Benchmark

non-incremental/QF_NRA/20200911-Pine/1599121901261336000.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:
   -0.15*u + -0.02*v + 1.0*u^2 + 0.04*u*v + 0.1*v^2 <= 0.97
 and
   u in [-1.0,1.1]
   v in [-3.0,3.1]

 Query: Loop and Invariant and not Invariant'
Benchmark
Size2016
Compressed Size975
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 2008
Compressed Size981
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
/20 +11 -11 *26
<=4 >=6

Evaluations

Evaluation Rating Solver Variant Result Wallclock CPU Time
SMT-COMP 2021 0.70 (3/10) CVC4 CVC4-sq-final_default unknown ❌ 1200.01000 1198.77000
cvc5 cvc5-fixed_default unknown ❌ 1200.08000 1200.02000
Par4 Par4-wrapped-sq_default sat ✅ 0.03245 0.00604
UltimateEliminator UltimateEliminator+MathSAT-5.6.6_default unknown ❌ 1200.02000 1203.69000
Vampire vampire_smt_4.6-fixed_vampire_smtcomp unknown ❌ 1200.03000 4649.96000
YicesQS yices-QS-2021-06-13under10_default sat ✅ 0.10656 0.10659
Z3 z3-4.8.11_default sat ✅ 0.04181 0.04188
z3-4.8.8_default sat ✅ 0.05630 0.05633
SMT-COMP 2022 0.22 (7/9) cvc5 cvc5-default-2022-07-02-b15e116-wrapped_sq sat ✅ 0.18461 0.18521
MathSAT MathSAT-5.6.8_default unknown ❌ 1200.06000 1200.05000
NRA-LS NRA-LS-FINAL_default sat ✅ 119.76500 119.74500
Par4 Par4-wrapped-sq_default sat ✅ 0.04545 0.00692
SMT-RAT SMT-RAT-MCSAT_default sat ✅ 0.62560 0.62559
veriT veriT+raSAT+Redlog_default unknown ❌ 0.01111 0.00812
Yices2 Yices 2.6.2 for SMTCOMP 2021_default sat ✅ 0.07314 0.07311
Z3 z3-4.8.17_default sat ✅ 0.03964 0.04181
Z3++ z3++0715_default sat ✅ 0.29851 0.29856
SMT-COMP 2023 0.14 (6/7) cvc5 cvc5-default-2023-05-16-ea045f305_sq sat ✅ 0.13315 0.13348
NRA-LS cvc5-NRA-LS-sq_default unknown ❌ 1170.06000 1169.91000
Par4 Par4-wrapped-sq_default sat ✅ 0.03458 0.00990
SMT-RAT SMT-RAT-MCSAT_default sat ✅ 0.23046 0.23045
Yices2 Yices 2 for SMTCOMP 2023_default sat ✅ 0.06362 0.06359
Z3alpha z3alpha_default sat ✅ 0.03997 0.04019
Z3++ z3++0715_default sat ✅ 0.30601 0.30607
Z3++_sq_0526_default sat ✅ 0.30437 0.30445
SMT-COMP 2025 0.17 (5/6) cvc5 cvc5 sat ✅ 0.27479 0.15341
SMTInterpol SMTInterpol unknown ❌ 0.42469 0.41706
SMT-RAT SMT-RAT sat ✅ 0.35827 0.23238
Yices2 Yices2 sat ✅ 0.34770 0.21531
Z3alpha Z3-alpha sat ✅ 0.62320 0.57099
Z3 Z3-alpha-base sat ✅ 0.28980 0.16835
z3siri-base sat ✅ 0.30899 0.18301