current bounds on the number of colors: 0 -- 229
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:39:36 2012
Optimize a model with 31579 rows, 26381 columns and 120156 nonzeros
Presolve removed 20 rows and 2280 columns
Presolve time: 0.15s
Presolved: 31559 rows, 24101 columns, 117876 nonzeros
Variable types: 0 continuous, 24101 integer (24101 binary)
Root relaxation: objective 0.000000e+00, 405 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 (405 simplex iterations) in 0.18 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 -- 114
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:39:37 2012
Optimize a model with 15904 rows, 13328 columns and 60078 nonzeros
Presolve removed 20 rows and 1140 columns
Presolve time: 0.12s
Presolved: 15884 rows, 12188 columns, 58938 nonzeros
Variable types: 0 continuous, 12188 integer (12188 binary)
Root relaxation: objective 0.000000e+00, 402 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 (402 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 -- 57
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:39:37 2012
Optimize a model with 7929 rows, 6687 columns and 29512 nonzeros
Presolve removed 20 rows and 560 columns
Presolve time: 0.05s
Presolved: 7909 rows, 6127 columns, 28952 nonzeros
Variable types: 0 continuous, 6127 integer (6127 binary)
Root relaxation: objective 0.000000e+00, 406 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 (406 simplex iterations) in 0.06 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 -- 28
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:39:38 2012
Optimize a model with 4079 rows, 3481 columns and 14756 nonzeros
Presolve removed 20 rows and 280 columns
Presolve time: 0.02s
Presolved: 4059 rows, 3201 columns, 14476 nonzeros
Variable types: 0 continuous, 3201 integer (3201 binary)
Root relaxation: objective 0.000000e+00, 423 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 (666 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 -- 14
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:39:38 2012
Optimize a model with 2154 rows, 1878 columns and 7378 nonzeros
Presolve removed 20 rows and 140 columns
Presolve time: 0.01s
Presolved: 2134 rows, 1738 columns, 7238 nonzeros
Variable types: 0 continuous, 1738 integer (1738 binary)
Root relaxation: objective 0.000000e+00, 390 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 (390 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 -- 7
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:39:38 2012
Optimize a model with 1054 rows, 962 columns and 3162 nonzeros
Presolve removed 20 rows and 60 columns
Presolve time: 0.00s
Presolved: 1034 rows, 902 columns, 3102 nonzeros
Variable types: 0 continuous, 902 integer (902 binary)
Root relaxation: objective 0.000000e+00, 426 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 (600 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 -- 3
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:39:38 2012
Optimize a model with 504 rows, 504 columns and 1054 nonzeros
Presolve removed 504 rows and 504 columns
Presolve time: 0.00s
Explored 0 nodes (0 simplex iterations) in 0.00 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: 1 -- 3
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:39:38 2012
Optimize a model with 779 rows, 733 columns and 2108 nonzeros
Presolve removed 229 rows and 249 columns
Presolve time: 0.00s
Presolved: 550 rows, 484 columns, 1650 nonzeros
Variable types: 0 continuous, 484 integer (484 binary)
Root relaxation: objective 0.000000e+00, 230 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 0 209 - 0.00000 - - 0s
0 0 infeasible 0 - 0.10000 - - 0s
Explored 0 nodes (753 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 -
optimal solution found: number of colors: 3