Gurobi 5.0.1 (linux64) logging started Sat Nov 17 07:15:00 2012

Optimize a model with 65799 rows, 55460 columns and 251683 nonzeros
Presolve removed 963 rows and 4937 columns
Presolve time: 1.76s
Presolved: 64836 rows, 50523 columns, 243846 nonzeros
Variable types: 0 continuous, 50523 integer (50523 binary)
Found heuristic solution: objective 235.0000000

Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   35233    3.0000766e+00   1.211759e+02   0.000000e+00      5s
   41805    3.0000908e+00   2.015000e+02   0.000000e+00     10s
   46509    3.0000986e+00   4.259256e+02   0.000000e+00     15s
   49743    3.0001009e+00   2.903838e+01   0.000000e+00     20s
   52683    3.0001023e+00   1.457010e+01   0.000000e+00     25s
   55623    3.0001040e+00   7.009978e+01   0.000000e+00     30s
   58563    3.0001057e+00   4.864485e+01   0.000000e+00     35s
   61503    3.0001074e+00   1.270267e+01   0.000000e+00     40s
   64149    3.0001080e+00   5.287083e+00   0.000000e+00     45s
   66469    3.0000000e+00   0.000000e+00   0.000000e+00     49s

Root relaxation: objective 3.000000e+00, 66469 iterations, 48.80 seconds
Total elapsed time = 101.19s

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

     0     0    3.00000    0   93  235.00000    3.00000  98.7%     -  104s
H    0     0                       3.0000000    3.00000   0.0%     -  105s

Explored 0 nodes (157756 simplex iterations) in 105.10 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%