current bounds on the number of colors: 0 -- 214
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:34:26 2012
Optimize a model with 27178 rows, 23150 columns and 103790 nonzeros
Presolve removed 18 rows and 1926 columns
Presolve time: 0.14s
Presolved: 27160 rows, 21224 columns, 101864 nonzeros
Variable types: 0 continuous, 21224 integer (21224 binary)
Root relaxation: objective 0.000000e+00, 352 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 (352 simplex iterations) in 0.16 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 -- 107
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:34:26 2012
Optimize a model with 13570 rows, 11594 columns and 51410 nonzeros
Presolve removed 18 rows and 954 columns
Presolve time: 0.12s
Presolved: 13552 rows, 10640 columns, 50456 nonzeros
Variable types: 0 continuous, 10640 integer (10640 binary)
Root relaxation: objective 0.000000e+00, 354 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 (354 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 -- 53
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:34:26 2012
Optimize a model with 6766 rows, 5816 columns and 25220 nonzeros
Presolve removed 18 rows and 468 columns
Presolve time: 0.04s
Presolved: 6748 rows, 5348 columns, 24752 nonzeros
Variable types: 0 continuous, 5348 integer (5348 binary)
Root relaxation: objective 0.000000e+00, 351 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 (351 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 -- 26
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:34:27 2012
Optimize a model with 3490 rows, 3034 columns and 12610 nonzeros
Presolve removed 18 rows and 234 columns
Presolve time: 0.02s
Presolved: 3472 rows, 2800 columns, 12376 nonzeros
Variable types: 0 continuous, 2800 integer (2800 binary)
Root relaxation: objective 0.000000e+00, 372 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 (565 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 -- 13
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:34:27 2012
Optimize a model with 1726 rows, 1536 columns and 5820 nonzeros
Presolve removed 18 rows and 108 columns
Presolve time: 0.01s
Presolved: 1708 rows, 1428 columns, 5712 nonzeros
Variable types: 0 continuous, 1428 integer (1428 binary)
Root relaxation: objective 0.000000e+00, 380 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 (546 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 16:34:27 2012
Optimize a model with 970 rows, 894 columns and 2910 nonzeros
Presolve removed 18 rows and 54 columns
Presolve time: 0.00s
Presolved: 952 rows, 840 columns, 2856 nonzeros
Variable types: 0 continuous, 840 integer (840 binary)
Root relaxation: objective 0.000000e+00, 378 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 (502 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 -- 3
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:34:27 2012
Optimize a model with 466 rows, 466 columns and 970 nonzeros
Presolve removed 466 rows and 466 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 16:34:27 2012
Optimize a model with 718 rows, 680 columns and 1940 nonzeros
Presolve removed 218 rows and 238 columns
Presolve time: 0.00s
Presolved: 500 rows, 442 columns, 1500 nonzeros
Variable types: 0 continuous, 442 integer (442 binary)
Root relaxation: objective 0.000000e+00, 222 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 0 192 - 0.00000 - - 0s
0 0 infeasible 0 - 0.10000 - - 0s
Explored 0 nodes (691 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