SCIP version 1.1.0 [precision: 8 byte] [memory: block] [mode: debug] [LP solver: SoPlex 1.4.0]
Copyright (c) 2002-2023 Zuse Institute Berlin (ZIB)

user parameter file <scip.set> not found - using default parameters

SCIP> read check/IP/miplib/p0033.mps
original problem has 33 variables (33 bin, 0 int, 0 impl, 0 cont) and 16 constraints
SCIP> optimize
...
 0.1s|     1 |     0 |   132 | 257k|   0 |  14 |  30 |  13 |  13 |  30 |  51 |  39 |   0 |   0 | 3.026472e+03 | 3.347000e+03 |  10.59%
[src/scip/heur_oneopt.c:332] debug: Row <R122> has activity 110
[src/scip/heur_oneopt.c:332] debug: Row <R123> has activity 216
...
[src/scip/heur_oneopt.c:101] debug: Try to shift down variable <t_C157> with
[src/scip/heur_oneopt.c:102] debug:     lb:<-0> <= val:<1> <= ub:<1> and obj:<171> by at most: <1>
[src/scip/heur_oneopt.c:135] debug:  -> The shift value had to be reduced to <0>, because of row <R122>.
[src/scip/heur_oneopt.c:137] debug:     lhs:<-1e+20> <= act:<110> <= rhs:<148>, colval:<-60>
...
[src/scip/heur_oneopt.c:383] debug:  Only one shiftcand found, var <t_C167>, which is now shifted by<-1.0>
k 0.1s|     1 |     0 |   132 | 258k|   0 |  14 |  30 |  13 |  13 |  30 |  51 |  39 |   0 |   0 | 3.026472e+03 | 3.164000e+03 |   4.54%
[src/scip/heur_oneopt.c:436] debug: found feasible shifted solution:
objective value:                     3164.00000000012
C157                                                1   (obj:171)
C163                                                1   (obj:163)
C164                                                1   (obj:69)
C170                                                1   (obj:49)
C172                                                1   (obj:258)
C174                                                1   (obj:250)
C175                                                1   (obj:500)
C179                                                1   (obj:318)
C181                                                1   (obj:318)
C182                                                1   (obj:159)
C183                                 1.00000000000038   (obj:318)
C184                                                1   (obj:159)
C185                                                1   (obj:318)
C186                                                1   (obj:114)
[src/scip/heur_oneopt.c:498] debug: Finished 1-opt heuristic
...
