current bounds on the number of colors: 0 -- 202
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:30:30 2012
Optimize a model with 23230 rows, 20630 columns and 89486 nonzeros
Presolve removed 24 rows and 2424 columns
Presolve time: 0.14s
Presolved: 23206 rows, 18206 columns, 87062 nonzeros
Variable types: 0 continuous, 18206 integer (18206 binary)
Root relaxation: objective 0.000000e+00, 339 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 (339 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 -- 101
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:30:31 2012
Optimize a model with 11602 rows, 10328 columns and 44300 nonzeros
Presolve removed 24 rows and 1200 columns
Presolve time: 0.10s
Presolved: 11578 rows, 9128 columns, 43100 nonzeros
Variable types: 0 continuous, 9128 integer (9128 binary)
Root relaxation: objective 0.000000e+00, 342 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 (342 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 -- 50
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:30:31 2012
Optimize a model with 5902 rows, 5278 columns and 22150 nonzeros
Presolve removed 24 rows and 600 columns
Presolve time: 0.03s
Presolved: 5878 rows, 4678 columns, 21550 nonzeros
Variable types: 0 continuous, 4678 integer (4678 binary)
Root relaxation: objective 0.000000e+00, 340 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 (340 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 16:30:31 2012
Optimize a model with 2938 rows, 2652 columns and 10632 nonzeros
Presolve removed 24 rows and 288 columns
Presolve time: 0.01s
Presolved: 2914 rows, 2364 columns, 10344 nonzeros
Variable types: 0 continuous, 2364 integer (2364 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 (552 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 16:30:31 2012
Optimize a model with 1570 rows, 1440 columns and 5316 nonzeros
Presolve removed 24 rows and 144 columns
Presolve time: 0.01s
Presolved: 1546 rows, 1296 columns, 5172 nonzeros
Variable types: 0 continuous, 1296 integer (1296 binary)
Root relaxation: objective 0.000000e+00, 338 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 (338 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 16:30:31 2012
Optimize a model with 886 rows, 834 columns and 2658 nonzeros
Presolve removed 24 rows and 72 columns
Presolve time: 0.00s
Presolved: 862 rows, 762 columns, 2586 nonzeros
Variable types: 0 continuous, 762 integer (762 binary)
Root relaxation: objective 0.000000e+00, 353 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 (480 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 16:30:32 2012
Optimize a model with 430 rows, 430 columns and 886 nonzeros
Presolve removed 430 rows and 430 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 16:30:32 2012
Optimize a model with 658 rows, 632 columns and 1772 nonzeros
Presolve removed 210 rows and 238 columns
Presolve time: 0.00s
Presolved: 448 rows, 394 columns, 1344 nonzeros
Variable types: 0 continuous, 394 integer (394 binary)
Root relaxation: objective 0.000000e+00, 195 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 0 166 - 0.00000 - - 0s
0 0 infeasible 0 - 0.10000 - - 0s
Explored 0 nodes (676 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