0.295 * [progress]: [Phase 1 of 3] Setting up. 0.001 * * * [progress]: [1/2] Preparing points 0.025 * * * [progress]: [2/2] Setting up program. 0.027 * [progress]: [Phase 2 of 3] Improving. 0.027 * [simplify]: Simplifying: (+ (/ (* 60.0 (- x y)) (- z t)) (* a 120.0)) 0.027 * * [simplify]: Extracting # 0 : cost 0 0.027 * * [simplify]: Extracting # 1 : cost 0 0.027 * * [simplify]: Extracting # 2 : cost 0 0.027 * * [simplify]: Extracting # 3 : cost 0 0.027 * * [simplify]: Extracting # 4 : cost 0 0.027 * * [simplify]: Extracting # 5 : cost 0 0.027 * * [simplify]: Extracting # 6 : cost 0 0.028 * * [simplify]: Extracting # 7 : cost 0 0.028 * * [simplify]: iteration 0 : 13 enodes (cost 13 ) 0.029 * * [simplify]: Extracting # 0 : cost 0 0.029 * * [simplify]: Extracting # 1 : cost 0 0.029 * * [simplify]: Extracting # 2 : cost 0 0.029 * * [simplify]: iteration 1 : 22 enodes (cost 13 ) 0.032 * * [simplify]: Extracting # 0 : cost 0 0.032 * * [simplify]: Extracting # 1 : cost 0 0.032 * * [simplify]: Extracting # 2 : cost 0 0.032 * * [simplify]: iteration 2 : 37 enodes (cost 13 ) 0.038 * * [simplify]: Extracting # 0 : cost 0 0.038 * * [simplify]: Extracting # 1 : cost 0 0.038 * * [simplify]: Extracting # 2 : cost 0 0.038 * * [simplify]: iteration 3 : 62 enodes (cost 13 ) 0.049 * * [simplify]: Extracting # 0 : cost 0 0.050 * * [simplify]: Extracting # 1 : cost 0 0.050 * * [simplify]: Extracting # 2 : cost 0 0.050 * * [simplify]: iteration 4 : 105 enodes (cost 13 ) 0.088 * * [simplify]: Extracting # 0 : cost 0 0.088 * * [simplify]: Extracting # 1 : cost 0 0.089 * * [simplify]: Extracting # 2 : cost 0 0.089 * * [simplify]: iteration 5 : 136 enodes (cost 13 ) 0.138 * * [simplify]: Extracting # 0 : cost 0 0.138 * * [simplify]: Extracting # 1 : cost 0 0.139 * * [simplify]: Extracting # 2 : cost 0 0.139 * * [simplify]: iteration 6 : 169 enodes (cost 13 ) 0.204 * * [simplify]: Extracting # 0 : cost 0 0.209 * * [simplify]: Extracting # 1 : cost 0 0.209 * * [simplify]: Extracting # 2 : cost 0 0.210 * * [simplify]: Extracting # 3 : cost 0 0.210 * * [simplify]: iteration 7 : 198 enodes (cost 13 ) 0.287 * * [simplify]: Extracting # 0 : cost 0 0.287 * * [simplify]: Extracting # 1 : cost 0 0.288 * * [simplify]: Extracting # 2 : cost 0 0.288 * * [simplify]: iteration 8 : 242 enodes (cost 13 ) 0.395 * * [simplify]: Extracting # 0 : cost 0 0.396 * * [simplify]: Extracting # 1 : cost 0 0.396 * * [simplify]: Extracting # 2 : cost 0 0.396 * * [simplify]: iteration 9 : 304 enodes (cost 13 ) 0.496 * * [simplify]: Extracting # 0 : cost 0 0.497 * * [simplify]: Extracting # 1 : cost 0 0.497 * * [simplify]: Extracting # 2 : cost 0 0.498 * * [simplify]: iteration 10 : 342 enodes (cost 13 ) 0.618 * * [simplify]: Extracting # 0 : cost 0 0.618 * * [simplify]: Extracting # 1 : cost 0 0.619 * * [simplify]: Extracting # 2 : cost 0 0.619 * * [simplify]: iteration 11 : 381 enodes (cost 13 ) 0.759 * * [simplify]: Extracting # 0 : cost 0 0.760 * * [simplify]: Extracting # 1 : cost 0 0.760 * * [simplify]: Extracting # 2 : cost 0 0.760 * * [simplify]: iteration 12 : 414 enodes (cost 13 ) 0.893 * * [simplify]: Extracting # 0 : cost 0 0.894 * * [simplify]: Extracting # 1 : cost 0 0.894 * * [simplify]: iteration 13 : 426 enodes (cost 13 ) 1.019 * * [simplify]: Extracting # 0 : cost 0 1.020 * * [simplify]: iteration done: 426 enodes (cost 13 ) 1.020 * [simplify]: Simplified to: (+ (/ (* 60.0 (- x y)) (- z t)) (* a 120.0)) 1.020 * * [progress]: iteration 1 / 4 1.020 * * * [progress]: picking best candidate 1.024 * * * * [pick]: Picked # 1.024 * * * [progress]: localizing error 1.043 * * * [progress]: generating rewritten candidates 1.043 * * * * [progress]: [ 1 / 3 ] rewriting at (2 1) 1.072 * * * * [progress]: [ 2 / 3 ] rewriting at (2 1 1) 1.092 * * * * [progress]: [ 3 / 3 ] rewriting at (2) 1.149 * * * [progress]: generating series expansions 1.149 * * * * [progress]: [ 1 / 3 ] generating series at (2 1) 1.149 * [backup-simplify]: Simplify (/ (* 60.0 (- x y)) (- z t)) into (* 60.0 (/ (- x y) (- z t))) 1.149 * [approximate]: Taking taylor expansion of (* 60.0 (/ (- x y) (- z t))) in (x y z t) around 0 1.149 * [taylor]: Taking taylor expansion of (* 60.0 (/ (- x y) (- z t))) in t 1.149 * [taylor]: Taking taylor expansion of 60.0 in t 1.149 * [backup-simplify]: Simplify 60.0 into 60.0 1.149 * [taylor]: Taking taylor expansion of (/ (- x y) (- z t)) in t 1.149 * [taylor]: Taking taylor expansion of (- x y) in t 1.149 * [taylor]: Taking taylor expansion of x in t 1.149 * [backup-simplify]: Simplify x into x 1.149 * [taylor]: Taking taylor expansion of y in t 1.149 * [backup-simplify]: Simplify y into y 1.149 * [taylor]: Taking taylor expansion of (- z t) in t 1.149 * [taylor]: Taking taylor expansion of z in t 1.149 * [backup-simplify]: Simplify z into z 1.149 * [taylor]: Taking taylor expansion of t in t 1.149 * [backup-simplify]: Simplify 0 into 0 1.149 * [backup-simplify]: Simplify 1 into 1 1.149 * [backup-simplify]: Simplify (- y) into (- y) 1.149 * [backup-simplify]: Simplify (+ x (- y)) into (- x y) 1.150 * [backup-simplify]: Simplify (- 0) into 0 1.150 * [backup-simplify]: Simplify (+ z 0) into z 1.150 * [backup-simplify]: Simplify (/ (- x y) z) into (/ (- x y) z) 1.150 * [taylor]: Taking taylor expansion of (* 60.0 (/ (- x y) (- z t))) in z 1.150 * [taylor]: Taking taylor expansion of 60.0 in z 1.150 * [backup-simplify]: Simplify 60.0 into 60.0 1.150 * [taylor]: Taking taylor expansion of (/ (- x y) (- z t)) in z 1.150 * [taylor]: Taking taylor expansion of (- x y) in z 1.150 * [taylor]: Taking taylor expansion of x in z 1.150 * [backup-simplify]: Simplify x into x 1.150 * [taylor]: Taking taylor expansion of y in z 1.150 * [backup-simplify]: Simplify y into y 1.150 * [taylor]: Taking taylor expansion of (- z t) in z 1.150 * [taylor]: Taking taylor expansion of z in z 1.150 * [backup-simplify]: Simplify 0 into 0 1.150 * [backup-simplify]: Simplify 1 into 1 1.150 * [taylor]: Taking taylor expansion of t in z 1.150 * [backup-simplify]: Simplify t into t 1.150 * [backup-simplify]: Simplify (- y) into (- y) 1.150 * [backup-simplify]: Simplify (+ x (- y)) into (- x y) 1.150 * [backup-simplify]: Simplify (- t) into (- t) 1.150 * [backup-simplify]: Simplify (+ 0 (- t)) into (- t) 1.151 * [backup-simplify]: Simplify (/ (- x y) (- t)) into (* -1 (/ (- x y) t)) 1.151 * [taylor]: Taking taylor expansion of (* 60.0 (/ (- x y) (- z t))) in y 1.151 * [taylor]: Taking taylor expansion of 60.0 in y 1.151 * [backup-simplify]: Simplify 60.0 into 60.0 1.151 * [taylor]: Taking taylor expansion of (/ (- x y) (- z t)) in y 1.151 * [taylor]: Taking taylor expansion of (- x y) in y 1.151 * [taylor]: Taking taylor expansion of x in y 1.151 * [backup-simplify]: Simplify x into x 1.151 * [taylor]: Taking taylor expansion of y in y 1.151 * [backup-simplify]: Simplify 0 into 0 1.151 * [backup-simplify]: Simplify 1 into 1 1.151 * [taylor]: Taking taylor expansion of (- z t) in y 1.151 * [taylor]: Taking taylor expansion of z in y 1.151 * [backup-simplify]: Simplify z into z 1.151 * [taylor]: Taking taylor expansion of t in y 1.151 * [backup-simplify]: Simplify t into t 1.151 * [backup-simplify]: Simplify (- 0) into 0 1.151 * [backup-simplify]: Simplify (+ x 0) into x 1.151 * [backup-simplify]: Simplify (- t) into (- t) 1.151 * [backup-simplify]: Simplify (+ z (- t)) into (- z t) 1.151 * [backup-simplify]: Simplify (/ x (- z t)) into (/ x (- z t)) 1.151 * [taylor]: Taking taylor expansion of (* 60.0 (/ (- x y) (- z t))) in x 1.151 * [taylor]: Taking taylor expansion of 60.0 in x 1.151 * [backup-simplify]: Simplify 60.0 into 60.0 1.151 * [taylor]: Taking taylor expansion of (/ (- x y) (- z t)) in x 1.151 * [taylor]: Taking taylor expansion of (- x y) in x 1.151 * [taylor]: Taking taylor expansion of x in x 1.151 * [backup-simplify]: Simplify 0 into 0 1.151 * [backup-simplify]: Simplify 1 into 1 1.151 * [taylor]: Taking taylor expansion of y in x 1.151 * [backup-simplify]: Simplify y into y 1.152 * [taylor]: Taking taylor expansion of (- z t) in x 1.152 * [taylor]: Taking taylor expansion of z in x 1.152 * [backup-simplify]: Simplify z into z 1.152 * [taylor]: Taking taylor expansion of t in x 1.152 * [backup-simplify]: Simplify t into t 1.152 * [backup-simplify]: Simplify (- y) into (- y) 1.152 * [backup-simplify]: Simplify (+ 0 (- y)) into (- y) 1.152 * [backup-simplify]: Simplify (- t) into (- t) 1.152 * [backup-simplify]: Simplify (+ z (- t)) into (- z t) 1.152 * [backup-simplify]: Simplify (/ (- y) (- z t)) into (* -1 (/ y (- z t))) 1.152 * [taylor]: Taking taylor expansion of (* 60.0 (/ (- x y) (- z t))) in x 1.152 * [taylor]: Taking taylor expansion of 60.0 in x 1.152 * [backup-simplify]: Simplify 60.0 into 60.0 1.152 * [taylor]: Taking taylor expansion of (/ (- x y) (- z t)) in x 1.152 * [taylor]: Taking taylor expansion of (- x y) in x 1.152 * [taylor]: Taking taylor expansion of x in x 1.152 * [backup-simplify]: Simplify 0 into 0 1.152 * [backup-simplify]: Simplify 1 into 1 1.152 * [taylor]: Taking taylor expansion of y in x 1.152 * [backup-simplify]: Simplify y into y 1.152 * [taylor]: Taking taylor expansion of (- z t) in x 1.152 * [taylor]: Taking taylor expansion of z in x 1.152 * [backup-simplify]: Simplify z into z 1.152 * [taylor]: Taking taylor expansion of t in x 1.152 * [backup-simplify]: Simplify t into t 1.152 * [backup-simplify]: Simplify (- y) into (- y) 1.152 * [backup-simplify]: Simplify (+ 0 (- y)) into (- y) 1.152 * [backup-simplify]: Simplify (- t) into (- t) 1.152 * [backup-simplify]: Simplify (+ z (- t)) into (- z t) 1.152 * [backup-simplify]: Simplify (/ (- y) (- z t)) into (* -1 (/ y (- z t))) 1.152 * [backup-simplify]: Simplify (* 60.0 (* -1 (/ y (- z t)))) into (* -60.0 (/ y (- z t))) 1.152 * [taylor]: Taking taylor expansion of (* -60.0 (/ y (- z t))) in y 1.152 * [taylor]: Taking taylor expansion of -60.0 in y 1.152 * [backup-simplify]: Simplify -60.0 into -60.0 1.152 * [taylor]: Taking taylor expansion of (/ y (- z t)) in y 1.152 * [taylor]: Taking taylor expansion of y in y 1.152 * [backup-simplify]: Simplify 0 into 0 1.152 * [backup-simplify]: Simplify 1 into 1 1.153 * [taylor]: Taking taylor expansion of (- z t) in y 1.153 * [taylor]: Taking taylor expansion of z in y 1.153 * [backup-simplify]: Simplify z into z 1.153 * [taylor]: Taking taylor expansion of t in y 1.153 * [backup-simplify]: Simplify t into t 1.153 * [backup-simplify]: Simplify (- t) into (- t) 1.153 * [backup-simplify]: Simplify (+ z (- t)) into (- z t) 1.153 * [backup-simplify]: Simplify (/ 1 (- z t)) into (/ 1 (- z t)) 1.153 * [backup-simplify]: Simplify (- 0) into 0 1.153 * [backup-simplify]: Simplify (+ 1 0) into 1 1.153 * [backup-simplify]: Simplify (- 0) into 0 1.154 * [backup-simplify]: Simplify (+ 0 0) into 0 1.154 * [backup-simplify]: Simplify (- (/ 1 (- z t)) (+ (* (* -1 (/ y (- z t))) (/ 0 (- z t))))) into (/ 1 (- z t)) 1.154 * [backup-simplify]: Simplify (+ (* 60.0 (/ 1 (- z t))) (* 0 (* -1 (/ y (- z t))))) into (* 60.0 (/ 1 (- z t))) 1.154 * [taylor]: Taking taylor expansion of (* 60.0 (/ 1 (- z t))) in y 1.154 * [taylor]: Taking taylor expansion of 60.0 in y 1.154 * [backup-simplify]: Simplify 60.0 into 60.0 1.154 * [taylor]: Taking taylor expansion of (/ 1 (- z t)) in y 1.154 * [taylor]: Taking taylor expansion of (- z t) in y 1.154 * [taylor]: Taking taylor expansion of z in y 1.154 * [backup-simplify]: Simplify z into z 1.154 * [taylor]: Taking taylor expansion of t in y 1.154 * [backup-simplify]: Simplify t into t 1.154 * [backup-simplify]: Simplify (- t) into (- t) 1.154 * [backup-simplify]: Simplify (+ z (- t)) into (- z t) 1.154 * [backup-simplify]: Simplify (/ 1 (- z t)) into (/ 1 (- z t)) 1.154 * [backup-simplify]: Simplify (* 60.0 (/ 1 (- z t))) into (/ 60.0 (- z t)) 1.154 * [taylor]: Taking taylor expansion of (/ 60.0 (- z t)) in z 1.154 * [taylor]: Taking taylor expansion of 60.0 in z 1.154 * [backup-simplify]: Simplify 60.0 into 60.0 1.154 * [taylor]: Taking taylor expansion of (- z t) in z 1.154 * [taylor]: Taking taylor expansion of z in z 1.155 * [backup-simplify]: Simplify 0 into 0 1.155 * [backup-simplify]: Simplify 1 into 1 1.155 * [taylor]: Taking taylor expansion of t in z 1.155 * [backup-simplify]: Simplify t into t 1.155 * [backup-simplify]: Simplify (- t) into (- t) 1.155 * [backup-simplify]: Simplify (+ 0 (- t)) into (- t) 1.155 * [backup-simplify]: Simplify (/ 60.0 (- t)) into (/ -60.0 t) 1.155 * [taylor]: Taking taylor expansion of (/ -60.0 t) in t 1.155 * [taylor]: Taking taylor expansion of -60.0 in t 1.155 * [backup-simplify]: Simplify -60.0 into -60.0 1.155 * [taylor]: Taking taylor expansion of t in t 1.155 * [backup-simplify]: Simplify 0 into 0 1.155 * [backup-simplify]: Simplify 1 into 1 1.155 * [backup-simplify]: Simplify (/ -60.0 1) into -60.0 1.156 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* -60.0 (/ 0 1)))) into 0 1.156 * [backup-simplify]: Simplify 0 into 0 1.156 * [backup-simplify]: Simplify (* -60.0 (/ 1 (- z t))) into (/ -60.0 (- z t)) 1.156 * [taylor]: Taking taylor expansion of (/ -60.0 (- z t)) in z 1.156 * [taylor]: Taking taylor expansion of -60.0 in z 1.156 * [backup-simplify]: Simplify -60.0 into -60.0 1.156 * [taylor]: Taking taylor expansion of (- z t) in z 1.156 * [taylor]: Taking taylor expansion of z in z 1.156 * [backup-simplify]: Simplify 0 into 0 1.156 * [backup-simplify]: Simplify 1 into 1 1.156 * [taylor]: Taking taylor expansion of t in z 1.156 * [backup-simplify]: Simplify t into t 1.156 * [backup-simplify]: Simplify (- t) into (- t) 1.156 * [backup-simplify]: Simplify (+ 0 (- t)) into (- t) 1.156 * [backup-simplify]: Simplify (/ -60.0 (- t)) into (/ 60.0 t) 1.156 * [taylor]: Taking taylor expansion of (/ 60.0 t) in t 1.156 * [taylor]: Taking taylor expansion of 60.0 in t 1.156 * [backup-simplify]: Simplify 60.0 into 60.0 1.156 * [taylor]: Taking taylor expansion of t in t 1.156 * [backup-simplify]: Simplify 0 into 0 1.156 * [backup-simplify]: Simplify 1 into 1 1.156 * [backup-simplify]: Simplify (/ 60.0 1) into 60.0 1.157 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 60.0 (/ 0 1)))) into 0 1.157 * [backup-simplify]: Simplify 0 into 0 1.157 * [backup-simplify]: Simplify (- 0) into 0 1.157 * [backup-simplify]: Simplify (+ 0 0) into 0 1.158 * [backup-simplify]: Simplify (- 0) into 0 1.158 * [backup-simplify]: Simplify (+ 0 0) into 0 1.158 * [backup-simplify]: Simplify (- (/ 0 (- z t)) (+ (* (* -1 (/ y (- z t))) (/ 0 (- z t))) (* (/ 1 (- z t)) (/ 0 (- z t))))) into 0 1.158 * [backup-simplify]: Simplify (+ (* 60.0 0) (+ (* 0 (/ 1 (- z t))) (* 0 (* -1 (/ y (- z t)))))) into 0 1.158 * [taylor]: Taking taylor expansion of 0 in y 1.159 * [backup-simplify]: Simplify 0 into 0 1.159 * [taylor]: Taking taylor expansion of 0 in z 1.159 * [backup-simplify]: Simplify 0 into 0 1.159 * [taylor]: Taking taylor expansion of 0 in t 1.159 * [backup-simplify]: Simplify 0 into 0 1.159 * [backup-simplify]: Simplify 0 into 0 1.159 * [backup-simplify]: Simplify (- 0) into 0 1.159 * [backup-simplify]: Simplify (+ 0 0) into 0 1.159 * [backup-simplify]: Simplify (- (+ (* (/ 1 (- z t)) (/ 0 (- z t))))) into 0 1.160 * [backup-simplify]: Simplify (+ (* 60.0 0) (* 0 (/ 1 (- z t)))) into 0 1.160 * [taylor]: Taking taylor expansion of 0 in z 1.160 * [backup-simplify]: Simplify 0 into 0 1.160 * [taylor]: Taking taylor expansion of 0 in t 1.160 * [backup-simplify]: Simplify 0 into 0 1.160 * [backup-simplify]: Simplify 0 into 0 1.160 * [backup-simplify]: Simplify (- 0) into 0 1.160 * [backup-simplify]: Simplify (+ 0 0) into 0 1.160 * [backup-simplify]: Simplify (- (/ 0 (- z t)) (+ (* (/ 1 (- z t)) (/ 0 (- z t))))) into 0 1.161 * [backup-simplify]: Simplify (+ (* -60.0 0) (* 0 (/ 1 (- z t)))) into 0 1.161 * [taylor]: Taking taylor expansion of 0 in z 1.161 * [backup-simplify]: Simplify 0 into 0 1.161 * [taylor]: Taking taylor expansion of 0 in t 1.161 * [backup-simplify]: Simplify 0 into 0 1.161 * [backup-simplify]: Simplify 0 into 0 1.161 * [backup-simplify]: Simplify (- 0) into 0 1.161 * [backup-simplify]: Simplify (+ 1 0) into 1