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

Optimize a model with 1014 rows, 3012 columns and 8021 nonzeros
Presolve removed 363 rows and 1064 columns
Presolve time: 0.12s
Presolved: 651 rows, 1948 columns, 3896 nonzeros
Variable types: 1299 continuous, 649 integer (649 binary)
Found heuristic solution: objective 3432.7438354

Root relaxation: objective 3.432500e+03, 2 iterations, 0.00 seconds

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

     0     0 3432.49999    0    1 3432.74384 3432.49999  0.01%     -    0s

Explored 0 nodes (2 simplex iterations) in 0.13 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.432743835412e+03, best bound 3.432499990819e+03, gap 0.0071%