Gurobi 5.0.1 (linux64) logging started Wed Apr 24 00:54:06 2013 Optimize a model with 9951 rows, 9641 columns and 38471 nonzeros Presolve removed 959 rows and 0 columns Presolve time: 0.05s Presolved: 8992 rows, 9641 columns, 36553 nonzeros Variable types: 9610 continuous, 31 integer (31 binary) Root relaxation: objective 3.029275e+04, 1143 iterations, 0.05 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 30292.7537 0 3 - 30292.7537 - - 0s H 0 0 30509.000000 30292.7537 0.71% - 0s H 0 0 30390.000000 30292.7537 0.32% - 0s 0 0 30294.4809 0 4 30390.0000 30294.4809 0.31% - 0s 0 2 30298.5204 0 4 30390.0000 30298.5204 0.30% - 0s H 4 4 30377.000000 30339.1250 0.12% 16.0 0s * 5 2 4 30355.000000 30355.0000 0.0% 17.8 0s Cutting planes: Gomory: 1 Explored 6 nodes (1247 simplex iterations) in 0.36 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 3.035500000000e+04, best bound 3.035500000000e+04, gap 0.0%