Gurobi 5.0.1 (linux64) logging started Sun Nov 18 06:00:13 2012

Optimize a model with 427 rows, 409 columns and 1474 nonzeros
Presolve removed 0 rows and 22 columns
Presolve time: 0.00s
Presolved: 427 rows, 387 columns, 1452 nonzeros
Variable types: 0 continuous, 387 integer (386 binary)
Found heuristic solution: objective 77.0000000

Root relaxation: objective 0.000000e+00, 242 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  167   77.00000    0.00000   100%     -    0s
H    0     0                      71.0000000    0.00000   100%     -    0s
H    0     0                      62.0000000    0.00000   100%     -    0s
H    0     0                      56.0000000    0.00000   100%     -    0s
     0     0    0.41317    0  168   56.00000    0.41317  99.3%     -    0s
H    0     0                      41.0000000    0.41317  99.0%     -    0s
     0     0    1.00000    0  169   41.00000    1.00000  97.6%     -    0s
H    0     0                      24.0000000    1.00000  95.8%     -    0s
     0     0    1.00000    0  168   24.00000    1.00000  95.8%     -    0s
     0     0    1.00000    0  162   24.00000    1.00000  95.8%     -    0s
     0     2    1.00000    0  162   24.00000    1.00000  95.8%     -    0s
*   57    31              33      15.0000000    1.00000  93.3%  36.3    0s
*  191    93              14      14.0000000    3.22581  77.0%  30.2    0s
*  858    44              17      13.0000000   10.13514  22.0%  26.7    0s

Cutting planes:
  Gomory: 2
  Zero half: 9

Explored 921 nodes (25534 simplex iterations) in 1.04 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%