1.374 * [progress]: [Phase 1 of 3] Setting up. 0.006 * * * [progress]: [1/2] Preparing points 0.183 * * * [progress]: [2/2] Setting up program. 0.189 * [progress]: [Phase 2 of 3] Improving. 0.189 * * * * [progress]: [ 1 / 1 ] simplifiying candidate # 0.192 * [simplify]: Simplifying: (* 0.5 (- (* x x) y)) 0.194 * * [simplify]: iteration 0: 6 enodes 0.201 * * [simplify]: iteration 1: 9 enodes 0.203 * * [simplify]: iteration 2: 16 enodes 0.210 * * [simplify]: iteration 3: 26 enodes 0.217 * * [simplify]: iteration 4: 33 enodes 0.223 * * [simplify]: iteration complete: 33 enodes 0.224 * * [simplify]: Extracting #0: cost 1 inf + 0 0.224 * * [simplify]: Extracting #1: cost 6 inf + 0 0.224 * * [simplify]: Extracting #2: cost 11 inf + 1 0.225 * * [simplify]: Extracting #3: cost 4 inf + 251 0.225 * * [simplify]: Extracting #4: cost 0 inf + 579 0.225 * [simplify]: Simplified to: (* (- (* x x) y) 0.5) 0.228 * * [progress]: iteration 1 / 4 0.228 * * * [progress]: picking best candidate 0.271 * * * * [pick]: Picked # 0.271 * * * [progress]: localizing error 0.291 * * * [progress]: generating rewritten candidates 0.291 * * * * [progress]: [ 1 / 1 ] rewriting at (2 2) 0.301 * * * [progress]: generating series expansions 0.302 * * * * [progress]: [ 1 / 1 ] generating series at (2 2) 0.306 * [backup-simplify]: Simplify (- (* x x) y) into (- (pow x 2) y) 0.306 * [approximate]: Taking taylor expansion of (- (pow x 2) y) in (x y) around 0 0.307 * [taylor]: Taking taylor expansion of (- (pow x 2) y) in y 0.307 * [taylor]: Taking taylor expansion of (pow x 2) in y 0.307 * [taylor]: Taking taylor expansion of x in y 0.307 * [backup-simplify]: Simplify x into x 0.307 * [taylor]: Taking taylor expansion of y in y 0.307 * [backup-simplify]: Simplify 0 into 0 0.307 * [backup-simplify]: Simplify 1 into 1 0.308 * [taylor]: Taking taylor expansion of (- (pow x 2) y) in x 0.308 * [taylor]: Taking taylor expansion of (pow x 2) in x 0.308 * [taylor]: Taking taylor expansion of x in x 0.308 * [backup-simplify]: Simplify 0 into 0 0.308 * [backup-simplify]: Simplify 1 into 1 0.308 * [taylor]: Taking taylor expansion of y in x 0.308 * [backup-simplify]: Simplify y into y 0.308 * [taylor]: Taking taylor expansion of (- (pow x 2) y) in x 0.308 * [taylor]: Taking taylor expansion of (pow x 2) in x 0.308 * [taylor]: Taking taylor expansion of x in x 0.308 * [backup-simplify]: Simplify 0 into 0 0.308 * [backup-simplify]: Simplify 1 into 1 0.308 * [taylor]: Taking taylor expansion of y in x 0.308 * [backup-simplify]: Simplify y into y 0.309 * [backup-simplify]: Simplify (- y) into (- y) 0.309 * [backup-simplify]: Simplify (+ 0 (- y)) into (- y) 0.309 * [taylor]: Taking taylor expansion of (- y) in y 0.309 * [taylor]: Taking taylor expansion of y in y 0.309 * [backup-simplify]: Simplify 0 into 0 0.309 * [backup-simplify]: Simplify 1 into 1 0.309 * [backup-simplify]: Simplify (- 0) into 0 0.309 * [backup-simplify]: Simplify 0 into 0 0.310 * [backup-simplify]: Simplify (- 0) into 0 0.310 * [backup-simplify]: Simplify (+ 0 0) into 0 0.310 * [taylor]: Taking taylor expansion of 0 in y 0.310 * [backup-simplify]: Simplify 0 into 0 0.310 * [backup-simplify]: Simplify 0 into 0 0.311 * [backup-simplify]: Simplify (- 1) into -1 0.311 * [backup-simplify]: Simplify -1 into -1 0.311 * [backup-simplify]: Simplify (* 1 1) into 1 0.311 * [backup-simplify]: Simplify (- 0) into 0 0.312 * [backup-simplify]: Simplify (+ 1 0) into 1 0.312 * [taylor]: Taking taylor expansion of 1 in y 0.312 * [backup-simplify]: Simplify 1 into 1 0.312 * [backup-simplify]: Simplify 1 into 1 0.312 * [backup-simplify]: Simplify 0 into 0 0.312 * [backup-simplify]: Simplify (- 0) into 0 0.312 * [backup-simplify]: Simplify 0 into 0 0.312 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0 0.313 * [backup-simplify]: Simplify (- 0) into 0 0.313 * [backup-simplify]: Simplify (+ 0 0) into 0 0.313 * [taylor]: Taking taylor expansion of 0 in y 0.313 * [backup-simplify]: Simplify 0 into 0 0.313 * [backup-simplify]: Simplify 0 into 0 0.313 * [backup-simplify]: Simplify 0 into 0 0.313 * [backup-simplify]: Simplify 0 into 0 0.313 * [backup-simplify]: Simplify (- 0) into 0 0.313 * [backup-simplify]: Simplify 0 into 0 0.314 * [backup-simplify]: Simplify (+ (* 1 (pow (* 1 x) 2)) (* -1 (* y 1))) into (- (pow x 2) y) 0.314 * [backup-simplify]: Simplify (- (* (/ 1 x) (/ 1 x)) (/ 1 y)) into (- (/ 1 (pow x 2)) (/ 1 y)) 0.314 * [approximate]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 y)) in (x y) around 0 0.314 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 y)) in y 0.314 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y 0.314 * [taylor]: Taking taylor expansion of (pow x 2) in y 0.314 * [taylor]: Taking taylor expansion of x in y 0.314 * [backup-simplify]: Simplify x into x 0.314 * [backup-simplify]: Simplify (* x x) into (pow x 2) 0.314 * [backup-simplify]: Simplify (/ 1 (pow x 2)) into (/ 1 (pow x 2)) 0.314 * [taylor]: Taking taylor expansion of (/ 1 y) in y 0.314 * [taylor]: Taking taylor expansion of y in y 0.314 * [backup-simplify]: Simplify 0 into 0 0.314 * [backup-simplify]: Simplify 1 into 1 0.315 * [backup-simplify]: Simplify (/ 1 1) into 1 0.315 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 y)) in x 0.315 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x 0.315 * [taylor]: Taking taylor expansion of (pow x 2) in x 0.315 * [taylor]: Taking taylor expansion of x in x 0.315 * [backup-simplify]: Simplify 0 into 0 0.315 * [backup-simplify]: Simplify 1 into 1 0.315 * [backup-simplify]: Simplify (* 1 1) into 1 0.315 * [backup-simplify]: Simplify (/ 1 1) into 1 0.315 * [taylor]: Taking taylor expansion of (/ 1 y) in x 0.315 * [taylor]: Taking taylor expansion of y in x 0.315 * [backup-simplify]: Simplify y into y 0.315 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y) 0.315 * [taylor]: Taking taylor expansion of (- (/ 1 (pow x 2)) (/ 1 y)) in x 0.315 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x 0.315 * [taylor]: Taking taylor expansion of (pow x 2) in x 0.315 * [taylor]: Taking taylor expansion of x in x 0.315 * [backup-simplify]: Simplify 0 into 0 0.315 * [backup-simplify]: Simplify 1 into 1 0.316 * [backup-simplify]: Simplify (* 1 1) into 1 0.316 * [backup-simplify]: Simplify (/ 1 1) into 1 0.316 * [taylor]: Taking taylor expansion of (/ 1 y) in x 0.316 * [taylor]: Taking taylor expansion of y in x 0.316 * [backup-simplify]: Simplify y into y 0.316 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y) 0.316 * [backup-simplify]: Simplify (+ 1 0) into 1 0.316 * [taylor]: Taking taylor expansion of 1 in y 0.316 * [backup-simplify]: Simplify 1 into 1 0.317 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0 0.317 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0 0.318 * [backup-simplify]: Simplify (+ 0 0) into 0 0.318 * [taylor]: Taking taylor expansion of 0 in y 0.318 * [backup-simplify]: Simplify 0 into 0 0.318 * [backup-simplify]: Simplify 1 into 1 0.318 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0 0.319 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0 0.319 * [backup-simplify]: Simplify (- (/ 1 y)) into (- (/ 1 y)) 0.319 * [backup-simplify]: Simplify (+ 0 (- (/ 1 y))) into (- (/ 1 y)) 0.319 * [taylor]: Taking taylor expansion of (- (/ 1 y)) in y 0.319 * [taylor]: Taking taylor expansion of (/ 1 y) in y 0.319 * [taylor]: Taking taylor expansion of y in y 0.320 * [backup-simplify]: Simplify 0 into 0 0.320 * [backup-simplify]: Simplify 1 into 1 0.320 * [backup-simplify]: Simplify (/ 1 1) into 1 0.320 * [backup-simplify]: Simplify (- 1) into -1 0.320 * [backup-simplify]: Simplify -1 into -1 0.320 * [backup-simplify]: Simplify 0 into 0 0.320 * [backup-simplify]: Simplify 0 into 0 0.322 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0 0.322 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0 0.323 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0 0.323 * [backup-simplify]: Simplify (- 0) into 0 0.323 * [backup-simplify]: Simplify (+ 0 0) into 0 0.323 * [taylor]: Taking taylor expansion of 0 in y 0.323 * [backup-simplify]: Simplify 0 into 0 0.324 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0 0.324 * [backup-simplify]: Simplify (- 0) into 0 0.324 * [backup-simplify]: Simplify 0 into 0 0.324 * [backup-simplify]: Simplify 0 into 0 0.324 * [backup-simplify]: Simplify 0 into 0 0.325 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0 0.326 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0 0.326 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0 0.326 * [backup-simplify]: Simplify (- 0) into 0 0.326 * [backup-simplify]: Simplify (+ 0 0) into 0 0.326 * [taylor]: Taking taylor expansion of 0 in y 0.326 * [backup-simplify]: Simplify 0 into 0 0.326 * [backup-simplify]: Simplify 0 into 0 0.327 * [backup-simplify]: Simplify (+ (* -1 (* (/ 1 (/ 1 y)) 1)) (* 1 (pow (* 1 (/ 1 (/ 1 x))) 2))) into (- (pow x 2) y) 0.327 * [backup-simplify]: Simplify (- (* (/ 1 (- x)) (/ 1 (- x))) (/ 1 (- y))) into (+ (/ 1 (pow x 2)) (/ 1 y)) 0.327 * [approximate]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 y)) in (x y) around 0 0.327 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 y)) in y 0.327 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in y 0.327 * [taylor]: Taking taylor expansion of (pow x 2) in y 0.327 * [taylor]: Taking taylor expansion of x in y 0.327 * [backup-simplify]: Simplify x into x 0.327 * [backup-simplify]: Simplify (* x x) into (pow x 2) 0.327 * [backup-simplify]: Simplify (/ 1 (pow x 2)) into (/ 1 (pow x 2)) 0.327 * [taylor]: Taking taylor expansion of (/ 1 y) in y 0.327 * [taylor]: Taking taylor expansion of y in y 0.327 * [backup-simplify]: Simplify 0 into 0 0.327 * [backup-simplify]: Simplify 1 into 1 0.328 * [backup-simplify]: Simplify (/ 1 1) into 1 0.328 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 y)) in x 0.328 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x 0.328 * [taylor]: Taking taylor expansion of (pow x 2) in x 0.328 * [taylor]: Taking taylor expansion of x in x 0.328 * [backup-simplify]: Simplify 0 into 0 0.328 * [backup-simplify]: Simplify 1 into 1 0.328 * [backup-simplify]: Simplify (* 1 1) into 1 0.328 * [backup-simplify]: Simplify (/ 1 1) into 1 0.328 * [taylor]: Taking taylor expansion of (/ 1 y) in x 0.328 * [taylor]: Taking taylor expansion of y in x 0.328 * [backup-simplify]: Simplify y into y 0.328 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y) 0.328 * [taylor]: Taking taylor expansion of (+ (/ 1 (pow x 2)) (/ 1 y)) in x 0.328 * [taylor]: Taking taylor expansion of (/ 1 (pow x 2)) in x 0.328 * [taylor]: Taking taylor expansion of (pow x 2) in x 0.328 * [taylor]: Taking taylor expansion of x in x 0.328 * [backup-simplify]: Simplify 0 into 0 0.328 * [backup-simplify]: Simplify 1 into 1 0.329 * [backup-simplify]: Simplify (* 1 1) into 1 0.329 * [backup-simplify]: Simplify (/ 1 1) into 1 0.329 * [taylor]: Taking taylor expansion of (/ 1 y) in x 0.329 * [taylor]: Taking taylor expansion of y in x 0.329 * [backup-simplify]: Simplify y into y 0.329 * [backup-simplify]: Simplify (/ 1 y) into (/ 1 y) 0.329 * [backup-simplify]: Simplify (+ 1 0) into 1 0.329 * [taylor]: Taking taylor expansion of 1 in y 0.329 * [backup-simplify]: Simplify 1 into 1 0.330 * [backup-simplify]: Simplify (+ (* 1 0) (* 0 1)) into 0 0.330 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0 0.330 * [backup-simplify]: Simplify (+ 0 0) into 0 0.330 * [taylor]: Taking taylor expansion of 0 in y 0.330 * [backup-simplify]: Simplify 0 into 0 0.330 * [backup-simplify]: Simplify 1 into 1 0.331 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (* 0 1))) into 0 0.332 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)))) into 0 0.332 * [backup-simplify]: Simplify (+ 0 (/ 1 y)) into (/ 1 y) 0.332 * [taylor]: Taking taylor expansion of (/ 1 y) in y 0.332 * [taylor]: Taking taylor expansion of y in y 0.332 * [backup-simplify]: Simplify 0 into 0 0.332 * [backup-simplify]: Simplify 1 into 1 0.332 * [backup-simplify]: Simplify (/ 1 1) into 1 0.332 * [backup-simplify]: Simplify 1 into 1 0.332 * [backup-simplify]: Simplify 0 into 0 0.332 * [backup-simplify]: Simplify 0 into 0 0.333 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (* 0 1)))) into 0 0.333 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0 0.333 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)))) into 0 0.334 * [backup-simplify]: Simplify (+ 0 0) into 0 0.334 * [taylor]: Taking taylor expansion of 0 in y 0.334 * [backup-simplify]: Simplify 0 into 0 0.334 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)))) into 0 0.334 * [backup-simplify]: Simplify 0 into 0 0.334 * [backup-simplify]: Simplify 0 into 0 0.334 * [backup-simplify]: Simplify 0 into 0 0.335 * [backup-simplify]: Simplify (+ (* 1 0) (+ (* 0 0) (+ (* 0 0) (+ (* 0 0) (* 0 1))))) into 0 0.335 * [backup-simplify]: Simplify (- (+ (* 1 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)) (* 0 (/ 0 1)))) into 0 0.336 * [backup-simplify]: Simplify (- (+ (* (/ 1 y) (/ 0 y)) (* 0 (/ 0 y)))) into 0 0.336 * [backup-simplify]: Simplify (+ 0 0) into 0 0.336 * [taylor]: Taking taylor expansion of 0 in y 0.336 * [backup-simplify]: Simplify 0 into 0 0.336 * [backup-simplify]: Simplify 0 into 0 0.336 * [backup-simplify]: Simplify (+ (* 1 (* (/ 1 (/ 1 (- y))) 1)) (* 1 (pow (* 1 (/ 1 (/ 1 (- x)))) 2))) into (- (pow x 2) y) 0.336 * * * [progress]: simplifying candidates 0.336 * * * * [progress]: [ 1 / 17 ] simplifiying candidate # 0.336 * * * * [progress]: [ 2 / 17 ] simplifiying candidate # 0.336 * * * * [progress]: [ 3 / 17 ] simplifiying candidate # 0.337 * * * * [progress]: [ 4 / 17 ] simplifiying candidate # 0.337 * * * * [progress]: [ 5 / 17 ] simplifiying candidate # 0.337 * * * * [progress]: [ 6 / 17 ] simplifiying candidate # 0.337 * * * * [progress]: [ 7 / 17 ] simplifiying candidate # 0.337 * * * * [progress]: [ 8 / 17 ] simplifiying candidate # 0.337 * * * * [progress]: [ 9 / 17 ] simplifiying candidate # 0.337 * * * * [progress]: [ 10 / 17 ] simplifiying candidate # 0.337 * * * * [progress]: [ 11 / 17 ] simplifiying candidate # 0.337 * * * * [progress]: [ 12 / 17 ] simplifiying candidate # 0.337 * * * * [progress]: [ 13 / 17 ] simplifiying candidate # 0.337 * * * * [progress]: [ 14 / 17 ] simplifiying candidate #real (real->posit16 (- (* x x) y)))))> 0.337 * * * * [progress]: [ 15 / 17 ] simplifiying candidate # 0.337 * * * * [progress]: [ 16 / 17 ] simplifiying candidate # 0.337 * * * * [progress]: [ 17 / 17 ] simplifiying candidate # 0.337 * [simplify]: Simplifying: (/ (exp (* x x)) (exp y)) (log (- (* x x) y)) (exp (- (* x x) y)) (* (cbrt (- (* x x) y)) (cbrt (- (* x x) y))) (cbrt (- (* x x) y)) (* (* (- (* x x) y) (- (* x x) y)) (- (* x x) y)) (sqrt (- (* x x) y)) (sqrt (- (* x x) y)) (- (pow (* x x) 3) (pow y 3)) (+ (* (* x x) (* x x)) (+ (* y y) (* (* x x) y))) (- y) (- (* (* x x) (* x x)) (* y y)) (+ (* x x) y) (+ x (sqrt y)) (- x (sqrt y)) (- y) (real->posit16 (- (* x x) y)) (- (pow x 2) y) (- (pow x 2) y) (- (pow x 2) y) 0.338 * * [simplify]: iteration 0: 33 enodes 0.343 * * [simplify]: iteration 1: 88 enodes 0.375 * * [simplify]: iteration 2: 309 enodes 0.647 * * [simplify]: iteration 3: 1591 enodes 1.123 * * [simplify]: iteration complete: 5001 enodes 1.123 * * [simplify]: Extracting #0: cost 15 inf + 0 1.124 * * [simplify]: Extracting #1: cost 92 inf + 0 1.126 * * [simplify]: Extracting #2: cost 1606 inf + 430 1.165 * * [simplify]: Extracting #3: cost 1180 inf + 84714 1.217 * * [simplify]: Extracting #4: cost 248 inf + 173931 1.261 * * [simplify]: Extracting #5: cost 125 inf + 204345 1.294 * * [simplify]: Extracting #6: cost 24 inf + 221481 1.327 * * [simplify]: Extracting #7: cost 0 inf + 228022 1.373 * [simplify]: Simplified to: (exp (- (* x x) y)) (log (- (* x x) y)) (exp (- (* x x) y)) (* (cbrt (- (* x x) y)) (cbrt (- (* x x) y))) (cbrt (- (* x x) y)) (* (* (- (* x x) y) (- (* x x) y)) (- (* x x) y)) (sqrt (- (* x x) y)) (sqrt (- (* x x) y)) (- (* (* x x) (* (* x x) (* x x))) (* y (* y y))) (+ (* y y) (* (* x x) (+ (* x x) y))) (- y) (* (+ (* x x) y) (- (* x x) y)) (+ (* x x) y) (+ (sqrt y) x) (- x (sqrt y)) (- y) (real->posit16 (- (* x x) y)) (- (* x x) y) (- (* x x) y) (- (* x x) y) 1.374 * * * [progress]: adding candidates to table 1.441 * [progress]: [Phase 3 of 3] Extracting. 1.443 * [simplify]: Simplifying: (* 0.5 (- (* x x) y)) 1.443 * * [simplify]: iteration 0: 6 enodes 1.444 * * [simplify]: iteration 1: 7 enodes 1.444 * * [simplify]: iteration complete: 7 enodes 1.444 * * [simplify]: Extracting #0: cost 1 inf + 0 1.444 * * [simplify]: Extracting #1: cost 3 inf + 0 1.444 * * [simplify]: Extracting #2: cost 4 inf + 1 1.444 * * [simplify]: Extracting #3: cost 4 inf + 2 1.444 * * [simplify]: Extracting #4: cost 0 inf + 249 1.444 * [simplify]: Simplified to: (* (- (* x x) y) 0.5) 2.570 * [regime-testing]: Baseline error score: 0.01775818468131138 2.573 * [regime-testing]: Oracle error score: 0.01775818468131138 2.573 * [regime-testing]: End program error score: 0.01775818468131138