24.285 * [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 )
0.085 * * [simplify]: iteration  1 :  19  enodes  (cost  14 )
0.087 * * [simplify]: iteration  2 :  41  enodes  (cost  14 )
0.092 * * [simplify]: iteration  3 :  81  enodes  (cost  14 )
0.103 * * [simplify]: iteration  4 :  150  enodes  (cost  14 )
0.124 * * [simplify]: iteration  5 :  240  enodes  (cost  14 )
0.162 * * [simplify]: iteration  6 :  372  enodes  (cost  14 )
0.364 * * [simplify]: iteration  7 :  1083  enodes  (cost  14 )
2.426 * * [simplify]: iteration  done :  5001  enodes  (cost  14 )
2.426 * [simplify]: Simplified to:
   (acos (/ (- 1.0 (* 5.0 (* v v))) (- (* v v) 1.0)))
2.426 * * [progress]: iteration 1 / 4
2.426 * * * [progress]: picking best candidate
2.432 * * * * [pick]: Picked  #<alt (λ (v) (acos (/ (- 1.0 (* 5.0 (* v v))) (- (* v v) 1.0))))>
2.432 * * * [progress]: localizing error
2.440 * * * [progress]: generating rewritten candidates
2.440 * * * * [progress]: [ 1 / 3 ] rewriting at (2)
2.440 * * * * [progress]: [ 2 / 3 ] rewriting at (2 1 1 2)
2.447 * * * * [progress]: [ 3 / 3 ] rewriting at (2 1)
2.459 * * * [progress]: generating series expansions
2.459 * * * * [progress]: [ 1 / 3 ] generating series at (2)
2.459 * [approximate]: Taking taylor expansion of (acos (/ (- 1.0 (* 5.0 (pow v 2))) (- (pow v 2) 1.0))) in (v) around 0
2.459 * [taylor]: Taking taylor expansion of (acos (/ (- 1.0 (* 5.0 (pow v 2))) (- (pow v 2) 1.0))) in v
2.459 * [taylor]: Taking taylor expansion of (acos (/ (- 1.0 (* 5.0 (pow v 2))) (- (pow v 2) 1.0))) in v
2.460 * [approximate]: Taking taylor expansion of (acos (/ (- 1.0 (* 5.0 (/ 1 (pow v 2)))) (- (/ 1 (pow v 2)) 1.0))) in (v) around 0
2.460 * [taylor]: Taking taylor expansion of (acos (/ (- 1.0 (* 5.0 (/ 1 (pow v 2)))) (- (/ 1 (pow v 2)) 1.0))) in v
2.460 * [taylor]: Taking taylor expansion of (acos (/ (- 1.0 (* 5.0 (/ 1 (pow v 2)))) (- (/ 1 (pow v 2)) 1.0))) in v
2.461 * [approximate]: Taking taylor expansion of (acos (/ (- 1.0 (* 5.0 (/ 1 (pow v 2)))) (- (/ 1 (pow v 2)) 1.0))) in (v) around 0
2.461 * [taylor]: Taking taylor expansion of (acos (/ (- 1.0 (* 5.0 (/ 1 (pow v 2)))) (- (/ 1 (pow v 2)) 1.0))) in v
2.461 * [taylor]: Taking taylor expansion of (acos (/ (- 1.0 (* 5.0 (/ 1 (pow v 2)))) (- (/ 1 (pow v 2)) 1.0))) in v
2.462 * * * * [progress]: [ 2 / 3 ] generating series at (2 1 1 2)
2.462 * [approximate]: Taking taylor expansion of (* 5.0 (pow v 2)) in (v) around 0
2.462 * [taylor]: Taking taylor expansion of (* 5.0 (pow v 2)) in v
2.462 * [taylor]: Taking taylor expansion of 5.0 in v
2.462 * [taylor]: Taking taylor expansion of (pow v 2) in v
2.462 * [taylor]: Taking taylor expansion of v in v
2.462 * [taylor]: Taking taylor expansion of (* 5.0 (pow v 2)) in v
2.462 * [taylor]: Taking taylor expansion of 5.0 in v
2.462 * [taylor]: Taking taylor expansion of (pow v 2) in v
2.462 * [taylor]: Taking taylor expansion of v in v
2.470 * [approximate]: Taking taylor expansion of (/ 5.0 (pow v 2)) in (v) around 0
2.470 * [taylor]: Taking taylor expansion of (/ 5.0 (pow v 2)) in v
2.470 * [taylor]: Taking taylor expansion of 5.0 in v
2.470 * [taylor]: Taking taylor expansion of (pow v 2) in v
2.470 * [taylor]: Taking taylor expansion of v in v
2.471 * [taylor]: Taking taylor expansion of (/ 5.0 (pow v 2)) in v
2.471 * [taylor]: Taking taylor expansion of 5.0 in v
2.471 * [taylor]: Taking taylor expansion of (pow v 2) in v
2.471 * [taylor]: Taking taylor expansion of v in v
2.478 * [approximate]: Taking taylor expansion of (/ 5.0 (pow v 2)) in (v) around 0
2.478 * [taylor]: Taking taylor expansion of (/ 5.0 (pow v 2)) in v
2.479 * [taylor]: Taking taylor expansion of 5.0 in v
2.479 * [taylor]: Taking taylor expansion of (pow v 2) in v
2.479 * [taylor]: Taking taylor expansion of v in v
2.479 * [taylor]: Taking taylor expansion of (/ 5.0 (pow v 2)) in v
2.479 * [taylor]: Taking taylor expansion of 5.0 in v
2.479 * [taylor]: Taking taylor expansion of (pow v 2) in v
2.479 * [taylor]: Taking taylor expansion of v in v
2.486 * * * * [progress]: [ 3 / 3 ] generating series at (2 1)
2.487 * [approximate]: Taking taylor expansion of (/ (- 1.0 (* 5.0 (pow v 2))) (- (pow v 2) 1.0)) in (v) around 0
2.487 * [taylor]: Taking taylor expansion of (/ (- 1.0 (* 5.0 (pow v 2))) (- (pow v 2) 1.0)) in v
2.487 * [taylor]: Taking taylor expansion of (- 1.0 (* 5.0 (pow v 2))) in v
2.487 * [taylor]: Taking taylor expansion of 1.0 in v
2.487 * [taylor]: Taking taylor expansion of (* 5.0 (pow v 2)) in v
2.487 * [taylor]: Taking taylor expansion of 5.0 in v
2.487 * [taylor]: Taking taylor expansion of (pow v 2) in v
2.487 * [taylor]: Taking taylor expansion of v in v
2.487 * [taylor]: Taking taylor expansion of (- (pow v 2) 1.0) in v
2.487 * [taylor]: Taking taylor expansion of (pow v 2) in v
2.487 * [taylor]: Taking taylor expansion of v in v
2.487 * [taylor]: Taking taylor expansion of 1.0 in v
2.488 * [taylor]: Taking taylor expansion of (/ (- 1.0 (* 5.0 (pow v 2))) (- (pow v 2) 1.0)) in v
2.489 * [taylor]: Taking taylor expansion of (- 1.0 (* 5.0 (pow v 2))) in v
2.489 * [taylor]: Taking taylor expansion of 1.0 in v
2.489 * [taylor]: Taking taylor expansion of (* 5.0 (pow v 2)) in v
2.489 * [taylor]: Taking taylor expansion of 5.0 in v
2.489 * [taylor]: Taking taylor expansion of (pow v 2) in v
2.489 * [taylor]: Taking taylor expansion of v in v
2.489 * [taylor]: Taking taylor expansion of (- (pow v 2) 1.0) in v
2.489 * [taylor]: Taking taylor expansion of (pow v 2) in v
2.489 * [taylor]: Taking taylor expansion of v in v
2.489 * [taylor]: Taking taylor expansion of 1.0 in v
2.507 * [approximate]: Taking taylor expansion of (/ (- 1.0 (* 5.0 (/ 1 (pow v 2)))) (- (/ 1 (pow v 2)) 1.0)) in (v) around 0
2.507 * [taylor]: Taking taylor expansion of (/ (- 1.0 (* 5.0 (/ 1 (pow v 2)))) (- (/ 1 (pow v 2)) 1.0)) in v
2.507 * [taylor]: Taking taylor expansion of (- 1.0 (* 5.0 (/ 1 (pow v 2)))) in v
2.507 * [taylor]: Taking taylor expansion of 1.0 in v
2.507 * [taylor]: Taking taylor expansion of (* 5.0 (/ 1 (pow v 2))) in v
2.507 * [taylor]: Taking taylor expansion of 5.0 in v
2.507 * [taylor]: Taking taylor expansion of (/ 1 (pow v 2)) in v
2.507 * [taylor]: Taking taylor expansion of (pow v 2) in v
2.507 * [taylor]: Taking taylor expansion of v in v
2.508 * [taylor]: Taking taylor expansion of (- (/ 1 (pow v 2)) 1.0) in v
2.508 * [taylor]: Taking taylor expansion of (/ 1 (pow v 2)) in v
2.508 * [taylor]: Taking taylor expansion of (pow v 2) in v
2.508 * [taylor]: Taking taylor expansion of v in v
2.509 * [taylor]: Taking taylor expansion of 1.0 in v
2.510 * [taylor]: Taking taylor expansion of (/ (- 1.0 (* 5.0 (/ 1 (pow v 2)))) (- (/ 1 (pow v 2)) 1.0)) in v
2.510 * [taylor]: Taking taylor expansion of (- 1.0 (* 5.0 (/ 1 (pow v 2)))) in v
2.510 * [taylor]: Taking taylor expansion of 1.0 in v
2.510 * [taylor]: Taking taylor expansion of (* 5.0 (/ 1 (pow v 2))) in v
2.510 * [taylor]: Taking taylor expansion of 5.0 in v
2.510 * [taylor]: Taking taylor expansion of (/ 1 (pow v 2)) in v
2.510 * [taylor]: Taking taylor expansion of (pow v 2) in v
2.510 * [taylor]: Taking taylor expansion of v in v
2.511 * [taylor]: Taking taylor expansion of (- (/ 1 (pow v 2)) 1.0) in v
2.511 * [taylor]: Taking taylor expansion of (/ 1 (pow v 2)) in v
2.511 * [taylor]: Taking taylor expansion of (pow v 2) in v
2.511 * [taylor]: Taking taylor expansion of v in v
2.512 * [taylor]: Taking taylor expansion of 1.0 in v
2.539 * [approximate]: Taking taylor expansion of (/ (- 1.0 (* 5.0 (/ 1 (pow v 2)))) (- (/ 1 (pow v 2)) 1.0)) in (v) around 0
2.539 * [taylor]: Taking taylor expansion of (/ (- 1.0 (* 5.0 (/ 1 (pow v 2)))) (- (/ 1 (pow v 2)) 1.0)) in v
2.539 * [taylor]: Taking taylor expansion of (- 1.0 (* 5.0 (/ 1 (pow v 2)))) in v
2.539 * [taylor]: Taking taylor expansion of 1.0 in v
2.539 * [taylor]: Taking taylor expansion of (* 5.0 (/ 1 (pow v 2))) in v
2.540 * [taylor]: Taking taylor expansion of 5.0 in v
2.540 * [taylor]: Taking taylor expansion of (/ 1 (pow v 2)) in v
2.540 * [taylor]: Taking taylor expansion of (pow v 2) in v
2.540 * [taylor]: Taking taylor expansion of v in v
2.540 * [taylor]: Taking taylor expansion of (- (/ 1 (pow v 2)) 1.0) in v
2.540 * [taylor]: Taking taylor expansion of (/ 1 (pow v 2)) in v
2.540 * [taylor]: Taking taylor expansion of (pow v 2) in v
2.540 * [taylor]: Taking taylor expansion of v in v
2.541 * [taylor]: Taking taylor expansion of 1.0 in v
2.542 * [taylor]: Taking taylor expansion of (/ (- 1.0 (* 5.0 (/ 1 (pow v 2)))) (- (/ 1 (pow v 2)) 1.0)) in v
2.542 * [taylor]: Taking taylor expansion of (- 1.0 (* 5.0 (/ 1 (pow v 2)))) in v
2.543 * [taylor]: Taking taylor expansion of 1.0 in v
2.543 * [taylor]: Taking taylor expansion of (* 5.0 (/ 1 (pow v 2))) in v
2.543 * [taylor]: Taking taylor expansion of 5.0 in v
2.543 * [taylor]: Taking taylor expansion of (/ 1 (pow v 2)) in v
2.543 * [taylor]: Taking taylor expansion of (pow v 2) in v
2.543 * [taylor]: Taking taylor expansion of v in v
2.543 * [taylor]: Taking taylor expansion of (- (/ 1 (pow v 2)) 1.0) in v
2.543 * [taylor]: Taking taylor expansion of (/ 1 (pow v 2)) in v
2.543 * [taylor]: Taking taylor expansion of (pow v 2) in v
2.543 * [taylor]: Taking taylor expansion of v in v
2.544 * [taylor]: Taking taylor expansion of 1.0 in v
2.569 * * * [progress]: simplifying candidates
2.570 * [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)))
2.574 * * [simplify]: iteration  0 :  139  enodes  (cost  1198 )
2.603 * * [simplify]: iteration  1 :  332  enodes  (cost  1158 )
2.679 * * [simplify]: iteration  2 :  1052  enodes  (cost  1054 )
3.390 * * [simplify]: iteration  done :  5002  enodes  (cost  1052 )
3.391 * [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))))
  (* (pow v 2) 5.0)
  (* (pow v 2) 5.0)
  (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))
  (* (pow v 2) 5.0)
  (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)))
  (- (- 1.0 (* 5.0 (* v v))))
  (- (- (* v v) 1.0))
  (/ 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)))
  (* (pow v 2) 5.0)
  (* (pow v 2) 5.0)
  (* (pow v 2) 5.0)
  (- (* 4.0 (+ (* v v) (pow v 4))) 1.0)
  (- (+ (+ 5.0 (/ 4.0 (pow v 4))) (/ 4.0 (* v v))))
  (- (+ (+ 5.0 (/ 4.0 (pow v 4))) (/ 4.0 (* v v))))
3.391 * * * [progress]: adding candidates to table
3.543 * * [progress]: iteration 2 / 4
3.543 * * * [progress]: picking best candidate
3.549 * * * * [pick]: Picked  #<alt (λ (v) (acos (* (sqrt (- 1.0 (* 5.0 (* v v)))) (/ (sqrt (- 1.0 (* 5.0 (* v v)))) (- (* v v) 1.0)))))>
3.549 * * * [progress]: localizing error
3.559 * * * [progress]: generating rewritten candidates
3.559 * * * * [progress]: [ 1 / 4 ] rewriting at (2)
3.559 * * * * [progress]: [ 2 / 4 ] rewriting at (2 1 2 1 1 2)
3.569 * * * * [progress]: [ 3 / 4 ] rewriting at (2 1 1 1 2)
3.575 * * * * [progress]: [ 4 / 4 ] rewriting at (2 1 2 1)
3.579 * * * [progress]: generating series expansions
3.579 * * * * [progress]: [ 1 / 4 ] generating series at (2)
3.579 * [approximate]: Taking taylor expansion of (acos (/ (- 1.0 (* 5.0 (pow v 2))) (- (pow v 2) 1.0))) in (v) around 0
3.579 * [taylor]: Taking taylor expansion of (acos (/ (- 1.0 (* 5.0 (pow v 2))) (- (pow v 2) 1.0))) in v
3.580 * [taylor]: Taking taylor expansion of (acos (/ (- 1.0 (* 5.0 (pow v 2))) (- (pow v 2) 1.0))) in v
3.581 * [approximate]: Taking taylor expansion of (acos (/ (- 1.0 (* 5.0 (/ 1 (pow v 2)))) (- (/ 1 (pow v 2)) 1.0))) in (v) around 0
3.581 * [taylor]: Taking taylor expansion of (acos (/ (- 1.0 (* 5.0 (/ 1 (pow v 2)))) (- (/ 1 (pow v 2)) 1.0))) in v
3.581 * [taylor]: Taking taylor expansion of (acos (/ (- 1.0 (* 5.0 (/ 1 (pow v 2)))) (- (/ 1 (pow v 2)) 1.0))) in v
3.582 * [approximate]: Taking taylor expansion of (acos (/ (- 1.0 (* 5.0 (/ 1 (pow v 2)))) (- (/ 1 (pow v 2)) 1.0))) in (v) around 0
3.582 * [taylor]: Taking taylor expansion of (acos (/ (- 1.0 (* 5.0 (/ 1 (pow v 2)))) (- (/ 1 (pow v 2)) 1.0))) in v
3.582 * [taylor]: Taking taylor expansion of (acos (/ (- 1.0 (* 5.0 (/ 1 (pow v 2)))) (- (/ 1 (pow v 2)) 1.0))) in v
3.583 * * * * [progress]: [ 2 / 4 ] generating series at (2 1 2 1 1 2)
3.583 * [approximate]: Taking taylor expansion of (* 5.0 (pow v 2)) in (v) around 0
3.583 * [taylor]: Taking taylor expansion of (* 5.0 (pow v 2)) in v
3.583 * [taylor]: Taking taylor expansion of 5.0 in v
3.583 * [taylor]: Taking taylor expansion of (pow v 2) in v
3.583 * [taylor]: Taking taylor expansion of v in v
3.583 * [taylor]: Taking taylor expansion of (* 5.0 (pow v 2)) in v
3.583 * [taylor]: Taking taylor expansion of 5.0 in v
3.583 * [taylor]: Taking taylor expansion of (pow v 2) in v
3.583 * [taylor]: Taking taylor expansion of v in v
3.591 * [approximate]: Taking taylor expansion of (/ 5.0 (pow v 2)) in (v) around 0
3.591 * [taylor]: Taking taylor expansion of (/ 5.0 (pow v 2)) in v
3.592 * [taylor]: Taking taylor expansion of 5.0 in v
3.592 * [taylor]: Taking taylor expansion of (pow v 2) in v
3.592 * [taylor]: Taking taylor expansion of v in v
3.592 * [taylor]: Taking taylor expansion of (/ 5.0 (pow v 2)) in v
3.592 * [taylor]: Taking taylor expansion of 5.0 in v
3.592 * [taylor]: Taking taylor expansion of (pow v 2) in v
3.592 * [taylor]: Taking taylor expansion of v in v
3.600 * [approximate]: Taking taylor expansion of (/ 5.0 (pow v 2)) in (v) around 0
3.600 * [taylor]: Taking taylor expansion of (/ 5.0 (pow v 2)) in v
3.600 * [taylor]: Taking taylor expansion of 5.0 in v
3.600 * [taylor]: Taking taylor expansion of (pow v 2) in v
3.600 * [taylor]: Taking taylor expansion of v in v
3.600 * [taylor]: Taking taylor expansion of (/ 5.0 (pow v 2)) in v
3.600 * [taylor]: Taking taylor expansion of 5.0 in v
3.600 * [taylor]: Taking taylor expansion of (pow v 2) in v
3.600 * [taylor]: Taking taylor expansion of v in v
3.607 * * * * [progress]: [ 3 / 4 ] generating series at (2 1 1 1 2)
3.608 * [approximate]: Taking taylor expansion of (* 5.0 (pow v 2)) in (v) around 0
3.608 * [taylor]: Taking taylor expansion of (* 5.0 (pow v 2)) in v
3.608 * [taylor]: Taking taylor expansion of 5.0 in v
3.608 * [taylor]: Taking taylor expansion of (pow v 2) in v
3.608 * [taylor]: Taking taylor expansion of v in v
3.608 * [taylor]: Taking taylor expansion of (* 5.0 (pow v 2)) in v
3.608 * [taylor]: Taking taylor expansion of 5.0 in v
3.608 * [taylor]: Taking taylor expansion of (pow v 2) in v
3.608 * [taylor]: Taking taylor expansion of v in v
3.616 * [approximate]: Taking taylor expansion of (/ 5.0 (pow v 2)) in (v) around 0
3.616 * [taylor]: Taking taylor expansion of (/ 5.0 (pow v 2)) in v
3.616 * [taylor]: Taking taylor expansion of 5.0 in v
3.616 * [taylor]: Taking taylor expansion of (pow v 2) in v
3.616 * [taylor]: Taking taylor expansion of v in v
3.617 * [taylor]: Taking taylor expansion of (/ 5.0 (pow v 2)) in v
3.617 * [taylor]: Taking taylor expansion of 5.0 in v
3.617 * [taylor]: Taking taylor expansion of (pow v 2) in v
3.617 * [taylor]: Taking taylor expansion of v in v
3.624 * [approximate]: Taking taylor expansion of (/ 5.0 (pow v 2)) in (v) around 0
3.624 * [taylor]: Taking taylor expansion of (/ 5.0 (pow v 2)) in v
3.624 * [taylor]: Taking taylor expansion of 5.0 in v
3.624 * [taylor]: Taking taylor expansion of (pow v 2) in v
3.624 * [taylor]: Taking taylor expansion of v in v
3.625 * [taylor]: Taking taylor expansion of (/ 5.0 (pow v 2)) in v
3.625 * [taylor]: Taking taylor expansion of 5.0 in v
3.625 * [taylor]: Taking taylor expansion of (pow v 2) in v
3.625 * [taylor]: Taking taylor expansion of v in v
3.632 * * * * [progress]: [ 4 / 4 ] generating series at (2 1 2 1)
3.632 * [approximate]: Taking taylor expansion of (sqrt (- 1.0 (* 5.0 (pow v 2)))) in (v) around 0
3.633 * [taylor]: Taking taylor expansion of (sqrt (- 1.0 (* 5.0 (pow v 2)))) in v
3.633 * [taylor]: Taking taylor expansion of (- 1.0 (* 5.0 (pow v 2))) in v
3.633 * [taylor]: Taking taylor expansion of 1.0 in v
3.633 * [taylor]: Taking taylor expansion of (* 5.0 (pow v 2)) in v
3.633 * [taylor]: Taking taylor expansion of 5.0 in v
3.633 * [taylor]: Taking taylor expansion of (pow v 2) in v
3.633 * [taylor]: Taking taylor expansion of v in v
3.634 * [taylor]: Taking taylor expansion of (sqrt (- 1.0 (* 5.0 (pow v 2)))) in v
3.634 * [taylor]: Taking taylor expansion of (- 1.0 (* 5.0 (pow v 2))) in v
3.634 * [taylor]: Taking taylor expansion of 1.0 in v
3.634 * [taylor]: Taking taylor expansion of (* 5.0 (pow v 2)) in v
3.634 * [taylor]: Taking taylor expansion of 5.0 in v
3.634 * [taylor]: Taking taylor expansion of (pow v 2) in v
3.634 * [taylor]: Taking taylor expansion of v in v
3.653 * [approximate]: Taking taylor expansion of (sqrt (- 1.0 (* 5.0 (/ 1 (pow v 2))))) in (v) around 0
3.653 * [taylor]: Taking taylor expansion of (sqrt (- 1.0 (* 5.0 (/ 1 (pow v 2))))) in v
3.653 * [taylor]: Taking taylor expansion of (- 1.0 (* 5.0 (/ 1 (pow v 2)))) in v
3.653 * [taylor]: Taking taylor expansion of 1.0 in v
3.653 * [taylor]: Taking taylor expansion of (* 5.0 (/ 1 (pow v 2))) in v
3.653 * [taylor]: Taking taylor expansion of 5.0 in v
3.653 * [taylor]: Taking taylor expansion of (/ 1 (pow v 2)) in v
3.653 * [taylor]: Taking taylor expansion of (pow v 2) in v
3.653 * [taylor]: Taking taylor expansion of v in v
3.657 * [taylor]: Taking taylor expansion of (sqrt (- 1.0 (* 5.0 (/ 1 (pow v 2))))) in v
3.658 * [taylor]: Taking taylor expansion of (- 1.0 (* 5.0 (/ 1 (pow v 2)))) in v
3.658 * [taylor]: Taking taylor expansion of 1.0 in v
3.658 * [taylor]: Taking taylor expansion of (* 5.0 (/ 1 (pow v 2))) in v
3.658 * [taylor]: Taking taylor expansion of 5.0 in v
3.658 * [taylor]: Taking taylor expansion of (/ 1 (pow v 2)) in v
3.658 * [taylor]: Taking taylor expansion of (pow v 2) in v
3.658 * [taylor]: Taking taylor expansion of v in v
3.682 * [approximate]: Taking taylor expansion of (sqrt (- 1.0 (* 5.0 (/ 1 (pow v 2))))) in (v) around 0
3.682 * [taylor]: Taking taylor expansion of (sqrt (- 1.0 (* 5.0 (/ 1 (pow v 2))))) in v
3.682 * [taylor]: Taking taylor expansion of (- 1.0 (* 5.0 (/ 1 (pow v 2)))) in v
3.682 * [taylor]: Taking taylor expansion of 1.0 in v
3.682 * [taylor]: Taking taylor expansion of (* 5.0 (/ 1 (pow v 2))) in v
3.682 * [taylor]: Taking taylor expansion of 5.0 in v
3.682 * [taylor]: Taking taylor expansion of (/ 1 (pow v 2)) in v
3.682 * [taylor]: Taking taylor expansion of (pow v 2) in v
3.682 * [taylor]: Taking taylor expansion of v in v
3.686 * [taylor]: Taking taylor expansion of (sqrt (- 1.0 (* 5.0 (/ 1 (pow v 2))))) in v
3.686 * [taylor]: Taking taylor expansion of (- 1.0 (* 5.0 (/ 1 (pow v 2)))) in v
3.686 * [taylor]: Taking taylor expansion of 1.0 in v
3.686 * [taylor]: Taking taylor expansion of (* 5.0 (/ 1 (pow v 2))) in v
3.686 * [taylor]: Taking taylor expansion of 5.0 in v
3.686 * [taylor]: Taking taylor expansion of (/ 1 (pow v 2)) in v
3.686 * [taylor]: Taking taylor expansion of (pow v 2) in v
3.686 * [taylor]: Taking taylor expansion of v in v
3.711 * * * [progress]: simplifying candidates
3.712 * [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)))))))
3.715 * * [simplify]: iteration  0 :  110  enodes  (cost  931 )
3.737 * * [simplify]: iteration  1 :  246  enodes  (cost  747 )
3.789 * * [simplify]: iteration  2 :  740  enodes  (cost  681 )
4.161 * * [simplify]: iteration  3 :  3733  enodes  (cost  681 )
5.208 * * [simplify]: iteration  done :  5001  enodes  (cost  681 )
5.209 * [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)))))
  (- (+ (* v (sqrt (- 5.0))) (/ 0.5 (* 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)))))
5.209 * * * [progress]: adding candidates to table
5.371 * * [progress]: iteration 3 / 4
5.371 * * * [progress]: picking best candidate
5.375 * * * * [pick]: Picked  #<alt (λ (v) (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0)))>
5.375 * * * [progress]: localizing error
5.383 * * * [progress]: generating rewritten candidates
5.383 * * * * [progress]: [ 1 / 3 ] rewriting at (2)
5.384 * * * * [progress]: [ 2 / 3 ] rewriting at (2 1 1)
5.401 * * * * [progress]: [ 3 / 3 ] rewriting at (2 1 1 2)
5.409 * * * [progress]: generating series expansions
5.409 * * * * [progress]: [ 1 / 3 ] generating series at (2)
5.409 * [approximate]: Taking taylor expansion of (acos (- (+ (* 4.0 (pow v 2)) (* 4.0 (pow v 4))) 1.0)) in (v) around 0
5.409 * [taylor]: Taking taylor expansion of (acos (- (+ (* 4.0 (pow v 2)) (* 4.0 (pow v 4))) 1.0)) in v
5.410 * [taylor]: Taking taylor expansion of (acos (- (+ (* 4.0 (pow v 2)) (* 4.0 (pow v 4))) 1.0)) in v
5.411 * [approximate]: Taking taylor expansion of (acos (- (+ (* 4.0 (/ 1 (pow v 4))) (* 4.0 (/ 1 (pow v 2)))) 1.0)) in (v) around 0
5.411 * [taylor]: Taking taylor expansion of (acos (- (+ (* 4.0 (/ 1 (pow v 4))) (* 4.0 (/ 1 (pow v 2)))) 1.0)) in v
5.411 * [taylor]: Taking taylor expansion of (acos (- (+ (* 4.0 (/ 1 (pow v 4))) (* 4.0 (/ 1 (pow v 2)))) 1.0)) in v
5.412 * [approximate]: Taking taylor expansion of (acos (- (+ (* 4.0 (/ 1 (pow v 4))) (* 4.0 (/ 1 (pow v 2)))) 1.0)) in (v) around 0
5.412 * [taylor]: Taking taylor expansion of (acos (- (+ (* 4.0 (/ 1 (pow v 4))) (* 4.0 (/ 1 (pow v 2)))) 1.0)) in v
5.412 * [taylor]: Taking taylor expansion of (acos (- (+ (* 4.0 (/ 1 (pow v 4))) (* 4.0 (/ 1 (pow v 2)))) 1.0)) in v
5.413 * * * * [progress]: [ 2 / 3 ] generating series at (2 1 1)
5.413 * [approximate]: Taking taylor expansion of (* 4.0 (+ (pow v 2) (pow v 4))) in (v) around 0
5.413 * [taylor]: Taking taylor expansion of (* 4.0 (+ (pow v 2) (pow v 4))) in v
5.413 * [taylor]: Taking taylor expansion of 4.0 in v
5.413 * [taylor]: Taking taylor expansion of (+ (pow v 2) (pow v 4)) in v
5.413 * [taylor]: Taking taylor expansion of (pow v 2) in v
5.413 * [taylor]: Taking taylor expansion of v in v
5.413 * [taylor]: Taking taylor expansion of (pow v 4) in v
5.413 * [taylor]: Taking taylor expansion of v in v
5.413 * [taylor]: Taking taylor expansion of (* 4.0 (+ (pow v 2) (pow v 4))) in v
5.413 * [taylor]: Taking taylor expansion of 4.0 in v
5.413 * [taylor]: Taking taylor expansion of (+ (pow v 2) (pow v 4)) in v
5.414 * [taylor]: Taking taylor expansion of (pow v 2) in v
5.414 * [taylor]: Taking taylor expansion of v in v
5.414 * [taylor]: Taking taylor expansion of (pow v 4) in v
5.414 * [taylor]: Taking taylor expansion of v in v
5.435 * [approximate]: Taking taylor expansion of (* 4.0 (+ (/ 1 (pow v 4)) (/ 1 (pow v 2)))) in (v) around 0
5.435 * [taylor]: Taking taylor expansion of (* 4.0 (+ (/ 1 (pow v 4)) (/ 1 (pow v 2)))) in v
5.435 * [taylor]: Taking taylor expansion of 4.0 in v
5.435 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow v 4)) (/ 1 (pow v 2))) in v
5.436 * [taylor]: Taking taylor expansion of (/ 1 (pow v 4)) in v
5.436 * [taylor]: Taking taylor expansion of (pow v 4) in v
5.436 * [taylor]: Taking taylor expansion of v in v
5.436 * [taylor]: Taking taylor expansion of (/ 1 (pow v 2)) in v
5.436 * [taylor]: Taking taylor expansion of (pow v 2) in v
5.436 * [taylor]: Taking taylor expansion of v in v
5.437 * [taylor]: Taking taylor expansion of (* 4.0 (+ (/ 1 (pow v 4)) (/ 1 (pow v 2)))) in v
5.437 * [taylor]: Taking taylor expansion of 4.0 in v
5.437 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow v 4)) (/ 1 (pow v 2))) in v
5.437 * [taylor]: Taking taylor expansion of (/ 1 (pow v 4)) in v
5.437 * [taylor]: Taking taylor expansion of (pow v 4) in v
5.437 * [taylor]: Taking taylor expansion of v in v
5.438 * [taylor]: Taking taylor expansion of (/ 1 (pow v 2)) in v
5.438 * [taylor]: Taking taylor expansion of (pow v 2) in v
5.438 * [taylor]: Taking taylor expansion of v in v
5.467 * [approximate]: Taking taylor expansion of (* 4.0 (+ (/ 1 (pow v 4)) (/ 1 (pow v 2)))) in (v) around 0
5.467 * [taylor]: Taking taylor expansion of (* 4.0 (+ (/ 1 (pow v 4)) (/ 1 (pow v 2)))) in v
5.467 * [taylor]: Taking taylor expansion of 4.0 in v
5.467 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow v 4)) (/ 1 (pow v 2))) in v
5.467 * [taylor]: Taking taylor expansion of (/ 1 (pow v 4)) in v
5.467 * [taylor]: Taking taylor expansion of (pow v 4) in v
5.467 * [taylor]: Taking taylor expansion of v in v
5.468 * [taylor]: Taking taylor expansion of (/ 1 (pow v 2)) in v
5.468 * [taylor]: Taking taylor expansion of (pow v 2) in v
5.468 * [taylor]: Taking taylor expansion of v in v
5.469 * [taylor]: Taking taylor expansion of (* 4.0 (+ (/ 1 (pow v 4)) (/ 1 (pow v 2)))) in v
5.469 * [taylor]: Taking taylor expansion of 4.0 in v
5.469 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow v 4)) (/ 1 (pow v 2))) in v
5.469 * [taylor]: Taking taylor expansion of (/ 1 (pow v 4)) in v
5.469 * [taylor]: Taking taylor expansion of (pow v 4) in v
5.469 * [taylor]: Taking taylor expansion of v in v
5.470 * [taylor]: Taking taylor expansion of (/ 1 (pow v 2)) in v
5.470 * [taylor]: Taking taylor expansion of (pow v 2) in v
5.470 * [taylor]: Taking taylor expansion of v in v
5.502 * * * * [progress]: [ 3 / 3 ] generating series at (2 1 1 2)
5.502 * [approximate]: Taking taylor expansion of (+ (pow v 2) (pow v 4)) in (v) around 0
5.502 * [taylor]: Taking taylor expansion of (+ (pow v 2) (pow v 4)) in v
5.502 * [taylor]: Taking taylor expansion of (pow v 2) in v
5.503 * [taylor]: Taking taylor expansion of v in v
5.503 * [taylor]: Taking taylor expansion of (pow v 4) in v
5.503 * [taylor]: Taking taylor expansion of v in v
5.503 * [taylor]: Taking taylor expansion of (+ (pow v 2) (pow v 4)) in v
5.503 * [taylor]: Taking taylor expansion of (pow v 2) in v
5.503 * [taylor]: Taking taylor expansion of v in v
5.503 * [taylor]: Taking taylor expansion of (pow v 4) in v
5.503 * [taylor]: Taking taylor expansion of v in v
5.518 * [approximate]: Taking taylor expansion of (+ (/ 1 (pow v 4)) (/ 1 (pow v 2))) in (v) around 0
5.518 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow v 4)) (/ 1 (pow v 2))) in v
5.518 * [taylor]: Taking taylor expansion of (/ 1 (pow v 4)) in v
5.518 * [taylor]: Taking taylor expansion of (pow v 4) in v
5.518 * [taylor]: Taking taylor expansion of v in v
5.519 * [taylor]: Taking taylor expansion of (/ 1 (pow v 2)) in v
5.519 * [taylor]: Taking taylor expansion of (pow v 2) in v
5.519 * [taylor]: Taking taylor expansion of v in v
5.519 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow v 4)) (/ 1 (pow v 2))) in v
5.519 * [taylor]: Taking taylor expansion of (/ 1 (pow v 4)) in v
5.519 * [taylor]: Taking taylor expansion of (pow v 4) in v
5.519 * [taylor]: Taking taylor expansion of v in v
5.520 * [taylor]: Taking taylor expansion of (/ 1 (pow v 2)) in v
5.520 * [taylor]: Taking taylor expansion of (pow v 2) in v
5.520 * [taylor]: Taking taylor expansion of v in v
5.543 * [approximate]: Taking taylor expansion of (+ (/ 1 (pow v 4)) (/ 1 (pow v 2))) in (v) around 0
5.543 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow v 4)) (/ 1 (pow v 2))) in v
5.543 * [taylor]: Taking taylor expansion of (/ 1 (pow v 4)) in v
5.543 * [taylor]: Taking taylor expansion of (pow v 4) in v
5.543 * [taylor]: Taking taylor expansion of v in v
5.544 * [taylor]: Taking taylor expansion of (/ 1 (pow v 2)) in v
5.544 * [taylor]: Taking taylor expansion of (pow v 2) in v
5.544 * [taylor]: Taking taylor expansion of v in v
5.545 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow v 4)) (/ 1 (pow v 2))) in v
5.545 * [taylor]: Taking taylor expansion of (/ 1 (pow v 4)) in v
5.545 * [taylor]: Taking taylor expansion of (pow v 4) in v
5.545 * [taylor]: Taking taylor expansion of v in v
5.545 * [taylor]: Taking taylor expansion of (/ 1 (pow v 2)) in v
5.545 * [taylor]: Taking taylor expansion of (pow v 2) in v
5.545 * [taylor]: Taking taylor expansion of v in v
5.571 * * * [progress]: simplifying candidates
5.572 * [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))
5.574 * * [simplify]: iteration  0 :  75  enodes  (cost  668 )
5.591 * * [simplify]: iteration  1 :  196  enodes  (cost  626 )
5.643 * * [simplify]: iteration  2 :  724  enodes  (cost  546 )
6.431 * * [simplify]: iteration  3 :  4114  enodes  (cost  542 )
8.659 * * [simplify]: iteration  done :  5001  enodes  (cost  542 )
8.659 * [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 3))))
  (sqrt (* v (+ v (pow v 3))))
  (+ (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 3)))
  (* v (+ v (pow v 3)))
  (* v (+ v (pow v 3)))
8.660 * * * [progress]: adding candidates to table
8.766 * * [progress]: iteration 4 / 4
8.766 * * * [progress]: picking best candidate
8.771 * * * * [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)))))>
8.771 * * * [progress]: localizing error
8.782 * * * [progress]: generating rewritten candidates
8.782 * * * * [progress]: [ 1 / 4 ] rewriting at (2)
8.789 * * * * [progress]: [ 2 / 4 ] rewriting at (2 2)
8.790 * * * * [progress]: [ 3 / 4 ] rewriting at (2 1)
8.790 * * * * [progress]: [ 4 / 4 ] rewriting at (2 2 1)
8.793 * * * [progress]: generating series expansions
8.793 * * * * [progress]: [ 1 / 4 ] generating series at (2)
8.793 * [approximate]: Taking taylor expansion of (acos (- (+ (* 4.0 (pow v 2)) (* 4.0 (pow v 4))) 1.0)) in (v) around 0
8.794 * [taylor]: Taking taylor expansion of (acos (- (+ (* 4.0 (pow v 2)) (* 4.0 (pow v 4))) 1.0)) in v
8.794 * [taylor]: Taking taylor expansion of (acos (- (+ (* 4.0 (pow v 2)) (* 4.0 (pow v 4))) 1.0)) in v
8.795 * [approximate]: Taking taylor expansion of (acos (- (+ (* 4.0 (/ 1 (pow v 4))) (* 4.0 (/ 1 (pow v 2)))) 1.0)) in (v) around 0
8.795 * [taylor]: Taking taylor expansion of (acos (- (+ (* 4.0 (/ 1 (pow v 4))) (* 4.0 (/ 1 (pow v 2)))) 1.0)) in v
8.795 * [taylor]: Taking taylor expansion of (acos (- (+ (* 4.0 (/ 1 (pow v 4))) (* 4.0 (/ 1 (pow v 2)))) 1.0)) in v
8.797 * [approximate]: Taking taylor expansion of (acos (- (+ (* 4.0 (/ 1 (pow v 4))) (* 4.0 (/ 1 (pow v 2)))) 1.0)) in (v) around 0
8.797 * [taylor]: Taking taylor expansion of (acos (- (+ (* 4.0 (/ 1 (pow v 4))) (* 4.0 (/ 1 (pow v 2)))) 1.0)) in v
8.797 * [taylor]: Taking taylor expansion of (acos (- (+ (* 4.0 (/ 1 (pow v 4))) (* 4.0 (/ 1 (pow v 2)))) 1.0)) in v
8.798 * * * * [progress]: [ 2 / 4 ] generating series at (2 2)
8.798 * [approximate]: Taking taylor expansion of (sqrt (acos (- (+ (* 4.0 (pow v 2)) (* 4.0 (pow v 4))) 1.0))) in (v) around 0
8.798 * [taylor]: Taking taylor expansion of (sqrt (acos (- (+ (* 4.0 (pow v 2)) (* 4.0 (pow v 4))) 1.0))) in v
8.798 * [taylor]: Taking taylor expansion of (acos (- (+ (* 4.0 (pow v 2)) (* 4.0 (pow v 4))) 1.0)) in v
8.799 * [taylor]: Taking taylor expansion of (sqrt (acos (- (+ (* 4.0 (pow v 2)) (* 4.0 (pow v 4))) 1.0))) in v
8.799 * [taylor]: Taking taylor expansion of (acos (- (+ (* 4.0 (pow v 2)) (* 4.0 (pow v 4))) 1.0)) in v
8.805 * [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
8.805 * [taylor]: Taking taylor expansion of (sqrt (acos (- (+ (* 4.0 (/ 1 (pow v 4))) (* 4.0 (/ 1 (pow v 2)))) 1.0))) in v
8.805 * [taylor]: Taking taylor expansion of (acos (- (+ (* 4.0 (/ 1 (pow v 4))) (* 4.0 (/ 1 (pow v 2)))) 1.0)) in v
8.805 * [taylor]: Taking taylor expansion of (sqrt (acos (- (+ (* 4.0 (/ 1 (pow v 4))) (* 4.0 (/ 1 (pow v 2)))) 1.0))) in v
8.806 * [taylor]: Taking taylor expansion of (acos (- (+ (* 4.0 (/ 1 (pow v 4))) (* 4.0 (/ 1 (pow v 2)))) 1.0)) in v
8.811 * [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
8.811 * [taylor]: Taking taylor expansion of (sqrt (acos (- (+ (* 4.0 (/ 1 (pow v 4))) (* 4.0 (/ 1 (pow v 2)))) 1.0))) in v
8.811 * [taylor]: Taking taylor expansion of (acos (- (+ (* 4.0 (/ 1 (pow v 4))) (* 4.0 (/ 1 (pow v 2)))) 1.0)) in v
8.812 * [taylor]: Taking taylor expansion of (sqrt (acos (- (+ (* 4.0 (/ 1 (pow v 4))) (* 4.0 (/ 1 (pow v 2)))) 1.0))) in v
8.812 * [taylor]: Taking taylor expansion of (acos (- (+ (* 4.0 (/ 1 (pow v 4))) (* 4.0 (/ 1 (pow v 2)))) 1.0)) in v
8.821 * * * * [progress]: [ 3 / 4 ] generating series at (2 1)
8.821 * [approximate]: Taking taylor expansion of (sqrt (acos (- (+ (* 4.0 (pow v 2)) (* 4.0 (pow v 4))) 1.0))) in (v) around 0
8.821 * [taylor]: Taking taylor expansion of (sqrt (acos (- (+ (* 4.0 (pow v 2)) (* 4.0 (pow v 4))) 1.0))) in v
8.821 * [taylor]: Taking taylor expansion of (acos (- (+ (* 4.0 (pow v 2)) (* 4.0 (pow v 4))) 1.0)) in v
8.822 * [taylor]: Taking taylor expansion of (sqrt (acos (- (+ (* 4.0 (pow v 2)) (* 4.0 (pow v 4))) 1.0))) in v
8.822 * [taylor]: Taking taylor expansion of (acos (- (+ (* 4.0 (pow v 2)) (* 4.0 (pow v 4))) 1.0)) in v
8.828 * [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
8.828 * [taylor]: Taking taylor expansion of (sqrt (acos (- (+ (* 4.0 (/ 1 (pow v 4))) (* 4.0 (/ 1 (pow v 2)))) 1.0))) in v
8.828 * [taylor]: Taking taylor expansion of (acos (- (+ (* 4.0 (/ 1 (pow v 4))) (* 4.0 (/ 1 (pow v 2)))) 1.0)) in v
8.829 * [taylor]: Taking taylor expansion of (sqrt (acos (- (+ (* 4.0 (/ 1 (pow v 4))) (* 4.0 (/ 1 (pow v 2)))) 1.0))) in v
8.829 * [taylor]: Taking taylor expansion of (acos (- (+ (* 4.0 (/ 1 (pow v 4))) (* 4.0 (/ 1 (pow v 2)))) 1.0)) in v
8.835 * [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
8.835 * [taylor]: Taking taylor expansion of (sqrt (acos (- (+ (* 4.0 (/ 1 (pow v 4))) (* 4.0 (/ 1 (pow v 2)))) 1.0))) in v
8.835 * [taylor]: Taking taylor expansion of (acos (- (+ (* 4.0 (/ 1 (pow v 4))) (* 4.0 (/ 1 (pow v 2)))) 1.0)) in v
8.835 * [taylor]: Taking taylor expansion of (sqrt (acos (- (+ (* 4.0 (/ 1 (pow v 4))) (* 4.0 (/ 1 (pow v 2)))) 1.0))) in v
8.835 * [taylor]: Taking taylor expansion of (acos (- (+ (* 4.0 (/ 1 (pow v 4))) (* 4.0 (/ 1 (pow v 2)))) 1.0)) in v
8.841 * * * * [progress]: [ 4 / 4 ] generating series at (2 2 1)
8.841 * [approximate]: Taking taylor expansion of (acos (- (+ (* 4.0 (pow v 2)) (* 4.0 (pow v 4))) 1.0)) in (v) around 0
8.841 * [taylor]: Taking taylor expansion of (acos (- (+ (* 4.0 (pow v 2)) (* 4.0 (pow v 4))) 1.0)) in v
8.842 * [taylor]: Taking taylor expansion of (acos (- (+ (* 4.0 (pow v 2)) (* 4.0 (pow v 4))) 1.0)) in v
8.843 * [approximate]: Taking taylor expansion of (acos (- (+ (* 4.0 (/ 1 (pow v 4))) (* 4.0 (/ 1 (pow v 2)))) 1.0)) in (v) around 0
8.843 * [taylor]: Taking taylor expansion of (acos (- (+ (* 4.0 (/ 1 (pow v 4))) (* 4.0 (/ 1 (pow v 2)))) 1.0)) in v
8.843 * [taylor]: Taking taylor expansion of (acos (- (+ (* 4.0 (/ 1 (pow v 4))) (* 4.0 (/ 1 (pow v 2)))) 1.0)) in v
8.844 * [approximate]: Taking taylor expansion of (acos (- (+ (* 4.0 (/ 1 (pow v 4))) (* 4.0 (/ 1 (pow v 2)))) 1.0)) in (v) around 0
8.844 * [taylor]: Taking taylor expansion of (acos (- (+ (* 4.0 (/ 1 (pow v 4))) (* 4.0 (/ 1 (pow v 2)))) 1.0)) in v
8.844 * [taylor]: Taking taylor expansion of (acos (- (+ (* 4.0 (/ 1 (pow v 4))) (* 4.0 (/ 1 (pow v 2)))) 1.0)) in v
8.845 * * * [progress]: simplifying candidates
8.847 * [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))
8.851 * * [simplify]: iteration  0 :  72  enodes  (cost  2344 )
8.869 * * [simplify]: iteration  1 :  124  enodes  (cost  1615 )
8.905 * * [simplify]: iteration  2 :  343  enodes  (cost  1445 )
9.166 * * [simplify]: iteration  3 :  1771  enodes  (cost  1376 )
10.352 * * [simplify]: iteration  done :  5000  enodes  (cost  1376 )
10.353 * [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)
  (* (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)
  (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)))))
  (* (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)))
  (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)))) 4) (cbrt (sqrt (acos (- (* 4.0 (+ (* v v) (pow v 4))) 1.0)))))
  (* (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)))
  (* (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)))
  (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))
10.353 * * * [progress]: adding candidates to table
10.504 * [progress]: [Phase 3 of 3] Extracting.
10.504 * * [regime]: Finding splitpoints for: (#<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) (* (* (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) (acos (* (sqrt (- 1.0 (* 5.0 (* v v)))) (/ (sqrt (- 1.0 (* 5.0 (* v v)))) (- (* v v) 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))))))>)
10.506 * * * [regime-changes]: Trying 2 branch expressions: ((* v v) v)
10.506 * * * * [regimes]: Trying to branch on (* v v) from (#<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) (* (* (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) (acos (* (sqrt (- 1.0 (* 5.0 (* v v)))) (/ (sqrt (- 1.0 (* 5.0 (* v v)))) (- (* v v) 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))))))>)
10.522 * * * * [regimes]: Trying to branch on v from (#<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) (* (* (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) (acos (* (sqrt (- 1.0 (* 5.0 (* v v)))) (/ (sqrt (- 1.0 (* 5.0 (* v v)))) (- (* v v) 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))))))>)
10.542 * * * [regime]: Found split indices: #<option (#s(si 2 255))>
10.543 * [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))))
10.543 * * [simplify]: iteration  0 :  11  enodes  (cost  24 )
10.543 * * [simplify]: iteration  1 :  13  enodes  (cost  24 )
10.544 * * [simplify]: iteration  done :  13  enodes  (cost  24 )
10.544 * [simplify]: Simplified to:
   (acos (* (sqrt (- 1.0 (* 5.0 (* v v)))) (/ (sqrt (- 1.0 (* 5.0 (* v v)))) (- (* v v) 1.0))))
13.103 * [regime-testing]: Baseline error score: 0.5774905486246754
13.103 * [regime-testing]: Oracle error score: 0.5021220492380827
13.104 * [regime-testing]: End program error score: 0.5774905486246754