Gurobi 5.0.1 (linux64) logging started Sun Nov 18 03:13:45 2012 Optimize a model with 179 rows, 149 columns and 594 nonzeros Presolve removed 0 rows and 1 columns Presolve time: 0.00s Presolved: 179 rows, 148 columns, 593 nonzeros Variable types: 0 continuous, 148 integer (147 binary) Found heuristic solution: objective 39.0000000 Root relaxation: objective 0.000000e+00, 97 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 58 39.00000 0.00000 100% - 0s H 0 0 28.0000000 0.00000 100% - 0s 0 0 0.64368 0 59 28.00000 0.64368 97.7% - 0s H 0 0 25.0000000 0.64368 97.4% - 0s 0 0 1.00000 0 60 25.00000 1.00000 96.0% - 0s 0 0 1.22293 0 62 25.00000 1.22293 95.1% - 0s H 0 0 21.0000000 1.22293 94.2% - 0s H 0 0 16.0000000 1.22293 92.4% - 0s 0 0 1.45361 0 62 16.00000 1.45361 90.9% - 0s H 0 0 15.0000000 1.45361 90.3% - 0s 0 0 1.46642 0 62 15.00000 1.46642 90.2% - 0s 0 0 1.46642 0 62 15.00000 1.46642 90.2% - 0s H 0 0 14.0000000 1.46642 89.5% - 0s 0 2 1.47126 0 62 14.00000 1.47126 89.5% - 0s * 21 15 12 13.0000000 2.45042 81.2% 23.1 0s * 79 34 12 12.0000000 4.97021 58.6% 21.2 0s * 95 32 8 11.0000000 5.30449 51.8% 20.6 0s Cutting planes: Gomory: 4 Mod-K: 2 Explored 193 nodes (4007 simplex iterations) in 0.19 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.100000000000e+01, best bound 1.100000000000e+01, gap 0.0%