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 191490 rows and 35376 columns. MIP Presolve modified 23960 coefficients. Aggregator did 1261 substitutions. Reduced MIP has 61774 rows, 11313 columns, and 244504 nonzeros. Presolve time = 4.50 sec. Clique table members: 10613. MIP emphasis: balance optimality and feasibility. MIP search method: dynamic search. Parallel mode: none, using 1 thread. Root relaxation solution time = 0.53 sec. Nodes Cuts/ Node Left Objective IInf Best Integer Best Node ItCnt Gap 0 0 -2928.2222 194 -2928.2222 1571 * 0+ 0 -2920.0000 -2928.2222 1571 0.28% 0 0 -2927.0000 82 -2920.0000 Cuts: 387 1665 0.24% * 0+ 0 -2927.0000 -2927.0000 1665 0.00% 0 0 cutoff -2927.0000 -2927.0000 1665 0.00% GUB cover cuts applied: 2 Clique cuts applied: 63 Implied bound cuts applied: 30 Zero-half cuts applied: 27 Gomory fractional cuts applied: 14 >>>>>>> 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 1589.0000. Tried aggregator 5 times. MIP Presolve eliminated 191478 rows and 35367 columns. MIP Presolve modified 23956 coefficients. Aggregator did 1258 substitutions. Reduced MIP has 61789 rows, 11325 columns, and 247459 nonzeros. Presolve time = 4.52 sec. Clique table members: 10588. MIP emphasis: balance optimality and feasibility. MIP search method: dynamic search. Parallel mode: none, using 1 thread. Root relaxation solution time = 10.13 sec. Nodes Cuts/ Node Left Objective IInf Best Integer Best Node ItCnt Gap 0 0 400.6572 687 1589.0000 400.6572 13504 74.79% 0 0 527.5000 26 1589.0000 Cuts: 455 13811 66.80% * 0 0 integral 0 531.0000 Cuts: 13 13821 0.00% 0 0 cutoff 531.0000 531.0000 13821 0.00% Elapsed time = 16.52 sec. (tree size = 0.00 MB, solutions = 2) GUB cover cuts applied: 1 Clique cuts applied: 214 Cover cuts applied: 3 Implied bound cuts applied: 52 Zero-half cuts applied: 26 Gomory fractional cuts applied: 4 >>>>>>> Objval = 531.000000 (int)531 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 2262.0000. Tried aggregator 5 times. Presolve has eliminated 190918 rows and 35148 columns... Aggregator has done 1206 substitutions... MIP Presolve eliminated 190918 rows and 35148 columns. MIP Presolve modified 23983 coefficients. Aggregator did 1206 substitutions. Reduced MIP has 62401 rows, 11596 columns, and 255642 nonzeros. Presolve time = 5.21 sec. Clique table members: 10419. MIP emphasis: balance optimality and feasibility. MIP search method: dynamic search. Parallel mode: none, using 1 thread. Root relaxation solution time = 12.55 sec. Nodes Cuts/ Node Left Objective IInf Best Integer Best Node ItCnt Gap 0 0 1795.5278 139 2262.0000 1795.5278 20412 20.62% 0 0 1908.0000 24 2262.0000 Cuts: 307 21293 15.65% 0 0 1933.6667 63 2262.0000 Cuts: 56 21340 14.52% * 0+ 0 1943.0000 1933.6667 21342 0.48% 0 0 cutoff 1943.0000 1933.6667 21342 0.48% Elapsed time = 20.59 sec. (tree size = 0.00 MB, solutions = 2) GUB cover cuts applied: 1 Clique cuts applied: 163 Implied bound cuts applied: 22 Zero-half cuts applied: 16 Gomory fractional cuts applied: 11