Benchmark

non-incremental/QF_NRA/20200911-Pine/1599121904575726000.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 + -0.03*v + 1.0*u^2 + 0.05*u*v + 0.11*v^2 <= 1.29
 and
   u in [-1.1,1.3]
   v in [-3.4,3.4]

 Query: Loop and Invariant and not Invariant'
Benchmark
Size2067
Compressed Size991
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 2059
Compressed Size999
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 ❌ 1200.02000 1199.93000
cvc5 cvc5-fixed_default unknown ❌ 1200.09000 1200.12000
Par4 Par4-wrapped-sq_default sat ✅ 0.18565 0.00625
UltimateEliminator UltimateEliminator+MathSAT-5.6.6_default unknown ❌ 1200.11000 1203.86000
Vampire vampire_smt_4.6-fixed_vampire_smtcomp unknown ❌ 1200.11000 4648.50000
YicesQS yices-QS-2021-06-13under10_default sat ✅ 0.24195 0.24092
Z3 z3-4.8.11_default sat ✅ 0.13371 0.13382
z3-4.8.8_default sat ✅ 0.14579 0.14579
SMT-COMP 2022 0.33 (6/9) cvc5 cvc5-default-2022-07-02-b15e116-wrapped_sq sat ✅ 974.23300 972.59800
MathSAT MathSAT-5.6.8_default unknown ❌ 1200.05000 1199.93000
NRA-LS NRA-LS-FINAL_default unknown ❌ 1171.13000 1170.12000
Par4 Par4-wrapped-sq_default sat ✅ 0.26425 0.00828
SMT-RAT SMT-RAT-MCSAT_default sat ✅ 1.08457 2.07370
veriT veriT+raSAT+Redlog_default unknown ❌ 0.01539 0.00821
Yices2 Yices 2.6.2 for SMTCOMP 2021_default sat ✅ 0.14428 0.14421
Z3 z3-4.8.17_default sat ✅ 0.13376 0.13564
Z3++ z3++0715_default sat ✅ 0.34688 0.34693
SMT-COMP 2025 0.17 (5/6) cvc5 cvc5 sat ✅ 10.26313 10.13114
SMTInterpol SMTInterpol unknown ❌ 0.46953 0.46177
SMT-RAT SMT-RAT sat ✅ 0.32196 0.19990
Yices2 Yices2 sat ✅ 0.36488 0.23913
Z3alpha Z3-alpha sat ✅ 0.66005 0.73252
Z3 Z3-alpha-base sat ✅ 0.32305 0.20514
z3siri-base sat ✅ 0.30048 0.18389