Gurobi 5.0.1 (linux64) logging started Fri Jan 18 00:55:20 2013

Optimize a model with 340 rows, 1620 columns and 3610 nonzeros
Presolve removed 20 rows and 30 columns
Presolve time: 0.01s
Presolved: 320 rows, 1590 columns, 3180 nonzeros
Variable types: 1400 continuous, 190 integer (190 binary)

Root relaxation: objective 1.836170e+04, 132 iterations, 0.00 seconds

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

     0     0 18361.7044    0    1          - 18361.7044     -      -    0s
     0     0 18367.2471    0    2          - 18367.2471     -      -    0s
     0     0 18367.2471    0    2          - 18367.2471     -      -    0s
H    0     0                    18423.142900 18367.2471  0.30%     -    0s
     0     2 18369.2294    0    2 18423.1429 18369.2294  0.29%     -    0s
*    8     3               6    18420.403855 18396.7806  0.13%   5.1    0s
*    9     2               5    18418.387270 18396.7806  0.12%   5.4    0s
*   12     1               4    18418.150058 18415.1098  0.02%   5.8    0s

Cutting planes:
  Gomory: 1
  Flow cover: 1

Explored 14 nodes (270 simplex iterations) in 0.04 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.841815005800e+04, best bound 1.841807326595e+04, gap 0.0004%