Benchmark

non-incremental/QF_ABV/brummayerbiere2/countbitstableuninit0128.smt2

Count bits pop(x) algorithm, table lookup method, buggy version
From the book "Hacker's delight" by Henry S. Warren, Jr., page 71
The algorithm precomputes pop(x) for x in range 0 to 255 and stores it
into a lookup table. However, one precomputed value is uninitialized.

We try to cross-check it with the obvious method of counting bits:
for (s = i = 0; i < BW; i++)
  if (x & (1 << i))
    s++;

Contributed by Robert Brummayer (robert.brummayer@gmail.com)
Benchmark
Size33184
Compressed Size2292
License Creative Commons Attribution 4.0 International (CC-BY-4.0)
Categorycrafted
First Occurrence2008-07-07
Generated By
Generated On
Generator
Dolmen OK1
strict Dolmen OK1
check-sat calls1
Query 1
Status sat
Inferred Status sat
Size 33176
Compressed Size2308
Max. Term Depth259
Asserts 1
Declared Functions0
Declared Constants2
Declared Sorts 0
Defined Functions0
Defined Recursive Functions 0
Defined Sorts0
Constants0
Declared Datatypes0

Symbols

ite257 not1 =258 let141
concat16 extract16 bvnot129 bvand128
bvadd143 bvshl128 bvlshr15 zero_extend128
select16 store255

Evaluations

Evaluation Rating Solver Variant Result Wallclock CPU Time
SMT-COMP 2010 Boolector Boolector 1.2 sat ✅ 14.70000
CVC3 CVC3 2.3 sat ✅ 76.50000
SMT Evaluation 2013 Boolector Boolector-1.5.118-SMT-EVAL-2013 default sat ✅ 1.59343
Boolector-SMT-COMP-2011 default sat ✅ 30.82210
Boolector-SMT-COMP-2012 default sat ✅ 4.11752
CVC3 CVC3-SMT-COMP-2010 default sat ✅ 49.70430
CVC3-SMT-COMP-2011 default sat ✅ 50.06510
CVC3-SMT-COMP-2012 default sat ✅ 51.19010
CVC4 CVC4-SMT-COMP-2012-Resubmission default sat ✅ 663.58500
CVC4-SMT-EVAL-2013 default sat ✅ 370.26700
MathSAT MathSAT5-5.2.6-SMT-EVAL-2013 default sat ✅ 15.58220
MathSAT5-SMT-COMP-2011 default sat ✅ 668.36600
MathSAT5-SMT-COMP-2012 default sat ✅ 319.78300
SONOLAR SONOLAR-2013-05-15-SMT-EVAL-2013 default sat ✅ 1.52516
SONOLAR-SMT-COMP-2011 default sat ✅ 11.23310
SONOLAR-SMT-COMP-2012 default sat ✅ 23.92580
Tiffany de Wintermonte TdW-SMT-COMP-2012 default sat ✅ 1.52574
Z3 Z3-4.3.2.a054b099c1d6-x64-debian-6.0.6-SMT-EVAL-2013 default sat ✅ 484.08200
Z3-SMT-COMP-2011 default unknown ❌
SMT-COMP 2014 0.14 (6/7) Boolector Boolector boolectord sat ✅ 1.13188 1.12183
Boolector boolectorj sat ✅ 1.08152 1.07883
CVC4 CVC4 f7118b2 default sat ✅ 135.55700 135.53700
Kleaver Kleaver-indie-more-typed kleaver_indie_1 unknown ❌ 0.02109 0.02000
Kleaver-indie-more-typed kleaver_portfolio unknown ❌ 0.04457 0.03499
MathSAT MathSAT-5.2.12-Main default sat ✅ 17.79630 17.79130
SONOLAR sonolar_smtcomp-2014 default sat ✅ 5.80261 5.79012
Yices2 Yices-2.2.1-smtcomp2014 default sat ✅ 1.71117 1.70274
Z3 Z3-4.3.2.a054b099c1d6-x64-debian-6.0.6-SMT-COMP-2014 default sat ✅ 212.52800 212.57800
SMT-COMP 2015 Boolector Boolector SMT15 QF_AUFBV final boolector_qf_aufbv sat ✅ 4.53952 4.54031
CVC4 CVC4-master-2015-06-15-9b32405-main default sat ✅ 1185.02000 1185.39000
CVC4-experimental-2015-06-15-ff5745a-main default sat ✅ 65.55190 65.56600
MathSAT MathSat 5.3.6 main smtcomp2015_main sat ✅ 21.70370 21.71270
Yices2 Yices default sat ✅ 1.15992 1.15882
Z3 z3 4.4.0 default sat ✅ 40.67660 40.69380
SMT-COMP 2016 Boolector Boolector boolector sat ✅ 2.30042 2.30200
CVC4 CVC4-master-2016-05-27-cfef263-main default sat ✅ 70.47760 69.19940
MathSAT mathsat-5.3.11-linux-x86_64-Main default sat ✅ 45.75370 45.78130
Yices2 Yices-2.4.2 default sat ✅ 1.14854 1.14926
Z3 z3-4.4.1 default sat ✅ 0.54312 0.54471
SMT-COMP 2017 Boolector Boolector SMT17 final boolector sat ✅ 1.64768 1.64703
CVC4 CVC4-smtcomp2017-main default sat ✅ 10.01360 10.01240
MathSAT mathsat-5.4.1-linux-x86_64-Main default sat ✅ 24.28150 24.28250
Yices2 Yices2-Main default sat ✅ 1.11544 1.11482
Z3 z3-4.5.0 default sat ✅ 38.75090 38.72860
SMT-COMP 2018 0.20 (4/5) Boolector Boolector_default sat ✅ 3.01394 3.01380
CVC4 master-2018-06-10-b19c840-competition-default_default sat ✅ 5.87591 5.87548
MathSAT mathsat-5.5.2-linux-x86_64-Main_default unknown ❌ 81.35890 81.35790
Yices2 Yices 2.6.0_default sat ✅ 6.02168 6.02090
Z3 z3-4.7.1_default sat ✅ 794.67600 794.60500
SMT-COMP 2024 0.25 (3/4) Bitwuzla Bitwuzla sat ✅ 4.36875 4.26386
cvc5 cvc5 sat ✅ 14.67641 14.55661
SMTInterpol SMTInterpol unknown ❌ 1201.76490 1323.86857
Yices2 Yices2 sat ✅ 2.63911 2.53965