Gurobi 5.0.1 (linux64) logging started Sat Nov 17 07:41:50 2012

Optimize a model with 69383 rows, 55932 columns and 262902 nonzeros
Presolve removed 963 rows and 4484 columns (presolve time = 5s) ...
Presolve removed 965 rows and 4486 columns
Presolve time: 5.46s
Presolved: 68418 rows, 51446 columns, 255478 nonzeros
Variable types: 0 continuous, 51446 integer (51446 binary)
Found heuristic solution: objective 236.0000000

Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   29030    3.0000916e+00   2.887500e+02   0.000000e+00      5s
   32930    3.0000979e+00   5.268104e+01   0.000000e+00     10s
   36380    3.0001009e+00   4.917116e+01   0.000000e+00     15s
   39830    3.0001040e+00   1.606429e+02   0.000000e+00     20s
   43280    3.0001075e+00   2.792228e+01   0.000000e+00     25s
   46730    3.0001103e+00   3.660513e+01   0.000000e+00     30s
   50180    3.0001131e+00   4.680201e+02   0.000000e+00     35s
   53180    3.0001158e+00   1.127952e+01   0.000000e+00     40s
   56330    3.0001180e+00   4.172818e+01   0.000000e+00     45s
   59330    3.0001202e+00   2.735556e+01   0.000000e+00     50s
   60910    3.0000000e+00   0.000000e+00   0.000000e+00     53s

Root relaxation: objective 3.000000e+00, 60910 iterations, 53.11 seconds
Total elapsed time = 124.92s

    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%     -  135s

Explored 0 nodes (154058 simplex iterations) in 135.66 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%