9.426 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.161 * * * [progress]: [2/2] Setting up program.
0.166 * [progress]: [Phase 2 of 3] Improving.
0.166 * [simplify]: Simplifying:
  (/ (tan (/ x (* y 2.0))) (sin (/ x (* y 2.0))))
0.166 * * [simplify]: Extracting # 0 : cost  0
0.166 * * [simplify]: Extracting # 1 : cost  0
0.166 * * [simplify]: Extracting # 2 : cost  0
0.166 * * [simplify]: Extracting # 3 : cost  0
0.166 * * [simplify]: Extracting # 4 : cost  0
0.166 * * [simplify]: Extracting # 5 : cost  0
0.166 * * [simplify]: Extracting # 6 : cost  0
0.166 * * [simplify]: iteration  0 :  8  enodes  (cost  13 )
0.169 * * [simplify]: Extracting # 0 : cost  0
0.169 * * [simplify]: Extracting # 1 : cost  0
0.169 * * [simplify]: Extracting # 2 : cost  0
0.169 * * [simplify]: iteration  1 :  11  enodes  (cost  13 )
0.172 * * [simplify]: Extracting # 0 : cost  0
0.172 * * [simplify]: Extracting # 1 : cost  0
0.172 * * [simplify]: Extracting # 2 : cost  0
0.172 * * [simplify]: iteration  2 :  13  enodes  (cost  13 )
0.176 * * [simplify]: Extracting # 0 : cost  0
0.176 * * [simplify]: iteration done:  13  enodes  (cost  13 )
0.176 * [simplify]: Simplified to:
  (/ (tan (/ x (* y 2.0))) (sin (/ x (* y 2.0))))
0.177 * * [progress]: iteration 1 / 4
0.177 * * * [progress]: picking best candidate
0.181 * * * * [pick]: Picked  #<alt (λ (x y) (/ (tan (/ x (* y 2.0))) (sin (/ x (* y 2.0)))))>
0.181 * * * [progress]: localizing error
0.203 * * * [progress]: generating rewritten candidates
0.203 * * * * [progress]: [ 1 / 3 ] rewriting at (2 1)
0.211 * * * * [progress]: [ 2 / 3 ] rewriting at (2 2)
0.221 * * * * [progress]: [ 3 / 3 ] rewriting at (2)
0.247 * * * [progress]: generating series expansions
0.247 * * * * [progress]: [ 1 / 3 ] generating series at (2 1)
0.247 * [backup-simplify]: Simplify (tan (/ x (* y 2.0))) into (tan (* 0.5 (/ x y)))
0.247 * [approximate]: Taking taylor expansion of (tan (* 0.5 (/ x y))) in (x y) around 0
0.247 * [taylor]: Taking taylor expansion of (tan (* 0.5 (/ x y))) in y
0.247 * [taylor]: Rewrote expression to (/ (sin (* 0.5 (/ x y))) (cos (* 0.5 (/ x y))))
0.247 * [taylor]: Taking taylor expansion of (sin (* 0.5 (/ x y))) in y
0.247 * [taylor]: Taking taylor expansion of (* 0.5 (/ x y)) in y
0.248 * [taylor]: Taking taylor expansion of 0.5 in y
0.248 * [backup-simplify]: Simplify 0.5 into 0.5
0.248 * [taylor]: Taking taylor expansion of (/ x y) in y
0.248 * [taylor]: Taking taylor expansion of x in y
0.248 * [backup-simplify]: Simplify x into x
0.248 * [taylor]: Taking taylor expansion of y in y
0.248 * [backup-simplify]: Simplify 0 into 0
0.248 * [backup-simplify]: Simplify 1 into 1
0.248 * [backup-simplify]: Simplify (/ x 1) into x
0.248 * [backup-simplify]: Simplify (* 0.5 x) into (* 0.5 x)
0.248 * [backup-simplify]: Simplify (sin (* 0.5 (/ x y))) into (sin (* 0.5 (/ x y)))
0.248 * [taylor]: Taking taylor expansion of (cos (* 0.5 (/ x y))) in y
0.248 * [taylor]: Taking taylor expansion of (* 0.5 (/ x y)) in y
0.248 * [taylor]: Taking taylor expansion of 0.5 in y
0.248 * [backup-simplify]: Simplify 0.5 into 0.5
0.248 * [taylor]: Taking taylor expansion of (/ x y) in y
0.248 * [taylor]: Taking taylor expansion of x in y
0.248 * [backup-simplify]: Simplify x into x
0.248 * [taylor]: Taking taylor expansion of y in y
0.248 * [backup-simplify]: Simplify 0 into 0
0.248 * [backup-simplify]: Simplify 1 into 1
0.248 * [backup-simplify]: Simplify (/ x 1) into x
0.248 * [backup-simplify]: Simplify (* 0.5 x) into (* 0.5 x)
0.249 * [backup-simplify]: Simplify (cos (* 0.5 (/ x y))) into (cos (* 0.5 (/ x y)))
0.249 * [backup-simplify]: Simplify (/ (sin (* 0.5 (/ x y))) (cos (* 0.5 (/ x y)))) into (/ (sin (* 0.5 (/ x y))) (cos (* 0.5 (/ x y))))
0.249 * [taylor]: Taking taylor expansion of (tan (* 0.5 (/ x y))) in x
0.249 * [taylor]: Rewrote expression to (/ (sin (* 0.5 (/ x y))) (cos (* 0.5 (/ x y))))
0.249 * [taylor]: Taking taylor expansion of (sin (* 0.5 (/ x y))) in x
0.249 * [taylor]: Taking taylor expansion of (* 0.5 (/ x y)) in x
0.249 * [taylor]: Taking taylor expansion of 0.5 in x
0.249 * [backup-simplify]: Simplify 0.5 into 0.5
0.249 * [taylor]: Taking taylor expansion of (/ x y) in x
0.249 * [taylor]: Taking taylor expansion of x in x
0.249 * [backup-simplify]: Simplify 0 into 0
0.249 * [backup-simplify]: Simplify 1 into 1
0.249 * [taylor]: Taking taylor expansion of y in x
0.249 * [backup-simplify]: Simplify y into y
0.249 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
0.249 * [backup-simplify]: Simplify (* 0.5 (/ 1 y)) into (/ 0.5 y)
0.249 * [taylor]: Taking taylor expansion of (cos (* 0.5 (/ x y))) in x
0.249 * [taylor]: Taking taylor expansion of (* 0.5 (/ x y)) in x
0.249 * [taylor]: Taking taylor expansion of 0.5 in x
0.250 * [backup-simplify]: Simplify 0.5 into 0.5
0.250 * [taylor]: Taking taylor expansion of (/ x y) in x
0.250 * [taylor]: Taking taylor expansion of x in x
0.250 * [backup-simplify]: Simplify 0 into 0
0.250 * [backup-simplify]: Simplify 1 into 1
0.250 * [taylor]: Taking taylor expansion of y in x
0.250 * [backup-simplify]: Simplify y into y
0.250 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
0.250 * [backup-simplify]: Simplify (* 0.5 (/ 1 y)) into (/ 0.5 y)
0.250 * [backup-simplify]: Simplify (+ (* 1 (/ (pow (/ 0.5 y) 1) 1))) into (* 0.5 (/ 1 y))
0.250 * [backup-simplify]: Simplify (/ (* 0.5 (/ 1 y)) 1) into (/ 0.5 y)
0.250 * [taylor]: Taking taylor expansion of (tan (* 0.5 (/ x y))) in x
0.250 * [taylor]: Rewrote expression to (/ (sin (* 0.5 (/ x y))) (cos (* 0.5 (/ x y))))
0.250 * [taylor]: Taking taylor expansion of (sin (* 0.5 (/ x y))) in x
0.250 * [taylor]: Taking taylor expansion of (* 0.5 (/ x y)) in x
0.250 * [taylor]: Taking taylor expansion of 0.5 in x
0.250 * [backup-simplify]: Simplify 0.5 into 0.5
0.250 * [taylor]: Taking taylor expansion of (/ x y) in x
0.251 * [taylor]: Taking taylor expansion of x in x
0.251 * [backup-simplify]: Simplify 0 into 0
0.251 * [backup-simplify]: Simplify 1 into 1
0.251 * [taylor]: Taking taylor expansion of y in x
0.251 * [backup-simplify]: Simplify y into y
0.279 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
0.279 * [backup-simplify]: Simplify (* 0.5 (/ 1 y)) into (/ 0.5 y)
0.279 * [taylor]: Taking taylor expansion of (cos (* 0.5 (/ x y))) in x
0.279 * [taylor]: Taking taylor expansion of (* 0.5 (/ x y)) in x
0.279 * [taylor]: Taking taylor expansion of 0.5 in x
0.279 * [backup-simplify]: Simplify 0.5 into 0.5
0.279 * [taylor]: Taking taylor expansion of (/ x y) in x
0.279 * [taylor]: Taking taylor expansion of x in x
0.279 * [backup-simplify]: Simplify 0 into 0
0.279 * [backup-simplify]: Simplify 1 into 1
0.279 * [taylor]: Taking taylor expansion of y in x
0.279 * [backup-simplify]: Simplify y into y
0.279 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
0.279 * [backup-simplify]: Simplify (* 0.5 (/ 1 y)) into (/ 0.5 y)
0.280 * [backup-simplify]: Simplify (+ (* 1 (/ (pow (/ 0.5 y) 1) 1))) into (* 0.5 (/ 1 y))
0.280 * [backup-simplify]: Simplify (/ (* 0.5 (/ 1 y)) 1) into (/ 0.5 y)
0.280 * [taylor]: Taking taylor expansion of (/ 0.5 y) in y
0.280 * [taylor]: Taking taylor expansion of 0.5 in y
0.280 * [backup-simplify]: Simplify 0.5 into 0.5
0.280 * [taylor]: Taking taylor expansion of y in y
0.280 * [backup-simplify]: Simplify 0 into 0
0.280 * [backup-simplify]: Simplify 1 into 1
0.281 * [backup-simplify]: Simplify (/ 0.5 1) into 0.5
0.282 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 0.5 (/ 0 1)))) into 0
0.282 * [backup-simplify]: Simplify 0 into 0
0.282 * [backup-simplify]: Simplify (- (/ 0 y) (+ (* (/ 1 y) (/ 0 y)))) into 0
0.282 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 (/ 1 y))) into 0
0.283 * [backup-simplify]: Simplify (+ 0 (* 1 (/ (pow 0 1) 1))) into 0
0.284 * [backup-simplify]: Simplify (+ 0) into 0
0.285 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* (/ 0.5 y) (/ 0 1)))) into 0
0.285 * [taylor]: Taking taylor expansion of 0 in y
0.285 * [backup-simplify]: Simplify 0 into 0
0.285 * [backup-simplify]: Simplify 0 into 0
0.286 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 0.5 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.286 * [backup-simplify]: Simplify 0 into 0
0.286 * [backup-simplify]: Simplify (- (/ 0 y) (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0
0.287 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 (/ 1 y)))) into 0