33.670 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.018 * * * [progress]: [2/2] Setting up program.
0.024 * [progress]: [Phase 2 of 3] Improving.
0.024 * [simplify]: Simplifying:
  (/ (- x y) (* (* x 2.0) y))
0.024 * * [simplify]: iteration 0: 7 enodes
0.026 * * [simplify]: iteration 1: 18 enodes
0.032 * * [simplify]: iteration 2: 44 enodes
0.050 * * [simplify]: iteration 3: 71 enodes
0.068 * * [simplify]: iteration 4: 112 enodes
0.095 * * [simplify]: iteration 5: 152 enodes
0.120 * * [simplify]: iteration 6: 160 enodes
0.140 * * [simplify]: iteration 7: 162 enodes
0.153 * * [simplify]: iteration 8: 163 enodes
0.167 * * [simplify]: iteration complete: 163 enodes
0.168 * * [simplify]: Extracting #0: cost 1 inf + 0
0.168 * * [simplify]: Extracting #1: cost 18 inf + 0
0.168 * * [simplify]: Extracting #2: cost 33 inf + 45
0.168 * * [simplify]: Extracting #3: cost 7 inf + 1621
0.169 * * [simplify]: Extracting #4: cost 0 inf + 2239
0.170 * [simplify]: Simplified to:
  (/ (- x y) (* x (* 2.0 y)))
0.171 * * [progress]: iteration 1 / 4
0.171 * * * [progress]: picking best candidate
0.174 * * * * [pick]: Picked  #<alt (λ (x y) (/ (- x y) (* (* x 2.0) y)))>
0.174 * * * [progress]: localizing error
0.182 * * * [progress]: generating rewritten candidates
0.182 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.206 * * * [progress]: generating series expansions
0.206 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.206 * [backup-simplify]: Simplify (/ (- x y) (* (* x 2.0) y)) into (* 0.5 (/ (- x y) (* x y)))
0.206 * [approximate]: Taking taylor expansion of (* 0.5 (/ (- x y) (* x y))) in (x y) around 0
0.206 * [taylor]: Taking taylor expansion of (* 0.5 (/ (- x y) (* x y))) in y
0.206 * [taylor]: Taking taylor expansion of 0.5 in y
0.206 * [backup-simplify]: Simplify 0.5 into 0.5
0.206 * [taylor]: Taking taylor expansion of (/ (- x y) (* x y)) in y
0.206 * [taylor]: Taking taylor expansion of (- x y) in y
0.206 * [taylor]: Taking taylor expansion of x in y
0.206 * [backup-simplify]: Simplify x into x
0.206 * [taylor]: Taking taylor expansion of y in y
0.206 * [backup-simplify]: Simplify 0 into 0
0.206 * [backup-simplify]: Simplify 1 into 1
0.206 * [taylor]: Taking taylor expansion of (* x y) in y
0.206 * [taylor]: Taking taylor expansion of x in y
0.206 * [backup-simplify]: Simplify x into x
0.206 * [taylor]: Taking taylor expansion of y in y
0.206 * [backup-simplify]: Simplify 0 into 0
0.206 * [backup-simplify]: Simplify 1 into 1
0.207 * [backup-simplify]: Simplify (- 0) into 0
0.207 * [backup-simplify]: Simplify (+ x 0) into x
0.207 * [backup-simplify]: Simplify (* x 0) into 0
0.207 * [backup-simplify]: Simplify (+ (* x 1) (* 0 0)) into x
0.207 * [backup-simplify]: Simplify (/ x x) into 1
0.207 * [taylor]: Taking taylor expansion of (* 0.5 (/ (- x y) (* x y))) in x
0.207 * [taylor]: Taking taylor expansion of 0.5 in x
0.207 * [backup-simplify]: Simplify 0.5 into 0.5
0.207 * [taylor]: Taking taylor expansion of (/ (- x y) (* x y)) in x
0.207 * [taylor]: Taking taylor expansion of (- x y) in x
0.207 * [taylor]: Taking taylor expansion of x in x
0.207 * [backup-simplify]: Simplify 0 into 0
0.207 * [backup-simplify]: Simplify 1 into 1
0.207 * [taylor]: Taking taylor expansion of y in x
0.207 * [backup-simplify]: Simplify y into y
0.207 * [taylor]: Taking taylor expansion of (* x y) in x
0.207 * [taylor]: Taking taylor expansion of x in x
0.207 * [backup-simplify]: Simplify 0 into 0
0.207 * [backup-simplify]: Simplify 1 into 1
0.207 * [taylor]: Taking taylor expansion of y in x
0.207 * [backup-simplify]: Simplify y into y
0.207 * [backup-simplify]: Simplify (- y) into (- y)
0.207 * [backup-simplify]: Simplify (+ 0 (- y)) into (- y)
0.207 * [backup-simplify]: Simplify (* 0 y) into 0
0.208 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 y)) into y
0.208 * [backup-simplify]: Simplify (/ (- y) y) into -1
0.208 * [taylor]: Taking taylor expansion of (* 0.5 (/ (- x y) (* x y))) in x
0.208 * [taylor]: Taking taylor expansion of 0.5 in x
0.208 * [backup-simplify]: Simplify 0.5 into 0.5
0.208 * [taylor]: Taking taylor expansion of (/ (- x y) (* x y)) in x
0.208 * [taylor]: Taking taylor expansion of (- x y) in x
0.208 * [taylor]: Taking taylor expansion of x in x
0.208 * [backup-simplify]: Simplify 0 into 0
0.208 * [backup-simplify]: Simplify 1 into 1
0.208 * [taylor]: Taking taylor expansion of y in x
0.208 * [backup-simplify]: Simplify y into y
0.208 * [taylor]: Taking taylor expansion of (* x y) in x
0.208 * [taylor]: Taking taylor expansion of x in x
0.208 * [backup-simplify]: Simplify 0 into 0
0.208 * [backup-simplify]: Simplify 1 into 1
0.208 * [taylor]: Taking taylor expansion of y in x
0.208 * [backup-simplify]: Simplify y into y
0.208 * [backup-simplify]: Simplify (- y) into (- y)
0.208 * [backup-simplify]: Simplify (+ 0 (- y)) into (- y)
0.208 * [backup-simplify]: Simplify (* 0 y) into 0
0.208 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 y)) into y
0.208 * [backup-simplify]: Simplify (/ (- y) y) into -1
0.209 * [backup-simplify]: Simplify (* 0.5 -1) into -0.5
0.209 * [taylor]: Taking taylor expansion of -0.5 in y
0.209 * [backup-simplify]: Simplify -0.5 into -0.5
0.209 * [backup-simplify]: Simplify (- 0) into 0
0.209 * [backup-simplify]: Simplify (+ 1 0) into 1
0.210 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (* 0 y))) into 0
0.210 * [backup-simplify]: Simplify (- (/ 1 y) (+ (* -1 (/ 0 y)))) into (/ 1 y)
0.210 * [backup-simplify]: Simplify (+ (* 0.5 (/ 1 y)) (* 0 -1)) into (* 0.5 (/ 1 y))
0.210 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in y
0.210 * [taylor]: Taking taylor expansion of 0.5 in y
0.210 * [backup-simplify]: Simplify 0.5 into 0.5
0.210 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.210 * [taylor]: Taking taylor expansion of y in y
0.210 * [backup-simplify]: Simplify 0 into 0
0.210 * [backup-simplify]: Simplify 1 into 1
0.211 * [backup-simplify]: Simplify (/ 1 1) into 1
0.211 * [backup-simplify]: Simplify (* 0.5 1) into 0.5
0.211 * [backup-simplify]: Simplify 0.5 into 0.5
0.211 * [backup-simplify]: Simplify -0.5 into -0.5
0.211 * [backup-simplify]: Simplify (- 0) into 0
0.212 * [backup-simplify]: Simplify (+ 0 0) into 0
0.212 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (* 0 y)))) into 0
0.212 * [backup-simplify]: Simplify (- (/ 0 y) (+ (* -1 (/ 0 y)) (* (/ 1 y) (/ 0 y)))) into 0
0.213 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 (/ 1 y)) (* 0 -1))) into 0
0.213 * [taylor]: Taking taylor expansion of 0 in y
0.213 * [backup-simplify]: Simplify 0 into 0
0.214 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.214 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 1)) into 0
0.214 * [backup-simplify]: Simplify 0 into 0
0.214 * [backup-simplify]: Simplify 0 into 0
0.214 * [backup-simplify]: Simplify (- 0) into 0
0.215 * [backup-simplify]: Simplify (+ 0 0) into 0
0.216 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 y))))) into 0
0.216 * [backup-simplify]: Simplify (- (/ 0 y) (+ (* -1 (/ 0 y)) (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0
0.217 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 (/ 1 y)) (* 0 -1)))) into 0
0.217 * [taylor]: Taking taylor expansion of 0 in y
0.217 * [backup-simplify]: Simplify 0 into 0
0.217 * [backup-simplify]: Simplify 0 into 0
0.217 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.218 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 1))) into 0
0.218 * [backup-simplify]: Simplify 0 into 0
0.218 * [backup-simplify]: Simplify 0 into 0
0.218 * [backup-simplify]: Simplify (- 0) into 0
0.218 * [backup-simplify]: Simplify (+ 0 0) into 0
0.220 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 y)))))) into 0
0.220 * [backup-simplify]: Simplify (- (/ 0 y) (+ (* -1 (/ 0 y)) (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)) (* 0 (/ 0 y)))) into 0
0.221 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 (/ 1 y)) (* 0 -1))))) into 0
0.221 * [taylor]: Taking taylor expansion of 0 in y
0.221 * [backup-simplify]: Simplify 0 into 0
0.221 * [backup-simplify]: Simplify 0 into 0
0.221 * [backup-simplify]: Simplify (+ (* -0.5 (* 1 (/ 1 x))) (* 0.5 (* (/ 1 y) 1))) into (- (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x)))
0.221 * [backup-simplify]: Simplify (/ (- (/ 1 x) (/ 1 y)) (* (* (/ 1 x) 2.0) (/ 1 y))) into (* 0.5 (* x (* y (- (/ 1 x) (/ 1 y)))))
0.221 * [approximate]: Taking taylor expansion of (* 0.5 (* x (* y (- (/ 1 x) (/ 1 y))))) in (x y) around 0
0.221 * [taylor]: Taking taylor expansion of (* 0.5 (* x (* y (- (/ 1 x) (/ 1 y))))) in y
0.221 * [taylor]: Taking taylor expansion of 0.5 in y
0.221 * [backup-simplify]: Simplify 0.5 into 0.5
0.221 * [taylor]: Taking taylor expansion of (* x (* y (- (/ 1 x) (/ 1 y)))) in y
0.221 * [taylor]: Taking taylor expansion of x in y
0.221 * [backup-simplify]: Simplify x into x
0.221 * [taylor]: Taking taylor expansion of (* y (- (/ 1 x) (/ 1 y))) in y
0.221 * [taylor]: Taking taylor expansion of y in y
0.221 * [backup-simplify]: Simplify 0 into 0
0.221 * [backup-simplify]: Simplify 1 into 1
0.221 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in y
0.221 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.221 * [taylor]: Taking taylor expansion of x in y
0.221 * [backup-simplify]: Simplify x into x
0.221 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
0.221 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.221 * [taylor]: Taking taylor expansion of y in y
0.221 * [backup-simplify]: Simplify 0 into 0
0.221 * [backup-simplify]: Simplify 1 into 1
0.222 * [backup-simplify]: Simplify (/ 1 1) into 1
0.222 * [taylor]: Taking taylor expansion of (* 0.5 (* x (* y (- (/ 1 x) (/ 1 y))))) in x
0.222 * [taylor]: Taking taylor expansion of 0.5 in x
0.222 * [backup-simplify]: Simplify 0.5 into 0.5
0.222 * [taylor]: Taking taylor expansion of (* x (* y (- (/ 1 x) (/ 1 y)))) in x
0.222 * [taylor]: Taking taylor expansion of x in x
0.222 * [backup-simplify]: Simplify 0 into 0
0.222 * [backup-simplify]: Simplify 1 into 1
0.222 * [taylor]: Taking taylor expansion of (* y (- (/ 1 x) (/ 1 y))) in x
0.222 * [taylor]: Taking taylor expansion of y in x
0.222 * [backup-simplify]: Simplify y into y
0.222 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
0.222 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.222 * [taylor]: Taking taylor expansion of x in x
0.222 * [backup-simplify]: Simplify 0 into 0
0.222 * [backup-simplify]: Simplify 1 into 1
0.222 * [backup-simplify]: Simplify (/ 1 1) into 1
0.222 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.222 * [taylor]: Taking taylor expansion of y in x
0.222 * [backup-simplify]: Simplify y into y
0.222 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
0.222 * [taylor]: Taking taylor expansion of (* 0.5 (* x (* y (- (/ 1 x) (/ 1 y))))) in x
0.222 * [taylor]: Taking taylor expansion of 0.5 in x
0.222 * [backup-simplify]: Simplify 0.5 into 0.5
0.222 * [taylor]: Taking taylor expansion of (* x (* y (- (/ 1 x) (/ 1 y)))) in x
0.222 * [taylor]: Taking taylor expansion of x in x
0.222 * [backup-simplify]: Simplify 0 into 0
0.222 * [backup-simplify]: Simplify 1 into 1
0.222 * [taylor]: Taking taylor expansion of (* y (- (/ 1 x) (/ 1 y))) in x
0.222 * [taylor]: Taking taylor expansion of y in x
0.222 * [backup-simplify]: Simplify y into y
0.222 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
0.223 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.223 * [taylor]: Taking taylor expansion of x in x
0.223 * [backup-simplify]: Simplify 0 into 0
0.223 * [backup-simplify]: Simplify 1 into 1
0.223 * [backup-simplify]: Simplify (/ 1 1) into 1
0.223 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.223 * [taylor]: Taking taylor expansion of y in x
0.223 * [backup-simplify]: Simplify y into y
0.223 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
0.223 * [backup-simplify]: Simplify (+ 1 0) into 1
0.223 * [backup-simplify]: Simplify (* y 1) into y
0.223 * [backup-simplify]: Simplify (* 0 y) into 0
0.224 * [backup-simplify]: Simplify (* 0.5 0) into 0
0.224 * [taylor]: Taking taylor expansion of 0 in y
0.224 * [backup-simplify]: Simplify 0 into 0
0.224 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.224 * [backup-simplify]: Simplify (- (/ 1 y)) into (- (/ 1 y))
0.224 * [backup-simplify]: Simplify (+ 0 (- (/ 1 y))) into (- (/ 1 y))
0.225 * [backup-simplify]: Simplify (+ (* y (- (/ 1 y))) (* 0 1)) into (- 1)
0.225 * [backup-simplify]: Simplify (+ (* 0 (- 1)) (* 1 y)) into y
0.225 * [backup-simplify]: Simplify (+ (* 0.5 y) (* 0 0)) into (* 0.5 y)
0.225 * [taylor]: Taking taylor expansion of (* 0.5 y) in y
0.225 * [taylor]: Taking taylor expansion of 0.5 in y
0.225 * [backup-simplify]: Simplify 0.5 into 0.5
0.225 * [taylor]: Taking taylor expansion of y in y
0.225 * [backup-simplify]: Simplify 0 into 0
0.225 * [backup-simplify]: Simplify 1 into 1
0.225 * [backup-simplify]: Simplify 0 into 0
0.226 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.226 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0
0.226 * [backup-simplify]: Simplify (- 0) into 0
0.226 * [backup-simplify]: Simplify (+ 0 0) into 0
0.227 * [backup-simplify]: Simplify (+ (* y 0) (+ (* 0 (- (/ 1 y))) (* 0 1))) into 0
0.227 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 (- 1)) (* 0 y))) into (- 1)
0.228 * [backup-simplify]: Simplify (+ (* 0.5 (- 1)) (+ (* 0 y) (* 0 0))) into (- 0.5)
0.228 * [taylor]: Taking taylor expansion of (- 0.5) in y
0.228 * [taylor]: Taking taylor expansion of 0.5 in y
0.228 * [backup-simplify]: Simplify 0.5 into 0.5
0.229 * [backup-simplify]: Simplify (* 0.5 0) into 0
0.229 * [backup-simplify]: Simplify 0 into 0
0.229 * [backup-simplify]: Simplify 0 into 0
0.229 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.229 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0
0.229 * [backup-simplify]: Simplify (- 0) into 0
0.230 * [backup-simplify]: Simplify (+ 0 0) into 0
0.230 * [backup-simplify]: Simplify (+ (* y 0) (+ (* 0 0) (+ (* 0 (- (/ 1 y))) (* 0 1)))) into 0
0.231 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 (- 1)) (* 0 y)))) into 0
0.232 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 (- 1)) (+ (* 0 y) (* 0 0)))) into 0
0.232 * [taylor]: Taking taylor expansion of 0 in y
0.232 * [backup-simplify]: Simplify 0 into 0
0.232 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
0.233 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
0.233 * [backup-simplify]: Simplify (+ (* 0.5 1) (* 0 0)) into 0.5
0.233 * [backup-simplify]: Simplify 0.5 into 0.5
0.234 * [backup-simplify]: Simplify 0 into 0
0.234 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.234 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)) (* 0 (/ 0 y)))) into 0
0.234 * [backup-simplify]: Simplify (- 0) into 0
0.235 * [backup-simplify]: Simplify (+ 0 0) into 0
0.236 * [backup-simplify]: Simplify (+ (* y 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 (- (/ 1 y))) (* 0 1))))) into 0
0.237 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 (- 1)) (* 0 y))))) into 0
0.238 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 (- 1)) (+ (* 0 y) (* 0 0))))) into 0
0.238 * [taylor]: Taking taylor expansion of 0 in y
0.238 * [backup-simplify]: Simplify 0 into 0
0.238 * [backup-simplify]: Simplify 0 into 0
0.238 * [backup-simplify]: Simplify (- 0) into 0
0.238 * [backup-simplify]: Simplify 0 into 0
0.239 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 1) (* 0 0))) into 0
0.239 * [backup-simplify]: Simplify 0 into 0
0.239 * [backup-simplify]: Simplify 0 into 0
0.240 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.240 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)) (* 0 (/ 0 y)) (* 0 (/ 0 y)))) into 0
0.241 * [backup-simplify]: Simplify (- 0) into 0
0.241 * [backup-simplify]: Simplify (+ 0 0) into 0
0.243 * [backup-simplify]: Simplify (+ (* y 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 (- (/ 1 y))) (* 0 1)))))) into 0
0.244 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 (- 1)) (* 0 y)))))) into 0
0.245 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 (- 1)) (+ (* 0 y) (* 0 0)))))) into 0
0.245 * [taylor]: Taking taylor expansion of 0 in y
0.245 * [backup-simplify]: Simplify 0 into 0
0.245 * [backup-simplify]: Simplify 0 into 0
0.246 * [backup-simplify]: Simplify (+ (* 0.5 (* (/ 1 y) 1)) (* (- 0.5) (* 1 (/ 1 x)))) into (- (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x)))
0.246 * [backup-simplify]: Simplify (/ (- (/ 1 (- x)) (/ 1 (- y))) (* (* (/ 1 (- x)) 2.0) (/ 1 (- y)))) into (* 0.5 (* (- (/ 1 y) (/ 1 x)) (* x y)))
0.246 * [approximate]: Taking taylor expansion of (* 0.5 (* (- (/ 1 y) (/ 1 x)) (* x y))) in (x y) around 0
0.246 * [taylor]: Taking taylor expansion of (* 0.5 (* (- (/ 1 y) (/ 1 x)) (* x y))) in y
0.246 * [taylor]: Taking taylor expansion of 0.5 in y
0.246 * [backup-simplify]: Simplify 0.5 into 0.5
0.246 * [taylor]: Taking taylor expansion of (* (- (/ 1 y) (/ 1 x)) (* x y)) in y
0.246 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in y
0.246 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.246 * [taylor]: Taking taylor expansion of y in y
0.246 * [backup-simplify]: Simplify 0 into 0
0.246 * [backup-simplify]: Simplify 1 into 1
0.249 * [backup-simplify]: Simplify (/ 1 1) into 1
0.249 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.249 * [taylor]: Taking taylor expansion of x in y
0.249 * [backup-simplify]: Simplify x into x
0.249 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
0.249 * [taylor]: Taking taylor expansion of (* x y) in y
0.249 * [taylor]: Taking taylor expansion of x in y
0.249 * [backup-simplify]: Simplify x into x
0.249 * [taylor]: Taking taylor expansion of y in y
0.249 * [backup-simplify]: Simplify 0 into 0
0.249 * [backup-simplify]: Simplify 1 into 1
0.249 * [taylor]: Taking taylor expansion of (* 0.5 (* (- (/ 1 y) (/ 1 x)) (* 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 (* (- (/ 1 y) (/ 1 x)) (* x y)) in x
0.249 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
0.249 * [taylor]: Taking taylor expansion of (/ 1 y) in x
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 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.249 * [taylor]: Taking taylor expansion of x in x
0.249 * [backup-simplify]: Simplify 0 into 0
0.250 * [backup-simplify]: Simplify 1 into 1
0.250 * [backup-simplify]: Simplify (/ 1 1) into 1
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 * [taylor]: Taking taylor expansion of (* 0.5 (* (- (/ 1 y) (/ 1 x)) (* 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 (* (- (/ 1 y) (/ 1 x)) (* x y)) in x
0.250 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
0.250 * [taylor]: Taking taylor expansion of (/ 1 y) in x
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 * [taylor]: Taking taylor expansion of (/ 1 x) 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 * [backup-simplify]: Simplify (/ 1 1) into 1
0.251 * [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
0.251 * [backup-simplify]: Simplify (- 1) into -1
0.251 * [backup-simplify]: Simplify (+ 0 -1) into -1
0.251 * [backup-simplify]: Simplify (* 0 y) into 0
0.251 * [backup-simplify]: Simplify (* -1 0) into 0
0.252 * [backup-simplify]: Simplify (* 0.5 0) into 0
0.252 * [taylor]: Taking taylor expansion of 0 in y
0.252 * [backup-simplify]: Simplify 0 into 0
0.252 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 y)) into y
0.253 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.253 * [backup-simplify]: Simplify (- 0) into 0
0.253 * [backup-simplify]: Simplify (+ (/ 1 y) 0) into (/ 1 y)
0.253 * [backup-simplify]: Simplify (+ (* -1 y) (* (/ 1 y) 0)) into (- y)
0.253 * [backup-simplify]: Simplify (+ (* 0.5 (- y)) (* 0 0)) into (- (* 0.5 y))
0.253 * [taylor]: Taking taylor expansion of (- (* 0.5 y)) in y
0.253 * [taylor]: Taking taylor expansion of (* 0.5 y) in y
0.253 * [taylor]: Taking taylor expansion of 0.5 in y
0.253 * [backup-simplify]: Simplify 0.5 into 0.5
0.253 * [taylor]: Taking taylor expansion of y in y
0.253 * [backup-simplify]: Simplify 0 into 0
0.253 * [backup-simplify]: Simplify 1 into 1
0.253 * [backup-simplify]: Simplify 0 into 0
0.254 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (* 0 y))) into 0
0.254 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0
0.255 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.255 * [backup-simplify]: Simplify (- 0) into 0
0.255 * [backup-simplify]: Simplify (+ 0 0) into 0
0.256 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* (/ 1 y) y) (* 0 0))) into 1
0.256 * [backup-simplify]: Simplify (+ (* 0.5 1) (+ (* 0 (- y)) (* 0 0))) into 0.5
0.256 * [taylor]: Taking taylor expansion of 0.5 in y
0.257 * [backup-simplify]: Simplify 0.5 into 0.5
0.257 * [backup-simplify]: Simplify (* 0.5 0) into 0
0.257 * [backup-simplify]: Simplify (- 0) into 0
0.257 * [backup-simplify]: Simplify 0 into 0
0.257 * [backup-simplify]: Simplify 0 into 0
0.258 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (* 0 y)))) into 0
0.258 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0
0.258 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.259 * [backup-simplify]: Simplify (- 0) into 0
0.259 * [backup-simplify]: Simplify (+ 0 0) into 0
0.259 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* (/ 1 y) 0) (+ (* 0 y) (* 0 0)))) into 0
0.260 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 1) (+ (* 0 (- y)) (* 0 0)))) into 0
0.260 * [taylor]: Taking taylor expansion of 0 in y
0.260 * [backup-simplify]: Simplify 0 into 0
0.260 * [backup-simplify]: Simplify 0.5 into 0.5
0.261 * [backup-simplify]: Simplify (+ (* 0.5 1) (* 0 0)) into 0.5
0.262 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
0.262 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
0.262 * [backup-simplify]: Simplify 0 into 0
0.263 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 y))))) into 0
0.263 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)) (* 0 (/ 0 y)))) into 0
0.264 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.264 * [backup-simplify]: Simplify (- 0) into 0
0.264 * [backup-simplify]: Simplify (+ 0 0) into 0
0.265 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* (/ 1 y) 0) (+ (* 0 0) (+ (* 0 y) (* 0 0))))) into 0
0.266 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 1) (+ (* 0 (- y)) (* 0 0))))) into 0
0.266 * [taylor]: Taking taylor expansion of 0 in y
0.266 * [backup-simplify]: Simplify 0 into 0
0.266 * [backup-simplify]: Simplify 0 into 0
0.266 * [backup-simplify]: Simplify 0 into 0
0.267 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 1) (* 0 0))) into 0
0.267 * [backup-simplify]: Simplify (- 0) into 0
0.267 * [backup-simplify]: Simplify 0 into 0
0.267 * [backup-simplify]: Simplify 0 into 0
0.268 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 y)))))) into 0
0.269 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)) (* 0 (/ 0 y)) (* 0 (/ 0 y)))) into 0
0.269 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.269 * [backup-simplify]: Simplify (- 0) into 0
0.270 * [backup-simplify]: Simplify (+ 0 0) into 0
0.271 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* (/ 1 y) 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 y) (* 0 0)))))) into 0
0.272 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (+ (* 0 (- y)) (* 0 0)))))) into 0
0.272 * [taylor]: Taking taylor expansion of 0 in y
0.272 * [backup-simplify]: Simplify 0 into 0
0.272 * [backup-simplify]: Simplify 0 into 0
0.272 * [backup-simplify]: Simplify (+ (* (- 0.5) (* (/ 1 (- y)) 1)) (* 0.5 (* 1 (/ 1 (- x))))) into (- (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x)))
0.272 * * * [progress]: simplifying candidates
0.273 * [simplify]: Simplifying:
  (- (log (- x y)) (+ (+ (log x) (log 2.0)) (log y)))
  (- (log (- x y)) (+ (log (* x 2.0)) (log y)))
  (- (log (- x y)) (log (* (* x 2.0) y)))
  (log (/ (- x y) (* (* x 2.0) y)))
  (exp (/ (- x y) (* (* x 2.0) y)))
  (/ (* (* (- x y) (- x y)) (- x y)) (* (* (* (* x x) x) (* (* 2.0 2.0) 2.0)) (* (* y y) y)))
  (/ (* (* (- x y) (- x y)) (- x y)) (* (* (* (* x 2.0) (* x 2.0)) (* x 2.0)) (* (* y y) y)))
  (/ (* (* (- x y) (- x y)) (- x y)) (* (* (* (* x 2.0) y) (* (* x 2.0) y)) (* (* x 2.0) y)))
  (* (cbrt (/ (- x y) (* (* x 2.0) y))) (cbrt (/ (- x y) (* (* x 2.0) y))))
  (cbrt (/ (- x y) (* (* x 2.0) y)))
  (* (* (/ (- x y) (* (* x 2.0) y)) (/ (- x y) (* (* x 2.0) y))) (/ (- x y) (* (* x 2.0) y)))
  (sqrt (/ (- x y) (* (* x 2.0) y)))
  (sqrt (/ (- x y) (* (* x 2.0) y)))
  (- (- x y))
  (- (* (* x 2.0) y))
  (/ x (* (* x 2.0) y))
  (/ y (* (* x 2.0) y))
  (/ (* (cbrt (- x y)) (cbrt (- x y))) (* x 2.0))
  (/ (cbrt (- x y)) y)
  (/ (sqrt (- x y)) (* x 2.0))
  (/ (sqrt (- x y)) y)
  (/ 1 (* x 2.0))
  (/ (- x y) y)
  (/ (+ (sqrt x) (sqrt y)) (* x 2.0))
  (/ (- (sqrt x) (sqrt y)) y)
  (/ 1 (* x 2.0))
  (/ (- x y) y)
  (/ 1 (* (* x 2.0) y))
  (/ (* (* x 2.0) y) (- x y))
  (/ (- x y) (* x 2.0))
  (/ (* (* x 2.0) y) (cbrt (- x y)))
  (/ (* (* x 2.0) y) (sqrt (- x y)))
  (/ (* (* x 2.0) y) (- x y))
  (/ (* (* x 2.0) y) (- (sqrt x) (sqrt y)))
  (/ (* (* x 2.0) y) (- x y))
  (* (* (* x 2.0) y) (+ (* x x) (+ (* y y) (* x y))))
  (* (* (* x 2.0) y) (+ x y))
  (- (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x)))
  (- (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x)))
  (- (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x)))
0.274 * * [simplify]: iteration 0: 82 enodes
0.290 * * [simplify]: iteration 1: 231 enodes
0.357 * * [simplify]: iteration 2: 814 enodes
0.773 * * [simplify]: iteration complete: 5004 enodes
0.773 * * [simplify]: Extracting #0: cost 27 inf + 0
0.774 * * [simplify]: Extracting #1: cost 704 inf + 0
0.780 * * [simplify]: Extracting #2: cost 1651 inf + 4953
0.798 * * [simplify]: Extracting #3: cost 1292 inf + 102721
0.859 * * [simplify]: Extracting #4: cost 203 inf + 314408
0.935 * * [simplify]: Extracting #5: cost 6 inf + 345770
1.009 * * [simplify]: Extracting #6: cost 0 inf + 345226
1.084 * [simplify]: Simplified to:
  (log (/ (/ (- x y) (* 2.0 y)) x))
  (log (/ (/ (- x y) (* 2.0 y)) x))
  (log (/ (/ (- x y) (* 2.0 y)) x))
  (log (/ (/ (- x y) (* 2.0 y)) x))
  (exp (/ (/ (- x y) (* 2.0 y)) x))
  (* (* (/ (/ (- x y) (* 2.0 y)) x) (/ (/ (- x y) (* 2.0 y)) x)) (/ (/ (- x y) (* 2.0 y)) x))
  (* (* (/ (/ (- x y) (* 2.0 y)) x) (/ (/ (- x y) (* 2.0 y)) x)) (/ (/ (- x y) (* 2.0 y)) x))
  (* (* (/ (/ (- x y) (* 2.0 y)) x) (/ (/ (- x y) (* 2.0 y)) x)) (/ (/ (- x y) (* 2.0 y)) x))
  (* (cbrt (/ (/ (- x y) (* 2.0 y)) x)) (cbrt (/ (/ (- x y) (* 2.0 y)) x)))
  (cbrt (/ (/ (- x y) (* 2.0 y)) x))
  (* (* (/ (/ (- x y) (* 2.0 y)) x) (/ (/ (- x y) (* 2.0 y)) x)) (/ (/ (- x y) (* 2.0 y)) x))
  (sqrt (/ (/ (- x y) (* 2.0 y)) x))
  (sqrt (/ (/ (- x y) (* 2.0 y)) x))
  (+ (- x) y)
  (* (* y x) (- 2.0))
  (/ (/ 1 2.0) y)
  (/ (/ y (* 2.0 x)) y)
  (/ (/ (cbrt (- x y)) (/ 2.0 (cbrt (- x y)))) x)
  (/ (cbrt (- x y)) y)
  (/ (/ (sqrt (- x y)) x) 2.0)
  (/ (sqrt (- x y)) y)
  (/ 1 (* 2.0 x))
  (/ (- x y) y)
  (/ (+ (sqrt y) (sqrt x)) (* 2.0 x))
  (/ (- (sqrt x) (sqrt y)) y)
  (/ 1 (* 2.0 x))
  (/ (- x y) y)
  (/ (/ 1 (* 2.0 x)) y)
  (/ (* (* 2.0 x) y) (- x y))
  (/ (/ (- x y) x) 2.0)
  (/ (* (* 2.0 x) y) (cbrt (- x y)))
  (/ (* (* 2.0 x) y) (sqrt (- x y)))
  (/ (* (* 2.0 x) y) (- x y))
  (/ (* (* 2.0 x) y) (- (sqrt x) (sqrt y)))
  (/ (* (* 2.0 x) y) (- x y))
  (* (* (* 2.0 x) y) (+ (* y (+ x y)) (* x x)))
  (* (* 2.0 x) (* y (+ x y)))
  (- (/ 0.5 y) (/ 0.5 x))
  (- (/ 0.5 y) (/ 0.5 x))
  (- (/ 0.5 y) (/ 0.5 x))
1.085 * * * [progress]: adding candidates to table
1.176 * * [progress]: iteration 2 / 4
1.176 * * * [progress]: picking best candidate
1.179 * * * * [pick]: Picked  #<alt (λ (x y) (- (/ 0.5 y) (/ 0.5 x)))>
1.179 * * * [progress]: localizing error
1.186 * * * [progress]: generating rewritten candidates
1.186 * * * [progress]: generating series expansions
1.186 * * * [progress]: simplifying candidates
1.186 * [simplify]: Simplifying:
  
1.186 * * [simplify]: iteration 0: 0 enodes
1.186 * * [simplify]: iteration complete: 0 enodes
1.186 * * [simplify]: Extracting #0: cost 0 inf + 0
1.186 * [simplify]: Simplified to:
  
1.186 * * * [progress]: adding candidates to table
1.186 * [progress]: [Phase 3 of 3] Extracting.
1.189 * [simplify]: Simplifying:
  (- (/ 0.5 y) (/ 0.5 x))
1.189 * * [simplify]: iteration 0: 6 enodes
1.190 * * [simplify]: iteration complete: 6 enodes
1.190 * * [simplify]: Extracting #0: cost 1 inf + 0
1.190 * * [simplify]: Extracting #1: cost 3 inf + 0
1.190 * * [simplify]: Extracting #2: cost 6 inf + 0
1.190 * * [simplify]: Extracting #3: cost 3 inf + 3
1.190 * * [simplify]: Extracting #4: cost 0 inf + 210
1.190 * [simplify]: Simplified to:
  (- (/ 0.5 y) (/ 0.5 x))
1.910 * [regime-testing]: Baseline error score: 0.014251781472684086
1.922 * [regime-testing]: Oracle error score: 0.014251781472684086
1.923 * [regime-testing]: End program error score: 0.014251781472684086
2.018 * [regime-testing]: Target error score: 0.014251781472684086