9.892 * [progress]: [Phase 1 of 3] Setting up. 0.001 * * * [progress]: [1/2] Preparing points 0.021 * * * [progress]: [2/2] Setting up program. 0.023 * [progress]: [Phase 2 of 3] Improving. 0.023 * [simplify]: Simplifying using # : (- (* 9.0 (pow x 4.0)) (* (* y y) (- (* y y) 2.0))) 0.026 * * [simplify]: iteration 0 : 23 enodes (cost 7 ) 0.027 * * [simplify]: iteration 1 : 58 enodes (cost 7 ) 0.029 * * [simplify]: iteration 2 : 156 enodes (cost 7 ) 0.032 * * [simplify]: iteration 3 : 325 enodes (cost 7 ) 0.038 * * [simplify]: iteration 4 : 730 enodes (cost 7 ) 0.053 * * [simplify]: iteration 5 : 2392 enodes (cost 7 ) 0.103 * * [simplify]: iteration 6 : 5001 enodes (cost 7 ) 0.104 * [simplify]: Simplified to: (- (* 9.0 (pow x 4.0)) (* (* y y) (- (* y y) 2.0))) 0.104 * * [progress]: iteration 1 / 4 0.104 * * * [progress]: picking best candidate 0.106 * * * * [pick]: Picked # 0.106 * * * [progress]: localizing error 0.115 * * * [progress]: generating rewritten candidates 0.115 * * * * [progress]: [ 1 / 1 ] rewriting at (2) 0.123 * * * [progress]: generating series expansions 0.123 * * * * [progress]: [ 1 / 1 ] generating series at (2) 0.123 * [approximate]: Taking taylor expansion of (- (+ (* 2.0 (pow y 2)) (* 9.0 (pow x 4))) (pow y 4)) in (x y) around 0 0.123 * [taylor]: Taking taylor expansion of (- (+ (* 2.0 (pow y 2)) (* 9.0 (pow x 4))) (pow y 4)) in y 0.124 * [taylor]: Taking taylor expansion of (+ (* 2.0 (pow y 2)) (* 9.0 (pow x 4))) in y 0.124 * [taylor]: Taking taylor expansion of (* 2.0 (pow y 2)) in y 0.124 * [taylor]: Taking taylor expansion of 2.0 in y 0.124 * [taylor]: Taking taylor expansion of (pow y 2) in y 0.124 * [taylor]: Taking taylor expansion of y in y 0.124 * [taylor]: Taking taylor expansion of (* 9.0 (pow x 4)) in y 0.124 * [taylor]: Taking taylor expansion of 9.0 in y 0.124 * [taylor]: Taking taylor expansion of (pow x 4) in y 0.124 * [taylor]: Taking taylor expansion of x in y 0.124 * [taylor]: Taking taylor expansion of (pow y 4) in y 0.124 * [taylor]: Taking taylor expansion of y in y 0.124 * [taylor]: Taking taylor expansion of (- (+ (* 2.0 (pow y 2)) (* 9.0 (pow x 4))) (pow y 4)) in x 0.124 * [taylor]: Taking taylor expansion of (+ (* 2.0 (pow y 2)) (* 9.0 (pow x 4))) in x 0.124 * [taylor]: Taking taylor expansion of (* 2.0 (pow y 2)) in x 0.124 * [taylor]: Taking taylor expansion of 2.0 in x 0.124 * [taylor]: Taking taylor expansion of (pow y 2) in x 0.124 * [taylor]: Taking taylor expansion of y in x 0.124 * [taylor]: Taking taylor expansion of (* 9.0 (pow x 4)) in x 0.124 * [taylor]: Taking taylor expansion of 9.0 in x 0.124 * [taylor]: Taking taylor expansion of (pow x 4) in x 0.124 * [taylor]: Taking taylor expansion of x in x 0.124 * [taylor]: Taking taylor expansion of (pow y 4) in x 0.124 * [taylor]: Taking taylor expansion of y in x 0.124 * [taylor]: Taking taylor expansion of (- (+ (* 2.0 (pow y 2)) (* 9.0 (pow x 4))) (pow y 4)) in x 0.124 * [taylor]: Taking taylor expansion of (+ (* 2.0 (pow y 2)) (* 9.0 (pow x 4))) in x 0.124 * [taylor]: Taking taylor expansion of (* 2.0 (pow y 2)) in x 0.124 * [taylor]: Taking taylor expansion of 2.0 in x 0.124 * [taylor]: Taking taylor expansion of (pow y 2) in x 0.124 * [taylor]: Taking taylor expansion of y in x 0.124 * [taylor]: Taking taylor expansion of (* 9.0 (pow x 4)) in x 0.124 * [taylor]: Taking taylor expansion of 9.0 in x 0.124 * [taylor]: Taking taylor expansion of (pow x 4) in x 0.124 * [taylor]: Taking taylor expansion of x in x 0.124 * [taylor]: Taking taylor expansion of (pow y 4) in x 0.124 * [taylor]: Taking taylor expansion of y in x 0.125 * [taylor]: Taking taylor expansion of (- (* 2.0 (pow y 2)) (pow y 4)) in y 0.125 * [taylor]: Taking taylor expansion of (* 2.0 (pow y 2)) in y 0.125 * [taylor]: Taking taylor expansion of 2.0 in y 0.125 * [taylor]: Taking taylor expansion of (pow y 2) in y 0.125 * [taylor]: Taking taylor expansion of y in y 0.125 * [taylor]: Taking taylor expansion of (pow y 4) in y 0.125 * [taylor]: Taking taylor expansion of y in y 0.126 * [taylor]: Taking taylor expansion of 0 in y 0.128 * [taylor]: Taking taylor expansion of 0 in y 0.132 * [taylor]: Taking taylor expansion of 0 in y 0.138 * [taylor]: Taking taylor expansion of 9.0 in y 0.141 * [approximate]: Taking taylor expansion of (- (+ (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (* 2.0 (/ 1 (pow y 2)))) (/ 1 (pow y 4))) in (x y) around 0 0.141 * [taylor]: Taking taylor expansion of (- (+ (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (* 2.0 (/ 1 (pow y 2)))) (/ 1 (pow y 4))) in y 0.141 * [taylor]: Taking taylor expansion of (+ (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (* 2.0 (/ 1 (pow y 2)))) in y 0.141 * [taylor]: Taking taylor expansion of (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) in y 0.141 * [taylor]: Taking taylor expansion of 9.0 in y 0.141 * [taylor]: Taking taylor expansion of (pow (/ 1 (pow x 4.0)) 1.0) in y 0.141 * [taylor]: Taking taylor expansion of (exp (* 1.0 (log (/ 1 (pow x 4.0))))) in y 0.141 * [taylor]: Taking taylor expansion of (* 1.0 (log (/ 1 (pow x 4.0)))) in y 0.141 * [taylor]: Taking taylor expansion of 1.0 in y 0.141 * [taylor]: Taking taylor expansion of (log (/ 1 (pow x 4.0))) in y 0.141 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4.0)) in y 0.141 * [taylor]: Taking taylor expansion of (pow x 4.0) in y 0.141 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log x))) in y 0.141 * [taylor]: Taking taylor expansion of (* 4.0 (log x)) in y 0.141 * [taylor]: Taking taylor expansion of 4.0 in y 0.141 * [taylor]: Taking taylor expansion of (log x) in y 0.141 * [taylor]: Taking taylor expansion of x in y 0.142 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (pow y 2))) in y 0.142 * [taylor]: Taking taylor expansion of 2.0 in y 0.142 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y 0.142 * [taylor]: Taking taylor expansion of (pow y 2) in y 0.142 * [taylor]: Taking taylor expansion of y in y 0.142 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in y 0.142 * [taylor]: Taking taylor expansion of (pow y 4) in y 0.142 * [taylor]: Taking taylor expansion of y in y 0.143 * [taylor]: Taking taylor expansion of (- (+ (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (* 2.0 (/ 1 (pow y 2)))) (/ 1 (pow y 4))) in x 0.143 * [taylor]: Taking taylor expansion of (+ (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (* 2.0 (/ 1 (pow y 2)))) in x 0.143 * [taylor]: Taking taylor expansion of (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) in x 0.143 * [taylor]: Taking taylor expansion of 9.0 in x 0.143 * [taylor]: Taking taylor expansion of (pow (/ 1 (pow x 4.0)) 1.0) in x 0.143 * [taylor]: Taking taylor expansion of (exp (* 1.0 (log (/ 1 (pow x 4.0))))) in x 0.143 * [taylor]: Taking taylor expansion of (* 1.0 (log (/ 1 (pow x 4.0)))) in x 0.143 * [taylor]: Taking taylor expansion of 1.0 in x 0.143 * [taylor]: Taking taylor expansion of (log (/ 1 (pow x 4.0))) in x 0.143 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4.0)) in x 0.143 * [taylor]: Taking taylor expansion of (pow x 4.0) in x 0.143 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log x))) in x 0.143 * [taylor]: Taking taylor expansion of (* 4.0 (log x)) in x 0.143 * [taylor]: Taking taylor expansion of 4.0 in x 0.143 * [taylor]: Taking taylor expansion of (log x) in x 0.143 * [taylor]: Taking taylor expansion of x in x 0.145 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (pow y 2))) in x 0.145 * [taylor]: Taking taylor expansion of 2.0 in x 0.145 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x 0.145 * [taylor]: Taking taylor expansion of (pow y 2) in x 0.145 * [taylor]: Taking taylor expansion of y in x 0.145 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in x 0.145 * [taylor]: Taking taylor expansion of (pow y 4) in x 0.145 * [taylor]: Taking taylor expansion of y in x 0.145 * [taylor]: Taking taylor expansion of (- (+ (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (* 2.0 (/ 1 (pow y 2)))) (/ 1 (pow y 4))) in x 0.145 * [taylor]: Taking taylor expansion of (+ (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (* 2.0 (/ 1 (pow y 2)))) in x 0.145 * [taylor]: Taking taylor expansion of (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) in x 0.145 * [taylor]: Taking taylor expansion of 9.0 in x 0.145 * [taylor]: Taking taylor expansion of (pow (/ 1 (pow x 4.0)) 1.0) in x 0.145 * [taylor]: Taking taylor expansion of (exp (* 1.0 (log (/ 1 (pow x 4.0))))) in x 0.145 * [taylor]: Taking taylor expansion of (* 1.0 (log (/ 1 (pow x 4.0)))) in x 0.145 * [taylor]: Taking taylor expansion of 1.0 in x 0.145 * [taylor]: Taking taylor expansion of (log (/ 1 (pow x 4.0))) in x 0.145 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4.0)) in x 0.145 * [taylor]: Taking taylor expansion of (pow x 4.0) in x 0.145 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log x))) in x 0.145 * [taylor]: Taking taylor expansion of (* 4.0 (log x)) in x 0.145 * [taylor]: Taking taylor expansion of 4.0 in x 0.145 * [taylor]: Taking taylor expansion of (log x) in x 0.145 * [taylor]: Taking taylor expansion of x in x 0.146 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (pow y 2))) in x 0.146 * [taylor]: Taking taylor expansion of 2.0 in x 0.146 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x 0.146 * [taylor]: Taking taylor expansion of (pow y 2) in x 0.146 * [taylor]: Taking taylor expansion of y in x 0.146 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in x 0.146 * [taylor]: Taking taylor expansion of (pow y 4) in x 0.146 * [taylor]: Taking taylor expansion of y in x 0.148 * [taylor]: Taking taylor expansion of (- (+ (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (* 2.0 (/ 1 (pow y 2)))) (/ 1 (pow y 4))) in y 0.148 * [taylor]: Taking taylor expansion of (+ (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (* 2.0 (/ 1 (pow y 2)))) in y 0.148 * [taylor]: Taking taylor expansion of (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) in y 0.148 * [taylor]: Taking taylor expansion of 9.0 in y 0.148 * [taylor]: Taking taylor expansion of (pow (/ 1 (pow x 4.0)) 1.0) in y 0.148 * [taylor]: Taking taylor expansion of (exp (* 1.0 (log (/ 1 (pow x 4.0))))) in y 0.148 * [taylor]: Taking taylor expansion of (* 1.0 (log (/ 1 (pow x 4.0)))) in y 0.148 * [taylor]: Taking taylor expansion of 1.0 in y 0.148 * [taylor]: Taking taylor expansion of (log (/ 1 (pow x 4.0))) in y 0.148 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4.0)) in y 0.148 * [taylor]: Taking taylor expansion of (pow x 4.0) in y 0.148 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log x))) in y 0.148 * [taylor]: Taking taylor expansion of (* 4.0 (log x)) in y 0.148 * [taylor]: Taking taylor expansion of 4.0 in y 0.148 * [taylor]: Taking taylor expansion of (log x) in y 0.148 * [taylor]: Taking taylor expansion of x in y 0.148 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (pow y 2))) in y 0.148 * [taylor]: Taking taylor expansion of 2.0 in y 0.149 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y 0.149 * [taylor]: Taking taylor expansion of (pow y 2) in y 0.149 * [taylor]: Taking taylor expansion of y in y 0.149 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in y 0.149 * [taylor]: Taking taylor expansion of (pow y 4) in y 0.149 * [taylor]: Taking taylor expansion of y in y 0.157 * [taylor]: Taking taylor expansion of 0 in y 0.173 * [taylor]: Taking taylor expansion of 0 in y 0.189 * [taylor]: Taking taylor expansion of 0 in y 0.212 * [taylor]: Taking taylor expansion of 0 in y 0.217 * [approximate]: Taking taylor expansion of (- (+ (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (* 2.0 (/ 1 (pow y 2)))) (/ 1 (pow y 4))) in (x y) around 0 0.217 * [taylor]: Taking taylor expansion of (- (+ (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (* 2.0 (/ 1 (pow y 2)))) (/ 1 (pow y 4))) in y 0.217 * [taylor]: Taking taylor expansion of (+ (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (* 2.0 (/ 1 (pow y 2)))) in y 0.217 * [taylor]: Taking taylor expansion of (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) in y 0.217 * [taylor]: Taking taylor expansion of 9.0 in y 0.217 * [taylor]: Taking taylor expansion of (pow (/ 1 (pow x 4.0)) 1.0) in y 0.217 * [taylor]: Taking taylor expansion of (exp (* 1.0 (log (/ 1 (pow x 4.0))))) in y 0.217 * [taylor]: Taking taylor expansion of (* 1.0 (log (/ 1 (pow x 4.0)))) in y 0.217 * [taylor]: Taking taylor expansion of 1.0 in y 0.217 * [taylor]: Taking taylor expansion of (log (/ 1 (pow x 4.0))) in y 0.217 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4.0)) in y 0.217 * [taylor]: Taking taylor expansion of (pow x 4.0) in y 0.217 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log x))) in y 0.217 * [taylor]: Taking taylor expansion of (* 4.0 (log x)) in y 0.217 * [taylor]: Taking taylor expansion of 4.0 in y 0.217 * [taylor]: Taking taylor expansion of (log x) in y 0.217 * [taylor]: Taking taylor expansion of x in y 0.218 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (pow y 2))) in y 0.218 * [taylor]: Taking taylor expansion of 2.0 in y 0.218 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y 0.218 * [taylor]: Taking taylor expansion of (pow y 2) in y 0.218 * [taylor]: Taking taylor expansion of y in y 0.218 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in y 0.218 * [taylor]: Taking taylor expansion of (pow y 4) in y 0.218 * [taylor]: Taking taylor expansion of y in y 0.219 * [taylor]: Taking taylor expansion of (- (+ (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (* 2.0 (/ 1 (pow y 2)))) (/ 1 (pow y 4))) in x 0.219 * [taylor]: Taking taylor expansion of (+ (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (* 2.0 (/ 1 (pow y 2)))) in x 0.219 * [taylor]: Taking taylor expansion of (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) in x 0.219 * [taylor]: Taking taylor expansion of 9.0 in x 0.219 * [taylor]: Taking taylor expansion of (pow (/ 1 (pow x 4.0)) 1.0) in x 0.219 * [taylor]: Taking taylor expansion of (exp (* 1.0 (log (/ 1 (pow x 4.0))))) in x 0.219 * [taylor]: Taking taylor expansion of (* 1.0 (log (/ 1 (pow x 4.0)))) in x 0.219 * [taylor]: Taking taylor expansion of 1.0 in x 0.219 * [taylor]: Taking taylor expansion of (log (/ 1 (pow x 4.0))) in x 0.219 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4.0)) in x 0.219 * [taylor]: Taking taylor expansion of (pow x 4.0) in x 0.219 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log x))) in x 0.219 * [taylor]: Taking taylor expansion of (* 4.0 (log x)) in x 0.219 * [taylor]: Taking taylor expansion of 4.0 in x 0.219 * [taylor]: Taking taylor expansion of (log x) in x 0.219 * [taylor]: Taking taylor expansion of x in x 0.220 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (pow y 2))) in x 0.220 * [taylor]: Taking taylor expansion of 2.0 in x 0.220 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x 0.220 * [taylor]: Taking taylor expansion of (pow y 2) in x 0.220 * [taylor]: Taking taylor expansion of y in x 0.220 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in x 0.220 * [taylor]: Taking taylor expansion of (pow y 4) in x 0.220 * [taylor]: Taking taylor expansion of y in x 0.221 * [taylor]: Taking taylor expansion of (- (+ (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (* 2.0 (/ 1 (pow y 2)))) (/ 1 (pow y 4))) in x 0.221 * [taylor]: Taking taylor expansion of (+ (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (* 2.0 (/ 1 (pow y 2)))) in x 0.221 * [taylor]: Taking taylor expansion of (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) in x 0.221 * [taylor]: Taking taylor expansion of 9.0 in x 0.221 * [taylor]: Taking taylor expansion of (pow (/ 1 (pow x 4.0)) 1.0) in x 0.221 * [taylor]: Taking taylor expansion of (exp (* 1.0 (log (/ 1 (pow x 4.0))))) in x 0.221 * [taylor]: Taking taylor expansion of (* 1.0 (log (/ 1 (pow x 4.0)))) in x 0.221 * [taylor]: Taking taylor expansion of 1.0 in x 0.221 * [taylor]: Taking taylor expansion of (log (/ 1 (pow x 4.0))) in x 0.221 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4.0)) in x 0.221 * [taylor]: Taking taylor expansion of (pow x 4.0) in x 0.221 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log x))) in x 0.221 * [taylor]: Taking taylor expansion of (* 4.0 (log x)) in x 0.221 * [taylor]: Taking taylor expansion of 4.0 in x 0.221 * [taylor]: Taking taylor expansion of (log x) in x 0.221 * [taylor]: Taking taylor expansion of x in x 0.222 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (pow y 2))) in x 0.222 * [taylor]: Taking taylor expansion of 2.0 in x 0.222 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in x 0.222 * [taylor]: Taking taylor expansion of (pow y 2) in x 0.222 * [taylor]: Taking taylor expansion of y in x 0.222 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in x 0.222 * [taylor]: Taking taylor expansion of (pow y 4) in x 0.222 * [taylor]: Taking taylor expansion of y in x 0.223 * [taylor]: Taking taylor expansion of (- (+ (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (* 2.0 (/ 1 (pow y 2)))) (/ 1 (pow y 4))) in y 0.223 * [taylor]: Taking taylor expansion of (+ (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (* 2.0 (/ 1 (pow y 2)))) in y 0.223 * [taylor]: Taking taylor expansion of (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) in y 0.223 * [taylor]: Taking taylor expansion of 9.0 in y 0.223 * [taylor]: Taking taylor expansion of (pow (/ 1 (pow x 4.0)) 1.0) in y 0.223 * [taylor]: Taking taylor expansion of (exp (* 1.0 (log (/ 1 (pow x 4.0))))) in y 0.223 * [taylor]: Taking taylor expansion of (* 1.0 (log (/ 1 (pow x 4.0)))) in y 0.223 * [taylor]: Taking taylor expansion of 1.0 in y 0.223 * [taylor]: Taking taylor expansion of (log (/ 1 (pow x 4.0))) in y 0.223 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4.0)) in y 0.223 * [taylor]: Taking taylor expansion of (pow x 4.0) in y 0.223 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log x))) in y 0.223 * [taylor]: Taking taylor expansion of (* 4.0 (log x)) in y 0.223 * [taylor]: Taking taylor expansion of 4.0 in y 0.224 * [taylor]: Taking taylor expansion of (log x) in y 0.224 * [taylor]: Taking taylor expansion of x in y 0.224 * [taylor]: Taking taylor expansion of (* 2.0 (/ 1 (pow y 2))) in y 0.224 * [taylor]: Taking taylor expansion of 2.0 in y 0.224 * [taylor]: Taking taylor expansion of (/ 1 (pow y 2)) in y 0.224 * [taylor]: Taking taylor expansion of (pow y 2) in y 0.224 * [taylor]: Taking taylor expansion of y in y 0.225 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in y 0.225 * [taylor]: Taking taylor expansion of (pow y 4) in y 0.225 * [taylor]: Taking taylor expansion of y in y 0.231 * [taylor]: Taking taylor expansion of 0 in y 0.242 * [taylor]: Taking taylor expansion of 0 in y 0.262 * [taylor]: Taking taylor expansion of 0 in y 0.285 * [taylor]: Taking taylor expansion of 0 in y 0.289 * * * [progress]: simplifying candidates 0.290 * [simplify]: Simplifying using # : (- (pow (* 9.0 (pow x 4.0)) 3) (pow (* (* y y) (- (* y y) 2.0)) 3)) (+ (* (* 9.0 (pow x 4.0)) (* 9.0 (pow x 4.0))) (+ (* (* (* y y) (- (* y y) 2.0)) (* (* y y) (- (* y y) 2.0))) (* (* 9.0 (pow x 4.0)) (* (* y y) (- (* y y) 2.0))))) (- (* (* y y) (- (* y y) 2.0))) (- (* (* 9.0 (pow x 4.0)) (* 9.0 (pow x 4.0))) (* (* (* y y) (- (* y y) 2.0)) (* (* y y) (- (* y y) 2.0)))) (+ (* 9.0 (pow x 4.0)) (* (* y y) (- (* y y) 2.0))) (- (* 9.0 (pow x 4.0)) (* (* y y) (* y y))) (- (* 9.0 (pow x 4.0)) (* (* y y) (* y y))) (- (* 9.0 (pow x 4.0)) (* (* y y) (* y y))) (- (* 9.0 (pow x 4.0)) (* (* y y) (* y y))) (- (* (* y y) (- (* y y) 2.0))) (- (+ (* 2.0 (pow y 2)) (* 9.0 (pow x 4))) (pow y 4)) (- (+ (* 2.0 (pow y 2)) (* 9.0 (pow x 4))) (pow y 4)) (- (+ (* 2.0 (pow y 2)) (* 9.0 (* (pow (/ 1 (pow -1 4.0)) 1.0) (pow x 4)))) (pow y 4)) 0.293 * * [simplify]: iteration 0 : 130 enodes (cost 108 ) 0.296 * * [simplify]: iteration 1 : 508 enodes (cost 102 ) 0.309 * * [simplify]: iteration 2 : 2329 enodes (cost 100 ) 0.367 * * [simplify]: iteration 3 : 5002 enodes (cost 100 ) 0.368 * [simplify]: Simplified to: (- (pow (* 9.0 (pow x 4.0)) 3) (pow (* (* y y) (- (* y y) 2.0)) 3)) (+ (* (* (* y y) (- (* y y) 2.0)) (+ (* (* y y) (- (* y y) 2.0)) (* 9.0 (pow x 4.0)))) (* (* 9.0 (pow x 4.0)) (* 9.0 (pow x 4.0)))) (- (* 2.0 (pow y 2)) (pow y 4)) (+ (* (- (pow y 4)) (* (- (* y y) 2.0) (- (* y y) 2.0))) (* 9.0 (* 9.0 (pow x (* 2 4.0))))) (+ (* 9.0 (pow x 4.0)) (* (* y y) (- (* y y) 2.0))) (+ (* 9.0 (pow x 4.0)) (- (pow y 4))) (+ (* 9.0 (pow x 4.0)) (- (pow y 4))) (+ (* 9.0 (pow x 4.0)) (- (pow y 4))) (+ (* 9.0 (pow x 4.0)) (- (pow y 4))) (- (* 2.0 (pow y 2)) (pow y 4)) (- (+ (* 2.0 (pow y 2)) (* 9.0 (pow x 4))) (pow y 4)) (- (+ (* 2.0 (pow y 2)) (* 9.0 (pow x 4))) (pow y 4)) (- (+ (* 2.0 (pow y 2)) (* 9.0 (* (pow (/ 1 (pow -1 4.0)) 1.0) (pow x 4)))) (pow y 4)) 0.368 * * * [progress]: adding candidates to table 0.387 * * [progress]: iteration 2 / 4 0.387 * * * [progress]: picking best candidate 0.390 * * * * [pick]: Picked # 0.390 * * * [progress]: localizing error 0.407 * * * [progress]: generating rewritten candidates 0.407 * * * * [progress]: [ 1 / 1 ] rewriting at (2 1) 0.412 * * * [progress]: generating series expansions 0.412 * * * * [progress]: [ 1 / 1 ] generating series at (2 1) 0.412 * [approximate]: Taking taylor expansion of (- (* 9.0 (pow x 4)) (pow y 4)) in (x y) around 0 0.412 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow x 4)) (pow y 4)) in y 0.412 * [taylor]: Taking taylor expansion of (* 9.0 (pow x 4)) in y 0.412 * [taylor]: Taking taylor expansion of 9.0 in y 0.412 * [taylor]: Taking taylor expansion of (pow x 4) in y 0.412 * [taylor]: Taking taylor expansion of x in y 0.412 * [taylor]: Taking taylor expansion of (pow y 4) in y 0.412 * [taylor]: Taking taylor expansion of y in y 0.412 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow x 4)) (pow y 4)) in x 0.412 * [taylor]: Taking taylor expansion of (* 9.0 (pow x 4)) in x 0.412 * [taylor]: Taking taylor expansion of 9.0 in x 0.412 * [taylor]: Taking taylor expansion of (pow x 4) in x 0.412 * [taylor]: Taking taylor expansion of x in x 0.412 * [taylor]: Taking taylor expansion of (pow y 4) in x 0.412 * [taylor]: Taking taylor expansion of y in x 0.412 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow x 4)) (pow y 4)) in x 0.412 * [taylor]: Taking taylor expansion of (* 9.0 (pow x 4)) in x 0.412 * [taylor]: Taking taylor expansion of 9.0 in x 0.413 * [taylor]: Taking taylor expansion of (pow x 4) in x 0.413 * [taylor]: Taking taylor expansion of x in x 0.413 * [taylor]: Taking taylor expansion of (pow y 4) in x 0.413 * [taylor]: Taking taylor expansion of y in x 0.413 * [taylor]: Taking taylor expansion of (- (pow y 4)) in y 0.413 * [taylor]: Taking taylor expansion of (pow y 4) in y 0.413 * [taylor]: Taking taylor expansion of y in y 0.414 * [taylor]: Taking taylor expansion of 0 in y 0.415 * [taylor]: Taking taylor expansion of 0 in y 0.417 * [taylor]: Taking taylor expansion of 0 in y 0.417 * [approximate]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in (x y) around 0 0.417 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in y 0.417 * [taylor]: Taking taylor expansion of (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) in y 0.417 * [taylor]: Taking taylor expansion of 9.0 in y 0.417 * [taylor]: Taking taylor expansion of (pow (/ 1 (pow x 4.0)) 1.0) in y 0.417 * [taylor]: Taking taylor expansion of (exp (* 1.0 (log (/ 1 (pow x 4.0))))) in y 0.417 * [taylor]: Taking taylor expansion of (* 1.0 (log (/ 1 (pow x 4.0)))) in y 0.417 * [taylor]: Taking taylor expansion of 1.0 in y 0.417 * [taylor]: Taking taylor expansion of (log (/ 1 (pow x 4.0))) in y 0.417 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4.0)) in y 0.417 * [taylor]: Taking taylor expansion of (pow x 4.0) in y 0.417 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log x))) in y 0.417 * [taylor]: Taking taylor expansion of (* 4.0 (log x)) in y 0.417 * [taylor]: Taking taylor expansion of 4.0 in y 0.417 * [taylor]: Taking taylor expansion of (log x) in y 0.417 * [taylor]: Taking taylor expansion of x in y 0.418 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in y 0.418 * [taylor]: Taking taylor expansion of (pow y 4) in y 0.418 * [taylor]: Taking taylor expansion of y in y 0.419 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in x 0.419 * [taylor]: Taking taylor expansion of (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) in x 0.419 * [taylor]: Taking taylor expansion of 9.0 in x 0.419 * [taylor]: Taking taylor expansion of (pow (/ 1 (pow x 4.0)) 1.0) in x 0.419 * [taylor]: Taking taylor expansion of (exp (* 1.0 (log (/ 1 (pow x 4.0))))) in x 0.419 * [taylor]: Taking taylor expansion of (* 1.0 (log (/ 1 (pow x 4.0)))) in x 0.419 * [taylor]: Taking taylor expansion of 1.0 in x 0.419 * [taylor]: Taking taylor expansion of (log (/ 1 (pow x 4.0))) in x 0.419 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4.0)) in x 0.419 * [taylor]: Taking taylor expansion of (pow x 4.0) in x 0.419 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log x))) in x 0.419 * [taylor]: Taking taylor expansion of (* 4.0 (log x)) in x 0.419 * [taylor]: Taking taylor expansion of 4.0 in x 0.419 * [taylor]: Taking taylor expansion of (log x) in x 0.419 * [taylor]: Taking taylor expansion of x in x 0.420 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in x 0.420 * [taylor]: Taking taylor expansion of (pow y 4) in x 0.420 * [taylor]: Taking taylor expansion of y in x 0.420 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in x 0.420 * [taylor]: Taking taylor expansion of (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) in x 0.420 * [taylor]: Taking taylor expansion of 9.0 in x 0.420 * [taylor]: Taking taylor expansion of (pow (/ 1 (pow x 4.0)) 1.0) in x 0.421 * [taylor]: Taking taylor expansion of (exp (* 1.0 (log (/ 1 (pow x 4.0))))) in x 0.421 * [taylor]: Taking taylor expansion of (* 1.0 (log (/ 1 (pow x 4.0)))) in x 0.421 * [taylor]: Taking taylor expansion of 1.0 in x 0.421 * [taylor]: Taking taylor expansion of (log (/ 1 (pow x 4.0))) in x 0.421 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4.0)) in x 0.421 * [taylor]: Taking taylor expansion of (pow x 4.0) in x 0.421 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log x))) in x 0.421 * [taylor]: Taking taylor expansion of (* 4.0 (log x)) in x 0.421 * [taylor]: Taking taylor expansion of 4.0 in x 0.421 * [taylor]: Taking taylor expansion of (log x) in x 0.421 * [taylor]: Taking taylor expansion of x in x 0.422 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in x 0.422 * [taylor]: Taking taylor expansion of (pow y 4) in x 0.422 * [taylor]: Taking taylor expansion of y in x 0.423 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in y 0.423 * [taylor]: Taking taylor expansion of (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) in y 0.423 * [taylor]: Taking taylor expansion of 9.0 in y 0.423 * [taylor]: Taking taylor expansion of (pow (/ 1 (pow x 4.0)) 1.0) in y 0.423 * [taylor]: Taking taylor expansion of (exp (* 1.0 (log (/ 1 (pow x 4.0))))) in y 0.423 * [taylor]: Taking taylor expansion of (* 1.0 (log (/ 1 (pow x 4.0)))) in y 0.423 * [taylor]: Taking taylor expansion of 1.0 in y 0.423 * [taylor]: Taking taylor expansion of (log (/ 1 (pow x 4.0))) in y 0.423 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4.0)) in y 0.423 * [taylor]: Taking taylor expansion of (pow x 4.0) in y 0.423 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log x))) in y 0.423 * [taylor]: Taking taylor expansion of (* 4.0 (log x)) in y 0.423 * [taylor]: Taking taylor expansion of 4.0 in y 0.423 * [taylor]: Taking taylor expansion of (log x) in y 0.423 * [taylor]: Taking taylor expansion of x in y 0.423 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in y 0.423 * [taylor]: Taking taylor expansion of (pow y 4) in y 0.423 * [taylor]: Taking taylor expansion of y in y 0.429 * [taylor]: Taking taylor expansion of 0 in y 0.439 * [taylor]: Taking taylor expansion of 0 in y 0.452 * [taylor]: Taking taylor expansion of 0 in y 0.472 * [taylor]: Taking taylor expansion of 0 in y 0.504 * [taylor]: Taking taylor expansion of 0 in y 0.547 * [taylor]: Taking taylor expansion of 0 in y 0.616 * [taylor]: Taking taylor expansion of 0 in y 0.617 * [approximate]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in (x y) around 0 0.617 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in y 0.617 * [taylor]: Taking taylor expansion of (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) in y 0.617 * [taylor]: Taking taylor expansion of 9.0 in y 0.617 * [taylor]: Taking taylor expansion of (pow (/ 1 (pow x 4.0)) 1.0) in y 0.617 * [taylor]: Taking taylor expansion of (exp (* 1.0 (log (/ 1 (pow x 4.0))))) in y 0.617 * [taylor]: Taking taylor expansion of (* 1.0 (log (/ 1 (pow x 4.0)))) in y 0.617 * [taylor]: Taking taylor expansion of 1.0 in y 0.617 * [taylor]: Taking taylor expansion of (log (/ 1 (pow x 4.0))) in y 0.617 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4.0)) in y 0.617 * [taylor]: Taking taylor expansion of (pow x 4.0) in y 0.617 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log x))) in y 0.617 * [taylor]: Taking taylor expansion of (* 4.0 (log x)) in y 0.617 * [taylor]: Taking taylor expansion of 4.0 in y 0.617 * [taylor]: Taking taylor expansion of (log x) in y 0.617 * [taylor]: Taking taylor expansion of x in y 0.617 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in y 0.617 * [taylor]: Taking taylor expansion of (pow y 4) in y 0.618 * [taylor]: Taking taylor expansion of y in y 0.619 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in x 0.619 * [taylor]: Taking taylor expansion of (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) in x 0.619 * [taylor]: Taking taylor expansion of 9.0 in x 0.619 * [taylor]: Taking taylor expansion of (pow (/ 1 (pow x 4.0)) 1.0) in x 0.619 * [taylor]: Taking taylor expansion of (exp (* 1.0 (log (/ 1 (pow x 4.0))))) in x 0.619 * [taylor]: Taking taylor expansion of (* 1.0 (log (/ 1 (pow x 4.0)))) in x 0.619 * [taylor]: Taking taylor expansion of 1.0 in x 0.619 * [taylor]: Taking taylor expansion of (log (/ 1 (pow x 4.0))) in x 0.619 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4.0)) in x 0.619 * [taylor]: Taking taylor expansion of (pow x 4.0) in x 0.619 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log x))) in x 0.619 * [taylor]: Taking taylor expansion of (* 4.0 (log x)) in x 0.619 * [taylor]: Taking taylor expansion of 4.0 in x 0.619 * [taylor]: Taking taylor expansion of (log x) in x 0.619 * [taylor]: Taking taylor expansion of x in x 0.620 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in x 0.620 * [taylor]: Taking taylor expansion of (pow y 4) in x 0.620 * [taylor]: Taking taylor expansion of y in x 0.620 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in x 0.620 * [taylor]: Taking taylor expansion of (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) in x 0.620 * [taylor]: Taking taylor expansion of 9.0 in x 0.620 * [taylor]: Taking taylor expansion of (pow (/ 1 (pow x 4.0)) 1.0) in x 0.620 * [taylor]: Taking taylor expansion of (exp (* 1.0 (log (/ 1 (pow x 4.0))))) in x 0.620 * [taylor]: Taking taylor expansion of (* 1.0 (log (/ 1 (pow x 4.0)))) in x 0.620 * [taylor]: Taking taylor expansion of 1.0 in x 0.620 * [taylor]: Taking taylor expansion of (log (/ 1 (pow x 4.0))) in x 0.620 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4.0)) in x 0.620 * [taylor]: Taking taylor expansion of (pow x 4.0) in x 0.620 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log x))) in x 0.620 * [taylor]: Taking taylor expansion of (* 4.0 (log x)) in x 0.620 * [taylor]: Taking taylor expansion of 4.0 in x 0.620 * [taylor]: Taking taylor expansion of (log x) in x 0.621 * [taylor]: Taking taylor expansion of x in x 0.622 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in x 0.622 * [taylor]: Taking taylor expansion of (pow y 4) in x 0.622 * [taylor]: Taking taylor expansion of y in x 0.622 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in y 0.622 * [taylor]: Taking taylor expansion of (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) in y 0.622 * [taylor]: Taking taylor expansion of 9.0 in y 0.622 * [taylor]: Taking taylor expansion of (pow (/ 1 (pow x 4.0)) 1.0) in y 0.623 * [taylor]: Taking taylor expansion of (exp (* 1.0 (log (/ 1 (pow x 4.0))))) in y 0.623 * [taylor]: Taking taylor expansion of (* 1.0 (log (/ 1 (pow x 4.0)))) in y 0.623 * [taylor]: Taking taylor expansion of 1.0 in y 0.623 * [taylor]: Taking taylor expansion of (log (/ 1 (pow x 4.0))) in y 0.623 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4.0)) in y 0.623 * [taylor]: Taking taylor expansion of (pow x 4.0) in y 0.623 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log x))) in y 0.623 * [taylor]: Taking taylor expansion of (* 4.0 (log x)) in y 0.623 * [taylor]: Taking taylor expansion of 4.0 in y 0.623 * [taylor]: Taking taylor expansion of (log x) in y 0.623 * [taylor]: Taking taylor expansion of x in y 0.623 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in y 0.623 * [taylor]: Taking taylor expansion of (pow y 4) in y 0.623 * [taylor]: Taking taylor expansion of y in y 0.629 * [taylor]: Taking taylor expansion of 0 in y 0.639 * [taylor]: Taking taylor expansion of 0 in y 0.659 * [taylor]: Taking taylor expansion of 0 in y 0.679 * [taylor]: Taking taylor expansion of 0 in y 0.707 * [taylor]: Taking taylor expansion of 0 in y 0.756 * [taylor]: Taking taylor expansion of 0 in y 0.825 * [taylor]: Taking taylor expansion of 0 in y 0.826 * * * [progress]: simplifying candidates 0.826 * [simplify]: Simplifying using # : (+ (pow (* 9.0 (pow x 4.0)) 3) (pow (- (pow y 4)) 3)) (+ (* (* 9.0 (pow x 4.0)) (* 9.0 (pow x 4.0))) (- (* (- (pow y 4)) (- (pow y 4))) (* (* 9.0 (pow x 4.0)) (- (pow y 4))))) (- (* (* 9.0 (pow x 4.0)) (* 9.0 (pow x 4.0))) (* (- (pow y 4)) (- (pow y 4)))) (- (* 9.0 (pow x 4.0)) (- (pow y 4))) (+ (* 9.0 (pow x 4.0)) 0) 0 (- (* 9.0 (pow x 4)) (pow y 4)) (- (* 9.0 (* (pow (/ 1 (pow -1 4.0)) 1.0) (pow x 4))) (pow y 4)) 0.829 * * [simplify]: iteration 0 : 98 enodes (cost 50 ) 0.831 * * [simplify]: iteration 1 : 360 enodes (cost 45 ) 0.840 * * [simplify]: iteration 2 : 1705 enodes (cost 40 ) 0.895 * * [simplify]: iteration 3 : 5002 enodes (cost 40 ) 0.895 * [simplify]: Simplified to: (- (pow (* 9.0 (pow x 4.0)) 3) (pow (pow y 4) 3)) (+ (* (* 9.0 (pow x 4.0)) (+ (pow y 4) (* 9.0 (pow x 4.0)))) (pow y 8)) (+ (* 9.0 (* 9.0 (pow x (* 2 4.0)))) (- 0 (pow y 8))) (+ (* 9.0 (pow x 4.0)) (pow y 4)) (* 9.0 (pow x 4.0)) 0 (- (* 9.0 (pow x 4)) (pow y 4)) (- (* 9.0 (* (pow (/ 1 (pow -1 4.0)) 1.0) (pow x 4))) (pow y 4)) 0.895 * * * [progress]: adding candidates to table 0.914 * [progress]: [Phase 3 of 3] Extracting. 0.916 * [simplify]: Simplifying using # : (- (+ (* 9.0 (pow x 4.0)) (- (pow y 4))) (* (* y y) (- 2.0))) 0.917 * * [simplify]: iteration 0 : 20 enodes (cost 9 ) 0.917 * * [simplify]: iteration 1 : 24 enodes (cost 9 ) 0.918 * * [simplify]: iteration 2 : 28 enodes (cost 9 ) 0.918 * * [simplify]: iteration 3 : 28 enodes (cost 9 ) 0.918 * [simplify]: Simplified to: (- (+ (* 9.0 (pow x 4.0)) (- (pow y 4))) (* (* y y) (- 2.0))) 1.497 * [regime-testing]: End program error score: 52.0