current bounds on the number of colors: 0 -- 118
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 20:44:43 2012
Optimize a model with 40769 rows, 7651 columns and 128915 nonzeros
Presolve time: 0.16s
Presolved: 40769 rows, 7651 columns, 128915 nonzeros
Variable types: 0 continuous, 7651 integer (7651 binary)
Root relaxation: objective 0.000000e+00, 301 iterations, 0.05 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 (559 simplex iterations) in 0.25 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 -- 59
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 20:44:43 2012
Optimize a model with 20099 rows, 4111 columns and 63365 nonzeros
Presolve time: 0.09s
Presolved: 20099 rows, 4111 columns, 63365 nonzeros
Variable types: 0 continuous, 4111 integer (4111 binary)
Root relaxation: objective 0.000000e+00, 283 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 (530 simplex iterations) in 0.13 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 -- 29
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 20:44:44 2012
Optimize a model with 9764 rows, 2341 columns and 30590 nonzeros
Presolve time: 0.03s
Presolved: 9764 rows, 2341 columns, 30590 nonzeros
Variable types: 0 continuous, 2341 integer (2341 binary)
Root relaxation: objective 0.000000e+00, 243 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 0.05 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 -- 14
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 20:44:44 2012
Optimize a model with 4941 rows, 1515 columns and 15295 nonzeros
Presolve time: 0.01s
Presolved: 4941 rows, 1515 columns, 15295 nonzeros
Variable types: 0 continuous, 1515 integer (1515 binary)
Root relaxation: objective 0.000000e+00, 243 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 (794 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 -- 7
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 20:44:44 2012
Optimize a model with 2185 rows, 1043 columns and 6555 nonzeros
Presolve time: 0.01s
Presolved: 2185 rows, 1043 columns, 6555 nonzeros
Variable types: 0 continuous, 1043 integer (1043 binary)
Root relaxation: objective 0.000000e+00, 264 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 0 186 - 0.00000 - - 0s
0 0 0.00000 0 252 - 0.00000 - - 0s
0 0 infeasible 0 - 0.10000 - - 0s
Explored 0 nodes (4264 simplex iterations) in 0.41 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 -- 7
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 20:44:44 2012
Optimize a model with 3563 rows, 1279 columns and 10925 nonzeros
Presolve time: 0.01s
Presolved: 3563 rows, 1279 columns, 10925 nonzeros
Variable types: 0 continuous, 1279 integer (1279 binary)
Root relaxation: objective 0.000000e+00, 249 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 0 230 - 0.00000 - - 0s
0 0 0.00000 0 204 - 0.00000 - - 0s
0 0 0.00000 0 221 - 0.00000 - - 0s
0 0 0.00000 0 286 - 0.00000 - - 0s
0 0 0.00000 0 203 - 0.00000 - - 1s
0 0 0.00000 0 277 - 0.00000 - - 1s
0 0 0.00000 0 288 - 0.00000 - - 1s
0 0 0.00000 0 315 - 0.00000 - - 2s
0 0 0.00000 0 305 - 0.00000 - - 2s
0 2 0.00000 0 304 - 0.00000 - - 2s
752 90 0.00000 22 178 - 0.00000 - 58.8 5s
912 128 infeasible 28 - 0.00000 - 84.4 10s
* 940 64 28 0.0000000 0.00000 0.0% 86.7 10s
Cutting planes:
Clique: 1
Zero half: 1
Explored 941 nodes (103132 simplex iterations) in 10.25 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: 3 -- 5
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 20:44:55 2012
Optimize a model with 2874 rows, 1161 columns and 8740 nonzeros
Presolve time: 0.01s
Presolved: 2874 rows, 1161 columns, 8740 nonzeros
Variable types: 0 continuous, 1161 integer (1161 binary)
Root relaxation: objective 0.000000e+00, 257 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 0 232 - 0.00000 - - 0s
0 0 0.00000 0 228 - 0.00000 - - 0s
0 0 0.00000 0 299 - 0.00000 - - 0s
0 0 0.00000 0 356 - 0.00000 - - 0s
0 0 0.00000 0 260 - 0.00000 - - 1s
0 0 0.00000 0 355 - 0.00000 - - 1s
0 0 0.00000 0 341 - 0.00000 - - 2s
0 0 0.00000 0 329 - 0.00000 - - 2s
0 0 0.00000 0 328 - 0.00000 - - 3s
0 0 0.00000 0 320 - 0.00000 - - 3s
0 0 0.00000 0 318 - 0.00000 - - 4s
0 0 0.00000 0 312 - 0.00000 - - 4s
0 0 0.00000 0 314 - 0.00000 - - 5s
0 0 0.00000 0 313 - 0.00000 - - 5s
0 0 0.00000 0 315 - 0.00000 - - 6s
0 0 0.00000 0 315 - 0.00000 - - 6s
0 2 0.00000 0 315 - 0.00000 - - 7s
Cutting planes:
Clique: 11
Zero half: 33
Explored 25 nodes (44210 simplex iterations) in 7.33 seconds
Thread count was 1 (of 16 available processors)
Model objective exceeds cutoff
Best objective -, best bound -, gap -
optimal solution found: number of colors: 5