16.367 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.033 * * * [progress]: [2/2] Setting up program.
0.040 * [progress]: [Phase 2 of 3] Improving.
0.040 * [simplify]: Simplifying:
  (+ (+ (/ x 2.0) (* y x)) z)
0.040 * * [simplify]: iteration 0: 8 enodes
0.042 * * [simplify]: iteration 1: 13 enodes
0.046 * * [simplify]: iteration 2: 23 enodes
0.051 * * [simplify]: iteration 3: 28 enodes
0.057 * * [simplify]: iteration complete: 28 enodes
0.057 * * [simplify]: Extracting #0: cost 1 inf + 0
0.057 * * [simplify]: Extracting #1: cost 9 inf + 0
0.057 * * [simplify]: Extracting #2: cost 7 inf + 3
0.057 * * [simplify]: Extracting #3: cost 4 inf + 104
0.057 * * [simplify]: Extracting #4: cost 1 inf + 383
0.058 * * [simplify]: Extracting #5: cost 0 inf + 466
0.058 * [simplify]: Simplified to:
  (+ (fma y x (/ x 2.0)) z)
0.068 * * [progress]: iteration 1 / 4
0.068 * * * [progress]: picking best candidate
0.076 * * * * [pick]: Picked  #<alt (λ (x y z) (+ (fma y x (/ x 2.0)) z))>
0.076 * * * [progress]: localizing error
0.094 * * * [progress]: generating rewritten candidates
0.094 * * * * [progress]: [ 1 / 1 ] rewriting at (2)
0.103 * * * [progress]: generating series expansions
0.103 * * * * [progress]: [ 1 / 1 ] generating series at (2)
0.103 * [backup-simplify]: Simplify (+ (fma y x (/ x 2.0)) z) into (+ (fma y x (* 0.5 x)) z)
0.104 * [approximate]: Taking taylor expansion of (+ (fma y x (* 0.5 x)) z) in (y x z) around 0
0.104 * [taylor]: Taking taylor expansion of (+ (fma y x (* 0.5 x)) z) in z
0.104 * [taylor]: Taking taylor expansion of (fma y x (* 0.5 x)) in z
0.104 * [taylor]: Rewrote expression to (+ (* y x) (* 0.5 x))
0.104 * [taylor]: Taking taylor expansion of (* y x) in z
0.104 * [taylor]: Taking taylor expansion of y in z
0.104 * [backup-simplify]: Simplify y into y
0.104 * [taylor]: Taking taylor expansion of x in z
0.104 * [backup-simplify]: Simplify x into x
0.104 * [taylor]: Taking taylor expansion of (* 0.5 x) in z
0.104 * [taylor]: Taking taylor expansion of 0.5 in z
0.104 * [backup-simplify]: Simplify 0.5 into 0.5
0.104 * [taylor]: Taking taylor expansion of x in z
0.104 * [backup-simplify]: Simplify x into x
0.104 * [taylor]: Taking taylor expansion of z in z
0.104 * [backup-simplify]: Simplify 0 into 0
0.104 * [backup-simplify]: Simplify 1 into 1
0.104 * [taylor]: Taking taylor expansion of (+ (fma y x (* 0.5 x)) z) in x
0.104 * [taylor]: Taking taylor expansion of (fma y x (* 0.5 x)) in x
0.104 * [taylor]: Rewrote expression to (+ (* y x) (* 0.5 x))
0.104 * [taylor]: Taking taylor expansion of (* y x) in x
0.104 * [taylor]: Taking taylor expansion of y in x
0.104 * [backup-simplify]: Simplify y into y
0.104 * [taylor]: Taking taylor expansion of x in x
0.104 * [backup-simplify]: Simplify 0 into 0
0.104 * [backup-simplify]: Simplify 1 into 1
0.104 * [taylor]: Taking taylor expansion of (* 0.5 x) in x
0.105 * [taylor]: Taking taylor expansion of 0.5 in x
0.105 * [backup-simplify]: Simplify 0.5 into 0.5
0.105 * [taylor]: Taking taylor expansion of x in x
0.105 * [backup-simplify]: Simplify 0 into 0
0.105 * [backup-simplify]: Simplify 1 into 1
0.105 * [taylor]: Taking taylor expansion of z in x
0.105 * [backup-simplify]: Simplify z into z
0.105 * [taylor]: Taking taylor expansion of (+ (fma y x (* 0.5 x)) z) in y
0.105 * [taylor]: Taking taylor expansion of (fma y x (* 0.5 x)) in y
0.105 * [taylor]: Rewrote expression to (+ (* y x) (* 0.5 x))
0.105 * [taylor]: Taking taylor expansion of (* y x) in y
0.105 * [taylor]: Taking taylor expansion of y in y
0.105 * [backup-simplify]: Simplify 0 into 0
0.105 * [backup-simplify]: Simplify 1 into 1
0.105 * [taylor]: Taking taylor expansion of x in y
0.105 * [backup-simplify]: Simplify x into x
0.105 * [taylor]: Taking taylor expansion of (* 0.5 x) in y
0.105 * [taylor]: Taking taylor expansion of 0.5 in y
0.105 * [backup-simplify]: Simplify 0.5 into 0.5
0.105 * [taylor]: Taking taylor expansion of x in y
0.105 * [backup-simplify]: Simplify x into x
0.105 * [taylor]: Taking taylor expansion of z in y
0.105 * [backup-simplify]: Simplify z into z
0.105 * [taylor]: Taking taylor expansion of (+ (fma y x (* 0.5 x)) z) in y
0.105 * [taylor]: Taking taylor expansion of (fma y x (* 0.5 x)) in y
0.105 * [taylor]: Rewrote expression to (+ (* y x) (* 0.5 x))
0.105 * [taylor]: Taking taylor expansion of (* y x) in y
0.105 * [taylor]: Taking taylor expansion of y in y
0.106 * [backup-simplify]: Simplify 0 into 0
0.106 * [backup-simplify]: Simplify 1 into 1
0.106 * [taylor]: Taking taylor expansion of x in y
0.106 * [backup-simplify]: Simplify x into x
0.106 * [taylor]: Taking taylor expansion of (* 0.5 x) in y
0.106 * [taylor]: Taking taylor expansion of 0.5 in y
0.106 * [backup-simplify]: Simplify 0.5 into 0.5
0.106 * [taylor]: Taking taylor expansion of x in y
0.106 * [backup-simplify]: Simplify x into x
0.106 * [taylor]: Taking taylor expansion of z in y
0.106 * [backup-simplify]: Simplify z into z
0.106 * [backup-simplify]: Simplify (* 0 x) into 0
0.106 * [backup-simplify]: Simplify (* 0.5 x) into (* 0.5 x)
0.106 * [backup-simplify]: Simplify (+ 0 (* 0.5 x)) into (* 0.5 x)
0.106 * [backup-simplify]: Simplify (+ (* 0.5 x) z) into (+ (* 0.5 x) z)
0.106 * [taylor]: Taking taylor expansion of (+ (* 0.5 x) z) in x
0.106 * [taylor]: Taking taylor expansion of (* 0.5 x) in x
0.106 * [taylor]: Taking taylor expansion of 0.5 in x
0.106 * [backup-simplify]: Simplify 0.5 into 0.5
0.106 * [taylor]: Taking taylor expansion of x in x
0.106 * [backup-simplify]: Simplify 0 into 0
0.106 * [backup-simplify]: Simplify 1 into 1
0.106 * [taylor]: Taking taylor expansion of z in x
0.106 * [backup-simplify]: Simplify z into z
0.107 * [backup-simplify]: Simplify (* 0.5 0) into 0
0.107 * [backup-simplify]: Simplify (+ 0 z) into z
0.107 * [taylor]: Taking taylor expansion of z in z
0.107 * [backup-simplify]: Simplify 0 into 0
0.107 * [backup-simplify]: Simplify 1 into 1
0.107 * [backup-simplify]: Simplify 0 into 0
0.108 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 x)) into x
0.108 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 x)) into 0
0.108 * [backup-simplify]: Simplify (+ x 0) into x
0.108 * [backup-simplify]: Simplify (+ x 0) into x
0.108 * [taylor]: Taking taylor expansion of x in x
0.108 * [backup-simplify]: Simplify 0 into 0
0.108 * [backup-simplify]: Simplify 1 into 1
0.108 * [taylor]: Taking taylor expansion of 0 in z
0.108 * [backup-simplify]: Simplify 0 into 0
0.109 * [backup-simplify]: Simplify 0 into 0
0.110 * [backup-simplify]: Simplify (+ (* 0.5 1) (* 0 0)) into 0.5
0.110 * [backup-simplify]: Simplify (+ 0.5 0) into 0.5
0.111 * [taylor]: Taking taylor expansion of 0.5 in z
0.111 * [backup-simplify]: Simplify 0.5 into 0.5
0.111 * [backup-simplify]: Simplify 0.5 into 0.5
0.111 * [backup-simplify]: Simplify 1 into 1
0.112 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (* 0 x))) into 0
0.113 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 x))) into 0
0.113 * [backup-simplify]: Simplify (+ 0 0) into 0
0.113 * [backup-simplify]: Simplify (+ 0 0) into 0
0.113 * [taylor]: Taking taylor expansion of 0 in x
0.113 * [backup-simplify]: Simplify 0 into 0
0.113 * [taylor]: Taking taylor expansion of 0 in z
0.114 * [backup-simplify]: Simplify 0 into 0
0.114 * [backup-simplify]: Simplify 0 into 0
0.114 * [taylor]: Taking taylor expansion of 1 in z
0.114 * [backup-simplify]: Simplify 1 into 1
0.114 * [backup-simplify]: Simplify 1 into 1
0.114 * [backup-simplify]: Simplify (+ (* 1 (* 1 (* x y))) (+ (* 1 (* z (* 1 1))) (* 0.5 (* 1 (* x 1))))) into (+ (* 0.5 x) (+ z (* x y)))
0.115 * [backup-simplify]: Simplify (+ (fma (/ 1 y) (/ 1 x) (/ (/ 1 x) 2.0)) (/ 1 z)) into (+ (fma (/ 1 y) (/ 1 x) (/ 0.5 x)) (/ 1 z))
0.115 * [approximate]: Taking taylor expansion of (+ (fma (/ 1 y) (/ 1 x) (/ 0.5 x)) (/ 1 z)) in (y x z) around 0
0.115 * [taylor]: Taking taylor expansion of (+ (fma (/ 1 y) (/ 1 x) (/ 0.5 x)) (/ 1 z)) in z
0.115 * [taylor]: Taking taylor expansion of (fma (/ 1 y) (/ 1 x) (/ 0.5 x)) in z
0.115 * [taylor]: Rewrote expression to (+ (* (/ 1 y) (/ 1 x)) (/ 0.5 x))
0.115 * [taylor]: Taking taylor expansion of (* (/ 1 y) (/ 1 x)) in z
0.115 * [taylor]: Taking taylor expansion of (/ 1 y) in z
0.115 * [taylor]: Taking taylor expansion of y in z
0.115 * [backup-simplify]: Simplify y into y
0.115 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
0.115 * [taylor]: Taking taylor expansion of (/ 1 x) in z
0.115 * [taylor]: Taking taylor expansion of x in z
0.115 * [backup-simplify]: Simplify x into x
0.115 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
0.115 * [taylor]: Taking taylor expansion of (/ 0.5 x) in z
0.115 * [taylor]: Taking taylor expansion of 0.5 in z
0.115 * [backup-simplify]: Simplify 0.5 into 0.5
0.115 * [taylor]: Taking taylor expansion of x in z
0.115 * [backup-simplify]: Simplify x into x
0.115 * [backup-simplify]: Simplify (/ 0.5 x) into (/ 0.5 x)
0.115 * [taylor]: Taking taylor expansion of (/ 1 z) in z
0.116 * [taylor]: Taking taylor expansion of z in z
0.116 * [backup-simplify]: Simplify 0 into 0
0.116 * [backup-simplify]: Simplify 1 into 1
0.116 * [backup-simplify]: Simplify (/ 1 1) into 1
0.116 * [taylor]: Taking taylor expansion of (+ (fma (/ 1 y) (/ 1 x) (/ 0.5 x)) (/ 1 z)) in x
0.116 * [taylor]: Taking taylor expansion of (fma (/ 1 y) (/ 1 x) (/ 0.5 x)) in x
0.116 * [taylor]: Rewrote expression to (+ (* (/ 1 y) (/ 1 x)) (/ 0.5 x))
0.116 * [taylor]: Taking taylor expansion of (* (/ 1 y) (/ 1 x)) in x
0.116 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.116 * [taylor]: Taking taylor expansion of y in x
0.116 * [backup-simplify]: Simplify y into y
0.116 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y)
0.116 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.116 * [taylor]: Taking taylor expansion of x in x
0.116 * [backup-simplify]: Simplify 0 into 0
0.116 * [backup-simplify]: Simplify 1 into 1
0.117 * [backup-simplify]: Simplify (/ 1 1) into 1
0.117 * [taylor]: Taking taylor expansion of (/ 0.5 x) in x
0.117 * [taylor]: Taking taylor expansion of 0.5 in x
0.117 * [backup-simplify]: Simplify 0.5 into 0.5
0.117 * [taylor]: Taking taylor expansion of x in x
0.117 * [backup-simplify]: Simplify 0 into 0
0.117 * [backup-simplify]: Simplify 1 into 1
0.117 * [backup-simplify]: Simplify (/ 0.5 1) into 0.5
0.118 * [taylor]: Taking taylor expansion of (/ 1 z) in x
0.118 * [taylor]: Taking taylor expansion of z in x
0.118 * [backup-simplify]: Simplify z into z
0.118 * [backup-simplify]: Simplify (/ 1 z) into (/ 1 z)
0.118 * [taylor]: Taking taylor expansion of (+ (fma (/ 1 y) (/ 1 x) (/ 0.5 x)) (/ 1 z)) in y
0.118 * [taylor]: Taking taylor expansion of (fma (/ 1 y) (/ 1 x) (/ 0.5 x)) in y
0.118 * [taylor]: Rewrote expression to (+ (* (/ 1 y) (/ 1 x)) (/ 0.5 x))
0.118 * [taylor]: Taking taylor expansion of (* (/ 1 y) (/ 1 x)) in y
0.118 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.118 * [taylor]: Taking taylor expansion of y in y
0.118 * [backup-simplify]: Simplify 0 into 0
0.118 * [backup-simplify]: Simplify 1 into 1
0.118 * [backup-simplify]: Simplify (/ 1 1) into 1
0.118 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.118 * [taylor]: Taking taylor expansion of x in y
0.118 * [backup-simplify]: Simplify x into x
0.119 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
0.119 * [taylor]: Taking taylor expansion of (/ 0.5 x) in y
0.119 * [taylor]: Taking taylor expansion of 0.5 in y
0.119 * [backup-simplify]: Simplify 0.5 into 0.5
0.119 * [taylor]: Taking taylor expansion of x in y
0.119 * [backup-simplify]: Simplify x into x
0.119 * [backup-simplify]: Simplify (/ 0.5 x) into (/ 0.5 x)
0.119 * [taylor]: Taking taylor expansion of (/ 1 z) in y
0.119 * [taylor]: Taking taylor expansion of z in y
0.119 * [backup-simplify]: Simplify z into z
0.119 * [backup-simplify]: Simplify (/ 1 z) into (/ 1 z)
0.119 * [taylor]: Taking taylor expansion of (+ (fma (/ 1 y) (/ 1 x) (/ 0.5 x)) (/ 1 z)) in y
0.119 * [taylor]: Taking taylor expansion of (fma (/ 1 y) (/ 1 x) (/ 0.5 x)) in y
0.119 * [taylor]: Rewrote expression to (+ (* (/ 1 y) (/ 1 x)) (/ 0.5 x))
0.119 * [taylor]: Taking taylor expansion of (* (/ 1 y) (/ 1 x)) in y
0.119 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.119 * [taylor]: Taking taylor expansion of y in y
0.119 * [backup-simplify]: Simplify 0 into 0
0.119 * [backup-simplify]: Simplify 1 into 1
0.120 * [backup-simplify]: Simplify (/ 1 1) into 1
0.120 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.120 * [taylor]: Taking taylor expansion of x in y
0.120 * [backup-simplify]: Simplify x into x
0.120 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x)
0.120 * [taylor]: Taking taylor expansion of (/ 0.5 x) in y
0.120 * [taylor]: Taking taylor expansion of 0.5 in y
0.120 * [backup-simplify]: Simplify 0.5 into 0.5
0.120 * [taylor]: Taking taylor expansion of x in y
0.120 * [backup-simplify]: Simplify x into x
0.120 * [backup-simplify]: Simplify (/ 0.5 x) into (/ 0.5 x)
0.120 * [taylor]: Taking taylor expansion of (/ 1 z) in y
0.120 * [taylor]: Taking taylor expansion of z in y
0.120 * [backup-simplify]: Simplify z into z
0.120 * [backup-simplify]: Simplify (/ 1 z) into (/ 1 z)
0.120 * [backup-simplify]: Simplify (* 1 (/ 1 x)) into (/ 1 x)
0.120 * [backup-simplify]: Simplify (+ (/ 1 x) 0) into (/ 1 x)
0.120 * [backup-simplify]: Simplify (+ (/ 1 x) 0) into (/ 1 x)
0.121 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.121 * [taylor]: Taking taylor expansion of x in x
0.121 * [backup-simplify]: Simplify 0 into 0
0.121 * [backup-simplify]: Simplify 1 into 1
0.121 * [backup-simplify]: Simplify (/ 1 1) into 1
0.121 * [taylor]: Taking taylor expansion of 1 in z
0.121 * [backup-simplify]: Simplify 1 into 1
0.121 * [backup-simplify]: Simplify (- (+ (* (/ 1 x) (/ 0 x)))) into 0
0.122 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.122 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 (/ 1 x))) into 0
0.123 * [backup-simplify]: Simplify (+ 0 (/ 0.5 x)) into (* 0.5 (/ 1 x))
0.123 * [backup-simplify]: Simplify (+ (* 0.5 (/ 1 x)) (/ 1 z)) into (+ (* 0.5 (/ 1 x)) (/ 1 z))
0.123 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 x)) (/ 1 z)) in x
0.123 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
0.123 * [taylor]: Taking taylor expansion of 0.5 in x
0.123 * [backup-simplify]: Simplify 0.5 into 0.5
0.123 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.123 * [taylor]: Taking taylor expansion of x in x
0.123 * [backup-simplify]: Simplify 0 into 0
0.123 * [backup-simplify]: Simplify 1 into 1
0.123 * [backup-simplify]: Simplify (/ 1 1) into 1
0.123 * [taylor]: Taking taylor expansion of (/ 1 z) in x
0.123 * [taylor]: Taking taylor expansion of z in x
0.123 * [backup-simplify]: Simplify z into z
0.123 * [backup-simplify]: Simplify (/ 1 z) into (/ 1 z)
0.124 * [backup-simplify]: Simplify (* 0.5 1) into 0.5
0.124 * [backup-simplify]: Simplify (+ 0.5 0) into 0.5
0.124 * [taylor]: Taking taylor expansion of 0.5 in z
0.124 * [backup-simplify]: Simplify 0.5 into 0.5
0.125 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.125 * [taylor]: Taking taylor expansion of 0 in z
0.125 * [backup-simplify]: Simplify 0 into 0
0.125 * [backup-simplify]: Simplify 1 into 1
0.125 * [backup-simplify]: Simplify (- (+ (* (/ 1 x) (/ 0 x)) (* 0 (/ 0 x)))) into 0
0.126 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.127 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 (/ 1 x)))) into 0
0.127 * [backup-simplify]: Simplify (- (/ 0 x) (+ (* (/ 0.5 x) (/ 0 x)))) into 0
0.128 * [backup-simplify]: Simplify (+ 0 0) into 0
0.128 * [backup-simplify]: Simplify (- (+ (* (/ 1 z) (/ 0 z)))) into 0
0.128 * [backup-simplify]: Simplify (+ 0 0) into 0
0.128 * [taylor]: Taking taylor expansion of 0 in x
0.128 * [backup-simplify]: Simplify 0 into 0
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 (/ 1 z)) into (/ 1 z)
0.130 * [taylor]: Taking taylor expansion of (/ 1 z) in z
0.130 * [taylor]: Taking taylor expansion of z in z
0.130 * [backup-simplify]: Simplify 0 into 0
0.130 * [backup-simplify]: Simplify 1 into 1
0.130 * [backup-simplify]: Simplify (/ 1 1) into 1
0.130 * [backup-simplify]: Simplify 1 into 1
0.131 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.131 * [taylor]: Taking taylor expansion of 0 in z
0.131 * [backup-simplify]: Simplify 0 into 0
0.131 * [backup-simplify]: Simplify 0.5 into 0.5
0.132 * [backup-simplify]: Simplify (+ (* 0.5 (* 1 (* (/ 1 (/ 1 x)) 1))) (+ (* 1 (* (/ 1 (/ 1 z)) (* 1 1))) (* 1 (* 1 (* (/ 1 (/ 1 x)) (/ 1 (/ 1 y))))))) into (+ (* 0.5 x) (+ z (* x y)))
0.133 * [backup-simplify]: Simplify (+ (fma (/ 1 (- y)) (/ 1 (- x)) (/ (/ 1 (- x)) 2.0)) (/ 1 (- z))) into (- (fma (/ -1 y) (/ -1 x) (/ -0.5 x)) (/ 1 z))
0.133 * [approximate]: Taking taylor expansion of (- (fma (/ -1 y) (/ -1 x) (/ -0.5 x)) (/ 1 z)) in (y x z) around 0
0.133 * [taylor]: Taking taylor expansion of (- (fma (/ -1 y) (/ -1 x) (/ -0.5 x)) (/ 1 z)) in z
0.133 * [taylor]: Taking taylor expansion of (fma (/ -1 y) (/ -1 x) (/ -0.5 x)) in z
0.133 * [taylor]: Rewrote expression to (+ (* (/ -1 y) (/ -1 x)) (/ -0.5 x))
0.133 * [taylor]: Taking taylor expansion of (* (/ -1 y) (/ -1 x)) in z
0.133 * [taylor]: Taking taylor expansion of (/ -1 y) in z
0.133 * [taylor]: Taking taylor expansion of -1 in z
0.133 * [backup-simplify]: Simplify -1 into -1
0.133 * [taylor]: Taking taylor expansion of y in z
0.133 * [backup-simplify]: Simplify y into y
0.133 * [backup-simplify]: Simplify (/ -1 y) into (/ -1 y)
0.133 * [taylor]: Taking taylor expansion of (/ -1 x) in z
0.133 * [taylor]: Taking taylor expansion of -1 in z
0.133 * [backup-simplify]: Simplify -1 into -1
0.133 * [taylor]: Taking taylor expansion of x in z
0.133 * [backup-simplify]: Simplify x into x
0.133 * [backup-simplify]: Simplify (/ -1 x) into (/ -1 x)
0.134 * [taylor]: Taking taylor expansion of (/ -0.5 x) in z
0.134 * [taylor]: Taking taylor expansion of -0.5 in z
0.134 * [backup-simplify]: Simplify -0.5 into -0.5
0.134 * [taylor]: Taking taylor expansion of x in z
0.134 * [backup-simplify]: Simplify x into x
0.134 * [backup-simplify]: Simplify (/ -0.5 x) into (/ -0.5 x)
0.134 * [taylor]: Taking taylor expansion of (/ 1 z) in z
0.134 * [taylor]: Taking taylor expansion of z in z
0.134 * [backup-simplify]: Simplify 0 into 0
0.134 * [backup-simplify]: Simplify 1 into 1
0.134 * [backup-simplify]: Simplify (/ 1 1) into 1
0.134 * [taylor]: Taking taylor expansion of (- (fma (/ -1 y) (/ -1 x) (/ -0.5 x)) (/ 1 z)) in x
0.134 * [taylor]: Taking taylor expansion of (fma (/ -1 y) (/ -1 x) (/ -0.5 x)) in x
0.134 * [taylor]: Rewrote expression to (+ (* (/ -1 y) (/ -1 x)) (/ -0.5 x))
0.135 * [taylor]: Taking taylor expansion of (* (/ -1 y) (/ -1 x)) in x
0.135 * [taylor]: Taking taylor expansion of (/ -1 y) in x
0.135 * [taylor]: Taking taylor expansion of -1 in x
0.135 * [backup-simplify]: Simplify -1 into -1
0.135 * [taylor]: Taking taylor expansion of y in x
0.135 * [backup-simplify]: Simplify y into y
0.135 * [backup-simplify]: Simplify (/ -1 y) into (/ -1 y)
0.135 * [taylor]: Taking taylor expansion of (/ -1 x) in x
0.135 * [taylor]: Taking taylor expansion of -1 in x
0.135 * [backup-simplify]: Simplify -1 into -1
0.135 * [taylor]: Taking taylor expansion of x in x
0.135 * [backup-simplify]: Simplify 0 into 0
0.135 * [backup-simplify]: Simplify 1 into 1
0.135 * [backup-simplify]: Simplify (/ -1 1) into -1
0.135 * [taylor]: Taking taylor expansion of (/ -0.5 x) in x
0.135 * [taylor]: Taking taylor expansion of -0.5 in x
0.135 * [backup-simplify]: Simplify -0.5 into -0.5
0.135 * [taylor]: Taking taylor expansion of x in x
0.135 * [backup-simplify]: Simplify 0 into 0
0.135 * [backup-simplify]: Simplify 1 into 1
0.136 * [backup-simplify]: Simplify (/ -0.5 1) into -0.5
0.136 * [taylor]: Taking taylor expansion of (/ 1 z) in x
0.136 * [taylor]: Taking taylor expansion of z in x
0.136 * [backup-simplify]: Simplify z into z
0.136 * [backup-simplify]: Simplify (/ 1 z) into (/ 1 z)
0.136 * [taylor]: Taking taylor expansion of (- (fma (/ -1 y) (/ -1 x) (/ -0.5 x)) (/ 1 z)) in y
0.136 * [taylor]: Taking taylor expansion of (fma (/ -1 y) (/ -1 x) (/ -0.5 x)) in y
0.137 * [taylor]: Rewrote expression to (+ (* (/ -1 y) (/ -1 x)) (/ -0.5 x))
0.137 * [taylor]: Taking taylor expansion of (* (/ -1 y) (/ -1 x)) in y
0.137 * [taylor]: Taking taylor expansion of (/ -1 y) in y
0.137 * [taylor]: Taking taylor expansion of -1 in y
0.137 * [backup-simplify]: Simplify -1 into -1
0.137 * [taylor]: Taking taylor expansion of y in y
0.137 * [backup-simplify]: Simplify 0 into 0
0.137 * [backup-simplify]: Simplify 1 into 1
0.137 * [backup-simplify]: Simplify (/ -1 1) into -1
0.137 * [taylor]: Taking taylor expansion of (/ -1 x) in y
0.137 * [taylor]: Taking taylor expansion of -1 in y
0.137 * [backup-simplify]: Simplify -1 into -1
0.137 * [taylor]: Taking taylor expansion of x in y
0.137 * [backup-simplify]: Simplify x into x
0.137 * [backup-simplify]: Simplify (/ -1 x) into (/ -1 x)
0.137 * [taylor]: Taking taylor expansion of (/ -0.5 x) in y
0.137 * [taylor]: Taking taylor expansion of -0.5 in y
0.137 * [backup-simplify]: Simplify -0.5 into -0.5
0.137 * [taylor]: Taking taylor expansion of x in y
0.137 * [backup-simplify]: Simplify x into x
0.138 * [backup-simplify]: Simplify (/ -0.5 x) into (/ -0.5 x)
0.138 * [taylor]: Taking taylor expansion of (/ 1 z) in y
0.138 * [taylor]: Taking taylor expansion of z in y
0.138 * [backup-simplify]: Simplify z into z
0.138 * [backup-simplify]: Simplify (/ 1 z) into (/ 1 z)
0.138 * [taylor]: Taking taylor expansion of (- (fma (/ -1 y) (/ -1 x) (/ -0.5 x)) (/ 1 z)) in y
0.138 * [taylor]: Taking taylor expansion of (fma (/ -1 y) (/ -1 x) (/ -0.5 x)) in y
0.138 * [taylor]: Rewrote expression to (+ (* (/ -1 y) (/ -1 x)) (/ -0.5 x))
0.138 * [taylor]: Taking taylor expansion of (* (/ -1 y) (/ -1 x)) in y
0.138 * [taylor]: Taking taylor expansion of (/ -1 y) in y
0.138 * [taylor]: Taking taylor expansion of -1 in y
0.138 * [backup-simplify]: Simplify -1 into -1
0.138 * [taylor]: Taking taylor expansion of y in y
0.138 * [backup-simplify]: Simplify 0 into 0
0.138 * [backup-simplify]: Simplify 1 into 1
0.138 * [backup-simplify]: Simplify (/ -1 1) into -1
0.139 * [taylor]: Taking taylor expansion of (/ -1 x) in y
0.139 * [taylor]: Taking taylor expansion of -1 in y
0.139 * [backup-simplify]: Simplify -1 into -1
0.139 * [taylor]: Taking taylor expansion of x in y
0.139 * [backup-simplify]: Simplify x into x
0.139 * [backup-simplify]: Simplify (/ -1 x) into (/ -1 x)
0.139 * [taylor]: Taking taylor expansion of (/ -0.5 x) in y
0.139 * [taylor]: Taking taylor expansion of -0.5 in y
0.139 * [backup-simplify]: Simplify -0.5 into -0.5
0.139 * [taylor]: Taking taylor expansion of x in y
0.139 * [backup-simplify]: Simplify x into x
0.139 * [backup-simplify]: Simplify (/ -0.5 x) into (/ -0.5 x)
0.139 * [taylor]: Taking taylor expansion of (/ 1 z) in y
0.139 * [taylor]: Taking taylor expansion of z in y
0.139 * [backup-simplify]: Simplify z into z
0.139 * [backup-simplify]: Simplify (/ 1 z) into (/ 1 z)
0.139 * [backup-simplify]: Simplify (* -1 (/ -1 x)) into (/ 1 x)
0.139 * [backup-simplify]: Simplify (+ (/ 1 x) 0) into (/ 1 x)
0.139 * [backup-simplify]: Simplify (+ (/ 1 x) 0) into (/ 1 x)
0.139 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.139 * [taylor]: Taking taylor expansion of x in x
0.139 * [backup-simplify]: Simplify 0 into 0
0.139 * [backup-simplify]: Simplify 1 into 1
0.140 * [backup-simplify]: Simplify (/ 1 1) into 1
0.140 * [taylor]: Taking taylor expansion of 1 in z
0.140 * [backup-simplify]: Simplify 1 into 1
0.140 * [backup-simplify]: Simplify (- (/ 0 x) (+ (* (/ -1 x) (/ 0 x)))) into 0
0.141 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* -1 (/ 0 1)))) into 0
0.141 * [backup-simplify]: Simplify (+ (* -1 0) (* 0 (/ -1 x))) into 0
0.141 * [backup-simplify]: Simplify (+ 0 (/ -0.5 x)) into (- (* 0.5 (/ 1 x)))
0.142 * [backup-simplify]: Simplify (- (/ 1 z)) into (- (/ 1 z))
0.142 * [backup-simplify]: Simplify (+ (- (* 0.5 (/ 1 x))) (- (/ 1 z))) into (- (+ (* 0.5 (/ 1 x)) (/ 1 z)))
0.142 * [taylor]: Taking taylor expansion of (- (+ (* 0.5 (/ 1 x)) (/ 1 z))) in x
0.142 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 x)) (/ 1 z)) in x
0.142 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x
0.142 * [taylor]: Taking taylor expansion of 0.5 in x
0.142 * [backup-simplify]: Simplify 0.5 into 0.5
0.142 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.142 * [taylor]: Taking taylor expansion of x in x
0.142 * [backup-simplify]: Simplify 0 into 0
0.142 * [backup-simplify]: Simplify 1 into 1
0.142 * [backup-simplify]: Simplify (/ 1 1) into 1
0.142 * [taylor]: Taking taylor expansion of (/ 1 z) in x
0.142 * [taylor]: Taking taylor expansion of z in x
0.142 * [backup-simplify]: Simplify z into z
0.143 * [backup-simplify]: Simplify (/ 1 z) into (/ 1 z)
0.143 * [backup-simplify]: Simplify (* 0.5 1) into 0.5
0.143 * [backup-simplify]: Simplify (+ 0.5 0) into 0.5
0.144 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
0.144 * [taylor]: Taking taylor expansion of (- 0.5) in z
0.144 * [taylor]: Taking taylor expansion of 0.5 in z
0.144 * [backup-simplify]: Simplify 0.5 into 0.5
0.145 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.145 * [taylor]: Taking taylor expansion of 0 in z
0.145 * [backup-simplify]: Simplify 0 into 0
0.145 * [backup-simplify]: Simplify 1 into 1
0.145 * [backup-simplify]: Simplify (- (/ 0 x) (+ (* (/ -1 x) (/ 0 x)) (* 0 (/ 0 x)))) into 0
0.146 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* -1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.147 * [backup-simplify]: Simplify (+ (* -1 0) (+ (* 0 0) (* 0 (/ -1 x)))) into 0
0.147 * [backup-simplify]: Simplify (- (/ 0 x) (+ (* (/ -0.5 x) (/ 0 x)))) into 0
0.147 * [backup-simplify]: Simplify (+ 0 0) into 0
0.147 * [backup-simplify]: Simplify (- (+ (* (/ 1 z) (/ 0 z)))) into 0
0.148 * [backup-simplify]: Simplify (- 0) into 0
0.148 * [backup-simplify]: Simplify (+ 0 0) into 0
0.148 * [taylor]: Taking taylor expansion of 0 in x
0.148 * [backup-simplify]: Simplify 0 into 0
0.149 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0
0.150 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 1)) into 0
0.150 * [backup-simplify]: Simplify (+ 0 (/ 1 z)) into (/ 1 z)
0.150 * [backup-simplify]: Simplify (- (/ 1 z)) into (- (/ 1 z))
0.150 * [taylor]: Taking taylor expansion of (- (/ 1 z)) in z
0.150 * [taylor]: Taking taylor expansion of (/ 1 z) in z
0.150 * [taylor]: Taking taylor expansion of z in z
0.150 * [backup-simplify]: Simplify 0 into 0
0.150 * [backup-simplify]: Simplify 1 into 1
0.150 * [backup-simplify]: Simplify (/ 1 1) into 1
0.151 * [backup-simplify]: Simplify (- 1) into -1
0.151 * [backup-simplify]: Simplify -1 into -1
0.151 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
0.152 * [taylor]: Taking taylor expansion of 0 in z
0.152 * [backup-simplify]: Simplify 0 into 0
0.152 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
0.152 * [backup-simplify]: Simplify (- 0.5) into (- 0.5)
0.154 * [backup-simplify]: Simplify (+ (* (- 0.5) (* 1 (* (/ 1 (/ 1 (- x))) 1))) (+ (* -1 (* (/ 1 (/ 1 (- z))) (* 1 1))) (* 1 (* 1 (* (/ 1 (/ 1 (- x))) (/ 1 (/ 1 (- y)))))))) into (+ (* 0.5 x) (+ z (* x y)))
0.154 * * * [progress]: simplifying candidates
0.154 * [simplify]: Simplifying:
  (expm1 (+ (fma y x (/ x 2.0)) z))
  (log1p (+ (fma y x (/ x 2.0)) z))
  (* (exp (fma y x (/ x 2.0))) (exp z))
  (log (+ (fma y x (/ x 2.0)) z))
  (exp (+ (fma y x (/ x 2.0)) z))
  (* (cbrt (+ (fma y x (/ x 2.0)) z)) (cbrt (+ (fma y x (/ x 2.0)) z)))
  (cbrt (+ (fma y x (/ x 2.0)) z))
  (* (* (+ (fma y x (/ x 2.0)) z) (+ (fma y x (/ x 2.0)) z)) (+ (fma y x (/ x 2.0)) z))
  (sqrt (+ (fma y x (/ x 2.0)) z))
  (sqrt (+ (fma y x (/ x 2.0)) z))
  (+ (pow (fma y x (/ x 2.0)) 3) (pow z 3))
  (+ (* (fma y x (/ x 2.0)) (fma y x (/ x 2.0))) (- (* z z) (* (fma y x (/ x 2.0)) z)))
  (- (* (fma y x (/ x 2.0)) (fma y x (/ x 2.0))) (* z z))
  (- (fma y x (/ x 2.0)) z)
  (+ (fma y x (/ x 2.0)) z)
  (+ (/ x 2.0) z)
  (+ (* 0.5 x) (+ z (* x y)))
  (+ (* 0.5 x) (+ z (* x y)))
  (+ (* 0.5 x) (+ z (* x y)))
0.155 * * [simplify]: iteration 0: 36 enodes
0.177 * * [simplify]: iteration 1: 88 enodes
0.210 * * [simplify]: iteration 2: 240 enodes
0.309 * * [simplify]: iteration 3: 973 enodes
0.987 * * [simplify]: iteration complete: 5000 enodes
0.987 * * [simplify]: Extracting #0: cost 15 inf + 0
0.989 * * [simplify]: Extracting #1: cost 379 inf + 0
0.999 * * [simplify]: Extracting #2: cost 1521 inf + 1219
1.013 * * [simplify]: Extracting #3: cost 1530 inf + 11876
1.082 * * [simplify]: Extracting #4: cost 843 inf + 197270
1.236 * * [simplify]: Extracting #5: cost 37 inf + 440675
1.796 * * [simplify]: Extracting #6: cost 0 inf + 439068
1.930 * [simplify]: Simplified to:
  (expm1 (+ (/ x 2.0) (fma y x z)))
  (log1p (+ (/ x 2.0) (fma y x z)))
  (exp (+ (/ x 2.0) (fma y x z)))
  (log (+ (/ x 2.0) (fma y x z)))
  (exp (+ (/ x 2.0) (fma y x z)))
  (* (cbrt (+ (/ x 2.0) (fma y x z))) (cbrt (+ (/ x 2.0) (fma y x z))))
  (cbrt (+ (/ x 2.0) (fma y x z)))
  (* (+ (/ x 2.0) (fma y x z)) (* (+ (/ x 2.0) (fma y x z)) (+ (/ x 2.0) (fma y x z))))
  (sqrt (+ (/ x 2.0) (fma y x z)))
  (sqrt (+ (/ x 2.0) (fma y x z)))
  (fma z (* z z) (* (* (fma x y (/ x 2.0)) (fma x y (/ x 2.0))) (fma x y (/ x 2.0))))
  (fma (fma x y (/ x 2.0)) (fma x y (/ x 2.0)) (* (- z (fma x y (/ x 2.0))) z))
  (- (* (fma x y (/ x 2.0)) (fma x y (/ x 2.0))) (* z z))
  (fma y x (- (/ x 2.0) z))
  (+ (/ x 2.0) (fma y x z))
  (+ (/ x 2.0) z)
  (fma x (+ y 0.5) z)
  (fma x (+ y 0.5) z)
  (fma x (+ y 0.5) z)
1.931 * * * [progress]: adding candidates to table
2.100 * * [progress]: iteration 2 / 4
2.100 * * * [progress]: picking best candidate
2.107 * * * * [pick]: Picked  #<alt (λ (x y z) (fma x (+ y 0.5) z))>
2.107 * * * [progress]: localizing error
2.116 * * * [progress]: generating rewritten candidates
2.116 * * * [progress]: generating series expansions
2.116 * * * [progress]: simplifying candidates
2.116 * [simplify]: Simplifying:
  
2.116 * * [simplify]: iteration 0: 0 enodes
2.116 * * [simplify]: iteration complete: 0 enodes
2.116 * * [simplify]: Extracting #0: cost 0 inf + 0
2.116 * [simplify]: Simplified to:
  
2.116 * * * [progress]: adding candidates to table
2.117 * [progress]: [Phase 3 of 3] Extracting.
2.120 * [simplify]: Simplifying:
  (fma x (+ y 0.5) z)
2.120 * * [simplify]: iteration 0: 6 enodes
2.121 * * [simplify]: iteration 1: 7 enodes
2.121 * * [simplify]: iteration complete: 7 enodes
2.121 * * [simplify]: Extracting #0: cost 1 inf + 0
2.121 * * [simplify]: Extracting #1: cost 4 inf + 0
2.121 * * [simplify]: Extracting #2: cost 4 inf + 2
2.121 * * [simplify]: Extracting #3: cost 0 inf + 145
2.121 * [simplify]: Simplified to:
  (fma x (+ y 0.5) z)
3.288 * [regime-testing]: Baseline error score: 0.004375546943367921
3.297 * [regime-testing]: Oracle error score: 0.004375546943367921
3.297 * [regime-testing]: End program error score: 0.004375546943367921