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

Optimize a model with 11968 rows, 11628 columns and 46308 nonzeros
Presolve removed 34 rows and 0 columns
Presolve time: 0.05s
Presolved: 11934 rows, 11628 columns, 46274 nonzeros
Variable types: 11594 continuous, 34 integer (34 binary)

Root relaxation: objective 3.550773e+04, 1744 iterations, 0.23 seconds

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

     0     0 35507.7259    0   27          - 35507.7259     -      -    0s
H    0     0                    39601.000000 35507.7259  10.3%     -    0s
     0     0 39170.6954    0    3 39601.0000 39170.6954  1.09%     -    0s
H    0     0                    39343.196759 39170.6954  0.44%     -    0s
H    0     0                    39174.000000 39170.6954  0.01%     -    0s

Cutting planes:
  Implied bound: 24

Explored 0 nodes (2432 simplex iterations) in 0.70 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.917400000000e+04, best bound 3.917069537037e+04, gap 0.0084%