15.536 * [progress]: [Phase 1 of 3] Setting up. 0.001 * * * [progress]: [1/2] Preparing points 0.025 * * * [progress]: [2/2] Setting up program. 0.029 * [progress]: [Phase 2 of 3] Improving. 0.029 * [simplify]: Simplifying: (/ (* x 2.0) (- (* y z) (* t z))) 0.030 * * [simplify]: Extracting # 0 : cost 0 0.030 * * [simplify]: Extracting # 1 : cost 0 0.030 * * [simplify]: Extracting # 2 : cost 0 0.030 * * [simplify]: Extracting # 3 : cost 0 0.030 * * [simplify]: Extracting # 4 : cost 0 0.030 * * [simplify]: iteration 0 : 10 enodes (cost 11 ) 0.033 * * [simplify]: Extracting # 0 : cost 0 0.033 * * [simplify]: Extracting # 1 : cost 0 0.033 * * [simplify]: Extracting # 2 : cost 0 0.033 * * [simplify]: Extracting # 3 : cost 0 0.033 * * [simplify]: iteration 1 : 20 enodes (cost 9 ) 0.040 * * [simplify]: Extracting # 0 : cost 0 0.040 * * [simplify]: Extracting # 1 : cost 0 0.040 * * [simplify]: Extracting # 2 : cost 0 0.040 * * [simplify]: iteration 2 : 46 enodes (cost 9 ) 0.072 * * [simplify]: Extracting # 0 : cost 0 0.073 * * [simplify]: Extracting # 1 : cost 0 0.073 * * [simplify]: Extracting # 2 : cost 0 0.074 * * [simplify]: iteration 3 : 88 enodes (cost 9 ) 0.092 * * [simplify]: Extracting # 0 : cost 0 0.092 * * [simplify]: Extracting # 1 : cost 0 0.092 * * [simplify]: Extracting # 2 : cost 0 0.092 * * [simplify]: iteration 4 : 138 enodes (cost 9 ) 0.130 * * [simplify]: Extracting # 0 : cost 0 0.130 * * [simplify]: Extracting # 1 : cost 0 0.130 * * [simplify]: Extracting # 2 : cost 0 0.131 * * [simplify]: iteration 5 : 186 enodes (cost 9 ) 0.186 * * [simplify]: Extracting # 0 : cost 0 0.187 * * [simplify]: Extracting # 1 : cost 0 0.187 * * [simplify]: Extracting # 2 : cost 0 0.187 * * [simplify]: iteration 6 : 224 enodes (cost 9 ) 0.277 * * [simplify]: Extracting # 0 : cost 0 0.278 * * [simplify]: Extracting # 1 : cost 0 0.278 * * [simplify]: iteration 7 : 239 enodes (cost 9 ) 0.319 * * [simplify]: Extracting # 0 : cost 0 0.320 * * [simplify]: iteration 8 : 242 enodes (cost 9 ) 0.366 * * [simplify]: Extracting # 0 : cost 0 0.366 * * [simplify]: iteration done: 242 enodes (cost 9 ) 0.367 * [simplify]: Simplified to: (/ (* x 2.0) (* z (- y t))) 0.369 * * [progress]: iteration 1 / 4 0.369 * * * [progress]: picking best candidate 0.372 * * * * [pick]: Picked # 0.372 * * * [progress]: localizing error 0.388 * * * [progress]: generating rewritten candidates 0.388 * * * * [progress]: [ 1 / 2 ] rewriting at (2) 0.423 * * * * [progress]: [ 2 / 2 ] rewriting at (2 2) 0.451 * * * [progress]: generating series expansions 0.451 * * * * [progress]: [ 1 / 2 ] generating series at (2) 0.451 * [backup-simplify]: Simplify (/ (* x 2.0) (* z (- y t))) into (* 2.0 (/ x (* (- y t) z))) 0.451 * [approximate]: Taking taylor expansion of (* 2.0 (/ x (* (- y t) z))) in (x z y t) around 0 0.451 * [taylor]: Taking taylor expansion of (* 2.0 (/ x (* (- y t) z))) in t 0.452 * [taylor]: Taking taylor expansion of 2.0 in t 0.452 * [backup-simplify]: Simplify 2.0 into 2.0 0.452 * [taylor]: Taking taylor expansion of (/ x (* (- y t) z)) in t 0.452 * [taylor]: Taking taylor expansion of x in t 0.452 * [backup-simplify]: Simplify x into x 0.452 * [taylor]: Taking taylor expansion of (* (- y t) z) in t 0.452 * [taylor]: Taking taylor expansion of (- y t) in t 0.452 * [taylor]: Taking taylor expansion of y in t 0.452 * [backup-simplify]: Simplify y into y 0.452 * [taylor]: Taking taylor expansion of t in t 0.452 * [backup-simplify]: Simplify 0 into 0 0.452 * [backup-simplify]: Simplify 1 into 1 0.452 * [taylor]: Taking taylor expansion of z in t 0.452 * [backup-simplify]: Simplify z into z 0.453 * [backup-simplify]: Simplify (- 0) into 0 0.453 * [backup-simplify]: Simplify (+ y 0) into y 0.453 * [backup-simplify]: Simplify (* y z) into (* z y) 0.453 * [backup-simplify]: Simplify (/ x (* z y)) into (/ x (* z y)) 0.453 * [taylor]: Taking taylor expansion of (* 2.0 (/ x (* (- y t) z))) in y 0.453 * [taylor]: Taking taylor expansion of 2.0 in y 0.453 * [backup-simplify]: Simplify 2.0 into 2.0 0.453 * [taylor]: Taking taylor expansion of (/ x (* (- y t) z)) in y 0.453 * [taylor]: Taking taylor expansion of x in y 0.453 * [backup-simplify]: Simplify x into x 0.453 * [taylor]: Taking taylor expansion of (* (- y t) z) in y 0.453 * [taylor]: Taking taylor expansion of (- y t) in y 0.453 * [taylor]: Taking taylor expansion of y in y 0.453 * [backup-simplify]: Simplify 0 into 0 0.453 * [backup-simplify]: Simplify 1 into 1 0.453 * [taylor]: Taking taylor expansion of t in y 0.453 * [backup-simplify]: Simplify t into t 0.453 * [taylor]: Taking taylor expansion of z in y 0.453 * [backup-simplify]: Simplify z into z 0.453 * [backup-simplify]: Simplify (- t) into (- t) 0.453 * [backup-simplify]: Simplify (+ 0 (- t)) into (- t) 0.453 * [backup-simplify]: Simplify (* (- t) z) into (* -1 (* t z)) 0.453 * [backup-simplify]: Simplify (/ x (* -1 (* t z))) into (* -1 (/ x (* t z))) 0.453 * [taylor]: Taking taylor expansion of (* 2.0 (/ x (* (- y t) z))) in z 0.454 * [taylor]: Taking taylor expansion of 2.0 in z 0.454 * [backup-simplify]: Simplify 2.0 into 2.0 0.454 * [taylor]: Taking taylor expansion of (/ x (* (- y t) z)) in z 0.454 * [taylor]: Taking taylor expansion of x in z 0.454 * [backup-simplify]: Simplify x into x 0.454 * [taylor]: Taking taylor expansion of (* (- y t) z) in z 0.454 * [taylor]: Taking taylor expansion of (- y t) in z 0.454 * [taylor]: Taking taylor expansion of y in z 0.454 * [backup-simplify]: Simplify y into y 0.454 * [taylor]: Taking taylor expansion of t in z 0.454 * [backup-simplify]: Simplify t into t 0.454 * [taylor]: Taking taylor expansion of z in z 0.454 * [backup-simplify]: Simplify 0 into 0 0.454 * [backup-simplify]: Simplify 1 into 1 0.454 * [backup-simplify]: Simplify (- t) into (- t) 0.454 * [backup-simplify]: Simplify (+ y (- t)) into (- y t) 0.454 * [backup-simplify]: Simplify (* (- y t) 0) into 0 0.454 * [backup-simplify]: Simplify (- 0) into 0 0.455 * [backup-simplify]: Simplify (+ 0 0) into 0 0.455 * [backup-simplify]: Simplify (+ (* (- y t) 1) (* 0 0)) into (- y t) 0.455 * [backup-simplify]: Simplify (/ x (- y t)) into (/ x (- y t)) 0.455 * [taylor]: Taking taylor expansion of (* 2.0 (/ x (* (- y t) z))) in x 0.455 * [taylor]: Taking taylor expansion of 2.0 in x 0.455 * [backup-simplify]: Simplify 2.0 into 2.0 0.455 * [taylor]: Taking taylor expansion of (/ x (* (- y t) z)) in x 0.455 * [taylor]: Taking taylor expansion of x in x 0.455 * [backup-simplify]: Simplify 0 into 0 0.456 * [backup-simplify]: Simplify 1 into 1 0.456 * [taylor]: Taking taylor expansion of (* (- y t) z) in x 0.456 * [taylor]: Taking taylor expansion of (- y t) in x 0.456 * [taylor]: Taking taylor expansion of y in x 0.456 * [backup-simplify]: Simplify y into y 0.456 * [taylor]: Taking taylor expansion of t in x 0.456 * [backup-simplify]: Simplify t into t 0.456 * [taylor]: Taking taylor expansion of z in x 0.456 * [backup-simplify]: Simplify z into z 0.456 * [backup-simplify]: Simplify (- t) into (- t) 0.456 * [backup-simplify]: Simplify (+ y (- t)) into (- y t) 0.456 * [backup-simplify]: Simplify (* (- y t) z) into (* (- y t) z) 0.456 * [backup-simplify]: Simplify (/ 1 (* (- y t) z)) into (/ 1 (* (- y t) z)) 0.456 * [taylor]: Taking taylor expansion of (* 2.0 (/ x (* (- y t) z))) in x 0.456 * [taylor]: Taking taylor expansion of 2.0 in x 0.456 * [backup-simplify]: Simplify 2.0 into 2.0 0.456 * [taylor]: Taking taylor expansion of (/ x (* (- y t) z)) in x 0.456 * [taylor]: Taking taylor expansion of x in x 0.456 * [backup-simplify]: Simplify 0 into 0 0.456 * [backup-simplify]: Simplify 1 into 1 0.456 * [taylor]: Taking taylor expansion of (* (- y t) z) in x 0.456 * [taylor]: Taking taylor expansion of (- y t) in x 0.456 * [taylor]: Taking taylor expansion of y in x 0.456 * [backup-simplify]: Simplify y into y 0.456 * [taylor]: Taking taylor expansion of t in x 0.456 * [backup-simplify]: Simplify t into t 0.456 * [taylor]: Taking taylor expansion of z in x 0.456 * [backup-simplify]: Simplify z into z 0.456 * [backup-simplify]: Simplify (- t) into (- t) 0.457 * [backup-simplify]: Simplify (+ y (- t)) into (- y t) 0.457 * [backup-simplify]: Simplify (* (- y t) z) into (* (- y t) z) 0.457 * [backup-simplify]: Simplify (/ 1 (* (- y t) z)) into (/ 1 (* (- y t) z)) 0.457 * [backup-simplify]: Simplify (* 2.0 (/ 1 (* (- y t) z))) into (/ 2.0 (* (- y t) z)) 0.457 * [taylor]: Taking taylor expansion of (/ 2.0 (* (- y t) z)) in z 0.457 * [taylor]: Taking taylor expansion of 2.0 in z 0.457 * [backup-simplify]: Simplify 2.0 into 2.0 0.457 * [taylor]: Taking taylor expansion of (* (- y t) z) in z 0.457 * [taylor]: Taking taylor expansion of (- y t) in z 0.457 * [taylor]: Taking taylor expansion of y in z 0.457 * [backup-simplify]: Simplify y into y 0.457 * [taylor]: Taking taylor expansion of t in z 0.457 * [backup-simplify]: Simplify t into t 0.457 * [taylor]: Taking taylor expansion of z in z 0.457 * [backup-simplify]: Simplify 0 into 0 0.457 * [backup-simplify]: Simplify 1 into 1 0.457 * [backup-simplify]: Simplify (- t) into (- t) 0.457 * [backup-simplify]: Simplify (+ y (- t)) into (- y t) 0.458 * [backup-simplify]: Simplify (* (- y t) 0) into 0 0.458 * [backup-simplify]: Simplify (- 0) into 0 0.458 * [backup-simplify]: Simplify (+ 0 0) into 0 0.459 * [backup-simplify]: Simplify (+ (* (- y t) 1) (* 0 0)) into (- y t) 0.459 * [backup-simplify]: Simplify (/ 2.0 (- y t)) into (/ 2.0 (- y t)) 0.459 * [taylor]: Taking taylor expansion of (/ 2.0 (- y t)) in y 0.459 * [taylor]: Taking taylor expansion of 2.0 in y 0.459 * [backup-simplify]: Simplify 2.0 into 2.0 0.459 * [taylor]: Taking taylor expansion of (- y t) in y 0.459 * [taylor]: Taking taylor expansion of y in y 0.459 * [backup-simplify]: Simplify 0 into 0 0.459 * [backup-simplify]: Simplify 1 into 1 0.459 * [taylor]: Taking taylor expansion of t in y 0.459 * [backup-simplify]: Simplify t into t 0.459 * [backup-simplify]: Simplify (- t) into (- t) 0.459 * [backup-simplify]: Simplify (+ 0 (- t)) into (- t) 0.459 * [backup-simplify]: Simplify (/ 2.0 (- t)) into (/ -2.0 t) 0.459 * [taylor]: Taking taylor expansion of (/ -2.0 t) in t 0.459 * [taylor]: Taking taylor expansion of -2.0 in t 0.459 * [backup-simplify]: Simplify -2.0 into -2.0 0.459 * [taylor]: Taking taylor expansion of t in t 0.459 * [backup-simplify]: Simplify 0 into 0 0.460 * [backup-simplify]: Simplify 1 into 1 0.460 * [backup-simplify]: Simplify (/ -2.0 1) into -2.0 0.461 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* -2.0 (/ 0 1)))) into 0 0.461 * [backup-simplify]: Simplify 0 into 0 0.461 * [backup-simplify]: Simplify (- 0) into 0 0.462 * [backup-simplify]: Simplify (+ 0 0) into 0 0.462 * [backup-simplify]: Simplify (+ (* (- y t) 0) (* 0 z)) into 0 0.462 * [backup-simplify]: Simplify (- (/ 0 (* (- y t) z)) (+ (* (/ 1 (* (- y t) z)) (/ 0 (* (- y t) z))))) into 0 0.462 * [backup-simplify]: Simplify (+ (* 2.0 0) (* 0 (/ 1 (* (- y t) z)))) into 0 0.462 * [taylor]: Taking taylor expansion of 0 in z 0.462 * [backup-simplify]: Simplify 0 into 0 0.463 * [backup-simplify]: Simplify (- 0) into 0 0.463 * [backup-simplify]: Simplify (+ 0 0) into 0 0.463 * [backup-simplify]: Simplify (+ (* (- y t) 0) (+ (* 0 1) (* 0 0))) into 0 0.463 * [backup-simplify]: Simplify (- (/ 0 (- y t)) (+ (* (/ 2.0 (- y t)) (/ 0 (- y t))))) into 0 0.463 * [taylor]: Taking taylor expansion of 0 in y 0.463 * [backup-simplify]: Simplify 0 into 0 0.463 * [taylor]: Taking taylor expansion of 0 in t 0.463 * [backup-simplify]: Simplify 0 into 0 0.463 * [backup-simplify]: Simplify 0 into 0 0.464 * [backup-simplify]: Simplify (- 0) into 0 0.464 * [backup-simplify]: Simplify (+ 1 0) into 1