Gurobi 5.0.1 (linux64) logging started Sat Dec  8 03:30:24 2012

Optimize a model with 825 rows, 810 columns and 2958 nonzeros
Presolve removed 151 rows and 32 columns
Presolve time: 0.01s
Presolved: 674 rows, 778 columns, 2645 nonzeros
Variable types: 697 continuous, 81 integer (81 binary)

Root relaxation: objective 3.246397e+04, 188 iterations, 0.00 seconds

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

     0     0 32463.9719    0   23          - 32463.9719     -      -    0s
     0     0 32497.1074    0   27          - 32497.1074     -      -    0s
     0     0 32505.0843    0   26          - 32505.0843     -      -    0s
     0     0 32513.0517    0   35          - 32513.0517     -      -    0s
     0     0 32533.7873    0   29          - 32533.7873     -      -    0s
     0     0 32535.2501    0   32          - 32535.2501     -      -    0s
     0     0 32535.4333    0   28          - 32535.4333     -      -    0s
     0     0 32535.4333    0   28          - 32535.4333     -      -    0s
H    0     0                    43080.000000 32535.4333  24.5%     -    0s
     0     2 32583.5774    0   28 43080.0000 32583.5774  24.4%     -    0s
H   54    52                    41438.000000 32629.6903  21.3%  13.2    0s
H   81    59                    34745.000000 32638.0822  6.06%  12.7    0s
H  324   251                    34649.000000 32687.6842  5.66%  13.4    0s
H  378   276                    34566.000000 32688.1598  5.43%  12.8    0s
H  854   493                    34545.000000 32882.5397  4.81%  13.2    0s
H  881   426                    33760.000000 32898.4385  2.55%  13.1    0s

Explored 7554 nodes (59426 simplex iterations) in 3.01 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.376000000000e+04, best bound 3.375780075876e+04, gap 0.0065%