0.471 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.046 * * * [progress]: [2/2] Setting up program.
0.049 * [progress]: [Phase 2 of 3] Improving.
0.050 * [simplify]: Simplifying:
  (- (/ 1.0 (+ x 1.0)) (/ 1.0 (- x 1.0)))
0.050 * * [simplify]: Extracting # 0 : cost  0
0.050 * * [simplify]: Extracting # 1 : cost  0
0.050 * * [simplify]: Extracting # 2 : cost  0
0.050 * * [simplify]: Extracting # 3 : cost  0
0.050 * * [simplify]: Extracting # 4 : cost  0
0.050 * * [simplify]: Extracting # 5 : cost  0
0.050 * * [simplify]: iteration  0 :  7  enodes  (cost  11 )
0.053 * * [simplify]: Extracting # 0 : cost  0
0.053 * * [simplify]: Extracting # 1 : cost  0
0.053 * * [simplify]: Extracting # 2 : cost  0
0.053 * * [simplify]: iteration  1 :  12  enodes  (cost  11 )
0.057 * * [simplify]: Extracting # 0 : cost  0
0.057 * * [simplify]: iteration  2 :  15  enodes  (cost  11 )
0.060 * * [simplify]: Extracting # 0 : cost  0
0.061 * * [simplify]: iteration done:  15  enodes  (cost  11 )
0.061 * [simplify]: Simplified to:
  (- (/ 1.0 (+ x 1.0)) (/ 1.0 (- x 1.0)))
0.061 * * [progress]: iteration 1 / 4
0.061 * * * [progress]: picking best candidate
0.062 * * * * [pick]: Picked  #<alt (λ (x) (- (/ 1.0 (+ x 1.0)) (/ 1.0 (- x 1.0))))>
0.062 * * * [progress]: localizing error
0.071 * * * [progress]: generating rewritten candidates
0.071 * * * * [progress]: [ 1 / 3 ] rewriting at (2)
0.217 * * * * [progress]: [ 2 / 3 ] rewriting at (2 1)
0.239 * * * * [progress]: [ 3 / 3 ] rewriting at (2 2)
0.263 * * * [progress]: generating series expansions
0.263 * * * * [progress]: [ 1 / 3 ] generating series at (2)
0.263 * [backup-simplify]: Simplify (- (/ 1.0 (+ x 1.0)) (/ 1.0 (- x 1.0))) into (- (* 1.0 (/ 1 (+ x 1.0))) (* 1.0 (/ 1 (- x 1.0))))
0.263 * [approximate]: Taking taylor expansion of (- (* 1.0 (/ 1 (+ x 1.0))) (* 1.0 (/ 1 (- x 1.0)))) in (x) around 0
0.263 * [taylor]: Taking taylor expansion of (- (* 1.0 (/ 1 (+ x 1.0))) (* 1.0 (/ 1 (- x 1.0)))) in x
0.263 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 (+ x 1.0))) in x
0.263 * [taylor]: Taking taylor expansion of 1.0 in x
0.263 * [backup-simplify]: Simplify 1.0 into 1.0
0.263 * [taylor]: Taking taylor expansion of (/ 1 (+ x 1.0)) in x
0.263 * [taylor]: Taking taylor expansion of (+ x 1.0) in x
0.263 * [taylor]: Taking taylor expansion of x in x
0.263 * [backup-simplify]: Simplify 0 into 0
0.263 * [backup-simplify]: Simplify 1 into 1
0.263 * [taylor]: Taking taylor expansion of 1.0 in x
0.263 * [backup-simplify]: Simplify 1.0 into 1.0
0.264 * [backup-simplify]: Simplify (+ 0 1.0) into 1.0
0.264 * [backup-simplify]: Simplify (/ 1 1.0) into 1.0
0.264 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 (- x 1.0))) in x
0.264 * [taylor]: Taking taylor expansion of 1.0 in x
0.264 * [backup-simplify]: Simplify 1.0 into 1.0
0.264 * [taylor]: Taking taylor expansion of (/ 1 (- x 1.0)) in x
0.264 * [taylor]: Taking taylor expansion of (- x 1.0) in x
0.264 * [taylor]: Taking taylor expansion of x in x
0.265 * [backup-simplify]: Simplify 0 into 0
0.265 * [backup-simplify]: Simplify 1 into 1
0.265 * [taylor]: Taking taylor expansion of 1.0 in x
0.265 * [backup-simplify]: Simplify 1.0 into 1.0
0.265 * [backup-simplify]: Simplify (- 1.0) into (- 1.0)
0.265 * [backup-simplify]: Simplify (+ 0 (- 1.0)) into (- 1.0)
0.266 * [backup-simplify]: Simplify (/ 1 (- 1.0)) into -1.0
0.266 * [taylor]: Taking taylor expansion of (- (* 1.0 (/ 1 (+ x 1.0))) (* 1.0 (/ 1 (- x 1.0)))) in x
0.266 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 (+ x 1.0))) in x
0.266 * [taylor]: Taking taylor expansion of 1.0 in x
0.266 * [backup-simplify]: Simplify 1.0 into 1.0
0.266 * [taylor]: Taking taylor expansion of (/ 1 (+ x 1.0)) in x
0.266 * [taylor]: Taking taylor expansion of (+ x 1.0) in x
0.266 * [taylor]: Taking taylor expansion of x in x
0.266 * [backup-simplify]: Simplify 0 into 0
0.266 * [backup-simplify]: Simplify 1 into 1
0.266 * [taylor]: Taking taylor expansion of 1.0 in x
0.266 * [backup-simplify]: Simplify 1.0 into 1.0
0.266 * [backup-simplify]: Simplify (+ 0 1.0) into 1.0
0.267 * [backup-simplify]: Simplify (/ 1 1.0) into 1.0
0.267 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 (- x 1.0))) in x
0.267 * [taylor]: Taking taylor expansion of 1.0 in x
0.267 * [backup-simplify]: Simplify 1.0 into 1.0
0.267 * [taylor]: Taking taylor expansion of (/ 1 (- x 1.0)) in x
0.267 * [taylor]: Taking taylor expansion of (- x 1.0) in x
0.267 * [taylor]: Taking taylor expansion of x in x
0.267 * [backup-simplify]: Simplify 0 into 0
0.267 * [backup-simplify]: Simplify 1 into 1
0.267 * [taylor]: Taking taylor expansion of 1.0 in x
0.267 * [backup-simplify]: Simplify 1.0 into 1.0
0.267 * [backup-simplify]: Simplify (- 1.0) into (- 1.0)
0.268 * [backup-simplify]: Simplify (+ 0 (- 1.0)) into (- 1.0)
0.268 * [backup-simplify]: Simplify (/ 1 (- 1.0)) into -1.0
0.269 * [backup-simplify]: Simplify (* 1.0 1.0) into 1.0
0.269 * [backup-simplify]: Simplify (* 1.0 -1.0) into -1.0
0.269 * [backup-simplify]: Simplify (- -1.0) into 1.0
0.269 * [backup-simplify]: Simplify (+ 1.0 1.0) into 2.0
0.269 * [backup-simplify]: Simplify 2.0 into 2.0
0.270 * [backup-simplify]: Simplify (+ 1 0) into 1
0.271 * [backup-simplify]: Simplify (- (+ (* 1.0 (/ 1 1.0)))) into (- 1.0)
0.272 * [backup-simplify]: Simplify (+ (* 1.0 (- 1.0)) (* 0 1.0)) into (- 1.0)
0.272 * [backup-simplify]: Simplify (- 0) into 0
0.273 * [backup-simplify]: Simplify (+ 1 0) into 1
0.275 * [backup-simplify]: Simplify (- (+ (* -1.0 (/ 1 (- 1.0))))) into (- 1.0)
0.276 * [backup-simplify]: Simplify (+ (* 1.0 (- 1.0)) (* 0 -1.0)) into (- 1.0)
0.276 * [backup-simplify]: Simplify (- (- 1.0)) into 1.0
0.277 * [backup-simplify]: Simplify (+ (- 1.0) 1.0) into 0
0.277 * [backup-simplify]: Simplify 0 into 0
0.277 * [backup-simplify]: Simplify (+ 0 0) into 0
0.280 * [backup-simplify]: Simplify (- (+ (* 1.0 (/ 0 1.0)) (* (- 1.0) (/ 1 1.0)))) into 1.0
0.281 * [backup-simplify]: Simplify (+ (* 1.0 1.0) (+ (* 0 (- 1.0)) (* 0 1.0))) into 1.0
0.281 * [backup-simplify]: Simplify (- 0) into 0
0.281 * [backup-simplify]: Simplify (+ 0 0) into 0
0.284 * [backup-simplify]: Simplify (- (+ (* -1.0 (/ 0 (- 1.0))) (* (- 1.0) (/ 1 (- 1.0))))) into (- 1.0)
0.286 * [backup-simplify]: Simplify (+ (* 1.0 (- 1.0)) (+ (* 0 (- 1.0)) (* 0 -1.0))) into (- 1.0)
0.286 * [backup-simplify]: Simplify (- (- 1.0)) into 1.0
0.286 * [backup-simplify]: Simplify (+ 1.0 1.0) into 2.0
0.286 * [backup-simplify]: Simplify 2.0 into 2.0
0.287 * [backup-simplify]: Simplify (+ 0 0) into 0
0.289 * [backup-simplify]: Simplify (- (+ (* 1.0 (/ 0 1.0)) (* (- 1.0) (/ 0 1.0)) (* 1.0 (/ 1 1.0)))) into (- 1.0)
0.291 * [backup-simplify]: Simplify (+ (* 1.0 (- 1.0)) (+ (* 0 1.0) (+ (* 0 (- 1.0)) (* 0 1.0)))) into (- 1.0)
0.291 * [backup-simplify]: Simplify (- 0) into 0
0.292 * [backup-simplify]: Simplify (+ 0 0) into 0
0.295 * [backup-simplify]: Simplify (- (+ (* -1.0 (/ 0 (- 1.0))) (* (- 1.0) (/ 0 (- 1.0))) (* (- 1.0) (/ 1 (- 1.0))))) into (- 1.0)
0.297 * [backup-simplify]: Simplify (+ (* 1.0 (- 1.0)) (+ (* 0 (- 1.0)) (+ (* 0 (- 1.0)) (* 0 -1.0)))) into (- 1.0)
0.298 * [backup-simplify]: Simplify (- (- 1.0)) into 1.0
0.298 * [backup-simplify]: Simplify (+ (- 1.0) 1.0) into 0
0.298 * [backup-simplify]: Simplify 0 into 0
0.299 * [backup-simplify]: Simplify (+ 0 0) into 0
0.304 * [backup-simplify]: Simplify (- (+ (* 1.0 (/ 0 1.0)) (* (- 1.0) (/ 0 1.0)) (* 1.0 (/ 0 1.0)) (* (- 1.0) (/ 1 1.0)))) into 1.0
0.307 * [backup-simplify]: Simplify (+ (* 1.0 1.0) (+ (* 0 (- 1.0)) (+ (* 0 1.0) (+ (* 0 (- 1.0)) (* 0 1.0))))) into 1.0
0.307 * [backup-simplify]: Simplify (- 0) into 0
0.308 * [backup-simplify]: Simplify (+ 0 0) into 0
0.314 * [backup-simplify]: Simplify (- (+ (* -1.0 (/ 0 (- 1.0))) (* (- 1.0) (/ 0 (- 1.0))) (* (- 1.0) (/ 0 (- 1.0))) (* (- 1.0) (/ 1 (- 1.0))))) into (- 1.0)
0.318 * [backup-simplify]: Simplify (+ (* 1.0 (- 1.0)) (+ (* 0 (- 1.0)) (+ (* 0 (- 1.0)) (+ (* 0 (- 1.0)) (* 0 -1.0))))) into (- 1.0)
0.319 * [backup-simplify]: Simplify (- (- 1.0)) into 1.0
0.319 * [backup-simplify]: Simplify (+ 1.0 1.0) into 2.0
0.319 * [backup-simplify]: Simplify 2.0 into 2.0