35.744 * [progress]: [Phase 1 of 3] Setting up.
0.002 * * * [progress]: [1/2] Preparing points
0.023 * * * [progress]: [2/2] Setting up program.
0.028 * [progress]: [Phase 2 of 3] Improving.
0.028 * [simplify]: Simplifying:
  (* x (- 1.0 (* x 0.5)))
0.028 * * [simplify]: iteration 0: 6 enodes
0.030 * * [simplify]: iteration 1: 10 enodes
0.033 * * [simplify]: iteration 2: 23 enodes
0.039 * * [simplify]: iteration 3: 39 enodes
0.049 * * [simplify]: iteration 4: 46 enodes
0.061 * * [simplify]: iteration complete: 46 enodes
0.061 * * [simplify]: Extracting #0: cost 1 inf + 0
0.061 * * [simplify]: Extracting #1: cost 6 inf + 0
0.061 * * [simplify]: Extracting #2: cost 13 inf + 1
0.061 * * [simplify]: Extracting #3: cost 6 inf + 249
0.061 * * [simplify]: Extracting #4: cost 0 inf + 783
0.062 * [simplify]: Simplified to:
  (* (- 1.0 (* x 0.5)) x)
0.063 * * [progress]: iteration 1 / 4
0.063 * * * [progress]: picking best candidate
0.068 * * * * [pick]: Picked  #<alt (λ (x) (* x (- 1.0 (* x 0.5))))>
0.068 * * * [progress]: localizing error
0.082 * * * [progress]: generating rewritten candidates
0.082 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.117 * * * [progress]: generating series expansions
0.117 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.117 * [backup-simplify]: Simplify (* x (- 1.0 (* x 0.5))) into (* x (- 1.0 (* 0.5 x)))
0.117 * [approximate]: Taking taylor expansion of (* x (- 1.0 (* 0.5 x))) in (x) around 0
0.117 * [taylor]: Taking taylor expansion of (* x (- 1.0 (* 0.5 x))) in x
0.117 * [taylor]: Taking taylor expansion of x in x
0.117 * [backup-simplify]: Simplify 0 into 0
0.117 * [backup-simplify]: Simplify 1 into 1
0.118 * [taylor]: Taking taylor expansion of (- 1.0 (* 0.5 x)) in x
0.118 * [taylor]: Taking taylor expansion of 1.0 in x
0.118 * [backup-simplify]: Simplify 1.0 into 1.0
0.118 * [taylor]: Taking taylor expansion of (* 0.5 x) in x
0.118 * [taylor]: Taking taylor expansion of 0.5 in x
0.118 * [backup-simplify]: Simplify 0.5 into 0.5
0.118 * [taylor]: Taking taylor expansion of x in x
0.118 * [backup-simplify]: Simplify 0 into 0
0.118 * [backup-simplify]: Simplify 1 into 1
0.118 * [taylor]: Taking taylor expansion of (* x (- 1.0 (* 0.5 x))) in x
0.118 * [taylor]: Taking taylor expansion of x in x
0.118 * [backup-simplify]: Simplify 0 into 0
0.118 * [backup-simplify]: Simplify 1 into 1
0.118 * [taylor]: Taking taylor expansion of (- 1.0 (* 0.5 x)) in x
0.118 * [taylor]: Taking taylor expansion of 1.0 in x
0.118 * [backup-simplify]: Simplify 1.0 into 1.0
0.118 * [taylor]: Taking taylor expansion of (* 0.5 x) in x
0.118 * [taylor]: Taking taylor expansion of 0.5 in x
0.118 * [backup-simplify]: Simplify 0.5 into 0.5
0.118 * [taylor]: Taking taylor expansion of x in x
0.118 * [backup-simplify]: Simplify 0 into 0
0.118 * [backup-simplify]: Simplify 1 into 1
0.119 * [backup-simplify]: Simplify (* 0.5 0) into 0
0.119 * [backup-simplify]: Simplify (- 0) into 0
0.120 * [backup-simplify]: Simplify (+ 1.0 0) into 1.0
0.120 * [backup-simplify]: Simplify (* 0 1.0) into 0
0.120 * [backup-simplify]: Simplify 0 into 0
0.122 * [backup-simplify]: Simplify (+ (* 0.5 1) (* 0 0)) into 0.5
0.122 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
0.123 * [backup-simplify]: Simplify (+ 0 (- 0.5)) into (- 0.5)
0.125 * [backup-simplify]: Simplify (+ (* 0 (- 0.5)) (* 1 1.0)) into 1.0
0.125 * [backup-simplify]: Simplify 1.0 into 1.0
0.126 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 1) (* 0 0))) into 0
0.127 * [backup-simplify]: Simplify (- 0) into 0
0.127 * [backup-simplify]: Simplify (+ 0 0) into 0
0.131 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 (- 0.5)) (* 0 1.0))) into (- 0.5)
0.131 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
0.132 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))) into 0
0.133 * [backup-simplify]: Simplify (- 0) into 0
0.133 * [backup-simplify]: Simplify (+ 0 0) into 0
0.135 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 (- 0.5)) (* 0 1.0)))) into 0
0.135 * [backup-simplify]: Simplify 0 into 0
0.136 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0))))) into 0
0.137 * [backup-simplify]: Simplify (- 0) into 0
0.137 * [backup-simplify]: Simplify (+ 0 0) into 0
0.139 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 (- 0.5)) (* 0 1.0))))) into 0
0.139 * [backup-simplify]: Simplify 0 into 0
0.140 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))))) into 0
0.141 * [backup-simplify]: Simplify (- 0) into 0
0.141 * [backup-simplify]: Simplify (+ 0 0) into 0
0.142 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 (- 0.5)) (* 0 1.0)))))) into 0
0.142 * [backup-simplify]: Simplify 0 into 0
0.143 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0))))))) into 0
0.143 * [backup-simplify]: Simplify (- 0) into 0
0.143 * [backup-simplify]: Simplify (+ 0 0) into 0
0.145 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 (- 0.5)) (* 0 1.0))))))) into 0
0.145 * [backup-simplify]: Simplify 0 into 0
0.146 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))))))) into 0
0.146 * [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) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 (- 0.5)) (* 0 1.0)))))))) into 0
0.147 * [backup-simplify]: Simplify 0 into 0
0.149 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0))))))))) into 0
0.149 * [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) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 (- 0.5)) (* 0 1.0))))))))) into 0
0.151 * [backup-simplify]: Simplify 0 into 0
0.151 * [backup-simplify]: Simplify (+ (* (- 0.5) (pow x 2)) (* 1.0 x)) into (- (* 1.0 x) (* 0.5 (pow x 2)))
0.151 * [backup-simplify]: Simplify (* (/ 1 x) (- 1.0 (* (/ 1 x) 0.5))) into (/ (- 1.0 (* 0.5 (/ 1 x))) x)
0.151 * [approximate]: Taking taylor expansion of (/ (- 1.0 (* 0.5 (/ 1 x))) x) in (x) around 0
0.151 * [taylor]: Taking taylor expansion of (/ (- 1.0 (* 0.5 (/ 1 x))) x) in x
0.151 * [taylor]: Taking taylor expansion of (- 1.0 (* 0.5 (/ 1 x))) in x
0.151 * [taylor]: Taking taylor expansion of 1.0 in x
0.151 * [backup-simplify]: Simplify 1.0 into 1.0
0.151 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
0.151 * [taylor]: Taking taylor expansion of 0.5 in x
0.151 * [backup-simplify]: Simplify 0.5 into 0.5
0.151 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.151 * [taylor]: Taking taylor expansion of x in x
0.151 * [backup-simplify]: Simplify 0 into 0
0.151 * [backup-simplify]: Simplify 1 into 1
0.152 * [backup-simplify]: Simplify (/ 1 1) into 1
0.152 * [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 (* 0.5 1) into 0.5
0.152 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
0.153 * [backup-simplify]: Simplify (+ 0 (- 0.5)) into (- 0.5)
0.153 * [backup-simplify]: Simplify (/ (- 0.5) 1) into -0.5
0.153 * [taylor]: Taking taylor expansion of (/ (- 1.0 (* 0.5 (/ 1 x))) x) in x
0.153 * [taylor]: Taking taylor expansion of (- 1.0 (* 0.5 (/ 1 x))) in x
0.153 * [taylor]: Taking taylor expansion of 1.0 in x
0.153 * [backup-simplify]: Simplify 1.0 into 1.0
0.153 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
0.153 * [taylor]: Taking taylor expansion of 0.5 in x
0.153 * [backup-simplify]: Simplify 0.5 into 0.5
0.153 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.153 * [taylor]: Taking taylor expansion of x in x
0.154 * [backup-simplify]: Simplify 0 into 0
0.154 * [backup-simplify]: Simplify 1 into 1
0.154 * [backup-simplify]: Simplify (/ 1 1) into 1
0.154 * [taylor]: Taking taylor expansion of x in x
0.154 * [backup-simplify]: Simplify 0 into 0
0.154 * [backup-simplify]: Simplify 1 into 1
0.154 * [backup-simplify]: Simplify (* 0.5 1) into 0.5
0.154 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
0.155 * [backup-simplify]: Simplify (+ 0 (- 0.5)) into (- 0.5)
0.155 * [backup-simplify]: Simplify (/ (- 0.5) 1) into -0.5
0.156 * [backup-simplify]: Simplify -0.5 into -0.5
0.156 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.157 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 1)) into 0
0.157 * [backup-simplify]: Simplify (- 0) into 0
0.157 * [backup-simplify]: Simplify (+ 1.0 0) into 1.0
0.159 * [backup-simplify]: Simplify (- (/ 1.0 1) (+ (* -0.5 (/ 0 1)))) into 1.0
0.159 * [backup-simplify]: Simplify 1.0 into 1.0
0.159 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.160 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 1))) into 0
0.160 * [backup-simplify]: Simplify (- 0) into 0
0.160 * [backup-simplify]: Simplify (+ 0 0) into 0
0.161 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* -0.5 (/ 0 1)) (* 1.0 (/ 0 1)))) into 0
0.161 * [backup-simplify]: Simplify 0 into 0
0.162 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.162 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
0.162 * [backup-simplify]: Simplify (- 0) into 0
0.163 * [backup-simplify]: Simplify (+ 0 0) into 0
0.163 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* -0.5 (/ 0 1)) (* 1.0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.163 * [backup-simplify]: Simplify 0 into 0
0.164 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.165 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
0.165 * [backup-simplify]: Simplify (- 0) into 0
0.165 * [backup-simplify]: Simplify (+ 0 0) into 0
0.166 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* -0.5 (/ 0 1)) (* 1.0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.166 * [backup-simplify]: Simplify 0 into 0
0.167 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.167 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
0.168 * [backup-simplify]: Simplify (- 0) into 0
0.168 * [backup-simplify]: Simplify (+ 0 0) into 0
0.169 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* -0.5 (/ 0 1)) (* 1.0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.169 * [backup-simplify]: Simplify 0 into 0
0.169 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.170 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
0.170 * [backup-simplify]: Simplify (- 0) into 0
0.170 * [backup-simplify]: Simplify (+ 0 0) into 0
0.171 * [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
0.171 * [backup-simplify]: Simplify 0 into 0
0.172 * [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
0.174 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))))) into 0
0.174 * [backup-simplify]: Simplify (- 0) into 0
0.175 * [backup-simplify]: Simplify (+ 0 0) into 0
0.176 * [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
0.176 * [backup-simplify]: Simplify 0 into 0
0.177 * [backup-simplify]: Simplify (+ (* 1.0 (/ 1 (/ 1 x))) (* -0.5 (pow (/ 1 (/ 1 x)) 2))) into (- (* 1.0 x) (* 0.5 (pow x 2)))
0.177 * [backup-simplify]: Simplify (* (/ 1 (- x)) (- 1.0 (* (/ 1 (- x)) 0.5))) into (* -1 (/ (+ (* 0.5 (/ 1 x)) 1.0) x))
0.177 * [approximate]: Taking taylor expansion of (* -1 (/ (+ (* 0.5 (/ 1 x)) 1.0) x)) in (x) around 0
0.177 * [taylor]: Taking taylor expansion of (* -1 (/ (+ (* 0.5 (/ 1 x)) 1.0) x)) in x
0.177 * [taylor]: Taking taylor expansion of -1 in x
0.177 * [backup-simplify]: Simplify -1 into -1
0.177 * [taylor]: Taking taylor expansion of (/ (+ (* 0.5 (/ 1 x)) 1.0) x) in x
0.177 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 x)) 1.0) in x
0.177 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
0.177 * [taylor]: Taking taylor expansion of 0.5 in x
0.177 * [backup-simplify]: Simplify 0.5 into 0.5
0.177 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.177 * [taylor]: Taking taylor expansion of x in x
0.177 * [backup-simplify]: Simplify 0 into 0
0.177 * [backup-simplify]: Simplify 1 into 1
0.178 * [backup-simplify]: Simplify (/ 1 1) into 1
0.178 * [taylor]: Taking taylor expansion of 1.0 in x
0.178 * [backup-simplify]: Simplify 1.0 into 1.0
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
0.178 * [backup-simplify]: Simplify (* 0.5 1) into 0.5
0.179 * [backup-simplify]: Simplify (+ 0.5 0) into 0.5
0.179 * [backup-simplify]: Simplify (/ 0.5 1) into 0.5
0.179 * [taylor]: Taking taylor expansion of (* -1 (/ (+ (* 0.5 (/ 1 x)) 1.0) x)) in x
0.179 * [taylor]: Taking taylor expansion of -1 in x
0.179 * [backup-simplify]: Simplify -1 into -1
0.179 * [taylor]: Taking taylor expansion of (/ (+ (* 0.5 (/ 1 x)) 1.0) x) in x
0.179 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 x)) 1.0) in x
0.179 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
0.179 * [taylor]: Taking taylor expansion of 0.5 in x
0.179 * [backup-simplify]: Simplify 0.5 into 0.5
0.179 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.179 * [taylor]: Taking taylor expansion of x in x
0.179 * [backup-simplify]: Simplify 0 into 0
0.180 * [backup-simplify]: Simplify 1 into 1
0.180 * [backup-simplify]: Simplify (/ 1 1) into 1
0.180 * [taylor]: Taking taylor expansion of 1.0 in x
0.180 * [backup-simplify]: Simplify 1.0 into 1.0
0.180 * [taylor]: Taking taylor expansion of x in x
0.180 * [backup-simplify]: Simplify 0 into 0
0.180 * [backup-simplify]: Simplify 1 into 1
0.180 * [backup-simplify]: Simplify (* 0.5 1) into 0.5
0.181 * [backup-simplify]: Simplify (+ 0.5 0) into 0.5
0.181 * [backup-simplify]: Simplify (/ 0.5 1) into 0.5
0.182 * [backup-simplify]: Simplify (* -1 0.5) into -0.5
0.182 * [backup-simplify]: Simplify -0.5 into -0.5
0.183 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.183 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 1)) into 0
0.184 * [backup-simplify]: Simplify (+ 0 1.0) into 1.0
0.186 * [backup-simplify]: Simplify (- (/ 1.0 1) (+ (* 0.5 (/ 0 1)))) into 1.0
0.187 * [backup-simplify]: Simplify (+ (* -1 1.0) (* 0 0.5)) into (- 1.0)
0.188 * [backup-simplify]: Simplify (- 1.0) into (- 1.0)
0.189 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.190 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 1))) into 0
0.190 * [backup-simplify]: Simplify (+ 0 0) into 0
0.191 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 0.5 (/ 0 1)) (* 1.0 (/ 0 1)))) into 0
0.192 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 1.0) (* 0 0.5))) into 0
0.192 * [backup-simplify]: Simplify 0 into 0
0.193 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.194 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
0.195 * [backup-simplify]: Simplify (+ 0 0) into 0
0.196 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 0.5 (/ 0 1)) (* 1.0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.197 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 1.0) (* 0 0.5)))) into 0
0.197 * [backup-simplify]: Simplify 0 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
0.200 * [backup-simplify]: Simplify (+ 0 0) into 0
0.201 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 0.5 (/ 0 1)) (* 1.0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.202 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1.0) (* 0 0.5))))) into 0
0.202 * [backup-simplify]: Simplify 0 into 0
0.202 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.203 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
0.204 * [backup-simplify]: Simplify (+ 0 0) into 0
0.204 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 0.5 (/ 0 1)) (* 1.0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.205 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1.0) (* 0 0.5)))))) into 0
0.206 * [backup-simplify]: Simplify 0 into 0
0.206 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.207 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
0.207 * [backup-simplify]: Simplify (+ 0 0) into 0
0.208 * [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
0.213 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1.0) (* 0 0.5))))))) into 0
0.213 * [backup-simplify]: Simplify 0 into 0
0.214 * [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
0.215 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))))) into 0
0.215 * [backup-simplify]: Simplify (+ 0 0) into 0
0.216 * [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
0.217 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1.0) (* 0 0.5)))))))) into 0
0.217 * [backup-simplify]: Simplify 0 into 0
0.218 * [backup-simplify]: Simplify (+ (* (- 1.0) (/ 1 (/ 1 (- x)))) (* -0.5 (pow (/ 1 (/ 1 (- x))) 2))) into (- (* 1.0 x) (* 0.5 (pow x 2)))
0.218 * * * [progress]: simplifying candidates
0.218 * [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)))
0.219 * * [simplify]: iteration 0: 51 enodes
0.232 * * [simplify]: iteration 1: 133 enodes
0.290 * * [simplify]: iteration 2: 569 enodes
1.275 * * [simplify]: iteration 3: 4580 enodes
2.605 * * [simplify]: iteration complete: 5000 enodes
2.605 * * [simplify]: Extracting #0: cost 21 inf + 0
2.607 * * [simplify]: Extracting #1: cost 522 inf + 1
2.619 * * [simplify]: Extracting #2: cost 1154 inf + 31233
2.658 * * [simplify]: Extracting #3: cost 619 inf + 171880
2.729 * * [simplify]: Extracting #4: cost 148 inf + 245173
2.791 * * [simplify]: Extracting #5: cost 7 inf + 262064
2.880 * * [simplify]: Extracting #6: cost 0 inf + 264243
2.966 * [simplify]: Simplified to:
  (* (- 1.0 (* x 0.5)) x)
  (log (* (- 1.0 (* x 0.5)) x))
  (log (* (- 1.0 (* x 0.5)) x))
  (exp (* (- 1.0 (* x 0.5)) x))
  (* (* (- 1.0 (* x 0.5)) x) (* (* x (- 1.0 (* x 0.5))) (* x (- 1.0 (* x 0.5)))))
  (* (cbrt (* (- 1.0 (* x 0.5)) x)) (cbrt (* (- 1.0 (* x 0.5)) x)))
  (cbrt (* (- 1.0 (* x 0.5)) x))
  (* (* (* (- 1.0 (* x 0.5)) x) (* (- 1.0 (* x 0.5)) x)) (* (- 1.0 (* x 0.5)) x))
  (sqrt (* (- 1.0 (* x 0.5)) x))
  (sqrt (* (- 1.0 (* x 0.5)) x))
  (* (sqrt x) (sqrt (- 1.0 (* x 0.5))))
  (* (sqrt x) (sqrt (- 1.0 (* x 0.5))))
  (* x 1.0)
  (* (* x 0.5) (- x))
  (* x 1.0)
  (* (* x 0.5) (- x))
  (* x 1.0)
  (* (* x x) (- 0.5))
  (* x 1.0)
  (* (* x x) (- 0.5))
  (* (* x (cbrt (- 1.0 (* x 0.5)))) (cbrt (- 1.0 (* x 0.5))))
  (* (sqrt (- 1.0 (* x 0.5))) x)
  x
  (* (cbrt x) (- 1.0 (* x 0.5)))
  (* (sqrt x) (- 1.0 (* x 0.5)))
  (* (- 1.0 (* x 0.5)) x)
  (* x (- (* 1.0 (* 1.0 1.0)) (* (* (* x 0.5) (* x 0.5)) (* x 0.5))))
  (* (* x (- 1.0 (* x 0.5))) (+ 1.0 (* x 0.5)))
  (* x (- 1.0 (* x 0.5)))
  (* x (- 1.0 (* x 0.5)))
  (* x (- 1.0 (* x 0.5)))
2.967 * * * [progress]: adding candidates to table
3.050 * * [progress]: iteration 2 / 4
3.050 * * * [progress]: picking best candidate
3.052 * * * * [pick]: Picked  #<alt (λ (x) (+ (* 1.0 x) (* (- (* x 0.5)) x)))>
3.052 * * * [progress]: localizing error
3.061 * * * [progress]: generating rewritten candidates
3.061 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
3.068 * * * [progress]: generating series expansions
3.068 * * * * [progress]: [ 1 / 1 ] generating series at (2)
3.068 * [backup-simplify]: Simplify (+ (* 1.0 x) (* (- (* x 0.5)) x)) into (- (* 1.0 x) (* 0.5 (pow x 2)))
3.068 * [approximate]: Taking taylor expansion of (- (* 1.0 x) (* 0.5 (pow x 2))) in (x) around 0
3.068 * [taylor]: Taking taylor expansion of (- (* 1.0 x) (* 0.5 (pow x 2))) in x
3.068 * [taylor]: Taking taylor expansion of (* 1.0 x) in x
3.068 * [taylor]: Taking taylor expansion of 1.0 in x
3.068 * [backup-simplify]: Simplify 1.0 into 1.0
3.068 * [taylor]: Taking taylor expansion of x in x
3.068 * [backup-simplify]: Simplify 0 into 0
3.068 * [backup-simplify]: Simplify 1 into 1
3.068 * [taylor]: Taking taylor expansion of (* 0.5 (pow x 2)) in x
3.068 * [taylor]: Taking taylor expansion of 0.5 in x
3.068 * [backup-simplify]: Simplify 0.5 into 0.5
3.068 * [taylor]: Taking taylor expansion of (pow x 2) in x
3.068 * [taylor]: Taking taylor expansion of x in x
3.068 * [backup-simplify]: Simplify 0 into 0
3.068 * [backup-simplify]: Simplify 1 into 1
3.068 * [taylor]: Taking taylor expansion of (- (* 1.0 x) (* 0.5 (pow x 2))) in x
3.068 * [taylor]: Taking taylor expansion of (* 1.0 x) in x
3.068 * [taylor]: Taking taylor expansion of 1.0 in x
3.068 * [backup-simplify]: Simplify 1.0 into 1.0
3.068 * [taylor]: Taking taylor expansion of x in x
3.068 * [backup-simplify]: Simplify 0 into 0
3.068 * [backup-simplify]: Simplify 1 into 1
3.069 * [taylor]: Taking taylor expansion of (* 0.5 (pow x 2)) in x
3.069 * [taylor]: Taking taylor expansion of 0.5 in x
3.069 * [backup-simplify]: Simplify 0.5 into 0.5
3.069 * [taylor]: Taking taylor expansion of (pow x 2) in x
3.069 * [taylor]: Taking taylor expansion of x in x
3.069 * [backup-simplify]: Simplify 0 into 0
3.069 * [backup-simplify]: Simplify 1 into 1
3.069 * [backup-simplify]: Simplify (* 1.0 0) into 0
3.069 * [backup-simplify]: Simplify (+ 0 0) into 0
3.069 * [backup-simplify]: Simplify 0 into 0
3.070 * [backup-simplify]: Simplify (+ (* 1.0 1) (* 0 0)) into 1.0
3.071 * [backup-simplify]: Simplify (+ 1.0 0) into 1.0
3.071 * [backup-simplify]: Simplify 1.0 into 1.0
3.071 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 1) (* 0 0))) into 0
3.071 * [backup-simplify]: Simplify (* 1 1) into 1
3.072 * [backup-simplify]: Simplify (* 0.5 1) into 0.5
3.072 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
3.073 * [backup-simplify]: Simplify (+ 0 (- 0.5)) into (- 0.5)
3.073 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
3.076 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))) into 0
3.077 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
3.078 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 1)) into 0
3.078 * [backup-simplify]: Simplify (- 0) into 0
3.078 * [backup-simplify]: Simplify (+ 0 0) into 0
3.078 * [backup-simplify]: Simplify 0 into 0
3.079 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0))))) into 0
3.079 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
3.080 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 1))) into 0
3.080 * [backup-simplify]: Simplify (- 0) into 0
3.080 * [backup-simplify]: Simplify (+ 0 0) into 0
3.080 * [backup-simplify]: Simplify 0 into 0
3.081 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))))) into 0
3.082 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
3.082 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
3.083 * [backup-simplify]: Simplify (- 0) into 0
3.083 * [backup-simplify]: Simplify (+ 0 0) into 0
3.083 * [backup-simplify]: Simplify 0 into 0
3.084 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0))))))) into 0
3.085 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
3.085 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
3.086 * [backup-simplify]: Simplify (- 0) into 0
3.086 * [backup-simplify]: Simplify (+ 0 0) into 0
3.086 * [backup-simplify]: Simplify 0 into 0
3.087 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))))))) into 0
3.088 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
3.088 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
3.089 * [backup-simplify]: Simplify (- 0) into 0
3.089 * [backup-simplify]: Simplify (+ 0 0) into 0
3.089 * [backup-simplify]: Simplify 0 into 0
3.090 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0))))))))) into 0
3.091 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
3.092 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
3.092 * [backup-simplify]: Simplify (- 0) into 0
3.092 * [backup-simplify]: Simplify (+ 0 0) into 0
3.092 * [backup-simplify]: Simplify 0 into 0
3.093 * [backup-simplify]: Simplify (+ (* (- 0.5) (pow x 2)) (* 1.0 x)) into (- (* 1.0 x) (* 0.5 (pow x 2)))
3.093 * [backup-simplify]: Simplify (+ (* 1.0 (/ 1 x)) (* (- (* (/ 1 x) 0.5)) (/ 1 x))) into (- (* 1.0 (/ 1 x)) (* 0.5 (/ 1 (pow x 2))))
3.093 * [approximate]: Taking taylor expansion of (- (* 1.0 (/ 1 x)) (* 0.5 (/ 1 (pow x 2)))) in (x) around 0
3.093 * [taylor]: Taking taylor expansion of (- (* 1.0 (/ 1 x)) (* 0.5 (/ 1 (pow x 2)))) in x
3.093 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 x)) in x
3.093 * [taylor]: Taking taylor expansion of 1.0 in x
3.093 * [backup-simplify]: Simplify 1.0 into 1.0
3.093 * [taylor]: Taking taylor expansion of (/ 1 x) in x
3.093 * [taylor]: Taking taylor expansion of x in x
3.093 * [backup-simplify]: Simplify 0 into 0
3.093 * [backup-simplify]: Simplify 1 into 1
3.093 * [backup-simplify]: Simplify (/ 1 1) into 1
3.093 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 (pow x 2))) in x
3.093 * [taylor]: Taking taylor expansion of 0.5 in x
3.093 * [backup-simplify]: Simplify 0.5 into 0.5
3.093 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
3.093 * [taylor]: Taking taylor expansion of (pow x 2) in x
3.093 * [taylor]: Taking taylor expansion of x in x
3.093 * [backup-simplify]: Simplify 0 into 0
3.093 * [backup-simplify]: Simplify 1 into 1
3.094 * [backup-simplify]: Simplify (* 1 1) into 1
3.094 * [backup-simplify]: Simplify (/ 1 1) into 1
3.094 * [taylor]: Taking taylor expansion of (- (* 1.0 (/ 1 x)) (* 0.5 (/ 1 (pow x 2)))) in x
3.094 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 x)) in x
3.094 * [taylor]: Taking taylor expansion of 1.0 in x
3.094 * [backup-simplify]: Simplify 1.0 into 1.0
3.094 * [taylor]: Taking taylor expansion of (/ 1 x) in x
3.094 * [taylor]: Taking taylor expansion of x in x
3.094 * [backup-simplify]: Simplify 0 into 0
3.094 * [backup-simplify]: Simplify 1 into 1
3.094 * [backup-simplify]: Simplify (/ 1 1) into 1
3.094 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 (pow x 2))) in x
3.094 * [taylor]: Taking taylor expansion of 0.5 in x
3.094 * [backup-simplify]: Simplify 0.5 into 0.5
3.094 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
3.094 * [taylor]: Taking taylor expansion of (pow x 2) in x
3.094 * [taylor]: Taking taylor expansion of x in x
3.094 * [backup-simplify]: Simplify 0 into 0
3.094 * [backup-simplify]: Simplify 1 into 1
3.095 * [backup-simplify]: Simplify (* 1 1) into 1
3.095 * [backup-simplify]: Simplify (/ 1 1) into 1
3.095 * [backup-simplify]: Simplify (* 0.5 1) into 0.5
3.095 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
3.096 * [backup-simplify]: Simplify (+ 0 (- 0.5)) into (- 0.5)
3.096 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
3.096 * [backup-simplify]: Simplify (* 1.0 1) into 1.0
3.097 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
3.097 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
3.098 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 1)) into 0
3.098 * [backup-simplify]: Simplify (- 0) into 0
3.098 * [backup-simplify]: Simplify (+ 1.0 0) into 1.0
3.098 * [backup-simplify]: Simplify 1.0 into 1.0
3.099 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
3.099 * [backup-simplify]: Simplify (+ (* 1.0 0) (* 0 1)) into 0
3.100 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
3.100 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.101 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 1))) into 0
3.101 * [backup-simplify]: Simplify (- 0) into 0
3.101 * [backup-simplify]: Simplify (+ 0 0) into 0
3.101 * [backup-simplify]: Simplify 0 into 0
3.102 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.102 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (* 0 1))) into 0
3.103 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
3.103 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.104 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
3.104 * [backup-simplify]: Simplify (- 0) into 0
3.104 * [backup-simplify]: Simplify (+ 0 0) into 0
3.104 * [backup-simplify]: Simplify 0 into 0
3.105 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.106 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
3.106 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
3.107 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.108 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
3.108 * [backup-simplify]: Simplify (- 0) into 0
3.108 * [backup-simplify]: Simplify (+ 0 0) into 0
3.108 * [backup-simplify]: Simplify 0 into 0
3.109 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.109 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
3.110 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
3.111 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.111 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
3.112 * [backup-simplify]: Simplify (- 0) into 0
3.112 * [backup-simplify]: Simplify (+ 0 0) into 0
3.112 * [backup-simplify]: Simplify 0 into 0
3.113 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.114 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
3.114 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
3.115 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.116 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
3.116 * [backup-simplify]: Simplify (- 0) into 0
3.116 * [backup-simplify]: Simplify (+ 0 0) into 0
3.116 * [backup-simplify]: Simplify 0 into 0
3.117 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.118 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
3.119 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))))) into 0
3.119 * [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
3.120 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))))) into 0
3.121 * [backup-simplify]: Simplify (- 0) into 0
3.121 * [backup-simplify]: Simplify (+ 0 0) into 0
3.121 * [backup-simplify]: Simplify 0 into 0
3.122 * [backup-simplify]: Simplify (+ (* 1.0 (/ 1 (/ 1 x))) (* (- 0.5) (pow (/ 1 (/ 1 x)) 2))) into (- (* 1.0 x) (* 0.5 (pow x 2)))
3.122 * [backup-simplify]: Simplify (+ (* 1.0 (/ 1 (- x))) (* (- (* (/ 1 (- x)) 0.5)) (/ 1 (- x)))) into (- (+ (* 0.5 (/ 1 (pow x 2))) (* 1.0 (/ 1 x))))
3.122 * [approximate]: Taking taylor expansion of (- (+ (* 0.5 (/ 1 (pow x 2))) (* 1.0 (/ 1 x)))) in (x) around 0
3.122 * [taylor]: Taking taylor expansion of (- (+ (* 0.5 (/ 1 (pow x 2))) (* 1.0 (/ 1 x)))) in x
3.122 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 (pow x 2))) (* 1.0 (/ 1 x))) in x
3.122 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 (pow x 2))) in x
3.122 * [taylor]: Taking taylor expansion of 0.5 in x
3.122 * [backup-simplify]: Simplify 0.5 into 0.5
3.122 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
3.122 * [taylor]: Taking taylor expansion of (pow x 2) in x
3.122 * [taylor]: Taking taylor expansion of x in x
3.122 * [backup-simplify]: Simplify 0 into 0
3.122 * [backup-simplify]: Simplify 1 into 1
3.123 * [backup-simplify]: Simplify (* 1 1) into 1
3.123 * [backup-simplify]: Simplify (/ 1 1) into 1
3.123 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 x)) in x
3.123 * [taylor]: Taking taylor expansion of 1.0 in x
3.123 * [backup-simplify]: Simplify 1.0 into 1.0
3.123 * [taylor]: Taking taylor expansion of (/ 1 x) in x
3.123 * [taylor]: Taking taylor expansion of x in x
3.123 * [backup-simplify]: Simplify 0 into 0
3.123 * [backup-simplify]: Simplify 1 into 1
3.123 * [backup-simplify]: Simplify (/ 1 1) into 1
3.123 * [taylor]: Taking taylor expansion of (- (+ (* 0.5 (/ 1 (pow x 2))) (* 1.0 (/ 1 x)))) in x
3.123 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 (pow x 2))) (* 1.0 (/ 1 x))) in x
3.123 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 (pow x 2))) in x
3.123 * [taylor]: Taking taylor expansion of 0.5 in x
3.123 * [backup-simplify]: Simplify 0.5 into 0.5
3.123 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
3.123 * [taylor]: Taking taylor expansion of (pow x 2) in x
3.123 * [taylor]: Taking taylor expansion of x in x
3.123 * [backup-simplify]: Simplify 0 into 0
3.123 * [backup-simplify]: Simplify 1 into 1
3.124 * [backup-simplify]: Simplify (* 1 1) into 1
3.124 * [backup-simplify]: Simplify (/ 1 1) into 1
3.124 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 x)) in x
3.124 * [taylor]: Taking taylor expansion of 1.0 in x
3.124 * [backup-simplify]: Simplify 1.0 into 1.0
3.124 * [taylor]: Taking taylor expansion of (/ 1 x) in x
3.124 * [taylor]: Taking taylor expansion of x in x
3.124 * [backup-simplify]: Simplify 0 into 0
3.124 * [backup-simplify]: Simplify 1 into 1
3.124 * [backup-simplify]: Simplify (/ 1 1) into 1
3.125 * [backup-simplify]: Simplify (* 0.5 1) into 0.5
3.125 * [backup-simplify]: Simplify (+ 0.5 0) into 0.5
3.125 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
3.125 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
3.126 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
3.126 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
3.127 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 1)) into 0
3.127 * [backup-simplify]: Simplify (* 1.0 1) into 1.0
3.127 * [backup-simplify]: Simplify (+ 0 1.0) into 1.0
3.127 * [backup-simplify]: Simplify (- 1.0) into (- 1.0)
3.128 * [backup-simplify]: Simplify (- 1.0) into (- 1.0)
3.129 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
3.130 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.131 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 1))) into 0
3.131 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
3.132 * [backup-simplify]: Simplify (+ (* 1.0 0) (* 0 1)) into 0
3.133 * [backup-simplify]: Simplify (+ 0 0) into 0
3.133 * [backup-simplify]: Simplify (- 0) into 0
3.133 * [backup-simplify]: Simplify 0 into 0
3.134 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
3.135 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.136 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
3.137 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.138 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (* 0 1))) into 0
3.139 * [backup-simplify]: Simplify (+ 0 0) into 0
3.139 * [backup-simplify]: Simplify (- 0) into 0
3.139 * [backup-simplify]: Simplify 0 into 0
3.140 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
3.141 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.143 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
3.144 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.145 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
3.145 * [backup-simplify]: Simplify (+ 0 0) into 0
3.146 * [backup-simplify]: Simplify (- 0) into 0
3.146 * [backup-simplify]: Simplify 0 into 0
3.147 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
3.148 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.150 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
3.151 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.152 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
3.152 * [backup-simplify]: Simplify (+ 0 0) into 0
3.153 * [backup-simplify]: Simplify (- 0) into 0
3.153 * [backup-simplify]: Simplify 0 into 0
3.154 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
3.155 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.156 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
3.157 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.158 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
3.158 * [backup-simplify]: Simplify (+ 0 0) into 0
3.158 * [backup-simplify]: Simplify (- 0) into 0
3.158 * [backup-simplify]: Simplify 0 into 0
3.159 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))))) into 0
3.160 * [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
3.161 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))))) into 0
3.161 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.162 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
3.163 * [backup-simplify]: Simplify (+ 0 0) into 0
3.163 * [backup-simplify]: Simplify (- 0) into 0
3.163 * [backup-simplify]: Simplify 0 into 0
3.164 * [backup-simplify]: Simplify (+ (* (- 1.0) (/ 1 (/ 1 (- x)))) (* (- 0.5) (pow (/ 1 (/ 1 (- x))) 2))) into (- (* 1.0 x) (* 0.5 (pow x 2)))
3.164 * * * [progress]: simplifying candidates
3.164 * [simplify]: Simplifying:
  (* (exp (* 1.0 x)) (exp (* (- (* x 0.5)) x)))
  (log (+ (* 1.0 x) (* (- (* x 0.5)) x)))
  (exp (+ (* 1.0 x) (* (- (* x 0.5)) x)))
  (* (cbrt (+ (* 1.0 x) (* (- (* x 0.5)) x))) (cbrt (+ (* 1.0 x) (* (- (* x 0.5)) x))))
  (cbrt (+ (* 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)) x)))
  (sqrt (+ (* 1.0 x) (* (- (* x 0.5)) x)))
  (sqrt (+ (* 1.0 x) (* (- (* x 0.5)) x)))
  (+ (pow (* 1.0 x) 3) (pow (* (- (* x 0.5)) x) 3))
  (+ (* (* 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)) x))
  (+ 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)))
3.164 * * [simplify]: iteration 0: 34 enodes
3.171 * * [simplify]: iteration 1: 119 enodes
3.219 * * [simplify]: iteration 2: 643 enodes
3.468 * * [simplify]: iteration complete: 5000 enodes
3.468 * * [simplify]: Extracting #0: cost 12 inf + 0
3.468 * * [simplify]: Extracting #1: cost 202 inf + 0
3.472 * * [simplify]: Extracting #2: cost 1405 inf + 400
3.484 * * [simplify]: Extracting #3: cost 1812 inf + 46558
3.572 * * [simplify]: Extracting #4: cost 418 inf + 300388
3.665 * * [simplify]: Extracting #5: cost 18 inf + 388561
3.774 * * [simplify]: Extracting #6: cost 0 inf + 392139
3.882 * [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))))
  (* (* 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))))
  (+ (* (* (* (- x) (* 0.5 x)) (* (- x) (* 0.5 x))) (* (- x) (* 0.5 x))) (* (* 1.0 x) (* (* 1.0 x) (* 1.0 x))))
  (+ (* (* 0.5 (* x x)) (+ (* 0.5 (* x x)) (* 1.0 x))) (* (* 1.0 x) (* 1.0 x)))
  (- (* (* 1.0 x) (* 1.0 x)) (* (* (* x 0.5) x) (* (* x 0.5) x)))
  (* x (+ 1.0 (* 0.5 x)))
  (- 1.0 (* x 0.5))
  (* x (- 1.0 (* x 0.5)))
  (* x (- 1.0 (* x 0.5)))
  (* x (- 1.0 (* x 0.5)))
3.883 * * * [progress]: adding candidates to table
3.949 * [progress]: [Phase 3 of 3] Extracting.
3.949 * * [regime]: Finding splitpoints for: (#<alt (λ (x) (* x (- 1.0 (* x 0.5))))> #<alt (λ (x) (+ (* 1.0 x) (* (- (* x 0.5)) x)))>)
3.949 * * * [regime-changes]: Trying 2 branch expressions: ((* x (- 1.0 (* x 0.5))) x)
3.949 * * * * [regimes]: Trying to branch on (* x (- 1.0 (* x 0.5))) from (#<alt (λ (x) (* x (- 1.0 (* x 0.5))))> #<alt (λ (x) (+ (* 1.0 x) (* (- (* x 0.5)) x)))>)
3.975 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x) (* x (- 1.0 (* x 0.5))))> #<alt (λ (x) (+ (* 1.0 x) (* (- (* x 0.5)) x)))>)
4.020 * * * [regime]: Found split indices: #<option (#s(si 0 255))>
4.021 * [simplify]: Simplifying:
  (* x (- 1.0 (* x 0.5)))
4.021 * * [simplify]: iteration 0: 6 enodes
4.021 * * [simplify]: iteration 1: 8 enodes
4.022 * * [simplify]: iteration complete: 8 enodes
4.022 * * [simplify]: Extracting #0: cost 1 inf + 0
4.022 * * [simplify]: Extracting #1: cost 3 inf + 0
4.022 * * [simplify]: Extracting #2: cost 4 inf + 1
4.022 * * [simplify]: Extracting #3: cost 4 inf + 2
4.022 * * [simplify]: Extracting #4: cost 0 inf + 251
4.022 * [simplify]: Simplified to:
  (* (- 1.0 (* x 0.5)) x)
4.991 * [regime-testing]: Baseline error score: 0.011251406425803226
5.008 * [regime-testing]: Oracle error score: 0.00025003125390673836
5.027 * [regime-testing]: End program error score: 0.011251406425803226