Gurobi 5.0.1 (linux64) logging started Mon Nov 19 06:52:19 2012 Optimize a model with 2989 rows, 110 columns and 5978 nonzeros Presolve removed 2112 rows and 0 columns Presolve time: 0.09s Presolved: 877 rows, 110 columns, 5906 nonzeros Variable types: 0 continuous, 110 integer (110 binary) Found heuristic solution: objective 6.0000000 Root relaxation: objective 1.558294e+01, 430 iterations, 0.02 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 15.58294 0 100 6.00000 15.58294 160% - 0s H 0 0 7.0000000 15.58294 123% - 0s 0 0 14.77603 0 110 7.00000 14.77603 111% - 0s H 0 0 8.0000000 14.77603 84.7% - 0s 0 0 14.72880 0 108 8.00000 14.72880 84.1% - 0s H 0 0 9.0000000 14.72880 63.7% - 0s 0 0 14.70188 0 108 9.00000 14.70188 63.4% - 0s 0 0 14.67281 0 109 9.00000 14.67281 63.0% - 0s 0 0 14.66476 0 110 9.00000 14.66476 62.9% - 0s 0 0 14.65759 0 110 9.00000 14.65759 62.9% - 0s 0 0 14.65595 0 110 9.00000 14.65595 62.8% - 1s 0 0 14.65389 0 110 9.00000 14.65389 62.8% - 1s 0 0 14.65322 0 110 9.00000 14.65322 62.8% - 1s 0 2 14.65283 0 110 9.00000 14.65283 62.8% - 1s * 246 34 6 10.0000000 12.07079 20.7% 63.4 2s Cutting planes: Clique: 102 Explored 281 nodes (17142 simplex iterations) in 2.61 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%