Gurobi 5.0.1 (linux64) logging started Wed Apr 24 01:00:37 2013 Optimize a model with 462 rows, 17682 columns and 35322 nonzeros Presolve time: 0.03s Presolved: 462 rows, 17682 columns, 35322 nonzeros Variable types: 17640 continuous, 42 integer (42 binary) Root relaxation: objective 4.467754e+04, 782 iterations, 0.02 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 44677.5378 0 6 - 44677.5378 - - 0s H 0 0 45430.000000 44677.5378 1.66% - 0s 0 0 44945.4633 0 5 45430.0000 44945.4633 1.07% - 0s 0 0 44970.9925 0 4 45430.0000 44970.9925 1.01% - 0s 0 0 44976.4523 0 6 45430.0000 44976.4523 1.00% - 0s H 0 0 45313.000000 44976.4523 0.74% - 0s 0 0 44981.3702 0 3 45313.0000 44981.3702 0.73% - 0s H 0 0 45186.000000 44981.3702 0.45% - 0s 0 0 44981.3702 0 3 45186.0000 44981.3702 0.45% - 0s H 0 0 45172.000000 44981.3702 0.42% - 0s H 0 0 45048.000000 44981.3702 0.15% - 0s 0 0 44981.3702 0 6 45048.0000 44981.3702 0.15% - 0s 0 0 44986.0658 0 4 45048.0000 44986.0658 0.14% - 0s 0 0 45011.5202 0 3 45048.0000 45011.5202 0.08% - 0s 0 0 45017.7758 0 4 45048.0000 45017.7758 0.07% - 0s 0 0 45021.8086 0 3 45048.0000 45021.8086 0.06% - 0s 0 0 45021.8086 0 3 45048.0000 45021.8086 0.06% - 0s 0 0 45021.8162 0 3 45048.0000 45021.8162 0.06% - 0s 0 0 45034.1233 0 1 45048.0000 45034.1233 0.03% - 0s Cutting planes: Implied bound: 30 Explored 0 nodes (1707 simplex iterations) in 0.51 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 4.504800000000e+04, best bound 4.504800000000e+04, gap 0.0%