Barry, I run your instance with glpsol 4.9 and no bugs were detected:
------------------------------------------------------------------------ lpx_read_mps: reading problem data from `assert.mps'... lpx_read_mps: problem name not specified lpx_read_mps: 4212 rows, 6739 columns, 2872 non-zeros lpx_read_mps: 17141 cards were read lpx_interior: original LP problem has 4212 rows and 6739 columns lpx_interior: transformed LP problem has 702 rows and 1402 columns lpx_interior: A has 2662 non-zeros lpx_interior: S has 1682 non-zeros (upper triangle) lpx_interior: minimal degree ordering... lpx_interior: computing Cholesky factorization... lpx_interior: U has 1682 non-zeros lpx_interior: guessing initial point... Optimization begins... 0: obj = 0.000000000e+00; rpi = 2.2e+01; rdi = 8.4e+01; gap = 0.0e+00 1: obj = 0.000000000e+00; rpi = 3.0e+00; rdi = 8.4e+00; gap = 2.3e+03 2: obj = 0.000000000e+00; rpi = 3.0e-01; rdi = 8.4e-01; gap = 5.8e+02 3: obj = 0.000000000e+00; rpi = 3.1e-02; rdi = 8.4e-02; gap = 7.7e+01 4: obj = 0.000000000e+00; rpi = 3.6e-03; rdi = 8.4e-03; gap = 8.8e+00 5: obj = 0.000000000e+00; rpi = 7.7e-04; rdi = 1.1e-03; gap = 1.1e+00 6: obj = 0.000000000e+00; rpi = 1.6e-04; rdi = 2.3e-04; gap = 1.9e-01 7: obj = 0.000000000e+00; rpi = 3.2e-05; rdi = 6.0e-05; gap = 4.8e-02 8: obj = 0.000000000e+00; rpi = 5.1e-06; rdi = 8.1e-06; gap = 7.4e-03 9: obj = 0.000000000e+00; rpi = 1.5e-06; rdi = 5.1e-06; gap = 4.9e-03 10: obj = 0.000000000e+00; rpi = 1.5e-07; rdi = 6.9e-07; gap = 1.5e-03 11: obj = 0.000000000e+00; rpi = 1.5e-08; rdi = 7.1e-08; gap = 1.8e-04 12: obj = 0.000000000e+00; rpi = 1.5e-09; rdi = 7.2e-09; gap = 1.8e-05 13: obj = 0.000000000e+00; rpi = 1.5e-10; rdi = 7.2e-10; gap = 1.8e-06 14: obj = 0.000000000e+00; rpi = 1.5e-11; rdi = 7.2e-11; gap = 1.8e-07 15: obj = 0.000000000e+00; rpi = 1.5e-12; rdi = 7.2e-12; gap = 1.8e-08 16: obj = 0.000000000e+00; rpi = 1.5e-13; rdi = 7.2e-13; gap = 1.8e-09 OPTIMAL SOLUTION FOUND Time used: 0.0 secs Memory used: 2.0M (2086640 bytes) ------------------------------------------------------------------------ Are you using a precompiled version of the package? If so, please point out the source. Andrew Makhorin _______________________________________________ Bug-glpk mailing list [email protected] http://lists.gnu.org/mailman/listinfo/bug-glpk
