Gurobi 5.0.1 (linux64) logging started Wed Apr 24 01:48:22 2013 Optimize a model with 704 rows, 41024 columns and 81984 nonzeros Presolve time: 0.06s Presolved: 704 rows, 41024 columns, 81984 nonzeros Variable types: 40960 continuous, 64 integer (64 binary) Root relaxation: objective 8.040874e+04, 1927 iterations, 0.05 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 80408.7413 0 5 - 80408.7413 - - 0s H 0 0 82919.000000 80408.7413 3.03% - 0s H 0 0 81480.000000 80408.7413 1.31% - 0s H 0 0 80917.000000 80408.7413 0.63% - 0s 0 0 80467.1313 0 3 80917.0000 80467.1313 0.56% - 0s 0 0 80472.4913 0 2 80917.0000 80472.4913 0.55% - 0s 0 0 80472.4913 0 5 80917.0000 80472.4913 0.55% - 0s 0 0 80472.4913 0 3 80917.0000 80472.4913 0.55% - 0s 0 0 80472.4913 0 2 80917.0000 80472.4913 0.55% - 0s 0 0 80472.4913 0 2 80917.0000 80472.4913 0.55% - 0s 0 0 80472.4913 0 2 80917.0000 80472.4913 0.55% - 0s 0 0 80472.4913 0 2 80917.0000 80472.4913 0.55% - 0s 0 0 80472.4913 0 2 80917.0000 80472.4913 0.55% - 0s 0 2 80489.4134 0 2 80917.0000 80489.4134 0.53% - 0s H 6 4 80839.000000 80552.0811 0.35% 35.0 1s H 10 6 80795.000000 80552.0811 0.30% 26.6 1s * 11 5 10 80634.000000 80552.0811 0.10% 26.4 1s * 13 3 11 80601.000000 80552.0811 0.06% 23.3 1s * 15 3 6 80576.000000 80562.4483 0.02% 25.6 1s Cutting planes: Implied bound: 33 Flow cover: 2 Explored 19 nodes (4157 simplex iterations) in 1.20 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 8.057600000000e+04, best bound 8.057600000000e+04, gap 0.0%