Warning: Output names have been modified to conform to LP format. Default row names c1, c2 ... being created. Tried aggregator 5 times. MIP Presolve eliminated 191290 rows and 35305 columns. MIP Presolve modified 23973 coefficients. Aggregator did 1265 substitutions. Reduced MIP has 61970 rows, 11380 columns, and 245156 nonzeros. Presolve time = 4.55 sec. Clique table members: 10654. MIP emphasis: balance optimality and feasibility. MIP search method: dynamic search. Parallel mode: none, using 1 thread. Root relaxation solution time = 0.72 sec. Nodes Cuts/ Node Left Objective IInf Best Integer Best Node ItCnt Gap 0 0 -2926.6222 356 -2926.6222 2211 * 0+ 0 -2914.0000 -2926.6222 2211 0.43% * 0 0 integral 0 -2919.0000 Cuts: 457 2314 0.00% 0 0 cutoff -2919.0000 -2919.0000 2314 0.00% GUB cover cuts applied: 1 Clique cuts applied: 179 Implied bound cuts applied: 29 Zero-half cuts applied: 32 Gomory fractional cuts applied: 14 >>>>>>> Objval = -2919.000000 (int)-2919 Warning: Output names have been modified to conform to LP format. Default row names c1, c2 ... being created. MIP start values provide initial solution with objective 1538.0000. Tried aggregator 5 times. MIP Presolve eliminated 191278 rows and 35296 columns. MIP Presolve modified 23969 coefficients. Aggregator did 1262 substitutions. Reduced MIP has 61985 rows, 11392 columns, and 248108 nonzeros. Presolve time = 4.67 sec. Clique table members: 10629. MIP emphasis: balance optimality and feasibility. MIP search method: dynamic search. Parallel mode: none, using 1 thread. Root relaxation solution time = 12.14 sec. Nodes Cuts/ Node Left Objective IInf Best Integer Best Node ItCnt Gap 0 0 194.5874 332 1538.0000 194.5874 12696 87.35% 0 0 427.5000 20 1538.0000 Cuts: 693 13628 72.20% * 0 0 integral 0 430.0000 Cuts: 9 13633 0.00% 0 0 cutoff 430.0000 430.0000 13633 0.00% Elapsed time = 19.83 sec. (tree size = 0.00 MB, solutions = 2) GUB cover cuts applied: 1 Clique cuts applied: 375 Cover cuts applied: 3 Implied bound cuts applied: 83 Zero-half cuts applied: 38 Gomory fractional cuts applied: 4 >>>>>>> Objval = 430.000000 (int)429 Warning: Output names have been modified to conform to LP format. Default row names c1, c2 ... being created. MIP start values provide initial solution with objective 2417.0000. Presolve has eliminated 182264 rows and 34920 columns... Aggregator has done 1200 substitutions... Tried aggregator 5 times. MIP Presolve eliminated 190718 rows and 35077 columns. MIP Presolve modified 23995 coefficients. Aggregator did 1210 substitutions. Reduced MIP has 62597 rows, 11663 columns, and 256326 nonzeros. Presolve time = 5.66 sec. Clique table members: 10460. MIP emphasis: balance optimality and feasibility. MIP search method: dynamic search. Parallel mode: none, using 1 thread. Root relaxation solution time = 17.98 sec. Nodes Cuts/ Node Left Objective IInf Best Integer Best Node ItCnt Gap 0 0 1880.2944 411 2417.0000 1880.2944 23695 22.21% 0 0 2069.8750 54 2417.0000 Cuts: 266 25309 14.36% 0 0 2098.6667 63 2417.0000 Cuts: 75 25351 13.17% * 0+ 0 2108.0000 2098.6667 25353 0.44% 0 0 cutoff 2108.0000 2098.6667 25353 0.44% Elapsed time = 28.19 sec. (tree size = 0.00 MB, solutions = 2) GUB cover cuts applied: 1 Clique cuts applied: 158 Implied bound cuts applied: 31 Zero-half cuts applied: 14 Gomory fractional cuts applied: 8