[Cbc] optimal solution cut off

[Ashutosh Mahajan]

hello everyone,

for the attached problem, cbc-2.3.2 and also cbc-trunk report an optimal value
of -23 with the solution:
Optimal - objective value             -23
      0 UP000001              2                     -3
      1 UP000002              4                     -4
      2 DOW00001              0                     -1
      3 DOW00002              2                     -1
      4 DOW00003              1                      1
      5 DOW00004              0                      1
      6 DOW00005              0                      7

cplex reports a value of -23.75 with the solution:
UP000001                      1.000000
UP000002                      5.000000
DOW00002                      3.000000
DOW00003                      2.000000
DOW00004                      0.250000


--
regards
Ashutosh Mahajan
http://coral.ie.lehigh.edu/~asm4

-------------- next part --------------
NAME
ROWS
 N  OBJ00000 
 L  ROW00001
 E  ROW00002
COLUMNS
    MARK0000  'MARKER'                 'INTORG'
    UP000001  OBJ00000    -3.00
    UP000001  ROW00001    1.00
    UP000001  ROW00002    2.0
    UP000002  OBJ00000    -4.0
    UP000002  ROW00001    1.00
    UP000002  ROW00002    0.5
    DOW00001  OBJ00000    -1.00
    DOW00001  ROW00002    6.00
    DOW00002  OBJ00000    -1
    DOW00002  ROW00002    5.0
    DOW00003  OBJ00000    1.00
    DOW00003  ROW00002    -4.00
    MARK0001  'MARKER'                 'INTEND'
    DOW00004  OBJ00000    1.000
    DOW00004  ROW00002    2.0000
    DOW00005  OBJ00000    7.00
    DOW00005  ROW00002    -7.000
RHS
    RHS       ROW00001    6.0
    RHS       ROW00002    12
BOUNDS
 UP BND       UP000001   5
 UP BND       UP000002   5
 LO BND       DOW00001   0.00000E+00
 LO BND       DOW00002   0.00000E+00
 LO BND       DOW00003   0.00000E+00
 LO BND       DOW00004   0.00000E+00
 LO BND       DOW00005   0.00000E+00
ENDATA