Gurobi 5.0.1 (linux64) logging started Sun Nov 18 06:05:26 2012 Optimize a model with 465 rows, 434 columns and 1594 nonzeros Presolve removed 0 rows and 24 columns Presolve time: 0.00s Presolved: 465 rows, 410 columns, 1570 nonzeros Variable types: 0 continuous, 410 integer (409 binary) Found heuristic solution: objective 90.0000000 Root relaxation: objective 0.000000e+00, 255 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 0 175 90.00000 0.00000 100% - 0s H 0 0 66.0000000 0.00000 100% - 0s H 0 0 64.0000000 0.00000 100% - 0s H 0 0 57.0000000 0.00000 100% - 0s 0 0 0.28298 0 177 57.00000 0.28298 100% - 0s H 0 0 55.0000000 0.28298 99.5% - 0s 0 0 0.97147 0 180 55.00000 0.97147 98.2% - 0s H 0 0 54.0000000 0.97147 98.2% - 0s 0 0 0.97256 0 181 54.00000 0.97256 98.2% - 0s 0 0 0.97256 0 181 54.00000 0.97256 98.2% - 0s H 0 0 47.0000000 0.97256 97.9% - 0s H 0 0 38.0000000 0.97256 97.4% - 0s H 0 0 36.0000000 0.97256 97.3% - 0s 0 2 1.01132 0 181 36.00000 1.01132 97.2% - 0s H 27 27 32.0000000 2.70469 91.5% 36.9 0s * 73 35 51 19.0000000 2.70469 85.8% 21.7 0s * 101 40 15 18.0000000 2.70961 84.9% 22.8 0s * 124 44 12 17.0000000 3.14286 81.5% 23.7 0s H 356 65 16.0000000 9.52500 40.5% 26.2 0s Cutting planes: Gomory: 4 Mod-K: 1 Explored 592 nodes (16258 simplex iterations) in 0.69 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.600000000000e+01, best bound 1.600000000000e+01, gap 0.0%