Gurobi 5.0.1 (linux64) logging started Sat Nov 17 04:12:11 2012

Optimize a model with 64799 rows, 50850 columns and 244123 nonzeros
Presolve removed 470 rows and 4052 columns
Presolve time: 4.43s
Presolved: 64329 rows, 46798 columns, 238376 nonzeros
Variable types: 0 continuous, 46798 integer (46798 binary)
Found heuristic solution: objective 225.0000000

Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   34109    3.0000858e+00   6.563830e+01   0.000000e+00      5s
   40637    3.0000900e+00   5.061052e+01   0.000000e+00     10s
   43995    3.0000934e+00   6.021088e+01   0.000000e+00     15s
   47207    3.0000960e+00   3.599102e+01   0.000000e+00     20s
   50565    3.0000990e+00   1.824894e+02   0.000000e+00     25s
   53631    3.0001014e+00   8.745272e+00   0.000000e+00     30s
   56697    3.0001040e+00   1.074680e+01   0.000000e+00     35s
   59763    3.0001075e+00   1.426015e+01   0.000000e+00     40s
   62537    3.0001106e+00   2.619619e+01   0.000000e+00     45s
   65311    3.0001124e+00   3.136299e+00   0.000000e+00     50s
   68085    3.0001133e+00   1.855859e+01   0.000000e+00     55s
   68685    3.0000000e+00   0.000000e+00   0.000000e+00     56s

Root relaxation: objective 3.000000e+00, 68685 iterations, 56.17 seconds
Total elapsed time = 113.41s
Total elapsed time = 115.63s

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

*    0     0               0       3.0000000    3.00000   0.0%     -  117s

Explored 0 nodes (153470 simplex iterations) in 117.74 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%