Gurobi 5.0.1 (linux64) logging started Thu Jan 17 23:16:19 2013

Optimize a model with 360 rows, 4120 columns and 8340 nonzeros
Presolve removed 80 rows and 60 columns
Presolve time: 0.01s
Presolved: 280 rows, 4060 columns, 8180 nonzeros
Variable types: 4040 continuous, 20 integer (20 binary)

Root relaxation: objective 3.839329e+04, 366 iterations, 0.01 seconds

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

     0     0 38393.2919    0    2          - 38393.2919     -      -    0s
H    0     0                    38794.995927 38393.2919  1.04%     -    0s
H    0     0                    38621.831495 38393.2919  0.59%     -    0s
     0     1 38535.2870    0    1 38621.8315 38535.2870  0.22%     -    0s

Explored 2 nodes (400 simplex iterations) in 0.07 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.862183149486e+04, best bound 3.862183149486e+04, gap 0.0%