Benchmark

non-incremental/QF_NRA/20200911-Pine/1599121904850228000.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 <= 1.28
 and
   u in [-1.1,1.3]
   v in [-3.4,3.4]

 Query: Loop and Invariant and not Invariant'
Benchmark
Size2061
Compressed Size980
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 2053
Compressed Size991
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 ❌ 1200.04000 1200.00000
cvc5 cvc5-fixed_default unknown ❌ 1200.01000 1200.03000
Par4 Par4-wrapped-sq_default sat ✅ 0.17121 0.00758
UltimateEliminator UltimateEliminator+MathSAT-5.6.6_default unknown ❌ 1200.03000 1203.59000
Vampire vampire_smt_4.6-fixed_vampire_smtcomp unknown ❌ 1200.03000 4656.22000
YicesQS yices-QS-2021-06-13under10_default sat ✅ 0.24141 0.24131
Z3 z3-4.8.11_default sat ✅ 0.11696 0.11704
z3-4.8.8_default sat ✅ 0.12711 0.12705
SMT-COMP 2022 0.44 (5/9) cvc5 cvc5-default-2022-07-02-b15e116-wrapped_sq unknown ❌ 1200.02000 1198.51000
MathSAT MathSAT-5.6.8_default unknown ❌ 1200.04000 1199.90000
NRA-LS NRA-LS-FINAL_default unknown ❌ 1171.96000 1170.27000
Par4 Par4-wrapped-sq_default sat ✅ 0.17641 0.00688
SMT-RAT SMT-RAT-MCSAT_default sat ✅ 1.90529 1.90133
veriT veriT+raSAT+Redlog_default unknown ❌ 0.01403 0.00854
Yices2 Yices 2.6.2 for SMTCOMP 2021_default sat ✅ 0.13943 0.13931
Z3 z3-4.8.17_default sat ✅ 0.11650 0.11841
Z3++ z3++0715_default sat ✅ 0.38850 0.38858
SMT-COMP 2023 0.29 (5/7) cvc5 cvc5-default-2023-05-16-ea045f305_sq unknown ❌ 1200.02000 1198.71000
NRA-LS cvc5-NRA-LS-sq_default unknown ❌ 1170.06000 1169.89000
Par4 Par4-wrapped-sq_default sat ✅ 0.13589 0.00633
SMT-RAT SMT-RAT-MCSAT_default sat ✅ 0.61966 0.61961
Yices2 Yices 2 for SMTCOMP 2023_default sat ✅ 0.09481 0.09463
Z3alpha z3alpha_default sat ✅ 0.14406 0.13988
Z3++ z3++0715_default sat ✅ 0.39276 0.39169
Z3++_sq_0526_default sat ✅ 0.40113 0.40101
SMT-COMP 2024 0.20 (4/5) cvc5 cvc5 sat ✅ 900.32907 900.14297
SMTInterpol SMTInterpol unknown ❌ 0.46638 0.49956
SMT-RAT SMT-RAT sat ✅ 1.25954 1.15958
Yices2 Yices2 sat ✅ 0.31894 0.21930
Z3alpha Z3-alpha sat ✅ 97.57006 97.44159