Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:57:25 2012 Optimize a model with 407 rows, 395 columns and 1410 nonzeros Presolve removed 0 rows and 26 columns Presolve time: 0.00s Presolved: 407 rows, 369 columns, 1384 nonzeros Variable types: 0 continuous, 369 integer (368 binary) Found heuristic solution: objective 66.0000000 Root relaxation: objective 0.000000e+00, 201 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 0 149 66.00000 0.00000 100% - 0s H 0 0 50.0000000 0.00000 100% - 0s 0 0 0.26409 0 150 50.00000 0.26409 99.5% - 0s H 0 0 36.0000000 0.26409 99.3% - 0s 0 0 1.00000 0 157 36.00000 1.00000 97.2% - 0s H 0 0 33.0000000 1.00000 97.0% - 0s H 0 0 28.0000000 1.00000 96.4% - 0s 0 0 1.00000 0 152 28.00000 1.00000 96.4% - 0s H 0 0 24.0000000 1.00000 95.8% - 0s 0 0 1.00000 0 154 24.00000 1.00000 95.8% - 0s 0 0 1.00000 0 151 24.00000 1.00000 95.8% - 0s 0 2 1.00000 0 151 24.00000 1.00000 95.8% - 0s H 46 33 15.0000000 1.00000 93.3% 26.4 0s H 81 38 13.0000000 1.00000 92.3% 25.1 0s * 123 60 15 12.0000000 3.09375 74.2% 24.7 0s Cutting planes: Gomory: 3 Explored 545 nodes (13986 simplex iterations) in 0.58 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.200000000000e+01, best bound 1.200000000000e+01, gap 0.0%