Benchmark

non-incremental/QF_NRA/20200911-Pine/1599121905539672000.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 + -0.01*v + 1.0*u^2 + 0.03*u*v + 0.11*v^2 <= 1.36
 and
   u in [-1.1,1.3]
   v in [-3.5,3.5]

 Query: Loop and Invariant and not Invariant'
Benchmark
Size2063
Compressed Size989
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 Size998
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 ❌ 1200.07000 1200.10000
cvc5 cvc5-fixed_default unknown ❌ 1200.11000 1200.01000
Par4 Par4-wrapped-sq_default sat ✅ 0.02192 0.00703
UltimateEliminator UltimateEliminator+MathSAT-5.6.6_default unknown ❌ 1200.04000 1203.60000
Vampire vampire_smt_4.6-fixed_vampire_smtcomp unknown ❌ 1200.06000 4649.14000
YicesQS yices-QS-2021-06-13under10_default sat ✅ 0.24564 0.24569
Z3 z3-4.8.11_default sat ✅ 0.02144 0.02151
z3-4.8.8_default sat ✅ 0.03707 0.03711
SMT-COMP 2022 0.22 (7/9) cvc5 cvc5-default-2022-07-02-b15e116-wrapped_sq sat ✅ 0.15421 0.15306
MathSAT MathSAT-5.6.8_default unknown ❌ 1200.02000 1199.80000
NRA-LS NRA-LS-FINAL_default sat ✅ 0.11447 0.11453
Par4 Par4-wrapped-sq_default sat ✅ 0.04481 0.00766
SMT-RAT SMT-RAT-MCSAT_default sat ✅ 2.54542 2.54550
veriT veriT+raSAT+Redlog_default unknown ❌ 0.01550 0.00835
Yices2 Yices 2.6.2 for SMTCOMP 2021_default sat ✅ 0.13232 0.13107
Z3 z3-4.8.17_default sat ✅ 0.02199 0.02386
Z3++ z3++0715_default sat ✅ 0.34391 0.34401
SMT-COMP 2023 cvc5 cvc5-default-2023-05-16-ea045f305_sq sat ✅ 0.05084 0.05144
NRA-LS cvc5-NRA-LS-sq_default sat ✅ 0.11583 0.11586
Par4 Par4-wrapped-sq_default sat ✅ 0.02259 0.00624
SMT-RAT SMT-RAT-MCSAT_default sat ✅ 0.54091 0.54084
Yices2 Yices 2 for SMTCOMP 2023_default sat ✅ 0.04552 0.04532
Z3alpha z3alpha_default sat ✅ 0.02742 0.02762
Z3++ z3++0715_default sat ✅ 0.33543 0.33546
Z3++_sq_0526_default sat ✅ 0.34588 0.34580
SMT-COMP 2024 0.20 (4/5) cvc5 cvc5 sat ✅ 0.23966 0.14035
SMTInterpol SMTInterpol unknown ❌ 0.41753 0.43567
SMT-RAT SMT-RAT sat ✅ 1.02293 0.92312
Yices2 Yices2 sat ✅ 0.25260 0.15277
Z3alpha Z3-alpha sat ✅ 16.38377 16.28191
SMT-COMP 2025 0.17 (5/6) cvc5 cvc5 sat ✅ 0.30678 0.18288
SMTInterpol SMTInterpol unknown ❌ 0.46120 0.44949
SMT-RAT SMT-RAT sat ✅ 0.33424 0.21348
Yices2 Yices2 sat ✅ 0.29169 0.17253
Z3alpha Z3-alpha sat ✅ 0.66077 0.73640
Z3 Z3-alpha-base sat ✅ 0.32903 0.20580
z3siri-base sat ✅ 0.33750 0.20987