Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:57:42 2013

Optimize a model with 14896 rows, 14516 columns and 57836 nonzeros
Presolve removed 38 rows and 0 columns
Presolve time: 0.06s
Presolved: 14858 rows, 14516 columns, 57798 nonzeros
Variable types: 14478 continuous, 38 integer (38 binary)

Root relaxation: objective 3.530369e+04, 2029 iterations, 0.39 seconds

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

     0     0 35303.6884    0   33          - 35303.6884     -      -    0s
H    0     0                    41117.000000 35303.6884  14.1%     -    0s
     0     0 38582.1446    0    3 41117.0000 38582.1446  6.16%     -    1s
H    0     0                    39578.878056 38582.1446  2.52%     -    1s
H    0     0                    38982.000000 38582.1446  1.03%     -    1s
H    0     0                    38973.000000 38582.1446  1.00%     -    1s
     0     0 38823.8333    0    1 38973.0000 38823.8333  0.38%     -    1s
H    0     0                    38834.000000 38823.8333  0.03%     -    1s
     0     1 38833.7073    0    1 38834.0000 38833.7073  0.00%     -    1s

Cutting planes:
  Implied bound: 31

Explored 1 nodes (3019 simplex iterations) in 1.50 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.883400000000e+04, best bound 3.883370731707e+04, gap 0.0008%