Gurobi 5.0.1 (linux64) logging started Tue Nov 20 12:32:24 2012

Optimize a model with 365 rows, 120 columns and 730 nonzeros
Presolve removed 78 rows and 5 columns
Presolve time: 0.00s
Presolved: 287 rows, 115 columns, 613 nonzeros
Variable types: 0 continuous, 115 integer (115 binary)
Found heuristic solution: objective 45.0000000

Root relaxation: objective 5.200000e+01, 151 iterations, 0.00 seconds

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

     0     0   52.00000    0   86   45.00000   52.00000  15.6%     -    0s
     0     0   50.57143    0  102   45.00000   50.57143  12.4%     -    0s
H    0     0                      47.0000000   50.57143  7.60%     -    0s
     0     0   50.33333    0  113   47.00000   50.33333  7.09%     -    0s
     0     0   50.00000    0  111   47.00000   50.00000  6.38%     -    0s
     0     0   49.76064    0  114   47.00000   49.76064  5.87%     -    0s
     0     0   49.32500    0  113   47.00000   49.32500  4.95%     -    0s
     0     0   48.92308    0  114   47.00000   48.92308  4.09%     -    0s
     0     0   48.83084    0  112   47.00000   48.83084  3.90%     -    0s
     0     0   48.81132    0  114   47.00000   48.81132  3.85%     -    0s
     0     0   48.81132    0  111   47.00000   48.81132  3.85%     -    0s
     0     2   48.81132    0  111   47.00000   48.81132  3.85%     -    0s

Cutting planes:
  Gomory: 1
  Zero half: 50

Explored 42 nodes (1565 simplex iterations) in 0.08 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 4.700000000000e+01, best bound 4.700000000000e+01, gap 0.0%