Benchmark

non-incremental/QF_NRA/20200911-Pine/1599121901788493000.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:
   -0.16*u + -0.03*v + 1.0*u^2 + 0.04*u*v + 0.11*v^2 <= 1.08
 and
   u in [-1.0,1.1]
   v in [-3.1,3.2]

 Query: Loop and Invariant and not Invariant'
Benchmark
Size2043
Compressed Size990
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 2035
Compressed Size1000
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
/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 ❌ 1200.08000 1199.20000
cvc5 cvc5-fixed_default unknown ❌ 1200.03000 1199.95000
Par4 Par4-wrapped-sq_default sat ✅ 0.06337 0.00636
UltimateEliminator UltimateEliminator+MathSAT-5.6.6_default unknown ❌ 1200.05000 1203.59000
Vampire vampire_smt_4.6-fixed_vampire_smtcomp unknown ❌ 1200.05000 4688.71000
YicesQS yices-QS-2021-06-13under10_default sat ✅ 0.31271 0.31274
Z3 z3-4.8.11_default sat ✅ 0.08035 0.08041
z3-4.8.8_default sat ✅ 0.09781 0.09659
SMT-COMP 2022 0.33 (6/9) cvc5 cvc5-default-2022-07-02-b15e116-wrapped_sq sat ✅ 600.27000 600.23500
MathSAT MathSAT-5.6.8_default unknown ❌ 1200.02000 1200.01000
NRA-LS NRA-LS-FINAL_default unknown ❌ 1170.05000 1169.94000
Par4 Par4-wrapped-sq_default sat ✅ 0.06834 0.00638
SMT-RAT SMT-RAT-MCSAT_default sat ✅ 0.11146 0.11142
veriT veriT+raSAT+Redlog_default unknown ❌ 0.01225 0.00821
Yices2 Yices 2.6.2 for SMTCOMP 2021_default sat ✅ 0.18680 0.18673
Z3 z3-4.8.17_default sat ✅ 0.08189 0.08377
Z3++ z3++0715_default sat ✅ 0.42076 0.42081
SMT-COMP 2023 cvc5 cvc5-default-2023-05-16-ea045f305_sq sat ✅ 900.64500 900.15900
NRA-LS cvc5-NRA-LS-sq_default sat ✅ 16.71180 16.71150
Par4 Par4-wrapped-sq_default sat ✅ 0.06620 0.00629
SMT-RAT SMT-RAT-MCSAT_default sat ✅ 0.64749 0.64744
Yices2 Yices 2 for SMTCOMP 2023_default sat ✅ 0.07282 0.07275
Z3alpha z3alpha_default sat ✅ 0.08959 0.08975
Z3++ z3++0715_default sat ✅ 0.41888 0.41884
Z3++_sq_0526_default sat ✅ 0.42450 0.42458
SMT-COMP 2024 0.20 (4/5) cvc5 cvc5 sat ✅ 900.22909 900.03279
SMTInterpol SMTInterpol unknown ❌ 0.41891 0.43826
SMT-RAT SMT-RAT sat ✅ 0.27884 0.17927
Yices2 Yices2 sat ✅ 0.30788 0.20780
Z3alpha Z3-alpha sat ✅ 0.26870 0.16934