Benchmark

non-incremental/QF_NRA/20200911-Pine/1599121905853387000.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 - (u*u*u)/6.0 + (u*u*u*u*u)/120.0))

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

 Invariant:
   -0.16*u + 1.0*u^2 + 0.03*u*v + 0.11*v^2 <= 1.41
 and
   u in [-1.1,1.3]
   v in [-3.6,3.5]

 Query: Loop and Invariant and not Invariant'
Benchmark
Size1981
Compressed Size958
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 1973
Compressed Size969
Max. Term Depth15
Asserts 1
Declared Functions0
Declared Constants4
Declared Sorts 0
Defined Functions0
Defined Recursive Functions 0
Defined Sorts0
Constants0
Declared Datatypes0

Symbols

not1 and6 =2 let8
/22 +9 -9 *24
<=4 >=6

Evaluations

Evaluation Rating Solver Variant Result Wallclock CPU Time
SMT-COMP 2021 0.70 (3/10) CVC4 CVC4-sq-final_default unknown ❌ 1200.04000 1199.67000
cvc5 cvc5-fixed_default unknown ❌ 1200.03000 1199.88000
Par4 Par4-wrapped-sq_default sat ✅ 0.01903 0.00670
UltimateEliminator UltimateEliminator+MathSAT-5.6.6_default unknown ❌ 1200.03000 1203.55000
Vampire vampire_smt_4.6-fixed_vampire_smtcomp unknown ❌ 1200.04000 4705.10000
YicesQS yices-QS-2021-06-13under10_default sat ✅ 0.16718 0.16718
Z3 z3-4.8.11_default sat ✅ 0.02061 0.02070
z3-4.8.8_default sat ✅ 0.03611 0.03615
SMT-COMP 2022 0.22 (7/9) cvc5 cvc5-default-2022-07-02-b15e116-wrapped_sq sat ✅ 0.06497 0.06536
MathSAT MathSAT-5.6.8_default unknown ❌ 1200.05000 1200.01000
NRA-LS NRA-LS-FINAL_default sat ✅ 0.24486 0.24493
Par4 Par4-wrapped-sq_default sat ✅ 0.01917 0.00627
SMT-RAT SMT-RAT-MCSAT_default sat ✅ 0.03796 0.03795
veriT veriT+raSAT+Redlog_default unknown ❌ 0.01207 0.00773
Yices2 Yices 2.6.2 for SMTCOMP 2021_default sat ✅ 0.06312 0.06310
Z3 z3-4.8.17_default sat ✅ 0.02042 0.02233
Z3++ z3++0715_default sat ✅ 0.34625 0.34634
SMT-COMP 2024 0.20 (4/5) cvc5 cvc5 sat ✅ 0.22944 0.13007
SMTInterpol SMTInterpol unknown ❌ 0.40870 0.42522
SMT-RAT SMT-RAT sat ✅ 0.26457 0.16466
Yices2 Yices2 sat ✅ 0.30076 0.20094
Z3alpha Z3-alpha sat ✅ 0.28935 0.18989
SMT-COMP 2025 0.17 (5/6) cvc5 cvc5 sat ✅ 0.30882 0.19123
SMTInterpol SMTInterpol unknown ❌ 0.45878 0.44275
SMT-RAT SMT-RAT sat ✅ 0.40369 0.28347
Yices2 Yices2 sat ✅ 0.27622 0.15819
Z3alpha Z3-alpha sat ✅ 0.62295 0.65183
Z3 Z3-alpha-base sat ✅ 0.33675 0.20850
z3siri-base sat ✅ 0.30092 0.17445