8.587 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.068 * * * [progress]: [2/2] Setting up program.
0.074 * [progress]: [Phase 2 of 3] Improving.
0.074 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (tan (+ (atan (/ (- y x) (+ 1.0 (* x y)))) z))
0.075 * * [simplify]: iteration  0 :  19  enodes  (cost  7 )
0.076 * * [simplify]: iteration  1 :  22  enodes  (cost  7 )
0.077 * * [simplify]: iteration  2 :  24  enodes  (cost  7 )
0.078 * * [simplify]: iteration  3 :  24  enodes  (cost  7 )
0.078 * [simplify]: Simplified to:
   (tan (+ (atan (/ (- y x) (+ 1.0 (* x y)))) z))
0.079 * [progress]: [Phase 3 of 3] Extracting.
0.084 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (tan (+ (atan (/ (- y x) (+ 1.0 (* x y)))) z))
0.084 * * [simplify]: iteration  0 :  14  enodes  (cost  7 )
0.084 * * [simplify]: iteration  1 :  14  enodes  (cost  7 )
0.084 * [simplify]: Simplified to:
   (tan (+ (atan (/ (- y x) (+ 1.0 (* x y)))) z))
2.581 * [regime-testing]: End program error score: 31.34862762341211