Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:55:10 2013

Optimize a model with 11934 rows, 11594 columns and 46274 nonzeros
Presolve removed 739 rows and 0 columns
Presolve time: 0.06s
Presolved: 11195 rows, 11594 columns, 44796 nonzeros
Variable types: 11560 continuous, 34 integer (34 binary)

Root relaxation: objective 3.917097e+04, 1709 iterations, 0.08 seconds

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

     0     0 39170.9667    0    1          - 39170.9667     -      -    0s
H    0     0                    39171.000000 39170.9667  0.00%     -    0s

Explored 0 nodes (1709 simplex iterations) in 0.19 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.917100000000e+04, best bound 3.917096666667e+04, gap 0.0001%