Gurobi 5.0.1 (linux64) logging started Mon Feb  4 18:53:39 2013

Optimize a model with 15225 rows, 2025 columns and 46575 nonzeros
Presolve removed 3584 rows and 1087 columns
Presolve time: 0.10s
Presolved: 11641 rows, 938 columns, 35589 nonzeros
Variable types: 16 continuous, 922 integer (922 binary)
Found heuristic solution: objective 44891.000000

Root relaxation: objective 3.429247e+04, 3476 iterations, 0.14 seconds

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

     0     0 34292.4722    0    3 44891.0000 34292.4722  23.6%     -    0s
H    0     0                    34295.000000 34292.4722  0.01%     -    0s

Explored 0 nodes (3484 simplex iterations) in 0.29 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.429500000000e+04, best bound 3.429300000000e+04, gap 0.0058%