22.080 * [progress]: [Phase 1 of 3] Setting up.
0.002 * * * [progress]: [1/2] Preparing points
0.023 * * * [progress]: [2/2] Setting up program.
0.027 * [progress]: [Phase 2 of 3] Improving.
0.028 * [simplify]: Simplifying:
  (* x (- 1.0 (* x 0.5)))
0.028 * * [simplify]: iteration 0: 6 enodes
0.029 * * [simplify]: iteration 1: 10 enodes
0.033 * * [simplify]: iteration 2: 23 enodes
0.041 * * [simplify]: iteration 3: 44 enodes
0.053 * * [simplify]: iteration 4: 58 enodes
0.067 * * [simplify]: iteration complete: 58 enodes
0.067 * * [simplify]: Extracting #0: cost 1 inf + 0
0.067 * * [simplify]: Extracting #1: cost 14 inf + 0
0.067 * * [simplify]: Extracting #2: cost 10 inf + 44
0.067 * * [simplify]: Extracting #3: cost 3 inf + 528
0.068 * * [simplify]: Extracting #4: cost 0 inf + 783
0.068 * [simplify]: Simplified to:
  (* (- 1.0 (* x 0.5)) x)
0.069 * * [progress]: iteration 1 / 4
0.069 * * * [progress]: picking best candidate
0.074 * * * * [pick]: Picked  #<alt (λ (x) (* x (- 1.0 (* x 0.5))))>
0.074 * * * [progress]: localizing error
0.085 * * * [progress]: generating rewritten candidates
0.086 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.117 * * * [progress]: generating series expansions
0.118 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.118 * [backup-simplify]: Simplify (* x (- 1.0 (* x 0.5))) into (* x (- 1.0 (* 0.5 x)))
0.118 * [approximate]: Taking taylor expansion of (* x (- 1.0 (* 0.5 x))) in (x) around 0
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
0.118 * [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
0.119 * [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
0.121 * [backup-simplify]: Simplify (+ (* 0.5 1) (* 0 0)) into 0.5
0.121 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
0.122 * [backup-simplify]: Simplify (+ 0 (- 0.5)) into (- 0.5)
0.123 * [backup-simplify]: Simplify (+ (* 0 (- 0.5)) (* 1 1.0)) into 1.0
0.123 * [backup-simplify]: Simplify 1.0 into 1.0
0.123 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 1) (* 0 0))) into 0
0.124 * [backup-simplify]: Simplify (- 0) into 0
0.124 * [backup-simplify]: Simplify (+ 0 0) into 0
0.126 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 (- 0.5)) (* 0 1.0))) into (- 0.5)
0.126 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
0.127 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))) into 0
0.127 * [backup-simplify]: Simplify (- 0) into 0
0.127 * [backup-simplify]: Simplify (+ 0 0) into 0
0.128 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 (- 0.5)) (* 0 1.0)))) into 0
0.128 * [backup-simplify]: Simplify 0 into 0
0.129 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0))))) into 0
0.129 * [backup-simplify]: Simplify (- 0) into 0
0.129 * [backup-simplify]: Simplify (+ 0 0) into 0
0.130 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 (- 0.5)) (* 0 1.0))))) into 0
0.130 * [backup-simplify]: Simplify 0 into 0
0.132 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))))) into 0
0.132 * [backup-simplify]: Simplify (- 0) into 0
0.132 * [backup-simplify]: Simplify (+ 0 0) into 0
0.134 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 (- 0.5)) (* 0 1.0)))))) into 0
0.134 * [backup-simplify]: Simplify 0 into 0
0.135 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0))))))) into 0
0.136 * [backup-simplify]: Simplify (- 0) into 0
0.136 * [backup-simplify]: Simplify (+ 0 0) into 0
0.138 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 (- 0.5)) (* 0 1.0))))))) into 0
0.138 * [backup-simplify]: Simplify 0 into 0
0.140 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))))))) into 0
0.140 * [backup-simplify]: Simplify (- 0) into 0
0.140 * [backup-simplify]: Simplify (+ 0 0) into 0
0.142 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 (- 0.5)) (* 0 1.0)))))))) into 0
0.142 * [backup-simplify]: Simplify 0 into 0
0.144 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0))))))))) into 0
0.145 * [backup-simplify]: Simplify (- 0) into 0
0.145 * [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) (+ (* 0 (- 0.5)) (* 0 1.0))))))))) into 0
0.147 * [backup-simplify]: Simplify 0 into 0
0.148 * [backup-simplify]: Simplify (+ (* (- 0.5) (pow x 2)) (* 1.0 x)) into (- (* 1.0 x) (* 0.5 (pow x 2)))
0.148 * [backup-simplify]: Simplify (* (/ 1 x) (- 1.0 (* (/ 1 x) 0.5))) into (/ (- 1.0 (* 0.5 (/ 1 x))) x)
0.148 * [approximate]: Taking taylor expansion of (/ (- 1.0 (* 0.5 (/ 1 x))) x) in (x) around 0
0.148 * [taylor]: Taking taylor expansion of (/ (- 1.0 (* 0.5 (/ 1 x))) x) in x
0.148 * [taylor]: Taking taylor expansion of (- 1.0 (* 0.5 (/ 1 x))) in x
0.148 * [taylor]: Taking taylor expansion of 1.0 in x
0.148 * [backup-simplify]: Simplify 1.0 into 1.0
0.148 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
0.148 * [taylor]: Taking taylor expansion of 0.5 in x
0.148 * [backup-simplify]: Simplify 0.5 into 0.5
0.148 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.148 * [taylor]: Taking taylor expansion of x in x
0.148 * [backup-simplify]: Simplify 0 into 0
0.148 * [backup-simplify]: Simplify 1 into 1
0.149 * [backup-simplify]: Simplify (/ 1 1) into 1
0.149 * [taylor]: Taking taylor expansion of x in x
0.149 * [backup-simplify]: Simplify 0 into 0
0.149 * [backup-simplify]: Simplify 1 into 1
0.149 * [backup-simplify]: Simplify (* 0.5 1) into 0.5
0.149 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
0.150 * [backup-simplify]: Simplify (+ 0 (- 0.5)) into (- 0.5)
0.151 * [backup-simplify]: Simplify (/ (- 0.5) 1) into -0.5
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 * [backup-simplify]: Simplify -0.5 into -0.5
0.154 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.154 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 1)) into 0
0.154 * [backup-simplify]: Simplify (- 0) into 0
0.155 * [backup-simplify]: Simplify (+ 1.0 0) into 1.0
0.156 * [backup-simplify]: Simplify (- (/ 1.0 1) (+ (* -0.5 (/ 0 1)))) into 1.0
0.156 * [backup-simplify]: Simplify 1.0 into 1.0
0.156 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.157 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 1))) into 0
0.157 * [backup-simplify]: Simplify (- 0) into 0
0.157 * [backup-simplify]: Simplify (+ 0 0) into 0
0.158 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* -0.5 (/ 0 1)) (* 1.0 (/ 0 1)))) into 0
0.158 * [backup-simplify]: Simplify 0 into 0
0.159 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.159 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
0.159 * [backup-simplify]: Simplify (- 0) into 0
0.160 * [backup-simplify]: Simplify (+ 0 0) into 0
0.160 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* -0.5 (/ 0 1)) (* 1.0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.160 * [backup-simplify]: Simplify 0 into 0
0.161 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.162 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
0.162 * [backup-simplify]: Simplify (- 0) into 0
0.162 * [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)) (* 0 (/ 0 1)))) into 0
0.163 * [backup-simplify]: Simplify 0 into 0
0.163 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.164 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 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)) (* 0 (/ 0 1)))) into 0
0.166 * [backup-simplify]: Simplify 0 into 0
0.166 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 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 0) (* 0 1))))))) into 0
0.167 * [backup-simplify]: Simplify (- 0) into 0
0.168 * [backup-simplify]: Simplify (+ 0 0) into 0
0.168 * [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
0.168 * [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)) (* 0 (/ 0 1)))) into 0
0.170 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 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)) (* 0 (/ 0 1)))) into 0
0.171 * [backup-simplify]: Simplify 0 into 0
0.171 * [backup-simplify]: Simplify (+ (* 1.0 (/ 1 (/ 1 x))) (* -0.5 (pow (/ 1 (/ 1 x)) 2))) into (- (* 1.0 x) (* 0.5 (pow x 2)))
0.171 * [backup-simplify]: Simplify (* (/ 1 (- x)) (- 1.0 (* (/ 1 (- x)) 0.5))) into (* -1 (/ (+ (* 0.5 (/ 1 x)) 1.0) x))
0.171 * [approximate]: Taking taylor expansion of (* -1 (/ (+ (* 0.5 (/ 1 x)) 1.0) x)) in (x) around 0
0.172 * [taylor]: Taking taylor expansion of (* -1 (/ (+ (* 0.5 (/ 1 x)) 1.0) x)) in x
0.172 * [taylor]: Taking taylor expansion of -1 in x
0.172 * [backup-simplify]: Simplify -1 into -1
0.172 * [taylor]: Taking taylor expansion of (/ (+ (* 0.5 (/ 1 x)) 1.0) x) in x
0.172 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 x)) 1.0) in x
0.172 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
0.172 * [taylor]: Taking taylor expansion of 0.5 in x
0.172 * [backup-simplify]: Simplify 0.5 into 0.5
0.172 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.172 * [taylor]: Taking taylor expansion of x in x
0.172 * [backup-simplify]: Simplify 0 into 0
0.172 * [backup-simplify]: Simplify 1 into 1
0.172 * [backup-simplify]: Simplify (/ 1 1) into 1
0.172 * [taylor]: Taking taylor expansion of 1.0 in x
0.172 * [backup-simplify]: Simplify 1.0 into 1.0
0.172 * [taylor]: Taking taylor expansion of x in x
0.172 * [backup-simplify]: Simplify 0 into 0
0.172 * [backup-simplify]: Simplify 1 into 1
0.172 * [backup-simplify]: Simplify (* 0.5 1) into 0.5
0.173 * [backup-simplify]: Simplify (+ 0.5 0) into 0.5
0.173 * [backup-simplify]: Simplify (/ 0.5 1) into 0.5
0.173 * [taylor]: Taking taylor expansion of (* -1 (/ (+ (* 0.5 (/ 1 x)) 1.0) x)) in x
0.173 * [taylor]: Taking taylor expansion of -1 in x
0.173 * [backup-simplify]: Simplify -1 into -1
0.173 * [taylor]: Taking taylor expansion of (/ (+ (* 0.5 (/ 1 x)) 1.0) x) in x
0.173 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 x)) 1.0) in x
0.173 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
0.173 * [taylor]: Taking taylor expansion of 0.5 in x
0.173 * [backup-simplify]: Simplify 0.5 into 0.5
0.173 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.173 * [taylor]: Taking taylor expansion of x in x
0.173 * [backup-simplify]: Simplify 0 into 0
0.173 * [backup-simplify]: Simplify 1 into 1
0.173 * [backup-simplify]: Simplify (/ 1 1) into 1
0.173 * [taylor]: Taking taylor expansion of 1.0 in x
0.173 * [backup-simplify]: Simplify 1.0 into 1.0
0.173 * [taylor]: Taking taylor expansion of x in x
0.173 * [backup-simplify]: Simplify 0 into 0
0.173 * [backup-simplify]: Simplify 1 into 1
0.174 * [backup-simplify]: Simplify (* 0.5 1) into 0.5
0.174 * [backup-simplify]: Simplify (+ 0.5 0) into 0.5
0.174 * [backup-simplify]: Simplify (/ 0.5 1) into 0.5
0.175 * [backup-simplify]: Simplify (* -1 0.5) into -0.5
0.175 * [backup-simplify]: Simplify -0.5 into -0.5
0.175 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.175 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 1)) into 0
0.176 * [backup-simplify]: Simplify (+ 0 1.0) into 1.0
0.177 * [backup-simplify]: Simplify (- (/ 1.0 1) (+ (* 0.5 (/ 0 1)))) into 1.0
0.178 * [backup-simplify]: Simplify (+ (* -1 1.0) (* 0 0.5)) into (- 1.0)
0.178 * [backup-simplify]: Simplify (- 1.0) into (- 1.0)
0.179 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.179 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 1))) into 0
0.179 * [backup-simplify]: Simplify (+ 0 0) into 0
0.180 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 0.5 (/ 0 1)) (* 1.0 (/ 0 1)))) into 0
0.181 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 1.0) (* 0 0.5))) into 0
0.181 * [backup-simplify]: Simplify 0 into 0
0.181 * [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
0.182 * [backup-simplify]: Simplify (+ 0 0) into 0
0.183 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 0.5 (/ 0 1)) (* 1.0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.184 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 1.0) (* 0 0.5)))) 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 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
0.187 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1.0) (* 0 0.5))))) into 0
0.187 * [backup-simplify]: Simplify 0 into 0
0.188 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.188 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
0.189 * [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
0.190 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1.0) (* 0 0.5)))))) 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)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.192 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
0.192 * [backup-simplify]: Simplify (+ 0 0) into 0
0.193 * [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
0.194 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1.0) (* 0 0.5))))))) into 0
0.194 * [backup-simplify]: Simplify 0 into 0
0.194 * [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
0.195 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 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)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.197 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1.0) (* 0 0.5)))))))) into 0
0.197 * [backup-simplify]: Simplify 0 into 0
0.198 * [backup-simplify]: Simplify (+ (* (- 1.0) (/ 1 (/ 1 (- x)))) (* -0.5 (pow (/ 1 (/ 1 (- x))) 2))) into (- (* 1.0 x) (* 0.5 (pow x 2)))
0.198 * * * [progress]: simplifying candidates
0.198 * [simplify]: Simplifying:
  (expm1 (* x (- 1.0 (* x 0.5))))
  (log1p (* x (- 1.0 (* x 0.5))))
  (* 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 (fma (* (cbrt 1.0) (cbrt 1.0)) (cbrt 1.0) (- (* 0.5 x))))
  (* x (fma (- 0.5) x (* 0.5 x)))
  (* x (fma (sqrt 1.0) (sqrt 1.0) (- (* 0.5 x))))
  (* x (fma (- 0.5) x (* 0.5 x)))
  (* x (fma 1 1.0 (- (* 0.5 x))))
  (* x (fma (- 0.5) x (* 0.5 x)))
  (* x 1.0)
  (* x (- (* x 0.5)))
  (* x 1.0)
  (* x (- (* x 0.5)))
  (* (fma (* (cbrt 1.0) (cbrt 1.0)) (cbrt 1.0) (- (* 0.5 x))) x)
  (* (fma (- 0.5) x (* 0.5 x)) x)
  (* (fma (sqrt 1.0) (sqrt 1.0) (- (* 0.5 x))) x)
  (* (fma (- 0.5) x (* 0.5 x)) x)
  (* (fma 1 1.0 (- (* 0.5 x))) x)
  (* (fma (- 0.5) x (* 0.5 x)) x)
  (* 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)))
0.199 * * [simplify]: iteration 0: 71 enodes
0.227 * * [simplify]: iteration 1: 165 enodes
0.299 * * [simplify]: iteration 2: 496 enodes
0.661 * * [simplify]: iteration 3: 2247 enodes
2.765 * * [simplify]: iteration complete: 5001 enodes
2.765 * * [simplify]: Extracting #0: cost 21 inf + 0
2.767 * * [simplify]: Extracting #1: cost 339 inf + 1
2.771 * * [simplify]: Extracting #2: cost 940 inf + 5651
2.787 * * [simplify]: Extracting #3: cost 723 inf + 64941
2.848 * * [simplify]: Extracting #4: cost 210 inf + 182728
2.918 * * [simplify]: Extracting #5: cost 46 inf + 215324
3.024 * * [simplify]: Extracting #6: cost 14 inf + 221008
3.127 * * [simplify]: Extracting #7: cost 0 inf + 224921
3.200 * [simplify]: Simplified to:
  (expm1 (* (- 1.0 (* x 0.5)) x))
  (log1p (* (- 1.0 (* x 0.5)) x))
  (* (- 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) (* (- 1.0 (* x 0.5)) x)) (* (- 1.0 (* x 0.5)) x))
  (* (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 (- 1.0 (* x 0.5))) (sqrt x))
  (* (sqrt (- 1.0 (* x 0.5))) (sqrt x))
  (* (- 1.0 (* x 0.5)) x)
  (* x 0)
  (* (- 1.0 (* x 0.5)) x)
  (* x 0)
  (* (- 1.0 (* x 0.5)) x)
  (* x 0)
  (* x 1.0)
  (* (- x) (* x 0.5))
  (* x 1.0)
  (* (- x) (* x 0.5))
  (* (- 1.0 (* x 0.5)) x)
  (* x 0)
  (* (- 1.0 (* x 0.5)) x)
  (* x 0)
  (* (- 1.0 (* x 0.5)) x)
  (* x 0)
  (* 1.0 x)
  (* (- x) (* x 0.5))
  (* 1.0 x)
  (* (- x) (* x 0.5))
  (* (cbrt (- 1.0 (* x 0.5))) (* x (cbrt (- 1.0 (* x 0.5)))))
  (* x (sqrt (- 1.0 (* x 0.5))))
  x
  (* (- 1.0 (* x 0.5)) (cbrt x))
  (* (- 1.0 (* x 0.5)) (sqrt x))
  (* (- 1.0 (* x 0.5)) x)
  (* (- (* (* 1.0 1.0) 1.0) (* (* x 0.5) (* (* x 0.5) (* x 0.5)))) x)
  (* x (- (* 1.0 1.0) (* (* x 0.5) (* x 0.5))))
  (* (- 1.0 (* x 0.5)) x)
  (* (- 1.0 (* x 0.5)) x)
  (* (- 1.0 (* x 0.5)) x)
3.201 * * * [progress]: adding candidates to table
3.275 * * [progress]: iteration 2 / 4
3.276 * * * [progress]: picking best candidate
3.278 * * * * [pick]: Picked  #<alt (λ (x) (+ (* 1.0 x) (* (- (* x 0.5)) x)))>
3.278 * * * [progress]: localizing error
3.291 * * * [progress]: generating rewritten candidates
3.291 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
3.297 * * * [progress]: generating series expansions
3.297 * * * * [progress]: [ 1 / 1 ] generating series at (2)
3.298 * [backup-simplify]: Simplify (+ (* 1.0 x) (* (- (* x 0.5)) x)) into (- (* 1.0 x) (* 0.5 (pow x 2)))
3.298 * [approximate]: Taking taylor expansion of (- (* 1.0 x) (* 0.5 (pow x 2))) in (x) around 0
3.298 * [taylor]: Taking taylor expansion of (- (* 1.0 x) (* 0.5 (pow x 2))) in x
3.298 * [taylor]: Taking taylor expansion of (* 1.0 x) in x
3.298 * [taylor]: Taking taylor expansion of 1.0 in x
3.298 * [backup-simplify]: Simplify 1.0 into 1.0
3.298 * [taylor]: Taking taylor expansion of x in x
3.298 * [backup-simplify]: Simplify 0 into 0
3.298 * [backup-simplify]: Simplify 1 into 1
3.298 * [taylor]: Taking taylor expansion of (* 0.5 (pow x 2)) in x
3.298 * [taylor]: Taking taylor expansion of 0.5 in x
3.298 * [backup-simplify]: Simplify 0.5 into 0.5
3.298 * [taylor]: Taking taylor expansion of (pow x 2) in x
3.298 * [taylor]: Taking taylor expansion of x in x
3.298 * [backup-simplify]: Simplify 0 into 0
3.298 * [backup-simplify]: Simplify 1 into 1
3.298 * [taylor]: Taking taylor expansion of (- (* 1.0 x) (* 0.5 (pow x 2))) in x
3.298 * [taylor]: Taking taylor expansion of (* 1.0 x) in x
3.298 * [taylor]: Taking taylor expansion of 1.0 in x
3.298 * [backup-simplify]: Simplify 1.0 into 1.0
3.298 * [taylor]: Taking taylor expansion of x in x
3.298 * [backup-simplify]: Simplify 0 into 0
3.298 * [backup-simplify]: Simplify 1 into 1
3.298 * [taylor]: Taking taylor expansion of (* 0.5 (pow x 2)) in x
3.298 * [taylor]: Taking taylor expansion of 0.5 in x
3.298 * [backup-simplify]: Simplify 0.5 into 0.5
3.298 * [taylor]: Taking taylor expansion of (pow x 2) in x
3.298 * [taylor]: Taking taylor expansion of x in x
3.298 * [backup-simplify]: Simplify 0 into 0
3.298 * [backup-simplify]: Simplify 1 into 1
3.299 * [backup-simplify]: Simplify (* 1.0 0) into 0
3.299 * [backup-simplify]: Simplify (+ 0 0) into 0
3.299 * [backup-simplify]: Simplify 0 into 0
3.300 * [backup-simplify]: Simplify (+ (* 1.0 1) (* 0 0)) into 1.0
3.300 * [backup-simplify]: Simplify (+ 1.0 0) into 1.0
3.300 * [backup-simplify]: Simplify 1.0 into 1.0
3.301 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 1) (* 0 0))) into 0
3.301 * [backup-simplify]: Simplify (* 1 1) into 1
3.301 * [backup-simplify]: Simplify (* 0.5 1) into 0.5
3.302 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
3.302 * [backup-simplify]: Simplify (+ 0 (- 0.5)) into (- 0.5)
3.302 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
3.303 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))) into 0
3.303 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
3.304 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 1)) into 0
3.304 * [backup-simplify]: Simplify (- 0) into 0
3.304 * [backup-simplify]: Simplify (+ 0 0) into 0
3.304 * [backup-simplify]: Simplify 0 into 0
3.305 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0))))) into 0
3.306 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
3.306 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 1))) into 0
3.307 * [backup-simplify]: Simplify (- 0) into 0
3.307 * [backup-simplify]: Simplify (+ 0 0) into 0
3.307 * [backup-simplify]: Simplify 0 into 0
3.308 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))))) into 0
3.309 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
3.310 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
3.311 * [backup-simplify]: Simplify (- 0) into 0
3.311 * [backup-simplify]: Simplify (+ 0 0) into 0
3.311 * [backup-simplify]: Simplify 0 into 0
3.313 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0))))))) into 0
3.314 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
3.315 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
3.315 * [backup-simplify]: Simplify (- 0) into 0
3.316 * [backup-simplify]: Simplify (+ 0 0) into 0
3.316 * [backup-simplify]: Simplify 0 into 0
3.317 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 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 (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
3.320 * [backup-simplify]: Simplify (- 0) into 0
3.320 * [backup-simplify]: Simplify (+ 0 0) into 0
3.320 * [backup-simplify]: Simplify 0 into 0
3.321 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0))))))))) into 0
3.327 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
3.329 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
3.329 * [backup-simplify]: Simplify (- 0) into 0
3.330 * [backup-simplify]: Simplify (+ 0 0) into 0
3.330 * [backup-simplify]: Simplify 0 into 0
3.331 * [backup-simplify]: Simplify (+ (* (- 0.5) (pow x 2)) (* 1.0 x)) into (- (* 1.0 x) (* 0.5 (pow x 2)))
3.331 * [backup-simplify]: Simplify (+ (* 1.0 (/ 1 x)) (* (- (* (/ 1 x) 0.5)) (/ 1 x))) into (- (* 1.0 (/ 1 x)) (* 0.5 (/ 1 (pow x 2))))
3.331 * [approximate]: Taking taylor expansion of (- (* 1.0 (/ 1 x)) (* 0.5 (/ 1 (pow x 2)))) in (x) around 0
3.331 * [taylor]: Taking taylor expansion of (- (* 1.0 (/ 1 x)) (* 0.5 (/ 1 (pow x 2)))) in x
3.331 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 x)) in x
3.331 * [taylor]: Taking taylor expansion of 1.0 in x
3.331 * [backup-simplify]: Simplify 1.0 into 1.0
3.331 * [taylor]: Taking taylor expansion of (/ 1 x) in x
3.331 * [taylor]: Taking taylor expansion of x in x
3.331 * [backup-simplify]: Simplify 0 into 0
3.331 * [backup-simplify]: Simplify 1 into 1
3.332 * [backup-simplify]: Simplify (/ 1 1) into 1
3.332 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 (pow x 2))) in x
3.332 * [taylor]: Taking taylor expansion of 0.5 in x
3.332 * [backup-simplify]: Simplify 0.5 into 0.5
3.332 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
3.332 * [taylor]: Taking taylor expansion of (pow x 2) in x
3.332 * [taylor]: Taking taylor expansion of x in x
3.332 * [backup-simplify]: Simplify 0 into 0
3.332 * [backup-simplify]: Simplify 1 into 1
3.332 * [backup-simplify]: Simplify (* 1 1) into 1
3.333 * [backup-simplify]: Simplify (/ 1 1) into 1
3.333 * [taylor]: Taking taylor expansion of (- (* 1.0 (/ 1 x)) (* 0.5 (/ 1 (pow x 2)))) in x
3.333 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 x)) in x
3.333 * [taylor]: Taking taylor expansion of 1.0 in x
3.333 * [backup-simplify]: Simplify 1.0 into 1.0
3.333 * [taylor]: Taking taylor expansion of (/ 1 x) in x
3.333 * [taylor]: Taking taylor expansion of x in x
3.333 * [backup-simplify]: Simplify 0 into 0
3.333 * [backup-simplify]: Simplify 1 into 1
3.334 * [backup-simplify]: Simplify (/ 1 1) into 1
3.334 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 (pow x 2))) in x
3.334 * [taylor]: Taking taylor expansion of 0.5 in x
3.334 * [backup-simplify]: Simplify 0.5 into 0.5
3.334 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
3.334 * [taylor]: Taking taylor expansion of (pow x 2) in x
3.334 * [taylor]: Taking taylor expansion of x in x
3.334 * [backup-simplify]: Simplify 0 into 0
3.334 * [backup-simplify]: Simplify 1 into 1
3.334 * [backup-simplify]: Simplify (* 1 1) into 1
3.335 * [backup-simplify]: Simplify (/ 1 1) into 1
3.335 * [backup-simplify]: Simplify (* 0.5 1) into 0.5
3.335 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
3.336 * [backup-simplify]: Simplify (+ 0 (- 0.5)) into (- 0.5)
3.336 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
3.337 * [backup-simplify]: Simplify (* 1.0 1) into 1.0
3.337 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
3.337 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
3.338 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 1)) into 0
3.338 * [backup-simplify]: Simplify (- 0) into 0
3.338 * [backup-simplify]: Simplify (+ 1.0 0) into 1.0
3.338 * [backup-simplify]: Simplify 1.0 into 1.0
3.339 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
3.339 * [backup-simplify]: Simplify (+ (* 1.0 0) (* 0 1)) into 0
3.340 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
3.340 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.341 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 1))) into 0
3.341 * [backup-simplify]: Simplify (- 0) into 0
3.341 * [backup-simplify]: Simplify (+ 0 0) into 0
3.341 * [backup-simplify]: Simplify 0 into 0
3.342 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.342 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (* 0 1))) into 0
3.343 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
3.343 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.344 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
3.344 * [backup-simplify]: Simplify (- 0) into 0
3.345 * [backup-simplify]: Simplify (+ 0 0) into 0
3.345 * [backup-simplify]: Simplify 0 into 0
3.345 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.346 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
3.346 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
3.347 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.348 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
3.348 * [backup-simplify]: Simplify (- 0) into 0
3.348 * [backup-simplify]: Simplify (+ 0 0) into 0
3.348 * [backup-simplify]: Simplify 0 into 0
3.349 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.349 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
3.350 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
3.351 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.351 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
3.352 * [backup-simplify]: Simplify (- 0) into 0
3.352 * [backup-simplify]: Simplify (+ 0 0) into 0
3.352 * [backup-simplify]: Simplify 0 into 0
3.352 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.354 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
3.355 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
3.356 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.357 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
3.358 * [backup-simplify]: Simplify (- 0) into 0
3.358 * [backup-simplify]: Simplify (+ 0 0) into 0
3.358 * [backup-simplify]: Simplify 0 into 0
3.359 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.360 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
3.362 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))))) into 0
3.363 * [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
3.365 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))))) into 0
3.365 * [backup-simplify]: Simplify (- 0) into 0
3.365 * [backup-simplify]: Simplify (+ 0 0) into 0
3.365 * [backup-simplify]: Simplify 0 into 0
3.366 * [backup-simplify]: Simplify (+ (* 1.0 (/ 1 (/ 1 x))) (* (- 0.5) (pow (/ 1 (/ 1 x)) 2))) into (- (* 1.0 x) (* 0.5 (pow x 2)))
3.366 * [backup-simplify]: Simplify (+ (* 1.0 (/ 1 (- x))) (* (- (* (/ 1 (- x)) 0.5)) (/ 1 (- x)))) into (- (+ (* 0.5 (/ 1 (pow x 2))) (* 1.0 (/ 1 x))))
3.366 * [approximate]: Taking taylor expansion of (- (+ (* 0.5 (/ 1 (pow x 2))) (* 1.0 (/ 1 x)))) in (x) around 0
3.366 * [taylor]: Taking taylor expansion of (- (+ (* 0.5 (/ 1 (pow x 2))) (* 1.0 (/ 1 x)))) in x
3.366 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 (pow x 2))) (* 1.0 (/ 1 x))) in x
3.366 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 (pow x 2))) in x
3.367 * [taylor]: Taking taylor expansion of 0.5 in x
3.367 * [backup-simplify]: Simplify 0.5 into 0.5
3.367 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
3.367 * [taylor]: Taking taylor expansion of (pow x 2) in x
3.367 * [taylor]: Taking taylor expansion of x in x
3.367 * [backup-simplify]: Simplify 0 into 0
3.367 * [backup-simplify]: Simplify 1 into 1
3.367 * [backup-simplify]: Simplify (* 1 1) into 1
3.367 * [backup-simplify]: Simplify (/ 1 1) into 1
3.367 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 x)) in x
3.367 * [taylor]: Taking taylor expansion of 1.0 in x
3.367 * [backup-simplify]: Simplify 1.0 into 1.0
3.367 * [taylor]: Taking taylor expansion of (/ 1 x) in x
3.367 * [taylor]: Taking taylor expansion of x in x
3.368 * [backup-simplify]: Simplify 0 into 0
3.368 * [backup-simplify]: Simplify 1 into 1
3.368 * [backup-simplify]: Simplify (/ 1 1) into 1
3.368 * [taylor]: Taking taylor expansion of (- (+ (* 0.5 (/ 1 (pow x 2))) (* 1.0 (/ 1 x)))) in x
3.368 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 (pow x 2))) (* 1.0 (/ 1 x))) in x
3.368 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 (pow x 2))) in x
3.368 * [taylor]: Taking taylor expansion of 0.5 in x
3.368 * [backup-simplify]: Simplify 0.5 into 0.5
3.368 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
3.368 * [taylor]: Taking taylor expansion of (pow x 2) in x
3.368 * [taylor]: Taking taylor expansion of x in x
3.368 * [backup-simplify]: Simplify 0 into 0
3.368 * [backup-simplify]: Simplify 1 into 1
3.369 * [backup-simplify]: Simplify (* 1 1) into 1
3.369 * [backup-simplify]: Simplify (/ 1 1) into 1
3.369 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 x)) in x
3.369 * [taylor]: Taking taylor expansion of 1.0 in x
3.369 * [backup-simplify]: Simplify 1.0 into 1.0
3.369 * [taylor]: Taking taylor expansion of (/ 1 x) in x
3.369 * [taylor]: Taking taylor expansion of x in x
3.369 * [backup-simplify]: Simplify 0 into 0
3.369 * [backup-simplify]: Simplify 1 into 1
3.369 * [backup-simplify]: Simplify (/ 1 1) into 1
3.370 * [backup-simplify]: Simplify (* 0.5 1) into 0.5
3.370 * [backup-simplify]: Simplify (+ 0.5 0) into 0.5
3.371 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
3.371 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
3.372 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
3.373 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
3.373 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 1)) into 0
3.374 * [backup-simplify]: Simplify (* 1.0 1) into 1.0
3.374 * [backup-simplify]: Simplify (+ 0 1.0) into 1.0
3.375 * [backup-simplify]: Simplify (- 1.0) into (- 1.0)
3.375 * [backup-simplify]: Simplify (- 1.0) into (- 1.0)
3.376 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
3.377 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.378 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 1))) into 0
3.378 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
3.379 * [backup-simplify]: Simplify (+ (* 1.0 0) (* 0 1)) into 0
3.379 * [backup-simplify]: Simplify (+ 0 0) into 0
3.380 * [backup-simplify]: Simplify (- 0) into 0
3.380 * [backup-simplify]: Simplify 0 into 0
3.381 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
3.382 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.383 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
3.384 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.385 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (* 0 1))) into 0
3.386 * [backup-simplify]: Simplify (+ 0 0) into 0
3.386 * [backup-simplify]: Simplify (- 0) into 0
3.386 * [backup-simplify]: Simplify 0 into 0
3.387 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
3.388 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.389 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
3.390 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.391 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
3.392 * [backup-simplify]: Simplify (+ 0 0) into 0
3.392 * [backup-simplify]: Simplify (- 0) into 0
3.392 * [backup-simplify]: Simplify 0 into 0
3.393 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
3.394 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.396 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
3.397 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.398 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
3.398 * [backup-simplify]: Simplify (+ 0 0) into 0
3.399 * [backup-simplify]: Simplify (- 0) into 0
3.399 * [backup-simplify]: Simplify 0 into 0
3.400 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
3.401 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.403 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
3.404 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.405 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
3.406 * [backup-simplify]: Simplify (+ 0 0) into 0
3.406 * [backup-simplify]: Simplify (- 0) into 0
3.406 * [backup-simplify]: Simplify 0 into 0
3.408 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))))) into 0
3.409 * [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
3.411 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))))) into 0
3.412 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
3.413 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
3.413 * [backup-simplify]: Simplify (+ 0 0) into 0
3.413 * [backup-simplify]: Simplify (- 0) into 0
3.413 * [backup-simplify]: Simplify 0 into 0
3.414 * [backup-simplify]: Simplify (+ (* (- 1.0) (/ 1 (/ 1 (- x)))) (* (- 0.5) (pow (/ 1 (/ 1 (- x))) 2))) into (- (* 1.0 x) (* 0.5 (pow x 2)))
3.414 * * * [progress]: simplifying candidates
3.414 * [simplify]: Simplifying:
  (expm1 (+ (* 1.0 x) (* (- (* x 0.5)) x)))
  (log1p (+ (* 1.0 x) (* (- (* x 0.5)) x)))
  (* (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)))
3.415 * * [simplify]: iteration 0: 36 enodes
3.430 * * [simplify]: iteration 1: 127 enodes
3.504 * * [simplify]: iteration 2: 504 enodes
4.010 * * [simplify]: iteration 3: 2497 enodes
5.703 * * [simplify]: iteration complete: 5005 enodes
5.703 * * [simplify]: Extracting #0: cost 14 inf + 0
5.705 * * [simplify]: Extracting #1: cost 394 inf + 0
5.715 * * [simplify]: Extracting #2: cost 568 inf + 6800
5.753 * * [simplify]: Extracting #3: cost 208 inf + 77936
5.825 * * [simplify]: Extracting #4: cost 11 inf + 120520
5.905 * * [simplify]: Extracting #5: cost 2 inf + 121227
6.014 * * [simplify]: Extracting #6: cost 0 inf + 121898
6.126 * [simplify]: Simplified to:
  (expm1 (* (- 1.0 (* 0.5 x)) x))
  (log1p (* (- 1.0 (* 0.5 x)) x))
  (exp (* (- 1.0 (* 0.5 x)) x))
  (log (* (- 1.0 (* 0.5 x)) x))
  (exp (* (- 1.0 (* 0.5 x)) x))
  (* (cbrt (* (- 1.0 (* 0.5 x)) x)) (cbrt (* (- 1.0 (* 0.5 x)) x)))
  (cbrt (* (- 1.0 (* 0.5 x)) x))
  (* (* (* (- 1.0 (* 0.5 x)) x) (* (- 1.0 (* 0.5 x)) x)) (* (- 1.0 (* 0.5 x)) x))
  (sqrt (* (- 1.0 (* 0.5 x)) x))
  (sqrt (* (- 1.0 (* 0.5 x)) x))
  (- (* (* x 1.0) (* (* x 1.0) (* x 1.0))) (* (* (* 0.5 (* x x)) (* 0.5 (* x x))) (* 0.5 (* x x))))
  (fma (* 1.0 1.0) (* x x) (* (* 0.5 (* x x)) (fma x 1.0 (* 0.5 (* x x)))))
  (* (* x x) (- (* 1.0 1.0) (* (* 0.5 (* x x)) 0.5)))
  (* x (fma x 0.5 1.0))
  (- 1.0 (* 0.5 x))
  (* (- 1.0 (* 0.5 x)) x)
  (* (- 1.0 (* 0.5 x)) x)
  (* (- 1.0 (* 0.5 x)) x)
6.127 * * * [progress]: adding candidates to table
6.197 * [progress]: [Phase 3 of 3] Extracting.
6.197 * * [regime]: Finding splitpoints for: (#<alt (λ (x) (* x (- 1.0 (* x 0.5))))> #<alt (λ (x) (+ (* 1.0 x) (* (- (* x 0.5)) x)))>)
6.198 * * * [regime-changes]: Trying 2 branch expressions: ((* x (- 1.0 (* x 0.5))) x)
6.198 * * * * [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)))>)
6.228 * * * * [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)))>)
6.267 * * * [regime]: Found split indices: #<option (#s(si 1 255))>
6.267 * [simplify]: Simplifying:
  (+ (* 1.0 x) (* (- (* x 0.5)) x))
6.267 * * [simplify]: iteration 0: 8 enodes
6.268 * * [simplify]: iteration 1: 18 enodes
6.269 * * [simplify]: iteration 2: 23 enodes
6.270 * * [simplify]: iteration 3: 24 enodes
6.271 * * [simplify]: iteration complete: 24 enodes
6.271 * * [simplify]: Extracting #0: cost 1 inf + 0
6.271 * * [simplify]: Extracting #1: cost 3 inf + 0
6.271 * * [simplify]: Extracting #2: cost 9 inf + 0
6.272 * * [simplify]: Extracting #3: cost 8 inf + 43
6.272 * * [simplify]: Extracting #4: cost 0 inf + 658
6.272 * [simplify]: Simplified to:
  (+ (* 1.0 x) (* (* 0.5 x) (- x)))
7.056 * [regime-testing]: Baseline error score: 0.009751218902362795
7.065 * [regime-testing]: Oracle error score: 0.00037504688086010754
7.097 * [regime-testing]: End program error score: 0.009751218902362795