Gurobi 5.0.1 (linux64) logging started Fri Jan 18 05:26:33 2013

Optimize a model with 1032 rows, 2046 columns and 7090 nonzeros
Presolve removed 26 rows and 471 columns
Presolve time: 0.15s
Presolved: 1006 rows, 1575 columns, 4706 nonzeros
Variable types: 1016 continuous, 559 integer (559 binary)

Root relaxation: objective 4.448004e+03, 14 iterations, 0.00 seconds

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

     0     0 4448.00398    0    2          - 4448.00398     -      -    0s
     0     0 4448.91429    0    3          - 4448.91429     -      -    0s
     0     0 4458.94273    0    2          - 4458.94273     -      -    0s
H    0     0                    4458.9448988 4458.94273  0.00%     -    0s

Explored 0 nodes (42 simplex iterations) in 0.45 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 4.458944898839e+03, best bound 4.458942726975e+03, gap 0.0000%