Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:52:53 2012 Optimize a model with 375 rows, 371 columns and 1306 nonzeros Presolve removed 0 rows and 27 columns Presolve time: 0.00s Presolved: 375 rows, 344 columns, 1279 nonzeros Variable types: 0 continuous, 344 integer (343 binary) Found heuristic solution: objective 63.0000000 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 0 144 63.00000 0.00000 100% - 0s H 0 0 59.0000000 0.00000 100% - 0s H 0 0 43.0000000 0.00000 100% - 0s H 0 0 39.0000000 0.00000 100% - 0s 0 0 0.33679 0 146 39.00000 0.33679 99.1% - 0s H 0 0 35.0000000 0.33679 99.0% - 0s 0 0 0.85037 0 148 35.00000 0.85037 97.6% - 0s H 0 0 26.0000000 0.85037 96.7% - 0s H 0 0 24.0000000 0.85037 96.5% - 0s 0 0 0.85037 0 148 24.00000 0.85037 96.5% - 0s H 0 0 22.0000000 0.85037 96.1% - 0s H 0 0 19.0000000 0.85037 95.5% - 0s 0 2 0.85228 0 148 19.00000 0.85228 95.5% - 0s H 27 27 13.0000000 2.08756 83.9% 27.3 0s * 37 29 20 11.0000000 2.08756 81.0% 22.9 0s * 60 35 15 10.0000000 2.13117 78.7% 21.3 0s Cutting planes: Gomory: 3 Explored 277 nodes (6762 simplex iterations) in 0.31 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%