Gurobi 5.0.1 (linux64) logging started Fri Jan 18 02:46:14 2013

Optimize a model with 28 rows, 275 columns and 2035 nonzeros
Presolve removed 12 rows and 68 columns
Presolve time: 0.00s
Presolved: 16 rows, 207 columns, 1812 nonzeros
Variable types: 200 continuous, 7 integer (7 binary)

Root relaxation: objective 2.689108e+03, 9 iterations, 0.00 seconds

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

     0     0 2689.10827    0    1          - 2689.10827     -      -    0s
H    0     0                    2689.1093187 2689.10827  0.00%     -    0s

Explored 0 nodes (9 simplex iterations) in 0.01 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.689109318721e+03, best bound 2.689108272835e+03, gap 0.0000%