Gurobi 5.0.1 (linux64) logging started Fri Jan 18 04:02:38 2013

Optimize a model with 30 rows, 221 columns and 2048 nonzeros
Presolve removed 12 rows and 12 columns
Presolve time: 0.00s
Presolved: 18 rows, 209 columns, 1824 nonzeros
Variable types: 201 continuous, 8 integer (8 binary)

Root relaxation: objective 3.501784e+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 3501.78418    0    7          - 3501.78418     -      -    0s
H    0     0                    3502.0000000 3501.78418  0.01%     -    0s

Explored 0 nodes (14 simplex iterations) in 0.01 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.502000000000e+03, best bound 3.501784176788e+03, gap 0.0062%