| Solver Name | Answer | objective function | CPU time | Wall clock time |
|---|---|---|---|---|
| SCIPspx SCIP 1.2.1.2 with SoPlex 1.4.2 (CVS Version 30.5.2010) as LP solver | OPT | 6 | 0.080986 | 0.0809301 |
| Name | normalized-PB06/OPT-SMALLINT/ submitted-PB06/manquiho/golomb-rulers/normalized-OGR_4.opb |
| MD5SUM | 8b1fbd52a1a4f2762439b4bdacc06a04 |
| Bench Category | OPT-SMALLINT (optimisation, small integers) |
| Best result obtained on this benchmark | OPT |
| Best value of the objective obtained on this benchmark | 6 |
| Best CPU time to get the best result obtained on this benchmark | 0.003999 |
| Has Objective Function | YES |
| Satisfiable | YES |
| (Un)Satisfiability was proved | YES |
| Best value of the objective function | 6 |
| Optimality of the best value was proved | YES |
| Number of variables | 40 |
| Total number of constraints | 43 |
| Number of constraints which are clauses | 0 |
| Number of constraints which are cardinality constraints (but not clauses) | 0 |
| Number of constraints which are nor clauses,nor cardinality constraints | 43 |
| Minimum length of a constraint | 10 |
| Maximum length of a constraint | 21 |
| Number of terms in the objective function | 5 |
| Biggest coefficient in the objective function | 16 |
| Number of bits for the biggest coefficient in the objective function | 5 |
| Sum of the numbers in the objective function | 31 |
| Number of bits of the sum of numbers in the objective function | 5 |
| Biggest number in a constraint | 32 |
| Number of bits of the biggest number in a constraint | 6 |
| Biggest sum of numbers in a constraint | 155 |
| Number of bits of the biggest sum of numbers | 8 |
| Number of products (including duplicates) | 0 |
| Sum of products size (including duplicates) | 0 |
| Number of different products | 0 |
| Sum of products size | 0 |
0.00/0.01 c SCIP version 1.2.1.2 [precision: 8 byte] [memory: block] [mode: optimized] [LP solver: SoPlex 1.4.2] [Expressions interpreter: NONE]
0.00/0.01 c Copyright (c) 2002-2010 Konrad-Zuse-Zentrum fuer Informationstechnik Berlin (ZIB)
0.00/0.01 c
0.00/0.01 c user parameter file <scip.set> not found - using default parameters
0.00/0.01 c reading problem <HOME/instance-2667610-1276588081.opb>
0.00/0.01 c original problem has 40 variables (40 bin, 0 int, 0 impl, 0 cont) and 43 constraints
0.00/0.01 c problem read
0.00/0.01 c presolving settings loaded
0.00/0.01 c presolving:
0.00/0.01 c (round 1) 0 del vars, 0 del conss, 0 chg bounds, 12 chg sides, 12 chg coeffs, 0 upgd conss, 0 impls, 0 clqs
0.00/0.01 c (round 2) 0 del vars, 14 del conss, 0 chg bounds, 12 chg sides, 12 chg coeffs, 9 upgd conss, 0 impls, 0 clqs
0.00/0.02 c (round 3) 0 del vars, 14 del conss, 0 chg bounds, 12 chg sides, 12 chg coeffs, 15 upgd conss, 50 impls, 0 clqs
0.00/0.02 c (round 4) 0 del vars, 14 del conss, 0 chg bounds, 15 chg sides, 15 chg coeffs, 15 upgd conss, 50 impls, 0 clqs
0.00/0.02 c presolving (5 rounds):
0.00/0.02 c 0 deleted vars, 14 deleted constraints, 0 tightened bounds, 0 added holes, 15 changed sides, 15 changed coefficients
0.00/0.02 c 72 implications, 0 cliques
0.00/0.02 c presolved problem has 40 variables (40 bin, 0 int, 0 impl, 0 cont) and 29 constraints
0.00/0.02 c 15 constraints of type <knapsack>
0.00/0.02 c 14 constraints of type <linear>
0.00/0.02 c transformed objective value is always integral (scale: 1)
0.00/0.02 c Presolving Time: 0.01
0.00/0.02 c - non default parameters ----------------------------------------------------------------------
0.00/0.02 c # SCIP version 1.2.1.2
0.00/0.02 c
0.00/0.02 c # frequency for displaying node information lines
0.00/0.02 c # [type: int, range: [-1,2147483647], default: 100]
0.00/0.02 c display/freq = 10000
0.00/0.02 c
0.00/0.02 c # maximal time in seconds to run
0.00/0.02 c # [type: real, range: [0,1.79769313486232e+308], default: 1e+20]
0.00/0.02 c limits/time = 1800
0.00/0.02 c
0.00/0.02 c # maximal memory usage in MB; reported memory usage is lower than real memory usage!
0.00/0.02 c # [type: real, range: [0,1.79769313486232e+308], default: 1e+20]
0.00/0.02 c limits/memory = 1620
0.00/0.02 c
0.00/0.02 c # should presolving try to simplify inequalities
0.00/0.02 c # [type: bool, range: {TRUE,FALSE}, default: FALSE]
0.00/0.02 c constraints/linear/simplifyinequalities = TRUE
0.00/0.02 c
0.00/0.02 c # should presolving try to simplify knapsacks
0.00/0.02 c # [type: bool, range: {TRUE,FALSE}, default: FALSE]
0.00/0.02 c constraints/knapsack/simplifyinequalities = TRUE
0.00/0.02 c
0.00/0.02 c # frequency for calling separator <rapidlearning> (-1: never, 0: only in root node)
0.00/0.02 c # [type: int, range: [-1,2147483647], default: -1]
0.00/0.02 c separating/rapidlearning/freq = 0
0.00/0.02 c
0.00/0.02 c -----------------------------------------------------------------------------------------------
0.00/0.02 c start solving
0.00/0.02 c
0.00/0.02 c time | node | left |LP iter|LP it/n| mem |mdpt |frac |vars |cons |cols |rows |cuts |confs|strbr| dualbound | primalbound | gap
0.00/0.02 c 0.0s| 1 | 0 | 24 | - | 311k| 0 | 22 | 40 | 29 | 40 | 29 | 0 | 0 | 0 | 3.000000e+00 | -- | Inf
0.00/0.06 o 6
0.00/0.06 c y 0.0s| 1 | 0 | 212 | - | 383k| 0 | 22 | 40 | 29 | 40 | 29 | 0 | 0 | 0 | 3.000000e+00 | 6.000000e+00 | 100.00%
0.00/0.07 c 0.0s| 1 | 0 | 216 | - | 361k| 0 | - | 40 | 38 | 40 | 30 | 5 | 0 | 0 | 6.000000e+00 | 6.000000e+00 | 0.00%
0.00/0.07 c
0.00/0.07 c SCIP Status : problem is solved [optimal solution found]
0.00/0.07 c Solving Time (sec) : 0.04
0.00/0.07 c Solving Nodes : 1
0.00/0.07 c Primal Bound : +6.00000000000000e+00 (1 solutions)
0.00/0.07 c Dual Bound : +6.00000000000000e+00
0.00/0.07 c Gap : 0.00 %
0.00/0.07 s OPTIMUM FOUND
0.00/0.07 v x21 x22 x23 x24 x25 x26 x27 x28 x29 x30 x31 x32 x33 -x34 x35 x36 x37 x38 -x39 -x15 -x14 -x13 -x12 -x11 -x40 -x20 -x19 x18 -x17
0.00/0.07 v -x16 -x10 -x9 -x8 -x7 x6 -x5 -x4 x3 x2 -x1
0.00/0.07 c SCIP Status : problem is solved [optimal solution found]
0.00/0.07 c Solving Time : 0.04
0.00/0.07 c Original Problem :
0.00/0.07 c Problem name : HOME/instance-2667610-1276588081.opb
0.00/0.07 c Variables : 40 (40 binary, 0 integer, 0 implicit integer, 0 continuous)
0.00/0.07 c Constraints : 43 initial, 43 maximal
0.00/0.07 c Presolved Problem :
0.00/0.07 c Problem name : t_HOME/instance-2667610-1276588081.opb
0.00/0.07 c Variables : 40 (40 binary, 0 integer, 0 implicit integer, 0 continuous)
0.00/0.07 c Constraints : 29 initial, 45 maximal
0.00/0.07 c Presolvers : Time FixedVars AggrVars ChgTypes ChgBounds AddHoles DelCons ChgSides ChgCoefs
0.00/0.07 c trivial : 0.00 0 0 0 0 0 0 0 0
0.00/0.07 c dualfix : 0.00 0 0 0 0 0 0 0 0
0.00/0.07 c boundshift : 0.00 0 0 0 0 0 0 0 0
0.00/0.07 c inttobinary : 0.00 0 0 0 0 0 0 0 0
0.00/0.07 c implics : 0.00 0 0 0 0 0 0 0 0
0.00/0.07 c probing : 0.00 0 0 0 0 0 0 0 0
0.00/0.07 c knapsack : 0.00 0 0 0 0 0 0 3 3
0.00/0.07 c linear : 0.01 0 0 0 0 0 14 12 12
0.00/0.07 c root node : - 19 - - 19 - - - -
0.00/0.07 c Constraints : Number #Separate #Propagate #EnfoLP #EnfoPS Cutoffs DomReds Cuts Conss Children
0.00/0.07 c integral : 0 0 0 0 0 0 0 0 0 0
0.00/0.07 c knapsack : 15 2 84 0 0 0 3 48 0 0
0.00/0.07 c linear : 14+ 2 84 0 0 1 3 2 0 0
0.00/0.07 c countsols : 0 0 0 0 0 0 0 0 0 0
0.00/0.07 c Constraint Timings : TotalTime Separate Propagate EnfoLP EnfoPS
0.00/0.07 c integral : 0.00 0.00 0.00 0.00 0.00
0.00/0.07 c knapsack : 0.00 0.00 0.00 0.00 0.00
0.00/0.07 c linear : 0.00 0.00 0.00 0.00 0.00
0.00/0.07 c countsols : 0.00 0.00 0.00 0.00 0.00
0.00/0.07 c Propagators : Time Calls Cutoffs DomReds
0.00/0.07 c vbounds : 0.00 2 0 0
0.00/0.07 c rootredcost : 0.00 0 0 0
0.00/0.07 c pseudoobj : 0.00 3 0 2
0.00/0.07 c Conflict Analysis : Time Calls Success Conflicts Literals Reconvs ReconvLits LP Iters
0.00/0.07 c propagation : 0.00 1 0 0 0.0 0 0.0 -
0.00/0.07 c infeasible LP : 0.00 0 0 0 0.0 0 0.0 0
0.00/0.07 c bound exceed. LP : 0.00 0 0 0 0.0 0 0.0 0
0.00/0.07 c strong branching : 0.00 0 0 0 0.0 0 0.0 0
0.00/0.07 c pseudo solution : 0.00 0 0 0 0.0 0 0.0 -
0.00/0.07 c applied globally : - - - 0 0.0 - - -
0.00/0.07 c applied locally : - - - 0 0.0 - - -
0.00/0.07 c Separators : Time Calls Cutoffs DomReds Cuts Conss
0.00/0.07 c cut pool : 0.00 0 - - 0 - (maximal pool size: 79)
0.00/0.07 c redcost : 0.00 1 0 0 0 0
0.00/0.07 c impliedbounds : 0.00 1 0 0 0 0
0.00/0.07 c intobj : 0.00 0 0 0 0 0
0.00/0.07 c cgmip : 0.00 0 0 0 0 0
0.00/0.07 c gomory : 0.00 1 0 0 10 0
0.00/0.07 c strongcg : 0.00 1 0 0 10 0
0.00/0.07 c cmir : 0.00 1 0 0 23 0
0.00/0.07 c flowcover : 0.00 1 0 0 58 0
0.00/0.07 c clique : 0.00 1 0 0 0 0
0.00/0.07 c zerohalf : 0.00 0 0 0 0 0
0.00/0.07 c mcf : 0.00 1 0 0 0 0
0.00/0.07 c rapidlearning : 0.02 1 0 11 0 16
0.00/0.07 c Pricers : Time Calls Vars
0.00/0.07 c problem variables: 0.00 0 0
0.00/0.07 c Branching Rules : Time Calls Cutoffs DomReds Cuts Conss Children
0.00/0.07 c pscost : 0.00 0 0 0 0 0 0
0.00/0.07 c inference : 0.00 0 0 0 0 0 0
0.00/0.07 c mostinf : 0.00 0 0 0 0 0 0
0.00/0.07 c leastinf : 0.00 0 0 0 0 0 0
0.00/0.07 c fullstrong : 0.00 0 0 0 0 0 0
0.00/0.07 c allfullstrong : 0.00 0 0 0 0 0 0
0.00/0.07 c random : 0.00 0 0 0 0 0 0
0.00/0.07 c relpscost : 0.00 0 0 0 0 0 0
0.00/0.07 c Primal Heuristics : Time Calls Found
0.00/0.07 c LP solutions : 0.00 - 0
0.00/0.07 c pseudo solutions : 0.00 - 0
0.00/0.07 c oneopt : 0.00 0 0
0.00/0.07 c trivial : 0.00 2 0
0.00/0.07 c simplerounding : 0.00 0 0
0.00/0.07 c zirounding : 0.00 0 0
0.00/0.07 c rounding : 0.00 1 0
0.00/0.07 c shifting : 0.00 1 0
0.00/0.07 c intshifting : 0.00 0 0
0.00/0.07 c twoopt : 0.00 0 0
0.00/0.07 c fixandinfer : 0.00 0 0
0.00/0.07 c feaspump : 0.01 1 0
0.00/0.07 c coefdiving : 0.00 0 0
0.00/0.07 c pscostdiving : 0.00 0 0
0.00/0.07 c fracdiving : 0.00 0 0
0.00/0.07 c veclendiving : 0.00 0 0
0.00/0.07 c intdiving : 0.00 0 0
0.00/0.07 c actconsdiving : 0.00 0 0
0.00/0.07 c objpscostdiving : 0.00 0 0
0.00/0.07 c rootsoldiving : 0.00 0 0
0.00/0.07 c linesearchdiving : 0.00 0 0
0.00/0.07 c guideddiving : 0.00 0 0
0.00/0.07 c octane : 0.00 0 0
0.00/0.07 c rens : 0.00 0 0
0.00/0.07 c rins : 0.00 0 0
0.00/0.07 c localbranching : 0.00 0 0
0.00/0.07 c mutation : 0.00 0 0
0.00/0.07 c crossover : 0.00 0 0
0.00/0.07 c dins : 0.00 0 0
0.00/0.07 c undercover : 0.00 0 0
0.00/0.07 c nlp : 0.00 0 0
0.00/0.07 c trysol : 0.00 0 0
0.00/0.07 c LP : Time Calls Iterations Iter/call Iter/sec
0.00/0.07 c primal LP : 0.00 0 0 0.00 -
0.00/0.07 c dual LP : 0.00 2 28 14.00 -
0.00/0.07 c lex dual LP : 0.00 0 0 0.00 -
0.00/0.07 c barrier LP : 0.00 0 0 0.00 -
0.00/0.07 c diving/probing LP: 0.01 40 188 4.70 18800.00
0.00/0.07 c strong branching : 0.00 0 0 0.00 -
0.00/0.07 c (at root node) : - 0 0 0.00 -
0.00/0.07 c conflict analysis: 0.00 0 0 0.00 -
0.00/0.07 c B&B Tree :
0.00/0.07 c number of runs : 1
0.00/0.07 c nodes : 1
0.00/0.07 c nodes (total) : 1
0.00/0.07 c nodes left : 0
0.00/0.07 c max depth : 0
0.00/0.07 c max depth (total): 0
0.00/0.07 c backtracks : 0 (0.0%)
0.00/0.07 c delayed cutoffs : 0
0.00/0.07 c repropagations : 0 (0 domain reductions, 0 cutoffs)
0.00/0.07 c avg switch length: 2.00
0.00/0.07 c switching time : 0.00
0.00/0.07 c Solution :
0.00/0.07 c Solutions found : 1 (1 improvements)
0.00/0.07 c First Solution : +6.00000000000000e+00 (in run 1, after 1 nodes, 0.04 seconds, depth 0, found by <trysol>)
0.00/0.07 c Primal Bound : +6.00000000000000e+00 (in run 1, after 1 nodes, 0.04 seconds, depth 0, found by <trysol>)
0.00/0.07 c Dual Bound : +6.00000000000000e+00
0.00/0.07 c Gap : 0.00 %
0.00/0.07 c Root Dual Bound : +6.00000000000000e+00
0.00/0.07 c Root Iterations : 216
0.00/0.08 c Time complete: 0.07.
OK 6
runsolver version 3.2.9 (svn:492) (c) roussel@cril.univ-artois.fr command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-2667610-1276588081/watcher-2667610-1276588081 -o /tmp/evaluation-result-2667610-1276588081/solver-2667610-1276588081 -C 1800 -W 2000 -M 1800 HOME/pbscip.linux.x86_64.gnu.opt.spx -f HOME/instance-2667610-1276588081.opb -t 1800 -m 1800 Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 1800 seconds Enforcing CPUTime limit (hard limit, will send SIGXCPU): 1830 seconds Enforcing wall clock limit (soft limit, will send SIGTERM then SIGKILL): 2000 seconds Enforcing VSIZE limit (soft limit, will send SIGTERM then SIGKILL): 1843200 KiB Enforcing VSIZE limit (hard limit, stack expansion will fail with SIGSEGV, brk() and mmap() will return ENOMEM): 1894400 KiB Current StackSize limit: 10240 KiB [startup+0 s] /proc/loadavg: 0.06 0.05 0.10 3/106 2331 /proc/meminfo: memFree=1697444/2059040 swapFree=4192956/4192956 [pid=2331] ppid=2329 vsize=8988 CPUtime=0 /proc/2331/stat : 2331 (pbscip.linux.x8) R 2329 2331 2306 0 -1 4202496 1547 0 0 0 0 0 0 0 20 0 1 0 101984 9203712 1466 1992294400 4194304 8223781 140734969736336 18446744073709551615 7235159 0 0 4096 0 0 0 0 17 1 0 0 0 /proc/2331/statm: 2247 1466 365 984 0 1260 0 [startup+0.0172891 s] /proc/loadavg: 0.06 0.05 0.10 3/106 2331 /proc/meminfo: memFree=1697444/2059040 swapFree=4192956/4192956 [pid=2331] ppid=2329 vsize=12352 CPUtime=0 /proc/2331/stat : 2331 (pbscip.linux.x8) R 2329 2331 2306 0 -1 4202496 2331 0 0 0 0 0 0 0 20 0 1 0 101984 12648448 1887 1992294400 4194304 8223781 140734969736336 18446744073709551615 7253477 0 0 4096 16384 0 0 0 17 1 0 0 0 /proc/2331/statm: 3088 1897 433 984 0 2101 0 Current children cumulated CPU time (s) 0 Current children cumulated vsize (KiB) 12352 Solver just ended. Dumping a history of the last processes samples [startup+0.0172891 s] /proc/loadavg: 0.06 0.05 0.10 3/106 2331 /proc/meminfo: memFree=1697444/2059040 swapFree=4192956/4192956 [pid=2331] ppid=2329 vsize=12352 CPUtime=0 /proc/2331/stat : 2331 (pbscip.linux.x8) R 2329 2331 2306 0 -1 4202496 2331 0 0 0 0 0 0 0 20 0 1 0 101984 12648448 1887 1992294400 4194304 8223781 140734969736336 18446744073709551615 7253477 0 0 4096 16384 0 0 0 17 1 0 0 0 /proc/2331/statm: 3088 1897 433 984 0 2101 0 Current children cumulated CPU time (s) 0 Current children cumulated vsize (KiB) 12352 Child status: 0 Real time (s): 0.0809301 CPU time (s): 0.080986 CPU user time (s): 0.053991 CPU system time (s): 0.026995 CPU usage (%): 100.069 Max. virtual memory (cumulated for all children) (KiB): 12352 getrusage(RUSAGE_CHILDREN,...) data: user time used= 0.053991 system time used= 0.026995 maximum resident set size= 0 integral shared memory size= 0 integral unshared data size= 0 integral unshared stack size= 0 page reclaims= 6526 page faults= 0 swaps= 0 block input operations= 0 block output operations= 0 messages sent= 0 messages received= 0 signals received= 0 voluntary context switches= 1 involuntary context switches= 1 runsolver used 0.001999 second user time and 0.016997 second system time The end
Begin job on node084 at 2010-06-15 09:48:01 IDJOB=2667610 IDBENCH=2638 IDSOLVER=1169 FILE ID=node084/2667610-1276588081 PBS_JOBID= 11173550 Free space on /tmp= 62400 MiB SOLVER NAME= SCIPspx SCIP 1.2.1.2 with SoPlex 1.4.2 (CVS Version 30.5.2010) as LP solver BENCH NAME= PB06/final/normalized-PB06/OPT-SMALLINT/submitted-PB06/manquiho/golomb-rulers/normalized-OGR_4.opb COMMAND LINE= HOME/pbscip.linux.x86_64.gnu.opt.spx -f BENCHNAME -t TIMEOUT -m MEMLIMIT RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2667610-1276588081/watcher-2667610-1276588081 -o /tmp/evaluation-result-2667610-1276588081/solver-2667610-1276588081 -C 1800 -W 2000 -M 1800 HOME/pbscip.linux.x86_64.gnu.opt.spx -f HOME/instance-2667610-1276588081.opb -t 1800 -m 1800 TIME LIMIT= 1800 seconds MEMORY LIMIT= 1800 MiB MAX NB THREAD= 0 MD5SUM BENCH= 8b1fbd52a1a4f2762439b4bdacc06a04 RANDOM SEED=1987039856 node084.alineos.net Linux 2.6.18-164.el5 #1 SMP Thu Sep 3 03:28:30 EDT 2009 /proc/cpuinfo: processor : 0 vendor_id : GenuineIntel cpu family : 15 model : 4 model name : Intel(R) Xeon(TM) CPU 3.00GHz stepping : 3 cpu MHz : 3000.229 cache size : 2048 KB physical id : 0 siblings : 1 core id : 0 cpu cores : 1 apicid : 0 fpu : yes fpu_exception : yes cpuid level : 5 wp : yes flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm syscall nx lm constant_tsc pni monitor ds_cpl cid cx16 xtpr bogomips : 6000.45 clflush size : 64 cache_alignment : 128 address sizes : 36 bits physical, 48 bits virtual power management: processor : 1 vendor_id : GenuineIntel cpu family : 15 model : 4 model name : Intel(R) Xeon(TM) CPU 3.00GHz stepping : 3 cpu MHz : 3000.229 cache size : 2048 KB physical id : 3 siblings : 1 core id : 0 cpu cores : 1 apicid : 6 fpu : yes fpu_exception : yes cpuid level : 5 wp : yes flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm syscall nx lm constant_tsc pni monitor ds_cpl cid cx16 xtpr bogomips : 5999.40 clflush size : 64 cache_alignment : 128 address sizes : 36 bits physical, 48 bits virtual power management: /proc/meminfo: MemTotal: 2059040 kB MemFree: 1699228 kB Buffers: 14708 kB Cached: 240168 kB SwapCached: 0 kB Active: 95992 kB Inactive: 218360 kB HighTotal: 0 kB HighFree: 0 kB LowTotal: 2059040 kB LowFree: 1699228 kB SwapTotal: 4192956 kB SwapFree: 4192956 kB Dirty: 4736 kB Writeback: 0 kB AnonPages: 59444 kB Mapped: 15520 kB Slab: 23608 kB PageTables: 3984 kB NFS_Unstable: 0 kB Bounce: 0 kB CommitLimit: 5222476 kB Committed_AS: 177940 kB VmallocTotal: 34359738367 kB VmallocUsed: 264948 kB VmallocChunk: 34359471699 kB HugePages_Total: 0 HugePages_Free: 0 HugePages_Rsvd: 0 Hugepagesize: 2048 kB Free space on /tmp at the end= 62396 MiB End job on node084 at 2010-06-15 09:48:02