Gurobi 5.0.1 (linux64) logging started Sat Nov 17 08:12:35 2012

Optimize a model with 68114 rows, 57360 columns and 260508 nonzeros
Presolve removed 31 rows and 6933 columns
Presolve time: 1.58s
Presolved: 68083 rows, 50427 columns, 253007 nonzeros
Variable types: 0 continuous, 50427 integer (50427 binary)
Found heuristic solution: objective 239.0000000

Root relaxation: objective 2.000000e+00, 37701 iterations, 4.16 seconds
Total elapsed time = 10.58s

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

     0     0    2.00000    0  410  239.00000    2.00000  99.2%     -   12s
H    0     0                     222.0000000    2.00000  99.1%     -   12s
H    0     0                       4.0000000    2.00000  50.0%     -   12s
H    0     0                       3.0000000    2.00000  33.3%     -   12s
     0     0 infeasible    0         3.00000    2.00000  33.3%     -   12s

Cutting planes:
  Gomory: 1
  Clique: 2
  Zero half: 52

Explored 0 nodes (118308 simplex iterations) in 12.90 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%