Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:56:13 2012 Optimize a model with 361 rows, 370 columns and 1270 nonzeros Presolve removed 0 rows and 19 columns Presolve time: 0.00s Presolved: 361 rows, 351 columns, 1251 nonzeros Variable types: 0 continuous, 351 integer (350 binary) Found heuristic solution: objective 65.0000000 Root relaxation: objective 0.000000e+00, 222 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 65.00000 0.00000 100% - 0s H 0 0 48.0000000 0.00000 100% - 0s H 0 0 47.0000000 0.00000 100% - 0s H 0 0 45.0000000 0.00000 100% - 0s 0 0 0.27600 0 148 45.00000 0.27600 99.4% - 0s H 0 0 41.0000000 0.27600 99.3% - 0s H 0 0 33.0000000 0.27600 99.2% - 0s 0 0 1.00000 0 153 33.00000 1.00000 97.0% - 0s H 0 0 30.0000000 1.00000 96.7% - 0s 0 0 1.00000 0 153 30.00000 1.00000 96.7% - 0s 0 0 1.00000 0 150 30.00000 1.00000 96.7% - 0s H 0 0 26.0000000 1.00000 96.2% - 0s H 0 0 24.0000000 1.00000 95.8% - 0s H 0 0 20.0000000 1.00000 95.0% - 0s H 0 0 17.0000000 1.00000 94.1% - 0s 0 2 1.00000 0 150 17.00000 1.00000 94.1% - 0s H 27 27 14.0000000 1.05928 92.4% 48.3 0s * 48 26 29 6.0000000 1.05928 82.3% 38.1 0s Cutting planes: Gomory: 3 Explored 274 nodes (11557 simplex iterations) in 0.37 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 6.000000000000e+00, best bound 6.000000000000e+00, gap 0.0%