Gurobi 5.0.1 (linux64) logging started Mon Feb  4 16:11:57 2013

Optimize a model with 575 rows, 225 columns and 1800 nonzeros
Presolve removed 140 rows and 116 columns
Presolve time: 0.00s
Presolved: 435 rows, 109 columns, 1377 nonzeros
Variable types: 6 continuous, 103 integer (103 binary)
Found heuristic solution: objective 5329.0000000
Found heuristic solution: objective 4979.0000000

Root relaxation: objective 4.242878e+03, 10 iterations, 0.00 seconds

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

     0     0 4242.87805    0    5 4979.00000 4242.87805  14.8%     -    0s
     0     0 4246.47130    0    8 4979.00000 4246.47130  14.7%     -    0s
H    0     0                    4928.0000000 4246.47130  13.8%     -    0s
     0     0 4251.30788    0    7 4928.00000 4251.30788  13.7%     -    0s
     0     0 4251.98235    0    7 4928.00000 4251.98235  13.7%     -    0s
H    0     0                    4252.0000000 4251.98235  0.00%     -    0s

Cutting planes:
  MIR: 6

Explored 0 nodes (43 simplex iterations) in 0.01 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 4.252000000000e+03, best bound 4.252000000000e+03, gap 0.0%