Coin LP version 1.14.4, build Nov  4 2011
command line - clp mps/gen4.mps.gz 
At line 1 NAME          PERFECTSIN
At line 2 ROWS
At line 1541 COLUMNS
At line 58503 RHS
At line 59242 ENDATA
Problem PERFECTSIN has 1537 rows, 4297 columns and 107102 elements
Model was imported from ./mps/gen4.mps.gz in 0.06 seconds
Presolve 1530 (-7) rows, 4283 (-14) columns and 106973 (-129) elements
Perturbing problem by 0.001 % of 11.784516 - largest nonzero change 6.9563752e-05 (% 0.063494844) - largest zero change 9.984584e-05
0  Obj 0 Primal inf 6108064.8 (1474)
105  Obj 0.11381714 Primal inf 20290393 (1520)
210  Obj 0.12726917 Primal inf 35978916 (1519)
315  Obj 0.13809065 Primal inf 1.7413594e+08 (1533)
420  Obj 0.1480625 Primal inf 56774100 (1522)
587  Obj 0.16330273 Primal inf 20012989 (1506)
850  Obj 0.18358516 Primal inf 1172270.3 (1242)
1050  Obj 0.19812668 Primal inf 2590477.7 (1345)
1309  Obj 0.20586987 Primal inf 0.0637367 (790)
1572  Obj 0.20587043 Primal inf 0.0095072651 (628)
1830  Obj 0.20587084 Primal inf 0.08935229 (632)
2149  Obj 0.20587124 Primal inf 0.001189463 (370)
2484  Obj 0.20587156 Primal inf 0.0034824172 (448)
2749  Obj 0.20587174 Primal inf 0.0019692506 (440)
2940  Obj 0.20587187 Primal inf 0.00081461778 (394)
3136  Obj 0.20587196 Primal inf 0.00014282259 (261)
3410  Obj 0.20587209 Primal inf 0.00034489188 (331)
3714  Obj 0.20587219 Primal inf 1.0570591e-05 (68)
3919  Obj 0.20587224 Primal inf 9.7354437e-06 (66)
4186  Obj 0.20587229 Primal inf 4.520296e-06 (44)
4224  Obj 0.20587229
Optimal - objective value 2.6192302e-06
Optimal objective 2.619230204e-06 - 4224 iterations time 16.922
16.99user 0.15system 0:17.16elapsed 99%CPU (0avgtext+0avgdata 114240maxresident)k
0inputs+8outputs (0major+63632minor)pagefaults 0swaps