Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:10:48 2012

Optimize a model with 87 rows, 89 columns and 304 nonzeros
Presolve removed 0 rows and 6 columns
Presolve time: 0.00s
Presolved: 87 rows, 83 columns, 298 nonzeros
Variable types: 0 continuous, 83 integer (82 binary)
Found heuristic solution: objective 18.0000000

Root relaxation: objective 0.000000e+00, 51 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   35   18.00000    0.00000   100%     -    0s
H    0     0                      15.0000000    0.00000   100%     -    0s
H    0     0                      14.0000000    0.00000   100%     -    0s
H    0     0                      10.0000000    0.00000   100%     -    0s
     0     0    0.23263    0   37   10.00000    0.23263  97.7%     -    0s
H    0     0                       7.0000000    0.23263  96.7%     -    0s
H    0     0                       5.0000000    0.23263  95.3%     -    0s
     0     0    0.67066    0   41    5.00000    0.67066  86.6%     -    0s
     0     0    0.67606    0   44    5.00000    0.67606  86.5%     -    0s
     0     0    0.67606    0   44    5.00000    0.67606  86.5%     -    0s
     0     2    0.67657    0   41    5.00000    0.67657  86.5%     -    0s
*   17    13              13       3.0000000    0.82527  72.5%   9.8    0s

Cutting planes:
  Gomory: 3
  Mod-K: 3

Explored 92 nodes (1359 simplex iterations) in 0.03 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%