Gurobi 5.0.1 (linux64) logging started Fri Jan 18 00:57:19 2013 Optimize a model with 1700 rows, 28100 columns and 58050 nonzeros Presolve removed 100 rows and 150 columns Presolve time: 0.40s Presolved: 1600 rows, 27950 columns, 55900 nonzeros Variable types: 27000 continuous, 950 integer (950 binary) Root relaxation: objective 2.252562e+05, 4196 iterations, 0.28 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 225256.157 0 1 - 225256.157 - - 0s 0 0 225292.554 0 1 - 225292.554 - - 0s 0 0 225298.138 0 1 - 225298.138 - - 1s 0 0 225312.893 0 2 - 225312.893 - - 1s 0 0 225313.206 0 2 - 225313.206 - - 1s 0 0 225313.367 0 2 - 225313.367 - - 1s 0 0 225313.629 0 2 - 225313.629 - - 1s 0 0 225316.178 0 2 - 225316.178 - - 1s 0 0 225316.719 0 2 - 225316.719 - - 1s 0 0 225318.048 0 2 - 225318.048 - - 1s 0 0 225318.161 0 2 - 225318.161 - - 1s 0 0 225318.505 0 2 - 225318.505 - - 1s 0 0 225319.112 0 2 - 225319.112 - - 2s 0 0 225319.190 0 2 - 225319.190 - - 2s 0 0 225319.241 0 1 - 225319.241 - - 2s 0 0 225319.278 0 2 - 225319.278 - - 2s 0 0 225319.380 0 2 - 225319.380 - - 2s 0 0 225319.380 0 2 - 225319.380 - - 2s H 0 0 227952.66891 225319.380 1.16% - 2s 0 2 225335.969 0 2 227952.669 225335.969 1.15% - 3s * 11 5 10 225915.15199 225850.625 0.03% 89.1 3s Cutting planes: Flow cover: 23 Explored 14 nodes (5941 simplex iterations) in 3.62 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 2.259151519913e+05, best bound 2.258956360683e+05, gap 0.0086%