mirror of
https://github.com/Z3Prover/z3
synced 2025-04-23 17:15:31 +00:00
Dev (#56)
* introduce int_solver.h Signed-off-by: Lev Nachmanson <levnach@hotmail.com> * add int_solver class Signed-off-by: Lev Nachmanson <levnach@hotmail.com> * track which var is an integer Signed-off-by: Lev Nachmanson <levnach@microsoft.com> * add queries for integrality of vars Signed-off-by: Lev Nachmanson <levnach@microsoft.com> * resurrect lp_tst in its own director lp Signed-off-by: Lev Nachmanson <levnach@microsoft.com> * add file Signed-off-by: Lev Nachmanson <levnach@microsoft.com> * add_constraint has got a body Signed-off-by: Lev Nachmanson <levnach@microsoft.com> * fix add_constraint and substitute_terms_in_linear_expression Signed-off-by: Lev Nachmanson <levnach@microsoft.com> * after merge with Z3Prover Signed-off-by: Lev Nachmanson <levnach@hotmail.com> * adding stub check_int_feasibility() Signed-off-by: Lev Nachmanson <levnach@hotmail.com> * Dev (#50) * initial skeletons for nra solver Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * initial skeletons for nra solver Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * small fix in lar_solver.cpp Signed-off-by: Lev Nachmanson <levnach@hotmail.com> * adding some content to the new check_int_feasibility() Signed-off-by: Lev Nachmanson <levnach@hotmail.com> * Dev (#51) * initial skeletons for nra solver Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * initial skeletons for nra solver Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * adding more nlsat Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * nlsat integration Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * adding constraints Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * adding nra solver Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * add missing initialization Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * adding nra solver Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * test Signed-off-by: Lev Nachmanson <levnach@microsoft.com> * Dev (#53) * change in a comment Signed-off-by: Lev Nachmanson <levnach@hotmail.com> * Disabled debug output * removing FOCI2 interface from interp * remove foci reference from cmakelist.txt Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * initial skeletons for nra solver Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * initial skeletons for nra solver Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * adding more nlsat Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * nlsat integration Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * adding constraints Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * adding nra solver Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * add missing initialization Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * adding nra solver Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * adding nra Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * debugging nra Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * updates to nra_solver integration to call it directly from theory_lra instead of over lar_solver Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * n/a Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * integrate nlsat Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * tidy Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * preserve is_int flag Signed-off-by: Lev Nachmanson <levnach@hotmail.com> * remove a debug printout Signed-off-by: Lev Nachmanson <levnach@hotmail.com> * Dev (#54) * change in a comment Signed-off-by: Lev Nachmanson <levnach@hotmail.com> * Disabled debug output * removing FOCI2 interface from interp * remove foci reference from cmakelist.txt Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * initial skeletons for nra solver Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * initial skeletons for nra solver Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * adding more nlsat Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * nlsat integration Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * adding constraints Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * adding nra solver Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * add missing initialization Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * adding nra solver Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * adding nra Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * debugging nra Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * updates to nra_solver integration to call it directly from theory_lra instead of over lar_solver Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * n/a Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * integrate nlsat Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * tidy Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * use integer test from lra solver, updated it to work on term variables Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * fix equality check in assume-eq Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * fix model_is_int_feasible Signed-off-by: Lev Nachmanson <levnach@hotmail.com> * untested gcd_test() Signed-off-by: Lev Nachmanson <levnach@hotmail.com> * call fill_explanation_from_fixed_columns() Signed-off-by: Lev Nachmanson <levnach@microsoft.com> * add the call to pivot_fixed_vars_from_basis() to int_solver.cpp::check() Signed-off-by: Lev Nachmanson <levnach@microsoft.com> * port more of theory_arith_int.h Signed-off-by: Lev Nachmanson <levnach@microsoft.com> * use statistics of lar_solver by theory_lra.cpp Signed-off-by: Lev Nachmanson <levnach@hotmail.com> * port more code to int_solver.cpp Signed-off-by: Lev Nachmanson <levnach@microsoft.com> * add an assert Signed-off-by: Lev Nachmanson <levnach@microsoft.com> * more int porting Signed-off-by: Lev Nachmanson <levnach@hotmail.com> * fix a bug in pivot_fixed_vars_from_basis Signed-off-by: Lev Nachmanson <levnach@microsoft.com> * small change Signed-off-by: Lev Nachmanson <levnach@hotmail.com> * implement find_inf_int_base_column() Signed-off-by: Lev Nachmanson <levnach@microsoft.com> * catch unregistered vars in add_var_bound Signed-off-by: Lev Nachmanson <levnach@microsoft.com> * add a file Signed-off-by: Lev Nachmanson <levnach@microsoft.com> * compile for vs2012 Signed-off-by: Lev Nachmanson <levnach@microsoft.com> * fix asserts in add_var_bound Signed-off-by: Lev Nachmanson <levnach@microsoft.com> * fix the lp_solver init when workig on an mps file Signed-off-by: Lev Nachmanson <levnach@microsoft.com> * towards int_solver::check() Signed-off-by: Lev Nachmanson <levnach@microsoft.com> * change in int_solver::check() signature Signed-off-by: Lev Nachmanson <levnach@microsoft.com> * add handlers for lia moves Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com> * spacing Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner
Lev Nachmanson
parent
6c64e138b0
commit
c82aa5edce
36 changed files with 3785 additions and 1122 deletions
|
|
@ -1,4 +1,5 @@
|
|||
add_subdirectory(fuzzing)
|
||||
add_subdirectory(lp)
|
||||
################################################################################
|
||||
# z3-test executable
|
||||
################################################################################
|
||||
|
|
@ -120,6 +121,7 @@ add_executable(test-z3
|
|||
upolynomial.cpp
|
||||
var_subst.cpp
|
||||
vector.cpp
|
||||
lp/lp.cpp
|
||||
${z3_test_extra_object_files}
|
||||
)
|
||||
z3_add_install_tactic_rule(${z3_test_deps})
|
||||
|
|
|
|||
6
src/test/lp/CMakeLists.txt
Normal file
6
src/test/lp/CMakeLists.txt
Normal file
|
|
@ -0,0 +1,6 @@
|
|||
add_executable(lp_tst lp_main.cpp lp.cpp $<TARGET_OBJECTS:util> $<TARGET_OBJECTS:polynomial> $<TARGET_OBJECTS:nlsat> $<TARGET_OBJECTS:lp> )
|
||||
target_compile_definitions(lp_tst PRIVATE ${Z3_COMPONENT_CXX_DEFINES})
|
||||
target_compile_options(lp_tst PRIVATE ${Z3_COMPONENT_CXX_FLAGS})
|
||||
target_include_directories(lp_tst PRIVATE ${Z3_COMPONENT_EXTRA_INCLUDE_DIRS})
|
||||
target_link_libraries(lp_tst PRIVATE ${Z3_DEPENDENT_LIBS})
|
||||
z3_append_linker_flag_list_to_target(lp_tst ${Z3_DEPENDENT_EXTRA_CXX_LINK_FLAGS})
|
||||
|
|
@ -2712,8 +2712,8 @@ void test_term() {
|
|||
lar_solver solver;
|
||||
unsigned _x = 0;
|
||||
unsigned _y = 1;
|
||||
var_index x = solver.add_var(_x);
|
||||
var_index y = solver.add_var(_y);
|
||||
var_index x = solver.add_var(_x, false);
|
||||
var_index y = solver.add_var(_y, false);
|
||||
|
||||
vector<std::pair<mpq, var_index>> term_ls;
|
||||
term_ls.push_back(std::pair<mpq, var_index>((int)1, x));
|
||||
|
|
@ -2726,9 +2726,16 @@ void test_term() {
|
|||
ls.push_back(std::pair<mpq, var_index>((int)1, z));
|
||||
|
||||
solver.add_constraint(ls, lconstraint_kind::EQ, mpq(0));
|
||||
ls.clear();
|
||||
ls.push_back(std::pair<mpq, var_index>((int)1, x));
|
||||
solver.add_constraint(ls, lconstraint_kind::LT, mpq(0));
|
||||
ls.push_back(std::pair<mpq, var_index>((int)2, y));
|
||||
solver.add_constraint(ls, lconstraint_kind::GT, mpq(0));
|
||||
auto status = solver.solve();
|
||||
std::cout << lp_status_to_string(status) << std::endl;
|
||||
std::unordered_map<var_index, mpq> model;
|
||||
if (status != OPTIMAL)
|
||||
return;
|
||||
solver.get_model(model);
|
||||
|
||||
for (auto & t : model) {
|
||||
|
|
@ -2740,8 +2747,8 @@ void test_term() {
|
|||
|
||||
void test_evidence_for_total_inf_simple(argument_parser & args_parser) {
|
||||
lar_solver solver;
|
||||
var_index x = solver.add_var(0);
|
||||
var_index y = solver.add_var(1);
|
||||
var_index x = solver.add_var(0, false);
|
||||
var_index y = solver.add_var(1, false);
|
||||
solver.add_var_bound(x, LE, -mpq(1));
|
||||
solver.add_var_bound(y, GE, mpq(0));
|
||||
vector<std::pair<mpq, var_index>> ls;
|
||||
|
|
@ -2775,9 +2782,9 @@ If b becomes basic variable, then it is likely the old solver ends up with a row
|
|||
return true;
|
||||
};
|
||||
lar_solver ls;
|
||||
unsigned a = ls.add_var(0);
|
||||
unsigned b = ls.add_var(1);
|
||||
unsigned c = ls.add_var(2);
|
||||
unsigned a = ls.add_var(0, false);
|
||||
unsigned b = ls.add_var(1, false);
|
||||
unsigned c = ls.add_var(2, false);
|
||||
vector<std::pair<mpq, var_index>> coeffs;
|
||||
coeffs.push_back(std::pair<mpq, var_index>(1, a));
|
||||
coeffs.push_back(std::pair<mpq, var_index>(-1, c));
|
||||
|
|
@ -2840,8 +2847,8 @@ If x9 becomes basic variable, then it is likely the old solver ends up with a ro
|
|||
}
|
||||
void test_bound_propagation_one_row() {
|
||||
lar_solver ls;
|
||||
unsigned x0 = ls.add_var(0);
|
||||
unsigned x1 = ls.add_var(1);
|
||||
unsigned x0 = ls.add_var(0, false);
|
||||
unsigned x1 = ls.add_var(1, false);
|
||||
vector<std::pair<mpq, var_index>> c;
|
||||
c.push_back(std::pair<mpq, var_index>(1, x0));
|
||||
c.push_back(std::pair<mpq, var_index>(-1, x1));
|
||||
|
|
@ -2854,8 +2861,8 @@ void test_bound_propagation_one_row() {
|
|||
}
|
||||
void test_bound_propagation_one_row_with_bounded_vars() {
|
||||
lar_solver ls;
|
||||
unsigned x0 = ls.add_var(0);
|
||||
unsigned x1 = ls.add_var(1);
|
||||
unsigned x0 = ls.add_var(0, false);
|
||||
unsigned x1 = ls.add_var(1, false);
|
||||
vector<std::pair<mpq, var_index>> c;
|
||||
c.push_back(std::pair<mpq, var_index>(1, x0));
|
||||
c.push_back(std::pair<mpq, var_index>(-1, x1));
|
||||
|
|
@ -2870,8 +2877,8 @@ void test_bound_propagation_one_row_with_bounded_vars() {
|
|||
}
|
||||
void test_bound_propagation_one_row_mixed() {
|
||||
lar_solver ls;
|
||||
unsigned x0 = ls.add_var(0);
|
||||
unsigned x1 = ls.add_var(1);
|
||||
unsigned x0 = ls.add_var(0, false);
|
||||
unsigned x1 = ls.add_var(1, false);
|
||||
vector<std::pair<mpq, var_index>> c;
|
||||
c.push_back(std::pair<mpq, var_index>(1, x0));
|
||||
c.push_back(std::pair<mpq, var_index>(-1, x1));
|
||||
|
|
@ -2885,9 +2892,9 @@ void test_bound_propagation_one_row_mixed() {
|
|||
|
||||
void test_bound_propagation_two_rows() {
|
||||
lar_solver ls;
|
||||
unsigned x = ls.add_var(0);
|
||||
unsigned y = ls.add_var(1);
|
||||
unsigned z = ls.add_var(2);
|
||||
unsigned x = ls.add_var(0, false);
|
||||
unsigned y = ls.add_var(1, false);
|
||||
unsigned z = ls.add_var(2, false);
|
||||
vector<std::pair<mpq, var_index>> c;
|
||||
c.push_back(std::pair<mpq, var_index>(1, x));
|
||||
c.push_back(std::pair<mpq, var_index>(2, y));
|
||||
|
|
@ -2909,9 +2916,9 @@ void test_bound_propagation_two_rows() {
|
|||
void test_total_case_u() {
|
||||
std::cout << "test_total_case_u\n";
|
||||
lar_solver ls;
|
||||
unsigned x = ls.add_var(0);
|
||||
unsigned y = ls.add_var(1);
|
||||
unsigned z = ls.add_var(2);
|
||||
unsigned x = ls.add_var(0, false);
|
||||
unsigned y = ls.add_var(1, false);
|
||||
unsigned z = ls.add_var(2, false);
|
||||
vector<std::pair<mpq, var_index>> c;
|
||||
c.push_back(std::pair<mpq, var_index>(1, x));
|
||||
c.push_back(std::pair<mpq, var_index>(2, y));
|
||||
|
|
@ -2935,9 +2942,9 @@ bool contains_j_kind(unsigned j, lconstraint_kind kind, const mpq & rs, const ve
|
|||
void test_total_case_l(){
|
||||
std::cout << "test_total_case_l\n";
|
||||
lar_solver ls;
|
||||
unsigned x = ls.add_var(0);
|
||||
unsigned y = ls.add_var(1);
|
||||
unsigned z = ls.add_var(2);
|
||||
unsigned x = ls.add_var(0, false);
|
||||
unsigned y = ls.add_var(1, false);
|
||||
unsigned z = ls.add_var(2, false);
|
||||
vector<std::pair<mpq, var_index>> c;
|
||||
c.push_back(std::pair<mpq, var_index>(1, x));
|
||||
c.push_back(std::pair<mpq, var_index>(2, y));
|
||||
14
src/test/lp/lp_main.cpp
Normal file
14
src/test/lp/lp_main.cpp
Normal file
|
|
@ -0,0 +1,14 @@
|
|||
void gparams_register_modules(){}
|
||||
void mem_initialize() {}
|
||||
void mem_finalize() {}
|
||||
#include "util/rational.h"
|
||||
namespace lean {
|
||||
void test_lp_local(int argc, char**argv);
|
||||
}
|
||||
int main(int argn, char**argv){
|
||||
rational::initialize();
|
||||
lean::test_lp_local(argn, argv);
|
||||
rational::finalize();
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
|
@ -389,7 +389,7 @@ namespace lp {
|
|||
void add_constraint_to_solver(lar_solver * solver, formula_constraint & fc) {
|
||||
vector<std::pair<mpq, var_index>> ls;
|
||||
for (auto & it : fc.m_coeffs) {
|
||||
ls.push_back(std::make_pair(it.first, solver->add_var(register_name(it.second))));
|
||||
ls.push_back(std::make_pair(it.first, solver->add_var(register_name(it.second), false)));
|
||||
}
|
||||
solver->add_constraint(ls, fc.m_kind, fc.m_right_side);
|
||||
}
|
||||
Loading…
Add table
Add a link
Reference in a new issue