Benchmark

non-incremental/FP/20200911-Pine/1599121863935976000.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:
   x1' := x1 + 0.01 * x2
   x2' := -0.01 * x1 + 0.99 * x2

 Input ranges:
   x1 in [0.0,1.0]
   x2 in [0.0,1.0]

 Invariant:
   -1.0*x1 + -0.56*x2 + 0.91*x1^2 + 0.49*x1*x2 + 0.94*x2^2 <= 0.88
 and
   x1 in [-0.6,1.7]
   x2 in [-1.0,1.0]

 Query: Loop and Invariant and not Invariant'
Benchmark
Size3957
Compressed Size1206
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 None
Size 3949
Compressed Size1224
Max. Term Depth30
Asserts 1
Declared Functions0
Declared Constants4
Declared Sorts 0
Defined Functions0
Defined Recursive Functions 0
Defined Sorts0
Constants0
Declared Datatypes0

Symbols

not1 and6 let26 fp23
fp.add10 fp.mul19 fp.neg1 fp.leq10
fp.eq2 roundNearestTiesToEven29

Evaluations

Evaluation Rating Solver Variant Result Wallclock CPU Time
SMT-COMP 2022 1.00 (0/4) Bitwuzla Bitwuzla-wrapped_default unknown ❌ 1200.01000 1199.75000
cvc5 cvc5_default unknown ❌ 1200.09000 1198.82000
cvc5-default-2022-07-02-b15e116-wrapped_sq unknown ❌ 1200.02000 1197.60000
UltimateEliminator UltimateEliminator+MathSAT-5.6.7-wrapped_default unknown ❌ 6.83640 4.24010
Z3 z3-4.8.17_default unknown ❌ 1200.02000 1199.01000
SMT-COMP 2023 1.00 (0/3) Bitwuzla Bitwuzla-fixed_default unknown ❌ 1200.02000 1199.81000
cvc5 cvc5-default-2023-05-16-ea045f305_sq unknown ❌ 1200.04000 1197.04000
UltimateEliminator UltimateEliminator+MathSAT-5.6.9_default unknown ❌ 6.81153 4.28421
SMT-COMP 2024 1.00 (0/2) Bitwuzla Bitwuzla unknown ❌ 1201.25187 1200.68406
cvc5 cvc5 unknown ❌ 1201.73884 1201.06271