current bounds on the number of colors: 0 -- 140
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:18:38 2012
Optimize a model with 7140 rows, 9900 columns and 30800 nonzeros
Presolve removed 33 rows and 2310 columns
Presolve time: 0.10s
Presolved: 7107 rows, 7590 columns, 28490 nonzeros
Variable types: 0 continuous, 7590 integer (7590 binary)
Root relaxation: objective 0.000000e+00, 186 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 0.10 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 16:18:38 2012
Optimize a model with 3640 rows, 5000 columns and 15400 nonzeros
Presolve removed 33 rows and 1155 columns
Presolve time: 0.03s
Presolved: 3607 rows, 3845 columns, 14245 nonzeros
Variable types: 0 continuous, 3845 integer (3845 binary)
Root relaxation: objective 0.000000e+00, 186 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 0.03 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 16:18:38 2012
Optimize a model with 1840 rows, 2480 columns and 7480 nonzeros
Presolve removed 33 rows and 561 columns
Presolve time: 0.01s
Presolved: 1807 rows, 1919 columns, 6919 nonzeros
Variable types: 0 continuous, 1919 integer (1919 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 0.01 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 16:18:38 2012
Optimize a model with 940 rows, 1220 columns and 3520 nonzeros
Presolve removed 33 rows and 264 columns
Presolve time: 0.00s
Presolved: 907 rows, 956 columns, 3256 nonzeros
Variable types: 0 continuous, 956 integer (956 binary)
Root relaxation: objective 0.000000e+00, 177 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 (245 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 -- 8
Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:18:39 2012
Optimize a model with 540 rows, 660 columns and 1760 nonzeros
Presolve removed 33 rows and 132 columns
Presolve time: 0.00s
Presolved: 507 rows, 528 columns, 1628 nonzeros
Variable types: 0 continuous, 528 integer (528 binary)
Root relaxation: objective 0.000000e+00, 161 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 (213 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 16:18:39 2012
Optimize a model with 340 rows, 380 columns and 880 nonzeros
Presolve removed 152 rows and 191 columns
Presolve time: 0.00s
Presolved: 188 rows, 189 columns, 564 nonzeros
Variable types: 0 continuous, 189 integer (189 binary)
Root relaxation: objective 0.000000e+00, 104 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 76 - 0.00000 - - 0s
Explored 0 nodes (300 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 16:18:39 2012
Optimize a model with 440 rows, 520 columns and 1320 nonzeros
Presolve removed 33 rows and 99 columns
Presolve time: 0.00s
Presolved: 407 rows, 421 columns, 1221 nonzeros
Variable types: 0 continuous, 421 integer (421 binary)
Root relaxation: objective 0.000000e+00, 151 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 (194 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