Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:40:29 2012

Optimize a model with 327 rows, 335 columns and 1150 nonzeros
Presolve removed 0 rows and 22 columns
Presolve time: 0.00s
Presolved: 327 rows, 313 columns, 1128 nonzeros
Variable types: 0 continuous, 313 integer (312 binary)
Found heuristic solution: objective 58.0000000

Root relaxation: objective 0.000000e+00, 200 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  126   58.00000    0.00000   100%     -    0s
H    0     0                      45.0000000    0.00000   100%     -    0s
H    0     0                      37.0000000    0.00000   100%     -    0s
H    0     0                      33.0000000    0.00000   100%     -    0s
     0     0    0.14565    0  128   33.00000    0.14565   100%     -    0s
H    0     0                      28.0000000    0.14565  99.5%     -    0s
     0     0    0.75091    0  134   28.00000    0.75091  97.3%     -    0s
H    0     0                      25.0000000    0.75091  97.0%     -    0s
H    0     0                      16.0000000    0.75091  95.3%     -    0s
     0     2    0.75668    0  134   16.00000    0.75668  95.3%     -    0s
H   27    27                      13.0000000    1.00000  92.3%  28.6    0s
*   34    26              27       7.0000000    1.00000  85.7%  26.3    0s
H   54    23                       6.0000000    1.00000  83.3%  23.3    0s
H   63    20                       5.0000000    1.00000  80.0%  24.1    0s
*  105    11              13       4.0000000    1.00000  75.0%  32.0    0s

Cutting planes:
  Gomory: 4
  Mod-K: 2

Explored 131 nodes (5829 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%