GLPK output

GLPSOL: GLPK LP/MIP Solver, v4.52
Parameter(s) specified in the command line:
 --cpxlp /tmp/175-pulp.lp -o /tmp/175-pulp.sol
Reading problem data from '/tmp/175-pulp.lp'...
47 rows, 1345 columns, 1633 non-zeros
1344 integer variables, all of which are binary
1717 lines were read
GLPK Integer Optimizer, v4.52
47 rows, 1345 columns, 1633 non-zeros
1344 integer variables, all of which are binary
Preprocessing...
43 rows, 1341 columns, 1620 non-zeros
1341 integer variables, all of which are binary
Scaling...
 A: min|aij| =  1.000e+00  max|aij| =  1.000e+00  ratio =  1.000e+00
Problem data seem to be well scaled
Constructing initial basis...
Size of triangular part is 43
Solving LP relaxation...
GLPK Simplex Optimizer, v4.52
43 rows, 1341 columns, 1620 non-zeros
      0: obj =   0.000000000e+00  infeas =  3.300e+01 (0)
     36: obj =   0.000000000e+00  infeas =  2.000e+00 (0)
LP HAS NO PRIMAL FEASIBLE SOLUTION
Time used:   0.0 secs
Memory used: 0.8 Mb (830960 bytes)
Writing MIP solution to `/tmp/175-pulp.sol'...