Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:53:56 2013

Optimize a model with 9360 rows, 9060 columns and 36060 nonzeros
Presolve removed 30 rows and 0 columns
Presolve time: 0.04s
Presolved: 9330 rows, 9060 columns, 36030 nonzeros
Variable types: 9030 continuous, 30 integer (30 binary)

Root relaxation: objective 3.192820e+04, 1430 iterations, 0.14 seconds

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

     0     0 31928.2018    0   20          - 31928.2018     -      -    0s
H    0     0                    34908.000000 31928.2018  8.54%     -    0s
     0     0 34344.3886    0    3 34908.0000 34344.3886  1.61%     -    0s
H    0     0                    34629.503037 34344.3886  0.82%     -    0s
H    0     0                    34470.000000 34344.3886  0.36%     -    0s
     0     0 34364.3889    0    1 34470.0000 34364.3889  0.31%     -    0s
     0     2 34364.8750    0    1 34470.0000 34364.8750  0.30%     -    0s
*    4     3               3    34391.000000 34369.6325  0.06%  23.5    0s

Cutting planes:
  Gomory: 2
  Implied bound: 21

Explored 9 nodes (2677 simplex iterations) in 0.75 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.439100000000e+04, best bound 3.439100000000e+04, gap 0.0%