Gurobi 5.0.1 (linux64) logging started Wed Apr 24 06:18:16 2013 Optimize a model with 1001 rows, 82901 columns and 165711 nonzeros Presolve time: 0.14s Presolved: 1001 rows, 82901 columns, 165711 nonzeros Variable types: 82810 continuous, 91 integer (91 binary) Root relaxation: objective 1.127930e+05, 2943 iterations, 0.11 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 112792.968 0 6 - 112792.968 - - 0s H 0 0 121459.00000 112792.968 7.13% - 0s 0 0 113175.354 0 8 121459.000 113175.354 6.82% - 0s H 0 0 120520.00000 113175.354 6.09% - 0s H 0 0 116621.00000 113175.354 2.95% - 0s 0 0 113206.709 0 5 116621.000 113206.709 2.93% - 1s 0 0 113207.580 0 2 116621.000 113207.580 2.93% - 1s 0 0 113208.761 0 4 116621.000 113208.761 2.93% - 1s 0 0 113209.102 0 4 116621.000 113209.102 2.93% - 1s 0 0 113209.104 0 2 116621.000 113209.104 2.93% - 1s H 0 0 116505.00000 113209.104 2.83% - 1s 0 0 113209.104 0 2 116505.000 113209.104 2.83% - 1s 0 0 113209.104 0 2 116505.000 113209.104 2.83% - 2s H 0 0 114095.00000 113209.104 0.78% - 2s 0 0 113209.104 0 6 114095.000 113209.104 0.78% - 2s 0 0 113209.104 0 8 114095.000 113209.104 0.78% - 2s 0 0 113209.104 0 4 114095.000 113209.104 0.78% - 2s 0 0 113209.104 0 4 114095.000 113209.104 0.78% - 2s 0 0 113209.104 0 2 114095.000 113209.104 0.78% - 3s 0 0 113209.104 0 2 114095.000 113209.104 0.78% - 3s 0 0 113209.104 0 2 114095.000 113209.104 0.78% - 3s 0 0 113209.104 0 2 114095.000 113209.104 0.78% - 3s 0 2 113209.847 0 2 114095.000 113209.847 0.78% - 3s H 6 6 113603.00000 113486.688 0.10% 107 4s * 14 8 9 113597.00000 113486.688 0.10% 64.8 4s * 21 9 6 113593.00000 113494.129 0.09% 61.1 4s Cutting planes: Implied bound: 144 Flow cover: 3 Explored 35 nodes (8292 simplex iterations) in 4.74 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.135930000000e+05, best bound 1.135817741935e+05, gap 0.0099%