Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:51:16 2013

Optimize a model with 132 rows, 1452 columns and 2892 nonzeros
Presolve time: 0.00s
Presolved: 132 rows, 1452 columns, 2892 nonzeros
Variable types: 1440 continuous, 12 integer (12 binary)

Root relaxation: objective 1.865751e+04, 127 iterations, 0.00 seconds

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

     0     0 18657.5110    0    2          - 18657.5110     -      -    0s
H    0     0                    18716.000000 18657.5110  0.31%     -    0s
     0     0 18702.3702    0    1 18716.0000 18702.3702  0.07%     -    0s
     0     0 18715.3137    0    1 18716.0000 18715.3137  0.00%     -    0s

Cutting planes:
  Implied bound: 40
  Flow cover: 2

Explored 0 nodes (149 simplex iterations) in 0.01 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.871600000000e+04, best bound 1.871531372549e+04, gap 0.0037%