3.953 * [progress]: [Phase 1 of 3] Setting up. 0.001 * * * [progress]: [1/2] Preparing points 0.011 * * * [progress]: [2/2] Setting up program. 0.013 * [progress]: [Phase 2 of 3] Improving. 0.013 * [simplify]: Simplifying: (+ x (/ (- y x) 2.0)) 0.013 * * [simplify]: Extracting # 0 : cost 0 0.013 * * [simplify]: Extracting # 1 : cost 0 0.013 * * [simplify]: Extracting # 2 : cost 0 0.013 * * [simplify]: Extracting # 3 : cost 0 0.013 * * [simplify]: Extracting # 4 : cost 0 0.013 * * [simplify]: Extracting # 5 : cost 0 0.013 * * [simplify]: iteration 0 : 6 enodes (cost 7 ) 0.014 * * [simplify]: Extracting # 0 : cost 0 0.014 * * [simplify]: Extracting # 1 : cost 0 0.014 * * [simplify]: Extracting # 2 : cost 0 0.014 * * [simplify]: iteration 1 : 12 enodes (cost 7 ) 0.016 * * [simplify]: Extracting # 0 : cost 0 0.016 * * [simplify]: Extracting # 1 : cost 0 0.016 * * [simplify]: Extracting # 2 : cost 0 0.016 * * [simplify]: iteration 2 : 19 enodes (cost 7 ) 0.019 * * [simplify]: Extracting # 0 : cost 0 0.019 * * [simplify]: Extracting # 1 : cost 0 0.020 * * [simplify]: Extracting # 2 : cost 0 0.020 * * [simplify]: iteration 3 : 28 enodes (cost 7 ) 0.024 * * [simplify]: Extracting # 0 : cost 0 0.024 * * [simplify]: Extracting # 1 : cost 0 0.024 * * [simplify]: Extracting # 2 : cost 0 0.024 * * [simplify]: iteration 4 : 39 enodes (cost 7 ) 0.034 * * [simplify]: Extracting # 0 : cost 0 0.034 * * [simplify]: Extracting # 1 : cost 0 0.034 * * [simplify]: Extracting # 2 : cost 0 0.034 * * [simplify]: iteration 5 : 44 enodes (cost 7 ) 0.040 * * [simplify]: Extracting # 0 : cost 0 0.040 * * [simplify]: Extracting # 1 : cost 0 0.040 * * [simplify]: Extracting # 2 : cost 0 0.040 * * [simplify]: iteration 6 : 49 enodes (cost 7 ) 0.046 * * [simplify]: Extracting # 0 : cost 0 0.046 * * [simplify]: Extracting # 1 : cost 0 0.046 * * [simplify]: Extracting # 2 : cost 0 0.046 * * [simplify]: iteration 7 : 58 enodes (cost 7 ) 0.055 * * [simplify]: Extracting # 0 : cost 0 0.055 * * [simplify]: Extracting # 1 : cost 0 0.055 * * [simplify]: Extracting # 2 : cost 0 0.055 * * [simplify]: iteration 8 : 75 enodes (cost 7 ) 0.067 * * [simplify]: Extracting # 0 : cost 0 0.067 * * [simplify]: Extracting # 1 : cost 0 0.067 * * [simplify]: Extracting # 2 : cost 0 0.067 * * [simplify]: iteration 9 : 91 enodes (cost 7 ) 0.079 * * [simplify]: Extracting # 0 : cost 0 0.079 * * [simplify]: Extracting # 1 : cost 0 0.079 * * [simplify]: iteration 10 : 102 enodes (cost 7 ) 0.095 * * [simplify]: Extracting # 0 : cost 0 0.095 * * [simplify]: Extracting # 1 : cost 0 0.095 * * [simplify]: Extracting # 2 : cost 0 0.096 * * [simplify]: iteration 11 : 104 enodes (cost 7 ) 0.110 * * [simplify]: Extracting # 0 : cost 0 0.110 * * [simplify]: Extracting # 1 : cost 0 0.110 * * [simplify]: Extracting # 2 : cost 0 0.110 * * [simplify]: iteration 12 : 108 enodes (cost 7 ) 0.126 * * [simplify]: Extracting # 0 : cost 0 0.126 * * [simplify]: Extracting # 1 : cost 0 0.126 * * [simplify]: iteration 13 : 109 enodes (cost 7 ) 0.140 * * [simplify]: Extracting # 0 : cost 0 0.140 * * [simplify]: iteration done: 109 enodes (cost 7 ) 0.140 * [simplify]: Simplified to: (+ x (/ (- y x) 2.0)) 0.141 * * [progress]: iteration 1 / 4 0.141 * * * [progress]: picking best candidate 0.142 * * * * [pick]: Picked # 0.142 * * * [progress]: localizing error 0.146 * * * [progress]: generating rewritten candidates 0.147 * * * * [progress]: [ 1 / 1 ] rewriting at (2) 0.169 * * * [progress]: generating series expansions 0.169 * * * * [progress]: [ 1 / 1 ] generating series at (2) 0.169 * [backup-simplify]: Simplify (+ x (/ (- y x) 2.0)) into (+ (* 0.5 x) (* 0.5 y)) 0.169 * [approximate]: Taking taylor expansion of (+ (* 0.5 x) (* 0.5 y)) in (x y) around 0 0.169 * [taylor]: Taking taylor expansion of (+ (* 0.5 x) (* 0.5 y)) in y 0.169 * [taylor]: Taking taylor expansion of (* 0.5 x) in y 0.169 * [taylor]: Taking taylor expansion of 0.5 in y 0.170 * [backup-simplify]: Simplify 0.5 into 0.5 0.170 * [taylor]: Taking taylor expansion of x in y 0.170 * [backup-simplify]: Simplify x into x 0.170 * [taylor]: Taking taylor expansion of (* 0.5 y) in y 0.170 * [taylor]: Taking taylor expansion of 0.5 in y 0.170 * [backup-simplify]: Simplify 0.5 into 0.5 0.170 * [taylor]: Taking taylor expansion of y in y 0.170 * [backup-simplify]: Simplify 0 into 0 0.170 * [backup-simplify]: Simplify 1 into 1 0.170 * [taylor]: Taking taylor expansion of (+ (* 0.5 x) (* 0.5 y)) in x 0.170 * [taylor]: Taking taylor expansion of (* 0.5 x) in x 0.170 * [taylor]: Taking taylor expansion of 0.5 in x 0.170 * [backup-simplify]: Simplify 0.5 into 0.5 0.170 * [taylor]: Taking taylor expansion of x in x 0.170 * [backup-simplify]: Simplify 0 into 0 0.170 * [backup-simplify]: Simplify 1 into 1 0.170 * [taylor]: Taking taylor expansion of (* 0.5 y) in x 0.170 * [taylor]: Taking taylor expansion of 0.5 in x 0.170 * [backup-simplify]: Simplify 0.5 into 0.5 0.170 * [taylor]: Taking taylor expansion of y in x 0.170 * [backup-simplify]: Simplify y into y 0.170 * [taylor]: Taking taylor expansion of (+ (* 0.5 x) (* 0.5 y)) in x 0.170 * [taylor]: Taking taylor expansion of (* 0.5 x) in x 0.170 * [taylor]: Taking taylor expansion of 0.5 in x 0.170 * [backup-simplify]: Simplify 0.5 into 0.5 0.170 * [taylor]: Taking taylor expansion of x in x 0.170 * [backup-simplify]: Simplify 0 into 0 0.170 * [backup-simplify]: Simplify 1 into 1 0.170 * [taylor]: Taking taylor expansion of (* 0.5 y) in x 0.170 * [taylor]: Taking taylor expansion of 0.5 in x 0.170 * [backup-simplify]: Simplify 0.5 into 0.5 0.170 * [taylor]: Taking taylor expansion of y in x 0.170 * [backup-simplify]: Simplify y into y 0.171 * [backup-simplify]: Simplify (* 0.5 0) into 0 0.171 * [backup-simplify]: Simplify (* 0.5 y) into (* 0.5 y) 0.171 * [backup-simplify]: Simplify (+ 0 (* 0.5 y)) into (* 0.5 y) 0.171 * [taylor]: Taking taylor expansion of (* 0.5 y) in y 0.171 * [taylor]: Taking taylor expansion of 0.5 in y 0.171 * [backup-simplify]: Simplify 0.5 into 0.5 0.171 * [taylor]: Taking taylor expansion of y in y 0.171 * [backup-simplify]: Simplify 0 into 0 0.171 * [backup-simplify]: Simplify 1 into 1 0.171 * [backup-simplify]: Simplify (* 0.5 0) into 0 0.171 * [backup-simplify]: Simplify 0 into 0 0.172 * [backup-simplify]: Simplify (+ (* 0.5 1) (* 0 0)) into 0.5 0.172 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 y)) into 0 0.173 * [backup-simplify]: Simplify (+ 0.5 0) into 0.5 0.173 * [taylor]: Taking taylor expansion of 0.5 in y 0.173 * [backup-simplify]: Simplify 0.5 into 0.5 0.173 * [backup-simplify]: Simplify 0.5 into 0.5 0.174 * [backup-simplify]: Simplify (+ (* 0.5 1) (* 0 0)) into 0.5 0.174 * [backup-simplify]: Simplify 0.5 into 0.5 0.174 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 1) (* 0 0))) into 0 0.175 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 y))) into 0 0.175 * [backup-simplify]: Simplify (+ 0 0) into 0 0.175 * [taylor]: Taking taylor expansion of 0 in y 0.175 * [backup-simplify]: Simplify 0 into 0 0.175 * [backup-simplify]: Simplify 0 into 0 0.175 * [backup-simplify]: Simplify 0 into 0 0.176 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 1) (* 0 0))) into 0 0.176 * [backup-simplify]: Simplify 0 into 0 0.176 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))) into 0 0.177 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 y)))) into 0 0.177 * [backup-simplify]: Simplify (+ 0 0) into 0 0.177 * [taylor]: Taking taylor expansion of 0 in y 0.177 * [backup-simplify]: Simplify 0 into 0 0.178 * [backup-simplify]: Simplify 0 into 0 0.178 * [backup-simplify]: Simplify 0 into 0 0.178 * [backup-simplify]: Simplify 0 into 0 0.178 * [backup-simplify]: Simplify (+ (* 0.5 (* y 1)) (* 0.5 (* 1 x))) into (+ (* 0.5 x) (* 0.5 y)) 0.178 * [backup-simplify]: Simplify (+ (/ 1 x) (/ (- (/ 1 y) (/ 1 x)) 2.0)) into (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x))) 0.178 * [approximate]: Taking taylor expansion of (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x))) in (x y) around 0 0.178 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x))) in y 0.178 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in y 0.178 * [taylor]: Taking taylor expansion of 0.5 in y 0.178 * [backup-simplify]: Simplify 0.5 into 0.5 0.178 * [taylor]: Taking taylor expansion of (/ 1 y) in y 0.178 * [taylor]: Taking taylor expansion of y in y 0.178 * [backup-simplify]: Simplify 0 into 0 0.178 * [backup-simplify]: Simplify 1 into 1 0.178 * [backup-simplify]: Simplify (/ 1 1) into 1 0.178 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in y 0.178 * [taylor]: Taking taylor expansion of 0.5 in y 0.178 * [backup-simplify]: Simplify 0.5 into 0.5 0.178 * [taylor]: Taking taylor expansion of (/ 1 x) in y 0.178 * [taylor]: Taking taylor expansion of x in y 0.178 * [backup-simplify]: Simplify x into x 0.178 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x) 0.178 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x))) in x 0.178 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in x 0.178 * [taylor]: Taking taylor expansion of 0.5 in x 0.178 * [backup-simplify]: Simplify 0.5 into 0.5 0.178 * [taylor]: Taking taylor expansion of (/ 1 y) in x 0.178 * [taylor]: Taking taylor expansion of y in x 0.179 * [backup-simplify]: Simplify y into y 0.179 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y) 0.179 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x 0.179 * [taylor]: Taking taylor expansion of 0.5 in x 0.179 * [backup-simplify]: Simplify 0.5 into 0.5 0.179 * [taylor]: Taking taylor expansion of (/ 1 x) in x 0.179 * [taylor]: Taking taylor expansion of x in x 0.179 * [backup-simplify]: Simplify 0 into 0 0.179 * [backup-simplify]: Simplify 1 into 1 0.179 * [backup-simplify]: Simplify (/ 1 1) into 1 0.179 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x))) in x 0.179 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in x 0.179 * [taylor]: Taking taylor expansion of 0.5 in x 0.179 * [backup-simplify]: Simplify 0.5 into 0.5 0.179 * [taylor]: Taking taylor expansion of (/ 1 y) in x 0.179 * [taylor]: Taking taylor expansion of y in x 0.179 * [backup-simplify]: Simplify y into y 0.179 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y) 0.179 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x 0.179 * [taylor]: Taking taylor expansion of 0.5 in x 0.179 * [backup-simplify]: Simplify 0.5 into 0.5 0.179 * [taylor]: Taking taylor expansion of (/ 1 x) in x 0.179 * [taylor]: Taking taylor expansion of x in x 0.179 * [backup-simplify]: Simplify 0 into 0 0.179 * [backup-simplify]: Simplify 1 into 1 0.179 * [backup-simplify]: Simplify (/ 1 1) into 1 0.180 * [backup-simplify]: Simplify (* 0.5 1) into 0.5 0.180 * [backup-simplify]: Simplify (+ 0 0.5) into 0.5 0.180 * [taylor]: Taking taylor expansion of 0.5 in y 0.180 * [backup-simplify]: Simplify 0.5 into 0.5 0.180 * [backup-simplify]: Simplify (* 0.5 (/ 1 y)) into (/ 0.5 y) 0.180 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0 0.181 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 1)) into 0 0.181 * [backup-simplify]: Simplify (+ (/ 0.5 y) 0) into (* 0.5 (/ 1 y)) 0.181 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in y 0.181 * [taylor]: Taking taylor expansion of 0.5 in y 0.181 * [backup-simplify]: Simplify 0.5 into 0.5 0.181 * [taylor]: Taking taylor expansion of (/ 1 y) in y 0.181 * [taylor]: Taking taylor expansion of y in y 0.181 * [backup-simplify]: Simplify 0 into 0 0.181 * [backup-simplify]: Simplify 1 into 1 0.181 * [backup-simplify]: Simplify (/ 1 1) into 1 0.182 * [backup-simplify]: Simplify (* 0.5 1) into 0.5 0.182 * [backup-simplify]: Simplify 0.5 into 0.5 0.182 * [backup-simplify]: Simplify 0.5 into 0.5 0.182 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0 0.182 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 (/ 1 y))) into 0 0.183 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0 0.183 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 1))) into 0 0.183 * [backup-simplify]: Simplify (+ 0 0) into 0 0.183 * [taylor]: Taking taylor expansion of 0 in y 0.183 * [backup-simplify]: Simplify 0 into 0 0.184 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0 0.184 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 1)) into 0 0.184 * [backup-simplify]: Simplify 0 into 0 0.184 * [backup-simplify]: Simplify 0 into 0 0.184 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0 0.185 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 (/ 1 y)))) into 0 0.185 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0 0.186 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0 0.186 * [backup-simplify]: Simplify (+ 0 0) into 0 0.186 * [taylor]: Taking taylor expansion of 0 in y 0.186 * [backup-simplify]: Simplify 0 into 0 0.186 * [backup-simplify]: Simplify 0 into 0 0.187 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0 0.187 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 1))) into 0 0.187 * [backup-simplify]: Simplify 0 into 0 0.187 * [backup-simplify]: Simplify 0 into 0 0.187 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)) (* 0 (/ 0 y)))) into 0 0.188 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 (/ 1 y))))) into 0 0.189 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0 0.189 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0 0.189 * [backup-simplify]: Simplify (+ 0 0) into 0 0.190 * [taylor]: Taking taylor expansion of 0 in y 0.190 * [backup-simplify]: Simplify 0 into 0 0.190 * [backup-simplify]: Simplify 0 into 0 0.190 * [backup-simplify]: Simplify (+ (* 0.5 (* 1 (/ 1 (/ 1 x)))) (* 0.5 (* (/ 1 (/ 1 y)) 1))) into (+ (* 0.5 x) (* 0.5 y)) 0.190 * [backup-simplify]: Simplify (+ (/ 1 (- x)) (/ (- (/ 1 (- y)) (/ 1 (- x))) 2.0)) into (- (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x)))) 0.190 * [approximate]: Taking taylor expansion of (- (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x)))) in (x y) around 0 0.190 * [taylor]: Taking taylor expansion of (- (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x)))) in y 0.190 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x))) in y 0.190 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in y 0.190 * [taylor]: Taking taylor expansion of 0.5 in y 0.190 * [backup-simplify]: Simplify 0.5 into 0.5 0.190 * [taylor]: Taking taylor expansion of (/ 1 y) in y 0.190 * [taylor]: Taking taylor expansion of y in y 0.190 * [backup-simplify]: Simplify 0 into 0 0.190 * [backup-simplify]: Simplify 1 into 1 0.190 * [backup-simplify]: Simplify (/ 1 1) into 1 0.190 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in y 0.190 * [taylor]: Taking taylor expansion of 0.5 in y 0.190 * [backup-simplify]: Simplify 0.5 into 0.5 0.190 * [taylor]: Taking taylor expansion of (/ 1 x) in y 0.190 * [taylor]: Taking taylor expansion of x in y 0.190 * [backup-simplify]: Simplify x into x 0.190 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x) 0.191 * [taylor]: Taking taylor expansion of (- (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x)))) in x 0.191 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x))) in x 0.191 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in x 0.191 * [taylor]: Taking taylor expansion of 0.5 in x 0.191 * [backup-simplify]: Simplify 0.5 into 0.5 0.191 * [taylor]: Taking taylor expansion of (/ 1 y) in x 0.191 * [taylor]: Taking taylor expansion of y in x 0.191 * [backup-simplify]: Simplify y into y 0.191 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y) 0.191 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x 0.191 * [taylor]: Taking taylor expansion of 0.5 in x 0.191 * [backup-simplify]: Simplify 0.5 into 0.5 0.191 * [taylor]: Taking taylor expansion of (/ 1 x) in x 0.191 * [taylor]: Taking taylor expansion of x in x 0.191 * [backup-simplify]: Simplify 0 into 0 0.191 * [backup-simplify]: Simplify 1 into 1 0.191 * [backup-simplify]: Simplify (/ 1 1) into 1 0.191 * [taylor]: Taking taylor expansion of (- (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x)))) in x 0.191 * [taylor]: Taking taylor expansion of (+ (* 0.5 (/ 1 y)) (* 0.5 (/ 1 x))) in x 0.191 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in x 0.191 * [taylor]: Taking taylor expansion of 0.5 in x 0.191 * [backup-simplify]: Simplify 0.5 into 0.5 0.191 * [taylor]: Taking taylor expansion of (/ 1 y) in x 0.191 * [taylor]: Taking taylor expansion of y in x 0.191 * [backup-simplify]: Simplify y into y 0.191 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y) 0.191 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 x)) in x 0.191 * [taylor]: Taking taylor expansion of 0.5 in x 0.191 * [backup-simplify]: Simplify 0.5 into 0.5 0.191 * [taylor]: Taking taylor expansion of (/ 1 x) in x 0.191 * [taylor]: Taking taylor expansion of x in x 0.191 * [backup-simplify]: Simplify 0 into 0 0.191 * [backup-simplify]: Simplify 1 into 1 0.192 * [backup-simplify]: Simplify (/ 1 1) into 1 0.192 * [backup-simplify]: Simplify (* 0.5 1) into 0.5 0.192 * [backup-simplify]: Simplify (+ 0 0.5) into 0.5 0.192 * [backup-simplify]: Simplify (- 0.5) into (- 0.5) 0.192 * [taylor]: Taking taylor expansion of (- 0.5) in y 0.192 * [taylor]: Taking taylor expansion of 0.5 in y 0.192 * [backup-simplify]: Simplify 0.5 into 0.5 0.192 * [backup-simplify]: Simplify (* 0.5 (/ 1 y)) into (/ 0.5 y) 0.193 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0 0.193 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 1)) into 0 0.193 * [backup-simplify]: Simplify (+ (/ 0.5 y) 0) into (* 0.5 (/ 1 y)) 0.193 * [backup-simplify]: Simplify (- (* 0.5 (/ 1 y))) into (- (* 0.5 (/ 1 y))) 0.193 * [taylor]: Taking taylor expansion of (- (* 0.5 (/ 1 y))) in y 0.193 * [taylor]: Taking taylor expansion of (* 0.5 (/ 1 y)) in y 0.193 * [taylor]: Taking taylor expansion of 0.5 in y 0.193 * [backup-simplify]: Simplify 0.5 into 0.5 0.193 * [taylor]: Taking taylor expansion of (/ 1 y) in y 0.193 * [taylor]: Taking taylor expansion of y in y 0.193 * [backup-simplify]: Simplify 0 into 0 0.193 * [backup-simplify]: Simplify 1 into 1 0.194 * [backup-simplify]: Simplify (/ 1 1) into 1 0.194 * [backup-simplify]: Simplify (* 0.5 1) into 0.5 0.194 * [backup-simplify]: Simplify (- 0.5) into (- 0.5) 0.194 * [backup-simplify]: Simplify (- 0.5) into (- 0.5) 0.195 * [backup-simplify]: Simplify (- 0.5) into (- 0.5) 0.195 * [backup-simplify]: Simplify (- 0.5) into (- 0.5) 0.195 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0 0.195 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 (/ 1 y))) into 0 0.196 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0 0.196 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 1))) into 0 0.197 * [backup-simplify]: Simplify (+ 0 0) into 0 0.197 * [backup-simplify]: Simplify (- 0) into 0 0.197 * [taylor]: Taking taylor expansion of 0 in y 0.197 * [backup-simplify]: Simplify 0 into 0 0.197 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0 0.198 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 1)) into 0 0.198 * [backup-simplify]: Simplify (- 0) into 0 0.198 * [backup-simplify]: Simplify 0 into 0 0.198 * [backup-simplify]: Simplify (- 0) into 0 0.198 * [backup-simplify]: Simplify 0 into 0 0.198 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0 0.199 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 (/ 1 y)))) into 0 0.199 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0 0.200 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0 0.200 * [backup-simplify]: Simplify (+ 0 0) into 0 0.200 * [backup-simplify]: Simplify (- 0) into 0 0.200 * [taylor]: Taking taylor expansion of 0 in y 0.200 * [backup-simplify]: Simplify 0 into 0 0.200 * [backup-simplify]: Simplify 0 into 0 0.201 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0 0.201 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 1))) into 0 0.201 * [backup-simplify]: Simplify (- 0) into 0 0.201 * [backup-simplify]: Simplify 0 into 0 0.202 * [backup-simplify]: Simplify (- 0) into 0 0.202 * [backup-simplify]: Simplify 0 into 0 0.202 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)) (* 0 (/ 0 y)))) into 0 0.203 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (* 0 (/ 1 y))))) into 0 0.203 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0 0.204 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0 0.204 * [backup-simplify]: Simplify (+ 0 0) into 0 0.204 * [backup-simplify]: Simplify (- 0) into 0 0.204 * [taylor]: Taking taylor expansion of 0 in y 0.204 * [backup-simplify]: Simplify 0 into 0 0.204 * [backup-simplify]: Simplify 0 into 0 0.205 * [backup-simplify]: Simplify (+ (* (- 0.5) (* 1 (/ 1 (/ 1 (- x))))) (* (- 0.5) (* (/ 1 (/ 1 (- y))) 1))) into (+ (* 0.5 x) (* 0.5 y)) 0.205 * * * [progress]: simplifying candidates 0.205 * [simplify]: Simplifying: (expm1 (+ x (/ (- y x) 2.0))) (log1p (+ x (/ (- y x) 2.0))) (* (exp x) (exp (/ (- y x) 2.0))) (log (+ x (/ (- y x) 2.0))) (exp (+ x (/ (- y x) 2.0))) (* (cbrt (+ x (/ (- y x) 2.0))) (cbrt (+ x (/ (- y x) 2.0)))) (cbrt (+ x (/ (- y x) 2.0))) (* (* (+ x (/ (- y x) 2.0)) (+ x (/ (- y x) 2.0))) (+ x (/ (- y x) 2.0))) (sqrt (+ x (/ (- y x) 2.0))) (sqrt (+ x (/ (- y x) 2.0))) (+ (pow x 3) (pow (/ (- y x) 2.0) 3)) (+ (* x x) (- (* (/ (- y x) 2.0) (/ (- y x) 2.0)) (* x (/ (- y x) 2.0)))) (- (* x x) (* (/ (- y x) 2.0) (/ (- y x) 2.0))) (- x (/ (- y x) 2.0)) (+ x (/ (- y x) 2.0)) (+ x (/ y 2.0)) (+ (* 0.5 x) (* 0.5 y)) (+ (* 0.5 x) (* 0.5 y)) (+ (* 0.5 x) (* 0.5 y)) 0.206 * * [simplify]: Extracting # 0 : cost 0 0.206 * * [simplify]: Extracting # 1 : cost 0 0.206 * * [simplify]: Extracting # 2 : cost 0 0.206 * * [simplify]: Extracting # 3 : cost 0 0.206 * * [simplify]: Extracting # 4 : cost 0 0.206 * * [simplify]: Extracting # 5 : cost 0 0.206 * * [simplify]: Extracting # 6 : cost 0 0.206 * * [simplify]: iteration 0 : 35 enodes (cost 194 ) 0.214 * * [simplify]: Extracting # 0 : cost 0 0.214 * * [simplify]: Extracting # 1 : cost 0 0.214 * * [simplify]: Extracting # 2 : cost 0 0.214 * * [simplify]: Extracting # 3 : cost 0 0.214 * * [simplify]: Extracting # 4 : cost 0 0.215 * * [simplify]: iteration 1 : 98 enodes (cost 180 ) 0.242 * * [simplify]: Extracting # 0 : cost 0 0.242 * * [simplify]: Extracting # 1 : cost 0 0.242 * * [simplify]: Extracting # 2 : cost 0 0.243 * * [simplify]: Extracting # 3 : cost 0 0.243 * * [simplify]: Extracting # 4 : cost 0 0.243 * * [simplify]: iteration 2 : 263 enodes (cost 166 ) 0.317 * * [simplify]: Extracting # 0 : cost 0 0.318 * * [simplify]: Extracting # 1 : cost 0 0.319 * * [simplify]: Extracting # 2 : cost 0 0.319 * * [simplify]: Extracting # 3 : cost 0 0.320 * * [simplify]: iteration 3 : 750 enodes (cost 166 ) 0.966 * * [simplify]: Extracting # 0 : cost 0 0.970 * * [simplify]: Extracting # 1 : cost 0 0.974 * * [simplify]: Extracting # 2 : cost 0 0.980 * * [simplify]: Extracting # 3 : cost 0 0.984 * * [simplify]: Extracting # 4 : cost 0 0.987 * * [simplify]: iteration 4 : 3539 enodes (cost 165 ) 1.781 * * [simplify]: Extracting # 0 : cost 0 1.786 * * [simplify]: Extracting # 1 : cost 0 1.791 * * [simplify]: iteration done: 5000 enodes (cost 165 ) 1.792 * [simplify]: Simplified to: (expm1 (+ x (/ (- y x) 2.0))) (log1p (+ x (/ (- y x) 2.0))) (exp (+ x (/ (- y x) 2.0))) (log (+ x (/ (- y x) 2.0))) (exp (+ x (/ (- y x) 2.0))) (* (cbrt (+ x (/ (- y x) 2.0))) (cbrt (+ x (/ (- y x) 2.0)))) (cbrt (+ x (/ (- y x) 2.0))) (pow (+ x (/ (- y x) 2.0)) 3) (sqrt (+ x (/ (- y x) 2.0))) (sqrt (+ x (/ (- y x) 2.0))) (+ (pow x 3) (pow (/ (- y x) 2.0) 3)) (fma x x (* (/ (- y x) 2.0) (- (/ (- y x) 2.0) x))) (fma (/ (- x y) 2.0) (/ (- y x) 2.0) (* x x)) (- x (/ (- y x) 2.0)) (+ x (/ (- y x) 2.0)) (+ x (/ y 2.0)) (* 0.5 (+ x y)) (* 0.5 (+ x y)) (* 0.5 (+ x y)) 1.792 * * * [progress]: adding candidates to table 1.834 * * [progress]: iteration 2 / 4 1.834 * * * [progress]: picking best candidate 1.835 * * * * [pick]: Picked # 1.835 * * * [progress]: localizing error 1.838 * * * [progress]: generating rewritten candidates 1.838 * * * [progress]: generating series expansions 1.838 * * * [progress]: simplifying candidates 1.839 * [simplify]: Simplifying: 1.839 * * [simplify]: Extracting # 0 : cost 0 1.839 * * [simplify]: iteration 0 : 0 enodes (cost 0 ) 1.839 * * [simplify]: Extracting # 0 : cost 0 1.839 * * [simplify]: iteration done: 0 enodes (cost 0 ) 1.839 * [simplify]: Simplified to: 1.839 * * * [progress]: adding candidates to table 1.839 * [progress]: [Phase 3 of 3] Extracting. 1.840 * [simplify]: Simplifying: (* 0.5 (+ x y)) 1.840 * * [simplify]: Extracting # 0 : cost 0 1.840 * * [simplify]: Extracting # 1 : cost 0 1.840 * * [simplify]: Extracting # 2 : cost 0 1.840 * * [simplify]: Extracting # 3 : cost 0 1.840 * * [simplify]: Extracting # 4 : cost 0 1.840 * * [simplify]: iteration 0 : 5 enodes (cost 5 ) 1.841 * * [simplify]: Extracting # 0 : cost 0 1.841 * * [simplify]: iteration 1 : 7 enodes (cost 5 ) 1.841 * * [simplify]: Extracting # 0 : cost 0 1.841 * * [simplify]: iteration done: 7 enodes (cost 5 ) 1.841 * [simplify]: Simplified to: (* 0.5 (+ x y)) 2.197 * [regime-testing]: End program error score: 0 2.218 * [regime-testing]: Target error score: 0