Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:09:53 2012

Optimize a model with 83 rows, 79 columns and 284 nonzeros
Presolve removed 0 rows and 1 columns
Presolve time: 0.00s
Presolved: 83 rows, 78 columns, 283 nonzeros
Variable types: 0 continuous, 78 integer (77 binary)
Found heuristic solution: objective 15.0000000

Root relaxation: objective 0.000000e+00, 54 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   36   15.00000    0.00000   100%     -    0s
H    0     0                      10.0000000    0.00000   100%     -    0s
H    0     0                       9.0000000    0.00000   100%     -    0s
     0     0    0.46575    0   38    9.00000    0.46575  94.8%     -    0s
H    0     0                       5.0000000    0.46575  90.7%     -    0s
     0     0    0.87509    0   42    5.00000    0.87509  82.5%     -    0s
     0     0    0.87771    0   42    5.00000    0.87771  82.4%     -    0s
     0     0    0.87771    0   42    5.00000    0.87771  82.4%     -    0s
H    0     0                       4.0000000    0.87771  78.1%     -    0s
     0     2    0.88213    0   42    4.00000    0.88213  77.9%     -    0s
*   17     3               8       3.0000000    2.48707  17.1%  14.5    0s

Cutting planes:
  Gomory: 3
  Zero half: 1

Explored 18 nodes (490 simplex iterations) in 0.04 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%