--- Job n370b Start 10/02/08 22:33:20 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 --- n370b.gms(106) 2 Mb --- GDXin=/home/stefan/work/gams/models/LINlib/n370b.gdx --- n370b.gms(148) 5 Mb --- Starting execution: elapsed 0:00:00.102 --- n370b.gms(123) 5 Mb --- Generating MIP model m --- n370b.gms(124) 7 Mb --- 5,151 rows 10,001 columns 30,001 non-zeroes --- 5,000 discrete-columns --- n370b.gms(124) 7 Mb --- Executing SCIP: elapsed 0:00:00.231 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 (0.3s) probing: 101/5000 (2.0%) - 0 fixings, 0 aggregations, 0 implications, 0 bound changes (0.3s) 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: 0.28 node | left |LP iter| mem |mdpt | dualbound | primalbound | gap 1 | 0 | 6431 | 20M| 0 | 9.883081e+05 | -- | Inf r 1 | 0 | 6431 | 20M| 0 | 9.883081e+05 | 1.373791e+06 | 39.00% 1 | 0 | 6742 | 24M| 0 | 1.012370e+06 | 1.373791e+06 | 35.70% 1 | 0 | 7186 | 24M| 0 | 1.025740e+06 | 1.373791e+06 | 33.93% 1 | 0 | 7831 | 25M| 0 | 1.034625e+06 | 1.373791e+06 | 32.78% 1 | 0 | 8608 | 26M| 0 | 1.039237e+06 | 1.373791e+06 | 32.19% 1 | 0 | 9378 | 26M| 0 | 1.042892e+06 | 1.373791e+06 | 31.73% 1 | 0 | 10092 | 27M| 0 | 1.045072e+06 | 1.373791e+06 | 31.45% 1 | 0 | 10905 | 27M| 0 | 1.047081e+06 | 1.373791e+06 | 31.20% 1 | 0 | 11823 | 28M| 0 | 1.048420e+06 | 1.373791e+06 | 31.03% 1 | 0 | 12647 | 28M| 0 | 1.049274e+06 | 1.373791e+06 | 30.93% 1 | 0 | 13376 | 29M| 0 | 1.049768e+06 | 1.373791e+06 | 30.87% 1 | 0 | 13874 | 29M| 0 | 1.050029e+06 | 1.373791e+06 | 30.83% 1 | 0 | 14310 | 29M| 0 | 1.050174e+06 | 1.373791e+06 | 30.82% 1 | 0 | 14545 | 29M| 0 | 1.050213e+06 | 1.373791e+06 | 30.81% node | left |LP iter| mem |mdpt | dualbound | primalbound | gap 1 | 0 | 14752 | 29M| 0 | 1.050249e+06 | 1.373791e+06 | 30.81% 1 | 0 | 14794 | 29M| 0 | 1.050250e+06 | 1.373791e+06 | 30.81% 1 | 2 | 14794 | 30M| 0 | 1.050250e+06 | 1.373791e+06 | 30.81% v 56 | 57 |101670 | 41M| 16 | 1.050834e+06 | 1.371439e+06 | 30.51% v 56 | 57 |102519 | 41M| 16 | 1.050834e+06 | 1.366065e+06 | 30.00% v 56 | 57 |104032 | 41M| 16 | 1.050834e+06 | 1.364400e+06 | 29.84% v 56 | 57 |104116 | 41M| 16 | 1.050834e+06 | 1.360882e+06 | 29.51% k 56 | 57 |228691 | 41M| 16 | 1.050834e+06 | 1.353622e+06 | 28.81% 100 | 101 |339417 | 41M| 17 | 1.051487e+06 | 1.353622e+06 | 28.73% 200 | 201 |496482 | 42M| 25 | 1.051487e+06 | 1.353622e+06 | 28.73% 300 | 301 |637598 | 42M| 25 | 1.051561e+06 | 1.353622e+06 | 28.73% 400 | 401 |836201 | 43M| 29 | 1.051616e+06 | 1.353622e+06 | 28.72% 500 | 501 |987975 | 43M| 29 | 1.051727e+06 | 1.353622e+06 | 28.70% (node 528) unresolved numerical troubles in LP 10807 600 | 601 | 1337k| 44M| 29 | 1.051740e+06 | 1.353622e+06 | 28.70% 700 | 701 | 1483k| 44M| 29 | 1.051792e+06 | 1.353622e+06 | 28.70% node | left |LP iter| mem |mdpt | dualbound | primalbound | gap 800 | 801 | 1575k| 44M| 31 | 1.051915e+06 | 1.353622e+06 | 28.68% 900 | 901 | 1672k| 45M| 31 | 1.051915e+06 | 1.353622e+06 | 28.68% 1000 | 1001 | 1865k| 45M| 31 | 1.051928e+06 | 1.353622e+06 | 28.68% 1100 | 1101 | 1934k| 46M| 35 | 1.051928e+06 | 1.353622e+06 | 28.68% 1200 | 1201 | 2142k| 46M| 35 | 1.051928e+06 | 1.353622e+06 | 28.68% 1300 | 1301 | 2203k| 47M| 35 | 1.051957e+06 | 1.353622e+06 | 28.68% 1400 | 1401 | 2250k| 47M| 35 | 1.051957e+06 | 1.353622e+06 | 28.68% 1500 | 1501 | 2338k| 47M| 35 | 1.051973e+06 | 1.353622e+06 | 28.67% 1600 | 1601 | 2393k| 48M| 35 | 1.051973e+06 | 1.353622e+06 | 28.67% 1700 | 1701 | 2480k| 48M| 35 | 1.052003e+06 | 1.353622e+06 | 28.67% 1800 | 1801 | 2559k| 49M| 35 | 1.052003e+06 | 1.353622e+06 | 28.67% 1900 | 1901 | 2726k| 49M| 35 | 1.052067e+06 | 1.353622e+06 | 28.66% 2000 | 2001 | 2864k| 49M| 37 | 1.052067e+06 | 1.353622e+06 | 28.66% (node 2043) unresolved numerical troubles in LP 25061 SCIP Status : solving was interrupted [time limit reached] Solving Time (sec) : 3600.07 Solving Nodes : 2043 Primal Bound : +1.35362200000000e+06 (765 solutions) Dual Bound : +1.05206728045952e+06 Gap : 28.66 % 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 : 0.00 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 : 0.01 0 0 0 0 0 0 0 0 linear : 0.16 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 2042 0 0 0 0 0 4084 varbound : 5000 16 45010 0 1 0 1926 0 0 0 linear : 150 16 45010 0 0 0 0 231 0 0 countsols : 0 0 0 0 1 0 0 0 0 0 Constraint Timings : TotalTime Separate Propagate EnfoLP EnfoPS integral : 594.45 0.00 0.00 594.45 0.00 varbound : 8.63 0.00 8.63 0.00 0.00 linear : 1.13 0.41 0.72 0.00 0.00 countsols : 0.00 0.00 0.00 0.00 0.00 Propagators : Time Calls Cutoffs DomReds rootredcost : 0.01 5 0 0 pseudoobj : 24.51 44844 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 : 0.01 6 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 : 0.03 15 - - 587 - (maximal pool size: 2176) redcost : 1.59 2057 0 0 0 0 impliedbounds : 0.01 16 0 0 0 0 intobj : 0.00 0 0 0 0 0 gomory : 1.46 16 0 0 50 0 strongcg : 1.35 16 0 0 1 0 cmir : 23.68 10 0 0 2231 0 flowcover : 5.68 10 0 0 640 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 : 594.45 2042 0 0 0 0 4084 pscost : 0.00 0 0 0 0 0 0 inference : 0.01 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 oneopt : 4.25 2 1 rootsoldiving : 21.20 2 0 linesearchdiving : 179.87 4 0 objpscostdiving : 42.42 4 0 guideddiving : 159.14 12 0 coefdiving : 187.97 12 299 pscostdiving : 190.73 12 77 veclendiving : 730.81 19 348 intshifting : 82.14 19 0 simplerounding : 0.33 2057 30 rounding : 2.84 594 0 shifting : 0.97 156 0 fixandinfer : 0.00 0 0 feaspump : 0.00 0 0 fracdiving : 199.79 14 8 intdiving : 0.00 0 0 actconsdiving : 0.00 0 0 octane : 0.00 0 0 rens : 38.47 1 1 rins : 0.00 0 0 localbranching : 0.00 0 0 mutation : 0.00 0 0 crossover : 2.64 2 1 dins : 0.00 0 0 LP : Time Calls Iterations Iter/call Iter/sec primal LP : 3.97 0 0 0.00 0.00 dual LP : 1113.40 2058 845563 410.87 759.44 barrier LP : 0.00 0 0 0.00 - diving/probing LP: 1694.25 23003 2035543 88.49 1201.44 strong branching : 594.10 1571 402580 256.26 677.63 (at root node) : - 21 6645 316.43 - conflict analysis: 0.00 0 0 0.00 - B&B Tree : number of runs : 1 nodes : 2043 nodes (total) : 2043 nodes left : 2044 max depth : 37 max depth (total): 37 backtracks : 120 (5.9%) delayed cutoffs : 0 repropagations : 0 (0 domain reductions, 0 cutoffs) avg switch length: 2.80 switching time : 1.83 Solution : Solutions found : 765 (6 improvements) Primal Bound : +1.35362200000000e+06 (in run 1, after 56 nodes, 470.02 seconds, depth 16, found by ) Dual Bound : +1.05206728045952e+06 Gap : 28.66 % Root Dual Bound : +1.05025001443280e+06 Solving LP with fixed discrete variables... GAMS/SCIP finished. --- Restarting execution --- n370b.gms(124) 0 Mb --- Reading solution for model m --- n370b.gms(124) 5 Mb *** Status: Normal completion --- Job n370b.gms Stop 10/02/08 23:33:34 elapsed 1:00:14.389