Gurobi 5.0.1 (linux64) logging started Fri Jan 18 04:03:06 2013 Optimize a model with 150 rows, 2860 columns and 22585 nonzeros Presolve removed 5 rows and 565 columns Presolve time: 0.06s Presolved: 145 rows, 2295 columns, 20585 nonzeros Variable types: 2255 continuous, 40 integer (40 binary) Root relaxation: objective 1.024210e+04, 52 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 10242.1039 0 5 - 10242.1039 - - 0s 0 0 10242.4306 0 5 - 10242.4306 - - 0s 0 0 10329.8216 0 9 - 10329.8216 - - 0s 0 0 10332.9211 0 9 - 10332.9211 - - 0s 0 0 10334.6848 0 4 - 10334.6848 - - 0s 0 0 10334.6848 0 4 - 10334.6848 - - 0s 0 0 10334.6848 0 4 - 10334.6848 - - 0s 0 0 10334.6964 0 4 - 10334.6964 - - 0s 0 0 10334.7008 0 3 - 10334.7008 - - 0s 0 0 10334.7091 0 4 - 10334.7091 - - 0s 0 0 10334.7122 0 4 - 10334.7122 - - 0s 0 0 10334.7178 0 4 - 10334.7178 - - 0s 0 0 10334.7202 0 4 - 10334.7202 - - 0s 0 0 10334.7202 0 4 - 10334.7202 - - 0s H 0 0 10527.837546 10334.7202 1.83% - 0s 0 2 10334.7237 0 4 10527.8375 10334.7237 1.83% - 0s * 7 6 7 10336.398541 10334.9029 0.01% 7.7 0s Cutting planes: Flow cover: 6 Explored 29 nodes (601 simplex iterations) in 0.94 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.033639854073e+04, best bound 1.033549366934e+04, gap 0.0088%