Gurobi 5.0.1 (linux64) logging started Thu Jan 24 18:14:06 2013 Optimize a model with 5 rows, 250 columns and 1250 nonzeros Presolve time: 0.00s Presolved: 5 rows, 250 columns, 1250 nonzeros Variable types: 0 continuous, 250 integer (250 binary) Found heuristic solution: objective 50607.000000 Root relaxation: objective 5.957823e+04, 15 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 59578.2276 0 5 50607.0000 59578.2276 17.7% - 0s H 0 0 59301.000000 59578.2276 0.47% - 0s 0 0 59575.7421 0 8 59301.0000 59575.7421 0.46% - 0s 0 0 59573.3162 0 9 59301.0000 59573.3162 0.46% - 0s 0 0 59573.0039 0 9 59301.0000 59573.0039 0.46% - 0s H 0 0 59390.000000 59573.0039 0.31% - 0s 0 0 59573.0039 0 5 59390.0000 59573.0039 0.31% - 0s 0 0 59573.0039 0 9 59390.0000 59573.0039 0.31% - 0s 0 0 59572.8769 0 10 59390.0000 59572.8769 0.31% - 0s 0 2 59572.0351 0 10 59390.0000 59572.0351 0.31% - 0s H 3776 2400 59415.000000 59554.5205 0.23% 2.5 0s H 5004 3161 59427.000000 59552.5869 0.21% 2.4 0s 91549 41386 59446.2256 81 4 59427.0000 59534.4588 0.18% 2.3 5s H133702 63592 59431.000000 59528.7200 0.16% 2.3 6s 201134 105567 cutoff 60 59431.0000 59523.1989 0.16% 2.3 10s H211430 108348 59439.000000 59522.5348 0.14% 2.3 10s 312956 163696 59508.2478 58 5 59439.0000 59517.2559 0.13% 2.3 15s 423694 219429 59499.7725 54 5 59439.0000 59513.2207 0.12% 2.3 20s H441058 218276 59446.000000 59512.7045 0.11% 2.4 20s 534476 256989 59489.0341 60 5 59446.0000 59509.8922 0.11% 2.4 25s 644471 298457 cutoff 68 59446.0000 59507.0323 0.10% 2.4 30s 756572 336814 59501.4879 63 5 59446.0000 59504.5970 0.10% 2.4 35s 869612 372087 59492.4807 58 5 59446.0000 59502.4968 0.10% 2.4 40s 982773 404700 59487.3432 68 5 59446.0000 59500.5858 0.09% 2.4 45s H1039371 330177 59463.000000 59499.7188 0.06% 2.4 47s 1092188 333208 59476.2526 64 5 59463.0000 59498.4535 0.06% 2.4 50s 1202635 335229 59486.2193 60 5 59463.0000 59495.9238 0.06% 2.3 55s 1313801 331805 59473.4448 63 4 59463.0000 59493.5405 0.05% 2.3 60s 1425238 322221 cutoff 62 59463.0000 59491.2202 0.05% 2.3 65s 1539362 305443 59488.2452 59 5 59463.0000 59488.8335 0.04% 2.3 70s 1653916 281721 59478.5465 61 5 59463.0000 59486.3187 0.04% 2.3 75s 1768414 249498 59467.5519 63 5 59463.0000 59483.5933 0.03% 2.3 80s 1883157 206970 cutoff 63 59463.0000 59480.5038 0.03% 2.3 85s 1999027 150746 59465.8806 66 5 59463.0000 59476.6081 0.02% 2.3 90s 2114608 74885 cutoff 64 59463.0000 59470.8832 0.01% 2.3 95s Cutting planes: Gomory: 10 Cover: 1 Explored 2143681 nodes (4860518 simplex iterations) in 96.23 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 5.946300000000e+04, best bound 5.946800000000e+04, gap 0.0084%