63.842 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.014 * * * [progress]: [2/2] Setting up program.
0.017 * [progress]: [Phase 2 of 3] Improving.
0.017 * [simplify]: Simplifying:
  (* x (- 1.0 (* x 0.5)))
0.017 * * [simplify]: iteration 0: 6 enodes
0.018 * * [simplify]: iteration 1: 10 enodes
0.019 * * [simplify]: iteration 2: 23 enodes
0.023 * * [simplify]: iteration 3: 45 enodes
0.033 * * [simplify]: iteration 4: 60 enodes
0.041 * * [simplify]: iteration complete: 60 enodes
0.041 * * [simplify]: Extracting #0: cost 1 inf + 0
0.041 * * [simplify]: Extracting #1: cost 14 inf + 0
0.041 * * [simplify]: Extracting #2: cost 10 inf + 5
0.041 * * [simplify]: Extracting #3: cost 2 inf + 36
0.041 * * [simplify]: Extracting #4: cost 0 inf + 47
0.041 * [simplify]: Simplified to:
  (* (fma x (- 0.5) 1.0) x)
0.045 * * [progress]: iteration 1 / 4
0.045 * * * [progress]: picking best candidate
0.048 * * * * [pick]: Picked  #<alt (λ (x) (* x (- 1.0 (* x 0.5))))>
0.048 * * * [progress]: localizing error
0.054 * * * [progress]: generating rewritten candidates
0.054 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.079 * * * [progress]: generating series expansions
0.079 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.079 * [backup-simplify]: Simplify (* x (- 1.0 (* x 0.5))) into (* x (- 1.0 (* 0.5 x)))
0.079 * [approximate]: Taking taylor expansion of (* x (- 1.0 (* 0.5 x))) in (x) around 0
0.079 * [taylor]: Taking taylor expansion of (* x (- 1.0 (* 0.5 x))) in x
0.079 * [taylor]: Taking taylor expansion of x in x
0.079 * [backup-simplify]: Simplify 0 into 0
0.079 * [backup-simplify]: Simplify 1 into 1
0.079 * [taylor]: Taking taylor expansion of (- 1.0 (* 0.5 x)) in x
0.079 * [taylor]: Taking taylor expansion of 1.0 in x
0.079 * [backup-simplify]: Simplify 1.0 into 1.0
0.079 * [taylor]: Taking taylor expansion of (* 0.5 x) in x
0.079 * [taylor]: Taking taylor expansion of 0.5 in x
0.079 * [backup-simplify]: Simplify 0.5 into 0.5
0.079 * [taylor]: Taking taylor expansion of x in x
0.080 * [backup-simplify]: Simplify 0 into 0
0.080 * [backup-simplify]: Simplify 1 into 1
0.080 * [taylor]: Taking taylor expansion of (* x (- 1.0 (* 0.5 x))) in x
0.080 * [taylor]: Taking taylor expansion of x in x
0.080 * [backup-simplify]: Simplify 0 into 0
0.080 * [backup-simplify]: Simplify 1 into 1
0.080 * [taylor]: Taking taylor expansion of (- 1.0 (* 0.5 x)) in x
0.080 * [taylor]: Taking taylor expansion of 1.0 in x
0.080 * [backup-simplify]: Simplify 1.0 into 1.0
0.080 * [taylor]: Taking taylor expansion of (* 0.5 x) in x
0.080 * [taylor]: Taking taylor expansion of 0.5 in x
0.080 * [backup-simplify]: Simplify 0.5 into 0.5
0.080 * [taylor]: Taking taylor expansion of x in x
0.080 * [backup-simplify]: Simplify 0 into 0
0.080 * [backup-simplify]: Simplify 1 into 1
0.081 * [backup-simplify]: Simplify (* 0.5 0) into 0
0.081 * [backup-simplify]: Simplify (- 0) into 0
0.082 * [backup-simplify]: Simplify (+ 1.0 0) into 1.0
0.082 * [backup-simplify]: Simplify (* 0 1.0) into 0
0.082 * [backup-simplify]: Simplify 0 into 0
0.084 * [backup-simplify]: Simplify (+ (* 0.5 1) (* 0 0)) into 0.5
0.084 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
0.085 * [backup-simplify]: Simplify (+ 0 (- 0.5)) into (- 0.5)
0.087 * [backup-simplify]: Simplify (+ (* 0 (- 0.5)) (* 1 1.0)) into 1.0
0.087 * [backup-simplify]: Simplify 1.0 into 1.0
0.088 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 1) (* 0 0))) into 0
0.089 * [backup-simplify]: Simplify (- 0) into 0
0.089 * [backup-simplify]: Simplify (+ 0 0) into 0
0.093 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 (- 0.5)) (* 0 1.0))) into (- 0.5)
0.094 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
0.095 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))) into 0
0.095 * [backup-simplify]: Simplify (- 0) into 0
0.096 * [backup-simplify]: Simplify (+ 0 0) into 0
0.097 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 (- 0.5)) (* 0 1.0)))) into 0
0.097 * [backup-simplify]: Simplify 0 into 0
0.099 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0))))) into 0
0.099 * [backup-simplify]: Simplify (- 0) into 0
0.099 * [backup-simplify]: Simplify (+ 0 0) into 0
0.101 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 (- 0.5)) (* 0 1.0))))) into 0
0.101 * [backup-simplify]: Simplify 0 into 0
0.103 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))))) into 0
0.103 * [backup-simplify]: Simplify (- 0) into 0
0.103 * [backup-simplify]: Simplify (+ 0 0) into 0
0.105 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 (- 0.5)) (* 0 1.0)))))) into 0
0.105 * [backup-simplify]: Simplify 0 into 0
0.107 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0))))))) into 0
0.108 * [backup-simplify]: Simplify (- 0) into 0
0.108 * [backup-simplify]: Simplify (+ 0 0) into 0
0.110 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 (- 0.5)) (* 0 1.0))))))) into 0
0.110 * [backup-simplify]: Simplify 0 into 0
0.112 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))))))) into 0
0.112 * [backup-simplify]: Simplify (- 0) into 0
0.113 * [backup-simplify]: Simplify (+ 0 0) into 0
0.115 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 (- 0.5)) (* 0 1.0)))))))) into 0
0.115 * [backup-simplify]: Simplify 0 into 0
0.117 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0))))))))) into 0
0.117 * [backup-simplify]: Simplify (- 0) into 0
0.118 * [backup-simplify]: Simplify (+ 0 0) into 0
0.120 * [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
0.120 * [backup-simplify]: Simplify 0 into 0
0.121 * [backup-simplify]: Simplify (+ (* (- 0.5) (pow x 2)) (* 1.0 x)) into (- (* 1.0 x) (* 0.5 (pow x 2)))
0.121 * [backup-simplify]: Simplify (* (/ 1 x) (- 1.0 (* (/ 1 x) 0.5))) into (/ (- 1.0 (* 0.5 (/ 1 x))) x)
0.121 * [approximate]: Taking taylor expansion of (/ (- 1.0 (* 0.5 (/ 1 x))) x) in (x) around 0
0.121 * [taylor]: Taking taylor expansion of (/ (- 1.0 (* 0.5 (/ 1 x))) x) in x
0.121 * [taylor]: Taking taylor expansion of (- 1.0 (* 0.5 (/ 1 x))) in x
0.121 * [taylor]: Taking taylor expansion of 1.0 in x
0.121 * [backup-simplify]: Simplify 1.0 into 1.0
0.121 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
0.121 * [taylor]: Taking taylor expansion of 0.5 in x
0.121 * [backup-simplify]: Simplify 0.5 into 0.5
0.122 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.122 * [taylor]: Taking taylor expansion of x in x
0.122 * [backup-simplify]: Simplify 0 into 0
0.122 * [backup-simplify]: Simplify 1 into 1
0.122 * [backup-simplify]: Simplify (/ 1 1) into 1
0.122 * [taylor]: Taking taylor expansion of x in x
0.122 * [backup-simplify]: Simplify 0 into 0
0.122 * [backup-simplify]: Simplify 1 into 1
0.122 * [backup-simplify]: Simplify (* 0.5 1) into 0.5
0.123 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
0.124 * [backup-simplify]: Simplify (+ 0 (- 0.5)) into (- 0.5)
0.124 * [backup-simplify]: Simplify (/ (- 0.5) 1) into -0.5
0.125 * [taylor]: Taking taylor expansion of (/ (- 1.0 (* 0.5 (/ 1 x))) x) in x
0.125 * [taylor]: Taking taylor expansion of (- 1.0 (* 0.5 (/ 1 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 (/ 1 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 (/ 1 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 * [backup-simplify]: Simplify (/ 1 1) into 1
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 1) into 0.5
0.126 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
0.127 * [backup-simplify]: Simplify (+ 0 (- 0.5)) into (- 0.5)
0.128 * [backup-simplify]: Simplify (/ (- 0.5) 1) into -0.5
0.128 * [backup-simplify]: Simplify -0.5 into -0.5
0.129 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.130 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 1)) into 0
0.130 * [backup-simplify]: Simplify (- 0) into 0
0.130 * [backup-simplify]: Simplify (+ 1.0 0) into 1.0
0.132 * [backup-simplify]: Simplify (- (/ 1.0 1) (+ (* -0.5 (/ 0 1)))) into 1.0
0.133 * [backup-simplify]: Simplify 1.0 into 1.0
0.133 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.134 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 1))) into 0
0.135 * [backup-simplify]: Simplify (- 0) into 0
0.135 * [backup-simplify]: Simplify (+ 0 0) into 0
0.136 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* -0.5 (/ 0 1)) (* 1.0 (/ 0 1)))) into 0
0.136 * [backup-simplify]: Simplify 0 into 0
0.137 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.138 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
0.138 * [backup-simplify]: Simplify (- 0) into 0
0.139 * [backup-simplify]: Simplify (+ 0 0) into 0
0.140 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* -0.5 (/ 0 1)) (* 1.0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.140 * [backup-simplify]: Simplify 0 into 0
0.141 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.147 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
0.148 * [backup-simplify]: Simplify (- 0) into 0
0.149 * [backup-simplify]: Simplify (+ 0 0) into 0
0.150 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* -0.5 (/ 0 1)) (* 1.0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.150 * [backup-simplify]: Simplify 0 into 0
0.151 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.152 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
0.152 * [backup-simplify]: Simplify (- 0) into 0
0.152 * [backup-simplify]: Simplify (+ 0 0) into 0
0.153 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* -0.5 (/ 0 1)) (* 1.0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.153 * [backup-simplify]: Simplify 0 into 0
0.154 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.155 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
0.155 * [backup-simplify]: Simplify (- 0) into 0
0.155 * [backup-simplify]: Simplify (+ 0 0) into 0
0.156 * [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
0.156 * [backup-simplify]: Simplify 0 into 0
0.157 * [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
0.158 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))))) into 0
0.158 * [backup-simplify]: Simplify (- 0) into 0
0.158 * [backup-simplify]: Simplify (+ 0 0) into 0
0.159 * [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
0.159 * [backup-simplify]: Simplify 0 into 0
0.160 * [backup-simplify]: Simplify (+ (* 1.0 (/ 1 (/ 1 x))) (* -0.5 (pow (/ 1 (/ 1 x)) 2))) into (- (* 1.0 x) (* 0.5 (pow x 2)))
0.160 * [backup-simplify]: Simplify (* (/ 1 (- x)) (- 1.0 (* (/ 1 (- x)) 0.5))) into (* -1 (/ (+ (* 0.5 (/ 1 x)) 1.0) x))
0.160 * [approximate]: Taking taylor expansion of (* -1 (/ (+ (* 0.5 (/ 1 x)) 1.0) x)) in (x) around 0
0.160 * [taylor]: Taking taylor expansion of (* -1 (/ (+ (* 0.5 (/ 1 x)) 1.0) x)) in x
0.160 * [taylor]: Taking taylor expansion of -1 in x
0.160 * [backup-simplify]: Simplify -1 into -1
0.160 * [taylor]: Taking taylor expansion of (/ (+ (* 0.5 (/ 1 x)) 1.0) x) in x
0.160 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 x)) 1.0) in x
0.160 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
0.160 * [taylor]: Taking taylor expansion of 0.5 in x
0.160 * [backup-simplify]: Simplify 0.5 into 0.5
0.160 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.160 * [taylor]: Taking taylor expansion of x in x
0.160 * [backup-simplify]: Simplify 0 into 0
0.160 * [backup-simplify]: Simplify 1 into 1
0.160 * [backup-simplify]: Simplify (/ 1 1) into 1
0.160 * [taylor]: Taking taylor expansion of 1.0 in x
0.160 * [backup-simplify]: Simplify 1.0 into 1.0
0.160 * [taylor]: Taking taylor expansion of x in x
0.160 * [backup-simplify]: Simplify 0 into 0
0.160 * [backup-simplify]: Simplify 1 into 1
0.161 * [backup-simplify]: Simplify (* 0.5 1) into 0.5
0.161 * [backup-simplify]: Simplify (+ 0.5 0) into 0.5
0.161 * [backup-simplify]: Simplify (/ 0.5 1) into 0.5
0.161 * [taylor]: Taking taylor expansion of (* -1 (/ (+ (* 0.5 (/ 1 x)) 1.0) x)) in x
0.161 * [taylor]: Taking taylor expansion of -1 in x
0.161 * [backup-simplify]: Simplify -1 into -1
0.161 * [taylor]: Taking taylor expansion of (/ (+ (* 0.5 (/ 1 x)) 1.0) x) in x
0.161 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 x)) 1.0) in x
0.161 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
0.161 * [taylor]: Taking taylor expansion of 0.5 in x
0.161 * [backup-simplify]: Simplify 0.5 into 0.5
0.161 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.161 * [taylor]: Taking taylor expansion of x in x
0.161 * [backup-simplify]: Simplify 0 into 0
0.161 * [backup-simplify]: Simplify 1 into 1
0.162 * [backup-simplify]: Simplify (/ 1 1) into 1
0.162 * [taylor]: Taking taylor expansion of 1.0 in x
0.162 * [backup-simplify]: Simplify 1.0 into 1.0
0.162 * [taylor]: Taking taylor expansion of x in x
0.162 * [backup-simplify]: Simplify 0 into 0
0.162 * [backup-simplify]: Simplify 1 into 1
0.162 * [backup-simplify]: Simplify (* 0.5 1) into 0.5
0.162 * [backup-simplify]: Simplify (+ 0.5 0) into 0.5
0.163 * [backup-simplify]: Simplify (/ 0.5 1) into 0.5
0.163 * [backup-simplify]: Simplify (* -1 0.5) into -0.5
0.163 * [backup-simplify]: Simplify -0.5 into -0.5
0.164 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.164 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 1)) into 0
0.164 * [backup-simplify]: Simplify (+ 0 1.0) into 1.0
0.166 * [backup-simplify]: Simplify (- (/ 1.0 1) (+ (* 0.5 (/ 0 1)))) into 1.0
0.167 * [backup-simplify]: Simplify (+ (* -1 1.0) (* 0 0.5)) into (- 1.0)
0.167 * [backup-simplify]: Simplify (- 1.0) into (- 1.0)
0.168 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.169 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 1))) into 0
0.169 * [backup-simplify]: Simplify (+ 0 0) into 0
0.170 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 0.5 (/ 0 1)) (* 1.0 (/ 0 1)))) into 0
0.170 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 1.0) (* 0 0.5))) into 0
0.170 * [backup-simplify]: Simplify 0 into 0
0.171 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.172 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
0.172 * [backup-simplify]: Simplify (+ 0 0) into 0
0.173 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 0.5 (/ 0 1)) (* 1.0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.173 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 1.0) (* 0 0.5)))) into 0
0.173 * [backup-simplify]: Simplify 0 into 0
0.174 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.175 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) 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)))) into 0
0.178 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1.0) (* 0 0.5))))) into 0
0.178 * [backup-simplify]: Simplify 0 into 0
0.179 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.180 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
0.181 * [backup-simplify]: Simplify (+ 0 0) into 0
0.182 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 0.5 (/ 0 1)) (* 1.0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.184 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1.0) (* 0 0.5)))))) into 0
0.184 * [backup-simplify]: Simplify 0 into 0
0.185 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 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 0) (* 0 1))))))) into 0
0.187 * [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)) (* 0 (/ 0 1)))) into 0
0.191 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1.0) (* 0 0.5))))))) into 0
0.191 * [backup-simplify]: Simplify 0 into 0
0.193 * [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
0.194 * [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
0.199 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1.0) (* 0 0.5)))))))) into 0
0.199 * [backup-simplify]: Simplify 0 into 0
0.200 * [backup-simplify]: Simplify (+ (* (- 1.0) (/ 1 (/ 1 (- x)))) (* -0.5 (pow (/ 1 (/ 1 (- x))) 2))) into (- (* 1.0 x) (* 0.5 (pow x 2)))
0.200 * * * [progress]: simplifying candidates
0.201 * [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)))
0.202 * * [simplify]: iteration 0: 71 enodes
0.222 * * [simplify]: iteration 1: 174 enodes
0.329 * * [simplify]: iteration 2: 721 enodes
0.610 * * [simplify]: iteration complete: 5000 enodes
0.610 * * [simplify]: Extracting #0: cost 29 inf + 0
0.612 * * [simplify]: Extracting #1: cost 757 inf + 1
0.616 * * [simplify]: Extracting #2: cost 1683 inf + 593
0.625 * * [simplify]: Extracting #3: cost 1087 inf + 8115
0.637 * * [simplify]: Extracting #4: cost 227 inf + 16273
0.649 * * [simplify]: Extracting #5: cost 14 inf + 18111
0.659 * * [simplify]: Extracting #6: cost 1 inf + 18198
0.665 * * [simplify]: Extracting #7: cost 0 inf + 18205
0.672 * [simplify]: Simplified to:
  (expm1 (* x (fma 0.5 (- x) 1.0)))
  (log1p (* x (fma 0.5 (- x) 1.0)))
  (* x (fma 0.5 (- x) 1.0))
  (log (* x (fma 0.5 (- x) 1.0)))
  (log (* x (fma 0.5 (- x) 1.0)))
  (pow (exp x) (fma 0.5 (- x) 1.0))
  (* (pow x 3) (pow (fma 0.5 (- x) 1.0) 3))
  (* (cbrt (* x (fma 0.5 (- x) 1.0))) (cbrt (* x (fma 0.5 (- x) 1.0))))
  (cbrt (* x (fma 0.5 (- x) 1.0)))
  (pow (* x (fma 0.5 (- x) 1.0)) 3)
  (sqrt (* x (fma 0.5 (- x) 1.0)))
  (sqrt (* x (fma 0.5 (- x) 1.0)))
  (* (sqrt (fma 0.5 (- x) 1.0)) (sqrt x))
  (* (sqrt (fma 0.5 (- x) 1.0)) (sqrt x))
  (* x (fma x (- 0.5) (pow (cbrt 1.0) 3)))
  (* (* x x) (+ (- 0.5) 0.5))
  (* x (fma (- 0.5) x 1.0))
  (* (* x x) (+ (- 0.5) 0.5))
  (* x (fma (- 0.5) x 1.0))
  (* (* x x) (+ (- 0.5) 0.5))
  (* 1.0 x)
  (* (- x) (* x 0.5))
  (* 1.0 x)
  (* (- x) (* x 0.5))
  (* (fma x (- 0.5) (pow (cbrt 1.0) 3)) x)
  (* (* x x) (+ (- 0.5) 0.5))
  (* x (fma (- 0.5) x 1.0))
  (* (* x x) (+ (- 0.5) 0.5))
  (* x (fma (- 0.5) x 1.0))
  (* (* x x) (+ (- 0.5) 0.5))
  (* 1.0 x)
  (* (* x 0.5) (- x))
  (* 1.0 x)
  (* (* x 0.5) (- x))
  (* (cbrt (fma 0.5 (- x) 1.0)) (* (cbrt (fma 0.5 (- x) 1.0)) x))
  (* x (sqrt (fma 0.5 (- x) 1.0)))
  x
  (* (fma 0.5 (- x) 1.0) (cbrt x))
  (* (sqrt x) (fma 0.5 (- x) 1.0))
  (* x (fma 0.5 (- x) 1.0))
  (* (- (pow 1.0 3) (pow (* x 0.5) 3)) x)
  (* (fma x 0.5 1.0) (* (fma 0.5 (- x) 1.0) x))
  (* x (- 1.0 (* 0.5 x)))
  (* x (- 1.0 (* 0.5 x)))
  (* x (- 1.0 (* 0.5 x)))
0.672 * * * [progress]: adding candidates to table
0.773 * * [progress]: iteration 2 / 4
0.773 * * * [progress]: picking best candidate
0.775 * * * * [pick]: Picked  #<alt (λ (x) (+ (* 1.0 x) (* (* x 0.5) (- x))))>
0.775 * * * [progress]: localizing error
0.785 * * * [progress]: generating rewritten candidates
0.785 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.791 * * * [progress]: generating series expansions
0.791 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.792 * [backup-simplify]: Simplify (+ (* 1.0 x) (* (* x 0.5) (- x))) into (- (* 1.0 x) (* 0.5 (pow x 2)))
0.792 * [approximate]: Taking taylor expansion of (- (* 1.0 x) (* 0.5 (pow x 2))) in (x) around 0
0.792 * [taylor]: Taking taylor expansion of (- (* 1.0 x) (* 0.5 (pow x 2))) in x
0.792 * [taylor]: Taking taylor expansion of (* 1.0 x) in x
0.792 * [taylor]: Taking taylor expansion of 1.0 in x
0.792 * [backup-simplify]: Simplify 1.0 into 1.0
0.792 * [taylor]: Taking taylor expansion of x in x
0.792 * [backup-simplify]: Simplify 0 into 0
0.792 * [backup-simplify]: Simplify 1 into 1
0.792 * [taylor]: Taking taylor expansion of (* 0.5 (pow x 2)) in x
0.792 * [taylor]: Taking taylor expansion of 0.5 in x
0.792 * [backup-simplify]: Simplify 0.5 into 0.5
0.792 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.792 * [taylor]: Taking taylor expansion of x in x
0.792 * [backup-simplify]: Simplify 0 into 0
0.792 * [backup-simplify]: Simplify 1 into 1
0.792 * [taylor]: Taking taylor expansion of (- (* 1.0 x) (* 0.5 (pow x 2))) in x
0.792 * [taylor]: Taking taylor expansion of (* 1.0 x) in x
0.792 * [taylor]: Taking taylor expansion of 1.0 in x
0.792 * [backup-simplify]: Simplify 1.0 into 1.0
0.792 * [taylor]: Taking taylor expansion of x in x
0.792 * [backup-simplify]: Simplify 0 into 0
0.792 * [backup-simplify]: Simplify 1 into 1
0.792 * [taylor]: Taking taylor expansion of (* 0.5 (pow x 2)) in x
0.792 * [taylor]: Taking taylor expansion of 0.5 in x
0.792 * [backup-simplify]: Simplify 0.5 into 0.5
0.792 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.792 * [taylor]: Taking taylor expansion of x in x
0.792 * [backup-simplify]: Simplify 0 into 0
0.792 * [backup-simplify]: Simplify 1 into 1
0.793 * [backup-simplify]: Simplify (* 1.0 0) into 0
0.793 * [backup-simplify]: Simplify (+ 0 0) into 0
0.793 * [backup-simplify]: Simplify 0 into 0
0.794 * [backup-simplify]: Simplify (+ (* 1.0 1) (* 0 0)) into 1.0
0.794 * [backup-simplify]: Simplify (+ 1.0 0) into 1.0
0.794 * [backup-simplify]: Simplify 1.0 into 1.0
0.795 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 1) (* 0 0))) into 0
0.795 * [backup-simplify]: Simplify (* 1 1) into 1
0.795 * [backup-simplify]: Simplify (* 0.5 1) into 0.5
0.796 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
0.796 * [backup-simplify]: Simplify (+ 0 (- 0.5)) into (- 0.5)
0.796 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
0.797 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))) into 0
0.797 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
0.798 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 1)) into 0
0.798 * [backup-simplify]: Simplify (- 0) into 0
0.798 * [backup-simplify]: Simplify (+ 0 0) into 0
0.798 * [backup-simplify]: Simplify 0 into 0
0.800 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0))))) into 0
0.800 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
0.801 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 1))) into 0
0.802 * [backup-simplify]: Simplify (- 0) into 0
0.802 * [backup-simplify]: Simplify (+ 0 0) into 0
0.802 * [backup-simplify]: Simplify 0 into 0
0.803 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))))) into 0
0.804 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
0.805 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
0.805 * [backup-simplify]: Simplify (- 0) into 0
0.806 * [backup-simplify]: Simplify (+ 0 0) into 0
0.806 * [backup-simplify]: Simplify 0 into 0
0.807 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0))))))) into 0
0.808 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
0.809 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
0.810 * [backup-simplify]: Simplify (- 0) into 0
0.810 * [backup-simplify]: Simplify (+ 0 0) into 0
0.810 * [backup-simplify]: Simplify 0 into 0
0.812 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))))))) into 0
0.813 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
0.814 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
0.814 * [backup-simplify]: Simplify (- 0) into 0
0.815 * [backup-simplify]: Simplify (+ 0 0) into 0
0.815 * [backup-simplify]: Simplify 0 into 0
0.816 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0))))))))) into 0
0.818 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
0.820 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
0.820 * [backup-simplify]: Simplify (- 0) into 0
0.820 * [backup-simplify]: Simplify (+ 0 0) into 0
0.820 * [backup-simplify]: Simplify 0 into 0
0.821 * [backup-simplify]: Simplify (+ (* (- 0.5) (pow x 2)) (* 1.0 x)) into (- (* 1.0 x) (* 0.5 (pow x 2)))
0.821 * [backup-simplify]: Simplify (+ (* 1.0 (/ 1 x)) (* (* (/ 1 x) 0.5) (- (/ 1 x)))) into (- (* 1.0 (/ 1 x)) (* 0.5 (/ 1 (pow x 2))))
0.821 * [approximate]: Taking taylor expansion of (- (* 1.0 (/ 1 x)) (* 0.5 (/ 1 (pow x 2)))) in (x) around 0
0.821 * [taylor]: Taking taylor expansion of (- (* 1.0 (/ 1 x)) (* 0.5 (/ 1 (pow x 2)))) in x
0.821 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 x)) in x
0.821 * [taylor]: Taking taylor expansion of 1.0 in x
0.821 * [backup-simplify]: Simplify 1.0 into 1.0
0.821 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.821 * [taylor]: Taking taylor expansion of x in x
0.821 * [backup-simplify]: Simplify 0 into 0
0.821 * [backup-simplify]: Simplify 1 into 1
0.822 * [backup-simplify]: Simplify (/ 1 1) into 1
0.822 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 (pow x 2))) in x
0.822 * [taylor]: Taking taylor expansion of 0.5 in x
0.822 * [backup-simplify]: Simplify 0.5 into 0.5
0.822 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.822 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.822 * [taylor]: Taking taylor expansion of x in x
0.822 * [backup-simplify]: Simplify 0 into 0
0.822 * [backup-simplify]: Simplify 1 into 1
0.822 * [backup-simplify]: Simplify (* 1 1) into 1
0.822 * [backup-simplify]: Simplify (/ 1 1) into 1
0.823 * [taylor]: Taking taylor expansion of (- (* 1.0 (/ 1 x)) (* 0.5 (/ 1 (pow x 2)))) in x
0.823 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 x)) in x
0.823 * [taylor]: Taking taylor expansion of 1.0 in x
0.823 * [backup-simplify]: Simplify 1.0 into 1.0
0.823 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.823 * [taylor]: Taking taylor expansion of x in x
0.823 * [backup-simplify]: Simplify 0 into 0
0.823 * [backup-simplify]: Simplify 1 into 1
0.823 * [backup-simplify]: Simplify (/ 1 1) into 1
0.823 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 (pow x 2))) in x
0.823 * [taylor]: Taking taylor expansion of 0.5 in x
0.823 * [backup-simplify]: Simplify 0.5 into 0.5
0.823 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.823 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.823 * [taylor]: Taking taylor expansion of x in x
0.823 * [backup-simplify]: Simplify 0 into 0
0.823 * [backup-simplify]: Simplify 1 into 1
0.824 * [backup-simplify]: Simplify (* 1 1) into 1
0.824 * [backup-simplify]: Simplify (/ 1 1) into 1
0.824 * [backup-simplify]: Simplify (* 0.5 1) into 0.5
0.825 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
0.825 * [backup-simplify]: Simplify (+ 0 (- 0.5)) into (- 0.5)
0.826 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
0.826 * [backup-simplify]: Simplify (* 1.0 1) into 1.0
0.827 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
0.827 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.828 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 1)) into 0
0.828 * [backup-simplify]: Simplify (- 0) into 0
0.829 * [backup-simplify]: Simplify (+ 1.0 0) into 1.0
0.829 * [backup-simplify]: Simplify 1.0 into 1.0
0.829 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.830 * [backup-simplify]: Simplify (+ (* 1.0 0) (* 0 1)) into 0
0.831 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
0.832 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.832 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 1))) into 0
0.832 * [backup-simplify]: Simplify (- 0) into 0
0.833 * [backup-simplify]: Simplify (+ 0 0) into 0
0.833 * [backup-simplify]: Simplify 0 into 0
0.833 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.834 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (* 0 1))) into 0
0.834 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
0.835 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.836 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
0.836 * [backup-simplify]: Simplify (- 0) into 0
0.836 * [backup-simplify]: Simplify (+ 0 0) into 0
0.836 * [backup-simplify]: Simplify 0 into 0
0.837 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.837 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
0.838 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
0.839 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.839 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
0.840 * [backup-simplify]: Simplify (- 0) into 0
0.840 * [backup-simplify]: Simplify (+ 0 0) into 0
0.840 * [backup-simplify]: Simplify 0 into 0
0.840 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.841 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
0.842 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
0.847 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.848 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
0.848 * [backup-simplify]: Simplify (- 0) into 0
0.848 * [backup-simplify]: Simplify (+ 0 0) into 0
0.848 * [backup-simplify]: Simplify 0 into 0
0.849 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.850 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
0.852 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
0.853 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.854 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
0.855 * [backup-simplify]: Simplify (- 0) into 0
0.855 * [backup-simplify]: Simplify (+ 0 0) into 0
0.855 * [backup-simplify]: Simplify 0 into 0
0.856 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.857 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
0.859 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))))) into 0
0.860 * [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
0.861 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))))) into 0
0.862 * [backup-simplify]: Simplify (- 0) into 0
0.862 * [backup-simplify]: Simplify (+ 0 0) into 0
0.862 * [backup-simplify]: Simplify 0 into 0
0.863 * [backup-simplify]: Simplify (+ (* 1.0 (/ 1 (/ 1 x))) (* (- 0.5) (pow (/ 1 (/ 1 x)) 2))) into (- (* 1.0 x) (* 0.5 (pow x 2)))
0.863 * [backup-simplify]: Simplify (+ (* 1.0 (/ 1 (- x))) (* (* (/ 1 (- x)) 0.5) (- (/ 1 (- x))))) into (- (+ (* 0.5 (/ 1 (pow x 2))) (* 1.0 (/ 1 x))))
0.863 * [approximate]: Taking taylor expansion of (- (+ (* 0.5 (/ 1 (pow x 2))) (* 1.0 (/ 1 x)))) in (x) around 0
0.863 * [taylor]: Taking taylor expansion of (- (+ (* 0.5 (/ 1 (pow x 2))) (* 1.0 (/ 1 x)))) in x
0.863 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 (pow x 2))) (* 1.0 (/ 1 x))) in x
0.863 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 (pow x 2))) in x
0.863 * [taylor]: Taking taylor expansion of 0.5 in x
0.863 * [backup-simplify]: Simplify 0.5 into 0.5
0.863 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.863 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.863 * [taylor]: Taking taylor expansion of x in x
0.863 * [backup-simplify]: Simplify 0 into 0
0.863 * [backup-simplify]: Simplify 1 into 1
0.864 * [backup-simplify]: Simplify (* 1 1) into 1
0.864 * [backup-simplify]: Simplify (/ 1 1) into 1
0.864 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 x)) in x
0.864 * [taylor]: Taking taylor expansion of 1.0 in x
0.864 * [backup-simplify]: Simplify 1.0 into 1.0
0.864 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.864 * [taylor]: Taking taylor expansion of x in x
0.864 * [backup-simplify]: Simplify 0 into 0
0.864 * [backup-simplify]: Simplify 1 into 1
0.865 * [backup-simplify]: Simplify (/ 1 1) into 1
0.865 * [taylor]: Taking taylor expansion of (- (+ (* 0.5 (/ 1 (pow x 2))) (* 1.0 (/ 1 x)))) in x
0.865 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 (pow x 2))) (* 1.0 (/ 1 x))) in x
0.865 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 (pow x 2))) in x
0.865 * [taylor]: Taking taylor expansion of 0.5 in x
0.865 * [backup-simplify]: Simplify 0.5 into 0.5
0.865 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
0.865 * [taylor]: Taking taylor expansion of (pow x 2) in x
0.865 * [taylor]: Taking taylor expansion of x in x
0.865 * [backup-simplify]: Simplify 0 into 0
0.865 * [backup-simplify]: Simplify 1 into 1
0.865 * [backup-simplify]: Simplify (* 1 1) into 1
0.866 * [backup-simplify]: Simplify (/ 1 1) into 1
0.866 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 x)) in x
0.866 * [taylor]: Taking taylor expansion of 1.0 in x
0.866 * [backup-simplify]: Simplify 1.0 into 1.0
0.866 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.866 * [taylor]: Taking taylor expansion of x in x
0.866 * [backup-simplify]: Simplify 0 into 0
0.866 * [backup-simplify]: Simplify 1 into 1
0.866 * [backup-simplify]: Simplify (/ 1 1) into 1
0.867 * [backup-simplify]: Simplify (* 0.5 1) into 0.5
0.867 * [backup-simplify]: Simplify (+ 0.5 0) into 0.5
0.867 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
0.868 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
0.868 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
0.869 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.870 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 1)) into 0
0.870 * [backup-simplify]: Simplify (* 1.0 1) into 1.0
0.870 * [backup-simplify]: Simplify (+ 0 1.0) into 1.0
0.871 * [backup-simplify]: Simplify (- 1.0) into (- 1.0)
0.871 * [backup-simplify]: Simplify (- 1.0) into (- 1.0)
0.871 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
0.872 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.872 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 1))) into 0
0.873 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.873 * [backup-simplify]: Simplify (+ (* 1.0 0) (* 0 1)) into 0
0.874 * [backup-simplify]: Simplify (+ 0 0) into 0
0.874 * [backup-simplify]: Simplify (- 0) into 0
0.874 * [backup-simplify]: Simplify 0 into 0
0.874 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
0.875 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.876 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
0.876 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.877 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (* 0 1))) into 0
0.877 * [backup-simplify]: Simplify (+ 0 0) into 0
0.877 * [backup-simplify]: Simplify (- 0) into 0
0.877 * [backup-simplify]: Simplify 0 into 0
0.878 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
0.879 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.879 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
0.880 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.881 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
0.881 * [backup-simplify]: Simplify (+ 0 0) into 0
0.881 * [backup-simplify]: Simplify (- 0) into 0
0.881 * [backup-simplify]: Simplify 0 into 0
0.882 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
0.883 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.883 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
0.884 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.885 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
0.885 * [backup-simplify]: Simplify (+ 0 0) into 0
0.885 * [backup-simplify]: Simplify (- 0) into 0
0.885 * [backup-simplify]: Simplify 0 into 0
0.886 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
0.887 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.888 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
0.888 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.889 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
0.890 * [backup-simplify]: Simplify (+ 0 0) into 0
0.890 * [backup-simplify]: Simplify (- 0) into 0
0.890 * [backup-simplify]: Simplify 0 into 0
0.891 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))))) into 0
0.892 * [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
0.894 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))))) into 0
0.895 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.896 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
0.897 * [backup-simplify]: Simplify (+ 0 0) into 0
0.897 * [backup-simplify]: Simplify (- 0) into 0
0.897 * [backup-simplify]: Simplify 0 into 0
0.898 * [backup-simplify]: Simplify (+ (* (- 1.0) (/ 1 (/ 1 (- x)))) (* (- 0.5) (pow (/ 1 (/ 1 (- x))) 2))) into (- (* 1.0 x) (* 0.5 (pow x 2)))
0.898 * * * [progress]: simplifying candidates
0.899 * [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 (pow x 2)))
  (- (* 1.0 x) (* 0.5 (pow x 2)))
  (- (* 1.0 x) (* 0.5 (pow x 2)))
0.899 * * [simplify]: iteration 0: 35 enodes
0.908 * * [simplify]: iteration 1: 122 enodes
0.965 * * [simplify]: iteration 2: 626 enodes
1.350 * * [simplify]: iteration complete: 5000 enodes
1.350 * * [simplify]: Extracting #0: cost 13 inf + 0
1.351 * * [simplify]: Extracting #1: cost 192 inf + 0
1.357 * * [simplify]: Extracting #2: cost 1573 inf + 717
1.367 * * [simplify]: Extracting #3: cost 647 inf + 11475
1.377 * * [simplify]: Extracting #4: cost 67 inf + 16326
1.384 * * [simplify]: Extracting #5: cost 3 inf + 16690
1.390 * * [simplify]: Extracting #6: cost 0 inf + 16714
1.402 * [simplify]: Simplified to:
  (expm1 (* x (- 1.0 (* x 0.5))))
  (log1p (* x (- 1.0 (* x 0.5))))
  (pow (exp x) (fma 0.5 (- x) 1.0))
  (log (* x (- 1.0 (* x 0.5))))
  (pow (exp x) (fma 0.5 (- x) 1.0))
  (* (cbrt (* x (- 1.0 (* x 0.5)))) (cbrt (* x (- 1.0 (* x 0.5)))))
  (cbrt (* x (- 1.0 (* x 0.5))))
  (pow (* x (- 1.0 (* x 0.5))) 3)
  (sqrt (* x (- 1.0 (* x 0.5))))
  (sqrt (* x (- 1.0 (* x 0.5))))
  (+ (pow (* (* x 0.5) (- x)) 3) (pow (* 1.0 x) 3))
  (fma (* x x) (* 1.0 1.0) (* (* x (* x 0.5)) (* x (+ (* x 0.5) 1.0))))
  (* (* x (+ (* x 0.5) 1.0)) (* x (- 1.0 (* x 0.5))))
  (* x (+ (* x 0.5) 1.0))
  (* x (- 1.0 (* 0.5 x)))
  (* x (- 1.0 (* 0.5 x)))
  (* x (- 1.0 (* 0.5 x)))
1.402 * * * [progress]: adding candidates to table
1.491 * [progress]: [Phase 3 of 3] Extracting.
1.491 * * [regime]: Finding splitpoints for: (#<alt (λ (x) (+ (* 1.0 x) (* (* x 0.5) (- x))))> #<alt (λ (x) (* x (- 1.0 (* x 0.5))))>)
1.491 * * * [regime-changes]: Trying 2 branch expressions: ((* x (- 1.0 (* x 0.5))) x)
1.491 * * * * [regimes]: Trying to branch on (* x (- 1.0 (* x 0.5))) from (#<alt (λ (x) (+ (* 1.0 x) (* (* x 0.5) (- x))))> #<alt (λ (x) (* x (- 1.0 (* x 0.5))))>)
1.526 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x) (+ (* 1.0 x) (* (* x 0.5) (- x))))> #<alt (λ (x) (* x (- 1.0 (* x 0.5))))>)
1.549 * * * [regime]: Found split indices: #<option (#s(si 0 255))>
1.549 * [simplify]: Simplifying:
  (+ (* 1.0 x) (* (* x 0.5) (- x)))
1.549 * * [simplify]: iteration 0: 8 enodes
1.549 * * [simplify]: iteration 1: 14 enodes
1.550 * * [simplify]: iteration 2: 18 enodes
1.551 * * [simplify]: iteration 3: 24 enodes
1.552 * * [simplify]: iteration complete: 24 enodes
1.552 * * [simplify]: Extracting #0: cost 1 inf + 0
1.552 * * [simplify]: Extracting #1: cost 3 inf + 0
1.552 * * [simplify]: Extracting #2: cost 9 inf + 0
1.552 * * [simplify]: Extracting #3: cost 8 inf + 4
1.552 * * [simplify]: Extracting #4: cost 0 inf + 38
1.552 * [simplify]: Simplified to:
  (+ (* 1.0 x) (* (* 0.5 x) (- x)))
2.706 * [regime-testing]: Baseline error score: 0.007750968871108889
2.715 * [regime-testing]: Oracle error score: 0.0006250781347668458
2.732 * [regime-testing]: End program error score: 0.007750968871108889