Gurobi 5.0.1 (linux64) logging started Fri Jan 18 05:26:09 2013

Optimize a model with 514 rows, 1512 columns and 4021 nonzeros
Presolve removed 508 rows and 1499 columns
Presolve time: 0.05s
Presolved: 6 rows, 13 columns, 26 nonzeros
Variable types: 9 continuous, 4 integer (4 binary)
Found heuristic solution: objective 2970.4554798

Root relaxation: objective 2.970329e+03, 2 iterations, 0.00 seconds

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

     0     0 2970.32908    0    1 2970.45548 2970.32908  0.00%     -    0s

Explored 0 nodes (2 simplex iterations) in 0.05 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.970455479825e+03, best bound 2.970329078862e+03, gap 0.0043%