0.351 * [progress]: [Phase 1 of 3] Setting up. 0.001 * * * [progress]: [1/2] Preparing points 0.025 * * * [progress]: [2/2] Setting up program. 0.028 * [progress]: [Phase 2 of 3] Improving. 0.028 * [simplify]: Simplifying: (+ (/ (* 60.0 (- x y)) (- z t)) (* a 120.0)) 0.028 * * [simplify]: Extracting # 0 : cost 0 0.028 * * [simplify]: Extracting # 1 : cost 0 0.028 * * [simplify]: Extracting # 2 : cost 0 0.028 * * [simplify]: Extracting # 3 : cost 0 0.028 * * [simplify]: Extracting # 4 : cost 0 0.028 * * [simplify]: Extracting # 5 : cost 0 0.028 * * [simplify]: Extracting # 6 : cost 0 0.028 * * [simplify]: Extracting # 7 : cost 0 0.028 * * [simplify]: iteration 0 : 13 enodes (cost 13 ) 0.030 * * [simplify]: Extracting # 0 : cost 0 0.030 * * [simplify]: Extracting # 1 : cost 0 0.030 * * [simplify]: Extracting # 2 : cost 0 0.030 * * [simplify]: iteration 1 : 22 enodes (cost 13 ) 0.033 * * [simplify]: Extracting # 0 : cost 0 0.034 * * [simplify]: Extracting # 1 : cost 0 0.034 * * [simplify]: Extracting # 2 : cost 0 0.034 * * [simplify]: iteration 2 : 37 enodes (cost 13 ) 0.041 * * [simplify]: Extracting # 0 : cost 0 0.041 * * [simplify]: Extracting # 1 : cost 0 0.041 * * [simplify]: Extracting # 2 : cost 0 0.041 * * [simplify]: iteration 3 : 62 enodes (cost 13 ) 0.061 * * [simplify]: Extracting # 0 : cost 0 0.061 * * [simplify]: Extracting # 1 : cost 0 0.061 * * [simplify]: Extracting # 2 : cost 0 0.061 * * [simplify]: iteration 4 : 105 enodes (cost 13 ) 0.081 * * [simplify]: Extracting # 0 : cost 0 0.081 * * [simplify]: Extracting # 1 : cost 0 0.082 * * [simplify]: Extracting # 2 : cost 0 0.082 * * [simplify]: iteration 5 : 136 enodes (cost 13 ) 0.140 * * [simplify]: Extracting # 0 : cost 0 0.140 * * [simplify]: Extracting # 1 : cost 0 0.140 * * [simplify]: Extracting # 2 : cost 0 0.141 * * [simplify]: iteration 6 : 169 enodes (cost 13 ) 0.191 * * [simplify]: Extracting # 0 : cost 0 0.191 * * [simplify]: Extracting # 1 : cost 0 0.191 * * [simplify]: Extracting # 2 : cost 0 0.191 * * [simplify]: Extracting # 3 : cost 0 0.191 * * [simplify]: iteration 7 : 198 enodes (cost 13 ) 0.262 * * [simplify]: Extracting # 0 : cost 0 0.262 * * [simplify]: Extracting # 1 : cost 0 0.263 * * [simplify]: Extracting # 2 : cost 0 0.263 * * [simplify]: iteration 8 : 242 enodes (cost 13 ) 0.366 * * [simplify]: Extracting # 0 : cost 0 0.367 * * [simplify]: Extracting # 1 : cost 0 0.367 * * [simplify]: Extracting # 2 : cost 0 0.367 * * [simplify]: iteration 9 : 304 enodes (cost 13 ) 0.487 * * [simplify]: Extracting # 0 : cost 0 0.488 * * [simplify]: Extracting # 1 : cost 0 0.488 * * [simplify]: Extracting # 2 : cost 0 0.488 * * [simplify]: iteration 10 : 342 enodes (cost 13 ) 0.610 * * [simplify]: Extracting # 0 : cost 0 0.610 * * [simplify]: Extracting # 1 : cost 0 0.611 * * [simplify]: Extracting # 2 : cost 0 0.611 * * [simplify]: iteration 11 : 381 enodes (cost 13 ) 0.783 * * [simplify]: Extracting # 0 : cost 0 0.784 * * [simplify]: Extracting # 1 : cost 0 0.784 * * [simplify]: Extracting # 2 : cost 0 0.785 * * [simplify]: iteration 12 : 414 enodes (cost 13 ) 0.957 * * [simplify]: Extracting # 0 : cost 0 0.957 * * [simplify]: Extracting # 1 : cost 0 0.958 * * [simplify]: iteration 13 : 426 enodes (cost 13 ) 1.113 * * [simplify]: Extracting # 0 : cost 0 1.113 * * [simplify]: iteration done: 426 enodes (cost 13 ) 1.114 * [simplify]: Simplified to: (+ (/ (* 60.0 (- x y)) (- z t)) (* a 120.0)) 1.114 * * [progress]: iteration 1 / 4 1.114 * * * [progress]: picking best candidate 1.118 * * * * [pick]: Picked # 1.118 * * * [progress]: localizing error 1.142 * * * [progress]: generating rewritten candidates 1.142 * * * * [progress]: [ 1 / 3 ] rewriting at (2 1) 1.175 * * * * [progress]: [ 2 / 3 ] rewriting at (2 1 1) 1.209 * * * * [progress]: [ 3 / 3 ] rewriting at (2) 1.257 * * * [progress]: generating series expansions 1.257 * * * * [progress]: [ 1 / 3 ] generating series at (2 1) 1.257 * [backup-simplify]: Simplify (/ (* 60.0 (- x y)) (- z t)) into (* 60.0 (/ (- x y) (- z t))) 1.257 * [approximate]: Taking taylor expansion of (* 60.0 (/ (- x y) (- z t))) in (x y z t) around 0 1.257 * [taylor]: Taking taylor expansion of (* 60.0 (/ (- x y) (- z t))) in t 1.257 * [taylor]: Taking taylor expansion of 60.0 in t 1.257 * [backup-simplify]: Simplify 60.0 into 60.0 1.257 * [taylor]: Taking taylor expansion of (/ (- x y) (- z t)) in t 1.257 * [taylor]: Taking taylor expansion of (- x y) in t 1.257 * [taylor]: Taking taylor expansion of x in t 1.257 * [backup-simplify]: Simplify x into x 1.257 * [taylor]: Taking taylor expansion of y in t 1.257 * [backup-simplify]: Simplify y into y 1.257 * [taylor]: Taking taylor expansion of (- z t) in t 1.257 * [taylor]: Taking taylor expansion of z in t 1.257 * [backup-simplify]: Simplify z into z 1.257 * [taylor]: Taking taylor expansion of t in t 1.257 * [backup-simplify]: Simplify 0 into 0 1.257 * [backup-simplify]: Simplify 1 into 1 1.257 * [backup-simplify]: Simplify (- y) into (- y) 1.258 * [backup-simplify]: Simplify (+ x (- y)) into (- x y) 1.258 * [backup-simplify]: Simplify (- 0) into 0 1.258 * [backup-simplify]: Simplify (+ z 0) into z 1.258 * [backup-simplify]: Simplify (/ (- x y) z) into (/ (- x y) z) 1.258 * [taylor]: Taking taylor expansion of (* 60.0 (/ (- x y) (- z t))) in z 1.258 * [taylor]: Taking taylor expansion of 60.0 in z 1.258 * [backup-simplify]: Simplify 60.0 into 60.0 1.258 * [taylor]: Taking taylor expansion of (/ (- x y) (- z t)) in z 1.258 * [taylor]: Taking taylor expansion of (- x y) in z 1.258 * [taylor]: Taking taylor expansion of x in z 1.258 * [backup-simplify]: Simplify x into x 1.258 * [taylor]: Taking taylor expansion of y in z 1.258 * [backup-simplify]: Simplify y into y 1.258 * [taylor]: Taking taylor expansion of (- z t) in z 1.258 * [taylor]: Taking taylor expansion of z in z 1.258 * [backup-simplify]: Simplify 0 into 0 1.258 * [backup-simplify]: Simplify 1 into 1 1.258 * [taylor]: Taking taylor expansion of t in z 1.258 * [backup-simplify]: Simplify t into t 1.258 * [backup-simplify]: Simplify (- y) into (- y) 1.258 * [backup-simplify]: Simplify (+ x (- y)) into (- x y) 1.258 * [backup-simplify]: Simplify (- t) into (- t) 1.259 * [backup-simplify]: Simplify (+ 0 (- t)) into (- t) 1.259 * [backup-simplify]: Simplify (/ (- x y) (- t)) into (* -1 (/ (- x y) t)) 1.259 * [taylor]: Taking taylor expansion of (* 60.0 (/ (- x y) (- z t))) in y 1.259 * [taylor]: Taking taylor expansion of 60.0 in y 1.259 * [backup-simplify]: Simplify 60.0 into 60.0 1.259 * [taylor]: Taking taylor expansion of (/ (- x y) (- z t)) in y 1.259 * [taylor]: Taking taylor expansion of (- x y) in y 1.259 * [taylor]: Taking taylor expansion of x in y 1.259 * [backup-simplify]: Simplify x into x 1.259 * [taylor]: Taking taylor expansion of y in y 1.259 * [backup-simplify]: Simplify 0 into 0 1.259 * [backup-simplify]: Simplify 1 into 1 1.259 * [taylor]: Taking taylor expansion of (- z t) in y 1.259 * [taylor]: Taking taylor expansion of z in y 1.259 * [backup-simplify]: Simplify z into z 1.259 * [taylor]: Taking taylor expansion of t in y 1.259 * [backup-simplify]: Simplify t into t 1.259 * [backup-simplify]: Simplify (- 0) into 0 1.259 * [backup-simplify]: Simplify (+ x 0) into x 1.259 * [backup-simplify]: Simplify (- t) into (- t) 1.259 * [backup-simplify]: Simplify (+ z (- t)) into (- z t) 1.259 * [backup-simplify]: Simplify (/ x (- z t)) into (/ x (- z t)) 1.259 * [taylor]: Taking taylor expansion of (* 60.0 (/ (- x y) (- z t))) in x 1.259 * [taylor]: Taking taylor expansion of 60.0 in x 1.259 * [backup-simplify]: Simplify 60.0 into 60.0 1.259 * [taylor]: Taking taylor expansion of (/ (- x y) (- z t)) in x 1.259 * [taylor]: Taking taylor expansion of (- x y) in x 1.259 * [taylor]: Taking taylor expansion of x in x 1.259 * [backup-simplify]: Simplify 0 into 0 1.259 * [backup-simplify]: Simplify 1 into 1 1.259 * [taylor]: Taking taylor expansion of y in x 1.259 * [backup-simplify]: Simplify y into y 1.259 * [taylor]: Taking taylor expansion of (- z t) in x 1.259 * [taylor]: Taking taylor expansion of z in x 1.260 * [backup-simplify]: Simplify z into z 1.260 * [taylor]: Taking taylor expansion of t in x 1.260 * [backup-simplify]: Simplify t into t 1.260 * [backup-simplify]: Simplify (- y) into (- y) 1.260 * [backup-simplify]: Simplify (+ 0 (- y)) into (- y) 1.260 * [backup-simplify]: Simplify (- t) into (- t) 1.260 * [backup-simplify]: Simplify (+ z (- t)) into (- z t) 1.260 * [backup-simplify]: Simplify (/ (- y) (- z t)) into (* -1 (/ y (- z t))) 1.260 * [taylor]: Taking taylor expansion of (* 60.0 (/ (- x y) (- z t))) in x 1.260 * [taylor]: Taking taylor expansion of 60.0 in x 1.260 * [backup-simplify]: Simplify 60.0 into 60.0 1.260 * [taylor]: Taking taylor expansion of (/ (- x y) (- z t)) in x 1.260 * [taylor]: Taking taylor expansion of (- x y) in x 1.260 * [taylor]: Taking taylor expansion of x in x 1.260 * [backup-simplify]: Simplify 0 into 0 1.260 * [backup-simplify]: Simplify 1 into 1 1.260 * [taylor]: Taking taylor expansion of y in x 1.260 * [backup-simplify]: Simplify y into y 1.260 * [taylor]: Taking taylor expansion of (- z t) in x 1.260 * [taylor]: Taking taylor expansion of z in x 1.260 * [backup-simplify]: Simplify z into z 1.260 * [taylor]: Taking taylor expansion of t in x 1.260 * [backup-simplify]: Simplify t into t 1.260 * [backup-simplify]: Simplify (- y) into (- y) 1.260 * [backup-simplify]: Simplify (+ 0 (- y)) into (- y) 1.260 * [backup-simplify]: Simplify (- t) into (- t) 1.260 * [backup-simplify]: Simplify (+ z (- t)) into (- z t) 1.260 * [backup-simplify]: Simplify (/ (- y) (- z t)) into (* -1 (/ y (- z t))) 1.260 * [backup-simplify]: Simplify (* 60.0 (* -1 (/ y (- z t)))) into (* -60.0 (/ y (- z t))) 1.260 * [taylor]: Taking taylor expansion of (* -60.0 (/ y (- z t))) in y 1.260 * [taylor]: Taking taylor expansion of -60.0 in y 1.260 * [backup-simplify]: Simplify -60.0 into -60.0 1.260 * [taylor]: Taking taylor expansion of (/ y (- z t)) in y 1.260 * [taylor]: Taking taylor expansion of y in y 1.260 * [backup-simplify]: Simplify 0 into 0 1.260 * [backup-simplify]: Simplify 1 into 1 1.260 * [taylor]: Taking taylor expansion of (- z t) in y 1.260 * [taylor]: Taking taylor expansion of z in y 1.260 * [backup-simplify]: Simplify z into z 1.260 * [taylor]: Taking taylor expansion of t in y 1.260 * [backup-simplify]: Simplify t into t 1.261 * [backup-simplify]: Simplify (- t) into (- t) 1.261 * [backup-simplify]: Simplify (+ z (- t)) into (- z t) 1.261 * [backup-simplify]: Simplify (/ 1 (- z t)) into (/ 1 (- z t)) 1.261 * [backup-simplify]: Simplify (- 0) into 0 1.261 * [backup-simplify]: Simplify (+ 1 0) into 1 1.262 * [backup-simplify]: Simplify (- 0) into 0 1.262 * [backup-simplify]: Simplify (+ 0 0) into 0 1.262 * [backup-simplify]: Simplify (- (/ 1 (- z t)) (+ (* (* -1 (/ y (- z t))) (/ 0 (- z t))))) into (/ 1 (- z t)) 1.262 * [backup-simplify]: Simplify (+ (* 60.0 (/ 1 (- z t))) (* 0 (* -1 (/ y (- z t))))) into (* 60.0 (/ 1 (- z t))) 1.262 * [taylor]: Taking taylor expansion of (* 60.0 (/ 1 (- z t))) in y 1.262 * [taylor]: Taking taylor expansion of 60.0 in y 1.262 * [backup-simplify]: Simplify 60.0 into 60.0 1.262 * [taylor]: Taking taylor expansion of (/ 1 (- z t)) in y 1.262 * [taylor]: Taking taylor expansion of (- z t) in y 1.262 * [taylor]: Taking taylor expansion of z in y 1.262 * [backup-simplify]: Simplify z into z 1.262 * [taylor]: Taking taylor expansion of t in y 1.262 * [backup-simplify]: Simplify t into t 1.262 * [backup-simplify]: Simplify (- t) into (- t) 1.262 * [backup-simplify]: Simplify (+ z (- t)) into (- z t) 1.262 * [backup-simplify]: Simplify (/ 1 (- z t)) into (/ 1 (- z t)) 1.262 * [backup-simplify]: Simplify (* 60.0 (/ 1 (- z t))) into (/ 60.0 (- z t)) 1.262 * [taylor]: Taking taylor expansion of (/ 60.0 (- z t)) in z 1.262 * [taylor]: Taking taylor expansion of 60.0 in z 1.263 * [backup-simplify]: Simplify 60.0 into 60.0 1.263 * [taylor]: Taking taylor expansion of (- z t) in z 1.263 * [taylor]: Taking taylor expansion of z in z 1.263 * [backup-simplify]: Simplify 0 into 0 1.263 * [backup-simplify]: Simplify 1 into 1 1.263 * [taylor]: Taking taylor expansion of t in z 1.263 * [backup-simplify]: Simplify t into t 1.263 * [backup-simplify]: Simplify (- t) into (- t) 1.263 * [backup-simplify]: Simplify (+ 0 (- t)) into (- t) 1.263 * [backup-simplify]: Simplify (/ 60.0 (- t)) into (/ -60.0 t) 1.263 * [taylor]: Taking taylor expansion of (/ -60.0 t) in t 1.263 * [taylor]: Taking taylor expansion of -60.0 in t 1.263 * [backup-simplify]: Simplify -60.0 into -60.0 1.263 * [taylor]: Taking taylor expansion of t in t 1.263 * [backup-simplify]: Simplify 0 into 0 1.263 * [backup-simplify]: Simplify 1 into 1 1.263 * [backup-simplify]: Simplify (/ -60.0 1) into -60.0 1.264 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* -60.0 (/ 0 1)))) into 0 1.264 * [backup-simplify]: Simplify 0 into 0 1.264 * [backup-simplify]: Simplify (* -60.0 (/ 1 (- z t))) into (/ -60.0 (- z t)) 1.264 * [taylor]: Taking taylor expansion of (/ -60.0 (- z t)) in z 1.264 * [taylor]: Taking taylor expansion of -60.0 in z 1.264 * [backup-simplify]: Simplify -60.0 into -60.0 1.264 * [taylor]: Taking taylor expansion of (- z t) in z 1.264 * [taylor]: Taking taylor expansion of z in z 1.264 * [backup-simplify]: Simplify 0 into 0 1.264 * [backup-simplify]: Simplify 1 into 1 1.264 * [taylor]: Taking taylor expansion of t in z 1.264 * [backup-simplify]: Simplify t into t 1.264 * [backup-simplify]: Simplify (- t) into (- t) 1.264 * [backup-simplify]: Simplify (+ 0 (- t)) into (- t) 1.264 * [backup-simplify]: Simplify (/ -60.0 (- t)) into (/ 60.0 t) 1.264 * [taylor]: Taking taylor expansion of (/ 60.0 t) in t 1.264 * [taylor]: Taking taylor expansion of 60.0 in t 1.264 * [backup-simplify]: Simplify 60.0 into 60.0 1.264 * [taylor]: Taking taylor expansion of t in t 1.264 * [backup-simplify]: Simplify 0 into 0 1.264 * [backup-simplify]: Simplify 1 into 1 1.264 * [backup-simplify]: Simplify (/ 60.0 1) into 60.0 1.265 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 60.0 (/ 0 1)))) into 0 1.265 * [backup-simplify]: Simplify 0 into 0 1.265 * [backup-simplify]: Simplify (- 0) into 0 1.266 * [backup-simplify]: Simplify (+ 0 0) into 0 1.266 * [backup-simplify]: Simplify (- 0) into 0 1.266 * [backup-simplify]: Simplify (+ 0 0) into 0 1.266 * [backup-simplify]: Simplify (- (/ 0 (- z t)) (+ (* (* -1 (/ y (- z t))) (/ 0 (- z t))) (* (/ 1 (- z t)) (/ 0 (- z t))))) into 0 1.267 * [backup-simplify]: Simplify (+ (* 60.0 0) (+ (* 0 (/ 1 (- z t))) (* 0 (* -1 (/ y (- z t)))))) into 0 1.267 * [taylor]: Taking taylor expansion of 0 in y 1.267 * [backup-simplify]: Simplify 0 into 0 1.267 * [taylor]: Taking taylor expansion of 0 in z 1.267 * [backup-simplify]: Simplify 0 into 0 1.267 * [taylor]: Taking taylor expansion of 0 in t 1.267 * [backup-simplify]: Simplify 0 into 0 1.267 * [backup-simplify]: Simplify 0 into 0 1.267 * [backup-simplify]: Simplify (- 0) into 0 1.267 * [backup-simplify]: Simplify (+ 0 0) into 0 1.268 * [backup-simplify]: Simplify (- (+ (* (/ 1 (- z t)) (/ 0 (- z t))))) into 0 1.268 * [backup-simplify]: Simplify (+ (* 60.0 0) (* 0 (/ 1 (- z t)))) into 0 1.268 * [taylor]: Taking taylor expansion of 0 in z 1.268 * [backup-simplify]: Simplify 0 into 0 1.268 * [taylor]: Taking taylor expansion of 0 in t 1.268 * [backup-simplify]: Simplify 0 into 0 1.268 * [backup-simplify]: Simplify 0 into 0 1.268 * [backup-simplify]: Simplify (- 0) into 0 1.269 * [backup-simplify]: Simplify (+ 0 0) into 0 1.269 * [backup-simplify]: Simplify (- (/ 0 (- z t)) (+ (* (/ 1 (- z t)) (/ 0 (- z t))))) into 0 1.269 * [backup-simplify]: Simplify (+ (* -60.0 0) (* 0 (/ 1 (- z t)))) into 0 1.269 * [taylor]: Taking taylor expansion of 0 in z 1.269 * [backup-simplify]: Simplify 0 into 0 1.269 * [taylor]: Taking taylor expansion of 0 in t 1.269 * [backup-simplify]: Simplify 0 into 0 1.269 * [backup-simplify]: Simplify 0 into 0 1.269 * [backup-simplify]: Simplify (- 0) into 0 1.270 * [backup-simplify]: Simplify (+ 1 0) into 1