current bounds on the number of colors: 0 -- 130 Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:17:29 2012 Optimize a model with 5005 rows, 8525 columns and 23075 nonzeros Presolve removed 36 rows and 2340 columns Presolve time: 0.07s Presolved: 4969 rows, 6185 columns, 20735 nonzeros Variable types: 0 continuous, 6185 integer (6185 binary) Root relaxation: objective 0.000000e+00, 154 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 (154 simplex iterations) in 0.07 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 -- 65 Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:17:29 2012 Optimize a model with 2530 rows, 4235 columns and 11360 nonzeros Presolve removed 36 rows and 1152 columns Presolve time: 0.02s Presolved: 2494 rows, 3083 columns, 10208 nonzeros Variable types: 0 continuous, 3083 integer (3083 binary) Root relaxation: objective 0.000000e+00, 154 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 (154 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 -- 32 Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:17:29 2012 Optimize a model with 1330 rows, 2155 columns and 5680 nonzeros Presolve removed 36 rows and 576 columns Presolve time: 0.01s Presolved: 1294 rows, 1579 columns, 5104 nonzeros Variable types: 0 continuous, 1579 integer (1579 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 0.01 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 -- 16 Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:17:29 2012 Optimize a model with 730 rows, 1115 columns and 2840 nonzeros Presolve removed 36 rows and 288 columns Presolve time: 0.00s Presolved: 694 rows, 827 columns, 2552 nonzeros Variable types: 0 continuous, 827 integer (827 binary) Root relaxation: objective 0.000000e+00, 141 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 (141 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 16:17:29 2012 Optimize a model with 430 rows, 595 columns and 1420 nonzeros Presolve removed 36 rows and 144 columns Presolve time: 0.00s Presolved: 394 rows, 451 columns, 1276 nonzeros Variable types: 0 continuous, 451 integer (451 binary) Root relaxation: objective 0.000000e+00, 131 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 (131 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 16:17:29 2012 Optimize a model with 280 rows, 335 columns and 710 nonzeros Presolve removed 154 rows and 202 columns Presolve time: 0.00s Presolved: 126 rows, 133 columns, 378 nonzeros Variable types: 0 continuous, 133 integer (133 binary) Root relaxation: objective 0.000000e+00, 42 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 (42 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 -- 2 Gurobi 5.0.1 (linux64) logging started Sat Dec 15 16:17:29 2012 Optimize a model with 205 rows, 205 columns and 355 nonzeros Presolve removed 205 rows and 205 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 - optimal solution found: number of colors: 2