Gurobi 5.0.1 (linux64) logging started Mon Feb  4 16:15:39 2013

Optimize a model with 987 rows, 324 columns and 3078 nonzeros
Presolve removed 326 rows and 176 columns
Presolve time: 0.00s
Presolved: 661 rows, 148 columns, 2073 nonzeros
Variable types: 6 continuous, 142 integer (142 binary)
Found heuristic solution: objective 7052.0000000

Root relaxation: objective 6.105108e+03, 15 iterations, 0.00 seconds

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

     0     0 6105.10811    0    6 7052.00000 6105.10811  13.4%     -    0s
     0     0 6106.26382    0   13 7052.00000 6106.26382  13.4%     -    0s
H    0     0                    6126.0000000 6106.26382  0.32%     -    0s
H    0     0                    6123.0000000 6106.26382  0.27%     -    0s
     0     0 6107.35396    0   12 6123.00000 6107.35396  0.26%     -    0s
     0     0 6107.35396    0    7 6123.00000 6107.35396  0.26%     -    0s
H    0     0                    6120.0000000 6107.35396  0.21%     -    0s
     0     0 6108.22777    0   12 6120.00000 6108.22777  0.19%     -    0s
     0     2 6109.04360    0   12 6120.00000 6109.04360  0.18%     -    0s
H    1     2                    6114.0000000 6109.04360  0.08%   0.0    0s

Explored 5 nodes (89 simplex iterations) in 0.03 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 6.114000000000e+03, best bound 6.114000000000e+03, gap 0.0%