| Solver Name | Answer | objective function | CPU time | Wall clock time |
|---|---|---|---|---|
| SCIPnone SCIP 1.2.1.2 without any LP solver | OPT | 6 | 0.052991 | 0.0523211 |
| 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: NONE] [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-2664750-1276588081.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 [src/scip/lpi_none.c:41] ERROR: there is no LP solver linked to the binary (LPS=none); you should set the parameter <lp/solvefreq> to <-1> to avoid solving LPs
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 # frequency for solving LP at the nodes (-1: never; 0: only root LP)
0.00/0.02 c # [type: int, range: [-1,2147483647], default: 1]
0.00/0.02 c lp/solvefreq = -1
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 | 2 | 0 | - | 273k| 0 | - | 40 | 29 | 0 | 0 | 0 | 0 | 0 | 0.000000e+00 | -- | Inf
0.00/0.04 o 15
0.00/0.04 c * 0.0s| 68 | 24 | 0 | 0.0 | 295k| 15 | - | 40 | 46 | 0 | 0 | 0 | 17 | 0 | 0.000000e+00 | 1.500000e+01 | Inf
0.00/0.04 o 6
0.00/0.04 c * 0.0s| 79 | 16 | 0 | 0.0 | 295k| 15 | - | 40 | 49 | 0 | 0 | 0 | 20 | 0 | 0.000000e+00 | 6.000000e+00 | Inf
0.00/0.04 c
0.00/0.04 c SCIP Status : problem is solved [optimal solution found]
0.00/0.04 c Solving Time (sec) : 0.03
0.00/0.04 c Solving Nodes : 85
0.00/0.04 c Primal Bound : +6.00000000000000e+00 (2 solutions)
0.00/0.04 c Dual Bound : +6.00000000000000e+00
0.00/0.04 c Gap : 0.00 %
0.00/0.04 s OPTIMUM FOUND
0.00/0.04 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
0.00/0.04 v x16 -x10 -x9 -x8 x7 -x6 -x5 -x4 x3 x2 -x1
0.00/0.04 c SCIP Status : problem is solved [optimal solution found]
0.00/0.04 c Solving Time : 0.03
0.00/0.04 c Original Problem :
0.00/0.04 c Problem name : HOME/instance-2664750-1276588081.opb
0.00/0.04 c Variables : 40 (40 binary, 0 integer, 0 implicit integer, 0 continuous)
0.00/0.04 c Constraints : 43 initial, 43 maximal
0.00/0.04 c Presolved Problem :
0.00/0.04 c Problem name : t_HOME/instance-2664750-1276588081.opb
0.00/0.04 c Variables : 40 (40 binary, 0 integer, 0 implicit integer, 0 continuous)
0.00/0.04 c Constraints : 29 initial, 57 maximal
0.00/0.04 c Presolvers : Time FixedVars AggrVars ChgTypes ChgBounds AddHoles DelCons ChgSides ChgCoefs
0.00/0.04 c trivial : 0.00 0 0 0 0 0 0 0 0
0.00/0.04 c dualfix : 0.00 0 0 0 0 0 0 0 0
0.00/0.04 c boundshift : 0.00 0 0 0 0 0 0 0 0
0.00/0.04 c inttobinary : 0.00 0 0 0 0 0 0 0 0
0.00/0.04 c implics : 0.00 0 0 0 0 0 0 0 0
0.00/0.04 c probing : 0.00 0 0 0 0 0 0 0 0
0.00/0.04 c knapsack : 0.01 0 0 0 0 0 0 3 3
0.00/0.04 c linear : 0.00 0 0 0 0 0 14 12 12
0.00/0.04 c logicor : 0.00 0 0 0 0 0 0 0 0
0.00/0.04 c root node : - 1 - - 1 - - - -
0.00/0.04 c Constraints : Number #Separate #Propagate #EnfoLP #EnfoPS Cutoffs DomReds Cuts Conss Children
0.00/0.04 c integral : 0 0 0 0 0 0 0 0 0 0
0.00/0.04 c knapsack : 15 0 265 0 63 7 264 0 0 0
0.00/0.04 c linear : 14 0 256 0 61 17 257 0 0 0
0.00/0.04 c logicor : 0+ 0 60 0 0 0 18 0 0 0
0.00/0.04 c countsols : 0 0 0 0 63 0 0 0 0 0
0.00/0.04 c Constraint Timings : TotalTime Separate Propagate EnfoLP EnfoPS
0.00/0.04 c integral : 0.00 0.00 0.00 0.00 0.00
0.00/0.04 c knapsack : 0.00 0.00 0.00 0.00 0.00
0.00/0.04 c linear : 0.01 0.00 0.01 0.00 0.00
0.00/0.04 c logicor : 0.00 0.00 0.00 0.00 0.00
0.00/0.04 c countsols : 0.00 0.00 0.00 0.00 0.00
0.00/0.04 c Propagators : Time Calls Cutoffs DomReds
0.00/0.04 c vbounds : 0.00 2 0 0
0.00/0.04 c rootredcost : 0.00 0 0 0
0.00/0.04 c pseudoobj : 0.00 187 4 15
0.00/0.04 c Conflict Analysis : Time Calls Success Conflicts Literals Reconvs ReconvLits LP Iters
0.00/0.04 c propagation : 0.00 28 24 71 9.8 0 0.0 -
0.00/0.04 c infeasible LP : 0.00 0 0 0 0.0 0 0.0 0
0.00/0.04 c bound exceed. LP : 0.00 0 0 0 0.0 0 0.0 0
0.00/0.04 c strong branching : 0.00 0 0 0 0.0 0 0.0 0
0.00/0.04 c pseudo solution : 0.00 0 0 0 0.0 0 0.0 -
0.00/0.04 c applied globally : - - - 28 8.6 - - -
0.00/0.04 c applied locally : - - - 0 0.0 - - -
0.00/0.04 c Separators : Time Calls Cutoffs DomReds Cuts Conss
0.00/0.04 c cut pool : 0.00 0 - - 0 - (maximal pool size: 0)
0.00/0.04 c redcost : 0.00 0 0 0 0 0
0.00/0.04 c impliedbounds : 0.00 0 0 0 0 0
0.00/0.04 c intobj : 0.00 0 0 0 0 0
0.00/0.04 c cgmip : 0.00 0 0 0 0 0
0.00/0.04 c gomory : 0.00 0 0 0 0 0
0.00/0.04 c strongcg : 0.00 0 0 0 0 0
0.00/0.04 c cmir : 0.00 0 0 0 0 0
0.00/0.04 c flowcover : 0.00 0 0 0 0 0
0.00/0.04 c clique : 0.00 0 0 0 0 0
0.00/0.04 c zerohalf : 0.00 0 0 0 0 0
0.00/0.04 c mcf : 0.00 0 0 0 0 0
0.00/0.04 c rapidlearning : 0.00 0 0 0 0 0
0.00/0.04 c Pricers : Time Calls Vars
0.00/0.04 c problem variables: 0.00 0 0
0.00/0.04 c Branching Rules : Time Calls Cutoffs DomReds Cuts Conss Children
0.00/0.04 c relpscost : 0.00 0 0 0 0 0 0
0.00/0.04 c pscost : 0.00 0 0 0 0 0 0
0.00/0.04 c inference : 0.00 61 0 0 0 0 122
0.00/0.04 c mostinf : 0.00 0 0 0 0 0 0
0.00/0.04 c leastinf : 0.00 0 0 0 0 0 0
0.00/0.04 c fullstrong : 0.00 0 0 0 0 0 0
0.00/0.04 c allfullstrong : 0.00 0 0 0 0 0 0
0.00/0.04 c random : 0.00 0 0 0 0 0 0
0.00/0.04 c Primal Heuristics : Time Calls Found
0.00/0.04 c LP solutions : 0.00 - 0
0.00/0.04 c pseudo solutions : 0.00 - 2
0.00/0.04 c oneopt : 0.00 0 0
0.00/0.04 c trivial : 0.00 2 0
0.00/0.04 c simplerounding : 0.00 0 0
0.00/0.04 c zirounding : 0.00 0 0
0.00/0.04 c rounding : 0.00 0 0
0.00/0.04 c shifting : 0.00 0 0
0.00/0.04 c intshifting : 0.00 0 0
0.00/0.04 c twoopt : 0.00 0 0
0.00/0.04 c fixandinfer : 0.00 0 0
0.00/0.04 c feaspump : 0.00 0 0
0.00/0.04 c coefdiving : 0.00 0 0
0.00/0.04 c pscostdiving : 0.00 0 0
0.00/0.04 c fracdiving : 0.00 0 0
0.00/0.04 c veclendiving : 0.00 0 0
0.00/0.04 c intdiving : 0.00 0 0
0.00/0.04 c actconsdiving : 0.00 0 0
0.00/0.04 c objpscostdiving : 0.00 0 0
0.00/0.04 c rootsoldiving : 0.00 0 0
0.00/0.04 c linesearchdiving : 0.00 0 0
0.00/0.04 c guideddiving : 0.00 0 0
0.00/0.04 c octane : 0.00 0 0
0.00/0.04 c rens : 0.00 0 0
0.00/0.04 c rins : 0.00 0 0
0.00/0.04 c localbranching : 0.00 0 0
0.00/0.04 c mutation : 0.00 0 0
0.00/0.04 c crossover : 0.00 0 0
0.00/0.04 c dins : 0.00 0 0
0.00/0.04 c undercover : 0.00 0 0
0.00/0.04 c nlp : 0.00 0 0
0.00/0.04 c trysol : 0.00 0 0
0.00/0.04 c LP : Time Calls Iterations Iter/call Iter/sec
0.00/0.04 c primal LP : 0.00 0 0 0.00 -
0.00/0.04 c dual LP : 0.00 0 0 0.00 -
0.00/0.04 c lex dual LP : 0.00 0 0 0.00 -
0.00/0.04 c barrier LP : 0.00 0 0 0.00 -
0.00/0.04 c diving/probing LP: 0.00 0 0 0.00 -
0.00/0.04 c strong branching : 0.00 0 0 0.00 -
0.00/0.04 c (at root node) : - 0 0 0.00 -
0.00/0.04 c conflict analysis: 0.00 0 0 0.00 -
0.00/0.04 c B&B Tree :
0.00/0.04 c number of runs : 1
0.00/0.04 c nodes : 85
0.00/0.04 c nodes (total) : 85
0.00/0.04 c nodes left : 0
0.00/0.04 c max depth : 15
0.00/0.04 c max depth (total): 15
0.00/0.04 c backtracks : 29 (34.1%)
0.00/0.04 c delayed cutoffs : 13
0.00/0.04 c repropagations : 21 (117 domain reductions, 6 cutoffs)
0.00/0.04 c avg switch length: 3.60
0.00/0.04 c switching time : 0.00
0.00/0.04 c Solution :
0.00/0.04 c Solutions found : 2 (2 improvements)
0.00/0.04 c First Solution : +1.50000000000000e+01 (in run 1, after 68 nodes, 0.02 seconds, depth 9, found by <relaxation>)
0.00/0.04 c Primal Bound : +6.00000000000000e+00 (in run 1, after 79 nodes, 0.02 seconds, depth 10, found by <relaxation>)
0.00/0.04 c Dual Bound : +6.00000000000000e+00
0.00/0.04 c Gap : 0.00 %
0.00/0.04 c Root Dual Bound : +0.00000000000000e+00
0.00/0.04 c Root Iterations : 0
0.00/0.05 c Time complete: 0.04.
OK 6
runsolver version 3.2.9 (svn:492) (c) roussel@cril.univ-artois.fr command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-2664750-1276588081/watcher-2664750-1276588081 -o /tmp/evaluation-result-2664750-1276588081/solver-2664750-1276588081 -C 1800 -W 2000 -M 1800 HOME/pbscip.linux.x86_64.gnu.opt.none -f HOME/instance-2664750-1276588081.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: 0.00 0.00 0.00 3/107 2358 /proc/meminfo: memFree=1704180/2059040 swapFree=4192956/4192956 [pid=2358] ppid=2356 vsize=7856 CPUtime=0 /proc/2358/stat : 2358 (pbscip.linux.x8) R 2356 2358 2333 0 -1 4202496 1451 0 0 0 0 0 0 0 18 0 1 0 99070 8044544 1374 1992294400 4194304 7136930 140733871114688 18446744073709551615 6328631 0 0 4096 0 0 0 0 17 1 0 0 0 /proc/2358/statm: 1964 1374 271 719 0 1243 0 Solver just ended. Dumping a history of the last processes samples Child status: 0 Real time (s): 0.0523211 CPU time (s): 0.052991 CPU user time (s): 0.037994 CPU system time (s): 0.014997 CPU usage (%): 101.28 Max. virtual memory (cumulated for all children) (KiB): 0 getrusage(RUSAGE_CHILDREN,...) data: user time used= 0.037994 system time used= 0.014997 maximum resident set size= 0 integral shared memory size= 0 integral unshared data size= 0 integral unshared stack size= 0 page reclaims= 3490 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= 2 involuntary context switches= 1 runsolver used 0.005999 second user time and 0.011998 second system time The end
Begin job on node056 at 2010-06-15 09:48:01 IDJOB=2664750 IDBENCH=2638 IDSOLVER=1167 FILE ID=node056/2664750-1276588081 PBS_JOBID= 11173557 Free space on /tmp= 98536 MiB SOLVER NAME= SCIPnone SCIP 1.2.1.2 without any 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.none -f BENCHNAME -t TIMEOUT -m MEMLIMIT RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2664750-1276588081/watcher-2664750-1276588081 -o /tmp/evaluation-result-2664750-1276588081/solver-2664750-1276588081 -C 1800 -W 2000 -M 1800 HOME/pbscip.linux.x86_64.gnu.opt.none -f HOME/instance-2664750-1276588081.opb -t 1800 -m 1800 TIME LIMIT= 1800 seconds MEMORY LIMIT= 1800 MiB MAX NB THREAD= 0 MD5SUM BENCH= 8b1fbd52a1a4f2762439b4bdacc06a04 RANDOM SEED=1987039856 node056.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 : 3000.215 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 : 6000.43 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 : 3000.215 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 : 5599.47 clflush size : 64 cache_alignment : 128 address sizes : 36 bits physical, 48 bits virtual power management: /proc/meminfo: MemTotal: 2059040 kB MemFree: 1706272 kB Buffers: 10648 kB Cached: 237696 kB SwapCached: 0 kB Active: 93992 kB Inactive: 213372 kB HighTotal: 0 kB HighFree: 0 kB LowTotal: 2059040 kB LowFree: 1706272 kB SwapTotal: 4192956 kB SwapFree: 4192956 kB Dirty: 3496 kB Writeback: 0 kB AnonPages: 58960 kB Mapped: 15280 kB Slab: 23564 kB PageTables: 4048 kB NFS_Unstable: 0 kB Bounce: 0 kB CommitLimit: 5222476 kB Committed_AS: 177888 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= 98532 MiB End job on node056 at 2010-06-15 09:48:01