Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:55:47 2013 Optimize a model with 385 rows, 12285 columns and 24535 nonzeros Presolve time: 0.02s Presolved: 385 rows, 12285 columns, 24535 nonzeros Variable types: 12250 continuous, 35 integer (35 binary) Root relaxation: objective 3.540607e+04, 572 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 35406.0684 0 6 - 35406.0684 - - 0s H 0 0 35874.000000 35406.0684 1.30% - 0s 0 0 35764.8958 0 4 35874.0000 35764.8958 0.30% - 0s H 0 0 35854.000000 35764.8958 0.25% - 0s 0 0 35770.5726 0 4 35854.0000 35770.5726 0.23% - 0s 0 0 35771.4957 0 3 35854.0000 35771.4957 0.23% - 0s 0 0 35771.4957 0 3 35854.0000 35771.4957 0.23% - 0s 0 0 35771.4957 0 3 35854.0000 35771.4957 0.23% - 0s 0 0 35791.0507 0 3 35854.0000 35791.0507 0.18% - 0s 0 0 35791.0507 0 6 35854.0000 35791.0507 0.18% - 0s 0 0 35793.7477 0 4 35854.0000 35793.7477 0.17% - 0s 0 0 35796.2636 0 3 35854.0000 35796.2636 0.16% - 0s 0 0 35796.3981 0 3 35854.0000 35796.3981 0.16% - 0s 0 0 35796.3981 0 3 35854.0000 35796.3981 0.16% - 0s 0 0 35796.4484 0 4 35854.0000 35796.4484 0.16% - 0s 0 0 35796.5264 0 5 35854.0000 35796.5264 0.16% - 0s 0 0 35796.5375 0 3 35854.0000 35796.5375 0.16% - 0s H 0 0 35843.000000 35796.5375 0.13% - 0s 0 2 35799.8328 0 3 35843.0000 35799.8328 0.12% - 0s Cutting planes: Implied bound: 33 Flow cover: 11 Explored 7 nodes (1443 simplex iterations) in 0.39 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 3.584300000000e+04, best bound 3.584206325301e+04, gap 0.0026%