Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:53:24 2012

Optimize a model with 345 rows, 357 columns and 1217 nonzeros
Presolve removed 0 rows and 30 columns
Presolve time: 0.00s
Presolved: 345 rows, 327 columns, 1187 nonzeros
Variable types: 0 continuous, 327 integer (326 binary)
Found heuristic solution: objective 57.0000000

Root relaxation: objective 0.000000e+00, 224 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  144   57.00000    0.00000   100%     -    0s
H    0     0                      46.0000000    0.00000   100%     -    0s
H    0     0                      43.0000000    0.00000   100%     -    0s
H    0     0                      34.0000000    0.00000   100%     -    0s
     0     0    0.24130    0  146   34.00000    0.24130  99.3%     -    0s
H    0     0                      25.0000000    0.24130  99.0%     -    0s
H    0     0                      21.0000000    0.24130  98.9%     -    0s
     0     0    0.80397    0  153   21.00000    0.80397  96.2%     -    0s
H    0     0                      17.0000000    0.80397  95.3%     -    0s
     0     0    0.80397    0  157   17.00000    0.80397  95.3%     -    0s
     0     0    0.80397    0  154   17.00000    0.80397  95.3%     -    0s
H    0     0                      11.0000000    0.80397  92.7%     -    0s
     0     2    0.82259    0  154   11.00000    0.82259  92.5%     -    0s
H   27    27                       9.0000000    0.89512  90.1%  21.0    0s
H   39    19                       6.0000000    0.89512  85.1%  16.3    0s

Cutting planes:
  Gomory: 4
  Zero half: 1
  Mod-K: 2

Explored 369 nodes (8028 simplex iterations) in 0.32 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 6.000000000000e+00, best bound 6.000000000000e+00, gap 0.0%