[Dip] differentiating between LP and IP

[Matthew Galati]

If I recall - there is no special setting. It should just work. 

Can you send me the code and data to repeat the issue? I'll debug it. 

Sent from my iPhone

On Jun 27, 2012, at 2:48 AM, Shahin Gelareh <shahin.gelareh at gmail.com> wrote:

> Hi everybody
> 
> The IP model of my problems  solves nicely using DIP.
> But when I relax it to LP I get :
> CPX0000  CPLEX Error  3003: Not a mixed-integer problem.
> 
> Is there any switch to set off/on for letting DIP know this is an LP?
> 
> The settings are the following:
> DECOMP PARAMETER SETTINGS
> PRICE_AND_CUT  LogLevel                 3
> PRICE_AND_CUT  LogDebugLevel            0
> PRICE_AND_CUT  LogLpLevel               0
> PRICE_AND_CUT  LogDumpModel             0
> PRICE_AND_CUT  LogObjHistory            0
> PRICE_AND_CUT  LimitInitVars            2
> PRICE_AND_CUT  DebugLevel               0
> PRICE_AND_CUT  TolZero                  1e-006
> PRICE_AND_CUT  LimitTotalCutIters       214748364
> PRICE_AND_CUT  LimitTotalPriceIters     214748364
> PRICE_AND_CUT  LimitRoundCutIters       10
> PRICE_AND_CUT  LimitRoundPriceIters     10
> PRICE_AND_CUT  LimitTime                1e+021
> PRICE_AND_CUT  LimitNodes               214748364
> PRICE_AND_CUT  TailoffLength            10
> PRICE_AND_CUT  TailoffPercent           0.1
> PRICE_AND_CUT  MasterGapLimit           1e-006
> PRICE_AND_CUT  PCStrategy               0
> PRICE_AND_CUT  CompressColumns          1
> PRICE_AND_CUT  CompressColumnsIterFreq  2
> PRICE_AND_CUT  CompressColumnsSizeMultLimit1.2
> PRICE_AND_CUT  CompressColumnsMasterGapStart0.2
> PRICE_AND_CUT  CutDC                    0
> PRICE_AND_CUT  CutCGL                   1
> PRICE_AND_CUT  CutCglKnapC              1
> PRICE_AND_CUT  CutCglFlowC              1
> PRICE_AND_CUT  CutCglMir                1
> PRICE_AND_CUT  CutCglClique             1
> PRICE_AND_CUT  CutCglOddHole            1
> PRICE_AND_CUT  CutCglGomory             1
> PRICE_AND_CUT  SubProbUseCutoff         0
> PRICE_AND_CUT  SubProbGapLimitExact     0.0001
> PRICE_AND_CUT  SubProbGapLimitInexact   0.1
> PRICE_AND_CUT  SubProbTimeLimitExact    1e+021
> PRICE_AND_CUT  SubProbTimeLimitInexact  1e+021
> PRICE_AND_CUT  SubProbNumThreads        1
> PRICE_AND_CUT  SubProbNumSolLimit       1
> PRICE_AND_CUT  SubProbSolverStartAlgo   0
> PRICE_AND_CUT  RoundRobinInterval       0
> PRICE_AND_CUT  RoundRobinStrategy       0
> PRICE_AND_CUT  SolveMasterAsIp          0
> PRICE_AND_CUT  SolveMasterAsIpFreqNode  0
> PRICE_AND_CUT  SolveMasterAsIpFreqPass  0
> PRICE_AND_CUT  SolveMasterAsIpLimitTime 0
> PRICE_AND_CUT  SolveMasterAsIpLimitGap  0
> PRICE_AND_CUT  SolveMasterUpdateAlgo    0
> PRICE_AND_CUT  SolveRelaxAsIp           0
> PRICE_AND_CUT  InitVarsWithCutDC        0
> PRICE_AND_CUT  InitVarsWithIP           0
> PRICE_AND_CUT  InitVarsWithIPLimitTime  0
> PRICE_AND_CUT  InitCompactSolve         0
> PRICE_AND_CUT  DualStab                 0
> PRICE_AND_CUT  DualStabAlpha            0.1
> PRICE_AND_CUT  BreakOutPartial          0
> PRICE_AND_CUT  BranchEnforceInSubProb   0
> PRICE_AND_CUT  BranchEnforceInMaster    1
> PRICE_AND_CUT  MasterConvexityLessThan  0
> PRICE_AND_CUT  ParallelColsLimit        1
> PRICE_AND_CUT  BranchStrongIter         0
> PRICE_AND_CUT  NumThreads               1
> PRICE_AND_CUT  DebugCheckBlocksColumns  1
> 
> 
> regards,
> Shahin
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