PB'12 competition: WBO track: solvers results per benchmarks

Result page for benchmark
/PARTIAL-SMALLINT-LIN/wcsp/academics/
normalized-4queens_wcsp.wbo

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General information on the benchmark

Name/PARTIAL-SMALLINT-LIN/wcsp/academics/
normalized-4queens_wcsp.wbo
MD5SUM1d8258c22bc483b2975ac7eb72afa9f4
Bench CategoryPARTIAL-SMALLINT-LIN (both soft and hard constraints, small integers, linear constraints)
Best result obtained on this benchmarkMOPT
Best cost obtained on this benchmark0
Best CPU time to get the best result obtained on this benchmark0.001998
Max-Satisfiable
Max-(Un)Satisfiability was proved
Best value of the cost
Optimality of the best cost was proved
Number of variables16
Total number of constraints264
Number of soft constraints260
Number of constraints which are clauses260
Number of constraints which are cardinality constraints (but not clauses)4
Number of constraints which are nor clauses,nor cardinality constraints0
Minimum length of a constraint2
Maximum length of a constraint4
Top cost 1
Min constraint cost 1
Max constraint cost 1
Sum of constraints costs 260
Biggest number in a constraint 3
Number of bits of the biggest number in a constraint 2
Biggest sum of numbers in a constraint 7
Number of bits of the biggest sum of numbers3
Number of products (including duplicates)0
Sum of products size (including duplicates)0
Number of different products0
Sum of products size0

Results of the different solvers on this benchmark

Solver NameTraceIDAnswerCPU timeWall clock time
wbo 1.72 (complete)3728285OPTIMUM 0.001998 0.00639493
pwbo 2.02 (complete)3728694OPTIMUM 0.001999 0.0061299
pwbo 2.01 (complete)3712610OPTIMUM 0.002998 0.00623805
wbo 1.71 (complete)3713019OPTIMUM 0.002998 0.0064809
clasp 2.0.6-R5325 (complete)3711508OPTIMUM 0.002999 0.00630105
wbo2sat 2012-05-19 (complete)3716438OPTIMUM 0.010998 0.0113661
wbo2satCp2 2012-05-19 (complete)3717131OPTIMUM 0.010998 0.0118859
toysat 2012-05-17 (complete)3712155OPTIMUM 0.016996 0.0185561
npSolver inc-topDown (complete)3715052OPTIMUM 0.025995 0.025632
npSolver inc-topdown-quickBound (complete)3715745OPTIMUM 0.026995 0.0267891
npSolver inc (complete)3714359OPTIMUM 0.026995 0.02749
npSolver inc-topDown (fixed) (complete)3753740OPTIMUM 0.027995 0.0337711
npSolver 1.0 (complete)3713666OPTIMUM 0.028995 0.0263111
npSolver inc (fixed) (complete)3754433OPTIMUM 0.030995 0.0359539
SCIP spx SCIP 2.1.1.4. with SoPlex 1.6.0.3 fixed (complete)3717586OPTIMUM 0.032994 0.0345061
npSolver 1.0 (fixed) (complete)3755126OPTIMUM 0.037994 0.038006
npSolver inc-topdown-quickBound (fixed) (complete)3753047OPTIMUM 0.039993 0.045567
Sat4j PB 2012-05-28 (complete)3718233OPTIMUM 0.244962 0.174983

Additionnal information

This section presents information obtained from the best job displayed in the list (i.e. solvers whose names are not hidden).

cost of falsified constraints: 0
Solution found:
-x1 -x2 x3 -x4 x5 -x6 -x7 -x8 -x9 -x10 -x11 x12 -x13 x14 -x15 -x16