Gurobi 5.0.1 (linux64) logging started Fri Nov 16 21:01:58 2012

Optimize a model with 23225 rows, 25122 columns and 94008 nonzeros
Presolve removed 30 rows and 4426 columns
Presolve time: 0.49s
Presolved: 23195 rows, 20696 columns, 89290 nonzeros
Variable types: 0 continuous, 20696 integer (20696 binary)
Found heuristic solution: objective 158.0000000
Found heuristic solution: objective 3.0000000

Root relaxation: objective 2.000000e+00, 288 iterations, 0.01 seconds

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

     0     0    2.00000    0  246    3.00000    2.00000  33.3%     -    0s
     0     0 infeasible    0         3.00000    2.00000  33.3%     -    0s

Explored 0 nodes (541 simplex iterations) in 0.62 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%