remove outdated parts in highlevel counterexamplse

src/storm/counterexamples/SMTMinimalLabelSetGenerator.h

@@ -1162,112 +1162,6 @@ namespace storm {
                 return relaxingVariable;
             }
             
-            /*!
-             * Asserts that the input vector encodes a decimal smaller or equal to one.
-             *
-             * @param context The Z3 context in which to build the expressions.
-             * @param solver The solver to use for the satisfiability evaluation.
-             * @param input The binary encoded input number.
-             */
-            static void assertLessOrEqualOne(z3::context& context, z3::solver& solver, std::vector<z3::expr> input) {
-                std::transform(input.begin(), input.end(), input.begin(), [](z3::expr e) -> z3::expr { return !e; });
-                assertConjunction(context, solver, input);
-            }
-            
-            /*!
-             * Asserts that at most one of given literals may be true at any time.
-             *
-             * @param context The Z3 context in which to build the expressions.
-             * @param solver The solver to use for the satisfiability evaluation.
-             * @param blockingVariables A vector of variables out of which only one may be true.
-             */
-            static void assertAtMostOne(z3::context& context, z3::solver& solver, std::vector<z3::expr> const& literals) {
-                std::vector<z3::expr> counter = createCounterCircuit(context, literals);
-                assertLessOrEqualOne(context, solver, counter);
-            }
-            
-            /*!
-             * Performs one Fu-Malik-Maxsat step.
-             *
-             * @param context The Z3 context in which to build the expressions.
-             * @param solver The solver to use for the satisfiability evaluation.
-             * @param variableInformation A structure with information about the variables for the labels.
-             * @return True iff the constraint system was satisfiable.
-             */
-            static bool fuMalikMaxsatStep(z3::context& context, z3::solver& solver, std::vector<z3::expr>& auxiliaryVariables, std::vector<z3::expr>& softConstraints, uint_fast64_t& nextFreeVariableIndex) {
-                z3::expr_vector assumptions(context);
-                for (auto const& auxiliaryVariable : auxiliaryVariables) {
-                    assumptions.push_back(!auxiliaryVariable);
-                }
-                
-                // Check whether the assumptions are satisfiable.
-                STORM_LOG_DEBUG("Invoking satisfiability checking.");
-                z3::check_result result = solver.check(assumptions);
-                STORM_LOG_DEBUG("Done invoking satisfiability checking.");
-                
-                if (result == z3::sat) {
-                    return true;
-                } else {
-                    STORM_LOG_DEBUG("Computing unsat core.");
-                    z3::expr_vector unsatCore = solver.unsat_core();
-                    STORM_LOG_DEBUG("Computed unsat core.");
-                    
-                    std::vector<z3::expr> blockingVariables;
-                    blockingVariables.reserve(unsatCore.size());
-                    
-                    // Create stringstream to build expression names.
-                    std::stringstream variableName;
-                    
-                    for (uint_fast64_t softConstraintIndex = 0; softConstraintIndex < softConstraints.size(); ++softConstraintIndex) {
-                        for (uint_fast64_t coreIndex = 0; coreIndex < unsatCore.size(); ++coreIndex) {
-                            bool isContainedInCore = false;
-                            if (softConstraints[softConstraintIndex] == unsatCore[coreIndex]) {
-                                isContainedInCore = true;
-                            }
-                            
-                            if (isContainedInCore) {
-                                variableName.clear();
-                                variableName.str("");
-                                variableName << "b" << nextFreeVariableIndex;
-                                blockingVariables.push_back(context.bool_const(variableName.str().c_str()));
-                                
-                                variableName.clear();
-                                variableName.str("");
-                                variableName << "a" << nextFreeVariableIndex;
-                                ++nextFreeVariableIndex;
-                                auxiliaryVariables[softConstraintIndex] = context.bool_const(variableName.str().c_str());
-                                
-                                softConstraints[softConstraintIndex] = softConstraints[softConstraintIndex] || blockingVariables.back();
-                                
-                                solver.add(softConstraints[softConstraintIndex] || auxiliaryVariables[softConstraintIndex]);
-                            }
-                        }
-                    }
-                    
-                    assertAtMostOne(context, solver, blockingVariables);
-                }
-                
-                return false;
-            }
-            
-            /*!
-             * Rules out the given command set for the given solver.
-             *
-             * @param context The Z3 context in which to build the expressions.
-             * @param solver The solver to use for the satisfiability evaluation.
-             * @param commandSet The command set to rule out as a solution.
-             * @param variableInformation A structure with information about the variables for the labels.
-             */
-            static void ruleOutSolution(z3::context& context, z3::solver& solver, boost::container::flat_set<uint_fast64_t> const& commandSet, VariableInformation const& variableInformation) {
-                z3::expr blockSolutionExpression = context.bool_val(false);
-                for (auto labelIndexPair : variableInformation.labelToIndexMap) {
-                    if (commandSet.find(labelIndexPair.first) != commandSet.end()) {
-                        blockSolutionExpression = blockSolutionExpression || variableInformation.labelVariables[labelIndexPair.second];
-                    }
-                }
-                
-                solver.add(blockSolutionExpression);
-            }
 
             /*!
              * Determines the set of labels that was chosen by the given model.