14.998 * [progress]: [Phase 1 of 3] Setting up. 0.001 * * * [progress]: [1/2] Preparing points 0.011 * * * [progress]: [2/2] Setting up program. 0.013 * [progress]: [Phase 2 of 3] Improving. 0.013 * [simplify]: Simplifying: (/ (* x y) 2.0) 0.013 * * [simplify]: Extracting # 0 : cost 0 0.013 * * [simplify]: Extracting # 1 : cost 0 0.013 * * [simplify]: Extracting # 2 : cost 0 0.013 * * [simplify]: Extracting # 3 : cost 0 0.013 * * [simplify]: Extracting # 4 : cost 0 0.013 * * [simplify]: iteration 0 : 5 enodes (cost 5 ) 0.014 * * [simplify]: Extracting # 0 : cost 0 0.014 * * [simplify]: Extracting # 1 : cost 0 0.014 * * [simplify]: Extracting # 2 : cost 0 0.014 * * [simplify]: iteration 1 : 8 enodes (cost 5 ) 0.015 * * [simplify]: Extracting # 0 : cost 0 0.015 * * [simplify]: Extracting # 1 : cost 0 0.015 * * [simplify]: Extracting # 2 : cost 0 0.015 * * [simplify]: iteration 2 : 12 enodes (cost 5 ) 0.017 * * [simplify]: Extracting # 0 : cost 0 0.017 * * [simplify]: Extracting # 1 : cost 0 0.017 * * [simplify]: Extracting # 2 : cost 0 0.017 * * [simplify]: iteration 3 : 15 enodes (cost 5 ) 0.019 * * [simplify]: Extracting # 0 : cost 0 0.019 * * [simplify]: iteration 4 : 16 enodes (cost 5 ) 0.021 * * [simplify]: Extracting # 0 : cost 0 0.021 * * [simplify]: iteration done: 16 enodes (cost 5 ) 0.021 * [simplify]: Simplified to: (/ (* x y) 2.0) 0.022 * * [progress]: iteration 1 / 4 0.022 * * * [progress]: picking best candidate 0.023 * * * * [pick]: Picked # 0.023 * * * [progress]: localizing error 0.026 * * * [progress]: generating rewritten candidates 0.026 * * * * [progress]: [ 1 / 1 ] rewriting at (2) 0.037 * * * [progress]: generating series expansions 0.037 * * * * [progress]: [ 1 / 1 ] generating series at (2) 0.037 * [backup-simplify]: Simplify (/ (* x y) 2.0) into (* 0.5 (* x y)) 0.037 * [approximate]: Taking taylor expansion of (* 0.5 (* x y)) in (x y) around 0 0.037 * [taylor]: Taking taylor expansion of (* 0.5 (* x y)) in y 0.037 * [taylor]: Taking taylor expansion of 0.5 in y 0.037 * [backup-simplify]: Simplify 0.5 into 0.5 0.037 * [taylor]: Taking taylor expansion of (* x y) in y 0.037 * [taylor]: Taking taylor expansion of x in y 0.037 * [backup-simplify]: Simplify x into x 0.037 * [taylor]: Taking taylor expansion of y in y 0.037 * [backup-simplify]: Simplify 0 into 0 0.037 * [backup-simplify]: Simplify 1 into 1 0.037 * [taylor]: Taking taylor expansion of (* 0.5 (* x y)) in x 0.037 * [taylor]: Taking taylor expansion of 0.5 in x 0.037 * [backup-simplify]: Simplify 0.5 into 0.5 0.037 * [taylor]: Taking taylor expansion of (* x y) in x 0.037 * [taylor]: Taking taylor expansion of x in x 0.037 * [backup-simplify]: Simplify 0 into 0 0.037 * [backup-simplify]: Simplify 1 into 1 0.037 * [taylor]: Taking taylor expansion of y in x 0.037 * [backup-simplify]: Simplify y into y 0.037 * [taylor]: Taking taylor expansion of (* 0.5 (* x y)) in x 0.037 * [taylor]: Taking taylor expansion of 0.5 in x 0.037 * [backup-simplify]: Simplify 0.5 into 0.5 0.037 * [taylor]: Taking taylor expansion of (* x y) in x 0.037 * [taylor]: Taking taylor expansion of x in x 0.037 * [backup-simplify]: Simplify 0 into 0 0.037 * [backup-simplify]: Simplify 1 into 1 0.037 * [taylor]: Taking taylor expansion of y in x 0.037 * [backup-simplify]: Simplify y into y 0.037 * [backup-simplify]: Simplify (* 0 y) into 0 0.038 * [backup-simplify]: Simplify (* 0.5 0) into 0 0.038 * [taylor]: Taking taylor expansion of 0 in y 0.038 * [backup-simplify]: Simplify 0 into 0 0.038 * [backup-simplify]: Simplify 0 into 0 0.038 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 y)) into y 0.038 * [backup-simplify]: Simplify (+ (* 0.5 y) (* 0 0)) into (* 0.5 y) 0.038 * [taylor]: Taking taylor expansion of (* 0.5 y) in y 0.038 * [taylor]: Taking taylor expansion of 0.5 in y 0.038 * [backup-simplify]: Simplify 0.5 into 0.5 0.038 * [taylor]: Taking taylor expansion of y in y 0.038 * [backup-simplify]: Simplify 0 into 0 0.038 * [backup-simplify]: Simplify 1 into 1 0.039 * [backup-simplify]: Simplify (* 0.5 0) into 0 0.039 * [backup-simplify]: Simplify 0 into 0 0.039 * [backup-simplify]: Simplify 0 into 0 0.039 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (* 0 y))) into 0 0.040 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 y) (* 0 0))) into 0 0.040 * [taylor]: Taking taylor expansion of 0 in y 0.040 * [backup-simplify]: Simplify 0 into 0 0.040 * [backup-simplify]: Simplify 0 into 0 0.041 * [backup-simplify]: Simplify (+ (* 0.5 1) (* 0 0)) into 0.5 0.041 * [backup-simplify]: Simplify 0.5 into 0.5 0.041 * [backup-simplify]: Simplify 0 into 0 0.041 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (* 0 y)))) into 0 0.042 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 y) (* 0 0)))) into 0 0.042 * [taylor]: Taking taylor expansion of 0 in y 0.042 * [backup-simplify]: Simplify 0 into 0 0.042 * [backup-simplify]: Simplify 0 into 0 0.042 * [backup-simplify]: Simplify 0 into 0 0.043 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 1) (* 0 0))) into 0 0.043 * [backup-simplify]: Simplify 0 into 0 0.043 * [backup-simplify]: Simplify 0 into 0 0.044 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 y))))) into 0 0.044 * [backup-simplify]: Simplify (+ (* 0.5 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 y) (* 0 0))))) into 0 0.044 * [taylor]: Taking taylor expansion of 0 in y 0.044 * [backup-simplify]: Simplify 0 into 0 0.045 * [backup-simplify]: Simplify 0 into 0 0.045 * [backup-simplify]: Simplify (* 0.5 (* y x)) into (* 0.5 (* x y)) 0.045 * [backup-simplify]: Simplify (/ (* (/ 1 x) (/ 1 y)) 2.0) into (/ 0.5 (* x y)) 0.045 * [approximate]: Taking taylor expansion of (/ 0.5 (* x y)) in (x y) around 0 0.045 * [taylor]: Taking taylor expansion of (/ 0.5 (* x y)) in y 0.045 * [taylor]: Taking taylor expansion of 0.5 in y 0.045 * [backup-simplify]: Simplify 0.5 into 0.5 0.045 * [taylor]: Taking taylor expansion of (* x y) in y 0.045 * [taylor]: Taking taylor expansion of x in y 0.045 * [backup-simplify]: Simplify x into x 0.045 * [taylor]: Taking taylor expansion of y in y 0.045 * [backup-simplify]: Simplify 0 into 0 0.045 * [backup-simplify]: Simplify 1 into 1 0.045 * [backup-simplify]: Simplify (* x 0) into 0 0.045 * [backup-simplify]: Simplify (+ (* x 1) (* 0 0)) into x 0.045 * [backup-simplify]: Simplify (/ 0.5 x) into (/ 0.5 x) 0.045 * [taylor]: Taking taylor expansion of (/ 0.5 (* x y)) in x 0.045 * [taylor]: Taking taylor expansion of 0.5 in x 0.045 * [backup-simplify]: Simplify 0.5 into 0.5 0.045 * [taylor]: Taking taylor expansion of (* x y) in x 0.045 * [taylor]: Taking taylor expansion of x in x 0.045 * [backup-simplify]: Simplify 0 into 0 0.045 * [backup-simplify]: Simplify 1 into 1 0.045 * [taylor]: Taking taylor expansion of y in x 0.045 * [backup-simplify]: Simplify y into y 0.045 * [backup-simplify]: Simplify (* 0 y) into 0 0.046 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 y)) into y 0.046 * [backup-simplify]: Simplify (/ 0.5 y) into (/ 0.5 y) 0.046 * [taylor]: Taking taylor expansion of (/ 0.5 (* x y)) in x 0.046 * [taylor]: Taking taylor expansion of 0.5 in x 0.046 * [backup-simplify]: Simplify 0.5 into 0.5 0.046 * [taylor]: Taking taylor expansion of (* x y) in x 0.046 * [taylor]: Taking taylor expansion of x in x 0.046 * [backup-simplify]: Simplify 0 into 0 0.046 * [backup-simplify]: Simplify 1 into 1 0.046 * [taylor]: Taking taylor expansion of y in x 0.046 * [backup-simplify]: Simplify y into y 0.046 * [backup-simplify]: Simplify (* 0 y) into 0 0.046 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 y)) into y 0.046 * [backup-simplify]: Simplify (/ 0.5 y) into (/ 0.5 y) 0.046 * [taylor]: Taking taylor expansion of (/ 0.5 y) in y 0.046 * [taylor]: Taking taylor expansion of 0.5 in y 0.046 * [backup-simplify]: Simplify 0.5 into 0.5 0.046 * [taylor]: Taking taylor expansion of y in y 0.046 * [backup-simplify]: Simplify 0 into 0 0.046 * [backup-simplify]: Simplify 1 into 1 0.047 * [backup-simplify]: Simplify (/ 0.5 1) into 0.5 0.047 * [backup-simplify]: Simplify 0.5 into 0.5 0.047 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (* 0 y))) into 0 0.047 * [backup-simplify]: Simplify (- (/ 0 y) (+ (* (/ 0.5 y) (/ 0 y)))) into 0 0.047 * [taylor]: Taking taylor expansion of 0 in y 0.047 * [backup-simplify]: Simplify 0 into 0 0.048 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 0.5 (/ 0 1)))) into 0 0.048 * [backup-simplify]: Simplify 0 into 0 0.048 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (* 0 y)))) into 0 0.049 * [backup-simplify]: Simplify (- (/ 0 y) (+ (* (/ 0.5 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0 0.049 * [taylor]: Taking taylor expansion of 0 in y 0.049 * [backup-simplify]: Simplify 0 into 0 0.049 * [backup-simplify]: Simplify 0 into 0 0.049 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 0.5 (/ 0 1)) (* 0 (/ 0 1)))) into 0 0.049 * [backup-simplify]: Simplify 0 into 0 0.050 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 y))))) into 0 0.050 * [backup-simplify]: Simplify (- (/ 0 y) (+ (* (/ 0.5 y) (/ 0 y)) (* 0 (/ 0 y)) (* 0 (/ 0 y)))) into 0 0.050 * [taylor]: Taking taylor expansion of 0 in y 0.050 * [backup-simplify]: Simplify 0 into 0 0.050 * [backup-simplify]: Simplify 0 into 0 0.050 * [backup-simplify]: Simplify 0 into 0 0.051 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 0.5 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0 0.051 * [backup-simplify]: Simplify 0 into 0 0.051 * [backup-simplify]: Simplify (* 0.5 (* (/ 1 (/ 1 y)) (/ 1 (/ 1 x)))) into (* 0.5 (* x y)) 0.051 * [backup-simplify]: Simplify (/ (* (/ 1 (- x)) (/ 1 (- y))) 2.0) into (/ 0.5 (* x y)) 0.051 * [approximate]: Taking taylor expansion of (/ 0.5 (* x y)) in (x y) around 0 0.051 * [taylor]: Taking taylor expansion of (/ 0.5 (* x y)) in y 0.051 * [taylor]: Taking taylor expansion of 0.5 in y 0.051 * [backup-simplify]: Simplify 0.5 into 0.5 0.051 * [taylor]: Taking taylor expansion of (* x y) in y 0.051 * [taylor]: Taking taylor expansion of x in y 0.051 * [backup-simplify]: Simplify x into x 0.051 * [taylor]: Taking taylor expansion of y in y 0.051 * [backup-simplify]: Simplify 0 into 0 0.051 * [backup-simplify]: Simplify 1 into 1 0.051 * [backup-simplify]: Simplify (* x 0) into 0 0.052 * [backup-simplify]: Simplify (+ (* x 1) (* 0 0)) into x 0.052 * [backup-simplify]: Simplify (/ 0.5 x) into (/ 0.5 x) 0.052 * [taylor]: Taking taylor expansion of (/ 0.5 (* x y)) in x 0.052 * [taylor]: Taking taylor expansion of 0.5 in x 0.052 * [backup-simplify]: Simplify 0.5 into 0.5 0.052 * [taylor]: Taking taylor expansion of (* x y) in x 0.052 * [taylor]: Taking taylor expansion of x in x 0.052 * [backup-simplify]: Simplify 0 into 0 0.052 * [backup-simplify]: Simplify 1 into 1 0.052 * [taylor]: Taking taylor expansion of y in x 0.052 * [backup-simplify]: Simplify y into y 0.052 * [backup-simplify]: Simplify (* 0 y) into 0 0.052 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 y)) into y 0.052 * [backup-simplify]: Simplify (/ 0.5 y) into (/ 0.5 y) 0.052 * [taylor]: Taking taylor expansion of (/ 0.5 (* x y)) in x 0.052 * [taylor]: Taking taylor expansion of 0.5 in x 0.052 * [backup-simplify]: Simplify 0.5 into 0.5 0.052 * [taylor]: Taking taylor expansion of (* x y) in x 0.052 * [taylor]: Taking taylor expansion of x in x 0.052 * [backup-simplify]: Simplify 0 into 0 0.052 * [backup-simplify]: Simplify 1 into 1 0.052 * [taylor]: Taking taylor expansion of y in x 0.052 * [backup-simplify]: Simplify y into y 0.052 * [backup-simplify]: Simplify (* 0 y) into 0 0.052 * [backup-simplify]: Simplify (+ (* 0 0) (* 1 y)) into y 0.053 * [backup-simplify]: Simplify (/ 0.5 y) into (/ 0.5 y) 0.053 * [taylor]: Taking taylor expansion of (/ 0.5 y) in y 0.053 * [taylor]: Taking taylor expansion of 0.5 in y 0.053 * [backup-simplify]: Simplify 0.5 into 0.5 0.053 * [taylor]: Taking taylor expansion of y in y 0.053 * [backup-simplify]: Simplify 0 into 0 0.053 * [backup-simplify]: Simplify 1 into 1 0.053 * [backup-simplify]: Simplify (/ 0.5 1) into 0.5 0.053 * [backup-simplify]: Simplify 0.5 into 0.5 0.053 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (* 0 y))) into 0 0.054 * [backup-simplify]: Simplify (- (/ 0 y) (+ (* (/ 0.5 y) (/ 0 y)))) into 0 0.054 * [taylor]: Taking taylor expansion of 0 in y 0.054 * [backup-simplify]: Simplify 0 into 0 0.054 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 0.5 (/ 0 1)))) into 0 0.054 * [backup-simplify]: Simplify 0 into 0 0.055 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (* 0 y)))) into 0 0.055 * [backup-simplify]: Simplify (- (/ 0 y) (+ (* (/ 0.5 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0 0.055 * [taylor]: Taking taylor expansion of 0 in y 0.055 * [backup-simplify]: Simplify 0 into 0 0.055 * [backup-simplify]: Simplify 0 into 0 0.056 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 0.5 (/ 0 1)) (* 0 (/ 0 1)))) into 0 0.056 * [backup-simplify]: Simplify 0 into 0 0.056 * [backup-simplify]: Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 y))))) into 0 0.057 * [backup-simplify]: Simplify (- (/ 0 y) (+ (* (/ 0.5 y) (/ 0 y)) (* 0 (/ 0 y)) (* 0 (/ 0 y)))) into 0 0.057 * [taylor]: Taking taylor expansion of 0 in y 0.057 * [backup-simplify]: Simplify 0 into 0 0.057 * [backup-simplify]: Simplify 0 into 0 0.057 * [backup-simplify]: Simplify 0 into 0 0.057 * [backup-simplify]: Simplify (- (/ 0 1) (+ (* 0.5 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0 0.057 * [backup-simplify]: Simplify 0 into 0 0.057 * [backup-simplify]: Simplify (* 0.5 (* (/ 1 (/ 1 (- y))) (/ 1 (/ 1 (- x))))) into (* 0.5 (* x y)) 0.057 * * * [progress]: simplifying candidates 0.061 * [simplify]: Simplifying: (- (+ (log x) (log y)) (log 2.0)) (- (log (* x y)) (log 2.0)) (log (/ (* x y) 2.0)) (exp (/ (* x y) 2.0)) (/ (* (* (* x x) x) (* (* y y) y)) (* (* 2.0 2.0) 2.0)) (/ (* (* (* x y) (* x y)) (* x y)) (* (* 2.0 2.0) 2.0)) (* (cbrt (/ (* x y) 2.0)) (cbrt (/ (* x y) 2.0))) (cbrt (/ (* x y) 2.0)) (* (* (/ (* x y) 2.0) (/ (* x y) 2.0)) (/ (* x y) 2.0)) (sqrt (/ (* x y) 2.0)) (sqrt (/ (* x y) 2.0)) (- (* x y)) (- 2.0) (/ x (* (cbrt 2.0) (cbrt 2.0))) (/ y (cbrt 2.0)) (/ x (sqrt 2.0)) (/ y (sqrt 2.0)) (/ x 1) (/ y 2.0) (/ 1 2.0) (/ 2.0 (* x y)) (/ (* x y) (* (cbrt 2.0) (cbrt 2.0))) (/ (* x y) (sqrt 2.0)) (/ (* x y) 1) (/ 2.0 y) (* 0.5 (* x y)) (* 0.5 (* x y)) (* 0.5 (* x y)) 0.061 * * [simplify]: Extracting # 0 : cost 0 0.061 * * [simplify]: Extracting # 1 : cost 0 0.061 * * [simplify]: Extracting # 2 : cost 0 0.061 * * [simplify]: Extracting # 3 : cost 0 0.061 * * [simplify]: Extracting # 4 : cost 0 0.061 * * [simplify]: Extracting # 5 : cost 0 0.062 * * [simplify]: Extracting # 6 : cost 0 0.062 * * [simplify]: iteration 0 : 50 enodes (cost 186 ) 0.073 * * [simplify]: Extracting # 0 : cost 0 0.073 * * [simplify]: Extracting # 1 : cost 0 0.074 * * [simplify]: Extracting # 2 : cost 0 0.074 * * [simplify]: iteration 1 : 115 enodes (cost 179 ) 0.105 * * [simplify]: Extracting # 0 : cost 0 0.106 * * [simplify]: Extracting # 1 : cost 0 0.106 * * [simplify]: Extracting # 2 : cost 0 0.107 * * [simplify]: Extracting # 3 : cost 0 0.107 * * [simplify]: Extracting # 4 : cost 0 0.107 * * [simplify]: iteration 2 : 403 enodes (cost 149 ) 0.438 * * [simplify]: Extracting # 0 : cost 0 0.440 * * [simplify]: Extracting # 1 : cost 0 0.442 * * [simplify]: Extracting # 2 : cost 0 0.444 * * [simplify]: Extracting # 3 : cost 0 0.446 * * [simplify]: Extracting # 4 : cost 0 0.447 * * [simplify]: iteration 3 : 1798 enodes (cost 149 ) 2.409 * * [simplify]: Extracting # 0 : cost 0 2.424 * * [simplify]: Extracting # 1 : cost 0 2.428 * * [simplify]: Extracting # 2 : cost 0 2.433 * * [simplify]: Extracting # 3 : cost 0 2.437 * * [simplify]: Extracting # 4 : cost 0 2.442 * * [simplify]: Extracting # 5 : cost 0 2.446 * * [simplify]: iteration done: 5000 enodes (cost 149 ) 2.446 * [simplify]: Simplified to: (log (/ (* x y) 2.0)) (log (/ (* x y) 2.0)) (log (/ (* x y) 2.0)) (exp (/ (* x y) 2.0)) (pow (/ (* x y) 2.0) 3) (pow (/ (* x y) 2.0) 3) (* (cbrt (/ (* x y) 2.0)) (cbrt (/ (* x y) 2.0))) (cbrt (/ (* x y) 2.0)) (pow (/ (* x y) 2.0) 3) (sqrt (/ (* x y) 2.0)) (sqrt (/ (* x y) 2.0)) (- (* x y)) (- 2.0) (/ x (* (cbrt 2.0) (cbrt 2.0))) (/ y (cbrt 2.0)) (/ x (sqrt 2.0)) (/ y (sqrt 2.0)) x (/ y 2.0) (/ 1 2.0) (/ 2.0 (* x y)) (/ (* x y) (* (cbrt 2.0) (cbrt 2.0))) (/ (* x y) (sqrt 2.0)) (* x y) (/ 2.0 y) (* 0.5 (* x y)) (* 0.5 (* x y)) (* 0.5 (* x y)) 2.446 * * * [progress]: adding candidates to table 2.480 * * [progress]: iteration 2 / 4 2.480 * * * [progress]: picking best candidate 2.481 * * * * [pick]: Picked # 2.481 * * * [progress]: localizing error 2.485 * * * [progress]: generating rewritten candidates 2.485 * * * [progress]: generating series expansions 2.485 * * * [progress]: simplifying candidates 2.485 * [simplify]: Simplifying: 2.485 * * [simplify]: Extracting # 0 : cost 0 2.485 * * [simplify]: iteration 0 : 0 enodes (cost 0 ) 2.485 * * [simplify]: Extracting # 0 : cost 0 2.485 * * [simplify]: iteration done: 0 enodes (cost 0 ) 2.485 * [simplify]: Simplified to: 2.485 * * * [progress]: adding candidates to table 2.485 * [progress]: [Phase 3 of 3] Extracting. 2.486 * [simplify]: Simplifying: (* x (/ y 2.0)) 2.486 * * [simplify]: Extracting # 0 : cost 0 2.486 * * [simplify]: Extracting # 1 : cost 0 2.487 * * [simplify]: Extracting # 2 : cost 0 2.487 * * [simplify]: Extracting # 3 : cost 0 2.487 * * [simplify]: Extracting # 4 : cost 0 2.487 * * [simplify]: iteration 0 : 5 enodes (cost 5 ) 2.487 * * [simplify]: Extracting # 0 : cost 0 2.487 * * [simplify]: iteration 1 : 6 enodes (cost 5 ) 2.487 * * [simplify]: Extracting # 0 : cost 0 2.487 * * [simplify]: iteration done: 6 enodes (cost 5 ) 2.487 * [simplify]: Simplified to: (* x (/ y 2.0)) 2.852 * [regime-testing]: End program error score: 0.0009556014739060788