Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:31:55 2012

Optimize a model with 279 rows, 216 columns and 911 nonzeros
Presolve removed 0 rows and 1 columns
Presolve time: 0.00s
Presolved: 279 rows, 215 columns, 910 nonzeros
Variable types: 0 continuous, 215 integer (214 binary)
Found heuristic solution: objective 60.0000000

Root relaxation: objective 0.000000e+00, 100 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   75   60.00000    0.00000   100%     -    0s
H    0     0                      52.0000000    0.00000   100%     -    0s
H    0     0                      51.0000000    0.00000   100%     -    0s
     0     0    0.49333    0   76   51.00000    0.49333  99.0%     -    0s
H    0     0                      49.0000000    0.49333  99.0%     -    0s
     0     0    1.00000    0   78   49.00000    1.00000  98.0%     -    0s
H    0     0                      45.0000000    1.00000  97.8%     -    0s
     0     0    1.06598    0   83   45.00000    1.06598  97.6%     -    0s
H    0     0                      44.0000000    1.06598  97.6%     -    0s
H    0     0                      42.0000000    1.06598  97.5%     -    0s
     0     0    1.09408    0   86   42.00000    1.09408  97.4%     -    0s
H    0     0                      39.0000000    1.09408  97.2%     -    0s
     0     2    1.12814    0   86   39.00000    1.12814  97.1%     -    0s
H   27    26                      24.0000000    3.91638  83.7%  32.6    0s
*  182    75              15      23.0000000    9.28984  59.6%  28.5    0s
* 1178   100              26      22.0000000   14.91731  32.2%  21.2    0s

Explored 2039 nodes (41008 simplex iterations) in 1.40 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 2.200000000000e+01, best bound 2.200000000000e+01, gap 0.0%