Gurobi 5.0.1 (linux64) logging started Wed Apr 24 08:09:50 2013 Optimize a model with 1056 rows, 92256 columns and 184416 nonzeros Presolve time: 0.16s Presolved: 1056 rows, 92256 columns, 184416 nonzeros Variable types: 92160 continuous, 96 integer (96 binary) Root relaxation: objective 1.098005e+05, 3280 iterations, 0.15 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 109800.463 0 7 - 109800.463 - - 0s H 0 0 115820.00000 109800.463 5.20% - 0s 0 0 110288.466 0 6 115820.000 110288.466 4.78% - 0s 0 0 110314.203 0 5 115820.000 110314.203 4.75% - 1s 0 0 110320.012 0 6 115820.000 110320.012 4.75% - 1s 0 0 110322.618 0 4 115820.000 110322.618 4.75% - 1s 0 0 110322.618 0 4 115820.000 110322.618 4.75% - 1s 0 0 110322.618 0 4 115820.000 110322.618 4.75% - 1s 0 0 110323.169 0 4 115820.000 110323.169 4.75% - 2s 0 2 110326.259 0 4 115820.000 110326.259 4.74% - 2s H 1 1 114405.78530 110326.259 3.57% 0.0 2s H 2 2 114128.54054 110334.986 3.32% 48.0 2s H 3 3 112844.20325 110345.681 2.21% 51.3 2s H 4 4 111059.72973 110350.459 0.64% 54.2 2s H 7 7 110753.00000 110390.000 0.33% 68.7 3s H 11 9 110647.00000 110393.789 0.23% 54.4 3s * 13 7 10 110534.00000 110393.789 0.13% 53.8 3s H 27 5 110441.00000 110412.451 0.03% 47.7 3s Cutting planes: Implied bound: 152 Flow cover: 7 Explored 32 nodes (5459 simplex iterations) in 3.71 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.104410000000e+05, best bound 1.104303547954e+05, gap 0.0096%