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testing bounds strengthening code

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2021-08-06 17:05:54 -07:00
parent 481e20bc20
commit f47930a4ff
5 changed files with 295 additions and 93 deletions
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16
src/math/polysat/fixplex.h
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@ -252,12 +252,12 @@ namespace polysat {
void fixed_var_eh(row const& r, var_t x);
void eq_eh(var_t x, var_t y, row const& r1, row const& r2);
lbool propagate_bounds(row const& r);
lbool propagate_bounds(ineq const& i);
lbool new_bound(row const& r, var_t x, mod_interval<numeral> const& range);
lbool new_bound(ineq const& i, var_t x, numeral const& lo, numeral const& hi, u_dependency* a = nullptr, u_dependency* b = nullptr);
lbool conflict(ineq const& i, u_dependency* a = nullptr, u_dependency* b = nullptr);
lbool conflict(u_dependency* a);
lbool conflict(u_dependency* a, u_dependency* b) { return conflict(m_deps.mk_join(a, b)); }
bool propagate_bounds(ineq const& i);
bool new_bound(row const& r, var_t x, mod_interval<numeral> const& range);
bool new_bound(ineq const& i, var_t x, numeral const& lo, numeral const& hi, u_dependency* a = nullptr, u_dependency* b = nullptr, u_dependency* c = nullptr, u_dependency* d = nullptr);
void conflict(ineq const& i, u_dependency* a = nullptr, u_dependency* b = nullptr, u_dependency* c = nullptr, u_dependency* d = nullptr);
void conflict(u_dependency* a);
void conflict(u_dependency* a, u_dependency* b, u_dependency* c = nullptr, u_dependency* d = nullptr) { conflict(m_deps.mk_join(m_deps.mk_join(a, b), m_deps.mk_join(c, d))); }
u_dependency* row2dep(row const& r);
void pivot(var_t x_i, var_t x_j, numeral const& b, numeral const& value);
numeral value2delta(var_t v, numeral const& new_value) const;
@ -297,7 +297,9 @@ namespace polysat {
// facilities for handling inequalities
void add_ineq(var_t v, var_t w, unsigned dep, bool strict);
void touch_var(var_t x);
lbool check_ineqs();
bool ineqs_are_violated();
bool ineqs_are_satisfied();
void reset_ineqs_to_check();
bool is_solved(row const& r) const;
bool is_solved(var_t v) const { SASSERT(is_base(v)); return is_solved(base2row(v)); }