54.633 * [progress]: [Phase 1 of 3] Setting up. 0.001 * * * [progress]: [1/2] Preparing points 0.034 * * * [progress]: [2/2] Setting up program. 0.041 * [progress]: [Phase 2 of 3] Improving. 0.042 * [simplify]: Simplifying: (- x (* (* y 4.0) z)) 0.042 * * [simplify]: iteration 0: 7 enodes 0.044 * * [simplify]: iteration 1: 13 enodes 0.048 * * [simplify]: iteration 2: 30 enodes 0.059 * * [simplify]: iteration 3: 53 enodes 0.077 * * [simplify]: iteration 4: 55 enodes 0.090 * * [simplify]: iteration complete: 55 enodes 0.090 * * [simplify]: Extracting #0: cost 1 inf + 0 0.090 * * [simplify]: Extracting #1: cost 4 inf + 0 0.090 * * [simplify]: Extracting #2: cost 15 inf + 1 0.090 * * [simplify]: Extracting #3: cost 7 inf + 252 0.091 * * [simplify]: Extracting #4: cost 1 inf + 705 0.092 * * [simplify]: Extracting #5: cost 0 inf + 829 0.092 * [simplify]: Simplified to: (- x (* (* y z) 4.0)) 0.093 * * [progress]: iteration 1 / 4 0.093 * * * [progress]: picking best candidate 0.100 * * * * [pick]: Picked # 0.100 * * * [progress]: localizing error 0.117 * * * [progress]: generating rewritten candidates 0.117 * * * * [progress]: [ 1 / 1 ] rewriting at (2) 0.127 * * * [progress]: generating series expansions 0.127 * * * * [progress]: [ 1 / 1 ] generating series at (2) 0.127 * [backup-simplify]: Simplify (- x (* (* y 4.0) z)) into (- x (* 4.0 (* z y))) 0.127 * [approximate]: Taking taylor expansion of (- x (* 4.0 (* z y))) in (x y z) around 0 0.127 * [taylor]: Taking taylor expansion of (- x (* 4.0 (* z y))) in z 0.127 * [taylor]: Taking taylor expansion of x in z 0.127 * [backup-simplify]: Simplify x into x 0.127 * [taylor]: Taking taylor expansion of (* 4.0 (* z y)) in z 0.127 * [taylor]: Taking taylor expansion of 4.0 in z 0.127 * [backup-simplify]: Simplify 4.0 into 4.0 0.127 * [taylor]: Taking taylor expansion of (* z y) in z 0.127 * [taylor]: Taking taylor expansion of z in z 0.127 * [backup-simplify]: Simplify 0 into 0 0.127 * [backup-simplify]: Simplify 1 into 1 0.127 * [taylor]: Taking taylor expansion of y in z 0.127 * [backup-simplify]: Simplify y into y 0.127 * [taylor]: Taking taylor expansion of (- x (* 4.0 (* z y))) in y 0.127 * [taylor]: Taking taylor expansion of x in y 0.127 * [backup-simplify]: Simplify x into x 0.127 * [taylor]: Taking taylor expansion of (* 4.0 (* z y)) in y 0.127 * [taylor]: Taking taylor expansion of 4.0 in y 0.127 * [backup-simplify]: Simplify 4.0 into 4.0 0.127 * [taylor]: Taking taylor expansion of (* z y) in y 0.127 * [taylor]: Taking taylor expansion of z in y 0.127 * [backup-simplify]: Simplify z into z 0.127 * [taylor]: Taking taylor expansion of y in y 0.128 * [backup-simplify]: Simplify 0 into 0 0.128 * [backup-simplify]: Simplify 1 into 1 0.128 * [taylor]: Taking taylor expansion of (- x (* 4.0 (* z y))) in x 0.128 * [taylor]: Taking taylor expansion of x in x 0.128 * [backup-simplify]: Simplify 0 into 0 0.128 * [backup-simplify]: Simplify 1 into 1 0.128 * [taylor]: Taking taylor expansion of (* 4.0 (* z y)) in x 0.128 * [taylor]: Taking taylor expansion of 4.0 in x 0.128 * [backup-simplify]: Simplify 4.0 into 4.0 0.128 * [taylor]: Taking taylor expansion of (* z y) in x 0.128 * [taylor]: Taking taylor expansion of z in x 0.128 * [backup-simplify]: Simplify z into z 0.128 * [taylor]: Taking taylor expansion of y in x 0.128 * [backup-simplify]: Simplify y into y 0.128 * [taylor]: Taking taylor expansion of (- x (* 4.0 (* z y))) in x 0.128 * [taylor]: Taking taylor expansion of x in x 0.128 * [backup-simplify]: Simplify 0 into 0 0.128 * [backup-simplify]: Simplify 1 into 1 0.128 * [taylor]: Taking taylor expansion of (* 4.0 (* z y)) in x 0.128 * [taylor]: Taking taylor expansion of 4.0 in x 0.128 * [backup-simplify]: Simplify 4.0 into 4.0 0.128 * [taylor]: Taking taylor expansion of (* z y) in x 0.128 * [taylor]: Taking taylor expansion of z in x 0.128 * [backup-simplify]: Simplify z into z 0.128 * [taylor]: Taking taylor expansion of y in x 0.128 * [backup-simplify]: Simplify y into y 0.128 * [backup-simplify]: Simplify (* z y) into (* z y) 0.128 * [backup-simplify]: Simplify (* 4.0 (* z y)) into (* 4.0 (* z y)) 0.129 * [backup-simplify]: Simplify (- (* 4.0 (* z y))) into (- (* 4.0 (* z y))) 0.129 * [backup-simplify]: Simplify (+ 0 (- (* 4.0 (* z y)))) into (- (* 4.0 (* z y))) 0.129 * [taylor]: Taking taylor expansion of (- (* 4.0 (* z y))) in y 0.129 * [taylor]: Taking taylor expansion of (* 4.0 (* z y)) in y 0.129 * [taylor]: Taking taylor expansion of 4.0 in y 0.129 * [backup-simplify]: Simplify 4.0 into 4.0 0.129 * [taylor]: Taking taylor expansion of (* z y) in y 0.129 * [taylor]: Taking taylor expansion of z in y 0.129 * [backup-simplify]: Simplify z into z 0.129 * [taylor]: Taking taylor expansion of y in y 0.129 * [backup-simplify]: Simplify 0 into 0 0.129 * [backup-simplify]: Simplify 1 into 1 0.129 * [backup-simplify]: Simplify (* z 0) into 0 0.130 * [backup-simplify]: Simplify (* 4.0 0) into 0 0.130 * [backup-simplify]: Simplify (- 0) into 0 0.130 * [taylor]: Taking taylor expansion of 0 in z 0.130 * [backup-simplify]: Simplify 0 into 0 0.130 * [backup-simplify]: Simplify 0 into 0 0.130 * [backup-simplify]: Simplify (+ (* z 0) (* 0 y)) into 0 0.131 * [backup-simplify]: Simplify (+ (* 4.0 0) (* 0 (* z y))) into 0 0.131 * [backup-simplify]: Simplify (- 0) into 0 0.132 * [backup-simplify]: Simplify (+ 1 0) into 1 0.132 * [taylor]: Taking taylor expansion of 1 in y 0.132 * [backup-simplify]: Simplify 1 into 1 0.132 * [taylor]: Taking taylor expansion of 1 in z 0.132 * [backup-simplify]: Simplify 1 into 1 0.132 * [backup-simplify]: Simplify 1 into 1 0.132 * [backup-simplify]: Simplify (+ (* z 1) (* 0 0)) into z 0.133 * [backup-simplify]: Simplify (+ (* 4.0 z) (* 0 0)) into (* 4.0 z) 0.133 * [backup-simplify]: Simplify (- (* 4.0 z)) into (- (* 4.0 z)) 0.133 * [taylor]: Taking taylor expansion of (- (* 4.0 z)) in z 0.133 * [taylor]: Taking taylor expansion of (* 4.0 z) in z 0.133 * [taylor]: Taking taylor expansion of 4.0 in z 0.133 * [backup-simplify]: Simplify 4.0 into 4.0 0.133 * [taylor]: Taking taylor expansion of z in z 0.133 * [backup-simplify]: Simplify 0 into 0 0.133 * [backup-simplify]: Simplify 1 into 1 0.134 * [backup-simplify]: Simplify (* 4.0 0) into 0 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 (+ (* z 0) (+ (* 0 0) (* 0 y))) into 0 0.135 * [backup-simplify]: Simplify (+ (* 4.0 0) (+ (* 0 0) (* 0 (* z y)))) into 0 0.144 * [backup-simplify]: Simplify (- 0) into 0 0.145 * [backup-simplify]: Simplify (+ 0 0) into 0 0.145 * [taylor]: Taking taylor expansion of 0 in y 0.145 * [backup-simplify]: Simplify 0 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 0 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 0 into 0 0.146 * [backup-simplify]: Simplify (+ (* z 0) (+ (* 0 1) (* 0 0))) into 0 0.148 * [backup-simplify]: Simplify (+ (* 4.0 0) (+ (* 0 z) (* 0 0))) into 0 0.148 * [backup-simplify]: Simplify (- 0) into 0 0.148 * [taylor]: Taking taylor expansion of 0 in z 0.148 * [backup-simplify]: Simplify 0 into 0 0.148 * [backup-simplify]: Simplify 0 into 0 0.148 * [backup-simplify]: Simplify 0 into 0 0.148 * [backup-simplify]: Simplify (* 1 (* 1 (* 1 x))) into x 0.148 * [backup-simplify]: Simplify (- (/ 1 x) (* (* (/ 1 y) 4.0) (/ 1 z))) into (- (/ 1 x) (* 4.0 (/ 1 (* z y)))) 0.148 * [approximate]: Taking taylor expansion of (- (/ 1 x) (* 4.0 (/ 1 (* z y)))) in (x y z) around 0 0.149 * [taylor]: Taking taylor expansion of (- (/ 1 x) (* 4.0 (/ 1 (* z y)))) in z 0.149 * [taylor]: Taking taylor expansion of (/ 1 x) in z 0.149 * [taylor]: Taking taylor expansion of x in z 0.149 * [backup-simplify]: Simplify x into x 0.149 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x) 0.149 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in z 0.149 * [taylor]: Taking taylor expansion of 4.0 in z 0.149 * [backup-simplify]: Simplify 4.0 into 4.0 0.149 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in z 0.149 * [taylor]: Taking taylor expansion of (* z y) in z 0.149 * [taylor]: Taking taylor expansion of z in z 0.149 * [backup-simplify]: Simplify 0 into 0 0.149 * [backup-simplify]: Simplify 1 into 1 0.149 * [taylor]: Taking taylor expansion of y in z 0.149 * [backup-simplify]: Simplify y into y 0.149 * [backup-simplify]: Simplify (* 0 y) into 0 0.149 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 y)) into y 0.150 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y) 0.150 * [taylor]: Taking taylor expansion of (- (/ 1 x) (* 4.0 (/ 1 (* z y)))) in y 0.150 * [taylor]: Taking taylor expansion of (/ 1 x) in y 0.150 * [taylor]: Taking taylor expansion of x in y 0.150 * [backup-simplify]: Simplify x into x 0.150 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x) 0.150 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in y 0.150 * [taylor]: Taking taylor expansion of 4.0 in y 0.150 * [backup-simplify]: Simplify 4.0 into 4.0 0.150 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in y 0.150 * [taylor]: Taking taylor expansion of (* z y) in y 0.150 * [taylor]: Taking taylor expansion of z in y 0.150 * [backup-simplify]: Simplify z into z 0.150 * [taylor]: Taking taylor expansion of y in y 0.150 * [backup-simplify]: Simplify 0 into 0 0.150 * [backup-simplify]: Simplify 1 into 1 0.150 * [backup-simplify]: Simplify (* z 0) into 0 0.150 * [backup-simplify]: Simplify (+ (* z 1) (* 0 0)) into z 0.151 * [backup-simplify]: Simplify (/ 1 z) into (/ 1 z) 0.151 * [taylor]: Taking taylor expansion of (- (/ 1 x) (* 4.0 (/ 1 (* z y)))) in x 0.151 * [taylor]: Taking taylor expansion of (/ 1 x) in x 0.151 * [taylor]: Taking taylor expansion of x in x 0.151 * [backup-simplify]: Simplify 0 into 0 0.151 * [backup-simplify]: Simplify 1 into 1 0.151 * [backup-simplify]: Simplify (/ 1 1) into 1 0.151 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in x 0.151 * [taylor]: Taking taylor expansion of 4.0 in x 0.151 * [backup-simplify]: Simplify 4.0 into 4.0 0.151 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in x 0.151 * [taylor]: Taking taylor expansion of (* z y) in x 0.151 * [taylor]: Taking taylor expansion of z in x 0.151 * [backup-simplify]: Simplify z into z 0.151 * [taylor]: Taking taylor expansion of y in x 0.151 * [backup-simplify]: Simplify y into y 0.151 * [backup-simplify]: Simplify (* z y) into (* z y) 0.152 * [backup-simplify]: Simplify (/ 1 (* z y)) into (/ 1 (* z y)) 0.152 * [taylor]: Taking taylor expansion of (- (/ 1 x) (* 4.0 (/ 1 (* z y)))) in x 0.152 * [taylor]: Taking taylor expansion of (/ 1 x) in x 0.152 * [taylor]: Taking taylor expansion of x in x 0.152 * [backup-simplify]: Simplify 0 into 0 0.152 * [backup-simplify]: Simplify 1 into 1 0.152 * [backup-simplify]: Simplify (/ 1 1) into 1 0.152 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in x 0.152 * [taylor]: Taking taylor expansion of 4.0 in x 0.152 * [backup-simplify]: Simplify 4.0 into 4.0 0.152 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in x 0.152 * [taylor]: Taking taylor expansion of (* z y) in x 0.152 * [taylor]: Taking taylor expansion of z in x 0.152 * [backup-simplify]: Simplify z into z 0.152 * [taylor]: Taking taylor expansion of y in x 0.152 * [backup-simplify]: Simplify y into y 0.152 * [backup-simplify]: Simplify (* z y) into (* z y) 0.152 * [backup-simplify]: Simplify (/ 1 (* z y)) into (/ 1 (* z y)) 0.153 * [backup-simplify]: Simplify (+ 1 0) into 1 0.153 * [taylor]: Taking taylor expansion of 1 in y 0.153 * [backup-simplify]: Simplify 1 into 1 0.154 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0 0.154 * [backup-simplify]: Simplify (* 4.0 (/ 1 (* z y))) into (/ 4.0 (* z y)) 0.154 * [backup-simplify]: Simplify (- (/ 4.0 (* z y))) into (- (* 4.0 (/ 1 (* z y)))) 0.154 * [backup-simplify]: Simplify (+ 0 (- (* 4.0 (/ 1 (* z y))))) into (- (* 4.0 (/ 1 (* z y)))) 0.154 * [taylor]: Taking taylor expansion of (- (* 4.0 (/ 1 (* z y)))) in y 0.154 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in y 0.154 * [taylor]: Taking taylor expansion of 4.0 in y 0.154 * [backup-simplify]: Simplify 4.0 into 4.0 0.154 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in y 0.154 * [taylor]: Taking taylor expansion of (* z y) in y 0.154 * [taylor]: Taking taylor expansion of z in y 0.155 * [backup-simplify]: Simplify z into z 0.155 * [taylor]: Taking taylor expansion of y in y 0.155 * [backup-simplify]: Simplify 0 into 0 0.155 * [backup-simplify]: Simplify 1 into 1 0.155 * [backup-simplify]: Simplify (* z 0) into 0 0.155 * [backup-simplify]: Simplify (+ (* z 1) (* 0 0)) into z 0.155 * [backup-simplify]: Simplify (/ 1 z) into (/ 1 z) 0.155 * [backup-simplify]: Simplify (* 4.0 (/ 1 z)) into (/ 4.0 z) 0.155 * [backup-simplify]: Simplify (- (/ 4.0 z)) into (- (* 4.0 (/ 1 z))) 0.155 * [taylor]: Taking taylor expansion of (- (* 4.0 (/ 1 z))) in z 0.155 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 z)) in z 0.155 * [taylor]: Taking taylor expansion of 4.0 in z 0.155 * [backup-simplify]: Simplify 4.0 into 4.0 0.155 * [taylor]: Taking taylor expansion of (/ 1 z) in z 0.156 * [taylor]: Taking taylor expansion of z in z 0.156 * [backup-simplify]: Simplify 0 into 0 0.156 * [backup-simplify]: Simplify 1 into 1 0.156 * [backup-simplify]: Simplify (/ 1 1) into 1 0.156 * [backup-simplify]: Simplify (* 4.0 1) into 4.0 0.157 * [backup-simplify]: Simplify (- 4.0) into (- 4.0) 0.157 * [backup-simplify]: Simplify (- 4.0) into (- 4.0) 0.157 * [taylor]: Taking taylor expansion of 1 in z 0.157 * [backup-simplify]: Simplify 1 into 1 0.158 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0 0.158 * [backup-simplify]: Simplify (+ (* z 0) (* 0 y)) into 0 0.159 * [backup-simplify]: Simplify (- (+ (* (/ 1 (* z y)) (/ 0 (* z y))))) into 0 0.159 * [backup-simplify]: Simplify (+ (* 4.0 0) (* 0 (/ 1 (* z y)))) into 0 0.159 * [backup-simplify]: Simplify (- 0) into 0 0.159 * [backup-simplify]: Simplify (+ 0 0) into 0 0.159 * [taylor]: Taking taylor expansion of 0 in y 0.159 * [backup-simplify]: Simplify 0 into 0 0.160 * [backup-simplify]: Simplify (+ (* z 0) (+ (* 0 1) (* 0 0))) into 0 0.160 * [backup-simplify]: Simplify (- (+ (* (/ 1 z) (/ 0 z)))) into 0 0.160 * [backup-simplify]: Simplify (+ (* 4.0 0) (* 0 (/ 1 z))) into 0 0.161 * [backup-simplify]: Simplify (- 0) into 0 0.161 * [taylor]: Taking taylor expansion of 0 in z 0.161 * [backup-simplify]: Simplify 0 into 0 0.161 * [taylor]: Taking taylor expansion of 0 in z 0.161 * [backup-simplify]: Simplify 0 into 0 0.161 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0 0.162 * [backup-simplify]: Simplify (+ (* 4.0 0) (* 0 1)) into 0 0.162 * [backup-simplify]: Simplify (- 0) into 0 0.162 * [backup-simplify]: Simplify 0 into 0 0.162 * [backup-simplify]: Simplify 1 into 1 0.162 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0 0.163 * [backup-simplify]: Simplify (+ (* z 0) (+ (* 0 0) (* 0 y))) into 0 0.163 * [backup-simplify]: Simplify (- (+ (* (/ 1 (* z y)) (/ 0 (* z y))) (* 0 (/ 0 (* z y))))) into 0 0.163 * [backup-simplify]: Simplify (+ (* 4.0 0) (+ (* 0 0) (* 0 (/ 1 (* z y))))) into 0 0.164 * [backup-simplify]: Simplify (- 0) into 0 0.164 * [backup-simplify]: Simplify (+ 0 0) into 0 0.164 * [taylor]: Taking taylor expansion of 0 in y 0.164 * [backup-simplify]: Simplify 0 into 0 0.164 * [taylor]: Taking taylor expansion of 0 in z 0.164 * [backup-simplify]: Simplify 0 into 0 0.165 * [backup-simplify]: Simplify (+ (* z 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))) into 0 0.165 * [backup-simplify]: Simplify (- (+ (* (/ 1 z) (/ 0 z)) (* 0 (/ 0 z)))) into 0 0.165 * [backup-simplify]: Simplify (+ (* 4.0 0) (+ (* 0 0) (* 0 (/ 1 z)))) into 0 0.165 * [backup-simplify]: Simplify (- 0) into 0 0.165 * [taylor]: Taking taylor expansion of 0 in z 0.165 * [backup-simplify]: Simplify 0 into 0 0.165 * [taylor]: Taking taylor expansion of 0 in z 0.165 * [backup-simplify]: Simplify 0 into 0 0.166 * [backup-simplify]: Simplify 0 into 0 0.166 * [backup-simplify]: Simplify 0 into 0 0.166 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0 0.167 * [backup-simplify]: Simplify (+ (* 4.0 0) (+ (* 0 0) (* 0 1))) into 0 0.167 * [backup-simplify]: Simplify (- 0) into 0 0.167 * [backup-simplify]: Simplify 0 into 0 0.167 * [backup-simplify]: Simplify 0 into 0 0.168 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0 0.168 * [backup-simplify]: Simplify (+ (* z 0) (+ (* 0 0) (+ (* 0 0) (* 0 y)))) into 0 0.169 * [backup-simplify]: Simplify (- (+ (* (/ 1 (* z y)) (/ 0 (* z y))) (* 0 (/ 0 (* z y))) (* 0 (/ 0 (* z y))))) into 0 0.169 * [backup-simplify]: Simplify (+ (* 4.0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (/ 1 (* z y)))))) into 0 0.170 * [backup-simplify]: Simplify (- 0) into 0 0.170 * [backup-simplify]: Simplify (+ 0 0) into 0 0.170 * [taylor]: Taking taylor expansion of 0 in y 0.170 * [backup-simplify]: Simplify 0 into 0 0.170 * [taylor]: Taking taylor expansion of 0 in z 0.170 * [backup-simplify]: Simplify 0 into 0 0.170 * [taylor]: Taking taylor expansion of 0 in z 0.170 * [backup-simplify]: Simplify 0 into 0 0.170 * [backup-simplify]: Simplify (+ (* z 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0))))) into 0 0.171 * [backup-simplify]: Simplify (- (+ (* (/ 1 z) (/ 0 z)) (* 0 (/ 0 z)) (* 0 (/ 0 z)))) into 0 0.172 * [backup-simplify]: Simplify (+ (* 4.0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (/ 1 z))))) into 0 0.172 * [backup-simplify]: Simplify (- 0) into 0 0.172 * [taylor]: Taking taylor expansion of 0 in z 0.172 * [backup-simplify]: Simplify 0 into 0 0.172 * [taylor]: Taking taylor expansion of 0 in z 0.172 * [backup-simplify]: Simplify 0 into 0 0.172 * [backup-simplify]: Simplify 0 into 0 0.172 * [backup-simplify]: Simplify 0 into 0 0.172 * [backup-simplify]: Simplify (+ (* 1 (* 1 (* 1 (/ 1 (/ 1 x))))) (* (- 4.0) (* (/ 1 (/ 1 z)) (* (/ 1 (/ 1 y)) 1)))) into (- x (* 4.0 (* z y))) 0.173 * [backup-simplify]: Simplify (- (/ 1 (- x)) (* (* (/ 1 (- y)) 4.0) (/ 1 (- z)))) into (- (+ (* 4.0 (/ 1 (* z y))) (/ 1 x))) 0.173 * [approximate]: Taking taylor expansion of (- (+ (* 4.0 (/ 1 (* z y))) (/ 1 x))) in (x y z) around 0 0.173 * [taylor]: Taking taylor expansion of (- (+ (* 4.0 (/ 1 (* z y))) (/ 1 x))) in z 0.173 * [taylor]: Taking taylor expansion of (+ (* 4.0 (/ 1 (* z y))) (/ 1 x)) in z 0.173 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in z 0.173 * [taylor]: Taking taylor expansion of 4.0 in z 0.173 * [backup-simplify]: Simplify 4.0 into 4.0 0.173 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in z 0.173 * [taylor]: Taking taylor expansion of (* z y) in z 0.173 * [taylor]: Taking taylor expansion of z in z 0.173 * [backup-simplify]: Simplify 0 into 0 0.173 * [backup-simplify]: Simplify 1 into 1 0.173 * [taylor]: Taking taylor expansion of y in z 0.173 * [backup-simplify]: Simplify y into y 0.173 * [backup-simplify]: Simplify (* 0 y) into 0 0.173 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 y)) into y 0.173 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y) 0.173 * [taylor]: Taking taylor expansion of (/ 1 x) in z 0.173 * [taylor]: Taking taylor expansion of x in z 0.173 * [backup-simplify]: Simplify x into x 0.173 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x) 0.173 * [taylor]: Taking taylor expansion of (- (+ (* 4.0 (/ 1 (* z y))) (/ 1 x))) in y 0.173 * [taylor]: Taking taylor expansion of (+ (* 4.0 (/ 1 (* z y))) (/ 1 x)) in y 0.173 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in y 0.173 * [taylor]: Taking taylor expansion of 4.0 in y 0.173 * [backup-simplify]: Simplify 4.0 into 4.0 0.173 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in y 0.173 * [taylor]: Taking taylor expansion of (* z y) in y 0.173 * [taylor]: Taking taylor expansion of z in y 0.173 * [backup-simplify]: Simplify z into z 0.173 * [taylor]: Taking taylor expansion of y in y 0.173 * [backup-simplify]: Simplify 0 into 0 0.173 * [backup-simplify]: Simplify 1 into 1 0.174 * [backup-simplify]: Simplify (* z 0) into 0 0.174 * [backup-simplify]: Simplify (+ (* z 1) (* 0 0)) into z 0.174 * [backup-simplify]: Simplify (/ 1 z) into (/ 1 z) 0.174 * [taylor]: Taking taylor expansion of (/ 1 x) in y 0.174 * [taylor]: Taking taylor expansion of x in y 0.174 * [backup-simplify]: Simplify x into x 0.174 * [backup-simplify]: Simplify (/ 1 x) into (/ 1 x) 0.174 * [taylor]: Taking taylor expansion of (- (+ (* 4.0 (/ 1 (* z y))) (/ 1 x))) in x 0.174 * [taylor]: Taking taylor expansion of (+ (* 4.0 (/ 1 (* z y))) (/ 1 x)) in x 0.174 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in x 0.174 * [taylor]: Taking taylor expansion of 4.0 in x 0.174 * [backup-simplify]: Simplify 4.0 into 4.0 0.174 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in x 0.174 * [taylor]: Taking taylor expansion of (* z y) in x 0.174 * [taylor]: Taking taylor expansion of z in x 0.174 * [backup-simplify]: Simplify z into z 0.174 * [taylor]: Taking taylor expansion of y in x 0.174 * [backup-simplify]: Simplify y into y 0.174 * [backup-simplify]: Simplify (* z y) into (* z y) 0.174 * [backup-simplify]: Simplify (/ 1 (* z y)) into (/ 1 (* z y)) 0.174 * [taylor]: Taking taylor expansion of (/ 1 x) in x 0.174 * [taylor]: Taking taylor expansion of x in x 0.174 * [backup-simplify]: Simplify 0 into 0 0.174 * [backup-simplify]: Simplify 1 into 1 0.175 * [backup-simplify]: Simplify (/ 1 1) into 1 0.175 * [taylor]: Taking taylor expansion of (- (+ (* 4.0 (/ 1 (* z y))) (/ 1 x))) in x 0.175 * [taylor]: Taking taylor expansion of (+ (* 4.0 (/ 1 (* z y))) (/ 1 x)) in x 0.175 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in x 0.175 * [taylor]: Taking taylor expansion of 4.0 in x 0.175 * [backup-simplify]: Simplify 4.0 into 4.0 0.175 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in x 0.175 * [taylor]: Taking taylor expansion of (* z y) in x 0.175 * [taylor]: Taking taylor expansion of z in x 0.175 * [backup-simplify]: Simplify z into z 0.175 * [taylor]: Taking taylor expansion of y in x 0.175 * [backup-simplify]: Simplify y into y 0.175 * [backup-simplify]: Simplify (* z y) into (* z y) 0.175 * [backup-simplify]: Simplify (/ 1 (* z y)) into (/ 1 (* z y)) 0.175 * [taylor]: Taking taylor expansion of (/ 1 x) in x 0.175 * [taylor]: Taking taylor expansion of x in x 0.175 * [backup-simplify]: Simplify 0 into 0 0.175 * [backup-simplify]: Simplify 1 into 1 0.175 * [backup-simplify]: Simplify (/ 1 1) into 1 0.175 * [backup-simplify]: Simplify (+ 0 1) into 1 0.176 * [backup-simplify]: Simplify (- 1) into -1 0.176 * [taylor]: Taking taylor expansion of -1 in y 0.176 * [backup-simplify]: Simplify -1 into -1 0.176 * [backup-simplify]: Simplify (* 4.0 (/ 1 (* z y))) into (/ 4.0 (* z y)) 0.176 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0 0.176 * [backup-simplify]: Simplify (+ (/ 4.0 (* z y)) 0) into (* 4.0 (/ 1 (* z y))) 0.176 * [backup-simplify]: Simplify (- (* 4.0 (/ 1 (* z y)))) into (- (* 4.0 (/ 1 (* z y)))) 0.176 * [taylor]: Taking taylor expansion of (- (* 4.0 (/ 1 (* z y)))) in y 0.176 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 (* z y))) in y 0.177 * [taylor]: Taking taylor expansion of 4.0 in y 0.177 * [backup-simplify]: Simplify 4.0 into 4.0 0.177 * [taylor]: Taking taylor expansion of (/ 1 (* z y)) in y 0.177 * [taylor]: Taking taylor expansion of (* z y) in y 0.177 * [taylor]: Taking taylor expansion of z in y 0.177 * [backup-simplify]: Simplify z into z 0.177 * [taylor]: Taking taylor expansion of y in y 0.177 * [backup-simplify]: Simplify 0 into 0 0.177 * [backup-simplify]: Simplify 1 into 1 0.177 * [backup-simplify]: Simplify (* z 0) into 0 0.177 * [backup-simplify]: Simplify (+ (* z 1) (* 0 0)) into z 0.177 * [backup-simplify]: Simplify (/ 1 z) into (/ 1 z) 0.177 * [backup-simplify]: Simplify (* 4.0 (/ 1 z)) into (/ 4.0 z) 0.177 * [backup-simplify]: Simplify (- (/ 4.0 z)) into (- (* 4.0 (/ 1 z))) 0.177 * [taylor]: Taking taylor expansion of (- (* 4.0 (/ 1 z))) in z 0.177 * [taylor]: Taking taylor expansion of (* 4.0 (/ 1 z)) in z 0.177 * [taylor]: Taking taylor expansion of 4.0 in z 0.177 * [backup-simplify]: Simplify 4.0 into 4.0 0.177 * [taylor]: Taking taylor expansion of (/ 1 z) in z 0.177 * [taylor]: Taking taylor expansion of z in z 0.177 * [backup-simplify]: Simplify 0 into 0 0.177 * [backup-simplify]: Simplify 1 into 1 0.177 * [backup-simplify]: Simplify (/ 1 1) into 1 0.178 * [backup-simplify]: Simplify (* 4.0 1) into 4.0 0.178 * [backup-simplify]: Simplify (- 4.0) into (- 4.0) 0.178 * [backup-simplify]: Simplify (- 4.0) into (- 4.0) 0.178 * [taylor]: Taking taylor expansion of -1 in z 0.178 * [backup-simplify]: Simplify -1 into -1 0.178 * [backup-simplify]: Simplify (+ (* z 0) (* 0 y)) into 0 0.179 * [backup-simplify]: Simplify (- (+ (* (/ 1 (* z y)) (/ 0 (* z y))))) into 0 0.179 * [backup-simplify]: Simplify (+ (* 4.0 0) (* 0 (/ 1 (* z y)))) into 0 0.179 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0 0.180 * [backup-simplify]: Simplify (+ 0 0) into 0 0.180 * [backup-simplify]: Simplify (- 0) into 0 0.180 * [taylor]: Taking taylor expansion of 0 in y 0.180 * [backup-simplify]: Simplify 0 into 0 0.180 * [backup-simplify]: Simplify (+ (* z 0) (+ (* 0 1) (* 0 0))) into 0 0.180 * [backup-simplify]: Simplify (- (+ (* (/ 1 z) (/ 0 z)))) into 0 0.181 * [backup-simplify]: Simplify (+ (* 4.0 0) (* 0 (/ 1 z))) into 0 0.181 * [backup-simplify]: Simplify (- 0) into 0 0.181 * [taylor]: Taking taylor expansion of 0 in z 0.181 * [backup-simplify]: Simplify 0 into 0 0.181 * [taylor]: Taking taylor expansion of 0 in z 0.181 * [backup-simplify]: Simplify 0 into 0 0.182 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0 0.182 * [backup-simplify]: Simplify (+ (* 4.0 0) (* 0 1)) into 0 0.182 * [backup-simplify]: Simplify (- 0) into 0 0.182 * [backup-simplify]: Simplify 0 into 0 0.182 * [backup-simplify]: Simplify -1 into -1 0.183 * [backup-simplify]: Simplify (+ (* z 0) (+ (* 0 0) (* 0 y))) into 0 0.183 * [backup-simplify]: Simplify (- (+ (* (/ 1 (* z y)) (/ 0 (* z y))) (* 0 (/ 0 (* z y))))) into 0 0.183 * [backup-simplify]: Simplify (+ (* 4.0 0) (+ (* 0 0) (* 0 (/ 1 (* z y))))) into 0 0.184 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0 0.184 * [backup-simplify]: Simplify (+ 0 0) into 0 0.184 * [backup-simplify]: Simplify (- 0) into 0 0.184 * [taylor]: Taking taylor expansion of 0 in y 0.184 * [backup-simplify]: Simplify 0 into 0 0.184 * [taylor]: Taking taylor expansion of 0 in z 0.184 * [backup-simplify]: Simplify 0 into 0 0.185 * [backup-simplify]: Simplify (+ (* z 0) (+ (* 0 0) (+ (* 0 1) (* 0 0)))) into 0 0.185 * [backup-simplify]: Simplify (- (+ (* (/ 1 z) (/ 0 z)) (* 0 (/ 0 z)))) into 0 0.185 * [backup-simplify]: Simplify (+ (* 4.0 0) (+ (* 0 0) (* 0 (/ 1 z)))) into 0 0.186 * [backup-simplify]: Simplify (- 0) into 0 0.186 * [taylor]: Taking taylor expansion of 0 in z 0.186 * [backup-simplify]: Simplify 0 into 0 0.186 * [taylor]: Taking taylor expansion of 0 in z 0.186 * [backup-simplify]: Simplify 0 into 0 0.186 * [backup-simplify]: Simplify 0 into 0 0.186 * [backup-simplify]: Simplify 0 into 0 0.186 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0 0.187 * [backup-simplify]: Simplify (+ (* 4.0 0) (+ (* 0 0) (* 0 1))) into 0 0.188 * [backup-simplify]: Simplify (- 0) into 0 0.188 * [backup-simplify]: Simplify 0 into 0 0.188 * [backup-simplify]: Simplify 0 into 0 0.189 * [backup-simplify]: Simplify (+ (* z 0) (+ (* 0 0) (+ (* 0 0) (* 0 y)))) into 0 0.189 * [backup-simplify]: Simplify (- (+ (* (/ 1 (* z y)) (/ 0 (* z y))) (* 0 (/ 0 (* z y))) (* 0 (/ 0 (* z y))))) into 0 0.190 * [backup-simplify]: Simplify (+ (* 4.0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (/ 1 (* z y)))))) into 0 0.191 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0 0.191 * [backup-simplify]: Simplify (+ 0 0) into 0 0.192 * [backup-simplify]: Simplify (- 0) into 0 0.192 * [taylor]: Taking taylor expansion of 0 in y 0.192 * [backup-simplify]: Simplify 0 into 0 0.192 * [taylor]: Taking taylor expansion of 0 in z 0.192 * [backup-simplify]: Simplify 0 into 0 0.192 * [taylor]: Taking taylor expansion of 0 in z 0.192 * [backup-simplify]: Simplify 0 into 0 0.193 * [backup-simplify]: Simplify (+ (* z 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 1) (* 0 0))))) into 0 0.193 * [backup-simplify]: Simplify (- (+ (* (/ 1 z) (/ 0 z)) (* 0 (/ 0 z)) (* 0 (/ 0 z)))) into 0 0.195 * [backup-simplify]: Simplify (+ (* 4.0 0) (+ (* 0 0) (+ (* 0 0) (* 0 (/ 1 z))))) into 0 0.195 * [backup-simplify]: Simplify (- 0) into 0 0.195 * [taylor]: Taking taylor expansion of 0 in z 0.195 * [backup-simplify]: Simplify 0 into 0 0.195 * [taylor]: Taking taylor expansion of 0 in z 0.195 * [backup-simplify]: Simplify 0 into 0 0.195 * [backup-simplify]: Simplify 0 into 0 0.195 * [backup-simplify]: Simplify 0 into 0 0.196 * [backup-simplify]: Simplify (+ (* -1 (* 1 (* 1 (/ 1 (/ 1 (- x)))))) (* (- 4.0) (* (/ 1 (/ 1 (- z))) (* (/ 1 (/ 1 (- y))) 1)))) into (- x (* 4.0 (* z y))) 0.196 * * * [progress]: simplifying candidates 0.197 * [simplify]: Simplifying: (/ (exp x) (exp (* (* y 4.0) z))) (log (- x (* (* y 4.0) z))) (exp (- x (* (* y 4.0) z))) (* (cbrt (- x (* (* y 4.0) z))) (cbrt (- x (* (* y 4.0) z)))) (cbrt (- x (* (* y 4.0) z))) (* (* (- x (* (* y 4.0) z)) (- x (* (* y 4.0) z))) (- x (* (* y 4.0) z))) (sqrt (- x (* (* y 4.0) z))) (sqrt (- x (* (* y 4.0) z))) (- (pow x 3) (pow (* (* y 4.0) z) 3)) (+ (* x x) (+ (* (* (* y 4.0) z) (* (* y 4.0) z)) (* x (* (* y 4.0) z)))) (- (* (* y 4.0) z)) (- (* x x) (* (* (* y 4.0) z) (* (* y 4.0) z))) (+ x (* (* y 4.0) z)) (- (* (* y 4.0) z)) x (- x (* 4.0 (* z y))) (- x (* 4.0 (* z y))) 0.197 * * [simplify]: iteration 0: 32 enodes 0.210 * * [simplify]: iteration 1: 84 enodes 0.242 * * [simplify]: iteration 2: 271 enodes 0.391 * * [simplify]: iteration 3: 1163 enodes 2.551 * * [simplify]: iteration 4: 4905 enodes 4.142 * * [simplify]: iteration complete: 5001 enodes 4.142 * * [simplify]: Extracting #0: cost 13 inf + 0 4.142 * * [simplify]: Extracting #1: cost 103 inf + 1 4.144 * * [simplify]: Extracting #2: cost 562 inf + 1276 4.165 * * [simplify]: Extracting #3: cost 615 inf + 59477 4.236 * * [simplify]: Extracting #4: cost 158 inf + 162491 4.316 * * [simplify]: Extracting #5: cost 22 inf + 214067 4.377 * * [simplify]: Extracting #6: cost 0 inf + 224439 4.434 * * [simplify]: Extracting #7: cost 0 inf + 224359 4.511 * [simplify]: Simplified to: (exp (- x (* (* y 4.0) z))) (log (- x (* (* y 4.0) z))) (exp (- x (* (* y 4.0) z))) (* (cbrt (- x (* (* y 4.0) z))) (cbrt (- x (* (* y 4.0) z)))) (cbrt (- x (* (* y 4.0) z))) (* (* (- x (* (* y 4.0) z)) (- x (* (* y 4.0) z))) (- x (* (* y 4.0) z))) (sqrt (- x (* (* y 4.0) z))) (sqrt (- x (* (* y 4.0) z))) (- (* (* x x) x) (* (* (* y 4.0) z) (* (* (* y 4.0) z) (* (* y 4.0) z)))) (+ (* x (+ x (* (* y 4.0) z))) (* (* (* y 4.0) z) (* (* y 4.0) z))) (* 4.0 (* (- y) z)) (- (* x x) (* (* (* y 4.0) z) (* (* y 4.0) z))) (+ x (* (* y 4.0) z)) (* 4.0 (* (- y) z)) x (- x (* (* y 4.0) z)) (- x (* (* y 4.0) z)) 4.513 * * * [progress]: adding candidates to table 4.578 * [progress]: [Phase 3 of 3] Extracting. 4.584 * [simplify]: Simplifying: (- x (* (* y 4.0) z)) 4.584 * * [simplify]: iteration 0: 7 enodes 4.584 * * [simplify]: iteration 1: 9 enodes 4.585 * * [simplify]: iteration complete: 9 enodes 4.585 * * [simplify]: Extracting #0: cost 1 inf + 0 4.585 * * [simplify]: Extracting #1: cost 3 inf + 0 4.585 * * [simplify]: Extracting #2: cost 4 inf + 1 4.585 * * [simplify]: Extracting #3: cost 5 inf + 2 4.585 * * [simplify]: Extracting #4: cost 0 inf + 253 4.585 * [simplify]: Simplified to: (- x (* (* 4.0 y) z)) 5.757 * [regime-testing]: Baseline error score: 0.045795965507549365 5.766 * [regime-testing]: Oracle error score: 0.045795965507549365 5.766 * [regime-testing]: End program error score: 0.045795965507549365