Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:56:21 2013 Optimize a model with 396 rows, 12996 columns and 25956 nonzeros Presolve time: 0.02s Presolved: 396 rows, 12996 columns, 25956 nonzeros Variable types: 12960 continuous, 36 integer (36 binary) Root relaxation: objective 3.324041e+04, 422 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 33240.4058 0 9 - 33240.4058 - - 0s H 0 0 34356.000000 33240.4058 3.25% - 0s H 0 0 33570.000000 33240.4058 0.98% - 0s 0 0 33466.8274 0 4 33570.0000 33466.8274 0.31% - 0s H 0 0 33562.000000 33466.8274 0.28% - 0s 0 0 33469.8840 0 4 33562.0000 33469.8840 0.27% - 0s H 0 0 33529.000000 33469.8840 0.18% - 0s 0 0 33470.2272 0 5 33529.0000 33470.2272 0.18% - 0s H 0 0 33520.000000 33470.2272 0.15% - 0s 0 0 33470.8111 0 3 33520.0000 33470.8111 0.15% - 0s 0 0 33490.8500 0 3 33520.0000 33490.8500 0.09% - 0s 0 0 33491.0000 0 2 33520.0000 33491.0000 0.09% - 0s 0 0 33491.0000 0 7 33520.0000 33491.0000 0.09% - 0s 0 0 33491.0000 0 3 33520.0000 33491.0000 0.09% - 0s 0 0 33491.0000 0 4 33520.0000 33491.0000 0.09% - 0s 0 0 33491.0000 0 2 33520.0000 33491.0000 0.09% - 0s H 0 0 33496.000000 33491.0000 0.01% - 0s 0 2 33492.2000 0 2 33496.0000 33492.2000 0.01% - 0s * 2 2 2 33493.000000 33492.4931 0.00% 9.5 0s Cutting planes: Implied bound: 24 Flow cover: 2 Explored 3 nodes (959 simplex iterations) in 0.32 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 3.349300000000e+04, best bound 3.349249312476e+04, gap 0.0015%