- (* v v) 1.0)))) (acos (* (sqrt (- 1.0 (* 5.0 (* v v)))) (/ (sqrt (- 1.0 (* 5.0 (* v v)))) (- (* v v) 1.0))))) (acos (* (sqrt (- 1.0 (* 5.0 (* v v)))) (/ (sqrt (- 1.0 (* 5.0 (* v v)))) (- (* v v) 1.0)))))
  (sqrt (acos (* (sqrt (- 1.0 (* 5.0 (* v v)))) (/ (sqrt (- 1.0 (* 5.0 (* v v)))) (- (* v v) 1.0)))))
  (sqrt (acos (* (sqrt (- 1.0 (* 5.0 (* v v)))) (/ (sqrt (- 1.0 (* 5.0 (* v v)))) (- (* v v) 1.0)))))
  (* 5.0 (* v v))
  (* 5.0 (* v v))
  (+ (log 5.0) (+ (log v) (log v)))
  (+ (log 5.0) (log (* v v)))
  (log (* 5.0 (* v v)))
  (exp (* 5.0 (* v v)))
  (* (* (* 5.0 5.0) 5.0) (* (* (* v v) v) (* (* v v) v)))
  (* (* (* 5.0 5.0) 5.0) (* (* (* v v) (* v v)) (* v v)))
  (* (cbrt (* 5.0 (* v v))) (cbrt (* 5.0 (* v v))))
  (cbrt (* 5.0 (* v v)))
  (* (* (* 5.0 (* v v)) (* 5.0 (* v v))) (* 5.0 (* v v)))
  (sqrt (* 5.0 (* v v)))
  (sqrt (* 5.0 (* v v)))
  (* (sqrt 5.0) v)
  (* (sqrt 5.0) v)
  (* 5.0 v)
  (* (cbrt 5.0) (* v v))
  (* (sqrt 5.0) (* v v))
  (* 5.0 (* v v))
  (* 5.0 (* v v))
  (* 5.0 (* v v))
  (+ (log 5.0) (+ (log v) (log v)))
  (+ (log 5.0) (log (* v v)))
  (log (* 5.0 (* v v)))
  (exp (* 5.0 (* v v)))
  (* (* (* 5.0 5.0) 5.0) (* (* (* v v) v) (* (* v v) v)))
  (* (* (* 5.0 5.0) 5.0) (* (* (* v v) (* v v)) (* v v)))
  (* (cbrt (* 5.0 (* v v))) (cbrt (* 5.0 (* v v))))
  (cbrt (* 5.0 (* v v)))
  (* (* (* 5.0 (* v v)) (* 5.0 (* v v))) (* 5.0 (* v v)))
  (sqrt (* 5.0 (* v v)))
  (sqrt (* 5.0 (* v v)))
  (* (sqrt 5.0) v)
  (* (sqrt 5.0) v)
  (* 5.0 v)
  (* (cbrt 5.0) (* v v))
  (* (sqrt 5.0) (* v v))
  (* 5.0 (* v v))
  (log (sqrt (- 1.0 (* 5.0 (* v v)))))
  (exp (sqrt (- 1.0 (* 5.0 (* v v)))))
  (* (cbrt (sqrt (- 1.0 (* 5.0 (* v v))))) (cbrt (sqrt (- 1.0 (* 5.0 (* v v))))))
  (cbrt (sqrt (- 1.0 (* 5.0 (* v v)))))
  (* (* (sqrt (- 1.0 (* 5.0 (* v v)))) (sqrt (- 1.0 (* 5.0 (* v v))))) (sqrt (- 1.0 (* 5.0 (* v v)))))
  (sqrt (* (cbrt (- 1.0 (* 5.0 (* v v)))) (cbrt (- 1.0 (* 5.0 (* v v))))))
  (sqrt (cbrt (- 1.0 (* 5.0 (* v v)))))
  (sqrt (sqrt (- 1.0 (* 5.0 (* v v)))))
  (sqrt (sqrt (- 1.0 (* 5.0 (* v v)))))
  (sqrt 1)
  (sqrt (- 1.0 (* 5.0 (* v v))))
  (sqrt (- (pow 1.0 3) (pow (* 5.0 (* v v)) 3)))
  (sqrt (+ (* 1.0 1.0) (+ (* (* 5.0 (* v v)) (* 5.0 (* v v))) (* 1.0 (* 5.0 (* v v))))))
  (sqrt (- (* 1.0 1.0) (* (* 5.0 (* v v)) (* 5.0 (* v v)))))
  (sqrt (+ 1.0 (* 5.0 (* v v))))
  (/ 1 2)
  (sqrt (sqrt (- 1.0 (* 5.0 (* v v)))))
  (sqrt (sqrt (- 1.0 (* 5.0 (* v v)))))
  (acos (/ (- 1.0 (* 5.0 (pow v 2))) (- (pow v 2) 1.0)))
  (acos (/ (- 1.0 (* 5.0 (pow v 2))) (- (pow v 2) 1.0)))
  (acos (/ (- 1.0 (* 5.0 (pow v 2))) (- (pow v 2) 1.0)))
  (* 5.0 (pow v 2))
  (* 5.0 (pow v 2))
  (* 5.0 (pow v 2))
  (* 5.0 (pow v 2))
  (* 5.0 (pow v 2))
  (* 5.0 (pow v 2))
  (- (sqrt 1.0) (+ (* 2.5 (/ (pow v 2) (sqrt 1.0))) (* 3.125 (/ (pow v 4) (pow (sqrt 1.0) 3)))))
  (- (+ (* v (sqrt (- 5.0))) (* 0.5 (/ 1 (* v (sqrt (- 5.0)))))) (* 0.125 (/ 1 (* (pow v 3) (pow (sqrt (- 5.0)) 3)))))
  (- (* 0.125 (/ 1 (* (pow v 3) (pow (sqrt (- 5.0)) 3)))) (+ (* v (sqrt (- 5.0))) (* 0.5 (/ 1 (* v (sqrt (- 5.0)))))))
5.146 * * [simplify]: iteration  0 :  110  enodes  (cost  931 )
5.165 * * [simplify]: iteration  1 :  246  enodes  (cost  747 )
5.222 * * [simplify]: iteration  2 :  713  enodes  (cost  681 )
5.680 * * [simplify]: iteration  3 :  3102  enodes  (cost  681 )
6.581 * * [simplify]: iteration  done :  5000  enodes  (cost  681 )
6.582 * [simplify]: Simplified to:
   (/ PI 2)
  (asin (/ (- 1.0 (* 5.0 (pow v 2))) (- (* v v) 1.0)))
  (log (acos (/ (- 1.0 (* 5.0 (pow v 2))) (- (* v v) 1.0))))
  (exp (acos (/ (- 1.0 (* 5.0 (pow v 2))) (- (* v v) 1.0))))
  (* (cbrt (acos (/ (- 1.0 (* 5.0 (pow v 2))) (- (* v v) 1.0)))) (cbrt (acos (/ (- 1.0 (* 5.0 (pow v 2))) (- (* v v) 1.0)))))
  (cbrt (acos (/ (- 1.0 (* 5.0 (pow v 2))) (- (* v v) 1.0))))
  (pow (acos (/ (- 1.0 (* 5.0 (pow v 2))) (- (* v v) 1.0))) 3)
  (sqrt (acos (/ (- 1.0 (* 5.0 (pow v 2))) (- (* v v) 1.0))))
  (sqrt (acos (/ (- 1.0 (* 5.0 (pow v 2))) (- (* v v) 1.0))))
  (* 5.0 (* v v))
  (* 5.0 (* v v))
  (log (* 5.0 (* v v)))
  (log (* 5.0 (* v v)))
  (log (* 5.0 (* v v)))
  (exp (* 5.0 (* v v)))
  (pow (* 5.0 (pow v 2)) 3)
  (pow (* 5.0 (pow v 2)) 3)
  (* (cbrt (* 5.0 (* v v))) (cbrt (* 5.0 (* v v))))
  (cbrt (* 5.0 (* v v)))
  (pow (* 5.0 (pow v 2)) 3)
  (sqrt (* 5.0 (* v v)))
  (sqrt (* 5.0 (* v v)))
  (* (sqrt 5.0) v)
  (* (sqrt 5.0) v)
  (* 5.0 v)
  (* (cbrt 5.0) (* v v))
  (* (sqrt 5.0) (* v v))
  (* 5.0 (* v v))
  (* 5.0 (* v v))
  (* 5.0 (* v v))
  (log (* 5.0 (* v v)))
  (log (* 5.0 (* v v)))
  (log (* 5.0 (* v v)))
  (exp (* 5.0 (* v v)))
  (pow (* 5.0 (pow v 2)) 3)
  (pow (* 5.0 (pow v 2)) 3)
  (* (cbrt (* 5.0 (* v v))) (cbrt (* 5.0 (* v v))))
  (cbrt (* 5.0 (* v v)))
  (pow (* 5.0 (pow v 2)) 3)
  (sqrt (* 5.0 (* v v)))
  (sqrt (* 5.0 (* v v)))
  (* (sqrt 5.0) v)
  (* (sqrt 5.0) v)
  (* 5.0 v)
  (* (cbrt 5.0) (* v v))
  (* (sqrt 5.0) (* v v))
  (* 5.0 (* v v))
  (log (sqrt (- 1.0 (* 5.0 (* v v)))))
  (exp (sqrt (- 1.0 (* 5.0 (* v v)))))
  (* (cbrt (sqrt (- 1.0 (* 5.0 (* v v))))) (cbrt (sqrt (- 1.0 (* 5.0 (* v v))))))
  (cbrt (sqrt (- 1.0 (* 5.0 (* v v)))))
  (pow (sqrt (- 1.0 (* 5.0 (* v v)))) 3)
  (fabs (cbrt (- 1.0 (* 5.0 (* v v)))))
  (sqrt (cbrt (- 1.0 (* 5.0 (* v v)))))
  (sqrt (sqrt (- 1.0 (* 5.0 (* v v)))))
  (sqrt (sqrt (- 1.0 (* 5.0 (* v v)))))
  1
  (sqrt (- 1.0 (* 5.0 (* v v))))
  (sqrt (- (pow 1.0 3) (pow (* 5.0 (* v v)) 3)))
  (sqrt (+ (* 1.0 1.0) (* (* 5.0 (pow v 2)) (+ 1.0 (* 5.0 (* v v))))))
  (sqrt (- (* 1.0 1.0) (* (* 5.0 5.0) (pow v 4))))
  (sqrt (+ 1.0 (* 5.0 (* v v))))
  1/2
  (sqrt (sqrt (- 1.0 (* 5.0 (* v v)))))
  (sqrt (sqrt (- 1.0 (* 5.0 (* v v)))))
  (acos (/ (- 1.0 (* 5.0 (pow v 2))) (- (* v v) 1.0)))
  (acos (/ (- 1.0 (* 5.0 (pow v 2))) (- (* v v) 1.0)))
  (acos (/ (- 1.0 (* 5.0 (pow v 2))) (- (* v v) 1.0)))
  (* 5.0 (* v v))
  (* 5.0 (* v v))
  (* 5.0 (* v v))
  (* 5.0 (* v v))
  (* 5.0 (* v v))
  (* 5.0 (* v v))
  (- (sqrt 1.0) (+ (* 2.5 (/ (pow v 2) (sqrt 1.0))) (* 3.125 (/ (pow v 4) (pow (sqrt 1.0) 3)))))
  (+ (/ 0.5 (* v (sqrt (- 5.0)))) (- (* v (sqrt (- 5.0))) (/ 0.125 (* (pow v 3) (pow (sqrt (- 5.0)) 3)))))
  (- (- (/ 0.125 (* (pow v 3) (pow (sqrt (- 5.0)) 3))) (* v (sqrt (- 5.0)))) (/ 0.5 (* v (sqrt (- 5.0)))))
6.582 * * * [progress]: adding candidates to table
6.746 * * [progress]: iteration 3 / 4
6.747 * * * [progress]: picking best candidate
6.750 * * * * [pick]: Picked  #<alt (λ (v) (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0)))>
6.751 * * * [progress]: localizing error
6.759 * * * [progress]: generating rewritten candidates
6.759 * * * * [progress]: [ 1 / 3 ] rewriting at (2)
6.759 * * * * [progress]: [ 2 / 3 ] rewriting at (2 1 1)
6.776 * * * * [progress]: [ 3 / 3 ] rewriting at (2 1 1 2)
6.782 * * * [progress]: generating series expansions
6.782 * * * * [progress]: [ 1 / 3 ] generating series at (2)
6.782 * [approximate]: Taking taylor expansion of (acos (- (+ (* 4.0 (pow v 2)) (* 4.0 (pow v 4))) 1.0)) in (v) around 0
6.782 * [taylor]: Taking taylor expansion of (acos (- (+ (* 4.0 (pow v 2)) (* 4.0 (pow v 4))) 1.0)) in v
6.782 * [taylor]: Taking taylor expansion of (acos (- (+ (* 4.0 (pow v 2)) (* 4.0 (pow v 4))) 1.0)) in v
6.783 * [approximate]: Taking taylor expansion of (acos (- (+ (* 4.0 (/ 1 (pow v 4))) (* 4.0 (/ 1 (pow v 2)))) 1.0)) in (v) around 0
6.784 * [taylor]: Taking taylor expansion of (acos (- (+ (* 4.0 (/ 1 (pow v 4))) (* 4.0 (/ 1 (pow v 2)))) 1.0)) in v
6.784 * [taylor]: Taking taylor expansion of (acos (- (+ (* 4.0 (/ 1 (pow v 4))) (* 4.0 (/ 1 (pow v 2)))) 1.0)) in v
6.785 * [approximate]: Taking taylor expansion of (acos (- (+ (* 4.0 (/ 1 (pow v 4))) (* 4.0 (/ 1 (pow v 2)))) 1.0)) in (v) around 0
6.785 * [taylor]: Taking taylor expansion of (acos (- (+ (* 4.0 (/ 1 (pow v 4))) (* 4.0 (/ 1 (pow v 2)))) 1.0)) in v
6.785 * [taylor]: Taking taylor expansion of (acos (- (+ (* 4.0 (/ 1 (pow v 4))) (* 4.0 (/ 1 (pow v 2)))) 1.0)) in v
6.786 * * * * [progress]: [ 2 / 3 ] generating series at (2 1 1)
6.786 * [approximate]: Taking taylor expansion of (* 4.0 (+ (pow v 2) (pow v 4))) in (v) around 0
6.786 * [taylor]: Taking taylor expansion of (* 4.0 (+ (pow v 2) (pow v 4))) in v
6.786 * [taylor]: Taking taylor expansion of 4.0 in v
6.786 * [taylor]: Taking taylor expansion of (+ (pow v 2) (pow v 4)) in v
6.786 * [taylor]: Taking taylor expansion of (pow v 2) in v
6.786 * [taylor]: Taking taylor expansion of v in v
6.786 * [taylor]: Taking taylor expansion of (pow v 4) in v
6.786 * [taylor]: Taking taylor expansion of v in v
6.786 * [taylor]: Taking taylor expansion of (* 4.0 (+ (pow v 2) (pow v 4))) in v
6.786 * [taylor]: Taking taylor expansion of 4.0 in v
6.786 * [taylor]: Taking taylor expansion of (+ (pow v 2) (pow v 4)) in v
6.786 * [taylor]: Taking taylor expansion of (pow v 2) in v
6.786 * [taylor]: Taking taylor expansion of v in v
6.786 * [taylor]: Taking taylor expansion of (pow v 4) in v
6.786 * [taylor]: Taking taylor expansion of v in v
6.810 * [approximate]: Taking taylor expansion of (* 4.0 (+ (/ 1 (pow v 4)) (/ 1 (pow v 2)))) in (v) around 0
6.810 * [taylor]: Taking taylor expansion of (* 4.0 (+ (/ 1 (pow v 4)) (/ 1 (pow v 2)))) in v
6.810 * [taylor]: Taking taylor expansion of 4.0 in v
6.810 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow v 4)) (/ 1 (pow v 2))) in v
6.810 * [taylor]: Taking taylor expansion of (/ 1 (pow v 4)) in v
6.810 * [taylor]: Taking taylor expansion of (pow v 4) in v
6.810 * [taylor]: Taking taylor expansion of v in v
6.811 * [taylor]: Taking taylor expansion of (/ 1 (pow v 2)) in v
6.811 * [taylor]: Taking taylor expansion of (pow v 2) in v
6.811 * [taylor]: Taking taylor expansion of v in v
6.812 * [taylor]: Taking taylor expansion of (* 4.0 (+ (/ 1 (pow v 4)) (/ 1 (pow v 2)))) in v
6.812 * [taylor]: Taking taylor expansion of 4.0 in v
6.812 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow v 4)) (/ 1 (pow v 2))) in v
6.812 * [taylor]: Taking taylor expansion of (/ 1 (pow v 4)) in v
6.812 * [taylor]: Taking taylor expansion of (pow v 4) in v
6.812 * [taylor]: Taking taylor expansion of v in v
6.812 * [taylor]: Taking taylor expansion of (/ 1 (pow v 2)) in v
6.812 * [taylor]: Taking taylor expansion of (pow v 2) in v
6.812 * [taylor]: Taking taylor expansion of v in v
6.842 * [approximate]: Taking taylor expansion of (* 4.0 (+ (/ 1 (pow v 4)) (/ 1 (pow v 2)))) in (v) around 0
6.842 * [taylor]: Taking taylor expansion of (* 4.0 (+ (/ 1 (pow v 4)) (/ 1 (pow v 2)))) in v
6.842 * [taylor]: Taking taylor expansion of 4.0 in v
6.842 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow v 4)) (/ 1 (pow v 2))) in v
6.842 * [taylor]: Taking taylor expansion of (/ 1 (pow v 4)) in v
6.842 * [taylor]: Taking taylor expansion of (pow v 4) in v
6.842 * [taylor]: Taking taylor expansion of v in v
6.843 * [taylor]: Taking taylor expansion of (/ 1 (pow v 2)) in v
6.843 * [taylor]: Taking taylor expansion of (pow v 2) in v
6.843 * [taylor]: Taking taylor expansion of v in v
6.844 * [taylor]: Taking taylor expansion of (* 4.0 (+ (/ 1 (pow v 4)) (/ 1 (pow v 2)))) in v
6.844 * [taylor]: Taking taylor expansion of 4.0 in v
6.844 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow v 4)) (/ 1 (pow v 2))) in v
6.844 * [taylor]: Taking taylor expansion of (/ 1 (pow v 4)) in v
6.844 * [taylor]: Taking taylor expansion of (pow v 4) in v
6.844 * [taylor]: Taking taylor expansion of v in v
6.844 * [taylor]: Taking taylor expansion of (/ 1 (pow v 2)) in v
6.844 * [taylor]: Taking taylor expansion of (pow v 2) in v
6.844 * [taylor]: Taking taylor expansion of v in v
6.873 * * * * [progress]: [ 3 / 3 ] generating series at (2 1 1 2)
6.874 * [approximate]: Taking taylor expansion of (+ (pow v 2) (pow v 4)) in (v) around 0
6.874 * [taylor]: Taking taylor expansion of (+ (pow v 2) (pow v 4)) in v
6.874 * [taylor]: Taking taylor expansion of (pow v 2) in v
6.874 * [taylor]: Taking taylor expansion of v in v
6.874 * [taylor]: Taking taylor expansion of (pow v 4) in v
6.874 * [taylor]: Taking taylor expansion of v in v
6.874 * [taylor]: Taking taylor expansion of (+ (pow v 2) (pow v 4)) in v
6.874 * [taylor]: Taking taylor expansion of (pow v 2) in v
6.874 * [taylor]: Taking taylor expansion of v in v
6.874 * [taylor]: Taking taylor expansion of (pow v 4) in v
6.874 * [taylor]: Taking taylor expansion of v in v
6.892 * [approximate]: Taking taylor expansion of (+ (/ 1 (pow v 4)) (/ 1 (pow v 2))) in (v) around 0
6.892 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow v 4)) (/ 1 (pow v 2))) in v
6.892 * [taylor]: Taking taylor expansion of (/ 1 (pow v 4)) in v
6.892 * [taylor]: Taking taylor expansion of (pow v 4) in v
6.892 * [taylor]: Taking taylor expansion of v in v
6.892 * [taylor]: Taking taylor expansion of (/ 1 (pow v 2)) in v
6.892 * [taylor]: Taking taylor expansion of (pow v 2) in v
6.892 * [taylor]: Taking taylor expansion of v in v
6.893 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow v 4)) (/ 1 (pow v 2))) in v
6.893 * [taylor]: Taking taylor expansion of (/ 1 (pow v 4)) in v
6.893 * [taylor]: Taking taylor expansion of (pow v 4) in v
6.893 * [taylor]: Taking taylor expansion of v in v
6.894 * [taylor]: Taking taylor expansion of (/ 1 (pow v 2)) in v
6.894 * [taylor]: Taking taylor expansion of (pow v 2) in v
6.894 * [taylor]: Taking taylor expansion of v in v
6.916 * [approximate]: Taking taylor expansion of (+ (/ 1 (pow v 4)) (/ 1 (pow v 2))) in (v) around 0
6.916 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow v 4)) (/ 1 (pow v 2))) in v
6.916 * [taylor]: Taking taylor expansion of (/ 1 (pow v 4)) in v
6.916 * [taylor]: Taking taylor expansion of (pow v 4) in v
6.916 * [taylor]: Taking taylor expansion of v in v
6.917 * [taylor]: Taking taylor expansion of (/ 1 (pow v 2)) in v
6.917 * [taylor]: Taking taylor expansion of (pow v 2) in v
6.917 * [taylor]: Taking taylor expansion of v in v
6.918 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow v 4)) (/ 1 (pow v 2))) in v
6.918 * [taylor]: Taking taylor expansion of (/ 1 (pow v 4)) in v
6.918 * [taylor]: Taking taylor expansion of (pow v 4) in v
6.918 * [taylor]: Taking taylor expansion of v in v
6.918 * [taylor]: Taking taylor expansion of (/ 1 (pow v 2)) in v
6.918 * [taylor]: Taking taylor expansion of (pow v 2) in v
6.918 * [taylor]: Taking taylor expansion of v in v
6.941 * * * [progress]: simplifying candidates
6.942 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (/ PI 2)
  (asin (- (* 4.0 (+ (* v v) (pow v 4))) 1.0))
  (log (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0)))
  (exp (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0)))
  (* (cbrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0))) (cbrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0))))
  (cbrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0)))
  (* (* (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0)) (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0))) (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0)))
  (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0)))
  (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0)))
  (* 4.0 (+ (* v v) (pow v 4)))
  (+ (log 4.0) (log (+ (* v v) (pow v 4))))
  (log (* 4.0 (+ (* v v) (pow v 4))))
  (exp (* 4.0 (+ (* v v) (pow v 4))))
  (* (* (* 4.0 4.0) 4.0) (* (* (+ (* v v) (pow v 4)) (+ (* v v) (pow v 4))) (+ (* v v) (pow v 4))))
  (* (cbrt (* 4.0 (+ (* v v) (pow v 4)))) (cbrt (* 4.0 (+ (* v v) (pow v 4)))))
  (cbrt (* 4.0 (+ (* v v) (pow v 4))))
  (* (* (* 4.0 (+ (* v v) (pow v 4))) (* 4.0 (+ (* v v) (pow v 4)))) (* 4.0 (+ (* v v) (pow v 4))))
  (sqrt (* 4.0 (+ (* v v) (pow v 4))))
  (sqrt (* 4.0 (+ (* v v) (pow v 4))))
  (* (sqrt 4.0) (sqrt (+ (* v v) (pow v 4))))
  (* (sqrt 4.0) (sqrt (+ (* v v) (pow v 4))))
  (* 4.0 (* v v))
  (* 4.0 (pow v 4))
  (* (* v v) 4.0)
  (* (pow v 4) 4.0)
  (* 4.0 (* (cbrt (+ (* v v) (pow v 4))) (cbrt (+ (* v v) (pow v 4)))))
  (* 4.0 (sqrt (+ (* v v) (pow v 4))))
  (* 4.0 1)
  (* (cbrt 4.0) (+ (* v v) (pow v 4)))
  (* (sqrt 4.0) (+ (* v v) (pow v 4)))
  (* 4.0 (+ (* v v) (pow v 4)))
  (* 4.0 (+ (pow (* v v) 3) (pow (pow v 4) 3)))
  (* 4.0 (- (* (* v v) (* v v)) (* (pow v 4) (pow v 4))))
  (* (exp (* v v)) (exp (pow v 4)))
  (log (+ (* v v) (pow v 4)))
  (exp (+ (* v v) (pow v 4)))
  (* (cbrt (+ (* v v) (pow v 4))) (cbrt (+ (* v v) (pow v 4))))
  (cbrt (+ (* v v) (pow v 4)))
  (* (* (+ (* v v) (pow v 4)) (+ (* v v) (pow v 4))) (+ (* v v) (pow v 4)))
  (sqrt (+ (* v v) (pow v 4)))
  (sqrt (+ (* v v) (pow v 4)))
  (+ (pow (* v v) 3) (pow (pow v 4) 3))
  (+ (* (* v v) (* v v)) (- (* (pow v 4) (pow v 4)) (* (* v v) (pow v 4))))
  (- (* (* v v) (* v v)) (* (pow v 4) (pow v 4)))
  (- (* v v) (pow v 4))
  (acos (- (+ (* 4.0 (pow v 2)) (* 4.0 (pow v 4))) 1.0))
  (acos (- (+ (* 4.0 (pow v 2)) (* 4.0 (pow v 4))) 1.0))
  (acos (- (+ (* 4.0 (pow v 2)) (* 4.0 (pow v 4))) 1.0))
  (+ (* 4.0 (pow v 2)) (* 4.0 (pow v 4)))
  (+ (* 4.0 (pow v 2)) (* 4.0 (pow v 4)))
  (+ (* 4.0 (pow v 2)) (* 4.0 (pow v 4)))
  (+ (pow v 2) (pow v 4))
  (+ (pow v 2) (pow v 4))
  (+ (pow v 2) (pow v 4))
6.944 * * [simplify]: iteration  0 :  75  enodes  (cost  668 )
6.965 * * [simplify]: iteration  1 :  196  enodes  (cost  626 )
7.014 * * [simplify]: iteration  2 :  619  enodes  (cost  546 )
7.591 * * [simplify]: iteration  3 :  2915  enodes  (cost  542 )
9.135 * * [simplify]: iteration  done :  5001  enodes  (cost  542 )
9.136 * [simplify]: Simplified to:
   (/ PI 2)
  (asin (- (* 4.0 (+ (* v v) (pow v 4))) 1.0))
  (log (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0)))
  (exp (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0)))
  (* (cbrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0))) (cbrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0))))
  (cbrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0)))
  (pow (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0)) 3)
  (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0)))
  (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0)))
  (* 4.0 (+ (* v v) (pow v 4)))
  (log (* 4.0 (+ (* v v) (pow v 4))))
  (log (* 4.0 (+ (* v v) (pow v 4))))
  (exp (* 4.0 (+ (* v v) (pow v 4))))
  (pow (* 4.0 (+ (* v v) (pow v 4))) 3)
  (* (cbrt (* 4.0 (+ (* v v) (pow v 4)))) (cbrt (* 4.0 (+ (* v v) (pow v 4)))))
  (cbrt (* 4.0 (+ (* v v) (pow v 4))))
  (pow (* 4.0 (+ (* v v) (pow v 4))) 3)
  (sqrt (* 4.0 (+ (* v v) (pow v 4))))
  (sqrt (* 4.0 (+ (* v v) (pow v 4))))
  (* (sqrt 4.0) (sqrt (+ (* v v) (pow v 4))))
  (* (sqrt 4.0) (sqrt (+ (* v v) (pow v 4))))
  (* 4.0 (* v v))
  (* 4.0 (pow v 4))
  (* 4.0 (* v v))
  (* 4.0 (pow v 4))
  (* 4.0 (* (cbrt (+ (* v v) (pow v 4))) (cbrt (+ (* v v) (pow v 4)))))
  (* 4.0 (sqrt (+ (* v v) (pow v 4))))
  4.0
  (* (cbrt 4.0) (+ (* v v) (pow v 4)))
  (* (sqrt 4.0) (+ (* v v) (pow v 4)))
  (* 4.0 (+ (* v v) (pow v 4)))
  (* 4.0 (+ (pow v 6) (pow v 12)))
  (* 4.0 (- (pow v 4) (pow v 8)))
  (exp (+ (* v v) (pow v 4)))
  (log (+ (* v v) (pow v 4)))
  (exp (+ (* v v) (pow v 4)))
  (* (cbrt (+ (* v v) (pow v 4))) (cbrt (+ (* v v) (pow v 4))))
  (cbrt (+ (* v v) (pow v 4)))
  (pow (+ (* v v) (pow v 4)) 3)
  (sqrt (+ (* v v) (pow v 4)))
  (sqrt (+ (* v v) (pow v 4)))
  (+ (pow v 6) (pow v 12))
  (+ (- (pow v 8) (pow v 6)) (pow v 4))
  (- (pow v 4) (pow v 8))
  (- (* v v) (pow v 4))
  (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0))
  (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0))
  (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0))
  (* 4.0 (+ (* v v) (pow v 4)))
  (* 4.0 (+ (* v v) (pow v 4)))
  (* 4.0 (+ (* v v) (pow v 4)))
  (+ (* v v) (pow v 4))
  (+ (* v v) (pow v 4))
  (+ (* v v) (pow v 4))
9.136 * * * [progress]: adding candidates to table
9.237 * * [progress]: iteration 4 / 4
9.237 * * * [progress]: picking best candidate
9.241 * * * * [pick]: Picked  #<alt (λ (v) (* (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0))) (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0)))))>
9.241 * * * [progress]: localizing error
9.252 * * * [progress]: generating rewritten candidates
9.252 * * * * [progress]: [ 1 / 4 ] rewriting at (2)
9.259 * * * * [progress]: [ 2 / 4 ] rewriting at (2 2)
9.259 * * * * [progress]: [ 3 / 4 ] rewriting at (2 1)
9.260 * * * * [progress]: [ 4 / 4 ] rewriting at (2 2 1)
9.262 * * * [progress]: generating series expansions
9.262 * * * * [progress]: [ 1 / 4 ] generating series at (2)
9.263 * [approximate]: Taking taylor expansion of (acos (- (+ (* 4.0 (pow v 2)) (* 4.0 (pow v 4))) 1.0)) in (v) around 0
9.263 * [taylor]: Taking taylor expansion of (acos (- (+ (* 4.0 (pow v 2)) (* 4.0 (pow v 4))) 1.0)) in v
9.263 * [taylor]: Taking taylor expansion of (acos (- (+ (* 4.0 (pow v 2)) (* 4.0 (pow v 4))) 1.0)) in v
9.264 * [approximate]: Taking taylor expansion of (acos (- (+ (* 4.0 (/ 1 (pow v 4))) (* 4.0 (/ 1 (pow v 2)))) 1.0)) in (v) around 0
9.264 * [taylor]: Taking taylor expansion of (acos (- (+ (* 4.0 (/ 1 (pow v 4))) (* 4.0 (/ 1 (pow v 2)))) 1.0)) in v
9.265 * [taylor]: Taking taylor expansion of (acos (- (+ (* 4.0 (/ 1 (pow v 4))) (* 4.0 (/ 1 (pow v 2)))) 1.0)) in v
9.266 * [approximate]: Taking taylor expansion of (acos (- (+ (* 4.0 (/ 1 (pow v 4))) (* 4.0 (/ 1 (pow v 2)))) 1.0)) in (v) around 0
9.266 * [taylor]: Taking taylor expansion of (acos (- (+ (* 4.0 (/ 1 (pow v 4))) (* 4.0 (/ 1 (pow v 2)))) 1.0)) in v
9.266 * [taylor]: Taking taylor expansion of (acos (- (+ (* 4.0 (/ 1 (pow v 4))) (* 4.0 (/ 1 (pow v 2)))) 1.0)) in v
9.267 * * * * [progress]: [ 2 / 4 ] generating series at (2 2)
9.267 * [approximate]: Taking taylor expansion of (sqrt (acos (- (+ (* 4.0 (pow v 2)) (* 4.0 (pow v 4))) 1.0))) in (v) around 0
9.267 * [taylor]: Taking taylor expansion of (sqrt (acos (- (+ (* 4.0 (pow v 2)) (* 4.0 (pow v 4))) 1.0))) in v
9.267 * [taylor]: Taking taylor expansion of (acos (- (+ (* 4.0 (pow v 2)) (* 4.0 (pow v 4))) 1.0)) in v
9.268 * [taylor]: Taking taylor expansion of (sqrt (acos (- (+ (* 4.0 (pow v 2)) (* 4.0 (pow v 4))) 1.0))) in v
9.268 * [taylor]: Taking taylor expansion of (acos (- (+ (* 4.0 (pow v 2)) (* 4.0 (pow v 4))) 1.0)) in v
9.273 * [approximate]: Taking taylor expansion of (sqrt (acos (- (+ (* 4.0 (/ 1 (pow v 4))) (* 4.0 (/ 1 (pow v 2)))) 1.0))) in (v) around 0
9.273 * [taylor]: Taking taylor expansion of (sqrt (acos (- (+ (* 4.0 (/ 1 (pow v 4))) (* 4.0 (/ 1 (pow v 2)))) 1.0))) in v
9.273 * [taylor]: Taking taylor expansion of (acos (- (+ (* 4.0 (/ 1 (pow v 4))) (* 4.0 (/ 1 (pow v 2)))) 1.0)) in v
9.274 * [taylor]: Taking taylor expansion of (sqrt (acos (- (+ (* 4.0 (/ 1 (pow v 4))) (* 4.0 (/ 1 (pow v 2)))) 1.0))) in v
9.274 * [taylor]: Taking taylor expansion of (acos (- (+ (* 4.0 (/ 1 (pow v 4))) (* 4.0 (/ 1 (pow v 2)))) 1.0)) in v
9.279 * [approximate]: Taking taylor expansion of (sqrt (acos (- (+ (* 4.0 (/ 1 (pow v 4))) (* 4.0 (/ 1 (pow v 2)))) 1.0))) in (v) around 0
9.279 * [taylor]: Taking taylor expansion of (sqrt (acos (- (+ (* 4.0 (/ 1 (pow v 4))) (* 4.0 (/ 1 (pow v 2)))) 1.0))) in v
9.279 * [taylor]: Taking taylor expansion of (acos (- (+ (* 4.0 (/ 1 (pow v 4))) (* 4.0 (/ 1 (pow v 2)))) 1.0)) in v
9.280 * [taylor]: Taking taylor expansion of (sqrt (acos (- (+ (* 4.0 (/ 1 (pow v 4))) (* 4.0 (/ 1 (pow v 2)))) 1.0))) in v
9.280 * [taylor]: Taking taylor expansion of (acos (- (+ (* 4.0 (/ 1 (pow v 4))) (* 4.0 (/ 1 (pow v 2)))) 1.0)) in v
9.285 * * * * [progress]: [ 3 / 4 ] generating series at (2 1)
9.285 * [approximate]: Taking taylor expansion of (sqrt (acos (- (+ (* 4.0 (pow v 2)) (* 4.0 (pow v 4))) 1.0))) in (v) around 0
9.285 * [taylor]: Taking taylor expansion of (sqrt (acos (- (+ (* 4.0 (pow v 2)) (* 4.0 (pow v 4))) 1.0))) in v
9.285 * [taylor]: Taking taylor expansion of (acos (- (+ (* 4.0 (pow v 2)) (* 4.0 (pow v 4))) 1.0)) in v
9.286 * [taylor]: Taking taylor expansion of (sqrt (acos (- (+ (* 4.0 (pow v 2)) (* 4.0 (pow v 4))) 1.0))) in v
9.286 * [taylor]: Taking taylor expansion of (acos (- (+ (* 4.0 (pow v 2)) (* 4.0 (pow v 4))) 1.0)) in v
9.291 * [approximate]: Taking taylor expansion of (sqrt (acos (- (+ (* 4.0 (/ 1 (pow v 4))) (* 4.0 (/ 1 (pow v 2)))) 1.0))) in (v) around 0
9.291 * [taylor]: Taking taylor expansion of (sqrt (acos (- (+ (* 4.0 (/ 1 (pow v 4))) (* 4.0 (/ 1 (pow v 2)))) 1.0))) in v
9.291 * [taylor]: Taking taylor expansion of (acos (- (+ (* 4.0 (/ 1 (pow v 4))) (* 4.0 (/ 1 (pow v 2)))) 1.0)) in v
9.292 * [taylor]: Taking taylor expansion of (sqrt (acos (- (+ (* 4.0 (/ 1 (pow v 4))) (* 4.0 (/ 1 (pow v 2)))) 1.0))) in v
9.292 * [taylor]: Taking taylor expansion of (acos (- (+ (* 4.0 (/ 1 (pow v 4))) (* 4.0 (/ 1 (pow v 2)))) 1.0)) in v
9.297 * [approximate]: Taking taylor expansion of (sqrt (acos (- (+ (* 4.0 (/ 1 (pow v 4))) (* 4.0 (/ 1 (pow v 2)))) 1.0))) in (v) around 0
9.297 * [taylor]: Taking taylor expansion of (sqrt (acos (- (+ (* 4.0 (/ 1 (pow v 4))) (* 4.0 (/ 1 (pow v 2)))) 1.0))) in v
9.297 * [taylor]: Taking taylor expansion of (acos (- (+ (* 4.0 (/ 1 (pow v 4))) (* 4.0 (/ 1 (pow v 2)))) 1.0)) in v
9.298 * [taylor]: Taking taylor expansion of (sqrt (acos (- (+ (* 4.0 (/ 1 (pow v 4))) (* 4.0 (/ 1 (pow v 2)))) 1.0))) in v
9.298 * [taylor]: Taking taylor expansion of (acos (- (+ (* 4.0 (/ 1 (pow v 4))) (* 4.0 (/ 1 (pow v 2)))) 1.0)) in v
9.303 * * * * [progress]: [ 4 / 4 ] generating series at (2 2 1)
9.303 * [approximate]: Taking taylor expansion of (acos (- (+ (* 4.0 (pow v 2)) (* 4.0 (pow v 4))) 1.0)) in (v) around 0
9.303 * [taylor]: Taking taylor expansion of (acos (- (+ (* 4.0 (pow v 2)) (* 4.0 (pow v 4))) 1.0)) in v
9.303 * [taylor]: Taking taylor expansion of (acos (- (+ (* 4.0 (pow v 2)) (* 4.0 (pow v 4))) 1.0)) in v
9.304 * [approximate]: Taking taylor expansion of (acos (- (+ (* 4.0 (/ 1 (pow v 4))) (* 4.0 (/ 1 (pow v 2)))) 1.0)) in (v) around 0
9.304 * [taylor]: Taking taylor expansion of (acos (- (+ (* 4.0 (/ 1 (pow v 4))) (* 4.0 (/ 1 (pow v 2)))) 1.0)) in v
9.304 * [taylor]: Taking taylor expansion of (acos (- (+ (* 4.0 (/ 1 (pow v 4))) (* 4.0 (/ 1 (pow v 2)))) 1.0)) in v
9.305 * [approximate]: Taking taylor expansion of (acos (- (+ (* 4.0 (/ 1 (pow v 4))) (* 4.0 (/ 1 (pow v 2)))) 1.0)) in (v) around 0
9.306 * [taylor]: Taking taylor expansion of (acos (- (+ (* 4.0 (/ 1 (pow v 4))) (* 4.0 (/ 1 (pow v 2)))) 1.0)) in v
9.306 * [taylor]: Taking taylor expansion of (acos (- (+ (* 4.0 (/ 1 (pow v 4))) (* 4.0 (/ 1 (pow v 2)))) 1.0)) in v
9.307 * * * [progress]: simplifying candidates
9.308 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (+ 1/2 1/2)
  (+ 1/2 (/ 1 2))
  (+ 1 1)
  (+ (/ 1 2) 1/2)
  (+ (/ 1 2) (/ 1 2))
  (* (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0)) (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0)))
  (* (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0))) (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0))))
  (* (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0)) (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0)))
  (+ 1 1)
  (+ (log (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0)))) (log (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0)))))
  (log (* (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0))) (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0)))))
  (exp (* (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0))) (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0)))))
  (* (* (* (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0))) (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0)))) (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0)))) (* (* (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0))) (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0)))) (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0)))))
  (* (cbrt (* (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0))) (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0))))) (cbrt (* (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0))) (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0))))))
  (cbrt (* (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0))) (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0)))))
  (* (* (* (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0))) (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0)))) (* (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0))) (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0))))) (* (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0))) (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0)))))
  (* (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0)) (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0)))
  (sqrt (* (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0))) (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0)))))
  (sqrt (* (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0))) (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0)))))
  (* (* (cbrt (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0)))) (cbrt (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0))))) (* (cbrt (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0)))) (cbrt (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0))))))
  (* (cbrt (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0)))) (cbrt (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0)))))
  (* (sqrt (* (cbrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0))) (cbrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0))))) (sqrt (* (cbrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0))) (cbrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0))))))
  (* (sqrt (cbrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0)))) (sqrt (cbrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0)))))
  (* (sqrt (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0)))) (sqrt (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0)))))
  (* (sqrt (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0)))) (sqrt (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0)))))
  (* (sqrt (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0)))) (sqrt (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0)))))
  (* (sqrt (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0)))) (sqrt (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0)))))
  (* (sqrt 1) (sqrt 1))
  (* (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0))) (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0))))
  (* (sqrt (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0)))) (sqrt (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0)))))
  (* (sqrt (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0)))) (sqrt (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0)))))
  (* (sqrt (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0)))) (sqrt (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0)))))
  (* (sqrt (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0)))) (sqrt (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0)))))
  (* 1 1)
  (* (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0))) (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0))))
  (* (sqrt (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0)))) (sqrt (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0)))))
  (* (sqrt (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0)))) (sqrt (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0)))))
  (* (sqrt (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0)))) (sqrt (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0)))))
  (* (sqrt (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0)))) (sqrt (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0)))))
  (* (sqrt (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0)))) (sqrt (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0)))))
  (* (sqrt (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0)))) (sqrt (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0)))))
  (* (sqrt (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0)))) (sqrt (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0)))))
  (* (sqrt (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0)))) (sqrt (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0)))))
  (* 2 1/2)
  (* 2 1)
  (* 2 (/ 1 2))
  (* (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0))) (* (cbrt (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0)))) (cbrt (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0))))))
  (* (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0))) (sqrt (* (cbrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0))) (cbrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0))))))
  (* (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0))) (sqrt (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0)))))
  (* (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0))) (sqrt 1))
  (* (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0))) (sqrt (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0)))))
  (* (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0))) 1)
  (* (cbrt (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0)))) (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0))))
  (* (sqrt (cbrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0)))) (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0))))
  (* (sqrt (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0)))) (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0))))
  (* (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0))) (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0))))
  (* (sqrt (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0)))) (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0))))
  (* (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0))) (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0))))
  (log (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0))))
  (exp (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0))))
  (* (cbrt (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0)))) (cbrt (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0)))))
  (cbrt (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0))))
  (* (* (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0))) (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0)))) (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0))))
  (sqrt (* (cbrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0))) (cbrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0)))))
  (sqrt (cbrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0))))
  (sqrt (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0))))
  (sqrt (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0))))
  (sqrt 1)
  (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0)))
  (/ 1 2)
  (sqrt (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0))))
  (sqrt (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0))))
  (log (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0))))
  (exp (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0))))
  (* (cbrt (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0)))) (cbrt (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0)))))
  (cbrt (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0))))
  (* (* (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0))) (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0)))) (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0))))
  (sqrt (* (cbrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0))) (cbrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0)))))
  (sqrt (cbrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0))))
  (sqrt (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0))))
  (sqrt (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0))))
  (sqrt 1)
  (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0)))
  (/ 1 2)
  (sqrt (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0))))
  (sqrt (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0))))
  (/ PI 2)
  (asin (- (* 4.0 (+ (* v v) (pow v 4))) 1.0))
  (log (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0)))
  (exp (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0)))
  (* (cbrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0))) (cbrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0))))
  (cbrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0)))
  (* (* (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0)) (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0))) (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0)))
  (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0)))
  (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0)))
  (acos (- (+ (* 4.0 (pow v 2)) (* 4.0 (pow v 4))) 1.0))
  (acos (- (+ (* 4.0 (pow v 2)) (* 4.0 (pow v 4))) 1.0))
  (acos (- (+ (* 4.0 (pow v 2)) (* 4.0 (pow v 4))) 1.0))
  (sqrt (acos (- (+ (* 4.0 (pow v 2)) (* 4.0 (pow v 4))) 1.0)))
  (sqrt (acos (- (+ (* 4.0 (pow v 2)) (* 4.0 (pow v 4))) 1.0)))
  (sqrt (acos (- (+ (* 4.0 (pow v 2)) (* 4.0 (pow v 4))) 1.0)))
  (sqrt (acos (- (+ (* 4.0 (pow v 2)) (* 4.0 (pow v 4))) 1.0)))
  (sqrt (acos (- (+ (* 4.0 (pow v 2)) (* 4.0 (pow v 4))) 1.0)))
  (sqrt (acos (- (+ (* 4.0 (pow v 2)) (* 4.0 (pow v 4))) 1.0)))
  (acos (- (+ (* 4.0 (pow v 2)) (* 4.0 (pow v 4))) 1.0))
  (acos (- (+ (* 4.0 (pow v 2)) (* 4.0 (pow v 4))) 1.0))
  (acos (- (+ (* 4.0 (pow v 2)) (* 4.0 (pow v 4))) 1.0))
9.316 * * [simplify]: iteration  0 :  72  enodes  (cost  2344 )
9.334 * * [simplify]: iteration  1 :  124  enodes  (cost  1615 )
9.350 * * [simplify]: iteration  2 :  265  enodes  (cost  1445 )
9.452 * * [simplify]: iteration  3 :  642  enodes  (cost  1376 )
9.702 * * [simplify]: iteration  4 :  1456  enodes  (cost  1328 )
10.848 * * [simplify]: iteration  done :  5000  enodes  (cost  1328 )
10.849 * [simplify]: Simplified to:
   1
  1
  2
  1
  1
  (pow (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0))) 4)
  (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0))
  (pow (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0))) 4)
  2
  (log (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0)))
  (log (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0)))
  (exp (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0)))
  (pow (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0)) 3)
  (pow (sqrt (cbrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0)))) 4)
  (cbrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0)))
  (pow (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0)) 3)
  (pow (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0))) 4)
  (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0)))
  (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0)))
  (pow (cbrt (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0)))) 4)
  (* (cbrt (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0)))) (cbrt (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0)))))
  (pow (sqrt (cbrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0)))) 4)
  (cbrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0)))
  (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0)))
  (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0)))
  (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0)))
  (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0)))
  1
  (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0))
  (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0)))
  (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0)))
  (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0)))
  (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0)))
  1
  (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0))
  (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0)))
  (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0)))
  (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0)))
  (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0)))
  (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0)))
  (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0)))
  (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0)))
  (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0)))
  1
  2
  1
  (pow (cbrt (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0)))) 5)
  (* (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0))) (fabs (cbrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0)))))
  (pow (sqrt (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0)))) 3)
  (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0)))
  (pow (sqrt (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0)))) 3)
  (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0)))
  (pow (cbrt (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0)))) 4)
  (* (sqrt (cbrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0)))) (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0))))
  (pow (sqrt (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0)))) 3)
  (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0))
  (pow (sqrt (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0)))) 3)
  (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0))
  (log (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0))))
  (exp (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0))))
  (* (cbrt (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0)))) (cbrt (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0)))))
  (cbrt (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0))))
  (pow (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0))) 3)
  (fabs (cbrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0))))
  (sqrt (cbrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0))))
  (sqrt (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0))))
  (sqrt (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0))))
  1
  (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0)))
  1/2
  (sqrt (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0))))
  (sqrt (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0))))
  (log (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0))))
  (exp (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0))))
  (* (cbrt (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0)))) (cbrt (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0)))))
  (cbrt (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0))))
  (pow (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0))) 3)
  (fabs (cbrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0))))
  (sqrt (cbrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0))))
  (sqrt (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0))))
  (sqrt (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0))))
  1
  (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0)))
  1/2
  (sqrt (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0))))
  (sqrt (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0))))
  (/ PI 2)
  (asin (- (* 4.0 (+ (* v v) (pow v 4))) 1.0))
  (log (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0)))
  (exp (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0)))
  (pow (sqrt (cbrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0)))) 4)
  (cbrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0)))
  (pow (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0)) 3)
  (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0)))
  (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0)))
  (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0))
  (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0))
  (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0))
  (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0)))
  (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0)))
  (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0)))
  (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0)))
  (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0)))
  (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0)))
  (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0))
  (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0))
  (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0))
10.849 * * * [progress]: adding candidates to table
10.991 * [progress]: [Phase 3 of 3] Extracting.
10.991 * * [regime]: Finding splitpoints for: (#<alt (λ (v) (* (pow (cbrt (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0)))) 4) (* (cbrt (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0)))) (cbrt (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0)))))))> #<alt (λ (v) (* (pow (cbrt (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0)))) 5) (cbrt (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0))))))> #<alt (λ (v) (acos (* (sqrt (- 1.0 (* 5.0 (* v v)))) (/ (sqrt (- 1.0 (* 5.0 (* v v)))) (- (* v v) 1.0)))))> #<alt (λ (v) (* (pow (sqrt (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0)))) 3) (sqrt (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0))))))> #<alt (λ (v) (* (* (cbrt (acos (/ (- 1.0 (* 5.0 (pow v 2))) (- (* v v) 1.0)))) (cbrt (acos (/ (- 1.0 (* 5.0 (pow v 2))) (- (* v v) 1.0))))) (cbrt (acos (/ (- 1.0 (* 5.0 (pow v 2))) (- (* v v) 1.0))))))>)
10.993 * * * [regime-changes]: Trying 2 branch expressions: ((* v v) v)
10.993 * * * * [regimes]: Trying to branch on (* v v) from (#<alt (λ (v) (* (pow (cbrt (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0)))) 4) (* (cbrt (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0)))) (cbrt (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0)))))))> #<alt (λ (v) (* (pow (cbrt (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0)))) 5) (cbrt (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0))))))> #<alt (λ (v) (acos (* (sqrt (- 1.0 (* 5.0 (* v v)))) (/ (sqrt (- 1.0 (* 5.0 (* v v)))) (- (* v v) 1.0)))))> #<alt (λ (v) (* (pow (sqrt (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0)))) 3) (sqrt (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0))))))> #<alt (λ (v) (* (* (cbrt (acos (/ (- 1.0 (* 5.0 (pow v 2))) (- (* v v) 1.0)))) (cbrt (acos (/ (- 1.0 (* 5.0 (pow v 2))) (- (* v v) 1.0))))) (cbrt (acos (/ (- 1.0 (* 5.0 (pow v 2))) (- (* v v) 1.0))))))>)
11.012 * * * * [regimes]: Trying to branch on v from (#<alt (λ (v) (* (pow (cbrt (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0)))) 4) (* (cbrt (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0)))) (cbrt (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0)))))))> #<alt (λ (v) (* (pow (cbrt (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0)))) 5) (cbrt (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0))))))> #<alt (λ (v) (acos (* (sqrt (- 1.0 (* 5.0 (* v v)))) (/ (sqrt (- 1.0 (* 5.0 (* v v)))) (- (* v v) 1.0)))))> #<alt (λ (v) (* (pow (sqrt (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0)))) 3) (sqrt (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0))))))> #<alt (λ (v) (* (* (cbrt (acos (/ (- 1.0 (* 5.0 (pow v 2))) (- (* v v) 1.0)))) (cbrt (acos (/ (- 1.0 (* 5.0 (pow v 2))) (- (* v v) 1.0))))) (cbrt (acos (/ (- 1.0 (* 5.0 (pow v 2))) (- (* v v) 1.0))))))>)
11.035 * * * [regime]: Found split indices: #<option (#s(si 2 255))>
11.035 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (acos (* (sqrt (- 1.0 (* 5.0 (* v v)))) (/ (sqrt (- 1.0 (* 5.0 (* v v)))) (- (* v v) 1.0))))
11.036 * * [simplify]: iteration  0 :  11  enodes  (cost  24 )
11.036 * * [simplify]: iteration  1 :  13  enodes  (cost  24 )
11.036 * * [simplify]: iteration  done :  13  enodes  (cost  24 )
11.036 * [simplify]: Simplified to:
   (acos (* (sqrt (- 1.0 (* 5.0 (* v v)))) (/ (sqrt (- 1.0 (* 5.0 (* v v)))) (- (* v v) 1.0))))
13.615 * [regime-testing]: Baseline error score: 0.5774905486246754
13.615 * [regime-testing]: Oracle error score: 0.5020672070678013
13.616 * [regime-testing]: End program error score: 0.5774905486246754