current bounds on the number of colors: 0 -- 86
Gurobi 5.0.1 (linux64) logging started Fri Dec 14 18:22:10 2012
Optimize a model with 9159 rows, 3909 columns and 30917 nonzeros
Presolve removed 1 rows and 43 columns
Presolve time: 0.06s
Presolved: 9158 rows, 3866 columns, 30874 nonzeros
Variable types: 0 continuous, 3866 integer (3866 binary)
Root relaxation: objective 0.000000e+00, 218 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 (218 simplex iterations) in 0.07 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 Fri Dec 14 18:22:10 2012
Optimize a model with 4517 rows, 2017 columns and 15099 nonzeros
Presolve removed 1 rows and 21 columns
Presolve time: 0.02s
Presolved: 4516 rows, 1996 columns, 15078 nonzeros
Variable types: 0 continuous, 1996 integer (1996 binary)
Root relaxation: objective 0.000000e+00, 214 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 (368 simplex iterations) in 0.03 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 Fri Dec 14 18:22:10 2012
Optimize a model with 2196 rows, 1071 columns and 7190 nonzeros
Presolve removed 1 rows and 10 columns
Presolve time: 0.01s
Presolved: 2195 rows, 1061 columns, 7180 nonzeros
Variable types: 0 continuous, 1061 integer (1061 binary)
Root relaxation: objective 0.000000e+00, 187 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 (312 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 -- 10
Gurobi 5.0.1 (linux64) logging started Fri Dec 14 18:22:10 2012
Optimize a model with 1141 rows, 641 columns and 3595 nonzeros
Presolve removed 1 rows and 5 columns
Presolve time: 0.00s
Presolved: 1140 rows, 636 columns, 3590 nonzeros
Variable types: 0 continuous, 636 integer (636 binary)
Root relaxation: objective 0.000000e+00, 204 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 (413 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 -- 5
Gurobi 5.0.1 (linux64) logging started Fri Dec 14 18:22:10 2012
Optimize a model with 508 rows, 383 columns and 1438 nonzeros
Presolve removed 86 rows and 87 columns
Presolve time: 0.00s
Presolved: 422 rows, 296 columns, 1266 nonzeros
Variable types: 0 continuous, 296 integer (296 binary)
Root relaxation: objective 0.000000e+00, 98 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 85 - 0.00000 - - 0s
Explored 0 nodes (356 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 Fri Dec 14 18:22:10 2012
Optimize a model with 719 rows, 469 columns and 2157 nonzeros
Presolve removed 1 rows and 3 columns
Presolve time: 0.00s
Presolved: 718 rows, 466 columns, 2154 nonzeros
Variable types: 0 continuous, 466 integer (466 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 0 150 - 0.00000 - - 0s
0 0 0.00000 0 134 - 0.00000 - - 0s
0 0 0.00000 0 143 - 0.00000 - - 0s
0 0 0.00000 0 137 - 0.00000 - - 0s
0 0 0.00000 0 197 - 0.00000 - - 0s
0 0 0.00000 0 150 - 0.00000 - - 0s
0 0 0.00000 0 165 - 0.00000 - - 0s
0 0 0.00000 0 147 - 0.00000 - - 0s
0 0 0.00000 0 191 - 0.00000 - - 0s
0 0 0.00000 0 96 - 0.00000 - - 0s
0 2 0.00000 0 96 - 0.00000 - - 0s
Cutting planes:
Zero half: 6
Explored 9 nodes (6000 simplex iterations) in 0.29 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: 3 -- 5
Gurobi 5.0.1 (linux64) logging started Fri Dec 14 18:22:11 2012
Optimize a model with 930 rows, 555 columns and 2876 nonzeros
Presolve removed 1 rows and 4 columns
Presolve time: 0.00s
Presolved: 929 rows, 551 columns, 2872 nonzeros
Variable types: 0 continuous, 551 integer (551 binary)
Root relaxation: objective 0.000000e+00, 209 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 (497 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%
optimal solution found: number of colors: 4