59.793 * [progress]: [Phase 1 of 3] Setting up. 0.001 * * * [progress]: [1/2] Preparing points 0.023 * * * [progress]: [2/2] Setting up program. 0.028 * [progress]: [Phase 2 of 3] Improving. 0.029 * [simplify]: Simplifying: (+ (+ (/ x 2.0) (* y x)) z) 0.029 * * [simplify]: Extracting # 0 : cost 1 inf + 0 0.029 * * [simplify]: Extracting # 1 : cost 3 inf + 0 0.029 * * [simplify]: Extracting # 2 : cost 4 inf + 1 0.029 * * [simplify]: Extracting # 3 : cost 7 inf + 1 0.029 * * [simplify]: Extracting # 4 : cost 4 inf + 4 0.029 * * [simplify]: Extracting # 5 : cost 0 inf + 375 0.029 * * [simplify]: iteration 0 : 8 enodes (cost 164 ) 0.030 * * [simplify]: Extracting # 0 : cost 0 inf + 375 0.031 * * [simplify]: Extracting # 1 : cost 1 inf + 375 0.031 * * [simplify]: Extracting # 2 : cost 0 inf + 458 0.031 * * [simplify]: iteration 1 : 13 enodes (cost 164 ) 0.033 * * [simplify]: Extracting # 0 : cost 0 inf + 458 0.033 * * [simplify]: Extracting # 1 : cost 2 inf + 458 0.033 * * [simplify]: Extracting # 2 : cost 0 inf + 624 0.034 * * [simplify]: iteration 2 : 19 enodes (cost 164 ) 0.037 * * [simplify]: Extracting # 0 : cost 0 inf + 624 0.037 * * [simplify]: iteration 3 : 22 enodes (cost 164 ) 0.040 * * [simplify]: Extracting # 0 : cost 0 inf + 541 0.040 * * [simplify]: iteration done: 22 enodes (cost 164 ) 0.040 * [simplify]: Simplified to: (+ (+ (/ x 2.0) (* y x)) z) 0.041 * * [progress]: iteration 1 / 4 0.041 * * * [progress]: picking best candidate 0.046 * * * * [pick]: Picked # 0.046 * * * [progress]: localizing error 0.059 * * * [progress]: generating rewritten candidates 0.059 * * * * [progress]: [ 1 / 1 ] rewriting at (2 1) 0.078 * * * [progress]: generating series expansions 0.078 * * * * [progress]: [ 1 / 1 ] generating series at (2 1) 0.078 * [backup-simplify]: Simplify (+ (/ x 2.0) (* y x)) into (+ (* 0.5 x) (* x y)) 0.078 * [approximate]: Taking taylor expansion of (+ (* 0.5 x) (* x y)) in (x y) around 0 0.078 * [taylor]: Taking taylor expansion of (+ (* 0.5 x) (* x y)) in y 0.078 * [taylor]: Taking taylor expansion of (* 0.5 x) in y 0.078 * [taylor]: Taking taylor expansion of 0.5 in y 0.078 * [backup-simplify]: Simplify 0.5 into 0.5 0.078 * [taylor]: Taking taylor expansion of x in y 0.078 * [backup-simplify]: Simplify x into x 0.078 * [taylor]: Taking taylor expansion of (* x y) in y 0.078 * [taylor]: Taking taylor expansion of x in y 0.078 * [backup-simplify]: Simplify x into x 0.078 * [taylor]: Taking taylor expansion of y in y 0.078 * [backup-simplify]: Simplify 0 into 0 0.078 * [backup-simplify]: Simplify 1 into 1 0.078 * [taylor]: Taking taylor expansion of (+ (* 0.5 x) (* x y)) in x 0.078 * [taylor]: Taking taylor expansion of (* 0.5 x) in x 0.078 * [taylor]: Taking taylor expansion of 0.5 in x 0.078 * [backup-simplify]: Simplify 0.5 into 0.5 0.078 * [taylor]: Taking taylor expansion of x in x 0.078 * [backup-simplify]: Simplify 0 into 0 0.078 * [backup-simplify]: Simplify 1 into 1 0.078 * [taylor]: Taking taylor expansion of (* x y) in x 0.078 * [taylor]: Taking taylor expansion of x in x 0.078 * [backup-simplify]: Simplify 0 into 0 0.078 * [backup-simplify]: Simplify 1 into 1 0.078 * [taylor]: Taking taylor expansion of y in x 0.078 * [backup-simplify]: Simplify y into y 0.078 * [taylor]: Taking taylor expansion of (+ (* 0.5 x) (* x y)) in x 0.078 * [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 0.079 * [backup-simplify]: Simplify 0 into 0 0.079 * [backup-simplify]: Simplify 1 into 1 0.079 * [taylor]: Taking taylor expansion of (* x y) 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 y in x 0.079 * [backup-simplify]: Simplify y into y 0.086 * [backup-simplify]: Simplify (* 0.5 0) into 0 0.086 * [backup-simplify]: Simplify (* 0 y) into 0 0.087 * [backup-simplify]: Simplify (+ 0 0) into 0 0.087 * [taylor]: Taking taylor expansion of 0 in y 0.087 * [backup-simplify]: Simplify 0 into 0 0.087 * [backup-simplify]: Simplify 0 into 0 0.088 * [backup-simplify]: Simplify (+ (* 0.5 1) (* 0 0)) into 0.5 0.089 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 y)) into y 0.089 * [backup-simplify]: Simplify (+ 0.5 y) into (+ y 0.5) 0.089 * [taylor]: Taking taylor expansion of (+ y 0.5) in y 0.089 * [taylor]: Taking taylor expansion of y in y 0.089 * [backup-simplify]: Simplify 0 into 0 0.089 * [backup-simplify]: Simplify 1 into 1 0.089 * [taylor]: Taking taylor expansion of 0.5 in y 0.089 * [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 into 0.5 0.089 * [backup-simplify]: Simplify 0 into 0 0.090 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 1) (* 0 0))) into 0 0.091 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (* 0 y))) into 0 0.091 * [backup-simplify]: Simplify (+ 0 0) into 0 0.091 * [taylor]: Taking taylor expansion of 0 in y 0.091 * [backup-simplify]: Simplify 0 into 0 0.091 * [backup-simplify]: Simplify 0 into 0 0.092 * [backup-simplify]: Simplify (+ 1 0) into 1 0.092 * [backup-simplify]: Simplify 1 into 1 0.092 * [backup-simplify]: Simplify 0 into 0 0.093 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))) into 0 0.093 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (* 0 y)))) into 0 0.094 * [backup-simplify]: Simplify (+ 0 0) into 0 0.094 * [taylor]: Taking taylor expansion of 0 in y 0.094 * [backup-simplify]: Simplify 0 into 0 0.094 * [backup-simplify]: Simplify 0 into 0 0.094 * [backup-simplify]: Simplify 0 into 0 0.094 * [backup-simplify]: Simplify (+ 0 0) into 0 0.094 * [backup-simplify]: Simplify 0 into 0 0.094 * [backup-simplify]: Simplify 0 into 0 0.096 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0))))) into 0 0.097 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 y))))) into 0 0.097 * [backup-simplify]: Simplify (+ 0 0) into 0 0.097 * [taylor]: Taking taylor expansion of 0 in y 0.097 * [backup-simplify]: Simplify 0 into 0 0.097 * [backup-simplify]: Simplify 0 into 0 0.097 * [backup-simplify]: Simplify (+ (* 1 (* y x)) (* 0.5 (* 1 x))) into (+ (* 0.5 x) (* x y)) 0.098 * [backup-simplify]: Simplify (+ (/ (/ 1 x) 2.0) (* (/ 1 y) (/ 1 x))) into (+ (/ 1 (* x y)) (* 0.5 (/ 1 x))) 0.098 * [approximate]: Taking taylor expansion of (+ (/ 1 (* x y)) (* 0.5 (/ 1 x))) in (x y) around 0 0.098 * [taylor]: Taking taylor expansion of (+ (/ 1 (* x y)) (* 0.5 (/ 1 x))) in y 0.098 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in y 0.098 * [taylor]: Taking taylor expansion of (* x y) in y 0.098 * [taylor]: Taking taylor expansion of x in y 0.098 * [backup-simplify]: Simplify x into x 0.098 * [taylor]: Taking taylor expansion of y in y 0.098 * [backup-simplify]: Simplify 0 into 0 0.098 * [backup-simplify]: Simplify 1 into 1 0.098 * [backup-simplify]: Simplify (* x 0) into 0 0.098 * [backup-simplify]: Simplify (+ (* x 1) (* 0 0)) into x 0.098 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x) 0.098 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in y 0.098 * [taylor]: Taking taylor expansion of 0.5 in y 0.098 * [backup-simplify]: Simplify 0.5 into 0.5 0.098 * [taylor]: Taking taylor expansion of (/ 1 x) in y 0.098 * [taylor]: Taking taylor expansion of x in y 0.098 * [backup-simplify]: Simplify x into x 0.098 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x) 0.098 * [taylor]: Taking taylor expansion of (+ (/ 1 (* x y)) (* 0.5 (/ 1 x))) in x 0.098 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x 0.099 * [taylor]: Taking taylor expansion of (* x y) in x 0.099 * [taylor]: Taking taylor expansion of x in x 0.099 * [backup-simplify]: Simplify 0 into 0 0.099 * [backup-simplify]: Simplify 1 into 1 0.099 * [taylor]: Taking taylor expansion of y in x 0.099 * [backup-simplify]: Simplify y into y 0.099 * [backup-simplify]: Simplify (* 0 y) into 0 0.099 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 y)) into y 0.099 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y) 0.099 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x 0.099 * [taylor]: Taking taylor expansion of 0.5 in x 0.099 * [backup-simplify]: Simplify 0.5 into 0.5 0.099 * [taylor]: Taking taylor expansion of (/ 1 x) in x 0.099 * [taylor]: Taking taylor expansion of x in x 0.099 * [backup-simplify]: Simplify 0 into 0 0.099 * [backup-simplify]: Simplify 1 into 1 0.099 * [backup-simplify]: Simplify (/ 1 1) into 1 0.099 * [taylor]: Taking taylor expansion of (+ (/ 1 (* x y)) (* 0.5 (/ 1 x))) in x 0.100 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x 0.100 * [taylor]: Taking taylor expansion of (* x y) in x 0.100 * [taylor]: Taking taylor expansion of x in x 0.100 * [backup-simplify]: Simplify 0 into 0 0.100 * [backup-simplify]: Simplify 1 into 1 0.100 * [taylor]: Taking taylor expansion of y in x 0.100 * [backup-simplify]: Simplify y into y 0.100 * [backup-simplify]: Simplify (* 0 y) into 0 0.100 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 y)) into y 0.100 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y) 0.100 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x 0.100 * [taylor]: Taking taylor expansion of 0.5 in x 0.100 * [backup-simplify]: Simplify 0.5 into 0.5 0.100 * [taylor]: Taking taylor expansion of (/ 1 x) in x 0.100 * [taylor]: Taking taylor expansion of x in x 0.100 * [backup-simplify]: Simplify 0 into 0 0.100 * [backup-simplify]: Simplify 1 into 1 0.101 * [backup-simplify]: Simplify (/ 1 1) into 1 0.101 * [backup-simplify]: Simplify (* 0.5 1) into 0.5 0.101 * [backup-simplify]: Simplify (+ (/ 1 y) 0.5) into (+ 0.5 (/ 1 y)) 0.101 * [taylor]: Taking taylor expansion of (+ 0.5 (/ 1 y)) in y 0.101 * [taylor]: Taking taylor expansion of 0.5 in y 0.101 * [backup-simplify]: Simplify 0.5 into 0.5 0.101 * [taylor]: Taking taylor expansion of (/ 1 y) in y 0.101 * [taylor]: Taking taylor expansion of y in y 0.101 * [backup-simplify]: Simplify 0 into 0 0.101 * [backup-simplify]: Simplify 1 into 1 0.101 * [backup-simplify]: Simplify (/ 1 1) into 1 0.102 * [backup-simplify]: Simplify (+ 0 1) into 1 0.102 * [backup-simplify]: Simplify 1 into 1 0.102 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (* 0 y))) into 0 0.103 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0 0.103 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0 0.104 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 1)) into 0 0.104 * [backup-simplify]: Simplify (+ 0 0) into 0 0.104 * [taylor]: Taking taylor expansion of 0 in y 0.104 * [backup-simplify]: Simplify 0 into 0 0.105 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0 0.105 * [backup-simplify]: Simplify (+ 0.5 0) into 0.5 0.105 * [backup-simplify]: Simplify 0.5 into 0.5 0.106 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (* 0 y)))) into 0 0.106 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0 0.107 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0 0.107 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 1))) into 0 0.108 * [backup-simplify]: Simplify (+ 0 0) into 0 0.108 * [taylor]: Taking taylor expansion of 0 in y 0.108 * [backup-simplify]: Simplify 0 into 0 0.108 * [backup-simplify]: Simplify 0 into 0 0.108 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0 0.109 * [backup-simplify]: Simplify (+ 0 0) into 0 0.109 * [backup-simplify]: Simplify 0 into 0 0.110 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 y))))) into 0 0.110 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)) (* 0 (/ 0 y)))) into 0 0.111 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0 0.112 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0 0.112 * [backup-simplify]: Simplify (+ 0 0) into 0 0.112 * [taylor]: Taking taylor expansion of 0 in y 0.112 * [backup-simplify]: Simplify 0 into 0 0.112 * [backup-simplify]: Simplify 0 into 0 0.112 * [backup-simplify]: Simplify 0 into 0 0.113 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0 0.113 * [backup-simplify]: Simplify (+ 0 0) into 0 0.113 * [backup-simplify]: Simplify 0 into 0 0.114 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 y)))))) into 0 0.115 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)) (* 0 (/ 0 y)) (* 0 (/ 0 y)))) into 0 0.115 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0 0.116 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0 0.117 * [backup-simplify]: Simplify (+ 0 0) into 0 0.117 * [taylor]: Taking taylor expansion of 0 in y 0.117 * [backup-simplify]: Simplify 0 into 0 0.117 * [backup-simplify]: Simplify 0 into 0 0.117 * [backup-simplify]: Simplify (+ (* 0.5 (* 1 (/ 1 (/ 1 x)))) (* 1 (* (/ 1 (/ 1 y)) (/ 1 (/ 1 x))))) into (+ (* 0.5 x) (* x y)) 0.117 * [backup-simplify]: Simplify (+ (/ (/ 1 (- x)) 2.0) (* (/ 1 (- y)) (/ 1 (- x)))) into (- (/ 1 (* x y)) (* 0.5 (/ 1 x))) 0.117 * [approximate]: Taking taylor expansion of (- (/ 1 (* x y)) (* 0.5 (/ 1 x))) in (x y) around 0 0.117 * [taylor]: Taking taylor expansion of (- (/ 1 (* x y)) (* 0.5 (/ 1 x))) in y 0.117 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in y 0.117 * [taylor]: Taking taylor expansion of (* x y) in y 0.117 * [taylor]: Taking taylor expansion of x in y 0.117 * [backup-simplify]: Simplify x into x 0.117 * [taylor]: Taking taylor expansion of y in y 0.117 * [backup-simplify]: Simplify 0 into 0 0.117 * [backup-simplify]: Simplify 1 into 1 0.117 * [backup-simplify]: Simplify (* x 0) into 0 0.118 * [backup-simplify]: Simplify (+ (* x 1) (* 0 0)) into x 0.118 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x) 0.118 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in y 0.118 * [taylor]: Taking taylor expansion of 0.5 in y 0.118 * [backup-simplify]: Simplify 0.5 into 0.5 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 0.118 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x) 0.118 * [taylor]: Taking taylor expansion of (- (/ 1 (* x y)) (* 0.5 (/ 1 x))) in x 0.118 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x 0.118 * [taylor]: Taking taylor expansion of (* x y) in x 0.118 * [taylor]: Taking taylor expansion of x in x 0.118 * [backup-simplify]: Simplify 0 into 0 0.118 * [backup-simplify]: Simplify 1 into 1 0.118 * [taylor]: Taking taylor expansion of y in x 0.118 * [backup-simplify]: Simplify y into y 0.118 * [backup-simplify]: Simplify (* 0 y) into 0 0.119 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 y)) into y 0.119 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y) 0.119 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x 0.119 * [taylor]: Taking taylor expansion of 0.5 in x 0.119 * [backup-simplify]: Simplify 0.5 into 0.5 0.119 * [taylor]: Taking taylor expansion of (/ 1 x) in x 0.119 * [taylor]: Taking taylor expansion of x in x 0.119 * [backup-simplify]: Simplify 0 into 0 0.119 * [backup-simplify]: Simplify 1 into 1 0.119 * [backup-simplify]: Simplify (/ 1 1) into 1 0.119 * [taylor]: Taking taylor expansion of (- (/ 1 (* x y)) (* 0.5 (/ 1 x))) in x 0.119 * [taylor]: Taking taylor expansion of (/ 1 (* x y)) in x 0.119 * [taylor]: Taking taylor expansion of (* x y) in x 0.119 * [taylor]: Taking taylor expansion of x in x 0.119 * [backup-simplify]: Simplify 0 into 0 0.119 * [backup-simplify]: Simplify 1 into 1 0.119 * [taylor]: Taking taylor expansion of y in x 0.119 * [backup-simplify]: Simplify y into y 0.119 * [backup-simplify]: Simplify (* 0 y) into 0 0.120 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 y)) into y 0.120 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y) 0.120 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x 0.120 * [taylor]: Taking taylor expansion of 0.5 in x 0.120 * [backup-simplify]: Simplify 0.5 into 0.5 0.120 * [taylor]: Taking taylor expansion of (/ 1 x) in x 0.120 * [taylor]: Taking taylor expansion of x in x 0.120 * [backup-simplify]: Simplify 0 into 0 0.120 * [backup-simplify]: Simplify 1 into 1 0.120 * [backup-simplify]: Simplify (/ 1 1) into 1 0.120 * [backup-simplify]: Simplify (* 0.5 1) into 0.5 0.121 * [backup-simplify]: Simplify (- 0.5) into (- 0.5) 0.121 * [backup-simplify]: Simplify (+ (/ 1 y) (- 0.5)) into (- (/ 1 y) 0.5) 0.121 * [taylor]: Taking taylor expansion of (- (/ 1 y) 0.5) in y 0.121 * [taylor]: Taking taylor expansion of (/ 1 y) in y 0.121 * [taylor]: Taking taylor expansion of y in y 0.121 * [backup-simplify]: Simplify 0 into 0 0.121 * [backup-simplify]: Simplify 1 into 1 0.122 * [backup-simplify]: Simplify (/ 1 1) into 1 0.122 * [taylor]: Taking taylor expansion of 0.5 in y 0.122 * [backup-simplify]: Simplify 0.5 into 0.5 0.122 * [backup-simplify]: Simplify (+ 1 0) into 1 0.122 * [backup-simplify]: Simplify 1 into 1 0.123 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (* 0 y))) into 0 0.123 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0 0.123 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0 0.124 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 1)) into 0 0.124 * [backup-simplify]: Simplify (- 0) into 0 0.124 * [backup-simplify]: Simplify (+ 0 0) into 0 0.124 * [taylor]: Taking taylor expansion of 0 in y 0.124 * [backup-simplify]: Simplify 0 into 0 0.125 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0 0.125 * [backup-simplify]: Simplify (- 0.5) into (- 0.5) 0.126 * [backup-simplify]: Simplify (+ 0 (- 0.5)) into (- 0.5) 0.126 * [backup-simplify]: Simplify (- 0.5) into (- 0.5) 0.127 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (* 0 y)))) into 0 0.127 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0 0.128 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0 0.129 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 1))) into 0 0.129 * [backup-simplify]: Simplify (- 0) into 0 0.129 * [backup-simplify]: Simplify (+ 0 0) into 0 0.129 * [taylor]: Taking taylor expansion of 0 in y 0.129 * [backup-simplify]: Simplify 0 into 0 0.129 * [backup-simplify]: Simplify 0 into 0 0.130 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0 0.130 * [backup-simplify]: Simplify (- 0) into 0 0.130 * [backup-simplify]: Simplify (+ 0 0) into 0 0.130 * [backup-simplify]: Simplify 0 into 0 0.132 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 y))))) into 0 0.132 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)) (* 0 (/ 0 y)))) into 0 0.132 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0 0.133 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0 0.133 * [backup-simplify]: Simplify (- 0) into 0 0.134 * [backup-simplify]: Simplify (+ 0 0) into 0 0.134 * [taylor]: Taking taylor expansion of 0 in y 0.134 * [backup-simplify]: Simplify 0 into 0 0.134 * [backup-simplify]: Simplify 0 into 0 0.134 * [backup-simplify]: Simplify 0 into 0 0.135 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0 0.135 * [backup-simplify]: Simplify (- 0) into 0 0.135 * [backup-simplify]: Simplify (+ 0 0) into 0 0.135 * [backup-simplify]: Simplify 0 into 0 0.137 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 y)))))) into 0 0.137 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)) (* 0 (/ 0 y)) (* 0 (/ 0 y)))) into 0 0.137 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0 0.138 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0 0.139 * [backup-simplify]: Simplify (- 0) into 0 0.139 * [backup-simplify]: Simplify (+ 0 0) into 0 0.139 * [taylor]: Taking taylor expansion of 0 in y 0.139 * [backup-simplify]: Simplify 0 into 0 0.139 * [backup-simplify]: Simplify 0 into 0 0.140 * [backup-simplify]: Simplify (+ (* (- 0.5) (* 1 (/ 1 (/ 1 (- x))))) (* 1 (* (/ 1 (/ 1 (- y))) (/ 1 (/ 1 (- x)))))) into (+ (* 0.5 x) (* x y)) 0.140 * * * [progress]: simplifying candidates 0.140 * [simplify]: Simplifying: (* (exp (/ x 2.0)) (exp (* y x))) (log (+ (/ x 2.0) (* y x))) (exp (+ (/ x 2.0) (* y x))) (* (cbrt (+ (/ x 2.0) (* y x))) (cbrt (+ (/ x 2.0) (* y x)))) (cbrt (+ (/ x 2.0) (* y x))) (* (* (+ (/ x 2.0) (* y x)) (+ (/ x 2.0) (* y x))) (+ (/ x 2.0) (* y x))) (sqrt (+ (/ x 2.0) (* y x))) (sqrt (+ (/ x 2.0) (* y x))) (+ (pow (/ x 2.0) 3) (pow (* y x) 3)) (+ (* (/ x 2.0) (/ x 2.0)) (- (* (* y x) (* y x)) (* (/ x 2.0) (* y x)))) (- (* (/ x 2.0) (/ x 2.0)) (* (* y x) (* y x))) (- (/ x 2.0) (* y x)) (+ (* 0.5 x) (* x y)) (+ (* 0.5 x) (* x y)) (+ (* 0.5 x) (* x y)) 0.140 * * [simplify]: Extracting # 0 : cost 12 inf + 0 0.140 * * [simplify]: Extracting # 1 : cost 25 inf + 0 0.141 * * [simplify]: Extracting # 2 : cost 31 inf + 0 0.141 * * [simplify]: Extracting # 3 : cost 23 inf + 131 0.141 * * [simplify]: Extracting # 4 : cost 9 inf + 2178 0.141 * * [simplify]: Extracting # 5 : cost 0 inf + 4416 0.142 * * [simplify]: iteration 0 : 31 enodes (cost 3146 ) 0.150 * * [simplify]: Extracting # 0 : cost 0 inf + 4416 0.151 * * [simplify]: Extracting # 1 : cost 26 inf + 3889 0.152 * * [simplify]: Extracting # 2 : cost 3 inf + 6905 0.153 * * [simplify]: Extracting # 3 : cost 1 inf + 7119 0.154 * * [simplify]: Extracting # 4 : cost 0 inf + 7372 0.156 * * [simplify]: iteration 1 : 94 enodes (cost 2775 ) 0.176 * * [simplify]: Extracting # 0 : cost 0 inf + 7372 0.178 * * [simplify]: Extracting # 1 : cost 117 inf + 6662 0.181 * * [simplify]: Extracting # 2 : cost 5 inf + 22406 0.188 * * [simplify]: Extracting # 3 : cost 4 inf + 22489 0.191 * * [simplify]: Extracting # 4 : cost 0 inf + 23108 0.195 * * [simplify]: iteration 2 : 405 enodes (cost 2655 ) 0.464 * * [simplify]: Extracting # 0 : cost 0 inf + 23108 0.479 * * [simplify]: Extracting # 1 : cost 317 inf + 12602 0.497 * * [simplify]: Extracting # 2 : cost 7 inf + 71223 0.520 * * [simplify]: Extracting # 3 : cost 2 inf + 72034 0.540 * * [simplify]: Extracting # 4 : cost 0 inf + 72540 0.560 * * [simplify]: iteration 3 : 1872 enodes (cost 2655 ) 1.067 * * [simplify]: Extracting # 0 : cost 0 inf + 72540 1.100 * * [simplify]: Extracting # 1 : cost 1508 inf + 58386 1.149 * * [simplify]: Extracting # 2 : cost 78 inf + 279519 1.210 * * [simplify]: Extracting # 3 : cost 19 inf + 288450 1.271 * * [simplify]: Extracting # 4 : cost 0 inf + 293912 1.331 * * [simplify]: iteration done: 5001 enodes (cost 2655 ) 1.331 * [simplify]: Simplified to: (exp (+ (/ x 2.0) (* y x))) (log (+ (/ x 2.0) (* y x))) (exp (+ (/ x 2.0) (* y x))) (* (cbrt (+ (/ x 2.0) (* y x))) (cbrt (+ (/ x 2.0) (* y x)))) (cbrt (+ (/ x 2.0) (* y x))) (* (* (+ (/ x 2.0) (* y x)) (+ (/ x 2.0) (* y x))) (+ (/ x 2.0) (* y x))) (sqrt (+ (/ x 2.0) (* y x))) (sqrt (+ (/ x 2.0) (* y x))) (+ (* (/ x 2.0) (* (/ x 2.0) (/ x 2.0))) (* (* y x) (* (* y x) (* y x)))) (+ (* (/ x 2.0) (/ x 2.0)) (* (* y x) (- (* y x) (/ x 2.0)))) (- (* (/ x 2.0) (/ x 2.0)) (* (* y x) (* y x))) (- (/ x 2.0) (* y x)) (* x (+ y 0.5)) (* x (+ y 0.5)) (* x (+ y 0.5)) 1.331 * * * [progress]: adding candidates to table 1.379 * * [progress]: iteration 2 / 4 1.379 * * * [progress]: picking best candidate 1.382 * * * * [pick]: Picked # 1.382 * * * [progress]: localizing error 1.390 * * * [progress]: generating rewritten candidates 1.390 * * * [progress]: generating series expansions 1.390 * * * [progress]: simplifying candidates 1.390 * [simplify]: Simplifying: 1.390 * * [simplify]: Extracting # 0 : cost 0 inf + 0 1.390 * * [simplify]: iteration 0 : 0 enodes (cost 0 ) 1.390 * * [simplify]: Extracting # 0 : cost 0 inf + 0 1.390 * * [simplify]: iteration done: 0 enodes (cost 0 ) 1.390 * [simplify]: Simplified to: 1.390 * * * [progress]: adding candidates to table 1.390 * [progress]: [Phase 3 of 3] Extracting. 1.394 * [simplify]: Simplifying: (+ (* x (+ y 0.5)) z) 1.394 * * [simplify]: Extracting # 0 : cost 1 inf + 0 1.394 * * [simplify]: Extracting # 1 : cost 3 inf + 0 1.394 * * [simplify]: Extracting # 2 : cost 4 inf + 1 1.394 * * [simplify]: Extracting # 3 : cost 5 inf + 2 1.394 * * [simplify]: Extracting # 4 : cost 0 inf + 253 1.394 * * [simplify]: iteration 0 : 7 enodes (cost 124 ) 1.395 * * [simplify]: Extracting # 0 : cost 0 inf + 253 1.395 * * [simplify]: iteration 1 : 10 enodes (cost 124 ) 1.395 * * [simplify]: Extracting # 0 : cost 0 inf + 253 1.395 * * [simplify]: iteration done: 10 enodes (cost 124 ) 1.395 * [simplify]: Simplified to: (+ (* x (+ y 0.5)) z) 2.328 * [regime-testing]: Baseline error score: 0.006750843855481936 2.337 * [regime-testing]: Oracle error score: 0.006750843855481936 2.337 * [regime-testing]: End program error score: 0.006750843855481936