Gurobi 5.0.1 (linux64) logging started Fri Nov 16 03:08:19 2012

Optimize a model with 1217 rows, 870 columns and 4377 nonzeros
Presolve removed 119 rows and 31 columns
Presolve time: 0.05s
Presolved: 1098 rows, 839 columns, 3982 nonzeros
Variable types: 0 continuous, 839 integer (839 binary)
Found heuristic solution: objective 29.0000000
Found heuristic solution: objective 3.0000000

Root relaxation: infeasible, 47 iterations, 0.00 seconds

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

     0     0 infeasible    0         3.00000    2.00000  33.3%     -    0s

Explored 0 nodes (47 simplex iterations) in 0.05 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.000000000000e+00, best bound 3.000000000000e+00, gap 0.0%