22.620 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.017 * * * [progress]: [2/2] Setting up program.
0.020 * [progress]: [Phase 2 of 3] Improving.
0.020 * [simplify]: Simplifying:
  (* x (- 1.0 (* x 0.5)))
0.020 * * [simplify]: iteration 0: 6 enodes
0.021 * * [simplify]: iteration 1: 10 enodes
0.023 * * [simplify]: iteration 2: 23 enodes
0.026 * * [simplify]: iteration 3: 39 enodes
0.031 * * [simplify]: iteration 4: 46 enodes
0.037 * * [simplify]: iteration complete: 46 enodes
0.037 * * [simplify]: Extracting #0: cost 1 inf + 0
0.037 * * [simplify]: Extracting #1: cost 6 inf + 0
0.037 * * [simplify]: Extracting #2: cost 13 inf + 1
0.037 * * [simplify]: Extracting #3: cost 6 inf + 249
0.037 * * [simplify]: Extracting #4: cost 0 inf + 783
0.037 * [simplify]: Simplified to:
  (* (- 1.0 (* x 0.5)) x)
0.038 * * [progress]: iteration 1 / 4
0.038 * * * [progress]: picking best candidate
0.041 * * * * [pick]: Picked  #<alt (λ (x) (* x (- 1.0 (* x 0.5))))>
0.041 * * * [progress]: localizing error
0.047 * * * [progress]: generating rewritten candidates
0.047 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.062 * * * [progress]: generating series expansions
0.062 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.062 * [backup-simplify]: Simplify (* x (- 1.0 (* x 0.5))) into (* x (- 1.0 (* 0.5 x)))
0.062 * [approximate]: Taking taylor expansion of (* x (- 1.0 (* 0.5 x))) in (x) around 0
0.062 * [taylor]: Taking taylor expansion of (* x (- 1.0 (* 0.5 x))) in x
0.062 * [taylor]: Taking taylor expansion of x in x
0.062 * [backup-simplify]: Simplify 0 into 0
0.062 * [backup-simplify]: Simplify 1 into 1
0.062 * [taylor]: Taking taylor expansion of (- 1.0 (* 0.5 x)) in x
0.062 * [taylor]: Taking taylor expansion of 1.0 in x
0.062 * [backup-simplify]: Simplify 1.0 into 1.0
0.062 * [taylor]: Taking taylor expansion of (* 0.5 x) in x
0.062 * [taylor]: Taking taylor expansion of 0.5 in x
0.062 * [backup-simplify]: Simplify 0.5 into 0.5
0.062 * [taylor]: Taking taylor expansion of x in x
0.062 * [backup-simplify]: Simplify 0 into 0
0.062 * [backup-simplify]: Simplify 1 into 1
0.062 * [taylor]: Taking taylor expansion of (* x (- 1.0 (* 0.5 x))) in x
0.062 * [taylor]: Taking taylor expansion of x in x
0.062 * [backup-simplify]: Simplify 0 into 0
0.062 * [backup-simplify]: Simplify 1 into 1
0.062 * [taylor]: Taking taylor expansion of (- 1.0 (* 0.5 x)) in x
0.062 * [taylor]: Taking taylor expansion of 1.0 in x
0.062 * [backup-simplify]: Simplify 1.0 into 1.0
0.062 * [taylor]: Taking taylor expansion of (* 0.5 x) in x
0.062 * [taylor]: Taking taylor expansion of 0.5 in x
0.062 * [backup-simplify]: Simplify 0.5 into 0.5
0.062 * [taylor]: Taking taylor expansion of x in x
0.062 * [backup-simplify]: Simplify 0 into 0
0.062 * [backup-simplify]: Simplify 1 into 1
0.063 * [backup-simplify]: Simplify (* 0.5 0) into 0
0.063 * [backup-simplify]: Simplify (- 0) into 0
0.063 * [backup-simplify]: Simplify (+ 1.0 0) into 1.0
0.063 * [backup-simplify]: Simplify (* 0 1.0) into 0
0.064 * [backup-simplify]: Simplify 0 into 0
0.064 * [backup-simplify]: Simplify (+ (* 0.5 1) (* 0 0)) into 0.5
0.065 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
0.065 * [backup-simplify]: Simplify (+ 0 (- 0.5)) into (- 0.5)
0.066 * [backup-simplify]: Simplify (+ (* 0 (- 0.5)) (* 1 1.0)) into 1.0
0.066 * [backup-simplify]: Simplify 1.0 into 1.0
0.067 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 1) (* 0 0))) into 0
0.067 * [backup-simplify]: Simplify (- 0) into 0
0.067 * [backup-simplify]: Simplify (+ 0 0) into 0
0.069 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 (- 0.5)) (* 0 1.0))) into (- 0.5)
0.070 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
0.070 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))) into 0
0.070 * [backup-simplify]: Simplify (- 0) into 0
0.071 * [backup-simplify]: Simplify (+ 0 0) into 0
0.072 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 (- 0.5)) (* 0 1.0)))) into 0
0.072 * [backup-simplify]: Simplify 0 into 0
0.072 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0))))) into 0
0.073 * [backup-simplify]: Simplify (- 0) into 0
0.073 * [backup-simplify]: Simplify (+ 0 0) into 0
0.074 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 (- 0.5)) (* 0 1.0))))) into 0
0.074 * [backup-simplify]: Simplify 0 into 0
0.075 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))))) into 0
0.075 * [backup-simplify]: Simplify (- 0) into 0
0.075 * [backup-simplify]: Simplify (+ 0 0) into 0
0.076 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 (- 0.5)) (* 0 1.0)))))) into 0
0.076 * [backup-simplify]: Simplify 0 into 0
0.077 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0))))))) into 0
0.077 * [backup-simplify]: Simplify (- 0) into 0
0.078 * [backup-simplify]: Simplify (+ 0 0) into 0
0.079 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 (- 0.5)) (* 0 1.0))))))) into 0
0.079 * [backup-simplify]: Simplify 0 into 0
0.080 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))))))) into 0
0.080 * [backup-simplify]: Simplify (- 0) into 0
0.080 * [backup-simplify]: Simplify (+ 0 0) into 0
0.081 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 (- 0.5)) (* 0 1.0)))))))) into 0
0.082 * [backup-simplify]: Simplify 0 into 0
0.083 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0))))))))) into 0
0.083 * [backup-simplify]: Simplify (- 0) into 0
0.083 * [backup-simplify]: Simplify (+ 0 0) into 0
0.084 * [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
0.084 * [backup-simplify]: Simplify 0 into 0
0.085 * [backup-simplify]: Simplify (+ (* (- 0.5) (pow x 2)) (* 1.0 x)) into (- (* 1.0 x) (* 0.5 (pow x 2)))
0.085 * [backup-simplify]: Simplify (* (/ 1 x) (- 1.0 (* (/ 1 x) 0.5))) into (/ (- 1.0 (* 0.5 (/ 1 x))) x)
0.085 * [approximate]: Taking taylor expansion of (/ (- 1.0 (* 0.5 (/ 1 x))) x) in (x) around 0
0.085 * [taylor]: Taking taylor expansion of (/ (- 1.0 (* 0.5 (/ 1 x))) x) in x
0.085 * [taylor]: Taking taylor expansion of (- 1.0 (* 0.5 (/ 1 x))) in x
0.085 * [taylor]: Taking taylor expansion of 1.0 in x
0.085 * [backup-simplify]: Simplify 1.0 into 1.0
0.085 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
0.085 * [taylor]: Taking taylor expansion of 0.5 in x
0.085 * [backup-simplify]: Simplify 0.5 into 0.5
0.085 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.085 * [taylor]: Taking taylor expansion of x in x
0.085 * [backup-simplify]: Simplify 0 into 0
0.085 * [backup-simplify]: Simplify 1 into 1
0.085 * [backup-simplify]: Simplify (/ 1 1) into 1
0.085 * [taylor]: Taking taylor expansion of x in x
0.086 * [backup-simplify]: Simplify 0 into 0
0.086 * [backup-simplify]: Simplify 1 into 1
0.086 * [backup-simplify]: Simplify (* 0.5 1) into 0.5
0.086 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
0.087 * [backup-simplify]: Simplify (+ 0 (- 0.5)) into (- 0.5)
0.087 * [backup-simplify]: Simplify (/ (- 0.5) 1) into -0.5
0.087 * [taylor]: Taking taylor expansion of (/ (- 1.0 (* 0.5 (/ 1 x))) x) in x
0.087 * [taylor]: Taking taylor expansion of (- 1.0 (* 0.5 (/ 1 x))) in x
0.087 * [taylor]: Taking taylor expansion of 1.0 in x
0.087 * [backup-simplify]: Simplify 1.0 into 1.0
0.087 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
0.087 * [taylor]: Taking taylor expansion of 0.5 in x
0.087 * [backup-simplify]: Simplify 0.5 into 0.5
0.087 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.087 * [taylor]: Taking taylor expansion of x in x
0.087 * [backup-simplify]: Simplify 0 into 0
0.087 * [backup-simplify]: Simplify 1 into 1
0.088 * [backup-simplify]: Simplify (/ 1 1) into 1
0.088 * [taylor]: Taking taylor expansion of x in x
0.088 * [backup-simplify]: Simplify 0 into 0
0.088 * [backup-simplify]: Simplify 1 into 1
0.088 * [backup-simplify]: Simplify (* 0.5 1) into 0.5
0.088 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
0.089 * [backup-simplify]: Simplify (+ 0 (- 0.5)) into (- 0.5)
0.089 * [backup-simplify]: Simplify (/ (- 0.5) 1) into -0.5
0.089 * [backup-simplify]: Simplify -0.5 into -0.5
0.090 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.090 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 1)) into 0
0.090 * [backup-simplify]: Simplify (- 0) into 0
0.091 * [backup-simplify]: Simplify (+ 1.0 0) into 1.0
0.094 * [backup-simplify]: Simplify (- (/ 1.0 1) (+ (* -0.5 (/ 0 1)))) into 1.0
0.094 * [backup-simplify]: Simplify 1.0 into 1.0
0.095 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.096 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 1))) into 0
0.096 * [backup-simplify]: Simplify (- 0) into 0
0.096 * [backup-simplify]: Simplify (+ 0 0) into 0
0.097 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* -0.5 (/ 0 1)) (* 1.0 (/ 0 1)))) into 0
0.097 * [backup-simplify]: Simplify 0 into 0
0.097 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.098 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
0.098 * [backup-simplify]: Simplify (- 0) into 0
0.098 * [backup-simplify]: Simplify (+ 0 0) into 0
0.099 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* -0.5 (/ 0 1)) (* 1.0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.099 * [backup-simplify]: Simplify 0 into 0
0.100 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.100 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
0.101 * [backup-simplify]: Simplify (- 0) into 0
0.101 * [backup-simplify]: Simplify (+ 0 0) into 0
0.102 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* -0.5 (/ 0 1)) (* 1.0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.102 * [backup-simplify]: Simplify 0 into 0
0.102 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.103 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
0.103 * [backup-simplify]: Simplify (- 0) into 0
0.104 * [backup-simplify]: Simplify (+ 0 0) into 0
0.104 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* -0.5 (/ 0 1)) (* 1.0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.104 * [backup-simplify]: Simplify 0 into 0
0.105 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.106 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
0.106 * [backup-simplify]: Simplify (- 0) into 0
0.106 * [backup-simplify]: Simplify (+ 0 0) into 0
0.107 * [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
0.107 * [backup-simplify]: Simplify 0 into 0
0.107 * [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
0.108 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))))) into 0
0.109 * [backup-simplify]: Simplify (- 0) into 0
0.109 * [backup-simplify]: Simplify (+ 0 0) into 0
0.110 * [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
0.110 * [backup-simplify]: Simplify 0 into 0
0.110 * [backup-simplify]: Simplify (+ (* 1.0 (/ 1 (/ 1 x))) (* -0.5 (pow (/ 1 (/ 1 x)) 2))) into (- (* 1.0 x) (* 0.5 (pow x 2)))
0.110 * [backup-simplify]: Simplify (* (/ 1 (- x)) (- 1.0 (* (/ 1 (- x)) 0.5))) into (* -1 (/ (+ (* 0.5 (/ 1 x)) 1.0) x))
0.110 * [approximate]: Taking taylor expansion of (* -1 (/ (+ (* 0.5 (/ 1 x)) 1.0) x)) in (x) around 0
0.110 * [taylor]: Taking taylor expansion of (* -1 (/ (+ (* 0.5 (/ 1 x)) 1.0) x)) in x
0.110 * [taylor]: Taking taylor expansion of -1 in x
0.110 * [backup-simplify]: Simplify -1 into -1
0.110 * [taylor]: Taking taylor expansion of (/ (+ (* 0.5 (/ 1 x)) 1.0) x) in x
0.110 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 x)) 1.0) in x
0.110 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
0.110 * [taylor]: Taking taylor expansion of 0.5 in x
0.110 * [backup-simplify]: Simplify 0.5 into 0.5
0.110 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.110 * [taylor]: Taking taylor expansion of x in x
0.110 * [backup-simplify]: Simplify 0 into 0
0.110 * [backup-simplify]: Simplify 1 into 1
0.111 * [backup-simplify]: Simplify (/ 1 1) into 1
0.111 * [taylor]: Taking taylor expansion of 1.0 in x
0.111 * [backup-simplify]: Simplify 1.0 into 1.0
0.111 * [taylor]: Taking taylor expansion of x in x
0.111 * [backup-simplify]: Simplify 0 into 0
0.111 * [backup-simplify]: Simplify 1 into 1
0.111 * [backup-simplify]: Simplify (* 0.5 1) into 0.5
0.111 * [backup-simplify]: Simplify (+ 0.5 0) into 0.5
0.112 * [backup-simplify]: Simplify (/ 0.5 1) into 0.5
0.112 * [taylor]: Taking taylor expansion of (* -1 (/ (+ (* 0.5 (/ 1 x)) 1.0) x)) in x
0.112 * [taylor]: Taking taylor expansion of -1 in x
0.112 * [backup-simplify]: Simplify -1 into -1
0.112 * [taylor]: Taking taylor expansion of (/ (+ (* 0.5 (/ 1 x)) 1.0) x) in x
0.112 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 x)) 1.0) in x
0.112 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
0.112 * [taylor]: Taking taylor expansion of 0.5 in x
0.112 * [backup-simplify]: Simplify 0.5 into 0.5
0.112 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.112 * [taylor]: Taking taylor expansion of x in x
0.112 * [backup-simplify]: Simplify 0 into 0
0.112 * [backup-simplify]: Simplify 1 into 1
0.112 * [backup-simplify]: Simplify (/ 1 1) into 1
0.112 * [taylor]: Taking taylor expansion of 1.0 in x
0.112 * [backup-simplify]: Simplify 1.0 into 1.0
0.112 * [taylor]: Taking taylor expansion of x in x
0.112 * [backup-simplify]: Simplify 0 into 0
0.112 * [backup-simplify]: Simplify 1 into 1
0.112 * [backup-simplify]: Simplify (* 0.5 1) into 0.5
0.113 * [backup-simplify]: Simplify (+ 0.5 0) into 0.5
0.113 * [backup-simplify]: Simplify (/ 0.5 1) into 0.5
0.113 * [backup-simplify]: Simplify (* -1 0.5) into -0.5
0.113 * [backup-simplify]: Simplify -0.5 into -0.5
0.114 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.114 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 1)) into 0
0.115 * [backup-simplify]: Simplify (+ 0 1.0) into 1.0
0.116 * [backup-simplify]: Simplify (- (/ 1.0 1) (+ (* 0.5 (/ 0 1)))) into 1.0
0.117 * [backup-simplify]: Simplify (+ (* -1 1.0) (* 0 0.5)) into (- 1.0)
0.117 * [backup-simplify]: Simplify (- 1.0) into (- 1.0)
0.117 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.118 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 1))) into 0
0.118 * [backup-simplify]: Simplify (+ 0 0) into 0
0.119 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 0.5 (/ 0 1)) (* 1.0 (/ 0 1)))) into 0
0.119 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 1.0) (* 0 0.5))) into 0
0.120 * [backup-simplify]: Simplify 0 into 0
0.120 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.121 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
0.121 * [backup-simplify]: Simplify (+ 0 0) into 0
0.122 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 0.5 (/ 0 1)) (* 1.0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.122 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 1.0) (* 0 0.5)))) into 0
0.122 * [backup-simplify]: Simplify 0 into 0
0.123 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.124 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
0.124 * [backup-simplify]: Simplify (+ 0 0) into 0
0.125 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 0.5 (/ 0 1)) (* 1.0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.125 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1.0) (* 0 0.5))))) into 0
0.125 * [backup-simplify]: Simplify 0 into 0
0.126 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.127 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
0.127 * [backup-simplify]: Simplify (+ 0 0) into 0
0.128 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 0.5 (/ 0 1)) (* 1.0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.129 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1.0) (* 0 0.5)))))) into 0
0.129 * [backup-simplify]: Simplify 0 into 0
0.129 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.130 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
0.130 * [backup-simplify]: Simplify (+ 0 0) into 0
0.131 * [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
0.132 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1.0) (* 0 0.5))))))) into 0
0.132 * [backup-simplify]: Simplify 0 into 0
0.133 * [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
0.134 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))))) into 0
0.134 * [backup-simplify]: Simplify (+ 0 0) into 0
0.135 * [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
0.136 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1.0) (* 0 0.5)))))))) into 0
0.136 * [backup-simplify]: Simplify 0 into 0
0.136 * [backup-simplify]: Simplify (+ (* (- 1.0) (/ 1 (/ 1 (- x)))) (* -0.5 (pow (/ 1 (/ 1 (- x))) 2))) into (- (* 1.0 x) (* 0.5 (pow x 2)))
0.136 * * * [progress]: simplifying candidates
0.137 * [simplify]: Simplifying:
  (* x (- 1.0 (* x 0.5)))
  (+ (log x) (log (- 1.0 (* x 0.5))))
  (log (* x (- 1.0 (* x 0.5))))
  (exp (* x (- 1.0 (* x 0.5))))
  (* (* (* x x) x) (* (* (- 1.0 (* x 0.5)) (- 1.0 (* x 0.5))) (- 1.0 (* x 0.5))))
  (* (cbrt (* x (- 1.0 (* x 0.5)))) (cbrt (* x (- 1.0 (* x 0.5)))))
  (cbrt (* x (- 1.0 (* x 0.5))))
  (* (* (* x (- 1.0 (* x 0.5))) (* x (- 1.0 (* x 0.5)))) (* x (- 1.0 (* x 0.5))))
  (sqrt (* x (- 1.0 (* x 0.5))))
  (sqrt (* x (- 1.0 (* x 0.5))))
  (* (sqrt x) (sqrt (- 1.0 (* x 0.5))))
  (* (sqrt x) (sqrt (- 1.0 (* x 0.5))))
  (* x 1.0)
  (* x (- (* x 0.5)))
  (* x 1.0)
  (* x (- (* x 0.5)))
  (* 1.0 x)
  (* (- (* x 0.5)) x)
  (* 1.0 x)
  (* (- (* x 0.5)) x)
  (* x (* (cbrt (- 1.0 (* x 0.5))) (cbrt (- 1.0 (* x 0.5)))))
  (* x (sqrt (- 1.0 (* x 0.5))))
  (* x 1)
  (* (cbrt x) (- 1.0 (* x 0.5)))
  (* (sqrt x) (- 1.0 (* x 0.5)))
  (* x (- 1.0 (* x 0.5)))
  (* x (- (pow 1.0 3) (pow (* x 0.5) 3)))
  (* x (- (* 1.0 1.0) (* (* x 0.5) (* x 0.5))))
  (- (* 1.0 x) (* 0.5 (pow x 2)))
  (- (* 1.0 x) (* 0.5 (pow x 2)))
  (- (* 1.0 x) (* 0.5 (pow x 2)))
0.137 * * [simplify]: iteration 0: 51 enodes
0.149 * * [simplify]: iteration 1: 133 enodes
0.211 * * [simplify]: iteration 2: 569 enodes
1.104 * * [simplify]: iteration 3: 4580 enodes
2.312 * * [simplify]: iteration complete: 5000 enodes
2.312 * * [simplify]: Extracting #0: cost 21 inf + 0
2.314 * * [simplify]: Extracting #1: cost 522 inf + 1
2.323 * * [simplify]: Extracting #2: cost 1154 inf + 31233
2.368 * * [simplify]: Extracting #3: cost 619 inf + 171880
2.449 * * [simplify]: Extracting #4: cost 148 inf + 245173
2.505 * * [simplify]: Extracting #5: cost 7 inf + 262064
2.560 * * [simplify]: Extracting #6: cost 0 inf + 264243
2.617 * [simplify]: Simplified to:
  (* (- 1.0 (* x 0.5)) x)
  (log (* (- 1.0 (* x 0.5)) x))
  (log (* (- 1.0 (* x 0.5)) x))
  (exp (* (- 1.0 (* x 0.5)) x))
  (* (* (- 1.0 (* x 0.5)) x) (* (* x (- 1.0 (* x 0.5))) (* x (- 1.0 (* x 0.5)))))
  (* (cbrt (* (- 1.0 (* x 0.5)) x)) (cbrt (* (- 1.0 (* x 0.5)) x)))
  (cbrt (* (- 1.0 (* x 0.5)) x))
  (* (* (* (- 1.0 (* x 0.5)) x) (* (- 1.0 (* x 0.5)) x)) (* (- 1.0 (* x 0.5)) x))
  (sqrt (* (- 1.0 (* x 0.5)) x))
  (sqrt (* (- 1.0 (* x 0.5)) x))
  (* (sqrt x) (sqrt (- 1.0 (* x 0.5))))
  (* (sqrt x) (sqrt (- 1.0 (* x 0.5))))
  (* x 1.0)
  (* (* x 0.5) (- x))
  (* x 1.0)
  (* (* x 0.5) (- x))
  (* x 1.0)
  (* (* x x) (- 0.5))
  (* x 1.0)
  (* (* x x) (- 0.5))
  (* (* x (cbrt (- 1.0 (* x 0.5)))) (cbrt (- 1.0 (* x 0.5))))
  (* (sqrt (- 1.0 (* x 0.5))) x)
  x
  (* (cbrt x) (- 1.0 (* x 0.5)))
  (* (sqrt x) (- 1.0 (* x 0.5)))
  (* (- 1.0 (* x 0.5)) x)
  (* x (- (* 1.0 (* 1.0 1.0)) (* (* (* x 0.5) (* x 0.5)) (* x 0.5))))
  (* (* x (- 1.0 (* x 0.5))) (+ 1.0 (* x 0.5)))
  (* x (- 1.0 (* x 0.5)))
  (* x (- 1.0 (* x 0.5)))
  (* x (- 1.0 (* x 0.5)))
2.618 * * * [progress]: adding candidates to table
2.686 * * [progress]: iteration 2 / 4
2.686 * * * [progress]: picking best candidate
2.689 * * * * [pick]: Picked  #<alt (λ (x) (+ (* x 1.0) (* x (- (* x 0.5)))))>
2.689 * * * [progress]: localizing error
2.699 * * * [progress]: generating rewritten candidates
2.699 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
2.707 * * * [progress]: generating series expansions
2.707 * * * * [progress]: [ 1 / 1 ] generating series at (2)
2.707 * [backup-simplify]: Simplify (+ (* x 1.0) (* x (- (* x 0.5)))) into (- (* 1.0 x) (* 0.5 (pow x 2)))
2.707 * [approximate]: Taking taylor expansion of (- (* 1.0 x) (* 0.5 (pow x 2))) in (x) around 0
2.707 * [taylor]: Taking taylor expansion of (- (* 1.0 x) (* 0.5 (pow x 2))) in x
2.707 * [taylor]: Taking taylor expansion of (* 1.0 x) in x
2.707 * [taylor]: Taking taylor expansion of 1.0 in x
2.707 * [backup-simplify]: Simplify 1.0 into 1.0
2.707 * [taylor]: Taking taylor expansion of x in x
2.707 * [backup-simplify]: Simplify 0 into 0
2.707 * [backup-simplify]: Simplify 1 into 1
2.707 * [taylor]: Taking taylor expansion of (* 0.5 (pow x 2)) in x
2.707 * [taylor]: Taking taylor expansion of 0.5 in x
2.707 * [backup-simplify]: Simplify 0.5 into 0.5
2.707 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.707 * [taylor]: Taking taylor expansion of x in x
2.707 * [backup-simplify]: Simplify 0 into 0
2.707 * [backup-simplify]: Simplify 1 into 1
2.707 * [taylor]: Taking taylor expansion of (- (* 1.0 x) (* 0.5 (pow x 2))) in x
2.707 * [taylor]: Taking taylor expansion of (* 1.0 x) in x
2.707 * [taylor]: Taking taylor expansion of 1.0 in x
2.707 * [backup-simplify]: Simplify 1.0 into 1.0
2.708 * [taylor]: Taking taylor expansion of x in x
2.708 * [backup-simplify]: Simplify 0 into 0
2.708 * [backup-simplify]: Simplify 1 into 1
2.708 * [taylor]: Taking taylor expansion of (* 0.5 (pow x 2)) in x
2.708 * [taylor]: Taking taylor expansion of 0.5 in x
2.708 * [backup-simplify]: Simplify 0.5 into 0.5
2.708 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.708 * [taylor]: Taking taylor expansion of x in x
2.708 * [backup-simplify]: Simplify 0 into 0
2.708 * [backup-simplify]: Simplify 1 into 1
2.708 * [backup-simplify]: Simplify (* 1.0 0) into 0
2.708 * [backup-simplify]: Simplify (+ 0 0) into 0
2.708 * [backup-simplify]: Simplify 0 into 0
2.709 * [backup-simplify]: Simplify (+ (* 1.0 1) (* 0 0)) into 1.0
2.710 * [backup-simplify]: Simplify (+ 1.0 0) into 1.0
2.710 * [backup-simplify]: Simplify 1.0 into 1.0
2.710 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 1) (* 0 0))) into 0
2.711 * [backup-simplify]: Simplify (* 1 1) into 1
2.711 * [backup-simplify]: Simplify (* 0.5 1) into 0.5
2.711 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
2.712 * [backup-simplify]: Simplify (+ 0 (- 0.5)) into (- 0.5)
2.712 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
2.713 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))) into 0
2.713 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
2.713 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 1)) into 0
2.714 * [backup-simplify]: Simplify (- 0) into 0
2.714 * [backup-simplify]: Simplify (+ 0 0) into 0
2.714 * [backup-simplify]: Simplify 0 into 0
2.715 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0))))) into 0
2.715 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
2.716 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 1))) into 0
2.716 * [backup-simplify]: Simplify (- 0) into 0
2.716 * [backup-simplify]: Simplify (+ 0 0) into 0
2.716 * [backup-simplify]: Simplify 0 into 0
2.717 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))))) into 0
2.718 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
2.718 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
2.719 * [backup-simplify]: Simplify (- 0) into 0
2.719 * [backup-simplify]: Simplify (+ 0 0) into 0
2.719 * [backup-simplify]: Simplify 0 into 0
2.720 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0))))))) into 0
2.720 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
2.721 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
2.721 * [backup-simplify]: Simplify (- 0) into 0
2.722 * [backup-simplify]: Simplify (+ 0 0) into 0
2.722 * [backup-simplify]: Simplify 0 into 0
2.723 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))))))) into 0
2.723 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
2.724 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
2.725 * [backup-simplify]: Simplify (- 0) into 0
2.725 * [backup-simplify]: Simplify (+ 0 0) into 0
2.725 * [backup-simplify]: Simplify 0 into 0
2.726 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0))))))))) into 0
2.727 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
2.728 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
2.728 * [backup-simplify]: Simplify (- 0) into 0
2.729 * [backup-simplify]: Simplify (+ 0 0) into 0
2.729 * [backup-simplify]: Simplify 0 into 0
2.729 * [backup-simplify]: Simplify (+ (* (- 0.5) (pow x 2)) (* 1.0 x)) into (- (* 1.0 x) (* 0.5 (pow x 2)))
2.729 * [backup-simplify]: Simplify (+ (* (/ 1 x) 1.0) (* (/ 1 x) (- (* (/ 1 x) 0.5)))) into (- (* 1.0 (/ 1 x)) (* 0.5 (/ 1 (pow x 2))))
2.729 * [approximate]: Taking taylor expansion of (- (* 1.0 (/ 1 x)) (* 0.5 (/ 1 (pow x 2)))) in (x) around 0
2.729 * [taylor]: Taking taylor expansion of (- (* 1.0 (/ 1 x)) (* 0.5 (/ 1 (pow x 2)))) in x
2.729 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 x)) in x
2.729 * [taylor]: Taking taylor expansion of 1.0 in x
2.729 * [backup-simplify]: Simplify 1.0 into 1.0
2.729 * [taylor]: Taking taylor expansion of (/ 1 x) in x
2.729 * [taylor]: Taking taylor expansion of x in x
2.729 * [backup-simplify]: Simplify 0 into 0
2.729 * [backup-simplify]: Simplify 1 into 1
2.730 * [backup-simplify]: Simplify (/ 1 1) into 1
2.730 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 (pow x 2))) in x
2.730 * [taylor]: Taking taylor expansion of 0.5 in x
2.730 * [backup-simplify]: Simplify 0.5 into 0.5
2.730 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
2.730 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.730 * [taylor]: Taking taylor expansion of x in x
2.730 * [backup-simplify]: Simplify 0 into 0
2.730 * [backup-simplify]: Simplify 1 into 1
2.730 * [backup-simplify]: Simplify (* 1 1) into 1
2.730 * [backup-simplify]: Simplify (/ 1 1) into 1
2.730 * [taylor]: Taking taylor expansion of (- (* 1.0 (/ 1 x)) (* 0.5 (/ 1 (pow x 2)))) in x
2.730 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 x)) in x
2.730 * [taylor]: Taking taylor expansion of 1.0 in x
2.730 * [backup-simplify]: Simplify 1.0 into 1.0
2.730 * [taylor]: Taking taylor expansion of (/ 1 x) in x
2.730 * [taylor]: Taking taylor expansion of x in x
2.730 * [backup-simplify]: Simplify 0 into 0
2.730 * [backup-simplify]: Simplify 1 into 1
2.731 * [backup-simplify]: Simplify (/ 1 1) into 1
2.731 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 (pow x 2))) in x
2.731 * [taylor]: Taking taylor expansion of 0.5 in x
2.731 * [backup-simplify]: Simplify 0.5 into 0.5
2.731 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
2.731 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.731 * [taylor]: Taking taylor expansion of x in x
2.731 * [backup-simplify]: Simplify 0 into 0
2.731 * [backup-simplify]: Simplify 1 into 1
2.731 * [backup-simplify]: Simplify (* 1 1) into 1
2.731 * [backup-simplify]: Simplify (/ 1 1) into 1
2.732 * [backup-simplify]: Simplify (* 0.5 1) into 0.5
2.732 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
2.733 * [backup-simplify]: Simplify (+ 0 (- 0.5)) into (- 0.5)
2.733 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
2.734 * [backup-simplify]: Simplify (* 1.0 1) into 1.0
2.735 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
2.735 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
2.736 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 1)) into 0
2.736 * [backup-simplify]: Simplify (- 0) into 0
2.737 * [backup-simplify]: Simplify (+ 1.0 0) into 1.0
2.737 * [backup-simplify]: Simplify 1.0 into 1.0
2.738 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
2.738 * [backup-simplify]: Simplify (+ (* 1.0 0) (* 0 1)) into 0
2.739 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
2.740 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
2.741 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 1))) into 0
2.742 * [backup-simplify]: Simplify (- 0) into 0
2.742 * [backup-simplify]: Simplify (+ 0 0) into 0
2.742 * [backup-simplify]: Simplify 0 into 0
2.743 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
2.744 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (* 0 1))) into 0
2.745 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
2.746 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
2.747 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
2.747 * [backup-simplify]: Simplify (- 0) into 0
2.748 * [backup-simplify]: Simplify (+ 0 0) into 0
2.748 * [backup-simplify]: Simplify 0 into 0
2.749 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
2.750 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
2.751 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
2.752 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
2.753 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
2.754 * [backup-simplify]: Simplify (- 0) into 0
2.754 * [backup-simplify]: Simplify (+ 0 0) into 0
2.754 * [backup-simplify]: Simplify 0 into 0
2.755 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
2.756 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
2.757 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
2.757 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
2.758 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
2.758 * [backup-simplify]: Simplify (- 0) into 0
2.759 * [backup-simplify]: Simplify (+ 0 0) into 0
2.759 * [backup-simplify]: Simplify 0 into 0
2.759 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
2.760 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
2.761 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
2.761 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
2.762 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
2.762 * [backup-simplify]: Simplify (- 0) into 0
2.763 * [backup-simplify]: Simplify (+ 0 0) into 0
2.763 * [backup-simplify]: Simplify 0 into 0
2.763 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
2.764 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
2.765 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))))) into 0
2.769 * [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
2.770 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))))) into 0
2.770 * [backup-simplify]: Simplify (- 0) into 0
2.770 * [backup-simplify]: Simplify (+ 0 0) into 0
2.770 * [backup-simplify]: Simplify 0 into 0
2.771 * [backup-simplify]: Simplify (+ (* 1.0 (/ 1 (/ 1 x))) (* (- 0.5) (pow (/ 1 (/ 1 x)) 2))) into (- (* 1.0 x) (* 0.5 (pow x 2)))
2.771 * [backup-simplify]: Simplify (+ (* (/ 1 (- x)) 1.0) (* (/ 1 (- x)) (- (* (/ 1 (- x)) 0.5)))) into (- (+ (* 0.5 (/ 1 (pow x 2))) (* 1.0 (/ 1 x))))
2.771 * [approximate]: Taking taylor expansion of (- (+ (* 0.5 (/ 1 (pow x 2))) (* 1.0 (/ 1 x)))) in (x) around 0
2.771 * [taylor]: Taking taylor expansion of (- (+ (* 0.5 (/ 1 (pow x 2))) (* 1.0 (/ 1 x)))) in x
2.771 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 (pow x 2))) (* 1.0 (/ 1 x))) in x
2.771 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 (pow x 2))) in x
2.771 * [taylor]: Taking taylor expansion of 0.5 in x
2.771 * [backup-simplify]: Simplify 0.5 into 0.5
2.771 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
2.771 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.771 * [taylor]: Taking taylor expansion of x in x
2.771 * [backup-simplify]: Simplify 0 into 0
2.771 * [backup-simplify]: Simplify 1 into 1
2.772 * [backup-simplify]: Simplify (* 1 1) into 1
2.772 * [backup-simplify]: Simplify (/ 1 1) into 1
2.772 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 x)) in x
2.772 * [taylor]: Taking taylor expansion of 1.0 in x
2.772 * [backup-simplify]: Simplify 1.0 into 1.0
2.772 * [taylor]: Taking taylor expansion of (/ 1 x) in x
2.772 * [taylor]: Taking taylor expansion of x in x
2.772 * [backup-simplify]: Simplify 0 into 0
2.772 * [backup-simplify]: Simplify 1 into 1
2.772 * [backup-simplify]: Simplify (/ 1 1) into 1
2.772 * [taylor]: Taking taylor expansion of (- (+ (* 0.5 (/ 1 (pow x 2))) (* 1.0 (/ 1 x)))) in x
2.772 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 (pow x 2))) (* 1.0 (/ 1 x))) in x
2.772 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 (pow x 2))) in x
2.772 * [taylor]: Taking taylor expansion of 0.5 in x
2.772 * [backup-simplify]: Simplify 0.5 into 0.5
2.772 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x
2.772 * [taylor]: Taking taylor expansion of (pow x 2) in x
2.772 * [taylor]: Taking taylor expansion of x in x
2.772 * [backup-simplify]: Simplify 0 into 0
2.772 * [backup-simplify]: Simplify 1 into 1
2.773 * [backup-simplify]: Simplify (* 1 1) into 1
2.773 * [backup-simplify]: Simplify (/ 1 1) into 1
2.773 * [taylor]: Taking taylor expansion of (* 1.0 (/ 1 x)) in x
2.773 * [taylor]: Taking taylor expansion of 1.0 in x
2.773 * [backup-simplify]: Simplify 1.0 into 1.0
2.773 * [taylor]: Taking taylor expansion of (/ 1 x) in x
2.773 * [taylor]: Taking taylor expansion of x in x
2.773 * [backup-simplify]: Simplify 0 into 0
2.773 * [backup-simplify]: Simplify 1 into 1
2.773 * [backup-simplify]: Simplify (/ 1 1) into 1
2.773 * [backup-simplify]: Simplify (* 0.5 1) into 0.5
2.774 * [backup-simplify]: Simplify (+ 0.5 0) into 0.5
2.774 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
2.774 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
2.775 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0
2.775 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
2.775 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 1)) into 0
2.776 * [backup-simplify]: Simplify (* 1.0 1) into 1.0
2.776 * [backup-simplify]: Simplify (+ 0 1.0) into 1.0
2.776 * [backup-simplify]: Simplify (- 1.0) into (- 1.0)
2.777 * [backup-simplify]: Simplify (- 1.0) into (- 1.0)
2.777 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0
2.778 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
2.778 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 1))) into 0
2.779 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
2.779 * [backup-simplify]: Simplify (+ (* 1.0 0) (* 0 1)) into 0
2.779 * [backup-simplify]: Simplify (+ 0 0) into 0
2.780 * [backup-simplify]: Simplify (- 0) into 0
2.780 * [backup-simplify]: Simplify 0 into 0
2.780 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
2.781 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
2.781 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
2.782 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
2.782 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (* 0 1))) into 0
2.783 * [backup-simplify]: Simplify (+ 0 0) into 0
2.783 * [backup-simplify]: Simplify (- 0) into 0
2.783 * [backup-simplify]: Simplify 0 into 0
2.784 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
2.784 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
2.785 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
2.785 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
2.786 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0
2.786 * [backup-simplify]: Simplify (+ 0 0) into 0
2.787 * [backup-simplify]: Simplify (- 0) into 0
2.787 * [backup-simplify]: Simplify 0 into 0
2.787 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
2.788 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
2.789 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
2.789 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
2.790 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0
2.790 * [backup-simplify]: Simplify (+ 0 0) into 0
2.790 * [backup-simplify]: Simplify (- 0) into 0
2.790 * [backup-simplify]: Simplify 0 into 0
2.791 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
2.792 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
2.794 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
2.795 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
2.796 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))) into 0
2.797 * [backup-simplify]: Simplify (+ 0 0) into 0
2.797 * [backup-simplify]: Simplify (- 0) into 0
2.797 * [backup-simplify]: Simplify 0 into 0
2.799 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))))) into 0
2.800 * [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
2.801 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))))))) into 0
2.801 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
2.802 * [backup-simplify]: Simplify (+ (* 1.0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))))) into 0
2.802 * [backup-simplify]: Simplify (+ 0 0) into 0
2.802 * [backup-simplify]: Simplify (- 0) into 0
2.802 * [backup-simplify]: Simplify 0 into 0
2.803 * [backup-simplify]: Simplify (+ (* (- 1.0) (/ 1 (/ 1 (- x)))) (* (- 0.5) (pow (/ 1 (/ 1 (- x))) 2))) into (- (* 1.0 x) (* 0.5 (pow x 2)))
2.803 * * * [progress]: simplifying candidates
2.804 * [simplify]: Simplifying:
  (* (exp (* x 1.0)) (exp (* x (- (* x 0.5)))))
  (log (+ (* x 1.0) (* x (- (* x 0.5)))))
  (exp (+ (* x 1.0) (* x (- (* x 0.5)))))
  (* (cbrt (+ (* x 1.0) (* x (- (* x 0.5))))) (cbrt (+ (* x 1.0) (* x (- (* x 0.5))))))
  (cbrt (+ (* x 1.0) (* x (- (* x 0.5)))))
  (* (* (+ (* x 1.0) (* x (- (* x 0.5)))) (+ (* x 1.0) (* x (- (* x 0.5))))) (+ (* x 1.0) (* x (- (* x 0.5)))))
  (sqrt (+ (* x 1.0) (* x (- (* x 0.5)))))
  (sqrt (+ (* x 1.0) (* x (- (* x 0.5)))))
  (+ (pow (* x 1.0) 3) (pow (* x (- (* x 0.5))) 3))
  (+ (* (* x 1.0) (* x 1.0)) (- (* (* x (- (* x 0.5))) (* x (- (* x 0.5)))) (* (* x 1.0) (* x (- (* x 0.5))))))
  (- (* (* x 1.0) (* x 1.0)) (* (* x (- (* x 0.5))) (* x (- (* x 0.5)))))
  (- (* x 1.0) (* x (- (* x 0.5))))
  (+ 1.0 (- (* x 0.5)))
  (- (* 1.0 x) (* 0.5 (pow x 2)))
  (- (* 1.0 x) (* 0.5 (pow x 2)))
  (- (* 1.0 x) (* 0.5 (pow x 2)))
2.804 * * [simplify]: iteration 0: 35 enodes
2.811 * * [simplify]: iteration 1: 118 enodes
2.885 * * [simplify]: iteration 2: 639 enodes
3.172 * * [simplify]: iteration complete: 5001 enodes
3.172 * * [simplify]: Extracting #0: cost 12 inf + 0
3.172 * * [simplify]: Extracting #1: cost 207 inf + 0
3.176 * * [simplify]: Extracting #2: cost 1481 inf + 258
3.187 * * [simplify]: Extracting #3: cost 1769 inf + 52350
3.292 * * [simplify]: Extracting #4: cost 242 inf + 342838
3.401 * * [simplify]: Extracting #5: cost 10 inf + 392303
3.525 * * [simplify]: Extracting #6: cost 0 inf + 395628
3.631 * [simplify]: Simplified to:
  (exp (* x (- 1.0 (* 0.5 x))))
  (log (* x (- 1.0 (* 0.5 x))))
  (exp (* x (- 1.0 (* 0.5 x))))
  (* (cbrt (* x (- 1.0 (* 0.5 x)))) (cbrt (* x (- 1.0 (* 0.5 x)))))
  (cbrt (* x (- 1.0 (* 0.5 x))))
  (* (* x (- 1.0 (* 0.5 x))) (* (* x (- 1.0 (* 0.5 x))) (* x (- 1.0 (* 0.5 x)))))
  (sqrt (* x (- 1.0 (* 0.5 x))))
  (sqrt (* x (- 1.0 (* 0.5 x))))
  (+ (* (* x (* 0.5 x)) (- (* (* x (* 0.5 x)) (* x (* 0.5 x))))) (* (* x 1.0) (* (* x 1.0) (* x 1.0))))
  (+ (* (* x (* 0.5 x)) (* x (* 0.5 x))) (* (* x 1.0) (+ (* x (* 0.5 x)) (* x 1.0))))
  (- (* (* x 1.0) (* x 1.0)) (* (* x (* 0.5 x)) (* x (* 0.5 x))))
  (* x (+ 1.0 (* 0.5 x)))
  (- 1.0 (* 0.5 x))
  (* x (- 1.0 (* 0.5 x)))
  (* x (- 1.0 (* 0.5 x)))
  (* x (- 1.0 (* 0.5 x)))
3.632 * * * [progress]: adding candidates to table
3.712 * [progress]: [Phase 3 of 3] Extracting.
3.713 * * [regime]: Finding splitpoints for: (#<alt (λ (x) (* x (- 1.0 (* x 0.5))))> #<alt (λ (x) (+ (* x 1.0) (* x (- (* x 0.5)))))>)
3.713 * * * [regime-changes]: Trying 2 branch expressions: ((* x (- 1.0 (* x 0.5))) x)
3.713 * * * * [regimes]: Trying to branch on (* x (- 1.0 (* x 0.5))) from (#<alt (λ (x) (* x (- 1.0 (* x 0.5))))> #<alt (λ (x) (+ (* x 1.0) (* x (- (* x 0.5)))))>)
3.740 * * * * [regimes]: Trying to branch on x from (#<alt (λ (x) (* x (- 1.0 (* x 0.5))))> #<alt (λ (x) (+ (* x 1.0) (* x (- (* x 0.5)))))>)
3.765 * * * [regime]: Found split indices: #<option (#s(si 0 255))>
3.765 * [simplify]: Simplifying:
  (* x (- 1.0 (* x 0.5)))
3.765 * * [simplify]: iteration 0: 6 enodes
3.766 * * [simplify]: iteration 1: 8 enodes
3.766 * * [simplify]: iteration complete: 8 enodes
3.766 * * [simplify]: Extracting #0: cost 1 inf + 0
3.766 * * [simplify]: Extracting #1: cost 3 inf + 0
3.766 * * [simplify]: Extracting #2: cost 4 inf + 1
3.766 * * [simplify]: Extracting #3: cost 4 inf + 2
3.766 * * [simplify]: Extracting #4: cost 0 inf + 251
3.766 * [simplify]: Simplified to:
  (* (- 1.0 (* x 0.5)) x)
4.774 * [regime-testing]: Baseline error score: 0.01050131266408301
4.792 * [regime-testing]: Oracle error score: 0.0006250781347668458
4.828 * [regime-testing]: End program error score: 0.01050131266408301