Gurobi 5.0.1 (linux64) logging started Sun Nov 18 06:07:17 2012

Optimize a model with 399 rows, 403 columns and 1398 nonzeros
Presolve removed 0 rows and 25 columns
Presolve time: 0.00s
Presolved: 399 rows, 378 columns, 1373 nonzeros
Variable types: 0 continuous, 378 integer (377 binary)
Found heuristic solution: objective 74.0000000

Root relaxation: objective 0.000000e+00, 234 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  164   74.00000    0.00000   100%     -    0s
H    0     0                      65.0000000    0.00000   100%     -    0s
H    0     0                      50.0000000    0.00000   100%     -    0s
H    0     0                      48.0000000    0.00000   100%     -    0s
     0     0    0.32344    0  166   48.00000    0.32344  99.3%     -    0s
H    0     0                      47.0000000    0.32344  99.3%     -    0s
H    0     0                      43.0000000    0.32344  99.2%     -    0s
     0     0    0.77281    0  169   43.00000    0.77281  98.2%     -    0s
H    0     0                      25.0000000    0.77281  96.9%     -    0s
     0     0    0.77319    0  171   25.00000    0.77319  96.9%     -    0s
     0     0    0.77319    0  171   25.00000    0.77319  96.9%     -    0s
H    0     0                      24.0000000    0.77319  96.8%     -    0s
H    0     0                      19.0000000    0.77319  95.9%     -    0s
H    0     0                      15.0000000    0.77319  94.8%     -    0s
     0     2    1.00000    0  170   15.00000    1.00000  93.3%     -    0s
*   23    16              13       7.0000000    1.00269  85.7%  32.8    0s

Cutting planes:
  Gomory: 3
  Mod-K: 1

Explored 105 nodes (3813 simplex iterations) in 0.22 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 7.000000000000e+00, best bound 7.000000000000e+00, gap 0.0%