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tempest/test/functional/storage/CuddDdTest.cpp

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#include "gtest/gtest.h"
#include "storm-config.h"
#include "src/exceptions/InvalidArgumentException.h"
#include "src/storage/dd/CuddDdManager.h"
#include "src/storage/dd/CuddDd.h"
#include "src/storage/dd/CuddOdd.h"
#include "src/storage/dd/DdMetaVariable.h"
TEST(CuddDdManager, Constants) {
std::shared_ptr<storm::dd::DdManager<storm::dd::DdType::CUDD>> manager(new storm::dd::DdManager<storm::dd::DdType::CUDD>());
storm::dd::Dd<storm::dd::DdType::CUDD> zero;
ASSERT_NO_THROW(zero = manager->getZero());
EXPECT_EQ(0, zero.getNonZeroCount());
EXPECT_EQ(1, zero.getLeafCount());
EXPECT_EQ(1, zero.getNodeCount());
EXPECT_EQ(0, zero.getMin());
EXPECT_EQ(0, zero.getMax());
storm::dd::Dd<storm::dd::DdType::CUDD> one;
ASSERT_NO_THROW(one = manager->getOne());
EXPECT_EQ(1, one.getNonZeroCount());
EXPECT_EQ(1, one.getLeafCount());
EXPECT_EQ(1, one.getNodeCount());
EXPECT_EQ(1, one.getMin());
EXPECT_EQ(1, one.getMax());
storm::dd::Dd<storm::dd::DdType::CUDD> two;
ASSERT_NO_THROW(two = manager->getConstant(2));
EXPECT_EQ(1, two.getNonZeroCount());
EXPECT_EQ(1, two.getLeafCount());
EXPECT_EQ(1, two.getNodeCount());
EXPECT_EQ(2, two.getMin());
EXPECT_EQ(2, two.getMax());
}
TEST(CuddDdManager, AddGetMetaVariableTest) {
std::shared_ptr<storm::dd::DdManager<storm::dd::DdType::CUDD>> manager(new storm::dd::DdManager<storm::dd::DdType::CUDD>());
ASSERT_NO_THROW(manager->addMetaVariable("x", 1, 9));
EXPECT_EQ(2, manager->getNumberOfMetaVariables());
ASSERT_THROW(manager->addMetaVariable("x", 0, 3), storm::exceptions::InvalidArgumentException);
ASSERT_NO_THROW(manager->addMetaVariable("y", 0, 3));
EXPECT_EQ(4, manager->getNumberOfMetaVariables());
EXPECT_TRUE(manager->hasMetaVariable("x'"));
EXPECT_TRUE(manager->hasMetaVariable("y'"));
std::set<std::string> metaVariableSet = {"x", "x'", "y", "y'"};
EXPECT_EQ(metaVariableSet, manager->getAllMetaVariableNames());
}
TEST(CuddDdManager, EncodingTest) {
std::shared_ptr<storm::dd::DdManager<storm::dd::DdType::CUDD>> manager(new storm::dd::DdManager<storm::dd::DdType::CUDD>());
manager->addMetaVariable("x", 1, 9);
storm::dd::Dd<storm::dd::DdType::CUDD> encoding;
ASSERT_THROW(encoding = manager->getEncoding("x", 0), storm::exceptions::InvalidArgumentException);
ASSERT_THROW(encoding = manager->getEncoding("x", 10), storm::exceptions::InvalidArgumentException);
ASSERT_NO_THROW(encoding = manager->getEncoding("x", 4));
EXPECT_EQ(1, encoding.getNonZeroCount());
EXPECT_EQ(6, encoding.getNodeCount());
EXPECT_EQ(2, encoding.getLeafCount());
}
TEST(CuddDdManager, RangeTest) {
std::shared_ptr<storm::dd::DdManager<storm::dd::DdType::CUDD>> manager(new storm::dd::DdManager<storm::dd::DdType::CUDD>());
ASSERT_NO_THROW(manager->addMetaVariable("x", 1, 9));
storm::dd::Dd<storm::dd::DdType::CUDD> range;
ASSERT_THROW(range = manager->getRange("y"), storm::exceptions::InvalidArgumentException);
ASSERT_NO_THROW(range = manager->getRange("x"));
EXPECT_EQ(9, range.getNonZeroCount());
EXPECT_EQ(2, range.getLeafCount());
EXPECT_EQ(6, range.getNodeCount());
}
TEST(CuddDdManager, IdentityTest) {
std::shared_ptr<storm::dd::DdManager<storm::dd::DdType::CUDD>> manager(new storm::dd::DdManager<storm::dd::DdType::CUDD>());
manager->addMetaVariable("x", 1, 9);
storm::dd::Dd<storm::dd::DdType::CUDD> range;
ASSERT_THROW(range = manager->getIdentity("y"), storm::exceptions::InvalidArgumentException);
ASSERT_NO_THROW(range = manager->getIdentity("x"));
EXPECT_EQ(9, range.getNonZeroCount());
EXPECT_EQ(10, range.getLeafCount());
EXPECT_EQ(21, range.getNodeCount());
}
TEST(CuddDd, OperatorTest) {
std::shared_ptr<storm::dd::DdManager<storm::dd::DdType::CUDD>> manager(new storm::dd::DdManager<storm::dd::DdType::CUDD>());
manager->addMetaVariable("x", 1, 9);
EXPECT_TRUE(manager->getZero() == manager->getZero());
EXPECT_FALSE(manager->getZero() == manager->getOne());
EXPECT_FALSE(manager->getZero() != manager->getZero());
EXPECT_TRUE(manager->getZero() != manager->getOne());
storm::dd::Dd<storm::dd::DdType::CUDD> dd1 = manager->getOne();
storm::dd::Dd<storm::dd::DdType::CUDD> dd2 = manager->getOne();
storm::dd::Dd<storm::dd::DdType::CUDD> dd3 = dd1 + dd2;
EXPECT_TRUE(dd3 == manager->getConstant(2));
dd3 += manager->getZero();
EXPECT_TRUE(dd3 == manager->getConstant(2));
dd3 = dd1 && manager->getConstant(3);
EXPECT_TRUE(dd1 == manager->getOne());
dd3 = dd1 * manager->getConstant(3);
EXPECT_TRUE(dd3 == manager->getConstant(3));
dd3 *= manager->getConstant(2);
EXPECT_TRUE(dd3 == manager->getConstant(6));
dd3 = dd1 - dd2;
EXPECT_TRUE(dd3 == manager->getZero());
dd3 -= manager->getConstant(-2);
EXPECT_TRUE(dd3 == manager->getConstant(2));
dd3 /= manager->getConstant(2);
EXPECT_TRUE(dd3 == manager->getOne());
dd3.complement();
EXPECT_TRUE(dd3 == manager->getZero());
dd1 = !dd3;
EXPECT_TRUE(dd1 == manager->getOne());
dd3 = dd1 || dd2;
EXPECT_TRUE(dd3 == manager->getOne());
dd1 = manager->getIdentity("x");
dd2 = manager->getConstant(5);
dd3 = dd1.equals(dd2);
EXPECT_EQ(1, dd3.getNonZeroCount());
storm::dd::Dd<storm::dd::DdType::CUDD> dd4 = dd1.notEquals(dd2);
EXPECT_TRUE(dd4 == !dd3);
dd3 = dd1.less(dd2);
EXPECT_EQ(11, dd3.getNonZeroCount());
dd3 = dd1.lessOrEqual(dd2);
EXPECT_EQ(12, dd3.getNonZeroCount());
dd3 = dd1.greater(dd2);
EXPECT_EQ(4, dd3.getNonZeroCount());
dd3 = dd1.greaterOrEqual(dd2);
EXPECT_EQ(5, dd3.getNonZeroCount());
dd3 = (manager->getEncoding("x", 2)).ite(dd2, dd1);
dd4 = dd3.less(dd2);
EXPECT_EQ(10, dd4.getNonZeroCount());
dd4 = dd3.minimum(dd1);
dd4 *= manager->getEncoding("x", 2);
dd4 = dd4.sumAbstract({"x"});
EXPECT_EQ(2, dd4.getValue());
dd4 = dd3.maximum(dd1);
dd4 *= manager->getEncoding("x", 2);
dd4 = dd4.sumAbstract({"x"});
EXPECT_EQ(5, dd4.getValue());
dd1 = manager->getConstant(0.01);
dd2 = manager->getConstant(0.01 + 1e-6);
EXPECT_TRUE(dd1.equalModuloPrecision(dd2, 1e-6, false));
EXPECT_FALSE(dd1.equalModuloPrecision(dd2, 1e-6));
}
TEST(CuddDd, AbstractionTest) {
std::shared_ptr<storm::dd::DdManager<storm::dd::DdType::CUDD>> manager(new storm::dd::DdManager<storm::dd::DdType::CUDD>());
manager->addMetaVariable("x", 1, 9);
storm::dd::Dd<storm::dd::DdType::CUDD> dd1;
storm::dd::Dd<storm::dd::DdType::CUDD> dd2;
storm::dd::Dd<storm::dd::DdType::CUDD> dd3;
dd1 = manager->getIdentity("x");
dd2 = manager->getConstant(5);
dd3 = dd1.equals(dd2);
EXPECT_EQ(1, dd3.getNonZeroCount());
ASSERT_THROW(dd3 = dd3.existsAbstract({"x'"}), storm::exceptions::InvalidArgumentException);
ASSERT_NO_THROW(dd3 = dd3.existsAbstract({"x"}));
EXPECT_EQ(1, dd3.getNonZeroCount());
EXPECT_EQ(1, dd3.getMax());
dd3 = dd1.equals(dd2);
dd3 *= manager->getConstant(3);
EXPECT_EQ(1, dd3.getNonZeroCount());
ASSERT_THROW(dd3 = dd3.existsAbstract({"x'"}), storm::exceptions::InvalidArgumentException);
ASSERT_NO_THROW(dd3 = dd3.existsAbstract({"x"}));
EXPECT_TRUE(dd3 == manager->getZero());
dd3 = dd1.equals(dd2);
dd3 *= manager->getConstant(3);
ASSERT_THROW(dd3 = dd3.sumAbstract({"x'"}), storm::exceptions::InvalidArgumentException);
ASSERT_NO_THROW(dd3 = dd3.sumAbstract({"x"}));
EXPECT_EQ(1, dd3.getNonZeroCount());
EXPECT_EQ(3, dd3.getMax());
dd3 = dd1.equals(dd2);
dd3 *= manager->getConstant(3);
ASSERT_THROW(dd3 = dd3.minAbstract({"x'"}), storm::exceptions::InvalidArgumentException);
ASSERT_NO_THROW(dd3 = dd3.minAbstract({"x"}));
EXPECT_EQ(0, dd3.getNonZeroCount());
EXPECT_EQ(0, dd3.getMax());
dd3 = dd1.equals(dd2);
dd3 *= manager->getConstant(3);
ASSERT_THROW(dd3 = dd3.maxAbstract({"x'"}), storm::exceptions::InvalidArgumentException);
ASSERT_NO_THROW(dd3 = dd3.maxAbstract({"x"}));
EXPECT_EQ(1, dd3.getNonZeroCount());
EXPECT_EQ(3, dd3.getMax());
}
TEST(CuddDd, SwapTest) {
std::shared_ptr<storm::dd::DdManager<storm::dd::DdType::CUDD>> manager(new storm::dd::DdManager<storm::dd::DdType::CUDD>());
manager->addMetaVariable("x", 1, 9);
manager->addMetaVariable("z", 2, 8);
storm::dd::Dd<storm::dd::DdType::CUDD> dd1;
storm::dd::Dd<storm::dd::DdType::CUDD> dd2;
dd1 = manager->getIdentity("x");
ASSERT_THROW(dd1.swapVariables({std::make_pair("x", "z")}), storm::exceptions::InvalidArgumentException);
ASSERT_NO_THROW(dd1.swapVariables({std::make_pair("x", "x'")}));
EXPECT_TRUE(dd1 == manager->getIdentity("x'"));
}
TEST(CuddDd, MultiplyMatrixTest) {
std::shared_ptr<storm::dd::DdManager<storm::dd::DdType::CUDD>> manager(new storm::dd::DdManager<storm::dd::DdType::CUDD>());
manager->addMetaVariable("x", 1, 9);
storm::dd::Dd<storm::dd::DdType::CUDD> dd1 = manager->getIdentity("x").equals(manager->getIdentity("x'"));
storm::dd::Dd<storm::dd::DdType::CUDD> dd2 = manager->getRange("x'");
storm::dd::Dd<storm::dd::DdType::CUDD> dd3;
dd1 *= manager->getConstant(2);
ASSERT_NO_THROW(dd3 = dd1.multiplyMatrix(dd2, {"x'"}));
ASSERT_NO_THROW(dd3.swapVariables({std::make_pair("x", "x'")}));
EXPECT_TRUE(dd3 == dd2 * manager->getConstant(2));
}
TEST(CuddDd, GetSetValueTest) {
std::shared_ptr<storm::dd::DdManager<storm::dd::DdType::CUDD>> manager(new storm::dd::DdManager<storm::dd::DdType::CUDD>());
manager->addMetaVariable("x", 1, 9);
storm::dd::Dd<storm::dd::DdType::CUDD> dd1 = manager->getOne();
ASSERT_NO_THROW(dd1.setValue("x", 4, 2));
EXPECT_EQ(2, dd1.getLeafCount());
std::map<std::string, int_fast64_t> metaVariableToValueMap;
metaVariableToValueMap.emplace("x", 1);
EXPECT_EQ(1, dd1.getValue(metaVariableToValueMap));
metaVariableToValueMap.clear();
metaVariableToValueMap.emplace("x", 4);
EXPECT_EQ(2, dd1.getValue(metaVariableToValueMap));
}
TEST(CuddDd, ForwardIteratorTest) {
std::shared_ptr<storm::dd::DdManager<storm::dd::DdType::CUDD>> manager(new storm::dd::DdManager<storm::dd::DdType::CUDD>());
manager->addMetaVariable("x", 1, 9);
manager->addMetaVariable("y", 0, 3);
storm::dd::Dd<storm::dd::DdType::CUDD> dd;
ASSERT_NO_THROW(dd = manager->getRange("x"));
storm::dd::DdForwardIterator<storm::dd::DdType::CUDD> it, ite;
ASSERT_NO_THROW(it = dd.begin());
ASSERT_NO_THROW(ite = dd.end());
std::pair<storm::expressions::SimpleValuation, double> valuationValuePair;
uint_fast64_t numberOfValuations = 0;
while (it != ite) {
ASSERT_NO_THROW(valuationValuePair = *it);
ASSERT_NO_THROW(++it);
++numberOfValuations;
}
EXPECT_EQ(9, numberOfValuations);
dd = manager->getRange("x");
dd = dd.ite(manager->getOne(), manager->getOne());
ASSERT_NO_THROW(it = dd.begin());
ASSERT_NO_THROW(ite = dd.end());
numberOfValuations = 0;
while (it != ite) {
ASSERT_NO_THROW(valuationValuePair = *it);
ASSERT_NO_THROW(++it);
++numberOfValuations;
}
EXPECT_EQ(16, numberOfValuations);
ASSERT_NO_THROW(it = dd.begin(false));
ASSERT_NO_THROW(ite = dd.end());
numberOfValuations = 0;
while (it != ite) {
ASSERT_NO_THROW(valuationValuePair = *it);
ASSERT_NO_THROW(++it);
++numberOfValuations;
}
EXPECT_EQ(1, numberOfValuations);
}
TEST(CuddDd, ToExpressionTest) {
std::shared_ptr<storm::dd::DdManager<storm::dd::DdType::CUDD>> manager(new storm::dd::DdManager<storm::dd::DdType::CUDD>());
manager->addMetaVariable("x", 1, 9);
storm::dd::Dd<storm::dd::DdType::CUDD> dd;
ASSERT_NO_THROW(dd = manager->getIdentity("x"));
storm::expressions::Expression ddAsExpression;
ASSERT_NO_THROW(ddAsExpression = dd.toExpression());
storm::expressions::SimpleValuation valuation;
for (std::size_t bit = 0; bit < manager->getMetaVariable("x").getNumberOfDdVariables(); ++bit) {
valuation.addBooleanIdentifier("x." + std::to_string(bit));
}
storm::dd::DdMetaVariable<storm::dd::DdType::CUDD> const& metaVariable = manager->getMetaVariable("x");
for (auto valuationValuePair : dd) {
for (std::size_t i = 0; i < metaVariable.getNumberOfDdVariables(); ++i) {
// Check if the i-th bit is set or not and modify the valuation accordingly.
if (((valuationValuePair.first.getIntegerValue("x") - metaVariable.getLow()) & (1ull << (metaVariable.getNumberOfDdVariables() - i - 1))) != 0) {
valuation.setBooleanValue("x." + std::to_string(i), true);
} else {
valuation.setBooleanValue("x." + std::to_string(i), false);
}
}
// At this point, the constructed valuation should make the expression obtained from the DD evaluate to the very
// same value as the current value obtained from the DD.
EXPECT_EQ(valuationValuePair.second, ddAsExpression.evaluateAsDouble(&valuation));
}
storm::expressions::Expression mintermExpression = dd.getMintermExpression();
// Check whether all minterms are covered.
for (auto valuationValuePair : dd) {
for (std::size_t i = 0; i < metaVariable.getNumberOfDdVariables(); ++i) {
// Check if the i-th bit is set or not and modify the valuation accordingly.
if (((valuationValuePair.first.getIntegerValue("x") - metaVariable.getLow()) & (1ull << (metaVariable.getNumberOfDdVariables() - i - 1))) != 0) {
valuation.setBooleanValue("x." + std::to_string(i), true);
} else {
valuation.setBooleanValue("x." + std::to_string(i), false);
}
}
// At this point, the constructed valuation should make the expression obtained from the DD evaluate to the very
// same value as the current value obtained from the DD.
EXPECT_TRUE(mintermExpression.evaluateAsBool(&valuation));
}
// Now check no additional minterms are covered.
dd = !dd;
for (auto valuationValuePair : dd) {
for (std::size_t i = 0; i < metaVariable.getNumberOfDdVariables(); ++i) {
// Check if the i-th bit is set or not and modify the valuation accordingly.
if (((valuationValuePair.first.getIntegerValue("x") - metaVariable.getLow()) & (1ull << (metaVariable.getNumberOfDdVariables() - i - 1))) != 0) {
valuation.setBooleanValue("x." + std::to_string(i), true);
} else {
valuation.setBooleanValue("x." + std::to_string(i), false);
}
}
// At this point, the constructed valuation should make the expression obtained from the DD evaluate to the very
// same value as the current value obtained from the DD.
EXPECT_FALSE(mintermExpression.evaluateAsBool(&valuation));
}
}
TEST(CuddDd, OddTest) {
std::shared_ptr<storm::dd::DdManager<storm::dd::DdType::CUDD>> manager(new storm::dd::DdManager<storm::dd::DdType::CUDD>());
manager->addMetaVariable("a");
manager->addMetaVariable("x", 1, 9);
storm::dd::Dd<storm::dd::DdType::CUDD> dd = manager->getIdentity("x");
storm::dd::Odd<storm::dd::DdType::CUDD> odd;
ASSERT_NO_THROW(odd = storm::dd::Odd<storm::dd::DdType::CUDD>(dd));
EXPECT_EQ(9, odd.getTotalOffset());
EXPECT_EQ(12, odd.getNodeCount());
std::vector<double> ddAsVector;
ASSERT_NO_THROW(ddAsVector = dd.toVector<double>());
EXPECT_EQ(9, ddAsVector.size());
for (uint_fast64_t i = 0; i < ddAsVector.size(); ++i) {
EXPECT_TRUE(i+1 == ddAsVector[i]);
}
// Create a non-trivial matrix.
dd = manager->getIdentity("x").equals(manager->getIdentity("x'")) * manager->getRange("x");
dd += manager->getEncoding("x", 1) * manager->getRange("x'") + manager->getEncoding("x'", 1) * manager->getRange("x");
// Create the ODDs.
storm::dd::Odd<storm::dd::DdType::CUDD> rowOdd;
ASSERT_NO_THROW(rowOdd = storm::dd::Odd<storm::dd::DdType::CUDD>(manager->getRange("x")));
storm::dd::Odd<storm::dd::DdType::CUDD> columnOdd;
ASSERT_NO_THROW(columnOdd = storm::dd::Odd<storm::dd::DdType::CUDD>(manager->getRange("x'")));
// Try to translate the matrix.
storm::storage::SparseMatrix<double> matrix;
ASSERT_NO_THROW(matrix = dd.toMatrix({"x"}, {"x'"}, rowOdd, columnOdd));
EXPECT_EQ(9, matrix.getRowCount());
EXPECT_EQ(9, matrix.getColumnCount());
EXPECT_EQ(25, matrix.getNonzeroEntryCount());
dd = manager->getRange("x") * manager->getRange("x'") * manager->getEncoding("a", 0).ite(dd, dd + manager->getConstant(1));
ASSERT_NO_THROW(matrix = dd.toMatrix({"x"}, {"x'"}, {"a"}, rowOdd, columnOdd));
EXPECT_EQ(18, matrix.getRowCount());
EXPECT_EQ(9, matrix.getRowGroupCount());
EXPECT_EQ(9, matrix.getColumnCount());
EXPECT_EQ(106, matrix.getNonzeroEntryCount());
}