Gurobi 5.0.1 (linux64) logging started Mon Feb  4 18:56:00 2013

Optimize a model with 26289 rows, 2916 columns and 80190 nonzeros
Presolve removed 6192 rows and 1574 columns
Presolve time: 0.19s
Presolved: 20097 rows, 1342 columns, 60949 nonzeros
Variable types: 13 continuous, 1329 integer (1329 binary)
Found heuristic solution: objective 66745.000000

Root relaxation: objective 5.713300e+04, 2516 iterations, 0.15 seconds

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

     0     0 57133.0000    0    7 66745.0000 57133.0000  14.4%     -    0s
H    0     0                    57149.000000 57133.0000  0.03%     -    0s
H    0     0                    57140.000000 57133.0000  0.01%     -    0s
     0     0 57133.8536    0   14 57140.0000 57133.8536  0.01%     -    0s
     0     0 57133.8536    0    5 57140.0000 57133.8536  0.01%     -    0s
     0     0 57133.9572    0   13 57140.0000 57133.9572  0.01%     -    0s
H    0     0                    57138.000000 57133.9572  0.01%     -    0s

Cutting planes:
  MIR: 3

Explored 0 nodes (2607 simplex iterations) in 0.56 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 5.713800000000e+04, best bound 5.713400000000e+04, gap 0.0070%