Benchmark

non-incremental/QF_NRA/20200911-Pine/1599121905676685000.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 + -0.01*v + 1.0*u^2 + 0.04*u*v + 0.11*v^2 <= 1.39
 and
   u in [-1.1,1.3]
   v in [-3.5,3.5]

 Query: Loop and Invariant and not Invariant'
Benchmark
Size2063
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 2055
Compressed Size985
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
/24 +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 ❌ 1200.06000 1200.05000
cvc5 cvc5-fixed_default unknown ❌ 1200.02000 1199.96000
Par4 Par4-wrapped-sq_default sat ✅ 0.11125 0.00642
UltimateEliminator UltimateEliminator+MathSAT-5.6.6_default unknown ❌ 1200.02000 1203.84000
Vampire vampire_smt_4.6-fixed_vampire_smtcomp unknown ❌ 1200.07000 4695.73000
YicesQS yices-QS-2021-06-13under10_default sat ✅ 0.22542 0.22545
Z3 z3-4.8.11_default sat ✅ 0.09309 0.09317
z3-4.8.8_default sat ✅ 0.10726 0.10729
SMT-COMP 2023 0.29 (5/7) cvc5 cvc5-default-2023-05-16-ea045f305_sq unknown ❌ 1200.02000 1199.20000
NRA-LS cvc5-NRA-LS-sq_default unknown ❌ 1170.33000 1170.05000
Par4 Par4-wrapped-sq_default sat ✅ 0.07459 0.00978
SMT-RAT SMT-RAT-MCSAT_default sat ✅ 0.44997 0.44991
Yices2 Yices 2 for SMTCOMP 2023_default sat ✅ 0.04702 0.04698
Z3alpha z3alpha_default sat ✅ 0.10688 0.10710
Z3++ z3++0715_default sat ✅ 0.31451 0.31456
Z3++_sq_0526_default sat ✅ 0.32538 0.32543
SMT-COMP 2025 0.17 (5/6) cvc5 cvc5 sat ✅ 900.31532 900.00631
SMTInterpol SMTInterpol unknown ❌ 0.40857 0.39416
SMT-RAT SMT-RAT sat ✅ 0.28312 0.16468
Yices2 Yices2 sat ✅ 4.17128 4.05394
Z3alpha Z3-alpha sat ✅ 0.57210 0.49901
Z3 Z3-alpha-base sat ✅ 0.29588 0.17980
z3siri-base sat ✅ 0.31876 0.19404