Opened 9 years ago

Closed 8 weeks ago

#93 closed defect (migrated)

failure in CGL probing when using cutoff

Reported by: mgalati Owned by:
Priority: major Component: Cbc
Version: 2.4.1 Keywords:
Cc:

Description

[magala@orclus71 bin]$ ./cbc -log 2 -cutoff 70212.5 -import ../Dip/examples/MILPBlock/PRICE_AND_CUT_masterProbRootIP.n1.c2.p1.mps -solve

Coin Cbc and Clp Solver version 2.4.1, build May 10 2010
command line - ./cbc -log 2 -cutoff 70212.5 -import ../Dip/examples/MILPBlock/PRICE_AND_CUT_masterProbRootIP.n1.c2.p1.mps -solve (default strategy 1)
logLevel was changed from 1 to 2
cutoff was changed from 1e+100 to 70212.5
At line 1 NAME          BLANK     FREE
At line 2 ROWS
At line 19 COLUMNS
At line 105 RHS
At line 114 BOUNDS
At line 146 ENDATA
Problem BLANK has 15 rows, 31 columns and 132 elements
Coin0008I BLANK read with 0 errors
Continuous objective value is 59775.3 - 0.00 seconds
Cgl0009I 3 elements changed
cbc: ../../../../Cgl/src/CglProbing/CglProbing.cpp:1918: int CglProbing::gutsOfGenerateCuts(const OsiSolverInterface&, OsiCuts&, double*, double*, double*, double*, CglTreeInfo*) const: Assertion `!info->strengthenRow[i]' failed.
Aborted

Attachments (1)

PRICE_AND_CUT_masterProbRootIP.n1.c2.p1.mps (6.0 KB) - added by mgalati 9 years ago.

Download all attachments as: .zip

Change History (2)

Changed 9 years ago by mgalati

comment:1 Changed 8 weeks ago by stefan

  • Component set to Cbc
  • Resolution set to migrated
  • Status changed from new to closed

This ticket has been migrated to GitHub and will be resolved there: https://github.com/coin-or/Cbc/issues/93

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