Gurobi 5.0.1 (linux64) logging started Mon Feb  4 16:00:50 2013

Optimize a model with 278 rows, 1314 columns and 46060 nonzeros
Presolve removed 3 rows and 7 columns
Presolve time: 0.17s
Presolved: 275 rows, 1307 columns, 45962 nonzeros
Variable types: 0 continuous, 1307 integer (1307 binary)
Found heuristic solution: objective 981.0000000
Found heuristic solution: objective 789.0000000

Root relaxation: objective 5.980000e+02, 194 iterations, 0.01 seconds

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

*    0     0               0     598.0000000  598.00000   0.0%     -    0s

Explored 0 nodes (194 simplex iterations) in 0.19 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 5.980000000000e+02, best bound 5.980000000000e+02, gap 0.0%