Benchmark

non-incremental/QF_NRA/20200911-Pine/1599121979634128000.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:
   -0.1*u + -0.01*v + 1.0*u^2 + 0.03*u*v + 0.1*v^2 <= 1.64
 and
   u in [-1.3,1.3]
   v in [-4.0,3.7]

 Query: Loop and Invariant and not Invariant'
Benchmark
Size1918
Compressed Size927
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 1910
Compressed Size930
Max. Term Depth16
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
/20 +10 -10 *20
<=4 >=6

Evaluations

Evaluation Rating Solver Variant Result Wallclock CPU Time
SMT-COMP 2021 0.70 (3/10) CVC4 CVC4-sq-final_default unknown ❌ 35.20180 35.11990
cvc5 cvc5-fixed_default unknown ❌ 1200.04000 1200.04000
Par4 Par4-wrapped-sq_default sat ✅ 0.02524 0.00847
UltimateEliminator UltimateEliminator+MathSAT-5.6.6_default unknown ❌ 1200.05000 1203.71000
Vampire vampire_smt_4.6-fixed_vampire_smtcomp unknown ❌ 1200.02000 4677.44000
YicesQS yices-QS-2021-06-13under10_default sat ✅ 0.07414 0.07419
Z3 z3-4.8.11_default sat ✅ 0.02175 0.02184
z3-4.8.8_default sat ✅ 0.03791 0.03796
SMT-COMP 2022 0.11 (8/9) cvc5 cvc5-default-2022-07-02-b15e116-wrapped_sq sat ✅ 0.16965 0.17022
MathSAT MathSAT-5.6.8_default unknown ❌ 1200.07000 1200.02000
NRA-LS NRA-LS-FINAL_default sat ✅ 0.17914 0.17918
Par4 Par4-wrapped-sq_default sat ✅ 0.02204 0.00699
SMT-RAT SMT-RAT-MCSAT_default sat ✅ 0.12568 0.12567
veriT veriT+raSAT+Redlog_default sat ✅ 0.31904 0.32419
Yices2 Yices 2.6.2 for SMTCOMP 2021_default sat ✅ 0.08523 0.08426
Z3 z3-4.8.17_default sat ✅ 0.02315 0.02506
Z3++ z3++0715_default sat ✅ 0.28751 0.28760
SMT-COMP 2024 0.20 (4/5) cvc5 cvc5 sat ✅ 0.26096 0.16140
SMTInterpol SMTInterpol unknown ❌ 0.41716 0.43707
SMT-RAT SMT-RAT sat ✅ 0.24843 0.14900
Yices2 Yices2 sat ✅ 0.27863 0.17860
Z3alpha Z3-alpha sat ✅ 0.26999 0.17045
SMT-COMP 2025 0.17 (5/6) cvc5 cvc5 sat ✅ 0.31996 0.19395
SMTInterpol SMTInterpol unknown ❌ 0.46100 0.44905
SMT-RAT SMT-RAT sat ✅ 0.30711 0.18112
Yices2 Yices2 sat ✅ 0.31881 0.19405
Z3alpha Z3-alpha sat ✅ 0.58990 0.47314
Z3 Z3-alpha-base sat ✅ 0.34514 0.22279
z3siri-base sat ✅ 0.26585 0.14775