Gurobi 5.0.1 (linux64) logging started Sun Nov 18 06:00:14 2012 Optimize a model with 403 rows, 397 columns and 1402 nonzeros Presolve removed 0 rows and 23 columns Presolve time: 0.00s Presolved: 403 rows, 374 columns, 1379 nonzeros Variable types: 0 continuous, 374 integer (373 binary) Found heuristic solution: objective 75.0000000 Root relaxation: objective 0.000000e+00, 216 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 0 159 75.00000 0.00000 100% - 0s H 0 0 65.0000000 0.00000 100% - 0s H 0 0 49.0000000 0.00000 100% - 0s H 0 0 44.0000000 0.00000 100% - 0s 0 0 0.31130 0 161 44.00000 0.31130 99.3% - 0s H 0 0 41.0000000 0.31130 99.2% - 0s 0 0 0.84391 0 165 41.00000 0.84391 97.9% - 0s H 0 0 37.0000000 0.84391 97.7% - 0s H 0 0 29.0000000 0.84391 97.1% - 0s 0 0 0.84391 0 165 29.00000 0.84391 97.1% - 0s H 0 0 26.0000000 0.84391 96.8% - 0s H 0 0 25.0000000 0.84391 96.6% - 0s 0 2 0.84845 0 165 25.00000 0.84845 96.6% - 0s * 35 26 22 12.0000000 1.00000 91.7% 33.6 0s * 76 30 24 11.0000000 1.00000 90.9% 26.4 0s * 127 29 41 10.0000000 1.00000 90.0% 22.5 0s Cutting planes: Gomory: 3 Mod-K: 1 Explored 338 nodes (11390 simplex iterations) in 0.45 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%