Gurobi 5.0.1 (linux64) logging started Sat Nov 17 00:20:57 2012

Optimize a model with 46574 rows, 43056 columns and 181744 nonzeros
Presolve removed 23 rows and 4349 columns
Presolve time: 1.05s
Presolved: 46551 rows, 38707 columns, 176947 nonzeros
Variable types: 0 continuous, 38707 integer (38707 binary)
Found heuristic solution: objective 207.0000000

Root relaxation: objective 2.000000e+00, 27668 iterations, 2.11 seconds
Total elapsed time = 5.93s

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

     0     0    2.00000    0  350  207.00000    2.00000  99.0%     -    6s
H    0     0                     164.0000000    2.00000  98.8%     -    7s
H    0     0                       4.0000000    2.00000  50.0%     -    7s
H    0     0                       3.0000000    2.00000  33.3%     -    7s
     0     0 infeasible    0         3.00000    2.00000  33.3%     -    7s

Cutting planes:
  Gomory: 2
  Zero half: 38

Explored 0 nodes (92070 simplex iterations) in 7.48 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%