current bounds on the number of colors: 0 -- 87
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 19:42:50 2012
Optimize a model with 15911 rows, 4109 columns and 51213 nonzeros
Presolve time: 0.09s
Presolved: 15911 rows, 4109 columns, 51213 nonzeros
Variable types: 0 continuous, 4109 integer (4109 binary)
Root relaxation: objective 0.000000e+00, 247 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 (443 simplex iterations) in 0.12 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 -- 43
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 19:42:51 2012
Optimize a model with 7815 rows, 2195 columns and 25011 nonzeros
Presolve time: 0.03s
Presolved: 7815 rows, 2195 columns, 25011 nonzeros
Variable types: 0 continuous, 2195 integer (2195 binary)
Root relaxation: objective 0.000000e+00, 197 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 (347 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 -- 21
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 19:42:51 2012
Optimize a model with 3767 rows, 1238 columns and 11910 nonzeros
Presolve time: 0.01s
Presolved: 3767 rows, 1238 columns, 11910 nonzeros
Variable types: 0 continuous, 1238 integer (1238 binary)
Root relaxation: objective 0.000000e+00, 178 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 (319 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 -- 10
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 19:42:51 2012
Optimize a model with 1927 rows, 803 columns and 5955 nonzeros
Presolve time: 0.00s
Presolved: 1927 rows, 803 columns, 5955 nonzeros
Variable types: 0 continuous, 803 integer (803 binary)
Root relaxation: objective 0.000000e+00, 195 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 (698 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 -- 5
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 19:42:51 2012
Optimize a model with 823 rows, 542 columns and 2382 nonzeros
Presolve removed 87 rows and 87 columns
Presolve time: 0.00s
Presolved: 736 rows, 455 columns, 2208 nonzeros
Variable types: 0 continuous, 455 integer (455 binary)
Root relaxation: objective 0.000000e+00, 89 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 87 - 0.00000 - - 0s
0 0 infeasible 0 - 0.10000 - - 0s
Explored 0 nodes (343 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 19:42:51 2012
Optimize a model with 1191 rows, 629 columns and 3573 nonzeros
Presolve time: 0.00s
Presolved: 1191 rows, 629 columns, 3573 nonzeros
Variable types: 0 continuous, 629 integer (629 binary)
Root relaxation: objective 0.000000e+00, 191 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 0 172 - 0.00000 - - 0s
0 0 0.00000 0 170 - 0.00000 - - 0s
0 0 infeasible 0 - 0.10000 - - 0s
Explored 0 nodes (2085 simplex iterations) in 0.13 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 19:42:51 2012
Optimize a model with 1559 rows, 716 columns and 4764 nonzeros
Presolve time: 0.00s
Presolved: 1559 rows, 716 columns, 4764 nonzeros
Variable types: 0 continuous, 716 integer (716 binary)
Root relaxation: objective 0.000000e+00, 199 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 0 166 - 0.00000 - - 0s
0 0 0.00000 0 188 - 0.00000 - - 0s
0 0 0.00000 0 196 - 0.00000 - - 0s
0 0 0.00000 0 219 - 0.00000 - - 0s
0 0 0.00000 0 175 - 0.00000 - - 0s
0 0 0.00000 0 198 - 0.00000 - - 0s
0 0 0.00000 0 196 - 0.00000 - - 0s
0 0 0.00000 0 228 - 0.00000 - - 0s
0 0 0.00000 0 227 - 0.00000 - - 0s
0 2 0.00000 0 222 - 0.00000 - - 0s
1216 27 0.00000 0 196 - 0.00000 - 47.5 5s
1425 12 0.00000 18 176 - 0.00000 - 71.7 10s
Cutting planes:
Clique: 1
Zero half: 7
Explored 1470 nodes (118141 simplex iterations) in 10.23 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