Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:27:46 2012

Optimize a model with 265 rows, 286 columns and 946 nonzeros
Presolve removed 0 rows and 25 columns
Presolve time: 0.00s
Presolved: 265 rows, 261 columns, 921 nonzeros
Variable types: 0 continuous, 261 integer (260 binary)
Found heuristic solution: objective 43.0000000

Root relaxation: objective 0.000000e+00, 179 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  112   43.00000    0.00000   100%     -    0s
H    0     0                      41.0000000    0.00000   100%     -    0s
H    0     0                      28.0000000    0.00000   100%     -    0s
H    0     0                      20.0000000    0.00000   100%     -    0s
     0     0    0.22556    0  115   20.00000    0.22556  98.9%     -    0s
H    0     0                      16.0000000    0.22556  98.6%     -    0s
H    0     0                      14.0000000    0.22556  98.4%     -    0s
     0     0    0.85289    0  116   14.00000    0.85289  93.9%     -    0s
H    0     0                      13.0000000    0.85289  93.4%     -    0s
     0     0    0.85320    0  121   13.00000    0.85320  93.4%     -    0s
     0     0    0.85320    0  120   13.00000    0.85320  93.4%     -    0s
     0     2    0.85503    0  119   13.00000    0.85503  93.4%     -    0s
H   27    27                       6.0000000    1.00000  83.3%  30.4    0s
*   43    13              30       4.0000000    1.00000  75.0%  21.1    0s

Cutting planes:
  Gomory: 4
  Zero half: 3
  Mod-K: 1

Explored 93 nodes (3480 simplex iterations) in 0.13 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%