Benchmark

non-incremental/QF_NRA/20200911-Pine/1599121977409531000.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)

 Input ranges:
   u in [0.0,0.0]
   v in [2.0,3.0]

 Invariant:
   -0.03*u + 0.02*v + 1.0*u^2 + 0.09*v^2 <= 0.89
 and
   u in [-1.0,1.0]
   v in [-3.2,3.0]

 Query: Loop and Invariant and not Invariant'
Benchmark
Size1806
Compressed Size897
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 1798
Compressed Size910
Max. Term Depth15
Asserts 1
Declared Functions0
Declared Constants4
Declared Sorts 0
Defined Functions0
Defined Recursive Functions 0
Defined Sorts0
Constants0
Declared Datatypes0

Symbols

not1 and6 =2 let8
/14 +8 -8 *16
<=4 >=6

Evaluations

Evaluation Rating Solver Variant Result Wallclock CPU Time
SMT-COMP 2021 0.60 (4/10) CVC4 CVC4-sq-final_default unknown ❌ 35.44970 35.45110
cvc5 cvc5-fixed_default sat ✅ 1.00927 1.00985
Par4 Par4-wrapped-sq_default sat ✅ 0.05334 0.00615
UltimateEliminator UltimateEliminator+MathSAT-5.6.6_default unknown ❌ 1200.04000 1203.71000
Vampire vampire_smt_4.6-fixed_vampire_smtcomp unknown ❌ 1200.04000 4650.30000
YicesQS yices-QS-2021-06-13under10_default sat ✅ 0.04447 0.04450
Z3 z3-4.8.11_default sat ✅ 0.02805 0.02814
z3-4.8.8_default sat ✅ 0.04393 0.04394
SMT-COMP 2022 0.11 (8/9) cvc5 cvc5-default-2022-07-02-b15e116-wrapped_sq sat ✅ 0.04281 0.04337
MathSAT MathSAT-5.6.8_default unknown ❌ 1200.04000 1199.94000
NRA-LS NRA-LS-FINAL_default sat ✅ 0.13815 0.13821
Par4 Par4-wrapped-sq_default sat ✅ 0.04318 0.00784
SMT-RAT SMT-RAT-MCSAT_default sat ✅ 0.01621 0.01621
veriT veriT+raSAT+Redlog_default sat ✅ 0.02536 0.02523
Yices2 Yices 2.6.2 for SMTCOMP 2021_default sat ✅ 0.01935 0.01929
Z3 z3-4.8.17_default sat ✅ 0.02126 0.02307
Z3++ z3++0715_default sat ✅ 0.28661 0.28668
SMT-COMP 2024 0.20 (4/5) cvc5 cvc5 sat ✅ 0.23040 0.13053
SMTInterpol SMTInterpol unknown ❌ 0.41805 0.43549
SMT-RAT SMT-RAT sat ✅ 0.25179 0.15132
Yices2 Yices2 sat ✅ 0.22382 0.12400
Z3alpha Z3-alpha sat ✅ 0.29438 0.19452
SMT-COMP 2025 0.17 (5/6) cvc5 cvc5 sat ✅ 0.28816 0.16734
SMTInterpol SMTInterpol unknown ❌ 0.42669 0.40575
SMT-RAT SMT-RAT sat ✅ 0.27399 0.15057
Yices2 Yices2 sat ✅ 0.32227 0.19417
Z3alpha Z3-alpha sat ✅ 0.56636 0.45536
Z3 Z3-alpha-base sat ✅ 0.30604 0.18350
z3siri-base sat ✅ 0.29187 0.17248