Gurobi 5.0.1 (linux64) logging started Sun Nov 18 01:50:36 2012
Optimize a model with 421 rows, 272 columns and 1322 nonzeros
Presolve time: 0.00s
Presolved: 421 rows, 272 columns, 1322 nonzeros
Variable types: 0 continuous, 272 integer (272 binary)
Found heuristic solution: objective 100.0000000
Root relaxation: objective 0.000000e+00, 109 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 62 100.00000 0.00000 100% - 0s
H 0 0 81.0000000 0.00000 100% - 0s
0 0 0.83883 0 67 81.00000 0.83883 99.0% - 0s
H 0 0 74.0000000 0.83883 98.9% - 0s
0 0 0.92157 0 70 74.00000 0.92157 98.8% - 0s
0 0 0.95000 0 64 74.00000 0.95000 98.7% - 0s
0 0 0.98333 0 64 74.00000 0.98333 98.7% - 0s
0 0 1.00000 0 64 74.00000 1.00000 98.6% - 0s
0 0 1.00000 0 64 74.00000 1.00000 98.6% - 0s
0 0 1.00000 0 64 74.00000 1.00000 98.6% - 0s
0 2 1.09612 0 64 74.00000 1.09612 98.5% - 0s
* 49 49 27 67.0000000 6.79832 89.9% 31.0 0s
H 54 44 66.0000000 6.81139 89.7% 30.5 0s
H 189 140 61.0000000 10.08502 83.5% 26.9 0s
* 422 316 23 60.0000000 15.63636 73.9% 25.2 0s
* 445 314 22 58.0000000 15.67347 73.0% 24.9 0s
* 822 481 30 54.0000000 19.87805 63.2% 25.8 1s
4383 883 43.62745 18 128 54.00000 35.35294 34.5% 22.4 5s
10167 928 48.24000 20 138 54.00000 41.28125 23.6% 21.1 10s
Cutting planes:
Gomory: 1
Zero half: 4
Explored 15282 nodes (309911 simplex iterations) in 13.61 seconds
Thread count was 1 (of 16 available processors)
Optimal solution found (tolerance 1.00e-04)
Best objective 5.400000000000e+01, best bound 5.400000000000e+01, gap 0.0%