Gurobi 5.0.1 (linux64) logging started Mon Feb  4 16:00:53 2013

Optimize a model with 461 rows, 2536 columns and 131500 nonzeros
Presolve removed 4 rows and 7 columns
Presolve time: 0.34s
Presolved: 457 rows, 2529 columns, 131149 nonzeros
Variable types: 0 continuous, 2529 integer (2529 binary)
Found heuristic solution: objective 1784.0000000
Found heuristic solution: objective 1364.0000000

Root relaxation: objective 1.208000e+03, 230 iterations, 0.01 seconds

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

*    0     0               0    1208.0000000 1208.00000   0.0%     -    0s

Explored 0 nodes (230 simplex iterations) in 0.38 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.208000000000e+03, best bound 1.208000000000e+03, gap 0.0%