Gurobi 5.0.1 (linux64) logging started Mon Feb  4 16:24:40 2013

Optimize a model with 1793 rows, 484 columns and 5566 nonzeros
Presolve removed 611 rows and 267 columns
Presolve time: 0.02s
Presolved: 1182 rows, 217 columns, 3659 nonzeros
Variable types: 6 continuous, 211 integer (211 binary)
Found heuristic solution: objective 8762.0000000

Root relaxation: objective 6.806273e+03, 399 iterations, 0.01 seconds

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

     0     0 6806.27327    0    5 8762.00000 6806.27327  22.3%     -    0s
H    0     0                    6822.0000000 6806.27327  0.23%     -    0s
H    0     0                    6817.0000000 6806.27327  0.16%     -    0s
     0     0 6812.47489    0   13 6817.00000 6812.47489  0.07%     -    0s
     0     0 6812.47489    0    5 6817.00000 6812.47489  0.07%     -    0s
     0     0 6812.47489    0   13 6817.00000 6812.47489  0.07%     -    0s
     0     1 6812.66007    0   13 6817.00000 6812.66007  0.06%     -    0s

Explored 5 nodes (458 simplex iterations) in 0.04 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 6.817000000000e+03, best bound 6.817000000000e+03, gap 0.0%