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 191598 rows and 35381 columns. MIP Presolve modified 24093 coefficients. Aggregator did 1261 substitutions. Reduced MIP has 61666 rows, 11308 columns, and 244141 nonzeros. Presolve time = 4.47 sec. Clique table members: 10606. MIP emphasis: balance optimality and feasibility. MIP search method: dynamic search. Parallel mode: none, using 1 thread. Root relaxation solution time = 0.63 sec. Nodes Cuts/ Node Left Objective IInf Best Integer Best Node ItCnt Gap 0 0 -2928.2222 195 -2928.2222 1558 * 0+ 0 -2920.0000 -2928.2222 1558 0.28% * 0 0 integral 0 -2927.0000 Cuts: 447 1623 0.00% 0 0 cutoff -2927.0000 -2927.0000 1623 0.00% GUB cover cuts applied: 2 Clique cuts applied: 170 Cover cuts applied: 1 Implied bound cuts applied: 32 Zero-half cuts applied: 22 Gomory fractional cuts applied: 17 >>>>>>> Objval = -2927.000000 (int)-2927 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 1595.0000. Tried aggregator 5 times. MIP Presolve eliminated 191586 rows and 35372 columns. MIP Presolve modified 24093 coefficients. Aggregator did 1258 substitutions. Reduced MIP has 61681 rows, 11320 columns, and 247096 nonzeros. Presolve time = 4.48 sec. Clique table members: 10581. MIP emphasis: balance optimality and feasibility. MIP search method: dynamic search. Parallel mode: none, using 1 thread. Root relaxation solution time = 10.17 sec. Nodes Cuts/ Node Left Objective IInf Best Integer Best Node ItCnt Gap 0 0 401.5412 692 1595.0000 401.5412 13458 74.83% 0 0 528.5000 26 1595.0000 Cuts: 482 13712 66.87% * 0 0 integral 0 532.0000 Cuts: 12 13718 0.00% 0 0 cutoff 532.0000 532.0000 13718 0.00% Elapsed time = 16.45 sec. (tree size = 0.00 MB, solutions = 2) GUB cover cuts applied: 1 Clique cuts applied: 218 Cover cuts applied: 3 Implied bound cuts applied: 50 Zero-half cuts applied: 40 Gomory fractional cuts applied: 4 >>>>>>> Objval = 532.000000 (int)532 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 2300.0000. Tried aggregator 5 times. Presolve has eliminated 191026 rows and 35153 columns... Aggregator has done 1206 substitutions... MIP Presolve eliminated 191026 rows and 35153 columns. MIP Presolve modified 24120 coefficients. Aggregator did 1206 substitutions. Reduced MIP has 62293 rows, 11591 columns, and 255277 nonzeros. Presolve time = 5.15 sec. Clique table members: 10412. MIP emphasis: balance optimality and feasibility. MIP search method: dynamic search. Parallel mode: none, using 1 thread. Root relaxation solution time = 13.18 sec. Nodes Cuts/ Node Left Objective IInf Best Integer Best Node ItCnt Gap 0 0 1797.5278 135 2300.0000 1797.5278 21473 21.85% 0 0 1910.0000 24 2300.0000 Cuts: 303 22302 16.96% 0 0 1929.5000 35 2300.0000 Cuts: 14 22326 16.11% * 0+ 0 1945.0000 1929.5000 22349 0.80% 0 0 cutoff 1945.0000 1929.5000 22349 0.80% Elapsed time = 20.74 sec. (tree size = 0.00 MB, solutions = 2) GUB cover cuts applied: 1 Clique cuts applied: 140 Implied bound cuts applied: 10 Zero-half cuts applied: 13 Gomory fractional cuts applied: 10