4.718 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.020 * * * [progress]: [2/2] Setting up program.
0.023 * [progress]: [Phase 2 of 3] Improving.
0.024 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (/ (- (pow a 2.0) (pow b 2.0)) (+ a b))
0.025 * * [simplify]: iteration  0 :  20  enodes  (cost  5 )
0.026 * * [simplify]: iteration  1 :  41  enodes  (cost  5 )
0.028 * * [simplify]: iteration  2 :  97  enodes  (cost  5 )
0.030 * * [simplify]: iteration  3 :  298  enodes  (cost  5 )
0.036 * * [simplify]: iteration  4 :  1206  enodes  (cost  5 )
0.061 * * [simplify]: iteration  5 :  5001  enodes  (cost  5 )
0.062 * [simplify]: Simplified to:
   (/ (- (pow a 2.0) (pow b 2.0)) (+ a b))
0.062 * [progress]: [Phase 3 of 3] Extracting.
0.065 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (/ (- (pow a 2.0) (pow b 2.0)) (+ a b))
0.065 * * [simplify]: iteration  0 :  9  enodes  (cost  5 )
0.066 * * [simplify]: iteration  1 :  9  enodes  (cost  5 )
0.066 * [simplify]: Simplified to:
   (/ (- (pow a 2.0) (pow b 2.0)) (+ a b))
0.954 * [regime-testing]: End program error score: 31.703115548724586