Benchmark

non-incremental/QF_NRA/20220314-Uncu/Rational_Function_Proof_Calls_With_Disjunctive_Denominator_Simplifications/DDC_ProveIneq_ISSAC05_Bessack_4_m1.smt2

Translated to SMT-Lib by Maple SMTLIB package.

Application: 
CAD calls of SUMCracker-ProveInequality to prove Bessack Inequality with (a,b)=(4,-1) in
S. Gerhold and M. Kauers, A Procedure for Proving Special Function Inequalities Involving a Discrete Parameter.
ISSAC '05: Proceedings of the 2005 international symposium on Symbolic and algebraic computationJuly 2005 Pages 156-162.
(https://dl.acm.org/doi/10.1145/1073884.1073907)

All denominators in the original CAD call got cleared by introducing disjunctions with sign conditions:
a/b == c/d --> a d==b c && b<>0 && d<>0
a/b >= c  --> a >=b c && b >0  or ( a <= b c && b < 0)
Benchmark
Size1545
Compressed Size828
License Creative Commons Attribution 4.0 International (CC-BY-4.0)
Categoryindustrial
First Occurrence2022-08-10
Generated ByAli K. Uncu, Matthew England, and James H. Davenport
Generated On2022-01-08 00:00:00
GeneratorSUMCracker-ProveInequality function by Manuel Kauers ("https://www3.risc.jku.at/research/combinat/software/ergosum/RISC/SumCracker.html")
Dolmen OK1
strict Dolmen OK1
check-sat calls1
Query 1
Status unsat
Inferred Status unsat
Size 1491
Compressed Size817
Max. Term Depth6
Asserts 1
Declared Functions0
Declared Constants4
Declared Sorts 0
Defined Functions0
Defined Recursive Functions 0
Defined Sorts0
Constants0
Declared Datatypes0

Symbols

or1 and3 +13 *9
<8 <=1

Evaluations

Evaluation Rating Solver Variant Result Wallclock CPU Time
SMT-COMP 2023 cvc5 cvc5-default-2023-05-16-ea045f305_sq unsat ✅ 0.02569 0.02618
NRA-LS cvc5-NRA-LS-sq_default unsat ✅ 0.03036 0.03044
Par4 Par4-wrapped-sq_default unsat ✅ 0.01939 0.00643
SMT-RAT SMT-RAT-MCSAT_default unsat ✅ 0.01444 0.01442
Yices2 Yices 2 for SMTCOMP 2023_default unsat ✅ 0.01111 0.01021
Z3alpha z3alpha_default unsat ✅ 0.02225 0.02240
Z3++ z3++0715_default unsat ✅ 0.27834 0.27838
Z3++_sq_0526_default unsat ✅ 0.28588 0.28595