Gurobi 5.0.1 (linux64) logging started Fri Nov 16 04:56:25 2012
Optimize a model with 8585 rows, 2862 columns and 28353 nonzeros
Presolve removed 2 rows and 2 columns
Presolve time: 0.17s
Presolved: 8583 rows, 2860 columns, 28029 nonzeros
Variable types: 0 continuous, 2860 integer (2860 binary)
Found heuristic solution: objective 53.0000000
Root relaxation: objective 2.000000e+00, 2072 iterations, 0.06 seconds
Nodes | Current Node | Objective Bounds | Work
Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time
0 0 2.00000 0 106 53.00000 2.00000 96.2% - 0s
H 0 0 49.0000000 2.00000 95.9% - 0s
H 0 0 4.0000000 2.00000 50.0% - 0s
0 0 2.66667 0 207 4.00000 2.66667 33.3% - 1s
0 0 2.67550 0 2644 4.00000 2.67550 33.1% - 1s
0 0 2.67550 0 2637 4.00000 2.67550 33.1% - 2s
0 0 2.67550 0 2646 4.00000 2.67550 33.1% - 3s
0 0 2.67550 0 2462 4.00000 2.67550 33.1% - 6s
0 0 2.67550 0 2319 4.00000 2.67550 33.1% - 10s
0 0 2.67550 0 2392 4.00000 2.67550 33.1% - 13s
0 0 2.67550 0 2360 4.00000 2.67550 33.1% - 17s
0 0 2.67550 0 2254 4.00000 2.67550 33.1% - 20s
0 0 2.67550 0 2428 4.00000 2.67550 33.1% - 24s
0 0 2.67550 0 2382 4.00000 2.67550 33.1% - 27s
0 0 2.67550 0 2346 4.00000 2.67550 33.1% - 31s
0 0 2.67550 0 2353 4.00000 2.67550 33.1% - 35s
0 0 2.67550 0 2366 4.00000 2.67550 33.1% - 38s
0 0 2.67550 0 2366 4.00000 2.67550 33.1% - 39s
0 1 3.00000 0 2366 4.00000 3.00000 25.0% - 46s
Cutting planes:
Clique: 99
Zero half: 13
Explored 12 nodes (149393 simplex iterations) in 48.72 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%