Gurobi 5.0.1 (linux64) logging started Mon Nov 19 06:52:03 2012 Optimize a model with 2981 rows, 109 columns and 5962 nonzeros Presolve removed 2144 rows and 0 columns Presolve time: 0.09s Presolved: 837 rows, 109 columns, 5743 nonzeros Variable types: 0 continuous, 109 integer (109 binary) Found heuristic solution: objective 6.0000000 Root relaxation: objective 1.490921e+01, 428 iterations, 0.02 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 14.90921 0 104 6.00000 14.90921 148% - 0s H 0 0 7.0000000 14.90921 113% - 0s H 0 0 8.0000000 14.90921 86.4% - 0s 0 0 14.42733 0 107 8.00000 14.42733 80.3% - 0s H 0 0 9.0000000 14.42733 60.3% - 0s 0 0 14.37551 0 107 9.00000 14.37551 59.7% - 0s 0 0 14.33946 0 107 9.00000 14.33946 59.3% - 0s 0 0 14.33395 0 108 9.00000 14.33395 59.3% - 0s 0 0 14.32439 0 108 9.00000 14.32439 59.2% - 0s 0 0 14.30183 0 107 9.00000 14.30183 58.9% - 1s 0 0 14.30057 0 108 9.00000 14.30057 58.9% - 1s 0 0 14.30009 0 107 9.00000 14.30009 58.9% - 1s 0 0 14.29535 0 107 9.00000 14.29535 58.8% - 1s 0 0 14.29406 0 108 9.00000 14.29406 58.8% - 1s 0 0 14.29395 0 108 9.00000 14.29395 58.8% - 1s 0 0 14.29390 0 108 9.00000 14.29390 58.8% - 2s 0 2 14.29354 0 108 9.00000 14.29354 58.8% - 2s H 170 32 10.0000000 12.36522 23.7% 65.0 2s Cutting planes: Clique: 93 Explored 205 nodes (13291 simplex iterations) in 2.94 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.000000000000e+01, best bound 1.000000000000e+01, gap 0.0%