Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:50:26 2012

Optimize a model with 325 rows, 341 columns and 1151 nonzeros
Presolve removed 0 rows and 23 columns
Presolve time: 0.00s
Presolved: 325 rows, 318 columns, 1128 nonzeros
Variable types: 0 continuous, 318 integer (317 binary)
Found heuristic solution: objective 53.0000000

Root relaxation: objective 0.000000e+00, 226 iterations, 0.00 seconds

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

     0     0    0.00000    0  140   53.00000    0.00000   100%     -    0s
H    0     0                      43.0000000    0.00000   100%     -    0s
H    0     0                      41.0000000    0.00000   100%     -    0s
     0     0    0.17485    0  142   41.00000    0.17485   100%     -    0s
H    0     0                      23.0000000    0.17485  99.2%     -    0s
     0     0    0.79067    0  145   23.00000    0.79067  96.6%     -    0s
H    0     0                       9.0000000    0.79067  91.2%     -    0s
     0     0    0.79067    0  145    9.00000    0.79067  91.2%     -    0s
H    0     0                       5.0000000    0.79067  84.2%     -    0s
     0     2    0.80182    0  145    5.00000    0.80182  84.0%     -    0s
H   77    16                       4.0000000    1.00000  75.0%  26.6    0s

Cutting planes:
  Gomory: 4
  Zero half: 1

Explored 141 nodes (5478 simplex iterations) in 0.21 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 4.000000000000e+00, best bound 4.000000000000e+00, gap 0.0%