Gurobi 5.0.1 (linux64) logging started Fri Nov 16 06:10:05 2012
Optimize a model with 10145 rows, 3306 columns and 33457 nonzeros
Presolve removed 2 rows and 2 columns
Presolve time: 0.23s
Presolved: 10200 rows, 3304 columns, 36350 nonzeros
Variable types: 0 continuous, 3304 integer (3304 binary)
Found heuristic solution: objective 57.0000000
Root relaxation: objective 2.000000e+00, 2463 iterations, 0.08 seconds
Nodes | Current Node | Objective Bounds | Work
Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time
0 0 2.00000 0 114 57.00000 2.00000 96.5% - 0s
H 0 0 44.0000000 2.00000 95.5% - 0s
H 0 0 5.0000000 2.00000 60.0% - 0s
0 0 2.66667 0 166 5.00000 2.66667 46.7% - 1s
H 0 0 4.0000000 2.66667 33.3% - 1s
0 0 2.67073 0 2865 4.00000 2.67073 33.2% - 1s
0 0 2.67073 0 2864 4.00000 2.67073 33.2% - 2s
0 0 2.67073 0 2854 4.00000 2.67073 33.2% - 3s
0 0 2.67073 0 2858 4.00000 2.67073 33.2% - 3s
0 0 2.67073 0 2554 4.00000 2.67073 33.2% - 5s
0 0 2.67073 0 2544 4.00000 2.67073 33.2% - 6s
0 0 2.67073 0 2540 4.00000 2.67073 33.2% - 7s
0 0 2.67073 0 2533 4.00000 2.67073 33.2% - 8s
0 0 2.67073 0 2458 4.00000 2.67073 33.2% - 9s
0 0 2.67073 0 2360 4.00000 2.67073 33.2% - 10s
0 0 2.67073 0 2413 4.00000 2.67073 33.2% - 11s
0 0 2.67073 0 2401 4.00000 2.67073 33.2% - 12s
0 0 2.67073 0 2358 4.00000 2.67073 33.2% - 12s
0 0 2.67073 0 2410 4.00000 2.67073 33.2% - 13s
0 0 2.67073 0 2427 4.00000 2.67073 33.2% - 14s
0 0 2.67073 0 2432 4.00000 2.67073 33.2% - 15s
0 0 2.67073 0 2432 4.00000 2.67073 33.2% - 16s
0 2 2.80000 0 2432 4.00000 2.80000 30.0% - 18s
8 0 cutoff 1 4.00000 4.00000 0.0% 1058 20s
Cutting planes:
Clique: 75
Zero half: 5
Explored 9 nodes (45605 simplex iterations) in 20.16 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%