Gurobi 5.0.1 (linux64) logging started Fri Jan 18 07:19:49 2013

Optimize a model with 10140 rows, 31020 columns and 82010 nonzeros
Presolve removed 20 rows and 30 columns
Presolve time: 0.70s
Presolved: 10120 rows, 30990 columns, 61980 nonzeros
Variable types: 21000 continuous, 9990 integer (9990 binary)

Root relaxation: objective 1.931845e+04, 128 iterations, 0.02 seconds

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

*    0     0               0    19318.446870 19318.4469   0.0%     -    0s

Explored 0 nodes (128 simplex iterations) in 0.83 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.931844686955e+04, best bound 1.931844686955e+04, gap 0.0%