Gurobi 5.0.1 (linux64) logging started Tue Nov 20 15:36:14 2012 Optimize a model with 946 rows, 196 columns and 1892 nonzeros Presolve removed 215 rows and 0 columns Presolve time: 0.01s Presolved: 731 rows, 196 columns, 1610 nonzeros Variable types: 0 continuous, 196 integer (196 binary) Found heuristic solution: objective 53.0000000 Root relaxation: objective 7.555714e+01, 439 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 75.55714 0 193 53.00000 75.55714 42.6% - 0s 0 0 74.33351 0 196 53.00000 74.33351 40.3% - 0s 0 0 73.46923 0 194 53.00000 73.46923 38.6% - 0s 0 0 72.80077 0 195 53.00000 72.80077 37.4% - 0s 0 0 72.42716 0 195 53.00000 72.42716 36.7% - 0s 0 0 72.05088 0 195 53.00000 72.05088 35.9% - 0s H 0 0 55.0000000 72.05088 31.0% - 0s 0 0 71.93801 0 195 55.00000 71.93801 30.8% - 0s H 0 0 56.0000000 71.93801 28.5% - 0s 0 0 71.70793 0 195 56.00000 71.70793 28.0% - 0s 0 0 71.54591 0 194 56.00000 71.54591 27.8% - 0s 0 0 71.38282 0 196 56.00000 71.38282 27.5% - 0s 0 0 71.25404 0 196 56.00000 71.25404 27.2% - 0s 0 0 71.18340 0 195 56.00000 71.18340 27.1% - 0s 0 0 71.15244 0 194 56.00000 71.15244 27.1% - 0s 0 0 71.08932 0 194 56.00000 71.08932 26.9% - 0s 0 0 71.06212 0 194 56.00000 71.06212 26.9% - 0s 0 0 71.06212 0 194 56.00000 71.06212 26.9% - 0s 0 2 71.05838 0 194 56.00000 71.05838 26.9% - 0s * 37 30 20 57.0000000 71.04400 24.6% 70.6 0s H 379 216 58.0000000 69.38769 19.6% 52.0 1s 610 365 61.37500 11 192 58.00000 69.02619 19.0% 49.7 5s 1636 822 60.50000 44 99 58.00000 68.82996 18.7% 56.1 10s H 1734 766 59.0000000 68.78286 16.6% 55.2 10s 3423 1844 65.50000 26 117 59.00000 67.34912 14.2% 49.0 15s 6107 3449 60.78571 45 139 59.00000 66.48333 12.7% 45.0 20s 9088 5002 62.66667 27 128 59.00000 65.90091 11.7% 42.2 25s 12649 6711 61.20000 39 133 59.00000 65.50000 11.0% 40.2 30s 16135 8340 60.00000 46 129 59.00000 65.15385 10.4% 38.8 35s 19866 9959 63.00000 35 138 59.00000 64.87500 10.0% 37.6 40s 23960 11567 61.01010 32 137 59.00000 64.57813 9.45% 36.8 45s 28297 13202 63.50000 33 119 59.00000 64.33333 9.04% 35.9 50s 32817 14809 63.11321 32 153 59.00000 64.11111 8.66% 35.1 55s 37539 16382 60.75000 33 118 59.00000 63.96226 8.41% 34.3 60s 40804 17438 61.52174 33 128 59.00000 63.83333 8.19% 33.9 78s 42212 17842 61.28571 28 137 59.00000 63.78000 8.10% 33.8 80s 46695 19233 61.36667 35 125 59.00000 63.63158 7.85% 33.3 85s 51258 20574 61.50000 36 116 59.00000 63.50000 7.63% 32.8 90s *52917 16622 50 60.0000000 63.50000 5.83% 32.7 92s 54200 16755 61.00000 28 115 60.00000 63.44444 5.74% 32.6 95s 58724 16908 cutoff 29 60.00000 63.26159 5.44% 32.4 100s 63456 16983 62.00000 26 112 60.00000 63.07143 5.12% 32.1 105s 68288 16872 62.00000 37 123 60.00000 63.00000 5.00% 31.9 110s 73116 16599 cutoff 32 60.00000 62.78571 4.64% 31.6 115s 78066 16116 61.16667 34 133 60.00000 62.62500 4.38% 31.4 120s 83243 15355 61.00000 42 120 60.00000 62.50000 4.17% 31.1 125s 88233 14377 cutoff 37 60.00000 62.33333 3.89% 30.9 130s 92962 13153 cutoff 44 60.00000 62.16667 3.61% 30.7 135s 98345 11336 61.66667 39 110 60.00000 62.00000 3.33% 30.5 140s 103693 9158 61.26667 32 122 60.00000 61.80000 3.00% 30.3 145s 109879 5634 61.00000 32 110 60.00000 61.50000 2.50% 29.8 151s 116683 200 cutoff 46 60.00000 61.00000 1.67% 28.8 155s Cutting planes: Gomory: 2 Zero half: 79 Explored 116904 nodes (3369314 simplex iterations) in 155.14 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 6.000000000000e+01, best bound 6.000000000000e+01, gap 0.0%