1.456 * [progress]: [Phase 1 of 3] Setting up. 0.001 * * * [progress]: [1/2] Preparing points 0.023 * * * [progress]: [2/2] Setting up program. 0.035 * [progress]: [Phase 2 of 3] Improving. 0.035 * [simplify]: Simplifying: (+ x (/ (* y (- z t)) (- z a))) 0.035 * * [simplify]: Extracting # 0 : cost 0 0.035 * * [simplify]: Extracting # 1 : cost 0 0.035 * * [simplify]: Extracting # 2 : cost 0 0.035 * * [simplify]: Extracting # 3 : cost 0 0.035 * * [simplify]: Extracting # 4 : cost 0 0.035 * * [simplify]: Extracting # 5 : cost 0 0.035 * * [simplify]: iteration 0 : 10 enodes (cost 11 ) 0.037 * * [simplify]: Extracting # 0 : cost 0 0.037 * * [simplify]: Extracting # 1 : cost 0 0.037 * * [simplify]: Extracting # 2 : cost 0 0.037 * * [simplify]: iteration 1 : 18 enodes (cost 11 ) 0.039 * * [simplify]: Extracting # 0 : cost 0 0.039 * * [simplify]: Extracting # 1 : cost 0 0.039 * * [simplify]: Extracting # 2 : cost 0 0.039 * * [simplify]: iteration 2 : 33 enodes (cost 11 ) 0.046 * * [simplify]: Extracting # 0 : cost 0 0.046 * * [simplify]: Extracting # 1 : cost 0 0.046 * * [simplify]: Extracting # 2 : cost 0 0.046 * * [simplify]: iteration 3 : 61 enodes (cost 10 ) 0.068 * * [simplify]: Extracting # 0 : cost 0 0.068 * * [simplify]: Extracting # 1 : cost 0 0.068 * * [simplify]: Extracting # 2 : cost 0 0.069 * * [simplify]: iteration 4 : 112 enodes (cost 10 ) 0.096 * * [simplify]: Extracting # 0 : cost 0 0.096 * * [simplify]: Extracting # 1 : cost 0 0.096 * * [simplify]: Extracting # 2 : cost 0 0.097 * * [simplify]: iteration 5 : 157 enodes (cost 10 ) 0.135 * * [simplify]: Extracting # 0 : cost 0 0.135 * * [simplify]: Extracting # 1 : cost 0 0.135 * * [simplify]: Extracting # 2 : cost 0 0.136 * * [simplify]: iteration 6 : 207 enodes (cost 10 ) 0.196 * * [simplify]: Extracting # 0 : cost 0 0.196 * * [simplify]: Extracting # 1 : cost 0 0.197 * * [simplify]: Extracting # 2 : cost 0 0.197 * * [simplify]: Extracting # 3 : cost 0 0.197 * * [simplify]: iteration 7 : 251 enodes (cost 10 ) 0.283 * * [simplify]: Extracting # 0 : cost 0 0.284 * * [simplify]: Extracting # 1 : cost 0 0.284 * * [simplify]: Extracting # 2 : cost 0 0.285 * * [simplify]: iteration 8 : 302 enodes (cost 10 ) 0.372 * * [simplify]: Extracting # 0 : cost 0 0.372 * * [simplify]: Extracting # 1 : cost 0 0.373 * * [simplify]: Extracting # 2 : cost 0 0.373 * * [simplify]: iteration 9 : 387 enodes (cost 10 ) 0.621 * * [simplify]: Extracting # 0 : cost 0 0.622 * * [simplify]: Extracting # 1 : cost 0 0.622 * * [simplify]: Extracting # 2 : cost 0 0.623 * * [simplify]: iteration 10 : 485 enodes (cost 10 ) 0.807 * * [simplify]: Extracting # 0 : cost 0 0.807 * * [simplify]: Extracting # 1 : cost 0 0.808 * * [simplify]: Extracting # 2 : cost 0 0.808 * * [simplify]: iteration 11 : 553 enodes (cost 10 ) 1.018 * * [simplify]: Extracting # 0 : cost 0 1.019 * * [simplify]: Extracting # 1 : cost 0 1.019 * * [simplify]: Extracting # 2 : cost 0 1.020 * * [simplify]: iteration 12 : 617 enodes (cost 10 ) 1.236 * * [simplify]: Extracting # 0 : cost 0 1.237 * * [simplify]: Extracting # 1 : cost 0 1.240 * * [simplify]: iteration 13 : 645 enodes (cost 10 ) 1.411 * * [simplify]: Extracting # 0 : cost 0 1.412 * * [simplify]: iteration done: 645 enodes (cost 10 ) 1.412 * [simplify]: Simplified to: (fma (/ y (- z a)) (- z t) x) 1.416 * * [progress]: iteration 1 / 4 1.416 * * * [progress]: picking best candidate 1.422 * * * * [pick]: Picked # 1.423 * * * [progress]: localizing error 1.440 * * * [progress]: generating rewritten candidates 1.440 * * * * [progress]: [ 1 / 2 ] rewriting at (2) 1.440 * * * * [progress]: [ 2 / 2 ] rewriting at (2 1) 1.458 * * * [progress]: generating series expansions 1.458 * * * * [progress]: [ 1 / 2 ] generating series at (2) 1.459 * [backup-simplify]: Simplify (fma (/ y (- z a)) (- z t) x) into (fma (/ y (- z a)) (- z t) x) 1.459 * [approximate]: Taking taylor expansion of (fma (/ y (- z a)) (- z t) x) in (y z a t x) around 0 1.459 * [taylor]: Taking taylor expansion of (fma (/ y (- z a)) (- z t) x) in x 1.459 * [taylor]: Rewrote expression to (+ (* (/ y (- z a)) (- z t)) x) 1.459 * [taylor]: Taking taylor expansion of (* (/ y (- z a)) (- z t)) in x 1.459 * [taylor]: Taking taylor expansion of (/ y (- z a)) in x 1.459 * [taylor]: Taking taylor expansion of y in x 1.459 * [backup-simplify]: Simplify y into y 1.459 * [taylor]: Taking taylor expansion of (- z a) in x 1.459 * [taylor]: Taking taylor expansion of z in x 1.459 * [backup-simplify]: Simplify z into z 1.459 * [taylor]: Taking taylor expansion of a in x 1.459 * [backup-simplify]: Simplify a into a 1.459 * [backup-simplify]: Simplify (- a) into (- a) 1.459 * [backup-simplify]: Simplify (+ z (- a)) into (- z a) 1.459 * [backup-simplify]: Simplify (/ y (- z a)) into (/ y (- z a)) 1.459 * [taylor]: Taking taylor expansion of (- z t) in x 1.459 * [taylor]: Taking taylor expansion of z in x 1.459 * [backup-simplify]: Simplify z into z 1.459 * [taylor]: Taking taylor expansion of t in x 1.459 * [backup-simplify]: Simplify t into t 1.459 * [taylor]: Taking taylor expansion of x in x 1.459 * [backup-simplify]: Simplify 0 into 0 1.459 * [backup-simplify]: Simplify 1 into 1 1.459 * [taylor]: Taking taylor expansion of (fma (/ y (- z a)) (- z t) x) in t 1.459 * [taylor]: Rewrote expression to (+ (* (/ y (- z a)) (- z t)) x) 1.459 * [taylor]: Taking taylor expansion of (* (/ y (- z a)) (- z t)) in t 1.459 * [taylor]: Taking taylor expansion of (/ y (- z a)) in t 1.459 * [taylor]: Taking taylor expansion of y in t 1.459 * [backup-simplify]: Simplify y into y 1.459 * [taylor]: Taking taylor expansion of (- z a) in t 1.459 * [taylor]: Taking taylor expansion of z in t 1.459 * [backup-simplify]: Simplify z into z 1.459 * [taylor]: Taking taylor expansion of a in t 1.459 * [backup-simplify]: Simplify a into a 1.459 * [backup-simplify]: Simplify (- a) into (- a) 1.459 * [backup-simplify]: Simplify (+ z (- a)) into (- z a) 1.460 * [backup-simplify]: Simplify (/ y (- z a)) into (/ y (- z a)) 1.460 * [taylor]: Taking taylor expansion of (- z t) in t 1.460 * [taylor]: Taking taylor expansion of z in t 1.460 * [backup-simplify]: Simplify z into z 1.460 * [taylor]: Taking taylor expansion of t in t 1.460 * [backup-simplify]: Simplify 0 into 0 1.460 * [backup-simplify]: Simplify 1 into 1 1.460 * [taylor]: Taking taylor expansion of x in t 1.460 * [backup-simplify]: Simplify x into x 1.460 * [taylor]: Taking taylor expansion of (fma (/ y (- z a)) (- z t) x) in a 1.460 * [taylor]: Rewrote expression to (+ (* (/ y (- z a)) (- z t)) x) 1.460 * [taylor]: Taking taylor expansion of (* (/ y (- z a)) (- z t)) in a 1.460 * [taylor]: Taking taylor expansion of (/ y (- z a)) in a 1.460 * [taylor]: Taking taylor expansion of y in a 1.460 * [backup-simplify]: Simplify y into y 1.460 * [taylor]: Taking taylor expansion of (- z a) in a 1.460 * [taylor]: Taking taylor expansion of z in a 1.460 * [backup-simplify]: Simplify z into z 1.460 * [taylor]: Taking taylor expansion of a in a 1.460 * [backup-simplify]: Simplify 0 into 0 1.460 * [backup-simplify]: Simplify 1 into 1 1.460 * [backup-simplify]: Simplify (- 0) into 0 1.461 * [backup-simplify]: Simplify (+ z 0) into z 1.461 * [backup-simplify]: Simplify (/ y z) into (/ y z) 1.461 * [taylor]: Taking taylor expansion of (- z t) in a 1.461 * [taylor]: Taking taylor expansion of z in a 1.461 * [backup-simplify]: Simplify z into z 1.461 * [taylor]: Taking taylor expansion of t in a 1.461 * [backup-simplify]: Simplify t into t 1.461 * [taylor]: Taking taylor expansion of x in a 1.461 * [backup-simplify]: Simplify x into x 1.461 * [taylor]: Taking taylor expansion of (fma (/ y (- z a)) (- z t) x) in z 1.461 * [taylor]: Rewrote expression to (+ (* (/ y (- z a)) (- z t)) x) 1.461 * [taylor]: Taking taylor expansion of (* (/ y (- z a)) (- z t)) in z 1.461 * [taylor]: Taking taylor expansion of (/ y (- z a)) in z 1.461 * [taylor]: Taking taylor expansion of y in z 1.461 * [backup-simplify]: Simplify y into y 1.461 * [taylor]: Taking taylor expansion of (- z a) in z 1.461 * [taylor]: Taking taylor expansion of z in z 1.461 * [backup-simplify]: Simplify 0 into 0 1.461 * [backup-simplify]: Simplify 1 into 1 1.461 * [taylor]: Taking taylor expansion of a in z 1.461 * [backup-simplify]: Simplify a into a 1.461 * [backup-simplify]: Simplify (- a) into (- a) 1.461 * [backup-simplify]: Simplify (+ 0 (- a)) into (- a) 1.461 * [backup-simplify]: Simplify (/ y (- a)) into (* -1 (/ y a)) 1.461 * [taylor]: Taking taylor expansion of (- z t) in z 1.461 * [taylor]: Taking taylor expansion of z in z 1.461 * [backup-simplify]: Simplify 0 into 0 1.461 * [backup-simplify]: Simplify 1 into 1 1.461 * [taylor]: Taking taylor expansion of t in z 1.461 * [backup-simplify]: Simplify t into t 1.461 * [taylor]: Taking taylor expansion of x in z 1.461 * [backup-simplify]: Simplify x into x 1.461 * [taylor]: Taking taylor expansion of (fma (/ y (- z a)) (- z t) x) in y 1.461 * [taylor]: Rewrote expression to (+ (* (/ y (- z a)) (- z t)) x) 1.461 * [taylor]: Taking taylor expansion of (* (/ y (- z a)) (- z t)) in y 1.461 * [taylor]: Taking taylor expansion of (/ y (- z a)) in y 1.461 * [taylor]: Taking taylor expansion of y in y 1.461 * [backup-simplify]: Simplify 0 into 0 1.461 * [backup-simplify]: Simplify 1 into 1 1.461 * [taylor]: Taking taylor expansion of (- z a) in y 1.461 * [taylor]: Taking taylor expansion of z in y 1.461 * [backup-simplify]: Simplify z into z 1.462 * [taylor]: Taking taylor expansion of a in y 1.462 * [backup-simplify]: Simplify a into a 1.462 * [backup-simplify]: Simplify (- a) into (- a) 1.462 * [backup-simplify]: Simplify (+ z (- a)) into (- z a) 1.462 * [backup-simplify]: Simplify (/ 1 (- z a)) into (/ 1 (- z a)) 1.462 * [taylor]: Taking taylor expansion of (- z t) in y 1.462 * [taylor]: Taking taylor expansion of z in y 1.462 * [backup-simplify]: Simplify z into z 1.462 * [taylor]: Taking taylor expansion of t in y 1.462 * [backup-simplify]: Simplify t into t 1.462 * [taylor]: Taking taylor expansion of x in y 1.462 * [backup-simplify]: Simplify x into x 1.462 * [taylor]: Taking taylor expansion of (fma (/ y (- z a)) (- z t) x) in y 1.462 * [taylor]: Rewrote expression to (+ (* (/ y (- z a)) (- z t)) x) 1.462 * [taylor]: Taking taylor expansion of (* (/ y (- z a)) (- z t)) in y 1.462 * [taylor]: Taking taylor expansion of (/ y (- z a)) in y 1.462 * [taylor]: Taking taylor expansion of y in y 1.462 * [backup-simplify]: Simplify 0 into 0 1.462 * [backup-simplify]: Simplify 1 into 1 1.462 * [taylor]: Taking taylor expansion of (- z a) in y 1.462 * [taylor]: Taking taylor expansion of z in y 1.462 * [backup-simplify]: Simplify z into z 1.462 * [taylor]: Taking taylor expansion of a in y 1.462 * [backup-simplify]: Simplify a into a 1.462 * [backup-simplify]: Simplify (- a) into (- a) 1.462 * [backup-simplify]: Simplify (+ z (- a)) into (- z a) 1.462 * [backup-simplify]: Simplify (/ 1 (- z a)) into (/ 1 (- z a)) 1.462 * [taylor]: Taking taylor expansion of (- z t) in y 1.462 * [taylor]: Taking taylor expansion of z in y 1.462 * [backup-simplify]: Simplify z into z 1.462 * [taylor]: Taking taylor expansion of t in y 1.462 * [backup-simplify]: Simplify t into t 1.462 * [taylor]: Taking taylor expansion of x in y 1.462 * [backup-simplify]: Simplify x into x 1.462 * [backup-simplify]: Simplify (+ 0 x) into x 1.462 * [taylor]: Taking taylor expansion of x in z 1.462 * [backup-simplify]: Simplify x into x 1.462 * [taylor]: Taking taylor expansion of x in a 1.462 * [backup-simplify]: Simplify x into x 1.462 * [taylor]: Taking taylor expansion of x in t 1.462 * [backup-simplify]: Simplify x into x 1.463 * [taylor]: Taking taylor expansion of x in x 1.463 * [backup-simplify]: Simplify 0 into 0 1.463 * [backup-simplify]: Simplify 1 into 1 1.463 * [backup-simplify]: Simplify 0 into 0 1.463 * [backup-simplify]: Simplify (- t) into (- t) 1.463 * [backup-simplify]: Simplify (+ z (- t)) into (- z t) 1.463 * [backup-simplify]: Simplify (* (/ 1 (- z a)) (- z t)) into (/ (- z t) (- z a)) 1.463 * [backup-simplify]: Simplify (+ (/ (- z t) (- z a)) 0) into (- (/ z (- z a)) (/ t (- z a))) 1.463 * [taylor]: Taking taylor expansion of (- (/ z (- z a)) (/ t (- z a))) in z 1.463 * [taylor]: Taking taylor expansion of (/ z (- z a)) in z 1.463 * [taylor]: Taking taylor expansion of z in z 1.463 * [backup-simplify]: Simplify 0 into 0 1.463 * [backup-simplify]: Simplify 1 into 1 1.463 * [taylor]: Taking taylor expansion of (- z a) in z 1.463 * [taylor]: Taking taylor expansion of z in z 1.463 * [backup-simplify]: Simplify 0 into 0 1.463 * [backup-simplify]: Simplify 1 into 1 1.463 * [taylor]: Taking taylor expansion of a in z 1.463 * [backup-simplify]: Simplify a into a 1.463 * [backup-simplify]: Simplify (- a) into (- a) 1.463 * [backup-simplify]: Simplify (+ 0 (- a)) into (- a) 1.463 * [backup-simplify]: Simplify (/ 1 (- a)) into (/ -1 a) 1.463 * [taylor]: Taking taylor expansion of (/ t (- z a)) in z 1.463 * [taylor]: Taking taylor expansion of t in z 1.463 * [backup-simplify]: Simplify t into t 1.463 * [taylor]: Taking taylor expansion of (- z a) in z 1.463 * [taylor]: Taking taylor expansion of z in z 1.463 * [backup-simplify]: Simplify 0 into 0 1.463 * [backup-simplify]: Simplify 1 into 1 1.463 * [taylor]: Taking taylor expansion of a in z 1.463 * [backup-simplify]: Simplify a into a 1.463 * [backup-simplify]: Simplify (- a) into (- a) 1.463 * [backup-simplify]: Simplify (+ 0 (- a)) into (- a) 1.463 * [backup-simplify]: Simplify (/ t (- a)) into (* -1 (/ t a)) 1.463 * [backup-simplify]: Simplify (- (* -1 (/ t a))) into (/ t a) 1.464 * [backup-simplify]: Simplify (+ 0 (/ t a)) into (/ t a) 1.464 * [taylor]: Taking taylor expansion of (/ t a) in a 1.464 * [taylor]: Taking taylor expansion of t in a 1.464 * [backup-simplify]: Simplify t into t 1.464 * [taylor]: Taking taylor expansion of a in a 1.464 * [backup-simplify]: Simplify 0 into 0 1.464 * [backup-simplify]: Simplify 1 into 1 1.464 * [backup-simplify]: Simplify (/ t 1) into t 1.464 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* t (/ 0 1)))) into 0 1.464 * [taylor]: Taking taylor expansion of 0 in t 1.465 * [backup-simplify]: Simplify 0 into 0 1.465 * [taylor]: Taking taylor expansion of 0 in x 1.465 * [backup-simplify]: Simplify 0 into 0 1.465 * [backup-simplify]: Simplify 0 into 0 1.465 * [taylor]: Taking taylor expansion of 0 in a 1.465 * [backup-simplify]: Simplify 0 into 0 1.465 * [taylor]: Taking taylor expansion of 0 in t 1.465 * [backup-simplify]: Simplify 0 into 0 1.465 * [taylor]: Taking taylor expansion of 0 in x 1.465 * [backup-simplify]: Simplify 0 into 0 1.465 * [backup-simplify]: Simplify 0 into 0 1.465 * [taylor]: Taking taylor expansion of 0 in t 1.465 * [backup-simplify]: Simplify 0 into 0 1.465 * [taylor]: Taking taylor expansion of 0 in x 1.465 * [backup-simplify]: Simplify 0 into 0 1.465 * [backup-simplify]: Simplify 0 into 0 1.465 * [taylor]: Taking taylor expansion of 0 in x 1.465 * [backup-simplify]: Simplify 0 into 0 1.465 * [backup-simplify]: Simplify 0 into 0 1.465 * [backup-simplify]: Simplify 1 into 1 1.465 * [backup-simplify]: Simplify (- 0) into 0 1.465 * [backup-simplify]: Simplify (+ 0 0) into 0 1.466 * [backup-simplify]: Simplify (- 0) into 0 1.466 * [backup-simplify]: Simplify (+ 0 0) into 0 1.466 * [backup-simplify]: Simplify (- (/ 0 (- z a)) (+ (* (/ 1 (- z a)) (/ 0 (- z a))))) into 0 1.466 * [backup-simplify]: Simplify (+ (* (/ 1 (- z a)) 0) (* 0 (- z t))) into 0 1.467 * [backup-simplify]: Simplify (+ 0 0) into 0 1.467 * [taylor]: Taking taylor expansion of 0 in z 1.467 * [backup-simplify]: Simplify 0 into 0 1.467 * [taylor]: Taking taylor expansion of 0 in a 1.467 * [backup-simplify]: Simplify 0 into 0 1.467 * [taylor]: Taking taylor expansion of 0 in t 1.467 * [backup-simplify]: Simplify 0 into 0 1.467 * [taylor]: Taking taylor expansion of 0 in x 1.467 * [backup-simplify]: Simplify 0 into 0 1.467 * [backup-simplify]: Simplify 0 into 0 1.467 * [backup-simplify]: Simplify (- 0) into 0 1.467 * [backup-simplify]: Simplify (+ 1 0) into 1