current bounds on the number of colors: 0 -- 141
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:18:43 2012
Optimize a model with 5951 rows, 9953 columns and 27300 nonzeros
Presolve removed 46 rows and 3220 columns
Presolve time: 0.08s
Presolved: 5905 rows, 6733 columns, 24080 nonzeros
Variable types: 0 continuous, 6733 integer (6733 binary)
Root relaxation: objective 0.000000e+00, 158 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 (158 simplex iterations) in 0.09 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 -- 70
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:18:43 2012
Optimize a model with 3046 rows, 5018 columns and 13650 nonzeros
Presolve removed 46 rows and 1610 columns
Presolve time: 0.03s
Presolved: 3000 rows, 3408 columns, 12040 nonzeros
Variable types: 0 continuous, 3408 integer (3408 binary)
Root relaxation: objective 0.000000e+00, 157 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 (157 simplex iterations) in 0.03 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 -- 35
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:18:44 2012
Optimize a model with 1552 rows, 2480 columns and 6630 nonzeros
Presolve removed 46 rows and 782 columns
Presolve time: 0.01s
Presolved: 1506 rows, 1698 columns, 5848 nonzeros
Variable types: 0 continuous, 1698 integer (1698 binary)
Root relaxation: objective 0.000000e+00, 159 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 (159 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 -- 17
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:18:44 2012
Optimize a model with 805 rows, 1211 columns and 3120 nonzeros
Presolve removed 46 rows and 368 columns
Presolve time: 0.00s
Presolved: 759 rows, 843 columns, 2752 nonzeros
Variable types: 0 continuous, 843 integer (843 binary)
Root relaxation: objective 0.000000e+00, 157 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 (157 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 -- 8
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:18:44 2012
Optimize a model with 473 rows, 647 columns and 1560 nonzeros
Presolve removed 46 rows and 184 columns
Presolve time: 0.00s
Presolved: 427 rows, 463 columns, 1376 nonzeros
Variable types: 0 continuous, 463 integer (463 binary)
Root relaxation: objective 0.000000e+00, 142 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 (186 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 16:18:44 2012
Optimize a model with 307 rows, 365 columns and 780 nonzeros
Presolve removed 157 rows and 211 columns
Presolve time: 0.00s
Presolved: 150 rows, 154 columns, 450 nonzeros
Variable types: 0 continuous, 154 integer (154 binary)
Root relaxation: objective 0.000000e+00, 77 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 53 - 0.00000 - - 0s
0 0 infeasible 0 - 0.10000 - - 0s
Explored 0 nodes (215 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 16:18:44 2012
Optimize a model with 390 rows, 506 columns and 1170 nonzeros
Presolve removed 46 rows and 138 columns
Presolve time: 0.00s
Presolved: 344 rows, 368 columns, 1032 nonzeros
Variable types: 0 continuous, 368 integer (368 binary)
Root relaxation: objective 0.000000e+00, 149 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 6 - 0.00000 - - 0s
H 0 0 0.0000000 0.00000 0.0% - 0s
Explored 0 nodes (239 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