2.255 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.030 * * * [progress]: [2/2] Setting up program.
0.035 * [progress]: [Phase 2 of 3] Improving.
0.035 * [simplify]: Simplifying:
  (* x (- 1.0 (* x 0.5)))
0.035 * * [simplify]: iteration 0: 6 enodes
0.037 * * [simplify]: iteration 1: 10 enodes
0.040 * * [simplify]: iteration 2: 23 enodes
0.048 * * [simplify]: iteration 3: 39 enodes
0.059 * * [simplify]: iteration 4: 46 enodes
0.071 * * [simplify]: iteration complete: 46 enodes
0.071 * * [simplify]: Extracting #0: cost 1 inf + 0
0.071 * * [simplify]: Extracting #1: cost 6 inf + 0
0.071 * * [simplify]: Extracting #2: cost 13 inf + 1
0.071 * * [simplify]: Extracting #3: cost 6 inf + 17
0.071 * * [simplify]: Extracting #4: cost 0 inf + 47
0.072 * [simplify]: Simplified to:
  (* (- 1.0 (* x 0.5)) x)
0.077 * * [progress]: iteration 1 / 4
0.078 * * * [progress]: picking best candidate
0.082 * * * * [pick]: Picked  #<alt (λ (x) (* x (- 1.0 (* x 0.5))))>
0.082 * * * [progress]: localizing error
0.095 * * * [progress]: generating rewritten candidates
0.095 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.124 * * * [progress]: generating series expansions
0.124 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.125 * [backup-simplify]: Simplify (* x (- 1.0 (* x 0.5))) into (* x (- 1.0 (* 0.5 x)))
0.125 * [approximate]: Taking taylor expansion of (* x (- 1.0 (* 0.5 x))) in (x) around 0
0.125 * [taylor]: Taking taylor expansion of (* x (- 1.0 (* 0.5 x))) in x
0.125 * [taylor]: Taking taylor expansion of x in x
0.125 * [backup-simplify]: Simplify 0 into 0
0.125 * [backup-simplify]: Simplify 1 into 1
0.125 * [taylor]: Taking taylor expansion of (- 1.0 (* 0.5 x)) in x
0.125 * [taylor]: Taking taylor expansion of 1.0 in x
0.125 * [backup-simplify]: Simplify 1.0 into 1.0
0.125 * [taylor]: Taking taylor expansion of (* 0.5 x) in x
0.125 * [taylor]: Taking taylor expansion of 0.5 in x
0.125 * [backup-simplify]: Simplify 0.5 into 0.5
0.125 * [taylor]: Taking taylor expansion of x in x
0.125 * [backup-simplify]: Simplify 0 into 0
0.125 * [backup-simplify]: Simplify 1 into 1
0.125 * [taylor]: Taking taylor expansion of (* x (- 1.0 (* 0.5 x))) in x
0.125 * [taylor]: Taking taylor expansion of x in x
0.125 * [backup-simplify]: Simplify 0 into 0
0.125 * [backup-simplify]: Simplify 1 into 1
0.125 * [taylor]: Taking taylor expansion of (- 1.0 (* 0.5 x)) in x
0.125 * [taylor]: Taking taylor expansion of 1.0 in x
0.125 * [backup-simplify]: Simplify 1.0 into 1.0
0.125 * [taylor]: Taking taylor expansion of (* 0.5 x) in x
0.125 * [taylor]: Taking taylor expansion of 0.5 in x
0.125 * [backup-simplify]: Simplify 0.5 into 0.5
0.125 * [taylor]: Taking taylor expansion of x in x
0.125 * [backup-simplify]: Simplify 0 into 0
0.125 * [backup-simplify]: Simplify 1 into 1
0.126 * [backup-simplify]: Simplify (* 0.5 0) into 0
0.127 * [backup-simplify]: Simplify (- 0) into 0
0.127 * [backup-simplify]: Simplify (+ 1.0 0) into 1.0
0.128 * [backup-simplify]: Simplify (* 0 1.0) into 0
0.128 * [backup-simplify]: Simplify 0 into 0
0.130 * [backup-simplify]: Simplify (+ (* 0.5 1) (* 0 0)) into 0.5
0.130 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
0.131 * [backup-simplify]: Simplify (+ 0 (- 0.5)) into (- 0.5)
0.134 * [backup-simplify]: Simplify (+ (* 0 (- 0.5)) (* 1 1.0)) into 1.0
0.134 * [backup-simplify]: Simplify 1.0 into 1.0
0.135 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 1) (* 0 0))) into 0
0.135 * [backup-simplify]: Simplify (- 0) into 0
0.136 * [backup-simplify]: Simplify (+ 0 0) into 0
0.140 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 (- 0.5)) (* 0 1.0))) into (- 0.5)
0.141 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
0.142 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))) into 0
0.142 * [backup-simplify]: Simplify (- 0) into 0
0.143 * [backup-simplify]: Simplify (+ 0 0) into 0
0.144 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 (- 0.5)) (* 0 1.0)))) into 0
0.144 * [backup-simplify]: Simplify 0 into 0
0.146 * [backup-simplify]: Simplify (+ (* 0.5 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
0.148 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 (- 0.5)) (* 0 1.0))))) into 0
0.148 * [backup-simplify]: Simplify 0 into 0
0.150 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))))) into 0
0.150 * [backup-simplify]: Simplify (- 0) into 0
0.150 * [backup-simplify]: Simplify (+ 0 0) into 0
0.152 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 (- 0.5)) (* 0 1.0)))))) into 0
0.152 * [backup-simplify]: Simplify 0 into 0
0.154 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0))))))) into 0
0.154 * [backup-simplify]: Simplify (- 0) into 0
0.155 * [backup-simplify]: Simplify (+ 0 0) into 0
0.157 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 (- 0.5)) (* 0 1.0))))))) into 0
0.157 * [backup-simplify]: Simplify 0 into 0
0.159 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))))))) into 0
0.160 * [backup-simplify]: Simplify (- 0) into 0
0.160 * [backup-simplify]: Simplify (+ 0 0) into 0
0.162 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 (- 0.5)) (* 0 1.0)))))))) into 0
0.162 * [backup-simplify]: Simplify 0 into 0
0.165 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0))))))))) into 0
0.165 * [backup-simplify]: Simplify (- 0) into 0
0.165 * [backup-simplify]: Simplify (+ 0 0) into 0
0.168 * [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
0.168 * [backup-simplify]: Simplify 0 into 0
0.169 * [backup-simplify]: Simplify (+ (* (- 0.5) (pow x 2)) (* 1.0 x)) into (- (* 1.0 x) (* 0.5 (pow x 2)))
0.169 * [backup-simplify]: Simplify (* (/ 1 x) (- 1.0 (* (/ 1 x) 0.5))) into (/ (- 1.0 (* 0.5 (/ 1 x))) x)
0.169 * [approximate]: Taking taylor expansion of (/ (- 1.0 (* 0.5 (/ 1 x))) x) in (x) around 0
0.169 * [taylor]: Taking taylor expansion of (/ (- 1.0 (* 0.5 (/ 1 x))) x) in x
0.169 * [taylor]: Taking taylor expansion of (- 1.0 (* 0.5 (/ 1 x))) in x
0.169 * [taylor]: Taking taylor expansion of 1.0 in x
0.169 * [backup-simplify]: Simplify 1.0 into 1.0
0.169 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
0.169 * [taylor]: Taking taylor expansion of 0.5 in x
0.169 * [backup-simplify]: Simplify 0.5 into 0.5
0.169 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.169 * [taylor]: Taking taylor expansion of x in x
0.169 * [backup-simplify]: Simplify 0 into 0
0.169 * [backup-simplify]: Simplify 1 into 1
0.170 * [backup-simplify]: Simplify (/ 1 1) into 1
0.170 * [taylor]: Taking taylor expansion of x in x
0.170 * [backup-simplify]: Simplify 0 into 0
0.170 * [backup-simplify]: Simplify 1 into 1
0.170 * [backup-simplify]: Simplify (* 0.5 1) into 0.5
0.170 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
0.171 * [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
0.175 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
0.176 * [backup-simplify]: Simplify (+ 0 (- 0.5)) into (- 0.5)
0.176 * [backup-simplify]: Simplify (/ (- 0.5) 1) into -0.5
0.176 * [backup-simplify]: Simplify -0.5 into -0.5
0.177 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.177 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 1)) into 0
0.177 * [backup-simplify]: Simplify (- 0) into 0
0.178 * [backup-simplify]: Simplify (+ 1.0 0) into 1.0
0.179 * [backup-simplify]: Simplify (- (/ 1.0 1) (+ (* -0.5 (/ 0 1)))) into 1.0
0.179 * [backup-simplify]: Simplify 1.0 into 1.0
0.179 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.180 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 1))) into 0
0.180 * [backup-simplify]: Simplify (- 0) into 0
0.180 * [backup-simplify]: Simplify (+ 0 0) into 0
0.181 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* -0.5 (/ 0 1)) (* 1.0 (/ 0 1)))) into 0
0.181 * [backup-simplify]: Simplify 0 into 0
0.182 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.182 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
0.183 * [backup-simplify]: Simplify (- 0) into 0
0.183 * [backup-simplify]: Simplify (+ 0 0) into 0
0.184 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* -0.5 (/ 0 1)) (* 1.0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.184 * [backup-simplify]: Simplify 0 into 0
0.184 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.185 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
0.185 * [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)) (* 0 (/ 0 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)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.187 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
0.188 * [backup-simplify]: Simplify (- 0) into 0
0.188 * [backup-simplify]: Simplify (+ 0 0) into 0
0.189 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* -0.5 (/ 0 1)) (* 1.0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.189 * [backup-simplify]: Simplify 0 into 0
0.189 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.190 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
0.190 * [backup-simplify]: Simplify (- 0) into 0
0.191 * [backup-simplify]: Simplify (+ 0 0) into 0
0.191 * [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
0.191 * [backup-simplify]: Simplify 0 into 0
0.192 * [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
0.193 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))))) into 0
0.193 * [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)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.194 * [backup-simplify]: Simplify 0 into 0
0.194 * [backup-simplify]: Simplify (+ (* 1.0 (/ 1 (/ 1 x))) (* -0.5 (pow (/ 1 (/ 1 x)) 2))) into (- (* 1.0 x) (* 0.5 (pow x 2)))
0.194 * [backup-simplify]: Simplify (* (/ 1 (- x)) (- 1.0 (* (/ 1 (- x)) 0.5))) into (* -1 (/ (+ (* 0.5 (/ 1 x)) 1.0) x))
0.195 * [approximate]: Taking taylor expansion of (* -1 (/ (+ (* 0.5 (/ 1 x)) 1.0) x)) in (x) around 0
0.195 * [taylor]: Taking taylor expansion of (* -1 (/ (+ (* 0.5 (/ 1 x)) 1.0) x)) in x
0.195 * [taylor]: Taking taylor expansion of -1 in x
0.195 * [backup-simplify]: Simplify -1 into -1
0.195 * [taylor]: Taking taylor expansion of (/ (+ (* 0.5 (/ 1 x)) 1.0) x) in x
0.195 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 x)) 1.0) in x
0.195 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
0.195 * [taylor]: Taking taylor expansion of 0.5 in x
0.195 * [backup-simplify]: Simplify 0.5 into 0.5
0.195 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.195 * [taylor]: Taking taylor expansion of x in x
0.195 * [backup-simplify]: Simplify 0 into 0
0.195 * [backup-simplify]: Simplify 1 into 1
0.195 * [backup-simplify]: Simplify (/ 1 1) into 1
0.195 * [taylor]: Taking taylor expansion of 1.0 in x
0.195 * [backup-simplify]: Simplify 1.0 into 1.0
0.195 * [taylor]: Taking taylor expansion of x in x
0.195 * [backup-simplify]: Simplify 0 into 0
0.195 * [backup-simplify]: Simplify 1 into 1
0.195 * [backup-simplify]: Simplify (* 0.5 1) into 0.5
0.196 * [backup-simplify]: Simplify (+ 0.5 0) into 0.5
0.196 * [backup-simplify]: Simplify (/ 0.5 1) into 0.5
0.196 * [taylor]: Taking taylor expansion of (* -1 (/ (+ (* 0.5 (/ 1 x)) 1.0) x)) in x
0.196 * [taylor]: Taking taylor expansion of -1 in x
0.196 * [backup-simplify]: Simplify -1 into -1
0.196 * [taylor]: Taking taylor expansion of (/ (+ (* 0.5 (/ 1 x)) 1.0) x) in x
0.196 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 x)) 1.0) in x
0.196 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
0.196 * [taylor]: Taking taylor expansion of 0.5 in x
0.196 * [backup-simplify]: Simplify 0.5 into 0.5
0.196 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.196 * [taylor]: Taking taylor expansion of x in x
0.196 * [backup-simplify]: Simplify 0 into 0
0.196 * [backup-simplify]: Simplify 1 into 1
0.196 * [backup-simplify]: Simplify (/ 1 1) into 1
0.196 * [taylor]: Taking taylor expansion of 1.0 in x
0.196 * [backup-simplify]: Simplify 1.0 into 1.0
0.196 * [taylor]: Taking taylor expansion of x in x
0.196 * [backup-simplify]: Simplify 0 into 0
0.196 * [backup-simplify]: Simplify 1 into 1
0.197 * [backup-simplify]: Simplify (* 0.5 1) into 0.5
0.197 * [backup-simplify]: Simplify (+ 0.5 0) into 0.5
0.197 * [backup-simplify]: Simplify (/ 0.5 1) into 0.5
0.198 * [backup-simplify]: Simplify (* -1 0.5) into -0.5
0.198 * [backup-simplify]: Simplify -0.5 into -0.5
0.198 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.198 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 1)) into 0
0.199 * [backup-simplify]: Simplify (+ 0 1.0) into 1.0
0.200 * [backup-simplify]: Simplify (- (/ 1.0 1) (+ (* 0.5 (/ 0 1)))) into 1.0
0.201 * [backup-simplify]: Simplify (+ (* -1 1.0) (* 0 0.5)) into (- 1.0)
0.201 * [backup-simplify]: Simplify (- 1.0) into (- 1.0)
0.202 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.202 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 1))) 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)))) into 0
0.204 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 1.0) (* 0 0.5))) into 0
0.204 * [backup-simplify]: Simplify 0 into 0
0.204 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.205 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
0.205 * [backup-simplify]: Simplify (+ 0 0) into 0
0.206 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 0.5 (/ 0 1)) (* 1.0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.206 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 1.0) (* 0 0.5)))) into 0
0.206 * [backup-simplify]: Simplify 0 into 0
0.207 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.208 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
0.208 * [backup-simplify]: Simplify (+ 0 0) into 0
0.209 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 0.5 (/ 0 1)) (* 1.0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.209 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1.0) (* 0 0.5))))) into 0
0.210 * [backup-simplify]: Simplify 0 into 0
0.210 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.211 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
0.211 * [backup-simplify]: Simplify (+ 0 0) into 0
0.212 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 0.5 (/ 0 1)) (* 1.0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.213 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1.0) (* 0 0.5)))))) into 0
0.213 * [backup-simplify]: Simplify 0 into 0
0.213 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.214 * [backup-simplify]: Simplify (+ (* 0.5 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)))) into 0
0.217 * [backup-simplify]: Simplify (+ (* -1 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
0.217 * [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
0.218 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))))) into 0
0.219 * [backup-simplify]: Simplify (+ 0 0) into 0
0.219 * [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
0.221 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1.0) (* 0 0.5)))))))) into 0
0.221 * [backup-simplify]: Simplify 0 into 0
0.221 * [backup-simplify]: Simplify (+ (* (- 1.0) (/ 1 (/ 1 (- x)))) (* -0.5 (pow (/ 1 (/ 1 (- x))) 2))) into (- (* 1.0 x) (* 0.5 (pow x 2)))
0.221 * * * [progress]: simplifying candidates
0.222 * [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)))
0.222 * * [simplify]: iteration 0: 51 enodes
0.237 * * [simplify]: iteration 1: 133 enodes
0.314 * * [simplify]: iteration 2: 569 enodes
1.295 * * [simplify]: iteration 3: 4580 enodes
2.980 * * [simplify]: iteration complete: 5000 enodes
2.980 * * [simplify]: Extracting #0: cost 21 inf + 0
2.981 * * [simplify]: Extracting #1: cost 522 inf + 1
2.984 * * [simplify]: Extracting #2: cost 1154 inf + 1987
2.993 * * [simplify]: Extracting #3: cost 619 inf + 10101
3.005 * * [simplify]: Extracting #4: cost 148 inf + 13768
3.025 * * [simplify]: Extracting #5: cost 7 inf + 14552
3.036 * * [simplify]: Extracting #6: cost 0 inf + 14592
3.043 * [simplify]: Simplified to:
  (* (- 1.0 (* x 0.5)) x)
  (log (* (- 1.0 (* x 0.5)) x))
  (log (* (- 1.0 (* x 0.5)) x))
  (pow (exp x) (- 1.0 (* x 0.5)))
  (* (pow x 3) (pow (- 1.0 (* x 0.5)) 3))
  (* (cbrt (* (- 1.0 (* x 0.5)) x)) (cbrt (* (- 1.0 (* x 0.5)) x)))
  (cbrt (* (- 1.0 (* x 0.5)) x))
  (pow (* (- 1.0 (* x 0.5)) x) 3)
  (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 (- (pow 1.0 3) (pow (* x 0.5) 3)))
  (* (* 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)))
3.043 * * * [progress]: adding candidates to table
3.132 * * [progress]: iteration 2 / 4
3.132 * * * [progress]: picking best candidate
3.134 * * * * [pick]: Picked  #<alt (λ (x) (+ (* x 1.0) (* (* x 0.5) (- x))))>
3.134 * * * [progress]: localizing error
3.144 * * * [progress]: generating rewritten candidates
3.144 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
3.157 * * * [progress]: generating series expansions
3.157 * * * * [progress]: [ 1 / 1 ] generating series at (2)
3.158 * [backup-simplify]: Simplify (+ (* x 1.0) (* (* x 0.5) (- x))) into (- (* 1.0 x) (* 0.5 (pow x 2)))
3.158 * [approximate]: Taking taylor expansion of (- (* 1.0 x) (* 0.5 (pow x 2))) in (x) around 0
3.158 * [taylor]: Taking taylor expansion of (- (* 1.0 x) (* 0.5 (pow x 2))) in x
3.158 * [taylor]: Taking taylor expansion of (* 1.0 x) in x
3.158 * [taylor]: Taking taylor expansion of 1.0 in x
3.158 * [backup-simplify]: Simplify 1.0 into 1.0
3.158 * [taylor]: Taking taylor expansion of x in x
3.158 * [backup-simplify]: Simplify 0 into 0
3.158 * [backup-simplify]: Simplify 1 into 1
3.158 * [taylor]: Taking taylor expansion of (* 0.5 (pow x 2)) in x
3.158 * [taylor]: Taking taylor expansion of 0.5 in x
3.158 * [backup-simplify]: Simplify 0.5 into 0.5
3.158 * [taylor]: Taking taylor expansion of (pow x 2) in x
3.158 * [taylor]: Taking taylor expansion of x in x
3.158 * [backup-simplify]: Simplify 0 into 0
3.158 * [backup-simplify]: Simplify 1 into 1
3.158 * [taylor]: Taking taylor expansion of (- (* 1.0 x) (* 0.5 (pow x 2))) in x
3.158 * [taylor]: Taking taylor expansion of (* 1.0 x) in x
3.158 * [taylor]: Taking taylor expansion of 1.0 in x
3.158 * [backup-simplify]: Simplify 1.0 into 1.0
3.158 * [taylor]: Taking taylor expansion of x in x
3.158 * [backup-simplify]: Simplify 0 into 0
3.158 * [backup-simplify]: Simplify 1 into 1
3.159 * [taylor]: Taking taylor expansion of (* 0.5 (pow x 2)) in x
3.159 * [taylor]: Taking taylor expansion of 0.5 in x
3.159 * [backup-simplify]: Simplify 0.5 into 0.5
3.159 * [taylor]: Taking taylor expansion of (pow x 2) in x
3.159 * [taylor]: Taking taylor expansion of x in x
3.159 * [backup-simplify]: Simplify 0 into 0
3.159 * [backup-simplify]: Simplify 1 into 1
3.159 * [backup-simplify]: Simplify (* 1.0 0) into 0
3.160 * [backup-simplify]: Simplify (+ 0 0) into 0
3.160 * [backup-simplify]: Simplify 0 into 0
3.161 * [backup-simplify]: Simplify (+ (* 1.0 1) (* 0 0)) into 1.0
3.162 * [backup-simplify]: Simplify (+ 1.0 0) into 1.0
3.162 * [backup-simplify]: Simplify 1.0 into 1.0
3.163 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 1) (* 0 0))) into 0
3.163 * [backup-simplify]: Simplify (* 1 1) into 1
3.164 * [backup-simplify]: Simplify (* 0.5 1) into 0.5
3.164 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
3.165 * [backup-simplify]: Simplify (+ 0 (- 0.5)) into (- 0.5)
3.166 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
3.167 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))) into 0
3.167 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
3.168 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 1)) into 0
3.169 * [backup-simplify]: Simplify (- 0) into 0
3.169 * [backup-simplify]: Simplify (+ 0 0) into 0
3.169 * [backup-simplify]: Simplify 0 into 0
3.170 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0))))) into 0
3.171 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
3.172 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 1))) into 0
3.173 * [backup-simplify]: Simplify (- 0) into 0
3.173 * [backup-simplify]: Simplify (+ 0 0) into 0
3.173 * [backup-simplify]: Simplify 0 into 0
3.175 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))))) into 0
3.176 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
3.177 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
3.177 * [backup-simplify]: Simplify (- 0) into 0
3.178 * [backup-simplify]: Simplify (+ 0 0) into 0
3.178 * [backup-simplify]: Simplify 0 into 0
3.180 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0))))))) into 0
3.181 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
3.182 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
3.183 * [backup-simplify]: Simplify (- 0) into 0
3.183 * [backup-simplify]: Simplify (+ 0 0) into 0
3.183 * [backup-simplify]: Simplify 0 into 0
3.185 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))))))) into 0
3.187 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
3.188 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
3.189 * [backup-simplify]: Simplify (- 0) into 0
3.189 * [backup-simplify]: Simplify (+ 0 0) into 0
3.189 * [backup-simplify]: Simplify 0 into 0
3.191 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0))))))))) into 0
3.193 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
3.194 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
3.195 * [backup-simplify]: Simplify (- 0) into 0
3.195 * [backup-simplify]: Simplify (+ 0 0) into 0
3.195 * [backup-simplify]: Simplify 0 into 0
3.196 * [backup-simplify]: Simplify (+ (* (- 0.5) (pow x 2)) (* 1.0 x)) into (- (* 1.0 x) (* 0.5 (pow x 2)))
3.196 * [backup-simplify]: Simplify (+ (* (/ 1 x) 1.0) (* (* (/ 1 x) 0.5) (- (/ 1 x)))) into (- (* 1.0 (/ 1 x)) (* 0.5 (/ 1 (pow x 2))))
3.196 * [approximate]: Taking taylor expansion of (- (* 1.0 (/ 1 x)) (* 0.5 (/ 1 (pow x 2)))) in (x) around 0
3.196 * [taylor]: Taking taylor expansion of (- (* 1.0 (/ 1 x)) (* 0.5 (/ 1 (pow x 2)))) in x
3.196 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 x)) in x
3.197 * [taylor]: Taking taylor expansion of 1.0 in x
3.197 * [backup-simplify]: Simplify 1.0 into 1.0
3.197 * [taylor]: Taking taylor expansion of (/ 1 x) in x
3.197 * [taylor]: Taking taylor expansion of x in x
3.197 * [backup-simplify]: Simplify 0 into 0
3.197 * [backup-simplify]: Simplify 1 into 1
3.197 * [backup-simplify]: Simplify (/ 1 1) into 1
3.197 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 (pow x 2))) in x
3.197 * [taylor]: Taking taylor expansion of 0.5 in x
3.197 * [backup-simplify]: Simplify 0.5 into 0.5
3.197 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
3.197 * [taylor]: Taking taylor expansion of (pow x 2) in x
3.197 * [taylor]: Taking taylor expansion of x in x
3.197 * [backup-simplify]: Simplify 0 into 0
3.197 * [backup-simplify]: Simplify 1 into 1
3.198 * [backup-simplify]: Simplify (* 1 1) into 1
3.202 * [backup-simplify]: Simplify (/ 1 1) into 1
3.202 * [taylor]: Taking taylor expansion of (- (* 1.0 (/ 1 x)) (* 0.5 (/ 1 (pow x 2)))) in x
3.202 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 x)) in x
3.202 * [taylor]: Taking taylor expansion of 1.0 in x
3.202 * [backup-simplify]: Simplify 1.0 into 1.0
3.203 * [taylor]: Taking taylor expansion of (/ 1 x) in x
3.203 * [taylor]: Taking taylor expansion of x in x
3.203 * [backup-simplify]: Simplify 0 into 0
3.203 * [backup-simplify]: Simplify 1 into 1
3.203 * [backup-simplify]: Simplify (/ 1 1) into 1
3.203 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 (pow x 2))) in x
3.203 * [taylor]: Taking taylor expansion of 0.5 in x
3.203 * [backup-simplify]: Simplify 0.5 into 0.5
3.203 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
3.203 * [taylor]: Taking taylor expansion of (pow x 2) in x
3.203 * [taylor]: Taking taylor expansion of x in x
3.203 * [backup-simplify]: Simplify 0 into 0
3.203 * [backup-simplify]: Simplify 1 into 1
3.204 * [backup-simplify]: Simplify (* 1 1) into 1
3.204 * [backup-simplify]: Simplify (/ 1 1) into 1
3.205 * [backup-simplify]: Simplify (* 0.5 1) into 0.5
3.205 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
3.206 * [backup-simplify]: Simplify (+ 0 (- 0.5)) into (- 0.5)
3.206 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
3.206 * [backup-simplify]: Simplify (* 1.0 1) into 1.0
3.207 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
3.207 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
3.208 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 1)) into 0
3.208 * [backup-simplify]: Simplify (- 0) into 0
3.208 * [backup-simplify]: Simplify (+ 1.0 0) into 1.0
3.208 * [backup-simplify]: Simplify 1.0 into 1.0
3.209 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
3.209 * [backup-simplify]: Simplify (+ (* 1.0 0) (* 0 1)) into 0
3.210 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
3.210 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.211 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 1))) into 0
3.211 * [backup-simplify]: Simplify (- 0) into 0
3.211 * [backup-simplify]: Simplify (+ 0 0) into 0
3.211 * [backup-simplify]: Simplify 0 into 0
3.212 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.212 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (* 0 1))) into 0
3.213 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
3.214 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.214 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
3.214 * [backup-simplify]: Simplify (- 0) into 0
3.215 * [backup-simplify]: Simplify (+ 0 0) into 0
3.215 * [backup-simplify]: Simplify 0 into 0
3.215 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.216 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
3.217 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
3.217 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.218 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
3.218 * [backup-simplify]: Simplify (- 0) into 0
3.218 * [backup-simplify]: Simplify (+ 0 0) into 0
3.218 * [backup-simplify]: Simplify 0 into 0
3.219 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.220 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
3.220 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
3.221 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.222 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
3.222 * [backup-simplify]: Simplify (- 0) into 0
3.222 * [backup-simplify]: Simplify (+ 0 0) into 0
3.222 * [backup-simplify]: Simplify 0 into 0
3.223 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.224 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
3.224 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
3.225 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.226 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
3.226 * [backup-simplify]: Simplify (- 0) into 0
3.226 * [backup-simplify]: Simplify (+ 0 0) into 0
3.226 * [backup-simplify]: Simplify 0 into 0
3.227 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.228 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
3.229 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))))) into 0
3.229 * [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
3.231 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))))) into 0
3.231 * [backup-simplify]: Simplify (- 0) into 0
3.231 * [backup-simplify]: Simplify (+ 0 0) into 0
3.231 * [backup-simplify]: Simplify 0 into 0
3.232 * [backup-simplify]: Simplify (+ (* 1.0 (/ 1 (/ 1 x))) (* (- 0.5) (pow (/ 1 (/ 1 x)) 2))) into (- (* 1.0 x) (* 0.5 (pow x 2)))
3.232 * [backup-simplify]: Simplify (+ (* (/ 1 (- x)) 1.0) (* (* (/ 1 (- x)) 0.5) (- (/ 1 (- x))))) into (- (+ (* 0.5 (/ 1 (pow x 2))) (* 1.0 (/ 1 x))))
3.232 * [approximate]: Taking taylor expansion of (- (+ (* 0.5 (/ 1 (pow x 2))) (* 1.0 (/ 1 x)))) in (x) around 0
3.232 * [taylor]: Taking taylor expansion of (- (+ (* 0.5 (/ 1 (pow x 2))) (* 1.0 (/ 1 x)))) in x
3.232 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 (pow x 2))) (* 1.0 (/ 1 x))) in x
3.232 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 (pow x 2))) in x
3.232 * [taylor]: Taking taylor expansion of 0.5 in x
3.232 * [backup-simplify]: Simplify 0.5 into 0.5
3.232 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
3.232 * [taylor]: Taking taylor expansion of (pow x 2) in x
3.232 * [taylor]: Taking taylor expansion of x in x
3.232 * [backup-simplify]: Simplify 0 into 0
3.232 * [backup-simplify]: Simplify 1 into 1
3.232 * [backup-simplify]: Simplify (* 1 1) into 1
3.232 * [backup-simplify]: Simplify (/ 1 1) into 1
3.232 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 x)) in x
3.233 * [taylor]: Taking taylor expansion of 1.0 in x
3.233 * [backup-simplify]: Simplify 1.0 into 1.0
3.233 * [taylor]: Taking taylor expansion of (/ 1 x) in x
3.233 * [taylor]: Taking taylor expansion of x in x
3.233 * [backup-simplify]: Simplify 0 into 0
3.233 * [backup-simplify]: Simplify 1 into 1
3.233 * [backup-simplify]: Simplify (/ 1 1) into 1
3.233 * [taylor]: Taking taylor expansion of (- (+ (* 0.5 (/ 1 (pow x 2))) (* 1.0 (/ 1 x)))) in x
3.233 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 (pow x 2))) (* 1.0 (/ 1 x))) in x
3.233 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 (pow x 2))) in x
3.233 * [taylor]: Taking taylor expansion of 0.5 in x
3.233 * [backup-simplify]: Simplify 0.5 into 0.5
3.233 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
3.233 * [taylor]: Taking taylor expansion of (pow x 2) in x
3.233 * [taylor]: Taking taylor expansion of x in x
3.233 * [backup-simplify]: Simplify 0 into 0
3.233 * [backup-simplify]: Simplify 1 into 1
3.233 * [backup-simplify]: Simplify (* 1 1) into 1
3.233 * [backup-simplify]: Simplify (/ 1 1) into 1
3.233 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 x)) in x
3.234 * [taylor]: Taking taylor expansion of 1.0 in x
3.234 * [backup-simplify]: Simplify 1.0 into 1.0
3.234 * [taylor]: Taking taylor expansion of (/ 1 x) in x
3.234 * [taylor]: Taking taylor expansion of x in x
3.234 * [backup-simplify]: Simplify 0 into 0
3.234 * [backup-simplify]: Simplify 1 into 1
3.234 * [backup-simplify]: Simplify (/ 1 1) into 1
3.234 * [backup-simplify]: Simplify (* 0.5 1) into 0.5
3.234 * [backup-simplify]: Simplify (+ 0.5 0) into 0.5
3.235 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
3.235 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
3.235 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
3.236 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
3.236 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 1)) into 0
3.236 * [backup-simplify]: Simplify (* 1.0 1) into 1.0
3.237 * [backup-simplify]: Simplify (+ 0 1.0) into 1.0
3.237 * [backup-simplify]: Simplify (- 1.0) into (- 1.0)
3.237 * [backup-simplify]: Simplify (- 1.0) into (- 1.0)
3.238 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
3.239 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.240 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 1))) into 0
3.241 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
3.242 * [backup-simplify]: Simplify (+ (* 1.0 0) (* 0 1)) into 0
3.242 * [backup-simplify]: Simplify (+ 0 0) into 0
3.242 * [backup-simplify]: Simplify (- 0) into 0
3.242 * [backup-simplify]: Simplify 0 into 0
3.243 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
3.244 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.246 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
3.247 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.248 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (* 0 1))) into 0
3.248 * [backup-simplify]: Simplify (+ 0 0) into 0
3.248 * [backup-simplify]: Simplify (- 0) into 0
3.248 * [backup-simplify]: Simplify 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 (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.252 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
3.253 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.254 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
3.254 * [backup-simplify]: Simplify (+ 0 0) into 0
3.255 * [backup-simplify]: Simplify (- 0) into 0
3.255 * [backup-simplify]: Simplify 0 into 0
3.256 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
3.257 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.259 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
3.260 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.261 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
3.262 * [backup-simplify]: Simplify (+ 0 0) into 0
3.262 * [backup-simplify]: Simplify (- 0) into 0
3.262 * [backup-simplify]: Simplify 0 into 0
3.264 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
3.265 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.266 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
3.267 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.269 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
3.269 * [backup-simplify]: Simplify (+ 0 0) into 0
3.270 * [backup-simplify]: Simplify (- 0) into 0
3.270 * [backup-simplify]: Simplify 0 into 0
3.271 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))))) into 0
3.272 * [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
3.274 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))))) into 0
3.275 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.277 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
3.277 * [backup-simplify]: Simplify (+ 0 0) into 0
3.277 * [backup-simplify]: Simplify (- 0) into 0
3.277 * [backup-simplify]: Simplify 0 into 0
3.279 * [backup-simplify]: Simplify (+ (* (- 1.0) (/ 1 (/ 1 (- x)))) (* (- 0.5) (pow (/ 1 (/ 1 (- x))) 2))) into (- (* 1.0 x) (* 0.5 (pow x 2)))
3.279 * * * [progress]: simplifying candidates
3.279 * [simplify]: Simplifying:
  (* (exp (* x 1.0)) (exp (* (* x 0.5) (- x))))
  (log (+ (* x 1.0) (* (* x 0.5) (- x))))
  (exp (+ (* x 1.0) (* (* x 0.5) (- x))))
  (* (cbrt (+ (* x 1.0) (* (* x 0.5) (- x)))) (cbrt (+ (* x 1.0) (* (* x 0.5) (- x)))))
  (cbrt (+ (* x 1.0) (* (* x 0.5) (- x))))
  (* (* (+ (* x 1.0) (* (* x 0.5) (- x))) (+ (* x 1.0) (* (* x 0.5) (- x)))) (+ (* x 1.0) (* (* x 0.5) (- x))))
  (sqrt (+ (* x 1.0) (* (* x 0.5) (- x))))
  (sqrt (+ (* x 1.0) (* (* x 0.5) (- x))))
  (+ (pow (* x 1.0) 3) (pow (* (* x 0.5) (- x)) 3))
  (+ (* (* x 1.0) (* x 1.0)) (- (* (* (* x 0.5) (- x)) (* (* x 0.5) (- x))) (* (* x 1.0) (* (* x 0.5) (- x)))))
  (- (* (* x 1.0) (* x 1.0)) (* (* (* x 0.5) (- x)) (* (* x 0.5) (- x))))
  (- (* x 1.0) (* (* x 0.5) (- x)))
  (- (* 1.0 x) (* 0.5 (pow x 2)))
  (- (* 1.0 x) (* 0.5 (pow x 2)))
  (- (* 1.0 x) (* 0.5 (pow x 2)))
3.280 * * [simplify]: iteration 0: 34 enodes
3.293 * * [simplify]: iteration 1: 114 enodes
3.344 * * [simplify]: iteration 2: 580 enodes
3.690 * * [simplify]: iteration complete: 5000 enodes
3.691 * * [simplify]: Extracting #0: cost 11 inf + 0
3.691 * * [simplify]: Extracting #1: cost 111 inf + 0
3.694 * * [simplify]: Extracting #2: cost 1218 inf + 11
3.699 * * [simplify]: Extracting #3: cost 1694 inf + 1451
3.706 * * [simplify]: Extracting #4: cost 474 inf + 12285
3.712 * * [simplify]: Extracting #5: cost 22 inf + 17591
3.723 * * [simplify]: Extracting #6: cost 0 inf + 17729
3.729 * [simplify]: Simplified to:
  (exp (* x (- 1.0 (* 0.5 x))))
  (log (* x (- 1.0 (* 0.5 x))))
  (exp (* x (- 1.0 (* 0.5 x))))
  (* (cbrt (* x (- 1.0 (* 0.5 x)))) (cbrt (* x (- 1.0 (* 0.5 x)))))
  (cbrt (* x (- 1.0 (* 0.5 x))))
  (pow (* x (- 1.0 (* 0.5 x))) 3)
  (sqrt (* x (- 1.0 (* 0.5 x))))
  (sqrt (* x (- 1.0 (* 0.5 x))))
  (+ (pow (* (* 0.5 x) (- x)) 3) (pow (* x 1.0) 3))
  (+ (* (* (* 0.5 x) x) (* x (+ 1.0 (* 0.5 x)))) (* (* 1.0 1.0) (* x x)))
  (* (* x (- 1.0 (* 0.5 x))) (* x (+ 1.0 (* 0.5 x))))
  (* x (+ 1.0 (* 0.5 x)))
  (* x (- 1.0 (* 0.5 x)))
  (* x (- 1.0 (* 0.5 x)))
  (* x (- 1.0 (* 0.5 x)))
3.729 * * * [progress]: adding candidates to table
3.778 * [progress]: [Phase 3 of 3] Extracting.
3.778 * * [regime]: Finding splitpoints for: (#<alt (λ (x) (* x (- 1.0 (* x 0.5))))> #<alt (λ (x) (+ (* x 1.0) (* (* x 0.5) (- x))))>)
3.778 * * * [regime-changes]: Trying 2 branch expressions: ((* x (- 1.0 (* x 0.5))) x)
3.778 * * * * [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 0.5) (- x))))>)
3.802 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x) (* x (- 1.0 (* x 0.5))))> #<alt (λ (x) (+ (* x 1.0) (* (* x 0.5) (- x))))>)
3.832 * * * [regime]: Found split indices: #<option (#s(si 0 255))>
3.832 * [simplify]: Simplifying:
  (* x (- 1.0 (* x 0.5)))
3.833 * * [simplify]: iteration 0: 6 enodes
3.833 * * [simplify]: iteration 1: 8 enodes
3.834 * * [simplify]: iteration complete: 8 enodes
3.834 * * [simplify]: Extracting #0: cost 1 inf + 0
3.834 * * [simplify]: Extracting #1: cost 3 inf + 0
3.834 * * [simplify]: Extracting #2: cost 4 inf + 1
3.834 * * [simplify]: Extracting #3: cost 4 inf + 2
3.834 * * [simplify]: Extracting #4: cost 0 inf + 18
3.834 * [simplify]: Simplified to:
  (* (- 1.0 (* x 0.5)) x)
4.736 * [regime-testing]: Baseline error score: 0.009876234529316165
4.738 * [regime-testing]: Oracle error score: 0.0007500937617202151
4.742 * [regime-testing]: End program error score: 0.009876234529316165