Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:51:46 2013

Optimize a model with 3838 rows, 3648 columns and 14478 nonzeros
Presolve removed 19 rows and 0 columns
Presolve time: 0.01s
Presolved: 3819 rows, 3648 columns, 14459 nonzeros
Variable types: 3629 continuous, 19 integer (19 binary)

Root relaxation: objective 2.321830e+04, 766 iterations, 0.04 seconds

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

     0     0 23218.3017    0   13          - 23218.3017     -      -    0s
H    0     0                    24261.000000 23218.3017  4.30%     -    0s
     0     0 23903.3933    0    2 24261.0000 23903.3933  1.47%     -    0s
H    0     0                    24125.972452 23903.3933  0.92%     -    0s
     0     0 23957.5833    0    1 24125.9725 23957.5833  0.70%     -    0s
H    0     0                    24017.666667 23957.5833  0.25%     -    0s
H    0     0                    23968.000000 23957.5833  0.04%     -    0s
     0     2 23964.0000    0    1 23968.0000 23964.0000  0.02%     -    0s

Cutting planes:
  Implied bound: 12

Explored 3 nodes (989 simplex iterations) in 0.17 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.396800000000e+04, best bound 2.396800000000e+04, gap 0.0%