Gurobi 5.0.1 (linux64) logging started Sun Nov 18 06:00:15 2012 Optimize a model with 429 rows, 410 columns and 1480 nonzeros Presolve removed 0 rows and 14 columns Presolve time: 0.00s Presolved: 429 rows, 396 columns, 1466 nonzeros Variable types: 0 continuous, 396 integer (395 binary) Found heuristic solution: objective 82.0000000 Root relaxation: objective 0.000000e+00, 250 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 0 162 82.00000 0.00000 100% - 0s H 0 0 57.0000000 0.00000 100% - 0s 0 0 0.37710 0 163 57.00000 0.37710 99.3% - 0s H 0 0 47.0000000 0.37710 99.2% - 0s 0 0 1.00000 0 167 47.00000 1.00000 97.9% - 0s H 0 0 31.0000000 1.00000 96.8% - 0s 0 0 1.00000 0 166 31.00000 1.00000 96.8% - 0s H 0 0 29.0000000 1.00000 96.6% - 0s 0 0 1.00000 0 167 29.00000 1.00000 96.6% - 0s 0 0 1.00000 0 162 29.00000 1.00000 96.6% - 0s H 0 0 24.0000000 1.00000 95.8% - 0s 0 2 1.00000 0 162 24.00000 1.00000 95.8% - 0s * 55 35 35 14.0000000 2.91304 79.2% 26.5 0s * 146 64 16 13.0000000 5.18000 60.2% 23.7 0s Cutting planes: Gomory: 2 Explored 460 nodes (12661 simplex iterations) in 0.57 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.300000000000e+01, best bound 1.300000000000e+01, gap 0.0%