Gurobi 5.0.1 (linux64) logging started Wed Apr 24 05:59:05 2013 Optimize a model with 990 rows, 81090 columns and 162090 nonzeros Presolve time: 0.13s Presolved: 990 rows, 81090 columns, 162090 nonzeros Variable types: 81000 continuous, 90 integer (90 binary) Root relaxation: objective 9.504691e+04, 2673 iterations, 0.11 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 95046.9063 0 10 - 95046.9063 - - 0s H 0 0 106926.00000 95046.9063 11.1% - 0s 0 0 95327.1223 0 6 106926.000 95327.1223 10.8% - 0s H 0 0 104956.00000 95327.1223 9.17% - 0s 0 0 95376.6393 0 6 104956.000 95376.6393 9.13% - 0s H 0 0 104744.67242 95376.6393 8.94% - 0s H 0 0 102503.00000 95376.6393 6.95% - 0s 0 0 95387.0486 0 5 102503.000 95387.0486 6.94% - 1s H 0 0 100061.00000 95387.0486 4.67% - 1s 0 0 95394.4707 0 5 100061.000 95394.4707 4.66% - 1s 0 0 95396.9595 0 4 100061.000 95396.9595 4.66% - 1s H 0 0 99860.000000 95396.9595 4.47% - 1s 0 0 95397.3524 0 4 99860.0000 95397.3524 4.47% - 1s H 0 0 99858.000000 95397.3524 4.47% - 1s 0 0 95397.3524 0 4 99858.0000 95397.3524 4.47% - 1s H 0 0 99850.000000 95397.3524 4.46% - 1s 0 0 95398.0218 0 6 99850.0000 95398.0218 4.46% - 1s H 0 0 99471.000000 95398.0218 4.09% - 2s H 0 0 96024.000000 95398.0218 0.65% - 2s 0 2 95407.7197 0 6 96024.0000 95407.7197 0.64% - 2s * 38 14 9 96000.000000 95757.9788 0.25% 73.3 3s * 48 6 7 95913.000000 95821.8652 0.10% 71.5 3s Cutting planes: Implied bound: 157 Flow cover: 7 Explored 54 nodes (6724 simplex iterations) in 3.90 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 9.591300000000e+04, best bound 9.590509756098e+04, gap 0.0082%