current bounds on the number of colors: 0 -- 112
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:15:57 2012
Optimize a model with 3640 rows, 6335 columns and 16856 nonzeros
Presolve removed 28 rows and 1568 columns
Presolve time: 0.05s
Presolved: 3612 rows, 4767 columns, 15288 nonzeros
Variable types: 0 continuous, 4767 integer (4767 binary)
Root relaxation: objective 0.000000e+00, 135 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 (135 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 -- 56
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:15:57 2012
Optimize a model with 1876 rows, 3199 columns and 8428 nonzeros
Presolve removed 28 rows and 784 columns
Presolve time: 0.02s
Presolved: 1848 rows, 2415 columns, 7644 nonzeros
Variable types: 0 continuous, 2415 integer (2415 binary)
Root relaxation: objective 0.000000e+00, 135 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 (135 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 -- 28
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:15:57 2012
Optimize a model with 994 rows, 1631 columns and 4214 nonzeros
Presolve removed 28 rows and 392 columns
Presolve time: 0.01s
Presolved: 966 rows, 1239 columns, 3822 nonzeros
Variable types: 0 continuous, 1239 integer (1239 binary)
Root relaxation: objective 0.000000e+00, 140 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 (140 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 -- 14
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:15:57 2012
Optimize a model with 553 rows, 847 columns and 2107 nonzeros
Presolve removed 28 rows and 196 columns
Presolve time: 0.00s
Presolved: 525 rows, 651 columns, 1911 nonzeros
Variable types: 0 continuous, 651 integer (651 binary)
Root relaxation: objective 0.000000e+00, 134 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 (134 simplex iterations) in 0.00 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 16:15:57 2012
Optimize a model with 301 rows, 399 columns and 903 nonzeros
Presolve removed 28 rows and 84 columns
Presolve time: 0.00s
Presolved: 273 rows, 315 columns, 819 nonzeros
Variable types: 0 continuous, 315 integer (315 binary)
Root relaxation: objective 0.000000e+00, 123 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 (123 simplex iterations) in 0.00 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 16:15:57 2012
Optimize a model with 175 rows, 175 columns and 301 nonzeros
Presolve removed 175 rows and 175 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 16:15:57 2012
Optimize a model with 238 rows, 287 columns and 602 nonzeros
Presolve removed 128 rows and 164 columns
Presolve time: 0.00s
Presolved: 110 rows, 123 columns, 330 nonzeros
Variable types: 0 continuous, 123 integer (123 binary)
Root relaxation: objective 0.000000e+00, 49 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 (49 simplex iterations) in 0.00 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: 2