10.137 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.025 * * * [progress]: [2/2] Setting up program.
0.026 * [progress]: [Phase 2 of 3] Improving.
0.026 * [simplify]: Simplifying:
  (- (* x x) (* y y))
0.027 * * [simplify]: Extracting # 0 : cost  0
0.027 * * [simplify]: Extracting # 1 : cost  0
0.027 * * [simplify]: Extracting # 2 : cost  0
0.027 * * [simplify]: Extracting # 3 : cost  0
0.027 * * [simplify]: Extracting # 4 : cost  0
0.027 * * [simplify]: iteration  0 :  5  enodes  (cost  7 )
0.028 * * [simplify]: Extracting # 0 : cost  0
0.028 * * [simplify]: Extracting # 1 : cost  0
0.028 * * [simplify]: Extracting # 2 : cost  0
0.028 * * [simplify]: iteration  1 :  10  enodes  (cost  7 )
0.029 * * [simplify]: Extracting # 0 : cost  0
0.029 * * [simplify]: Extracting # 1 : cost  0
0.029 * * [simplify]: Extracting # 2 : cost  0
0.029 * * [simplify]: iteration  2 :  17  enodes  (cost  7 )
0.032 * * [simplify]: Extracting # 0 : cost  0
0.032 * * [simplify]: Extracting # 1 : cost  0
0.032 * * [simplify]: Extracting # 2 : cost  0
0.032 * * [simplify]: iteration  3 :  32  enodes  (cost  7 )
0.039 * * [simplify]: Extracting # 0 : cost  0
0.039 * * [simplify]: Extracting # 1 : cost  0
0.039 * * [simplify]: Extracting # 2 : cost  0
0.039 * * [simplify]: iteration  4 :  58  enodes  (cost  7 )
0.054 * * [simplify]: Extracting # 0 : cost  0
0.055 * * [simplify]: Extracting # 1 : cost  0
0.055 * * [simplify]: Extracting # 2 : cost  0
0.055 * * [simplify]: iteration  5 :  129  enodes  (cost  7 )
0.092 * * [simplify]: Extracting # 0 : cost  0
0.092 * * [simplify]: Extracting # 1 : cost  0
0.092 * * [simplify]: Extracting # 2 : cost  0
0.092 * * [simplify]: Extracting # 3 : cost  0
0.092 * * [simplify]: iteration  6 :  187  enodes  (cost  7 )
0.178 * * [simplify]: Extracting # 0 : cost  0
0.178 * * [simplify]: Extracting # 1 : cost  0
0.179 * * [simplify]: Extracting # 2 : cost  0
0.179 * * [simplify]: Extracting # 3 : cost  0
0.180 * * [simplify]: iteration  7 :  369  enodes  (cost  7 )
0.873 * * [simplify]: Extracting # 0 : cost  0
0.875 * * [simplify]: Extracting # 1 : cost  0
0.877 * * [simplify]: Extracting # 2 : cost  0
0.878 * * [simplify]: Extracting # 3 : cost  0
0.880 * * [simplify]: Extracting # 4 : cost  0
0.882 * * [simplify]: iteration  8 :  1551  enodes  (cost  7 )
14.176 * * [simplify]: Extracting # 0 : cost  0
14.188 * * [simplify]: Extracting # 1 : cost  0
14.191 * * [simplify]: Extracting # 2 : cost  0
14.193 * * [simplify]: Extracting # 3 : cost  0
14.201 * * [simplify]: Extracting # 4 : cost  0
14.207 * * [simplify]: iteration done:  5000  enodes  (cost  7 )
14.208 * [simplify]: Simplified to:
  (* (- x y) (+ x y))
14.211 * * [progress]: iteration 1 / 4
14.212 * * * [progress]: picking best candidate
14.216 * * * * [pick]: Picked  #<alt (λ (x y) (* (- x y) (+ x y)))>
14.216 * * * [progress]: localizing error
14.228 * * * [progress]: generating rewritten candidates
14.228 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
14.278 * * * [progress]: generating series expansions
14.278 * * * * [progress]: [ 1 / 1 ] generating series at (2)
14.278 * [backup-simplify]: Simplify (* (- x y) (+ x y)) into (* (+ x y) (- x y))
14.278 * [approximate]: Taking taylor expansion of (* (+ x y) (- x y)) in (x y) around 0
14.278 * [taylor]: Taking taylor expansion of (* (+ x y) (- x y)) in y
14.278 * [taylor]: Taking taylor expansion of (+ x y) in y
14.278 * [taylor]: Taking taylor expansion of x in y
14.278 * [backup-simplify]: Simplify x into x
14.278 * [taylor]: Taking taylor expansion of y in y
14.278 * [backup-simplify]: Simplify 0 into 0
14.278 * [backup-simplify]: Simplify 1 into 1
14.278 * [taylor]: Taking taylor expansion of (- x y) in y
14.278 * [taylor]: Taking taylor expansion of x in y
14.278 * [backup-simplify]: Simplify x into x
14.278 * [taylor]: Taking taylor expansion of y in y
14.279 * [backup-simplify]: Simplify 0 into 0
14.279 * [backup-simplify]: Simplify 1 into 1
14.279 * [taylor]: Taking taylor expansion of (* (+ x y) (- x y)) in x
14.279 * [taylor]: Taking taylor expansion of (+ x y) in x
14.279 * [taylor]: Taking taylor expansion of x in x
14.279 * [backup-simplify]: Simplify 0 into 0
14.279 * [backup-simplify]: Simplify 1 into 1
14.279 * [taylor]: Taking taylor expansion of y in x
14.279 * [backup-simplify]: Simplify y into y
14.279 * [taylor]: Taking taylor expansion of (- x y) in x
14.279 * [taylor]: Taking taylor expansion of x in x
14.279 * [backup-simplify]: Simplify 0 into 0
14.279 * [backup-simplify]: Simplify 1 into 1
14.279 * [taylor]: Taking taylor expansion of y in x
14.279 * [backup-simplify]: Simplify y into y
14.279 * [taylor]: Taking taylor expansion of (* (+ x y) (- x y)) in x
14.279 * [taylor]: Taking taylor expansion of (+ x y) in x
14.279 * [taylor]: Taking taylor expansion of x in x
14.279 * [backup-simplify]: Simplify 0 into 0
14.279 * [backup-simplify]: Simplify 1 into 1
14.279 * [taylor]: Taking taylor expansion of y in x
14.279 * [backup-simplify]: Simplify y into y
14.279 * [taylor]: Taking taylor expansion of (- x y) in x
14.279 * [taylor]: Taking taylor expansion of x in x
14.279 * [backup-simplify]: Simplify 0 into 0
14.279 * [backup-simplify]: Simplify 1 into 1
14.279 * [taylor]: Taking taylor expansion of y in x
14.279 * [backup-simplify]: Simplify y into y
14.279 * [backup-simplify]: Simplify (+ 0 y) into y
14.279 * [backup-simplify]: Simplify (- y) into (- y)
14.279 * [backup-simplify]: Simplify (+ 0 (- y)) into (- y)
14.279 * [backup-simplify]: Simplify (* y (- y)) into (* -1 (pow y 2))
14.279 * [taylor]: Taking taylor expansion of (* -1 (pow y 2)) in y
14.279 * [taylor]: Taking taylor expansion of -1 in y
14.279 * [backup-simplify]: Simplify -1 into -1
14.279 * [taylor]: Taking taylor expansion of (pow y 2) in y
14.279 * [taylor]: Taking taylor expansion of y in y
14.279 * [backup-simplify]: Simplify 0 into 0
14.279 * [backup-simplify]: Simplify 1 into 1
14.280 * [backup-simplify]: Simplify (- 0) into 0
14.280 * [backup-simplify]: Simplify (+ 1 0) into 1
14.280 * [backup-simplify]: Simplify (+ 1 0) into 1
14.280 * [backup-simplify]: Simplify (+ (* y 1) (* 1 (- y))) into 0
14.280 * [taylor]: Taking taylor expansion of 0 in y
14.280 * [backup-simplify]: Simplify 0 into 0
14.280 * [backup-simplify]: Simplify 0 into 0
14.281 * [backup-simplify]: Simplify (- 0) into 0
14.281 * [backup-simplify]: Simplify (+ 0 0) into 0
14.281 * [backup-simplify]: Simplify (+ 0 0) into 0
14.282 * [backup-simplify]: Simplify (+ (* y 0) (+ (* 1 1) (* 0 (- y)))) into 1
14.282 * [taylor]: Taking taylor expansion of 1 in y
14.282 * [backup-simplify]: Simplify 1 into 1
14.282 * [backup-simplify]: Simplify 1 into 1
14.282 * [backup-simplify]: Simplify 0 into 0
14.282 * [backup-simplify]: Simplify (* 1 1) into 1
14.283 * [backup-simplify]: Simplify (* -1 1) into -1
14.283 * [backup-simplify]: Simplify -1 into -1
14.283 * [backup-simplify]: Simplify (- 0) into 0
14.283 * [backup-simplify]: Simplify (+ 0 0) into 0
14.284 * [backup-simplify]: Simplify (+ 0 0) into 0
14.285 * [backup-simplify]: Simplify (+ (* y 0) (+ (* 1 0) (+ (* 0 1) (* 0 (- y))))) into 0
14.285 * [taylor]: Taking taylor expansion of 0 in y
14.285 * [backup-simplify]: Simplify 0 into 0
14.285 * [backup-simplify]: Simplify 0 into 0
14.285 * [backup-simplify]: Simplify 0 into 0
14.285 * [backup-simplify]: Simplify 0 into 0
14.286 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
14.286 * [backup-simplify]: Simplify (+ (* -1 0) (* 0 1)) into 0
14.286 * [backup-simplify]: Simplify 0 into 0
14.287 * [backup-simplify]: Simplify (- 0) into 0
14.287 * [backup-simplify]: Simplify (+ 0 0) into 0
14.288 * [backup-simplify]: Simplify (+ 0 0) into 0
14.289 * [backup-simplify]: Simplify (+ (* y 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 1) (* 0 (- y)))))) into 0
14.289 * [taylor]: Taking taylor expansion of 0 in y
14.289 * [backup-simplify]: Simplify 0 into 0
14.289 * [backup-simplify]: Simplify 0 into 0
14.289 * [backup-simplify]: Simplify 0 into 0
14.289 * [backup-simplify]: Simplify (+ (* -1 (pow (* y 1) 2)) (* 1 (pow (* 1 x) 2))) into (- (pow x 2) (pow y 2))
14.290 * [backup-simplify]: Simplify (* (- (/ 1 x) (/ 1 y)) (+ (/ 1 x) (/ 1 y))) into (* (- (/ 1 x) (/ 1 y)) (+ (/ 1 y) (/ 1 x)))
14.290 * [approximate]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) (+ (/ 1 y) (/ 1 x))) in (x y) around 0
14.290 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) (+ (/ 1 y) (/ 1 x))) in y
14.290 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in y
14.290 * [taylor]: Taking taylor expansion of (/ 1 x) in y
14.290 * [taylor]: Taking taylor expansion of x in y
14.290 * [backup-simplify]: Simplify x into x
14.290 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
14.290 * [taylor]: Taking taylor expansion of (/ 1 y) in y
14.290 * [taylor]: Taking taylor expansion of y in y
14.290 * [backup-simplify]: Simplify 0 into 0
14.290 * [backup-simplify]: Simplify 1 into 1
14.291 * [backup-simplify]: Simplify (/ 1 1) into 1
14.291 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in y
14.291 * [taylor]: Taking taylor expansion of (/ 1 y) in y
14.291 * [taylor]: Taking taylor expansion of y in y
14.291 * [backup-simplify]: Simplify 0 into 0
14.291 * [backup-simplify]: Simplify 1 into 1
14.291 * [backup-simplify]: Simplify (/ 1 1) into 1
14.291 * [taylor]: Taking taylor expansion of (/ 1 x) in y
14.291 * [taylor]: Taking taylor expansion of x in y
14.291 * [backup-simplify]: Simplify x into x
14.291 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
14.291 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) (+ (/ 1 y) (/ 1 x))) in x
14.291 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
14.291 * [taylor]: Taking taylor expansion of (/ 1 x) in x
14.291 * [taylor]: Taking taylor expansion of x in x
14.291 * [backup-simplify]: Simplify 0 into 0
14.291 * [backup-simplify]: Simplify 1 into 1
14.292 * [backup-simplify]: Simplify (/ 1 1) into 1
14.292 * [taylor]: Taking taylor expansion of (/ 1 y) in x
14.292 * [taylor]: Taking taylor expansion of y in x
14.292 * [backup-simplify]: Simplify y into y
14.292 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
14.292 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
14.292 * [taylor]: Taking taylor expansion of (/ 1 y) in x
14.292 * [taylor]: Taking taylor expansion of y in x
14.292 * [backup-simplify]: Simplify y into y
14.292 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
14.292 * [taylor]: Taking taylor expansion of (/ 1 x) in x
14.292 * [taylor]: Taking taylor expansion of x in x
14.293 * [backup-simplify]: Simplify 0 into 0
14.293 * [backup-simplify]: Simplify 1 into 1
14.293 * [backup-simplify]: Simplify (/ 1 1) into 1
14.293 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) (+ (/ 1 y) (/ 1 x))) in x
14.293 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
14.293 * [taylor]: Taking taylor expansion of (/ 1 x) in x
14.293 * [taylor]: Taking taylor expansion of x in x
14.293 * [backup-simplify]: Simplify 0 into 0
14.293 * [backup-simplify]: Simplify 1 into 1
14.294 * [backup-simplify]: Simplify (/ 1 1) into 1
14.294 * [taylor]: Taking taylor expansion of (/ 1 y) in x
14.294 * [taylor]: Taking taylor expansion of y in x
14.294 * [backup-simplify]: Simplify y into y
14.294 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
14.294 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
14.294 * [taylor]: Taking taylor expansion of (/ 1 y) in x
14.294 * [taylor]: Taking taylor expansion of y in x
14.294 * [backup-simplify]: Simplify y into y
14.294 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
14.294 * [taylor]: Taking taylor expansion of (/ 1 x) in x
14.294 * [taylor]: Taking taylor expansion of x in x
14.294 * [backup-simplify]: Simplify 0 into 0
14.294 * [backup-simplify]: Simplify 1 into 1
14.295 * [backup-simplify]: Simplify (/ 1 1) into 1
14.295 * [backup-simplify]: Simplify (+ 1 0) into 1
14.296 * [backup-simplify]: Simplify (+ 0 1) into 1
14.296 * [backup-simplify]: Simplify (* 1 1) into 1
14.296 * [taylor]: Taking taylor expansion of 1 in y
14.296 * [backup-simplify]: Simplify 1 into 1
14.297 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
14.297 * [backup-simplify]: Simplify (+ (/ 1 y) 0) into (/ 1 y)
14.298 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
14.298 * [backup-simplify]: Simplify (- (/ 1 y)) into (- (/ 1 y))
14.298 * [backup-simplify]: Simplify (+ 0 (- (/ 1 y))) into (- (/ 1 y))
14.298 * [backup-simplify]: Simplify (+ (* 1 (/ 1 y)) (* (- (/ 1 y)) 1)) into 0
14.298 * [taylor]: Taking taylor expansion of 0 in y
14.298 * [backup-simplify]: Simplify 0 into 0
14.298 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0
14.299 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
14.300 * [backup-simplify]: Simplify (+ 0 0) into 0
14.301 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
14.301 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0
14.301 * [backup-simplify]: Simplify (- 0) into 0
14.301 * [backup-simplify]: Simplify (+ 0 0) into 0
14.303 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* (- (/ 1 y)) (/ 1 y)) (* 0 1))) into (- (/ 1 (pow y 2)))
14.303 * [taylor]: Taking taylor expansion of (- (/ 1 (pow y 2))) in y
14.303 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
14.303 * [taylor]: Taking taylor expansion of (pow y 2) in y
14.303 * [taylor]: Taking taylor expansion of y in y
14.303 * [backup-simplify]: Simplify 0 into 0
14.303 * [backup-simplify]: Simplify 1 into 1
14.303 * [backup-simplify]: Simplify (* 1 1) into 1
14.303 * [backup-simplify]: Simplify (/ 1 1) into 1
14.304 * [backup-simplify]: Simplify (- 1) into -1
14.304 * [backup-simplify]: Simplify -1 into -1
14.304 * [backup-simplify]: Simplify 1 into 1
14.304 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0
14.305 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
14.305 * [backup-simplify]: Simplify (+ 0 0) into 0
14.313 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
14.313 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0
14.314 * [backup-simplify]: Simplify (- 0) into 0
14.314 * [backup-simplify]: Simplify (+ 0 0) into 0
14.315 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* (- (/ 1 y)) 0) (+ (* 0 (/ 1 y)) (* 0 1)))) into 0
14.315 * [taylor]: Taking taylor expansion of 0 in y
14.315 * [backup-simplify]: Simplify 0 into 0
14.316 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
14.317 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
14.317 * [backup-simplify]: Simplify (- 0) into 0
14.317 * [backup-simplify]: Simplify 0 into 0
14.317 * [backup-simplify]: Simplify 0 into 0
14.317 * [backup-simplify]: Simplify 0 into 0
14.317 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)) (* 0 (/ 0 y)))) into 0
14.318 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
14.319 * [backup-simplify]: Simplify (+ 0 0) into 0
14.319 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
14.320 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)) (* 0 (/ 0 y)))) into 0
14.320 * [backup-simplify]: Simplify (- 0) into 0
14.320 * [backup-simplify]: Simplify (+ 0 0) into 0
14.322 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* (- (/ 1 y)) 0) (+ (* 0 0) (+ (* 0 (/ 1 y)) (* 0 1))))) into 0
14.322 * [taylor]: Taking taylor expansion of 0 in y
14.322 * [backup-simplify]: Simplify 0 into 0
14.323 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
14.324 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
14.325 * [backup-simplify]: Simplify (- 0) into 0
14.325 * [backup-simplify]: Simplify 0 into 0
14.325 * [backup-simplify]: Simplify 0 into 0
14.325 * [backup-simplify]: Simplify 0 into 0
14.325 * [backup-simplify]: Simplify (+ (* 1 (pow (* 1 (/ 1 (/ 1 x))) 2)) (* -1 (pow (* (/ 1 (/ 1 y)) 1) 2))) into (- (pow x 2) (pow y 2))
14.326 * [backup-simplify]: Simplify (* (- (/ 1 (- x)) (/ 1 (- y))) (+ (/ 1 (- x)) (/ 1 (- y)))) into (* -1 (* (+ (/ 1 y) (/ 1 x)) (- (/ 1 y) (/ 1 x))))
14.326 * [approximate]: Taking taylor expansion of (* -1 (* (+ (/ 1 y) (/ 1 x)) (- (/ 1 y) (/ 1 x)))) in (x y) around 0
14.326 * [taylor]: Taking taylor expansion of (* -1 (* (+ (/ 1 y) (/ 1 x)) (- (/ 1 y) (/ 1 x)))) in y
14.326 * [taylor]: Taking taylor expansion of -1 in y
14.326 * [backup-simplify]: Simplify -1 into -1
14.326 * [taylor]: Taking taylor expansion of (* (+ (/ 1 y) (/ 1 x)) (- (/ 1 y) (/ 1 x))) in y
14.326 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in y
14.326 * [taylor]: Taking taylor expansion of (/ 1 y) in y
14.326 * [taylor]: Taking taylor expansion of y in y
14.326 * [backup-simplify]: Simplify 0 into 0
14.326 * [backup-simplify]: Simplify 1 into 1
14.327 * [backup-simplify]: Simplify (/ 1 1) into 1
14.327 * [taylor]: Taking taylor expansion of (/ 1 x) in y
14.327 * [taylor]: Taking taylor expansion of x in y
14.327 * [backup-simplify]: Simplify x into x
14.327 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
14.327 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in y
14.327 * [taylor]: Taking taylor expansion of (/ 1 y) in y
14.327 * [taylor]: Taking taylor expansion of y in y
14.327 * [backup-simplify]: Simplify 0 into 0
14.327 * [backup-simplify]: Simplify 1 into 1
14.327 * [backup-simplify]: Simplify (/ 1 1) into 1
14.327 * [taylor]: Taking taylor expansion of (/ 1 x) in y
14.327 * [taylor]: Taking taylor expansion of x in y
14.327 * [backup-simplify]: Simplify x into x
14.328 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
14.328 * [taylor]: Taking taylor expansion of (* -1 (* (+ (/ 1 y) (/ 1 x)) (- (/ 1 y) (/ 1 x)))) in x
14.328 * [taylor]: Taking taylor expansion of -1 in x
14.328 * [backup-simplify]: Simplify -1 into -1
14.328 * [taylor]: Taking taylor expansion of (* (+ (/ 1 y) (/ 1 x)) (- (/ 1 y) (/ 1 x))) in x
14.328 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
14.328 * [taylor]: Taking taylor expansion of (/ 1 y) in x
14.328 * [taylor]: Taking taylor expansion of y in x
14.328 * [backup-simplify]: Simplify y into y
14.328 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
14.328 * [taylor]: Taking taylor expansion of (/ 1 x) in x
14.328 * [taylor]: Taking taylor expansion of x in x
14.328 * [backup-simplify]: Simplify 0 into 0
14.328 * [backup-simplify]: Simplify 1 into 1
14.328 * [backup-simplify]: Simplify (/ 1 1) into 1
14.328 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
14.328 * [taylor]: Taking taylor expansion of (/ 1 y) in x
14.328 * [taylor]: Taking taylor expansion of y in x
14.329 * [backup-simplify]: Simplify y into y
14.329 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
14.329 * [taylor]: Taking taylor expansion of (/ 1 x) in x
14.329 * [taylor]: Taking taylor expansion of x in x
14.329 * [backup-simplify]: Simplify 0 into 0
14.329 * [backup-simplify]: Simplify 1 into 1
14.329 * [backup-simplify]: Simplify (/ 1 1) into 1
14.329 * [taylor]: Taking taylor expansion of (* -1 (* (+ (/ 1 y) (/ 1 x)) (- (/ 1 y) (/ 1 x)))) in x
14.329 * [taylor]: Taking taylor expansion of -1 in x
14.329 * [backup-simplify]: Simplify -1 into -1
14.329 * [taylor]: Taking taylor expansion of (* (+ (/ 1 y) (/ 1 x)) (- (/ 1 y) (/ 1 x))) in x
14.329 * [taylor]: Taking taylor expansion of (+ (/ 1 y) (/ 1 x)) in x
14.329 * [taylor]: Taking taylor expansion of (/ 1 y) in x
14.329 * [taylor]: Taking taylor expansion of y in x
14.329 * [backup-simplify]: Simplify y into y
14.329 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
14.329 * [taylor]: Taking taylor expansion of (/ 1 x) in x
14.329 * [taylor]: Taking taylor expansion of x in x
14.330 * [backup-simplify]: Simplify 0 into 0
14.330 * [backup-simplify]: Simplify 1 into 1
14.330 * [backup-simplify]: Simplify (/ 1 1) into 1
14.330 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
14.330 * [taylor]: Taking taylor expansion of (/ 1 y) in x
14.330 * [taylor]: Taking taylor expansion of y in x
14.330 * [backup-simplify]: Simplify y into y
14.330 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
14.330 * [taylor]: Taking taylor expansion of (/ 1 x) in x
14.330 * [taylor]: Taking taylor expansion of x in x
14.330 * [backup-simplify]: Simplify 0 into 0
14.330 * [backup-simplify]: Simplify 1 into 1
14.331 * [backup-simplify]: Simplify (/ 1 1) into 1
14.331 * [backup-simplify]: Simplify (+ 0 1) into 1
14.332 * [backup-simplify]: Simplify (- 1) into -1
14.332 * [backup-simplify]: Simplify (+ 0 -1) into -1
14.332 * [backup-simplify]: Simplify (* 1 -1) into -1
14.333 * [backup-simplify]: Simplify (* -1 -1) into 1
14.333 * [taylor]: Taking taylor expansion of 1 in y
14.333 * [backup-simplify]: Simplify 1 into 1
14.334 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
14.334 * [backup-simplify]: Simplify (- 0) into 0
14.334 * [backup-simplify]: Simplify (+ (/ 1 y) 0) into (/ 1 y)
14.334 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
14.334 * [backup-simplify]: Simplify (+ (/ 1 y) 0) into (/ 1 y)
14.335 * [backup-simplify]: Simplify (+ (* 1 (/ 1 y)) (* (/ 1 y) -1)) into 0
14.335 * [backup-simplify]: Simplify (+ (* -1 0) (* 0 -1)) into 0
14.335 * [taylor]: Taking taylor expansion of 0 in y
14.335 * [backup-simplify]: Simplify 0 into 0
14.335 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0
14.336 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
14.336 * [backup-simplify]: Simplify (- 0) into 0
14.336 * [backup-simplify]: Simplify (+ 0 0) into 0
14.336 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0
14.337 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
14.337 * [backup-simplify]: Simplify (+ 0 0) into 0
14.337 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* (/ 1 y) (/ 1 y)) (* 0 -1))) into (/ 1 (pow y 2))
14.338 * [backup-simplify]: Simplify (+ (* -1 (/ 1 (pow y 2))) (+ (* 0 0) (* 0 -1))) into (- (/ 1 (pow y 2)))
14.338 * [taylor]: Taking taylor expansion of (- (/ 1 (pow y 2))) in y
14.338 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
14.338 * [taylor]: Taking taylor expansion of (pow y 2) in y
14.338 * [taylor]: Taking taylor expansion of y in y
14.338 * [backup-simplify]: Simplify 0 into 0
14.338 * [backup-simplify]: Simplify 1 into 1
14.338 * [backup-simplify]: Simplify (* 1 1) into 1
14.339 * [backup-simplify]: Simplify (/ 1 1) into 1
14.339 * [backup-simplify]: Simplify (- 1) into -1
14.339 * [backup-simplify]: Simplify -1 into -1
14.339 * [backup-simplify]: Simplify 1 into 1
14.339 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0
14.339 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
14.340 * [backup-simplify]: Simplify (- 0) into 0
14.340 * [backup-simplify]: Simplify (+ 0 0) into 0
14.340 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0
14.341 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
14.341 * [backup-simplify]: Simplify (+ 0 0) into 0
14.341 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* (/ 1 y) 0) (+ (* 0 (/ 1 y)) (* 0 -1)))) into 0
14.342 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 (/ 1 (pow y 2))) (+ (* 0 0) (* 0 -1)))) into 0
14.342 * [taylor]: Taking taylor expansion of 0 in y
14.342 * [backup-simplify]: Simplify 0 into 0
14.343 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
14.343 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
14.343 * [backup-simplify]: Simplify (- 0) into 0
14.343 * [backup-simplify]: Simplify 0 into 0
14.343 * [backup-simplify]: Simplify 0 into 0
14.343 * [backup-simplify]: Simplify 0 into 0
14.343 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)) (* 0 (/ 0 y)))) into 0
14.344 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
14.344 * [backup-simplify]: Simplify (- 0) into 0
14.344 * [backup-simplify]: Simplify (+ 0 0) into 0
14.344 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)) (* 0 (/ 0 y)))) into 0
14.345 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
14.345 * [backup-simplify]: Simplify (+ 0 0) into 0
14.346 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* (/ 1 y) 0) (+ (* 0 0) (+ (* 0 (/ 1 y)) (* 0 -1))))) into 0
14.347 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 (/ 1 (pow y 2))) (+ (* 0 0) (* 0 -1))))) into 0
14.347 * [taylor]: Taking taylor expansion of 0 in y
14.347 * [backup-simplify]: Simplify 0 into 0
14.348 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
14.348 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
14.348 * [backup-simplify]: Simplify (- 0) into 0
14.348 * [backup-simplify]: Simplify 0 into 0
14.348 * [backup-simplify]: Simplify 0 into 0
14.348 * [backup-simplify]: Simplify 0 into 0
14.349 * [backup-simplify]: Simplify (+ (* 1 (pow (* 1 (/ 1 (/ 1 (- x)))) 2)) (* -1 (pow (* (/ 1 (/ 1 (- y))) 1) 2))) into (- (pow x 2) (pow y 2))
14.349 * * * [progress]: simplifying candidates
14.349 * [simplify]: Simplifying:
  (* (- x y) (+ x y))
  (+ (log (- x y)) (log (+ x y)))
  (log (* (- x y) (+ x y)))
  (exp (* (- x y) (+ x y)))
  (* (* (* (- x y) (- x y)) (- x y)) (* (* (+ x y) (+ x y)) (+ x y)))
  (* (cbrt (* (- x y) (+ x y))) (cbrt (* (- x y) (+ x y))))
  (cbrt (* (- x y) (+ x y)))
  (* (* (* (- x y) (+ x y)) (* (- x y) (+ x y))) (* (- x y) (+ x y)))
  (sqrt (* (- x y) (+ x y)))
  (sqrt (* (- x y) (+ x y)))
  (* (- (pow x 3) (pow y 3)) (+ (pow x 3) (pow y 3)))
  (* (+ (* x x) (+ (* y y) (* x y))) (+ (* x x) (- (* y y) (* x y))))
  (* (- (pow x 3) (pow y 3)) (- (* x x) (* y y)))
  (* (+ (* x x) (+ (* y y) (* x y))) (- x y))
  (* (- (* x x) (* y y)) (+ (pow x 3) (pow y 3)))
  (* (+ x y) (+ (* x x) (- (* y y) (* x y))))
  (* (- (* x x) (* y y)) (- (* x x) (* y y)))
  (* (+ x y) (- x y))
  (* (sqrt (- x y)) (sqrt (+ x y)))
  (* (sqrt (- x y)) (sqrt (+ x y)))
  (* (- x y) x)
  (* (- x y) y)
  (* x (- x y))
  (* y (- x y))
  (* (- x y) (* (cbrt (+ x y)) (cbrt (+ x y))))
  (* (- x y) (sqrt (+ x y)))
  (* (- x y) 1)
  (* (- x y) 1)
  (* (cbrt (- x y)) (+ x y))
  (* (sqrt (- x y)) (+ x y))
  (* (- x y) (+ x y))
  (* (- (sqrt x) (sqrt y)) (+ x y))
  (* (- x y) (+ x y))
  (* (- x y) (+ (pow x 3) (pow y 3)))
  (* (- x y) (- (* x x) (* y y)))
  (* (- (pow x 3) (pow y 3)) (+ x y))
  (* (- (* x x) (* y y)) (+ x y))
  (- (pow x 2) (pow y 2))
  (- (pow x 2) (pow y 2))
  (- (pow x 2) (pow y 2))
14.350 * * [simplify]: Extracting # 0 : cost  0
14.350 * * [simplify]: Extracting # 1 : cost  0
14.350 * * [simplify]: Extracting # 2 : cost  0
14.350 * * [simplify]: Extracting # 3 : cost  0
14.350 * * [simplify]: Extracting # 4 : cost  0
14.350 * * [simplify]: Extracting # 5 : cost  0
14.351 * * [simplify]: Extracting # 6 : cost  0
14.351 * * [simplify]: iteration  0 :  69  enodes  (cost  412 )
14.367 * * [simplify]: Extracting # 0 : cost  0
14.368 * * [simplify]: Extracting # 1 : cost  0
14.368 * * [simplify]: Extracting # 2 : cost  0
14.369 * * [simplify]: Extracting # 3 : cost  0
14.369 * * [simplify]: Extracting # 4 : cost  0
14.370 * * [simplify]: iteration  1 :  217  enodes  (cost  399 )
14.528 * * [simplify]: Extracting # 0 : cost  0
14.529 * * [simplify]: Extracting # 1 : cost  0
14.531 * * [simplify]: Extracting # 2 : cost  0
14.532 * * [simplify]: Extracting # 3 : cost  0
14.534 * * [simplify]: Extracting # 4 : cost  0
14.535 * * [simplify]: iteration  2 :  980  enodes  (cost  371 )
15.801 * * [simplify]: Extracting # 0 : cost  0
15.815 * * [simplify]: Extracting # 1 : cost  0
15.825 * * [simplify]: Extracting # 2 : cost  0
15.836 * * [simplify]: Extracting # 3 : cost  0
16.230 * * [simplify]: Extracting # 4 : cost  0
16.239 * * [simplify]: iteration done:  5000  enodes  (cost  371 )
16.240 * [simplify]: Simplified to:
  (- (* x x) (* y y))
  (log (* (- x y) (+ x y)))
  (log (* (- x y) (+ x y)))
  (exp (* (- x y) (+ x y)))
  (pow (- (* x x) (* y y)) 3)
  (* (cbrt (* (- x y) (+ x y))) (cbrt (* (- x y) (+ x y))))
  (cbrt (* (- x y) (+ x y)))
  (pow (- (* x x) (* y y)) 3)
  (sqrt (* (- x y) (+ x y)))
  (sqrt (* (- x y) (+ x y)))
  (* (- (pow x 3) (pow y 3)) (+ (pow x 3) (pow y 3)))
  (* (+ (* x x) (* y (+ x y))) (+ (* x x) (* y (- y x))))
  (* (- (pow x 3) (pow y 3)) (- (* x x) (* y y)))
  (* (- x y) (+ (* x x) (* y (+ x y))))
  (* (- (* x x) (* y y)) (+ (pow x 3) (pow y 3)))
  (* (+ (* x x) (* y (- y x))) (+ x y))
  (* (- (* x x) (* y y)) (- (* x x) (* y y)))
  (- (* x x) (* y y))
  (* (sqrt (- x y)) (sqrt (+ x y)))
  (* (sqrt (- x y)) (sqrt (+ x y)))
  (* x (- x y))
  (* (- x y) y)
  (* x (- x y))
  (* (- x y) y)
  (* (- x y) (* (cbrt (+ x y)) (cbrt (+ x y))))
  (* (- x y) (sqrt (+ x y)))
  (- x y)
  (- x y)
  (* (cbrt (- x y)) (+ x y))
  (* (sqrt (- x y)) (+ x y))
  (- (* x x) (* y y))
  (* (- (sqrt x) (sqrt y)) (+ x y))
  (- (* x x) (* y y))
  (* (- x y) (+ (pow x 3) (pow y 3)))
  (* (- x y) (- (* x x) (* y y)))
  (* (- (pow x 3) (pow y 3)) (+ x y))
  (* (* (+ x y) (+ x y)) (- x y))
  (- (* x x) (* y y))
  (- (* x x) (* y y))
  (- (* x x) (* y y))
16.240 * * * [progress]: adding candidates to table
16.321 * * [progress]: iteration 2 / 4
16.321 * * * [progress]: picking best candidate
16.324 * * * * [pick]: Picked  #<alt (λ (x y) (pow (- (* x x) (* y y)) 1))>
16.324 * * * [progress]: localizing error
16.339 * * * [progress]: generating rewritten candidates
16.339 * * * * [progress]: [ 1 / 1 ] rewriting at (2 1)
16.355 * * * [progress]: generating series expansions
16.355 * * * * [progress]: [ 1 / 1 ] generating series at (2 1)
16.356 * [backup-simplify]: Simplify (- (* x x) (* y y)) into (- (pow x 2) (pow y 2))
16.356 * [approximate]: Taking taylor expansion of (- (pow x 2) (pow y 2)) in (x y) around 0
16.356 * [taylor]: Taking taylor expansion of (- (pow x 2) (pow y 2)) in y
16.356 * [taylor]: Taking taylor expansion of (pow x 2) in y
16.356 * [taylor]: Taking taylor expansion of x in y
16.356 * [backup-simplify]: Simplify x into x
16.356 * [taylor]: Taking taylor expansion of (pow y 2) in y
16.356 * [taylor]: Taking taylor expansion of y in y
16.356 * [backup-simplify]: Simplify 0 into 0
16.356 * [backup-simplify]: Simplify 1 into 1
16.356 * [taylor]: Taking taylor expansion of (- (pow x 2) (pow y 2)) in x
16.356 * [taylor]: Taking taylor expansion of (pow x 2) in x
16.356 * [taylor]: Taking taylor expansion of x in x
16.356 * [backup-simplify]: Simplify 0 into 0
16.356 * [backup-simplify]: Simplify 1 into 1
16.356 * [taylor]: Taking taylor expansion of (pow y 2) in x
16.356 * [taylor]: Taking taylor expansion of y in x
16.356 * [backup-simplify]: Simplify y into y
16.356 * [taylor]: Taking taylor expansion of (- (pow x 2) (pow y 2)) in x
16.356 * [taylor]: Taking taylor expansion of (pow x 2) in x
16.356 * [taylor]: Taking taylor expansion of x in x
16.356 * [backup-simplify]: Simplify 0 into 0
16.356 * [backup-simplify]: Simplify 1 into 1
16.357 * [taylor]: Taking taylor expansion of (pow y 2) in x
16.357 * [taylor]: Taking taylor expansion of y in x
16.357 * [backup-simplify]: Simplify y into y
16.357 * [backup-simplify]: Simplify (* y y) into (pow y 2)
16.357 * [backup-simplify]: Simplify (- (pow y 2)) into (- (pow y 2))
16.357 * [backup-simplify]: Simplify (+ 0 (- (pow y 2))) into (- (pow y 2))
16.357 * [taylor]: Taking taylor expansion of (- (pow y 2)) in y
16.357 * [taylor]: Taking taylor expansion of (pow y 2) in y
16.357 * [taylor]: Taking taylor expansion of y in y
16.357 * [backup-simplify]: Simplify 0 into 0
16.357 * [backup-simplify]: Simplify 1 into 1
16.357 * [backup-simplify]: Simplify (+ (* y 0) (* 0 y)) into 0
16.358 * [backup-simplify]: Simplify (- 0) into 0
16.359 * [backup-simplify]: Simplify (+ 0 0) into 0
16.359 * [taylor]: Taking taylor expansion of 0 in y
16.359 * [backup-simplify]: Simplify 0 into 0
16.359 * [backup-simplify]: Simplify 0 into 0
16.359 * [backup-simplify]: Simplify (* 1 1) into 1
16.360 * [backup-simplify]: Simplify (+ (* y 0) (+ (* 0 0) (* 0 y))) into 0
16.360 * [backup-simplify]: Simplify (- 0) into 0
16.360 * [backup-simplify]: Simplify (+ 1 0) into 1
16.360 * [taylor]: Taking taylor expansion of 1 in y
16.361 * [backup-simplify]: Simplify 1 into 1
16.361 * [backup-simplify]: Simplify 1 into 1
16.361 * [backup-simplify]: Simplify 0 into 0
16.361 * [backup-simplify]: Simplify (* 1 1) into 1
16.361 * [backup-simplify]: Simplify (- 1) into -1
16.361 * [backup-simplify]: Simplify -1 into -1
16.362 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
16.363 * [backup-simplify]: Simplify (+ (* y 0) (+ (* 0 0) (+ (* 0 0) (* 0 y)))) into 0
16.363 * [backup-simplify]: Simplify (- 0) into 0
16.364 * [backup-simplify]: Simplify (+ 0 0) into 0
16.364 * [taylor]: Taking taylor expansion of 0 in y
16.364 * [backup-simplify]: Simplify 0 into 0
16.364 * [backup-simplify]: Simplify 0 into 0
16.364 * [backup-simplify]: Simplify 0 into 0
16.364 * [backup-simplify]: Simplify 0 into 0
16.365 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
16.365 * [backup-simplify]: Simplify (- 0) into 0
16.365 * [backup-simplify]: Simplify 0 into 0
16.366 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
16.367 * [backup-simplify]: Simplify (+ (* y 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 y))))) into 0
16.367 * [backup-simplify]: Simplify (- 0) into 0
16.367 * [backup-simplify]: Simplify (+ 0 0) into 0
16.367 * [taylor]: Taking taylor expansion of 0 in y
16.367 * [backup-simplify]: Simplify 0 into 0
16.367 * [backup-simplify]: Simplify 0 into 0
16.367 * [backup-simplify]: Simplify 0 into 0
16.367 * [backup-simplify]: Simplify (+ (* -1 (pow (* y 1) 2)) (* 1 (pow (* 1 x) 2))) into (- (pow x 2) (pow y 2))
16.368 * [backup-simplify]: Simplify (- (* (/ 1 x) (/ 1 x)) (* (/ 1 y) (/ 1 y))) into (- (/ 1 (pow x 2)) (/ 1 (pow y 2)))
16.368 * [approximate]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (pow y 2))) in (x y) around 0
16.368 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (pow y 2))) in y
16.368 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
16.368 * [taylor]: Taking taylor expansion of (pow x 2) in y
16.368 * [taylor]: Taking taylor expansion of x in y
16.368 * [backup-simplify]: Simplify x into x
16.368 * [backup-simplify]: Simplify (* x x) into (pow x 2)
16.368 * [backup-simplify]: Simplify (/ 1 (pow x 2)) into (/ 1 (pow x 2))
16.368 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
16.368 * [taylor]: Taking taylor expansion of (pow y 2) in y
16.368 * [taylor]: Taking taylor expansion of y in y
16.368 * [backup-simplify]: Simplify 0 into 0
16.368 * [backup-simplify]: Simplify 1 into 1
16.368 * [backup-simplify]: Simplify (* 1 1) into 1
16.368 * [backup-simplify]: Simplify (/ 1 1) into 1
16.368 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (pow y 2))) in x
16.368 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
16.368 * [taylor]: Taking taylor expansion of (pow x 2) in x
16.368 * [taylor]: Taking taylor expansion of x in x
16.368 * [backup-simplify]: Simplify 0 into 0
16.368 * [backup-simplify]: Simplify 1 into 1
16.369 * [backup-simplify]: Simplify (* 1 1) into 1
16.369 * [backup-simplify]: Simplify (/ 1 1) into 1
16.369 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
16.369 * [taylor]: Taking taylor expansion of (pow y 2) in x
16.369 * [taylor]: Taking taylor expansion of y in x
16.369 * [backup-simplify]: Simplify y into y
16.369 * [backup-simplify]: Simplify (* y y) into (pow y 2)
16.369 * [backup-simplify]: Simplify (/ 1 (pow y 2)) into (/ 1 (pow y 2))
16.369 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (pow y 2))) in x
16.369 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
16.369 * [taylor]: Taking taylor expansion of (pow x 2) in x
16.369 * [taylor]: Taking taylor expansion of x in x
16.369 * [backup-simplify]: Simplify 0 into 0
16.369 * [backup-simplify]: Simplify 1 into 1
16.369 * [backup-simplify]: Simplify (* 1 1) into 1
16.370 * [backup-simplify]: Simplify (/ 1 1) into 1
16.370 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
16.370 * [taylor]: Taking taylor expansion of (pow y 2) in x
16.370 * [taylor]: Taking taylor expansion of y in x
16.370 * [backup-simplify]: Simplify y into y
16.370 * [backup-simplify]: Simplify (* y y) into (pow y 2)
16.370 * [backup-simplify]: Simplify (/ 1 (pow y 2)) into (/ 1 (pow y 2))
16.370 * [backup-simplify]: Simplify (+ 1 0) into 1
16.370 * [taylor]: Taking taylor expansion of 1 in y
16.370 * [backup-simplify]: Simplify 1 into 1
16.371 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
16.371 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
16.371 * [backup-simplify]: Simplify (+ 0 0) into 0
16.371 * [taylor]: Taking taylor expansion of 0 in y
16.371 * [backup-simplify]: Simplify 0 into 0
16.372 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
16.372 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
16.372 * [backup-simplify]: Simplify (- (/ 1 (pow y 2))) into (- (/ 1 (pow y 2)))
16.373 * [backup-simplify]: Simplify (+ 0 (- (/ 1 (pow y 2)))) into (- (/ 1 (pow y 2)))
16.373 * [taylor]: Taking taylor expansion of (- (/ 1 (pow y 2))) in y
16.373 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
16.373 * [taylor]: Taking taylor expansion of (pow y 2) in y
16.373 * [taylor]: Taking taylor expansion of y in y
16.373 * [backup-simplify]: Simplify 0 into 0
16.373 * [backup-simplify]: Simplify 1 into 1
16.373 * [backup-simplify]: Simplify (* 1 1) into 1
16.373 * [backup-simplify]: Simplify (/ 1 1) into 1
16.373 * [backup-simplify]: Simplify (- 1) into -1
16.374 * [backup-simplify]: Simplify -1 into -1
16.374 * [backup-simplify]: Simplify 1 into 1
16.374 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
16.375 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
16.375 * [backup-simplify]: Simplify (+ (* y 0) (* 0 y)) into 0
16.375 * [backup-simplify]: Simplify (- (+ (* (/ 1 (pow y 2)) (/ 0 (pow y 2))))) into 0
16.375 * [backup-simplify]: Simplify (- 0) into 0
16.375 * [backup-simplify]: Simplify (+ 0 0) into 0
16.375 * [taylor]: Taking taylor expansion of 0 in y
16.376 * [backup-simplify]: Simplify 0 into 0
16.376 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
16.376 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
16.377 * [backup-simplify]: Simplify (- 0) into 0
16.377 * [backup-simplify]: Simplify 0 into 0
16.377 * [backup-simplify]: Simplify 0 into 0
16.377 * [backup-simplify]: Simplify 0 into 0
16.377 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
16.378 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
16.378 * [backup-simplify]: Simplify (+ (* y 0) (+ (* 0 0) (* 0 y))) into 0
16.379 * [backup-simplify]: Simplify (- (+ (* (/ 1 (pow y 2)) (/ 0 (pow y 2))) (* 0 (/ 0 (pow y 2))))) into 0
16.379 * [backup-simplify]: Simplify (- 0) into 0
16.379 * [backup-simplify]: Simplify (+ 0 0) into 0
16.379 * [taylor]: Taking taylor expansion of 0 in y
16.379 * [backup-simplify]: Simplify 0 into 0
16.380 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
16.380 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
16.381 * [backup-simplify]: Simplify (- 0) into 0
16.381 * [backup-simplify]: Simplify 0 into 0
16.381 * [backup-simplify]: Simplify 0 into 0
16.381 * [backup-simplify]: Simplify 0 into 0
16.381 * [backup-simplify]: Simplify (+ (* 1 (pow (* 1 (/ 1 (/ 1 x))) 2)) (* -1 (pow (* (/ 1 (/ 1 y)) 1) 2))) into (- (pow x 2) (pow y 2))
16.381 * [backup-simplify]: Simplify (- (* (/ 1 (- x)) (/ 1 (- x))) (* (/ 1 (- y)) (/ 1 (- y)))) into (- (/ 1 (pow x 2)) (/ 1 (pow y 2)))
16.381 * [approximate]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (pow y 2))) in (x y) around 0
16.381 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (pow y 2))) in y
16.381 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y
16.381 * [taylor]: Taking taylor expansion of (pow x 2) in y
16.381 * [taylor]: Taking taylor expansion of x in y
16.381 * [backup-simplify]: Simplify x into x
16.381 * [backup-simplify]: Simplify (* x x) into (pow x 2)
16.382 * [backup-simplify]: Simplify (/ 1 (pow x 2)) into (/ 1 (pow x 2))
16.382 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
16.382 * [taylor]: Taking taylor expansion of (pow y 2) in y
16.382 * [taylor]: Taking taylor expansion of y in y
16.382 * [backup-simplify]: Simplify 0 into 0
16.382 * [backup-simplify]: Simplify 1 into 1
16.382 * [backup-simplify]: Simplify (* 1 1) into 1
16.382 * [backup-simplify]: Simplify (/ 1 1) into 1
16.382 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (pow y 2))) in x
16.382 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
16.382 * [taylor]: Taking taylor expansion of (pow x 2) in x
16.382 * [taylor]: Taking taylor expansion of x in x
16.382 * [backup-simplify]: Simplify 0 into 0
16.382 * [backup-simplify]: Simplify 1 into 1
16.383 * [backup-simplify]: Simplify (* 1 1) into 1
16.383 * [backup-simplify]: Simplify (/ 1 1) into 1
16.383 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
16.383 * [taylor]: Taking taylor expansion of (pow y 2) in x
16.383 * [taylor]: Taking taylor expansion of y in x
16.383 * [backup-simplify]: Simplify y into y
16.383 * [backup-simplify]: Simplify (* y y) into (pow y 2)
16.383 * [backup-simplify]: Simplify (/ 1 (pow y 2)) into (/ 1 (pow y 2))
16.383 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 (pow y 2))) in x
16.383 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
16.383 * [taylor]: Taking taylor expansion of (pow x 2) in x
16.383 * [taylor]: Taking taylor expansion of x in x
16.383 * [backup-simplify]: Simplify 0 into 0
16.383 * [backup-simplify]: Simplify 1 into 1
16.383 * [backup-simplify]: Simplify (* 1 1) into 1
16.384 * [backup-simplify]: Simplify (/ 1 1) into 1
16.384 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x
16.384 * [taylor]: Taking taylor expansion of (pow y 2) in x
16.384 * [taylor]: Taking taylor expansion of y in x
16.384 * [backup-simplify]: Simplify y into y
16.384 * [backup-simplify]: Simplify (* y y) into (pow y 2)
16.384 * [backup-simplify]: Simplify (/ 1 (pow y 2)) into (/ 1 (pow y 2))
16.384 * [backup-simplify]: Simplify (+ 1 0) into 1
16.384 * [taylor]: Taking taylor expansion of 1 in y
16.384 * [backup-simplify]: Simplify 1 into 1
16.385 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
16.385 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
16.385 * [backup-simplify]: Simplify (+ 0 0) into 0
16.385 * [taylor]: Taking taylor expansion of 0 in y
16.385 * [backup-simplify]: Simplify 0 into 0
16.386 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
16.386 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
16.386 * [backup-simplify]: Simplify (- (/ 1 (pow y 2))) into (- (/ 1 (pow y 2)))
16.387 * [backup-simplify]: Simplify (+ 0 (- (/ 1 (pow y 2)))) into (- (/ 1 (pow y 2)))
16.387 * [taylor]: Taking taylor expansion of (- (/ 1 (pow y 2))) in y
16.387 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y
16.387 * [taylor]: Taking taylor expansion of (pow y 2) in y
16.387 * [taylor]: Taking taylor expansion of y in y
16.387 * [backup-simplify]: Simplify 0 into 0
16.387 * [backup-simplify]: Simplify 1 into 1
16.387 * [backup-simplify]: Simplify (* 1 1) into 1
16.387 * [backup-simplify]: Simplify (/ 1 1) into 1
16.388 * [backup-simplify]: Simplify (- 1) into -1
16.388 * [backup-simplify]: Simplify -1 into -1
16.388 * [backup-simplify]: Simplify 1 into 1
16.388 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
16.389 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
16.389 * [backup-simplify]: Simplify (+ (* y 0) (* 0 y)) into 0
16.389 * [backup-simplify]: Simplify (- (+ (* (/ 1 (pow y 2)) (/ 0 (pow y 2))))) into 0
16.389 * [backup-simplify]: Simplify (- 0) into 0
16.389 * [backup-simplify]: Simplify (+ 0 0) into 0
16.390 * [taylor]: Taking taylor expansion of 0 in y
16.390 * [backup-simplify]: Simplify 0 into 0
16.390 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
16.390 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
16.391 * [backup-simplify]: Simplify (- 0) into 0
16.391 * [backup-simplify]: Simplify 0 into 0
16.391 * [backup-simplify]: Simplify 0 into 0
16.391 * [backup-simplify]: Simplify 0 into 0
16.391 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
16.392 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
16.392 * [backup-simplify]: Simplify (+ (* y 0) (+ (* 0 0) (* 0 y))) into 0
16.392 * [backup-simplify]: Simplify (- (+ (* (/ 1 (pow y 2)) (/ 0 (pow y 2))) (* 0 (/ 0 (pow y 2))))) into 0
16.393 * [backup-simplify]: Simplify (- 0) into 0
16.393 * [backup-simplify]: Simplify (+ 0 0) into 0
16.393 * [taylor]: Taking taylor expansion of 0 in y
16.393 * [backup-simplify]: Simplify 0 into 0
16.393 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
16.394 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
16.394 * [backup-simplify]: Simplify (- 0) into 0
16.394 * [backup-simplify]: Simplify 0 into 0
16.394 * [backup-simplify]: Simplify 0 into 0
16.394 * [backup-simplify]: Simplify 0 into 0
16.395 * [backup-simplify]: Simplify (+ (* 1 (pow (* 1 (/ 1 (/ 1 (- x)))) 2)) (* -1 (pow (* (/ 1 (/ 1 (- y))) 1) 2))) into (- (pow x 2) (pow y 2))
16.395 * * * [progress]: simplifying candidates
16.395 * [simplify]: Simplifying:
  (/ (exp (* x x)) (exp (* y y)))
  (log (- (* x x) (* y y)))
  (exp (- (* x x) (* y y)))
  (* (cbrt (- (* x x) (* y y))) (cbrt (- (* x x) (* y y))))
  (cbrt (- (* x x) (* y y)))
  (* (* (- (* x x) (* y y)) (- (* x x) (* y y))) (- (* x x) (* y y)))
  (sqrt (- (* x x) (* y y)))
  (sqrt (- (* x x) (* y y)))
  (- (pow (* x x) 3) (pow (* y y) 3))
  (+ (* (* x x) (* x x)) (+ (* (* y y) (* y y)) (* (* x x) (* y y))))
  (- (* y y))
  (- (* (* x x) (* x x)) (* (* y y) (* y y)))
  (+ (* x x) (* y y))
  (+ x y)
  (- x y)
  (- (* y y))
  (- (pow x 2) (pow y 2))
  (- (pow x 2) (pow y 2))
  (- (pow x 2) (pow y 2))
16.395 * * [simplify]: Extracting # 0 : cost  0
16.395 * * [simplify]: Extracting # 1 : cost  0
16.395 * * [simplify]: Extracting # 2 : cost  0
16.396 * * [simplify]: Extracting # 3 : cost  0
16.396 * * [simplify]: Extracting # 4 : cost  0
16.396 * * [simplify]: Extracting # 5 : cost  0
16.396 * * [simplify]: iteration  0 :  33  enodes  (cost  180 )
16.410 * * [simplify]: Extracting # 0 : cost  0
16.411 * * [simplify]: Extracting # 1 : cost  0
16.411 * * [simplify]: Extracting # 2 : cost  0
16.411 * * [simplify]: Extracting # 3 : cost  0
16.411 * * [simplify]: Extracting # 4 : cost  0
16.412 * * [simplify]: iteration  1 :  91  enodes  (cost  175 )
16.445 * * [simplify]: Extracting # 0 : cost  0
16.445 * * [simplify]: Extracting # 1 : cost  0
16.445 * * [simplify]: Extracting # 2 : cost  0
16.445 * * [simplify]: Extracting # 3 : cost  0
16.446 * * [simplify]: Extracting # 4 : cost  0
16.446 * * [simplify]: iteration  2 :  254  enodes  (cost  145 )
16.576 * * [simplify]: Extracting # 0 : cost  0
16.578 * * [simplify]: Extracting # 1 : cost  0
16.579 * * [simplify]: Extracting # 2 : cost  0
16.580 * * [simplify]: Extracting # 3 : cost  0
16.580 * * [simplify]: Extracting # 4 : cost  0
16.581 * * [simplify]: iteration  3 :  793  enodes  (cost  145 )
17.556 * * [simplify]: Extracting # 0 : cost  0
17.561 * * [simplify]: Extracting # 1 : cost  0
17.565 * * [simplify]: Extracting # 2 : cost  0
17.568 * * [simplify]: Extracting # 3 : cost  0
17.572 * * [simplify]: Extracting # 4 : cost  0
17.575 * * [simplify]: iteration  4 :  3659  enodes  (cost  145 )
19.061 * * [simplify]: Extracting # 0 : cost  0
19.068 * * [simplify]: Extracting # 1 : cost  0
19.078 * * [simplify]: Extracting # 2 : cost  0
19.096 * * [simplify]: Extracting # 3 : cost  0
19.105 * * [simplify]: Extracting # 4 : cost  0
19.114 * * [simplify]: iteration done:  5001  enodes  (cost  145 )
19.114 * [simplify]: Simplified to:
  (exp (- (* x x) (* y y)))
  (log (- (* x x) (* y y)))
  (exp (- (* x x) (* y y)))
  (* (cbrt (- (* x x) (* y y))) (cbrt (- (* x x) (* y y))))
  (cbrt (- (* x x) (* y y)))
  (pow (- (* x x) (* y y)) 3)
  (sqrt (- (* x x) (* y y)))
  (sqrt (- (* x x) (* y y)))
  (- (pow x 6) (pow y 6))
  (+ (* (pow y 2) (+ (* x x) (* y y))) (pow x 4))
  (- (* y y))
  (- (pow x 4) (pow y 4))
  (+ (* x x) (* y y))
  (+ x y)
  (- x y)
  (- (* y y))
  (- (* x x) (* y y))
  (- (* x x) (* y y))
  (- (* x x) (* y y))
19.115 * * * [progress]: adding candidates to table
19.162 * [progress]: [Phase 3 of 3] Extracting.
19.162 * * [regime]: Finding splitpoints for: (#<alt (λ (x y) (pow (- (* x x) (* y y)) 1))> #<alt (λ (x y) (* (- x y) (+ x y)))>)
19.162 * * * [regime-changes]: Trying 5 branch expressions: ((* y y) (* x x) (- (* x x) (* y y)) y x)
19.162 * * * * [regimes]: Trying to branch on (* y y) from (#<alt (λ (x y) (pow (- (* x x) (* y y)) 1))> #<alt (λ (x y) (* (- x y) (+ x y)))>)
19.175 * * * * [regimes]: Trying to branch on (* x x) from (#<alt (λ (x y) (pow (- (* x x) (* y y)) 1))> #<alt (λ (x y) (* (- x y) (+ x y)))>)
19.186 * * * * [regimes]: Trying to branch on (- (* x x) (* y y)) from (#<alt (λ (x y) (pow (- (* x x) (* y y)) 1))> #<alt (λ (x y) (* (- x y) (+ x y)))>)
19.204 * * * * [regimes]: Trying to branch on y from (#<alt (λ (x y) (pow (- (* x x) (* y y)) 1))> #<alt (λ (x y) (* (- x y) (+ x y)))>)
19.219 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x y) (pow (- (* x x) (* y y)) 1))> #<alt (λ (x y) (* (- x y) (+ x y)))>)
19.232 * * * [regime]: Found split indices: #<option (#s(si 1 255))>
19.233 * [simplify]: Simplifying:
  (* (- x y) (+ x y))
19.233 * * [simplify]: Extracting # 0 : cost  0
19.233 * * [simplify]: Extracting # 1 : cost  0
19.233 * * [simplify]: Extracting # 2 : cost  0
19.233 * * [simplify]: Extracting # 3 : cost  0
19.233 * * [simplify]: Extracting # 4 : cost  0
19.233 * * [simplify]: iteration  0 :  5  enodes  (cost  7 )
19.233 * * [simplify]: Extracting # 0 : cost  0
19.233 * * [simplify]: iteration  1 :  7  enodes  (cost  7 )
19.234 * * [simplify]: Extracting # 0 : cost  0
19.234 * * [simplify]: iteration done:  7  enodes  (cost  7 )
19.234 * [simplify]: Simplified to:
  (* (- x y) (+ x y))
20.480 * [regime-testing]: Baseline error score: 0.0008751093886735842
20.483 * [regime-testing]: Oracle error score: 0.00037504688086010754
20.490 * [regime-testing]: End program error score: 0.0008751093886735842