current bounds on the number of colors: 0 -- 147
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:19:27 2012
Optimize a model with 9199 rows, 10855 columns and 37887 nonzeros
Presolve removed 30 rows and 2190 columns
Presolve time: 0.11s
Presolved: 9169 rows, 8665 columns, 35697 nonzeros
Variable types: 0 continuous, 8665 integer (8665 binary)
Root relaxation: objective 0.000000e+00, 205 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 (205 simplex iterations) in 0.11 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 -- 73
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:19:27 2012
Optimize a model with 4611 rows, 5416 columns and 18684 nonzeros
Presolve removed 30 rows and 1080 columns
Presolve time: 0.04s
Presolved: 4581 rows, 4336 columns, 17604 nonzeros
Variable types: 0 continuous, 4336 integer (4336 binary)
Root relaxation: objective 0.000000e+00, 204 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 (204 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 -- 36
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:19:27 2012
Optimize a model with 2379 rows, 2770 columns and 9342 nonzeros
Presolve removed 30 rows and 540 columns
Presolve time: 0.01s
Presolved: 2349 rows, 2230 columns, 8802 nonzeros
Variable types: 0 continuous, 2230 integer (2230 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 0.02 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 -- 18
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:19:27 2012
Optimize a model with 1263 rows, 1447 columns and 4671 nonzeros
Presolve removed 30 rows and 270 columns
Presolve time: 0.01s
Presolved: 1233 rows, 1177 columns, 4401 nonzeros
Variable types: 0 continuous, 1177 integer (1177 binary)
Root relaxation: objective 0.000000e+00, 205 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 (205 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 Sat Dec 15 16:19:27 2012
Optimize a model with 643 rows, 712 columns and 2076 nonzeros
Presolve removed 30 rows and 120 columns
Presolve time: 0.00s
Presolved: 613 rows, 592 columns, 1956 nonzeros
Variable types: 0 continuous, 592 integer (592 binary)
Root relaxation: objective 0.000000e+00, 187 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 (187 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 -- 4
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:19:27 2012
Optimize a model with 395 rows, 418 columns and 1038 nonzeros
Presolve removed 159 rows and 195 columns
Presolve time: 0.00s
Presolved: 236 rows, 223 columns, 708 nonzeros
Variable types: 0 continuous, 223 integer (223 binary)
Root relaxation: objective 0.000000e+00, 114 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 0 101 - 0.00000 - - 0s
0 0 infeasible 0 - 0.10000 - - 0s
Explored 0 nodes (373 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 -- 4
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:19:27 2012
Optimize a model with 519 rows, 565 columns and 1557 nonzeros
Presolve removed 30 rows and 90 columns
Presolve time: 0.00s
Presolved: 489 rows, 475 columns, 1467 nonzeros
Variable types: 0 continuous, 475 integer (475 binary)
Root relaxation: objective 0.000000e+00, 178 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 (178 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