Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:50:57 2012

Optimize a model with 391 rows, 375 columns and 1350 nonzeros
Presolve removed 0 rows and 19 columns
Presolve time: 0.00s
Presolved: 391 rows, 356 columns, 1331 nonzeros
Variable types: 0 continuous, 356 integer (355 binary)
Found heuristic solution: objective 70.0000000

Root relaxation: objective 0.000000e+00, 237 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  149   70.00000    0.00000   100%     -    0s
H    0     0                      54.0000000    0.00000   100%     -    0s
H    0     0                      53.0000000    0.00000   100%     -    0s
     0     0    0.35293    0  150   53.00000    0.35293  99.3%     -    0s
H    0     0                      41.0000000    0.35293  99.1%     -    0s
     0     0    1.00000    0  152   41.00000    1.00000  97.6%     -    0s
H    0     0                      28.0000000    1.00000  96.4%     -    0s
     0     0    1.00000    0  151   28.00000    1.00000  96.4%     -    0s
     0     2    1.00000    0  149   28.00000    1.00000  96.4%     -    0s
H   27    27                      17.0000000    1.85483  89.1%  45.4    0s
*   46    33              25      16.0000000    1.85483  88.4%  32.5    0s
H   81    46                      15.0000000    1.93122  87.1%  26.9    0s
*  161    61              14      14.0000000    5.77465  58.8%  28.9    0s
*  290    50              14      13.0000000    7.03226  45.9%  27.0    0s

Cutting planes:
  Gomory: 2

Explored 439 nodes (12242 simplex iterations) in 0.47 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 1.300000000000e+01, best bound 1.300000000000e+01, gap 0.0%