PB'10 competition: WBO track: solvers results per benchmarks

Result page for benchmark
/PARTIAL-SMALLINT-LIN/wcsp/academics/
normalized-8wqueens_wcsp.wbo

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General information on the benchmark

Name/PARTIAL-SMALLINT-LIN/wcsp/academics/
normalized-8wqueens_wcsp.wbo
MD5SUMc761615988dcb65c5397adcfc7124c5d
Bench CategoryPARTIAL-SMALLINT-LIN (both soft and hard constraints, small integers, linear constraints)
Best result obtained on this benchmarkMOPT
Best cost obtained on this benchmark2
Best CPU time to get the best result obtained on this benchmark0.001999
Max-Satisfiable
Max-(Un)Satisfiability was proved
Best value of the cost
Optimality of the best cost was proved
Number of variables64
Total number of constraints560
Number of soft constraints552
Number of constraints which are clauses552
Number of constraints which are cardinality constraints (but not clauses)8
Number of constraints which are nor clauses,nor cardinality constraints0
Minimum length of a constraint1
Maximum length of a constraint8
Top cost 9
Min constraint cost 1
Max constraint cost 9
Sum of constraints costs 4584
Biggest number in a constraint 1
Number of bits of the biggest number in a constraint 1
Biggest sum of numbers in a constraint 9
Number of bits of the biggest sum of numbers4
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 1.4a (complete)2699512OPTIMUM 0.001999 0.00613901
PB/CT 0.1 fixed (complete)2699523OPTIMUM 0.028995 0.0296501
SCIPspx SCIP 1.2.1.2 with SoPlex 1.4.2 (CVS Version 30.5.2010) as LP solver (complete)2699516OPTIMUM 0.079987 0.08036
SCIPnone SCIP 1.2.1.2 without any LP solver (complete)2699518OPTIMUM 0.085986 0.085845
pb_cplex 2010-07-01 (complete)2699521OPTIMUM 0.109982 0.113507
SCIPclp SCIP 1.2.1.3 with Clp 1.11.1 (Release Version) as LP solver (complete)2705687OPTIMUM 0.152976 0.153113
SCIPclp SCIP 1.2.1.2 with Clp 1.11.1 (Release Version) as LP solver (complete)2699517OPTIMUM 0.362943 0.363018
SAT4J PB Resolution 2.2.1 (complete)2699522OPTIMUM 0.473927 0.339976
wbo 1.4b (complete)2699513Signal 0.000999 0.00628895
PB/CT 0.1 (complete)2699520Wrong UNSAT 0.006998 0.00774297
SAT4J PB Resolution 2.2.0 2010-05-26 (complete)2699514Wrong UNSAT 0.25696 0.203073
SAT4J PB CuttingPlanes 2.2.0 2010-05-26 (complete)2699515Wrong UNSAT 0.265958 0.210204
SAT4J PB RES // CP 2.2.0 2010-05-31 (complete)2699519Wrong UNSAT 0.349946 1.24369

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: 2
Solution found:
-x1 x2 -x3 -x4 -x5 -x6 -x7 -x8 -x9 -x10 -x11 -x12 x13 -x14 -x15 -x16 -x17 -x18 -x19 -x20 -x21 -x22 x23 -x24 -x25 -x26 -x27 x28 -x29 -x30
-x31 -x32 x33 -x34 -x35 -x36 -x37 -x38 -x39 -x40 -x41 -x42 -x43 -x44 -x45 -x46 -x47 x48 -x49 -x50 -x51 -x52 -x53 x54 -x55 -x56 -x57 -x58 x59
-x60 -x61 -x62 -x63 -x64