Gurobi 5.0.1 (linux64) logging started Fri Jan 18 07:07:15 2013

Optimize a model with 2014 rows, 2012 columns and 8021 nonzeros
Presolve removed 1002 rows and 1001 columns
Presolve time: 0.10s
Presolved: 1012 rows, 1011 columns, 3032 nonzeros
Variable types: 506 continuous, 505 integer (505 binary)
Found heuristic solution: objective 2970.4555123

Root relaxation: cutoff, 505 iterations, 0.01 seconds

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

     0     0     cutoff    0      2970.45551 2970.45551   0.0%     -    0s

Explored 0 nodes (505 simplex iterations) in 0.12 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.970455512267e+03, best bound 2.970455512267e+03, gap 0.0%