Gurobi 5.0.1 (linux64) logging started Sat Nov 17 02:58:58 2012

Optimize a model with 54807 rows, 49062 columns and 212379 nonzeros
Presolve removed 26 rows and 5306 columns
Presolve time: 1.27s
Presolved: 54781 rows, 43756 columns, 206579 nonzeros
Variable types: 0 continuous, 43756 integer (43756 binary)
Found heuristic solution: objective 221.0000000

Root relaxation: objective 2.000000e+00, 31125 iterations, 2.71 seconds
Total elapsed time = 7.51s

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

     0     0    2.00000    0  386  221.00000    2.00000  99.1%     -    8s
H    0     0                     219.0000000    2.00000  99.1%     -    8s
H    0     0                       4.0000000    2.00000  50.0%     -    8s
H    0     0                       3.0000000    2.00000  33.3%     -    8s
     0     0 infeasible    0         3.00000    2.00000  33.3%     -    9s

Cutting planes:
  Gomory: 2
  Clique: 2
  Zero half: 26

Explored 0 nodes (102485 simplex iterations) in 9.21 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%