Gurobi 5.0.1 (linux64) logging started Sat Nov 17 23:37:58 2012

Optimize a model with 55 rows, 50 columns and 185 nonzeros
Presolve time: 0.00s
Presolved: 55 rows, 50 columns, 185 nonzeros
Variable types: 0 continuous, 50 integer (50 binary)
Found heuristic solution: objective 11.0000000

Root relaxation: objective 0.000000e+00, 37 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   22   11.00000    0.00000   100%     -    0s
H    0     0                       9.0000000    0.00000   100%     -    0s
H    0     0                       8.0000000    0.00000   100%     -    0s
H    0     0                       7.0000000    0.00000   100%     -    0s
     0     0    0.58824    0   24    7.00000    0.58824  91.6%     -    0s
     0     0    1.03072    0   27    7.00000    1.03072  85.3%     -    0s
H    0     0                       5.0000000    1.03072  79.4%     -    0s
H    0     0                       3.0000000    1.03072  65.6%     -    0s
     0     0    1.05475    0   27    3.00000    1.05475  64.8%     -    0s
     0     0    1.08229    0   30    3.00000    1.08229  63.9%     -    0s
H    0     0                       2.0000000    1.08229  45.9%     -    0s

Cutting planes:
  Gomory: 3
  Zero half: 3
  Mod-K: 1

Explored 0 nodes (145 simplex iterations) in 0.01 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.000000000000e+00, best bound 2.000000000000e+00, gap 0.0%