current bounds on the number of colors: 0 -- 90
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 19:44:40 2012
Optimize a model with 18765 rows, 4465 columns and 60075 nonzeros
Presolve time: 0.11s
Presolved: 18765 rows, 4465 columns, 60075 nonzeros
Variable types: 0 continuous, 4465 integer (4465 binary)
Root relaxation: objective 0.000000e+00, 250 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 (438 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 -- 45
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 19:44:40 2012
Optimize a model with 9220 rows, 2395 columns and 29370 nonzeros
Presolve time: 0.04s
Presolved: 9220 rows, 2395 columns, 29370 nonzeros
Variable types: 0 continuous, 2395 integer (2395 binary)
Root relaxation: objective 0.000000e+00, 199 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 (359 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 -- 22
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 19:44:40 2012
Optimize a model with 4655 rows, 1405 columns and 14685 nonzeros
Presolve time: 0.01s
Presolved: 4655 rows, 1405 columns, 14685 nonzeros
Variable types: 0 continuous, 1405 integer (1405 binary)
Root relaxation: objective 0.000000e+00, 189 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 (361 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 -- 11
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 19:44:40 2012
Optimize a model with 2165 rows, 865 columns and 6675 nonzeros
Presolve time: 0.01s
Presolved: 2165 rows, 865 columns, 6675 nonzeros
Variable types: 0 continuous, 865 integer (865 binary)
Root relaxation: objective 0.000000e+00, 192 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 60 - 0.00000 - - 0s
H 0 0 0.0000000 0.00000 0.0% - 0s
Explored 0 nodes (1506 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 -- 5
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 19:44:40 2012
Optimize a model with 920 rows, 595 columns and 2670 nonzeros
Presolve removed 90 rows and 90 columns
Presolve time: 0.00s
Presolved: 830 rows, 505 columns, 2490 nonzeros
Variable types: 0 continuous, 505 integer (505 binary)
Root relaxation: objective 0.000000e+00, 94 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 90 - 0.00000 - - 0s
Explored 0 nodes (383 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 -
current bounds on the number of colors: 2 -- 5
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 19:44:40 2012
Optimize a model with 1335 rows, 685 columns and 4005 nonzeros
Presolve time: 0.00s
Presolved: 1335 rows, 685 columns, 4005 nonzeros
Variable types: 0 continuous, 685 integer (685 binary)
Root relaxation: objective 0.000000e+00, 196 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 0 138 - 0.00000 - - 0s
0 0 0.00000 0 172 - 0.00000 - - 0s
0 0 infeasible 0 - 0.10000 - - 0s
Explored 0 nodes (2360 simplex iterations) in 0.17 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 -- 5
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 19:44:41 2012
Optimize a model with 1750 rows, 775 columns and 5340 nonzeros
Presolve time: 0.00s
Presolved: 1750 rows, 775 columns, 5340 nonzeros
Variable types: 0 continuous, 775 integer (775 binary)
Root relaxation: objective 0.000000e+00, 211 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 0 168 - 0.00000 - - 0s
0 0 0.00000 0 160 - 0.00000 - - 0s
0 0 0.00000 0 198 - 0.00000 - - 0s
0 0 0.00000 0 254 - 0.00000 - - 0s
0 0 0.00000 0 220 - 0.00000 - - 0s
0 0 0.00000 0 202 - 0.00000 - - 0s
0 0 0.00000 0 229 - 0.00000 - - 0s
0 0 0.00000 0 220 - 0.00000 - - 1s
0 0 0.00000 0 203 - 0.00000 - - 1s
0 0 0.00000 0 203 - 0.00000 - - 1s
0 0 0.00000 0 231 - 0.00000 - - 1s
0 0 0.00000 0 231 - 0.00000 - - 1s
0 2 0.00000 0 231 - 0.00000 - - 1s
Cutting planes:
Clique: 7
Zero half: 15
Explored 28 nodes (21957 simplex iterations) in 1.99 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