Gurobi 5.0.1 (linux64) logging started Sat Nov 17 01:18:35 2012

Optimize a model with 54483 rows, 45156 columns and 207546 nonzeros
Presolve removed 1486 rows and 2 columns
Presolve time: 3.94s
Presolved: 53209 rows, 45154 columns, 248386 nonzeros
Variable types: 0 continuous, 45154 integer (45154 binary)
Found heuristic solution: objective 212.0000000
Found heuristic solution: objective 3.0000000

Root relaxation: infeasible, 353 iterations, 0.04 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%     -    4s

Explored 0 nodes (353 simplex iterations) in 4.12 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%