Benchmark

non-incremental/QF_NRA/20200911-Pine/1599122159846134000.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:
   -0.74*u + 0.03*v + 1.0*u^2 + -0.09*u*v + 0.05*v^2 <= 0.57
 and
   u in [-0.3,1.3]
   v in [-3.5,3.0]

 Query: Loop and Invariant and not Invariant'
Benchmark
Size1899
Compressed Size921
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 1891
Compressed Size932
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 let7
/20 +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 sat ✅ 39.68430 39.67730
cvc5 cvc5-fixed_default unknown ❌ 1200.04000 1198.25000
Par4 Par4-wrapped-sq_default sat ✅ 0.01917 0.00849
UltimateEliminator UltimateEliminator+MathSAT-5.6.6_default unknown ❌ 1200.03000 1203.94000
Vampire vampire_smt_4.6-fixed_vampire_smtcomp unknown ❌ 1200.02000 4648.75000
YicesQS yices-QS-2021-06-13under10_default sat ✅ 0.03892 0.03897
Z3 z3-4.8.11_default sat ✅ 0.03549 0.03533
z3-4.8.8_default sat ✅ 0.03499 0.03498
SMT-COMP 2022 0.11 (8/9) cvc5 cvc5-default-2022-07-02-b15e116-wrapped_sq sat ✅ 0.05960 0.06067
MathSAT MathSAT-5.6.8_default unknown ❌ 1200.02000 1199.99000
NRA-LS NRA-LS-FINAL_default sat ✅ 0.25993 0.25997
Par4 Par4-wrapped-sq_default sat ✅ 0.02132 0.00640
SMT-RAT SMT-RAT-MCSAT_default sat ✅ 0.03745 0.03733
veriT veriT+raSAT+Redlog_default sat ✅ 0.02975 0.02913
Yices2 Yices 2.6.2 for SMTCOMP 2021_default sat ✅ 0.02346 0.01941
Z3 z3-4.8.17_default sat ✅ 0.02353 0.02541
Z3++ z3++0715_default sat ✅ 0.28697 0.28704
SMT-COMP 2024 0.20 (4/5) cvc5 cvc5 sat ✅ 0.22133 0.12183
SMTInterpol SMTInterpol unknown ❌ 0.42014 0.43953
SMT-RAT SMT-RAT sat ✅ 0.22441 0.12467
Yices2 Yices2 sat ✅ 0.28226 0.18210
Z3alpha Z3-alpha sat ✅ 0.26564 0.16617
SMT-COMP 2025 0.17 (5/6) cvc5 cvc5 sat ✅ 0.29194 0.17121
SMTInterpol SMTInterpol unknown ❌ 0.45242 0.43714
SMT-RAT SMT-RAT sat ✅ 0.29296 0.17079
Yices2 Yices2 sat ✅ 0.29772 0.17077
Z3alpha Z3-alpha sat ✅ 0.61106 0.49210
Z3 Z3-alpha-base sat ✅ 0.29989 0.17092
z3siri-base sat ✅ 0.26393 0.14435