Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:53:17 2013

Optimize a model with 308 rows, 7868 columns and 15708 nonzeros
Presolve time: 0.01s
Presolved: 308 rows, 7868 columns, 15708 nonzeros
Variable types: 7840 continuous, 28 integer (28 binary)

Root relaxation: objective 3.864816e+04, 590 iterations, 0.01 seconds

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

     0     0 38648.1571    0    4          - 38648.1571     -      -    0s
H    0     0                    38900.000000 38648.1571  0.65%     -    0s
     0     0 38753.0089    0    2 38900.0000 38753.0089  0.38%     -    0s
     0     0 38758.7934    0    2 38900.0000 38758.7934  0.36%     -    0s
     0     0 38764.6854    0    2 38900.0000 38764.6854  0.35%     -    0s
     0     0 38764.7083    0    2 38900.0000 38764.7083  0.35%     -    0s
     0     0 38764.7555    0    2 38900.0000 38764.7555  0.35%     -    0s
     0     0 38764.7555    0    2 38900.0000 38764.7555  0.35%     -    0s
     0     0 38770.1837    0    2 38900.0000 38770.1837  0.33%     -    0s
     0     0 38776.4653    0    1 38900.0000 38776.4653  0.32%     -    0s
     0     2 38779.0000    0    1 38900.0000 38779.0000  0.31%     -    0s
*    3     2               3    38822.000000 38822.0000   0.0%  13.3    0s

Cutting planes:
  Implied bound: 32
  Flow cover: 1

Explored 4 nodes (766 simplex iterations) in 0.16 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.882200000000e+04, best bound 3.882200000000e+04, gap 0.0%