4.900 * [progress]: [Phase 1 of 3] Setting up. 0.002 * * * [progress]: [1/2] Preparing points 0.150 * * * [progress]: [2/2] Setting up program. 0.153 * [progress]: [Phase 2 of 3] Improving. 0.153 * [simplify]: Simplifying using # : (-.f64 (pow.f64 x 4) (pow.f64 y 4)) 0.210 * * [simplify]: iteration 0 : 4972 enodes (cost 7 ) 0.210 * * [simplify]: iteration 1 : 4972 enodes (cost 7 ) 0.211 * [simplify]: Simplified to: (-.f64 (pow.f64 x 4) (pow.f64 y 4)) 0.212 * * [progress]: iteration 1 / 4 0.212 * * * [progress]: picking best candidate 0.214 * * * * [pick]: Picked # 0.214 * * * [progress]: localizing error 0.219 * * * [progress]: generating rewritten candidates 0.219 * * * [progress]: generating series expansions 0.219 * * * [progress]: simplifying candidates 0.220 * [simplify]: Simplifying using # : 0.224 * * [simplify]: iteration 0 : 0 enodes (cost 0 ) 0.224 * [simplify]: Simplified to: 0.224 * * * [progress]: adding candidates to table 0.224 * [progress]: [Phase 3 of 3] Extracting. 0.227 * [simplify]: Simplifying using # : (-.f64 (pow.f64 x 4) (pow.f64 y 4)) 0.229 * * [simplify]: iteration 0 : 16 enodes (cost 7 ) 0.229 * * [simplify]: iteration 1 : 16 enodes (cost 7 ) 0.229 * [simplify]: Simplified to: (-.f64 (pow.f64 x 4) (pow.f64 y 4)) 0.963 * [regime-testing]: End program error score: 0.002125265658207276