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coin-or / Cbc.old

This is a mirror of the subversion repository on COIN-OR
https://projects.coin-or.org/Cbc
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[Trac #81] cbc failure on small ip #117

Open s-c-e opened 5 years ago

s-c-e commented 5 years ago

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http://coral.ie.lehigh.edu/~magh/tmp/PRICE_AND_CUT_subProb_relax.n296.c0.p8.b0.lp

Coin Cbc and Clp Solver version 2.3stable, build Sep 23 2009
command line - ./bin/cbc Decomp/examples/MILP/PRICE_AND_CUT_subProb_relax.n296.c0.p8.b0.lp (default strategy 1)
Continuous objective value is -8339.48 - 0.00 seconds
Cgl0003I 0 fixed, 0 tightened bounds, 3 strengthened rows, 0 substitutions
Cgl0003I 0 fixed, 0 tightened bounds, 3 strengthened rows, 0 substitutions
Cgl0003I 0 fixed, 0 tightened bounds, 2 strengthened rows, 0 substitutions
...
cbc: ../../../Clp/src/ClpSimplexDual.cpp:1411: int ClpSimplexDual::whileIterating(double*&, int): Assertion `fabs(dualOut_)<1.0e50' failed.
Aborted