Gurobi 5.0.1 (linux64) logging started Mon Feb  4 19:13:43 2013

Optimize a model with 88641 rows, 6561 columns and 269001 nonzeros
Presolve removed 5143 rows and 3305 columns
Presolve time: 0.78s
Presolved: 83498 rows, 3256 columns, 253613 nonzeros
Variable types: 40 continuous, 3216 integer (3216 binary)
Found heuristic solution: objective 138402.00000

Root relaxation: objective 9.808986e+04, 26352 iterations, 3.03 seconds

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

     0     0 98089.8595    0   15 138402.000 98089.8595  29.1%     -    4s
H    0     0                    98108.000000 98089.8595  0.02%     -    4s
H    0     0                    98101.000000 98089.8595  0.01%     -    4s
H    0     0                    98097.000000 98089.8595  0.01%     -    4s

Explored 0 nodes (26387 simplex iterations) in 4.22 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 9.809700000000e+04, best bound 9.809000000000e+04, gap 0.0071%