Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:59:32 2012 Optimize a model with 385 rows, 387 columns and 1347 nonzeros Presolve removed 0 rows and 30 columns Presolve time: 0.00s Presolved: 385 rows, 357 columns, 1317 nonzeros Variable types: 0 continuous, 357 integer (356 binary) Found heuristic solution: objective 73.0000000 Root relaxation: objective 0.000000e+00, 229 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 0 155 73.00000 0.00000 100% - 0s H 0 0 55.0000000 0.00000 100% - 0s H 0 0 54.0000000 0.00000 100% - 0s H 0 0 49.0000000 0.00000 100% - 0s 0 0 0.29589 0 156 49.00000 0.29589 99.4% - 0s H 0 0 41.0000000 0.29589 99.3% - 0s H 0 0 29.0000000 0.29589 99.0% - 0s 0 0 1.00000 0 158 29.00000 1.00000 96.6% - 0s H 0 0 22.0000000 1.00000 95.5% - 0s 0 0 1.00000 0 159 22.00000 1.00000 95.5% - 0s 0 0 1.00000 0 157 22.00000 1.00000 95.5% - 0s 0 2 1.00000 0 157 22.00000 1.00000 95.5% - 0s H 27 27 15.0000000 1.00000 93.3% 38.8 0s * 39 21 25 10.0000000 1.00000 90.0% 33.7 0s * 71 19 7 9.0000000 1.36842 84.8% 37.5 0s Cutting planes: Gomory: 3 Explored 117 nodes (5476 simplex iterations) in 0.25 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 9.000000000000e+00, best bound 9.000000000000e+00, gap 0.0%