Gurobi 5.0.1 (linux64) logging started Fri Nov 16 20:51:44 2012

Optimize a model with 17639 rows, 21756 columns and 73939 nonzeros
Presolve removed 2 rows and 2 columns
Presolve time: 0.32s
Presolved: 17784 rows, 21754 columns, 95308 nonzeros
Variable types: 0 continuous, 21754 integer (21754 binary)
Found heuristic solution: objective 147.0000000

Root relaxation: objective 2.000000e+00, 12023 iterations, 0.54 seconds

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

     0     0    2.00000    0  188  147.00000    2.00000  98.6%     -    1s
H    0     0                     124.0000000    2.00000  98.4%     -    1s
H    0     0                       3.0000000    2.00000  33.3%     -    1s
     0     0 infeasible    0         3.00000    2.00000  33.3%     -    1s

Cutting planes:
  Gomory: 1
  Zero half: 5

Explored 0 nodes (38793 simplex iterations) in 1.98 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%