[Scip] assert(SCIPsetIsFeasPositive(set, rayscale));

[Sebastian Ruther]

  Hello,

I have had this error for a long time now but usually had more 
pressuring issues. However now I get stuck at this. Almost all of my 
instances produce this error.

       assert(SCIPsetIsFeasPositive(set, rayscale)); line 13531 in lp.c

Note that I am using SCIP 2.0.0 with CPLEX 12.3.

I dumped the master problem and solved it with CPLEX and that works fine.

The variables are all binary (but of course they do get relaxed), all 
constraint coefficients are 1, rhs between 0 and 30 and objective 
function coefficients range from 100 to 9555.

The call stack is:

    msvcr100d.dll!_wassert(const wchar_t * expr=0x0000000140990630, 
const wchar_t * filename=0x0000000140990610, unsigned int lineno=13531)  
Line 153    C
      binscip.exe!SCIPlpGetUnboundedSol()  Line 13531 + 0x34 bytes    C
      binscip.exe!SCIPlpSolveAndEval()  Line 12259 + 0x1d bytes    C
 >    binscip.exe!SCIPsolveDiveLP()  Line 15130 + 0x96 bytes    C
      binscip.exe!heurExecFeaspump()  Line 943 + 0x1c bytes    C
      binscip.exe!SCIPheurExec()  Line 396 + 0x2f bytes    C
      binscip.exe!SCIPprimalHeuristics()  Line 220 + 0x56 bytes    C
      binscip.exe!priceAndCutLoop(const __int64 blkmem=7386848)  Line 
1600 + 0x50 bytes    C
      binscip.exe!solveNodeLP(const __int64 blkmem=7386848)  Line 1992 + 
0xef bytes    C
      binscip.exe!solveNode()  Line 2647 + 0xef bytes    C
      binscip.exe!SCIPsolveCIP(const __int64 blkmem=7386848)  Line 3264 
+ 0x101 bytes    C
     
  binscip.exe!SCIPsolve(std::_Vector_iterator<std::_Vector_val<SCIP_Var 
*,std::allocator<SCIP_Var *> > > (__int64) scip=0x000000000031f3f0, 
unsigned int restart=0)  Line 6827 + 0x11f bytes    C
      binscip.exe!runSCIP(int argc=1, char * * argv=0x0000000000707a20)  
Line 264 + 0xa bytes    C++
      binscip.exe!main(int argc=1, char * * argv=0x0000000000707a20)  
Line 356 + 0x14 bytes    C++
      binscip.exe!__tmainCRTStartup()  Line 555 + 0x19 bytes    C
      binscip.exe!mainCRTStartup()  Line 371    C


Thank you for your help.

Sebastian