Benchmark

non-incremental/UFNIA/spec_sharp/textbook-Factorial_rec.dll.2.Factorial.recursiveFac_System.Int32.smt2 

Spec# benchmarks.  Contributed by Leonardo de Moura and Michal Moskal.
Benchmark
Size48713
Compressed Size8228
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 48705
Compressed Size8243
Max. Term Depth75
Asserts 3
Declared Functions98
Declared Constants82
Declared Sorts 0
Defined Functions0
Defined Recursive Functions 0
Defined Sorts0
Constants0
Declared Datatypes0

Symbols

true31 not666 or117 =>204
=530 distinct2 forall168 let57
Int386 +8 -18 *8
<22 <=57 >1 >=1

Evaluations

Evaluation Rating Solver Variant Result Wallclock CPU Time
SMT Evaluation 2013 CVC3 CVC3-SMT-COMP-2010 default unsat ✅ 0.13304 —
CVC3-SMT-COMP-2011 default unsat ✅ 0.10815 —
CVC3-SMT-COMP-2012 default unsat ✅ 0.10509 —
Z3 Z3-4.3.2.a054b099c1d6-x64-debian-6.0.6-SMT-EVAL-2013 default unsat ✅ 0.34745 —
Z3-SMT-COMP-2011 default unsat ✅ 0.09469 —
SMT-COMP 2014 0.33 (2/3) CVC3 CVC3 default unsat ✅ 0.13264 0.12098
CVC4 CVC4 f7118b2 default unknown ❌ 2399.51000 2400.06000
Z3 Z3-4.3.2.a054b099c1d6-x64-debian-6.0.6-SMT-COMP-2014 default unsat ✅ 0.09805 0.08999
SMT-COMP 2015 0.33 (2/3) CVC3 CVC3 default unsat ✅ 0.11483 0.11398
CVC4 CVC4-master-2015-06-15-9b32405-main default unknown ❌ 2400.01000 2400.88000
CVC4-experimental-2015-06-15-ff5745a-main default unknown ❌ 2400.01000 2400.78000
Z3 z3 4.4.0 default unsat ✅ 0.16219 0.16197
SMT-COMP 2016 CVC4 CVC4-master-2016-05-27-cfef263-main default unsat ✅ 20.33240 20.34600
Vampire vampire_smt_4.1 vampire_smtcomp unsat ✅ 0.20170 0.20259
vampire_smt_4.1_parallel vampire_smtcomp unsat ✅ 0.11285 0.11222
Z3 z3-4.4.1 default unsat ✅ 0.17288 0.17420
SMT-COMP 2017 CVC4 CVC4-smtcomp2017-main default unsat ✅ 20.33360 20.33230
Vampire vampire4.2-smt vampire unsat ✅ 0.10000 0.09213
Z3 z3-4.5.0 default unsat ✅ 0.16482 0.16397
SMT-COMP 2018 CVC4 master-2018-06-10-b19c840-competition-default_default unsat ✅ 31.00240 30.35890
Vampire vampire-4.3-smt_vampire_smtcomp unsat ✅ 0.13939 0.23052
Z3 z3-4.7.1_default unsat ✅ 1.16575 1.16560
SMT-COMP 2019 0.17 (5/6) Alt-Ergo Alt-Ergo-SMTComp-2019-wrapped-sq_default unsat ✅ 0.20220 0.19885
CVC4 CVC4-2019-06-03-d350fe1-wrapped-sq_default unsat ✅ 65.17760 60.67020
CVC4-SymBreak_03_06_2019-wrapped-sq_default unsat ✅ 64.21530 60.74520
Par4 Par4-wrapped-sq_default unsat ✅ 0.17779 0.00618
UltimateEliminator UltimateEliminator+MathSAT-5.5.4-wrapped-sq_default unknown ❌ 2.65291 4.00092
UltimateEliminator+Yices-2.6.1-wrapped-sq_default unknown ❌ 2.37568 3.97793
Vampire vampire-4.4-smtcomp-wrapped-sq_default unsat ✅ 0.49258 0.30827
vampire-4.3-smt_vampire_smtcomp unsat ✅ 0.24021 0.33065
Z3 z3-4.8.4-d6df51951f4c-wrapped-sq_default unsat ✅ 0.11828 0.11827
z3-4.7.1_default unsat ✅ 0.15548 0.15521
SMT-COMP 2021 0.29 (5/7) CVC4 CVC4-sq-final_default unsat ✅ 0.15784 0.15818
cvc5 cvc5-fixed_default unsat ✅ 0.13491 0.13548
Par4 Par4-wrapped-sq_default unsat ✅ 0.14672 0.00617
SMTInterpol smtinterpol-2.5-823-g881e8631_default unknown ❌ 0.31984 0.46565
UltimateEliminator UltimateEliminator+MathSAT-5.6.6_default unknown ❌ 11.06680 27.58880
Vampire vampire_smt_4.6-fixed_vampire_smtcomp unsat ✅ 0.34215 0.28831
vampire_smt_4.5_vampire_smtcomp unsat ✅ 0.23681 0.16993
Z3 z3-4.8.11_default unsat ✅ 0.10339 0.10334
SMT-COMP 2022 0.20 (4/5) CVC4 CVC4-sq-final_default unsat ✅ 0.15256 0.15290
cvc5 cvc5-default-2022-07-02-b15e116-wrapped_sq unsat ✅ 0.31238 0.31297
UltimateEliminator UltimateEliminator+MathSAT-5.6.7-wrapped_default unknown ❌ 3.62453 7.02108
Vampire vampire_4.7_smt_fix-wrapped_vampire_smtcomp unsat ✅ 0.24207 0.13910
Z3 z3-4.8.17_default unsat ✅ 0.11013 0.11192
SMT-COMP 2025 0.50 (2/4) cvc5 cvc5 unsat ✅ 0.35706 0.23150
iProver iProver v3.9.3 unsat ✅ 0.88415 2.03946
SMTInterpol SMTInterpol unknown ❌ 1201.77162 1392.44804
UltimateEliminator UltimateEliminator+MathSAT unknown ❌ 123.69962 133.29670