Gurobi 5.0.1 (linux64) logging started Sat Nov 17 02:03:29 2012

Optimize a model with 58806 rows, 47306 columns and 222640 nonzeros
Presolve removed 2172 rows and 2 columns
Presolve time: 4.40s
Presolved: 56851 rows, 47304 columns, 263782 nonzeros
Variable types: 0 continuous, 47304 integer (47304 binary)
Found heuristic solution: objective 217.0000000

Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   26623    3.0000821e+00   2.945000e+01   0.000000e+00      5s
   31054    3.0000850e+00   1.001061e+02   0.000000e+00     10s
   34504    3.0000880e+00   7.305947e+01   0.000000e+00     15s
   37816    3.0000903e+00   8.743189e+01   0.000000e+00     20s
   41128    3.0000925e+00   1.391045e+02   0.000000e+00     25s
   44164    3.0000942e+00   4.739477e+01   0.000000e+00     30s
   47338    3.0000965e+00   1.365325e+01   0.000000e+00     35s
   50374    3.0000980e+00   2.417057e+01   0.000000e+00     40s
   53272    3.0000995e+00   4.247636e+01   0.000000e+00     45s
   56032    3.0001013e+00   2.009504e+01   0.000000e+00     50s
   58792    3.0001028e+00   4.748901e-01   0.000000e+00     55s
   59088    3.0000000e+00   0.000000e+00   0.000000e+00     56s

Root relaxation: objective 3.000000e+00, 59088 iterations, 55.76 seconds
Total elapsed time = 116.62s
Total elapsed time = 125.99s

    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%     -  128s

Explored 0 nodes (157216 simplex iterations) in 128.76 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%