Gurobi 5.0.1 (linux64) logging started Sat Dec 8 10:30:00 2012 Optimize a model with 3255 rows, 3240 columns and 11820 nonzeros Presolve removed 395 rows and 120 columns Presolve time: 0.02s Presolved: 2860 rows, 3120 columns, 10993 nonzeros Variable types: 2779 continuous, 341 integer (341 binary) Root relaxation: objective 1.173229e+05, 503 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 117322.916 0 14 - 117322.916 - - 0s H 0 0 118558.00000 117322.916 1.04% - 0s 0 0 117355.692 0 19 118558.000 117355.692 1.01% - 0s 0 0 117376.126 0 22 118558.000 117376.126 1.00% - 0s 0 0 117386.690 0 26 118558.000 117386.690 0.99% - 0s 0 0 117390.958 0 29 118558.000 117390.958 0.98% - 0s 0 0 117394.745 0 27 118558.000 117394.745 0.98% - 0s 0 0 117404.425 0 23 118558.000 117404.425 0.97% - 0s 0 0 117405.218 0 25 118558.000 117405.218 0.97% - 0s 0 2 117406.006 0 25 118558.000 117406.006 0.97% - 0s * 58 49 51 118409.00000 117466.066 0.80% 5.0 0s H 92 50 117721.00000 117479.384 0.21% 5.0 0s * 259 89 15 117707.00000 117527.179 0.15% 5.1 0s * 265 85 18 117703.00000 117527.179 0.15% 5.1 0s * 353 31 29 117616.00000 117577.442 0.03% 5.2 0s Cutting planes: Gomory: 1 Cover: 6 Flow cover: 28 Explored 392 nodes (2547 simplex iterations) in 0.55 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.176160000000e+05, best bound 1.176062454375e+05, gap 0.0083%