Gurobi 5.0.1 (linux64) logging started Sun Nov 18 07:01:11 2012 Optimize a model with 527 rows, 488 columns and 1803 nonzeros Presolve removed 0 rows and 21 columns Presolve time: 0.00s Presolved: 527 rows, 467 columns, 1782 nonzeros Variable types: 0 continuous, 467 integer (466 binary) Found heuristic solution: objective 104.0000000 Root relaxation: objective 0.000000e+00, 281 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 0 199 104.00000 0.00000 100% - 0s H 0 0 102.0000000 0.00000 100% - 0s H 0 0 90.0000000 0.00000 100% - 0s H 0 0 89.0000000 0.00000 100% - 0s H 0 0 87.0000000 0.00000 100% - 0s 0 0 0.48254 0 200 87.00000 0.48254 99.4% - 0s H 0 0 67.0000000 0.48254 99.3% - 0s H 0 0 61.0000000 0.48254 99.2% - 0s 0 0 1.19135 0 202 61.00000 1.19135 98.0% - 0s H 0 0 56.0000000 1.19135 97.9% - 0s 0 0 1.51676 0 203 56.00000 1.51676 97.3% - 0s H 0 0 52.0000000 1.51676 97.1% - 0s 0 0 1.51827 0 204 52.00000 1.51827 97.1% - 0s 0 0 1.51827 0 204 52.00000 1.51827 97.1% - 0s H 0 0 51.0000000 1.51827 97.0% - 0s H 0 0 48.0000000 1.51827 96.8% - 0s H 0 0 45.0000000 1.51827 96.6% - 0s 0 2 1.52117 0 204 45.00000 1.52117 96.6% - 0s H 27 27 42.0000000 1.71961 95.9% 37.4 0s * 35 31 19 17.0000000 1.71961 89.9% 39.5 0s Cutting planes: Gomory: 4 Zero half: 1 Explored 777 nodes (29797 simplex iterations) in 1.39 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.700000000000e+01, best bound 1.700000000000e+01, gap 0.0%