Gurobi 5.0.1 (linux64) logging started Sat Nov 17 01:29:01 2012

Optimize a model with 50267 rows, 45582 columns and 195319 nonzeros
Presolve removed 1280 rows and 2 columns
Presolve time: 1.29s
Presolved: 49200 rows, 45580 columns, 237033 nonzeros
Variable types: 0 continuous, 45580 integer (45580 binary)
Found heuristic solution: objective 213.0000000
Found heuristic solution: objective 3.0000000

Root relaxation: infeasible, 348 iterations, 0.03 seconds

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

     0     0 infeasible    0         3.00000    2.00000  33.3%     -    1s

Explored 0 nodes (348 simplex iterations) in 1.46 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%