Gurobi 5.0.1 (linux64) logging started Sat Nov 17 07:57:54 2012

Optimize a model with 71336 rows, 56406 columns and 269230 nonzeros
Presolve removed 972 rows and 5688 columns (presolve time = 5s) ...
Presolve removed 974 rows and 5690 columns
Presolve time: 5.64s
Presolved: 70362 rows, 50716 columns, 260578 nonzeros
Variable types: 0 continuous, 50716 integer (50716 binary)
Found heuristic solution: objective 237.0000000

Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   37131    3.0000820e+00   7.236000e+01   0.000000e+00      5s
   46110    3.0000956e+00   2.938492e+01   0.000000e+00     10s
   49606    3.0000992e+00   6.592289e+02   0.000000e+00     15s
   52950    3.0001020e+00   1.476521e+02   0.000000e+00     20s
   56294    3.0001048e+00   4.284948e+01   0.000000e+00     25s
   59334    3.0001075e+00   3.675986e+01   0.000000e+00     30s
   62222    3.0001095e+00   1.966224e+02   0.000000e+00     35s
   65262    3.0001118e+00   9.261236e+01   0.000000e+00     40s
   68606    3.0001149e+00   7.103478e+01   0.000000e+00     45s
   71342    3.0001173e+00   2.298287e+01   0.000000e+00     50s
   74230    3.0001211e+00   2.999760e+00   0.000000e+00     55s
   75757    3.0000000e+00   0.000000e+00   0.000000e+00     58s

Root relaxation: objective 3.000000e+00, 75757 iterations, 57.90 seconds
Total elapsed time = 105.29s

    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%     -  109s

Explored 0 nodes (166801 simplex iterations) in 109.53 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%