Benchmark

non-incremental/UFNIA/spec_sharp/textbook-Fibonacci.dll.2.Fibonacci.fibonacci_System.Int32.smt2 

Spec# benchmarks.  Contributed by Leonardo de Moura and Michal Moskal.
Benchmark
Size48355
Compressed Size8209
License Creative Commons Attribution 4.0 International (CC-BY-4.0)
Categoryindustrial
First Occurrence2009-08-02
Generated By—
Generated On—
Generator—
Dolmen OK1
strict Dolmen OK1
check-sat calls1
Query 1
Status unsat
Inferred Status unsat
Size 48347
Compressed Size8217
Max. Term Depth133
Asserts 3
Declared Functions98
Declared Constants77
Declared Sorts 0
Defined Functions0
Defined Recursive Functions 0
Defined Sorts0
Constants0
Declared Datatypes0

Symbols

true30 false1 not701 or138
=>213 =516 distinct2 forall166
let64 Int383 +14 -17
*2 <22 <=66 >1
>=3

Evaluations

Evaluation Rating Solver Variant Result Wallclock CPU Time
SMT Evaluation 2013 CVC3 CVC3-SMT-COMP-2010 default unknown ❌ — —
CVC3-SMT-COMP-2011 default unsat ✅ 0.20606 —
CVC3-SMT-COMP-2012 default unsat ✅ 0.23439 —
Z3 Z3-4.3.2.a054b099c1d6-x64-debian-6.0.6-SMT-EVAL-2013 default unsat ✅ 0.09159 —
Z3-SMT-COMP-2011 default unsat ✅ 0.09939 —
SMT-COMP 2015 CVC3 CVC3 default unsat ✅ 0.28725 0.28696
CVC4 CVC4-master-2015-06-15-9b32405-main default unsat ✅ 162.76600 162.70800
CVC4-experimental-2015-06-15-ff5745a-main default unsat ✅ 162.43300 162.38500
Z3 z3 4.4.0 default unsat ✅ 0.06939 0.06899
SMT-COMP 2016 CVC4 CVC4-master-2016-05-27-cfef263-main default unsat ✅ 3.66770 7.21958
Vampire vampire_smt_4.1 vampire_smtcomp unsat ✅ 0.19590 0.19678
vampire_smt_4.1_parallel vampire_smtcomp unsat ✅ 0.17827 0.09021
Z3 z3-4.4.1 default unsat ✅ 0.06782 0.06908
SMT-COMP 2017 CVC4 CVC4-smtcomp2017-main default unsat ✅ 20.34800 20.34420
Vampire vampire4.2-smt vampire unsat ✅ 0.09281 0.09200
Z3 z3-4.5.0 default unsat ✅ 0.07267 0.07186
SMT-COMP 2018 CVC4 master-2018-06-10-b19c840-competition-default_default unsat ✅ 31.45070 31.44820
Vampire vampire-4.3-smt_vampire_smtcomp unsat ✅ 0.22858 0.31625
Z3 z3-4.7.1_default unsat ✅ 0.07499 0.07489
SMT-COMP 2019 0.17 (5/6) Alt-Ergo Alt-Ergo-SMTComp-2019-wrapped-sq_default unsat ✅ 0.73268 2.76000
CVC4 CVC4-2019-06-03-d350fe1-wrapped-sq_default unsat ✅ 61.25580 60.36070
CVC4-SymBreak_03_06_2019-wrapped-sq_default unsat ✅ 60.51300 60.34210
Par4 Par4-wrapped-sq_default unsat ✅ 0.08048 0.00559
UltimateEliminator UltimateEliminator+MathSAT-5.5.4-wrapped-sq_default unknown ❌ 2.52962 4.00596
UltimateEliminator+Yices-2.6.1-wrapped-sq_default unknown ❌ 2.58455 3.99863
Vampire vampire-4.4-smtcomp-wrapped-sq_default unsat ✅ 0.58275 1.69000
vampire-4.3-smt_vampire_smtcomp unsat ✅ 0.47296 0.33212
Z3 z3-4.8.4-d6df51951f4c-wrapped-sq_default unsat ✅ 0.08125 0.07693
z3-4.7.1_default unsat ✅ 0.07463 0.07460
SMT-COMP 2021 0.29 (5/7) CVC4 CVC4-sq-final_default unsat ✅ 31.00700 30.98840
cvc5 cvc5-fixed_default unsat ✅ 3.60559 3.60281
Par4 Par4-wrapped-sq_default unsat ✅ 0.07938 0.00622
SMTInterpol smtinterpol-2.5-823-g881e8631_default unknown ❌ 0.44709 0.84774
UltimateEliminator UltimateEliminator+MathSAT-5.6.6_default unknown ❌ 3.79811 7.98478
Vampire vampire_smt_4.6-fixed_vampire_smtcomp unsat ✅ 0.21984 0.18815
vampire_smt_4.5_vampire_smtcomp unsat ✅ 0.20134 0.10909
Z3 z3-4.8.11_default unsat ✅ 0.05933 0.05929
SMT-COMP 2022 0.20 (4/5) CVC4 CVC4-sq-final_default unsat ✅ 30.45020 30.34330
cvc5 cvc5-default-2022-07-02-b15e116-wrapped_sq unsat ✅ 4.56690 4.56713
UltimateEliminator UltimateEliminator+MathSAT-5.6.7-wrapped_default unknown ❌ 167.43500 184.14500
Vampire vampire_4.7_smt_fix-wrapped_vampire_smtcomp unsat ✅ 0.25257 0.14383
Z3 z3-4.8.17_default unsat ✅ 0.05966 0.06146
SMT-COMP 2025 0.50 (2/4) cvc5 cvc5 unsat ✅ 0.45146 0.32941
iProver iProver v3.9.3 unsat ✅ 7.43341 24.66555
SMTInterpol SMTInterpol unknown ❌ 1201.44474 1671.56095
UltimateEliminator UltimateEliminator+MathSAT unknown ❌ 3.02238 7.66674