current bounds on the number of colors: 0 -- 108
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 20:00:52 2012
Optimize a model with 31536 rows, 6414 columns and 100116 nonzeros
Presolve time: 0.15s
Presolved: 31536 rows, 6414 columns, 100116 nonzeros
Variable types: 0 continuous, 6414 integer (6414 binary)
Root relaxation: objective 0.000000e+00, 383 iterations, 0.03 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 (645 simplex iterations) in 0.22 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 -- 54
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 20:00:53 2012
Optimize a model with 15822 rows, 3498 columns and 50058 nonzeros
Presolve time: 0.07s
Presolved: 15822 rows, 3498 columns, 50058 nonzeros
Variable types: 0 continuous, 3498 integer (3498 binary)
Root relaxation: objective 0.000000e+00, 258 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 (473 simplex iterations) in 0.09 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 -- 27
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 20:00:53 2012
Optimize a model with 7674 rows, 1986 columns and 24102 nonzeros
Presolve time: 0.02s
Presolved: 7674 rows, 1986 columns, 24102 nonzeros
Variable types: 0 continuous, 1986 integer (1986 binary)
Root relaxation: objective 0.000000e+00, 222 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 (420 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 -- 13
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 20:00:53 2012
Optimize a model with 3600 rows, 1230 columns and 11124 nonzeros
Presolve time: 0.01s
Presolved: 3600 rows, 1230 columns, 11124 nonzeros
Variable types: 0 continuous, 1230 integer (1230 binary)
Root relaxation: objective 0.000000e+00, 235 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 (1695 simplex iterations) in 0.08 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 Thu Dec 13 20:00:53 2012
Optimize a model with 1854 rows, 906 columns and 5562 nonzeros
Presolve time: 0.00s
Presolved: 1854 rows, 906 columns, 5562 nonzeros
Variable types: 0 continuous, 906 integer (906 binary)
Root relaxation: objective 0.000000e+00, 237 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 0 216 - 0.00000 - - 0s
0 0 0.00000 0 214 - 0.00000 - - 0s
0 0 infeasible 0 - 0.10000 - - 0s
Explored 0 nodes (2916 simplex iterations) in 0.27 seconds
Thread count was 1 (of 16 available processors)
Model objective exceeds cutoff
Best objective -, best bound 1.000000000000e+00, gap -
current bounds on the number of colors: 3 -- 6
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 20:00:53 2012
Optimize a model with 2436 rows, 1014 columns and 7416 nonzeros
Presolve time: 0.01s
Presolved: 2436 rows, 1014 columns, 7416 nonzeros
Variable types: 0 continuous, 1014 integer (1014 binary)
Root relaxation: objective 0.000000e+00, 241 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 0 214 - 0.00000 - - 0s
0 0 0.00000 0 186 - 0.00000 - - 0s
0 0 0.00000 0 200 - 0.00000 - - 0s
0 0 0.00000 0 326 - 0.00000 - - 0s
0 0 0.00000 0 213 - 0.00000 - - 1s
0 0 0.00000 0 304 - 0.00000 - - 1s
0 0 0.00000 0 296 - 0.00000 - - 1s
0 0 0.00000 0 289 - 0.00000 - - 1s
0 0 0.00000 0 281 - 0.00000 - - 2s
0 0 0.00000 0 281 - 0.00000 - - 2s
0 0 0.00000 0 279 - 0.00000 - - 3s
0 0 0.00000 0 283 - 0.00000 - - 3s
0 0 0.00000 0 283 - 0.00000 - - 3s
0 2 0.00000 0 283 - 0.00000 - - 4s
91 7 infeasible 10 - 0.00000 - 142 5s
Cutting planes:
Clique: 7
Zero half: 31
Explored 184 nodes (53500 simplex iterations) in 5.91 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: 4 -- 6
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 20:00:59 2012
Optimize a model with 3018 rows, 1122 columns and 9270 nonzeros
Presolve time: 0.01s
Presolved: 3018 rows, 1122 columns, 9270 nonzeros
Variable types: 0 continuous, 1122 integer (1122 binary)
Root relaxation: objective 0.000000e+00, 233 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 0 112 - 0.00000 - - 0s
0 0 0.00000 0 202 - 0.00000 - - 0s
0 0 0.00000 0 180 - 0.00000 - - 0s
0 0 0.00000 0 247 - 0.00000 - - 0s
0 0 0.00000 0 240 - 0.00000 - - 0s
0 0 0.00000 0 230 - 0.00000 - - 1s
0 0 0.00000 0 245 - 0.00000 - - 1s
0 0 0.00000 0 245 - 0.00000 - - 1s
0 2 0.00000 0 245 - 0.00000 - - 1s
H 374 0 0.0000000 0.00000 0.0% 39.4 2s
Cutting planes:
Clique: 1
Zero half: 12
Explored 374 nodes (30317 simplex iterations) in 2.22 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%
optimal solution found: number of colors: 5