7.013 * [progress]: [Phase 1 of 3] Setting up. 0.001 * * * [progress]: [1/2] Preparing points 0.045 * * * [progress]: [2/2] Setting up program. 0.047 * [progress]: [Phase 2 of 3] Improving. 0.048 * [simplify]: Simplifying: (* (/ 1.0 2.0) (+ x (* y (sqrt z)))) 0.048 * * [simplify]: Extracting # 0 : cost 0 0.048 * * [simplify]: Extracting # 1 : cost 0 0.048 * * [simplify]: Extracting # 2 : cost 0 0.048 * * [simplify]: Extracting # 3 : cost 0 0.048 * * [simplify]: Extracting # 4 : cost 0 0.048 * * [simplify]: Extracting # 5 : cost 0 0.048 * * [simplify]: iteration 0 : 10 enodes (cost 10 ) 0.050 * * [simplify]: Extracting # 0 : cost 0 0.050 * * [simplify]: Extracting # 1 : cost 0 0.050 * * [simplify]: Extracting # 2 : cost 0 0.050 * * [simplify]: iteration 1 : 21 enodes (cost 10 ) 0.054 * * [simplify]: Extracting # 0 : cost 0 0.054 * * [simplify]: Extracting # 1 : cost 0 0.055 * * [simplify]: Extracting # 2 : cost 0 0.055 * * [simplify]: iteration 2 : 51 enodes (cost 9 ) 0.070 * * [simplify]: Extracting # 0 : cost 0 0.070 * * [simplify]: Extracting # 1 : cost 0 0.070 * * [simplify]: Extracting # 2 : cost 0 0.070 * * [simplify]: iteration 3 : 85 enodes (cost 9 ) 0.115 * * [simplify]: Extracting # 0 : cost 0 0.116 * * [simplify]: Extracting # 1 : cost 0 0.116 * * [simplify]: Extracting # 2 : cost 0 0.116 * * [simplify]: iteration 4 : 121 enodes (cost 9 ) 0.149 * * [simplify]: Extracting # 0 : cost 0 0.149 * * [simplify]: Extracting # 1 : cost 0 0.150 * * [simplify]: Extracting # 2 : cost 0 0.150 * * [simplify]: iteration 5 : 140 enodes (cost 9 ) 0.180 * * [simplify]: Extracting # 0 : cost 0 0.181 * * [simplify]: Extracting # 1 : cost 0 0.181 * * [simplify]: Extracting # 2 : cost 0 0.181 * * [simplify]: iteration 6 : 157 enodes (cost 9 ) 0.240 * * [simplify]: Extracting # 0 : cost 0 0.241 * * [simplify]: Extracting # 1 : cost 0 0.241 * * [simplify]: iteration 7 : 173 enodes (cost 9 ) 0.280 * * [simplify]: Extracting # 0 : cost 0 0.280 * * [simplify]: iteration 8 : 175 enodes (cost 9 ) 0.322 * * [simplify]: Extracting # 0 : cost 0 0.322 * * [simplify]: iteration done: 175 enodes (cost 9 ) 0.322 * [simplify]: Simplified to: (* (/ 1.0 2.0) (fma (sqrt z) y x)) 0.325 * * [progress]: iteration 1 / 4 0.325 * * * [progress]: picking best candidate 0.328 * * * * [pick]: Picked # 0.328 * * * [progress]: localizing error 0.337 * * * [progress]: generating rewritten candidates 0.337 * * * * [progress]: [ 1 / 2 ] rewriting at (2) 0.353 * * * * [progress]: [ 2 / 2 ] rewriting at (2 2) 0.355 * * * [progress]: generating series expansions 0.355 * * * * [progress]: [ 1 / 2 ] generating series at (2) 0.356 * [backup-simplify]: Simplify (* (/ 1.0 2.0) (fma (sqrt z) y x)) into (* 0.5 (fma (sqrt z) y x)) 0.356 * [approximate]: Taking taylor expansion of (* 0.5 (fma (sqrt z) y x)) in (z y x) around 0 0.356 * [taylor]: Taking taylor expansion of (* 0.5 (fma (sqrt z) y x)) in x 0.356 * [taylor]: Taking taylor expansion of 0.5 in x 0.356 * [backup-simplify]: Simplify 0.5 into 0.5 0.356 * [taylor]: Taking taylor expansion of (fma (sqrt z) y x) in x 0.356 * [taylor]: Rewrote expression to (+ (* (sqrt z) y) x) 0.356 * [taylor]: Taking taylor expansion of (* (sqrt z) y) in x 0.356 * [taylor]: Taking taylor expansion of (sqrt z) in x 0.356 * [taylor]: Taking taylor expansion of z in x 0.356 * [backup-simplify]: Simplify z into z 0.356 * [backup-simplify]: Simplify (sqrt z) into (sqrt z) 0.356 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt z))) into 0 0.356 * [taylor]: Taking taylor expansion of y in x 0.356 * [backup-simplify]: Simplify y into y 0.356 * [taylor]: Taking taylor expansion of x in x 0.356 * [backup-simplify]: Simplify 0 into 0 0.356 * [backup-simplify]: Simplify 1 into 1 0.356 * [taylor]: Taking taylor expansion of (* 0.5 (fma (sqrt z) y x)) in y 0.356 * [taylor]: Taking taylor expansion of 0.5 in y 0.356 * [backup-simplify]: Simplify 0.5 into 0.5 0.356 * [taylor]: Taking taylor expansion of (fma (sqrt z) y x) in y 0.356 * [taylor]: Rewrote expression to (+ (* (sqrt z) y) x) 0.356 * [taylor]: Taking taylor expansion of (* (sqrt z) y) in y 0.356 * [taylor]: Taking taylor expansion of (sqrt z) in y 0.356 * [taylor]: Taking taylor expansion of z in y 0.356 * [backup-simplify]: Simplify z into z 0.356 * [backup-simplify]: Simplify (sqrt z) into (sqrt z) 0.357 * [backup-simplify]: Simplify (/ 0 (* 2 (sqrt z))) into 0 0.357 * [taylor]: Taking taylor expansion of y in y 0.357 * [backup-simplify]: Simplify 0 into 0 0.357 * [backup-simplify]: Simplify 1 into 1 0.357 * [taylor]: Taking taylor expansion of x in y 0.357 * [backup-simplify]: Simplify x into x 0.357 * [taylor]: Taking taylor expansion of (* 0.5 (fma (sqrt z) y x)) in z 0.357 * [taylor]: Taking taylor expansion of 0.5 in z 0.357 * [backup-simplify]: Simplify 0.5 into 0.5 0.357 * [taylor]: Taking taylor expansion of (fma (sqrt z) y x) in z 0.357 * [taylor]: Rewrote expression to (+ (* (sqrt z) y) x) 0.357 * [taylor]: Taking taylor expansion of (* (sqrt z) y) in z 0.357 * [taylor]: Taking taylor expansion of (sqrt z) in z 0.357 * [taylor]: Taking taylor expansion of z in z 0.357 * [backup-simplify]: Simplify 0 into 0 0.357 * [backup-simplify]: Simplify 1 into 1 0.357 * [backup-simplify]: Simplify (sqrt 0) into 0 0.358 * [backup-simplify]: Simplify (/ 1 (* 2 (sqrt 0))) into +nan.0 0.359 * [taylor]: Taking taylor expansion of y in z 0.359 * [backup-simplify]: Simplify y into y 0.359 * [taylor]: Taking taylor expansion of x in z 0.359 * [backup-simplify]: Simplify x into x 0.359 * [taylor]: Taking taylor expansion of (* 0.5 (fma (sqrt z) y x)) in z 0.359 * [taylor]: Taking taylor expansion of 0.5 in z 0.359 * [backup-simplify]: Simplify 0.5 into 0.5 0.359 * [taylor]: Taking taylor expansion of (fma (sqrt z) y x) in z 0.359 * [taylor]: Rewrote expression to (+ (* (sqrt z) y) x) 0.359 * [taylor]: Taking taylor expansion of (* (sqrt z) y) in z 0.359 * [taylor]: Taking taylor expansion of (sqrt z) in z 0.359 * [taylor]: Taking taylor expansion of z in z 0.359 * [backup-simplify]: Simplify 0 into 0 0.359 * [backup-simplify]: Simplify 1 into 1 0.359 * [backup-simplify]: Simplify (sqrt 0) into 0 0.360 * [backup-simplify]: Simplify (/ 1 (* 2 (sqrt 0))) into +nan.0 0.360 * [taylor]: Taking taylor expansion of y in z 0.360 * [backup-simplify]: Simplify y into y 0.360 * [taylor]: Taking taylor expansion of x in z 0.360 * [backup-simplify]: Simplify x into x 0.360 * [backup-simplify]: Simplify (* 0 y) into 0 0.360 * [backup-simplify]: Simplify (+ 0 x) into x 0.360 * [backup-simplify]: Simplify (* 0.5 x) into (* 0.5 x) 0.360 * [taylor]: Taking taylor expansion of (* 0.5 x) in y 0.360 * [taylor]: Taking taylor expansion of 0.5 in y 0.360 * [backup-simplify]: Simplify 0.5 into 0.5 0.360 * [taylor]: Taking taylor expansion of x in y 0.360 * [backup-simplify]: Simplify x into x 0.360 * [backup-simplify]: Simplify (* 0.5 x) into (* 0.5 x) 0.360 * [taylor]: Taking taylor expansion of (* 0.5 x) in x 0.360 * [taylor]: Taking taylor expansion of 0.5 in x 0.360 * [backup-simplify]: Simplify 0.5 into 0.5 0.360 * [taylor]: Taking taylor expansion of x in x 0.361 * [backup-simplify]: Simplify 0 into 0 0.361 * [backup-simplify]: Simplify 1 into 1 0.361 * [backup-simplify]: Simplify (* 0.5 0) into 0 0.361 * [backup-simplify]: Simplify 0 into 0 0.361 * [backup-simplify]: Simplify (+ (* 0 0) (* +nan.0 y)) into (- (* +nan.0 y)) 0.361 * [backup-simplify]: Simplify (+ (- (* +nan.0 y)) 0) into (- (* +nan.0 y)) 0.361 * [backup-simplify]: Simplify (+ (* 0.5 (- (* +nan.0 y))) (* 0 x)) into (- (* +nan.0 y)) 0.361 * [taylor]: Taking taylor expansion of (- (* +nan.0 y)) in y 0.361 * [taylor]: Taking taylor expansion of (* +nan.0 y) in y 0.361 * [taylor]: Taking taylor expansion of +nan.0 in y 0.361 * [backup-simplify]: Simplify +nan.0 into +nan.0 0.361 * [taylor]: Taking taylor expansion of y in y 0.361 * [backup-simplify]: Simplify 0 into 0 0.361 * [backup-simplify]: Simplify 1 into 1 0.362 * [backup-simplify]: Simplify (* +nan.0 0) into 0 0.362 * [backup-simplify]: Simplify (- 0) into 0 0.362 * [taylor]: Taking taylor expansion of 0 in x 0.362 * [backup-simplify]: Simplify 0 into 0 0.362 * [backup-simplify]: Simplify 0 into 0 0.362 * [backup-simplify]: Simplify (+ (* 0.5 0) (* 0 x)) into 0 0.362 * [taylor]: Taking taylor expansion of 0 in x 0.362 * [backup-simplify]: Simplify 0 into 0 0.362 * [backup-simplify]: Simplify 0 into 0 0.363 * [backup-simplify]: Simplify (+ (* 0.5 1) (* 0 0)) into 0.5 0.363 * [backup-simplify]: Simplify 0.5 into 0.5 0.372 * [backup-simplify]: Simplify (/ (- 0 (pow +nan.0 2) (+)) (* 2 0)) into +nan.0 0.373 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* +nan.0 0) (* +nan.0 y))) into (- (* +nan.0 y)) 0.373 * [backup-simplify]: Simplify (+ (- (* +nan.0 y)) 0) into (- (* +nan.0 y)) 0.374 * [backup-simplify]: Simplify (+ (* 0.5 (- (* +nan.0 y))) (+ (* 0 (- (* +nan.0 y))) (* 0 x))) into (- (* +nan.0 y)) 0.374 * [taylor]: Taking taylor expansion of (- (* +nan.0 y)) in y 0.374 * [taylor]: Taking taylor expansion of (* +nan.0 y) in y 0.374 * [taylor]: Taking taylor expansion of +nan.0 in y 0.374 * [backup-simplify]: Simplify +nan.0 into +nan.0 0.374 * [taylor]: Taking taylor expansion of y in y 0.374 * [backup-simplify]: Simplify 0 into 0 0.374 * [backup-simplify]: Simplify 1 into 1 0.374 * [backup-simplify]: Simplify (* +nan.0 0) into 0 0.375 * [backup-simplify]: Simplify (- 0) into 0 0.375 * [taylor]: Taking taylor expansion of 0 in x 0.375 * [backup-simplify]: Simplify 0 into 0 0.375 * [backup-simplify]: Simplify 0 into 0 0.376 * [backup-simplify]: Simplify (+ (* +nan.0 1) (* 0 0)) into (- +nan.0) 0.377 * [backup-simplify]: Simplify (- (- +nan.0)) into (- +nan.0) 0.377 * [taylor]: Taking taylor expansion of (- +nan.0) in x 0.377 * [taylor]: Taking taylor expansion of +nan.0 in x 0.377 * [backup-simplify]: Simplify +nan.0 into +nan.0 0.378 * [backup-simplify]: Simplify (- +nan.0) into (- +nan.0) 0.378 * [backup-simplify]: Simplify (- +nan.0) into (- +nan.0) 0.379 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (* 0 x))) into 0 0.379 * [taylor]: Taking taylor expansion of 0 in x 0.379 * [backup-simplify]: Simplify 0 into 0 0.379 * [backup-simplify]: Simplify 0 into 0 0.379 * [backup-simplify]: Simplify 0 into 0 0.379 * [backup-simplify]: Simplify 0 into 0 0.380 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 1) (* 0 0))) into 0 0.380 * [backup-simplify]: Simplify 0 into 0 0.382 * [backup-simplify]: Simplify (/ (- 0 (+ (* 2 (* +nan.0 +nan.0)))) (* 2 0)) into +nan.0 0.383 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* +nan.0 0) (+ (* +nan.0 0) (* +nan.0 y)))) into (- (* +nan.0 y)) 0.383 * [backup-simplify]: Simplify (+ (- (* +nan.0 y)) 0) into (- (* +nan.0 y)) 0.383 * [backup-simplify]: Simplify (+ (* 0.5 (- (* +nan.0 y))) (+ (* 0 (- (* +nan.0 y))) (+ (* 0 (- (* +nan.0 y))) (* 0 x)))) into (- (* +nan.0 y)) 0.383 * [taylor]: Taking taylor expansion of (- (* +nan.0 y)) in y 0.384 * [taylor]: Taking taylor expansion of (* +nan.0 y) in y 0.384 * [taylor]: Taking taylor expansion of +nan.0 in y 0.384 * [backup-simplify]: Simplify +nan.0 into +nan.0 0.384 * [taylor]: Taking taylor expansion of y in y 0.384 * [backup-simplify]: Simplify 0 into 0 0.384 * [backup-simplify]: Simplify 1 into 1 0.384 * [backup-simplify]: Simplify (* +nan.0 0) into 0 0.384 * [backup-simplify]: Simplify (- 0) into 0 0.384 * [taylor]: Taking taylor expansion of 0 in x 0.384 * [backup-simplify]: Simplify 0 into 0 0.384 * [backup-simplify]: Simplify 0 into 0 0.385 * [backup-simplify]: Simplify (+ (* +nan.0 1) (* 0 0)) into (- +nan.0) 0.386 * [backup-simplify]: Simplify (- (- +nan.0)) into (- +nan.0) 0.386 * [taylor]: Taking taylor expansion of (- +nan.0) in x 0.386 * [taylor]: Taking taylor expansion of +nan.0 in x 0.386 * [backup-simplify]: Simplify +nan.0 into +nan.0 0.386 * [backup-simplify]: Simplify (- +nan.0) into (- +nan.0) 0.386 * [backup-simplify]: Simplify (- +nan.0) into (- +nan.0)