current bounds on the number of colors: 0 -- 165
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:22:12 2012
Optimize a model with 11153 rows, 13664 columns and 46494 nonzeros
Presolve removed 33 rows and 2706 columns
Presolve time: 0.12s
Presolved: 11120 rows, 10958 columns, 43788 nonzeros
Variable types: 0 continuous, 10958 integer (10958 binary)
Root relaxation: objective 0.000000e+00, 236 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 (236 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 -- 82
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:22:12 2012
Optimize a model with 5659 rows, 6899 columns and 23247 nonzeros
Presolve removed 33 rows and 1353 columns
Presolve time: 0.05s
Presolved: 5626 rows, 5546 columns, 21894 nonzeros
Variable types: 0 continuous, 5546 integer (5546 binary)
Root relaxation: objective 0.000000e+00, 235 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 (235 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 -- 41
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:22:12 2012
Optimize a model with 2845 rows, 3434 columns and 11340 nonzeros
Presolve removed 33 rows and 660 columns
Presolve time: 0.02s
Presolved: 2812 rows, 2774 columns, 10680 nonzeros
Variable types: 0 continuous, 2774 integer (2774 binary)
Root relaxation: objective 0.000000e+00, 236 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 (236 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 -- 20
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:22:12 2012
Optimize a model with 1505 rows, 1784 columns and 5670 nonzeros
Presolve removed 33 rows and 330 columns
Presolve time: 0.01s
Presolved: 1472 rows, 1454 columns, 5340 nonzeros
Variable types: 0 continuous, 1454 integer (1454 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 0.0000000 0.00000 0.0% - 0s
Explored 0 nodes (332 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 Sat Dec 15 16:22:12 2012
Optimize a model with 835 rows, 959 columns and 2835 nonzeros
Presolve removed 33 rows and 165 columns
Presolve time: 0.00s
Presolved: 802 rows, 794 columns, 2670 nonzeros
Variable types: 0 continuous, 794 integer (794 binary)
Root relaxation: objective 0.000000e+00, 203 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 (203 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 -- 5
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:22:12 2012
Optimize a model with 433 rows, 464 columns and 1134 nonzeros
Presolve removed 175 rows and 213 columns
Presolve time: 0.00s
Presolved: 258 rows, 251 columns, 774 nonzeros
Variable types: 0 continuous, 251 integer (251 binary)
Root relaxation: objective 0.000000e+00, 128 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 0 108 - 0.00000 - - 0s
0 0 infeasible 0 - 0.10000 - - 0s
Explored 0 nodes (419 simplex iterations) in 0.00 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 Sat Dec 15 16:22:12 2012
Optimize a model with 567 rows, 629 columns and 1701 nonzeros
Presolve removed 33 rows and 99 columns
Presolve time: 0.00s
Presolved: 534 rows, 530 columns, 1602 nonzeros
Variable types: 0 continuous, 530 integer (530 binary)
Root relaxation: objective 0.000000e+00, 198 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 (198 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: 3