mirror of
https://github.com/Z3Prover/z3
synced 2025-11-04 13:29:11 +00:00
fix uninitialized variable m_gc_burst in config, have cuber accept and receive optional vector of variables indicating splits and global autarky as output
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner
parent
178211d091
commit
6b258578f9
15 changed files with 121 additions and 100 deletions
|
|
@ -707,7 +707,7 @@ void tactic_example7() {
|
|||
std::cout << s.check() << "\n";
|
||||
model m = s.get_model();
|
||||
std::cout << "model for subgoal:\n" << m << "\n";
|
||||
std::cout << "model for original goal:\n" << r.convert_model(m) << "\n";
|
||||
std::cout << "model for original goal:\n" << subgoal.convert_model(m) << "\n";
|
||||
}
|
||||
|
||||
void tactic_example8() {
|
||||
|
|
|
|||
|
|
@ -553,11 +553,19 @@ extern "C" {
|
|||
Z3_CATCH_RETURN(Z3_L_UNDEF);
|
||||
}
|
||||
|
||||
Z3_ast_vector Z3_API Z3_solver_cube(Z3_context c, Z3_solver s, unsigned cutoff) {
|
||||
Z3_ast_vector Z3_API Z3_solver_cube(Z3_context c, Z3_solver s, Z3_ast_vector vs, unsigned cutoff) {
|
||||
Z3_TRY;
|
||||
LOG_Z3_solver_cube(c, s, cutoff);
|
||||
LOG_Z3_solver_cube(c, s, vs, cutoff);
|
||||
ast_manager& m = mk_c(c)->m();
|
||||
expr_ref_vector result(m), vars(m);
|
||||
for (ast* a : to_ast_vector_ref(vs)) {
|
||||
if (!is_expr(a)) {
|
||||
SET_ERROR_CODE(Z3_INVALID_USAGE);
|
||||
}
|
||||
else {
|
||||
vars.push_back(to_expr(a));
|
||||
}
|
||||
}
|
||||
unsigned timeout = to_solver(s)->m_params.get_uint("timeout", mk_c(c)->get_timeout());
|
||||
unsigned rlimit = to_solver(s)->m_params.get_uint("rlimit", mk_c(c)->get_rlimit());
|
||||
bool use_ctrl_c = to_solver(s)->m_params.get_bool("ctrl_c", false);
|
||||
|
|
@ -580,7 +588,10 @@ extern "C" {
|
|||
for (expr* e : result) {
|
||||
v->m_ast_vector.push_back(e);
|
||||
}
|
||||
// TBD: save return variables from vars into variable ast-vector.
|
||||
to_ast_vector_ref(vs).reset();
|
||||
for (expr* a : vars) {
|
||||
to_ast_vector_ref(vs).push_back(a);
|
||||
}
|
||||
RETURN_Z3(of_ast_vector(v));
|
||||
Z3_CATCH_RETURN(0);
|
||||
}
|
||||
|
|
|
|||
|
|
@ -1999,18 +1999,23 @@ namespace z3 {
|
|||
param_descrs get_param_descrs() { return param_descrs(ctx(), Z3_solver_get_param_descrs(ctx(), m_solver)); }
|
||||
|
||||
|
||||
expr_vector cube(unsigned cutoff) { Z3_ast_vector r = Z3_solver_cube(ctx(), m_solver, cutoff); check_error(); return expr_vector(ctx(), r); }
|
||||
expr_vector cube(expr_vector& vars, unsigned cutoff) {
|
||||
Z3_ast_vector r = Z3_solver_cube(ctx(), m_solver, vars, cutoff);
|
||||
check_error();
|
||||
return expr_vector(ctx(), r);
|
||||
}
|
||||
|
||||
class cube_iterator {
|
||||
solver& m_solver;
|
||||
unsigned& m_cutoff;
|
||||
expr_vector& m_vars;
|
||||
expr_vector m_cube;
|
||||
bool m_end;
|
||||
bool m_empty;
|
||||
|
||||
void inc() {
|
||||
assert(!m_end && !m_empty);
|
||||
m_cube = m_solver.cube(m_cutoff);
|
||||
m_cube = m_solver.cube(m_vars, m_cutoff);
|
||||
m_cutoff = 0xFFFFFFFF;
|
||||
if (m_cube.size() == 1 && m_cube[0].is_false()) {
|
||||
m_cube = z3::expr_vector(m_solver.ctx());
|
||||
|
|
@ -2021,9 +2026,10 @@ namespace z3 {
|
|||
}
|
||||
}
|
||||
public:
|
||||
cube_iterator(solver& s, unsigned& cutoff, bool end):
|
||||
cube_iterator(solver& s, expr_vector& vars, unsigned& cutoff, bool end):
|
||||
m_solver(s),
|
||||
m_cutoff(cutoff),
|
||||
m_vars(vars),
|
||||
m_cube(s.ctx()),
|
||||
m_end(end),
|
||||
m_empty(false) {
|
||||
|
|
@ -2058,18 +2064,30 @@ namespace z3 {
|
|||
class cube_generator {
|
||||
solver& m_solver;
|
||||
unsigned m_cutoff;
|
||||
expr_vector m_default_vars;
|
||||
expr_vector& m_vars;
|
||||
public:
|
||||
cube_generator(solver& s):
|
||||
m_solver(s),
|
||||
m_cutoff(0xFFFFFFFF)
|
||||
m_cutoff(0xFFFFFFFF),
|
||||
m_default_vars(s.ctx()),
|
||||
m_vars(m_default_vars)
|
||||
{}
|
||||
|
||||
cube_iterator begin() { return cube_iterator(m_solver, m_cutoff, false); }
|
||||
cube_iterator end() { return cube_iterator(m_solver, m_cutoff, true); }
|
||||
cube_generator(solver& s, expr_vector& vars):
|
||||
m_solver(s),
|
||||
m_cutoff(0xFFFFFFFF),
|
||||
m_default_vars(s.ctx()),
|
||||
m_vars(vars)
|
||||
{}
|
||||
|
||||
cube_iterator begin() { return cube_iterator(m_solver, m_vars, m_cutoff, false); }
|
||||
cube_iterator end() { return cube_iterator(m_solver, m_vars, m_cutoff, true); }
|
||||
void set_cutoff(unsigned c) { m_cutoff = c; }
|
||||
};
|
||||
|
||||
cube_generator cubes() { return cube_generator(*this); }
|
||||
cube_generator cubes(expr_vector& vars) { return cube_generator(*this, vars); }
|
||||
|
||||
};
|
||||
inline std::ostream & operator<<(std::ostream & out, solver const & s) { out << Z3_solver_to_string(s.ctx(), s); return out; }
|
||||
|
|
|
|||
|
|
@ -405,17 +405,27 @@ namespace Microsoft.Z3
|
|||
/// </summary>
|
||||
public uint BacktrackLevel { get; set; }
|
||||
|
||||
/// <summary>
|
||||
/// Variables available and returned by the cuber.
|
||||
/// </summary>
|
||||
public BoolExpr[] CubeVariables { get; set; }
|
||||
|
||||
|
||||
/// <summary>
|
||||
/// Return a set of cubes.
|
||||
/// </summary>
|
||||
public IEnumerable<BoolExpr[]> Cube()
|
||||
{
|
||||
ASTVector cv = new ASTVector(Context);
|
||||
if (CubeVariables != null)
|
||||
foreach (var b in CubeVariables) cv.Push(b);
|
||||
|
||||
while (true) {
|
||||
var lvl = BacktrackLevel;
|
||||
BacktrackLevel = uint.MaxValue;
|
||||
ASTVector r = new ASTVector(Context, Native.Z3_solver_cube(Context.nCtx, NativeObject, lvl));
|
||||
ASTVector r = new ASTVector(Context, Native.Z3_solver_cube(Context.nCtx, NativeObject, cv.NativeObject, lvl));
|
||||
var v = r.ToBoolExprArray();
|
||||
CubeVariables = cv.ToBoolExprArray();
|
||||
if (v.Length == 1 && v[0].IsFalse) {
|
||||
break;
|
||||
}
|
||||
|
|
|
|||
|
|
@ -6313,18 +6313,25 @@ class Solver(Z3PPObject):
|
|||
consequences = [ consequences[i] for i in range(sz) ]
|
||||
return CheckSatResult(r), consequences
|
||||
|
||||
def cube(self):
|
||||
def cube(self, vars = None):
|
||||
"""Get set of cubes"""
|
||||
self.cube_vs = AstVector(None, self.ctx)
|
||||
if vars is not None:
|
||||
for v in vars:
|
||||
self.cube_vs.push(v)
|
||||
while True:
|
||||
lvl = self.backtrack_level
|
||||
self.backtrack_level = 4000000000
|
||||
r = AstVector(Z3_solver_cube(self.ctx.ref(), self.solver, lvl), self.ctx)
|
||||
r = AstVector(Z3_solver_cube(self.ctx.ref(), self.solver, self.cube_vs.vector, lvl), self.ctx)
|
||||
if (len(r) == 1 and is_false(r[0])):
|
||||
return
|
||||
yield r
|
||||
if (len(r) == 0):
|
||||
return
|
||||
|
||||
def cube_vars(self):
|
||||
return self.cube_vs
|
||||
|
||||
def proof(self):
|
||||
"""Return a proof for the last `check()`. Proof construction must be enabled."""
|
||||
return _to_expr_ref(Z3_solver_get_proof(self.ctx.ref(), self.solver), self.ctx)
|
||||
|
|
|
|||
|
|
@ -6230,13 +6230,20 @@ extern "C" {
|
|||
The number of (non-constant) cubes is by default 1. For the sat solver cubing is controlled
|
||||
using parameters sat.lookahead.cube.cutoff and sat.lookahead.cube.fraction.
|
||||
|
||||
The third argument is a vector of variables that may be used for cubing.
|
||||
The contents of the vector is only used in the first call. The initial list of variables
|
||||
is used in subsequent calls until it returns the unsatisfiable cube.
|
||||
The vector is modified to contain a set of Autarky variables that occor in clauses that
|
||||
are affected by the (last literal in the) cube. These variables could be used by a different
|
||||
cuber (on a different solver object) for further recursive cubing.
|
||||
|
||||
The last argument is a backtracking level. It instructs the cube process to backtrack below
|
||||
the indicated level for the next cube.
|
||||
|
||||
def_API('Z3_solver_cube', AST_VECTOR, (_in(CONTEXT), _in(SOLVER), _in(UINT)))
|
||||
def_API('Z3_solver_cube', AST_VECTOR, (_in(CONTEXT), _in(SOLVER), _in(AST_VECTOR), _in(UINT)))
|
||||
*/
|
||||
|
||||
Z3_ast_vector Z3_API Z3_solver_cube(Z3_context c, Z3_solver s, unsigned backtrack_level);
|
||||
Z3_ast_vector Z3_API Z3_solver_cube(Z3_context c, Z3_solver s, Z3_ast_vector vars, unsigned backtrack_level);
|
||||
|
||||
/**
|
||||
\brief Retrieve the model for the last #Z3_solver_check or #Z3_solver_check_assumptions
|
||||
|
|
|
|||
|
|
@ -72,7 +72,7 @@ namespace sat {
|
|||
unsigned elim = m_elim_literals;
|
||||
if (big) big->init_big(s, true);
|
||||
process(big, s.m_clauses);
|
||||
process(big, s.m_learned);
|
||||
if (big) process(big, s.m_learned);
|
||||
s.propagate(false);
|
||||
if (s.m_inconsistent)
|
||||
break;
|
||||
|
|
|
|||
|
|
@ -136,6 +136,7 @@ namespace sat {
|
|||
m_gc_increment = p.gc_increment();
|
||||
m_gc_small_lbd = p.gc_small_lbd();
|
||||
m_gc_k = std::min(255u, p.gc_k());
|
||||
m_gc_burst = p.gc_burst();
|
||||
|
||||
m_minimize_lemmas = p.minimize_lemmas();
|
||||
m_core_minimize = p.core_minimize();
|
||||
|
|
|
|||
|
|
@ -182,8 +182,8 @@ namespace sat {
|
|||
literal l(v, false);
|
||||
literal r = roots[v];
|
||||
SASSERT(v != r.var());
|
||||
if (m_solver.is_external(v)) {
|
||||
m_solver.set_root(l, r);
|
||||
bool root_ok = !m_solver.is_external(v) || m_solver.set_root(l, r);
|
||||
if (m_solver.is_external(v) && (m_solver.is_incremental() || !root_ok)) {
|
||||
// cannot really eliminate v, since we have to notify extension of future assignments
|
||||
m_solver.mk_bin_clause(~l, r, false);
|
||||
m_solver.mk_bin_clause(l, ~r, false);
|
||||
|
|
|
|||
|
|
@ -338,7 +338,7 @@ namespace sat {
|
|||
}
|
||||
TRACE("sat", display_candidates(tout << "sum: " << sum << "\n"););
|
||||
if (skip_candidates > 0) {
|
||||
IF_VERBOSE(0, verbose_stream() << "candidates: " << m_candidates.size() << " skip: " << skip_candidates << "\n";);
|
||||
IF_VERBOSE(1, verbose_stream() << "(sat-lookahead :candidates " << m_candidates.size() << " :skipped " << skip_candidates << ")\n";);
|
||||
}
|
||||
return sum;
|
||||
}
|
||||
|
|
@ -2049,15 +2049,15 @@ namespace sat {
|
|||
return h;
|
||||
}
|
||||
|
||||
lbool lookahead::cube(bool_var_vector const& vars, literal_vector& lits, unsigned backtrack_level) {
|
||||
lbool lookahead::cube(bool_var_vector& vars, literal_vector& lits, unsigned backtrack_level) {
|
||||
scoped_ext _scoped_ext(*this);
|
||||
lits.reset();
|
||||
bool is_first = m_cube_state.m_first;
|
||||
if (is_first) {
|
||||
m_select_lookahead_vars.reset();
|
||||
for (auto v : vars) {
|
||||
m_select_lookahead_vars.insert(v);
|
||||
}
|
||||
bool is_first = m_cube_state.m_first;
|
||||
if (is_first) {
|
||||
init_search();
|
||||
m_model.reset();
|
||||
m_cube_state.m_first = false;
|
||||
|
|
@ -2109,6 +2109,8 @@ namespace sat {
|
|||
#else
|
||||
lits.append(m_cube_state.m_cube);
|
||||
#endif
|
||||
vars.reset();
|
||||
for (auto v : m_freevars) if (in_reduced_clause(v)) vars.push_back(v);
|
||||
backtrack(m_cube_state.m_cube, m_cube_state.m_is_decision);
|
||||
return l_undef;
|
||||
}
|
||||
|
|
@ -2124,6 +2126,8 @@ namespace sat {
|
|||
continue;
|
||||
}
|
||||
if (lit == null_literal) {
|
||||
vars.reset();
|
||||
for (auto v : m_freevars) if (in_reduced_clause(v)) vars.push_back(v);
|
||||
return l_true;
|
||||
}
|
||||
TRACE("sat", tout << "choose: " << lit << " cube: " << m_cube_state.m_cube << "\n";);
|
||||
|
|
@ -2246,40 +2250,6 @@ namespace sat {
|
|||
return l;
|
||||
}
|
||||
|
||||
|
||||
literal lookahead::select_lookahead(literal_vector const& assumptions, bool_var_vector const& vars) {
|
||||
IF_VERBOSE(1, verbose_stream() << "(sat-select " << vars.size() << ")\n";);
|
||||
scoped_ext _sext(*this);
|
||||
m_search_mode = lookahead_mode::searching;
|
||||
scoped_level _sl(*this, c_fixed_truth);
|
||||
init();
|
||||
if (inconsistent()) return null_literal;
|
||||
inc_istamp();
|
||||
for (auto v : vars) {
|
||||
m_select_lookahead_vars.insert(v);
|
||||
}
|
||||
|
||||
scoped_assumptions _sa(*this, assumptions);
|
||||
literal l = choose();
|
||||
m_select_lookahead_vars.reset();
|
||||
if (inconsistent()) l = null_literal;
|
||||
|
||||
#if 0
|
||||
// assign unit literals that were found during search for lookahead.
|
||||
if (assumptions.empty()) {
|
||||
unsigned num_assigned = 0;
|
||||
for (literal lit : m_trail) {
|
||||
if (!m_s.was_eliminated(lit.var()) && m_s.value(lit) != l_true) {
|
||||
m_s.assign(lit, justification());
|
||||
++num_assigned;
|
||||
}
|
||||
}
|
||||
IF_VERBOSE(1, verbose_stream() << "(sat-lookahead :units " << num_assigned << ")\n";);
|
||||
}
|
||||
#endif
|
||||
return l;
|
||||
}
|
||||
|
||||
/**
|
||||
\brief simplify set of clauses by extracting units from a lookahead at base level.
|
||||
*/
|
||||
|
|
|
|||
|
|
@ -591,11 +591,10 @@ namespace sat {
|
|||
Otherwise, cut-fraction gives an adaptive threshold for creating cuts.
|
||||
*/
|
||||
|
||||
lbool cube(bool_var_vector const& vars, literal_vector& lits, unsigned backtrack_level);
|
||||
lbool cube(bool_var_vector& vars, literal_vector& lits, unsigned backtrack_level);
|
||||
|
||||
void update_cube_statistics(statistics& st);
|
||||
|
||||
literal select_lookahead(literal_vector const& assumptions, bool_var_vector const& vars);
|
||||
/**
|
||||
\brief simplify set of clauses by extracting units from a lookahead at base level.
|
||||
*/
|
||||
|
|
|
|||
|
|
@ -861,12 +861,7 @@ namespace sat {
|
|||
return r;
|
||||
}
|
||||
|
||||
literal solver::select_lookahead(literal_vector const& assumptions, bool_var_vector const& vars) {
|
||||
lookahead lh(*this);
|
||||
return lh.select_lookahead(assumptions, vars);
|
||||
}
|
||||
|
||||
lbool solver::cube(bool_var_vector const& vars, literal_vector& lits, unsigned backtrack_level) {
|
||||
lbool solver::cube(bool_var_vector& vars, literal_vector& lits, unsigned backtrack_level) {
|
||||
if (!m_cuber) {
|
||||
m_cuber = alloc(lookahead, *this);
|
||||
}
|
||||
|
|
|
|||
|
|
@ -355,10 +355,10 @@ namespace sat {
|
|||
bool check_clauses(model const& m) const;
|
||||
bool is_assumption(bool_var v) const;
|
||||
|
||||
literal select_lookahead(literal_vector const& assumptions, bool_var_vector const& vars);
|
||||
lbool cube(bool_var_vector const& vars, literal_vector& lits, unsigned backtrack_level);
|
||||
lbool cube(bool_var_vector& vars, literal_vector& lits, unsigned backtrack_level);
|
||||
|
||||
protected:
|
||||
|
||||
unsigned m_conflicts_since_init;
|
||||
unsigned m_restarts;
|
||||
unsigned m_conflicts_since_restart;
|
||||
|
|
|
|||
|
|
@ -67,12 +67,12 @@ class inc_sat_solver : public solver {
|
|||
std::string m_unknown;
|
||||
// access formulas after they have been pre-processed and handled by the sat solver.
|
||||
// this allows to access the internal state of the SAT solver and carry on partial results.
|
||||
bool m_internalized; // are formulas internalized?
|
||||
bool m_internalized_converted; // have internalized formulas been converted back
|
||||
expr_ref_vector m_internalized_fmls; // formulas in internalized format
|
||||
|
||||
|
||||
typedef obj_map<expr, sat::literal> dep2asm_t;
|
||||
|
||||
bool is_internalized() const { return m_fmls_head == m_fmls.size(); }
|
||||
public:
|
||||
inc_sat_solver(ast_manager& m, params_ref const& p, bool incremental_mode):
|
||||
m(m),
|
||||
|
|
@ -84,7 +84,6 @@ public:
|
|||
m_map(m),
|
||||
m_num_scopes(0),
|
||||
m_unknown("no reason given"),
|
||||
m_internalized(false),
|
||||
m_internalized_converted(false),
|
||||
m_internalized_fmls(m) {
|
||||
updt_params(p);
|
||||
|
|
@ -94,7 +93,6 @@ public:
|
|||
|
||||
bool override_incremental() const {
|
||||
sat_simplifier_params p(m_params);
|
||||
std::cout << "override: " << p.override_incremental() << "\n";
|
||||
return p.override_incremental();
|
||||
}
|
||||
|
||||
|
|
@ -124,7 +122,6 @@ public:
|
|||
if (m_mc0) result->m_mc0 = m_mc0->translate(tr);
|
||||
//if (m_sat_mc) result->m_sat_mc = m_sat_mc->translate(tr); MN: commenting this line removes bloat
|
||||
// copy m_bb_rewriter?
|
||||
result->m_internalized = m_internalized;
|
||||
result->m_internalized_converted = m_internalized_converted;
|
||||
return result;
|
||||
}
|
||||
|
|
@ -188,8 +185,6 @@ public:
|
|||
if (r != l_true) return r;
|
||||
r = internalize_assumptions(sz, _assumptions.c_ptr(), dep2asm);
|
||||
if (r != l_true) return r;
|
||||
m_internalized = true;
|
||||
m_internalized_converted = false;
|
||||
|
||||
init_reason_unknown();
|
||||
try {
|
||||
|
|
@ -226,11 +221,8 @@ public:
|
|||
m_fmls_head_lim.push_back(m_fmls_head);
|
||||
if (m_bb_rewriter) m_bb_rewriter->push();
|
||||
m_map.push();
|
||||
m_internalized = true;
|
||||
m_internalized_converted = false;
|
||||
}
|
||||
virtual void pop(unsigned n) {
|
||||
m_internalized = false;
|
||||
if (n > m_num_scopes) { // allow inc_sat_solver to
|
||||
n = m_num_scopes; // take over for another solver.
|
||||
}
|
||||
|
|
@ -264,7 +256,6 @@ public:
|
|||
|
||||
virtual ast_manager& get_manager() const { return m; }
|
||||
virtual void assert_expr_core(expr * t) {
|
||||
m_internalized = false;
|
||||
TRACE("goal2sat", tout << mk_pp(t, m) << "\n";);
|
||||
m_fmls.push_back(t);
|
||||
}
|
||||
|
|
@ -306,16 +297,17 @@ public:
|
|||
}
|
||||
|
||||
virtual expr_ref_vector cube(expr_ref_vector& vs, unsigned backtrack_level) {
|
||||
if (!m_internalized) {
|
||||
dep2asm_t dep2asm;
|
||||
if (!is_internalized()) {
|
||||
m_model = 0;
|
||||
lbool r = internalize_formulas();
|
||||
if (r != l_true) return expr_ref_vector(m);
|
||||
m_internalized = true;
|
||||
}
|
||||
convert_internalized();
|
||||
obj_hashtable<expr> _vs;
|
||||
for (expr* v : vs) _vs.insert(v);
|
||||
sat::bool_var_vector vars;
|
||||
for (auto& kv : m_map) {
|
||||
if (_vs.empty() || _vs.contains(kv.m_key))
|
||||
vars.push_back(kv.m_value);
|
||||
}
|
||||
sat::literal_vector lits;
|
||||
|
|
@ -335,6 +327,13 @@ public:
|
|||
for (sat::literal l : lits) {
|
||||
fmls.push_back(lit2expr[l.index()].get());
|
||||
}
|
||||
vs.reset();
|
||||
for (sat::bool_var v : vars) {
|
||||
expr* x = lit2expr[sat::literal(v, false).index()].get();
|
||||
if (x) {
|
||||
vs.push_back(x);
|
||||
}
|
||||
}
|
||||
return fmls;
|
||||
}
|
||||
|
||||
|
|
@ -419,7 +418,7 @@ public:
|
|||
}
|
||||
virtual unsigned get_num_assertions() const {
|
||||
const_cast<inc_sat_solver*>(this)->convert_internalized();
|
||||
if (m_internalized && m_internalized_converted) {
|
||||
if (is_internalized() && m_internalized_converted) {
|
||||
return m_internalized_fmls.size();
|
||||
}
|
||||
else {
|
||||
|
|
@ -427,7 +426,7 @@ public:
|
|||
}
|
||||
}
|
||||
virtual expr * get_assertion(unsigned idx) const {
|
||||
if (m_internalized && m_internalized_converted) {
|
||||
if (is_internalized() && m_internalized_converted) {
|
||||
return m_internalized_fmls[idx];
|
||||
}
|
||||
return m_fmls[idx];
|
||||
|
|
@ -443,7 +442,7 @@ public:
|
|||
const_cast<inc_sat_solver*>(this)->convert_internalized();
|
||||
if (m_cached_mc)
|
||||
return m_cached_mc;
|
||||
if (m_internalized && m_internalized_converted) {
|
||||
if (is_internalized() && m_internalized_converted) {
|
||||
m_cached_mc = concat(m_mc0.get(), mk_bit_blaster_model_converter(m, m_bb_rewriter->const2bits()));
|
||||
m_cached_mc = concat(solver::get_model_converter().get(), m_cached_mc.get());
|
||||
m_cached_mc = concat(m_cached_mc.get(), m_sat_mc.get());
|
||||
|
|
@ -455,7 +454,10 @@ public:
|
|||
}
|
||||
|
||||
void convert_internalized() {
|
||||
if (!m_internalized || m_internalized_converted) return;
|
||||
if (!is_internalized() && m_fmls_head > 0) {
|
||||
internalize_formulas();
|
||||
}
|
||||
if (!is_internalized() || m_internalized_converted) return;
|
||||
sat2goal s2g;
|
||||
m_cached_mc = nullptr;
|
||||
goal g(m, false, true, false);
|
||||
|
|
@ -679,6 +681,7 @@ private:
|
|||
if (res != l_undef) {
|
||||
m_fmls_head = m_fmls.size();
|
||||
}
|
||||
m_internalized_converted = false;
|
||||
return res;
|
||||
}
|
||||
|
||||
|
|
|
|||
|
|
@ -47,7 +47,7 @@ class solver : public check_sat_result {
|
|||
params_ref m_params;
|
||||
bool m_enforce_model_conversion;
|
||||
public:
|
||||
solver(): m_enforce_model_conversion(true) {}
|
||||
solver(): m_enforce_model_conversion(false) {}
|
||||
virtual ~solver() {}
|
||||
|
||||
/**
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue