Gurobi 5.0.1 (linux64) logging started Sat Nov 17 05:55:43 2012

Optimize a model with 62287 rows, 52670 columns and 238387 nonzeros
Presolve removed 460 rows and 2 columns
Presolve time: 1.62s
Presolved: 62056 rows, 52668 columns, 289143 nonzeros
Variable types: 0 continuous, 52668 integer (52668 binary)
Found heuristic solution: objective 229.0000000

Root simplex log...

Iteration    Objective       Primal Inf.    Dual Inf.      Time
   34999    3.0001117e+00   2.130000e+02   0.000000e+00      5s
   40236    3.0001410e+00   8.483333e+01   0.000000e+00     10s
   44844    3.0001532e+00   1.620000e+02   0.000000e+00     15s
   48588    3.0001587e+00   8.336315e+00   0.000000e+00     20s
   49273    3.0000000e+00   0.000000e+00   0.000000e+00     22s

Root relaxation: objective 3.000000e+00, 49273 iterations, 21.69 seconds
Total elapsed time = 62.36s
Total elapsed time = 70.15s

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

     0     0    3.00000    0   85  229.00000    3.00000  98.7%     -   77s
H    0     0                       3.0000000    3.00000   0.0%     -   77s

Explored 0 nodes (137446 simplex iterations) in 77.59 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%