21.929 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.028 * * * [progress]: [2/2] Setting up program.
0.035 * [progress]: [Phase 2 of 3] Improving.
0.035 * [simplify]: Simplifying:
  (/ (+ x y) (+ y y))
0.035 * * [simplify]: iteration 0: 5 enodes
0.037 * * [simplify]: iteration 1: 8 enodes
0.039 * * [simplify]: iteration 2: 11 enodes
0.042 * * [simplify]: iteration 3: 13 enodes
0.045 * * [simplify]: iteration complete: 13 enodes
0.045 * * [simplify]: Extracting #0: cost 1 inf + 0
0.045 * * [simplify]: Extracting #1: cost 7 inf + 0
0.045 * * [simplify]: Extracting #2: cost 5 inf + 5
0.045 * * [simplify]: Extracting #3: cost 4 inf + 6
0.045 * * [simplify]: Extracting #4: cost 0 inf + 26
0.045 * [simplify]: Simplified to:
  (/ (+ y x) (+ y y))
0.054 * * [progress]: iteration 1 / 4
0.054 * * * [progress]: picking best candidate
0.061 * * * * [pick]: Picked  #<alt (λ (x y) (/ (+ y x) (+ y y)))>
0.061 * * * [progress]: localizing error
0.076 * * * [progress]: generating rewritten candidates
0.076 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.136 * * * [progress]: generating series expansions
0.136 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.136 * [backup-simplify]: Simplify (/ (+ y x) (+ y y)) into (* 1/2 (/ (+ x y) y))
0.136 * [approximate]: Taking taylor expansion of (* 1/2 (/ (+ x y) y)) in (y x) around 0
0.136 * [taylor]: Taking taylor expansion of (* 1/2 (/ (+ x y) y)) in x
0.136 * [taylor]: Taking taylor expansion of 1/2 in x
0.136 * [backup-simplify]: Simplify 1/2 into 1/2
0.137 * [taylor]: Taking taylor expansion of (/ (+ x y) y) in x
0.137 * [taylor]: Taking taylor expansion of (+ x y) in x
0.137 * [taylor]: Taking taylor expansion of x in x
0.137 * [backup-simplify]: Simplify 0 into 0
0.137 * [backup-simplify]: Simplify 1 into 1
0.137 * [taylor]: Taking taylor expansion of y in x
0.137 * [backup-simplify]: Simplify y into y
0.137 * [taylor]: Taking taylor expansion of y in x
0.137 * [backup-simplify]: Simplify y into y
0.137 * [backup-simplify]: Simplify (+ 0 y) into y
0.137 * [backup-simplify]: Simplify (/ y y) into 1
0.137 * [taylor]: Taking taylor expansion of (* 1/2 (/ (+ x y) y)) in y
0.137 * [taylor]: Taking taylor expansion of 1/2 in y
0.137 * [backup-simplify]: Simplify 1/2 into 1/2
0.137 * [taylor]: Taking taylor expansion of (/ (+ x y) y) in y
0.137 * [taylor]: Taking taylor expansion of (+ x y) in y
0.137 * [taylor]: Taking taylor expansion of x in y
0.137 * [backup-simplify]: Simplify x into x
0.137 * [taylor]: Taking taylor expansion of y in y
0.137 * [backup-simplify]: Simplify 0 into 0
0.137 * [backup-simplify]: Simplify 1 into 1
0.137 * [taylor]: Taking taylor expansion of y in y
0.137 * [backup-simplify]: Simplify 0 into 0
0.137 * [backup-simplify]: Simplify 1 into 1
0.137 * [backup-simplify]: Simplify (+ x 0) into x
0.137 * [backup-simplify]: Simplify (/ x 1) into x
0.137 * [taylor]: Taking taylor expansion of (* 1/2 (/ (+ x y) y)) in y
0.137 * [taylor]: Taking taylor expansion of 1/2 in y
0.137 * [backup-simplify]: Simplify 1/2 into 1/2
0.137 * [taylor]: Taking taylor expansion of (/ (+ x y) y) in y
0.137 * [taylor]: Taking taylor expansion of (+ x y) in y
0.137 * [taylor]: Taking taylor expansion of x in y
0.137 * [backup-simplify]: Simplify x into x
0.137 * [taylor]: Taking taylor expansion of y in y
0.137 * [backup-simplify]: Simplify 0 into 0
0.137 * [backup-simplify]: Simplify 1 into 1
0.138 * [taylor]: Taking taylor expansion of y in y
0.138 * [backup-simplify]: Simplify 0 into 0
0.138 * [backup-simplify]: Simplify 1 into 1
0.138 * [backup-simplify]: Simplify (+ x 0) into x
0.138 * [backup-simplify]: Simplify (/ x 1) into x
0.138 * [backup-simplify]: Simplify (* 1/2 x) into (* 1/2 x)
0.138 * [taylor]: Taking taylor expansion of (* 1/2 x) in x
0.138 * [taylor]: Taking taylor expansion of 1/2 in x
0.138 * [backup-simplify]: Simplify 1/2 into 1/2
0.138 * [taylor]: Taking taylor expansion of x in x
0.138 * [backup-simplify]: Simplify 0 into 0
0.138 * [backup-simplify]: Simplify 1 into 1
0.139 * [backup-simplify]: Simplify (* 1/2 0) into 0
0.139 * [backup-simplify]: Simplify 0 into 0
0.140 * [backup-simplify]: Simplify (+ 0 1) into 1
0.141 * [backup-simplify]: Simplify (- (/ 1 1) (+ (* x (/ 0 1)))) into 1
0.141 * [backup-simplify]: Simplify (+ (* 1/2 1) (* 0 x)) into 1/2
0.141 * [taylor]: Taking taylor expansion of 1/2 in x
0.141 * [backup-simplify]: Simplify 1/2 into 1/2
0.141 * [backup-simplify]: Simplify 1/2 into 1/2
0.142 * [backup-simplify]: Simplify (+ (* 1/2 1) (* 0 0)) into 1/2
0.142 * [backup-simplify]: Simplify 1/2 into 1/2
0.143 * [backup-simplify]: Simplify (+ 0 0) into 0
0.144 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* x (/ 0 1)) (* 1 (/ 0 1)))) into 0
0.145 * [backup-simplify]: Simplify (+ (* 1/2 0) (+ (* 0 1) (* 0 x))) into 0
0.145 * [taylor]: Taking taylor expansion of 0 in x
0.145 * [backup-simplify]: Simplify 0 into 0
0.145 * [backup-simplify]: Simplify 0 into 0
0.145 * [backup-simplify]: Simplify 0 into 0
0.147 * [backup-simplify]: Simplify (+ (* 1/2 0) (+ (* 0 1) (* 0 0))) into 0
0.147 * [backup-simplify]: Simplify 0 into 0
0.147 * [backup-simplify]: Simplify (+ 0 0) into 0
0.149 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* x (/ 0 1)) (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.150 * [backup-simplify]: Simplify (+ (* 1/2 0) (+ (* 0 0) (+ (* 0 1) (* 0 x)))) into 0
0.150 * [taylor]: Taking taylor expansion of 0 in x
0.151 * [backup-simplify]: Simplify 0 into 0
0.151 * [backup-simplify]: Simplify 0 into 0
0.151 * [backup-simplify]: Simplify 0 into 0
0.151 * [backup-simplify]: Simplify 0 into 0
0.151 * [backup-simplify]: Simplify (+ (* 1/2 (* x (/ 1 y))) 1/2) into (+ (* 1/2 (/ x y)) 1/2)
0.151 * [backup-simplify]: Simplify (/ (+ (/ 1 y) (/ 1 x)) (+ (/ 1 y) (/ 1 y))) into (* 1/2 (* (+ (/ 1 x) (/ 1 y)) y))
0.151 * [approximate]: Taking taylor expansion of (* 1/2 (* (+ (/ 1 x) (/ 1 y)) y)) in (y x) around 0
0.151 * [taylor]: Taking taylor expansion of (* 1/2 (* (+ (/ 1 x) (/ 1 y)) y)) in x
0.151 * [taylor]: Taking taylor expansion of 1/2 in x
0.151 * [backup-simplify]: Simplify 1/2 into 1/2
0.151 * [taylor]: Taking taylor expansion of (* (+ (/ 1 x) (/ 1 y)) y) in x
0.151 * [taylor]: Taking taylor expansion of (+ (/ 1 x) (/ 1 y)) in x
0.151 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.151 * [taylor]: Taking taylor expansion of x in x
0.152 * [backup-simplify]: Simplify 0 into 0
0.152 * [backup-simplify]: Simplify 1 into 1
0.152 * [backup-simplify]: Simplify (/ 1 1) into 1
0.152 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.152 * [taylor]: Taking taylor expansion of y in x
0.152 * [backup-simplify]: Simplify y into y
0.152 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
0.152 * [taylor]: Taking taylor expansion of y in x
0.152 * [backup-simplify]: Simplify y into y
0.152 * [taylor]: Taking taylor expansion of (* 1/2 (* (+ (/ 1 x) (/ 1 y)) y)) in y
0.152 * [taylor]: Taking taylor expansion of 1/2 in y
0.152 * [backup-simplify]: Simplify 1/2 into 1/2
0.153 * [taylor]: Taking taylor expansion of (* (+ (/ 1 x) (/ 1 y)) y) in y
0.153 * [taylor]: Taking taylor expansion of (+ (/ 1 x) (/ 1 y)) in y
0.153 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.153 * [taylor]: Taking taylor expansion of x in y
0.153 * [backup-simplify]: Simplify x into x
0.153 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
0.153 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.153 * [taylor]: Taking taylor expansion of y in y
0.153 * [backup-simplify]: Simplify 0 into 0
0.153 * [backup-simplify]: Simplify 1 into 1
0.154 * [backup-simplify]: Simplify (/ 1 1) into 1
0.154 * [taylor]: Taking taylor expansion of y in y
0.154 * [backup-simplify]: Simplify 0 into 0
0.154 * [backup-simplify]: Simplify 1 into 1
0.154 * [taylor]: Taking taylor expansion of (* 1/2 (* (+ (/ 1 x) (/ 1 y)) y)) in y
0.154 * [taylor]: Taking taylor expansion of 1/2 in y
0.154 * [backup-simplify]: Simplify 1/2 into 1/2
0.154 * [taylor]: Taking taylor expansion of (* (+ (/ 1 x) (/ 1 y)) y) in y
0.154 * [taylor]: Taking taylor expansion of (+ (/ 1 x) (/ 1 y)) in y
0.154 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.154 * [taylor]: Taking taylor expansion of x in y
0.154 * [backup-simplify]: Simplify x into x
0.154 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
0.154 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.154 * [taylor]: Taking taylor expansion of y in y
0.154 * [backup-simplify]: Simplify 0 into 0
0.154 * [backup-simplify]: Simplify 1 into 1
0.155 * [backup-simplify]: Simplify (/ 1 1) into 1
0.155 * [taylor]: Taking taylor expansion of y in y
0.155 * [backup-simplify]: Simplify 0 into 0
0.155 * [backup-simplify]: Simplify 1 into 1
0.155 * [backup-simplify]: Simplify (+ 0 1) into 1
0.156 * [backup-simplify]: Simplify (* 1 0) into 0
0.156 * [backup-simplify]: Simplify (* 1/2 0) into 0
0.157 * [taylor]: Taking taylor expansion of 0 in x
0.157 * [backup-simplify]: Simplify 0 into 0
0.157 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.158 * [backup-simplify]: Simplify (+ (/ 1 x) 0) into (/ 1 x)
0.158 * [backup-simplify]: Simplify (+ (* 1 1) (* (/ 1 x) 0)) into 1
0.159 * [backup-simplify]: Simplify (+ (* 1/2 1) (* 0 0)) into 1/2
0.159 * [taylor]: Taking taylor expansion of 1/2 in x
0.159 * [backup-simplify]: Simplify 1/2 into 1/2
0.159 * [backup-simplify]: Simplify 0 into 0
0.159 * [backup-simplify]: Simplify (- (+ (* (/ 1 x) (/ 0 x)))) into 0
0.160 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.160 * [backup-simplify]: Simplify (+ 0 0) into 0
0.161 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* (/ 1 x) 1) (* 0 0))) into (/ 1 x)
0.162 * [backup-simplify]: Simplify (+ (* 1/2 (/ 1 x)) (+ (* 0 1) (* 0 0))) into (* 1/2 (/ 1 x))
0.162 * [taylor]: Taking taylor expansion of (* 1/2 (/ 1 x)) in x
0.162 * [taylor]: Taking taylor expansion of 1/2 in x
0.162 * [backup-simplify]: Simplify 1/2 into 1/2
0.162 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.163 * [taylor]: Taking taylor expansion of x in x
0.163 * [backup-simplify]: Simplify 0 into 0
0.163 * [backup-simplify]: Simplify 1 into 1
0.163 * [backup-simplify]: Simplify (/ 1 1) into 1
0.163 * [backup-simplify]: Simplify (* 1/2 1) into 1/2
0.164 * [backup-simplify]: Simplify 1/2 into 1/2
0.164 * [backup-simplify]: Simplify 1/2 into 1/2
0.164 * [backup-simplify]: Simplify 0 into 0
0.164 * [backup-simplify]: Simplify (- (+ (* (/ 1 x) (/ 0 x)) (* 0 (/ 0 x)))) into 0
0.165 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.165 * [backup-simplify]: Simplify (+ 0 0) into 0
0.166 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* (/ 1 x) 0) (+ (* 0 1) (* 0 0)))) into 0
0.168 * [backup-simplify]: Simplify (+ (* 1/2 0) (+ (* 0 (/ 1 x)) (+ (* 0 1) (* 0 0)))) into 0
0.168 * [taylor]: Taking taylor expansion of 0 in x
0.168 * [backup-simplify]: Simplify 0 into 0
0.169 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.169 * [backup-simplify]: Simplify (+ (* 1/2 0) (* 0 1)) into 0
0.169 * [backup-simplify]: Simplify 0 into 0
0.169 * [backup-simplify]: Simplify 0 into 0
0.170 * [backup-simplify]: Simplify 0 into 0
0.170 * [backup-simplify]: Simplify (- (+ (* (/ 1 x) (/ 0 x)) (* 0 (/ 0 x)) (* 0 (/ 0 x)))) into 0
0.171 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.171 * [backup-simplify]: Simplify (+ 0 0) into 0
0.173 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* (/ 1 x) 0) (+ (* 0 0) (+ (* 0 1) (* 0 0))))) into 0
0.175 * [backup-simplify]: Simplify (+ (* 1/2 0) (+ (* 0 0) (+ (* 0 (/ 1 x)) (+ (* 0 1) (* 0 0))))) into 0
0.175 * [taylor]: Taking taylor expansion of 0 in x
0.175 * [backup-simplify]: Simplify 0 into 0
0.175 * [backup-simplify]: Simplify 0 into 0
0.176 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.177 * [backup-simplify]: Simplify (+ (* 1/2 0) (+ (* 0 0) (* 0 1))) into 0
0.177 * [backup-simplify]: Simplify 0 into 0
0.178 * [backup-simplify]: Simplify (+ 1/2 (* 1/2 (* (/ 1 (/ 1 x)) (/ 1 y)))) into (+ (* 1/2 (/ x y)) 1/2)
0.178 * [backup-simplify]: Simplify (/ (+ (/ 1 (- y)) (/ 1 (- x))) (+ (/ 1 (- y)) (/ 1 (- y)))) into (* 1/2 (* (+ (/ 1 x) (/ 1 y)) y))
0.178 * [approximate]: Taking taylor expansion of (* 1/2 (* (+ (/ 1 x) (/ 1 y)) y)) in (y x) around 0
0.178 * [taylor]: Taking taylor expansion of (* 1/2 (* (+ (/ 1 x) (/ 1 y)) y)) in x
0.178 * [taylor]: Taking taylor expansion of 1/2 in x
0.178 * [backup-simplify]: Simplify 1/2 into 1/2
0.178 * [taylor]: Taking taylor expansion of (* (+ (/ 1 x) (/ 1 y)) y) in x
0.178 * [taylor]: Taking taylor expansion of (+ (/ 1 x) (/ 1 y)) in x
0.178 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.178 * [taylor]: Taking taylor expansion of x in x
0.178 * [backup-simplify]: Simplify 0 into 0
0.178 * [backup-simplify]: Simplify 1 into 1
0.179 * [backup-simplify]: Simplify (/ 1 1) into 1
0.179 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.179 * [taylor]: Taking taylor expansion of y in x
0.179 * [backup-simplify]: Simplify y into y
0.179 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
0.179 * [taylor]: Taking taylor expansion of y in x
0.179 * [backup-simplify]: Simplify y into y
0.179 * [taylor]: Taking taylor expansion of (* 1/2 (* (+ (/ 1 x) (/ 1 y)) y)) in y
0.179 * [taylor]: Taking taylor expansion of 1/2 in y
0.179 * [backup-simplify]: Simplify 1/2 into 1/2
0.179 * [taylor]: Taking taylor expansion of (* (+ (/ 1 x) (/ 1 y)) y) in y
0.179 * [taylor]: Taking taylor expansion of (+ (/ 1 x) (/ 1 y)) in y
0.179 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.179 * [taylor]: Taking taylor expansion of x in y
0.179 * [backup-simplify]: Simplify x into x
0.179 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
0.179 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.179 * [taylor]: Taking taylor expansion of y in y
0.179 * [backup-simplify]: Simplify 0 into 0
0.179 * [backup-simplify]: Simplify 1 into 1
0.180 * [backup-simplify]: Simplify (/ 1 1) into 1
0.180 * [taylor]: Taking taylor expansion of y in y
0.180 * [backup-simplify]: Simplify 0 into 0
0.180 * [backup-simplify]: Simplify 1 into 1
0.180 * [taylor]: Taking taylor expansion of (* 1/2 (* (+ (/ 1 x) (/ 1 y)) y)) in y
0.180 * [taylor]: Taking taylor expansion of 1/2 in y
0.180 * [backup-simplify]: Simplify 1/2 into 1/2
0.180 * [taylor]: Taking taylor expansion of (* (+ (/ 1 x) (/ 1 y)) y) in y
0.180 * [taylor]: Taking taylor expansion of (+ (/ 1 x) (/ 1 y)) in y
0.180 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.180 * [taylor]: Taking taylor expansion of x in y
0.180 * [backup-simplify]: Simplify x into x
0.180 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
0.180 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.180 * [taylor]: Taking taylor expansion of y in y
0.180 * [backup-simplify]: Simplify 0 into 0
0.180 * [backup-simplify]: Simplify 1 into 1
0.181 * [backup-simplify]: Simplify (/ 1 1) into 1
0.181 * [taylor]: Taking taylor expansion of y in y
0.181 * [backup-simplify]: Simplify 0 into 0
0.181 * [backup-simplify]: Simplify 1 into 1
0.182 * [backup-simplify]: Simplify (+ 0 1) into 1
0.182 * [backup-simplify]: Simplify (* 1 0) into 0
0.183 * [backup-simplify]: Simplify (* 1/2 0) into 0
0.183 * [taylor]: Taking taylor expansion of 0 in x
0.183 * [backup-simplify]: Simplify 0 into 0
0.184 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.184 * [backup-simplify]: Simplify (+ (/ 1 x) 0) into (/ 1 x)
0.184 * [backup-simplify]: Simplify (+ (* 1 1) (* (/ 1 x) 0)) into 1
0.185 * [backup-simplify]: Simplify (+ (* 1/2 1) (* 0 0)) into 1/2
0.185 * [taylor]: Taking taylor expansion of 1/2 in x
0.185 * [backup-simplify]: Simplify 1/2 into 1/2
0.185 * [backup-simplify]: Simplify 0 into 0
0.185 * [backup-simplify]: Simplify (- (+ (* (/ 1 x) (/ 0 x)))) into 0
0.186 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.187 * [backup-simplify]: Simplify (+ 0 0) into 0
0.188 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* (/ 1 x) 1) (* 0 0))) into (/ 1 x)
0.189 * [backup-simplify]: Simplify (+ (* 1/2 (/ 1 x)) (+ (* 0 1) (* 0 0))) into (* 1/2 (/ 1 x))
0.189 * [taylor]: Taking taylor expansion of (* 1/2 (/ 1 x)) in x
0.189 * [taylor]: Taking taylor expansion of 1/2 in x
0.189 * [backup-simplify]: Simplify 1/2 into 1/2
0.189 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.189 * [taylor]: Taking taylor expansion of x in x
0.189 * [backup-simplify]: Simplify 0 into 0
0.189 * [backup-simplify]: Simplify 1 into 1
0.190 * [backup-simplify]: Simplify (/ 1 1) into 1
0.190 * [backup-simplify]: Simplify (* 1/2 1) into 1/2
0.190 * [backup-simplify]: Simplify 1/2 into 1/2
0.190 * [backup-simplify]: Simplify 1/2 into 1/2
0.190 * [backup-simplify]: Simplify 0 into 0
0.190 * [backup-simplify]: Simplify (- (+ (* (/ 1 x) (/ 0 x)) (* 0 (/ 0 x)))) into 0
0.191 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.192 * [backup-simplify]: Simplify (+ 0 0) into 0
0.193 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* (/ 1 x) 0) (+ (* 0 1) (* 0 0)))) into 0
0.194 * [backup-simplify]: Simplify (+ (* 1/2 0) (+ (* 0 (/ 1 x)) (+ (* 0 1) (* 0 0)))) into 0
0.194 * [taylor]: Taking taylor expansion of 0 in x
0.194 * [backup-simplify]: Simplify 0 into 0
0.195 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.196 * [backup-simplify]: Simplify (+ (* 1/2 0) (* 0 1)) into 0
0.196 * [backup-simplify]: Simplify 0 into 0
0.196 * [backup-simplify]: Simplify 0 into 0
0.196 * [backup-simplify]: Simplify 0 into 0
0.197 * [backup-simplify]: Simplify (- (+ (* (/ 1 x) (/ 0 x)) (* 0 (/ 0 x)) (* 0 (/ 0 x)))) into 0
0.198 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.198 * [backup-simplify]: Simplify (+ 0 0) into 0
0.200 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* (/ 1 x) 0) (+ (* 0 0) (+ (* 0 1) (* 0 0))))) into 0
0.201 * [backup-simplify]: Simplify (+ (* 1/2 0) (+ (* 0 0) (+ (* 0 (/ 1 x)) (+ (* 0 1) (* 0 0))))) into 0
0.202 * [taylor]: Taking taylor expansion of 0 in x
0.202 * [backup-simplify]: Simplify 0 into 0
0.202 * [backup-simplify]: Simplify 0 into 0
0.203 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.204 * [backup-simplify]: Simplify (+ (* 1/2 0) (+ (* 0 0) (* 0 1))) into 0
0.204 * [backup-simplify]: Simplify 0 into 0
0.204 * [backup-simplify]: Simplify (+ 1/2 (* 1/2 (* (/ 1 (/ 1 (- x))) (/ 1 (- y))))) into (+ (* 1/2 (/ x y)) 1/2)
0.204 * * * [progress]: simplifying candidates
0.207 * [simplify]: Simplifying:
  (expm1 (/ (+ y x) (+ y y)))
  (log1p (/ (+ y x) (+ y y)))
  (- (log (+ y x)) (log (+ y y)))
  (log (/ (+ y x) (+ y y)))
  (exp (/ (+ y x) (+ y y)))
  (/ (* (* (+ y x) (+ y x)) (+ y x)) (* (* (+ y y) (+ y y)) (+ y y)))
  (* (cbrt (/ (+ y x) (+ y y))) (cbrt (/ (+ y x) (+ y y))))
  (cbrt (/ (+ y x) (+ y y)))
  (* (* (/ (+ y x) (+ y y)) (/ (+ y x) (+ y y))) (/ (+ y x) (+ y y)))
  (sqrt (/ (+ y x) (+ y y)))
  (sqrt (/ (+ y x) (+ y y)))
  (- (+ y x))
  (- (+ y y))
  (/ (* (cbrt (+ y x)) (cbrt (+ y x))) (* (cbrt (+ y y)) (cbrt (+ y y))))
  (/ (cbrt (+ y x)) (cbrt (+ y y)))
  (/ (* (cbrt (+ y x)) (cbrt (+ y x))) (sqrt (+ y y)))
  (/ (cbrt (+ y x)) (sqrt (+ y y)))
  (/ (* (cbrt (+ y x)) (cbrt (+ y x))) 1)
  (/ (cbrt (+ y x)) (+ y y))
  (/ (* (cbrt (+ y x)) (cbrt (+ y x))) (* (cbrt y) (cbrt y)))
  (/ (cbrt (+ y x)) (+ (cbrt y) (cbrt y)))
  (/ (* (cbrt (+ y x)) (cbrt (+ y x))) (sqrt y))
  (/ (cbrt (+ y x)) (+ (sqrt y) (sqrt y)))
  (/ (* (cbrt (+ y x)) (cbrt (+ y x))) 1)
  (/ (cbrt (+ y x)) (+ y y))
  (/ (* (cbrt (+ y x)) (cbrt (+ y x))) (cbrt y))
  (/ (cbrt (+ y x)) (+ (* (cbrt y) (cbrt y)) (* (cbrt y) (cbrt y))))
  (/ (* (cbrt (+ y x)) (cbrt (+ y x))) (sqrt y))
  (/ (cbrt (+ y x)) (+ (sqrt y) (sqrt y)))
  (/ (* (cbrt (+ y x)) (cbrt (+ y x))) y)
  (/ (cbrt (+ y x)) (+ 1 1))
  (/ (* (cbrt (+ y x)) (cbrt (+ y x))) (+ 1 1))
  (/ (cbrt (+ y x)) y)
  (/ (* (cbrt (+ y x)) (cbrt (+ y x))) (+ 1 1))
  (/ (cbrt (+ y x)) y)
  (/ (* (cbrt (+ y x)) (cbrt (+ y x))) 2)
  (/ (cbrt (+ y x)) y)
  (/ (sqrt (+ y x)) (* (cbrt (+ y y)) (cbrt (+ y y))))
  (/ (sqrt (+ y x)) (cbrt (+ y y)))
  (/ (sqrt (+ y x)) (sqrt (+ y y)))
  (/ (sqrt (+ y x)) (sqrt (+ y y)))
  (/ (sqrt (+ y x)) 1)
  (/ (sqrt (+ y x)) (+ y y))
  (/ (sqrt (+ y x)) (* (cbrt y) (cbrt y)))
  (/ (sqrt (+ y x)) (+ (cbrt y) (cbrt y)))
  (/ (sqrt (+ y x)) (sqrt y))
  (/ (sqrt (+ y x)) (+ (sqrt y) (sqrt y)))
  (/ (sqrt (+ y x)) 1)
  (/ (sqrt (+ y x)) (+ y y))
  (/ (sqrt (+ y x)) (cbrt y))
  (/ (sqrt (+ y x)) (+ (* (cbrt y) (cbrt y)) (* (cbrt y) (cbrt y))))
  (/ (sqrt (+ y x)) (sqrt y))
  (/ (sqrt (+ y x)) (+ (sqrt y) (sqrt y)))
  (/ (sqrt (+ y x)) y)
  (/ (sqrt (+ y x)) (+ 1 1))
  (/ (sqrt (+ y x)) (+ 1 1))
  (/ (sqrt (+ y x)) y)
  (/ (sqrt (+ y x)) (+ 1 1))
  (/ (sqrt (+ y x)) y)
  (/ (sqrt (+ y x)) 2)
  (/ (sqrt (+ y x)) y)
  (/ 1 (* (cbrt (+ y y)) (cbrt (+ y y))))
  (/ (+ y x) (cbrt (+ y y)))
  (/ 1 (sqrt (+ y y)))
  (/ (+ y x) (sqrt (+ y y)))
  (/ 1 1)
  (/ (+ y x) (+ y y))
  (/ 1 (* (cbrt y) (cbrt y)))
  (/ (+ y x) (+ (cbrt y) (cbrt y)))
  (/ 1 (sqrt y))
  (/ (+ y x) (+ (sqrt y) (sqrt y)))
  (/ 1 1)
  (/ (+ y x) (+ y y))
  (/ 1 (cbrt y))
  (/ (+ y x) (+ (* (cbrt y) (cbrt y)) (* (cbrt y) (cbrt y))))
  (/ 1 (sqrt y))
  (/ (+ y x) (+ (sqrt y) (sqrt y)))
  (/ 1 y)
  (/ (+ y x) (+ 1 1))
  (/ 1 (+ 1 1))
  (/ (+ y x) y)
  (/ 1 (+ 1 1))
  (/ (+ y x) y)
  (/ 1 2)
  (/ (+ y x) y)
  (/ 1 (* (cbrt (+ y y)) (cbrt (+ y y))))
  (/ (+ y x) (cbrt (+ y y)))
  (/ 1 (sqrt (+ y y)))
  (/ (+ y x) (sqrt (+ y y)))
  (/ 1 1)
  (/ (+ y x) (+ y y))
  (/ 1 (* (cbrt y) (cbrt y)))
  (/ (+ y x) (+ (cbrt y) (cbrt y)))
  (/ 1 (sqrt y))
  (/ (+ y x) (+ (sqrt y) (sqrt y)))
  (/ 1 1)
  (/ (+ y x) (+ y y))
  (/ 1 (cbrt y))
  (/ (+ y x) (+ (* (cbrt y) (cbrt y)) (* (cbrt y) (cbrt y))))
  (/ 1 (sqrt y))
  (/ (+ y x) (+ (sqrt y) (sqrt y)))
  (/ 1 y)
  (/ (+ y x) (+ 1 1))
  (/ 1 (+ 1 1))
  (/ (+ y x) y)
  (/ 1 (+ 1 1))
  (/ (+ y x) y)
  (/ 1 2)
  (/ (+ y x) y)
  (/ 1 (+ y y))
  (/ (+ y y) (+ y x))
  (/ (+ y x) (* (cbrt (+ y y)) (cbrt (+ y y))))
  (/ (+ y x) (sqrt (+ y y)))
  (/ (+ y x) 1)
  (/ (+ y x) (* (cbrt y) (cbrt y)))
  (/ (+ y x) (sqrt y))
  (/ (+ y x) 1)
  (/ (+ y x) (cbrt y))
  (/ (+ y x) (sqrt y))
  (/ (+ y x) y)
  (/ (+ y x) (+ 1 1))
  (/ (+ y x) (+ 1 1))
  (/ (+ y x) 2)
  (/ (+ y y) (cbrt (+ y x)))
  (/ (+ y y) (sqrt (+ y x)))
  (/ (+ y y) (+ y x))
  (/ (+ y y) (+ y x))
  (/ (+ y x) (+ (pow y 3) (pow y 3)))
  (/ (+ y x) (- (* y y) (* y y)))
  (* (+ y y) (+ (* y y) (- (* x x) (* y x))))
  (* (+ y y) (- y x))
  (+ (* 1/2 (/ x y)) 1/2)
  (+ (* 1/2 (/ x y)) 1/2)
  (+ (* 1/2 (/ x y)) 1/2)
0.209 * * [simplify]: iteration 0: 114 enodes
0.254 * * [simplify]: iteration 1: 241 enodes
0.334 * * [simplify]: iteration 2: 784 enodes
1.420 * * [simplify]: iteration 3: 4978 enodes
3.124 * * [simplify]: iteration complete: 5000 enodes
3.124 * * [simplify]: Extracting #0: cost 69 inf + 0
3.126 * * [simplify]: Extracting #1: cost 599 inf + 2
3.132 * * [simplify]: Extracting #2: cost 1194 inf + 802
3.155 * * [simplify]: Extracting #3: cost 777 inf + 8217
3.168 * * [simplify]: Extracting #4: cost 30 inf + 14087
3.180 * * [simplify]: Extracting #5: cost 4 inf + 14051
3.192 * * [simplify]: Extracting #6: cost 0 inf + 14077
3.204 * [simplify]: Simplified to:
  (expm1 (/ (+ y x) (+ y y)))
  (log1p (/ (+ y x) (+ y y)))
  (log (/ (+ y x) (+ y y)))
  (log (/ (+ y x) (+ y y)))
  (exp (/ (+ y x) (+ y y)))
  (pow (/ (+ y x) (+ y y)) 3)
  (* (cbrt (/ (+ y x) (+ y y))) (cbrt (/ (+ y x) (+ y y))))
  (cbrt (/ (+ y x) (+ y y)))
  (pow (/ (+ y x) (+ y y)) 3)
  (sqrt (/ (+ y x) (+ y y)))
  (sqrt (/ (+ y x) (+ y y)))
  (- (- y) x)
  (* y -2)
  (/ (cbrt (+ y x)) (/ (* (cbrt (+ y y)) (cbrt (+ y y))) (cbrt (+ y x))))
  (/ (cbrt (+ y x)) (cbrt (+ y y)))
  (/ (cbrt (+ y x)) (/ (sqrt (+ y y)) (cbrt (+ y x))))
  (/ (cbrt (+ y x)) (sqrt (+ y y)))
  (* (cbrt (+ y x)) (cbrt (+ y x)))
  (/ (cbrt (+ y x)) (* y 2))
  (* (cbrt (+ y x)) (/ (cbrt (+ y x)) (* (cbrt y) (cbrt y))))
  (/ (cbrt (+ y x)) (* 2 (cbrt y)))
  (* (cbrt (+ y x)) (/ (cbrt (+ y x)) (sqrt y)))
  (/ (cbrt (+ y x)) (* (sqrt y) 2))
  (* (cbrt (+ y x)) (cbrt (+ y x)))
  (/ (cbrt (+ y x)) (* y 2))
  (/ (cbrt (+ y x)) (/ (cbrt y) (cbrt (+ y x))))
  (/ (cbrt (+ y x)) (* (* (cbrt y) (cbrt y)) 2))
  (* (cbrt (+ y x)) (/ (cbrt (+ y x)) (sqrt y)))
  (/ (cbrt (+ y x)) (* (sqrt y) 2))
  (/ (cbrt (+ y x)) (/ y (cbrt (+ y x))))
  (/ (cbrt (+ y x)) 2)
  (* (cbrt (+ y x)) (/ (cbrt (+ y x)) 2))
  (/ (cbrt (+ y x)) y)
  (* (cbrt (+ y x)) (/ (cbrt (+ y x)) 2))
  (/ (cbrt (+ y x)) y)
  (* (cbrt (+ y x)) (/ (cbrt (+ y x)) 2))
  (/ (cbrt (+ y x)) y)
  (/ (sqrt (+ y x)) (* (cbrt (+ y y)) (cbrt (+ y y))))
  (/ (sqrt (+ y x)) (cbrt (+ y y)))
  (/ (sqrt (+ y x)) (sqrt (+ y y)))
  (/ (sqrt (+ y x)) (sqrt (+ y y)))
  (sqrt (+ y x))
  (/ (/ (sqrt (+ y x)) 2) y)
  (/ (/ (sqrt (+ y x)) (cbrt y)) (cbrt y))
  (/ (/ (sqrt (+ y x)) 2) (cbrt y))
  (/ (sqrt (+ y x)) (sqrt y))
  (/ (/ (sqrt (+ y x)) 2) (sqrt y))
  (sqrt (+ y x))
  (/ (/ (sqrt (+ y x)) 2) y)
  (/ (sqrt (+ y x)) (cbrt y))
  (/ (/ (/ (sqrt (+ y x)) 2) (cbrt y)) (cbrt y))
  (/ (sqrt (+ y x)) (sqrt y))
  (/ (/ (sqrt (+ y x)) 2) (sqrt y))
  (/ (sqrt (+ y x)) y)
  (/ (sqrt (+ y x)) 2)
  (/ (sqrt (+ y x)) 2)
  (/ (sqrt (+ y x)) y)
  (/ (sqrt (+ y x)) 2)
  (/ (sqrt (+ y x)) y)
  (/ (sqrt (+ y x)) 2)
  (/ (sqrt (+ y x)) y)
  (/ 1 (* (cbrt (+ y y)) (cbrt (+ y y))))
  (/ (+ y x) (cbrt (+ y y)))
  (/ 1 (sqrt (+ y y)))
  (/ (+ y x) (sqrt (+ y y)))
  1
  (/ (+ y x) (+ y y))
  (/ (/ 1 (cbrt y)) (cbrt y))
  (/ (+ y x) (* (cbrt y) 2))
  (/ 1 (sqrt y))
  (/ (/ (+ y x) (sqrt y)) 2)
  1
  (/ (+ y x) (+ y y))
  (/ 1 (cbrt y))
  (/ (+ y x) (* (* 2 (cbrt y)) (cbrt y)))
  (/ 1 (sqrt y))
  (/ (/ (+ y x) (sqrt y)) 2)
  (/ 1 y)
  (/ (+ y x) 2)
  1/2
  (/ (+ y x) y)
  1/2
  (/ (+ y x) y)
  1/2
  (/ (+ y x) y)
  (/ 1 (* (cbrt (+ y y)) (cbrt (+ y y))))
  (/ (+ y x) (cbrt (+ y y)))
  (/ 1 (sqrt (+ y y)))
  (/ (+ y x) (sqrt (+ y y)))
  1
  (/ (+ y x) (+ y y))
  (/ (/ 1 (cbrt y)) (cbrt y))
  (/ (+ y x) (* (cbrt y) 2))
  (/ 1 (sqrt y))
  (/ (/ (+ y x) (sqrt y)) 2)
  1
  (/ (+ y x) (+ y y))
  (/ 1 (cbrt y))
  (/ (+ y x) (* (* 2 (cbrt y)) (cbrt y)))
  (/ 1 (sqrt y))
  (/ (/ (+ y x) (sqrt y)) 2)
  (/ 1 y)
  (/ (+ y x) 2)
  1/2
  (/ (+ y x) y)
  1/2
  (/ (+ y x) y)
  1/2
  (/ (+ y x) y)
  (/ 1/2 y)
  (/ 2 (/ (+ y x) y))
  (/ (+ y x) (* (cbrt (+ y y)) (cbrt (+ y y))))
  (/ (+ y x) (sqrt (+ y y)))
  (+ y x)
  (/ (+ y x) (* (cbrt y) (cbrt y)))
  (/ (+ y x) (sqrt y))
  (+ y x)
  (/ (+ y x) (cbrt y))
  (/ (+ y x) (sqrt y))
  (/ (+ y x) y)
  (/ (+ y x) 2)
  (/ (+ y x) 2)
  (/ (+ y x) 2)
  (/ y (/ (cbrt (+ y x)) 2))
  (* (/ 2 (sqrt (+ y x))) y)
  (/ 2 (/ (+ y x) y))
  (/ 2 (/ (+ y x) y))
  (/ (/ (+ y x) (pow y 3)) 2)
  (/ (+ y x) 0)
  (* (+ y y) (fma (- x y) x (* y y)))
  (* (+ y y) (- y x))
  (fma 1/2 (/ x y) 1/2)
  (fma 1/2 (/ x y) 1/2)
  (fma 1/2 (/ x y) 1/2)
3.205 * * * [progress]: adding candidates to table
3.526 * * [progress]: iteration 2 / 4
3.527 * * * [progress]: picking best candidate
3.533 * * * * [pick]: Picked  #<alt (λ (x y) (fma 1/2 (/ x y) 1/2))>
3.533 * * * [progress]: localizing error
3.547 * * * [progress]: generating rewritten candidates
3.547 * * * [progress]: generating series expansions
3.547 * * * [progress]: simplifying candidates
3.548 * [simplify]: Simplifying:
  
3.548 * * [simplify]: iteration 0: 0 enodes
3.548 * * [simplify]: iteration complete: 0 enodes
3.548 * * [simplify]: Extracting #0: cost 0 inf + 0
3.548 * [simplify]: Simplified to:
  
3.548 * * * [progress]: adding candidates to table
3.549 * [progress]: [Phase 3 of 3] Extracting.
3.556 * [simplify]: Simplifying:
  (fma 1/2 (/ x y) 1/2)
3.556 * * [simplify]: iteration 0: 5 enodes
3.556 * * [simplify]: iteration complete: 5 enodes
3.556 * * [simplify]: Extracting #0: cost 1 inf + 0
3.556 * * [simplify]: Extracting #1: cost 3 inf + 0
3.556 * * [simplify]: Extracting #2: cost 4 inf + 1
3.556 * * [simplify]: Extracting #3: cost 0 inf + 12
3.557 * [simplify]: Simplified to:
  (fma 1/2 (/ x y) 1/2)
5.176 * [regime-testing]: Baseline error score: 0.01833984744569835
5.185 * [regime-testing]: Oracle error score: 0.01833984744569835
5.185 * [regime-testing]: End program error score: 0.01833984744569835
5.314 * [regime-testing]: Target error score: 0.01833984744569835