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fix #3938

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2020-04-13 13:05:53 -07:00
parent 6a5695463f
commit b4e7730034
5 changed files with 2 additions and 12 deletions
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2
src/sat/sat_config.cpp
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@ -244,7 +244,7 @@ namespace sat {
throw sat_param_exception("invalid PB lemma format: 'cardinality' or 'pb' expected");
m_card_solver = p.cardinality_solver();
m_xor_solver = false && p.xor_solver(); // hide this option until thoroughly tested
m_xor_solver = false; // prevent users from playing with this option
sat_simplifier_params sp(_p);
m_elim_vars = sp.elim_vars();

1
src/sat/sat_params.pyg
View file

@ -53,7 +53,6 @@ def_module_params('sat',
('cardinality.solver', BOOL, True, 'use cardinality solver'),
('pb.solver', SYMBOL, 'solver', 'method for handling Pseudo-Boolean constraints: circuit (arithmetical circuit), sorting (sorting circuit), totalizer (use totalizer encoding), binary_merge, segmented, solver (use native solver)'),
('pb.min_arity', UINT, 9, 'minimal arity to compile pb/cardinality constraints to CNF'),
('xor.solver', BOOL, False, 'use xor solver'),
('cardinality.encoding', SYMBOL, 'grouped', 'encoding used for at-most-k constraints: grouped, bimander, ordered, unate, circuit'),
('pb.resolve', SYMBOL, 'cardinality', 'resolution strategy for boolean algebra solver: cardinality, rounding'),
('pb.lemma_format', SYMBOL, 'cardinality', 'generate either cardinality or pb lemmas'),

1
src/sat/sat_solver/inc_sat_solver.cpp
View file

@ -325,7 +325,6 @@ public:
sat_params p1(p);
m_params.set_bool("keep_cardinality_constraints", p1.cardinality_solver());
m_params.set_sym("pb.solver", p1.pb_solver());
m_params.set_bool("xor_solver", p1.xor_solver());
m_solver.updt_params(m_params);
m_solver.set_incremental(is_incremental() && !override_incremental());

7
src/sat/tactic/sat_tactic.cpp
View file

@ -156,15 +156,12 @@ class sat_tactic : public tactic {
imp * m_imp;
params_ref m_params;
statistics m_stats;
symbol m_xor_solver;
public:
sat_tactic(ast_manager & m, params_ref const & p):
m_imp(nullptr),
m_params(p),
m_xor_solver("xor_solver") {
m_params(p) {
sat_params p1(p);
m_params.set_bool(m_xor_solver, p1.xor_solver());
}
tactic * translate(ast_manager & m) override {
@ -177,8 +174,6 @@ public:
void updt_params(params_ref const & p) override {
m_params = p;
sat_params p1(p);
m_params.set_bool(m_xor_solver, p1.xor_solver());
if (m_imp) m_imp->updt_params(p);
}

3
src/shell/dimacs_frontend.cpp
View file

@ -228,9 +228,6 @@ unsigned read_dimacs(char const * file_name) {
sat_params sp(p);
reslimit limit;
sat::solver solver(p, limit);
if (sp.xor_solver()) {
solver.set_extension(alloc(sat::ba_solver));
}
g_solver = &solver;
if (file_name) {