Gurobi 5.0.1 (linux64) logging started Fri Nov 16 01:17:09 2012
Optimize a model with 4725 rows, 756 columns and 14823 nonzeros
Presolve time: 0.05s
Presolved: 4725 rows, 756 columns, 21470 nonzeros
Variable types: 0 continuous, 756 integer (756 binary)
Found heuristic solution: objective 12.0000000
Root relaxation: objective 2.000000e+00, 1023 iterations, 0.04 seconds
Nodes | Current Node | Objective Bounds | Work
Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time
0 0 2.00000 0 54 12.00000 2.00000 83.3% - 0s
H 0 0 11.0000000 2.00000 81.8% - 0s
H 0 0 9.0000000 2.00000 77.8% - 0s
0 0 2.00000 0 54 9.00000 2.00000 77.8% - 0s
0 0 2.00000 0 54 9.00000 2.00000 77.8% - 0s
H 0 0 8.0000000 2.00000 75.0% - 0s
0 0 2.00000 0 54 8.00000 2.00000 75.0% - 0s
0 0 2.00000 0 54 8.00000 2.00000 75.0% - 1s
0 0 2.00000 0 54 8.00000 2.00000 75.0% - 1s
0 2 2.00000 0 54 8.00000 2.00000 75.0% - 2s
46 26 4.00000 7 74 8.00000 3.00000 62.5% 424 5s
H 64 31 7.0000000 3.00000 57.1% 460 6s
150 49 5.00000 3 94 7.00000 4.00000 42.9% 371 10s
356 98 5.00000 9 44 7.00000 4.50000 35.7% 244 15s
601 145 5.00000 12 54 7.00000 5.00000 28.6% 193 20s
615 158 6.00000 29 115 7.00000 6.00000 14.3% 228 25s
690 154 infeasible 41 7.00000 6.00000 14.3% 228 30s
871 103 6.00000 36 24 7.00000 6.00000 14.3% 229 35s
1093 34 infeasible 38 7.00000 6.00000 14.3% 234 40s
1299 20 6.00000 37 74 7.00000 6.00000 14.3% 236 45s
1591 10 6.00000 41 102 7.00000 6.00000 14.3% 229 50s
Explored 1650 nodes (381210 simplex iterations) in 50.80 seconds
Thread count was 1 (of 16 available processors)
Optimal solution found (tolerance 1.00e-04)
Best objective 7.000000000000e+00, best bound 7.000000000000e+00, gap 0.0%