36.324 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.039 * * * [progress]: [2/2] Setting up program.
0.042 * [progress]: [Phase 2 of 3] Improving.
0.043 * [simplify]: Simplifying:
  (/ a (- (acos a)))
0.043 * * [simplify]: Extracting # 0 : cost  0
0.043 * * [simplify]: Extracting # 1 : cost  0
0.043 * * [simplify]: Extracting # 2 : cost  0
0.043 * * [simplify]: Extracting # 3 : cost  0
0.043 * * [simplify]: Extracting # 4 : cost  0
0.043 * * [simplify]: iteration  0 :  4  enodes  (cost  5 )
0.044 * * [simplify]: Extracting # 0 : cost  0
0.044 * * [simplify]: iteration done:  4  enodes  (cost  5 )
0.044 * [simplify]: Simplified to:
  (/ a (- (acos a)))
0.045 * * [progress]: iteration 1 / 4
0.045 * * * [progress]: picking best candidate
0.047 * * * * [pick]: Picked  #<alt (λ (a) (/ a (- (acos a))))>
0.047 * * * [progress]: localizing error
0.055 * * * [progress]: generating rewritten candidates
0.055 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.065 * * * [progress]: generating series expansions
0.065 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.065 * [backup-simplify]: Simplify (/ a (- (acos a))) into (* -1 (/ a (acos a)))
0.065 * [approximate]: Taking taylor expansion of (* -1 (/ a (acos a))) in (a) around 0
0.065 * [taylor]: Taking taylor expansion of (* -1 (/ a (acos a))) in a
0.065 * [taylor]: Taking taylor expansion of -1 in a
0.065 * [backup-simplify]: Simplify -1 into -1
0.065 * [taylor]: Taking taylor expansion of (/ a (acos a)) in a
0.065 * [taylor]: Taking taylor expansion of a in a
0.065 * [backup-simplify]: Simplify 0 into 0
0.065 * [backup-simplify]: Simplify 1 into 1
0.065 * [taylor]: Taking taylor expansion of (acos a) in a
0.065 * [backup-simplify]: Simplify (acos a) into (acos a)
0.065 * [backup-simplify]: Simplify (/ 1 (acos a)) into (/ 1 (acos a))
0.065 * [taylor]: Taking taylor expansion of (* -1 (/ a (acos a))) in a
0.065 * [taylor]: Taking taylor expansion of -1 in a
0.065 * [backup-simplify]: Simplify -1 into -1
0.065 * [taylor]: Taking taylor expansion of (/ a (acos a)) in a
0.065 * [taylor]: Taking taylor expansion of a in a
0.065 * [backup-simplify]: Simplify 0 into 0
0.065 * [backup-simplify]: Simplify 1 into 1
0.065 * [taylor]: Taking taylor expansion of (acos a) in a
0.065 * [backup-simplify]: Simplify (acos a) into (acos a)
0.066 * [backup-simplify]: Simplify (/ 1 (acos a)) into (/ 1 (acos a))
0.066 * [backup-simplify]: Simplify (* -1 (/ 1 (acos a))) into (/ -1 (acos a))
0.066 * [backup-simplify]: Simplify (/ -1 (acos a)) into (/ -1 (acos a))
0.066 * [backup-simplify]: Simplify (- (/ 0 (acos a)) (+ (* (/ 1 (acos a)) (/ 0 (acos a))))) into 0
0.066 * [backup-simplify]: Simplify (+ (* -1 0) (* 0 (/ 1 (acos a)))) into 0
0.066 * [backup-simplify]: Simplify 0 into 0
0.067 * [backup-simplify]: Simplify (- (/ 0 (acos a)) (+ (* (/ 1 (acos a)) (/ 0 (acos a))) (* 0 (/ 0 (acos a))))) into 0
0.067 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (* 0 (/ 1 (acos a))))) into 0
0.067 * [backup-simplify]: Simplify 0 into 0
0.067 * [backup-simplify]: Simplify (- (/ 0 (acos a)) (+ (* (/ 1 (acos a)) (/ 0 (acos a))) (* 0 (/ 0 (acos a))) (* 0 (/ 0 (acos a))))) into 0
0.068 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 0) (* 0 (/ 1 (acos a)))))) into 0
0.068 * [backup-simplify]: Simplify 0 into 0
0.069 * [backup-simplify]: Simplify (- (/ 0 (acos a)) (+ (* (/ 1 (acos a)) (/ 0 (acos a))) (* 0 (/ 0 (acos a))) (* 0 (/ 0 (acos a))) (* 0 (/ 0 (acos a))))) into 0
0.069 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (/ 1 (acos a))))))) into 0
0.070 * [backup-simplify]: Simplify 0 into 0
0.070 * [backup-simplify]: Simplify (- (/ 0 (acos a)) (+ (* (/ 1 (acos a)) (/ 0 (acos a))) (* 0 (/ 0 (acos a))) (* 0 (/ 0 (acos a))) (* 0 (/ 0 (acos a))) (* 0 (/ 0 (acos a))))) into 0
0.071 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (/ 1 (acos a)))))))) into 0
0.071 * [backup-simplify]: Simplify 0 into 0
0.071 * [backup-simplify]: Simplify (- (/ 0 (acos a)) (+ (* (/ 1 (acos a)) (/ 0 (acos a))) (* 0 (/ 0 (acos a))) (* 0 (/ 0 (acos a))) (* 0 (/ 0 (acos a))) (* 0 (/ 0 (acos a))) (* 0 (/ 0 (acos a))))) into 0
0.073 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (/ 1 (acos a))))))))) into 0
0.073 * [backup-simplify]: Simplify 0 into 0
0.073 * [backup-simplify]: Simplify (* (/ -1 (acos a)) a) into (* -1 (/ a (acos a)))
0.073 * [backup-simplify]: Simplify (/ (/ 1 a) (- (acos (/ 1 a)))) into (/ -1 (* (acos (/ 1 a)) a))
0.073 * [approximate]: Taking taylor expansion of (/ -1 (* (acos (/ 1 a)) a)) in (a) around 0
0.073 * [taylor]: Taking taylor expansion of (/ -1 (* (acos (/ 1 a)) a)) in a
0.073 * [taylor]: Taking taylor expansion of -1 in a
0.073 * [backup-simplify]: Simplify -1 into -1
0.073 * [taylor]: Taking taylor expansion of (* (acos (/ 1 a)) a) in a
0.073 * [taylor]: Taking taylor expansion of (acos (/ 1 a)) in a
0.073 * [backup-simplify]: Simplify (acos (/ 1 a)) into (acos (/ 1 a))
0.073 * [taylor]: Taking taylor expansion of a in a
0.073 * [backup-simplify]: Simplify 0 into 0
0.073 * [backup-simplify]: Simplify 1 into 1
0.073 * [backup-simplify]: Simplify (* (acos (/ 1 a)) 0) into 0
0.074 * [backup-simplify]: Simplify (+ (* (acos (/ 1 a)) 1) (* 0 0)) into (acos (/ 1 a))
0.074 * [backup-simplify]: Simplify (/ -1 (acos (/ 1 a))) into (/ -1 (acos (/ 1 a)))
0.074 * [taylor]: Taking taylor expansion of (/ -1 (* (acos (/ 1 a)) a)) in a
0.074 * [taylor]: Taking taylor expansion of -1 in a
0.074 * [backup-simplify]: Simplify -1 into -1
0.074 * [taylor]: Taking taylor expansion of (* (acos (/ 1 a)) a) in a
0.074 * [taylor]: Taking taylor expansion of (acos (/ 1 a)) in a
0.074 * [backup-simplify]: Simplify (acos (/ 1 a)) into (acos (/ 1 a))
0.074 * [taylor]: Taking taylor expansion of a in a
0.074 * [backup-simplify]: Simplify 0 into 0
0.074 * [backup-simplify]: Simplify 1 into 1
0.074 * [backup-simplify]: Simplify (* (acos (/ 1 a)) 0) into 0
0.074 * [backup-simplify]: Simplify (+ (* (acos (/ 1 a)) 1) (* 0 0)) into (acos (/ 1 a))
0.074 * [backup-simplify]: Simplify (/ -1 (acos (/ 1 a))) into (/ -1 (acos (/ 1 a)))
0.074 * [backup-simplify]: Simplify (/ -1 (acos (/ 1 a))) into (/ -1 (acos (/ 1 a)))
0.075 * [backup-simplify]: Simplify (+ (* (acos (/ 1 a)) 0) (+ (* 0 1) (* 0 0))) into 0
0.075 * [backup-simplify]: Simplify (- (/ 0 (acos (/ 1 a))) (+ (* (/ -1 (acos (/ 1 a))) (/ 0 (acos (/ 1 a)))))) into 0
0.075 * [backup-simplify]: Simplify 0 into 0
0.075 * [backup-simplify]: Simplify (+ (* (acos (/ 1 a)) 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))) into 0
0.076 * [backup-simplify]: Simplify (- (/ 0 (acos (/ 1 a))) (+ (* (/ -1 (acos (/ 1 a))) (/ 0 (acos (/ 1 a)))) (* 0 (/ 0 (acos (/ 1 a)))))) into 0
0.076 * [backup-simplify]: Simplify 0 into 0
0.076 * [backup-simplify]: Simplify (+ (* (acos (/ 1 a)) 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0))))) into 0
0.077 * [backup-simplify]: Simplify (- (/ 0 (acos (/ 1 a))) (+ (* (/ -1 (acos (/ 1 a))) (/ 0 (acos (/ 1 a)))) (* 0 (/ 0 (acos (/ 1 a)))) (* 0 (/ 0 (acos (/ 1 a)))))) into 0
0.077 * [backup-simplify]: Simplify 0 into 0
0.077 * [backup-simplify]: Simplify (+ (* (acos (/ 1 a)) 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))))) into 0
0.078 * [backup-simplify]: Simplify (- (/ 0 (acos (/ 1 a))) (+ (* (/ -1 (acos (/ 1 a))) (/ 0 (acos (/ 1 a)))) (* 0 (/ 0 (acos (/ 1 a)))) (* 0 (/ 0 (acos (/ 1 a)))) (* 0 (/ 0 (acos (/ 1 a)))))) into 0
0.078 * [backup-simplify]: Simplify 0 into 0
0.079 * [backup-simplify]: Simplify (+ (* (acos (/ 1 a)) 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0))))))) into 0
0.080 * [backup-simplify]: Simplify (- (/ 0 (acos (/ 1 a))) (+ (* (/ -1 (acos (/ 1 a))) (/ 0 (acos (/ 1 a)))) (* 0 (/ 0 (acos (/ 1 a)))) (* 0 (/ 0 (acos (/ 1 a)))) (* 0 (/ 0 (acos (/ 1 a)))) (* 0 (/ 0 (acos (/ 1 a)))))) into 0
0.080 * [backup-simplify]: Simplify 0 into 0
0.081 * [backup-simplify]: Simplify (+ (* (acos (/ 1 a)) 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))))))) into 0
0.082 * [backup-simplify]: Simplify (- (/ 0 (acos (/ 1 a))) (+ (* (/ -1 (acos (/ 1 a))) (/ 0 (acos (/ 1 a)))) (* 0 (/ 0 (acos (/ 1 a)))) (* 0 (/ 0 (acos (/ 1 a)))) (* 0 (/ 0 (acos (/ 1 a)))) (* 0 (/ 0 (acos (/ 1 a)))) (* 0 (/ 0 (acos (/ 1 a)))))) into 0
0.082 * [backup-simplify]: Simplify 0 into 0
0.082 * [backup-simplify]: Simplify (* (/ -1 (acos (/ 1 (/ 1 a)))) (/ 1 (/ 1 a))) into (* -1 (/ a (acos a)))
0.082 * [backup-simplify]: Simplify (/ (/ 1 (- a)) (- (acos (/ 1 (- a))))) into (/ 1 (* a (acos (/ -1 a))))
0.082 * [approximate]: Taking taylor expansion of (/ 1 (* a (acos (/ -1 a)))) in (a) around 0
0.082 * [taylor]: Taking taylor expansion of (/ 1 (* a (acos (/ -1 a)))) in a
0.082 * [taylor]: Taking taylor expansion of (* a (acos (/ -1 a))) in a
0.082 * [taylor]: Taking taylor expansion of a in a
0.082 * [backup-simplify]: Simplify 0 into 0
0.082 * [backup-simplify]: Simplify 1 into 1
0.082 * [taylor]: Taking taylor expansion of (acos (/ -1 a)) in a
0.082 * [backup-simplify]: Simplify (acos (/ -1 a)) into (acos (/ -1 a))
0.083 * [backup-simplify]: Simplify (* 0 (acos (/ -1 a))) into 0
0.083 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 (acos (/ -1 a)))) into (acos (/ -1 a))
0.083 * [backup-simplify]: Simplify (/ 1 (acos (/ -1 a))) into (/ 1 (acos (/ -1 a)))
0.083 * [taylor]: Taking taylor expansion of (/ 1 (* a (acos (/ -1 a)))) in a
0.083 * [taylor]: Taking taylor expansion of (* a (acos (/ -1 a))) in a
0.083 * [taylor]: Taking taylor expansion of a in a
0.083 * [backup-simplify]: Simplify 0 into 0
0.083 * [backup-simplify]: Simplify 1 into 1
0.083 * [taylor]: Taking taylor expansion of (acos (/ -1 a)) in a
0.083 * [backup-simplify]: Simplify (acos (/ -1 a)) into (acos (/ -1 a))
0.083 * [backup-simplify]: Simplify (* 0 (acos (/ -1 a))) into 0
0.084 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 (acos (/ -1 a)))) into (acos (/ -1 a))
0.084 * [backup-simplify]: Simplify (/ 1 (acos (/ -1 a))) into (/ 1 (acos (/ -1 a)))
0.084 * [backup-simplify]: Simplify (/ 1 (acos (/ -1 a))) into (/ 1 (acos (/ -1 a)))
0.085 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (* 0 (acos (/ -1 a))))) into 0
0.085 * [backup-simplify]: Simplify (- (+ (* (/ 1 (acos (/ -1 a))) (/ 0 (acos (/ -1 a)))))) into 0
0.085 * [backup-simplify]: Simplify 0 into 0
0.086 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (* 0 (acos (/ -1 a)))))) into 0
0.087 * [backup-simplify]: Simplify (- (+ (* (/ 1 (acos (/ -1 a))) (/ 0 (acos (/ -1 a)))) (* 0 (/ 0 (acos (/ -1 a)))))) into 0
0.087 * [backup-simplify]: Simplify 0 into 0
0.088 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 (acos (/ -1 a))))))) into 0
0.089 * [backup-simplify]: Simplify (- (+ (* (/ 1 (acos (/ -1 a))) (/ 0 (acos (/ -1 a)))) (* 0 (/ 0 (acos (/ -1 a)))) (* 0 (/ 0 (acos (/ -1 a)))))) into 0
0.089 * [backup-simplify]: Simplify 0 into 0
0.090 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (acos (/ -1 a)))))))) into 0
0.091 * [backup-simplify]: Simplify (- (+ (* (/ 1 (acos (/ -1 a))) (/ 0 (acos (/ -1 a)))) (* 0 (/ 0 (acos (/ -1 a)))) (* 0 (/ 0 (acos (/ -1 a)))) (* 0 (/ 0 (acos (/ -1 a)))))) into 0
0.091 * [backup-simplify]: Simplify 0 into 0
0.093 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (acos (/ -1 a))))))))) into 0
0.093 * [backup-simplify]: Simplify (- (+ (* (/ 1 (acos (/ -1 a))) (/ 0 (acos (/ -1 a)))) (* 0 (/ 0 (acos (/ -1 a)))) (* 0 (/ 0 (acos (/ -1 a)))) (* 0 (/ 0 (acos (/ -1 a)))) (* 0 (/ 0 (acos (/ -1 a)))))) into 0
0.093 * [backup-simplify]: Simplify 0 into 0
0.107 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (acos (/ -1 a)))))))))) into 0
0.107 * [backup-simplify]: Simplify (- (+ (* (/ 1 (acos (/ -1 a))) (/ 0 (acos (/ -1 a)))) (* 0 (/ 0 (acos (/ -1 a)))) (* 0 (/ 0 (acos (/ -1 a)))) (* 0 (/ 0 (acos (/ -1 a)))) (* 0 (/ 0 (acos (/ -1 a)))) (* 0 (/ 0 (acos (/ -1 a)))))) into 0
0.108 * [backup-simplify]: Simplify 0 into 0
0.108 * [backup-simplify]: Simplify (* (/ 1 (acos (/ -1 (/ 1 (- a))))) (/ 1 (/ 1 (- a)))) into (* -1 (/ a (acos a)))
0.108 * * * [progress]: simplifying candidates
0.110 * [simplify]: Simplifying:
  (expm1 (/ a (- (acos a))))
  (log1p (/ a (- (acos a))))
  (- (log a) (log (- (acos a))))
  (log (/ a (- (acos a))))
  (exp (/ a (- (acos a))))
  (/ (* (* a a) a) (* (* (- (acos a)) (- (acos a))) (- (acos a))))
  (* (cbrt (/ a (- (acos a)))) (cbrt (/ a (- (acos a)))))
  (cbrt (/ a (- (acos a))))
  (* (* (/ a (- (acos a))) (/ a (- (acos a)))) (/ a (- (acos a))))
  (sqrt (/ a (- (acos a))))
  (sqrt (/ a (- (acos a))))
  (- a)
  (- (- (acos a)))
  (/ (* (cbrt a) (cbrt a)) (* (cbrt (- (acos a))) (cbrt (- (acos a)))))
  (/ (cbrt a) (cbrt (- (acos a))))
  (/ (* (cbrt a) (cbrt a)) (sqrt (- (acos a))))
  (/ (cbrt a) (sqrt (- (acos a))))
  (/ (* (cbrt a) (cbrt a)) 1)
  (/ (cbrt a) (- (acos a)))
  (/ (* (cbrt a) (cbrt a)) -1)
  (/ (cbrt a) (acos a))
  (/ (* (cbrt a) (cbrt a)) (- (* (cbrt (acos a)) (cbrt (acos a)))))
  (/ (cbrt a) (cbrt (acos a)))
  (/ (* (cbrt a) (cbrt a)) (- (sqrt (acos a))))
  (/ (cbrt a) (sqrt (acos a)))
  (/ (* (cbrt a) (cbrt a)) (- 1))
  (/ (cbrt a) (acos a))
  (/ (* (cbrt a) (cbrt a)) (* (cbrt (acos a)) (cbrt (acos a))))
  (/ (cbrt a) (- (cbrt (acos a))))
  (/ (* (cbrt a) (cbrt a)) (sqrt (acos a)))
  (/ (cbrt a) (- (sqrt (acos a))))
  (/ (* (cbrt a) (cbrt a)) 1)
  (/ (cbrt a) (- (acos a)))
  (/ (sqrt a) (* (cbrt (- (acos a))) (cbrt (- (acos a)))))
  (/ (sqrt a) (cbrt (- (acos a))))
  (/ (sqrt a) (sqrt (- (acos a))))
  (/ (sqrt a) (sqrt (- (acos a))))
  (/ (sqrt a) 1)
  (/ (sqrt a) (- (acos a)))
  (/ (sqrt a) -1)
  (/ (sqrt a) (acos a))
  (/ (sqrt a) (- (* (cbrt (acos a)) (cbrt (acos a)))))
  (/ (sqrt a) (cbrt (acos a)))
  (/ (sqrt a) (- (sqrt (acos a))))
  (/ (sqrt a) (sqrt (acos a)))
  (/ (sqrt a) (- 1))
  (/ (sqrt a) (acos a))
  (/ (sqrt a) (* (cbrt (acos a)) (cbrt (acos a))))
  (/ (sqrt a) (- (cbrt (acos a))))
  (/ (sqrt a) (sqrt (acos a)))
  (/ (sqrt a) (- (sqrt (acos a))))
  (/ (sqrt a) 1)
  (/ (sqrt a) (- (acos a)))
  (/ 1 (* (cbrt (- (acos a))) (cbrt (- (acos a)))))
  (/ a (cbrt (- (acos a))))
  (/ 1 (sqrt (- (acos a))))
  (/ a (sqrt (- (acos a))))
  (/ 1 1)
  (/ a (- (acos a)))
  (/ 1 -1)
  (/ a (acos a))
  (/ 1 (- (* (cbrt (acos a)) (cbrt (acos a)))))
  (/ a (cbrt (acos a)))
  (/ 1 (- (sqrt (acos a))))
  (/ a (sqrt (acos a)))
  (/ 1 (- 1))
  (/ a (acos a))
  (/ 1 (* (cbrt (acos a)) (cbrt (acos a))))
  (/ a (- (cbrt (acos a))))
  (/ 1 (sqrt (acos a)))
  (/ a (- (sqrt (acos a))))
  (/ 1 1)
  (/ a (- (acos a)))
  (/ 1 (- (acos a)))
  (/ (- (acos a)) a)
  (/ a (* (cbrt (- (acos a))) (cbrt (- (acos a)))))
  (/ a (sqrt (- (acos a))))
  (/ a 1)
  (/ a -1)
  (/ a (- (* (cbrt (acos a)) (cbrt (acos a)))))
  (/ a (- (sqrt (acos a))))
  (/ a (- 1))
  (/ a (* (cbrt (acos a)) (cbrt (acos a))))
  (/ a (sqrt (acos a)))
  (/ a 1)
  (/ (- (acos a)) (cbrt a))
  (/ (- (acos a)) (sqrt a))
  (/ (- (acos a)) a)
  (* -1 (/ a (acos a)))
  (* -1 (/ a (acos a)))
  (* -1 (/ a (acos a)))
0.112 * * [simplify]: Extracting # 0 : cost  0
0.112 * * [simplify]: Extracting # 1 : cost  0
0.112 * * [simplify]: Extracting # 2 : cost  0
0.113 * * [simplify]: Extracting # 3 : cost  0
0.113 * * [simplify]: Extracting # 4 : cost  0
0.113 * * [simplify]: iteration  0 :  96  enodes  (cost  613 )
0.156 * * [simplify]: Extracting # 0 : cost  0
0.157 * * [simplify]: Extracting # 1 : cost  0
0.157 * * [simplify]: Extracting # 2 : cost  0
0.158 * * [simplify]: Extracting # 3 : cost  0
0.158 * * [simplify]: iteration  1 :  166  enodes  (cost  581 )
0.216 * * [simplify]: Extracting # 0 : cost  0
0.217 * * [simplify]: Extracting # 1 : cost  0
0.217 * * [simplify]: Extracting # 2 : cost  0
0.217 * * [simplify]: Extracting # 3 : cost  0
0.218 * * [simplify]: Extracting # 4 : cost  0
0.218 * * [simplify]: iteration  2 :  333  enodes  (cost  563 )
0.345 * * [simplify]: Extracting # 0 : cost  0
0.346 * * [simplify]: Extracting # 1 : cost  0
0.347 * * [simplify]: Extracting # 2 : cost  0
0.348 * * [simplify]: Extracting # 3 : cost  0
0.349 * * [simplify]: Extracting # 4 : cost  0
0.349 * * [simplify]: iteration  3 :  587  enodes  (cost  563 )
0.607 * * [simplify]: Extracting # 0 : cost  0
0.608 * * [simplify]: Extracting # 1 : cost  0
0.609 * * [simplify]: Extracting # 2 : cost  0
0.609 * * [simplify]: Extracting # 3 : cost  0
0.610 * * [simplify]: Extracting # 4 : cost  0
0.611 * * [simplify]: iteration  4 :  1105  enodes  (cost  563 )
1.906 * * [simplify]: Extracting # 0 : cost  0
1.910 * * [simplify]: Extracting # 1 : cost  0
1.912 * * [simplify]: Extracting # 2 : cost  0
1.914 * * [simplify]: Extracting # 3 : cost  0
1.917 * * [simplify]: Extracting # 4 : cost  0
1.919 * * [simplify]: iteration  5 :  2150  enodes  (cost  558 )
4.799 * * [simplify]: Extracting # 0 : cost  0
4.809 * * [simplify]: Extracting # 1 : cost  0
4.815 * * [simplify]: Extracting # 2 : cost  0
4.821 * * [simplify]: Extracting # 3 : cost  0
4.827 * * [simplify]: Extracting # 4 : cost  0
4.833 * * [simplify]: iteration done:  5001  enodes  (cost  558 )
4.833 * [simplify]: Simplified to:
  (expm1 (/ a (- (acos a))))
  (log1p (/ a (- (acos a))))
  (log (/ a (- (acos a))))
  (log (/ a (- (acos a))))
  (exp (/ a (- (acos a))))
  (pow (/ a (- (acos a))) 3)
  (* (cbrt (/ a (- (acos a)))) (cbrt (/ a (- (acos a)))))
  (cbrt (/ a (- (acos a))))
  (pow (/ a (- (acos a))) 3)
  (sqrt (/ a (- (acos a))))
  (sqrt (/ a (- (acos a))))
  (- a)
  (acos a)
  (/ (* (cbrt a) (cbrt a)) (* (cbrt (- (acos a))) (cbrt (- (acos a)))))
  (/ (cbrt a) (cbrt (- (acos a))))
  (/ (* (cbrt a) (cbrt a)) (sqrt (- (acos a))))
  (/ (cbrt a) (sqrt (- (acos a))))
  (* (cbrt a) (cbrt a))
  (/ (cbrt a) (- (acos a)))
  (/ (* (cbrt a) (cbrt a)) -1)
  (/ (cbrt a) (acos a))
  (/ (* (cbrt a) (cbrt a)) (- (* (cbrt (acos a)) (cbrt (acos a)))))
  (/ (cbrt a) (cbrt (acos a)))
  (/ (* (cbrt a) (cbrt a)) (- (sqrt (acos a))))
  (/ (cbrt a) (sqrt (acos a)))
  (/ (* (cbrt a) (cbrt a)) -1)
  (/ (cbrt a) (acos a))
  (/ (* (cbrt a) (cbrt a)) (* (cbrt (acos a)) (cbrt (acos a))))
  (/ (cbrt a) (- (cbrt (acos a))))
  (/ (* (cbrt a) (cbrt a)) (sqrt (acos a)))
  (/ (cbrt a) (- (sqrt (acos a))))
  (* (cbrt a) (cbrt a))
  (/ (cbrt a) (- (acos a)))
  (/ (sqrt a) (* (cbrt (- (acos a))) (cbrt (- (acos a)))))
  (/ (sqrt a) (cbrt (- (acos a))))
  (/ (sqrt a) (sqrt (- (acos a))))
  (/ (sqrt a) (sqrt (- (acos a))))
  (sqrt a)
  (/ (sqrt a) (- (acos a)))
  (/ (sqrt a) -1)
  (/ (sqrt a) (acos a))
  (/ (sqrt a) (- (* (cbrt (acos a)) (cbrt (acos a)))))
  (/ (sqrt a) (cbrt (acos a)))
  (/ (sqrt a) (- (sqrt (acos a))))
  (/ (sqrt a) (sqrt (acos a)))
  (/ (sqrt a) -1)
  (/ (sqrt a) (acos a))
  (/ (sqrt a) (* (cbrt (acos a)) (cbrt (acos a))))
  (/ (sqrt a) (- (cbrt (acos a))))
  (/ (sqrt a) (sqrt (acos a)))
  (/ (sqrt a) (- (sqrt (acos a))))
  (sqrt a)
  (/ (sqrt a) (- (acos a)))
  (/ 1 (* (cbrt (- (acos a))) (cbrt (- (acos a)))))
  (/ a (cbrt (- (acos a))))
  (/ 1 (sqrt (- (acos a))))
  (/ a (sqrt (- (acos a))))
  1
  (/ a (- (acos a)))
  -1
  (/ a (acos a))
  (/ (/ -1 (cbrt (acos a))) (cbrt (acos a)))
  (/ a (cbrt (acos a)))
  (/ -1 (sqrt (acos a)))
  (/ a (sqrt (acos a)))
  -1
  (/ a (acos a))
  (/ 1 (* (cbrt (acos a)) (cbrt (acos a))))
  (/ a (- (cbrt (acos a))))
  (/ 1 (sqrt (acos a)))
  (/ a (- (sqrt (acos a))))
  1
  (/ a (- (acos a)))
  (/ -1 (acos a))
  (- (/ (acos a) a))
  (/ a (* (cbrt (- (acos a))) (cbrt (- (acos a)))))
  (/ a (sqrt (- (acos a))))
  a
  (- a)
  (/ a (- (* (cbrt (acos a)) (cbrt (acos a)))))
  (/ a (- (sqrt (acos a))))
  (- a)
  (/ a (* (cbrt (acos a)) (cbrt (acos a))))
  (/ a (sqrt (acos a)))
  a
  (/ (- (acos a)) (cbrt a))
  (/ (- (acos a)) (sqrt a))
  (- (/ (acos a) a))
  (/ a (- (acos a)))
  (/ a (- (acos a)))
  (/ a (- (acos a)))
4.834 * * * [progress]: adding candidates to table
4.976 * * [progress]: iteration 2 / 4
4.976 * * * [progress]: picking best candidate
4.994 * * * * [pick]: Picked  #<alt (λ (a) (* a (/ -1 (acos a))))>
4.994 * * * [progress]: localizing error
5.001 * * * [progress]: generating rewritten candidates
5.001 * * * * [progress]: [ 1 / 2 ] rewriting at (2)
5.023 * * * * [progress]: [ 2 / 2 ] rewriting at (2 2)
5.034 * * * [progress]: generating series expansions
5.034 * * * * [progress]: [ 1 / 2 ] generating series at (2)
5.035 * [backup-simplify]: Simplify (* a (/ -1 (acos a))) into (* -1 (/ a (acos a)))
5.035 * [approximate]: Taking taylor expansion of (* -1 (/ a (acos a))) in (a) around 0
5.035 * [taylor]: Taking taylor expansion of (* -1 (/ a (acos a))) in a
5.035 * [taylor]: Taking taylor expansion of -1 in a
5.035 * [backup-simplify]: Simplify -1 into -1
5.035 * [taylor]: Taking taylor expansion of (/ a (acos a)) in a
5.035 * [taylor]: Taking taylor expansion of a in a
5.035 * [backup-simplify]: Simplify 0 into 0
5.035 * [backup-simplify]: Simplify 1 into 1
5.035 * [taylor]: Taking taylor expansion of (acos a) in a
5.035 * [backup-simplify]: Simplify (acos a) into (acos a)
5.035 * [backup-simplify]: Simplify (/ 1 (acos a)) into (/ 1 (acos a))
5.035 * [taylor]: Taking taylor expansion of (* -1 (/ a (acos a))) in a
5.035 * [taylor]: Taking taylor expansion of -1 in a
5.035 * [backup-simplify]: Simplify -1 into -1
5.035 * [taylor]: Taking taylor expansion of (/ a (acos a)) in a
5.035 * [taylor]: Taking taylor expansion of a in a
5.035 * [backup-simplify]: Simplify 0 into 0
5.035 * [backup-simplify]: Simplify 1 into 1
5.035 * [taylor]: Taking taylor expansion of (acos a) in a
5.035 * [backup-simplify]: Simplify (acos a) into (acos a)
5.035 * [backup-simplify]: Simplify (/ 1 (acos a)) into (/ 1 (acos a))
5.036 * [backup-simplify]: Simplify (* -1 (/ 1 (acos a))) into (/ -1 (acos a))
5.036 * [backup-simplify]: Simplify (/ -1 (acos a)) into (/ -1 (acos a))
5.036 * [backup-simplify]: Simplify (- (/ 0 (acos a)) (+ (* (/ 1 (acos a)) (/ 0 (acos a))))) into 0
5.037 * [backup-simplify]: Simplify (+ (* -1 0) (* 0 (/ 1 (acos a)))) into 0
5.037 * [backup-simplify]: Simplify 0 into 0
5.037 * [backup-simplify]: Simplify (- (/ 0 (acos a)) (+ (* (/ 1 (acos a)) (/ 0 (acos a))) (* 0 (/ 0 (acos a))))) into 0
5.038 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (* 0 (/ 1 (acos a))))) into 0
5.038 * [backup-simplify]: Simplify 0 into 0
5.038 * [backup-simplify]: Simplify (- (/ 0 (acos a)) (+ (* (/ 1 (acos a)) (/ 0 (acos a))) (* 0 (/ 0 (acos a))) (* 0 (/ 0 (acos a))))) into 0
5.039 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 0) (* 0 (/ 1 (acos a)))))) into 0
5.039 * [backup-simplify]: Simplify 0 into 0
5.040 * [backup-simplify]: Simplify (- (/ 0 (acos a)) (+ (* (/ 1 (acos a)) (/ 0 (acos a))) (* 0 (/ 0 (acos a))) (* 0 (/ 0 (acos a))) (* 0 (/ 0 (acos a))))) into 0
5.041 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (/ 1 (acos a))))))) into 0
5.041 * [backup-simplify]: Simplify 0 into 0
5.042 * [backup-simplify]: Simplify (- (/ 0 (acos a)) (+ (* (/ 1 (acos a)) (/ 0 (acos a))) (* 0 (/ 0 (acos a))) (* 0 (/ 0 (acos a))) (* 0 (/ 0 (acos a))) (* 0 (/ 0 (acos a))))) into 0
5.044 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (/ 1 (acos a)))))))) into 0
5.044 * [backup-simplify]: Simplify 0 into 0
5.044 * [backup-simplify]: Simplify (- (/ 0 (acos a)) (+ (* (/ 1 (acos a)) (/ 0 (acos a))) (* 0 (/ 0 (acos a))) (* 0 (/ 0 (acos a))) (* 0 (/ 0 (acos a))) (* 0 (/ 0 (acos a))) (* 0 (/ 0 (acos a))))) into 0
5.046 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (/ 1 (acos a))))))))) into 0
5.047 * [backup-simplify]: Simplify 0 into 0
5.047 * [backup-simplify]: Simplify (* (/ -1 (acos a)) a) into (* -1 (/ a (acos a)))
5.047 * [backup-simplify]: Simplify (* (/ 1 a) (/ -1 (acos (/ 1 a)))) into (/ -1 (* (acos (/ 1 a)) a))
5.047 * [approximate]: Taking taylor expansion of (/ -1 (* (acos (/ 1 a)) a)) in (a) around 0
5.047 * [taylor]: Taking taylor expansion of (/ -1 (* (acos (/ 1 a)) a)) in a
5.047 * [taylor]: Taking taylor expansion of -1 in a
5.047 * [backup-simplify]: Simplify -1 into -1
5.047 * [taylor]: Taking taylor expansion of (* (acos (/ 1 a)) a) in a
5.047 * [taylor]: Taking taylor expansion of (acos (/ 1 a)) in a
5.047 * [backup-simplify]: Simplify (acos (/ 1 a)) into (acos (/ 1 a))
5.047 * [taylor]: Taking taylor expansion of a in a
5.047 * [backup-simplify]: Simplify 0 into 0
5.047 * [backup-simplify]: Simplify 1 into 1
5.048 * [backup-simplify]: Simplify (* (acos (/ 1 a)) 0) into 0
5.048 * [backup-simplify]: Simplify (+ (* (acos (/ 1 a)) 1) (* 0 0)) into (acos (/ 1 a))
5.048 * [backup-simplify]: Simplify (/ -1 (acos (/ 1 a))) into (/ -1 (acos (/ 1 a)))
5.048 * [taylor]: Taking taylor expansion of (/ -1 (* (acos (/ 1 a)) a)) in a
5.048 * [taylor]: Taking taylor expansion of -1 in a
5.048 * [backup-simplify]: Simplify -1 into -1
5.048 * [taylor]: Taking taylor expansion of (* (acos (/ 1 a)) a) in a
5.048 * [taylor]: Taking taylor expansion of (acos (/ 1 a)) in a
5.048 * [backup-simplify]: Simplify (acos (/ 1 a)) into (acos (/ 1 a))
5.048 * [taylor]: Taking taylor expansion of a in a
5.049 * [backup-simplify]: Simplify 0 into 0
5.049 * [backup-simplify]: Simplify 1 into 1
5.049 * [backup-simplify]: Simplify (* (acos (/ 1 a)) 0) into 0
5.049 * [backup-simplify]: Simplify (+ (* (acos (/ 1 a)) 1) (* 0 0)) into (acos (/ 1 a))
5.049 * [backup-simplify]: Simplify (/ -1 (acos (/ 1 a))) into (/ -1 (acos (/ 1 a)))
5.049 * [backup-simplify]: Simplify (/ -1 (acos (/ 1 a))) into (/ -1 (acos (/ 1 a)))
5.050 * [backup-simplify]: Simplify (+ (* (acos (/ 1 a)) 0) (+ (* 0 1) (* 0 0))) into 0
5.051 * [backup-simplify]: Simplify (- (/ 0 (acos (/ 1 a))) (+ (* (/ -1 (acos (/ 1 a))) (/ 0 (acos (/ 1 a)))))) into 0
5.051 * [backup-simplify]: Simplify 0 into 0
5.051 * [backup-simplify]: Simplify (+ (* (acos (/ 1 a)) 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))) into 0
5.052 * [backup-simplify]: Simplify (- (/ 0 (acos (/ 1 a))) (+ (* (/ -1 (acos (/ 1 a))) (/ 0 (acos (/ 1 a)))) (* 0 (/ 0 (acos (/ 1 a)))))) into 0
5.052 * [backup-simplify]: Simplify 0 into 0
5.053 * [backup-simplify]: Simplify (+ (* (acos (/ 1 a)) 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0))))) into 0
5.053 * [backup-simplify]: Simplify (- (/ 0 (acos (/ 1 a))) (+ (* (/ -1 (acos (/ 1 a))) (/ 0 (acos (/ 1 a)))) (* 0 (/ 0 (acos (/ 1 a)))) (* 0 (/ 0 (acos (/ 1 a)))))) into 0
5.053 * [backup-simplify]: Simplify 0 into 0
5.054 * [backup-simplify]: Simplify (+ (* (acos (/ 1 a)) 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))))) into 0
5.055 * [backup-simplify]: Simplify (- (/ 0 (acos (/ 1 a))) (+ (* (/ -1 (acos (/ 1 a))) (/ 0 (acos (/ 1 a)))) (* 0 (/ 0 (acos (/ 1 a)))) (* 0 (/ 0 (acos (/ 1 a)))) (* 0 (/ 0 (acos (/ 1 a)))))) into 0
5.055 * [backup-simplify]: Simplify 0 into 0
5.056 * [backup-simplify]: Simplify (+ (* (acos (/ 1 a)) 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0))))))) into 0
5.056 * [backup-simplify]: Simplify (- (/ 0 (acos (/ 1 a))) (+ (* (/ -1 (acos (/ 1 a))) (/ 0 (acos (/ 1 a)))) (* 0 (/ 0 (acos (/ 1 a)))) (* 0 (/ 0 (acos (/ 1 a)))) (* 0 (/ 0 (acos (/ 1 a)))) (* 0 (/ 0 (acos (/ 1 a)))))) into 0
5.056 * [backup-simplify]: Simplify 0 into 0
5.058 * [backup-simplify]: Simplify (+ (* (acos (/ 1 a)) 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))))))) into 0
5.058 * [backup-simplify]: Simplify (- (/ 0 (acos (/ 1 a))) (+ (* (/ -1 (acos (/ 1 a))) (/ 0 (acos (/ 1 a)))) (* 0 (/ 0 (acos (/ 1 a)))) (* 0 (/ 0 (acos (/ 1 a)))) (* 0 (/ 0 (acos (/ 1 a)))) (* 0 (/ 0 (acos (/ 1 a)))) (* 0 (/ 0 (acos (/ 1 a)))))) into 0
5.058 * [backup-simplify]: Simplify 0 into 0
5.059 * [backup-simplify]: Simplify (* (/ -1 (acos (/ 1 (/ 1 a)))) (/ 1 (/ 1 a))) into (* -1 (/ a (acos a)))
5.059 * [backup-simplify]: Simplify (* (/ 1 (- a)) (/ -1 (acos (/ 1 (- a))))) into (/ 1 (* a (acos (/ -1 a))))
5.059 * [approximate]: Taking taylor expansion of (/ 1 (* a (acos (/ -1 a)))) in (a) around 0
5.059 * [taylor]: Taking taylor expansion of (/ 1 (* a (acos (/ -1 a)))) in a
5.059 * [taylor]: Taking taylor expansion of (* a (acos (/ -1 a))) in a
5.059 * [taylor]: Taking taylor expansion of a in a
5.059 * [backup-simplify]: Simplify 0 into 0
5.059 * [backup-simplify]: Simplify 1 into 1
5.059 * [taylor]: Taking taylor expansion of (acos (/ -1 a)) in a
5.059 * [backup-simplify]: Simplify (acos (/ -1 a)) into (acos (/ -1 a))
5.059 * [backup-simplify]: Simplify (* 0 (acos (/ -1 a))) into 0
5.060 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 (acos (/ -1 a)))) into (acos (/ -1 a))
5.060 * [backup-simplify]: Simplify (/ 1 (acos (/ -1 a))) into (/ 1 (acos (/ -1 a)))
5.060 * [taylor]: Taking taylor expansion of (/ 1 (* a (acos (/ -1 a)))) in a
5.060 * [taylor]: Taking taylor expansion of (* a (acos (/ -1 a))) in a
5.060 * [taylor]: Taking taylor expansion of a in a
5.060 * [backup-simplify]: Simplify 0 into 0
5.060 * [backup-simplify]: Simplify 1 into 1
5.060 * [taylor]: Taking taylor expansion of (acos (/ -1 a)) in a
5.060 * [backup-simplify]: Simplify (acos (/ -1 a)) into (acos (/ -1 a))
5.060 * [backup-simplify]: Simplify (* 0 (acos (/ -1 a))) into 0
5.060 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 (acos (/ -1 a)))) into (acos (/ -1 a))
5.061 * [backup-simplify]: Simplify (/ 1 (acos (/ -1 a))) into (/ 1 (acos (/ -1 a)))
5.061 * [backup-simplify]: Simplify (/ 1 (acos (/ -1 a))) into (/ 1 (acos (/ -1 a)))
5.061 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (* 0 (acos (/ -1 a))))) into 0
5.062 * [backup-simplify]: Simplify (- (+ (* (/ 1 (acos (/ -1 a))) (/ 0 (acos (/ -1 a)))))) into 0
5.062 * [backup-simplify]: Simplify 0 into 0
5.063 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (* 0 (acos (/ -1 a)))))) into 0
5.063 * [backup-simplify]: Simplify (- (+ (* (/ 1 (acos (/ -1 a))) (/ 0 (acos (/ -1 a)))) (* 0 (/ 0 (acos (/ -1 a)))))) into 0
5.063 * [backup-simplify]: Simplify 0 into 0
5.065 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 (acos (/ -1 a))))))) into 0
5.065 * [backup-simplify]: Simplify (- (+ (* (/ 1 (acos (/ -1 a))) (/ 0 (acos (/ -1 a)))) (* 0 (/ 0 (acos (/ -1 a)))) (* 0 (/ 0 (acos (/ -1 a)))))) into 0
5.065 * [backup-simplify]: Simplify 0 into 0
5.067 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (acos (/ -1 a)))))))) into 0
5.067 * [backup-simplify]: Simplify (- (+ (* (/ 1 (acos (/ -1 a))) (/ 0 (acos (/ -1 a)))) (* 0 (/ 0 (acos (/ -1 a)))) (* 0 (/ 0 (acos (/ -1 a)))) (* 0 (/ 0 (acos (/ -1 a)))))) into 0
5.067 * [backup-simplify]: Simplify 0 into 0
5.069 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (acos (/ -1 a))))))))) into 0
5.070 * [backup-simplify]: Simplify (- (+ (* (/ 1 (acos (/ -1 a))) (/ 0 (acos (/ -1 a)))) (* 0 (/ 0 (acos (/ -1 a)))) (* 0 (/ 0 (acos (/ -1 a)))) (* 0 (/ 0 (acos (/ -1 a)))) (* 0 (/ 0 (acos (/ -1 a)))))) into 0
5.070 * [backup-simplify]: Simplify 0 into 0
5.072 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (acos (/ -1 a)))))))))) into 0
5.073 * [backup-simplify]: Simplify (- (+ (* (/ 1 (acos (/ -1 a))) (/ 0 (acos (/ -1 a)))) (* 0 (/ 0 (acos (/ -1 a)))) (* 0 (/ 0 (acos (/ -1 a)))) (* 0 (/ 0 (acos (/ -1 a)))) (* 0 (/ 0 (acos (/ -1 a)))) (* 0 (/ 0 (acos (/ -1 a)))))) into 0
5.073 * [backup-simplify]: Simplify 0 into 0
5.073 * [backup-simplify]: Simplify (* (/ 1 (acos (/ -1 (/ 1 (- a))))) (/ 1 (/ 1 (- a)))) into (* -1 (/ a (acos a)))
5.073 * * * * [progress]: [ 2 / 2 ] generating series at (2 2)
5.073 * [backup-simplify]: Simplify (/ -1 (acos a)) into (/ -1 (acos a))
5.073 * [approximate]: Taking taylor expansion of (/ -1 (acos a)) in (a) around 0
5.073 * [taylor]: Taking taylor expansion of (/ -1 (acos a)) in a
5.073 * [taylor]: Taking taylor expansion of -1 in a
5.073 * [backup-simplify]: Simplify -1 into -1
5.073 * [taylor]: Taking taylor expansion of (acos a) in a
5.073 * [backup-simplify]: Simplify (acos a) into (acos a)
5.073 * [backup-simplify]: Simplify (/ -1 (acos a)) into (/ -1 (acos a))
5.073 * [taylor]: Taking taylor expansion of (/ -1 (acos a)) in a
5.073 * [taylor]: Taking taylor expansion of -1 in a
5.073 * [backup-simplify]: Simplify -1 into -1
5.073 * [taylor]: Taking taylor expansion of (acos a) in a
5.073 * [backup-simplify]: Simplify (acos a) into (acos a)
5.073 * [backup-simplify]: Simplify (/ -1 (acos a)) into (/ -1 (acos a))
5.074 * [backup-simplify]: Simplify (/ -1 (acos a)) into (/ -1 (acos a))
5.074 * [backup-simplify]: Simplify (- (/ 0 (acos a)) (+ (* (/ -1 (acos a)) (/ 0 (acos a))))) into 0
5.074 * [backup-simplify]: Simplify 0 into 0
5.074 * [backup-simplify]: Simplify (- (/ 0 (acos a)) (+ (* (/ -1 (acos a)) (/ 0 (acos a))) (* 0 (/ 0 (acos a))))) into 0
5.074 * [backup-simplify]: Simplify 0 into 0
5.075 * [backup-simplify]: Simplify (- (/ 0 (acos a)) (+ (* (/ -1 (acos a)) (/ 0 (acos a))) (* 0 (/ 0 (acos a))) (* 0 (/ 0 (acos a))))) into 0
5.075 * [backup-simplify]: Simplify 0 into 0
5.075 * [backup-simplify]: Simplify (- (/ 0 (acos a)) (+ (* (/ -1 (acos a)) (/ 0 (acos a))) (* 0 (/ 0 (acos a))) (* 0 (/ 0 (acos a))) (* 0 (/ 0 (acos a))))) into 0
5.075 * [backup-simplify]: Simplify 0 into 0
5.075 * [backup-simplify]: Simplify (- (/ 0 (acos a)) (+ (* (/ -1 (acos a)) (/ 0 (acos a))) (* 0 (/ 0 (acos a))) (* 0 (/ 0 (acos a))) (* 0 (/ 0 (acos a))) (* 0 (/ 0 (acos a))))) into 0
5.075 * [backup-simplify]: Simplify 0 into 0
5.076 * [backup-simplify]: Simplify (- (/ 0 (acos a)) (+ (* (/ -1 (acos a)) (/ 0 (acos a))) (* 0 (/ 0 (acos a))) (* 0 (/ 0 (acos a))) (* 0 (/ 0 (acos a))) (* 0 (/ 0 (acos a))) (* 0 (/ 0 (acos a))))) into 0
5.076 * [backup-simplify]: Simplify 0 into 0
5.076 * [backup-simplify]: Simplify (/ -1 (acos a)) into (/ -1 (acos a))
5.076 * [backup-simplify]: Simplify (/ -1 (acos (/ 1 a))) into (/ -1 (acos (/ 1 a)))
5.076 * [approximate]: Taking taylor expansion of (/ -1 (acos (/ 1 a))) in (a) around 0
5.076 * [taylor]: Taking taylor expansion of (/ -1 (acos (/ 1 a))) in a
5.076 * [taylor]: Taking taylor expansion of -1 in a
5.076 * [backup-simplify]: Simplify -1 into -1
5.076 * [taylor]: Taking taylor expansion of (acos (/ 1 a)) in a
5.076 * [backup-simplify]: Simplify (acos (/ 1 a)) into (acos (/ 1 a))
5.077 * [backup-simplify]: Simplify (/ -1 (acos (/ 1 a))) into (/ -1 (acos (/ 1 a)))
5.077 * [taylor]: Taking taylor expansion of (/ -1 (acos (/ 1 a))) in a
5.077 * [taylor]: Taking taylor expansion of -1 in a
5.077 * [backup-simplify]: Simplify -1 into -1
5.077 * [taylor]: Taking taylor expansion of (acos (/ 1 a)) in a
5.077 * [backup-simplify]: Simplify (acos (/ 1 a)) into (acos (/ 1 a))
5.077 * [backup-simplify]: Simplify (/ -1 (acos (/ 1 a))) into (/ -1 (acos (/ 1 a)))
5.077 * [backup-simplify]: Simplify (/ -1 (acos (/ 1 a))) into (/ -1 (acos (/ 1 a)))
5.077 * [backup-simplify]: Simplify (- (/ 0 (acos (/ 1 a))) (+ (* (/ -1 (acos (/ 1 a))) (/ 0 (acos (/ 1 a)))))) into 0
5.077 * [backup-simplify]: Simplify 0 into 0
5.078 * [backup-simplify]: Simplify (- (/ 0 (acos (/ 1 a))) (+ (* (/ -1 (acos (/ 1 a))) (/ 0 (acos (/ 1 a)))) (* 0 (/ 0 (acos (/ 1 a)))))) into 0
5.078 * [backup-simplify]: Simplify 0 into 0
5.078 * [backup-simplify]: Simplify (- (/ 0 (acos (/ 1 a))) (+ (* (/ -1 (acos (/ 1 a))) (/ 0 (acos (/ 1 a)))) (* 0 (/ 0 (acos (/ 1 a)))) (* 0 (/ 0 (acos (/ 1 a)))))) into 0
5.078 * [backup-simplify]: Simplify 0 into 0
5.083 * [backup-simplify]: Simplify (- (/ 0 (acos (/ 1 a))) (+ (* (/ -1 (acos (/ 1 a))) (/ 0 (acos (/ 1 a)))) (* 0 (/ 0 (acos (/ 1 a)))) (* 0 (/ 0 (acos (/ 1 a)))) (* 0 (/ 0 (acos (/ 1 a)))))) into 0
5.083 * [backup-simplify]: Simplify 0 into 0
5.084 * [backup-simplify]: Simplify (- (/ 0 (acos (/ 1 a))) (+ (* (/ -1 (acos (/ 1 a))) (/ 0 (acos (/ 1 a)))) (* 0 (/ 0 (acos (/ 1 a)))) (* 0 (/ 0 (acos (/ 1 a)))) (* 0 (/ 0 (acos (/ 1 a)))) (* 0 (/ 0 (acos (/ 1 a)))))) into 0
5.084 * [backup-simplify]: Simplify 0 into 0
5.084 * [backup-simplify]: Simplify (- (/ 0 (acos (/ 1 a))) (+ (* (/ -1 (acos (/ 1 a))) (/ 0 (acos (/ 1 a)))) (* 0 (/ 0 (acos (/ 1 a)))) (* 0 (/ 0 (acos (/ 1 a)))) (* 0 (/ 0 (acos (/ 1 a)))) (* 0 (/ 0 (acos (/ 1 a)))) (* 0 (/ 0 (acos (/ 1 a)))))) into 0
5.084 * [backup-simplify]: Simplify 0 into 0
5.084 * [backup-simplify]: Simplify (/ -1 (acos (/ 1 (/ 1 a)))) into (/ -1 (acos a))
5.085 * [backup-simplify]: Simplify (/ -1 (acos (/ 1 (- a)))) into (/ -1 (acos (/ -1 a)))
5.085 * [approximate]: Taking taylor expansion of (/ -1 (acos (/ -1 a))) in (a) around 0
5.085 * [taylor]: Taking taylor expansion of (/ -1 (acos (/ -1 a))) in a
5.085 * [taylor]: Taking taylor expansion of -1 in a
5.085 * [backup-simplify]: Simplify -1 into -1
5.085 * [taylor]: Taking taylor expansion of (acos (/ -1 a)) in a
5.085 * [backup-simplify]: Simplify (acos (/ -1 a)) into (acos (/ -1 a))
5.085 * [backup-simplify]: Simplify (/ -1 (acos (/ -1 a))) into (/ -1 (acos (/ -1 a)))
5.085 * [taylor]: Taking taylor expansion of (/ -1 (acos (/ -1 a))) in a
5.085 * [taylor]: Taking taylor expansion of -1 in a
5.085 * [backup-simplify]: Simplify -1 into -1
5.085 * [taylor]: Taking taylor expansion of (acos (/ -1 a)) in a
5.085 * [backup-simplify]: Simplify (acos (/ -1 a)) into (acos (/ -1 a))
5.085 * [backup-simplify]: Simplify (/ -1 (acos (/ -1 a))) into (/ -1 (acos (/ -1 a)))
5.085 * [backup-simplify]: Simplify (/ -1 (acos (/ -1 a))) into (/ -1 (acos (/ -1 a)))
5.086 * [backup-simplify]: Simplify (- (/ 0 (acos (/ -1 a))) (+ (* (/ -1 (acos (/ -1 a))) (/ 0 (acos (/ -1 a)))))) into 0
5.086 * [backup-simplify]: Simplify 0 into 0
5.086 * [backup-simplify]: Simplify (- (/ 0 (acos (/ -1 a))) (+ (* (/ -1 (acos (/ -1 a))) (/ 0 (acos (/ -1 a)))) (* 0 (/ 0 (acos (/ -1 a)))))) into 0
5.086 * [backup-simplify]: Simplify 0 into 0
5.087 * [backup-simplify]: Simplify (- (/ 0 (acos (/ -1 a))) (+ (* (/ -1 (acos (/ -1 a))) (/ 0 (acos (/ -1 a)))) (* 0 (/ 0 (acos (/ -1 a)))) (* 0 (/ 0 (acos (/ -1 a)))))) into 0
5.087 * [backup-simplify]: Simplify 0 into 0
5.087 * [backup-simplify]: Simplify (- (/ 0 (acos (/ -1 a))) (+ (* (/ -1 (acos (/ -1 a))) (/ 0 (acos (/ -1 a)))) (* 0 (/ 0 (acos (/ -1 a)))) (* 0 (/ 0 (acos (/ -1 a)))) (* 0 (/ 0 (acos (/ -1 a)))))) into 0
5.087 * [backup-simplify]: Simplify 0 into 0
5.088 * [backup-simplify]: Simplify (- (/ 0 (acos (/ -1 a))) (+ (* (/ -1 (acos (/ -1 a))) (/ 0 (acos (/ -1 a)))) (* 0 (/ 0 (acos (/ -1 a)))) (* 0 (/ 0 (acos (/ -1 a)))) (* 0 (/ 0 (acos (/ -1 a)))) (* 0 (/ 0 (acos (/ -1 a)))))) into 0
5.088 * [backup-simplify]: Simplify 0 into 0
5.088 * [backup-simplify]: Simplify (- (/ 0 (acos (/ -1 a))) (+ (* (/ -1 (acos (/ -1 a))) (/ 0 (acos (/ -1 a)))) (* 0 (/ 0 (acos (/ -1 a)))) (* 0 (/ 0 (acos (/ -1 a)))) (* 0 (/ 0 (acos (/ -1 a)))) (* 0 (/ 0 (acos (/ -1 a)))) (* 0 (/ 0 (acos (/ -1 a)))))) into 0
5.088 * [backup-simplify]: Simplify 0 into 0
5.089 * [backup-simplify]: Simplify (/ -1 (acos (/ -1 (/ 1 (- a))))) into (/ -1 (acos a))
5.089 * * * [progress]: simplifying candidates
5.090 * [simplify]: Simplifying:
  (expm1 (* a (/ -1 (acos a))))
  (log1p (* a (/ -1 (acos a))))
  (* a (/ -1 (acos a)))
  (+ (log a) (- (log -1) (log (acos a))))
  (+ (log a) (log (/ -1 (acos a))))
  (log (* a (/ -1 (acos a))))
  (exp (* a (/ -1 (acos a))))
  (* (* (* a a) a) (/ (* (* -1 -1) -1) (* (* (acos a) (acos a)) (acos a))))
  (* (* (* a a) a) (* (* (/ -1 (acos a)) (/ -1 (acos a))) (/ -1 (acos a))))
  (* (cbrt (* a (/ -1 (acos a)))) (cbrt (* a (/ -1 (acos a)))))
  (cbrt (* a (/ -1 (acos a))))
  (* (* (* a (/ -1 (acos a))) (* a (/ -1 (acos a)))) (* a (/ -1 (acos a))))
  (sqrt (* a (/ -1 (acos a))))
  (sqrt (* a (/ -1 (acos a))))
  (* (sqrt a) (sqrt (/ -1 (acos a))))
  (* (sqrt a) (sqrt (/ -1 (acos a))))
  (* (sqrt a) (/ (sqrt -1) (sqrt (acos a))))
  (* (sqrt a) (/ (sqrt -1) (sqrt (acos a))))
  (* a (* (cbrt (/ -1 (acos a))) (cbrt (/ -1 (acos a)))))
  (* a (sqrt (/ -1 (acos a))))
  (* a (/ (* (cbrt -1) (cbrt -1)) (* (cbrt (acos a)) (cbrt (acos a)))))
  (* a (/ (* (cbrt -1) (cbrt -1)) (sqrt (acos a))))
  (* a (/ (* (cbrt -1) (cbrt -1)) 1))
  (* a (/ (sqrt -1) (* (cbrt (acos a)) (cbrt (acos a)))))
  (* a (/ (sqrt -1) (sqrt (acos a))))
  (* a (/ (sqrt -1) 1))
  (* a (/ 1 (* (cbrt (acos a)) (cbrt (acos a)))))
  (* a (/ 1 (sqrt (acos a))))
  (* a (/ 1 1))
  (* a 1)
  (* a -1)
  (* (cbrt a) (/ -1 (acos a)))
  (* (sqrt a) (/ -1 (acos a)))
  (* a (/ -1 (acos a)))
  (* a -1)
  (expm1 (/ -1 (acos a)))
  (log1p (/ -1 (acos a)))
  (- (log -1) (log (acos a)))
  (log (/ -1 (acos a)))
  (exp (/ -1 (acos a)))
  (/ (* (* -1 -1) -1) (* (* (acos a) (acos a)) (acos a)))
  (* (cbrt (/ -1 (acos a))) (cbrt (/ -1 (acos a))))
  (cbrt (/ -1 (acos a)))
  (* (* (/ -1 (acos a)) (/ -1 (acos a))) (/ -1 (acos a)))
  (sqrt (/ -1 (acos a)))
  (sqrt (/ -1 (acos a)))
  (- -1)
  (- (acos a))
  (/ (* (cbrt -1) (cbrt -1)) (* (cbrt (acos a)) (cbrt (acos a))))
  (/ (cbrt -1) (cbrt (acos a)))
  (/ (* (cbrt -1) (cbrt -1)) (sqrt (acos a)))
  (/ (cbrt -1) (sqrt (acos a)))
  (/ (* (cbrt -1) (cbrt -1)) 1)
  (/ (cbrt -1) (acos a))
  (/ (sqrt -1) (* (cbrt (acos a)) (cbrt (acos a))))
  (/ (sqrt -1) (cbrt (acos a)))
  (/ (sqrt -1) (sqrt (acos a)))
  (/ (sqrt -1) (sqrt (acos a)))
  (/ (sqrt -1) 1)
  (/ (sqrt -1) (acos a))
  (/ 1 (* (cbrt (acos a)) (cbrt (acos a))))
  (/ -1 (cbrt (acos a)))
  (/ 1 (sqrt (acos a)))
  (/ -1 (sqrt (acos a)))
  (/ 1 1)
  (/ -1 (acos a))
  (/ 1 (acos a))
  (/ (acos a) -1)
  (/ -1 (* (cbrt (acos a)) (cbrt (acos a))))
  (/ -1 (sqrt (acos a)))
  (/ -1 1)
  (/ (acos a) (cbrt -1))
  (/ (acos a) (sqrt -1))
  (/ (acos a) -1)
  (* -1 (/ a (acos a)))
  (* -1 (/ a (acos a)))
  (* -1 (/ a (acos a)))
  (/ -1 (acos a))
  (/ -1 (acos a))
  (/ -1 (acos a))
5.092 * * [simplify]: Extracting # 0 : cost  0
5.092 * * [simplify]: Extracting # 1 : cost  0
5.092 * * [simplify]: Extracting # 2 : cost  0
5.092 * * [simplify]: Extracting # 3 : cost  0
5.092 * * [simplify]: Extracting # 4 : cost  0
5.093 * * [simplify]: Extracting # 5 : cost  0
5.093 * * [simplify]: iteration  0 :  90  enodes  (cost  582 )
5.124 * * [simplify]: Extracting # 0 : cost  0
5.124 * * [simplify]: Extracting # 1 : cost  0
5.124 * * [simplify]: Extracting # 2 : cost  0
5.125 * * [simplify]: iteration  1 :  184  enodes  (cost  532 )
5.211 * * [simplify]: Extracting # 0 : cost  0
5.212 * * [simplify]: Extracting # 1 : cost  0
5.212 * * [simplify]: Extracting # 2 : cost  0
5.213 * * [simplify]: Extracting # 3 : cost  0
5.213 * * [simplify]: Extracting # 4 : cost  0
5.214 * * [simplify]: Extracting # 5 : cost  0
5.214 * * [simplify]: iteration  2 :  512  enodes  (cost  482 )
5.590 * * [simplify]: Extracting # 0 : cost  0
5.596 * * [simplify]: Extracting # 1 : cost  0
5.597 * * [simplify]: Extracting # 2 : cost  0
5.598 * * [simplify]: Extracting # 3 : cost  0
5.599 * * [simplify]: Extracting # 4 : cost  0
5.600 * * [simplify]: iteration  3 :  1392  enodes  (cost  480 )
8.901 * * [simplify]: Extracting # 0 : cost  0
8.906 * * [simplify]: Extracting # 1 : cost  0
8.908 * * [simplify]: Extracting # 2 : cost  0
8.910 * * [simplify]: Extracting # 3 : cost  0
8.912 * * [simplify]: Extracting # 4 : cost  0
8.914 * * [simplify]: iteration  4 :  3526  enodes  (cost  480 )
10.662 * * [simplify]: Extracting # 0 : cost  0
10.666 * * [simplify]: Extracting # 1 : cost  0
10.670 * * [simplify]: Extracting # 2 : cost  0
10.675 * * [simplify]: iteration done:  5000  enodes  (cost  480 )
10.676 * [simplify]: Simplified to:
  (expm1 (- (/ a (acos a))))
  (log1p (- (/ a (acos a))))
  (/ (- a) (acos a))
  (log (- (/ a (acos a))))
  (log (- (/ a (acos a))))
  (log (- (/ a (acos a))))
  (exp (- (/ a (acos a))))
  (pow (- (/ a (acos a))) 3)
  (pow (- (/ a (acos a))) 3)
  (* (cbrt (- (/ a (acos a)))) (cbrt (- (/ a (acos a)))))
  (cbrt (- (/ a (acos a))))
  (pow (- (/ a (acos a))) 3)
  (sqrt (- (/ a (acos a))))
  (sqrt (- (/ a (acos a))))
  (* (sqrt a) (sqrt (/ -1 (acos a))))
  (* (sqrt a) (sqrt (/ -1 (acos a))))
  (* (sqrt a) (/ (sqrt -1) (sqrt (acos a))))
  (* (sqrt a) (/ (sqrt -1) (sqrt (acos a))))
  (* a (* (cbrt (/ -1 (acos a))) (cbrt (/ -1 (acos a)))))
  (* a (sqrt (/ -1 (acos a))))
  (* a (/ (* (cbrt -1) (cbrt -1)) (* (cbrt (acos a)) (cbrt (acos a)))))
  (* a (/ (* (cbrt -1) (cbrt -1)) (sqrt (acos a))))
  (* a (* (cbrt -1) (cbrt -1)))
  (* a (/ (sqrt -1) (* (cbrt (acos a)) (cbrt (acos a)))))
  (* a (/ (sqrt -1) (sqrt (acos a))))
  (* (sqrt -1) a)
  (/ a (* (cbrt (acos a)) (cbrt (acos a))))
  (/ a (sqrt (acos a)))
  a
  a
  (- a)
  (/ (- (cbrt a)) (acos a))
  (/ (- (sqrt a)) (acos a))
  (/ (- a) (acos a))
  (- a)
  (expm1 (/ -1 (acos a)))
  (log1p (/ -1 (acos a)))
  (log (/ -1 (acos a)))
  (log (/ -1 (acos a)))
  (exp (/ -1 (acos a)))
  (pow (/ -1 (acos a)) 3)
  (* (cbrt (/ -1 (acos a))) (cbrt (/ -1 (acos a))))
  (cbrt (/ -1 (acos a)))
  (pow (/ -1 (acos a)) 3)
  (sqrt (/ -1 (acos a)))
  (sqrt (/ -1 (acos a)))
  1
  (- (acos a))
  (/ (* (cbrt -1) (cbrt -1)) (* (cbrt (acos a)) (cbrt (acos a))))
  (/ (cbrt -1) (cbrt (acos a)))
  (/ (* (cbrt -1) (cbrt -1)) (sqrt (acos a)))
  (/ (cbrt -1) (sqrt (acos a)))
  (* (cbrt -1) (cbrt -1))
  (/ (cbrt -1) (acos a))
  (/ (sqrt -1) (* (cbrt (acos a)) (cbrt (acos a))))
  (/ (sqrt -1) (cbrt (acos a)))
  (/ (sqrt -1) (sqrt (acos a)))
  (/ (sqrt -1) (sqrt (acos a)))
  (sqrt -1)
  (/ (sqrt -1) (acos a))
  (/ 1 (* (cbrt (acos a)) (cbrt (acos a))))
  (/ -1 (cbrt (acos a)))
  (/ 1 (sqrt (acos a)))
  (/ -1 (sqrt (acos a)))
  1
  (/ -1 (acos a))
  (/ 1 (acos a))
  (/ (acos a) -1)
  (/ -1 (* (cbrt (acos a)) (cbrt (acos a))))
  (/ -1 (sqrt (acos a)))
  -1
  (/ (acos a) (cbrt -1))
  (/ (acos a) (sqrt -1))
  (/ (acos a) -1)
  (/ (- a) (acos a))
  (/ (- a) (acos a))
  (/ (- a) (acos a))
  (/ -1 (acos a))
  (/ -1 (acos a))
  (/ -1 (acos a))
10.676 * * * [progress]: adding candidates to table
10.821 * * [progress]: iteration 3 / 4
10.821 * * * [progress]: picking best candidate
10.829 * * * * [pick]: Picked  #<alt (λ (a) (/ 1 (- (/ (acos a) a))))>
10.829 * * * [progress]: localizing error
10.835 * * * [progress]: generating rewritten candidates
10.835 * * * * [progress]: [ 1 / 2 ] rewriting at (2)
10.854 * * * * [progress]: [ 2 / 2 ] rewriting at (2 2 1)
10.878 * * * [progress]: generating series expansions
10.878 * * * * [progress]: [ 1 / 2 ] generating series at (2)
10.878 * [backup-simplify]: Simplify (/ 1 (- (/ (acos a) a))) into (* -1 (/ a (acos a)))
10.878 * [approximate]: Taking taylor expansion of (* -1 (/ a (acos a))) in (a) around 0
10.878 * [taylor]: Taking taylor expansion of (* -1 (/ a (acos a))) in a
10.878 * [taylor]: Taking taylor expansion of -1 in a
10.878 * [backup-simplify]: Simplify -1 into -1
10.878 * [taylor]: Taking taylor expansion of (/ a (acos a)) in a
10.878 * [taylor]: Taking taylor expansion of a in a
10.878 * [backup-simplify]: Simplify 0 into 0
10.878 * [backup-simplify]: Simplify 1 into 1
10.878 * [taylor]: Taking taylor expansion of (acos a) in a
10.879 * [backup-simplify]: Simplify (acos a) into (acos a)
10.879 * [backup-simplify]: Simplify (/ 1 (acos a)) into (/ 1 (acos a))
10.879 * [taylor]: Taking taylor expansion of (* -1 (/ a (acos a))) in a
10.879 * [taylor]: Taking taylor expansion of -1 in a
10.879 * [backup-simplify]: Simplify -1 into -1
10.879 * [taylor]: Taking taylor expansion of (/ a (acos a)) in a
10.879 * [taylor]: Taking taylor expansion of a in a
10.879 * [backup-simplify]: Simplify 0 into 0
10.879 * [backup-simplify]: Simplify 1 into 1
10.879 * [taylor]: Taking taylor expansion of (acos a) in a
10.879 * [backup-simplify]: Simplify (acos a) into (acos a)
10.879 * [backup-simplify]: Simplify (/ 1 (acos a)) into (/ 1 (acos a))
10.879 * [backup-simplify]: Simplify (* -1 (/ 1 (acos a))) into (/ -1 (acos a))
10.879 * [backup-simplify]: Simplify (/ -1 (acos a)) into (/ -1 (acos a))
10.879 * [backup-simplify]: Simplify (- (/ 0 (acos a)) (+ (* (/ 1 (acos a)) (/ 0 (acos a))))) into 0
10.880 * [backup-simplify]: Simplify (+ (* -1 0) (* 0 (/ 1 (acos a)))) into 0
10.880 * [backup-simplify]: Simplify 0 into 0
10.880 * [backup-simplify]: Simplify (- (/ 0 (acos a)) (+ (* (/ 1 (acos a)) (/ 0 (acos a))) (* 0 (/ 0 (acos a))))) into 0
10.880 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (* 0 (/ 1 (acos a))))) into 0
10.881 * [backup-simplify]: Simplify 0 into 0
10.881 * [backup-simplify]: Simplify (- (/ 0 (acos a)) (+ (* (/ 1 (acos a)) (/ 0 (acos a))) (* 0 (/ 0 (acos a))) (* 0 (/ 0 (acos a))))) into 0
10.881 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 0) (* 0 (/ 1 (acos a)))))) into 0
10.882 * [backup-simplify]: Simplify 0 into 0
10.882 * [backup-simplify]: Simplify (- (/ 0 (acos a)) (+ (* (/ 1 (acos a)) (/ 0 (acos a))) (* 0 (/ 0 (acos a))) (* 0 (/ 0 (acos a))) (* 0 (/ 0 (acos a))))) into 0
10.883 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (/ 1 (acos a))))))) into 0
10.883 * [backup-simplify]: Simplify 0 into 0
10.883 * [backup-simplify]: Simplify (- (/ 0 (acos a)) (+ (* (/ 1 (acos a)) (/ 0 (acos a))) (* 0 (/ 0 (acos a))) (* 0 (/ 0 (acos a))) (* 0 (/ 0 (acos a))) (* 0 (/ 0 (acos a))))) into 0
10.884 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (/ 1 (acos a)))))))) into 0
10.884 * [backup-simplify]: Simplify 0 into 0
10.884 * [backup-simplify]: Simplify (- (/ 0 (acos a)) (+ (* (/ 1 (acos a)) (/ 0 (acos a))) (* 0 (/ 0 (acos a))) (* 0 (/ 0 (acos a))) (* 0 (/ 0 (acos a))) (* 0 (/ 0 (acos a))) (* 0 (/ 0 (acos a))))) into 0
10.886 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (/ 1 (acos a))))))))) into 0
10.886 * [backup-simplify]: Simplify 0 into 0
10.886 * [backup-simplify]: Simplify (* (/ -1 (acos a)) a) into (* -1 (/ a (acos a)))
10.886 * [backup-simplify]: Simplify (/ 1 (- (/ (acos (/ 1 a)) (/ 1 a)))) into (/ -1 (* (acos (/ 1 a)) a))
10.886 * [approximate]: Taking taylor expansion of (/ -1 (* (acos (/ 1 a)) a)) in (a) around 0
10.886 * [taylor]: Taking taylor expansion of (/ -1 (* (acos (/ 1 a)) a)) in a
10.886 * [taylor]: Taking taylor expansion of -1 in a
10.886 * [backup-simplify]: Simplify -1 into -1
10.886 * [taylor]: Taking taylor expansion of (* (acos (/ 1 a)) a) in a
10.886 * [taylor]: Taking taylor expansion of (acos (/ 1 a)) in a
10.886 * [backup-simplify]: Simplify (acos (/ 1 a)) into (acos (/ 1 a))
10.886 * [taylor]: Taking taylor expansion of a in a
10.886 * [backup-simplify]: Simplify 0 into 0
10.886 * [backup-simplify]: Simplify 1 into 1
10.886 * [backup-simplify]: Simplify (* (acos (/ 1 a)) 0) into 0
10.887 * [backup-simplify]: Simplify (+ (* (acos (/ 1 a)) 1) (* 0 0)) into (acos (/ 1 a))
10.887 * [backup-simplify]: Simplify (/ -1 (acos (/ 1 a))) into (/ -1 (acos (/ 1 a)))
10.887 * [taylor]: Taking taylor expansion of (/ -1 (* (acos (/ 1 a)) a)) in a
10.887 * [taylor]: Taking taylor expansion of -1 in a
10.887 * [backup-simplify]: Simplify -1 into -1
10.887 * [taylor]: Taking taylor expansion of (* (acos (/ 1 a)) a) in a
10.887 * [taylor]: Taking taylor expansion of (acos (/ 1 a)) in a
10.887 * [backup-simplify]: Simplify (acos (/ 1 a)) into (acos (/ 1 a))
10.887 * [taylor]: Taking taylor expansion of a in a
10.887 * [backup-simplify]: Simplify 0 into 0
10.887 * [backup-simplify]: Simplify 1 into 1
10.887 * [backup-simplify]: Simplify (* (acos (/ 1 a)) 0) into 0
10.887 * [backup-simplify]: Simplify (+ (* (acos (/ 1 a)) 1) (* 0 0)) into (acos (/ 1 a))
10.887 * [backup-simplify]: Simplify (/ -1 (acos (/ 1 a))) into (/ -1 (acos (/ 1 a)))
10.887 * [backup-simplify]: Simplify (/ -1 (acos (/ 1 a))) into (/ -1 (acos (/ 1 a)))
10.888 * [backup-simplify]: Simplify (+ (* (acos (/ 1 a)) 0) (+ (* 0 1) (* 0 0))) into 0
10.888 * [backup-simplify]: Simplify (- (/ 0 (acos (/ 1 a))) (+ (* (/ -1 (acos (/ 1 a))) (/ 0 (acos (/ 1 a)))))) into 0
10.888 * [backup-simplify]: Simplify 0 into 0
10.888 * [backup-simplify]: Simplify (+ (* (acos (/ 1 a)) 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))) into 0
10.889 * [backup-simplify]: Simplify (- (/ 0 (acos (/ 1 a))) (+ (* (/ -1 (acos (/ 1 a))) (/ 0 (acos (/ 1 a)))) (* 0 (/ 0 (acos (/ 1 a)))))) into 0
10.889 * [backup-simplify]: Simplify 0 into 0
10.889 * [backup-simplify]: Simplify (+ (* (acos (/ 1 a)) 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0))))) into 0
10.890 * [backup-simplify]: Simplify (- (/ 0 (acos (/ 1 a))) (+ (* (/ -1 (acos (/ 1 a))) (/ 0 (acos (/ 1 a)))) (* 0 (/ 0 (acos (/ 1 a)))) (* 0 (/ 0 (acos (/ 1 a)))))) into 0
10.890 * [backup-simplify]: Simplify 0 into 0
10.890 * [backup-simplify]: Simplify (+ (* (acos (/ 1 a)) 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))))) into 0
10.891 * [backup-simplify]: Simplify (- (/ 0 (acos (/ 1 a))) (+ (* (/ -1 (acos (/ 1 a))) (/ 0 (acos (/ 1 a)))) (* 0 (/ 0 (acos (/ 1 a)))) (* 0 (/ 0 (acos (/ 1 a)))) (* 0 (/ 0 (acos (/ 1 a)))))) into 0
10.891 * [backup-simplify]: Simplify 0 into 0
10.891 * [backup-simplify]: Simplify (+ (* (acos (/ 1 a)) 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0))))))) into 0
10.892 * [backup-simplify]: Simplify (- (/ 0 (acos (/ 1 a))) (+ (* (/ -1 (acos (/ 1 a))) (/ 0 (acos (/ 1 a)))) (* 0 (/ 0 (acos (/ 1 a)))) (* 0 (/ 0 (acos (/ 1 a)))) (* 0 (/ 0 (acos (/ 1 a)))) (* 0 (/ 0 (acos (/ 1 a)))))) into 0
10.892 * [backup-simplify]: Simplify 0 into 0
10.892 * [backup-simplify]: Simplify (+ (* (acos (/ 1 a)) 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))))))) into 0
10.893 * [backup-simplify]: Simplify (- (/ 0 (acos (/ 1 a))) (+ (* (/ -1 (acos (/ 1 a))) (/ 0 (acos (/ 1 a)))) (* 0 (/ 0 (acos (/ 1 a)))) (* 0 (/ 0 (acos (/ 1 a)))) (* 0 (/ 0 (acos (/ 1 a)))) (* 0 (/ 0 (acos (/ 1 a)))) (* 0 (/ 0 (acos (/ 1 a)))))) into 0
10.893 * [backup-simplify]: Simplify 0 into 0
10.893 * [backup-simplify]: Simplify (* (/ -1 (acos (/ 1 (/ 1 a)))) (/ 1 (/ 1 a))) into (* -1 (/ a (acos a)))
10.894 * [backup-simplify]: Simplify (/ 1 (- (/ (acos (/ 1 (- a))) (/ 1 (- a))))) into (/ 1 (* a (acos (/ -1 a))))
10.894 * [approximate]: Taking taylor expansion of (/ 1 (* a (acos (/ -1 a)))) in (a) around 0
10.894 * [taylor]: Taking taylor expansion of (/ 1 (* a (acos (/ -1 a)))) in a
10.894 * [taylor]: Taking taylor expansion of (* a (acos (/ -1 a))) in a
10.894 * [taylor]: Taking taylor expansion of a in a
10.894 * [backup-simplify]: Simplify 0 into 0
10.894 * [backup-simplify]: Simplify 1 into 1
10.894 * [taylor]: Taking taylor expansion of (acos (/ -1 a)) in a
10.894 * [backup-simplify]: Simplify (acos (/ -1 a)) into (acos (/ -1 a))
10.894 * [backup-simplify]: Simplify (* 0 (acos (/ -1 a))) into 0
10.894 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 (acos (/ -1 a)))) into (acos (/ -1 a))
10.894 * [backup-simplify]: Simplify (/ 1 (acos (/ -1 a))) into (/ 1 (acos (/ -1 a)))
10.894 * [taylor]: Taking taylor expansion of (/ 1 (* a (acos (/ -1 a)))) in a
10.894 * [taylor]: Taking taylor expansion of (* a (acos (/ -1 a))) in a
10.895 * [taylor]: Taking taylor expansion of a in a
10.895 * [backup-simplify]: Simplify 0 into 0
10.895 * [backup-simplify]: Simplify 1 into 1
10.895 * [taylor]: Taking taylor expansion of (acos (/ -1 a)) in a
10.895 * [backup-simplify]: Simplify (acos (/ -1 a)) into (acos (/ -1 a))
10.895 * [backup-simplify]: Simplify (* 0 (acos (/ -1 a))) into 0
10.895 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 (acos (/ -1 a)))) into (acos (/ -1 a))
10.895 * [backup-simplify]: Simplify (/ 1 (acos (/ -1 a))) into (/ 1 (acos (/ -1 a)))
10.895 * [backup-simplify]: Simplify (/ 1 (acos (/ -1 a))) into (/ 1 (acos (/ -1 a)))
10.896 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (* 0 (acos (/ -1 a))))) into 0
10.896 * [backup-simplify]: Simplify (- (+ (* (/ 1 (acos (/ -1 a))) (/ 0 (acos (/ -1 a)))))) into 0
10.896 * [backup-simplify]: Simplify 0 into 0
10.897 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (* 0 (acos (/ -1 a)))))) into 0
10.898 * [backup-simplify]: Simplify (- (+ (* (/ 1 (acos (/ -1 a))) (/ 0 (acos (/ -1 a)))) (* 0 (/ 0 (acos (/ -1 a)))))) into 0
10.898 * [backup-simplify]: Simplify 0 into 0
10.899 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 (acos (/ -1 a))))))) into 0
10.900 * [backup-simplify]: Simplify (- (+ (* (/ 1 (acos (/ -1 a))) (/ 0 (acos (/ -1 a)))) (* 0 (/ 0 (acos (/ -1 a)))) (* 0 (/ 0 (acos (/ -1 a)))))) into 0
10.900 * [backup-simplify]: Simplify 0 into 0
10.909 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (acos (/ -1 a)))))))) into 0
10.909 * [backup-simplify]: Simplify (- (+ (* (/ 1 (acos (/ -1 a))) (/ 0 (acos (/ -1 a)))) (* 0 (/ 0 (acos (/ -1 a)))) (* 0 (/ 0 (acos (/ -1 a)))) (* 0 (/ 0 (acos (/ -1 a)))))) into 0
10.909 * [backup-simplify]: Simplify 0 into 0
10.912 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (acos (/ -1 a))))))))) into 0
10.912 * [backup-simplify]: Simplify (- (+ (* (/ 1 (acos (/ -1 a))) (/ 0 (acos (/ -1 a)))) (* 0 (/ 0 (acos (/ -1 a)))) (* 0 (/ 0 (acos (/ -1 a)))) (* 0 (/ 0 (acos (/ -1 a)))) (* 0 (/ 0 (acos (/ -1 a)))))) into 0
10.912 * [backup-simplify]: Simplify 0 into 0
10.915 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (acos (/ -1 a)))))))))) into 0
10.915 * [backup-simplify]: Simplify (- (+ (* (/ 1 (acos (/ -1 a))) (/ 0 (acos (/ -1 a)))) (* 0 (/ 0 (acos (/ -1 a)))) (* 0 (/ 0 (acos (/ -1 a)))) (* 0 (/ 0 (acos (/ -1 a)))) (* 0 (/ 0 (acos (/ -1 a)))) (* 0 (/ 0 (acos (/ -1 a)))))) into 0
10.915 * [backup-simplify]: Simplify 0 into 0
10.916 * [backup-simplify]: Simplify (* (/ 1 (acos (/ -1 (/ 1 (- a))))) (/ 1 (/ 1 (- a)))) into (* -1 (/ a (acos a)))
10.916 * * * * [progress]: [ 2 / 2 ] generating series at (2 2 1)
10.916 * [backup-simplify]: Simplify (/ (acos a) a) into (/ (acos a) a)
10.916 * [approximate]: Taking taylor expansion of (/ (acos a) a) in (a) around 0
10.916 * [taylor]: Taking taylor expansion of (/ (acos a) a) in a
10.916 * [taylor]: Taking taylor expansion of (acos a) in a
10.916 * [backup-simplify]: Simplify (acos a) into (acos a)
10.916 * [taylor]: Taking taylor expansion of a in a
10.916 * [backup-simplify]: Simplify 0 into 0
10.916 * [backup-simplify]: Simplify 1 into 1
10.916 * [backup-simplify]: Simplify (/ (acos a) 1) into (acos a)
10.916 * [taylor]: Taking taylor expansion of (/ (acos a) a) in a
10.916 * [taylor]: Taking taylor expansion of (acos a) in a
10.916 * [backup-simplify]: Simplify (acos a) into (acos a)
10.916 * [taylor]: Taking taylor expansion of a in a
10.916 * [backup-simplify]: Simplify 0 into 0
10.916 * [backup-simplify]: Simplify 1 into 1
10.916 * [backup-simplify]: Simplify (/ (acos a) 1) into (acos a)
10.917 * [backup-simplify]: Simplify (acos a) into (acos a)
10.917 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* (acos a) (/ 0 1)))) into 0
10.917 * [backup-simplify]: Simplify 0 into 0
10.919 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* (acos a) (/ 0 1)) (* 0 (/ 0 1)))) into 0
10.919 * [backup-simplify]: Simplify 0 into 0
10.921 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* (acos a) (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
10.921 * [backup-simplify]: Simplify 0 into 0
10.923 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* (acos a) (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
10.923 * [backup-simplify]: Simplify 0 into 0
10.926 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* (acos a) (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
10.926 * [backup-simplify]: Simplify 0 into 0
10.929 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* (acos a) (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
10.929 * [backup-simplify]: Simplify 0 into 0
10.929 * [backup-simplify]: Simplify (* (acos a) (/ 1 a)) into (/ (acos a) a)
10.929 * [backup-simplify]: Simplify (/ (acos (/ 1 a)) (/ 1 a)) into (* (acos (/ 1 a)) a)
10.929 * [approximate]: Taking taylor expansion of (* (acos (/ 1 a)) a) in (a) around 0
10.929 * [taylor]: Taking taylor expansion of (* (acos (/ 1 a)) a) in a
10.929 * [taylor]: Taking taylor expansion of (acos (/ 1 a)) in a
10.929 * [backup-simplify]: Simplify (acos (/ 1 a)) into (acos (/ 1 a))
10.929 * [taylor]: Taking taylor expansion of a in a
10.929 * [backup-simplify]: Simplify 0 into 0
10.929 * [backup-simplify]: Simplify 1 into 1
10.929 * [taylor]: Taking taylor expansion of (* (acos (/ 1 a)) a) in a
10.929 * [taylor]: Taking taylor expansion of (acos (/ 1 a)) in a
10.929 * [backup-simplify]: Simplify (acos (/ 1 a)) into (acos (/ 1 a))
10.929 * [taylor]: Taking taylor expansion of a in a
10.930 * [backup-simplify]: Simplify 0 into 0
10.930 * [backup-simplify]: Simplify 1 into 1
10.930 * [backup-simplify]: Simplify (* (acos (/ 1 a)) 0) into 0
10.930 * [backup-simplify]: Simplify 0 into 0
10.930 * [backup-simplify]: Simplify (+ (* (acos (/ 1 a)) 1) (* 0 0)) into (acos (/ 1 a))
10.930 * [backup-simplify]: Simplify (acos (/ 1 a)) into (acos (/ 1 a))
10.931 * [backup-simplify]: Simplify (+ (* (acos (/ 1 a)) 0) (+ (* 0 1) (* 0 0))) into 0
10.931 * [backup-simplify]: Simplify 0 into 0
10.931 * [backup-simplify]: Simplify (+ (* (acos (/ 1 a)) 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))) into 0
10.931 * [backup-simplify]: Simplify 0 into 0
10.932 * [backup-simplify]: Simplify (+ (* (acos (/ 1 a)) 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0))))) into 0
10.932 * [backup-simplify]: Simplify 0 into 0
10.933 * [backup-simplify]: Simplify (+ (* (acos (/ 1 a)) 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))))) into 0
10.933 * [backup-simplify]: Simplify 0 into 0
10.933 * [backup-simplify]: Simplify (+ (* (acos (/ 1 a)) 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0))))))) into 0
10.933 * [backup-simplify]: Simplify 0 into 0
10.934 * [backup-simplify]: Simplify (+ (* (acos (/ 1 a)) 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))))))) into 0
10.934 * [backup-simplify]: Simplify 0 into 0
10.934 * [backup-simplify]: Simplify (* (acos (/ 1 (/ 1 a))) (/ 1 a)) into (/ (acos a) a)
10.934 * [backup-simplify]: Simplify (/ (acos (/ 1 (- a))) (/ 1 (- a))) into (* -1 (* a (acos (/ -1 a))))
10.934 * [approximate]: Taking taylor expansion of (* -1 (* a (acos (/ -1 a)))) in (a) around 0
10.934 * [taylor]: Taking taylor expansion of (* -1 (* a (acos (/ -1 a)))) in a
10.934 * [taylor]: Taking taylor expansion of -1 in a
10.934 * [backup-simplify]: Simplify -1 into -1
10.934 * [taylor]: Taking taylor expansion of (* a (acos (/ -1 a))) in a
10.934 * [taylor]: Taking taylor expansion of a in a
10.934 * [backup-simplify]: Simplify 0 into 0
10.934 * [backup-simplify]: Simplify 1 into 1
10.934 * [taylor]: Taking taylor expansion of (acos (/ -1 a)) in a
10.935 * [backup-simplify]: Simplify (acos (/ -1 a)) into (acos (/ -1 a))
10.935 * [taylor]: Taking taylor expansion of (* -1 (* a (acos (/ -1 a)))) in a
10.935 * [taylor]: Taking taylor expansion of -1 in a
10.935 * [backup-simplify]: Simplify -1 into -1
10.935 * [taylor]: Taking taylor expansion of (* a (acos (/ -1 a))) in a
10.935 * [taylor]: Taking taylor expansion of a in a
10.935 * [backup-simplify]: Simplify 0 into 0
10.935 * [backup-simplify]: Simplify 1 into 1
10.935 * [taylor]: Taking taylor expansion of (acos (/ -1 a)) in a
10.935 * [backup-simplify]: Simplify (acos (/ -1 a)) into (acos (/ -1 a))
10.935 * [backup-simplify]: Simplify (* 0 (acos (/ -1 a))) into 0
10.935 * [backup-simplify]: Simplify (* -1 0) into 0
10.935 * [backup-simplify]: Simplify 0 into 0
10.935 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 (acos (/ -1 a)))) into (acos (/ -1 a))
10.936 * [backup-simplify]: Simplify (+ (* -1 (acos (/ -1 a))) (* 0 0)) into (- (acos (/ -1 a)))
10.936 * [backup-simplify]: Simplify (- (acos (/ -1 a))) into (- (acos (/ -1 a)))
10.936 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (* 0 (acos (/ -1 a))))) into 0
10.937 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 (acos (/ -1 a))) (* 0 0))) into 0
10.937 * [backup-simplify]: Simplify 0 into 0
10.938 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (* 0 (acos (/ -1 a)))))) into 0
10.938 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 (acos (/ -1 a))) (* 0 0)))) into 0
10.938 * [backup-simplify]: Simplify 0 into 0
10.939 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 (acos (/ -1 a))))))) into 0
10.940 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 (acos (/ -1 a))) (* 0 0))))) into 0
10.940 * [backup-simplify]: Simplify 0 into 0
10.941 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (acos (/ -1 a)))))))) into 0
10.942 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 (acos (/ -1 a))) (* 0 0)))))) into 0
10.943 * [backup-simplify]: Simplify 0 into 0
10.944 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (acos (/ -1 a))))))))) into 0
10.945 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 (acos (/ -1 a))) (* 0 0))))))) into 0
10.945 * [backup-simplify]: Simplify 0 into 0
10.947 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (acos (/ -1 a)))))))))) into 0
10.948 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 (acos (/ -1 a))) (* 0 0)))))))) into 0
10.948 * [backup-simplify]: Simplify 0 into 0
10.948 * [backup-simplify]: Simplify (* (- (acos (/ -1 (/ 1 (- a))))) (/ 1 (- a))) into (/ (acos a) a)
10.948 * * * [progress]: simplifying candidates
10.951 * [simplify]: Simplifying:
  (expm1 (/ 1 (- (/ (acos a) a))))
  (log1p (/ 1 (- (/ (acos a) a))))
  (- 1)
  (- (log (- (/ (acos a) a))))
  (- 0 (log (- (/ (acos a) a))))
  (- (log 1) (log (- (/ (acos a) a))))
  (log (/ 1 (- (/ (acos a) a))))
  (exp (/ 1 (- (/ (acos a) a))))
  (/ (* (* 1 1) 1) (* (* (- (/ (acos a) a)) (- (/ (acos a) a))) (- (/ (acos a) a))))
  (* (cbrt (/ 1 (- (/ (acos a) a)))) (cbrt (/ 1 (- (/ (acos a) a)))))
  (cbrt (/ 1 (- (/ (acos a) a))))
  (* (* (/ 1 (- (/ (acos a) a))) (/ 1 (- (/ (acos a) a)))) (/ 1 (- (/ (acos a) a))))
  (sqrt (/ 1 (- (/ (acos a) a))))
  (sqrt (/ 1 (- (/ (acos a) a))))
  (- 1)
  (- (- (/ (acos a) a)))
  (/ (* (cbrt 1) (cbrt 1)) (* (cbrt (- (/ (acos a) a))) (cbrt (- (/ (acos a) a)))))
  (/ (cbrt 1) (cbrt (- (/ (acos a) a))))
  (/ (* (cbrt 1) (cbrt 1)) (sqrt (- (/ (acos a) a))))
  (/ (cbrt 1) (sqrt (- (/ (acos a) a))))
  (/ (* (cbrt 1) (cbrt 1)) 1)
  (/ (cbrt 1) (- (/ (acos a) a)))
  (/ (* (cbrt 1) (cbrt 1)) -1)
  (/ (cbrt 1) (/ (acos a) a))
  (/ (* (cbrt 1) (cbrt 1)) (- (* (cbrt (/ (acos a) a)) (cbrt (/ (acos a) a)))))
  (/ (cbrt 1) (cbrt (/ (acos a) a)))
  (/ (* (cbrt 1) (cbrt 1)) (- (sqrt (/ (acos a) a))))
  (/ (cbrt 1) (sqrt (/ (acos a) a)))
  (/ (* (cbrt 1) (cbrt 1)) (- (/ (* (cbrt (acos a)) (cbrt (acos a))) (* (cbrt a) (cbrt a)))))
  (/ (cbrt 1) (/ (cbrt (acos a)) (cbrt a)))
  (/ (* (cbrt 1) (cbrt 1)) (- (/ (* (cbrt (acos a)) (cbrt (acos a))) (sqrt a))))
  (/ (cbrt 1) (/ (cbrt (acos a)) (sqrt a)))
  (/ (* (cbrt 1) (cbrt 1)) (- (/ (* (cbrt (acos a)) (cbrt (acos a))) 1)))
  (/ (cbrt 1) (/ (cbrt (acos a)) a))
  (/ (* (cbrt 1) (cbrt 1)) (- (/ (sqrt (acos a)) (* (cbrt a) (cbrt a)))))
  (/ (cbrt 1) (/ (sqrt (acos a)) (cbrt a)))
  (/ (* (cbrt 1) (cbrt 1)) (- (/ (sqrt (acos a)) (sqrt a))))
  (/ (cbrt 1) (/ (sqrt (acos a)) (sqrt a)))
  (/ (* (cbrt 1) (cbrt 1)) (- (/ (sqrt (acos a)) 1)))
  (/ (cbrt 1) (/ (sqrt (acos a)) a))
  (/ (* (cbrt 1) (cbrt 1)) (- (/ 1 (* (cbrt a) (cbrt a)))))
  (/ (cbrt 1) (/ (acos a) (cbrt a)))
  (/ (* (cbrt 1) (cbrt 1)) (- (/ 1 (sqrt a))))
  (/ (cbrt 1) (/ (acos a) (sqrt a)))
  (/ (* (cbrt 1) (cbrt 1)) (- (/ 1 1)))
  (/ (cbrt 1) (/ (acos a) a))
  (/ (* (cbrt 1) (cbrt 1)) (- 1))
  (/ (cbrt 1) (/ (acos a) a))
  (/ (* (cbrt 1) (cbrt 1)) (- (acos a)))
  (/ (cbrt 1) (/ 1 a))
  (/ (* (cbrt 1) (cbrt 1)) (* (cbrt (/ (acos a) a)) (cbrt (/ (acos a) a))))
  (/ (cbrt 1) (- (cbrt (/ (acos a) a))))
  (/ (* (cbrt 1) (cbrt 1)) (sqrt (/ (acos a) a)))
  (/ (cbrt 1) (- (sqrt (/ (acos a) a))))
  (/ (* (cbrt 1) (cbrt 1)) (/ (* (cbrt (acos a)) (cbrt (acos a))) (* (cbrt a) (cbrt a))))
  (/ (cbrt 1) (- (/ (cbrt (acos a)) (cbrt a))))
  (/ (* (cbrt 1) (cbrt 1)) (/ (* (cbrt (acos a)) (cbrt (acos a))) (sqrt a)))
  (/ (cbrt 1) (- (/ (cbrt (acos a)) (sqrt a))))
  (/ (* (cbrt 1) (cbrt 1)) (/ (* (cbrt (acos a)) (cbrt (acos a))) 1))
  (/ (cbrt 1) (- (/ (cbrt (acos a)) a)))
  (/ (* (cbrt 1) (cbrt 1)) (/ (sqrt (acos a)) (* (cbrt a) (cbrt a))))
  (/ (cbrt 1) (- (/ (sqrt (acos a)) (cbrt a))))
  (/ (* (cbrt 1) (cbrt 1)) (/ (sqrt (acos a)) (sqrt a)))
  (/ (cbrt 1) (- (/ (sqrt (acos a)) (sqrt a))))
  (/ (* (cbrt 1) (cbrt 1)) (/ (sqrt (acos a)) 1))
  (/ (cbrt 1) (- (/ (sqrt (acos a)) a)))
  (/ (* (cbrt 1) (cbrt 1)) (/ 1 (* (cbrt a) (cbrt a))))
  (/ (cbrt 1) (- (/ (acos a) (cbrt a))))
  (/ (* (cbrt 1) (cbrt 1)) (/ 1 (sqrt a)))
  (/ (cbrt 1) (- (/ (acos a) (sqrt a))))
  (/ (* (cbrt 1) (cbrt 1)) (/ 1 1))
  (/ (cbrt 1) (- (/ (acos a) a)))
  (/ (* (cbrt 1) (cbrt 1)) 1)
  (/ (cbrt 1) (- (/ (acos a) a)))
  (/ (* (cbrt 1) (cbrt 1)) (acos a))
  (/ (cbrt 1) (- (/ 1 a)))
  (/ (sqrt 1) (* (cbrt (- (/ (acos a) a))) (cbrt (- (/ (acos a) a)))))
  (/ (sqrt 1) (cbrt (- (/ (acos a) a))))
  (/ (sqrt 1) (sqrt (- (/ (acos a) a))))
  (/ (sqrt 1) (sqrt (- (/ (acos a) a))))
  (/ (sqrt 1) 1)
  (/ (sqrt 1) (- (/ (acos a) a)))
  (/ (sqrt 1) -1)
  (/ (sqrt 1) (/ (acos a) a))
  (/ (sqrt 1) (- (* (cbrt (/ (acos a) a)) (cbrt (/ (acos a) a)))))
  (/ (sqrt 1) (cbrt (/ (acos a) a)))
  (/ (sqrt 1) (- (sqrt (/ (acos a) a))))
  (/ (sqrt 1) (sqrt (/ (acos a) a)))
  (/ (sqrt 1) (- (/ (* (cbrt (acos a)) (cbrt (acos a))) (* (cbrt a) (cbrt a)))))
  (/ (sqrt 1) (/ (cbrt (acos a)) (cbrt a)))
  (/ (sqrt 1) (- (/ (* (cbrt (acos a)) (cbrt (acos a))) (sqrt a))))
  (/ (sqrt 1) (/ (cbrt (acos a)) (sqrt a)))
  (/ (sqrt 1) (- (/ (* (cbrt (acos a)) (cbrt (acos a))) 1)))
  (/ (sqrt 1) (/ (cbrt (acos a)) a))
  (/ (sqrt 1) (- (/ (sqrt (acos a)) (* (cbrt a) (cbrt a)))))
  (/ (sqrt 1) (/ (sqrt (acos a)) (cbrt a)))
  (/ (sqrt 1) (- (/ (sqrt (acos a)) (sqrt a))))
  (/ (sqrt 1) (/ (sqrt (acos a)) (sqrt a)))
  (/ (sqrt 1) (- (/ (sqrt (acos a)) 1)))
  (/ (sqrt 1) (/ (sqrt (acos a)) a))
  (/ (sqrt 1) (- (/ 1 (* (cbrt a) (cbrt a)))))
  (/ (sqrt 1) (/ (acos a) (cbrt a)))
  (/ (sqrt 1) (- (/ 1 (sqrt a))))
  (/ (sqrt 1) (/ (acos a) (sqrt a)))
  (/ (sqrt 1) (- (/ 1 1)))
  (/ (sqrt 1) (/ (acos a) a))
  (/ (sqrt 1) (- 1))
  (/ (sqrt 1) (/ (acos a) a))
  (/ (sqrt 1) (- (acos a)))
  (/ (sqrt 1) (/ 1 a))
  (/ (sqrt 1) (* (cbrt (/ (acos a) a)) (cbrt (/ (acos a) a))))
  (/ (sqrt 1) (- (cbrt (/ (acos a) a))))
  (/ (sqrt 1) (sqrt (/ (acos a) a)))
  (/ (sqrt 1) (- (sqrt (/ (acos a) a))))
  (/ (sqrt 1) (/ (* (cbrt (acos a)) (cbrt (acos a))) (* (cbrt a) (cbrt a))))
  (/ (sqrt 1) (- (/ (cbrt (acos a)) (cbrt a))))
  (/ (sqrt 1) (/ (* (cbrt (acos a)) (cbrt (acos a))) (sqrt a)))
  (/ (sqrt 1) (- (/ (cbrt (acos a)) (sqrt a))))
  (/ (sqrt 1) (/ (* (cbrt (acos a)) (cbrt (acos a))) 1))
  (/ (sqrt 1) (- (/ (cbrt (acos a)) a)))
  (/ (sqrt 1) (/ (sqrt (acos a)) (* (cbrt a) (cbrt a))))
  (/ (sqrt 1) (- (/ (sqrt (acos a)) (cbrt a))))
  (/ (sqrt 1) (/ (sqrt (acos a)) (sqrt a)))
  (/ (sqrt 1) (- (/ (sqrt (acos a)) (sqrt a))))
  (/ (sqrt 1) (/ (sqrt (acos a)) 1))
  (/ (sqrt 1) (- (/ (sqrt (acos a)) a)))
  (/ (sqrt 1) (/ 1 (* (cbrt a) (cbrt a))))
  (/ (sqrt 1) (- (/ (acos a) (cbrt a))))
  (/ (sqrt 1) (/ 1 (sqrt a)))
  (/ (sqrt 1) (- (/ (acos a) (sqrt a))))
  (/ (sqrt 1) (/ 1 1))
  (/ (sqrt 1) (- (/ (acos a) a)))
  (/ (sqrt 1) 1)
  (/ (sqrt 1) (- (/ (acos a) a)))
  (/ (sqrt 1) (acos a))
  (/ (sqrt 1) (- (/ 1 a)))
  (/ 1 (* (cbrt (- (/ (acos a) a))) (cbrt (- (/ (acos a) a)))))
  (/ 1 (cbrt (- (/ (acos a) a))))
  (/ 1 (sqrt (- (/ (acos a) a))))
  (/ 1 (sqrt (- (/ (acos a) a))))
  (/ 1 1)
  (/ 1 (- (/ (acos a) a)))
  (/ 1 -1)
  (/ 1 (/ (acos a) a))
  (/ 1 (- (* (cbrt (/ (acos a) a)) (cbrt (/ (acos a) a)))))
  (/ 1 (cbrt (/ (acos a) a)))
  (/ 1 (- (sqrt (/ (acos a) a))))
  (/ 1 (sqrt (/ (acos a) a)))
  (/ 1 (- (/ (* (cbrt (acos a)) (cbrt (acos a))) (* (cbrt a) (cbrt a)))))
  (/ 1 (/ (cbrt (acos a)) (cbrt a)))
  (/ 1 (- (/ (* (cbrt (acos a)) (cbrt (acos a))) (sqrt a))))
  (/ 1 (/ (cbrt (acos a)) (sqrt a)))
  (/ 1 (- (/ (* (cbrt (acos a)) (cbrt (acos a))) 1)))
  (/ 1 (/ (cbrt (acos a)) a))
  (/ 1 (- (/ (sqrt (acos a)) (* (cbrt a) (cbrt a)))))
  (/ 1 (/ (sqrt (acos a)) (cbrt a)))
  (/ 1 (- (/ (sqrt (acos a)) (sqrt a))))
  (/ 1 (/ (sqrt (acos a)) (sqrt a)))
  (/ 1 (- (/ (sqrt (acos a)) 1)))
  (/ 1 (/ (sqrt (acos a)) a))
  (/ 1 (- (/ 1 (* (cbrt a) (cbrt a)))))
  (/ 1 (/ (acos a) (cbrt a)))
  (/ 1 (- (/ 1 (sqrt a))))
  (/ 1 (/ (acos a) (sqrt a)))
  (/ 1 (- (/ 1 1)))
  (/ 1 (/ (acos a) a))
  (/ 1 (- 1))
  (/ 1 (/ (acos a) a))
  (/ 1 (- (acos a)))
  (/ 1 (/ 1 a))
  (/ 1 (* (cbrt (/ (acos a) a)) (cbrt (/ (acos a) a))))
  (/ 1 (- (cbrt (/ (acos a) a))))
  (/ 1 (sqrt (/ (acos a) a)))
  (/ 1 (- (sqrt (/ (acos a) a))))
  (/ 1 (/ (* (cbrt (acos a)) (cbrt (acos a))) (* (cbrt a) (cbrt a))))
  (/ 1 (- (/ (cbrt (acos a)) (cbrt a))))
  (/ 1 (/ (* (cbrt (acos a)) (cbrt (acos a))) (sqrt a)))
  (/ 1 (- (/ (cbrt (acos a)) (sqrt a))))
  (/ 1 (/ (* (cbrt (acos a)) (cbrt (acos a))) 1))
  (/ 1 (- (/ (cbrt (acos a)) a)))
  (/ 1 (/ (sqrt (acos a)) (* (cbrt a) (cbrt a))))
  (/ 1 (- (/ (sqrt (acos a)) (cbrt a))))
  (/ 1 (/ (sqrt (acos a)) (sqrt a)))
  (/ 1 (- (/ (sqrt (acos a)) (sqrt a))))
  (/ 1 (/ (sqrt (acos a)) 1))
  (/ 1 (- (/ (sqrt (acos a)) a)))
  (/ 1 (/ 1 (* (cbrt a) (cbrt a))))
  (/ 1 (- (/ (acos a) (cbrt a))))
  (/ 1 (/ 1 (sqrt a)))
  (/ 1 (- (/ (acos a) (sqrt a))))
  (/ 1 (/ 1 1))
  (/ 1 (- (/ (acos a) a)))
  (/ 1 1)
  (/ 1 (- (/ (acos a) a)))
  (/ 1 (acos a))
  (/ 1 (- (/ 1 a)))
  (/ 1 (- (/ (acos a) a)))
  (/ (- (/ (acos a) a)) 1)
  (/ 1 (* (cbrt (- (/ (acos a) a))) (cbrt (- (/ (acos a) a)))))
  (/ 1 (sqrt (- (/ (acos a) a))))
  (/ 1 1)
  (/ 1 -1)
  (/ 1 (- (* (cbrt (/ (acos a) a)) (cbrt (/ (acos a) a)))))
  (/ 1 (- (sqrt (/ (acos a) a))))
  (/ 1 (- (/ (* (cbrt (acos a)) (cbrt (acos a))) (* (cbrt a) (cbrt a)))))
  (/ 1 (- (/ (* (cbrt (acos a)) (cbrt (acos a))) (sqrt a))))
  (/ 1 (- (/ (* (cbrt (acos a)) (cbrt (acos a))) 1)))
  (/ 1 (- (/ (sqrt (acos a)) (* (cbrt a) (cbrt a)))))
  (/ 1 (- (/ (sqrt (acos a)) (sqrt a))))
  (/ 1 (- (/ (sqrt (acos a)) 1)))
  (/ 1 (- (/ 1 (* (cbrt a) (cbrt a)))))
  (/ 1 (- (/ 1 (sqrt a))))
  (/ 1 (- (/ 1 1)))
  (/ 1 (- 1))
  (/ 1 (- (acos a)))
  (/ 1 (* (cbrt (/ (acos a) a)) (cbrt (/ (acos a) a))))
  (/ 1 (sqrt (/ (acos a) a)))
  (/ 1 (/ (* (cbrt (acos a)) (cbrt (acos a))) (* (cbrt a) (cbrt a))))
  (/ 1 (/ (* (cbrt (acos a)) (cbrt (acos a))) (sqrt a)))
  (/ 1 (/ (* (cbrt (acos a)) (cbrt (acos a))) 1))
  (/ 1 (/ (sqrt (acos a)) (* (cbrt a) (cbrt a))))
  (/ 1 (/ (sqrt (acos a)) (sqrt a)))
  (/ 1 (/ (sqrt (acos a)) 1))
  (/ 1 (/ 1 (* (cbrt a) (cbrt a))))
  (/ 1 (/ 1 (sqrt a)))
  (/ 1 (/ 1 1))
  (/ 1 1)
  (/ 1 (acos a))
  (/ (- (/ (acos a) a)) (cbrt 1))
  (/ (- (/ (acos a) a)) (sqrt 1))
  (/ (- (/ (acos a) a)) 1)
  (/ 1 (- (acos a)))
  (expm1 (/ (acos a) a))
  (log1p (/ (acos a) a))
  (- (log (acos a)) (log a))
  (log (/ (acos a) a))
  (exp (/ (acos a) a))
  (/ (* (* (acos a) (acos a)) (acos a)) (* (* a a) a))
  (* (cbrt (/ (acos a) a)) (cbrt (/ (acos a) a)))
  (cbrt (/ (acos a) a))
  (* (* (/ (acos a) a) (/ (acos a) a)) (/ (acos a) a))
  (sqrt (/ (acos a) a))
  (sqrt (/ (acos a) a))
  (- (acos a))
  (- a)
  (/ (/ PI 2) a)
  (/ (asin a) a)
  (/ (* (cbrt (acos a)) (cbrt (acos a))) (* (cbrt a) (cbrt a)))
  (/ (cbrt (acos a)) (cbrt a))
  (/ (* (cbrt (acos a)) (cbrt (acos a))) (sqrt a))
  (/ (cbrt (acos a)) (sqrt a))
  (/ (* (cbrt (acos a)) (cbrt (acos a))) 1)
  (/ (cbrt (acos a)) a)
  (/ (sqrt (acos a)) (* (cbrt a) (cbrt a)))
  (/ (sqrt (acos a)) (cbrt a))
  (/ (sqrt (acos a)) (sqrt a))
  (/ (sqrt (acos a)) (sqrt a))
  (/ (sqrt (acos a)) 1)
  (/ (sqrt (acos a)) a)
  (/ 1 (* (cbrt a) (cbrt a)))
  (/ (acos a) (cbrt a))
  (/ 1 (sqrt a))
  (/ (acos a) (sqrt a))
  (/ 1 1)
  (/ (acos a) a)
  (/ 1 a)
  (/ a (acos a))
  (/ (acos a) (* (cbrt a) (cbrt a)))
  (/ (acos a) (sqrt a))
  (/ (acos a) 1)
  (/ a (cbrt (acos a)))
  (/ a (sqrt (acos a)))
  (/ a (acos a))
  (* -1 (/ a (acos a)))
  (* -1 (/ a (acos a)))
  (* -1 (/ a (acos a)))
  (/ (acos a) a)
  (/ (acos a) a)
  (/ (acos a) a)
10.955 * * [simplify]: Extracting # 0 : cost  0
10.955 * * [simplify]: Extracting # 1 : cost  0
10.955 * * [simplify]: Extracting # 2 : cost  0
10.956 * * [simplify]: Extracting # 3 : cost  0
10.956 * * [simplify]: Extracting # 4 : cost  0
10.956 * * [simplify]: Extracting # 5 : cost  0
10.957 * * [simplify]: Extracting # 6 : cost  0
10.957 * * [simplify]: iteration  0 :  265  enodes  (cost  2409 )
11.085 * * [simplify]: Extracting # 0 : cost  0
11.086 * * [simplify]: Extracting # 1 : cost  0
11.086 * * [simplify]: Extracting # 2 : cost  0
11.087 * * [simplify]: iteration  1 :  472  enodes  (cost  2004 )
11.187 * * [simplify]: Extracting # 0 : cost  0
11.188 * * [simplify]: Extracting # 1 : cost  0
11.188 * * [simplify]: Extracting # 2 : cost  0
11.189 * * [simplify]: Extracting # 3 : cost  0
11.190 * * [simplify]: iteration  2 :  774  enodes  (cost  1861 )
11.469 * * [simplify]: Extracting # 0 : cost  0
11.472 * * [simplify]: Extracting # 1 : cost  0
11.473 * * [simplify]: Extracting # 2 : cost  0
11.475 * * [simplify]: Extracting # 3 : cost  0
11.476 * * [simplify]: Extracting # 4 : cost  0
11.478 * * [simplify]: iteration  3 :  1510  enodes  (cost  1711 )
12.592 * * [simplify]: Extracting # 0 : cost  0
12.594 * * [simplify]: Extracting # 1 : cost  0
12.596 * * [simplify]: Extracting # 2 : cost  0
12.598 * * [simplify]: Extracting # 3 : cost  0
12.605 * * [simplify]: Extracting # 4 : cost  0
12.607 * * [simplify]: iteration  4 :  2755  enodes  (cost  1711 )
16.135 * * [simplify]: Extracting # 0 : cost  0
16.145 * * [simplify]: Extracting # 1 : cost  0
16.153 * * [simplify]: Extracting # 2 : cost  0
16.156 * * [simplify]: Extracting # 3 : cost  0
16.159 * * [simplify]: Extracting # 4 : cost  0
16.161 * * [simplify]: iteration done:  5000  enodes  (cost  1711 )
16.163 * [simplify]: Simplified to:
  (expm1 (/ a (- (acos a))))
  (log1p (/ a (- (acos a))))
  -1
  (log (/ a (- (acos a))))
  (log (/ a (- (acos a))))
  (log (/ a (- (acos a))))
  (log (/ a (- (acos a))))
  (exp (/ a (- (acos a))))
  (pow (/ a (- (acos a))) 3)
  (* (cbrt (/ a (- (acos a)))) (cbrt (/ a (- (acos a)))))
  (cbrt (/ a (- (acos a))))
  (pow (/ a (- (acos a))) 3)
  (sqrt (/ a (- (acos a))))
  (sqrt (/ a (- (acos a))))
  -1
  (/ (acos a) a)
  (/ 1 (* (cbrt (- (/ (acos a) a))) (cbrt (- (/ (acos a) a)))))
  (/ 1 (cbrt (- (/ (acos a) a))))
  (/ 1 (sqrt (- (/ (acos a) a))))
  (/ 1 (sqrt (- (/ (acos a) a))))
  1
  (- (/ a (acos a)))
  -1
  (/ a (acos a))
  (/ 1 (- (* (cbrt (/ (acos a) a)) (cbrt (/ (acos a) a)))))
  (/ 1 (cbrt (/ (acos a) a)))
  (/ 1 (- (sqrt (/ (acos a) a))))
  (/ 1 (sqrt (/ (acos a) a)))
  (/ (* (cbrt a) (cbrt a)) (- (* (cbrt (acos a)) (cbrt (acos a)))))
  (/ (cbrt a) (cbrt (acos a)))
  (/ (sqrt a) (- (* (cbrt (acos a)) (cbrt (acos a)))))
  (/ (sqrt a) (cbrt (acos a)))
  (/ (/ 1 (cbrt (acos a))) (- (cbrt (acos a))))
  (/ a (cbrt (acos a)))
  (/ (* (cbrt a) (cbrt a)) (- (sqrt (acos a))))
  (/ (cbrt a) (sqrt (acos a)))
  (/ (sqrt a) (- (sqrt (acos a))))
  (/ (sqrt a) (sqrt (acos a)))
  (/ 1 (- (sqrt (acos a))))
  (/ a (sqrt (acos a)))
  (- (* (cbrt a) (cbrt a)))
  (/ (cbrt a) (acos a))
  (- (sqrt a))
  (/ (sqrt a) (acos a))
  -1
  (/ a (acos a))
  -1
  (/ a (acos a))
  (/ 1 (- (acos a)))
  a
  (/ 1 (* (cbrt (/ (acos a) a)) (cbrt (/ (acos a) a))))
  (/ 1 (- (cbrt (/ (acos a) a))))
  (/ 1 (sqrt (/ (acos a) a)))
  (/ 1 (- (sqrt (/ (acos a) a))))
  (/ (* (cbrt a) (cbrt a)) (* (cbrt (acos a)) (cbrt (acos a))))
  (/ (cbrt a) (- (cbrt (acos a))))
  (/ (sqrt a) (* (cbrt (acos a)) (cbrt (acos a))))
  (/ (sqrt a) (- (cbrt (acos a))))
  (/ (/ 1 (cbrt (acos a))) (cbrt (acos a)))
  (/ a (- (cbrt (acos a))))
  (/ (* (cbrt a) (cbrt a)) (sqrt (acos a)))
  (/ (cbrt a) (- (sqrt (acos a))))
  (/ (sqrt a) (sqrt (acos a)))
  (/ (sqrt a) (- (sqrt (acos a))))
  (/ 1 (sqrt (acos a)))
  (/ a (- (sqrt (acos a))))
  (* (cbrt a) (cbrt a))
  (/ (cbrt a) (- (acos a)))
  (sqrt a)
  (/ (sqrt a) (- (acos a)))
  1
  (- (/ a (acos a)))
  1
  (- (/ a (acos a)))
  (/ 1 (acos a))
  (- a)
  (/ 1 (* (cbrt (- (/ (acos a) a))) (cbrt (- (/ (acos a) a)))))
  (/ 1 (cbrt (- (/ (acos a) a))))
  (/ 1 (sqrt (- (/ (acos a) a))))
  (/ 1 (sqrt (- (/ (acos a) a))))
  1
  (- (/ a (acos a)))
  -1
  (/ a (acos a))
  (/ 1 (- (* (cbrt (/ (acos a) a)) (cbrt (/ (acos a) a)))))
  (/ 1 (cbrt (/ (acos a) a)))
  (/ 1 (- (sqrt (/ (acos a) a))))
  (/ 1 (sqrt (/ (acos a) a)))
  (/ (* (cbrt a) (cbrt a)) (- (* (cbrt (acos a)) (cbrt (acos a)))))
  (/ (cbrt a) (cbrt (acos a)))
  (/ (sqrt a) (- (* (cbrt (acos a)) (cbrt (acos a)))))
  (/ (sqrt a) (cbrt (acos a)))
  (/ (/ 1 (cbrt (acos a))) (- (cbrt (acos a))))
  (/ a (cbrt (acos a)))
  (/ (* (cbrt a) (cbrt a)) (- (sqrt (acos a))))
  (/ (cbrt a) (sqrt (acos a)))
  (/ (sqrt a) (- (sqrt (acos a))))
  (/ (sqrt a) (sqrt (acos a)))
  (/ 1 (- (sqrt (acos a))))
  (/ a (sqrt (acos a)))
  (- (* (cbrt a) (cbrt a)))
  (/ (cbrt a) (acos a))
  (- (sqrt a))
  (/ (sqrt a) (acos a))
  -1
  (/ a (acos a))
  -1
  (/ a (acos a))
  (/ 1 (- (acos a)))
  a
  (/ 1 (* (cbrt (/ (acos a) a)) (cbrt (/ (acos a) a))))
  (/ 1 (- (cbrt (/ (acos a) a))))
  (/ 1 (sqrt (/ (acos a) a)))
  (/ 1 (- (sqrt (/ (acos a) a))))
  (/ (* (cbrt a) (cbrt a)) (* (cbrt (acos a)) (cbrt (acos a))))
  (/ (cbrt a) (- (cbrt (acos a))))
  (/ (sqrt a) (* (cbrt (acos a)) (cbrt (acos a))))
  (/ (sqrt a) (- (cbrt (acos a))))
  (/ (/ 1 (cbrt (acos a))) (cbrt (acos a)))
  (/ a (- (cbrt (acos a))))
  (/ (* (cbrt a) (cbrt a)) (sqrt (acos a)))
  (/ (cbrt a) (- (sqrt (acos a))))
  (/ (sqrt a) (sqrt (acos a)))
  (/ (sqrt a) (- (sqrt (acos a))))
  (/ 1 (sqrt (acos a)))
  (/ a (- (sqrt (acos a))))
  (* (cbrt a) (cbrt a))
  (/ (cbrt a) (- (acos a)))
  (sqrt a)
  (/ (sqrt a) (- (acos a)))
  1
  (- (/ a (acos a)))
  1
  (- (/ a (acos a)))
  (/ 1 (acos a))
  (- a)
  (/ 1 (* (cbrt (- (/ (acos a) a))) (cbrt (- (/ (acos a) a)))))
  (/ 1 (cbrt (- (/ (acos a) a))))
  (/ 1 (sqrt (- (/ (acos a) a))))
  (/ 1 (sqrt (- (/ (acos a) a))))
  1
  (- (/ a (acos a)))
  -1
  (/ a (acos a))
  (/ 1 (- (* (cbrt (/ (acos a) a)) (cbrt (/ (acos a) a)))))
  (/ 1 (cbrt (/ (acos a) a)))
  (/ 1 (- (sqrt (/ (acos a) a))))
  (/ 1 (sqrt (/ (acos a) a)))
  (/ (* (cbrt a) (cbrt a)) (- (* (cbrt (acos a)) (cbrt (acos a)))))
  (/ (cbrt a) (cbrt (acos a)))
  (/ (sqrt a) (- (* (cbrt (acos a)) (cbrt (acos a)))))
  (/ (sqrt a) (cbrt (acos a)))
  (/ (/ 1 (cbrt (acos a))) (- (cbrt (acos a))))
  (/ a (cbrt (acos a)))
  (/ (* (cbrt a) (cbrt a)) (- (sqrt (acos a))))
  (/ (cbrt a) (sqrt (acos a)))
  (/ (sqrt a) (- (sqrt (acos a))))
  (/ (sqrt a) (sqrt (acos a)))
  (/ 1 (- (sqrt (acos a))))
  (/ a (sqrt (acos a)))
  (- (* (cbrt a) (cbrt a)))
  (/ (cbrt a) (acos a))
  (- (sqrt a))
  (/ (sqrt a) (acos a))
  -1
  (/ a (acos a))
  -1
  (/ a (acos a))
  (/ 1 (- (acos a)))
  a
  (/ 1 (* (cbrt (/ (acos a) a)) (cbrt (/ (acos a) a))))
  (/ 1 (- (cbrt (/ (acos a) a))))
  (/ 1 (sqrt (/ (acos a) a)))
  (/ 1 (- (sqrt (/ (acos a) a))))
  (/ (* (cbrt a) (cbrt a)) (* (cbrt (acos a)) (cbrt (acos a))))
  (/ (cbrt a) (- (cbrt (acos a))))
  (/ (sqrt a) (* (cbrt (acos a)) (cbrt (acos a))))
  (/ (sqrt a) (- (cbrt (acos a))))
  (/ (/ 1 (cbrt (acos a))) (cbrt (acos a)))
  (/ a (- (cbrt (acos a))))
  (/ (* (cbrt a) (cbrt a)) (sqrt (acos a)))
  (/ (cbrt a) (- (sqrt (acos a))))
  (/ (sqrt a) (sqrt (acos a)))
  (/ (sqrt a) (- (sqrt (acos a))))
  (/ 1 (sqrt (acos a)))
  (/ a (- (sqrt (acos a))))
  (* (cbrt a) (cbrt a))
  (/ (cbrt a) (- (acos a)))
  (sqrt a)
  (/ (sqrt a) (- (acos a)))
  1
  (- (/ a (acos a)))
  1
  (- (/ a (acos a)))
  (/ 1 (acos a))
  (- a)
  (- (/ a (acos a)))
  (- (/ (acos a) a))
  (/ 1 (* (cbrt (- (/ (acos a) a))) (cbrt (- (/ (acos a) a)))))
  (/ 1 (sqrt (- (/ (acos a) a))))
  1
  -1
  (/ 1 (- (* (cbrt (/ (acos a) a)) (cbrt (/ (acos a) a)))))
  (/ 1 (- (sqrt (/ (acos a) a))))
  (/ (* (cbrt a) (cbrt a)) (- (* (cbrt (acos a)) (cbrt (acos a)))))
  (/ (sqrt a) (- (* (cbrt (acos a)) (cbrt (acos a)))))
  (/ (/ 1 (cbrt (acos a))) (- (cbrt (acos a))))
  (/ (* (cbrt a) (cbrt a)) (- (sqrt (acos a))))
  (/ (sqrt a) (- (sqrt (acos a))))
  (/ 1 (- (sqrt (acos a))))
  (- (* (cbrt a) (cbrt a)))
  (- (sqrt a))
  -1
  -1
  (/ 1 (- (acos a)))
  (/ 1 (* (cbrt (/ (acos a) a)) (cbrt (/ (acos a) a))))
  (/ 1 (sqrt (/ (acos a) a)))
  (/ (* (cbrt a) (cbrt a)) (* (cbrt (acos a)) (cbrt (acos a))))
  (/ (sqrt a) (* (cbrt (acos a)) (cbrt (acos a))))
  (/ (/ 1 (cbrt (acos a))) (cbrt (acos a)))
  (/ (* (cbrt a) (cbrt a)) (sqrt (acos a)))
  (/ (sqrt a) (sqrt (acos a)))
  (/ 1 (sqrt (acos a)))
  (* (cbrt a) (cbrt a))
  (sqrt a)
  1
  1
  (/ 1 (acos a))
  (- (/ (acos a) a))
  (- (/ (acos a) a))
  (- (/ (acos a) a))
  (/ 1 (- (acos a)))
  (expm1 (/ (acos a) a))
  (log1p (/ (acos a) a))
  (log (/ (acos a) a))
  (log (/ (acos a) a))
  (exp (/ (acos a) a))
  (pow (/ (acos a) a) 3)
  (* (cbrt (/ (acos a) a)) (cbrt (/ (acos a) a)))
  (cbrt (/ (acos a) a))
  (pow (/ (acos a) a) 3)
  (sqrt (/ (acos a) a))
  (sqrt (/ (acos a) a))
  (- (acos a))
  (- a)
  (/ (/ PI 2) a)
  (/ (asin a) a)
  (/ (* (cbrt (acos a)) (/ (cbrt (acos a)) (cbrt a))) (cbrt a))
  (/ (cbrt (acos a)) (cbrt a))
  (/ (cbrt (acos a)) (/ (sqrt a) (cbrt (acos a))))
  (/ (cbrt (acos a)) (sqrt a))
  (* (cbrt (acos a)) (cbrt (acos a)))
  (/ (cbrt (acos a)) a)
  (/ (/ (sqrt (acos a)) (cbrt a)) (cbrt a))
  (/ (sqrt (acos a)) (cbrt a))
  (/ (sqrt (acos a)) (sqrt a))
  (/ (sqrt (acos a)) (sqrt a))
  (sqrt (acos a))
  (/ (sqrt (acos a)) a)
  (/ (/ 1 (cbrt a)) (cbrt a))
  (/ (acos a) (cbrt a))
  (/ 1 (sqrt a))
  (/ (acos a) (sqrt a))
  1
  (/ (acos a) a)
  (/ 1 a)
  (/ a (acos a))
  (/ (acos a) (* (cbrt a) (cbrt a)))
  (/ (acos a) (sqrt a))
  (acos a)
  (/ a (cbrt (acos a)))
  (/ a (sqrt (acos a)))
  (/ a (acos a))
  (- (/ a (acos a)))
  (- (/ a (acos a)))
  (- (/ a (acos a)))
  (/ (acos a) a)
  (/ (acos a) a)
  (/ (acos a) a)
16.164 * * * [progress]: adding candidates to table
16.430 * * [progress]: iteration 4 / 4
16.431 * * * [progress]: picking best candidate
16.438 * * * * [pick]: Picked  #<alt (λ (a) (/ (/ 1 (acos a)) (- (/ 1 a))))>
16.438 * * * [progress]: localizing error
16.448 * * * [progress]: generating rewritten candidates
16.448 * * * * [progress]: [ 1 / 2 ] rewriting at (2)
16.479 * * * * [progress]: [ 2 / 2 ] rewriting at (2 1)
16.534 * * * [progress]: generating series expansions
16.534 * * * * [progress]: [ 1 / 2 ] generating series at (2)
16.534 * [backup-simplify]: Simplify (/ (/ 1 (acos a)) (- (/ 1 a))) into (* -1 (/ a (acos a)))
16.534 * [approximate]: Taking taylor expansion of (* -1 (/ a (acos a))) in (a) around 0
16.534 * [taylor]: Taking taylor expansion of (* -1 (/ a (acos a))) in a
16.534 * [taylor]: Taking taylor expansion of -1 in a
16.534 * [backup-simplify]: Simplify -1 into -1
16.534 * [taylor]: Taking taylor expansion of (/ a (acos a)) in a
16.534 * [taylor]: Taking taylor expansion of a in a
16.534 * [backup-simplify]: Simplify 0 into 0
16.534 * [backup-simplify]: Simplify 1 into 1
16.534 * [taylor]: Taking taylor expansion of (acos a) in a
16.534 * [backup-simplify]: Simplify (acos a) into (acos a)
16.535 * [backup-simplify]: Simplify (/ 1 (acos a)) into (/ 1 (acos a))
16.535 * [taylor]: Taking taylor expansion of (* -1 (/ a (acos a))) in a
16.535 * [taylor]: Taking taylor expansion of -1 in a
16.535 * [backup-simplify]: Simplify -1 into -1
16.535 * [taylor]: Taking taylor expansion of (/ a (acos a)) in a
16.535 * [taylor]: Taking taylor expansion of a in a
16.535 * [backup-simplify]: Simplify 0 into 0
16.535 * [backup-simplify]: Simplify 1 into 1
16.535 * [taylor]: Taking taylor expansion of (acos a) in a
16.535 * [backup-simplify]: Simplify (acos a) into (acos a)
16.535 * [backup-simplify]: Simplify (/ 1 (acos a)) into (/ 1 (acos a))
16.535 * [backup-simplify]: Simplify (* -1 (/ 1 (acos a))) into (/ -1 (acos a))
16.535 * [backup-simplify]: Simplify (/ -1 (acos a)) into (/ -1 (acos a))
16.535 * [backup-simplify]: Simplify (- (/ 0 (acos a)) (+ (* (/ 1 (acos a)) (/ 0 (acos a))))) into 0
16.536 * [backup-simplify]: Simplify (+ (* -1 0) (* 0 (/ 1 (acos a)))) into 0
16.536 * [backup-simplify]: Simplify 0 into 0
16.537 * [backup-simplify]: Simplify (- (/ 0 (acos a)) (+ (* (/ 1 (acos a)) (/ 0 (acos a))) (* 0 (/ 0 (acos a))))) into 0
16.538 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (* 0 (/ 1 (acos a))))) into 0
16.538 * [backup-simplify]: Simplify 0 into 0
16.538 * [backup-simplify]: Simplify (- (/ 0 (acos a)) (+ (* (/ 1 (acos a)) (/ 0 (acos a))) (* 0 (/ 0 (acos a))) (* 0 (/ 0 (acos a))))) into 0
16.539 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 0) (* 0 (/ 1 (acos a)))))) into 0
16.539 * [backup-simplify]: Simplify 0 into 0
16.540 * [backup-simplify]: Simplify (- (/ 0 (acos a)) (+ (* (/ 1 (acos a)) (/ 0 (acos a))) (* 0 (/ 0 (acos a))) (* 0 (/ 0 (acos a))) (* 0 (/ 0 (acos a))))) into 0
16.541 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (/ 1 (acos a))))))) into 0
16.541 * [backup-simplify]: Simplify 0 into 0
16.542 * [backup-simplify]: Simplify (- (/ 0 (acos a)) (+ (* (/ 1 (acos a)) (/ 0 (acos a))) (* 0 (/ 0 (acos a))) (* 0 (/ 0 (acos a))) (* 0 (/ 0 (acos a))) (* 0 (/ 0 (acos a))))) into 0
16.544 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (/ 1 (acos a)))))))) into 0
16.544 * [backup-simplify]: Simplify 0 into 0
16.544 * [backup-simplify]: Simplify (- (/ 0 (acos a)) (+ (* (/ 1 (acos a)) (/ 0 (acos a))) (* 0 (/ 0 (acos a))) (* 0 (/ 0 (acos a))) (* 0 (/ 0 (acos a))) (* 0 (/ 0 (acos a))) (* 0 (/ 0 (acos a))))) into 0
16.547 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (/ 1 (acos a))))))))) into 0
16.547 * [backup-simplify]: Simplify 0 into 0
16.547 * [backup-simplify]: Simplify (* (/ -1 (acos a)) a) into (* -1 (/ a (acos a)))
16.548 * [backup-simplify]: Simplify (/ (/ 1 (acos (/ 1 a))) (- (/ 1 (/ 1 a)))) into (/ -1 (* (acos (/ 1 a)) a))
16.548 * [approximate]: Taking taylor expansion of (/ -1 (* (acos (/ 1 a)) a)) in (a) around 0
16.548 * [taylor]: Taking taylor expansion of (/ -1 (* (acos (/ 1 a)) a)) in a
16.548 * [taylor]: Taking taylor expansion of -1 in a
16.548 * [backup-simplify]: Simplify -1 into -1
16.548 * [taylor]: Taking taylor expansion of (* (acos (/ 1 a)) a) in a
16.548 * [taylor]: Taking taylor expansion of (acos (/ 1 a)) in a
16.548 * [backup-simplify]: Simplify (acos (/ 1 a)) into (acos (/ 1 a))
16.548 * [taylor]: Taking taylor expansion of a in a
16.548 * [backup-simplify]: Simplify 0 into 0
16.548 * [backup-simplify]: Simplify 1 into 1
16.548 * [backup-simplify]: Simplify (* (acos (/ 1 a)) 0) into 0
16.549 * [backup-simplify]: Simplify (+ (* (acos (/ 1 a)) 1) (* 0 0)) into (acos (/ 1 a))
16.549 * [backup-simplify]: Simplify (/ -1 (acos (/ 1 a))) into (/ -1 (acos (/ 1 a)))
16.549 * [taylor]: Taking taylor expansion of (/ -1 (* (acos (/ 1 a)) a)) in a
16.549 * [taylor]: Taking taylor expansion of -1 in a
16.549 * [backup-simplify]: Simplify -1 into -1
16.549 * [taylor]: Taking taylor expansion of (* (acos (/ 1 a)) a) in a
16.549 * [taylor]: Taking taylor expansion of (acos (/ 1 a)) in a
16.549 * [backup-simplify]: Simplify (acos (/ 1 a)) into (acos (/ 1 a))
16.549 * [taylor]: Taking taylor expansion of a in a
16.549 * [backup-simplify]: Simplify 0 into 0
16.549 * [backup-simplify]: Simplify 1 into 1
16.549 * [backup-simplify]: Simplify (* (acos (/ 1 a)) 0) into 0
16.550 * [backup-simplify]: Simplify (+ (* (acos (/ 1 a)) 1) (* 0 0)) into (acos (/ 1 a))
16.550 * [backup-simplify]: Simplify (/ -1 (acos (/ 1 a))) into (/ -1 (acos (/ 1 a)))
16.550 * [backup-simplify]: Simplify (/ -1 (acos (/ 1 a))) into (/ -1 (acos (/ 1 a)))
16.551 * [backup-simplify]: Simplify (+ (* (acos (/ 1 a)) 0) (+ (* 0 1) (* 0 0))) into 0
16.551 * [backup-simplify]: Simplify (- (/ 0 (acos (/ 1 a))) (+ (* (/ -1 (acos (/ 1 a))) (/ 0 (acos (/ 1 a)))))) into 0
16.551 * [backup-simplify]: Simplify 0 into 0
16.552 * [backup-simplify]: Simplify (+ (* (acos (/ 1 a)) 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))) into 0
16.552 * [backup-simplify]: Simplify (- (/ 0 (acos (/ 1 a))) (+ (* (/ -1 (acos (/ 1 a))) (/ 0 (acos (/ 1 a)))) (* 0 (/ 0 (acos (/ 1 a)))))) into 0
16.552 * [backup-simplify]: Simplify 0 into 0
16.553 * [backup-simplify]: Simplify (+ (* (acos (/ 1 a)) 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0))))) into 0
16.554 * [backup-simplify]: Simplify (- (/ 0 (acos (/ 1 a))) (+ (* (/ -1 (acos (/ 1 a))) (/ 0 (acos (/ 1 a)))) (* 0 (/ 0 (acos (/ 1 a)))) (* 0 (/ 0 (acos (/ 1 a)))))) into 0
16.554 * [backup-simplify]: Simplify 0 into 0
16.555 * [backup-simplify]: Simplify (+ (* (acos (/ 1 a)) 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))))) into 0
16.555 * [backup-simplify]: Simplify (- (/ 0 (acos (/ 1 a))) (+ (* (/ -1 (acos (/ 1 a))) (/ 0 (acos (/ 1 a)))) (* 0 (/ 0 (acos (/ 1 a)))) (* 0 (/ 0 (acos (/ 1 a)))) (* 0 (/ 0 (acos (/ 1 a)))))) into 0
16.555 * [backup-simplify]: Simplify 0 into 0
16.556 * [backup-simplify]: Simplify (+ (* (acos (/ 1 a)) 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0))))))) into 0
16.557 * [backup-simplify]: Simplify (- (/ 0 (acos (/ 1 a))) (+ (* (/ -1 (acos (/ 1 a))) (/ 0 (acos (/ 1 a)))) (* 0 (/ 0 (acos (/ 1 a)))) (* 0 (/ 0 (acos (/ 1 a)))) (* 0 (/ 0 (acos (/ 1 a)))) (* 0 (/ 0 (acos (/ 1 a)))))) into 0
16.557 * [backup-simplify]: Simplify 0 into 0
16.558 * [backup-simplify]: Simplify (+ (* (acos (/ 1 a)) 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))))))) into 0
16.559 * [backup-simplify]: Simplify (- (/ 0 (acos (/ 1 a))) (+ (* (/ -1 (acos (/ 1 a))) (/ 0 (acos (/ 1 a)))) (* 0 (/ 0 (acos (/ 1 a)))) (* 0 (/ 0 (acos (/ 1 a)))) (* 0 (/ 0 (acos (/ 1 a)))) (* 0 (/ 0 (acos (/ 1 a)))) (* 0 (/ 0 (acos (/ 1 a)))))) into 0
16.559 * [backup-simplify]: Simplify 0 into 0
16.559 * [backup-simplify]: Simplify (* (/ -1 (acos (/ 1 (/ 1 a)))) (/ 1 (/ 1 a))) into (* -1 (/ a (acos a)))
16.559 * [backup-simplify]: Simplify (/ (/ 1 (acos (/ 1 (- a)))) (- (/ 1 (/ 1 (- a))))) into (/ 1 (* a (acos (/ -1 a))))
16.559 * [approximate]: Taking taylor expansion of (/ 1 (* a (acos (/ -1 a)))) in (a) around 0
16.559 * [taylor]: Taking taylor expansion of (/ 1 (* a (acos (/ -1 a)))) in a
16.559 * [taylor]: Taking taylor expansion of (* a (acos (/ -1 a))) in a
16.559 * [taylor]: Taking taylor expansion of a in a
16.559 * [backup-simplify]: Simplify 0 into 0
16.559 * [backup-simplify]: Simplify 1 into 1
16.559 * [taylor]: Taking taylor expansion of (acos (/ -1 a)) in a
16.560 * [backup-simplify]: Simplify (acos (/ -1 a)) into (acos (/ -1 a))
16.560 * [backup-simplify]: Simplify (* 0 (acos (/ -1 a))) into 0
16.560 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 (acos (/ -1 a)))) into (acos (/ -1 a))
16.560 * [backup-simplify]: Simplify (/ 1 (acos (/ -1 a))) into (/ 1 (acos (/ -1 a)))
16.560 * [taylor]: Taking taylor expansion of (/ 1 (* a (acos (/ -1 a)))) in a
16.560 * [taylor]: Taking taylor expansion of (* a (acos (/ -1 a))) in a
16.560 * [taylor]: Taking taylor expansion of a in a
16.560 * [backup-simplify]: Simplify 0 into 0
16.560 * [backup-simplify]: Simplify 1 into 1
16.560 * [taylor]: Taking taylor expansion of (acos (/ -1 a)) in a
16.560 * [backup-simplify]: Simplify (acos (/ -1 a)) into (acos (/ -1 a))
16.561 * [backup-simplify]: Simplify (* 0 (acos (/ -1 a))) into 0
16.561 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 (acos (/ -1 a)))) into (acos (/ -1 a))
16.561 * [backup-simplify]: Simplify (/ 1 (acos (/ -1 a))) into (/ 1 (acos (/ -1 a)))
16.561 * [backup-simplify]: Simplify (/ 1 (acos (/ -1 a))) into (/ 1 (acos (/ -1 a)))
16.562 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (* 0 (acos (/ -1 a))))) into 0
16.562 * [backup-simplify]: Simplify (- (+ (* (/ 1 (acos (/ -1 a))) (/ 0 (acos (/ -1 a)))))) into 0
16.562 * [backup-simplify]: Simplify 0 into 0
16.563 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (* 0 (acos (/ -1 a)))))) into 0
16.563 * [backup-simplify]: Simplify (- (+ (* (/ 1 (acos (/ -1 a))) (/ 0 (acos (/ -1 a)))) (* 0 (/ 0 (acos (/ -1 a)))))) into 0
16.563 * [backup-simplify]: Simplify 0 into 0
16.564 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 (acos (/ -1 a))))))) into 0
16.564 * [backup-simplify]: Simplify (- (+ (* (/ 1 (acos (/ -1 a))) (/ 0 (acos (/ -1 a)))) (* 0 (/ 0 (acos (/ -1 a)))) (* 0 (/ 0 (acos (/ -1 a)))))) into 0
16.564 * [backup-simplify]: Simplify 0 into 0
16.565 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (acos (/ -1 a)))))))) into 0
16.565 * [backup-simplify]: Simplify (- (+ (* (/ 1 (acos (/ -1 a))) (/ 0 (acos (/ -1 a)))) (* 0 (/ 0 (acos (/ -1 a)))) (* 0 (/ 0 (acos (/ -1 a)))) (* 0 (/ 0 (acos (/ -1 a)))))) into 0
16.565 * [backup-simplify]: Simplify 0 into 0
16.567 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (acos (/ -1 a))))))))) into 0
16.567 * [backup-simplify]: Simplify (- (+ (* (/ 1 (acos (/ -1 a))) (/ 0 (acos (/ -1 a)))) (* 0 (/ 0 (acos (/ -1 a)))) (* 0 (/ 0 (acos (/ -1 a)))) (* 0 (/ 0 (acos (/ -1 a)))) (* 0 (/ 0 (acos (/ -1 a)))))) into 0
16.567 * [backup-simplify]: Simplify 0 into 0
16.569 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (acos (/ -1 a)))))))))) into 0
16.569 * [backup-simplify]: Simplify (- (+ (* (/ 1 (acos (/ -1 a))) (/ 0 (acos (/ -1 a)))) (* 0 (/ 0 (acos (/ -1 a)))) (* 0 (/ 0 (acos (/ -1 a)))) (* 0 (/ 0 (acos (/ -1 a)))) (* 0 (/ 0 (acos (/ -1 a)))) (* 0 (/ 0 (acos (/ -1 a)))))) into 0
16.569 * [backup-simplify]: Simplify 0 into 0
16.569 * [backup-simplify]: Simplify (* (/ 1 (acos (/ -1 (/ 1 (- a))))) (/ 1 (/ 1 (- a)))) into (* -1 (/ a (acos a)))
16.569 * * * * [progress]: [ 2 / 2 ] generating series at (2 1)
16.569 * [backup-simplify]: Simplify (/ 1 (acos a)) into (/ 1 (acos a))
16.569 * [approximate]: Taking taylor expansion of (/ 1 (acos a)) in (a) around 0
16.569 * [taylor]: Taking taylor expansion of (/ 1 (acos a)) in a
16.569 * [taylor]: Taking taylor expansion of (acos a) in a
16.569 * [backup-simplify]: Simplify (acos a) into (acos a)
16.569 * [backup-simplify]: Simplify (/ 1 (acos a)) into (/ 1 (acos a))
16.569 * [taylor]: Taking taylor expansion of (/ 1 (acos a)) in a
16.569 * [taylor]: Taking taylor expansion of (acos a) in a
16.569 * [backup-simplify]: Simplify (acos a) into (acos a)
16.569 * [backup-simplify]: Simplify (/ 1 (acos a)) into (/ 1 (acos a))
16.570 * [backup-simplify]: Simplify (/ 1 (acos a)) into (/ 1 (acos a))
16.570 * [backup-simplify]: Simplify (- (+ (* (/ 1 (acos a)) (/ 0 (acos a))))) into 0
16.570 * [backup-simplify]: Simplify 0 into 0
16.570 * [backup-simplify]: Simplify (- (+ (* (/ 1 (acos a)) (/ 0 (acos a))) (* 0 (/ 0 (acos a))))) into 0
16.570 * [backup-simplify]: Simplify 0 into 0
16.570 * [backup-simplify]: Simplify (- (+ (* (/ 1 (acos a)) (/ 0 (acos a))) (* 0 (/ 0 (acos a))) (* 0 (/ 0 (acos a))))) into 0
16.570 * [backup-simplify]: Simplify 0 into 0
16.570 * [backup-simplify]: Simplify (- (+ (* (/ 1 (acos a)) (/ 0 (acos a))) (* 0 (/ 0 (acos a))) (* 0 (/ 0 (acos a))) (* 0 (/ 0 (acos a))))) into 0
16.570 * [backup-simplify]: Simplify 0 into 0
16.571 * [backup-simplify]: Simplify (- (+ (* (/ 1 (acos a)) (/ 0 (acos a))) (* 0 (/ 0 (acos a))) (* 0 (/ 0 (acos a))) (* 0 (/ 0 (acos a))) (* 0 (/ 0 (acos a))))) into 0
16.571 * [backup-simplify]: Simplify 0 into 0
16.571 * [backup-simplify]: Simplify (- (+ (* (/ 1 (acos a)) (/ 0 (acos a))) (* 0 (/ 0 (acos a))) (* 0 (/ 0 (acos a))) (* 0 (/ 0 (acos a))) (* 0 (/ 0 (acos a))) (* 0 (/ 0 (acos a))))) into 0
16.571 * [backup-simplify]: Simplify 0 into 0
16.571 * [backup-simplify]: Simplify (/ 1 (acos a)) into (/ 1 (acos a))
16.571 * [backup-simplify]: Simplify (/ 1 (acos (/ 1 a))) into (/ 1 (acos (/ 1 a)))
16.571 * [approximate]: Taking taylor expansion of (/ 1 (acos (/ 1 a))) in (a) around 0
16.571 * [taylor]: Taking taylor expansion of (/ 1 (acos (/ 1 a))) in a
16.571 * [taylor]: Taking taylor expansion of (acos (/ 1 a)) in a
16.571 * [backup-simplify]: Simplify (acos (/ 1 a)) into (acos (/ 1 a))
16.571 * [backup-simplify]: Simplify (/ 1 (acos (/ 1 a))) into (/ 1 (acos (/ 1 a)))
16.571 * [taylor]: Taking taylor expansion of (/ 1 (acos (/ 1 a))) in a
16.571 * [taylor]: Taking taylor expansion of (acos (/ 1 a)) in a
16.571 * [backup-simplify]: Simplify (acos (/ 1 a)) into (acos (/ 1 a))
16.571 * [backup-simplify]: Simplify (/ 1 (acos (/ 1 a))) into (/ 1 (acos (/ 1 a)))
16.571 * [backup-simplify]: Simplify (/ 1 (acos (/ 1 a))) into (/ 1 (acos (/ 1 a)))
16.572 * [backup-simplify]: Simplify (- (+ (* (/ 1 (acos (/ 1 a))) (/ 0 (acos (/ 1 a)))))) into 0
16.572 * [backup-simplify]: Simplify 0 into 0
16.572 * [backup-simplify]: Simplify (- (+ (* (/ 1 (acos (/ 1 a))) (/ 0 (acos (/ 1 a)))) (* 0 (/ 0 (acos (/ 1 a)))))) into 0
16.572 * [backup-simplify]: Simplify 0 into 0
16.572 * [backup-simplify]: Simplify (- (+ (* (/ 1 (acos (/ 1 a))) (/ 0 (acos (/ 1 a)))) (* 0 (/ 0 (acos (/ 1 a)))) (* 0 (/ 0 (acos (/ 1 a)))))) into 0
16.572 * [backup-simplify]: Simplify 0 into 0
16.572 * [backup-simplify]: Simplify (- (+ (* (/ 1 (acos (/ 1 a))) (/ 0 (acos (/ 1 a)))) (* 0 (/ 0 (acos (/ 1 a)))) (* 0 (/ 0 (acos (/ 1 a)))) (* 0 (/ 0 (acos (/ 1 a)))))) into 0
16.572 * [backup-simplify]: Simplify 0 into 0
16.573 * [backup-simplify]: Simplify (- (+ (* (/ 1 (acos (/ 1 a))) (/ 0 (acos (/ 1 a)))) (* 0 (/ 0 (acos (/ 1 a)))) (* 0 (/ 0 (acos (/ 1 a)))) (* 0 (/ 0 (acos (/ 1 a)))) (* 0 (/ 0 (acos (/ 1 a)))))) into 0
16.573 * [backup-simplify]: Simplify 0 into 0
16.573 * [backup-simplify]: Simplify (- (+ (* (/ 1 (acos (/ 1 a))) (/ 0 (acos (/ 1 a)))) (* 0 (/ 0 (acos (/ 1 a)))) (* 0 (/ 0 (acos (/ 1 a)))) (* 0 (/ 0 (acos (/ 1 a)))) (* 0 (/ 0 (acos (/ 1 a)))) (* 0 (/ 0 (acos (/ 1 a)))))) into 0
16.573 * [backup-simplify]: Simplify 0 into 0
16.573 * [backup-simplify]: Simplify (/ 1 (acos (/ 1 (/ 1 a)))) into (/ 1 (acos a))
16.573 * [backup-simplify]: Simplify (/ 1 (acos (/ 1 (- a)))) into (/ 1 (acos (/ -1 a)))
16.573 * [approximate]: Taking taylor expansion of (/ 1 (acos (/ -1 a))) in (a) around 0
16.573 * [taylor]: Taking taylor expansion of (/ 1 (acos (/ -1 a))) in a
16.573 * [taylor]: Taking taylor expansion of (acos (/ -1 a)) in a
16.573 * [backup-simplify]: Simplify (acos (/ -1 a)) into (acos (/ -1 a))
16.573 * [backup-simplify]: Simplify (/ 1 (acos (/ -1 a))) into (/ 1 (acos (/ -1 a)))
16.573 * [taylor]: Taking taylor expansion of (/ 1 (acos (/ -1 a))) in a
16.573 * [taylor]: Taking taylor expansion of (acos (/ -1 a)) in a
16.573 * [backup-simplify]: Simplify (acos (/ -1 a)) into (acos (/ -1 a))
16.574 * [backup-simplify]: Simplify (/ 1 (acos (/ -1 a))) into (/ 1 (acos (/ -1 a)))
16.574 * [backup-simplify]: Simplify (/ 1 (acos (/ -1 a))) into (/ 1 (acos (/ -1 a)))
16.574 * [backup-simplify]: Simplify (- (+ (* (/ 1 (acos (/ -1 a))) (/ 0 (acos (/ -1 a)))))) into 0
16.574 * [backup-simplify]: Simplify 0 into 0
16.574 * [backup-simplify]: Simplify (- (+ (* (/ 1 (acos (/ -1 a))) (/ 0 (acos (/ -1 a)))) (* 0 (/ 0 (acos (/ -1 a)))))) into 0
16.574 * [backup-simplify]: Simplify 0 into 0
16.574 * [backup-simplify]: Simplify (- (+ (* (/ 1 (acos (/ -1 a))) (/ 0 (acos (/ -1 a)))) (* 0 (/ 0 (acos (/ -1 a)))) (* 0 (/ 0 (acos (/ -1 a)))))) into 0
16.574 * [backup-simplify]: Simplify 0 into 0
16.574 * [backup-simplify]: Simplify (- (+ (* (/ 1 (acos (/ -1 a))) (/ 0 (acos (/ -1 a)))) (* 0 (/ 0 (acos (/ -1 a)))) (* 0 (/ 0 (acos (/ -1 a)))) (* 0 (/ 0 (acos (/ -1 a)))))) into 0
16.574 * [backup-simplify]: Simplify 0 into 0
16.575 * [backup-simplify]: Simplify (- (+ (* (/ 1 (acos (/ -1 a))) (/ 0 (acos (/ -1 a)))) (* 0 (/ 0 (acos (/ -1 a)))) (* 0 (/ 0 (acos (/ -1 a)))) (* 0 (/ 0 (acos (/ -1 a)))) (* 0 (/ 0 (acos (/ -1 a)))))) into 0
16.575 * [backup-simplify]: Simplify 0 into 0
16.575 * [backup-simplify]: Simplify (- (+ (* (/ 1 (acos (/ -1 a))) (/ 0 (acos (/ -1 a)))) (* 0 (/ 0 (acos (/ -1 a)))) (* 0 (/ 0 (acos (/ -1 a)))) (* 0 (/ 0 (acos (/ -1 a)))) (* 0 (/ 0 (acos (/ -1 a)))) (* 0 (/ 0 (acos (/ -1 a)))))) into 0
16.575 * [backup-simplify]: Simplify 0 into 0
16.575 * [backup-simplify]: Simplify (/ 1 (acos (/ -1 (/ 1 (- a))))) into (/ 1 (acos a))
16.575 * * * [progress]: simplifying candidates
16.586 * [simplify]: Simplifying:
  (expm1 (/ (/ 1 (acos a)) (- (/ 1 a))))
  (log1p (/ (/ 1 (acos a)) (- (/ 1 a))))
  (- (- (log (acos a))) (log (- (/ 1 a))))
  (- (- 0 (log (acos a))) (log (- (/ 1 a))))
  (- (- (log 1) (log (acos a))) (log (- (/ 1 a))))
  (- (log (/ 1 (acos a))) (log (- (/ 1 a))))
  (log (/ (/ 1 (acos a)) (- (/ 1 a))))
  (exp (/ (/ 1 (acos a)) (- (/ 1 a))))
  (/ (/ (* (* 1 1) 1) (* (* (acos a) (acos a)) (acos a))) (* (* (- (/ 1 a)) (- (/ 1 a))) (- (/ 1 a))))
  (/ (* (* (/ 1 (acos a)) (/ 1 (acos a))) (/ 1 (acos a))) (* (* (- (/ 1 a)) (- (/ 1 a))) (- (/ 1 a))))
  (* (cbrt (/ (/ 1 (acos a)) (- (/ 1 a)))) (cbrt (/ (/ 1 (acos a)) (- (/ 1 a)))))
  (cbrt (/ (/ 1 (acos a)) (- (/ 1 a))))
  (* (* (/ (/ 1 (acos a)) (- (/ 1 a))) (/ (/ 1 (acos a)) (- (/ 1 a)))) (/ (/ 1 (acos a)) (- (/ 1 a))))
  (sqrt (/ (/ 1 (acos a)) (- (/ 1 a))))
  (sqrt (/ (/ 1 (acos a)) (- (/ 1 a))))
  (- (/ 1 (acos a)))
  (- (- (/ 1 a)))
  (/ (* (cbrt (/ 1 (acos a))) (cbrt (/ 1 (acos a)))) (* (cbrt (- (/ 1 a))) (cbrt (- (/ 1 a)))))
  (/ (cbrt (/ 1 (acos a))) (cbrt (- (/ 1 a))))
  (/ (* (cbrt (/ 1 (acos a))) (cbrt (/ 1 (acos a)))) (sqrt (- (/ 1 a))))
  (/ (cbrt (/ 1 (acos a))) (sqrt (- (/ 1 a))))
  (/ (* (cbrt (/ 1 (acos a))) (cbrt (/ 1 (acos a)))) 1)
  (/ (cbrt (/ 1 (acos a))) (- (/ 1 a)))
  (/ (* (cbrt (/ 1 (acos a))) (cbrt (/ 1 (acos a)))) -1)
  (/ (cbrt (/ 1 (acos a))) (/ 1 a))
  (/ (* (cbrt (/ 1 (acos a))) (cbrt (/ 1 (acos a)))) (- (* (cbrt (/ 1 a)) (cbrt (/ 1 a)))))
  (/ (cbrt (/ 1 (acos a))) (cbrt (/ 1 a)))
  (/ (* (cbrt (/ 1 (acos a))) (cbrt (/ 1 (acos a)))) (- (sqrt (/ 1 a))))
  (/ (cbrt (/ 1 (acos a))) (sqrt (/ 1 a)))
  (/ (* (cbrt (/ 1 (acos a))) (cbrt (/ 1 (acos a)))) (- (/ (* (cbrt 1) (cbrt 1)) (* (cbrt a) (cbrt a)))))
  (/ (cbrt (/ 1 (acos a))) (/ (cbrt 1) (cbrt a)))
  (/ (* (cbrt (/ 1 (acos a))) (cbrt (/ 1 (acos a)))) (- (/ (* (cbrt 1) (cbrt 1)) (sqrt a))))
  (/ (cbrt (/ 1 (acos a))) (/ (cbrt 1) (sqrt a)))
  (/ (* (cbrt (/ 1 (acos a))) (cbrt (/ 1 (acos a)))) (- (/ (* (cbrt 1) (cbrt 1)) 1)))
  (/ (cbrt (/ 1 (acos a))) (/ (cbrt 1) a))
  (/ (* (cbrt (/ 1 (acos a))) (cbrt (/ 1 (acos a)))) (- (/ (sqrt 1) (* (cbrt a) (cbrt a)))))
  (/ (cbrt (/ 1 (acos a))) (/ (sqrt 1) (cbrt a)))
  (/ (* (cbrt (/ 1 (acos a))) (cbrt (/ 1 (acos a)))) (- (/ (sqrt 1) (sqrt a))))
  (/ (cbrt (/ 1 (acos a))) (/ (sqrt 1) (sqrt a)))
  (/ (* (cbrt (/ 1 (acos a))) (cbrt (/ 1 (acos a)))) (- (/ (sqrt 1) 1)))
  (/ (cbrt (/ 1 (acos a))) (/ (sqrt 1) a))
  (/ (* (cbrt (/ 1 (acos a))) (cbrt (/ 1 (acos a)))) (- (/ 1 (* (cbrt a) (cbrt a)))))
  (/ (cbrt (/ 1 (acos a))) (/ 1 (cbrt a)))
  (/ (* (cbrt (/ 1 (acos a))) (cbrt (/ 1 (acos a)))) (- (/ 1 (sqrt a))))
  (/ (cbrt (/ 1 (acos a))) (/ 1 (sqrt a)))
  (/ (* (cbrt (/ 1 (acos a))) (cbrt (/ 1 (acos a)))) (- (/ 1 1)))
  (/ (cbrt (/ 1 (acos a))) (/ 1 a))
  (/ (* (cbrt (/ 1 (acos a))) (cbrt (/ 1 (acos a)))) (- 1))
  (/ (cbrt (/ 1 (acos a))) (/ 1 a))
  (/ (* (cbrt (/ 1 (acos a))) (cbrt (/ 1 (acos a)))) (- 1))
  (/ (cbrt (/ 1 (acos a))) (/ 1 a))
  (/ (* (cbrt (/ 1 (acos a))) (cbrt (/ 1 (acos a)))) (* (cbrt (/ 1 a)) (cbrt (/ 1 a))))
  (/ (cbrt (/ 1 (acos a))) (- (cbrt (/ 1 a))))
  (/ (* (cbrt (/ 1 (acos a))) (cbrt (/ 1 (acos a)))) (sqrt (/ 1 a)))
  (/ (cbrt (/ 1 (acos a))) (- (sqrt (/ 1 a))))
  (/ (* (cbrt (/ 1 (acos a))) (cbrt (/ 1 (acos a)))) (/ (* (cbrt 1) (cbrt 1)) (* (cbrt a) (cbrt a))))
  (/ (cbrt (/ 1 (acos a))) (- (/ (cbrt 1) (cbrt a))))
  (/ (* (cbrt (/ 1 (acos a))) (cbrt (/ 1 (acos a)))) (/ (* (cbrt 1) (cbrt 1)) (sqrt a)))
  (/ (cbrt (/ 1 (acos a))) (- (/ (cbrt 1) (sqrt a))))
  (/ (* (cbrt (/ 1 (acos a))) (cbrt (/ 1 (acos a)))) (/ (* (cbrt 1) (cbrt 1)) 1))
  (/ (cbrt (/ 1 (acos a))) (- (/ (cbrt 1) a)))
  (/ (* (cbrt (/ 1 (acos a))) (cbrt (/ 1 (acos a)))) (/ (sqrt 1) (* (cbrt a) (cbrt a))))
  (/ (cbrt (/ 1 (acos a))) (- (/ (sqrt 1) (cbrt a))))
  (/ (* (cbrt (/ 1 (acos a))) (cbrt (/ 1 (acos a)))) (/ (sqrt 1) (sqrt a)))
  (/ (cbrt (/ 1 (acos a))) (- (/ (sqrt 1) (sqrt a))))
  (/ (* (cbrt (/ 1 (acos a))) (cbrt (/ 1 (acos a)))) (/ (sqrt 1) 1))
  (/ (cbrt (/ 1 (acos a))) (- (/ (sqrt 1) a)))
  (/ (* (cbrt (/ 1 (acos a))) (cbrt (/ 1 (acos a)))) (/ 1 (* (cbrt a) (cbrt a))))
  (/ (cbrt (/ 1 (acos a))) (- (/ 1 (cbrt a))))
  (/ (* (cbrt (/ 1 (acos a))) (cbrt (/ 1 (acos a)))) (/ 1 (sqrt a)))
  (/ (cbrt (/ 1 (acos a))) (- (/ 1 (sqrt a))))
  (/ (* (cbrt (/ 1 (acos a))) (cbrt (/ 1 (acos a)))) (/ 1 1))
  (/ (cbrt (/ 1 (acos a))) (- (/ 1 a)))
  (/ (* (cbrt (/ 1 (acos a))) (cbrt (/ 1 (acos a)))) 1)
  (/ (cbrt (/ 1 (acos a))) (- (/ 1 a)))
  (/ (* (cbrt (/ 1 (acos a))) (cbrt (/ 1 (acos a)))) 1)
  (/ (cbrt (/ 1 (acos a))) (- (/ 1 a)))
  (/ (sqrt (/ 1 (acos a))) (* (cbrt (- (/ 1 a))) (cbrt (- (/ 1 a)))))
  (/ (sqrt (/ 1 (acos a))) (cbrt (- (/ 1 a))))
  (/ (sqrt (/ 1 (acos a))) (sqrt (- (/ 1 a))))
  (/ (sqrt (/ 1 (acos a))) (sqrt (- (/ 1 a))))
  (/ (sqrt (/ 1 (acos a))) 1)
  (/ (sqrt (/ 1 (acos a))) (- (/ 1 a)))
  (/ (sqrt (/ 1 (acos a))) -1)
  (/ (sqrt (/ 1 (acos a))) (/ 1 a))
  (/ (sqrt (/ 1 (acos a))) (- (* (cbrt (/ 1 a)) (cbrt (/ 1 a)))))
  (/ (sqrt (/ 1 (acos a))) (cbrt (/ 1 a)))
  (/ (sqrt (/ 1 (acos a))) (- (sqrt (/ 1 a))))
  (/ (sqrt (/ 1 (acos a))) (sqrt (/ 1 a)))
  (/ (sqrt (/ 1 (acos a))) (- (/ (* (cbrt 1) (cbrt 1)) (* (cbrt a) (cbrt a)))))
  (/ (sqrt (/ 1 (acos a))) (/ (cbrt 1) (cbrt a)))
  (/ (sqrt (/ 1 (acos a))) (- (/ (* (cbrt 1) (cbrt 1)) (sqrt a))))
  (/ (sqrt (/ 1 (acos a))) (/ (cbrt 1) (sqrt a)))
  (/ (sqrt (/ 1 (acos a))) (- (/ (* (cbrt 1) (cbrt 1)) 1)))
  (/ (sqrt (/ 1 (acos a))) (/ (cbrt 1) a))
  (/ (sqrt (/ 1 (acos a))) (- (/ (sqrt 1) (* (cbrt a) (cbrt a)))))
  (/ (sqrt (/ 1 (acos a))) (/ (sqrt 1) (cbrt a)))
  (/ (sqrt (/ 1 (acos a))) (- (/ (sqrt 1) (sqrt a))))
  (/ (sqrt (/ 1 (acos a))) (/ (sqrt 1) (sqrt a)))
  (/ (sqrt (/ 1 (acos a))) (- (/ (sqrt 1) 1)))
  (/ (sqrt (/ 1 (acos a))) (/ (sqrt 1) a))
  (/ (sqrt (/ 1 (acos a))) (- (/ 1 (* (cbrt a) (cbrt a)))))
  (/ (sqrt (/ 1 (acos a))) (/ 1 (cbrt a)))
  (/ (sqrt (/ 1 (acos a))) (- (/ 1 (sqrt a))))
  (/ (sqrt (/ 1 (acos a))) (/ 1 (sqrt a)))
  (/ (sqrt (/ 1 (acos a))) (- (/ 1 1)))
  (/ (sqrt (/ 1 (acos a))) (/ 1 a))
  (/ (sqrt (/ 1 (acos a))) (- 1))
  (/ (sqrt (/ 1 (acos a))) (/ 1 a))
  (/ (sqrt (/ 1 (acos a))) (- 1))
  (/ (sqrt (/ 1 (acos a))) (/ 1 a))
  (/ (sqrt (/ 1 (acos a))) (* (cbrt (/ 1 a)) (cbrt (/ 1 a))))
  (/ (sqrt (/ 1 (acos a))) (- (cbrt (/ 1 a))))
  (/ (sqrt (/ 1 (acos a))) (sqrt (/ 1 a)))
  (/ (sqrt (/ 1 (acos a))) (- (sqrt (/ 1 a))))
  (/ (sqrt (/ 1 (acos a))) (/ (* (cbrt 1) (cbrt 1)) (* (cbrt a) (cbrt a))))
  (/ (sqrt (/ 1 (acos a))) (- (/ (cbrt 1) (cbrt a))))
  (/ (sqrt (/ 1 (acos a))) (/ (* (cbrt 1) (cbrt 1)) (sqrt a)))
  (/ (sqrt (/ 1 (acos a))) (- (/ (cbrt 1) (sqrt a))))
  (/ (sqrt (/ 1 (acos a))) (/ (* (cbrt 1) (cbrt 1)) 1))
  (/ (sqrt (/ 1 (acos a))) (- (/ (cbrt 1) a)))
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  (/ (/ 1 (acos a)) (- (/ 1 (sqrt a))))
  (/ 1 (/ 1 1))
  (/ (/ 1 (acos a)) (- (/ 1 a)))
  (/ 1 1)
  (/ (/ 1 (acos a)) (- (/ 1 a)))
  (/ 1 1)
  (/ (/ 1 (acos a)) (- (/ 1 a)))
  (/ 1 (* (cbrt (- (/ 1 a))) (cbrt (- (/ 1 a)))))
  (/ (/ 1 (acos a)) (cbrt (- (/ 1 a))))
  (/ 1 (sqrt (- (/ 1 a))))
  (/ (/ 1 (acos a)) (sqrt (- (/ 1 a))))
  (/ 1 1)
  (/ (/ 1 (acos a)) (- (/ 1 a)))
  (/ 1 -1)
  (/ (/ 1 (acos a)) (/ 1 a))
  (/ 1 (- (* (cbrt (/ 1 a)) (cbrt (/ 1 a)))))
  (/ (/ 1 (acos a)) (cbrt (/ 1 a)))
  (/ 1 (- (sqrt (/ 1 a))))
  (/ (/ 1 (acos a)) (sqrt (/ 1 a)))
  (/ 1 (- (/ (* (cbrt 1) (cbrt 1)) (* (cbrt a) (cbrt a)))))
  (/ (/ 1 (acos a)) (/ (cbrt 1) (cbrt a)))
  (/ 1 (- (/ (* (cbrt 1) (cbrt 1)) (sqrt a))))
  (/ (/ 1 (acos a)) (/ (cbrt 1) (sqrt a)))
  (/ 1 (- (/ (* (cbrt 1) (cbrt 1)) 1)))
  (/ (/ 1 (acos a)) (/ (cbrt 1) a))
  (/ 1 (- (/ (sqrt 1) (* (cbrt a) (cbrt a)))))
  (/ (/ 1 (acos a)) (/ (sqrt 1) (cbrt a)))
  (/ 1 (- (/ (sqrt 1) (sqrt a))))
  (/ (/ 1 (acos a)) (/ (sqrt 1) (sqrt a)))
  (/ 1 (- (/ (sqrt 1) 1)))
  (/ (/ 1 (acos a)) (/ (sqrt 1) a))
  (/ 1 (- (/ 1 (* (cbrt a) (cbrt a)))))
  (/ (/ 1 (acos a)) (/ 1 (cbrt a)))
  (/ 1 (- (/ 1 (sqrt a))))
  (/ (/ 1 (acos a)) (/ 1 (sqrt a)))
  (/ 1 (- (/ 1 1)))
  (/ (/ 1 (acos a)) (/ 1 a))
  (/ 1 (- 1))
  (/ (/ 1 (acos a)) (/ 1 a))
  (/ 1 (- 1))
  (/ (/ 1 (acos a)) (/ 1 a))
  (/ 1 (* (cbrt (/ 1 a)) (cbrt (/ 1 a))))
  (/ (/ 1 (acos a)) (- (cbrt (/ 1 a))))
  (/ 1 (sqrt (/ 1 a)))
  (/ (/ 1 (acos a)) (- (sqrt (/ 1 a))))
  (/ 1 (/ (* (cbrt 1) (cbrt 1)) (* (cbrt a) (cbrt a))))
  (/ (/ 1 (acos a)) (- (/ (cbrt 1) (cbrt a))))
  (/ 1 (/ (* (cbrt 1) (cbrt 1)) (sqrt a)))
  (/ (/ 1 (acos a)) (- (/ (cbrt 1) (sqrt a))))
  (/ 1 (/ (* (cbrt 1) (cbrt 1)) 1))
  (/ (/ 1 (acos a)) (- (/ (cbrt 1) a)))
  (/ 1 (/ (sqrt 1) (* (cbrt a) (cbrt a))))
  (/ (/ 1 (acos a)) (- (/ (sqrt 1) (cbrt a))))
  (/ 1 (/ (sqrt 1) (sqrt a)))
  (/ (/ 1 (acos a)) (- (/ (sqrt 1) (sqrt a))))
  (/ 1 (/ (sqrt 1) 1))
  (/ (/ 1 (acos a)) (- (/ (sqrt 1) a)))
  (/ 1 (/ 1 (* (cbrt a) (cbrt a))))
  (/ (/ 1 (acos a)) (- (/ 1 (cbrt a))))
  (/ 1 (/ 1 (sqrt a)))
  (/ (/ 1 (acos a)) (- (/ 1 (sqrt a))))
  (/ 1 (/ 1 1))
  (/ (/ 1 (acos a)) (- (/ 1 a)))
  (/ 1 1)
  (/ (/ 1 (acos a)) (- (/ 1 a)))
  (/ 1 1)
  (/ (/ 1 (acos a)) (- (/ 1 a)))
  (/ 1 (- (/ 1 a)))
  (/ (- (/ 1 a)) (/ 1 (acos a)))
  (/ (/ 1 (acos a)) (* (cbrt (- (/ 1 a))) (cbrt (- (/ 1 a)))))
  (/ (/ 1 (acos a)) (sqrt (- (/ 1 a))))
  (/ (/ 1 (acos a)) 1)
  (/ (/ 1 (acos a)) -1)
  (/ (/ 1 (acos a)) (- (* (cbrt (/ 1 a)) (cbrt (/ 1 a)))))
  (/ (/ 1 (acos a)) (- (sqrt (/ 1 a))))
  (/ (/ 1 (acos a)) (- (/ (* (cbrt 1) (cbrt 1)) (* (cbrt a) (cbrt a)))))
  (/ (/ 1 (acos a)) (- (/ (* (cbrt 1) (cbrt 1)) (sqrt a))))
  (/ (/ 1 (acos a)) (- (/ (* (cbrt 1) (cbrt 1)) 1)))
  (/ (/ 1 (acos a)) (- (/ (sqrt 1) (* (cbrt a) (cbrt a)))))
  (/ (/ 1 (acos a)) (- (/ (sqrt 1) (sqrt a))))
  (/ (/ 1 (acos a)) (- (/ (sqrt 1) 1)))
  (/ (/ 1 (acos a)) (- (/ 1 (* (cbrt a) (cbrt a)))))
  (/ (/ 1 (acos a)) (- (/ 1 (sqrt a))))
  (/ (/ 1 (acos a)) (- (/ 1 1)))
  (/ (/ 1 (acos a)) (- 1))
  (/ (/ 1 (acos a)) (- 1))
  (/ (/ 1 (acos a)) (* (cbrt (/ 1 a)) (cbrt (/ 1 a))))
  (/ (/ 1 (acos a)) (sqrt (/ 1 a)))
  (/ (/ 1 (acos a)) (/ (* (cbrt 1) (cbrt 1)) (* (cbrt a) (cbrt a))))
  (/ (/ 1 (acos a)) (/ (* (cbrt 1) (cbrt 1)) (sqrt a)))
  (/ (/ 1 (acos a)) (/ (* (cbrt 1) (cbrt 1)) 1))
  (/ (/ 1 (acos a)) (/ (sqrt 1) (* (cbrt a) (cbrt a))))
  (/ (/ 1 (acos a)) (/ (sqrt 1) (sqrt a)))
  (/ (/ 1 (acos a)) (/ (sqrt 1) 1))
  (/ (/ 1 (acos a)) (/ 1 (* (cbrt a) (cbrt a))))
  (/ (/ 1 (acos a)) (/ 1 (sqrt a)))
  (/ (/ 1 (acos a)) (/ 1 1))
  (/ (/ 1 (acos a)) 1)
  (/ (/ 1 (acos a)) 1)
  (/ (- (/ 1 a)) (cbrt (/ 1 (acos a))))
  (/ (- (/ 1 a)) (sqrt (/ 1 (acos a))))
  (/ (- (/ 1 a)) (/ (cbrt 1) (cbrt (acos a))))
  (/ (- (/ 1 a)) (/ (cbrt 1) (sqrt (acos a))))
  (/ (- (/ 1 a)) (/ (cbrt 1) (acos a)))
  (/ (- (/ 1 a)) (/ (sqrt 1) (cbrt (acos a))))
  (/ (- (/ 1 a)) (/ (sqrt 1) (sqrt (acos a))))
  (/ (- (/ 1 a)) (/ (sqrt 1) (acos a)))
  (/ (- (/ 1 a)) (/ 1 (cbrt (acos a))))
  (/ (- (/ 1 a)) (/ 1 (sqrt (acos a))))
  (/ (- (/ 1 a)) (/ 1 (acos a)))
  (/ (- (/ 1 a)) (/ 1 (acos a)))
  (/ (- (/ 1 a)) (/ 1 (acos a)))
  (/ (/ 1 (acos a)) (- 1))
  (* (- (/ 1 a)) (acos a))
  (expm1 (/ 1 (acos a)))
  (log1p (/ 1 (acos a)))
  (- 1)
  (- (log (acos a)))
  (- 0 (log (acos a)))
  (- (log 1) (log (acos a)))
  (log (/ 1 (acos a)))
  (exp (/ 1 (acos a)))
  (/ (* (* 1 1) 1) (* (* (acos a) (acos a)) (acos a)))
  (* (cbrt (/ 1 (acos a))) (cbrt (/ 1 (acos a))))
  (cbrt (/ 1 (acos a)))
  (* (* (/ 1 (acos a)) (/ 1 (acos a))) (/ 1 (acos a)))
  (sqrt (/ 1 (acos a)))
  (sqrt (/ 1 (acos a)))
  (- 1)
  (- (acos a))
  (/ (* (cbrt 1) (cbrt 1)) (* (cbrt (acos a)) (cbrt (acos a))))
  (/ (cbrt 1) (cbrt (acos a)))
  (/ (* (cbrt 1) (cbrt 1)) (sqrt (acos a)))
  (/ (cbrt 1) (sqrt (acos a)))
  (/ (* (cbrt 1) (cbrt 1)) 1)
  (/ (cbrt 1) (acos a))
  (/ (sqrt 1) (* (cbrt (acos a)) (cbrt (acos a))))
  (/ (sqrt 1) (cbrt (acos a)))
  (/ (sqrt 1) (sqrt (acos a)))
  (/ (sqrt 1) (sqrt (acos a)))
  (/ (sqrt 1) 1)
  (/ (sqrt 1) (acos a))
  (/ 1 (* (cbrt (acos a)) (cbrt (acos a))))
  (/ 1 (cbrt (acos a)))
  (/ 1 (sqrt (acos a)))
  (/ 1 (sqrt (acos a)))
  (/ 1 1)
  (/ 1 (acos a))
  (/ 1 (acos a))
  (/ (acos a) 1)
  (/ 1 (* (cbrt (acos a)) (cbrt (acos a))))
  (/ 1 (sqrt (acos a)))
  (/ 1 1)
  (/ (acos a) (cbrt 1))
  (/ (acos a) (sqrt 1))
  (/ (acos a) 1)
  (* -1 (/ a (acos a)))
  (* -1 (/ a (acos a)))
  (* -1 (/ a (acos a)))
  (/ 1 (acos a))
  (/ 1 (acos a))
  (/ 1 (acos a))
16.602 * * [simplify]: Extracting # 0 : cost  0
16.604 * * [simplify]: Extracting # 1 : cost  0
16.611 * * [simplify]: Extracting # 2 : cost  0
16.613 * * [simplify]: Extracting # 3 : cost  0
16.615 * * [simplify]: Extracting # 4 : cost  0
16.616 * * [simplify]: Extracting # 5 : cost  0
16.618 * * [simplify]: Extracting # 6 : cost  0
16.620 * * [simplify]: iteration  0 :  713  enodes  (cost  10319 )
17.129 * * [simplify]: Extracting # 0 : cost  0
17.132 * * [simplify]: Extracting # 1 : cost  0
17.133 * * [simplify]: Extracting # 2 : cost  0
17.134 * * [simplify]: Extracting # 3 : cost  0
17.135 * * [simplify]: iteration  1 :  1737  enodes  (cost  7603 )
17.373 * * [simplify]: Extracting # 0 : cost  0
17.374 * * [simplify]: Extracting # 1 : cost  0
17.376 * * [simplify]: Extracting # 2 : cost  0
17.384 * * [simplify]: Extracting # 3 : cost  0
17.387 * * [simplify]: Extracting # 4 : cost  0
17.390 * * [simplify]: iteration  2 :  2640  enodes  (cost  6678 )
18.247 * * [simplify]: Extracting # 0 : cost  0
18.252 * * [simplify]: Extracting # 1 : cost  0
18.260 * * [simplify]: Extracting # 2 : cost  0
18.263 * * [simplify]: Extracting # 3 : cost  0
18.266 * * [simplify]: Extracting # 4 : cost  0
18.270 * * [simplify]: Extracting # 5 : cost  0
18.273 * * [simplify]: iteration done:  5000  enodes  (cost  6309 )
18.276 * [simplify]: Simplified to:
  (expm1 (- (/ a (acos a))))
  (log1p (- (/ a (acos a))))
  (log (- (/ a (acos a))))
  (log (- (/ a (acos a))))
  (log (- (/ a (acos a))))
  (log (- (/ a (acos a))))
  (log (- (/ a (acos a))))
  (exp (- (/ a (acos a))))
  (pow (- (/ a (acos a))) 3)
  (pow (- (/ a (acos a))) 3)
  (* (cbrt (- (/ a (acos a)))) (cbrt (- (/ a (acos a)))))
  (cbrt (- (/ a (acos a))))
  (pow (- (/ a (acos a))) 3)
  (sqrt (- (/ a (acos a))))
  (sqrt (- (/ a (acos a))))
  (/ -1 (acos a))
  (/ 1 a)
  (/ (* (cbrt (/ 1 (acos a))) (cbrt (/ 1 (acos a)))) (* (cbrt (/ -1 a)) (cbrt (/ -1 a))))
  (/ (cbrt (/ 1 (acos a))) (cbrt (/ -1 a)))
  (/ (* (cbrt (/ 1 (acos a))) (cbrt (/ 1 (acos a)))) (sqrt (/ -1 a)))
  (/ (cbrt (/ 1 (acos a))) (sqrt (/ -1 a)))
  (* (cbrt (/ 1 (acos a))) (cbrt (/ 1 (acos a))))
  (/ (cbrt (/ 1 (acos a))) (/ -1 a))
  (/ (* (cbrt (/ 1 (acos a))) (cbrt (/ 1 (acos a)))) -1)
  (* a (cbrt (/ 1 (acos a))))
  (/ (* (cbrt (/ 1 (acos a))) (cbrt (/ 1 (acos a)))) (- (* (cbrt (/ 1 a)) (cbrt (/ 1 a)))))
  (/ (cbrt (/ 1 (acos a))) (cbrt (/ 1 a)))
  (/ (* (cbrt (/ 1 (acos a))) (cbrt (/ 1 (acos a)))) (- (sqrt (/ 1 a))))
  (/ (cbrt (/ 1 (acos a))) (sqrt (/ 1 a)))
  (* (* (cbrt (/ 1 (acos a))) (cbrt (/ 1 (acos a)))) (- (* (cbrt a) (cbrt a))))
  (* (cbrt (/ 1 (acos a))) (cbrt a))
  (* (- (sqrt a)) (* (cbrt (/ 1 (acos a))) (cbrt (/ 1 (acos a)))))
  (* (sqrt a) (cbrt (/ 1 (acos a))))
  (/ (* (cbrt (/ 1 (acos a))) (cbrt (/ 1 (acos a)))) -1)
  (* a (cbrt (/ 1 (acos a))))
  (* (* (cbrt (/ 1 (acos a))) (cbrt (/ 1 (acos a)))) (- (* (cbrt a) (cbrt a))))
  (* (cbrt (/ 1 (acos a))) (cbrt a))
  (* (- (sqrt a)) (* (cbrt (/ 1 (acos a))) (cbrt (/ 1 (acos a)))))
  (* (sqrt a) (cbrt (/ 1 (acos a))))
  (/ (* (cbrt (/ 1 (acos a))) (cbrt (/ 1 (acos a)))) -1)
  (* a (cbrt (/ 1 (acos a))))
  (* (* (cbrt (/ 1 (acos a))) (cbrt (/ 1 (acos a)))) (- (* (cbrt a) (cbrt a))))
  (* (cbrt (/ 1 (acos a))) (cbrt a))
  (* (- (sqrt a)) (* (cbrt (/ 1 (acos a))) (cbrt (/ 1 (acos a)))))
  (* (sqrt a) (cbrt (/ 1 (acos a))))
  (/ (* (cbrt (/ 1 (acos a))) (cbrt (/ 1 (acos a)))) -1)
  (* a (cbrt (/ 1 (acos a))))
  (/ (* (cbrt (/ 1 (acos a))) (cbrt (/ 1 (acos a)))) -1)
  (* a (cbrt (/ 1 (acos a))))
  (/ (* (cbrt (/ 1 (acos a))) (cbrt (/ 1 (acos a)))) -1)
  (* a (cbrt (/ 1 (acos a))))
  (/ (* (cbrt (/ 1 (acos a))) (cbrt (/ 1 (acos a)))) (* (cbrt (/ 1 a)) (cbrt (/ 1 a))))
  (/ (cbrt (/ 1 (acos a))) (- (cbrt (/ 1 a))))
  (/ (* (cbrt (/ 1 (acos a))) (cbrt (/ 1 (acos a)))) (sqrt (/ 1 a)))
  (/ (cbrt (/ 1 (acos a))) (- (sqrt (/ 1 a))))
  (* (* (cbrt (/ 1 (acos a))) (cbrt (/ 1 (acos a)))) (* (cbrt a) (cbrt a)))
  (/ (cbrt (/ 1 (acos a))) (/ -1 (cbrt a)))
  (* (* (cbrt (/ 1 (acos a))) (cbrt (/ 1 (acos a)))) (sqrt a))
  (/ (cbrt (/ 1 (acos a))) (/ -1 (sqrt a)))
  (* (cbrt (/ 1 (acos a))) (cbrt (/ 1 (acos a))))
  (/ (cbrt (/ 1 (acos a))) (/ -1 a))
  (* (* (cbrt (/ 1 (acos a))) (cbrt (/ 1 (acos a)))) (* (cbrt a) (cbrt a)))
  (/ (cbrt (/ 1 (acos a))) (/ -1 (cbrt a)))
  (* (* (cbrt (/ 1 (acos a))) (cbrt (/ 1 (acos a)))) (sqrt a))
  (/ (cbrt (/ 1 (acos a))) (/ -1 (sqrt a)))
  (* (cbrt (/ 1 (acos a))) (cbrt (/ 1 (acos a))))
  (/ (cbrt (/ 1 (acos a))) (/ -1 a))
  (* (* (cbrt (/ 1 (acos a))) (cbrt (/ 1 (acos a)))) (* (cbrt a) (cbrt a)))
  (/ (cbrt (/ 1 (acos a))) (/ -1 (cbrt a)))
  (* (* (cbrt (/ 1 (acos a))) (cbrt (/ 1 (acos a)))) (sqrt a))
  (/ (cbrt (/ 1 (acos a))) (/ -1 (sqrt a)))
  (* (cbrt (/ 1 (acos a))) (cbrt (/ 1 (acos a))))
  (/ (cbrt (/ 1 (acos a))) (/ -1 a))
  (* (cbrt (/ 1 (acos a))) (cbrt (/ 1 (acos a))))
  (/ (cbrt (/ 1 (acos a))) (/ -1 a))
  (* (cbrt (/ 1 (acos a))) (cbrt (/ 1 (acos a))))
  (/ (cbrt (/ 1 (acos a))) (/ -1 a))
  (/ (sqrt (/ 1 (acos a))) (* (cbrt (/ -1 a)) (cbrt (/ -1 a))))
  (/ (sqrt (/ 1 (acos a))) (cbrt (/ -1 a)))
  (/ (sqrt (/ 1 (acos a))) (sqrt (/ -1 a)))
  (/ (sqrt (/ 1 (acos a))) (sqrt (/ -1 a)))
  (sqrt (/ 1 (acos a)))
  (* (- a) (sqrt (/ 1 (acos a))))
  (/ (sqrt (/ 1 (acos a))) -1)
  (* (sqrt (/ 1 (acos a))) a)
  (/ (sqrt (/ 1 (acos a))) (- (* (cbrt (/ 1 a)) (cbrt (/ 1 a)))))
  (/ (sqrt (/ 1 (acos a))) (cbrt (/ 1 a)))
  (/ (sqrt (/ 1 (acos a))) (- (sqrt (/ 1 a))))
  (/ (sqrt (/ 1 (acos a))) (sqrt (/ 1 a)))
  (* (sqrt (/ 1 (acos a))) (- (* (cbrt a) (cbrt a))))
  (* (sqrt (/ 1 (acos a))) (cbrt a))
  (* (- (sqrt a)) (sqrt (/ 1 (acos a))))
  (* (sqrt (/ 1 (acos a))) (sqrt a))
  (/ (sqrt (/ 1 (acos a))) -1)
  (* (sqrt (/ 1 (acos a))) a)
  (* (sqrt (/ 1 (acos a))) (- (* (cbrt a) (cbrt a))))
  (* (sqrt (/ 1 (acos a))) (cbrt a))
  (* (- (sqrt a)) (sqrt (/ 1 (acos a))))
  (* (sqrt (/ 1 (acos a))) (sqrt a))
  (/ (sqrt (/ 1 (acos a))) -1)
  (* (sqrt (/ 1 (acos a))) a)
  (* (sqrt (/ 1 (acos a))) (- (* (cbrt a) (cbrt a))))
  (* (sqrt (/ 1 (acos a))) (cbrt a))
  (* (- (sqrt a)) (sqrt (/ 1 (acos a))))
  (* (sqrt (/ 1 (acos a))) (sqrt a))
  (/ (sqrt (/ 1 (acos a))) -1)
  (* (sqrt (/ 1 (acos a))) a)
  (/ (sqrt (/ 1 (acos a))) -1)
  (* (sqrt (/ 1 (acos a))) a)
  (/ (sqrt (/ 1 (acos a))) -1)
  (* (sqrt (/ 1 (acos a))) a)
  (/ (sqrt (/ 1 (acos a))) (* (cbrt (/ 1 a)) (cbrt (/ 1 a))))
  (/ (sqrt (/ 1 (acos a))) (- (cbrt (/ 1 a))))
  (/ (sqrt (/ 1 (acos a))) (sqrt (/ 1 a)))
  (/ (sqrt (/ 1 (acos a))) (- (sqrt (/ 1 a))))
  (* (sqrt (/ 1 (acos a))) (* (cbrt a) (cbrt a)))
  (/ (sqrt (/ 1 (acos a))) (/ -1 (cbrt a)))
  (* (sqrt (/ 1 (acos a))) (sqrt a))
  (* (- (sqrt a)) (sqrt (/ 1 (acos a))))
  (sqrt (/ 1 (acos a)))
  (* (- a) (sqrt (/ 1 (acos a))))
  (* (sqrt (/ 1 (acos a))) (* (cbrt a) (cbrt a)))
  (/ (sqrt (/ 1 (acos a))) (/ -1 (cbrt a)))
  (* (sqrt (/ 1 (acos a))) (sqrt a))
  (* (- (sqrt a)) (sqrt (/ 1 (acos a))))
  (sqrt (/ 1 (acos a)))
  (* (- a) (sqrt (/ 1 (acos a))))
  (* (sqrt (/ 1 (acos a))) (* (cbrt a) (cbrt a)))
  (/ (sqrt (/ 1 (acos a))) (/ -1 (cbrt a)))
  (* (sqrt (/ 1 (acos a))) (sqrt a))
  (* (- (sqrt a)) (sqrt (/ 1 (acos a))))
  (sqrt (/ 1 (acos a)))
  (* (- a) (sqrt (/ 1 (acos a))))
  (sqrt (/ 1 (acos a)))
  (* (- a) (sqrt (/ 1 (acos a))))
  (sqrt (/ 1 (acos a)))
  (* (- a) (sqrt (/ 1 (acos a))))
  (/ (/ 1 (* (cbrt (acos a)) (cbrt (acos a)))) (* (cbrt (/ -1 a)) (cbrt (/ -1 a))))
  (/ (/ 1 (cbrt (acos a))) (cbrt (/ -1 a)))
  (/ (/ 1 (* (cbrt (acos a)) (cbrt (acos a)))) (sqrt (/ -1 a)))
  (/ (/ 1 (cbrt (acos a))) (sqrt (/ -1 a)))
  (/ 1 (* (cbrt (acos a)) (cbrt (acos a))))
  (/ (- a) (cbrt (acos a)))
  (/ -1 (* (cbrt (acos a)) (cbrt (acos a))))
  (/ a (cbrt (acos a)))
  (/ (/ 1 (* (cbrt (acos a)) (cbrt (acos a)))) (- (* (cbrt (/ 1 a)) (cbrt (/ 1 a)))))
  (/ (/ 1 (cbrt (acos a))) (cbrt (/ 1 a)))
  (/ (/ 1 (* (cbrt (acos a)) (cbrt (acos a)))) (- (sqrt (/ 1 a))))
  (/ (/ 1 (cbrt (acos a))) (sqrt (/ 1 a)))
  (/ (* (cbrt a) (cbrt a)) (- (* (cbrt (acos a)) (cbrt (acos a)))))
  (/ (cbrt a) (cbrt (acos a)))
  (/ (sqrt a) (- (* (cbrt (acos a)) (cbrt (acos a)))))
  (/ (sqrt a) (cbrt (acos a)))
  (/ -1 (* (cbrt (acos a)) (cbrt (acos a))))
  (/ a (cbrt (acos a)))
  (/ (* (cbrt a) (cbrt a)) (- (* (cbrt (acos a)) (cbrt (acos a)))))
  (/ (cbrt a) (cbrt (acos a)))
  (/ (sqrt a) (- (* (cbrt (acos a)) (cbrt (acos a)))))
  (/ (sqrt a) (cbrt (acos a)))
  (/ -1 (* (cbrt (acos a)) (cbrt (acos a))))
  (/ a (cbrt (acos a)))
  (/ (* (cbrt a) (cbrt a)) (- (* (cbrt (acos a)) (cbrt (acos a)))))
  (/ (cbrt a) (cbrt (acos a)))
  (/ (sqrt a) (- (* (cbrt (acos a)) (cbrt (acos a)))))
  (/ (sqrt a) (cbrt (acos a)))
  (/ -1 (* (cbrt (acos a)) (cbrt (acos a))))
  (/ a (cbrt (acos a)))
  (/ -1 (* (cbrt (acos a)) (cbrt (acos a))))
  (/ a (cbrt (acos a)))
  (/ -1 (* (cbrt (acos a)) (cbrt (acos a))))
  (/ a (cbrt (acos a)))
  (/ (/ 1 (* (cbrt (acos a)) (cbrt (acos a)))) (* (cbrt (/ 1 a)) (cbrt (/ 1 a))))
  (/ (/ 1 (cbrt (acos a))) (- (cbrt (/ 1 a))))
  (/ (/ 1 (* (cbrt (acos a)) (cbrt (acos a)))) (sqrt (/ 1 a)))
  (/ (/ 1 (cbrt (acos a))) (- (sqrt (/ 1 a))))
  (/ (* (cbrt a) (cbrt a)) (* (cbrt (acos a)) (cbrt (acos a))))
  (/ (/ (cbrt a) (cbrt (acos a))) -1)
  (/ (/ (sqrt a) (cbrt (acos a))) (cbrt (acos a)))
  (/ (- (sqrt a)) (cbrt (acos a)))
  (/ 1 (* (cbrt (acos a)) (cbrt (acos a))))
  (/ (- a) (cbrt (acos a)))
  (/ (* (cbrt a) (cbrt a)) (* (cbrt (acos a)) (cbrt (acos a))))
  (/ (/ (cbrt a) (cbrt (acos a))) -1)
  (/ (/ (sqrt a) (cbrt (acos a))) (cbrt (acos a)))
  (/ (- (sqrt a)) (cbrt (acos a)))
  (/ 1 (* (cbrt (acos a)) (cbrt (acos a))))
  (/ (- a) (cbrt (acos a)))
  (/ (* (cbrt a) (cbrt a)) (* (cbrt (acos a)) (cbrt (acos a))))
  (/ (/ (cbrt a) (cbrt (acos a))) -1)
  (/ (/ (sqrt a) (cbrt (acos a))) (cbrt (acos a)))
  (/ (- (sqrt a)) (cbrt (acos a)))
  (/ 1 (* (cbrt (acos a)) (cbrt (acos a))))
  (/ (- a) (cbrt (acos a)))
  (/ 1 (* (cbrt (acos a)) (cbrt (acos a))))
  (/ (- a) (cbrt (acos a)))
  (/ 1 (* (cbrt (acos a)) (cbrt (acos a))))
  (/ (- a) (cbrt (acos a)))
  (/ (/ 1 (sqrt (acos a))) (* (cbrt (/ -1 a)) (cbrt (/ -1 a))))
  (/ (/ 1 (sqrt (acos a))) (cbrt (/ -1 a)))
  (/ (/ 1 (sqrt (acos a))) (sqrt (/ -1 a)))
  (/ (/ 1 (sqrt (acos a))) (sqrt (/ -1 a)))
  (/ 1 (sqrt (acos a)))
  (/ (- a) (sqrt (acos a)))
  (/ -1 (sqrt (acos a)))
  (/ a (sqrt (acos a)))
  (/ (/ 1 (sqrt (acos a))) (- (* (cbrt (/ 1 a)) (cbrt (/ 1 a)))))
  (/ (/ 1 (sqrt (acos a))) (cbrt (/ 1 a)))
  (/ (/ 1 (sqrt (acos a))) (- (sqrt (/ 1 a))))
  (/ (/ 1 (sqrt (acos a))) (sqrt (/ 1 a)))
  (/ (* (cbrt a) (cbrt a)) (- (sqrt (acos a))))
  (/ (cbrt a) (sqrt (acos a)))
  (/ (sqrt a) (- (sqrt (acos a))))
  (/ (sqrt a) (sqrt (acos a)))
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  (/ (sqrt a) (acos a))
  -1
  (/ a (acos a))
  -1
  (/ a (acos a))
  -1
  (/ a (acos a))
  (/ 1 (* (cbrt (/ 1 a)) (cbrt (/ 1 a))))
  (/ (/ 1 (acos a)) (- (cbrt (/ 1 a))))
  (/ 1 (sqrt (/ 1 a)))
  (/ (/ 1 (acos a)) (- (sqrt (/ 1 a))))
  (* (cbrt a) (cbrt a))
  (/ (cbrt a) (- (acos a)))
  (sqrt a)
  (/ (sqrt a) (- (acos a)))
  1
  (/ (- a) (acos a))
  (* (cbrt a) (cbrt a))
  (/ (cbrt a) (- (acos a)))
  (sqrt a)
  (/ (sqrt a) (- (acos a)))
  1
  (/ (- a) (acos a))
  (* (cbrt a) (cbrt a))
  (/ (cbrt a) (- (acos a)))
  (sqrt a)
  (/ (sqrt a) (- (acos a)))
  1
  (/ (- a) (acos a))
  1
  (/ (- a) (acos a))
  1
  (/ (- a) (acos a))
  (/ 1 (* (cbrt (/ -1 a)) (cbrt (/ -1 a))))
  (/ (/ 1 (acos a)) (cbrt (/ -1 a)))
  (/ 1 (sqrt (/ -1 a)))
  (/ (/ 1 (acos a)) (sqrt (/ -1 a)))
  1
  (/ (- a) (acos a))
  -1
  (/ a (acos a))
  (/ 1 (- (* (cbrt (/ 1 a)) (cbrt (/ 1 a)))))
  (/ (/ 1 (acos a)) (cbrt (/ 1 a)))
  (/ 1 (- (sqrt (/ 1 a))))
  (/ (/ 1 (acos a)) (sqrt (/ 1 a)))
  (- (* (cbrt a) (cbrt a)))
  (/ (cbrt a) (acos a))
  (- (sqrt a))
  (/ (sqrt a) (acos a))
  -1
  (/ a (acos a))
  (- (* (cbrt a) (cbrt a)))
  (/ (cbrt a) (acos a))
  (- (sqrt a))
  (/ (sqrt a) (acos a))
  -1
  (/ a (acos a))
  (- (* (cbrt a) (cbrt a)))
  (/ (cbrt a) (acos a))
  (- (sqrt a))
  (/ (sqrt a) (acos a))
  -1
  (/ a (acos a))
  -1
  (/ a (acos a))
  -1
  (/ a (acos a))
  (/ 1 (* (cbrt (/ 1 a)) (cbrt (/ 1 a))))
  (/ (/ 1 (acos a)) (- (cbrt (/ 1 a))))
  (/ 1 (sqrt (/ 1 a)))
  (/ (/ 1 (acos a)) (- (sqrt (/ 1 a))))
  (* (cbrt a) (cbrt a))
  (/ (cbrt a) (- (acos a)))
  (sqrt a)
  (/ (sqrt a) (- (acos a)))
  1
  (/ (- a) (acos a))
  (* (cbrt a) (cbrt a))
  (/ (cbrt a) (- (acos a)))
  (sqrt a)
  (/ (sqrt a) (- (acos a)))
  1
  (/ (- a) (acos a))
  (* (cbrt a) (cbrt a))
  (/ (cbrt a) (- (acos a)))
  (sqrt a)
  (/ (sqrt a) (- (acos a)))
  1
  (/ (- a) (acos a))
  1
  (/ (- a) (acos a))
  1
  (/ (- a) (acos a))
  (- a)
  (/ (- (acos a)) a)
  (/ 1 (* (* (cbrt (/ -1 a)) (cbrt (/ -1 a))) (acos a)))
  (/ (/ 1 (acos a)) (sqrt (/ -1 a)))
  (/ 1 (acos a))
  (/ -1 (acos a))
  (/ (/ 1 (acos a)) (- (* (cbrt (/ 1 a)) (cbrt (/ 1 a)))))
  (/ (/ 1 (acos a)) (- (sqrt (/ 1 a))))
  (- (/ (* (cbrt a) (cbrt a)) (acos a)))
  (/ (sqrt a) (- (acos a)))
  (/ -1 (acos a))
  (- (/ (* (cbrt a) (cbrt a)) (acos a)))
  (/ (sqrt a) (- (acos a)))
  (/ -1 (acos a))
  (- (/ (* (cbrt a) (cbrt a)) (acos a)))
  (/ (sqrt a) (- (acos a)))
  (/ -1 (acos a))
  (/ -1 (acos a))
  (/ -1 (acos a))
  (/ (/ 1 (acos a)) (* (cbrt (/ 1 a)) (cbrt (/ 1 a))))
  (/ (/ 1 (acos a)) (sqrt (/ 1 a)))
  (/ (* (cbrt a) (cbrt a)) (acos a))
  (/ (sqrt a) (acos a))
  (/ 1 (acos a))
  (/ (* (cbrt a) (cbrt a)) (acos a))
  (/ (sqrt a) (acos a))
  (/ 1 (acos a))
  (/ (* (cbrt a) (cbrt a)) (acos a))
  (/ (sqrt a) (acos a))
  (/ 1 (acos a))
  (/ 1 (acos a))
  (/ 1 (acos a))
  (/ (/ -1 a) (cbrt (/ 1 (acos a))))
  (/ (/ -1 a) (sqrt (/ 1 (acos a))))
  (/ (- (cbrt (acos a))) a)
  (/ (- (sqrt (acos a))) a)
  (/ (- (acos a)) a)
  (/ (- (cbrt (acos a))) a)
  (/ (- (sqrt (acos a))) a)
  (/ (- (acos a)) a)
  (/ (- (cbrt (acos a))) a)
  (/ (- (sqrt (acos a))) a)
  (/ (- (acos a)) a)
  (/ (- (acos a)) a)
  (/ (- (acos a)) a)
  (/ -1 (acos a))
  (/ (- (acos a)) a)
  (expm1 (/ 1 (acos a)))
  (log1p (/ 1 (acos a)))
  -1
  (- (log (acos a)))
  (- (log (acos a)))
  (- (log (acos a)))
  (- (log (acos a)))
  (exp (/ 1 (acos a)))
  (pow (/ 1 (acos a)) 3)
  (* (cbrt (/ 1 (acos a))) (cbrt (/ 1 (acos a))))
  (cbrt (/ 1 (acos a)))
  (pow (/ 1 (acos a)) 3)
  (sqrt (/ 1 (acos a)))
  (sqrt (/ 1 (acos a)))
  -1
  (- (acos a))
  (/ 1 (* (cbrt (acos a)) (cbrt (acos a))))
  (/ 1 (cbrt (acos a)))
  (/ 1 (sqrt (acos a)))
  (/ 1 (sqrt (acos a)))
  1
  (/ 1 (acos a))
  (/ 1 (* (cbrt (acos a)) (cbrt (acos a))))
  (/ 1 (cbrt (acos a)))
  (/ 1 (sqrt (acos a)))
  (/ 1 (sqrt (acos a)))
  1
  (/ 1 (acos a))
  (/ 1 (* (cbrt (acos a)) (cbrt (acos a))))
  (/ 1 (cbrt (acos a)))
  (/ 1 (sqrt (acos a)))
  (/ 1 (sqrt (acos a)))
  1
  (/ 1 (acos a))
  (/ 1 (acos a))
  (acos a)
  (/ 1 (* (cbrt (acos a)) (cbrt (acos a))))
  (/ 1 (sqrt (acos a)))
  1
  (acos a)
  (acos a)
  (acos a)
  (/ (- a) (acos a))
  (/ (- a) (acos a))
  (/ (- a) (acos a))
  (/ 1 (acos a))
  (/ 1 (acos a))
  (/ 1 (acos a))
18.281 * * * [progress]: adding candidates to table
18.677 * [progress]: [Phase 3 of 3] Extracting.
18.677 * * [regime]: Finding splitpoints for: (#<alt (λ (a) (/ (/ 1 (- (sqrt (/ (acos a) a)))) (sqrt (/ (acos a) a))))> #<alt (λ (a) (* a (cbrt (pow (/ -1 (acos a)) 3))))> #<alt (λ (a) (/ (/ 1 (acos a)) (- (/ 1 a))))> #<alt (λ (a) (/ (expm1 (log1p (/ 1 (acos a)))) (- (/ 1 a))))> #<alt (λ (a) (/ (/ 1 (* (cbrt (- (/ (acos a) a))) (cbrt (- (/ (acos a) a))))) (cbrt (- (/ (acos a) a)))))> #<alt (λ (a) (/ 1 (- (/ (acos a) a))))> #<alt (λ (a) (/ a (- (acos a))))>)
18.678 * * * [regime-changes]: Trying 2 branch expressions: ((/ a (- (acos a))) a)
18.678 * * * * [regimes]: Trying to branch on (/ a (- (acos a))) from (#<alt (λ (a) (/ (/ 1 (- (sqrt (/ (acos a) a)))) (sqrt (/ (acos a) a))))> #<alt (λ (a) (* a (cbrt (pow (/ -1 (acos a)) 3))))> #<alt (λ (a) (/ (/ 1 (acos a)) (- (/ 1 a))))> #<alt (λ (a) (/ (expm1 (log1p (/ 1 (acos a)))) (- (/ 1 a))))> #<alt (λ (a) (/ (/ 1 (* (cbrt (- (/ (acos a) a))) (cbrt (- (/ (acos a) a))))) (cbrt (- (/ (acos a) a)))))> #<alt (λ (a) (/ 1 (- (/ (acos a) a))))> #<alt (λ (a) (/ a (- (acos a))))>)
18.710 * * * * [regimes]: Trying to branch on a from (#<alt (λ (a) (/ (/ 1 (- (sqrt (/ (acos a) a)))) (sqrt (/ (acos a) a))))> #<alt (λ (a) (* a (cbrt (pow (/ -1 (acos a)) 3))))> #<alt (λ (a) (/ (/ 1 (acos a)) (- (/ 1 a))))> #<alt (λ (a) (/ (expm1 (log1p (/ 1 (acos a)))) (- (/ 1 a))))> #<alt (λ (a) (/ (/ 1 (* (cbrt (- (/ (acos a) a))) (cbrt (- (/ (acos a) a))))) (cbrt (- (/ (acos a) a)))))> #<alt (λ (a) (/ 1 (- (/ (acos a) a))))> #<alt (λ (a) (/ a (- (acos a))))>)
18.739 * * * [regime]: Found split indices: #<option (#s(si 6 255))>
18.739 * [simplify]: Simplifying:
  (/ a (- (acos a)))
18.739 * * [simplify]: Extracting # 0 : cost  0
18.739 * * [simplify]: Extracting # 1 : cost  0
18.739 * * [simplify]: Extracting # 2 : cost  0
18.739 * * [simplify]: Extracting # 3 : cost  0
18.739 * * [simplify]: Extracting # 4 : cost  0
18.739 * * [simplify]: iteration  0 :  4  enodes  (cost  5 )
18.740 * * [simplify]: Extracting # 0 : cost  0
18.740 * * [simplify]: iteration done:  4  enodes  (cost  5 )
18.740 * [simplify]: Simplified to:
  (/ a (- (acos a)))
20.059 * [regime-testing]: Baseline error score: 0.2474059257407176
20.059 * [regime-testing]: Oracle error score: 0.012501562695336917
20.060 * [regime-testing]: End program error score: 0.2474059257407176