Benchmark

non-incremental/QF_NRA/20200911-Pine/1599121899310413000.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:
   -0.17*u + -0.05*v + 1.0*u^2 + 0.03*u*v + 0.09*v^2 <= 0.67
 and
   u in [-0.8,0.9]
   v in [-2.5,3.0]

 Query: Loop and Invariant and not Invariant'
Benchmark
Size2014
Compressed Size970
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 2006
Compressed Size978
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
/22 +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 ❌ 1200.02000 1199.78000
cvc5 cvc5-fixed_default unknown ❌ 1200.02000 1199.94000
Par4 Par4-wrapped-sq_default sat ✅ 0.01693 0.00605
UltimateEliminator UltimateEliminator+MathSAT-5.6.6_default unknown ❌ 1200.04000 1204.31000
Vampire vampire_smt_4.6-fixed_vampire_smtcomp unknown ❌ 1200.03000 4642.44000
YicesQS yices-QS-2021-06-13under10_default sat ✅ 0.06199 0.06202
Z3 z3-4.8.11_default sat ✅ 0.01940 0.01950
z3-4.8.8_default sat ✅ 0.03483 0.03486
SMT-COMP 2022 0.33 (6/9) cvc5 cvc5-default-2022-07-02-b15e116-wrapped_sq sat ✅ 0.11448 0.11490
MathSAT MathSAT-5.6.8_default unknown ❌ 1200.05000 1199.97000
NRA-LS NRA-LS-FINAL_default unknown ❌ 1170.06000 1169.85000
Par4 Par4-wrapped-sq_default sat ✅ 0.02095 0.00708
SMT-RAT SMT-RAT-MCSAT_default sat ✅ 0.01954 0.01951
veriT veriT+raSAT+Redlog_default unknown ❌ 0.01124 0.00827
Yices2 Yices 2.6.2 for SMTCOMP 2021_default sat ✅ 0.02245 0.02240
Z3 z3-4.8.17_default sat ✅ 0.01985 0.02175
Z3++ z3++0715_default sat ✅ 0.28514 0.28517
SMT-COMP 2023 cvc5 cvc5-default-2023-05-16-ea045f305_sq sat ✅ 0.03239 0.03286
NRA-LS cvc5-NRA-LS-sq_default sat ✅ 0.10701 0.10712
Par4 Par4-wrapped-sq_default sat ✅ 0.01935 0.00643
SMT-RAT SMT-RAT-MCSAT_default sat ✅ 0.05856 0.05501
Yices2 Yices 2 for SMTCOMP 2023_default sat ✅ 0.01843 0.01838
Z3alpha z3alpha_default sat ✅ 0.02309 0.02331
Z3++ z3++0715_default sat ✅ 0.28112 0.28120
Z3++_sq_0526_default sat ✅ 0.29569 0.29577
SMT-COMP 2024 0.20 (4/5) cvc5 cvc5 sat ✅ 0.22827 0.12863
SMTInterpol SMTInterpol unknown ❌ 0.42229 0.44097
SMT-RAT SMT-RAT sat ✅ 0.27439 0.17454
Yices2 Yices2 sat ✅ 0.25334 0.15326
Z3alpha Z3-alpha sat ✅ 0.27032 0.17096