Gurobi 5.0.1 (linux64) logging started Mon Feb  4 16:28:03 2013

Optimize a model with 1279 rows, 26543 columns and 1349391 nonzeros
Presolve removed 69 rows and 542 columns (presolve time = 5s) ...
Presolve removed 70 rows and 572 columns
Presolve time: 6.54s
Presolved: 1209 rows, 25971 columns, 1317123 nonzeros
Variable types: 0 continuous, 25971 integer (25971 binary)
Found heuristic solution: objective 14430.000000

Root relaxation: objective 1.021100e+04, 6320 iterations, 3.18 seconds
Total elapsed time = 10.42s

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

     0     0 10211.0000    0   60 14430.0000 10211.0000  29.2%     -   11s
H    0     0                    10241.000000 10211.0000  0.29%     -   11s
H    0     0                    10235.000000 10211.0000  0.23%     -   11s
     0     0 10214.5000    0   14 10235.0000 10214.5000  0.20%     -   12s
H    0     0                    10232.000000 10214.5000  0.17%     -   17s
     0     0 10214.5000    0   58 10232.0000 10214.5000  0.17%     -   19s
*    0     0               0    10215.000000 10215.0000   0.0%     -   20s

Cutting planes:
  Clique: 2
  Zero half: 4

Explored 0 nodes (14172 simplex iterations) in 20.11 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.021500000000e+04, best bound 1.021500000000e+04, gap 0.0%