55.419 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.017 * * * [progress]: [2/2] Setting up program.
0.019 * [progress]: [Phase 2 of 3] Improving.
0.019 * [simplify]: Simplifying:
  (+ x (/ (- y x) 2.0))
0.019 * [simplify]: Sending expressions to egg_math:
 (+ h0 (/ (- h1 h0) 2.0))
0.132 * * [progress]: iteration 1 / 4
0.133 * * * [progress]: picking best candidate
0.134 * * * * [pick]: Picked  #<alt (λ (x y) (+ x (/ (- y x) 2.0)))>
0.134 * * * [progress]: localizing error
0.142 * * * [progress]: generating rewritten candidates
0.142 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.173 * * * [progress]: generating series expansions
0.173 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.174 * [backup-simplify]: Simplify (+ x (/ (- y x) 2.0)) into (+ (* 0.5 x) (* 0.5 y))
0.174 * [approximate]: Taking taylor expansion of (+ (* 0.5 x) (* 0.5 y)) in (x y) around 0
0.174 * [taylor]: Taking taylor expansion of (+ (* 0.5 x) (* 0.5 y)) in y
0.174 * [taylor]: Taking taylor expansion of (* 0.5 x) in y
0.174 * [taylor]: Taking taylor expansion of 0.5 in y
0.174 * [backup-simplify]: Simplify 0.5 into 0.5
0.174 * [taylor]: Taking taylor expansion of x in y
0.174 * [backup-simplify]: Simplify x into x
0.174 * [taylor]: Taking taylor expansion of (* 0.5 y) in y
0.174 * [taylor]: Taking taylor expansion of 0.5 in y
0.174 * [backup-simplify]: Simplify 0.5 into 0.5
0.174 * [taylor]: Taking taylor expansion of y in y
0.174 * [backup-simplify]: Simplify 0 into 0
0.174 * [backup-simplify]: Simplify 1 into 1
0.174 * [taylor]: Taking taylor expansion of (+ (* 0.5 x) (* 0.5 y)) in x
0.174 * [taylor]: Taking taylor expansion of (* 0.5 x) in x
0.174 * [taylor]: Taking taylor expansion of 0.5 in x
0.174 * [backup-simplify]: Simplify 0.5 into 0.5
0.174 * [taylor]: Taking taylor expansion of x in x
0.174 * [backup-simplify]: Simplify 0 into 0
0.174 * [backup-simplify]: Simplify 1 into 1
0.174 * [taylor]: Taking taylor expansion of (* 0.5 y) in x
0.174 * [taylor]: Taking taylor expansion of 0.5 in x
0.174 * [backup-simplify]: Simplify 0.5 into 0.5
0.174 * [taylor]: Taking taylor expansion of y in x
0.174 * [backup-simplify]: Simplify y into y
0.174 * [taylor]: Taking taylor expansion of (+ (* 0.5 x) (* 0.5 y)) in x
0.174 * [taylor]: Taking taylor expansion of (* 0.5 x) in x
0.174 * [taylor]: Taking taylor expansion of 0.5 in x
0.174 * [backup-simplify]: Simplify 0.5 into 0.5
0.174 * [taylor]: Taking taylor expansion of x in x
0.174 * [backup-simplify]: Simplify 0 into 0
0.174 * [backup-simplify]: Simplify 1 into 1
0.175 * [taylor]: Taking taylor expansion of (* 0.5 y) in x
0.175 * [taylor]: Taking taylor expansion of 0.5 in x
0.175 * [backup-simplify]: Simplify 0.5 into 0.5
0.175 * [taylor]: Taking taylor expansion of y in x
0.175 * [backup-simplify]: Simplify y into y
0.175 * [backup-simplify]: Simplify (* 0.5 0) into 0
0.175 * [backup-simplify]: Simplify (* 0.5 y) into (* 0.5 y)
0.175 * [backup-simplify]: Simplify (+ 0 (* 0.5 y)) into (* 0.5 y)
0.175 * [taylor]: Taking taylor expansion of (* 0.5 y) in y
0.175 * [taylor]: Taking taylor expansion of 0.5 in y
0.175 * [backup-simplify]: Simplify 0.5 into 0.5
0.175 * [taylor]: Taking taylor expansion of y in y
0.175 * [backup-simplify]: Simplify 0 into 0
0.176 * [backup-simplify]: Simplify 1 into 1
0.176 * [backup-simplify]: Simplify (* 0.5 0) into 0
0.176 * [backup-simplify]: Simplify 0 into 0
0.177 * [backup-simplify]: Simplify (+ (* 0.5 1) (* 0 0)) into 0.5
0.177 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 y)) into 0
0.178 * [backup-simplify]: Simplify (+ 0.5 0) into 0.5
0.178 * [taylor]: Taking taylor expansion of 0.5 in y
0.178 * [backup-simplify]: Simplify 0.5 into 0.5
0.178 * [backup-simplify]: Simplify 0.5 into 0.5
0.179 * [backup-simplify]: Simplify (+ (* 0.5 1) (* 0 0)) into 0.5
0.179 * [backup-simplify]: Simplify 0.5 into 0.5
0.180 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 1) (* 0 0))) into 0
0.181 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 y))) into 0
0.181 * [backup-simplify]: Simplify (+ 0 0) into 0
0.181 * [taylor]: Taking taylor expansion of 0 in y
0.181 * [backup-simplify]: Simplify 0 into 0
0.181 * [backup-simplify]: Simplify 0 into 0
0.181 * [backup-simplify]: Simplify 0 into 0
0.182 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 1) (* 0 0))) into 0
0.182 * [backup-simplify]: Simplify 0 into 0
0.183 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))) into 0
0.184 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 y)))) into 0
0.184 * [backup-simplify]: Simplify (+ 0 0) into 0
0.184 * [taylor]: Taking taylor expansion of 0 in y
0.184 * [backup-simplify]: Simplify 0 into 0
0.184 * [backup-simplify]: Simplify 0 into 0
0.184 * [backup-simplify]: Simplify 0 into 0
0.184 * [backup-simplify]: Simplify 0 into 0
0.184 * [backup-simplify]: Simplify (+ (* 0.5 (* y 1)) (* 0.5 (* 1 x))) into (+ (* 0.5 x) (* 0.5 y))
0.185 * [backup-simplify]: Simplify (+ (/ 1 x) (/ (- (/ 1 y) (/ 1 x)) 2.0)) into (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x)))
0.185 * [approximate]: Taking taylor expansion of (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x))) in (x y) around 0
0.185 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x))) in y
0.185 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in y
0.185 * [taylor]: Taking taylor expansion of 0.5 in y
0.185 * [backup-simplify]: Simplify 0.5 into 0.5
0.185 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.185 * [taylor]: Taking taylor expansion of y in y
0.185 * [backup-simplify]: Simplify 0 into 0
0.185 * [backup-simplify]: Simplify 1 into 1
0.185 * [backup-simplify]: Simplify (/ 1 1) into 1
0.185 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in y
0.185 * [taylor]: Taking taylor expansion of 0.5 in y
0.185 * [backup-simplify]: Simplify 0.5 into 0.5
0.185 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.185 * [taylor]: Taking taylor expansion of x in y
0.185 * [backup-simplify]: Simplify x into x
0.185 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
0.185 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x))) in x
0.185 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in x
0.185 * [taylor]: Taking taylor expansion of 0.5 in x
0.185 * [backup-simplify]: Simplify 0.5 into 0.5
0.186 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.186 * [taylor]: Taking taylor expansion of y in x
0.186 * [backup-simplify]: Simplify y into y
0.186 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
0.186 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
0.186 * [taylor]: Taking taylor expansion of 0.5 in x
0.186 * [backup-simplify]: Simplify 0.5 into 0.5
0.186 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.186 * [taylor]: Taking taylor expansion of x in x
0.186 * [backup-simplify]: Simplify 0 into 0
0.186 * [backup-simplify]: Simplify 1 into 1
0.186 * [backup-simplify]: Simplify (/ 1 1) into 1
0.186 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x))) in x
0.186 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in x
0.186 * [taylor]: Taking taylor expansion of 0.5 in x
0.186 * [backup-simplify]: Simplify 0.5 into 0.5
0.186 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.186 * [taylor]: Taking taylor expansion of y in x
0.186 * [backup-simplify]: Simplify y into y
0.186 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
0.186 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
0.186 * [taylor]: Taking taylor expansion of 0.5 in x
0.186 * [backup-simplify]: Simplify 0.5 into 0.5
0.186 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.186 * [taylor]: Taking taylor expansion of x in x
0.186 * [backup-simplify]: Simplify 0 into 0
0.186 * [backup-simplify]: Simplify 1 into 1
0.187 * [backup-simplify]: Simplify (/ 1 1) into 1
0.187 * [backup-simplify]: Simplify (* 0.5 1) into 0.5
0.188 * [backup-simplify]: Simplify (+ 0 0.5) into 0.5
0.188 * [taylor]: Taking taylor expansion of 0.5 in y
0.188 * [backup-simplify]: Simplify 0.5 into 0.5
0.188 * [backup-simplify]: Simplify (* 0.5 (/ 1 y)) into (/ 0.5 y)
0.188 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.189 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 1)) into 0
0.189 * [backup-simplify]: Simplify (+ (/ 0.5 y) 0) into (* 0.5 (/ 1 y))
0.189 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in y
0.189 * [taylor]: Taking taylor expansion of 0.5 in y
0.189 * [backup-simplify]: Simplify 0.5 into 0.5
0.189 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.189 * [taylor]: Taking taylor expansion of y in y
0.189 * [backup-simplify]: Simplify 0 into 0
0.189 * [backup-simplify]: Simplify 1 into 1
0.189 * [backup-simplify]: Simplify (/ 1 1) into 1
0.190 * [backup-simplify]: Simplify (* 0.5 1) into 0.5
0.190 * [backup-simplify]: Simplify 0.5 into 0.5
0.190 * [backup-simplify]: Simplify 0.5 into 0.5
0.190 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0
0.190 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 (/ 1 y))) into 0
0.191 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.192 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 1))) into 0
0.192 * [backup-simplify]: Simplify (+ 0 0) into 0
0.192 * [taylor]: Taking taylor expansion of 0 in y
0.192 * [backup-simplify]: Simplify 0 into 0
0.193 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.193 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 1)) into 0
0.193 * [backup-simplify]: Simplify 0 into 0
0.193 * [backup-simplify]: Simplify 0 into 0
0.193 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0
0.194 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 (/ 1 y)))) into 0
0.195 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.196 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
0.196 * [backup-simplify]: Simplify (+ 0 0) into 0
0.196 * [taylor]: Taking taylor expansion of 0 in y
0.196 * [backup-simplify]: Simplify 0 into 0
0.196 * [backup-simplify]: Simplify 0 into 0
0.197 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.198 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 1))) into 0
0.198 * [backup-simplify]: Simplify 0 into 0
0.198 * [backup-simplify]: Simplify 0 into 0
0.198 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)) (* 0 (/ 0 y)))) into 0
0.199 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 (/ 1 y))))) into 0
0.199 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.200 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
0.201 * [backup-simplify]: Simplify (+ 0 0) into 0
0.201 * [taylor]: Taking taylor expansion of 0 in y
0.201 * [backup-simplify]: Simplify 0 into 0
0.201 * [backup-simplify]: Simplify 0 into 0
0.201 * [backup-simplify]: Simplify (+ (* 0.5 (* 1 (/ 1 (/ 1 x)))) (* 0.5 (* (/ 1 (/ 1 y)) 1))) into (+ (* 0.5 x) (* 0.5 y))
0.201 * [backup-simplify]: Simplify (+ (/ 1 (- x)) (/ (- (/ 1 (- y)) (/ 1 (- x))) 2.0)) into (- (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x))))
0.201 * [approximate]: Taking taylor expansion of (- (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x)))) in (x y) around 0
0.201 * [taylor]: Taking taylor expansion of (- (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x)))) in y
0.201 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x))) in y
0.201 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in y
0.202 * [taylor]: Taking taylor expansion of 0.5 in y
0.202 * [backup-simplify]: Simplify 0.5 into 0.5
0.202 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.202 * [taylor]: Taking taylor expansion of y in y
0.202 * [backup-simplify]: Simplify 0 into 0
0.202 * [backup-simplify]: Simplify 1 into 1
0.202 * [backup-simplify]: Simplify (/ 1 1) into 1
0.202 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in y
0.202 * [taylor]: Taking taylor expansion of 0.5 in y
0.202 * [backup-simplify]: Simplify 0.5 into 0.5
0.202 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.202 * [taylor]: Taking taylor expansion of x in y
0.202 * [backup-simplify]: Simplify x into x
0.202 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
0.202 * [taylor]: Taking taylor expansion of (- (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x)))) in x
0.202 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x))) in x
0.202 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in x
0.202 * [taylor]: Taking taylor expansion of 0.5 in x
0.202 * [backup-simplify]: Simplify 0.5 into 0.5
0.202 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.202 * [taylor]: Taking taylor expansion of y in x
0.202 * [backup-simplify]: Simplify y into y
0.202 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
0.202 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
0.202 * [taylor]: Taking taylor expansion of 0.5 in x
0.202 * [backup-simplify]: Simplify 0.5 into 0.5
0.202 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.202 * [taylor]: Taking taylor expansion of x in x
0.203 * [backup-simplify]: Simplify 0 into 0
0.203 * [backup-simplify]: Simplify 1 into 1
0.203 * [backup-simplify]: Simplify (/ 1 1) into 1
0.203 * [taylor]: Taking taylor expansion of (- (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x)))) in x
0.203 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x))) in x
0.203 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in x
0.203 * [taylor]: Taking taylor expansion of 0.5 in x
0.203 * [backup-simplify]: Simplify 0.5 into 0.5
0.203 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.203 * [taylor]: Taking taylor expansion of y in x
0.203 * [backup-simplify]: Simplify y into y
0.203 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
0.203 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
0.203 * [taylor]: Taking taylor expansion of 0.5 in x
0.203 * [backup-simplify]: Simplify 0.5 into 0.5
0.203 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.203 * [taylor]: Taking taylor expansion of x in x
0.203 * [backup-simplify]: Simplify 0 into 0
0.203 * [backup-simplify]: Simplify 1 into 1
0.204 * [backup-simplify]: Simplify (/ 1 1) into 1
0.204 * [backup-simplify]: Simplify (* 0.5 1) into 0.5
0.204 * [backup-simplify]: Simplify (+ 0 0.5) into 0.5
0.205 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
0.205 * [taylor]: Taking taylor expansion of (- 0.5) in y
0.205 * [taylor]: Taking taylor expansion of 0.5 in y
0.205 * [backup-simplify]: Simplify 0.5 into 0.5
0.205 * [backup-simplify]: Simplify (* 0.5 (/ 1 y)) into (/ 0.5 y)
0.205 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.206 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 1)) into 0
0.206 * [backup-simplify]: Simplify (+ (/ 0.5 y) 0) into (* 0.5 (/ 1 y))
0.206 * [backup-simplify]: Simplify (- (* 0.5 (/ 1 y))) into (- (* 0.5 (/ 1 y)))
0.206 * [taylor]: Taking taylor expansion of (- (* 0.5 (/ 1 y))) in y
0.206 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 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 (/ 1 y) in y
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 (/ 1 1) into 1
0.207 * [backup-simplify]: Simplify (* 0.5 1) into 0.5
0.207 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
0.208 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
0.208 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
0.208 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
0.208 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0
0.209 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 (/ 1 y))) into 0
0.210 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.210 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 1))) into 0
0.211 * [backup-simplify]: Simplify (+ 0 0) into 0
0.211 * [backup-simplify]: Simplify (- 0) into 0
0.211 * [taylor]: Taking taylor expansion of 0 in y
0.211 * [backup-simplify]: Simplify 0 into 0
0.211 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.212 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 1)) into 0
0.212 * [backup-simplify]: Simplify (- 0) into 0
0.212 * [backup-simplify]: Simplify 0 into 0
0.213 * [backup-simplify]: Simplify (- 0) into 0
0.213 * [backup-simplify]: Simplify 0 into 0
0.213 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0
0.214 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 (/ 1 y)))) into 0
0.214 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.215 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
0.215 * [backup-simplify]: Simplify (+ 0 0) into 0
0.216 * [backup-simplify]: Simplify (- 0) into 0
0.216 * [taylor]: Taking taylor expansion of 0 in y
0.216 * [backup-simplify]: Simplify 0 into 0
0.216 * [backup-simplify]: Simplify 0 into 0
0.217 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.217 * [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 into 0
0.218 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)) (* 0 (/ 0 y)))) into 0
0.219 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 (/ 1 y))))) into 0
0.220 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.229 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
0.229 * [backup-simplify]: Simplify (+ 0 0) into 0
0.230 * [backup-simplify]: Simplify (- 0) into 0
0.230 * [taylor]: Taking taylor expansion of 0 in y
0.230 * [backup-simplify]: Simplify 0 into 0
0.230 * [backup-simplify]: Simplify 0 into 0
0.231 * [backup-simplify]: Simplify (+ (* (- 0.5) (* 1 (/ 1 (/ 1 (- x))))) (* (- 0.5) (* (/ 1 (/ 1 (- y))) 1))) into (+ (* 0.5 x) (* 0.5 y))
0.231 * * * [progress]: simplifying candidates
0.231 * [simplify]: Simplifying:
  (* (exp x) (exp (/ (- y x) 2.0)))
  (log (+ x (/ (- y x) 2.0)))
  (exp (+ x (/ (- y x) 2.0)))
  (* (cbrt (+ x (/ (- y x) 2.0))) (cbrt (+ x (/ (- y x) 2.0))))
  (cbrt (+ x (/ (- y x) 2.0)))
  (* (* (+ x (/ (- y x) 2.0)) (+ x (/ (- y x) 2.0))) (+ x (/ (- y x) 2.0)))
  (sqrt (+ x (/ (- y x) 2.0)))
  (sqrt (+ x (/ (- y x) 2.0)))
  (+ (pow x 3) (pow (/ (- y x) 2.0) 3))
  (+ (* x x) (- (* (/ (- y x) 2.0) (/ (- y x) 2.0)) (* x (/ (- y x) 2.0))))
  (- (* x x) (* (/ (- y x) 2.0) (/ (- y x) 2.0)))
  (- x (/ (- y x) 2.0))
  (+ x (/ (- y x) 2.0))
  (+ x (/ y 2.0))
  (+ (* 0.5 x) (* 0.5 y))
  (+ (* 0.5 x) (* 0.5 y))
  (+ (* 0.5 x) (* 0.5 y))
0.231 * [simplify]: Sending expressions to egg_math:
 (* (exp h0) (exp (/ (- h1 h0) 2.0)))
 (log (+ h0 (/ (- h1 h0) 2.0)))
 (exp (+ h0 (/ (- h1 h0) 2.0)))
 (* (cbrt (+ h0 (/ (- h1 h0) 2.0))) (cbrt (+ h0 (/ (- h1 h0) 2.0))))
 (cbrt (+ h0 (/ (- h1 h0) 2.0)))
 (* (* (+ h0 (/ (- h1 h0) 2.0)) (+ h0 (/ (- h1 h0) 2.0))) (+ h0 (/ (- h1 h0) 2.0)))
 (sqrt (+ h0 (/ (- h1 h0) 2.0)))
 (sqrt (+ h0 (/ (- h1 h0) 2.0)))
 (+ (pow h0 3) (pow (/ (- h1 h0) 2.0) 3))
 (+ (* h0 h0) (- (* (/ (- h1 h0) 2.0) (/ (- h1 h0) 2.0)) (* h0 (/ (- h1 h0) 2.0))))
 (- (* h0 h0) (* (/ (- h1 h0) 2.0) (/ (- h1 h0) 2.0)))
 (- h0 (/ (- h1 h0) 2.0))
 (+ h0 (/ (- h1 h0) 2.0))
 (+ h0 (/ h1 2.0))
 (+ (* h2 h0) (* h2 h1))
 (+ (* h2 h0) (* h2 h1))
 (+ (* h2 h0) (* h2 h1))
1.489 * * * [progress]: adding candidates to table
1.524 * * [progress]: iteration 2 / 4
1.524 * * * [progress]: picking best candidate
1.526 * * * * [pick]: Picked  #<alt (λ (x y) (* 0.5 (+ x y)))>
1.526 * * * [progress]: localizing error
1.533 * * * [progress]: generating rewritten candidates
1.533 * * * [progress]: generating series expansions
1.533 * * * [progress]: simplifying candidates
1.533 * [simplify]: Simplifying:
  
1.533 * [simplify]: Sending expressions to egg_math:
 
1.550 * * * [progress]: adding candidates to table
1.550 * [progress]: [Phase 3 of 3] Extracting.
1.552 * [simplify]: Simplifying:
  (* 0.5 (+ x y))
1.552 * [simplify]: Sending expressions to egg_math:
 (* h2 (+ h1 h0))
2.188 * [regime-testing]: Baseline error score: 0
2.190 * [regime-testing]: Oracle error score: 0
2.190 * [regime-testing]: End program error score: 0
2.213 * [regime-testing]: Target error score: 0