Gurobi 5.0.1 (linux64) logging started Sun Nov 18 06:00:15 2012 Optimize a model with 365 rows, 378 columns and 1288 nonzeros Presolve removed 0 rows and 27 columns Presolve time: 0.00s Presolved: 365 rows, 351 columns, 1261 nonzeros Variable types: 0 continuous, 351 integer (350 binary) Found heuristic solution: objective 49.0000000 Root relaxation: objective 0.000000e+00, 210 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 0.00000 0 147 49.00000 0.00000 100% - 0s H 0 0 44.0000000 0.00000 100% - 0s H 0 0 43.0000000 0.00000 100% - 0s 0 0 0.29625 0 148 43.00000 0.29625 99.3% - 0s H 0 0 38.0000000 0.29625 99.2% - 0s 0 0 1.00000 0 150 38.00000 1.00000 97.4% - 0s H 0 0 36.0000000 1.00000 97.2% - 0s 0 0 1.00000 0 149 36.00000 1.00000 97.2% - 0s H 0 0 22.0000000 1.00000 95.5% - 0s 0 0 1.00000 0 152 22.00000 1.00000 95.5% - 0s 0 0 1.00000 0 133 22.00000 1.00000 95.5% - 0s H 0 0 20.0000000 1.00000 95.0% - 0s H 0 0 19.0000000 1.00000 94.7% - 0s 0 2 1.00000 0 133 19.00000 1.00000 94.7% - 0s * 69 38 45 9.0000000 1.80000 80.0% 17.1 0s * 131 34 34 8.0000000 3.68493 53.9% 15.3 0s * 169 25 14 7.0000000 4.15556 40.6% 16.2 0s Cutting planes: Gomory: 1 Explored 205 nodes (4942 simplex iterations) in 0.26 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%