Gurobi 5.0.1 (linux64) logging started Wed Apr 24 05:59:11 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 1.031133e+05, 2740 iterations, 0.12 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 103113.305 0 7 - 103113.305 - - 0s H 0 0 109706.00000 103113.305 6.01% - 0s 0 0 103374.065 0 5 109706.000 103374.065 5.77% - 0s 0 0 103405.504 0 4 109706.000 103405.504 5.74% - 0s H 0 0 109635.00000 103405.504 5.68% - 0s 0 0 103407.033 0 5 109635.000 103407.033 5.68% - 1s 0 0 103413.970 0 5 109635.000 103413.970 5.67% - 1s H 0 0 109621.00000 103413.970 5.66% - 1s 0 0 103419.094 0 5 109621.000 103419.094 5.66% - 1s 0 0 103420.667 0 4 109621.000 103420.667 5.66% - 1s H 0 0 109487.00000 103420.667 5.54% - 1s 0 0 103420.667 0 4 109487.000 103420.667 5.54% - 1s 0 0 103420.667 0 4 109487.000 103420.667 5.54% - 1s 0 0 103420.667 0 4 109487.000 103420.667 5.54% - 1s H 0 0 109461.00000 103420.667 5.52% - 2s 0 2 103438.964 0 4 109461.000 103438.964 5.50% - 2s H 1 1 108085.84663 103438.964 4.30% 0.0 2s H 2 2 107736.16600 103539.811 3.90% 60.0 2s H 6 6 105238.67257 103638.924 1.52% 92.7 2s H 7 7 104930.50000 103651.319 1.22% 102 2s H 11 10 104883.00000 103651.319 1.17% 123 3s H 14 10 104118.00000 103651.319 0.45% 102 3s H 15 7 104117.00000 103651.319 0.45% 95.7 3s H 27 7 104007.00000 103651.320 0.34% 72.4 3s H 31 11 103966.00000 103651.320 0.30% 65.9 3s * 32 8 11 103852.00000 103651.320 0.19% 66.7 3s Cutting planes: Implied bound: 90 Flow cover: 3 Explored 40 nodes (5581 simplex iterations) in 3.83 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.038520000000e+05, best bound 1.038520000000e+05, gap 0.0%