current bounds on the number of colors: 0 -- 197 Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:29:13 2012 Optimize a model with 19993 rows, 19508 columns and 78694 nonzeros Presolve removed 25 rows and 2450 columns Presolve time: 0.13s Presolved: 19968 rows, 17058 columns, 76244 nonzeros Variable types: 0 continuous, 17058 integer (17058 binary) Root relaxation: objective 0.000000e+00, 307 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time * 0 0 0 0.0000000 0.00000 0.0% - 0s Explored 0 nodes (307 simplex iterations) in 0.14 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 0.000000000000e+00, best bound 0.000000000000e+00, gap 0.0% current bounds on the number of colors: 0 -- 98 Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:29:13 2012 Optimize a model with 10095 rows, 9855 columns and 39347 nonzeros Presolve removed 25 rows and 1225 columns Presolve time: 0.09s Presolved: 10070 rows, 8630 columns, 38122 nonzeros Variable types: 0 continuous, 8630 integer (8630 binary) Root relaxation: objective 0.000000e+00, 317 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time * 0 0 0 0.0000000 0.00000 0.0% - 0s Explored 0 nodes (317 simplex iterations) in 0.10 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 0.000000000000e+00, best bound 0.000000000000e+00, gap 0.0% current bounds on the number of colors: 0 -- 49 Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:29:14 2012 Optimize a model with 5045 rows, 4930 columns and 19272 nonzeros Presolve removed 25 rows and 600 columns Presolve time: 0.03s Presolved: 5020 rows, 4330 columns, 18672 nonzeros Variable types: 0 continuous, 4330 integer (4330 binary) Root relaxation: objective 0.000000e+00, 311 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time * 0 0 0 0.0000000 0.00000 0.0% - 0s Explored 0 nodes (311 simplex iterations) in 0.04 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 0.000000000000e+00, best bound 0.000000000000e+00, gap 0.0% current bounds on the number of colors: 0 -- 24 Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:29:14 2012 Optimize a model with 2621 rows, 2566 columns and 9636 nonzeros Presolve removed 25 rows and 300 columns Presolve time: 0.01s Presolved: 2596 rows, 2266 columns, 9336 nonzeros Variable types: 0 continuous, 2266 integer (2266 binary) Root relaxation: objective 0.000000e+00, 324 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time * 0 0 0 0.0000000 0.00000 0.0% - 0s Explored 0 nodes (478 simplex iterations) in 0.02 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 0.000000000000e+00, best bound 0.000000000000e+00, gap 0.0% current bounds on the number of colors: 0 -- 12 Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:29:14 2012 Optimize a model with 1409 rows, 1384 columns and 4818 nonzeros Presolve removed 25 rows and 150 columns Presolve time: 0.00s Presolved: 1384 rows, 1234 columns, 4668 nonzeros Variable types: 0 continuous, 1234 integer (1234 binary) Root relaxation: objective 0.000000e+00, 297 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time * 0 0 0 0.0000000 0.00000 0.0% - 0s Explored 0 nodes (297 simplex iterations) in 0.01 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 0.000000000000e+00, best bound 0.000000000000e+00, gap 0.0% current bounds on the number of colors: 0 -- 6 Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:29:14 2012 Optimize a model with 803 rows, 793 columns and 2409 nonzeros Presolve removed 25 rows and 75 columns Presolve time: 0.00s Presolved: 778 rows, 718 columns, 2334 nonzeros Variable types: 0 continuous, 718 integer (718 binary) Root relaxation: objective 0.000000e+00, 325 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time * 0 0 0 0.0000000 0.00000 0.0% - 0s Explored 0 nodes (325 simplex iterations) in 0.00 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 0.000000000000e+00, best bound 0.000000000000e+00, gap 0.0% current bounds on the number of colors: 0 -- 3 Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:29:14 2012 Optimize a model with 399 rows, 399 columns and 803 nonzeros Presolve removed 399 rows and 399 columns Presolve time: 0.00s Explored 0 nodes (0 simplex iterations) in 0.00 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound -, gap - current bounds on the number of colors: 1 -- 3 Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:29:14 2012 Optimize a model with 601 rows, 596 columns and 1606 nonzeros Presolve removed 205 rows and 234 columns Presolve time: 0.00s Presolved: 396 rows, 362 columns, 1188 nonzeros Variable types: 0 continuous, 362 integer (362 binary) Root relaxation: objective 0.000000e+00, 183 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 0.00000 0 157 - 0.00000 - - 0s 0 0 infeasible 0 - 0.10000 - - 0s Explored 0 nodes (613 simplex iterations) in 0.01 seconds Thread count was 1 (of 16 available processors) Model objective exceeds cutoff Best objective -, best bound 1.000000000000e+00, gap - optimal solution found: number of colors: 3