Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:58:19 2013

Optimize a model with 15678 rows, 15288 columns and 60918 nonzeros
Presolve removed 39 rows and 0 columns
Presolve time: 0.07s
Presolved: 15639 rows, 15288 columns, 60879 nonzeros
Variable types: 15249 continuous, 39 integer (39 binary)

Root relaxation: objective 4.138731e+04, 2418 iterations, 0.49 seconds

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

     0     0 41387.3100    0   34          - 41387.3100     -      -    0s
H    0     0                    49024.000000 41387.3100  15.6%     -    0s
     0     0 46203.1705    0    3 49024.0000 46203.1705  5.75%     -    1s
H    0     0                    47166.965909 46203.1705  2.04%     -    1s
H    0     0                    46693.000000 46203.1705  1.05%     -    1s
H    0     0                    46488.000000 46203.1705  0.61%     -    1s
     0     0 46380.2571    0    4 46488.0000 46380.2571  0.23%     -    1s
     0     0 46389.7207    0    3 46488.0000 46389.7207  0.21%     -    1s
     0     2 46404.2659    0    3 46488.0000 46404.2659  0.18%     -    1s
*    5     2               4    46450.000000 46436.5000  0.03%  26.6    1s

Cutting planes:
  Gomory: 1
  Implied bound: 36

Explored 7 nodes (3633 simplex iterations) in 1.92 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 4.645000000000e+04, best bound 4.644862068966e+04, gap 0.0030%