63.497 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.037 * * * [progress]: [2/2] Setting up program.
0.040 * [progress]: [Phase 2 of 3] Improving.
0.041 * [simplify]: Simplifying:
  (+ (* x y) (* z t))
0.041 * * [simplify]: Extracting # 0 : cost  0
0.041 * * [simplify]: Extracting # 1 : cost  0
0.041 * * [simplify]: Extracting # 2 : cost  0
0.041 * * [simplify]: Extracting # 3 : cost  0
0.041 * * [simplify]: Extracting # 4 : cost  0
0.041 * * [simplify]: iteration  0 :  7  enodes  (cost  7 )
0.043 * * [simplify]: Extracting # 0 : cost  0
0.043 * * [simplify]: Extracting # 1 : cost  0
0.043 * * [simplify]: iteration  1 :  11  enodes  (cost  6 )
0.045 * * [simplify]: Extracting # 0 : cost  0
0.045 * * [simplify]: iteration  2 :  14  enodes  (cost  6 )
0.046 * * [simplify]: Extracting # 0 : cost  0
0.046 * * [simplify]: iteration done:  14  enodes  (cost  6 )
0.046 * [simplify]: Simplified to:
  (fma x y (* z t))
0.049 * * [progress]: iteration 1 / 4
0.049 * * * [progress]: picking best candidate
0.051 * * * * [pick]: Picked  #<alt (λ (x y z t) (fma x y (* z t)))>
0.051 * * * [progress]: localizing error
0.058 * * * [progress]: generating rewritten candidates
0.058 * * * [progress]: generating series expansions
0.058 * * * [progress]: simplifying candidates
0.058 * [simplify]: Simplifying:
  
0.058 * * [simplify]: Extracting # 0 : cost  0
0.058 * * [simplify]: iteration  0 :  0  enodes  (cost  0 )
0.058 * * [simplify]: Extracting # 0 : cost  0
0.058 * * [simplify]: iteration done:  0  enodes  (cost  0 )
0.058 * [simplify]: Simplified to:
  
0.058 * * * [progress]: adding candidates to table
0.059 * [progress]: [Phase 3 of 3] Extracting.
0.060 * [simplify]: Simplifying:
  (fma x y (* z t))
0.061 * * [simplify]: Extracting # 0 : cost  0
0.061 * * [simplify]: Extracting # 1 : cost  0
0.061 * * [simplify]: Extracting # 2 : cost  0
0.061 * * [simplify]: Extracting # 3 : cost  0
0.061 * * [simplify]: Extracting # 4 : cost  0
0.061 * * [simplify]: iteration  0 :  6  enodes  (cost  6 )
0.061 * * [simplify]: Extracting # 0 : cost  0
0.061 * * [simplify]: iteration  1 :  7  enodes  (cost  6 )
0.061 * * [simplify]: Extracting # 0 : cost  0
0.061 * * [simplify]: iteration done:  7  enodes  (cost  6 )
0.061 * [simplify]: Simplified to:
  (fma x y (* z t))
1.108 * [regime-testing]: End program error score: 0.005000625078134767