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 = 0.26 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 4 times. MIP Presolve eliminated 15 rows and 4354 columns. Aggregator did 832 substitutions. Reduced MIP has 13580 rows, 22140 columns, and 485477 nonzeros. Reduced MIP has 16178 binaries, 5962 generals, 0 SOSs, and 0 indicators. Probing time = 0.02 sec. Tried aggregator 1 time. Presolve time = 0.71 sec. Probing time = 0.03 sec. Clique table members: 16913. MIP emphasis: balance optimality and feasibility. MIP search method: dynamic search. Parallel mode: deterministic, using up to 4 threads. Root relaxation solution time = 42.50 sec. Nodes Cuts/ Node Left Objective IInf Best Integer Best Bound ItCnt Gap 0 0 10.8664 6954 10.8664 22 0 0 11.9981 5412 Fract: 1 185968 0 0 11.9981 5249 ZeroHalf: 1 188551 0 0 11.9981 5166 ZeroHalf: 2 235519 0 0 11.9981 5210 ZeroHalf: 3 236266 Heuristic still looking. Heuristic still looking. Heuristic still looking. 0 2 11.9981 5249 11.9981 236266 Elapsed real time = 1230.14 sec. (tree size = 0.01 MB, solutions = 0) 1 3 11.9981 3207 11.9981 295376 2 4 11.9985 3284 11.9981 349545 3 5 11.9981 4953 11.9981 398938 4 6 11.9981 2889 11.9981 437884 6 8 11.9981 2955 11.9981 475814 7 9 11.9983 2592 11.9981 493837 9 11 12.0003 3056 11.9981 561775 10 12 11.9984 2404 11.9981 754438 14 16 12.0009 2296 11.9981 1093012 15 17 11.9984 2293 11.9981 1101042 Elapsed real time = 1794.50 sec. (tree size = 0.18 MB, solutions = 0) 16 18 11.9983 2143 11.9981 1113823 20 22 11.9984 1639 11.9981 1169609 24 26 11.9984 1636 11.9981 1220822 39 41 12.0018 2389 11.9981 1311551 40 42 11.9984 1292 11.9981 1320331 43 45 12.0019 1549 11.9981 1342192 47 49 12.0019 1655 11.9981 1388646 48 50 11.9994 2782 11.9981 1430483 52 54 11.9984 1269 11.9981 1477227 56 58 11.9984 1185 11.9981 1495058 Elapsed real time = 2112.64 sec. (tree size = 1.71 MB, solutions = 0) * 59 59 integral 0 12.0051 11.9981 1508195 0.06% Gomory fractional cuts applied: 1 Root node processing (before b&c): Real time = 1229.37 Parallel b&c, 4 threads: Real time = 882.56 Sync time (average) = 0.00 Wait time (average) = 0.00 ------- Total (root+branch&cut) = 2111.93 sec. Solution pool: 3 solutions saved. MIP - Solution limit exceeded, integer feasible: Objective = 1.2005100000e+01 Current MIP best bound = 1.1998100000e+01 (gap = 0.007, 0.06%) Solution time = 2112.65 sec. Iterations = 1522022 Nodes = 69 (56) Deterministic time = 1523452.13 ticks (721.11 ticks/sec) CPLEX> 4790.77user 0.65system 35:12.93elapsed 226%CPU (0avgtext+0avgdata 1253344maxresident)k 0inputs+480outputs (0major+334574minor)pagefaults 0swaps