Benchmark

non-incremental/QF_NRA/20200911-Pine/1599121903843386000.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 + -0.02*v + 1.0*u^2 + 0.04*u*v + 0.11*v^2 <= 1.23
 and
   u in [-1.1,1.2]
   v in [-3.3,3.4]

 Query: Loop and Invariant and not Invariant'
Benchmark
Size2038
Compressed Size979
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 2030
Compressed Size989
Max. Term Depth16
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
/24 +11 -11 *26
<=4 >=6

Evaluations

Evaluation Rating Solver Variant Result Wallclock CPU Time
SMT-COMP 2022 0.33 (6/9) cvc5 cvc5-default-2022-07-02-b15e116-wrapped_sq sat ✅ 985.11700 982.70100
MathSAT MathSAT-5.6.8_default unknown ❌ 1200.05000 1199.91000
NRA-LS NRA-LS-FINAL_default unknown ❌ 1170.06000 1169.94000
Par4 Par4-wrapped-sq_default sat ✅ 0.16582 0.00753
SMT-RAT SMT-RAT-MCSAT_default sat ✅ 5.48135 5.48111
veriT veriT+raSAT+Redlog_default unknown ❌ 0.02369 0.01528
Yices2 Yices 2.6.2 for SMTCOMP 2021_default sat ✅ 0.13774 0.13766
Z3 z3-4.8.17_default sat ✅ 0.13159 0.13348
Z3++ z3++0715_default sat ✅ 0.40986 0.40992
SMT-COMP 2023 0.29 (5/7) cvc5 cvc5-default-2023-05-16-ea045f305_sq unknown ❌ 1200.02000 1199.62000
NRA-LS cvc5-NRA-LS-sq_default unknown ❌ 1170.06000 1170.01000
Par4 Par4-wrapped-sq_default sat ✅ 0.11160 0.00631
SMT-RAT SMT-RAT-MCSAT_default sat ✅ 1.31439 1.31422
Yices2 Yices 2 for SMTCOMP 2023_default sat ✅ 0.07794 0.07791
Z3alpha z3alpha_default sat ✅ 0.15018 0.15042
Z3++ z3++0715_default sat ✅ 0.41069 0.41077
Z3++_sq_0526_default sat ✅ 0.41465 0.41473