Gurobi 5.0.1 (linux64) logging started Wed Apr 24 01:10:59 2013 Optimize a model with 25600 rows, 25100 columns and 100100 nonzeros Presolve removed 50 rows and 0 columns Presolve time: 0.11s Presolved: 25550 rows, 25100 columns, 100050 nonzeros Variable types: 25050 continuous, 50 integer (50 binary) Root relaxation: objective 4.099852e+04, 2483 iterations, 0.45 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 40998.5181 0 38 - 40998.5181 - - 0s H 0 0 53775.000000 40998.5181 23.8% - 0s 0 0 45912.3004 0 10 53775.0000 45912.3004 14.6% - 2s H 0 0 52193.014440 45912.3004 12.0% - 2s H 0 0 48182.000000 45912.3004 4.71% - 2s 0 0 46111.2550 0 4 48182.0000 46111.2550 4.30% - 2s H 0 0 47481.000000 46111.2550 2.88% - 2s H 0 0 46641.000000 46111.2550 1.14% - 3s 0 2 46118.4030 0 4 46641.0000 46118.4030 1.12% - 3s H 6 6 46578.863881 46299.0518 0.60% 58.2 3s * 14 7 10 46495.000000 46299.0518 0.42% 106 4s * 19 5 12 46489.000000 46299.0518 0.41% 98.0 4s H 27 11 46486.000000 46323.8226 0.35% 87.7 4s H 27 9 46468.000000 46323.8226 0.31% 87.7 4s * 40 12 10 46467.000000 46353.8602 0.24% 85.4 4s 51 9 46433.4400 3 4 46467.0000 46431.7600 0.08% 81.3 5s H 55 2 46440.000000 46431.7600 0.02% 77.5 5s Cutting planes: Gomory: 2 Implied bound: 44 MIR: 1 Explored 59 nodes (8591 simplex iterations) in 5.20 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 4.644000000000e+04, best bound 4.643850700571e+04, gap 0.0032%