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 2.337984e+04, 123 iterations, 0.00 seconds

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

     0     0 23379.8401    0    1          - 23379.8401     -      -    0s
     0     0 23392.4543    0    2          - 23392.4543     -      -    0s
     0     0 23393.6284    0    2          - 23393.6284     -      -    0s
     0     0 23393.6284    0    2          - 23393.6284     -      -    0s
H    0     0                    23736.244530 23393.6284  1.44%     -    0s
     0     2 23415.9491    0    2 23736.2445 23415.9491  1.35%     -    0s
*    8     6               8    23527.197639 23520.1717  0.03%   4.4    0s

Cutting planes:
  Gomory: 1
  Flow cover: 2

Explored 15 nodes (286 simplex iterations) in 0.09 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.352719763919e+04, best bound 2.352719763919e+04, gap 0.0%