150.122 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.029 * * * [progress]: [2/2] Setting up program.
0.032 * [progress]: [Phase 2 of 3] Improving.
0.033 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (/ (- (- (- x y) z) w) a)
0.035 * * [simplify]: iteration  0 :  22  enodes  (cost  4 )
0.036 * * [simplify]: iteration  1 :  61  enodes  (cost  4 )
0.037 * * [simplify]: iteration  2 :  184  enodes  (cost  4 )
0.040 * * [simplify]: iteration  3 :  395  enodes  (cost  4 )
0.043 * * [simplify]: iteration  4 :  836  enodes  (cost  4 )
0.047 * * [simplify]: iteration  5 :  1154  enodes  (cost  4 )
0.054 * * [simplify]: iteration  6 :  1550  enodes  (cost  4 )
0.061 * * [simplify]: iteration  7 :  2068  enodes  (cost  4 )
0.067 * * [simplify]: iteration  8 :  2111  enodes  (cost  4 )
0.074 * * [simplify]: iteration  9 :  2111  enodes  (cost  4 )
0.075 * [simplify]: Simplified to:
   (/ (- (- (- x y) z) w) a)
0.075 * [progress]: [Phase 3 of 3] Extracting.
0.085 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (/ (- (- (- x y) z) w) a)
0.086 * * [simplify]: iteration  0 :  9  enodes  (cost  4 )
0.086 * [simplify]: Simplified to:
   (/ (- (- (- x y) z) w) a)
1.299 * [regime-testing]: End program error score: 0.0250762548444457