current bounds on the number of colors: 0 -- 206
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:31:42 2012
Optimize a model with 22351 rows, 21433 columns and 87653 nonzeros
Presolve removed 26 rows and 2678 columns
Presolve time: 0.14s
Presolved: 22325 rows, 18755 columns, 84975 nonzeros
Variable types: 0 continuous, 18755 integer (18755 binary)
Root relaxation: objective 0.000000e+00, 332 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 (506 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 -- 103
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:31:42 2012
Optimize a model with 11171 rows, 10721 columns and 43401 nonzeros
Presolve removed 26 rows and 1326 columns
Presolve time: 0.10s
Presolved: 11145 rows, 9395 columns, 42075 nonzeros
Variable types: 0 continuous, 9395 integer (9395 binary)
Root relaxation: objective 0.000000e+00, 332 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 (483 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 -- 51
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:31:43 2012
Optimize a model with 5581 rows, 5365 columns and 21275 nonzeros
Presolve removed 26 rows and 650 columns
Presolve time: 0.03s
Presolved: 5555 rows, 4715 columns, 20625 nonzeros
Variable types: 0 continuous, 4715 integer (4715 binary)
Root relaxation: objective 0.000000e+00, 332 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 (332 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 -- 25
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:31:43 2012
Optimize a model with 2786 rows, 2687 columns and 10212 nonzeros
Presolve removed 26 rows and 312 columns
Presolve time: 0.01s
Presolved: 2760 rows, 2375 columns, 9900 nonzeros
Variable types: 0 continuous, 2375 integer (2375 binary)
Root relaxation: objective 0.000000e+00, 324 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 (324 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 -- 12
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:31:43 2012
Optimize a model with 1496 rows, 1451 columns and 5106 nonzeros
Presolve removed 26 rows and 156 columns
Presolve time: 0.01s
Presolved: 1470 rows, 1295 columns, 4950 nonzeros
Variable types: 0 continuous, 1295 integer (1295 binary)
Root relaxation: objective 0.000000e+00, 328 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 (328 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 -- 6
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:31:43 2012
Optimize a model with 851 rows, 833 columns and 2553 nonzeros
Presolve removed 26 rows and 78 columns
Presolve time: 0.00s
Presolved: 825 rows, 755 columns, 2475 nonzeros
Variable types: 0 continuous, 755 integer (755 binary)
Root relaxation: objective 0.000000e+00, 355 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 (491 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 16:31:43 2012
Optimize a model with 421 rows, 421 columns and 851 nonzeros
Presolve removed 421 rows and 421 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 16:31:43 2012
Optimize a model with 636 rows, 627 columns and 1702 nonzeros
Presolve removed 216 rows and 247 columns
Presolve time: 0.00s
Presolved: 420 rows, 380 columns, 1260 nonzeros
Variable types: 0 continuous, 380 integer (380 binary)
Root relaxation: objective 0.000000e+00, 184 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 0 159 - 0.00000 - - 0s
0 0 infeasible 0 - 0.10000 - - 0s
Explored 0 nodes (599 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