Benchmark

non-incremental/QF_NRA/20200911-Pine/1599121979237207000.smt2

These benchmarks were generated while developing the tool Pine [1], which uses
CVC4/Z3 to check inductiveness of invariants. The work is described in [2].

[1] https://github.com/izycheva/pine
[2] A.Izycheva, E.Darulova, H.Seidl, SAS'20, "Counterexample- and Simulation-Guided Floating-Point Loop Invariant Synthesis"

 Loop:
   u' := u + 0.01 * v
   v' := v + 0.01 * (-0.5 * v - 9.81 * u)

 Input ranges:
   u in [0.0,0.0]
   v in [2.0,3.0]

 Invariant:
   -0.09*u + 1.0*u^2 + 0.04*u*v + 0.12*v^2 <= 1.7
 and
   u in [-1.2,1.3]
   v in [-3.8,3.6]

 Query: Loop and Invariant and not Invariant'
Benchmark
Size1851
Compressed Size912
License Creative Commons Attribution 4.0 International (CC-BY-4.0)
Categoryindustrial
First Occurrence2021-07-18
Generated ByAnastasiia Izycheva, Eva Darulova
Generated On2020-09-11 00:00:00
GeneratorPine (using Z3 Python API)
Dolmen OK1
strict Dolmen OK1
check-sat calls1
Query 1
Status unknown
Inferred Status sat
Size 1843
Compressed Size913
Max. Term Depth14
Asserts 1
Declared Functions0
Declared Constants4
Declared Sorts 0
Defined Functions0
Defined Recursive Functions 0
Defined Sorts0
Constants0
Declared Datatypes0

Symbols

not1 and6 =2 let7
/20 +8 -8 *18
<=4 >=6

Evaluations

Evaluation Rating Solver Variant Result Wallclock CPU Time
SMT-COMP 2021 0.60 (4/10) CVC4 CVC4-sq-final_default unknown ❌ 36.55930 36.55590
cvc5 cvc5-fixed_default sat ✅ 1.81267 1.81325
Par4 Par4-wrapped-sq_default sat ✅ 0.01761 0.00615
UltimateEliminator UltimateEliminator+MathSAT-5.6.6_default unknown ❌ 1200.04000 1203.52000
Vampire vampire_smt_4.6-fixed_vampire_smtcomp unknown ❌ 1200.13000 4660.01000
YicesQS yices-QS-2021-06-13under10_default sat ✅ 0.06959 0.06962
Z3 z3-4.8.11_default sat ✅ 0.01902 0.01911
z3-4.8.8_default sat ✅ 0.03531 0.03531
SMT-COMP 2022 0.11 (8/9) cvc5 cvc5-default-2022-07-02-b15e116-wrapped_sq sat ✅ 0.06283 0.06335
MathSAT MathSAT-5.6.8_default unknown ❌ 1200.07000 1199.95000
NRA-LS NRA-LS-FINAL_default sat ✅ 0.04537 0.04544
Par4 Par4-wrapped-sq_default sat ✅ 0.02250 0.00787
SMT-RAT SMT-RAT-MCSAT_default sat ✅ 0.03508 0.03504
veriT veriT+raSAT+Redlog_default sat ✅ 0.03405 0.03406
Yices2 Yices 2.6.2 for SMTCOMP 2021_default sat ✅ 0.06217 0.05988
Z3 z3-4.8.17_default sat ✅ 0.02210 0.02399
Z3++ z3++0715_default sat ✅ 0.28974 0.28980
SMT-COMP 2024 0.20 (4/5) cvc5 cvc5 sat ✅ 0.25049 0.15030
SMTInterpol SMTInterpol unknown ❌ 0.44694 0.46301
SMT-RAT SMT-RAT sat ✅ 0.22670 0.12703
Yices2 Yices2 sat ✅ 0.22734 0.12753
Z3alpha Z3-alpha sat ✅ 0.27578 0.17631
SMT-COMP 2025 0.17 (5/6) cvc5 cvc5 sat ✅ 0.26110 0.14348
SMTInterpol SMTInterpol unknown ❌ 0.46612 0.44908
SMT-RAT SMT-RAT sat ✅ 0.30021 0.17421
Yices2 Yices2 sat ✅ 0.29829 0.17355
Z3alpha Z3-alpha sat ✅ 0.59871 0.48169
Z3 Z3-alpha-base sat ✅ 0.27580 0.16018
z3siri-base sat ✅ 0.31612 0.19833