16.028 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.038 * * * [progress]: [2/2] Setting up program.
0.044 * [progress]: [Phase 2 of 3] Improving.
0.044 * [simplify]: Simplifying:
  (/ a (- (acos a)))
0.044 * * [simplify]: iteration 0: 4 enodes
0.046 * * [simplify]: iteration complete: 4 enodes
0.046 * * [simplify]: Extracting #0: cost 1 inf + 0
0.046 * * [simplify]: Extracting #1: cost 3 inf + 0
0.046 * * [simplify]: Extracting #2: cost 3 inf + 1
0.046 * * [simplify]: Extracting #3: cost 0 inf + 394
0.046 * [simplify]: Simplified to:
  (/ a (- (acos a)))
0.047 * * [progress]: iteration 1 / 4
0.047 * * * [progress]: picking best candidate
0.052 * * * * [pick]: Picked  #<alt (λ (a) (/ a (- (acos a))))>
0.052 * * * [progress]: localizing error
0.065 * * * [progress]: generating rewritten candidates
0.065 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.080 * * * [progress]: generating series expansions
0.080 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.080 * [backup-simplify]: Simplify (/ a (- (acos a))) into (* -1 (/ a (acos a)))
0.080 * [approximate]: Taking taylor expansion of (* -1 (/ a (acos a))) in (a) around 0
0.080 * [taylor]: Taking taylor expansion of (* -1 (/ a (acos a))) in a
0.080 * [taylor]: Taking taylor expansion of -1 in a
0.080 * [backup-simplify]: Simplify -1 into -1
0.080 * [taylor]: Taking taylor expansion of (/ a (acos a)) in a
0.080 * [taylor]: Taking taylor expansion of a in a
0.080 * [backup-simplify]: Simplify 0 into 0
0.080 * [backup-simplify]: Simplify 1 into 1
0.080 * [taylor]: Taking taylor expansion of (acos a) in a
0.080 * [backup-simplify]: Simplify (acos a) into (acos a)
0.081 * [backup-simplify]: Simplify (/ 1 (acos a)) into (/ 1 (acos a))
0.081 * [taylor]: Taking taylor expansion of (* -1 (/ a (acos a))) in a
0.081 * [taylor]: Taking taylor expansion of -1 in a
0.081 * [backup-simplify]: Simplify -1 into -1
0.081 * [taylor]: Taking taylor expansion of (/ a (acos a)) in a
0.081 * [taylor]: Taking taylor expansion of a in a
0.081 * [backup-simplify]: Simplify 0 into 0
0.081 * [backup-simplify]: Simplify 1 into 1
0.081 * [taylor]: Taking taylor expansion of (acos a) in a
0.081 * [backup-simplify]: Simplify (acos a) into (acos a)
0.081 * [backup-simplify]: Simplify (/ 1 (acos a)) into (/ 1 (acos a))
0.081 * [backup-simplify]: Simplify (* -1 (/ 1 (acos a))) into (/ -1 (acos a))
0.081 * [backup-simplify]: Simplify (/ -1 (acos a)) into (/ -1 (acos a))
0.082 * [backup-simplify]: Simplify (- (/ 0 (acos a)) (+ (* (/ 1 (acos a)) (/ 0 (acos a))))) into 0
0.083 * [backup-simplify]: Simplify (+ (* -1 0) (* 0 (/ 1 (acos a)))) into 0
0.083 * [backup-simplify]: Simplify 0 into 0
0.083 * [backup-simplify]: Simplify (- (/ 0 (acos a)) (+ (* (/ 1 (acos a)) (/ 0 (acos a))) (* 0 (/ 0 (acos a))))) into 0
0.084 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (* 0 (/ 1 (acos a))))) into 0
0.084 * [backup-simplify]: Simplify 0 into 0
0.084 * [backup-simplify]: Simplify (- (/ 0 (acos a)) (+ (* (/ 1 (acos a)) (/ 0 (acos a))) (* 0 (/ 0 (acos a))) (* 0 (/ 0 (acos a))))) into 0
0.086 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 0) (* 0 (/ 1 (acos a)))))) into 0
0.086 * [backup-simplify]: Simplify 0 into 0
0.086 * [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
0.088 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (/ 1 (acos a))))))) into 0
0.088 * [backup-simplify]: Simplify 0 into 0
0.088 * [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
0.091 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (/ 1 (acos a)))))))) into 0
0.091 * [backup-simplify]: Simplify 0 into 0
0.091 * [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
0.094 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (/ 1 (acos a))))))))) into 0
0.094 * [backup-simplify]: Simplify 0 into 0
0.094 * [backup-simplify]: Simplify (* (/ -1 (acos a)) a) into (* -1 (/ a (acos a)))
0.094 * [backup-simplify]: Simplify (/ (/ 1 a) (- (acos (/ 1 a)))) into (/ -1 (* a (acos (/ 1 a))))
0.094 * [approximate]: Taking taylor expansion of (/ -1 (* a (acos (/ 1 a)))) in (a) around 0
0.094 * [taylor]: Taking taylor expansion of (/ -1 (* a (acos (/ 1 a)))) in a
0.094 * [taylor]: Taking taylor expansion of -1 in a
0.094 * [backup-simplify]: Simplify -1 into -1
0.094 * [taylor]: Taking taylor expansion of (* a (acos (/ 1 a))) in a
0.094 * [taylor]: Taking taylor expansion of a in a
0.094 * [backup-simplify]: Simplify 0 into 0
0.094 * [backup-simplify]: Simplify 1 into 1
0.094 * [taylor]: Taking taylor expansion of (acos (/ 1 a)) in a
0.094 * [backup-simplify]: Simplify (acos (/ 1 a)) into (acos (/ 1 a))
0.094 * [backup-simplify]: Simplify (* 0 (acos (/ 1 a))) into 0
0.095 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 (acos (/ 1 a)))) into (acos (/ 1 a))
0.095 * [backup-simplify]: Simplify (/ -1 (acos (/ 1 a))) into (/ -1 (acos (/ 1 a)))
0.095 * [taylor]: Taking taylor expansion of (/ -1 (* a (acos (/ 1 a)))) in a
0.095 * [taylor]: Taking taylor expansion of -1 in a
0.095 * [backup-simplify]: Simplify -1 into -1
0.095 * [taylor]: Taking taylor expansion of (* a (acos (/ 1 a))) in a
0.095 * [taylor]: Taking taylor expansion of a in a
0.095 * [backup-simplify]: Simplify 0 into 0
0.095 * [backup-simplify]: Simplify 1 into 1
0.095 * [taylor]: Taking taylor expansion of (acos (/ 1 a)) in a
0.095 * [backup-simplify]: Simplify (acos (/ 1 a)) into (acos (/ 1 a))
0.096 * [backup-simplify]: Simplify (* 0 (acos (/ 1 a))) into 0
0.096 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 (acos (/ 1 a)))) into (acos (/ 1 a))
0.096 * [backup-simplify]: Simplify (/ -1 (acos (/ 1 a))) into (/ -1 (acos (/ 1 a)))
0.096 * [backup-simplify]: Simplify (/ -1 (acos (/ 1 a))) into (/ -1 (acos (/ 1 a)))
0.097 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (* 0 (acos (/ 1 a))))) into 0
0.098 * [backup-simplify]: Simplify (- (/ 0 (acos (/ 1 a))) (+ (* (/ -1 (acos (/ 1 a))) (/ 0 (acos (/ 1 a)))))) into 0
0.098 * [backup-simplify]: Simplify 0 into 0
0.099 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (* 0 (acos (/ 1 a)))))) into 0
0.099 * [backup-simplify]: Simplify (- (/ 0 (acos (/ 1 a))) (+ (* (/ -1 (acos (/ 1 a))) (/ 0 (acos (/ 1 a)))) (* 0 (/ 0 (acos (/ 1 a)))))) into 0
0.099 * [backup-simplify]: Simplify 0 into 0
0.101 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 (acos (/ 1 a))))))) into 0
0.101 * [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
0.101 * [backup-simplify]: Simplify 0 into 0
0.103 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (acos (/ 1 a)))))))) into 0
0.104 * [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
0.104 * [backup-simplify]: Simplify 0 into 0
0.106 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (acos (/ 1 a))))))))) into 0
0.107 * [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
0.107 * [backup-simplify]: Simplify 0 into 0
0.110 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (acos (/ 1 a)))))))))) into 0
0.110 * [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
0.110 * [backup-simplify]: Simplify 0 into 0
0.111 * [backup-simplify]: Simplify (* (/ -1 (acos (/ 1 (/ 1 a)))) (/ 1 (/ 1 a))) into (* -1 (/ a (acos a)))
0.111 * [backup-simplify]: Simplify (/ (/ 1 (- a)) (- (acos (/ 1 (- a))))) into (/ 1 (* a (acos (/ -1 a))))
0.111 * [approximate]: Taking taylor expansion of (/ 1 (* a (acos (/ -1 a)))) in (a) around 0
0.111 * [taylor]: Taking taylor expansion of (/ 1 (* a (acos (/ -1 a)))) in a
0.111 * [taylor]: Taking taylor expansion of (* a (acos (/ -1 a))) in a
0.111 * [taylor]: Taking taylor expansion of a in a
0.111 * [backup-simplify]: Simplify 0 into 0
0.111 * [backup-simplify]: Simplify 1 into 1
0.111 * [taylor]: Taking taylor expansion of (acos (/ -1 a)) in a
0.111 * [backup-simplify]: Simplify (acos (/ -1 a)) into (acos (/ -1 a))
0.111 * [backup-simplify]: Simplify (* 0 (acos (/ -1 a))) into 0
0.112 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 (acos (/ -1 a)))) into (acos (/ -1 a))
0.112 * [backup-simplify]: Simplify (/ 1 (acos (/ -1 a))) into (/ 1 (acos (/ -1 a)))
0.112 * [taylor]: Taking taylor expansion of (/ 1 (* a (acos (/ -1 a)))) in a
0.112 * [taylor]: Taking taylor expansion of (* a (acos (/ -1 a))) in a
0.112 * [taylor]: Taking taylor expansion of a in a
0.112 * [backup-simplify]: Simplify 0 into 0
0.112 * [backup-simplify]: Simplify 1 into 1
0.112 * [taylor]: Taking taylor expansion of (acos (/ -1 a)) in a
0.112 * [backup-simplify]: Simplify (acos (/ -1 a)) into (acos (/ -1 a))
0.112 * [backup-simplify]: Simplify (* 0 (acos (/ -1 a))) into 0
0.113 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 (acos (/ -1 a)))) into (acos (/ -1 a))
0.113 * [backup-simplify]: Simplify (/ 1 (acos (/ -1 a))) into (/ 1 (acos (/ -1 a)))
0.113 * [backup-simplify]: Simplify (/ 1 (acos (/ -1 a))) into (/ 1 (acos (/ -1 a)))
0.114 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (* 0 (acos (/ -1 a))))) into 0
0.114 * [backup-simplify]: Simplify (- (+ (* (/ 1 (acos (/ -1 a))) (/ 0 (acos (/ -1 a)))))) into 0
0.114 * [backup-simplify]: Simplify 0 into 0
0.115 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (* 0 (acos (/ -1 a)))))) into 0
0.116 * [backup-simplify]: Simplify (- (+ (* (/ 1 (acos (/ -1 a))) (/ 0 (acos (/ -1 a)))) (* 0 (/ 0 (acos (/ -1 a)))))) into 0
0.116 * [backup-simplify]: Simplify 0 into 0
0.117 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 (acos (/ -1 a))))))) into 0
0.118 * [backup-simplify]: Simplify (- (+ (* (/ 1 (acos (/ -1 a))) (/ 0 (acos (/ -1 a)))) (* 0 (/ 0 (acos (/ -1 a)))) (* 0 (/ 0 (acos (/ -1 a)))))) into 0
0.118 * [backup-simplify]: Simplify 0 into 0
0.120 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (acos (/ -1 a)))))))) into 0
0.120 * [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
0.120 * [backup-simplify]: Simplify 0 into 0
0.123 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (acos (/ -1 a))))))))) into 0
0.124 * [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
0.124 * [backup-simplify]: Simplify 0 into 0
0.126 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (acos (/ -1 a)))))))))) into 0
0.127 * [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
0.127 * [backup-simplify]: Simplify 0 into 0
0.127 * [backup-simplify]: Simplify (* (/ 1 (acos (/ -1 (/ 1 (- a))))) (/ 1 (/ 1 (- a)))) into (* -1 (/ a (acos a)))
0.128 * * * [progress]: simplifying candidates
0.129 * [simplify]: Simplifying:
  (- (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)))
0.131 * * [simplify]: iteration 0: 94 enodes
0.179 * * [simplify]: iteration 1: 171 enodes
0.250 * * [simplify]: iteration 2: 448 enodes
0.457 * * [simplify]: iteration 3: 1308 enodes
1.223 * * [simplify]: iteration complete: 5000 enodes
1.223 * * [simplify]: Extracting #0: cost 63 inf + 0
1.225 * * [simplify]: Extracting #1: cost 752 inf + 3
1.231 * * [simplify]: Extracting #2: cost 1536 inf + 24560
1.250 * * [simplify]: Extracting #3: cost 1195 inf + 128395
1.328 * * [simplify]: Extracting #4: cost 293 inf + 313076
1.394 * * [simplify]: Extracting #5: cost 16 inf + 384603
1.465 * * [simplify]: Extracting #6: cost 0 inf + 389272
1.540 * [simplify]: Simplified to:
  (log (/ a (- (acos a))))
  (log (/ a (- (acos a))))
  (exp (/ a (- (acos a))))
  (* (/ a (- (acos a))) (* (/ a (- (acos a))) (/ 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 (- (acos a)))) (/ (cbrt 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 (acos a))) (/ (cbrt 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 -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
  (- (/ (acos a) (cbrt a)))
  (- (/ (acos a) (sqrt a)))
  (- (/ (acos a) a))
  (/ (- a) (acos a))
  (/ (- a) (acos a))
  (/ (- a) (acos a))
1.543 * * * [progress]: adding candidates to table
1.746 * * [progress]: iteration 2 / 4
1.746 * * * [progress]: picking best candidate
1.796 * * * * [pick]: Picked  #<alt (λ (a) (/ 1 (/ (- (acos a)) a)))>
1.796 * * * [progress]: localizing error
1.808 * * * [progress]: generating rewritten candidates
1.808 * * * * [progress]: [ 1 / 2 ] rewriting at (2)
1.834 * * * * [progress]: [ 2 / 2 ] rewriting at (2 2)
1.857 * * * [progress]: generating series expansions
1.857 * * * * [progress]: [ 1 / 2 ] generating series at (2)
1.857 * [backup-simplify]: Simplify (/ 1 (/ (- (acos a)) a)) into (* -1 (/ a (acos a)))
1.857 * [approximate]: Taking taylor expansion of (* -1 (/ a (acos a))) in (a) around 0
1.857 * [taylor]: Taking taylor expansion of (* -1 (/ a (acos a))) in a
1.857 * [taylor]: Taking taylor expansion of -1 in a
1.857 * [backup-simplify]: Simplify -1 into -1
1.857 * [taylor]: Taking taylor expansion of (/ a (acos a)) in a
1.857 * [taylor]: Taking taylor expansion of a in a
1.857 * [backup-simplify]: Simplify 0 into 0
1.857 * [backup-simplify]: Simplify 1 into 1
1.857 * [taylor]: Taking taylor expansion of (acos a) in a
1.857 * [backup-simplify]: Simplify (acos a) into (acos a)
1.857 * [backup-simplify]: Simplify (/ 1 (acos a)) into (/ 1 (acos a))
1.857 * [taylor]: Taking taylor expansion of (* -1 (/ a (acos a))) in a
1.857 * [taylor]: Taking taylor expansion of -1 in a
1.858 * [backup-simplify]: Simplify -1 into -1
1.858 * [taylor]: Taking taylor expansion of (/ a (acos a)) in a
1.858 * [taylor]: Taking taylor expansion of a in a
1.858 * [backup-simplify]: Simplify 0 into 0
1.858 * [backup-simplify]: Simplify 1 into 1
1.858 * [taylor]: Taking taylor expansion of (acos a) in a
1.858 * [backup-simplify]: Simplify (acos a) into (acos a)
1.858 * [backup-simplify]: Simplify (/ 1 (acos a)) into (/ 1 (acos a))
1.858 * [backup-simplify]: Simplify (* -1 (/ 1 (acos a))) into (/ -1 (acos a))
1.858 * [backup-simplify]: Simplify (/ -1 (acos a)) into (/ -1 (acos a))
1.858 * [backup-simplify]: Simplify (- (/ 0 (acos a)) (+ (* (/ 1 (acos a)) (/ 0 (acos a))))) into 0
1.858 * [backup-simplify]: Simplify (+ (* -1 0) (* 0 (/ 1 (acos a)))) into 0
1.859 * [backup-simplify]: Simplify 0 into 0
1.859 * [backup-simplify]: Simplify (- (/ 0 (acos a)) (+ (* (/ 1 (acos a)) (/ 0 (acos a))) (* 0 (/ 0 (acos a))))) into 0
1.859 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (* 0 (/ 1 (acos a))))) into 0
1.859 * [backup-simplify]: Simplify 0 into 0
1.860 * [backup-simplify]: Simplify (- (/ 0 (acos a)) (+ (* (/ 1 (acos a)) (/ 0 (acos a))) (* 0 (/ 0 (acos a))) (* 0 (/ 0 (acos a))))) into 0
1.860 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 0) (* 0 (/ 1 (acos a)))))) into 0
1.860 * [backup-simplify]: Simplify 0 into 0
1.861 * [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
1.862 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (/ 1 (acos a))))))) into 0
1.862 * [backup-simplify]: Simplify 0 into 0
1.862 * [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
1.863 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (/ 1 (acos a)))))))) into 0
1.863 * [backup-simplify]: Simplify 0 into 0
1.863 * [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
1.865 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (/ 1 (acos a))))))))) into 0
1.865 * [backup-simplify]: Simplify 0 into 0
1.865 * [backup-simplify]: Simplify (* (/ -1 (acos a)) a) into (* -1 (/ a (acos a)))
1.865 * [backup-simplify]: Simplify (/ 1 (/ (- (acos (/ 1 a))) (/ 1 a))) into (/ -1 (* a (acos (/ 1 a))))
1.865 * [approximate]: Taking taylor expansion of (/ -1 (* a (acos (/ 1 a)))) in (a) around 0
1.865 * [taylor]: Taking taylor expansion of (/ -1 (* a (acos (/ 1 a)))) in a
1.865 * [taylor]: Taking taylor expansion of -1 in a
1.865 * [backup-simplify]: Simplify -1 into -1
1.865 * [taylor]: Taking taylor expansion of (* a (acos (/ 1 a))) in a
1.865 * [taylor]: Taking taylor expansion of a in a
1.865 * [backup-simplify]: Simplify 0 into 0
1.865 * [backup-simplify]: Simplify 1 into 1
1.865 * [taylor]: Taking taylor expansion of (acos (/ 1 a)) in a
1.865 * [backup-simplify]: Simplify (acos (/ 1 a)) into (acos (/ 1 a))
1.865 * [backup-simplify]: Simplify (* 0 (acos (/ 1 a))) into 0
1.866 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 (acos (/ 1 a)))) into (acos (/ 1 a))
1.866 * [backup-simplify]: Simplify (/ -1 (acos (/ 1 a))) into (/ -1 (acos (/ 1 a)))
1.866 * [taylor]: Taking taylor expansion of (/ -1 (* a (acos (/ 1 a)))) in a
1.866 * [taylor]: Taking taylor expansion of -1 in a
1.866 * [backup-simplify]: Simplify -1 into -1
1.866 * [taylor]: Taking taylor expansion of (* a (acos (/ 1 a))) in a
1.866 * [taylor]: Taking taylor expansion of a in a
1.866 * [backup-simplify]: Simplify 0 into 0
1.866 * [backup-simplify]: Simplify 1 into 1
1.866 * [taylor]: Taking taylor expansion of (acos (/ 1 a)) in a
1.866 * [backup-simplify]: Simplify (acos (/ 1 a)) into (acos (/ 1 a))
1.866 * [backup-simplify]: Simplify (* 0 (acos (/ 1 a))) into 0
1.866 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 (acos (/ 1 a)))) into (acos (/ 1 a))
1.866 * [backup-simplify]: Simplify (/ -1 (acos (/ 1 a))) into (/ -1 (acos (/ 1 a)))
1.866 * [backup-simplify]: Simplify (/ -1 (acos (/ 1 a))) into (/ -1 (acos (/ 1 a)))
1.867 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (* 0 (acos (/ 1 a))))) into 0
1.867 * [backup-simplify]: Simplify (- (/ 0 (acos (/ 1 a))) (+ (* (/ -1 (acos (/ 1 a))) (/ 0 (acos (/ 1 a)))))) into 0
1.867 * [backup-simplify]: Simplify 0 into 0
1.868 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (* 0 (acos (/ 1 a)))))) into 0
1.868 * [backup-simplify]: Simplify (- (/ 0 (acos (/ 1 a))) (+ (* (/ -1 (acos (/ 1 a))) (/ 0 (acos (/ 1 a)))) (* 0 (/ 0 (acos (/ 1 a)))))) into 0
1.868 * [backup-simplify]: Simplify 0 into 0
1.869 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 (acos (/ 1 a))))))) into 0
1.870 * [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
1.870 * [backup-simplify]: Simplify 0 into 0
1.871 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (acos (/ 1 a)))))))) into 0
1.871 * [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
1.871 * [backup-simplify]: Simplify 0 into 0
1.873 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (acos (/ 1 a))))))))) into 0
1.873 * [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
1.873 * [backup-simplify]: Simplify 0 into 0
1.875 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (acos (/ 1 a)))))))))) into 0
1.875 * [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
1.875 * [backup-simplify]: Simplify 0 into 0
1.875 * [backup-simplify]: Simplify (* (/ -1 (acos (/ 1 (/ 1 a)))) (/ 1 (/ 1 a))) into (* -1 (/ a (acos a)))
1.875 * [backup-simplify]: Simplify (/ 1 (/ (- (acos (/ 1 (- a)))) (/ 1 (- a)))) into (/ 1 (* a (acos (/ -1 a))))
1.875 * [approximate]: Taking taylor expansion of (/ 1 (* a (acos (/ -1 a)))) in (a) around 0
1.875 * [taylor]: Taking taylor expansion of (/ 1 (* a (acos (/ -1 a)))) in a
1.875 * [taylor]: Taking taylor expansion of (* a (acos (/ -1 a))) in a
1.875 * [taylor]: Taking taylor expansion of a in a
1.875 * [backup-simplify]: Simplify 0 into 0
1.875 * [backup-simplify]: Simplify 1 into 1
1.876 * [taylor]: Taking taylor expansion of (acos (/ -1 a)) in a
1.876 * [backup-simplify]: Simplify (acos (/ -1 a)) into (acos (/ -1 a))
1.876 * [backup-simplify]: Simplify (* 0 (acos (/ -1 a))) into 0
1.876 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 (acos (/ -1 a)))) into (acos (/ -1 a))
1.876 * [backup-simplify]: Simplify (/ 1 (acos (/ -1 a))) into (/ 1 (acos (/ -1 a)))
1.876 * [taylor]: Taking taylor expansion of (/ 1 (* a (acos (/ -1 a)))) in a
1.876 * [taylor]: Taking taylor expansion of (* a (acos (/ -1 a))) in a
1.876 * [taylor]: Taking taylor expansion of a in a
1.876 * [backup-simplify]: Simplify 0 into 0
1.876 * [backup-simplify]: Simplify 1 into 1
1.876 * [taylor]: Taking taylor expansion of (acos (/ -1 a)) in a
1.876 * [backup-simplify]: Simplify (acos (/ -1 a)) into (acos (/ -1 a))
1.876 * [backup-simplify]: Simplify (* 0 (acos (/ -1 a))) into 0
1.876 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 (acos (/ -1 a)))) into (acos (/ -1 a))
1.877 * [backup-simplify]: Simplify (/ 1 (acos (/ -1 a))) into (/ 1 (acos (/ -1 a)))
1.877 * [backup-simplify]: Simplify (/ 1 (acos (/ -1 a))) into (/ 1 (acos (/ -1 a)))
1.877 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (* 0 (acos (/ -1 a))))) into 0
1.877 * [backup-simplify]: Simplify (- (+ (* (/ 1 (acos (/ -1 a))) (/ 0 (acos (/ -1 a)))))) into 0
1.877 * [backup-simplify]: Simplify 0 into 0
1.878 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (* 0 (acos (/ -1 a)))))) into 0
1.878 * [backup-simplify]: Simplify (- (+ (* (/ 1 (acos (/ -1 a))) (/ 0 (acos (/ -1 a)))) (* 0 (/ 0 (acos (/ -1 a)))))) into 0
1.878 * [backup-simplify]: Simplify 0 into 0
1.879 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 (acos (/ -1 a))))))) into 0
1.879 * [backup-simplify]: Simplify (- (+ (* (/ 1 (acos (/ -1 a))) (/ 0 (acos (/ -1 a)))) (* 0 (/ 0 (acos (/ -1 a)))) (* 0 (/ 0 (acos (/ -1 a)))))) into 0
1.880 * [backup-simplify]: Simplify 0 into 0
1.881 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (acos (/ -1 a)))))))) into 0
1.881 * [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
1.881 * [backup-simplify]: Simplify 0 into 0
1.886 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (acos (/ -1 a))))))))) into 0
1.887 * [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
1.887 * [backup-simplify]: Simplify 0 into 0
1.888 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (acos (/ -1 a)))))))))) into 0
1.889 * [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
1.889 * [backup-simplify]: Simplify 0 into 0
1.889 * [backup-simplify]: Simplify (* (/ 1 (acos (/ -1 (/ 1 (- a))))) (/ 1 (/ 1 (- a)))) into (* -1 (/ a (acos a)))
1.889 * * * * [progress]: [ 2 / 2 ] generating series at (2 2)
1.889 * [backup-simplify]: Simplify (/ (- (acos a)) a) into (* -1 (/ (acos a) a))
1.889 * [approximate]: Taking taylor expansion of (* -1 (/ (acos a) a)) in (a) around 0
1.889 * [taylor]: Taking taylor expansion of (* -1 (/ (acos a) a)) in a
1.889 * [taylor]: Taking taylor expansion of -1 in a
1.889 * [backup-simplify]: Simplify -1 into -1
1.889 * [taylor]: Taking taylor expansion of (/ (acos a) a) in a
1.889 * [taylor]: Taking taylor expansion of (acos a) in a
1.889 * [backup-simplify]: Simplify (acos a) into (acos a)
1.889 * [taylor]: Taking taylor expansion of a in a
1.889 * [backup-simplify]: Simplify 0 into 0
1.889 * [backup-simplify]: Simplify 1 into 1
1.890 * [backup-simplify]: Simplify (/ (acos a) 1) into (acos a)
1.890 * [taylor]: Taking taylor expansion of (* -1 (/ (acos a) a)) in a
1.890 * [taylor]: Taking taylor expansion of -1 in a
1.890 * [backup-simplify]: Simplify -1 into -1
1.890 * [taylor]: Taking taylor expansion of (/ (acos a) a) in a
1.890 * [taylor]: Taking taylor expansion of (acos a) in a
1.890 * [backup-simplify]: Simplify (acos a) into (acos a)
1.890 * [taylor]: Taking taylor expansion of a in a
1.890 * [backup-simplify]: Simplify 0 into 0
1.890 * [backup-simplify]: Simplify 1 into 1
1.890 * [backup-simplify]: Simplify (/ (acos a) 1) into (acos a)
1.890 * [backup-simplify]: Simplify (* -1 (acos a)) into (* -1 (acos a))
1.890 * [backup-simplify]: Simplify (* -1 (acos a)) into (* -1 (acos a))
1.890 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* (acos a) (/ 0 1)))) into 0
1.891 * [backup-simplify]: Simplify (+ (* -1 0) (* 0 (acos a))) into 0
1.891 * [backup-simplify]: Simplify 0 into 0
1.892 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* (acos a) (/ 0 1)) (* 0 (/ 0 1)))) into 0
1.892 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (* 0 (acos a)))) into 0
1.892 * [backup-simplify]: Simplify 0 into 0
1.893 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* (acos a) (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
1.894 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 0) (* 0 (acos a))))) into 0
1.894 * [backup-simplify]: Simplify 0 into 0
1.896 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* (acos a) (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
1.898 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (acos a)))))) into 0
1.898 * [backup-simplify]: Simplify 0 into 0
1.900 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* (acos a) (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
1.902 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (acos a))))))) into 0
1.902 * [backup-simplify]: Simplify 0 into 0
1.905 * [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
1.908 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (acos a)))))))) into 0
1.908 * [backup-simplify]: Simplify 0 into 0
1.908 * [backup-simplify]: Simplify (* (* -1 (acos a)) (/ 1 a)) into (* -1 (/ (acos a) a))
1.908 * [backup-simplify]: Simplify (/ (- (acos (/ 1 a))) (/ 1 a)) into (* -1 (* a (acos (/ 1 a))))
1.908 * [approximate]: Taking taylor expansion of (* -1 (* a (acos (/ 1 a)))) in (a) around 0
1.908 * [taylor]: Taking taylor expansion of (* -1 (* a (acos (/ 1 a)))) in a
1.908 * [taylor]: Taking taylor expansion of -1 in a
1.908 * [backup-simplify]: Simplify -1 into -1
1.908 * [taylor]: Taking taylor expansion of (* a (acos (/ 1 a))) in a
1.908 * [taylor]: Taking taylor expansion of a in a
1.908 * [backup-simplify]: Simplify 0 into 0
1.908 * [backup-simplify]: Simplify 1 into 1
1.908 * [taylor]: Taking taylor expansion of (acos (/ 1 a)) in a
1.908 * [backup-simplify]: Simplify (acos (/ 1 a)) into (acos (/ 1 a))
1.908 * [taylor]: Taking taylor expansion of (* -1 (* a (acos (/ 1 a)))) in a
1.908 * [taylor]: Taking taylor expansion of -1 in a
1.908 * [backup-simplify]: Simplify -1 into -1
1.908 * [taylor]: Taking taylor expansion of (* a (acos (/ 1 a))) in a
1.908 * [taylor]: Taking taylor expansion of a in a
1.908 * [backup-simplify]: Simplify 0 into 0
1.908 * [backup-simplify]: Simplify 1 into 1
1.909 * [taylor]: Taking taylor expansion of (acos (/ 1 a)) in a
1.909 * [backup-simplify]: Simplify (acos (/ 1 a)) into (acos (/ 1 a))
1.909 * [backup-simplify]: Simplify (* 0 (acos (/ 1 a))) into 0
1.909 * [backup-simplify]: Simplify (* -1 0) into 0
1.909 * [backup-simplify]: Simplify 0 into 0
1.910 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 (acos (/ 1 a)))) into (acos (/ 1 a))
1.910 * [backup-simplify]: Simplify (+ (* -1 (acos (/ 1 a))) (* 0 0)) into (- (acos (/ 1 a)))
1.910 * [backup-simplify]: Simplify (- (acos (/ 1 a))) into (- (acos (/ 1 a)))
1.911 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (* 0 (acos (/ 1 a))))) into 0
1.911 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 (acos (/ 1 a))) (* 0 0))) into 0
1.911 * [backup-simplify]: Simplify 0 into 0
1.912 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (* 0 (acos (/ 1 a)))))) into 0
1.913 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 (acos (/ 1 a))) (* 0 0)))) into 0
1.913 * [backup-simplify]: Simplify 0 into 0
1.914 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 (acos (/ 1 a))))))) into 0
1.915 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 (acos (/ 1 a))) (* 0 0))))) into 0
1.915 * [backup-simplify]: Simplify 0 into 0
1.916 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (acos (/ 1 a)))))))) into 0
1.917 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 (acos (/ 1 a))) (* 0 0)))))) into 0
1.917 * [backup-simplify]: Simplify 0 into 0
1.918 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (acos (/ 1 a))))))))) into 0
1.920 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 (acos (/ 1 a))) (* 0 0))))))) into 0
1.920 * [backup-simplify]: Simplify 0 into 0
1.922 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (acos (/ 1 a)))))))))) into 0
1.923 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 (acos (/ 1 a))) (* 0 0)))))))) into 0
1.923 * [backup-simplify]: Simplify 0 into 0
1.923 * [backup-simplify]: Simplify (* (- (acos (/ 1 (/ 1 a)))) (/ 1 a)) into (* -1 (/ (acos a) a))
1.923 * [backup-simplify]: Simplify (/ (- (acos (/ 1 (- a)))) (/ 1 (- a))) into (* a (acos (/ -1 a)))
1.923 * [approximate]: Taking taylor expansion of (* a (acos (/ -1 a))) in (a) around 0
1.923 * [taylor]: Taking taylor expansion of (* a (acos (/ -1 a))) in a
1.923 * [taylor]: Taking taylor expansion of a in a
1.923 * [backup-simplify]: Simplify 0 into 0
1.923 * [backup-simplify]: Simplify 1 into 1
1.923 * [taylor]: Taking taylor expansion of (acos (/ -1 a)) in a
1.924 * [backup-simplify]: Simplify (acos (/ -1 a)) into (acos (/ -1 a))
1.924 * [taylor]: Taking taylor expansion of (* a (acos (/ -1 a))) in a
1.924 * [taylor]: Taking taylor expansion of a in a
1.924 * [backup-simplify]: Simplify 0 into 0
1.924 * [backup-simplify]: Simplify 1 into 1
1.924 * [taylor]: Taking taylor expansion of (acos (/ -1 a)) in a
1.924 * [backup-simplify]: Simplify (acos (/ -1 a)) into (acos (/ -1 a))
1.924 * [backup-simplify]: Simplify (* 0 (acos (/ -1 a))) into 0
1.924 * [backup-simplify]: Simplify 0 into 0
1.924 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 (acos (/ -1 a)))) into (acos (/ -1 a))
1.924 * [backup-simplify]: Simplify (acos (/ -1 a)) into (acos (/ -1 a))
1.925 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (* 0 (acos (/ -1 a))))) into 0
1.925 * [backup-simplify]: Simplify 0 into 0
1.926 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (* 0 (acos (/ -1 a)))))) into 0
1.926 * [backup-simplify]: Simplify 0 into 0
1.927 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 (acos (/ -1 a))))))) into 0
1.927 * [backup-simplify]: Simplify 0 into 0
1.928 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (acos (/ -1 a)))))))) into 0
1.928 * [backup-simplify]: Simplify 0 into 0
1.929 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (acos (/ -1 a))))))))) into 0
1.929 * [backup-simplify]: Simplify 0 into 0
1.931 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (acos (/ -1 a)))))))))) into 0
1.931 * [backup-simplify]: Simplify 0 into 0
1.931 * [backup-simplify]: Simplify (* (acos (/ -1 (/ 1 (- a)))) (/ 1 (- a))) into (* -1 (/ (acos a) a))
1.931 * * * [progress]: simplifying candidates
1.934 * [simplify]: Simplifying:
  (- 1)
  (- (- (log (- (acos a))) (log a)))
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  (sqrt (/ 1 (/ (- (acos a)) a)))
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  (- 1)
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  (/ (* (cbrt 1) (cbrt 1)) (* (cbrt (/ (- (acos a)) a)) (cbrt (/ (- (acos a)) a))))
  (/ (cbrt 1) (cbrt (/ (- (acos a)) a)))
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  (/ (cbrt 1) (sqrt (/ (- (acos a)) a)))
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  (/ (cbrt 1) (/ (cbrt (- (acos a))) (sqrt a)))
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  (/ (cbrt 1) (/ (sqrt (acos a)) (sqrt a)))
  (/ (* (cbrt 1) (cbrt 1)) (/ (- (sqrt (acos a))) 1))
  (/ (cbrt 1) (/ (sqrt (acos a)) a))
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  (/ (* (cbrt 1) (cbrt 1)) (/ (sqrt (acos a)) 1))
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  (/ (cbrt 1) (/ (- (acos a)) a))
  (/ (* (cbrt 1) (cbrt 1)) (- (acos a)))
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  (/ (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)))
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  (/ (sqrt 1) (/ (sqrt (acos a)) (cbrt a)))
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  (/ (sqrt 1) (/ (sqrt (acos a)) (sqrt a)))
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  (/ (- (* (cbrt (acos a)) (cbrt (acos a)))) 1)
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  (/ (- (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)
  (/ (* (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) 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)))
  (/ 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)))
  (* -1 (/ a (acos a)))
  (* -1 (/ a (acos a)))
  (* -1 (/ a (acos a)))
  (* -1 (/ (acos a) a))
  (* -1 (/ (acos a) a))
  (* -1 (/ (acos a) a))
1.937 * * [simplify]: iteration 0: 288 enodes
2.144 * * [simplify]: iteration 1: 768 enodes
2.426 * * [simplify]: iteration 2: 1548 enodes
3.393 * * [simplify]: iteration 3: 3823 enodes
4.205 * * [simplify]: iteration complete: 5027 enodes
4.205 * * [simplify]: Extracting #0: cost 114 inf + 0
4.207 * * [simplify]: Extracting #1: cost 701 inf + 45
4.213 * * [simplify]: Extracting #2: cost 1088 inf + 27652
4.241 * * [simplify]: Extracting #3: cost 429 inf + 201100
4.300 * * [simplify]: Extracting #4: cost 6 inf + 323235
4.368 * * [simplify]: Extracting #5: cost 0 inf + 325146
4.414 * [simplify]: Simplified to:
  -1
  (log (/ a (- (acos a))))
  (log (/ 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))))
  (* (/ a (- (acos a))) (* (/ a (- (acos a))) (/ a (- (acos a)))))
  (* (/ a (- (acos a))) (* (/ a (- (acos a))) (/ 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))))
  -1
  (/ (acos a) a)
  (* (/ 1 (cbrt (- (/ (acos a) a)))) (/ 1 (cbrt (- (/ (acos a) a)))))
  (/ 1 (cbrt (- (/ (acos a) a))))
  (/ 1 (sqrt (- (/ (acos a) a))))
  (/ 1 (sqrt (- (/ (acos a) a))))
  (* (/ (/ (cbrt a) (cbrt (- (acos a)))) (cbrt (- (acos a)))) (cbrt 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) (sqrt (- (acos a)))) (cbrt a))
  (/ (cbrt a) (sqrt (- (acos a))))
  (/ (* 1 (sqrt a)) (sqrt (- (acos a))))
  (/ (* 1 (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)))
  (- (* (cbrt a) (cbrt a)))
  (/ (cbrt a) (acos a))
  (- (sqrt a))
  (/ (sqrt a) (acos a))
  -1
  (/ a (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) (- (sqrt (acos a)))) (cbrt a))
  (/ (cbrt a) (sqrt (acos a)))
  (/ (* 1 (sqrt a)) (- (sqrt (acos a))))
  (/ 1 (/ (sqrt (acos a)) (sqrt 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))
  (* (/ (cbrt a) (cbrt (acos a))) (/ (cbrt 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)) (sqrt (acos a)))
  (/ (cbrt a) (- (sqrt (acos a))))
  (/ 1 (/ (sqrt (acos a)) (sqrt a)))
  (/ (* 1 (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)))) (/ 1 (cbrt (- (/ (acos a) a)))))
  (/ 1 (cbrt (- (/ (acos a) a))))
  (/ 1 (sqrt (- (/ (acos a) a))))
  (/ 1 (sqrt (- (/ (acos a) a))))
  (* (/ (/ (cbrt a) (cbrt (- (acos a)))) (cbrt (- (acos a)))) (cbrt 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) (sqrt (- (acos a)))) (cbrt a))
  (/ (cbrt a) (sqrt (- (acos a))))
  (/ (* 1 (sqrt a)) (sqrt (- (acos a))))
  (/ (* 1 (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)))
  (- (* (cbrt a) (cbrt a)))
  (/ (cbrt a) (acos a))
  (- (sqrt a))
  (/ (sqrt a) (acos a))
  -1
  (/ a (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) (- (sqrt (acos a)))) (cbrt a))
  (/ (cbrt a) (sqrt (acos a)))
  (/ (* 1 (sqrt a)) (- (sqrt (acos a))))
  (/ 1 (/ (sqrt (acos a)) (sqrt 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))
  (* (/ (cbrt a) (cbrt (acos a))) (/ (cbrt 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)) (sqrt (acos a)))
  (/ (cbrt a) (- (sqrt (acos a))))
  (/ 1 (/ (sqrt (acos a)) (sqrt a)))
  (/ (* 1 (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)))) (/ 1 (cbrt (- (/ (acos a) a)))))
  (/ 1 (cbrt (- (/ (acos a) a))))
  (/ 1 (sqrt (- (/ (acos a) a))))
  (/ 1 (sqrt (- (/ (acos a) a))))
  (* (/ (/ (cbrt a) (cbrt (- (acos a)))) (cbrt (- (acos a)))) (cbrt 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) (sqrt (- (acos a)))) (cbrt a))
  (/ (cbrt a) (sqrt (- (acos a))))
  (/ (* 1 (sqrt a)) (sqrt (- (acos a))))
  (/ (* 1 (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)))
  (- (* (cbrt a) (cbrt a)))
  (/ (cbrt a) (acos a))
  (- (sqrt a))
  (/ (sqrt a) (acos a))
  -1
  (/ a (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) (- (sqrt (acos a)))) (cbrt a))
  (/ (cbrt a) (sqrt (acos a)))
  (/ (* 1 (sqrt a)) (- (sqrt (acos a))))
  (/ 1 (/ (sqrt (acos a)) (sqrt 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))
  (* (/ (cbrt a) (cbrt (acos a))) (/ (cbrt 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)) (sqrt (acos a)))
  (/ (cbrt a) (- (sqrt (acos a))))
  (/ 1 (/ (sqrt (acos a)) (sqrt a)))
  (/ (* 1 (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)))) (/ 1 (cbrt (- (/ (acos a) a)))))
  (/ 1 (sqrt (- (/ (acos a) a))))
  (* (/ (/ (cbrt a) (cbrt (- (acos a)))) (cbrt (- (acos a)))) (cbrt a))
  (/ (* 1 (sqrt a)) (* (cbrt (- (acos a))) (cbrt (- (acos a)))))
  (/ (/ 1 (cbrt (- (acos a)))) (cbrt (- (acos a))))
  (* (/ (cbrt a) (sqrt (- (acos a)))) (cbrt a))
  (/ (* 1 (sqrt a)) (sqrt (- (acos a))))
  (/ 1 (sqrt (- (acos a))))
  (* (cbrt a) (cbrt a))
  (sqrt a)
  1
  (- (* (cbrt a) (cbrt a)))
  (- (sqrt a))
  -1
  (/ (* (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) (- (sqrt (acos a)))) (cbrt a))
  (/ (* 1 (sqrt a)) (- (sqrt (acos a))))
  (/ 1 (- (sqrt (acos a))))
  (- (* (cbrt a) (cbrt a)))
  (- (sqrt a))
  -1
  (* (/ (cbrt a) (cbrt (acos a))) (/ (cbrt a) (cbrt (acos a))))
  (/ (* 1 (sqrt a)) (* (cbrt (acos a)) (cbrt (acos a))))
  (/ (/ 1 (cbrt (acos a))) (cbrt (acos a)))
  (/ (* (cbrt a) (cbrt a)) (sqrt (acos a)))
  (/ 1 (/ (sqrt (acos a)) (sqrt 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)))
  (log (- (/ (acos a) a)))
  (log (- (/ (acos a) a)))
  (exp (- (/ (acos a) a)))
  (* (/ (acos a) a) (* (/ (acos a) a) (- (/ (acos 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)
  0
  (/ (acos a) a)
  (* (/ (cbrt (- (acos a))) (cbrt a)) (/ (cbrt (- (acos 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))))
  (/ (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)) (/ 1 (cbrt a)))
  (/ (- (acos a)) (cbrt a))
  (/ 1 (sqrt a))
  (- (/ (acos a) (sqrt a)))
  1
  (- (/ (acos a) a))
  (/ -1 (* (cbrt a) (cbrt a)))
  (/ (acos a) (cbrt a))
  (/ -1 (sqrt a))
  (/ (acos a) (sqrt a))
  -1
  (/ (acos a) a)
  (* (- (/ (cbrt (acos a)) (cbrt a))) (/ (cbrt (acos 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))))
  (/ (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)
  (* (/ (cbrt (acos a)) (cbrt a)) (/ (cbrt (acos 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)) (/ 1 (cbrt a)))
  (/ (- (acos a)) (cbrt a))
  (/ 1 (sqrt a))
  (- (/ (acos a) (sqrt a)))
  1
  (- (/ (acos a) a))
  (/ 1 a)
  (/ a (- (acos a)))
  (/ (acos a) 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 (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 (acos a)))
  (- (/ (acos a) a))
  (- (/ (acos a) a))
  (- (/ (acos a) a))
4.436 * * * [progress]: adding candidates to table
5.018 * * [progress]: iteration 3 / 4
5.018 * * * [progress]: picking best candidate
5.066 * * * * [pick]: Picked  #<alt (λ (a) (/ (/ 1 (- (acos a))) (/ 1 a)))>
5.066 * * * [progress]: localizing error
5.076 * * * [progress]: generating rewritten candidates
5.076 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
5.145 * * * [progress]: generating series expansions
5.145 * * * * [progress]: [ 1 / 1 ] generating series at (2)
5.145 * [backup-simplify]: Simplify (/ (/ 1 (- (acos a))) (/ 1 a)) into (* -1 (/ a (acos a)))
5.145 * [approximate]: Taking taylor expansion of (* -1 (/ a (acos a))) in (a) around 0
5.145 * [taylor]: Taking taylor expansion of (* -1 (/ a (acos a))) in a
5.145 * [taylor]: Taking taylor expansion of -1 in a
5.145 * [backup-simplify]: Simplify -1 into -1
5.145 * [taylor]: Taking taylor expansion of (/ a (acos a)) in a
5.145 * [taylor]: Taking taylor expansion of a in a
5.146 * [backup-simplify]: Simplify 0 into 0
5.146 * [backup-simplify]: Simplify 1 into 1
5.146 * [taylor]: Taking taylor expansion of (acos a) in a
5.146 * [backup-simplify]: Simplify (acos a) into (acos a)
5.146 * [backup-simplify]: Simplify (/ 1 (acos a)) into (/ 1 (acos a))
5.146 * [taylor]: Taking taylor expansion of (* -1 (/ a (acos a))) in a
5.146 * [taylor]: Taking taylor expansion of -1 in a
5.146 * [backup-simplify]: Simplify -1 into -1
5.146 * [taylor]: Taking taylor expansion of (/ a (acos a)) in a
5.146 * [taylor]: Taking taylor expansion of a in a
5.146 * [backup-simplify]: Simplify 0 into 0
5.146 * [backup-simplify]: Simplify 1 into 1
5.146 * [taylor]: Taking taylor expansion of (acos a) in a
5.146 * [backup-simplify]: Simplify (acos a) into (acos a)
5.146 * [backup-simplify]: Simplify (/ 1 (acos a)) into (/ 1 (acos a))
5.146 * [backup-simplify]: Simplify (* -1 (/ 1 (acos a))) into (/ -1 (acos a))
5.146 * [backup-simplify]: Simplify (/ -1 (acos a)) into (/ -1 (acos a))
5.146 * [backup-simplify]: Simplify (- (/ 0 (acos a)) (+ (* (/ 1 (acos a)) (/ 0 (acos a))))) into 0
5.147 * [backup-simplify]: Simplify (+ (* -1 0) (* 0 (/ 1 (acos a)))) into 0
5.147 * [backup-simplify]: Simplify 0 into 0
5.147 * [backup-simplify]: Simplify (- (/ 0 (acos a)) (+ (* (/ 1 (acos a)) (/ 0 (acos a))) (* 0 (/ 0 (acos a))))) into 0
5.148 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (* 0 (/ 1 (acos a))))) into 0
5.148 * [backup-simplify]: Simplify 0 into 0
5.148 * [backup-simplify]: Simplify (- (/ 0 (acos a)) (+ (* (/ 1 (acos a)) (/ 0 (acos a))) (* 0 (/ 0 (acos a))) (* 0 (/ 0 (acos a))))) into 0
5.149 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 0) (* 0 (/ 1 (acos a)))))) into 0
5.149 * [backup-simplify]: Simplify 0 into 0
5.149 * [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
5.150 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (/ 1 (acos a))))))) into 0
5.150 * [backup-simplify]: Simplify 0 into 0
5.150 * [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
5.151 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (/ 1 (acos a)))))))) into 0
5.151 * [backup-simplify]: Simplify 0 into 0
5.152 * [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
5.153 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (/ 1 (acos a))))))))) into 0
5.153 * [backup-simplify]: Simplify 0 into 0
5.153 * [backup-simplify]: Simplify (* (/ -1 (acos a)) a) into (* -1 (/ a (acos a)))
5.153 * [backup-simplify]: Simplify (/ (/ 1 (- (acos (/ 1 a)))) (/ 1 (/ 1 a))) into (/ -1 (* a (acos (/ 1 a))))
5.153 * [approximate]: Taking taylor expansion of (/ -1 (* a (acos (/ 1 a)))) in (a) around 0
5.153 * [taylor]: Taking taylor expansion of (/ -1 (* a (acos (/ 1 a)))) in a
5.153 * [taylor]: Taking taylor expansion of -1 in a
5.154 * [backup-simplify]: Simplify -1 into -1
5.154 * [taylor]: Taking taylor expansion of (* a (acos (/ 1 a))) in a
5.154 * [taylor]: Taking taylor expansion of a in a
5.154 * [backup-simplify]: Simplify 0 into 0
5.154 * [backup-simplify]: Simplify 1 into 1
5.154 * [taylor]: Taking taylor expansion of (acos (/ 1 a)) in a
5.154 * [backup-simplify]: Simplify (acos (/ 1 a)) into (acos (/ 1 a))
5.154 * [backup-simplify]: Simplify (* 0 (acos (/ 1 a))) into 0
5.154 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 (acos (/ 1 a)))) into (acos (/ 1 a))
5.154 * [backup-simplify]: Simplify (/ -1 (acos (/ 1 a))) into (/ -1 (acos (/ 1 a)))
5.154 * [taylor]: Taking taylor expansion of (/ -1 (* a (acos (/ 1 a)))) in a
5.154 * [taylor]: Taking taylor expansion of -1 in a
5.154 * [backup-simplify]: Simplify -1 into -1
5.154 * [taylor]: Taking taylor expansion of (* a (acos (/ 1 a))) in a
5.154 * [taylor]: Taking taylor expansion of a in a
5.154 * [backup-simplify]: Simplify 0 into 0
5.154 * [backup-simplify]: Simplify 1 into 1
5.154 * [taylor]: Taking taylor expansion of (acos (/ 1 a)) in a
5.154 * [backup-simplify]: Simplify (acos (/ 1 a)) into (acos (/ 1 a))
5.154 * [backup-simplify]: Simplify (* 0 (acos (/ 1 a))) into 0
5.155 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 (acos (/ 1 a)))) into (acos (/ 1 a))
5.155 * [backup-simplify]: Simplify (/ -1 (acos (/ 1 a))) into (/ -1 (acos (/ 1 a)))
5.155 * [backup-simplify]: Simplify (/ -1 (acos (/ 1 a))) into (/ -1 (acos (/ 1 a)))
5.155 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (* 0 (acos (/ 1 a))))) into 0
5.155 * [backup-simplify]: Simplify (- (/ 0 (acos (/ 1 a))) (+ (* (/ -1 (acos (/ 1 a))) (/ 0 (acos (/ 1 a)))))) into 0
5.156 * [backup-simplify]: Simplify 0 into 0
5.156 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (* 0 (acos (/ 1 a)))))) into 0
5.156 * [backup-simplify]: Simplify (- (/ 0 (acos (/ 1 a))) (+ (* (/ -1 (acos (/ 1 a))) (/ 0 (acos (/ 1 a)))) (* 0 (/ 0 (acos (/ 1 a)))))) into 0
5.156 * [backup-simplify]: Simplify 0 into 0
5.157 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 (acos (/ 1 a))))))) into 0
5.158 * [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
5.158 * [backup-simplify]: Simplify 0 into 0
5.159 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (acos (/ 1 a)))))))) into 0
5.159 * [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
5.159 * [backup-simplify]: Simplify 0 into 0
5.161 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (acos (/ 1 a))))))))) into 0
5.161 * [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
5.161 * [backup-simplify]: Simplify 0 into 0
5.163 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (acos (/ 1 a)))))))))) into 0
5.163 * [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
5.163 * [backup-simplify]: Simplify 0 into 0
5.164 * [backup-simplify]: Simplify (* (/ -1 (acos (/ 1 (/ 1 a)))) (/ 1 (/ 1 a))) into (* -1 (/ a (acos a)))
5.164 * [backup-simplify]: Simplify (/ (/ 1 (- (acos (/ 1 (- a))))) (/ 1 (/ 1 (- a)))) into (/ 1 (* a (acos (/ -1 a))))
5.164 * [approximate]: Taking taylor expansion of (/ 1 (* a (acos (/ -1 a)))) in (a) around 0
5.164 * [taylor]: Taking taylor expansion of (/ 1 (* a (acos (/ -1 a)))) in a
5.164 * [taylor]: Taking taylor expansion of (* a (acos (/ -1 a))) in a
5.164 * [taylor]: Taking taylor expansion of a in a
5.164 * [backup-simplify]: Simplify 0 into 0
5.164 * [backup-simplify]: Simplify 1 into 1
5.164 * [taylor]: Taking taylor expansion of (acos (/ -1 a)) in a
5.164 * [backup-simplify]: Simplify (acos (/ -1 a)) into (acos (/ -1 a))
5.164 * [backup-simplify]: Simplify (* 0 (acos (/ -1 a))) into 0
5.164 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 (acos (/ -1 a)))) into (acos (/ -1 a))
5.164 * [backup-simplify]: Simplify (/ 1 (acos (/ -1 a))) into (/ 1 (acos (/ -1 a)))
5.164 * [taylor]: Taking taylor expansion of (/ 1 (* a (acos (/ -1 a)))) in a
5.164 * [taylor]: Taking taylor expansion of (* a (acos (/ -1 a))) in a
5.164 * [taylor]: Taking taylor expansion of a in a
5.164 * [backup-simplify]: Simplify 0 into 0
5.164 * [backup-simplify]: Simplify 1 into 1
5.164 * [taylor]: Taking taylor expansion of (acos (/ -1 a)) in a
5.164 * [backup-simplify]: Simplify (acos (/ -1 a)) into (acos (/ -1 a))
5.165 * [backup-simplify]: Simplify (* 0 (acos (/ -1 a))) into 0
5.165 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 (acos (/ -1 a)))) into (acos (/ -1 a))
5.165 * [backup-simplify]: Simplify (/ 1 (acos (/ -1 a))) into (/ 1 (acos (/ -1 a)))
5.165 * [backup-simplify]: Simplify (/ 1 (acos (/ -1 a))) into (/ 1 (acos (/ -1 a)))
5.166 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (* 0 (acos (/ -1 a))))) into 0
5.166 * [backup-simplify]: Simplify (- (+ (* (/ 1 (acos (/ -1 a))) (/ 0 (acos (/ -1 a)))))) into 0
5.166 * [backup-simplify]: Simplify 0 into 0
5.167 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (* 0 (acos (/ -1 a)))))) into 0
5.167 * [backup-simplify]: Simplify (- (+ (* (/ 1 (acos (/ -1 a))) (/ 0 (acos (/ -1 a)))) (* 0 (/ 0 (acos (/ -1 a)))))) into 0
5.167 * [backup-simplify]: Simplify 0 into 0
5.168 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 (acos (/ -1 a))))))) into 0
5.168 * [backup-simplify]: Simplify (- (+ (* (/ 1 (acos (/ -1 a))) (/ 0 (acos (/ -1 a)))) (* 0 (/ 0 (acos (/ -1 a)))) (* 0 (/ 0 (acos (/ -1 a)))))) into 0
5.168 * [backup-simplify]: Simplify 0 into 0
5.169 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (acos (/ -1 a)))))))) into 0
5.170 * [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
5.170 * [backup-simplify]: Simplify 0 into 0
5.172 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (acos (/ -1 a))))))))) into 0
5.172 * [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
5.172 * [backup-simplify]: Simplify 0 into 0
5.174 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (acos (/ -1 a)))))))))) into 0
5.174 * [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
5.174 * [backup-simplify]: Simplify 0 into 0
5.174 * [backup-simplify]: Simplify (* (/ 1 (acos (/ -1 (/ 1 (- a))))) (/ 1 (/ 1 (- a)))) into (* -1 (/ a (acos a)))
5.174 * * * [progress]: simplifying candidates
5.189 * [simplify]: Simplifying:
  (- (- (log (- (acos a)))) (- (log a)))
  (- (- (log (- (acos a)))) (- 0 (log a)))
  (- (- (log (- (acos a)))) (- (log 1) (log a)))
  (- (- (log (- (acos a)))) (log (/ 1 a)))
  (- (- 0 (log (- (acos a)))) (- (log a)))
  (- (- 0 (log (- (acos a)))) (- 0 (log a)))
  (- (- 0 (log (- (acos a)))) (- (log 1) (log a)))
  (- (- 0 (log (- (acos a)))) (log (/ 1 a)))
  (- (- (log 1) (log (- (acos a)))) (- (log a)))
  (- (- (log 1) (log (- (acos a)))) (- 0 (log a)))
  (- (- (log 1) (log (- (acos a)))) (- (log 1) (log a)))
  (- (- (log 1) (log (- (acos a)))) (log (/ 1 a)))
  (- (log (/ 1 (- (acos a)))) (- (log a)))
  (- (log (/ 1 (- (acos a)))) (- 0 (log a)))
  (- (log (/ 1 (- (acos a)))) (- (log 1) (log 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 1) 1) (* (* a a) 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 1) 1) (* (* a a) 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))))) (/ (* (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)))) (/ (* (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))
  (/ (/ (* (cbrt 1) (cbrt 1)) (* (cbrt (- (acos a))) (cbrt (- (acos a))))) (* (cbrt (/ 1 a)) (cbrt (/ 1 a))))
  (/ (/ (cbrt 1) (cbrt (- (acos a)))) (cbrt (/ 1 a)))
  (/ (/ (* (cbrt 1) (cbrt 1)) (* (cbrt (- (acos a))) (cbrt (- (acos a))))) (sqrt (/ 1 a)))
  (/ (/ (cbrt 1) (cbrt (- (acos a)))) (sqrt (/ 1 a)))
  (/ (/ (* (cbrt 1) (cbrt 1)) (* (cbrt (- (acos a))) (cbrt (- (acos a))))) (/ (* (cbrt 1) (cbrt 1)) (* (cbrt a) (cbrt a))))
  (/ (/ (cbrt 1) (cbrt (- (acos a)))) (/ (cbrt 1) (cbrt a)))
  (/ (/ (* (cbrt 1) (cbrt 1)) (* (cbrt (- (acos a))) (cbrt (- (acos a))))) (/ (* (cbrt 1) (cbrt 1)) (sqrt a)))
  (/ (/ (cbrt 1) (cbrt (- (acos a)))) (/ (cbrt 1) (sqrt a)))
  (/ (/ (* (cbrt 1) (cbrt 1)) (* (cbrt (- (acos a))) (cbrt (- (acos a))))) (/ (* (cbrt 1) (cbrt 1)) 1))
  (/ (/ (cbrt 1) (cbrt (- (acos a)))) (/ (cbrt 1) a))
  (/ (/ (* (cbrt 1) (cbrt 1)) (* (cbrt (- (acos a))) (cbrt (- (acos a))))) (/ (sqrt 1) (* (cbrt a) (cbrt a))))
  (/ (/ (cbrt 1) (cbrt (- (acos a)))) (/ (sqrt 1) (cbrt a)))
  (/ (/ (* (cbrt 1) (cbrt 1)) (* (cbrt (- (acos a))) (cbrt (- (acos a))))) (/ (sqrt 1) (sqrt a)))
  (/ (/ (cbrt 1) (cbrt (- (acos a)))) (/ (sqrt 1) (sqrt a)))
  (/ (/ (* (cbrt 1) (cbrt 1)) (* (cbrt (- (acos a))) (cbrt (- (acos a))))) (/ (sqrt 1) 1))
  (/ (/ (cbrt 1) (cbrt (- (acos a)))) (/ (sqrt 1) a))
  (/ (/ (* (cbrt 1) (cbrt 1)) (* (cbrt (- (acos a))) (cbrt (- (acos a))))) (/ 1 (* (cbrt a) (cbrt a))))
  (/ (/ (cbrt 1) (cbrt (- (acos a)))) (/ 1 (cbrt a)))
  (/ (/ (* (cbrt 1) (cbrt 1)) (* (cbrt (- (acos a))) (cbrt (- (acos a))))) (/ 1 (sqrt a)))
  (/ (/ (cbrt 1) (cbrt (- (acos a)))) (/ 1 (sqrt a)))
  (/ (/ (* (cbrt 1) (cbrt 1)) (* (cbrt (- (acos a))) (cbrt (- (acos a))))) (/ 1 1))
  (/ (/ (cbrt 1) (cbrt (- (acos a)))) (/ 1 a))
  (/ (/ (* (cbrt 1) (cbrt 1)) (* (cbrt (- (acos a))) (cbrt (- (acos a))))) 1)
  (/ (/ (cbrt 1) (cbrt (- (acos a)))) (/ 1 a))
  (/ (/ (* (cbrt 1) (cbrt 1)) (* (cbrt (- (acos a))) (cbrt (- (acos a))))) 1)
  (/ (/ (cbrt 1) (cbrt (- (acos a)))) (/ 1 a))
  (/ (/ (* (cbrt 1) (cbrt 1)) (sqrt (- (acos a)))) (* (cbrt (/ 1 a)) (cbrt (/ 1 a))))
  (/ (/ (cbrt 1) (sqrt (- (acos a)))) (cbrt (/ 1 a)))
  (/ (/ (* (cbrt 1) (cbrt 1)) (sqrt (- (acos a)))) (sqrt (/ 1 a)))
  (/ (/ (cbrt 1) (sqrt (- (acos a)))) (sqrt (/ 1 a)))
  (/ (/ (* (cbrt 1) (cbrt 1)) (sqrt (- (acos a)))) (/ (* (cbrt 1) (cbrt 1)) (* (cbrt a) (cbrt a))))
  (/ (/ (cbrt 1) (sqrt (- (acos a)))) (/ (cbrt 1) (cbrt a)))
  (/ (/ (* (cbrt 1) (cbrt 1)) (sqrt (- (acos a)))) (/ (* (cbrt 1) (cbrt 1)) (sqrt a)))
  (/ (/ (cbrt 1) (sqrt (- (acos a)))) (/ (cbrt 1) (sqrt a)))
  (/ (/ (* (cbrt 1) (cbrt 1)) (sqrt (- (acos a)))) (/ (* (cbrt 1) (cbrt 1)) 1))
  (/ (/ (cbrt 1) (sqrt (- (acos a)))) (/ (cbrt 1) a))
  (/ (/ (* (cbrt 1) (cbrt 1)) (sqrt (- (acos a)))) (/ (sqrt 1) (* (cbrt a) (cbrt a))))
  (/ (/ (cbrt 1) (sqrt (- (acos a)))) (/ (sqrt 1) (cbrt a)))
  (/ (/ (* (cbrt 1) (cbrt 1)) (sqrt (- (acos a)))) (/ (sqrt 1) (sqrt a)))
  (/ (/ (cbrt 1) (sqrt (- (acos a)))) (/ (sqrt 1) (sqrt a)))
  (/ (/ (* (cbrt 1) (cbrt 1)) (sqrt (- (acos a)))) (/ (sqrt 1) 1))
  (/ (/ (cbrt 1) (sqrt (- (acos a)))) (/ (sqrt 1) a))
  (/ (/ (* (cbrt 1) (cbrt 1)) (sqrt (- (acos a)))) (/ 1 (* (cbrt a) (cbrt a))))
  (/ (/ (cbrt 1) (sqrt (- (acos a)))) (/ 1 (cbrt a)))
  (/ (/ (* (cbrt 1) (cbrt 1)) (sqrt (- (acos a)))) (/ 1 (sqrt a)))
  (/ (/ (cbrt 1) (sqrt (- (acos a)))) (/ 1 (sqrt a)))
  (/ (/ (* (cbrt 1) (cbrt 1)) (sqrt (- (acos a)))) (/ 1 1))
  (/ (/ (cbrt 1) (sqrt (- (acos a)))) (/ 1 a))
  (/ (/ (* (cbrt 1) (cbrt 1)) (sqrt (- (acos a)))) 1)
  (/ (/ (cbrt 1) (sqrt (- (acos a)))) (/ 1 a))
  (/ (/ (* (cbrt 1) (cbrt 1)) (sqrt (- (acos a)))) 1)
  (/ (/ (cbrt 1) (sqrt (- (acos a)))) (/ 1 a))
  (/ (/ (* (cbrt 1) (cbrt 1)) 1) (* (cbrt (/ 1 a)) (cbrt (/ 1 a))))
  (/ (/ (cbrt 1) (- (acos a))) (cbrt (/ 1 a)))
  (/ (/ (* (cbrt 1) (cbrt 1)) 1) (sqrt (/ 1 a)))
  (/ (/ (cbrt 1) (- (acos a))) (sqrt (/ 1 a)))
  (/ (/ (* (cbrt 1) (cbrt 1)) 1) (/ (* (cbrt 1) (cbrt 1)) (* (cbrt a) (cbrt a))))
  (/ (/ (cbrt 1) (- (acos a))) (/ (cbrt 1) (cbrt a)))
  (/ (/ (* (cbrt 1) (cbrt 1)) 1) (/ (* (cbrt 1) (cbrt 1)) (sqrt a)))
  (/ (/ (cbrt 1) (- (acos a))) (/ (cbrt 1) (sqrt a)))
  (/ (/ (* (cbrt 1) (cbrt 1)) 1) (/ (* (cbrt 1) (cbrt 1)) 1))
  (/ (/ (cbrt 1) (- (acos a))) (/ (cbrt 1) a))
  (/ (/ (* (cbrt 1) (cbrt 1)) 1) (/ (sqrt 1) (* (cbrt a) (cbrt a))))
  (/ (/ (cbrt 1) (- (acos a))) (/ (sqrt 1) (cbrt a)))
  (/ (/ (* (cbrt 1) (cbrt 1)) 1) (/ (sqrt 1) (sqrt a)))
  (/ (/ (cbrt 1) (- (acos a))) (/ (sqrt 1) (sqrt a)))
  (/ (/ (* (cbrt 1) (cbrt 1)) 1) (/ (sqrt 1) 1))
  (/ (/ (cbrt 1) (- (acos a))) (/ (sqrt 1) a))
  (/ (/ (* (cbrt 1) (cbrt 1)) 1) (/ 1 (* (cbrt a) (cbrt a))))
  (/ (/ (cbrt 1) (- (acos a))) (/ 1 (cbrt a)))
  (/ (/ (* (cbrt 1) (cbrt 1)) 1) (/ 1 (sqrt a)))
  (/ (/ (cbrt 1) (- (acos a))) (/ 1 (sqrt a)))
  (/ (/ (* (cbrt 1) (cbrt 1)) 1) (/ 1 1))
  (/ (/ (cbrt 1) (- (acos a))) (/ 1 a))
  (/ (/ (* (cbrt 1) (cbrt 1)) 1) 1)
  (/ (/ (cbrt 1) (- (acos a))) (/ 1 a))
  (/ (/ (* (cbrt 1) (cbrt 1)) 1) 1)
  (/ (/ (cbrt 1) (- (acos a))) (/ 1 a))
  (/ (/ (* (cbrt 1) (cbrt 1)) -1) (* (cbrt (/ 1 a)) (cbrt (/ 1 a))))
  (/ (/ (cbrt 1) (acos a)) (cbrt (/ 1 a)))
  (/ (/ (* (cbrt 1) (cbrt 1)) -1) (sqrt (/ 1 a)))
  (/ (/ (cbrt 1) (acos a)) (sqrt (/ 1 a)))
  (/ (/ (* (cbrt 1) (cbrt 1)) -1) (/ (* (cbrt 1) (cbrt 1)) (* (cbrt a) (cbrt a))))
  (/ (/ (cbrt 1) (acos a)) (/ (cbrt 1) (cbrt a)))
  (/ (/ (* (cbrt 1) (cbrt 1)) -1) (/ (* (cbrt 1) (cbrt 1)) (sqrt a)))
  (/ (/ (cbrt 1) (acos a)) (/ (cbrt 1) (sqrt a)))
  (/ (/ (* (cbrt 1) (cbrt 1)) -1) (/ (* (cbrt 1) (cbrt 1)) 1))
  (/ (/ (cbrt 1) (acos a)) (/ (cbrt 1) a))
  (/ (/ (* (cbrt 1) (cbrt 1)) -1) (/ (sqrt 1) (* (cbrt a) (cbrt a))))
  (/ (/ (cbrt 1) (acos a)) (/ (sqrt 1) (cbrt a)))
  (/ (/ (* (cbrt 1) (cbrt 1)) -1) (/ (sqrt 1) (sqrt a)))
  (/ (/ (cbrt 1) (acos a)) (/ (sqrt 1) (sqrt a)))
  (/ (/ (* (cbrt 1) (cbrt 1)) -1) (/ (sqrt 1) 1))
  (/ (/ (cbrt 1) (acos a)) (/ (sqrt 1) a))
  (/ (/ (* (cbrt 1) (cbrt 1)) -1) (/ 1 (* (cbrt a) (cbrt a))))
  (/ (/ (cbrt 1) (acos a)) (/ 1 (cbrt a)))
  (/ (/ (* (cbrt 1) (cbrt 1)) -1) (/ 1 (sqrt a)))
  (/ (/ (cbrt 1) (acos a)) (/ 1 (sqrt a)))
  (/ (/ (* (cbrt 1) (cbrt 1)) -1) (/ 1 1))
  (/ (/ (cbrt 1) (acos a)) (/ 1 a))
  (/ (/ (* (cbrt 1) (cbrt 1)) -1) 1)
  (/ (/ (cbrt 1) (acos a)) (/ 1 a))
  (/ (/ (* (cbrt 1) (cbrt 1)) -1) 1)
  (/ (/ (cbrt 1) (acos a)) (/ 1 a))
  (/ (/ (* (cbrt 1) (cbrt 1)) (- (* (cbrt (acos a)) (cbrt (acos a))))) (* (cbrt (/ 1 a)) (cbrt (/ 1 a))))
  (/ (/ (cbrt 1) (cbrt (acos a))) (cbrt (/ 1 a)))
  (/ (/ (* (cbrt 1) (cbrt 1)) (- (* (cbrt (acos a)) (cbrt (acos a))))) (sqrt (/ 1 a)))
  (/ (/ (cbrt 1) (cbrt (acos a))) (sqrt (/ 1 a)))
  (/ (/ (* (cbrt 1) (cbrt 1)) (- (* (cbrt (acos a)) (cbrt (acos a))))) (/ (* (cbrt 1) (cbrt 1)) (* (cbrt a) (cbrt a))))
  (/ (/ (cbrt 1) (cbrt (acos a))) (/ (cbrt 1) (cbrt a)))
  (/ (/ (* (cbrt 1) (cbrt 1)) (- (* (cbrt (acos a)) (cbrt (acos a))))) (/ (* (cbrt 1) (cbrt 1)) (sqrt a)))
  (/ (/ (cbrt 1) (cbrt (acos a))) (/ (cbrt 1) (sqrt a)))
  (/ (/ (* (cbrt 1) (cbrt 1)) (- (* (cbrt (acos a)) (cbrt (acos a))))) (/ (* (cbrt 1) (cbrt 1)) 1))
  (/ (/ (cbrt 1) (cbrt (acos a))) (/ (cbrt 1) a))
  (/ (/ (* (cbrt 1) (cbrt 1)) (- (* (cbrt (acos a)) (cbrt (acos a))))) (/ (sqrt 1) (* (cbrt a) (cbrt a))))
  (/ (/ (cbrt 1) (cbrt (acos a))) (/ (sqrt 1) (cbrt a)))
  (/ (/ (* (cbrt 1) (cbrt 1)) (- (* (cbrt (acos a)) (cbrt (acos a))))) (/ (sqrt 1) (sqrt a)))
  (/ (/ (cbrt 1) (cbrt (acos a))) (/ (sqrt 1) (sqrt a)))
  (/ (/ (* (cbrt 1) (cbrt 1)) (- (* (cbrt (acos a)) (cbrt (acos a))))) (/ (sqrt 1) 1))
  (/ (/ (cbrt 1) (cbrt (acos a))) (/ (sqrt 1) a))
  (/ (/ (* (cbrt 1) (cbrt 1)) (- (* (cbrt (acos a)) (cbrt (acos a))))) (/ 1 (* (cbrt a) (cbrt a))))
  (/ (/ (cbrt 1) (cbrt (acos a))) (/ 1 (cbrt a)))
  (/ (/ (* (cbrt 1) (cbrt 1)) (- (* (cbrt (acos a)) (cbrt (acos a))))) (/ 1 (sqrt a)))
  (/ (/ (cbrt 1) (cbrt (acos a))) (/ 1 (sqrt a)))
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  (/ (/ 1 (- (cbrt (acos a)))) (/ 1 (cbrt a)))
  (/ (/ 1 (* (cbrt (acos a)) (cbrt (acos a)))) (/ 1 (sqrt a)))
  (/ (/ 1 (- (cbrt (acos a)))) (/ 1 (sqrt a)))
  (/ (/ 1 (* (cbrt (acos a)) (cbrt (acos a)))) (/ 1 1))
  (/ (/ 1 (- (cbrt (acos a)))) (/ 1 a))
  (/ (/ 1 (* (cbrt (acos a)) (cbrt (acos a)))) 1)
  (/ (/ 1 (- (cbrt (acos a)))) (/ 1 a))
  (/ (/ 1 (* (cbrt (acos a)) (cbrt (acos a)))) 1)
  (/ (/ 1 (- (cbrt (acos a)))) (/ 1 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))) (/ (* (cbrt 1) (cbrt 1)) (* (cbrt a) (cbrt a))))
  (/ (/ 1 (- (sqrt (acos a)))) (/ (cbrt 1) (cbrt a)))
  (/ (/ 1 (sqrt (acos a))) (/ (* (cbrt 1) (cbrt 1)) (sqrt a)))
  (/ (/ 1 (- (sqrt (acos a)))) (/ (cbrt 1) (sqrt a)))
  (/ (/ 1 (sqrt (acos a))) (/ (* (cbrt 1) (cbrt 1)) 1))
  (/ (/ 1 (- (sqrt (acos a)))) (/ (cbrt 1) a))
  (/ (/ 1 (sqrt (acos a))) (/ (sqrt 1) (* (cbrt a) (cbrt a))))
  (/ (/ 1 (- (sqrt (acos a)))) (/ (sqrt 1) (cbrt a)))
  (/ (/ 1 (sqrt (acos a))) (/ (sqrt 1) (sqrt a)))
  (/ (/ 1 (- (sqrt (acos a)))) (/ (sqrt 1) (sqrt a)))
  (/ (/ 1 (sqrt (acos a))) (/ (sqrt 1) 1))
  (/ (/ 1 (- (sqrt (acos a)))) (/ (sqrt 1) a))
  (/ (/ 1 (sqrt (acos a))) (/ 1 (* (cbrt a) (cbrt a))))
  (/ (/ 1 (- (sqrt (acos a)))) (/ 1 (cbrt a)))
  (/ (/ 1 (sqrt (acos a))) (/ 1 (sqrt a)))
  (/ (/ 1 (- (sqrt (acos a)))) (/ 1 (sqrt a)))
  (/ (/ 1 (sqrt (acos a))) (/ 1 1))
  (/ (/ 1 (- (sqrt (acos a)))) (/ 1 a))
  (/ (/ 1 (sqrt (acos a))) 1)
  (/ (/ 1 (- (sqrt (acos a)))) (/ 1 a))
  (/ (/ 1 (sqrt (acos a))) 1)
  (/ (/ 1 (- (sqrt (acos a)))) (/ 1 a))
  (/ (/ 1 1) (* (cbrt (/ 1 a)) (cbrt (/ 1 a))))
  (/ (/ 1 (- (acos a))) (cbrt (/ 1 a)))
  (/ (/ 1 1) (sqrt (/ 1 a)))
  (/ (/ 1 (- (acos a))) (sqrt (/ 1 a)))
  (/ (/ 1 1) (/ (* (cbrt 1) (cbrt 1)) (* (cbrt a) (cbrt a))))
  (/ (/ 1 (- (acos a))) (/ (cbrt 1) (cbrt a)))
  (/ (/ 1 1) (/ (* (cbrt 1) (cbrt 1)) (sqrt a)))
  (/ (/ 1 (- (acos a))) (/ (cbrt 1) (sqrt a)))
  (/ (/ 1 1) (/ (* (cbrt 1) (cbrt 1)) 1))
  (/ (/ 1 (- (acos a))) (/ (cbrt 1) a))
  (/ (/ 1 1) (/ (sqrt 1) (* (cbrt a) (cbrt a))))
  (/ (/ 1 (- (acos a))) (/ (sqrt 1) (cbrt a)))
  (/ (/ 1 1) (/ (sqrt 1) (sqrt a)))
  (/ (/ 1 (- (acos a))) (/ (sqrt 1) (sqrt a)))
  (/ (/ 1 1) (/ (sqrt 1) 1))
  (/ (/ 1 (- (acos a))) (/ (sqrt 1) a))
  (/ (/ 1 1) (/ 1 (* (cbrt a) (cbrt a))))
  (/ (/ 1 (- (acos a))) (/ 1 (cbrt a)))
  (/ (/ 1 1) (/ 1 (sqrt a)))
  (/ (/ 1 (- (acos a))) (/ 1 (sqrt a)))
  (/ (/ 1 1) (/ 1 1))
  (/ (/ 1 (- (acos a))) (/ 1 a))
  (/ (/ 1 1) 1)
  (/ (/ 1 (- (acos a))) (/ 1 a))
  (/ (/ 1 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))) (/ (* (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) (/ (cbrt 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) (/ (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) (/ (sqrt 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) (/ (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 (cbrt (acos a))))
  (/ (/ 1 a) (/ 1 (sqrt (acos a))))
  (/ (/ 1 a) (/ 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)))
  (* -1 (/ a (acos a)))
  (* -1 (/ a (acos a)))
  (* -1 (/ a (acos a)))
5.202 * * [simplify]: iteration 0: 801 enodes
6.481 * * [simplify]: iteration 1: 2617 enodes
7.169 * * [simplify]: iteration 2: 4264 enodes
7.811 * * [simplify]: iteration complete: 5020 enodes
7.811 * * [simplify]: Extracting #0: cost 116 inf + 0
7.815 * * [simplify]: Extracting #1: cost 724 inf + 45
7.823 * * [simplify]: Extracting #2: cost 930 inf + 13381
7.853 * * [simplify]: Extracting #3: cost 498 inf + 130582
7.918 * * [simplify]: Extracting #4: cost 49 inf + 257793
7.973 * * [simplify]: Extracting #5: cost 2 inf + 271160
8.031 * * [simplify]: Extracting #6: cost 0 inf + 271744
8.079 * [simplify]: Simplified to:
  (- (log (/ (- (acos a)) a)))
  (- (log (/ (- (acos a)) a)))
  (- (log (/ (- (acos a)) a)))
  (- (log (/ (- (acos a)) a)))
  (- (log (/ (- (acos a)) a)))
  (- (log (/ (- (acos a)) a)))
  (- (log (/ (- (acos a)) a)))
  (- (log (/ (- (acos a)) a)))
  (- (log (/ (- (acos a)) a)))
  (- (log (/ (- (acos a)) a)))
  (- (log (/ (- (acos a)) a)))
  (- (log (/ (- (acos a)) a)))
  (- (log (/ (- (acos a)) a)))
  (- (log (/ (- (acos a)) a)))
  (- (log (/ (- (acos a)) a)))
  (- (log (/ (- (acos a)) a)))
  (- (log (/ (- (acos a)) a)))
  (exp (/ (* 1 a) (- (acos a))))
  (* (* (/ (/ (/ 1 (acos a)) (acos a)) (- (acos a))) (* a a)) a)
  (* (* (/ (/ (/ 1 (acos a)) (acos a)) (- (acos a))) (* a a)) a)
  (* (* (/ (* 1 a) (- (acos a))) (/ (* 1 a) (- (acos a)))) (/ (* 1 a) (- (acos a))))
  (* (* (/ (* 1 a) (- (acos a))) (/ (* 1 a) (- (acos a)))) (/ (* 1 a) (- (acos a))))
  (* (cbrt (/ (* 1 a) (- (acos a)))) (cbrt (/ (* 1 a) (- (acos a)))))
  (cbrt (/ (* 1 a) (- (acos a))))
  (* (* (/ (* 1 a) (- (acos a))) (/ (* 1 a) (- (acos a)))) (/ (* 1 a) (- (acos a))))
  (sqrt (/ (* 1 a) (- (acos a))))
  (sqrt (/ (* 1 a) (- (acos a))))
  (/ -1 (- (acos a)))
  (/ -1 a)
  (* (/ (cbrt (/ 1 (- (acos a)))) (cbrt (/ 1 a))) (/ (cbrt (/ 1 (- (acos 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 a) (cbrt (/ 1 (- (acos a))))) (* (cbrt a) (cbrt (/ 1 (- (acos a))))))
  (* (cbrt a) (cbrt (/ 1 (- (acos a)))))
  (* (* (cbrt (/ 1 (- (acos a)))) (cbrt (/ 1 (- (acos a))))) (sqrt a))
  (* (cbrt (/ 1 (- (acos a)))) (sqrt a))
  (* (cbrt (/ 1 (- (acos a)))) (cbrt (/ 1 (- (acos a)))))
  (* a (cbrt (/ 1 (- (acos a)))))
  (* (* (cbrt a) (cbrt (/ 1 (- (acos a))))) (* (cbrt a) (cbrt (/ 1 (- (acos a))))))
  (* (cbrt a) (cbrt (/ 1 (- (acos a)))))
  (* (* (cbrt (/ 1 (- (acos a)))) (cbrt (/ 1 (- (acos a))))) (sqrt a))
  (* (cbrt (/ 1 (- (acos a)))) (sqrt a))
  (* (cbrt (/ 1 (- (acos a)))) (cbrt (/ 1 (- (acos a)))))
  (* a (cbrt (/ 1 (- (acos a)))))
  (* (* (cbrt a) (cbrt (/ 1 (- (acos a))))) (* (cbrt a) (cbrt (/ 1 (- (acos a))))))
  (* (cbrt a) (cbrt (/ 1 (- (acos a)))))
  (* (* (cbrt (/ 1 (- (acos a)))) (cbrt (/ 1 (- (acos a))))) (sqrt a))
  (* (cbrt (/ 1 (- (acos a)))) (sqrt a))
  (* (cbrt (/ 1 (- (acos a)))) (cbrt (/ 1 (- (acos a)))))
  (* a (cbrt (/ 1 (- (acos a)))))
  (* (cbrt (/ 1 (- (acos a)))) (cbrt (/ 1 (- (acos a)))))
  (* a (cbrt (/ 1 (- (acos a)))))
  (* (cbrt (/ 1 (- (acos a)))) (cbrt (/ 1 (- (acos a)))))
  (* a (cbrt (/ 1 (- (acos 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 (/ 1 (- (acos a)))) (sqrt a))
  (* (sqrt (/ 1 (- (acos a)))) (sqrt a))
  (sqrt (/ 1 (- (acos a))))
  (* (sqrt (/ 1 (- (acos a)))) a)
  (* (sqrt (/ 1 (- (acos a)))) (* (cbrt a) (cbrt a)))
  (* (sqrt (/ 1 (- (acos a)))) (cbrt a))
  (* (sqrt (/ 1 (- (acos a)))) (sqrt a))
  (* (sqrt (/ 1 (- (acos a)))) (sqrt a))
  (sqrt (/ 1 (- (acos a))))
  (* (sqrt (/ 1 (- (acos a)))) a)
  (* (sqrt (/ 1 (- (acos a)))) (* (cbrt a) (cbrt a)))
  (* (sqrt (/ 1 (- (acos a)))) (cbrt a))
  (* (sqrt (/ 1 (- (acos a)))) (sqrt a))
  (* (sqrt (/ 1 (- (acos 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)
  (* (/ 1 (* (cbrt (/ 1 a)) (cbrt (- (acos a))))) (/ 1 (* (cbrt (/ 1 a)) (cbrt (- (acos a))))))
  (/ 1 (* (cbrt (/ 1 a)) (cbrt (- (acos a)))))
  (/ (/ (/ 1 (cbrt (- (acos a)))) (cbrt (- (acos a)))) (sqrt (/ 1 a)))
  (/ (/ 1 (sqrt (/ 1 a))) (cbrt (- (acos a))))
  (* (/ (cbrt a) (cbrt (- (acos a)))) (/ (cbrt a) (cbrt (- (acos a)))))
  (* (cbrt a) (/ 1 (cbrt (- (acos a)))))
  (/ (sqrt a) (* (cbrt (- (acos a))) (cbrt (- (acos a)))))
  (* (/ 1 (cbrt (- (acos a)))) (sqrt a))
  (/ (/ 1 (cbrt (- (acos a)))) (cbrt (- (acos a))))
  (* a (/ 1 (cbrt (- (acos a)))))
  (* (/ (cbrt a) (cbrt (- (acos a)))) (/ (cbrt a) (cbrt (- (acos a)))))
  (* (cbrt a) (/ 1 (cbrt (- (acos a)))))
  (/ (sqrt a) (* (cbrt (- (acos a))) (cbrt (- (acos a)))))
  (* (/ 1 (cbrt (- (acos a)))) (sqrt a))
  (/ (/ 1 (cbrt (- (acos a)))) (cbrt (- (acos a))))
  (* a (/ 1 (cbrt (- (acos a)))))
  (* (/ (cbrt a) (cbrt (- (acos a)))) (/ (cbrt a) (cbrt (- (acos a)))))
  (* (cbrt a) (/ 1 (cbrt (- (acos a)))))
  (/ (sqrt a) (* (cbrt (- (acos a))) (cbrt (- (acos a)))))
  (* (/ 1 (cbrt (- (acos a)))) (sqrt a))
  (/ (/ 1 (cbrt (- (acos a)))) (cbrt (- (acos a))))
  (* a (/ 1 (cbrt (- (acos a)))))
  (/ (/ 1 (cbrt (- (acos a)))) (cbrt (- (acos a))))
  (* a (/ 1 (cbrt (- (acos a)))))
  (/ (/ 1 (cbrt (- (acos a)))) (cbrt (- (acos a))))
  (* a (/ 1 (cbrt (- (acos a)))))
  (/ (/ 1 (* (cbrt (/ 1 a)) (cbrt (/ 1 a)))) (sqrt (- (acos a))))
  (/ 1 (* (cbrt (/ 1 a)) (sqrt (- (acos a)))))
  (/ 1 (* (sqrt (- (acos a))) (sqrt (/ 1 a))))
  (/ 1 (* (sqrt (- (acos a))) (sqrt (/ 1 a))))
  (/ (* (cbrt a) (cbrt a)) (sqrt (- (acos a))))
  (* (/ 1 (sqrt (- (acos a)))) (cbrt a))
  (* (/ 1 (sqrt (- (acos a)))) (sqrt a))
  (* (/ 1 (sqrt (- (acos a)))) (sqrt a))
  (/ 1 (sqrt (- (acos a))))
  (* a (/ 1 (sqrt (- (acos a)))))
  (/ (* (cbrt a) (cbrt a)) (sqrt (- (acos a))))
  (* (/ 1 (sqrt (- (acos a)))) (cbrt a))
  (* (/ 1 (sqrt (- (acos a)))) (sqrt a))
  (* (/ 1 (sqrt (- (acos a)))) (sqrt a))
  (/ 1 (sqrt (- (acos a))))
  (* a (/ 1 (sqrt (- (acos a)))))
  (/ (* (cbrt a) (cbrt a)) (sqrt (- (acos a))))
  (* (/ 1 (sqrt (- (acos a)))) (cbrt a))
  (* (/ 1 (sqrt (- (acos a)))) (sqrt a))
  (* (/ 1 (sqrt (- (acos a)))) (sqrt a))
  (/ 1 (sqrt (- (acos a))))
  (* a (/ 1 (sqrt (- (acos a)))))
  (/ 1 (sqrt (- (acos a))))
  (* a (/ 1 (sqrt (- (acos a)))))
  (/ 1 (sqrt (- (acos a))))
  (* a (/ 1 (sqrt (- (acos a)))))
  (/ 1 (* (cbrt (/ 1 a)) (cbrt (/ 1 a))))
  (/ (/ 1 (- (acos a))) (cbrt (/ 1 a)))
  (/ 1 (sqrt (/ 1 a)))
  (/ 1 (* (sqrt (/ 1 a)) (- (acos a))))
  (* (cbrt a) (cbrt a))
  (* (cbrt a) (/ 1 (- (acos a))))
  (sqrt a)
  (* (sqrt a) (/ 1 (- (acos a))))
  1
  (/ (* 1 a) (- (acos a)))
  (* (cbrt a) (cbrt a))
  (* (cbrt a) (/ 1 (- (acos a))))
  (sqrt a)
  (* (sqrt a) (/ 1 (- (acos a))))
  1
  (/ (* 1 a) (- (acos a)))
  (* (cbrt a) (cbrt a))
  (* (cbrt a) (/ 1 (- (acos a))))
  (sqrt a)
  (* (sqrt a) (/ 1 (- (acos a))))
  1
  (/ (* 1 a) (- (acos a)))
  1
  (/ (* 1 a) (- (acos a)))
  1
  (/ (* 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) (/ 1 (acos a)))
  (- (sqrt a))
  (/ (sqrt a) (acos a))
  -1
  (* (/ 1 (acos a)) a)
  (- (* (cbrt a) (cbrt a)))
  (* (cbrt a) (/ 1 (acos a)))
  (- (sqrt a))
  (/ (sqrt a) (acos a))
  -1
  (* (/ 1 (acos a)) a)
  (- (* (cbrt a) (cbrt a)))
  (* (cbrt a) (/ 1 (acos a)))
  (- (sqrt a))
  (/ (sqrt a) (acos a))
  -1
  (* (/ 1 (acos a)) a)
  -1
  (* (/ 1 (acos a)) a)
  -1
  (* (/ 1 (acos a)) a)
  (/ (/ (/ 1 (- (cbrt (acos a)))) (cbrt (acos a))) (* (cbrt (/ 1 a)) (cbrt (/ 1 a))))
  (/ (/ 1 (cbrt (/ 1 a))) (cbrt (acos a)))
  (/ 1 (* (* (sqrt (/ 1 a)) (cbrt (acos a))) (- (cbrt (acos a)))))
  (/ 1 (* (sqrt (/ 1 a)) (cbrt (acos a))))
  (* (/ (/ 1 (- (cbrt (acos a)))) (cbrt (acos a))) (* (cbrt a) (cbrt a)))
  (* (cbrt a) (/ 1 (cbrt (acos a))))
  (* (/ (/ 1 (- (cbrt (acos a)))) (cbrt (acos a))) (sqrt a))
  (* (sqrt a) (/ 1 (cbrt (acos a))))
  (/ (/ 1 (- (cbrt (acos a)))) (cbrt (acos a)))
  (* a (/ 1 (cbrt (acos a))))
  (* (/ (/ 1 (- (cbrt (acos a)))) (cbrt (acos a))) (* (cbrt a) (cbrt a)))
  (* (cbrt a) (/ 1 (cbrt (acos a))))
  (* (/ (/ 1 (- (cbrt (acos a)))) (cbrt (acos a))) (sqrt a))
  (* (sqrt a) (/ 1 (cbrt (acos a))))
  (/ (/ 1 (- (cbrt (acos a)))) (cbrt (acos a)))
  (* a (/ 1 (cbrt (acos a))))
  (* (/ (/ 1 (- (cbrt (acos a)))) (cbrt (acos a))) (* (cbrt a) (cbrt a)))
  (* (cbrt a) (/ 1 (cbrt (acos a))))
  (* (/ (/ 1 (- (cbrt (acos a)))) (cbrt (acos a))) (sqrt a))
  (* (sqrt a) (/ 1 (cbrt (acos a))))
  (/ (/ 1 (- (cbrt (acos a)))) (cbrt (acos a)))
  (* a (/ 1 (cbrt (acos a))))
  (/ (/ 1 (- (cbrt (acos a)))) (cbrt (acos a)))
  (* a (/ 1 (cbrt (acos a))))
  (/ (/ 1 (- (cbrt (acos a)))) (cbrt (acos a)))
  (* a (/ 1 (cbrt (acos a))))
  (/ (/ 1 (- (sqrt (acos a)))) (* (cbrt (/ 1 a)) (cbrt (/ 1 a))))
  (/ (/ 1 (sqrt (acos a))) (cbrt (/ 1 a)))
  (/ 1 (- (* (sqrt (/ 1 a)) (sqrt (acos a)))))
  (/ (/ 1 (sqrt (/ 1 a))) (sqrt (acos a)))
  (* (/ (* 1 (cbrt a)) (- (sqrt (acos a)))) (cbrt a))
  (* (/ 1 (sqrt (acos a))) (cbrt a))
  (/ (sqrt a) (- (sqrt (acos a))))
  (* (sqrt a) (/ 1 (sqrt (acos a))))
  (/ 1 (- (sqrt (acos a))))
  (* (/ 1 (sqrt (acos a))) a)
  (* (/ (* 1 (cbrt a)) (- (sqrt (acos a)))) (cbrt a))
  (* (/ 1 (sqrt (acos a))) (cbrt a))
  (/ (sqrt a) (- (sqrt (acos a))))
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  (/ (* 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) (/ 1 (acos a)))
  (- (sqrt a))
  (/ (sqrt a) (acos a))
  -1
  (* (/ 1 (acos a)) a)
  (- (* (cbrt a) (cbrt a)))
  (* (cbrt a) (/ 1 (acos a)))
  (- (sqrt a))
  (/ (sqrt a) (acos a))
  -1
  (* (/ 1 (acos a)) a)
  (- (* (cbrt a) (cbrt a)))
  (* (cbrt a) (/ 1 (acos a)))
  (- (sqrt a))
  (/ (sqrt a) (acos a))
  -1
  (* (/ 1 (acos a)) a)
  -1
  (* (/ 1 (acos a)) a)
  -1
  (* (/ 1 (acos a)) a)
  (/ (/ (/ 1 (- (cbrt (acos a)))) (cbrt (acos a))) (* (cbrt (/ 1 a)) (cbrt (/ 1 a))))
  (/ (/ 1 (cbrt (/ 1 a))) (cbrt (acos a)))
  (/ 1 (* (* (sqrt (/ 1 a)) (cbrt (acos a))) (- (cbrt (acos a)))))
  (/ 1 (* (sqrt (/ 1 a)) (cbrt (acos a))))
  (* (/ (/ 1 (- (cbrt (acos a)))) (cbrt (acos a))) (* (cbrt a) (cbrt a)))
  (* (cbrt a) (/ 1 (cbrt (acos a))))
  (* (/ (/ 1 (- (cbrt (acos a)))) (cbrt (acos a))) (sqrt a))
  (* (sqrt a) (/ 1 (cbrt (acos a))))
  (/ (/ 1 (- (cbrt (acos a)))) (cbrt (acos a)))
  (* a (/ 1 (cbrt (acos a))))
  (* (/ (/ 1 (- (cbrt (acos a)))) (cbrt (acos a))) (* (cbrt a) (cbrt a)))
  (* (cbrt a) (/ 1 (cbrt (acos a))))
  (* (/ (/ 1 (- (cbrt (acos a)))) (cbrt (acos a))) (sqrt a))
  (* (sqrt a) (/ 1 (cbrt (acos a))))
  (/ (/ 1 (- (cbrt (acos a)))) (cbrt (acos a)))
  (* a (/ 1 (cbrt (acos a))))
  (* (/ (/ 1 (- (cbrt (acos a)))) (cbrt (acos a))) (* (cbrt a) (cbrt a)))
  (* (cbrt a) (/ 1 (cbrt (acos a))))
  (* (/ (/ 1 (- (cbrt (acos a)))) (cbrt (acos a))) (sqrt a))
  (* (sqrt a) (/ 1 (cbrt (acos a))))
  (/ (/ 1 (- (cbrt (acos a)))) (cbrt (acos a)))
  (* a (/ 1 (cbrt (acos a))))
  (/ (/ 1 (- (cbrt (acos a)))) (cbrt (acos a)))
  (* a (/ 1 (cbrt (acos a))))
  (/ (/ 1 (- (cbrt (acos a)))) (cbrt (acos a)))
  (* a (/ 1 (cbrt (acos a))))
  (/ (/ 1 (- (sqrt (acos a)))) (* (cbrt (/ 1 a)) (cbrt (/ 1 a))))
  (/ (/ 1 (sqrt (acos a))) (cbrt (/ 1 a)))
  (/ 1 (- (* (sqrt (/ 1 a)) (sqrt (acos a)))))
  (/ (/ 1 (sqrt (/ 1 a))) (sqrt (acos a)))
  (* (/ (* 1 (cbrt a)) (- (sqrt (acos a)))) (cbrt a))
  (* (/ 1 (sqrt (acos a))) (cbrt a))
  (/ (sqrt a) (- (sqrt (acos a))))
  (* (sqrt a) (/ 1 (sqrt (acos a))))
  (/ 1 (- (sqrt (acos a))))
  (* (/ 1 (sqrt (acos a))) a)
  (* (/ (* 1 (cbrt a)) (- (sqrt (acos a)))) (cbrt a))
  (* (/ 1 (sqrt (acos a))) (cbrt a))
  (/ (sqrt a) (- (sqrt (acos a))))
  (* (sqrt a) (/ 1 (sqrt (acos a))))
  (/ 1 (- (sqrt (acos a))))
  (* (/ 1 (sqrt (acos a))) a)
  (* (/ (* 1 (cbrt a)) (- (sqrt (acos a)))) (cbrt a))
  (* (/ 1 (sqrt (acos a))) (cbrt a))
  (/ (sqrt a) (- (sqrt (acos a))))
  (* (sqrt a) (/ 1 (sqrt (acos a))))
  (/ 1 (- (sqrt (acos a))))
  (* (/ 1 (sqrt (acos a))) a)
  (/ 1 (- (sqrt (acos a))))
  (* (/ 1 (sqrt (acos a))) a)
  (/ 1 (- (sqrt (acos a))))
  (* (/ 1 (sqrt (acos a))) 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) (/ 1 (acos a)))
  (- (sqrt a))
  (/ (sqrt a) (acos a))
  -1
  (* (/ 1 (acos a)) a)
  (- (* (cbrt a) (cbrt a)))
  (* (cbrt a) (/ 1 (acos a)))
  (- (sqrt a))
  (/ (sqrt a) (acos a))
  -1
  (* (/ 1 (acos a)) a)
  (- (* (cbrt a) (cbrt a)))
  (* (cbrt a) (/ 1 (acos a)))
  (- (sqrt a))
  (/ (sqrt a) (acos a))
  -1
  (* (/ 1 (acos a)) a)
  -1
  (* (/ 1 (acos a)) a)
  -1
  (* (/ 1 (acos a)) a)
  (* (/ (/ 1 (cbrt (/ 1 a))) (cbrt (acos a))) (/ (/ 1 (cbrt (/ 1 a))) (cbrt (acos a))))
  (/ 1 (* (- (cbrt (acos a))) (cbrt (/ 1 a))))
  (/ (/ (/ 1 (cbrt (acos a))) (cbrt (acos a))) (sqrt (/ 1 a)))
  (/ 1 (- (* (sqrt (/ 1 a)) (cbrt (acos a)))))
  (/ (* (cbrt a) (cbrt a)) (* (cbrt (acos a)) (cbrt (acos a))))
  (* (/ 1 (- (cbrt (acos a)))) (cbrt a))
  (/ (sqrt a) (* (cbrt (acos a)) (cbrt (acos a))))
  (* (sqrt a) (/ 1 (- (cbrt (acos a)))))
  (/ (/ 1 (cbrt (acos a))) (cbrt (acos a)))
  (* (/ 1 (- (cbrt (acos a)))) a)
  (/ (* (cbrt a) (cbrt a)) (* (cbrt (acos a)) (cbrt (acos a))))
  (* (/ 1 (- (cbrt (acos a)))) (cbrt a))
  (/ (sqrt a) (* (cbrt (acos a)) (cbrt (acos a))))
  (* (sqrt a) (/ 1 (- (cbrt (acos a)))))
  (/ (/ 1 (cbrt (acos a))) (cbrt (acos a)))
  (* (/ 1 (- (cbrt (acos a)))) a)
  (/ (* (cbrt a) (cbrt a)) (* (cbrt (acos a)) (cbrt (acos a))))
  (* (/ 1 (- (cbrt (acos a)))) (cbrt a))
  (/ (sqrt a) (* (cbrt (acos a)) (cbrt (acos a))))
  (* (sqrt a) (/ 1 (- (cbrt (acos a)))))
  (/ (/ 1 (cbrt (acos a))) (cbrt (acos a)))
  (* (/ 1 (- (cbrt (acos a)))) a)
  (/ (/ 1 (cbrt (acos a))) (cbrt (acos a)))
  (* (/ 1 (- (cbrt (acos a)))) a)
  (/ (/ 1 (cbrt (acos a))) (cbrt (acos a)))
  (* (/ 1 (- (cbrt (acos a)))) a)
  (/ 1 (* (cbrt (/ 1 a)) (* (cbrt (/ 1 a)) (sqrt (acos a)))))
  (/ (/ 1 (cbrt (/ 1 a))) (- (sqrt (acos a))))
  (/ (/ 1 (sqrt (/ 1 a))) (sqrt (acos a)))
  (/ 1 (- (* (sqrt (/ 1 a)) (sqrt (acos a)))))
  (/ (* (cbrt a) (cbrt a)) (sqrt (acos a)))
  (/ (* 1 (cbrt a)) (- (sqrt (acos a))))
  (* (sqrt a) (/ 1 (sqrt (acos a))))
  (/ (sqrt a) (- (sqrt (acos a))))
  (/ 1 (sqrt (acos a)))
  (/ (* 1 a) (- (sqrt (acos a))))
  (/ (* (cbrt a) (cbrt a)) (sqrt (acos a)))
  (/ (* 1 (cbrt a)) (- (sqrt (acos a))))
  (* (sqrt a) (/ 1 (sqrt (acos a))))
  (/ (sqrt a) (- (sqrt (acos a))))
  (/ 1 (sqrt (acos a)))
  (/ (* 1 a) (- (sqrt (acos a))))
  (/ (* (cbrt a) (cbrt a)) (sqrt (acos a)))
  (/ (* 1 (cbrt a)) (- (sqrt (acos a))))
  (* (sqrt a) (/ 1 (sqrt (acos a))))
  (/ (sqrt a) (- (sqrt (acos a))))
  (/ 1 (sqrt (acos a)))
  (/ (* 1 a) (- (sqrt (acos a))))
  (/ 1 (sqrt (acos a)))
  (/ (* 1 a) (- (sqrt (acos a))))
  (/ 1 (sqrt (acos a)))
  (/ (* 1 a) (- (sqrt (acos a))))
  (/ 1 (* (cbrt (/ 1 a)) (cbrt (/ 1 a))))
  (/ (/ 1 (- (acos a))) (cbrt (/ 1 a)))
  (/ 1 (sqrt (/ 1 a)))
  (/ 1 (* (sqrt (/ 1 a)) (- (acos a))))
  (* (cbrt a) (cbrt a))
  (* (cbrt a) (/ 1 (- (acos a))))
  (sqrt a)
  (* (sqrt a) (/ 1 (- (acos a))))
  1
  (/ (* 1 a) (- (acos a)))
  (* (cbrt a) (cbrt a))
  (* (cbrt a) (/ 1 (- (acos a))))
  (sqrt a)
  (* (sqrt a) (/ 1 (- (acos a))))
  1
  (/ (* 1 a) (- (acos a)))
  (* (cbrt a) (cbrt a))
  (* (cbrt a) (/ 1 (- (acos a))))
  (sqrt a)
  (* (sqrt a) (/ 1 (- (acos a))))
  1
  (/ (* 1 a) (- (acos a)))
  1
  (/ (* 1 a) (- (acos a)))
  1
  (/ (* 1 a) (- (acos a)))
  (/ 1 (* (cbrt (/ 1 a)) (cbrt (/ 1 a))))
  (/ (/ 1 (- (acos a))) (cbrt (/ 1 a)))
  (/ 1 (sqrt (/ 1 a)))
  (/ 1 (* (sqrt (/ 1 a)) (- (acos a))))
  (* (cbrt a) (cbrt a))
  (* (cbrt a) (/ 1 (- (acos a))))
  (sqrt a)
  (* (sqrt a) (/ 1 (- (acos a))))
  1
  (/ (* 1 a) (- (acos a)))
  (* (cbrt a) (cbrt a))
  (* (cbrt a) (/ 1 (- (acos a))))
  (sqrt a)
  (* (sqrt a) (/ 1 (- (acos a))))
  1
  (/ (* 1 a) (- (acos a)))
  (* (cbrt a) (cbrt a))
  (* (cbrt a) (/ 1 (- (acos a))))
  (sqrt a)
  (* (sqrt a) (/ 1 (- (acos a))))
  1
  (/ (* 1 a) (- (acos a)))
  1
  (/ (* 1 a) (- (acos a)))
  1
  (/ (* 1 a) (- (acos a)))
  (/ 1 (* (cbrt (/ 1 a)) (cbrt (/ 1 a))))
  (/ (/ 1 (- (acos a))) (cbrt (/ 1 a)))
  (/ 1 (sqrt (/ 1 a)))
  (/ 1 (* (sqrt (/ 1 a)) (- (acos a))))
  (* (cbrt a) (cbrt a))
  (* (cbrt a) (/ 1 (- (acos a))))
  (sqrt a)
  (* (sqrt a) (/ 1 (- (acos a))))
  1
  (/ (* 1 a) (- (acos a)))
  (* (cbrt a) (cbrt a))
  (* (cbrt a) (/ 1 (- (acos a))))
  (sqrt a)
  (* (sqrt a) (/ 1 (- (acos a))))
  1
  (/ (* 1 a) (- (acos a)))
  (* (cbrt a) (cbrt a))
  (* (cbrt a) (/ 1 (- (acos a))))
  (sqrt a)
  (* (sqrt a) (/ 1 (- (acos a))))
  1
  (/ (* 1 a) (- (acos a)))
  1
  (/ (* 1 a) (- (acos a)))
  1
  (/ (* 1 a) (- (acos a)))
  a
  (/ (- (acos a)) a)
  (/ (/ 1 (* (cbrt (/ 1 a)) (cbrt (/ 1 a)))) (- (acos a)))
  (/ 1 (* (sqrt (/ 1 a)) (- (acos a))))
  (* (/ 1 (- (acos a))) (* (cbrt a) (cbrt a)))
  (* (sqrt a) (/ 1 (- (acos a))))
  (/ 1 (- (acos a)))
  (* (/ 1 (- (acos a))) (* (cbrt a) (cbrt a)))
  (* (sqrt a) (/ 1 (- (acos a))))
  (/ 1 (- (acos a)))
  (* (/ 1 (- (acos a))) (* (cbrt a) (cbrt a)))
  (* (sqrt a) (/ 1 (- (acos a))))
  (/ 1 (- (acos a)))
  (/ 1 (- (acos a)))
  (/ 1 (- (acos a)))
  (/ (/ 1 a) (cbrt (/ 1 (- (acos a)))))
  (/ (/ 1 a) (sqrt (/ 1 (- (acos a)))))
  (* (/ 1 a) (cbrt (- (acos a))))
  (* (/ 1 a) (sqrt (- (acos a))))
  (/ (- (acos a)) a)
  (* (/ 1 a) (acos a))
  (* (cbrt (acos a)) (/ 1 a))
  (* (/ 1 a) (sqrt (acos a)))
  (* (/ 1 a) (acos a))
  (- (* (cbrt (acos a)) (/ 1 a)))
  (- (* (/ 1 a) (sqrt (acos a))))
  (/ (- (acos a)) a)
  (* (/ 1 a) (cbrt (- (acos a))))
  (* (/ 1 a) (sqrt (- (acos a))))
  (/ (- (acos a)) a)
  (* (/ 1 a) (acos a))
  (* (cbrt (acos a)) (/ 1 a))
  (* (/ 1 a) (sqrt (acos a)))
  (* (/ 1 a) (acos a))
  (- (* (cbrt (acos a)) (/ 1 a)))
  (- (* (/ 1 a) (sqrt (acos a))))
  (/ (- (acos a)) a)
  (* (/ 1 a) (cbrt (- (acos a))))
  (* (/ 1 a) (sqrt (- (acos a))))
  (/ (- (acos a)) a)
  (* (/ 1 a) (acos a))
  (* (cbrt (acos a)) (/ 1 a))
  (* (/ 1 a) (sqrt (acos a)))
  (* (/ 1 a) (acos a))
  (- (* (cbrt (acos a)) (/ 1 a)))
  (- (* (/ 1 a) (sqrt (acos a))))
  (/ (- (acos a)) a)
  (/ (- (acos a)) a)
  (/ (- (acos a)) a)
  (/ 1 (- (acos a)))
  (/ (- (acos a)) a)
  (/ (- a) (acos a))
  (/ (- a) (acos a))
  (/ (- a) (acos a))
8.166 * * * [progress]: adding candidates to table
8.921 * * [progress]: iteration 4 / 4
8.921 * * * [progress]: picking best candidate
8.972 * * * * [pick]: Picked  #<alt (λ (a) (/ 1 (* (- (acos a)) (/ 1 a))))>
8.972 * * * [progress]: localizing error
8.982 * * * [progress]: generating rewritten candidates
8.982 * * * * [progress]: [ 1 / 2 ] rewriting at (2 2)
9.002 * * * * [progress]: [ 2 / 2 ] rewriting at (2)
9.032 * * * [progress]: generating series expansions
9.032 * * * * [progress]: [ 1 / 2 ] generating series at (2 2)
9.032 * [backup-simplify]: Simplify (* (- (acos a)) (/ 1 a)) into (* -1 (/ (acos a) a))
9.032 * [approximate]: Taking taylor expansion of (* -1 (/ (acos a) a)) in (a) around 0
9.032 * [taylor]: Taking taylor expansion of (* -1 (/ (acos a) a)) in a
9.032 * [taylor]: Taking taylor expansion of -1 in a
9.032 * [backup-simplify]: Simplify -1 into -1
9.032 * [taylor]: Taking taylor expansion of (/ (acos a) a) in a
9.032 * [taylor]: Taking taylor expansion of (acos a) in a
9.032 * [backup-simplify]: Simplify (acos a) into (acos a)
9.032 * [taylor]: Taking taylor expansion of a in a
9.032 * [backup-simplify]: Simplify 0 into 0
9.032 * [backup-simplify]: Simplify 1 into 1
9.032 * [backup-simplify]: Simplify (/ (acos a) 1) into (acos a)
9.032 * [taylor]: Taking taylor expansion of (* -1 (/ (acos a) a)) in a
9.033 * [taylor]: Taking taylor expansion of -1 in a
9.033 * [backup-simplify]: Simplify -1 into -1
9.033 * [taylor]: Taking taylor expansion of (/ (acos a) a) in a
9.033 * [taylor]: Taking taylor expansion of (acos a) in a
9.033 * [backup-simplify]: Simplify (acos a) into (acos a)
9.033 * [taylor]: Taking taylor expansion of a in a
9.033 * [backup-simplify]: Simplify 0 into 0
9.033 * [backup-simplify]: Simplify 1 into 1
9.033 * [backup-simplify]: Simplify (/ (acos a) 1) into (acos a)
9.033 * [backup-simplify]: Simplify (* -1 (acos a)) into (* -1 (acos a))
9.033 * [backup-simplify]: Simplify (* -1 (acos a)) into (* -1 (acos a))
9.034 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* (acos a) (/ 0 1)))) into 0
9.034 * [backup-simplify]: Simplify (+ (* -1 0) (* 0 (acos a))) into 0
9.034 * [backup-simplify]: Simplify 0 into 0
9.038 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* (acos a) (/ 0 1)) (* 0 (/ 0 1)))) into 0
9.038 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (* 0 (acos a)))) into 0
9.038 * [backup-simplify]: Simplify 0 into 0
9.040 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* (acos a) (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
9.040 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 0) (* 0 (acos a))))) into 0
9.040 * [backup-simplify]: Simplify 0 into 0
9.042 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* (acos a) (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
9.043 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (acos a)))))) into 0
9.043 * [backup-simplify]: Simplify 0 into 0
9.044 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* (acos a) (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
9.045 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (acos a))))))) into 0
9.045 * [backup-simplify]: Simplify 0 into 0
9.047 * [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
9.049 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (acos a)))))))) into 0
9.049 * [backup-simplify]: Simplify 0 into 0
9.049 * [backup-simplify]: Simplify (* (* -1 (acos a)) (/ 1 a)) into (* -1 (/ (acos a) a))
9.049 * [backup-simplify]: Simplify (* (- (acos (/ 1 a))) (/ 1 (/ 1 a))) into (* -1 (* a (acos (/ 1 a))))
9.049 * [approximate]: Taking taylor expansion of (* -1 (* a (acos (/ 1 a)))) in (a) around 0
9.049 * [taylor]: Taking taylor expansion of (* -1 (* a (acos (/ 1 a)))) in a
9.049 * [taylor]: Taking taylor expansion of -1 in a
9.049 * [backup-simplify]: Simplify -1 into -1
9.049 * [taylor]: Taking taylor expansion of (* a (acos (/ 1 a))) in a
9.049 * [taylor]: Taking taylor expansion of a in a
9.049 * [backup-simplify]: Simplify 0 into 0
9.049 * [backup-simplify]: Simplify 1 into 1
9.049 * [taylor]: Taking taylor expansion of (acos (/ 1 a)) in a
9.049 * [backup-simplify]: Simplify (acos (/ 1 a)) into (acos (/ 1 a))
9.049 * [taylor]: Taking taylor expansion of (* -1 (* a (acos (/ 1 a)))) in a
9.049 * [taylor]: Taking taylor expansion of -1 in a
9.049 * [backup-simplify]: Simplify -1 into -1
9.049 * [taylor]: Taking taylor expansion of (* a (acos (/ 1 a))) in a
9.049 * [taylor]: Taking taylor expansion of a in a
9.049 * [backup-simplify]: Simplify 0 into 0
9.049 * [backup-simplify]: Simplify 1 into 1
9.049 * [taylor]: Taking taylor expansion of (acos (/ 1 a)) in a
9.049 * [backup-simplify]: Simplify (acos (/ 1 a)) into (acos (/ 1 a))
9.049 * [backup-simplify]: Simplify (* 0 (acos (/ 1 a))) into 0
9.050 * [backup-simplify]: Simplify (* -1 0) into 0
9.050 * [backup-simplify]: Simplify 0 into 0
9.050 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 (acos (/ 1 a)))) into (acos (/ 1 a))
9.050 * [backup-simplify]: Simplify (+ (* -1 (acos (/ 1 a))) (* 0 0)) into (- (acos (/ 1 a)))
9.050 * [backup-simplify]: Simplify (- (acos (/ 1 a))) into (- (acos (/ 1 a)))
9.051 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (* 0 (acos (/ 1 a))))) into 0
9.051 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 (acos (/ 1 a))) (* 0 0))) into 0
9.051 * [backup-simplify]: Simplify 0 into 0
9.052 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (* 0 (acos (/ 1 a)))))) into 0
9.053 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 (acos (/ 1 a))) (* 0 0)))) into 0
9.053 * [backup-simplify]: Simplify 0 into 0
9.054 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 (acos (/ 1 a))))))) into 0
9.056 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 (acos (/ 1 a))) (* 0 0))))) into 0
9.056 * [backup-simplify]: Simplify 0 into 0
9.058 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (acos (/ 1 a)))))))) into 0
9.060 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 (acos (/ 1 a))) (* 0 0)))))) into 0
9.060 * [backup-simplify]: Simplify 0 into 0
9.062 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (acos (/ 1 a))))))))) into 0
9.065 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 (acos (/ 1 a))) (* 0 0))))))) into 0
9.065 * [backup-simplify]: Simplify 0 into 0
9.067 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (acos (/ 1 a)))))))))) into 0
9.070 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 (acos (/ 1 a))) (* 0 0)))))))) into 0
9.070 * [backup-simplify]: Simplify 0 into 0
9.070 * [backup-simplify]: Simplify (* (- (acos (/ 1 (/ 1 a)))) (/ 1 a)) into (* -1 (/ (acos a) a))
9.071 * [backup-simplify]: Simplify (* (- (acos (/ 1 (- a)))) (/ 1 (/ 1 (- a)))) into (* a (acos (/ -1 a)))
9.071 * [approximate]: Taking taylor expansion of (* a (acos (/ -1 a))) in (a) around 0
9.071 * [taylor]: Taking taylor expansion of (* a (acos (/ -1 a))) in a
9.071 * [taylor]: Taking taylor expansion of a in a
9.071 * [backup-simplify]: Simplify 0 into 0
9.071 * [backup-simplify]: Simplify 1 into 1
9.071 * [taylor]: Taking taylor expansion of (acos (/ -1 a)) in a
9.071 * [backup-simplify]: Simplify (acos (/ -1 a)) into (acos (/ -1 a))
9.071 * [taylor]: Taking taylor expansion of (* a (acos (/ -1 a))) in a
9.071 * [taylor]: Taking taylor expansion of a in a
9.071 * [backup-simplify]: Simplify 0 into 0
9.071 * [backup-simplify]: Simplify 1 into 1
9.071 * [taylor]: Taking taylor expansion of (acos (/ -1 a)) in a
9.071 * [backup-simplify]: Simplify (acos (/ -1 a)) into (acos (/ -1 a))
9.071 * [backup-simplify]: Simplify (* 0 (acos (/ -1 a))) into 0
9.071 * [backup-simplify]: Simplify 0 into 0
9.072 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 (acos (/ -1 a)))) into (acos (/ -1 a))
9.072 * [backup-simplify]: Simplify (acos (/ -1 a)) into (acos (/ -1 a))
9.073 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (* 0 (acos (/ -1 a))))) into 0
9.073 * [backup-simplify]: Simplify 0 into 0
9.074 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (* 0 (acos (/ -1 a)))))) into 0
9.074 * [backup-simplify]: Simplify 0 into 0
9.076 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 (acos (/ -1 a))))))) into 0
9.076 * [backup-simplify]: Simplify 0 into 0
9.078 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (acos (/ -1 a)))))))) into 0
9.078 * [backup-simplify]: Simplify 0 into 0
9.080 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (acos (/ -1 a))))))))) into 0
9.080 * [backup-simplify]: Simplify 0 into 0
9.083 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (acos (/ -1 a)))))))))) into 0
9.083 * [backup-simplify]: Simplify 0 into 0
9.083 * [backup-simplify]: Simplify (* (acos (/ -1 (/ 1 (- a)))) (/ 1 (- a))) into (* -1 (/ (acos a) a))
9.083 * * * * [progress]: [ 2 / 2 ] generating series at (2)
9.083 * [backup-simplify]: Simplify (/ 1 (* (- (acos a)) (/ 1 a))) into (* -1 (/ a (acos a)))
9.084 * [approximate]: Taking taylor expansion of (* -1 (/ a (acos a))) in (a) around 0
9.084 * [taylor]: Taking taylor expansion of (* -1 (/ a (acos a))) in a
9.084 * [taylor]: Taking taylor expansion of -1 in a
9.084 * [backup-simplify]: Simplify -1 into -1
9.084 * [taylor]: Taking taylor expansion of (/ a (acos a)) in a
9.084 * [taylor]: Taking taylor expansion of a in a
9.084 * [backup-simplify]: Simplify 0 into 0
9.084 * [backup-simplify]: Simplify 1 into 1
9.084 * [taylor]: Taking taylor expansion of (acos a) in a
9.084 * [backup-simplify]: Simplify (acos a) into (acos a)
9.084 * [backup-simplify]: Simplify (/ 1 (acos a)) into (/ 1 (acos a))
9.084 * [taylor]: Taking taylor expansion of (* -1 (/ a (acos a))) in a
9.084 * [taylor]: Taking taylor expansion of -1 in a
9.084 * [backup-simplify]: Simplify -1 into -1
9.084 * [taylor]: Taking taylor expansion of (/ a (acos a)) in a
9.084 * [taylor]: Taking taylor expansion of a in a
9.084 * [backup-simplify]: Simplify 0 into 0
9.084 * [backup-simplify]: Simplify 1 into 1
9.084 * [taylor]: Taking taylor expansion of (acos a) in a
9.084 * [backup-simplify]: Simplify (acos a) into (acos a)
9.084 * [backup-simplify]: Simplify (/ 1 (acos a)) into (/ 1 (acos a))
9.084 * [backup-simplify]: Simplify (* -1 (/ 1 (acos a))) into (/ -1 (acos a))
9.085 * [backup-simplify]: Simplify (/ -1 (acos a)) into (/ -1 (acos a))
9.085 * [backup-simplify]: Simplify (- (/ 0 (acos a)) (+ (* (/ 1 (acos a)) (/ 0 (acos a))))) into 0
9.085 * [backup-simplify]: Simplify (+ (* -1 0) (* 0 (/ 1 (acos a)))) into 0
9.085 * [backup-simplify]: Simplify 0 into 0
9.086 * [backup-simplify]: Simplify (- (/ 0 (acos a)) (+ (* (/ 1 (acos a)) (/ 0 (acos a))) (* 0 (/ 0 (acos a))))) into 0
9.087 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (* 0 (/ 1 (acos a))))) into 0
9.087 * [backup-simplify]: Simplify 0 into 0
9.087 * [backup-simplify]: Simplify (- (/ 0 (acos a)) (+ (* (/ 1 (acos a)) (/ 0 (acos a))) (* 0 (/ 0 (acos a))) (* 0 (/ 0 (acos a))))) into 0
9.088 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 0) (* 0 (/ 1 (acos a)))))) into 0
9.088 * [backup-simplify]: Simplify 0 into 0
9.089 * [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
9.091 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (/ 1 (acos a))))))) into 0
9.091 * [backup-simplify]: Simplify 0 into 0
9.091 * [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
9.093 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (/ 1 (acos a)))))))) into 0
9.093 * [backup-simplify]: Simplify 0 into 0
9.094 * [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
9.096 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (/ 1 (acos a))))))))) into 0
9.096 * [backup-simplify]: Simplify 0 into 0
9.096 * [backup-simplify]: Simplify (* (/ -1 (acos a)) a) into (* -1 (/ a (acos a)))
9.097 * [backup-simplify]: Simplify (/ 1 (* (- (acos (/ 1 a))) (/ 1 (/ 1 a)))) into (/ -1 (* a (acos (/ 1 a))))
9.097 * [approximate]: Taking taylor expansion of (/ -1 (* a (acos (/ 1 a)))) in (a) around 0
9.097 * [taylor]: Taking taylor expansion of (/ -1 (* a (acos (/ 1 a)))) in a
9.097 * [taylor]: Taking taylor expansion of -1 in a
9.097 * [backup-simplify]: Simplify -1 into -1
9.097 * [taylor]: Taking taylor expansion of (* a (acos (/ 1 a))) in a
9.097 * [taylor]: Taking taylor expansion of a in a
9.097 * [backup-simplify]: Simplify 0 into 0
9.097 * [backup-simplify]: Simplify 1 into 1
9.097 * [taylor]: Taking taylor expansion of (acos (/ 1 a)) in a
9.097 * [backup-simplify]: Simplify (acos (/ 1 a)) into (acos (/ 1 a))
9.097 * [backup-simplify]: Simplify (* 0 (acos (/ 1 a))) into 0
9.097 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 (acos (/ 1 a)))) into (acos (/ 1 a))
9.098 * [backup-simplify]: Simplify (/ -1 (acos (/ 1 a))) into (/ -1 (acos (/ 1 a)))
9.098 * [taylor]: Taking taylor expansion of (/ -1 (* a (acos (/ 1 a)))) in a
9.098 * [taylor]: Taking taylor expansion of -1 in a
9.098 * [backup-simplify]: Simplify -1 into -1
9.098 * [taylor]: Taking taylor expansion of (* a (acos (/ 1 a))) in a
9.098 * [taylor]: Taking taylor expansion of a in a
9.098 * [backup-simplify]: Simplify 0 into 0
9.098 * [backup-simplify]: Simplify 1 into 1
9.098 * [taylor]: Taking taylor expansion of (acos (/ 1 a)) in a
9.098 * [backup-simplify]: Simplify (acos (/ 1 a)) into (acos (/ 1 a))
9.098 * [backup-simplify]: Simplify (* 0 (acos (/ 1 a))) into 0
9.099 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 (acos (/ 1 a)))) into (acos (/ 1 a))
9.099 * [backup-simplify]: Simplify (/ -1 (acos (/ 1 a))) into (/ -1 (acos (/ 1 a)))
9.099 * [backup-simplify]: Simplify (/ -1 (acos (/ 1 a))) into (/ -1 (acos (/ 1 a)))
9.100 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (* 0 (acos (/ 1 a))))) into 0
9.100 * [backup-simplify]: Simplify (- (/ 0 (acos (/ 1 a))) (+ (* (/ -1 (acos (/ 1 a))) (/ 0 (acos (/ 1 a)))))) into 0
9.100 * [backup-simplify]: Simplify 0 into 0
9.101 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (* 0 (acos (/ 1 a)))))) into 0
9.102 * [backup-simplify]: Simplify (- (/ 0 (acos (/ 1 a))) (+ (* (/ -1 (acos (/ 1 a))) (/ 0 (acos (/ 1 a)))) (* 0 (/ 0 (acos (/ 1 a)))))) into 0
9.102 * [backup-simplify]: Simplify 0 into 0
9.103 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 (acos (/ 1 a))))))) into 0
9.104 * [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
9.104 * [backup-simplify]: Simplify 0 into 0
9.106 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (acos (/ 1 a)))))))) into 0
9.107 * [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
9.107 * [backup-simplify]: Simplify 0 into 0
9.109 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (acos (/ 1 a))))))))) into 0
9.110 * [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
9.110 * [backup-simplify]: Simplify 0 into 0
9.113 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (acos (/ 1 a)))))))))) into 0
9.114 * [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
9.114 * [backup-simplify]: Simplify 0 into 0
9.114 * [backup-simplify]: Simplify (* (/ -1 (acos (/ 1 (/ 1 a)))) (/ 1 (/ 1 a))) into (* -1 (/ a (acos a)))
9.114 * [backup-simplify]: Simplify (/ 1 (* (- (acos (/ 1 (- a)))) (/ 1 (/ 1 (- a))))) into (/ 1 (* a (acos (/ -1 a))))
9.114 * [approximate]: Taking taylor expansion of (/ 1 (* a (acos (/ -1 a)))) in (a) around 0
9.114 * [taylor]: Taking taylor expansion of (/ 1 (* a (acos (/ -1 a)))) in a
9.114 * [taylor]: Taking taylor expansion of (* a (acos (/ -1 a))) in a
9.114 * [taylor]: Taking taylor expansion of a in a
9.114 * [backup-simplify]: Simplify 0 into 0
9.114 * [backup-simplify]: Simplify 1 into 1
9.114 * [taylor]: Taking taylor expansion of (acos (/ -1 a)) in a
9.114 * [backup-simplify]: Simplify (acos (/ -1 a)) into (acos (/ -1 a))
9.114 * [backup-simplify]: Simplify (* 0 (acos (/ -1 a))) into 0
9.115 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 (acos (/ -1 a)))) into (acos (/ -1 a))
9.115 * [backup-simplify]: Simplify (/ 1 (acos (/ -1 a))) into (/ 1 (acos (/ -1 a)))
9.115 * [taylor]: Taking taylor expansion of (/ 1 (* a (acos (/ -1 a)))) in a
9.115 * [taylor]: Taking taylor expansion of (* a (acos (/ -1 a))) in a
9.115 * [taylor]: Taking taylor expansion of a in a
9.115 * [backup-simplify]: Simplify 0 into 0
9.115 * [backup-simplify]: Simplify 1 into 1
9.115 * [taylor]: Taking taylor expansion of (acos (/ -1 a)) in a
9.115 * [backup-simplify]: Simplify (acos (/ -1 a)) into (acos (/ -1 a))
9.116 * [backup-simplify]: Simplify (* 0 (acos (/ -1 a))) into 0
9.116 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 (acos (/ -1 a)))) into (acos (/ -1 a))
9.116 * [backup-simplify]: Simplify (/ 1 (acos (/ -1 a))) into (/ 1 (acos (/ -1 a)))
9.116 * [backup-simplify]: Simplify (/ 1 (acos (/ -1 a))) into (/ 1 (acos (/ -1 a)))
9.117 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (* 0 (acos (/ -1 a))))) into 0
9.117 * [backup-simplify]: Simplify (- (+ (* (/ 1 (acos (/ -1 a))) (/ 0 (acos (/ -1 a)))))) into 0
9.117 * [backup-simplify]: Simplify 0 into 0
9.119 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (* 0 (acos (/ -1 a)))))) into 0
9.119 * [backup-simplify]: Simplify (- (+ (* (/ 1 (acos (/ -1 a))) (/ 0 (acos (/ -1 a)))) (* 0 (/ 0 (acos (/ -1 a)))))) into 0
9.119 * [backup-simplify]: Simplify 0 into 0
9.121 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 (acos (/ -1 a))))))) into 0
9.121 * [backup-simplify]: Simplify (- (+ (* (/ 1 (acos (/ -1 a))) (/ 0 (acos (/ -1 a)))) (* 0 (/ 0 (acos (/ -1 a)))) (* 0 (/ 0 (acos (/ -1 a)))))) into 0
9.121 * [backup-simplify]: Simplify 0 into 0
9.123 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (acos (/ -1 a)))))))) into 0
9.124 * [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
9.124 * [backup-simplify]: Simplify 0 into 0
9.126 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (acos (/ -1 a))))))))) into 0
9.127 * [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
9.127 * [backup-simplify]: Simplify 0 into 0
9.130 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (acos (/ -1 a)))))))))) into 0
9.130 * [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
9.130 * [backup-simplify]: Simplify 0 into 0
9.131 * [backup-simplify]: Simplify (* (/ 1 (acos (/ -1 (/ 1 (- a))))) (/ 1 (/ 1 (- a)))) into (* -1 (/ a (acos a)))
9.131 * * * [progress]: simplifying candidates
9.133 * [simplify]: Simplifying:
  (* (- (acos a)) (/ 1 a))
  (+ (log (- (acos a))) (- (log a)))
  (+ (log (- (acos a))) (- 0 (log a)))
  (+ (log (- (acos a))) (- (log 1) (log a)))
  (+ (log (- (acos a))) (log (/ 1 a)))
  (log (* (- (acos a)) (/ 1 a)))
  (exp (* (- (acos a)) (/ 1 a)))
  (* (* (* (- (acos a)) (- (acos a))) (- (acos a))) (/ (* (* 1 1) 1) (* (* a a) a)))
  (* (* (* (- (acos a)) (- (acos a))) (- (acos a))) (* (* (/ 1 a) (/ 1 a)) (/ 1 a)))
  (* (cbrt (* (- (acos a)) (/ 1 a))) (cbrt (* (- (acos a)) (/ 1 a))))
  (cbrt (* (- (acos a)) (/ 1 a)))
  (* (* (* (- (acos a)) (/ 1 a)) (* (- (acos a)) (/ 1 a))) (* (- (acos a)) (/ 1 a)))
  (sqrt (* (- (acos a)) (/ 1 a)))
  (sqrt (* (- (acos a)) (/ 1 a)))
  (* (sqrt (- (acos a))) (sqrt (/ 1 a)))
  (* (sqrt (- (acos a))) (sqrt (/ 1 a)))
  (* (sqrt (- (acos a))) (/ (sqrt 1) (sqrt a)))
  (* (sqrt (- (acos a))) (/ (sqrt 1) (sqrt a)))
  (* (sqrt (- (acos a))) (/ 1 (sqrt a)))
  (* (sqrt (- (acos a))) (/ 1 (sqrt a)))
  (* (acos a) (/ 1 a))
  (* (- (acos a)) (* (cbrt (/ 1 a)) (cbrt (/ 1 a))))
  (* (- (acos a)) (sqrt (/ 1 a)))
  (* (- (acos a)) (/ (* (cbrt 1) (cbrt 1)) (* (cbrt a) (cbrt a))))
  (* (- (acos a)) (/ (* (cbrt 1) (cbrt 1)) (sqrt a)))
  (* (- (acos a)) (/ (* (cbrt 1) (cbrt 1)) 1))
  (* (- (acos a)) (/ (sqrt 1) (* (cbrt a) (cbrt a))))
  (* (- (acos a)) (/ (sqrt 1) (sqrt a)))
  (* (- (acos a)) (/ (sqrt 1) 1))
  (* (- (acos a)) (/ 1 (* (cbrt a) (cbrt a))))
  (* (- (acos a)) (/ 1 (sqrt a)))
  (* (- (acos a)) (/ 1 1))
  (* (- (acos a)) 1)
  (* (- (acos a)) 1)
  (* (cbrt (- (acos a))) (/ 1 a))
  (* (sqrt (- (acos a))) (/ 1 a))
  (* (- (acos a)) (/ 1 a))
  (* (acos a) (/ 1 a))
  (* (cbrt (acos a)) (/ 1 a))
  (* (sqrt (acos a)) (/ 1 a))
  (* (acos a) (/ 1 a))
  (* (- (cbrt (acos a))) (/ 1 a))
  (* (- (sqrt (acos a))) (/ 1 a))
  (* (- (acos a)) (/ 1 a))
  (* (- (acos a)) 1)
  (- 1)
  (- 1)
  (- (+ (log (- (acos a))) (- (log a))))
  (- (+ (log (- (acos a))) (- 0 (log a))))
  (- (+ (log (- (acos a))) (- (log 1) (log a))))
  (- (+ (log (- (acos a))) (log (/ 1 a))))
  (- (log (* (- (acos a)) (/ 1 a))))
  (- 0 (+ (log (- (acos a))) (- (log a))))
  (- 0 (+ (log (- (acos a))) (- 0 (log a))))
  (- 0 (+ (log (- (acos a))) (- (log 1) (log a))))
  (- 0 (+ (log (- (acos a))) (log (/ 1 a))))
  (- 0 (log (* (- (acos a)) (/ 1 a))))
  (- (log 1) (+ (log (- (acos a))) (- (log a))))
  (- (log 1) (+ (log (- (acos a))) (- 0 (log a))))
  (- (log 1) (+ (log (- (acos a))) (- (log 1) (log a))))
  (- (log 1) (+ (log (- (acos a))) (log (/ 1 a))))
  (- (log 1) (log (* (- (acos a)) (/ 1 a))))
  (log (/ 1 (* (- (acos a)) (/ 1 a))))
  (exp (/ 1 (* (- (acos a)) (/ 1 a))))
  (/ (* (* 1 1) 1) (* (* (* (- (acos a)) (- (acos a))) (- (acos a))) (/ (* (* 1 1) 1) (* (* a a) a))))
  (/ (* (* 1 1) 1) (* (* (* (- (acos a)) (- (acos a))) (- (acos a))) (* (* (/ 1 a) (/ 1 a)) (/ 1 a))))
  (/ (* (* 1 1) 1) (* (* (* (- (acos a)) (/ 1 a)) (* (- (acos a)) (/ 1 a))) (* (- (acos 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) (cbrt 1)) (- (acos a)))
  (/ (cbrt 1) (/ 1 a))
  (/ (sqrt 1) (- (acos a)))
  (/ (sqrt 1) (/ 1 a))
  (/ 1 (- (acos a)))
  (/ 1 (/ 1 a))
  (/ 1 (* (- (acos a)) (/ 1 a)))
  (/ (* (- (acos a)) (/ 1 a)) 1)
  (/ 1 (- (acos a)))
  (/ (* (- (acos a)) (/ 1 a)) (cbrt 1))
  (/ (* (- (acos a)) (/ 1 a)) (sqrt 1))
  (/ (* (- (acos a)) (/ 1 a)) 1)
  (/ 1 (- (acos a)))
  (/ 1 (* (- (acos a)) 1))
  (* -1 (/ (acos a) a))
  (* -1 (/ (acos a) a))
  (* -1 (/ (acos a) a))
  (* -1 (/ a (acos a)))
  (* -1 (/ a (acos a)))
  (* -1 (/ a (acos a)))
9.135 * * [simplify]: iteration 0: 125 enodes
9.208 * * [simplify]: iteration 1: 346 enodes
9.298 * * [simplify]: iteration 2: 889 enodes
10.139 * * [simplify]: iteration 3: 2544 enodes
10.841 * * [simplify]: iteration complete: 5066 enodes
10.841 * * [simplify]: Extracting #0: cost 32 inf + 0
10.843 * * [simplify]: Extracting #1: cost 813 inf + 2
10.850 * * [simplify]: Extracting #2: cost 1153 inf + 14235
10.880 * * [simplify]: Extracting #3: cost 463 inf + 174404
10.937 * * [simplify]: Extracting #4: cost 13 inf + 284594
11.009 * * [simplify]: Extracting #5: cost 1 inf + 288284
11.078 * * [simplify]: Extracting #6: cost 0 inf + 288817
11.143 * [simplify]: Simplified to:
  (- (/ (acos a) a))
  (log (- (/ (acos a) a)))
  (log (- (/ (acos a) a)))
  (log (- (/ (acos a) a)))
  (log (- (/ (acos a) a)))
  (log (- (/ (acos a) a)))
  (exp (- (/ (acos a) a)))
  (* (* (/ (acos a) a) (/ (acos a) a)) (- (/ (acos a) a)))
  (* (* (/ (acos a) a) (/ (acos a) a)) (- (/ (acos 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)))
  (* (sqrt (- (acos a))) (sqrt (/ 1 a)))
  (* (sqrt (- (acos a))) (sqrt (/ 1 a)))
  (/ (sqrt (- (acos a))) (sqrt a))
  (/ (sqrt (- (acos a))) (sqrt a))
  (/ (sqrt (- (acos a))) (sqrt a))
  (/ (sqrt (- (acos a))) (sqrt a))
  (/ (acos a) a)
  (* (cbrt (/ 1 a)) (* (cbrt (/ 1 a)) (- (acos a))))
  (* (sqrt (/ 1 a)) (- (acos a)))
  (/ (- (acos a)) (* (cbrt a) (cbrt a)))
  (/ (- (acos a)) (sqrt a))
  (- (acos a))
  (/ (- (acos a)) (* (cbrt a) (cbrt a)))
  (/ (- (acos a)) (sqrt a))
  (- (acos a))
  (/ (- (acos a)) (* (cbrt a) (cbrt a)))
  (/ (- (acos a)) (sqrt a))
  (- (acos a))
  (- (acos a))
  (- (acos a))
  (/ (cbrt (- (acos a))) a)
  (/ (sqrt (- (acos a))) a)
  (- (/ (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))
  -1
  -1
  (log (/ a (- (acos a))))
  (log (/ a (- (acos a))))
  (log (/ a (- (acos a))))
  (log (/ a (- (acos a))))
  (log (/ a (- (acos a))))
  (log (/ a (- (acos a))))
  (log (/ a (- (acos a))))
  (log (/ a (- (acos a))))
  (log (/ a (- (acos a))))
  (log (/ a (- (acos a))))
  (log (/ 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))))
  (* (* (/ a (- (acos a))) (/ a (- (acos a)))) (/ a (- (acos a))))
  (* (* (/ a (- (acos a))) (/ a (- (acos a)))) (/ a (- (acos a))))
  (* (* (/ a (- (acos a))) (/ a (- (acos a)))) (/ 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))))
  -1
  (/ (acos a) a)
  (/ 1 (- (acos a)))
  a
  (/ 1 (- (acos a)))
  a
  (/ 1 (- (acos a)))
  a
  (/ a (- (acos a)))
  (- (/ (acos a) a))
  (/ 1 (- (acos a)))
  (- (/ (acos a) a))
  (- (/ (acos a) a))
  (- (/ (acos a) a))
  (/ 1 (- (acos a)))
  (/ 1 (- (acos a)))
  (- (/ (acos a) a))
  (- (/ (acos a) a))
  (- (/ (acos a) a))
  (/ (- a) (acos a))
  (/ (- a) (acos a))
  (/ (- a) (acos a))
11.146 * * * [progress]: adding candidates to table
11.388 * [progress]: [Phase 3 of 3] Extracting.
11.388 * * [regime]: Finding splitpoints for: (#<alt (λ (a) (/ (/ 1 (* (cbrt (/ (- (acos a)) a)) (cbrt (/ (- (acos a)) a)))) (cbrt (/ (- (acos a)) a))))> #<alt (λ (a) (/ 1 (* (- (acos a)) (/ 1 a))))> #<alt (λ (a) (/ 1 (/ (/ (- (acos a)) (sqrt a)) (sqrt a))))> #<alt (λ (a) (/ a (- (acos a))))> #<alt (λ (a) (* (/ -1 (sqrt (/ 1 a))) (/ (/ 1 (acos a)) (sqrt (/ 1 a)))))> #<alt (λ (a) (/ 1 (/ (- (acos a)) a)))> #<alt (λ (a) (/ 1 (* (* (cbrt (* (- (acos a)) (/ 1 a))) (cbrt (* (- (acos a)) (/ 1 a)))) (cbrt (* (- (acos a)) (/ 1 a))))))> #<alt (λ (a) (/ (/ 1 (- (acos a))) (/ 1 a)))> #<alt (λ (a) (/ 1 (* (sqrt (/ (- (acos a)) a)) (sqrt (/ (- (acos a)) a)))))> #<alt (λ (a) (* (* (/ (cbrt (/ 1 (- (acos a)))) (cbrt (/ 1 a))) (/ (cbrt (/ 1 (- (acos a)))) (cbrt (/ 1 a)))) (/ (cbrt (/ 1 (- (acos a)))) (cbrt (/ 1 a)))))> #<alt (λ (a) (* (* (/ (cbrt a) (cbrt (- (acos a)))) (/ (cbrt a) (cbrt (- (acos a))))) (* (cbrt a) (/ 1 (cbrt (- (acos a)))))))> #<alt (λ (a) (* (* (/ (/ 1 (cbrt (/ 1 a))) (cbrt (acos a))) (/ (/ 1 (cbrt (/ 1 a))) (cbrt (acos a)))) (/ (/ 1 (- (cbrt (acos a)))) (cbrt (/ 1 a)))))>)
11.390 * * * [regime-changes]: Trying 2 branch expressions: ((/ a (- (acos a))) a)
11.390 * * * * [regimes]: Trying to branch on (/ a (- (acos a))) from (#<alt (λ (a) (/ (/ 1 (* (cbrt (/ (- (acos a)) a)) (cbrt (/ (- (acos a)) a)))) (cbrt (/ (- (acos a)) a))))> #<alt (λ (a) (/ 1 (* (- (acos a)) (/ 1 a))))> #<alt (λ (a) (/ 1 (/ (/ (- (acos a)) (sqrt a)) (sqrt a))))> #<alt (λ (a) (/ a (- (acos a))))> #<alt (λ (a) (* (/ -1 (sqrt (/ 1 a))) (/ (/ 1 (acos a)) (sqrt (/ 1 a)))))> #<alt (λ (a) (/ 1 (/ (- (acos a)) a)))> #<alt (λ (a) (/ 1 (* (* (cbrt (* (- (acos a)) (/ 1 a))) (cbrt (* (- (acos a)) (/ 1 a)))) (cbrt (* (- (acos a)) (/ 1 a))))))> #<alt (λ (a) (/ (/ 1 (- (acos a))) (/ 1 a)))> #<alt (λ (a) (/ 1 (* (sqrt (/ (- (acos a)) a)) (sqrt (/ (- (acos a)) a)))))> #<alt (λ (a) (* (* (/ (cbrt (/ 1 (- (acos a)))) (cbrt (/ 1 a))) (/ (cbrt (/ 1 (- (acos a)))) (cbrt (/ 1 a)))) (/ (cbrt (/ 1 (- (acos a)))) (cbrt (/ 1 a)))))> #<alt (λ (a) (* (* (/ (cbrt a) (cbrt (- (acos a)))) (/ (cbrt a) (cbrt (- (acos a))))) (* (cbrt a) (/ 1 (cbrt (- (acos a)))))))> #<alt (λ (a) (* (* (/ (/ 1 (cbrt (/ 1 a))) (cbrt (acos a))) (/ (/ 1 (cbrt (/ 1 a))) (cbrt (acos a)))) (/ (/ 1 (- (cbrt (acos a)))) (cbrt (/ 1 a)))))>)
11.455 * * * * [regimes]: Trying to branch on a from (#<alt (λ (a) (/ (/ 1 (* (cbrt (/ (- (acos a)) a)) (cbrt (/ (- (acos a)) a)))) (cbrt (/ (- (acos a)) a))))> #<alt (λ (a) (/ 1 (* (- (acos a)) (/ 1 a))))> #<alt (λ (a) (/ 1 (/ (/ (- (acos a)) (sqrt a)) (sqrt a))))> #<alt (λ (a) (/ a (- (acos a))))> #<alt (λ (a) (* (/ -1 (sqrt (/ 1 a))) (/ (/ 1 (acos a)) (sqrt (/ 1 a)))))> #<alt (λ (a) (/ 1 (/ (- (acos a)) a)))> #<alt (λ (a) (/ 1 (* (* (cbrt (* (- (acos a)) (/ 1 a))) (cbrt (* (- (acos a)) (/ 1 a)))) (cbrt (* (- (acos a)) (/ 1 a))))))> #<alt (λ (a) (/ (/ 1 (- (acos a))) (/ 1 a)))> #<alt (λ (a) (/ 1 (* (sqrt (/ (- (acos a)) a)) (sqrt (/ (- (acos a)) a)))))> #<alt (λ (a) (* (* (/ (cbrt (/ 1 (- (acos a)))) (cbrt (/ 1 a))) (/ (cbrt (/ 1 (- (acos a)))) (cbrt (/ 1 a)))) (/ (cbrt (/ 1 (- (acos a)))) (cbrt (/ 1 a)))))> #<alt (λ (a) (* (* (/ (cbrt a) (cbrt (- (acos a)))) (/ (cbrt a) (cbrt (- (acos a))))) (* (cbrt a) (/ 1 (cbrt (- (acos a)))))))> #<alt (λ (a) (* (* (/ (/ 1 (cbrt (/ 1 a))) (cbrt (acos a))) (/ (/ 1 (cbrt (/ 1 a))) (cbrt (acos a)))) (/ (/ 1 (- (cbrt (acos a)))) (cbrt (/ 1 a)))))>)
11.520 * * * [regime]: Found split indices: #<option (#s(si 3 255))>
11.520 * [simplify]: Simplifying:
  (/ a (- (acos a)))
11.520 * * [simplify]: iteration 0: 4 enodes
11.520 * * [simplify]: iteration complete: 4 enodes
11.520 * * [simplify]: Extracting #0: cost 1 inf + 0
11.520 * * [simplify]: Extracting #1: cost 3 inf + 0
11.520 * * [simplify]: Extracting #2: cost 3 inf + 1
11.520 * * [simplify]: Extracting #3: cost 0 inf + 394
11.520 * [simplify]: Simplified to:
  (/ a (- (acos a)))
13.772 * [regime-testing]: Baseline error score: 0.25153144143017875
13.789 * [regime-testing]: Oracle error score: 0.043005375671958994
13.812 * [regime-testing]: End program error score: 0.25153144143017875