Gurobi 5.0.1 (linux64) logging started Sat Nov 17 04:35:09 2012

Optimize a model with 63053 rows, 51302 columns and 239332 nonzeros
Presolve removed 932 rows and 5878 columns
Presolve time: 4.56s
Presolved: 62121 rows, 45424 columns, 230646 nonzeros
Variable types: 0 continuous, 45424 integer (45424 binary)
Found heuristic solution: objective 226.0000000

Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   37762    3.0001244e+00   1.134981e+03   0.000000e+00      5s
   42946    3.0002239e+00   2.604089e+03   0.000000e+00     10s
   46546    3.0002599e+00   5.774928e+02   0.000000e+00     15s
   50146    3.0002790e+00   9.682077e+02   0.000000e+00     20s
   54610    3.0002918e+00   1.149180e+02   0.000000e+00     25s
   59218    3.0003035e+00   1.016679e+02   0.000000e+00     30s
   63250    3.0003120e+00   1.635530e+02   0.000000e+00     35s
   66850    3.0003192e+00   3.024301e+01   0.000000e+00     40s
   70306    3.0003242e+00   7.265117e+01   0.000000e+00     45s
   73474    3.0003279e+00   6.916643e+00   0.000000e+00     50s
   74577    3.0000000e+00   0.000000e+00   0.000000e+00     52s

Root relaxation: objective 3.000000e+00, 74577 iterations, 51.74 seconds
Total elapsed time = 97.65s
Total elapsed time = 101.87s

    Nodes    |    Current Node    |     Objective Bounds      |     Work
 Expl Unexpl |  Obj  Depth IntInf | Incumbent    BestBd   Gap | It/Node Time

     0     0    3.00000    0   56  226.00000    3.00000  98.7%     -  103s
H    0     0                       3.0000000    3.00000   0.0%     -  103s

Explored 0 nodes (147382 simplex iterations) in 103.25 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.000000000000e+00, best bound 3.000000000000e+00, gap 0.0%