Welcome to IBM(R) ILOG(R) CPLEX(R) Interactive Optimizer 12.4.0.0 with Simplex, Mixed Integer & Barrier Optimizers 5725-A06 5725-A29 5724-Y48 5724-Y49 5724-Y54 5724-Y55 Copyright IBM Corp. 1988, 2011. All Rights Reserved. Type 'help' for a list of available commands. Type 'help' followed by a command name for more information on commands. CPLEX> Selected objective sense: MINIMIZE Selected objective name: obj Selected RHS name: rhs Selected bound name: bnd Problem 'in_i.mps.gz' read. Read time = 0.24 sec. CPLEX> Available MIP parameters: cuts set types of cuts used during mixed integer optimization display set level of mixed integer node display interval set interval for printing mixed integer node display limits set limits for mixed integer optimization ordertype set type of generated priority order polishafter set starting conditions for solution polishing pool set solution pool characteristics strategy set strategy for mixed integer optimization tolerances set tolerances for mixed integer optimization MIP parameter to set: Available mixed integer limits: aggforcut set constraint aggregation limit for cut generation auxrootthreads set number of threads to use for auxiliary root tasks cutpasses set number of cutting plane passes cutsfactor set rows multiplier factor to limit cuts eachcutlimit set limit on number of cuts for each type per pass gomorycand set candidate limit for generating Gomory fractional cuts gomorypass set pass limit for generating Gomory fractional cuts nodes set branch and cut node limit polishtime set time limit for polishing best solution populate set solutions limit for each populate call probetime set time limit for probing repairtries set number of times to try repair heuristic solutions set mixed integer solutions limit strongcand set strong branching candidate limit strongit set strong branching iteration limit submipnodelim set sub-MIP node limit treememory set upper limit on size of tree in megabytes Mixed integer limit to set: Present value for mixed integer solutions limit: 9223372036800000000 New value for mixed integer solutions limit: New value for mixed integer solutions limit: 1 CPLEX> Present value for time limit in seconds: 1e+75 New value for time limit in seconds: New value for time limit in seconds: 3600 CPLEX> Tried aggregator 2 times. MIP Presolve eliminated 1081 rows and 8611 columns. MIP Presolve modified 1223 coefficients. Aggregator did 22293 substitutions. Reduced MIP has 23469 rows, 86623 columns, and 253704 nonzeros. Reduced MIP has 86623 binaries, 0 generals, 0 SOSs, and 0 indicators. Probing time = 0.12 sec. Tried aggregator 2 times. MIP Presolve eliminated 11 rows and 0 columns. MIP Presolve modified 89 coefficients. Aggregator did 563 substitutions. Reduced MIP has 22895 rows, 86060 columns, and 251109 nonzeros. Reduced MIP has 86060 binaries, 0 generals, 0 SOSs, and 0 indicators. Presolve time = 0.81 sec. Probing time = 0.17 sec. Clique table members: 376680. MIP emphasis: balance optimality and feasibility. MIP search method: dynamic search. Parallel mode: deterministic, using up to 4 threads. Root relaxation solution time = 22.88 sec. Nodes Cuts/ Node Left Objective IInf Best Integer Best Bound ItCnt Gap 0 0 -90.7671 6313 -90.7671 27 0 0 -81.1365 6284 Cuts: 225 31502 0 0 -80.9234 5642 Cuts: 230 36020 0 0 -78.3408 7561 Cuts: 276 54239 0 0 -78.1427 5221 Cuts: 96 68960 0 0 -77.9144 7233 Cuts: 221 80182 0 0 -77.7856 7649 Cuts: 123 87905 0 0 -77.7438 8100 Cuts: 63 91975 0 0 -77.7140 8367 Cuts: 39 97780 0 0 -77.7065 8405 Cuts: 27 100678 0 0 -77.6589 8290 Cuts: 56 104459 0 0 -77.2451 7130 Cuts: 56 117976 0 0 -77.1943 8009 Cuts: 86 125395 0 0 -77.1400 8465 Cuts: 42 129854 0 0 -77.1280 8782 ZeroHalf: 66 131823 0 0 -77.1268 8659 Cuts: 23 132584 0 0 -77.0268 8818 Cuts: 31 143591 0 0 -77.0188 8850 Cuts: 32 146489 0 0 -77.0139 8380 ZeroHalf: 16 147752 0 0 -77.0138 8491 Cuts: 6 148073 Heuristic still looking. * 0+ 0 -60.1775 -77.0138 148073 27.98% Clique cuts applied: 166 Zero-half cuts applied: 119 Gomory fractional cuts applied: 2 Root node processing (before b&c): Real time = 353.12 Parallel b&c, 4 threads: Real time = 0.00 Sync time (average) = 0.00 Wait time (average) = 0.00 ------- Total (root+branch&cut) = 353.12 sec. Solution pool: 1 solution saved. MIP - Solution limit exceeded, integer feasible: Objective = -6.0177469100e+01 Current MIP best bound = -7.7013784157e+01 (gap = 16.8363, 27.98%) Solution time = 353.93 sec. Iterations = 148073 Nodes = 0 (1) Deterministic time = 340903.47 ticks (963.18 ticks/sec) CPLEX> 703.27user 0.20system 5:54.20elapsed 198%CPU (0avgtext+0avgdata 1589760maxresident)k 0inputs+288outputs (0major+155110minor)pagefaults 0swaps