Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:53:49 2013

Optimize a model with 330 rows, 9030 columns and 18030 nonzeros
Presolve time: 0.01s
Presolved: 330 rows, 9030 columns, 18030 nonzeros
Variable types: 9000 continuous, 30 integer (30 binary)

Root relaxation: objective 3.374869e+04, 498 iterations, 0.01 seconds

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

     0     0 33748.6873    0    6          - 33748.6873     -      -    0s
H    0     0                    34477.000000 33748.6873  2.11%     -    0s
     0     0 34038.3770    0    3 34477.0000 34038.3770  1.27%     -    0s
H    0     0                    34179.000000 34038.3770  0.41%     -    0s
H    0     0                    34052.000000 34038.3770  0.04%     -    0s
     0     0 34047.6667    0    1 34052.0000 34047.6667  0.01%     -    0s
     0     0 34051.2903    0    1 34052.0000 34051.2903  0.00%     -    0s

Cutting planes:
  Implied bound: 23
  Flow cover: 4

Explored 0 nodes (578 simplex iterations) in 0.08 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.405200000000e+04, best bound 3.405129032258e+04, gap 0.0021%