Gurobi 5.0.1 (linux64) logging started Sat Nov 17 02:03:06 2012

Optimize a model with 51862 rows, 47306 columns and 201808 nonzeros
Presolve removed 436 rows and 2 columns
Presolve time: 1.29s
Presolved: 51643 rows, 47304 columns, 247338 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
   32411    3.0000740e+00   2.090000e+02   0.000000e+00      5s
   39507    3.0000912e+00   5.441961e+01   0.000000e+00     10s
   43513    3.0000000e+00   0.000000e+00   0.000000e+00     14s

Root relaxation: objective 3.000000e+00, 43513 iterations, 14.45 seconds
Total elapsed time = 20.72s

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

     0     0    3.00000    0   56  217.00000    3.00000  98.6%     -   21s
H    0     0                       3.0000000    3.00000   0.0%     -   21s

Explored 0 nodes (95714 simplex iterations) in 21.49 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%