code: def test_problem():
      from sympy.logic.algorithms.lra_theory import LRASolver
      from sympy.assumptions.cnf import CNF, EncodedCNF
  
      cons = [-2 * x - 2 * y >= 7, -9 * y >= 7, -6 * y >= 5]
      cnf = CNF().from_prop(And(*cons))
      enc = EncodedCNF()
      enc.from_cnf(cnf)
      lra, _ = LRASolver.from_encoded_cnf(enc)
      lra.assert_lit(1)
      lra.assert_lit(2)
      lra.assert_lit(3)
      is_sat, assignment = lra.check()
      assert is_sat is True
  
imports: from sympy.core.numbers import Rational, I, oo
  from sympy.core.relational import Eq
  from sympy.core.symbol import symbols
  from sympy.core.singleton import S
  from sympy.matrices.dense import Matrix
  from sympy.matrices.dense import randMatrix
  from sympy.assumptions.ask import Q
  from sympy.logic.boolalg import And
  from sympy.abc import x, y, z
  from sympy.assumptions.cnf import CNF, EncodedCNF
  from sympy.functions.elementary.trigonometric import cos
  from sympy.external import import_module
  from sympy.logic.algorithms.lra_theory import LRASolver, UnhandledInput, LRARational, HANDLE_NEGATION
  from sympy.core.random import random, choice, randint
  from sympy.core.sympify import sympify
  from sympy.ntheory.generate import randprime
  from sympy.core.relational import StrictLessThan, StrictGreaterThan
  import itertools
  from sympy.testing.pytest import raises, XFAIL, skip
label_desc: Use image node_id 6 for calling a global function with example usage: test_problem() without return types