Gurobi 5.0.1 (linux64) logging started Fri Jan 18 05:26:10 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 3292.3314038

Root relaxation: objective 3.292144e+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 3292.14446    0    1 3292.33140 3292.14446  0.01%     -    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 3.292331403820e+03, best bound 3.292144464613e+03, gap 0.0057%