Benchmark

non-incremental/QF_NRA/20200911-Pine/1599121905004413000.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 + -0.01*v + 1.0*u^2 + 0.04*u*v + 0.1*v^2 <= 1.26
 and
   u in [-1.1,1.3]
   v in [-3.4,3.5]

 Query: Loop and Invariant and not Invariant'
Benchmark
Size2058
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 2050
Compressed Size996
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 1200.04000
cvc5 cvc5-fixed_default unknown ❌ 1200.03000 1200.00000
Par4 Par4-wrapped-sq_default sat ✅ 0.15107 0.00763
UltimateEliminator UltimateEliminator+MathSAT-5.6.6_default unknown ❌ 1200.05000 1203.55000
Vampire vampire_smt_4.6-fixed_vampire_smtcomp unknown ❌ 1200.10000 4651.53000
YicesQS yices-QS-2021-06-13under10_default sat ✅ 0.33237 0.32945
Z3 z3-4.8.11_default sat ✅ 0.13297 0.13304
z3-4.8.8_default sat ✅ 0.14481 0.14482
SMT-COMP 2022 0.22 (7/9) cvc5 cvc5-default-2022-07-02-b15e116-wrapped_sq sat ✅ 0.49916 0.49970
MathSAT MathSAT-5.6.8_default unknown ❌ 1200.10000 1199.96000
NRA-LS NRA-LS-FINAL_default sat ✅ 5.00828 5.00807
Par4 Par4-wrapped-sq_default sat ✅ 0.15358 0.00661
SMT-RAT SMT-RAT-MCSAT_default sat ✅ 1.54893 1.54896
veriT veriT+raSAT+Redlog_default unknown ❌ 0.01033 0.00823
Yices2 Yices 2.6.2 for SMTCOMP 2021_default sat ✅ 0.14286 0.14284
Z3 z3-4.8.17_default sat ✅ 0.13277 0.13467
Z3++ z3++0715_default sat ✅ 0.36478 0.36482
SMT-COMP 2024 0.20 (4/5) cvc5 cvc5 sat ✅ 0.31315 0.21357
SMTInterpol SMTInterpol unknown ❌ 0.43560 0.46827
SMT-RAT SMT-RAT sat ✅ 0.89136 0.79197
Yices2 Yices2 sat ✅ 0.26498 0.16548
Z3alpha Z3-alpha sat ✅ 0.29785 0.19738
SMT-COMP 2025 0.17 (5/6) cvc5 cvc5 sat ✅ 0.33675 0.22109
SMTInterpol SMTInterpol unknown ❌ 0.47013 0.46402
SMT-RAT SMT-RAT sat ✅ 0.29677 0.17772
Yices2 Yices2 sat ✅ 0.36573 0.23524
Z3alpha Z3-alpha sat ✅ 0.66451 0.74907
Z3 Z3-alpha-base sat ✅ 0.32017 0.20176
z3siri-base sat ✅ 0.32609 0.20753