71.537 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.025 * * * [progress]: [2/2] Setting up program.
0.030 * [progress]: [Phase 2 of 3] Improving.
0.030 * [simplify]: Simplifying:
  (- (+ x y) x)
0.030 * * [simplify]: Extracting # 0 : cost  1  inf +  0
0.030 * * [simplify]: Extracting # 1 : cost  3  inf +  0
0.030 * * [simplify]: Extracting # 2 : cost  3  inf +  1
0.030 * * [simplify]: Extracting # 3 : cost  0  inf +  126
0.030 * * [simplify]: iteration  0 :  4  enodes  (cost  82 )
0.031 * * [simplify]: Extracting # 0 : cost  0  inf +  126
0.031 * * [simplify]: Extracting # 1 : cost  2  inf +  126
0.031 * * [simplify]: Extracting # 2 : cost  0  inf +  209
0.031 * * [simplify]: iteration  1 :  9  enodes  (cost  82 )
0.033 * * [simplify]: Extracting # 0 : cost  0  inf +  209
0.033 * * [simplify]: Extracting # 1 : cost  2  inf +  209
0.033 * * [simplify]: Extracting # 2 : cost  0  inf +  331
0.033 * * [simplify]: iteration  2 :  17  enodes  (cost  82 )
0.037 * * [simplify]: Extracting # 0 : cost  0  inf +  331
0.037 * * [simplify]: Extracting # 1 : cost  0  inf +  210
0.037 * * [simplify]: Extracting # 2 : cost  0  inf +  170
0.037 * * [simplify]: iteration  3 :  26  enodes  (cost  42 )
0.042 * * [simplify]: Extracting # 0 : cost  0  inf +  170
0.042 * * [simplify]: Extracting # 1 : cost  0  inf +  128
0.042 * * [simplify]: iteration  4 :  54  enodes  (cost  1 )
0.045 * * [simplify]: Extracting # 0 : cost  0  inf +  128
0.045 * * [simplify]: iteration  5 :  67  enodes  (cost  1 )
0.049 * * [simplify]: Extracting # 0 : cost  0  inf +  128
0.049 * * [simplify]: iteration  6 :  74  enodes  (cost  1 )
0.050 * * [simplify]: Extracting # 0 : cost  0  inf +  128
0.050 * * [simplify]: iteration  7 :  75  enodes  (cost  1 )
0.051 * * [simplify]: Extracting # 0 : cost  0  inf +  128
0.051 * * [simplify]: iteration done:  75  enodes  (cost  1 )
0.051 * [simplify]: Simplified to:
  y
0.056 * * [progress]: iteration 1 / 4
0.056 * * * [progress]: picking best candidate
0.058 * * * * [pick]: Picked  #<alt (λ (x y) y)>
0.058 * * * [progress]: localizing error
0.059 * * * [progress]: generating rewritten candidates
0.059 * * * [progress]: generating series expansions
0.059 * * * [progress]: simplifying candidates
0.059 * [simplify]: Simplifying:
  
0.059 * * [simplify]: Extracting # 0 : cost  0  inf +  0
0.059 * * [simplify]: iteration  0 :  0  enodes  (cost  0 )
0.059 * * [simplify]: Extracting # 0 : cost  0  inf +  0
0.059 * * [simplify]: iteration done:  0  enodes  (cost  0 )
0.059 * [simplify]: Simplified to:
  
0.059 * * * [progress]: adding candidates to table
0.060 * [progress]: [Phase 3 of 3] Extracting.
0.063 * [simplify]: Simplifying:
  y
0.063 * * [simplify]: Extracting # 0 : cost  1  inf +  0
0.063 * * [simplify]: Extracting # 1 : cost  0  inf +  1
0.063 * * [simplify]: iteration  0 :  1  enodes  (cost  1 )
0.063 * * [simplify]: Extracting # 0 : cost  0  inf +  1
0.063 * * [simplify]: iteration done:  1  enodes  (cost  1 )
0.063 * [simplify]: Simplified to:
  y
1.087 * [regime-testing]: Baseline error score: 0
1.099 * [regime-testing]: Oracle error score: 0
1.099 * [regime-testing]: End program error score: 0
1.181 * [regime-testing]: Target error score: 0