Gurobi 5.0.1 (linux64) logging started Fri Jan 18 05:26:16 2013

Optimize a model with 516 rows, 1013 columns and 3525 nonzeros
Presolve removed 16 rows and 142 columns
Presolve time: 0.10s
Presolved: 500 rows, 871 columns, 2612 nonzeros
Variable types: 497 continuous, 374 integer (374 binary)
Found heuristic solution: objective 2006.5285571

Root relaxation: objective 2.004106e+03, 6 iterations, 0.00 seconds

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

     0     0 2004.10555    0    2 2006.52856 2004.10555  0.12%     -    0s
     0     0 2004.33780    0    2 2006.52856 2004.33780  0.11%     -    0s
     0     0 2004.56812    0    2 2006.52856 2004.56812  0.10%     -    0s
     0     0 2004.79651    0    2 2006.52856 2004.79651  0.09%     -    0s
     0     0 2005.02299    0    2 2006.52856 2005.02299  0.08%     -    0s
     0     0 2005.24759    0    2 2006.52856 2005.24759  0.06%     -    0s
     0     0 2005.47031    0    2 2006.52856 2005.47031  0.05%     -    0s
     0     0 2005.69117    0    2 2006.52856 2005.69117  0.04%     -    0s
     0     0 2005.91020    0    2 2006.52856 2005.91020  0.03%     -    0s
     0     0 2006.12739    0    2 2006.52856 2006.12739  0.02%     -    0s
     0     0 2006.34277    0    2 2006.52856 2006.34277  0.01%     -    0s

Explored 0 nodes (54 simplex iterations) in 0.29 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.006528557063e+03, best bound 2.006342770957e+03, gap 0.0093%