Gurobi 5.0.1 (linux64) logging started Fri Nov 16 08:38:42 2012
Optimize a model with 12991 rows, 4160 columns and 42814 nonzeros
Presolve removed 2 rows and 2 columns
Presolve time: 0.40s
Presolved: 13053 rows, 4158 columns, 46504 nonzeros
Variable types: 0 continuous, 4158 integer (4158 binary)
Found heuristic solution: objective 64.0000000
Root relaxation: objective 2.000000e+00, 3163 iterations, 0.10 seconds
Nodes | Current Node | Objective Bounds | Work
Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time
0 0 2.00000 0 128 64.00000 2.00000 96.9% - 0s
H 0 0 63.0000000 2.00000 96.8% - 0s
H 0 0 5.0000000 2.00000 60.0% - 0s
0 0 3.00000 0 1902 5.00000 3.00000 40.0% - 2s
0 0 3.00813 0 2772 5.00000 3.00813 39.8% - 3s
0 0 3.00813 0 2790 5.00000 3.00813 39.8% - 5s
0 0 3.00813 0 2656 5.00000 3.00813 39.8% - 10s
0 0 3.00813 0 2458 5.00000 3.00813 39.8% - 18s
0 0 3.00813 0 2563 5.00000 3.00813 39.8% - 25s
0 0 3.00813 0 2532 5.00000 3.00813 39.8% - 31s
0 0 3.00813 0 2462 5.00000 3.00813 39.8% - 37s
0 0 3.00813 0 2599 5.00000 3.00813 39.8% - 41s
0 0 3.00813 0 2667 5.00000 3.00813 39.8% - 47s
0 0 3.00813 0 2567 5.00000 3.00813 39.8% - 53s
0 0 3.00813 0 2619 5.00000 3.00813 39.8% - 58s
0 0 3.00813 0 1984 5.00000 3.00813 39.8% - 64s
H 0 0 4.0000000 3.00813 24.8% - 64s
Cutting planes:
Clique: 9
Zero half: 1
Explored 0 nodes (245378 simplex iterations) in 64.18 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%