Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:55:17 2013 Optimize a model with 374 rows, 11594 columns and 23154 nonzeros Presolve time: 0.02s Presolved: 374 rows, 11594 columns, 23154 nonzeros Variable types: 11560 continuous, 34 integer (34 binary) Root relaxation: objective 3.827215e+04, 530 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 38272.1457 0 7 - 38272.1457 - - 0s H 0 0 39041.000000 38272.1457 1.97% - 0s H 0 0 38533.000000 38272.1457 0.68% - 0s 0 0 38491.3549 0 4 38533.0000 38491.3549 0.11% - 0s 0 0 38503.2952 0 2 38533.0000 38503.2952 0.08% - 0s 0 0 38503.2952 0 7 38533.0000 38503.2952 0.08% - 0s 0 0 38503.2952 0 4 38533.0000 38503.2952 0.08% - 0s 0 0 38503.5531 0 2 38533.0000 38503.5531 0.08% - 0s 0 0 38503.5531 0 2 38533.0000 38503.5531 0.08% - 0s 0 0 38506.7500 0 1 38533.0000 38506.7500 0.07% - 0s 0 0 38527.8727 0 1 38533.0000 38527.8727 0.01% - 0s 0 0 38528.1304 0 1 38533.0000 38528.1304 0.01% - 0s Cutting planes: Implied bound: 32 Flow cover: 2 Explored 0 nodes (1185 simplex iterations) in 0.20 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 3.853300000000e+04, best bound 3.853300000000e+04, gap 0.0%