--- Job n3708 Start 10/02/08 07:28:03 GAMS Rev 228 Copyright (C) 1987-2008 GAMS Development. All rights reserved Licensee: Stefan Vigerske G080908/0001CB-LNX Humboldt University Berlin, Numerical Mathematics DC5918 --- Starting compilation --- n3708.gms(106) 2 Mb --- GDXin=/home/stefan/work/gams/models/LINlib/n3708.gdx --- n3708.gms(148) 5 Mb --- Starting execution: elapsed 0:00:00.109 --- n3708.gms(123) 5 Mb --- Generating MIP model m --- n3708.gms(124) 7 Mb --- 5,151 rows 10,001 columns 30,001 non-zeroes --- 5,000 discrete-columns --- n3708.gms(124) 7 Mb --- Executing SCIP: elapsed 0:00:00.301 SCIP version 1.10.0 [LP solver: Clp 1.8stable] Copyright (c) 2002-2008 Konrad-Zuse-Zentrum fuer Informationstechnik Berlin (ZIB) Optionfile /home/stefan/work/gams/benchmarks/LINLib.MIP/scip.opt successfully read. Starting MIP solve... presolving: (round 1) 0 del vars, 0 del conss, 5000 chg bounds, 0 chg sides, 0 chg coeffs, 0 upgd conss, 0 impls, 0 clqs (round 2) 0 del vars, 0 del conss, 5000 chg bounds, 0 chg sides, 0 chg coeffs, 5000 upgd conss, 0 impls, 0 clqs (0.2s) probing: 101/5000 (2.0%) - 0 fixings, 0 aggregations, 0 implications, 0 bound changes (0.2s) probing aborted: 100/100 successive totally useless probings presolving (3 rounds): 0 deleted vars, 0 deleted constraints, 5000 tightened bounds, 0 added holes, 0 changed sides, 0 changed coefficients 5000 implications, 0 cliques presolved problem has 10000 variables (5000 bin, 0 int, 0 impl, 5000 cont) and 5150 constraints 5000 constraints of type 150 constraints of type Presolving Time: 0.23 node | left |LP iter| mem |mdpt | dualbound | primalbound | gap 1 | 0 | 6302 | 20M| 0 | 9.675228e+05 | -- | Inf r 1 | 0 | 6302 | 20M| 0 | 9.675228e+05 | 1.329479e+06 | 37.41% 1 | 0 | 6571 | 24M| 0 | 9.870804e+05 | 1.329479e+06 | 34.69% 1 | 0 | 7043 | 25M| 0 | 9.994407e+05 | 1.329479e+06 | 33.02% 1 | 0 | 7711 | 26M| 0 | 1.008986e+06 | 1.329479e+06 | 31.76% 1 | 0 | 8548 | 26M| 0 | 1.016709e+06 | 1.329479e+06 | 30.76% 1 | 0 | 9285 | 27M| 0 | 1.020336e+06 | 1.329479e+06 | 30.30% 1 | 0 | 10166 | 28M| 0 | 1.023055e+06 | 1.329479e+06 | 29.95% 1 | 0 | 11222 | 28M| 0 | 1.025287e+06 | 1.329479e+06 | 29.67% 1 | 0 | 12191 | 29M| 0 | 1.027284e+06 | 1.329479e+06 | 29.42% 1 | 0 | 13327 | 29M| 0 | 1.029154e+06 | 1.329479e+06 | 29.18% 1 | 0 | 14314 | 30M| 0 | 1.030069e+06 | 1.329479e+06 | 29.07% 1 | 0 | 14903 | 30M| 0 | 1.030473e+06 | 1.329479e+06 | 29.02% 1 | 0 | 15314 | 30M| 0 | 1.030641e+06 | 1.329479e+06 | 29.00% 1 | 0 | 15442 | 30M| 0 | 1.030664e+06 | 1.329479e+06 | 28.99% node | left |LP iter| mem |mdpt | dualbound | primalbound | gap 1 | 0 | 15511 | 30M| 0 | 1.030672e+06 | 1.329479e+06 | 28.99% 1 | 2 | 15511 | 31M| 0 | 1.030672e+06 | 1.329479e+06 | 28.99% 100 | 101 |252169 | 42M| 22 | 1.031250e+06 | 1.329479e+06 | 28.92% 200 | 201 |484381 | 43M| 23 | 1.031530e+06 | 1.329479e+06 | 28.88% 300 | 301 |604055 | 43M| 31 | 1.031530e+06 | 1.329479e+06 | 28.88% 400 | 401 |723209 | 44M| 37 | 1.031530e+06 | 1.329479e+06 | 28.88% 500 | 501 |849662 | 44M| 37 | 1.031530e+06 | 1.329479e+06 | 28.88% 600 | 601 |951957 | 45M| 37 | 1.031530e+06 | 1.329479e+06 | 28.88% 700 | 701 | 1034k| 45M| 37 | 1.031530e+06 | 1.329479e+06 | 28.88% 800 | 801 | 1278k| 45M| 39 | 1.031542e+06 | 1.329479e+06 | 28.88% 900 | 901 | 1335k| 46M| 39 | 1.031542e+06 | 1.329479e+06 | 28.88% 1000 | 1001 | 1400k| 46M| 39 | 1.031663e+06 | 1.329479e+06 | 28.87% 1100 | 1101 | 1472k| 47M| 39 | 1.031663e+06 | 1.329479e+06 | 28.87% 1200 | 1201 | 1527k| 47M| 39 | 1.031698e+06 | 1.329479e+06 | 28.86% 1300 | 1301 | 1616k| 47M| 39 | 1.031698e+06 | 1.329479e+06 | 28.86% node | left |LP iter| mem |mdpt | dualbound | primalbound | gap 1400 | 1401 | 1705k| 48M| 43 | 1.031698e+06 | 1.329479e+06 | 28.86% 1500 | 1501 | 1760k| 48M| 43 | 1.031698e+06 | 1.329479e+06 | 28.86% 1600 | 1601 | 1980k| 49M| 43 | 1.031734e+06 | 1.329479e+06 | 28.86% 1700 | 1701 | 2043k| 49M| 43 | 1.031734e+06 | 1.329479e+06 | 28.86% 1800 | 1801 | 2130k| 49M| 43 | 1.031801e+06 | 1.329479e+06 | 28.85% 1900 | 1901 | 2195k| 50M| 43 | 1.031801e+06 | 1.329479e+06 | 28.85% 2000 | 2001 | 2250k| 50M| 43 | 1.031801e+06 | 1.329479e+06 | 28.85% 2100 | 2101 | 2299k| 51M| 43 | 1.031810e+06 | 1.329479e+06 | 28.85% 2200 | 2201 | 2541k| 51M| 43 | 1.031810e+06 | 1.329479e+06 | 28.85% 2300 | 2301 | 2598k| 52M| 49 | 1.031810e+06 | 1.329479e+06 | 28.85% (node 2373) unresolved numerical troubles in LP 21703 2400 | 2401 | 2724k| 52M| 49 | 1.031810e+06 | 1.329479e+06 | 28.85% (node 2494) unresolved numerical troubles in LP 22208 SCIP Status : solving was interrupted [time limit reached] Solving Time (sec) : 3600.07 Solving Nodes : 2494 Primal Bound : +1.32947900000000e+06 (1123 solutions) Dual Bound : +1.03180980398689e+06 Gap : 28.85 % SCIP Status : solving was interrupted [time limit reached] Solving Time : 3600.07 Original Problem : Problem name : gamsmodel Variables : 10000 (5000 binary, 0 integer, 0 implicit integer, 5000 continuous) Constraints : 5150 initial, 5150 maximal Presolved Problem : Problem name : t_gamsmodel Variables : 10000 (5000 binary, 0 integer, 0 implicit integer, 5000 continuous) Constraints : 5150 initial, 5150 maximal Presolvers : Time FixedVars AggrVars ChgTypes ChgBounds AddHoles DelCons ChgSides ChgCoefs trivial : 0.00 0 0 0 0 0 0 0 0 dualfix : 0.01 0 0 0 0 0 0 0 0 boundshift : 0.00 0 0 0 0 0 0 0 0 inttobinary : 0.00 0 0 0 0 0 0 0 0 implics : 0.00 0 0 0 0 0 0 0 0 probing : 0.08 0 0 0 0 0 0 0 0 varbound : 0.00 0 0 0 0 0 0 0 0 linear : 0.12 0 0 0 5000 0 0 0 0 root node : - 0 - - 0 - - - - Constraints : Number #Separate #Propagate #EnfoLP #EnfoPS Cutoffs DomReds Cuts Conss Children integral : 0 0 0 2493 0 0 0 0 0 4986 varbound : 5000 15 41409 0 1 0 2376 0 0 0 linear : 150 15 41409 0 0 0 0 240 0 0 countsols : 0 0 0 0 1 0 0 0 0 0 Constraint Timings : TotalTime Separate Propagate EnfoLP EnfoPS integral : 698.75 0.00 0.00 698.75 0.00 varbound : 7.95 0.00 7.95 0.00 0.00 linear : 0.94 0.36 0.58 0.00 0.00 countsols : 0.00 0.00 0.00 0.00 0.00 Propagators : Time Calls Cutoffs DomReds rootredcost : 0.05 0 0 0 pseudoobj : 21.53 41233 0 0 Conflict Analysis : Time Calls Success Conflicts Literals Reconvs ReconvLits LP Iters propagation : 0.00 0 0 0 0.0 0 0.0 - infeasible LP : 0.00 3 0 0 0.0 0 0.0 0 bound exceed. LP : 0.00 0 0 0 0.0 0 0.0 0 strong branching : 0.00 0 0 0 0.0 0 0.0 0 pseudo solution : 0.00 0 0 0 0.0 0 0.0 - applied globally : - - - 0 0.0 - - - applied locally : - - - 0 0.0 - - - Separators : Time Calls Cutoffs DomReds Cuts Conss cut pool : 0.01 14 - - 658 - (maximal pool size: 2404) redcost : 1.70 2507 0 0 0 0 impliedbounds : 0.00 15 0 0 0 0 intobj : 0.00 0 0 0 0 0 gomory : 1.20 15 0 0 67 0 strongcg : 1.15 15 0 0 1 0 cmir : 22.45 10 0 0 2216 0 flowcover : 5.39 10 0 0 607 0 clique : 0.00 1 0 0 0 0 zerohalf : 0.00 0 0 0 0 0 mcf : 0.00 0 0 0 0 0 Pricers : Time Calls Vars problem variables: 0.00 0 0 Branching Rules : Time Calls Cutoffs DomReds Cuts Conss Children relpscost : 698.73 2493 0 0 0 0 4986 pscost : 0.00 0 0 0 0 0 0 inference : 0.00 1 0 0 0 0 2 mostinf : 0.00 0 0 0 0 0 0 leastinf : 0.00 0 0 0 0 0 0 fullstrong : 0.00 0 0 0 0 0 0 allfullstrong : 0.00 0 0 0 0 0 0 random : 0.00 0 0 0 0 0 0 Primal Heuristics : Time Calls Found LP solutions : 0.00 - 0 pseudo solutions : 0.00 - 0 feaspump : 0.00 0 0 oneopt : 0.02 1 0 rootsoldiving : 30.71 3 2 veclendiving : 382.49 7 450 linesearchdiving : 169.43 8 208 fracdiving : 167.68 11 0 guideddiving : 169.48 11 0 objpscostdiving : 50.39 6 0 pscostdiving : 208.47 13 133 coefdiving : 218.46 14 299 intshifting : 49.10 17 0 simplerounding : 0.32 2507 29 rounding : 3.02 660 0 shifting : 1.25 185 0 fixandinfer : 0.00 0 0 intdiving : 0.00 0 0 actconsdiving : 0.00 0 0 octane : 0.00 0 0 rens : 22.83 1 1 rins : 0.00 0 0 localbranching : 0.00 0 0 mutation : 0.00 0 0 crossover : 3.65 1 1 dins : 0.00 0 0 LP : Time Calls Iterations Iter/call Iter/sec primal LP : 3.58 0 0 0.00 0.00 dual LP : 1376.33 2508 1100707 438.88 799.74 barrier LP : 0.00 0 0 0.00 - diving/probing LP: 1357.26 19700 1655703 84.05 1219.89 strong branching : 698.27 1951 496545 254.51 711.11 (at root node) : - 28 9495 339.11 - conflict analysis: 0.00 0 0 0.00 - B&B Tree : number of runs : 1 nodes : 2494 nodes (total) : 2494 nodes left : 2495 max depth : 49 max depth (total): 49 backtracks : 120 (4.8%) delayed cutoffs : 0 repropagations : 0 (0 domain reductions, 0 cutoffs) avg switch length: 2.66 switching time : 1.63 Solution : Solutions found : 1123 (1 improvements) Primal Bound : +1.32947900000000e+06 (in run 1, after 1 nodes, 2.06 seconds, depth 0, found by ) Dual Bound : +1.03180980398689e+06 Gap : 28.85 % Root Dual Bound : +1.03067230907574e+06 Solving LP with fixed discrete variables... GAMS/SCIP finished. --- Restarting execution --- n3708.gms(124) 0 Mb --- Reading solution for model m --- n3708.gms(124) 5 Mb *** Status: Normal completion --- Job n3708.gms Stop 10/02/08 08:28:16 elapsed 1:00:13.188