Benchmark

non-incremental/QF_NRA/20200911-Pine/1599121977052667000.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:
   -0.13*u + -0.01*v + 1.0*u^2 + 0.02*u*v + 0.09*v^2 <= 0.79
 and
   u in [-0.9,1.0]
   v in [-2.8,3.0]

 Query: Loop and Invariant and not Invariant'
Benchmark
Size1929
Compressed Size919
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 1921
Compressed Size932
Max. Term Depth17
Asserts 1
Declared Functions0
Declared Constants4
Declared Sorts 0
Defined Functions0
Defined Recursive Functions 0
Defined Sorts0
Constants0
Declared Datatypes0

Symbols

not1 and6 =2 let9
/18 +10 -10 *20
<=4 >=6

Evaluations

Evaluation Rating Solver Variant Result Wallclock CPU Time
SMT-COMP 2021 0.60 (4/10) CVC4 CVC4-sq-final_default unknown ❌ 57.04520 57.01780
cvc5 cvc5-fixed_default sat ✅ 0.61983 0.62036
Par4 Par4-wrapped-sq_default sat ✅ 0.01705 0.00609
UltimateEliminator UltimateEliminator+MathSAT-5.6.6_default unknown ❌ 1200.04000 1203.80000
Vampire vampire_smt_4.6-fixed_vampire_smtcomp unknown ❌ 1200.03000 4628.14000
YicesQS yices-QS-2021-06-13under10_default sat ✅ 0.08916 0.08916
Z3 z3-4.8.11_default sat ✅ 0.01923 0.01934
z3-4.8.8_default sat ✅ 0.03491 0.03496
SMT-COMP 2022 0.11 (8/9) cvc5 cvc5-default-2022-07-02-b15e116-wrapped_sq sat ✅ 0.05529 0.05583
MathSAT MathSAT-5.6.8_default unknown ❌ 1200.07000 1199.89000
NRA-LS NRA-LS-FINAL_default sat ✅ 0.06260 0.06266
Par4 Par4-wrapped-sq_default sat ✅ 0.02199 0.00646
SMT-RAT SMT-RAT-MCSAT_default sat ✅ 0.01986 0.01985
veriT veriT+raSAT+Redlog_default sat ✅ 0.02727 0.02735
Yices2 Yices 2.6.2 for SMTCOMP 2021_default sat ✅ 0.04242 0.04238
Z3 z3-4.8.17_default sat ✅ 0.02365 0.02554
Z3++ z3++0715_default sat ✅ 0.28855 0.28863
SMT-COMP 2024 0.20 (4/5) cvc5 cvc5 sat ✅ 0.22270 0.12326
SMTInterpol SMTInterpol unknown ❌ 0.45530 0.47451
SMT-RAT SMT-RAT sat ✅ 0.27604 0.17608
Yices2 Yices2 sat ✅ 0.23501 0.13523
Z3alpha Z3-alpha sat ✅ 0.26684 0.16759
SMT-COMP 2025 0.17 (5/6) cvc5 cvc5 sat ✅ 0.26836 0.14530
SMTInterpol SMTInterpol unknown ❌ 0.43633 0.43098
SMT-RAT SMT-RAT sat ✅ 0.29373 0.16766
Yices2 Yices2 sat ✅ 0.27519 0.15699
Z3alpha Z3-alpha sat ✅ 0.59643 0.47265
Z3 Z3-alpha-base sat ✅ 0.27398 0.15541
z3siri-base sat ✅ 0.30908 0.17611