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scenario saving

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2021-08-13 11:01:07 -07:00
parent bd2e73014c
commit 60dbfed69e
5 changed files with 61 additions and 14 deletions
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18
src/math/polysat/fixplex.h
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@ -28,6 +28,7 @@ Author:
#include "util/uint_set.h"
#include "util/dependency.h"
#include "util/ref.h"
#include "util/params.h"
inline rational to_rational(uint64_t n) { return rational(n, rational::ui64()); }
inline unsigned trailing_zeros(unsigned short n) { return trailing_zeros((uint32_t)n); }
@ -55,6 +56,7 @@ namespace polysat {
virtual void restore_ineq() = 0;
virtual bool inconsistent() const = 0;
virtual unsigned_vector const& get_unsat_core() const = 0;
virtual void updt_params(params_ref const& p) = 0;
};
@ -170,14 +172,15 @@ namespace polysat {
reslimit& m_limit;
mutable manager m;
mutable matrix M;
unsigned m_max_iterations { UINT_MAX };
unsigned m_num_non_integral { 0 };
unsigned m_max_iterations = UINT_MAX;
unsigned m_num_non_integral = 0;
var_heap m_to_patch;
vector<var_info> m_vars;
vector<row_info> m_rows;
vector<var_eq> m_var_eqs;
bool m_bland { false };
unsigned m_blands_rule_threshold { 1000 };
bool m_bland = false ;
unsigned m_blands_rule_threshold = 1000;
var_t m_last_pivot_var = null_var;
random_gen m_random;
uint_set m_left_basis;
unsigned_vector m_unsat_core;
@ -198,16 +201,19 @@ namespace polysat {
svector<var_t> m_vars_to_untouch;
public:
fixplex(reslimit& lim):
fixplex(params_ref const& p, reslimit& lim):
m_limit(lim),
M(m),
m_to_patch(1024) {}
m_to_patch(1024) {
updt_params(p);
}
~fixplex() override;
void push() override;
void pop(unsigned n) override;
bool inconsistent() const override { return m_inconsistent; }
void updt_params(params_ref const& p) override;
lbool make_feasible() override;
void add_row(var_t base, unsigned num_vars, var_t const* vars, rational const* coeffs) override;