Benchmark

non-incremental/QF_NRA/20200911-Pine/1599121901508910000.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:
   -0.14*u + -0.02*v + 1.0*u^2 + 0.03*u*v + 0.1*v^2 <= 1.0
 and
   u in [-1.0,1.1]
   v in [-3.1,3.2]

 Query: Loop and Invariant and not Invariant'
Benchmark
Size2015
Compressed Size978
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 2007
Compressed Size992
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
/20 +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 ❌ 1200.03000 1198.41000
cvc5 cvc5-fixed_default unknown ❌ 1200.01000 1199.90000
Par4 Par4-wrapped-sq_default sat ✅ 0.04147 0.00626
UltimateEliminator UltimateEliminator+MathSAT-5.6.6_default unknown ❌ 1200.05000 1203.64000
Vampire vampire_smt_4.6-fixed_vampire_smtcomp unknown ❌ 1200.04000 4654.00000
YicesQS yices-QS-2021-06-13under10_default sat ✅ 0.12613 0.12602
Z3 z3-4.8.11_default sat ✅ 0.03832 0.03844
z3-4.8.8_default sat ✅ 0.05328 0.05331
SMT-COMP 2022 0.22 (7/9) cvc5 cvc5-default-2022-07-02-b15e116-wrapped_sq sat ✅ 0.24492 0.24552
MathSAT MathSAT-5.6.8_default unknown ❌ 1200.03000 1199.97000
NRA-LS NRA-LS-FINAL_default sat ✅ 1.04822 1.04454
Par4 Par4-wrapped-sq_default sat ✅ 0.03373 0.00742
SMT-RAT SMT-RAT-MCSAT_default sat ✅ 1.55394 1.55384
veriT veriT+raSAT+Redlog_default unknown ❌ 0.02765 0.00858
Yices2 Yices 2.6.2 for SMTCOMP 2021_default sat ✅ 0.09805 0.09800
Z3 z3-4.8.17_default sat ✅ 0.03854 0.04054
Z3++ z3++0715_default sat ✅ 0.30636 0.30646
SMT-COMP 2023 0.14 (6/7) cvc5 cvc5-default-2023-05-16-ea045f305_sq sat ✅ 0.13237 0.13272
NRA-LS cvc5-NRA-LS-sq_default unknown ❌ 1170.06000 1170.01000
Par4 Par4-wrapped-sq_default sat ✅ 0.03340 0.00666
SMT-RAT SMT-RAT-MCSAT_default sat ✅ 0.78310 0.78311
Yices2 Yices 2 for SMTCOMP 2023_default sat ✅ 0.08613 0.08607
Z3alpha z3alpha_default sat ✅ 0.04236 0.04255
Z3++ z3++0715_default sat ✅ 0.30496 0.30503
Z3++_sq_0526_default sat ✅ 0.30960 0.30971
SMT-COMP 2025 0.17 (5/6) cvc5 cvc5 sat ✅ 0.34268 0.21601
SMTInterpol SMTInterpol unknown ❌ 0.45814 0.44859
SMT-RAT SMT-RAT sat ✅ 0.33864 0.21834
Yices2 Yices2 sat ✅ 0.37432 0.24710
Z3alpha Z3-alpha sat ✅ 0.60568 0.53836
Z3 Z3-alpha-base sat ✅ 0.28682 0.16743
z3siri-base sat ✅ 0.31425 0.18510