Gurobi 5.0.1 (linux64) logging started Tue Apr 23 22:02:09 2013 Optimize a model with 75 rows, 1275 columns and 2525 nonzeros Presolve removed 0 rows and 1 columns Presolve time: 0.00s Presolved: 75 rows, 1274 columns, 2524 nonzeros Variable types: 1250 continuous, 24 integer (24 binary) Root relaxation: objective 7.461434e+05, 28 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 746143.367 0 23 - 746143.367 - - 0s H 0 0 1228838.7875 746143.367 39.3% - 0s H 0 0 1195216.7625 746143.367 37.6% - 0s 0 0 889943.702 0 14 1195216.76 889943.702 25.5% - 0s 0 0 921111.654 0 12 1195216.76 921111.654 22.9% - 0s H 0 0 1187851.8733 921111.654 22.5% - 0s 0 0 931608.080 0 11 1187851.87 931608.080 21.6% - 0s H 0 0 1142634.3261 931608.080 18.5% - 0s 0 0 937381.529 0 8 1142634.33 937381.529 18.0% - 0s H 0 0 1066356.4919 937381.529 12.1% - 0s H 0 0 948990.25000 937381.529 1.22% - 0s 0 2 937611.497 0 7 948990.250 937611.497 1.20% - 0s * 12 5 12 946051.32500 943314.868 0.29% 1.9 0s Cutting planes: Implied bound: 118 Flow cover: 1 Explored 21 nodes (230 simplex iterations) in 0.03 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 9.460513250000e+05, best bound 9.460513250000e+05, gap 0.0%