Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:51:54 2012 Optimize a model with 393 rows, 378 columns and 1358 nonzeros Presolve removed 0 rows and 17 columns Presolve time: 0.00s Presolved: 393 rows, 361 columns, 1341 nonzeros Variable types: 0 continuous, 361 integer (360 binary) Found heuristic solution: objective 74.0000000 Root relaxation: objective 0.000000e+00, 214 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 0 156 74.00000 0.00000 100% - 0s H 0 0 42.0000000 0.00000 100% - 0s 0 0 0.40642 0 159 42.00000 0.40642 99.0% - 0s H 0 0 35.0000000 0.40642 98.8% - 0s 0 0 0.95050 0 160 35.00000 0.95050 97.3% - 0s H 0 0 25.0000000 0.95050 96.2% - 0s 0 0 0.95077 0 163 25.00000 0.95077 96.2% - 0s 0 0 0.95077 0 161 25.00000 0.95077 96.2% - 0s 0 2 0.95302 0 161 25.00000 0.95302 96.2% - 0s * 31 16 19 10.0000000 2.11913 78.8% 35.9 0s Cutting planes: Gomory: 3 Zero half: 2 Explored 121 nodes (4643 simplex iterations) in 0.21 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%