1545733460.809 * [misc]progress:  [Phase 1 of 3] Setting up.
1545733460.810 * * * [misc]progress:  [1/2] Preparing points
1545733460.811 * * * * [misc]points:  Sampling 256 additional inputs, on iter 0 have 0 / 256
1545733460.896 * * * * [misc]points:  Filtering points with unrepresentable outputs
1545733460.896 * * * * [misc]points:  Sampling 199 additional inputs, on iter 1 have 57 / 256
1545733460.943 * * * * [misc]points:  Filtering points with unrepresentable outputs
1545733460.943 * * * * [misc]points:  Sampling 144 additional inputs, on iter 2 have 112 / 256
1545733460.955 * * * * [misc]points:  Filtering points with unrepresentable outputs
1545733460.955 * * * * [misc]points:  Sampling 112 additional inputs, on iter 3 have 144 / 256
1545733460.963 * * * * [misc]points:  Filtering points with unrepresentable outputs
1545733460.963 * * * * [misc]points:  Sampling 87 additional inputs, on iter 4 have 169 / 256
1545733460.970 * * * * [misc]points:  Filtering points with unrepresentable outputs
1545733460.970 * * * * [misc]points:  Sampling 63 additional inputs, on iter 5 have 193 / 256
1545733460.975 * * * * [misc]points:  Filtering points with unrepresentable outputs
1545733460.975 * * * * [misc]points:  Sampling 48 additional inputs, on iter 6 have 208 / 256
1545733460.979 * * * * [misc]points:  Filtering points with unrepresentable outputs
1545733460.979 * * * * [misc]points:  Sampling 41 additional inputs, on iter 7 have 215 / 256
1545733460.986 * * * * [misc]points:  Filtering points with unrepresentable outputs
1545733460.986 * * * * [misc]points:  Sampling 33 additional inputs, on iter 8 have 223 / 256
1545733460.992 * * * * [misc]points:  Filtering points with unrepresentable outputs
1545733460.992 * * * * [misc]points:  Sampling 26 additional inputs, on iter 9 have 230 / 256
1545733460.997 * * * * [misc]points:  Filtering points with unrepresentable outputs
1545733460.997 * * * * [misc]points:  Sampling 21 additional inputs, on iter 10 have 235 / 256
1545733461.001 * * * * [misc]points:  Filtering points with unrepresentable outputs
1545733461.001 * * * * [misc]points:  Sampling 14 additional inputs, on iter 11 have 242 / 256
1545733461.005 * * * * [misc]points:  Filtering points with unrepresentable outputs
1545733461.005 * * * * [misc]points:  Sampling 12 additional inputs, on iter 12 have 244 / 256
1545733461.008 * * * * [misc]points:  Filtering points with unrepresentable outputs
1545733461.008 * * * * [misc]points:  Sampling 8 additional inputs, on iter 13 have 248 / 256
1545733461.010 * * * * [misc]points:  Filtering points with unrepresentable outputs
1545733461.011 * * * * [misc]points:  Sampling 6 additional inputs, on iter 14 have 250 / 256
1545733461.013 * * * * [misc]points:  Filtering points with unrepresentable outputs
1545733461.013 * * * * [misc]points:  Sampling 4 additional inputs, on iter 15 have 252 / 256
1545733461.015 * * * * [misc]points:  Filtering points with unrepresentable outputs
1545733461.015 * * * * [misc]points:  Sampling 4 additional inputs, on iter 16 have 254 / 256
1545733461.017 * * * * [misc]points:  Filtering points with unrepresentable outputs
1545733461.017 * * * * [misc]points:  Sampling 4 additional inputs, on iter 17 have 255 / 256
1545733461.019 * * * * [misc]points:  Filtering points with unrepresentable outputs
1545733461.019 * * * * [exit]points:  Sampled 256 points with exact outputs
1545733461.020 * * * [misc]progress:  [2/2] Setting up program.
1545733461.026 * [misc]progress:  [Phase 2 of 3] Improving.
1545733461.029 * [enter]simplify:  Simplifying (* (sqrt (- x 1)) (sqrt x))
1545733461.031 * * [misc]simplify:  iters left: 5 (6 enodes)
1545733461.040 * * [misc]simplify:  iters left: 4 (12 enodes)
1545733461.043 * * [misc]simplify:  iters left: 3 (13 enodes)
1545733461.048 * [exit]simplify:  Simplified to (* (sqrt (+ x -1)) (sqrt x))
1545733461.062 * * [misc]progress:  iteration 1 / 4
1545733461.063 * * * [misc]progress:  picking best candidate
1545733461.096 * * * * [misc]pick:  Picked  #<alt (λ (x) (* (sqrt (+ x -1)) (sqrt x)))>
1545733461.096 * * * [misc]progress:  localizing error
1545733461.123 * * * [misc]progress:  generating rewritten candidates
1545733461.124 * * * * [misc]progress:  [ 1 / 1 ] rewriting at (2)
1545733461.138 * * * [misc]progress:  generating series expansions
1545733461.138 * * * * [misc]progress:  [ 1 / 1 ] generating series at (2)
1545733461.145 * [misc]backup-simplify:  Simplify (* (sqrt (+ x -1)) (sqrt x)) into (sqrt (* x (- x 1)))
1545733461.145 * [misc]approximate:  Taking taylor expansion of (sqrt (* x (- x 1))) in (x) around 0
1545733461.146 * [misc]taylor:  Taking taylor expansion of (sqrt (* x (- x 1))) in x
1545733461.146 * [misc]taylor:  Taking taylor expansion of (* x (- x 1)) in x
1545733461.146 * [misc]taylor:  Taking taylor expansion of x in x
1545733461.146 * [misc]backup-simplify:  Simplify 0 into 0
1545733461.146 * [misc]backup-simplify:  Simplify 1 into 1
1545733461.146 * [misc]taylor:  Taking taylor expansion of (- x 1) in x
1545733461.146 * [misc]taylor:  Taking taylor expansion of x in x
1545733461.147 * [misc]backup-simplify:  Simplify 0 into 0
1545733461.147 * [misc]backup-simplify:  Simplify 1 into 1
1545733461.147 * [misc]taylor:  Taking taylor expansion of 1 in x
1545733461.147 * [misc]backup-simplify:  Simplify 1 into 1
1545733461.148 * [misc]backup-simplify:  Simplify (- 1) into -1
1545733461.148 * [misc]backup-simplify:  Simplify (+ 0 -1) into -1
1545733461.148 * [misc]backup-simplify:  Simplify (* 0 -1) into 0
1545733461.148 * [misc]backup-simplify:  Simplify (- 0) into 0
1545733461.149 * [misc]backup-simplify:  Simplify (+ 1 0) into 1
1545733461.149 * [misc]backup-simplify:  Simplify (+ (* 0 1) (* 1 -1)) into -1
1545733461.149 * [misc]backup-simplify:  Simplify (sqrt 0) into 0
1545733461.150 * [misc]backup-simplify:  Simplify (/ -1 (* 2 (sqrt 0))) into +nan.0
1545733461.150 * [misc]taylor:  Taking taylor expansion of (sqrt (* x (- x 1))) in x
1545733461.150 * [misc]taylor:  Taking taylor expansion of (* x (- x 1)) in x
1545733461.150 * [misc]taylor:  Taking taylor expansion of x in x
1545733461.150 * [misc]backup-simplify:  Simplify 0 into 0
1545733461.150 * [misc]backup-simplify:  Simplify 1 into 1
1545733461.150 * [misc]taylor:  Taking taylor expansion of (- x 1) in x
1545733461.150 * [misc]taylor:  Taking taylor expansion of x in x
1545733461.150 * [misc]backup-simplify:  Simplify 0 into 0
1545733461.150 * [misc]backup-simplify:  Simplify 1 into 1
1545733461.150 * [misc]taylor:  Taking taylor expansion of 1 in x
1545733461.150 * [misc]backup-simplify:  Simplify 1 into 1
1545733461.150 * [misc]backup-simplify:  Simplify (- 1) into -1
1545733461.150 * [misc]backup-simplify:  Simplify (+ 0 -1) into -1
1545733461.150 * [misc]backup-simplify:  Simplify (* 0 -1) into 0
1545733461.151 * [misc]backup-simplify:  Simplify (- 0) into 0
1545733461.151 * [misc]backup-simplify:  Simplify (+ 1 0) into 1
1545733461.151 * [misc]backup-simplify:  Simplify (+ (* 0 1) (* 1 -1)) into -1
1545733461.151 * [misc]backup-simplify:  Simplify (sqrt 0) into 0
1545733461.152 * [misc]backup-simplify:  Simplify (/ -1 (* 2 (sqrt 0))) into +nan.0
1545733461.152 * [misc]backup-simplify:  Simplify 0 into 0
1545733461.152 * [misc]backup-simplify:  Simplify +nan.0 into +nan.0
1545733461.153 * [misc]backup-simplify:  Simplify (- 0) into 0
1545733461.153 * [misc]backup-simplify:  Simplify (+ 0 0) into 0
1545733461.154 * [misc]backup-simplify:  Simplify (+ (* 0 0) (+ (* 1 1) (* 0 -1))) into 1
1545733461.156 * [misc]backup-simplify:  Simplify (/ (- 1 (pow +nan.0 2) (+)) (* 2 0)) into +nan.0
1545733461.156 * [misc]backup-simplify:  Simplify +nan.0 into +nan.0
1545733461.156 * [misc]backup-simplify:  Simplify (- 0) into 0
1545733461.156 * [misc]backup-simplify:  Simplify (+ 0 0) into 0
1545733461.157 * [misc]backup-simplify:  Simplify (+ (* 0 0) (+ (* 1 0) (+ (* 0 1) (* 0 -1)))) into 0
1545733461.158 * [misc]backup-simplify:  Simplify (/ (- 0 (+ (* 2 (* +nan.0 +nan.0)))) (* 2 0)) into +nan.0
1545733461.158 * [misc]backup-simplify:  Simplify +nan.0 into +nan.0
1545733461.159 * [misc]backup-simplify:  Simplify (+ (* +nan.0 (pow x 3)) (+ (* +nan.0 (pow x 2)) (* +nan.0 x))) into (- (+ (* +nan.0 x) (- (+ (* +nan.0 (pow x 3)) (- (* +nan.0 (pow x 2)))))))
1545733461.160 * [misc]backup-simplify:  Simplify (* (sqrt (+ (/ 1 x) -1)) (sqrt (/ 1 x))) into (sqrt (/ (- (/ 1 x) 1) x))
1545733461.160 * [misc]approximate:  Taking taylor expansion of (sqrt (/ (- (/ 1 x) 1) x)) in (x) around 0
1545733461.160 * [misc]taylor:  Taking taylor expansion of (sqrt (/ (- (/ 1 x) 1) x)) in x
1545733461.160 * [misc]taylor:  Taking taylor expansion of (/ (- (/ 1 x) 1) x) in x
1545733461.160 * [misc]taylor:  Taking taylor expansion of (- (/ 1 x) 1) in x
1545733461.160 * [misc]taylor:  Taking taylor expansion of (/ 1 x) in x
1545733461.160 * [misc]taylor:  Taking taylor expansion of x in x
1545733461.160 * [misc]backup-simplify:  Simplify 0 into 0
1545733461.160 * [misc]backup-simplify:  Simplify 1 into 1
1545733461.160 * [misc]backup-simplify:  Simplify (/ 1 1) into 1
1545733461.160 * [misc]taylor:  Taking taylor expansion of 1 in x
1545733461.160 * [misc]backup-simplify:  Simplify 1 into 1
1545733461.160 * [misc]taylor:  Taking taylor expansion of x in x
1545733461.161 * [misc]backup-simplify:  Simplify 0 into 0
1545733461.161 * [misc]backup-simplify:  Simplify 1 into 1
1545733461.161 * [misc]backup-simplify:  Simplify (+ 1 0) into 1
1545733461.161 * [misc]backup-simplify:  Simplify (/ 1 1) into 1
1545733461.161 * [misc]backup-simplify:  Simplify (sqrt 1) into 1
1545733461.162 * [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
1545733461.162 * [misc]backup-simplify:  Simplify (- 1) into -1
1545733461.162 * [misc]backup-simplify:  Simplify (+ 0 -1) into -1
1545733461.162 * [misc]backup-simplify:  Simplify (- (/ -1 1) (+ (* 1 (/ 0 1)))) into -1
1545733461.163 * [misc]backup-simplify:  Simplify (/ -1 (* 2 (sqrt 1))) into -1/2
1545733461.163 * [misc]taylor:  Taking taylor expansion of (sqrt (/ (- (/ 1 x) 1) x)) in x
1545733461.163 * [misc]taylor:  Taking taylor expansion of (/ (- (/ 1 x) 1) x) in x
1545733461.163 * [misc]taylor:  Taking taylor expansion of (- (/ 1 x) 1) in x
1545733461.163 * [misc]taylor:  Taking taylor expansion of (/ 1 x) in x
1545733461.163 * [misc]taylor:  Taking taylor expansion of x in x
1545733461.163 * [misc]backup-simplify:  Simplify 0 into 0
1545733461.163 * [misc]backup-simplify:  Simplify 1 into 1
1545733461.163 * [misc]backup-simplify:  Simplify (/ 1 1) into 1
1545733461.163 * [misc]taylor:  Taking taylor expansion of 1 in x
1545733461.163 * [misc]backup-simplify:  Simplify 1 into 1
1545733461.163 * [misc]taylor:  Taking taylor expansion of x in x
1545733461.163 * [misc]backup-simplify:  Simplify 0 into 0
1545733461.163 * [misc]backup-simplify:  Simplify 1 into 1
1545733461.163 * [misc]backup-simplify:  Simplify (+ 1 0) into 1
1545733461.163 * [misc]backup-simplify:  Simplify (/ 1 1) into 1
1545733461.164 * [misc]backup-simplify:  Simplify (sqrt 1) into 1
1545733461.164 * [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
1545733461.164 * [misc]backup-simplify:  Simplify (- 1) into -1
1545733461.164 * [misc]backup-simplify:  Simplify (+ 0 -1) into -1
1545733461.164 * [misc]backup-simplify:  Simplify (- (/ -1 1) (+ (* 1 (/ 0 1)))) into -1
1545733461.165 * [misc]backup-simplify:  Simplify (/ -1 (* 2 (sqrt 1))) into -1/2
1545733461.165 * [misc]backup-simplify:  Simplify 1 into 1
1545733461.165 * [misc]backup-simplify:  Simplify -1/2 into -1/2
1545733461.165 * [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
1545733461.165 * [misc]backup-simplify:  Simplify (- 0) into 0
1545733461.165 * [misc]backup-simplify:  Simplify (+ 0 0) into 0
1545733461.166 * [misc]backup-simplify:  Simplify (- (/ 0 1) (+ (* 1 (/ 0 1)) (* -1 (/ 0 1)))) into 0
1545733461.167 * [misc]backup-simplify:  Simplify (/ (- 0 (pow -1/2 2) (+)) (* 2 1)) into -1/8
1545733461.167 * [misc]backup-simplify:  Simplify -1/8 into -1/8
1545733461.167 * [misc]backup-simplify:  Simplify (+ (* -1/8 (/ 1 x)) (+ -1/2 (* 1 (/ 1 (/ 1 x))))) into (- x (+ (* 1/8 (/ 1 x)) 1/2))
1545733461.167 * [misc]backup-simplify:  Simplify (* (sqrt (+ (/ 1 (- x)) -1)) (sqrt (/ 1 (- x)))) into (* (sqrt (- (+ (/ 1 x) 1))) (sqrt (/ -1 x)))
1545733461.167 * [misc]approximate:  Taking taylor expansion of (* (sqrt (- (+ (/ 1 x) 1))) (sqrt (/ -1 x))) in (x) around 0
1545733461.167 * [misc]taylor:  Taking taylor expansion of (* (sqrt (- (+ (/ 1 x) 1))) (sqrt (/ -1 x))) in x
1545733461.167 * [misc]taylor:  Taking taylor expansion of (sqrt (- (+ (/ 1 x) 1))) in x
1545733461.168 * [misc]taylor:  Taking taylor expansion of (- (+ (/ 1 x) 1)) in x
1545733461.168 * [misc]taylor:  Taking taylor expansion of (+ (/ 1 x) 1) in x
1545733461.168 * [misc]taylor:  Taking taylor expansion of (/ 1 x) in x
1545733461.168 * [misc]taylor:  Taking taylor expansion of x in x
1545733461.168 * [misc]backup-simplify:  Simplify 0 into 0
1545733461.168 * [misc]backup-simplify:  Simplify 1 into 1
1545733461.168 * [misc]backup-simplify:  Simplify (/ 1 1) into 1
1545733461.168 * [misc]taylor:  Taking taylor expansion of 1 in x
1545733461.168 * [misc]backup-simplify:  Simplify 1 into 1
1545733461.168 * [misc]backup-simplify:  Simplify (+ 1 0) into 1
1545733461.168 * [misc]backup-simplify:  Simplify (- 1) into -1
1545733461.168 * [misc]backup-simplify:  Simplify (sqrt 0) into 0
1545733461.169 * [misc]backup-simplify:  Simplify (- 1) into -1
1545733461.169 * [misc]backup-simplify:  Simplify (/ -1 (* 2 (sqrt 0))) into +nan.0
1545733461.169 * [misc]taylor:  Taking taylor expansion of (sqrt (/ -1 x)) in x
1545733461.169 * [misc]taylor:  Taking taylor expansion of (/ -1 x) in x
1545733461.169 * [misc]taylor:  Taking taylor expansion of -1 in x
1545733461.169 * [misc]backup-simplify:  Simplify -1 into -1
1545733461.169 * [misc]taylor:  Taking taylor expansion of x in x
1545733461.169 * [misc]backup-simplify:  Simplify 0 into 0
1545733461.169 * [misc]backup-simplify:  Simplify 1 into 1
1545733461.169 * [misc]backup-simplify:  Simplify (/ -1 1) into -1
1545733461.169 * [misc]backup-simplify:  Simplify (sqrt 0) into 0
1545733461.170 * [misc]backup-simplify:  Simplify (/ -1 (* 2 (sqrt 0))) into +nan.0
1545733461.170 * [misc]taylor:  Taking taylor expansion of (* (sqrt (- (+ (/ 1 x) 1))) (sqrt (/ -1 x))) in x
1545733461.170 * [misc]taylor:  Taking taylor expansion of (sqrt (- (+ (/ 1 x) 1))) in x
1545733461.170 * [misc]taylor:  Taking taylor expansion of (- (+ (/ 1 x) 1)) in x
1545733461.170 * [misc]taylor:  Taking taylor expansion of (+ (/ 1 x) 1) in x
1545733461.170 * [misc]taylor:  Taking taylor expansion of (/ 1 x) in x
1545733461.170 * [misc]taylor:  Taking taylor expansion of x in x
1545733461.170 * [misc]backup-simplify:  Simplify 0 into 0
1545733461.170 * [misc]backup-simplify:  Simplify 1 into 1
1545733461.170 * [misc]backup-simplify:  Simplify (/ 1 1) into 1
1545733461.170 * [misc]taylor:  Taking taylor expansion of 1 in x
1545733461.170 * [misc]backup-simplify:  Simplify 1 into 1
1545733461.171 * [misc]backup-simplify:  Simplify (+ 1 0) into 1
1545733461.171 * [misc]backup-simplify:  Simplify (- 1) into -1
1545733461.171 * [misc]backup-simplify:  Simplify (sqrt 0) into 0
1545733461.171 * [misc]backup-simplify:  Simplify (- 1) into -1
1545733461.171 * [misc]backup-simplify:  Simplify (/ -1 (* 2 (sqrt 0))) into +nan.0
1545733461.171 * [misc]taylor:  Taking taylor expansion of (sqrt (/ -1 x)) in x
1545733461.172 * [misc]taylor:  Taking taylor expansion of (/ -1 x) in x
1545733461.172 * [misc]taylor:  Taking taylor expansion of -1 in x
1545733461.172 * [misc]backup-simplify:  Simplify -1 into -1
1545733461.172 * [misc]taylor:  Taking taylor expansion of x in x
1545733461.172 * [misc]backup-simplify:  Simplify 0 into 0
1545733461.172 * [misc]backup-simplify:  Simplify 1 into 1
1545733461.172 * [misc]backup-simplify:  Simplify (/ -1 1) into -1
1545733461.172 * [misc]backup-simplify:  Simplify (sqrt 0) into 0
1545733461.172 * [misc]backup-simplify:  Simplify (/ -1 (* 2 (sqrt 0))) into +nan.0
1545733461.173 * [misc]backup-simplify:  Simplify (* 0 0) into 0
1545733461.173 * [misc]backup-simplify:  Simplify 0 into 0
1545733461.173 * [misc]backup-simplify:  Simplify (+ (* 0 +nan.0) (* +nan.0 0)) into 0
1545733461.173 * [misc]backup-simplify:  Simplify 0 into 0
1545733461.173 * [misc]backup-simplify:  Simplify (- (/ 0 1) (+ (* -1 (/ 0 1)))) into 0
1545733461.174 * [misc]backup-simplify:  Simplify (/ (- 0 (pow +nan.0 2) (+)) (* 2 0)) into +nan.0
1545733461.175 * [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)))) into 0
1545733461.175 * [misc]backup-simplify:  Simplify (+ 0 1) into 1
1545733461.175 * [misc]backup-simplify:  Simplify (- 1) into -1
1545733461.176 * [misc]backup-simplify:  Simplify (/ (- -1 (pow +nan.0 2) (+)) (* 2 0)) into +nan.0
1545733461.177 * [misc]backup-simplify:  Simplify (+ (* 0 +nan.0) (+ (* +nan.0 +nan.0) (* +nan.0 0))) into (- +nan.0)
1545733461.177 * [misc]backup-simplify:  Simplify (- +nan.0) into (- +nan.0)
1545733461.177 * [misc]backup-simplify:  Simplify (- (/ 0 1) (+ (* -1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
1545733461.178 * [misc]backup-simplify:  Simplify (/ (- 0 (+ (* 2 (* +nan.0 +nan.0)))) (* 2 0)) into +nan.0
1545733461.179 * [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0
1545733461.179 * [misc]backup-simplify:  Simplify (+ 0 0) into 0
1545733461.179 * [misc]backup-simplify:  Simplify (- 0) into 0
1545733461.180 * [misc]backup-simplify:  Simplify (/ (- 0 (+ (* 2 (* +nan.0 +nan.0)))) (* 2 0)) into +nan.0
1545733461.181 * [misc]backup-simplify:  Simplify (+ (* 0 +nan.0) (+ (* +nan.0 +nan.0) (+ (* +nan.0 +nan.0) (* +nan.0 0)))) into (- +nan.0)
1545733461.182 * [misc]backup-simplify:  Simplify (- +nan.0) into (- +nan.0)
1545733461.182 * [misc]backup-simplify:  Simplify (- (/ 0 1) (+ (* -1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
1545733461.184 * [misc]backup-simplify:  Simplify (/ (- 0 (pow +nan.0 2) (+ (* 2 (* +nan.0 +nan.0)))) (* 2 0)) into +nan.0
1545733461.184 * [misc]backup-simplify:  Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0
1545733461.184 * [misc]backup-simplify:  Simplify (+ 0 0) into 0
1545733461.184 * [misc]backup-simplify:  Simplify (- 0) into 0
1545733461.186 * [misc]backup-simplify:  Simplify (/ (- 0 (pow +nan.0 2) (+ (* 2 (* +nan.0 +nan.0)))) (* 2 0)) into +nan.0
1545733461.188 * [misc]backup-simplify:  Simplify (+ (* 0 +nan.0) (+ (* +nan.0 +nan.0) (+ (* +nan.0 +nan.0) (+ (* +nan.0 +nan.0) (* +nan.0 0))))) into (- +nan.0)
1545733461.188 * [misc]backup-simplify:  Simplify (- +nan.0) into (- +nan.0)
1545733461.189 * [misc]backup-simplify:  Simplify (+ (* (- +nan.0) (pow (/ 1 (- x)) 2)) (+ (* (- +nan.0) (/ 1 (- x))) (- +nan.0))) into (- (+ (* +nan.0 (/ 1 (pow x 2))) (- (+ (* +nan.0 (/ 1 x)) (- +nan.0)))))
1545733461.189 * * * [misc]progress:  simplifying candidates
1545733461.189 * * * * [misc]progress:  [ 1 / 29 ] simplifiying candidate #<alt (λ (x) (log1p (expm1 (* (sqrt (+ x -1)) (sqrt x)))))>
1545733461.189 * * * * [misc]progress:  [ 2 / 29 ] simplifiying candidate #<alt (λ (x) (expm1 (log1p (* (sqrt (+ x -1)) (sqrt x)))))>
1545733461.189 * * * * [misc]progress:  [ 3 / 29 ] simplifiying candidate #<alt (λ (x) (pow (* (+ x -1) x) 1/2))>
1545733461.190 * [enter]simplify:  Simplifying (* (+ x -1) x)
1545733461.190 * * [misc]simplify:  iters left: 4 (4 enodes)
1545733461.191 * * [misc]simplify:  iters left: 3 (6 enodes)
1545733461.193 * * [misc]simplify:  iters left: 2 (13 enodes)
1545733461.199 * * [misc]simplify:  iters left: 1 (18 enodes)
1545733461.204 * [exit]simplify:  Simplified to (- (* x x) x)
1545733461.204 * [misc]simplify:  Simplified (2 1) to (λ (x) (pow (- (* x x) x) 1/2))
1545733461.204 * * * * [misc]progress:  [ 4 / 29 ] simplifiying candidate #<alt (λ (x) (pow (* (sqrt (+ x -1)) (sqrt x)) 1))>
1545733461.204 * [enter]simplify:  Simplifying (* (sqrt (+ x -1)) (sqrt x))
1545733461.205 * * [misc]simplify:  iters left: 5 (6 enodes)
1545733461.207 * * [misc]simplify:  iters left: 4 (8 enodes)
1545733461.209 * [exit]simplify:  Simplified to (* (sqrt (+ -1 x)) (sqrt x))
1545733461.209 * [misc]simplify:  Simplified (2 1) to (λ (x) (pow (* (sqrt (+ -1 x)) (sqrt x)) 1))
1545733461.209 * * * * [misc]progress:  [ 5 / 29 ] simplifiying candidate #<alt (λ (x) (pow (* (sqrt (+ x -1)) (sqrt x)) 1))>
1545733461.209 * * * * [misc]progress:  [ 6 / 29 ] simplifiying candidate #<alt (λ (x) (exp (+ (log (sqrt (+ x -1))) (log (sqrt x)))))>
1545733461.210 * [enter]simplify:  Simplifying (+ (log (sqrt (+ x -1))) (log (sqrt x)))
1545733461.210 * * [misc]simplify:  iters left: 6 (8 enodes)
1545733461.213 * * [misc]simplify:  iters left: 5 (10 enodes)
1545733461.215 * [exit]simplify:  Simplified to (+ (log (sqrt x)) (log (sqrt (+ -1 x))))
1545733461.216 * [misc]simplify:  Simplified (2 1) to (λ (x) (exp (+ (log (sqrt x)) (log (sqrt (+ -1 x))))))
1545733461.216 * * * * [misc]progress:  [ 7 / 29 ] simplifiying candidate #<alt (λ (x) (exp (log (* (sqrt (+ x -1)) (sqrt x)))))>
1545733461.216 * * * * [misc]progress:  [ 8 / 29 ] simplifiying candidate #<alt (λ (x) (log (exp (* (sqrt (+ x -1)) (sqrt x)))))>
1545733461.216 * * * * [misc]progress:  [ 9 / 29 ] simplifiying candidate #<alt (λ (x) (cbrt (* (* (* (sqrt (+ x -1)) (sqrt (+ x -1))) (sqrt (+ x -1))) (* (* (sqrt x) (sqrt x)) (sqrt x)))))>
1545733461.216 * [enter]simplify:  Simplifying (* (* (* (sqrt (+ x -1)) (sqrt (+ x -1))) (sqrt (+ x -1))) (* (* (sqrt x) (sqrt x)) (sqrt x)))
1545733461.216 * * [misc]simplify:  iters left: 6 (10 enodes)
1545733461.220 * * [misc]simplify:  iters left: 5 (18 enodes)
1545733461.227 * * [misc]simplify:  iters left: 4 (52 enodes)
1545733461.244 * * [misc]simplify:  iters left: 3 (160 enodes)
1545733461.665 * * [misc]simplify:  iters left: 2 (446 enodes)
1545733462.016 * [exit]simplify:  Simplified to (* (+ -1 x) (* (* x (sqrt x)) (sqrt (+ -1 x))))
1545733462.016 * [misc]simplify:  Simplified (2 1) to (λ (x) (cbrt (* (+ -1 x) (* (* x (sqrt x)) (sqrt (+ -1 x))))))
1545733462.016 * * * * [misc]progress:  [ 10 / 29 ] simplifiying candidate #<alt (λ (x) (* (* (cbrt (* (sqrt (+ x -1)) (sqrt x))) (cbrt (* (sqrt (+ x -1)) (sqrt x)))) (cbrt (* (sqrt (+ x -1)) (sqrt x)))))>
1545733462.016 * * * * [misc]progress:  [ 11 / 29 ] simplifiying candidate #<alt (λ (x) (cbrt (* (* (* (sqrt (+ x -1)) (sqrt x)) (* (sqrt (+ x -1)) (sqrt x))) (* (sqrt (+ x -1)) (sqrt x)))))>
1545733462.016 * * * * [misc]progress:  [ 12 / 29 ] simplifiying candidate #<alt (λ (x) (sqrt (* (+ x -1) x)))>
1545733462.017 * [enter]simplify:  Simplifying (* (+ x -1) x)
1545733462.017 * * [misc]simplify:  iters left: 4 (4 enodes)
1545733462.019 * * [misc]simplify:  iters left: 3 (6 enodes)
1545733462.021 * * [misc]simplify:  iters left: 2 (13 enodes)
1545733462.025 * * [misc]simplify:  iters left: 1 (18 enodes)
1545733462.029 * [exit]simplify:  Simplified to (- (* x x) x)
1545733462.030 * [misc]simplify:  Simplified (2 1) to (λ (x) (sqrt (- (* x x) x)))
1545733462.030 * * * * [misc]progress:  [ 13 / 29 ] simplifiying candidate #<alt (λ (x) (* (sqrt (* (sqrt (+ x -1)) (sqrt x))) (sqrt (* (sqrt (+ x -1)) (sqrt x)))))>
1545733462.030 * * * * [misc]progress:  [ 14 / 29 ] simplifiying candidate #<alt (λ (x) (* 1 (* (sqrt (+ x -1)) (sqrt x))))>
1545733462.030 * * * * [misc]progress:  [ 15 / 29 ] simplifiying candidate #<alt (λ (x) (* (* (sqrt (+ x -1)) (* (cbrt (sqrt x)) (cbrt (sqrt x)))) (cbrt (sqrt x))))>
1545733462.030 * [enter]simplify:  Simplifying (cbrt (sqrt x))
1545733462.030 * * [misc]simplify:  iters left: 2 (3 enodes)
1545733462.031 * [exit]simplify:  Simplified to (cbrt (sqrt x))
1545733462.031 * [misc]simplify:  Simplified (2 2) to (λ (x) (* (* (sqrt (+ x -1)) (* (cbrt (sqrt x)) (cbrt (sqrt x)))) (cbrt (sqrt x))))
1545733462.031 * * * * [misc]progress:  [ 16 / 29 ] simplifiying candidate #<alt (λ (x) (* (* (sqrt (+ x -1)) (sqrt (sqrt x))) (sqrt (sqrt x))))>
1545733462.031 * [enter]simplify:  Simplifying (sqrt (sqrt x))
1545733462.031 * * [misc]simplify:  iters left: 2 (3 enodes)
1545733462.032 * [exit]simplify:  Simplified to (sqrt (sqrt x))
1545733462.032 * [misc]simplify:  Simplified (2 2) to (λ (x) (* (* (sqrt (+ x -1)) (sqrt (sqrt x))) (sqrt (sqrt x))))
1545733462.033 * * * * [misc]progress:  [ 17 / 29 ] simplifiying candidate #<alt (λ (x) (* (* (sqrt (+ x -1)) 1) (sqrt x)))>
1545733462.033 * [enter]simplify:  Simplifying (sqrt x)
1545733462.033 * * [misc]simplify:  iters left: 1 (2 enodes)
1545733462.033 * [exit]simplify:  Simplified to (sqrt x)
1545733462.034 * [misc]simplify:  Simplified (2 2) to (λ (x) (* (* (sqrt (+ x -1)) 1) (sqrt x)))
1545733462.034 * * * * [misc]progress:  [ 18 / 29 ] simplifiying candidate #<alt (λ (x) (* (* (cbrt (sqrt (+ x -1))) (cbrt (sqrt (+ x -1)))) (* (cbrt (sqrt (+ x -1))) (sqrt x))))>
1545733462.034 * [enter]simplify:  Simplifying (* (cbrt (sqrt (+ x -1))) (cbrt (sqrt (+ x -1))))
1545733462.034 * * [misc]simplify:  iters left: 6 (6 enodes)
1545733462.036 * * [misc]simplify:  iters left: 5 (7 enodes)
1545733462.038 * [exit]simplify:  Simplified to (* (cbrt (sqrt (+ -1 x))) (cbrt (sqrt (+ -1 x))))
1545733462.038 * [misc]simplify:  Simplified (2 1) to (λ (x) (* (* (cbrt (sqrt (+ -1 x))) (cbrt (sqrt (+ -1 x)))) (* (cbrt (sqrt (+ x -1))) (sqrt x))))
1545733462.038 * * * * [misc]progress:  [ 19 / 29 ] simplifiying candidate #<alt (λ (x) (* (sqrt (* (cbrt (+ x -1)) (cbrt (+ x -1)))) (* (sqrt (cbrt (+ x -1))) (sqrt x))))>
1545733462.039 * [enter]simplify:  Simplifying (sqrt (* (cbrt (+ x -1)) (cbrt (+ x -1))))
1545733462.039 * * [misc]simplify:  iters left: 6 (6 enodes)
1545733462.041 * * [misc]simplify:  iters left: 5 (8 enodes)
1545733462.043 * [exit]simplify:  Simplified to (fabs (cbrt (+ -1 x)))
1545733462.043 * [misc]simplify:  Simplified (2 1) to (λ (x) (* (fabs (cbrt (+ -1 x))) (* (sqrt (cbrt (+ x -1))) (sqrt x))))
1545733462.043 * * * * [misc]progress:  [ 20 / 29 ] simplifiying candidate #<alt (λ (x) (* (sqrt (sqrt (+ x -1))) (* (sqrt (sqrt (+ x -1))) (sqrt x))))>
1545733462.043 * [enter]simplify:  Simplifying (sqrt (sqrt (+ x -1)))
1545733462.044 * * [misc]simplify:  iters left: 4 (5 enodes)
1545733462.045 * * [misc]simplify:  iters left: 3 (6 enodes)
1545733462.047 * [exit]simplify:  Simplified to (sqrt (sqrt (+ -1 x)))
1545733462.047 * [misc]simplify:  Simplified (2 1) to (λ (x) (* (sqrt (sqrt (+ -1 x))) (* (sqrt (sqrt (+ x -1))) (sqrt x))))
1545733462.047 * * * * [misc]progress:  [ 21 / 29 ] simplifiying candidate #<alt (λ (x) (* (sqrt 1) (* (sqrt (+ x -1)) (sqrt x))))>
1545733462.047 * [enter]simplify:  Simplifying (sqrt 1)
1545733462.047 * * [misc]simplify:  iters left: 1 (2 enodes)
1545733462.049 * [exit]simplify:  Simplified to 1
1545733462.049 * [misc]simplify:  Simplified (2 1) to (λ (x) (* 1 (* (sqrt (+ x -1)) (sqrt x))))
1545733462.049 * * * * [misc]progress:  [ 22 / 29 ] simplifiying candidate #<alt (λ (x) (* (sqrt (sqrt (+ x -1))) (* (sqrt (sqrt (+ x -1))) (sqrt x))))>
1545733462.049 * [enter]simplify:  Simplifying (sqrt (sqrt (+ x -1)))
1545733462.049 * * [misc]simplify:  iters left: 4 (5 enodes)
1545733462.051 * * [misc]simplify:  iters left: 3 (6 enodes)
1545733462.053 * [exit]simplify:  Simplified to (sqrt (sqrt (+ -1 x)))
1545733462.053 * [misc]simplify:  Simplified (2 1) to (λ (x) (* (sqrt (sqrt (+ -1 x))) (* (sqrt (sqrt (+ x -1))) (sqrt x))))
1545733462.053 * * * * [misc]progress:  [ 23 / 29 ] simplifiying candidate #<alt (λ (x) (* 1 (* (sqrt (+ x -1)) (sqrt x))))>
1545733462.053 * * * * [misc]progress:  [ 24 / 29 ] simplifiying candidate #<alt (λ (x) (/ (* (sqrt (+ (pow x 3) (pow -1 3))) (sqrt x)) (sqrt (+ (* x x) (- (* -1 -1) (* x -1))))))>
1545733462.053 * [enter]simplify:  Simplifying (* (sqrt (+ (pow x 3) (pow -1 3))) (sqrt x))
1545733462.054 * * [misc]simplify:  iters left: 6 (9 enodes)
1545733462.058 * * [misc]simplify:  iters left: 5 (18 enodes)
1545733462.061 * * [misc]simplify:  iters left: 4 (22 enodes)
1545733462.064 * [exit]simplify:  Simplified to (* (sqrt x) (sqrt (fma (* x x) x -1)))
1545733462.064 * [misc]simplify:  Simplified (2 1) to (λ (x) (/ (* (sqrt x) (sqrt (fma (* x x) x -1))) (sqrt (+ (* x x) (- (* -1 -1) (* x -1))))))
1545733462.064 * * * * [misc]progress:  [ 25 / 29 ] simplifiying candidate #<alt (λ (x) (/ (* (sqrt (- (* x x) (* -1 -1))) (sqrt x)) (sqrt (- x -1))))>
1545733462.064 * [enter]simplify:  Simplifying (* (sqrt (- (* x x) (* -1 -1))) (sqrt x))
1545733462.064 * * [misc]simplify:  iters left: 6 (8 enodes)
1545733462.066 * * [misc]simplify:  iters left: 5 (17 enodes)
1545733462.069 * * [misc]simplify:  iters left: 4 (26 enodes)
1545733462.073 * * [misc]simplify:  iters left: 3 (42 enodes)
1545733462.085 * * [misc]simplify:  iters left: 2 (72 enodes)
1545733462.128 * * [misc]simplify:  iters left: 1 (134 enodes)
1545733462.203 * [exit]simplify:  Simplified to (* (sqrt (fma x x -1)) (sqrt x))
1545733462.204 * [misc]simplify:  Simplified (2 1) to (λ (x) (/ (* (sqrt (fma x x -1)) (sqrt x)) (sqrt (- x -1))))
1545733462.204 * * * * [misc]progress:  [ 26 / 29 ] simplifiying candidate #<alt (λ (x) (* (sqrt x) (sqrt (+ x -1))))>
1545733462.204 * * * * [misc]progress:  [ 27 / 29 ] simplifiying candidate #<alt (λ (x) (- (+ (* +nan.0 x) (- (+ (* +nan.0 (pow x 3)) (- (* +nan.0 (pow x 2))))))))>
1545733462.204 * [enter]simplify:  Simplifying (- (+ (* +nan.0 x) (- (+ (* +nan.0 (pow x 3)) (- (* +nan.0 (pow x 2)))))))
1545733462.204 * [misc]simplify:  Simplified (2) to (λ (x) +nan.0)
1545733462.204 * * * * [misc]progress:  [ 28 / 29 ] simplifiying candidate #<alt (λ (x) (- x (+ (* 1/8 (/ 1 x)) 1/2)))>
1545733462.204 * [enter]simplify:  Simplifying (- x (+ (* 1/8 (/ 1 x)) 1/2))
1545733462.204 * * [misc]simplify:  iters left: 6 (8 enodes)
1545733462.208 * * [misc]simplify:  iters left: 5 (19 enodes)
1545733462.215 * * [misc]simplify:  iters left: 4 (31 enodes)
1545733462.227 * * [misc]simplify:  iters left: 3 (58 enodes)
1545733462.252 * * [misc]simplify:  iters left: 2 (97 enodes)
1545733462.267 * * [misc]simplify:  iters left: 1 (126 enodes)
1545733462.303 * [exit]simplify:  Simplified to (- (/ -1/8 x) (- 1/2 x))
1545733462.303 * [misc]simplify:  Simplified (2) to (λ (x) (- (/ -1/8 x) (- 1/2 x)))
1545733462.303 * * * * [misc]progress:  [ 29 / 29 ] simplifiying candidate #<alt (λ (x) (- (+ (* +nan.0 (/ 1 (pow x 2))) (- (+ (* +nan.0 (/ 1 x)) (- +nan.0))))))>
1545733462.304 * [enter]simplify:  Simplifying (- (+ (* +nan.0 (/ 1 (pow x 2))) (- (+ (* +nan.0 (/ 1 x)) (- +nan.0)))))
1545733462.304 * [misc]simplify:  Simplified (2) to (λ (x) +nan.0)
1545733462.304 * * * [misc]progress:  adding candidates to table
1545733462.589 * * [misc]progress:  iteration 2 / 4
1545733462.589 * * * [misc]progress:  picking best candidate
1545733462.593 * * * * [misc]pick:  Picked  #<alt (λ (x) (- (/ -1/8 x) (- 1/2 x)))>
1545733462.593 * * * [misc]progress:  localizing error
1545733462.604 * * * [misc]progress:  generating rewritten candidates
1545733462.604 * * * [misc]progress:  generating series expansions
1545733462.604 * * * [misc]progress:  simplifying candidates
1545733462.604 * * * [misc]progress:  adding candidates to table
1545733462.604 * [misc]progress:  [Phase 3 of 3] Extracting.
1545733462.604 * * [misc]regime:  Finding splitpoints for: (#<alt (λ (x) (- (/ -1/8 x) (- 1/2 x)))> #<alt (λ (x) (* (sqrt (+ x -1)) (sqrt x)))>)
1545733462.605 * * * [misc]regime-changes:  Trying 1 branch expressions: (x)
1545733462.605 * * * * [misc]regimes:  Trying to branch on x from (#<alt (λ (x) (- (/ -1/8 x) (- 1/2 x)))> #<alt (λ (x) (* (sqrt (+ x -1)) (sqrt x)))>)
1545733462.626 * * * [misc]regime:  Found split indices: #<option (#s(si 1 256))>
1545733462.626 * [enter]simplify:  Simplifying (* (sqrt (+ x -1)) (sqrt x))
1545733462.626 * * [misc]simplify:  iters left: 5 (6 enodes)
1545733462.626 * * [misc]simplify:  iters left: 4 (8 enodes)
1545733462.627 * [exit]simplify:  Simplified to (* (sqrt (+ -1 x)) (sqrt x))
1545733462.627 * * * * [misc]points:  Sampling 8000 additional inputs, on iter 0 have 0 / 8000
1545733463.747 * * * * [misc]points:  Filtering points with unrepresentable outputs
1545733463.749 * * * * [misc]points:  Sampling 6063 additional inputs, on iter 1 have 1937 / 8000
1545733464.459 * * * * [misc]points:  Filtering points with unrepresentable outputs
1545733464.460 * * * * [misc]points:  Sampling 4517 additional inputs, on iter 2 have 3483 / 8000
1545733465.356 * * * * [misc]points:  Filtering points with unrepresentable outputs
1545733465.359 * * * * [misc]points:  Sampling 3406 additional inputs, on iter 3 have 4594 / 8000
1545733465.855 * * * * [misc]points:  Filtering points with unrepresentable outputs
1545733465.856 * * * * [misc]points:  Sampling 2518 additional inputs, on iter 4 have 5482 / 8000
1545733466.248 * * * * [misc]points:  Filtering points with unrepresentable outputs
1545733466.249 * * * * [misc]points:  Sampling 1886 additional inputs, on iter 5 have 6114 / 8000
1545733466.517 * * * * [misc]points:  Filtering points with unrepresentable outputs
1545733466.517 * * * * [misc]points:  Sampling 1431 additional inputs, on iter 6 have 6569 / 8000
1545733466.700 * * * * [misc]points:  Filtering points with unrepresentable outputs
1545733466.701 * * * * [misc]points:  Sampling 1073 additional inputs, on iter 7 have 6927 / 8000
1545733466.844 * * * * [misc]points:  Filtering points with unrepresentable outputs
1545733466.844 * * * * [misc]points:  Sampling 802 additional inputs, on iter 8 have 7198 / 8000
1545733466.993 * * * * [misc]points:  Filtering points with unrepresentable outputs
1545733466.993 * * * * [misc]points:  Sampling 600 additional inputs, on iter 9 have 7400 / 8000
1545733467.079 * * * * [misc]points:  Filtering points with unrepresentable outputs
1545733467.079 * * * * [misc]points:  Sampling 456 additional inputs, on iter 10 have 7544 / 8000
1545733467.571 * * * * [misc]points:  Filtering points with unrepresentable outputs
1545733467.571 * * * * [misc]points:  Sampling 329 additional inputs, on iter 11 have 7671 / 8000
1545733467.617 * * * * [misc]points:  Filtering points with unrepresentable outputs
1545733467.617 * * * * [misc]points:  Sampling 252 additional inputs, on iter 12 have 7748 / 8000
1545733467.635 * * * * [misc]points:  Filtering points with unrepresentable outputs
1545733467.635 * * * * [misc]points:  Sampling 185 additional inputs, on iter 13 have 7815 / 8000
1545733467.649 * * * * [misc]points:  Filtering points with unrepresentable outputs
1545733467.649 * * * * [misc]points:  Sampling 146 additional inputs, on iter 14 have 7854 / 8000
1545733467.668 * * * * [misc]points:  Filtering points with unrepresentable outputs
1545733467.669 * * * * [misc]points:  Sampling 112 additional inputs, on iter 15 have 7888 / 8000
1545733467.680 * * * * [misc]points:  Filtering points with unrepresentable outputs
1545733467.680 * * * * [misc]points:  Sampling 84 additional inputs, on iter 16 have 7916 / 8000
1545733467.719 * * * * [misc]points:  Filtering points with unrepresentable outputs
1545733467.719 * * * * [misc]points:  Sampling 68 additional inputs, on iter 17 have 7932 / 8000
1545733467.734 * * * * [misc]points:  Filtering points with unrepresentable outputs
1545733467.734 * * * * [misc]points:  Sampling 58 additional inputs, on iter 18 have 7942 / 8000
1545733467.739 * * * * [misc]points:  Filtering points with unrepresentable outputs
1545733467.739 * * * * [misc]points:  Sampling 39 additional inputs, on iter 19 have 7961 / 8000
1545733467.743 * * * * [misc]points:  Filtering points with unrepresentable outputs
1545733467.743 * * * * [misc]points:  Sampling 31 additional inputs, on iter 20 have 7969 / 8000
1545733467.746 * * * * [misc]points:  Filtering points with unrepresentable outputs
1545733467.746 * * * * [misc]points:  Sampling 26 additional inputs, on iter 21 have 7974 / 8000
1545733467.748 * * * * [misc]points:  Filtering points with unrepresentable outputs
1545733467.748 * * * * [misc]points:  Sampling 21 additional inputs, on iter 22 have 7979 / 8000
1545733467.751 * * * * [misc]points:  Filtering points with unrepresentable outputs
1545733467.751 * * * * [misc]points:  Sampling 15 additional inputs, on iter 23 have 7985 / 8000
1545733467.753 * * * * [misc]points:  Filtering points with unrepresentable outputs
1545733467.753 * * * * [misc]points:  Sampling 9 additional inputs, on iter 24 have 7991 / 8000
1545733467.754 * * * * [misc]points:  Filtering points with unrepresentable outputs
1545733467.754 * * * * [misc]points:  Sampling 5 additional inputs, on iter 25 have 7995 / 8000
1545733467.755 * * * * [misc]points:  Filtering points with unrepresentable outputs
1545733467.755 * * * * [misc]points:  Sampling 4 additional inputs, on iter 26 have 7998 / 8000
1545733467.756 * * * * [misc]points:  Filtering points with unrepresentable outputs
1545733467.756 * * * * [misc]points:  Sampling 4 additional inputs, on iter 27 have 7999 / 8000
1545733467.757 * * * * [misc]points:  Filtering points with unrepresentable outputs
1545733467.757 * * * * [exit]points:  Sampled 8000 points with exact outputs
1545733468.083 * [misc]regime-testing:  Baseline error score: 0.49107312031259015
1545733468.085 * [misc]regime-testing:  Oracle error score: 0.007198120312590145