22.420 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.026 * * * [progress]: [2/2] Setting up program.
0.029 * [progress]: [Phase 2 of 3] Improving.
0.029 * [simplify]: Simplifying:
  (* x (- 1.0 (* x 0.5)))
0.029 * * [simplify]: Extracting # 0 : cost  0
0.029 * * [simplify]: Extracting # 1 : cost  0
0.029 * * [simplify]: Extracting # 2 : cost  0
0.029 * * [simplify]: Extracting # 3 : cost  0
0.029 * * [simplify]: Extracting # 4 : cost  0
0.029 * * [simplify]: Extracting # 5 : cost  0
0.029 * * [simplify]: iteration  0 :  6  enodes  (cost  7 )
0.031 * * [simplify]: Extracting # 0 : cost  0
0.031 * * [simplify]: Extracting # 1 : cost  0
0.032 * * [simplify]: Extracting # 2 : cost  0
0.032 * * [simplify]: iteration  1 :  10  enodes  (cost  7 )
0.035 * * [simplify]: Extracting # 0 : cost  0
0.035 * * [simplify]: Extracting # 1 : cost  0
0.036 * * [simplify]: Extracting # 2 : cost  0
0.036 * * [simplify]: iteration  2 :  23  enodes  (cost  7 )
0.045 * * [simplify]: Extracting # 0 : cost  0
0.045 * * [simplify]: Extracting # 1 : cost  0
0.045 * * [simplify]: Extracting # 2 : cost  0
0.045 * * [simplify]: iteration  3 :  39  enodes  (cost  7 )
0.058 * * [simplify]: Extracting # 0 : cost  0
0.058 * * [simplify]: iteration  4 :  47  enodes  (cost  7 )
0.081 * * [simplify]: Extracting # 0 : cost  0
0.081 * * [simplify]: iteration done:  47  enodes  (cost  7 )
0.081 * [simplify]: Simplified to:
  (* x (- 1.0 (* x 0.5)))
0.082 * * [progress]: iteration 1 / 4
0.082 * * * [progress]: picking best candidate
0.084 * * * * [pick]: Picked  #<alt (λ (x) (* x (- 1.0 (* x 0.5))))>
0.084 * * * [progress]: localizing error
0.093 * * * [progress]: generating rewritten candidates
0.093 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.131 * * * [progress]: generating series expansions
0.131 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.131 * [backup-simplify]: Simplify (* x (- 1.0 (* x 0.5))) into (* x (- 1.0 (* 0.5 x)))
0.131 * [approximate]: Taking taylor expansion of (* x (- 1.0 (* 0.5 x))) in (x) around 0
0.131 * [taylor]: Taking taylor expansion of (* x (- 1.0 (* 0.5 x))) in x
0.131 * [taylor]: Taking taylor expansion of x in x
0.131 * [backup-simplify]: Simplify 0 into 0
0.131 * [backup-simplify]: Simplify 1 into 1
0.131 * [taylor]: Taking taylor expansion of (- 1.0 (* 0.5 x)) in x
0.131 * [taylor]: Taking taylor expansion of 1.0 in x
0.131 * [backup-simplify]: Simplify 1.0 into 1.0
0.131 * [taylor]: Taking taylor expansion of (* 0.5 x) in x
0.132 * [taylor]: Taking taylor expansion of 0.5 in x
0.132 * [backup-simplify]: Simplify 0.5 into 0.5
0.132 * [taylor]: Taking taylor expansion of x in x
0.132 * [backup-simplify]: Simplify 0 into 0
0.132 * [backup-simplify]: Simplify 1 into 1
0.132 * [taylor]: Taking taylor expansion of (* x (- 1.0 (* 0.5 x))) in x
0.132 * [taylor]: Taking taylor expansion of x in x
0.132 * [backup-simplify]: Simplify 0 into 0
0.132 * [backup-simplify]: Simplify 1 into 1
0.132 * [taylor]: Taking taylor expansion of (- 1.0 (* 0.5 x)) in x
0.132 * [taylor]: Taking taylor expansion of 1.0 in x
0.132 * [backup-simplify]: Simplify 1.0 into 1.0
0.132 * [taylor]: Taking taylor expansion of (* 0.5 x) in x
0.132 * [taylor]: Taking taylor expansion of 0.5 in x
0.132 * [backup-simplify]: Simplify 0.5 into 0.5
0.132 * [taylor]: Taking taylor expansion of x in x
0.132 * [backup-simplify]: Simplify 0 into 0
0.132 * [backup-simplify]: Simplify 1 into 1
0.133 * [backup-simplify]: Simplify (* 0.5 0) into 0
0.133 * [backup-simplify]: Simplify (- 0) into 0
0.134 * [backup-simplify]: Simplify (+ 1.0 0) into 1.0
0.134 * [backup-simplify]: Simplify (* 0 1.0) into 0
0.134 * [backup-simplify]: Simplify 0 into 0
0.135 * [backup-simplify]: Simplify (+ (* 0.5 1) (* 0 0)) into 0.5
0.136 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
0.136 * [backup-simplify]: Simplify (+ 0 (- 0.5)) into (- 0.5)
0.138 * [backup-simplify]: Simplify (+ (* 0 (- 0.5)) (* 1 1.0)) into 1.0
0.138 * [backup-simplify]: Simplify 1.0 into 1.0
0.139 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 1) (* 0 0))) into 0
0.140 * [backup-simplify]: Simplify (- 0) into 0
0.140 * [backup-simplify]: Simplify (+ 0 0) into 0
0.143 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 (- 0.5)) (* 0 1.0))) into (- 0.5)
0.144 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
0.145 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))) into 0
0.145 * [backup-simplify]: Simplify (- 0) into 0
0.146 * [backup-simplify]: Simplify (+ 0 0) into 0
0.147 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 (- 0.5)) (* 0 1.0)))) into 0
0.147 * [backup-simplify]: Simplify 0 into 0
0.148 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0))))) into 0
0.149 * [backup-simplify]: Simplify (- 0) into 0
0.149 * [backup-simplify]: Simplify (+ 0 0) into 0
0.151 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 (- 0.5)) (* 0 1.0))))) into 0
0.151 * [backup-simplify]: Simplify 0 into 0
0.152 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))))) into 0
0.153 * [backup-simplify]: Simplify (- 0) into 0
0.153 * [backup-simplify]: Simplify (+ 0 0) into 0
0.155 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 (- 0.5)) (* 0 1.0)))))) into 0
0.155 * [backup-simplify]: Simplify 0 into 0
0.156 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0))))))) into 0
0.157 * [backup-simplify]: Simplify (- 0) into 0
0.157 * [backup-simplify]: Simplify (+ 0 0) into 0
0.159 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 (- 0.5)) (* 0 1.0))))))) into 0
0.159 * [backup-simplify]: Simplify 0 into 0
0.161 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))))))) into 0
0.162 * [backup-simplify]: Simplify (- 0) into 0
0.162 * [backup-simplify]: Simplify (+ 0 0) into 0
0.164 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 (- 0.5)) (* 0 1.0)))))))) into 0
0.164 * [backup-simplify]: Simplify 0 into 0
0.166 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0))))))))) into 0
0.167 * [backup-simplify]: Simplify (- 0) into 0
0.167 * [backup-simplify]: Simplify (+ 0 0) into 0
0.170 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 (- 0.5)) (* 0 1.0))))))))) into 0
0.170 * [backup-simplify]: Simplify 0 into 0
0.170 * [backup-simplify]: Simplify (+ (* (- 0.5) (pow x 2)) (* 1.0 x)) into (- (* 1.0 x) (* 0.5 (pow x 2)))
0.171 * [backup-simplify]: Simplify (* (/ 1 x) (- 1.0 (* (/ 1 x) 0.5))) into (/ (- 1.0 (* 0.5 (/ 1 x))) x)
0.171 * [approximate]: Taking taylor expansion of (/ (- 1.0 (* 0.5 (/ 1 x))) x) in (x) around 0
0.171 * [taylor]: Taking taylor expansion of (/ (- 1.0 (* 0.5 (/ 1 x))) x) in x
0.171 * [taylor]: Taking taylor expansion of (- 1.0 (* 0.5 (/ 1 x))) in x
0.171 * [taylor]: Taking taylor expansion of 1.0 in x
0.171 * [backup-simplify]: Simplify 1.0 into 1.0
0.171 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
0.171 * [taylor]: Taking taylor expansion of 0.5 in x
0.171 * [backup-simplify]: Simplify 0.5 into 0.5
0.171 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.171 * [taylor]: Taking taylor expansion of x in x
0.171 * [backup-simplify]: Simplify 0 into 0
0.171 * [backup-simplify]: Simplify 1 into 1
0.171 * [backup-simplify]: Simplify (/ 1 1) into 1
0.171 * [taylor]: Taking taylor expansion of x in x
0.171 * [backup-simplify]: Simplify 0 into 0
0.171 * [backup-simplify]: Simplify 1 into 1
0.172 * [backup-simplify]: Simplify (* 0.5 1) into 0.5
0.172 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
0.173 * [backup-simplify]: Simplify (+ 0 (- 0.5)) into (- 0.5)
0.174 * [backup-simplify]: Simplify (/ (- 0.5) 1) into -0.5
0.174 * [taylor]: Taking taylor expansion of (/ (- 1.0 (* 0.5 (/ 1 x))) x) in x
0.174 * [taylor]: Taking taylor expansion of (- 1.0 (* 0.5 (/ 1 x))) in x
0.174 * [taylor]: Taking taylor expansion of 1.0 in x
0.174 * [backup-simplify]: Simplify 1.0 into 1.0
0.174 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 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 (/ 1 x) in x
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 * [backup-simplify]: Simplify (/ 1 1) into 1
0.175 * [taylor]: Taking taylor expansion of x in x
0.175 * [backup-simplify]: Simplify 0 into 0
0.175 * [backup-simplify]: Simplify 1 into 1
0.175 * [backup-simplify]: Simplify (* 0.5 1) into 0.5
0.176 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
0.177 * [backup-simplify]: Simplify (+ 0 (- 0.5)) into (- 0.5)
0.177 * [backup-simplify]: Simplify (/ (- 0.5) 1) into -0.5
0.177 * [backup-simplify]: Simplify -0.5 into -0.5
0.178 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.179 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 1)) into 0
0.179 * [backup-simplify]: Simplify (- 0) into 0
0.180 * [backup-simplify]: Simplify (+ 1.0 0) into 1.0
0.182 * [backup-simplify]: Simplify (- (/ 1.0 1) (+ (* -0.5 (/ 0 1)))) into 1.0
0.182 * [backup-simplify]: Simplify 1.0 into 1.0
0.183 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.184 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 1))) into 0
0.184 * [backup-simplify]: Simplify (- 0) into 0
0.185 * [backup-simplify]: Simplify (+ 0 0) into 0
0.186 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* -0.5 (/ 0 1)) (* 1.0 (/ 0 1)))) into 0
0.186 * [backup-simplify]: Simplify 0 into 0
0.187 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.188 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
0.188 * [backup-simplify]: Simplify (- 0) into 0
0.189 * [backup-simplify]: Simplify (+ 0 0) into 0
0.190 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* -0.5 (/ 0 1)) (* 1.0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.190 * [backup-simplify]: Simplify 0 into 0
0.191 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.192 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
0.192 * [backup-simplify]: Simplify (- 0) into 0
0.193 * [backup-simplify]: Simplify (+ 0 0) into 0
0.194 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* -0.5 (/ 0 1)) (* 1.0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.194 * [backup-simplify]: Simplify 0 into 0
0.195 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.196 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
0.196 * [backup-simplify]: Simplify (- 0) into 0
0.197 * [backup-simplify]: Simplify (+ 0 0) into 0
0.197 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* -0.5 (/ 0 1)) (* 1.0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.197 * [backup-simplify]: Simplify 0 into 0
0.198 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.199 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
0.199 * [backup-simplify]: Simplify (- 0) into 0
0.199 * [backup-simplify]: Simplify (+ 0 0) into 0
0.200 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* -0.5 (/ 0 1)) (* 1.0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.200 * [backup-simplify]: Simplify 0 into 0
0.201 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.202 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))))) into 0
0.202 * [backup-simplify]: Simplify (- 0) into 0
0.202 * [backup-simplify]: Simplify (+ 0 0) into 0
0.203 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* -0.5 (/ 0 1)) (* 1.0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.203 * [backup-simplify]: Simplify 0 into 0
0.203 * [backup-simplify]: Simplify (+ (* 1.0 (/ 1 (/ 1 x))) (* -0.5 (pow (/ 1 (/ 1 x)) 2))) into (- (* 1.0 x) (* 0.5 (pow x 2)))
0.203 * [backup-simplify]: Simplify (* (/ 1 (- x)) (- 1.0 (* (/ 1 (- x)) 0.5))) into (* -1 (/ (+ (* 0.5 (/ 1 x)) 1.0) x))
0.203 * [approximate]: Taking taylor expansion of (* -1 (/ (+ (* 0.5 (/ 1 x)) 1.0) x)) in (x) around 0
0.203 * [taylor]: Taking taylor expansion of (* -1 (/ (+ (* 0.5 (/ 1 x)) 1.0) x)) in x
0.203 * [taylor]: Taking taylor expansion of -1 in x
0.203 * [backup-simplify]: Simplify -1 into -1
0.203 * [taylor]: Taking taylor expansion of (/ (+ (* 0.5 (/ 1 x)) 1.0) x) in x
0.203 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 x)) 1.0) in x
0.204 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
0.204 * [taylor]: Taking taylor expansion of 0.5 in x
0.204 * [backup-simplify]: Simplify 0.5 into 0.5
0.204 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.204 * [taylor]: Taking taylor expansion of x in x
0.204 * [backup-simplify]: Simplify 0 into 0
0.204 * [backup-simplify]: Simplify 1 into 1
0.204 * [backup-simplify]: Simplify (/ 1 1) into 1
0.204 * [taylor]: Taking taylor expansion of 1.0 in x
0.204 * [backup-simplify]: Simplify 1.0 into 1.0
0.204 * [taylor]: Taking taylor expansion of x in x
0.204 * [backup-simplify]: Simplify 0 into 0
0.204 * [backup-simplify]: Simplify 1 into 1
0.204 * [backup-simplify]: Simplify (* 0.5 1) into 0.5
0.205 * [backup-simplify]: Simplify (+ 0.5 0) into 0.5
0.205 * [backup-simplify]: Simplify (/ 0.5 1) into 0.5
0.205 * [taylor]: Taking taylor expansion of (* -1 (/ (+ (* 0.5 (/ 1 x)) 1.0) x)) in x
0.205 * [taylor]: Taking taylor expansion of -1 in x
0.205 * [backup-simplify]: Simplify -1 into -1
0.205 * [taylor]: Taking taylor expansion of (/ (+ (* 0.5 (/ 1 x)) 1.0) x) in x
0.205 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 x)) 1.0) in x
0.205 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
0.205 * [taylor]: Taking taylor expansion of 0.5 in x
0.205 * [backup-simplify]: Simplify 0.5 into 0.5
0.205 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.205 * [taylor]: Taking taylor expansion of x in x
0.205 * [backup-simplify]: Simplify 0 into 0
0.205 * [backup-simplify]: Simplify 1 into 1
0.205 * [backup-simplify]: Simplify (/ 1 1) into 1
0.205 * [taylor]: Taking taylor expansion of 1.0 in x
0.205 * [backup-simplify]: Simplify 1.0 into 1.0
0.205 * [taylor]: Taking taylor expansion of x in x
0.205 * [backup-simplify]: Simplify 0 into 0
0.205 * [backup-simplify]: Simplify 1 into 1
0.206 * [backup-simplify]: Simplify (* 0.5 1) into 0.5
0.206 * [backup-simplify]: Simplify (+ 0.5 0) into 0.5
0.206 * [backup-simplify]: Simplify (/ 0.5 1) into 0.5
0.207 * [backup-simplify]: Simplify (* -1 0.5) into -0.5
0.207 * [backup-simplify]: Simplify -0.5 into -0.5
0.207 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.208 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 1)) into 0
0.208 * [backup-simplify]: Simplify (+ 0 1.0) into 1.0
0.209 * [backup-simplify]: Simplify (- (/ 1.0 1) (+ (* 0.5 (/ 0 1)))) into 1.0
0.210 * [backup-simplify]: Simplify (+ (* -1 1.0) (* 0 0.5)) into (- 1.0)
0.211 * [backup-simplify]: Simplify (- 1.0) into (- 1.0)
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
0.219 * [backup-simplify]: Simplify (+ 0 0) into 0
0.220 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 0.5 (/ 0 1)) (* 1.0 (/ 0 1)))) into 0
0.220 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 1.0) (* 0 0.5))) into 0
0.220 * [backup-simplify]: Simplify 0 into 0
0.221 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.222 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
0.222 * [backup-simplify]: Simplify (+ 0 0) into 0
0.223 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 0.5 (/ 0 1)) (* 1.0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.223 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 1.0) (* 0 0.5)))) into 0
0.223 * [backup-simplify]: Simplify 0 into 0
0.224 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.225 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
0.225 * [backup-simplify]: Simplify (+ 0 0) into 0
0.226 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 0.5 (/ 0 1)) (* 1.0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.227 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1.0) (* 0 0.5))))) into 0
0.227 * [backup-simplify]: Simplify 0 into 0
0.227 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.228 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
0.228 * [backup-simplify]: Simplify (+ 0 0) into 0
0.229 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 0.5 (/ 0 1)) (* 1.0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.230 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1.0) (* 0 0.5)))))) into 0
0.230 * [backup-simplify]: Simplify 0 into 0
0.231 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.232 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
0.232 * [backup-simplify]: Simplify (+ 0 0) into 0
0.233 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 0.5 (/ 0 1)) (* 1.0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.234 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1.0) (* 0 0.5))))))) into 0
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)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.235 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))))) into 0
0.235 * [backup-simplify]: Simplify (+ 0 0) into 0
0.236 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 0.5 (/ 0 1)) (* 1.0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.237 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1.0) (* 0 0.5)))))))) into 0
0.237 * [backup-simplify]: Simplify 0 into 0
0.238 * [backup-simplify]: Simplify (+ (* (- 1.0) (/ 1 (/ 1 (- x)))) (* -0.5 (pow (/ 1 (/ 1 (- x))) 2))) into (- (* 1.0 x) (* 0.5 (pow x 2)))
0.238 * * * [progress]: simplifying candidates
0.239 * [simplify]: Simplifying:
  (* x (- 1.0 (* x 0.5)))
  (+ (log x) (log (- 1.0 (* x 0.5))))
  (log (* x (- 1.0 (* x 0.5))))
  (exp (* x (- 1.0 (* x 0.5))))
  (* (* (* x x) x) (* (* (- 1.0 (* x 0.5)) (- 1.0 (* x 0.5))) (- 1.0 (* x 0.5))))
  (* (cbrt (* x (- 1.0 (* x 0.5)))) (cbrt (* x (- 1.0 (* x 0.5)))))
  (cbrt (* x (- 1.0 (* x 0.5))))
  (* (* (* x (- 1.0 (* x 0.5))) (* x (- 1.0 (* x 0.5)))) (* x (- 1.0 (* x 0.5))))
  (sqrt (* x (- 1.0 (* x 0.5))))
  (sqrt (* x (- 1.0 (* x 0.5))))
  (* (sqrt x) (sqrt (- 1.0 (* x 0.5))))
  (* (sqrt x) (sqrt (- 1.0 (* x 0.5))))
  (* x 1.0)
  (* x (- (* x 0.5)))
  (* x 1.0)
  (* x (- (* x 0.5)))
  (* 1.0 x)
  (* (- (* x 0.5)) x)
  (* 1.0 x)
  (* (- (* x 0.5)) x)
  (* x (* (cbrt (- 1.0 (* x 0.5))) (cbrt (- 1.0 (* x 0.5)))))
  (* x (sqrt (- 1.0 (* x 0.5))))
  (* x 1)
  (* (cbrt x) (- 1.0 (* x 0.5)))
  (* (sqrt x) (- 1.0 (* x 0.5)))
  (* x (- 1.0 (* x 0.5)))
  (* x (- (pow 1.0 3) (pow (* x 0.5) 3)))
  (* x (- (* 1.0 1.0) (* (* x 0.5) (* x 0.5))))
  (- (* 1.0 x) (* 0.5 (pow x 2)))
  (- (* 1.0 x) (* 0.5 (pow x 2)))
  (- (* 1.0 x) (* 0.5 (pow x 2)))
0.239 * * [simplify]: Extracting # 0 : cost  0
0.239 * * [simplify]: Extracting # 1 : cost  0
0.239 * * [simplify]: Extracting # 2 : cost  0
0.239 * * [simplify]: Extracting # 3 : cost  0
0.239 * * [simplify]: Extracting # 4 : cost  0
0.240 * * [simplify]: Extracting # 5 : cost  0
0.240 * * [simplify]: Extracting # 6 : cost  0
0.240 * * [simplify]: iteration  0 :  51  enodes  (cost  273 )
0.254 * * [simplify]: Extracting # 0 : cost  0
0.254 * * [simplify]: Extracting # 1 : cost  0
0.254 * * [simplify]: Extracting # 2 : cost  0
0.254 * * [simplify]: Extracting # 3 : cost  0
0.254 * * [simplify]: Extracting # 4 : cost  0
0.254 * * [simplify]: iteration  1 :  133  enodes  (cost  270 )
0.307 * * [simplify]: Extracting # 0 : cost  0
0.308 * * [simplify]: Extracting # 1 : cost  0
0.309 * * [simplify]: Extracting # 2 : cost  0
0.309 * * [simplify]: Extracting # 3 : cost  0
0.310 * * [simplify]: iteration  2 :  569  enodes  (cost  244 )
1.212 * * [simplify]: Extracting # 0 : cost  0
1.217 * * [simplify]: Extracting # 1 : cost  0
1.226 * * [simplify]: Extracting # 2 : cost  0
1.237 * * [simplify]: Extracting # 3 : cost  0
1.248 * * [simplify]: Extracting # 4 : cost  0
1.256 * * [simplify]: iteration  3 :  4576  enodes  (cost  238 )
3.114 * * [simplify]: Extracting # 0 : cost  0
3.121 * * [simplify]: Extracting # 1 : cost  0
3.127 * * [simplify]: Extracting # 2 : cost  0
3.134 * * [simplify]: Extracting # 3 : cost  0
3.152 * * [simplify]: iteration done:  5001  enodes  (cost  238 )
3.152 * [simplify]: Simplified to:
  (* x (- 1.0 (* x 0.5)))
  (log (* x (- 1.0 (* x 0.5))))
  (log (* x (- 1.0 (* x 0.5))))
  (exp (* x (- 1.0 (* x 0.5))))
  (* (pow x 3) (pow (- 1.0 (* x 0.5)) 3))
  (* (cbrt (* x (- 1.0 (* x 0.5)))) (cbrt (* x (- 1.0 (* x 0.5)))))
  (cbrt (* x (- 1.0 (* x 0.5))))
  (pow (* x (- 1.0 (* x 0.5))) 3)
  (sqrt (* x (- 1.0 (* x 0.5))))
  (sqrt (* x (- 1.0 (* x 0.5))))
  (* (sqrt x) (sqrt (- 1.0 (* x 0.5))))
  (* (sqrt x) (sqrt (- 1.0 (* x 0.5))))
  (* x 1.0)
  (* x (- (* x 0.5)))
  (* x 1.0)
  (* x (- (* x 0.5)))
  (* 1.0 x)
  (* (- (* x 0.5)) x)
  (* 1.0 x)
  (* (- (* x 0.5)) x)
  (* x (* (cbrt (- 1.0 (* x 0.5))) (cbrt (- 1.0 (* x 0.5)))))
  (* x (sqrt (- 1.0 (* x 0.5))))
  x
  (* (cbrt x) (- 1.0 (* x 0.5)))
  (* (sqrt x) (- 1.0 (* x 0.5)))
  (* x (- 1.0 (* x 0.5)))
  (* x (- (pow 1.0 3) (pow (* x 0.5) 3)))
  (* x (- (* 1.0 1.0) (* (* x 0.5) (* x 0.5))))
  (* x (- 1.0 (* x 0.5)))
  (* x (- 1.0 (* x 0.5)))
  (* x (- 1.0 (* x 0.5)))
3.152 * * * [progress]: adding candidates to table
3.204 * * [progress]: iteration 2 / 4
3.204 * * * [progress]: picking best candidate
3.205 * * * * [pick]: Picked  #<alt (λ (x) (+ (* x 1.0) (* x (- (* x 0.5)))))>
3.205 * * * [progress]: localizing error
3.217 * * * [progress]: generating rewritten candidates
3.217 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
3.236 * * * [progress]: generating series expansions
3.236 * * * * [progress]: [ 1 / 1 ] generating series at (2)
3.236 * [backup-simplify]: Simplify (+ (* x 1.0) (* x (- (* x 0.5)))) into (- (* 1.0 x) (* 0.5 (pow x 2)))
3.236 * [approximate]: Taking taylor expansion of (- (* 1.0 x) (* 0.5 (pow x 2))) in (x) around 0
3.236 * [taylor]: Taking taylor expansion of (- (* 1.0 x) (* 0.5 (pow x 2))) in x
3.236 * [taylor]: Taking taylor expansion of (* 1.0 x) in x
3.236 * [taylor]: Taking taylor expansion of 1.0 in x
3.236 * [backup-simplify]: Simplify 1.0 into 1.0
3.236 * [taylor]: Taking taylor expansion of x in x
3.236 * [backup-simplify]: Simplify 0 into 0
3.236 * [backup-simplify]: Simplify 1 into 1
3.236 * [taylor]: Taking taylor expansion of (* 0.5 (pow x 2)) in x
3.236 * [taylor]: Taking taylor expansion of 0.5 in x
3.236 * [backup-simplify]: Simplify 0.5 into 0.5
3.237 * [taylor]: Taking taylor expansion of (pow x 2) in x
3.237 * [taylor]: Taking taylor expansion of x in x
3.237 * [backup-simplify]: Simplify 0 into 0
3.237 * [backup-simplify]: Simplify 1 into 1
3.237 * [taylor]: Taking taylor expansion of (- (* 1.0 x) (* 0.5 (pow x 2))) in x
3.237 * [taylor]: Taking taylor expansion of (* 1.0 x) in x
3.237 * [taylor]: Taking taylor expansion of 1.0 in x
3.237 * [backup-simplify]: Simplify 1.0 into 1.0
3.237 * [taylor]: Taking taylor expansion of x in x
3.237 * [backup-simplify]: Simplify 0 into 0
3.237 * [backup-simplify]: Simplify 1 into 1
3.237 * [taylor]: Taking taylor expansion of (* 0.5 (pow x 2)) in x
3.237 * [taylor]: Taking taylor expansion of 0.5 in x
3.237 * [backup-simplify]: Simplify 0.5 into 0.5
3.237 * [taylor]: Taking taylor expansion of (pow x 2) in x
3.237 * [taylor]: Taking taylor expansion of x in x
3.237 * [backup-simplify]: Simplify 0 into 0
3.237 * [backup-simplify]: Simplify 1 into 1
3.237 * [backup-simplify]: Simplify (* 1.0 0) into 0
3.238 * [backup-simplify]: Simplify (+ 0 0) into 0
3.238 * [backup-simplify]: Simplify 0 into 0
3.239 * [backup-simplify]: Simplify (+ (* 1.0 1) (* 0 0)) into 1.0
3.239 * [backup-simplify]: Simplify (+ 1.0 0) into 1.0
3.239 * [backup-simplify]: Simplify 1.0 into 1.0
3.240 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 1) (* 0 0))) into 0
3.240 * [backup-simplify]: Simplify (* 1 1) into 1
3.240 * [backup-simplify]: Simplify (* 0.5 1) into 0.5
3.240 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
3.241 * [backup-simplify]: Simplify (+ 0 (- 0.5)) into (- 0.5)
3.241 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
3.242 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))) into 0
3.242 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
3.243 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 1)) into 0
3.243 * [backup-simplify]: Simplify (- 0) into 0
3.243 * [backup-simplify]: Simplify (+ 0 0) into 0
3.243 * [backup-simplify]: Simplify 0 into 0
3.244 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0))))) into 0
3.244 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
3.245 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 1))) into 0
3.245 * [backup-simplify]: Simplify (- 0) into 0
3.245 * [backup-simplify]: Simplify (+ 0 0) into 0
3.245 * [backup-simplify]: Simplify 0 into 0
3.246 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))))) into 0
3.247 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
3.247 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
3.248 * [backup-simplify]: Simplify (- 0) into 0
3.248 * [backup-simplify]: Simplify (+ 0 0) into 0
3.248 * [backup-simplify]: Simplify 0 into 0
3.249 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0))))))) into 0
3.250 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
3.251 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
3.251 * [backup-simplify]: Simplify (- 0) into 0
3.251 * [backup-simplify]: Simplify (+ 0 0) into 0
3.251 * [backup-simplify]: Simplify 0 into 0
3.252 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))))))) into 0
3.254 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
3.255 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
3.256 * [backup-simplify]: Simplify (- 0) into 0
3.256 * [backup-simplify]: Simplify (+ 0 0) into 0
3.256 * [backup-simplify]: Simplify 0 into 0
3.258 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0))))))))) into 0
3.260 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
3.262 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
3.262 * [backup-simplify]: Simplify (- 0) into 0
3.263 * [backup-simplify]: Simplify (+ 0 0) into 0
3.263 * [backup-simplify]: Simplify 0 into 0
3.263 * [backup-simplify]: Simplify (+ (* (- 0.5) (pow x 2)) (* 1.0 x)) into (- (* 1.0 x) (* 0.5 (pow x 2)))
3.264 * [backup-simplify]: Simplify (+ (* (/ 1 x) 1.0) (* (/ 1 x) (- (* (/ 1 x) 0.5)))) into (- (* 1.0 (/ 1 x)) (* 0.5 (/ 1 (pow x 2))))
3.264 * [approximate]: Taking taylor expansion of (- (* 1.0 (/ 1 x)) (* 0.5 (/ 1 (pow x 2)))) in (x) around 0
3.264 * [taylor]: Taking taylor expansion of (- (* 1.0 (/ 1 x)) (* 0.5 (/ 1 (pow x 2)))) in x
3.264 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 x)) in x
3.264 * [taylor]: Taking taylor expansion of 1.0 in x
3.264 * [backup-simplify]: Simplify 1.0 into 1.0
3.264 * [taylor]: Taking taylor expansion of (/ 1 x) in x
3.264 * [taylor]: Taking taylor expansion of x in x
3.264 * [backup-simplify]: Simplify 0 into 0
3.264 * [backup-simplify]: Simplify 1 into 1
3.264 * [backup-simplify]: Simplify (/ 1 1) into 1
3.264 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 (pow x 2))) in x
3.264 * [taylor]: Taking taylor expansion of 0.5 in x
3.265 * [backup-simplify]: Simplify 0.5 into 0.5
3.265 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
3.265 * [taylor]: Taking taylor expansion of (pow x 2) in x
3.265 * [taylor]: Taking taylor expansion of x in x
3.265 * [backup-simplify]: Simplify 0 into 0
3.265 * [backup-simplify]: Simplify 1 into 1
3.265 * [backup-simplify]: Simplify (* 1 1) into 1
3.265 * [backup-simplify]: Simplify (/ 1 1) into 1
3.265 * [taylor]: Taking taylor expansion of (- (* 1.0 (/ 1 x)) (* 0.5 (/ 1 (pow x 2)))) in x
3.265 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 x)) in x
3.265 * [taylor]: Taking taylor expansion of 1.0 in x
3.266 * [backup-simplify]: Simplify 1.0 into 1.0
3.266 * [taylor]: Taking taylor expansion of (/ 1 x) in x
3.266 * [taylor]: Taking taylor expansion of x in x
3.266 * [backup-simplify]: Simplify 0 into 0
3.266 * [backup-simplify]: Simplify 1 into 1
3.266 * [backup-simplify]: Simplify (/ 1 1) into 1
3.266 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 (pow x 2))) in x
3.266 * [taylor]: Taking taylor expansion of 0.5 in x
3.266 * [backup-simplify]: Simplify 0.5 into 0.5
3.266 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
3.266 * [taylor]: Taking taylor expansion of (pow x 2) in x
3.266 * [taylor]: Taking taylor expansion of x in x
3.266 * [backup-simplify]: Simplify 0 into 0
3.266 * [backup-simplify]: Simplify 1 into 1
3.267 * [backup-simplify]: Simplify (* 1 1) into 1
3.267 * [backup-simplify]: Simplify (/ 1 1) into 1
3.268 * [backup-simplify]: Simplify (* 0.5 1) into 0.5
3.268 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
3.268 * [backup-simplify]: Simplify (+ 0 (- 0.5)) into (- 0.5)
3.269 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
3.269 * [backup-simplify]: Simplify (* 1.0 1) into 1.0
3.269 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
3.270 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
3.270 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 1)) into 0
3.270 * [backup-simplify]: Simplify (- 0) into 0
3.271 * [backup-simplify]: Simplify (+ 1.0 0) into 1.0
3.271 * [backup-simplify]: Simplify 1.0 into 1.0
3.271 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
3.272 * [backup-simplify]: Simplify (+ (* 1.0 0) (* 0 1)) into 0
3.272 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
3.273 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.273 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 1))) into 0
3.273 * [backup-simplify]: Simplify (- 0) into 0
3.274 * [backup-simplify]: Simplify (+ 0 0) into 0
3.274 * [backup-simplify]: Simplify 0 into 0
3.274 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.275 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (* 0 1))) into 0
3.275 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
3.276 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.276 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
3.277 * [backup-simplify]: Simplify (- 0) into 0
3.277 * [backup-simplify]: Simplify (+ 0 0) into 0
3.277 * [backup-simplify]: Simplify 0 into 0
3.278 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.278 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
3.279 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
3.279 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.280 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
3.280 * [backup-simplify]: Simplify (- 0) into 0
3.281 * [backup-simplify]: Simplify (+ 0 0) into 0
3.281 * [backup-simplify]: Simplify 0 into 0
3.281 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.282 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
3.283 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
3.283 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.284 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
3.284 * [backup-simplify]: Simplify (- 0) into 0
3.284 * [backup-simplify]: Simplify (+ 0 0) into 0
3.285 * [backup-simplify]: Simplify 0 into 0
3.285 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.286 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
3.287 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
3.287 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.289 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
3.289 * [backup-simplify]: Simplify (- 0) into 0
3.289 * [backup-simplify]: Simplify (+ 0 0) into 0
3.289 * [backup-simplify]: Simplify 0 into 0
3.290 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.291 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
3.292 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))))) into 0
3.292 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.293 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))))) into 0
3.293 * [backup-simplify]: Simplify (- 0) into 0
3.294 * [backup-simplify]: Simplify (+ 0 0) into 0
3.294 * [backup-simplify]: Simplify 0 into 0
3.294 * [backup-simplify]: Simplify (+ (* 1.0 (/ 1 (/ 1 x))) (* (- 0.5) (pow (/ 1 (/ 1 x)) 2))) into (- (* 1.0 x) (* 0.5 (pow x 2)))
3.294 * [backup-simplify]: Simplify (+ (* (/ 1 (- x)) 1.0) (* (/ 1 (- x)) (- (* (/ 1 (- x)) 0.5)))) into (- (+ (* 0.5 (/ 1 (pow x 2))) (* 1.0 (/ 1 x))))
3.294 * [approximate]: Taking taylor expansion of (- (+ (* 0.5 (/ 1 (pow x 2))) (* 1.0 (/ 1 x)))) in (x) around 0
3.294 * [taylor]: Taking taylor expansion of (- (+ (* 0.5 (/ 1 (pow x 2))) (* 1.0 (/ 1 x)))) in x
3.294 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 (pow x 2))) (* 1.0 (/ 1 x))) in x
3.294 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 (pow x 2))) in x
3.294 * [taylor]: Taking taylor expansion of 0.5 in x
3.294 * [backup-simplify]: Simplify 0.5 into 0.5
3.294 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
3.295 * [taylor]: Taking taylor expansion of (pow x 2) in x
3.295 * [taylor]: Taking taylor expansion of x in x
3.295 * [backup-simplify]: Simplify 0 into 0
3.295 * [backup-simplify]: Simplify 1 into 1
3.295 * [backup-simplify]: Simplify (* 1 1) into 1
3.295 * [backup-simplify]: Simplify (/ 1 1) into 1
3.295 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 x)) in x
3.295 * [taylor]: Taking taylor expansion of 1.0 in x
3.295 * [backup-simplify]: Simplify 1.0 into 1.0
3.295 * [taylor]: Taking taylor expansion of (/ 1 x) in x
3.295 * [taylor]: Taking taylor expansion of x in x
3.295 * [backup-simplify]: Simplify 0 into 0
3.295 * [backup-simplify]: Simplify 1 into 1
3.295 * [backup-simplify]: Simplify (/ 1 1) into 1
3.295 * [taylor]: Taking taylor expansion of (- (+ (* 0.5 (/ 1 (pow x 2))) (* 1.0 (/ 1 x)))) in x
3.295 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 (pow x 2))) (* 1.0 (/ 1 x))) in x
3.295 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 (pow x 2))) in x
3.295 * [taylor]: Taking taylor expansion of 0.5 in x
3.296 * [backup-simplify]: Simplify 0.5 into 0.5
3.296 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
3.296 * [taylor]: Taking taylor expansion of (pow x 2) in x
3.296 * [taylor]: Taking taylor expansion of x in x
3.296 * [backup-simplify]: Simplify 0 into 0
3.296 * [backup-simplify]: Simplify 1 into 1
3.296 * [backup-simplify]: Simplify (* 1 1) into 1
3.296 * [backup-simplify]: Simplify (/ 1 1) into 1
3.296 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 x)) in x
3.296 * [taylor]: Taking taylor expansion of 1.0 in x
3.296 * [backup-simplify]: Simplify 1.0 into 1.0
3.296 * [taylor]: Taking taylor expansion of (/ 1 x) in x
3.297 * [taylor]: Taking taylor expansion of x in x
3.297 * [backup-simplify]: Simplify 0 into 0
3.297 * [backup-simplify]: Simplify 1 into 1
3.297 * [backup-simplify]: Simplify (/ 1 1) into 1
3.297 * [backup-simplify]: Simplify (* 0.5 1) into 0.5
3.298 * [backup-simplify]: Simplify (+ 0.5 0) into 0.5
3.298 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
3.299 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
3.300 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
3.300 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
3.301 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 1)) into 0
3.302 * [backup-simplify]: Simplify (* 1.0 1) into 1.0
3.302 * [backup-simplify]: Simplify (+ 0 1.0) into 1.0
3.302 * [backup-simplify]: Simplify (- 1.0) into (- 1.0)
3.303 * [backup-simplify]: Simplify (- 1.0) into (- 1.0)
3.304 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
3.305 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.306 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 1))) into 0
3.306 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
3.307 * [backup-simplify]: Simplify (+ (* 1.0 0) (* 0 1)) into 0
3.308 * [backup-simplify]: Simplify (+ 0 0) into 0
3.308 * [backup-simplify]: Simplify (- 0) into 0
3.308 * [backup-simplify]: Simplify 0 into 0
3.309 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
3.310 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.311 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
3.312 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.313 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (* 0 1))) into 0
3.313 * [backup-simplify]: Simplify (+ 0 0) into 0
3.314 * [backup-simplify]: Simplify (- 0) into 0
3.314 * [backup-simplify]: Simplify 0 into 0
3.315 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
3.316 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.317 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
3.317 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.318 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
3.318 * [backup-simplify]: Simplify (+ 0 0) into 0
3.318 * [backup-simplify]: Simplify (- 0) into 0
3.318 * [backup-simplify]: Simplify 0 into 0
3.319 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
3.320 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.320 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
3.321 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.322 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
3.322 * [backup-simplify]: Simplify (+ 0 0) into 0
3.322 * [backup-simplify]: Simplify (- 0) into 0
3.322 * [backup-simplify]: Simplify 0 into 0
3.323 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
3.324 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.324 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
3.325 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.326 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
3.326 * [backup-simplify]: Simplify (+ 0 0) into 0
3.326 * [backup-simplify]: Simplify (- 0) into 0
3.326 * [backup-simplify]: Simplify 0 into 0
3.327 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))))) into 0
3.328 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.329 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))))) into 0
3.334 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.335 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
3.336 * [backup-simplify]: Simplify (+ 0 0) into 0
3.336 * [backup-simplify]: Simplify (- 0) into 0
3.336 * [backup-simplify]: Simplify 0 into 0
3.337 * [backup-simplify]: Simplify (+ (* (- 1.0) (/ 1 (/ 1 (- x)))) (* (- 0.5) (pow (/ 1 (/ 1 (- x))) 2))) into (- (* 1.0 x) (* 0.5 (pow x 2)))
3.337 * * * [progress]: simplifying candidates
3.337 * [simplify]: Simplifying:
  (* (exp (* x 1.0)) (exp (* x (- (* x 0.5)))))
  (log (+ (* x 1.0) (* x (- (* x 0.5)))))
  (exp (+ (* x 1.0) (* x (- (* x 0.5)))))
  (* (cbrt (+ (* x 1.0) (* x (- (* x 0.5))))) (cbrt (+ (* x 1.0) (* x (- (* x 0.5))))))
  (cbrt (+ (* x 1.0) (* x (- (* x 0.5)))))
  (* (* (+ (* x 1.0) (* x (- (* x 0.5)))) (+ (* x 1.0) (* x (- (* x 0.5))))) (+ (* x 1.0) (* x (- (* x 0.5)))))
  (sqrt (+ (* x 1.0) (* x (- (* x 0.5)))))
  (sqrt (+ (* x 1.0) (* x (- (* x 0.5)))))
  (+ (pow (* x 1.0) 3) (pow (* x (- (* x 0.5))) 3))
  (+ (* (* x 1.0) (* x 1.0)) (- (* (* x (- (* x 0.5))) (* x (- (* x 0.5)))) (* (* x 1.0) (* x (- (* x 0.5))))))
  (- (* (* x 1.0) (* x 1.0)) (* (* x (- (* x 0.5))) (* x (- (* x 0.5)))))
  (- (* x 1.0) (* x (- (* x 0.5))))
  (+ 1.0 (- (* x 0.5)))
  (- (* 1.0 x) (* 0.5 (pow x 2)))
  (- (* 1.0 x) (* 0.5 (pow x 2)))
  (- (* 1.0 x) (* 0.5 (pow x 2)))
3.338 * * [simplify]: Extracting # 0 : cost  0
3.338 * * [simplify]: Extracting # 1 : cost  0
3.338 * * [simplify]: Extracting # 2 : cost  0
3.338 * * [simplify]: Extracting # 3 : cost  0
3.338 * * [simplify]: Extracting # 4 : cost  0
3.338 * * [simplify]: Extracting # 5 : cost  0
3.338 * * [simplify]: Extracting # 6 : cost  0
3.338 * * [simplify]: iteration  0 :  35  enodes  (cost  232 )
3.347 * * [simplify]: Extracting # 0 : cost  0
3.347 * * [simplify]: Extracting # 1 : cost  0
3.347 * * [simplify]: Extracting # 2 : cost  0
3.348 * * [simplify]: Extracting # 3 : cost  0
3.348 * * [simplify]: iteration  1 :  118  enodes  (cost  183 )
3.418 * * [simplify]: Extracting # 0 : cost  0
3.419 * * [simplify]: Extracting # 1 : cost  0
3.425 * * [simplify]: Extracting # 2 : cost  0
3.426 * * [simplify]: Extracting # 3 : cost  0
3.427 * * [simplify]: Extracting # 4 : cost  0
3.428 * * [simplify]: iteration  2 :  724  enodes  (cost  166 )
3.908 * * [simplify]: Extracting # 0 : cost  0
3.917 * * [simplify]: Extracting # 1 : cost  0
3.940 * * [simplify]: Extracting # 2 : cost  0
3.953 * * [simplify]: Extracting # 3 : cost  0
3.966 * * [simplify]: Extracting # 4 : cost  0
3.979 * * [simplify]: iteration done:  5000  enodes  (cost  157 )
3.980 * [simplify]: Simplified to:
  (exp (* x (- 1.0 (* x 0.5))))
  (log (* x (- 1.0 (* x 0.5))))
  (exp (* x (- 1.0 (* x 0.5))))
  (* (cbrt (* x (- 1.0 (* x 0.5)))) (cbrt (* x (- 1.0 (* x 0.5)))))
  (cbrt (* x (- 1.0 (* x 0.5))))
  (pow (* x (- 1.0 (* x 0.5))) 3)
  (sqrt (* x (- 1.0 (* x 0.5))))
  (sqrt (* x (- 1.0 (* x 0.5))))
  (+ (pow (* x 1.0) 3) (pow (* x (- (* x 0.5))) 3))
  (+ (* (* x 1.0) (* x 1.0)) (* (* x (* x 0.5)) (* x (+ 1.0 (* x 0.5)))))
  (* (pow x 2) (- (* 1.0 1.0) (* (* x 0.5) (* x 0.5))))
  (* x (+ 1.0 (* x 0.5)))
  (- 1.0 (* x 0.5))
  (* x (- 1.0 (* 0.5 x)))
  (* x (- 1.0 (* 0.5 x)))
  (* x (- 1.0 (* 0.5 x)))
3.980 * * * [progress]: adding candidates to table
4.031 * [progress]: [Phase 3 of 3] Extracting.
4.031 * * [regime]: Finding splitpoints for: (#<alt (λ (x) (* x (- 1.0 (* x 0.5))))> #<alt (λ (x) (+ (* x 1.0) (* x (- (* x 0.5)))))>)
4.032 * * * [regime-changes]: Trying 2 branch expressions: ((* x (- 1.0 (* x 0.5))) x)
4.032 * * * * [regimes]: Trying to branch on (* x (- 1.0 (* x 0.5))) from (#<alt (λ (x) (* x (- 1.0 (* x 0.5))))> #<alt (λ (x) (+ (* x 1.0) (* x (- (* x 0.5)))))>)
4.401 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x) (* x (- 1.0 (* x 0.5))))> #<alt (λ (x) (+ (* x 1.0) (* x (- (* x 0.5)))))>)
4.420 * * * [regime]: Found split indices: #<option (#s(si 0 255))>
4.420 * [simplify]: Simplifying:
  (* x (- 1.0 (* x 0.5)))
4.420 * * [simplify]: Extracting # 0 : cost  0
4.420 * * [simplify]: Extracting # 1 : cost  0
4.420 * * [simplify]: Extracting # 2 : cost  0
4.420 * * [simplify]: Extracting # 3 : cost  0
4.420 * * [simplify]: Extracting # 4 : cost  0
4.421 * * [simplify]: Extracting # 5 : cost  0
4.421 * * [simplify]: iteration  0 :  6  enodes  (cost  7 )
4.421 * * [simplify]: Extracting # 0 : cost  0
4.421 * * [simplify]: iteration  1 :  8  enodes  (cost  7 )
4.422 * * [simplify]: Extracting # 0 : cost  0
4.422 * * [simplify]: iteration done:  8  enodes  (cost  7 )
4.422 * [simplify]: Simplified to:
  (* x (- 1.0 (* x 0.5)))
5.186 * [regime-testing]: Baseline error score: 0.009751218902362795
5.188 * [regime-testing]: Oracle error score: 0.0010001250156269534
5.192 * [regime-testing]: End program error score: 0.009751218902362795