0.010 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.066 * * * [progress]: [2/2] Setting up program.
0.069 * [progress]: [Phase 2 of 3] Improving.
0.069 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (- (sqrt (- (* x y) (* z z))) z)
0.071 * * [simplify]: iteration  0 :  13  enodes  (cost  5 )
0.073 * * [simplify]: iteration  1 :  17  enodes  (cost  5 )
0.074 * * [simplify]: iteration  2 :  17  enodes  (cost  5 )
0.074 * [simplify]: Simplified to:
   (- (sqrt (- (* x y) (* z z))) z)
0.075 * [progress]: [Phase 3 of 3] Extracting.
0.080 * [simplify]: Simplifying using  #<procedure:simplify-batch-egg> :
   (- (sqrt (- (* x y) (* z z))) z)
0.081 * * [simplify]: iteration  0 :  9  enodes  (cost  5 )
0.081 * * [simplify]: iteration  1 :  9  enodes  (cost  5 )
0.081 * [simplify]: Simplified to:
   (- (sqrt (- (* x y) (* z z))) z)
2.493 * [regime-testing]: End program error score: 15.707123576620603