Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:55:52 2013

Optimize a model with 12670 rows, 12320 columns and 49070 nonzeros
Presolve removed 35 rows and 0 columns
Presolve time: 0.05s
Presolved: 12635 rows, 12320 columns, 49035 nonzeros
Variable types: 12285 continuous, 35 integer (35 binary)

Root relaxation: objective 3.094496e+04, 1376 iterations, 0.19 seconds

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

     0     0 30944.9650    0   27          - 30944.9650     -      -    0s
H    0     0                    35019.000000 30944.9650  11.6%     -    0s
     0     0 33609.9162    0    7 35019.0000 33609.9162  4.02%     -    0s
H    0     0                    34310.000000 33609.9162  2.04%     -    0s
H    0     0                    33637.000000 33609.9162  0.08%     -    0s
     0     0 33619.6592    0    5 33637.0000 33619.6592  0.05%     -    0s
     0     0 33635.4000    0    1 33637.0000 33635.4000  0.00%     -    0s

Cutting planes:
  Implied bound: 27

Explored 0 nodes (1995 simplex iterations) in 0.81 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.363700000000e+04, best bound 3.363540000000e+04, gap 0.0048%