current bounds on the number of colors: 0 -- 79
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 19:39:34 2012
Optimize a model with 11467 rows, 3373 columns and 37245 nonzeros
Presolve time: 0.06s
Presolved: 11467 rows, 3373 columns, 37245 nonzeros
Variable types: 0 continuous, 3373 integer (3373 binary)
Root relaxation: objective 0.000000e+00, 205 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 (379 simplex iterations) in 0.09 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 -- 39
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 19:39:34 2012
Optimize a model with 5627 rows, 1793 columns and 18145 nonzeros
Presolve time: 0.02s
Presolved: 5627 rows, 1793 columns, 18145 nonzeros
Variable types: 0 continuous, 1793 integer (1793 binary)
Root relaxation: objective 0.000000e+00, 162 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 (309 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 -- 19
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 19:39:35 2012
Optimize a model with 2707 rows, 1003 columns and 8595 nonzeros
Presolve time: 0.01s
Presolved: 2707 rows, 1003 columns, 8595 nonzeros
Variable types: 0 continuous, 1003 integer (1003 binary)
Root relaxation: objective 0.000000e+00, 163 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 (293 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 -- 9
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 19:39:35 2012
Optimize a model with 1247 rows, 608 columns and 3820 nonzeros
Presolve time: 0.00s
Presolved: 1247 rows, 608 columns, 3820 nonzeros
Variable types: 0 continuous, 608 integer (608 binary)
Root relaxation: objective 0.000000e+00, 186 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 0 148 - 0.00000 - - 0s
0 0 0.00000 0 133 - 0.00000 - - 0s
* 0 0 0 0.0000000 0.00000 0.0% - 0s
Explored 0 nodes (2617 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 -- 4
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 19:39:35 2012
Optimize a model with 663 rows, 450 columns and 1910 nonzeros
Presolve removed 79 rows and 79 columns
Presolve time: 0.00s
Presolved: 584 rows, 371 columns, 1752 nonzeros
Variable types: 0 continuous, 371 integer (371 binary)
Root relaxation: objective 0.000000e+00, 85 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 79 - 0.00000 - - 0s
0 0 infeasible 0 - 0.10000 - - 0s
Explored 0 nodes (333 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 -- 4
Gurobi 5.0.1 (linux64) logging started Thu Dec 13 19:39:35 2012
Optimize a model with 955 rows, 529 columns and 2865 nonzeros
Presolve time: 0.00s
Presolved: 955 rows, 529 columns, 2865 nonzeros
Variable types: 0 continuous, 529 integer (529 binary)
Root relaxation: objective 0.000000e+00, 183 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 0 154 - 0.00000 - - 0s
0 0 0.00000 0 156 - 0.00000 - - 0s
0 0 infeasible 0 - 0.10000 - - 0s
Explored 0 nodes (1555 simplex iterations) in 0.09 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: 4