Gurobi 5.0.1 (linux64) logging started Sun Nov 18 00:04:42 2012 Optimize a model with 303 rows, 201 columns and 956 nonzeros Presolve time: 0.00s Presolved: 303 rows, 201 columns, 956 nonzeros Variable types: 0 continuous, 201 integer (201 binary) Found heuristic solution: objective 74.0000000 Root relaxation: objective 0.000000e+00, 77 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 50 74.00000 0.00000 100% - 0s H 0 0 73.0000000 0.00000 100% - 0s H 0 0 63.0000000 0.00000 100% - 0s 0 0 0.50000 0 51 63.00000 0.50000 99.2% - 0s H 0 0 59.0000000 0.50000 99.2% - 0s 0 0 0.81333 0 52 59.00000 0.81333 98.6% - 0s 0 0 0.81333 0 52 59.00000 0.81333 98.6% - 0s 0 0 0.94000 0 52 59.00000 0.94000 98.4% - 0s 0 0 0.96000 0 52 59.00000 0.96000 98.4% - 0s H 0 0 50.0000000 0.96000 98.1% - 0s 0 0 0.98000 0 53 50.00000 0.98000 98.0% - 0s H 0 0 49.0000000 0.98000 98.0% - 0s 0 0 0.98000 0 52 49.00000 0.98000 98.0% - 0s 0 0 0.98000 0 52 49.00000 0.98000 98.0% - 0s 0 2 1.00592 0 52 49.00000 1.00592 97.9% - 0s H 40 33 47.0000000 4.77081 89.8% 25.2 0s H 81 64 46.0000000 7.01333 84.8% 25.2 0s * 99 69 17 38.0000000 7.01333 81.5% 24.4 0s * 2593 239 30 37.0000000 27.61538 25.4% 17.6 1s Cutting planes: Gomory: 1 Zero half: 4 Explored 3752 nodes (63002 simplex iterations) in 2.62 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 3.700000000000e+01, best bound 3.700000000000e+01, gap 0.0%