Z3
Data Structures | Public Member Functions | Friends
solver Class Reference
+ Inheritance diagram for solver:

Data Structures

class  cube_generator
 
class  cube_iterator
 
struct  simple
 
struct  translate
 

Public Member Functions

 solver (context &c)
 
 solver (context &c, simple)
 
 solver (context &c, Z3_solver s)
 
 solver (context &c, char const *logic)
 
 solver (context &c, solver const &src, translate)
 
 solver (solver const &s)
 
 solver (solver const &s, simplifier const &simp)
 
 ~solver ()
 
 operator Z3_solver () const
 
solveroperator= (solver const &s)
 
void set (params const &p)
 
void set (char const *k, bool v)
 
void set (char const *k, unsigned v)
 
void set (char const *k, double v)
 
void set (char const *k, symbol const &v)
 
void set (char const *k, char const *v)
 
void push ()
 Create a backtracking point. More...
 
void pop (unsigned n=1)
 
void reset ()
 
void add (expr const &e)
 
void add (expr const &e, expr const &p)
 
void add (expr const &e, char const *p)
 
void add (expr_vector const &v)
 
void from_file (char const *file)
 
void from_string (char const *s)
 
check_result check ()
 
check_result check (unsigned n, expr *const assumptions)
 
check_result check (expr_vector const &assumptions)
 
model get_model () const
 
check_result consequences (expr_vector &assumptions, expr_vector &vars, expr_vector &conseq)
 
std::string reason_unknown () const
 
stats statistics () const
 
expr_vector unsat_core () const
 
expr_vector assertions () const
 
expr_vector non_units () const
 
expr_vector units () const
 
expr_vector trail () const
 
expr_vector trail (array< unsigned > &levels) const
 
expr proof () const
 
std::string to_smt2 (char const *status="unknown")
 
std::string dimacs (bool include_names=true) const
 
param_descrs get_param_descrs ()
 
expr_vector cube (expr_vector &vars, unsigned cutoff)
 
cube_generator cubes ()
 
cube_generator cubes (expr_vector &vars)
 
- Public Member Functions inherited from object
 object (context &c)
 
contextctx () const
 
Z3_error_code check_error () const
 

Friends

std::ostream & operator<< (std::ostream &out, solver const &s)
 

Additional Inherited Members

- Protected Attributes inherited from object
contextm_ctx
 

Detailed Description

Definition at line 2732 of file z3++.h.

Constructor & Destructor Documentation

solver ( context c)
inline

Definition at line 2742 of file z3++.h.

2742 :object(c) { init(Z3_mk_solver(c)); check_error(); }
Z3_solver Z3_API Z3_mk_solver(Z3_context c)
Create a new solver. This solver is a "combined solver" (see combined_solver module) that internally ...
Z3_error_code check_error() const
Definition: z3++.h:474
object(context &c)
Definition: z3++.h:472
solver ( context c,
simple   
)
inline

Definition at line 2743 of file z3++.h.

2743 :object(c) { init(Z3_mk_simple_solver(c)); check_error(); }
Z3_error_code check_error() const
Definition: z3++.h:474
object(context &c)
Definition: z3++.h:472
Z3_solver Z3_API Z3_mk_simple_solver(Z3_context c)
Create a new incremental solver.
solver ( context c,
Z3_solver  s 
)
inline

Definition at line 2744 of file z3++.h.

2744 :object(c) { init(s); }
object(context &c)
Definition: z3++.h:472
solver ( context c,
char const *  logic 
)
inline

Definition at line 2745 of file z3++.h.

2745 :object(c) { init(Z3_mk_solver_for_logic(c, c.str_symbol(logic))); check_error(); }
Z3_solver Z3_API Z3_mk_solver_for_logic(Z3_context c, Z3_symbol logic)
Create a new solver customized for the given logic. It behaves like Z3_mk_solver if the logic is unkn...
Z3_error_code check_error() const
Definition: z3++.h:474
object(context &c)
Definition: z3++.h:472
solver ( context c,
solver const &  src,
translate   
)
inline

Definition at line 2746 of file z3++.h.

2746 : object(c) { Z3_solver s = Z3_solver_translate(src.ctx(), src, c); check_error(); init(s); }
Z3_error_code check_error() const
Definition: z3++.h:474
Z3_solver Z3_API Z3_solver_translate(Z3_context source, Z3_solver s, Z3_context target)
Copy a solver s from the context source to the context target.
object(context &c)
Definition: z3++.h:472
solver ( solver const &  s)
inline

Definition at line 2747 of file z3++.h.

2747 :object(s) { init(s.m_solver); }
object(context &c)
Definition: z3++.h:472
solver ( solver const &  s,
simplifier const &  simp 
)
inline

Definition at line 3154 of file z3++.h.

3154 :object(s) { init(Z3_solver_add_simplifier(s.ctx(), s, simp)); }
object(context &c)
Definition: z3++.h:472
Z3_solver Z3_API Z3_solver_add_simplifier(Z3_context c, Z3_solver solver, Z3_simplifier simplifier)
Attach simplifier to a solver. The solver will use the simplifier for incremental pre-processing...
~solver ( )
inline

Definition at line 2749 of file z3++.h.

2749 { Z3_solver_dec_ref(ctx(), m_solver); }
context & ctx() const
Definition: z3++.h:473
void Z3_API Z3_solver_dec_ref(Z3_context c, Z3_solver s)
Decrement the reference counter of the given solver.

Member Function Documentation

void add ( expr const &  e)
inline

Definition at line 2777 of file z3++.h.

Referenced by solver::add().

2777 { assert(e.is_bool()); Z3_solver_assert(ctx(), m_solver, e); check_error(); }
Z3_error_code check_error() const
Definition: z3++.h:474
void Z3_API Z3_solver_assert(Z3_context c, Z3_solver s, Z3_ast a)
Assert a constraint into the solver.
context & ctx() const
Definition: z3++.h:473
void add ( expr const &  e,
expr const &  p 
)
inline

Definition at line 2778 of file z3++.h.

2778  {
2779  assert(e.is_bool()); assert(p.is_bool()); assert(p.is_const());
2780  Z3_solver_assert_and_track(ctx(), m_solver, e, p);
2781  check_error();
2782  }
Z3_error_code check_error() const
Definition: z3++.h:474
context & ctx() const
Definition: z3++.h:473
void Z3_API Z3_solver_assert_and_track(Z3_context c, Z3_solver s, Z3_ast a, Z3_ast p)
Assert a constraint a into the solver, and track it (in the unsat) core using the Boolean constant p...
void add ( expr const &  e,
char const *  p 
)
inline

Definition at line 2783 of file z3++.h.

2783  {
2784  add(e, ctx().bool_const(p));
2785  }
context & ctx() const
Definition: z3++.h:473
void add(expr const &e)
Definition: z3++.h:2777
void add ( expr_vector const &  v)
inline

Definition at line 2786 of file z3++.h.

2786  {
2787  check_context(*this, v);
2788  for (unsigned i = 0; i < v.size(); ++i)
2789  add(v[i]);
2790  }
void add(expr const &e)
Definition: z3++.h:2777
friend void check_context(object const &a, object const &b)
Definition: z3++.h:477
expr_vector assertions ( ) const
inline

Definition at line 2825 of file z3++.h.

Referenced by solver::to_smt2().

2825 { Z3_ast_vector r = Z3_solver_get_assertions(ctx(), m_solver); check_error(); return expr_vector(ctx(), r); }
Z3_ast_vector Z3_API Z3_solver_get_assertions(Z3_context c, Z3_solver s)
Return the set of asserted formulas on the solver.
Z3_error_code check_error() const
Definition: z3++.h:474
context & ctx() const
Definition: z3++.h:473
ast_vector_tpl< expr > expr_vector
Definition: z3++.h:76
check_result check ( )
inline

Definition at line 2794 of file z3++.h.

2794 { Z3_lbool r = Z3_solver_check(ctx(), m_solver); check_error(); return to_check_result(r); }
Z3_error_code check_error() const
Definition: z3++.h:474
context & ctx() const
Definition: z3++.h:473
Z3_lbool
Lifted Boolean type: false, undefined, true.
Definition: z3_api.h:60
Z3_lbool Z3_API Z3_solver_check(Z3_context c, Z3_solver s)
Check whether the assertions in a given solver are consistent or not.
check_result to_check_result(Z3_lbool l)
Definition: z3++.h:147
check_result check ( unsigned  n,
expr *const  assumptions 
)
inline

Definition at line 2795 of file z3++.h.

2795  {
2796  array<Z3_ast> _assumptions(n);
2797  for (unsigned i = 0; i < n; i++) {
2798  check_context(*this, assumptions[i]);
2799  _assumptions[i] = assumptions[i];
2800  }
2801  Z3_lbool r = Z3_solver_check_assumptions(ctx(), m_solver, n, _assumptions.ptr());
2802  check_error();
2803  return to_check_result(r);
2804  }
Z3_lbool Z3_API Z3_solver_check_assumptions(Z3_context c, Z3_solver s, unsigned num_assumptions, Z3_ast const assumptions[])
Check whether the assertions in the given solver and optional assumptions are consistent or not...
Z3_error_code check_error() const
Definition: z3++.h:474
context & ctx() const
Definition: z3++.h:473
Z3_lbool
Lifted Boolean type: false, undefined, true.
Definition: z3_api.h:60
friend void check_context(object const &a, object const &b)
Definition: z3++.h:477
check_result to_check_result(Z3_lbool l)
Definition: z3++.h:147
check_result check ( expr_vector const &  assumptions)
inline

Definition at line 2805 of file z3++.h.

2805  {
2806  unsigned n = assumptions.size();
2807  array<Z3_ast> _assumptions(n);
2808  for (unsigned i = 0; i < n; i++) {
2809  check_context(*this, assumptions[i]);
2810  _assumptions[i] = assumptions[i];
2811  }
2812  Z3_lbool r = Z3_solver_check_assumptions(ctx(), m_solver, n, _assumptions.ptr());
2813  check_error();
2814  return to_check_result(r);
2815  }
Z3_lbool Z3_API Z3_solver_check_assumptions(Z3_context c, Z3_solver s, unsigned num_assumptions, Z3_ast const assumptions[])
Check whether the assertions in the given solver and optional assumptions are consistent or not...
Z3_error_code check_error() const
Definition: z3++.h:474
context & ctx() const
Definition: z3++.h:473
Z3_lbool
Lifted Boolean type: false, undefined, true.
Definition: z3_api.h:60
friend void check_context(object const &a, object const &b)
Definition: z3++.h:477
check_result to_check_result(Z3_lbool l)
Definition: z3++.h:147
check_result consequences ( expr_vector assumptions,
expr_vector vars,
expr_vector conseq 
)
inline

Definition at line 2817 of file z3++.h.

2817  {
2818  Z3_lbool r = Z3_solver_get_consequences(ctx(), m_solver, assumptions, vars, conseq);
2819  check_error();
2820  return to_check_result(r);
2821  }
Z3_error_code check_error() const
Definition: z3++.h:474
context & ctx() const
Definition: z3++.h:473
Z3_lbool
Lifted Boolean type: false, undefined, true.
Definition: z3_api.h:60
check_result to_check_result(Z3_lbool l)
Definition: z3++.h:147
Z3_lbool Z3_API Z3_solver_get_consequences(Z3_context c, Z3_solver s, Z3_ast_vector assumptions, Z3_ast_vector variables, Z3_ast_vector consequences)
retrieve consequences from solver that determine values of the supplied function symbols.
expr_vector cube ( expr_vector vars,
unsigned  cutoff 
)
inline

Definition at line 2867 of file z3++.h.

2867  {
2868  Z3_ast_vector r = Z3_solver_cube(ctx(), m_solver, vars, cutoff);
2869  check_error();
2870  return expr_vector(ctx(), r);
2871  }
Z3_error_code check_error() const
Definition: z3++.h:474
Z3_ast_vector Z3_API Z3_solver_cube(Z3_context c, Z3_solver s, Z3_ast_vector vars, unsigned backtrack_level)
extract a next cube for a solver. The last cube is the constant true or false. The number of (non-con...
context & ctx() const
Definition: z3++.h:473
ast_vector_tpl< expr > expr_vector
Definition: z3++.h:76
cube_generator cubes ( )
inline

Definition at line 2954 of file z3++.h.

2954 { return cube_generator(*this); }
cube_generator cubes ( expr_vector vars)
inline

Definition at line 2955 of file z3++.h.

2955 { return cube_generator(*this, vars); }
std::string dimacs ( bool  include_names = true) const
inline

Definition at line 2862 of file z3++.h.

2862 { return std::string(Z3_solver_to_dimacs_string(ctx(), m_solver, include_names)); }
context & ctx() const
Definition: z3++.h:473
Z3_string Z3_API Z3_solver_to_dimacs_string(Z3_context c, Z3_solver s, bool include_names)
Convert a solver into a DIMACS formatted string.
void from_file ( char const *  file)
inline

Definition at line 2791 of file z3++.h.

2791 { Z3_solver_from_file(ctx(), m_solver, file); ctx().check_parser_error(); }
void check_parser_error() const
Definition: z3++.h:199
context & ctx() const
Definition: z3++.h:473
void Z3_API Z3_solver_from_file(Z3_context c, Z3_solver s, Z3_string file_name)
load solver assertions from a file.
void from_string ( char const *  s)
inline

Definition at line 2792 of file z3++.h.

2792 { Z3_solver_from_string(ctx(), m_solver, s); ctx().check_parser_error(); }
void check_parser_error() const
Definition: z3++.h:199
void Z3_API Z3_solver_from_string(Z3_context c, Z3_solver s, Z3_string file_name)
load solver assertions from a string.
context & ctx() const
Definition: z3++.h:473
model get_model ( ) const
inline

Definition at line 2816 of file z3++.h.

2816 { Z3_model m = Z3_solver_get_model(ctx(), m_solver); check_error(); return model(ctx(), m); }
Z3_error_code check_error() const
Definition: z3++.h:474
Z3_model Z3_API Z3_solver_get_model(Z3_context c, Z3_solver s)
Retrieve the model for the last Z3_solver_check or Z3_solver_check_assumptions.
context & ctx() const
Definition: z3++.h:473
param_descrs get_param_descrs ( )
inline

Definition at line 2864 of file z3++.h.

2864 { return param_descrs(ctx(), Z3_solver_get_param_descrs(ctx(), m_solver)); }
context & ctx() const
Definition: z3++.h:473
Z3_param_descrs Z3_API Z3_solver_get_param_descrs(Z3_context c, Z3_solver s)
Return the parameter description set for the given solver object.
expr_vector non_units ( ) const
inline

Definition at line 2826 of file z3++.h.

2826 { Z3_ast_vector r = Z3_solver_get_non_units(ctx(), m_solver); check_error(); return expr_vector(ctx(), r); }
Z3_error_code check_error() const
Definition: z3++.h:474
context & ctx() const
Definition: z3++.h:473
Z3_ast_vector Z3_API Z3_solver_get_non_units(Z3_context c, Z3_solver s)
Return the set of non units in the solver state.
ast_vector_tpl< expr > expr_vector
Definition: z3++.h:76
operator Z3_solver ( ) const
inline

Definition at line 2750 of file z3++.h.

2750 { return m_solver; }
solver& operator= ( solver const &  s)
inline

Definition at line 2751 of file z3++.h.

2751  {
2752  Z3_solver_inc_ref(s.ctx(), s.m_solver);
2753  Z3_solver_dec_ref(ctx(), m_solver);
2754  object::operator=(s);
2755  m_solver = s.m_solver;
2756  return *this;
2757  }
void Z3_API Z3_solver_inc_ref(Z3_context c, Z3_solver s)
Increment the reference counter of the given solver.
context & ctx() const
Definition: z3++.h:473
void Z3_API Z3_solver_dec_ref(Z3_context c, Z3_solver s)
Decrement the reference counter of the given solver.
void pop ( unsigned  n = 1)
inline

Definition at line 2775 of file z3++.h.

2775 { Z3_solver_pop(ctx(), m_solver, n); check_error(); }
void Z3_API Z3_solver_pop(Z3_context c, Z3_solver s, unsigned n)
Backtrack n backtracking points.
Z3_error_code check_error() const
Definition: z3++.h:474
context & ctx() const
Definition: z3++.h:473
expr proof ( ) const
inline

Definition at line 2839 of file z3++.h.

2839 { Z3_ast r = Z3_solver_get_proof(ctx(), m_solver); check_error(); return expr(ctx(), r); }
Z3_ast Z3_API Z3_solver_get_proof(Z3_context c, Z3_solver s)
Retrieve the proof for the last Z3_solver_check or Z3_solver_check_assumptions.
Z3_error_code check_error() const
Definition: z3++.h:474
context & ctx() const
Definition: z3++.h:473
void push ( )
inline

Create a backtracking point.

The solver contains a stack of assertions.

See also
Z3_solver_get_num_scopes
Z3_solver_pop

def_API('Z3_solver_push', VOID, (_in(CONTEXT), _in(SOLVER)))

Definition at line 2774 of file z3++.h.

2774 { Z3_solver_push(ctx(), m_solver); check_error(); }
void Z3_API Z3_solver_push(Z3_context c, Z3_solver s)
Create a backtracking point.
Z3_error_code check_error() const
Definition: z3++.h:474
context & ctx() const
Definition: z3++.h:473
std::string reason_unknown ( ) const
inline

Definition at line 2822 of file z3++.h.

2822 { Z3_string r = Z3_solver_get_reason_unknown(ctx(), m_solver); check_error(); return r; }
Z3_error_code check_error() const
Definition: z3++.h:474
context & ctx() const
Definition: z3++.h:473
Z3_string Z3_API Z3_solver_get_reason_unknown(Z3_context c, Z3_solver s)
Return a brief justification for an "unknown" result (i.e., Z3_L_UNDEF) for the commands Z3_solver_ch...
const char * Z3_string
Z3 string type. It is just an alias for const char *.
Definition: z3_api.h:53
void reset ( )
inline

Definition at line 2776 of file z3++.h.

2776 { Z3_solver_reset(ctx(), m_solver); check_error(); }
void Z3_API Z3_solver_reset(Z3_context c, Z3_solver s)
Remove all assertions from the solver.
Z3_error_code check_error() const
Definition: z3++.h:474
context & ctx() const
Definition: z3++.h:473
void set ( params const &  p)
inline

Definition at line 2758 of file z3++.h.

2758 { Z3_solver_set_params(ctx(), m_solver, p); check_error(); }
void Z3_API Z3_solver_set_params(Z3_context c, Z3_solver s, Z3_params p)
Set the given solver using the given parameters.
Z3_error_code check_error() const
Definition: z3++.h:474
context & ctx() const
Definition: z3++.h:473
void set ( char const *  k,
bool  v 
)
inline

Definition at line 2759 of file z3++.h.

Referenced by solver::set().

2759 { params p(ctx()); p.set(k, v); set(p); }
context & ctx() const
Definition: z3++.h:473
void set(params const &p)
Definition: z3++.h:2758
void set ( char const *  k,
unsigned  v 
)
inline

Definition at line 2760 of file z3++.h.

Referenced by solver::set().

2760 { params p(ctx()); p.set(k, v); set(p); }
context & ctx() const
Definition: z3++.h:473
void set(params const &p)
Definition: z3++.h:2758
void set ( char const *  k,
double  v 
)
inline

Definition at line 2761 of file z3++.h.

Referenced by solver::set().

2761 { params p(ctx()); p.set(k, v); set(p); }
context & ctx() const
Definition: z3++.h:473
void set(params const &p)
Definition: z3++.h:2758
void set ( char const *  k,
symbol const &  v 
)
inline

Definition at line 2762 of file z3++.h.

Referenced by solver::set().

2762 { params p(ctx()); p.set(k, v); set(p); }
context & ctx() const
Definition: z3++.h:473
void set(params const &p)
Definition: z3++.h:2758
void set ( char const *  k,
char const *  v 
)
inline

Definition at line 2763 of file z3++.h.

Referenced by solver::set().

2763 { params p(ctx()); p.set(k, v); set(p); }
context & ctx() const
Definition: z3++.h:473
void set(params const &p)
Definition: z3++.h:2758
stats statistics ( ) const
inline

Definition at line 2823 of file z3++.h.

2823 { Z3_stats r = Z3_solver_get_statistics(ctx(), m_solver); check_error(); return stats(ctx(), r); }
Z3_error_code check_error() const
Definition: z3++.h:474
Z3_stats Z3_API Z3_solver_get_statistics(Z3_context c, Z3_solver s)
Return statistics for the given solver.
context & ctx() const
Definition: z3++.h:473
std::string to_smt2 ( char const *  status = "unknown")
inline

Definition at line 2842 of file z3++.h.

2842  {
2843  array<Z3_ast> es(assertions());
2844  Z3_ast const* fmls = es.ptr();
2845  Z3_ast fml = 0;
2846  unsigned sz = es.size();
2847  if (sz > 0) {
2848  --sz;
2849  fml = fmls[sz];
2850  }
2851  else {
2852  fml = ctx().bool_val(true);
2853  }
2854  return std::string(Z3_benchmark_to_smtlib_string(
2855  ctx(),
2856  "", "", status, "",
2857  sz,
2858  fmls,
2859  fml));
2860  }
context & ctx() const
Definition: z3++.h:473
expr_vector assertions() const
Definition: z3++.h:2825
expr bool_val(bool b)
Definition: z3++.h:3740
Z3_string Z3_API Z3_benchmark_to_smtlib_string(Z3_context c, Z3_string name, Z3_string logic, Z3_string status, Z3_string attributes, unsigned num_assumptions, Z3_ast const assumptions[], Z3_ast formula)
Convert the given benchmark into SMT-LIB formatted string.
expr_vector trail ( ) const
inline

Definition at line 2828 of file z3++.h.

2828 { Z3_ast_vector r = Z3_solver_get_trail(ctx(), m_solver); check_error(); return expr_vector(ctx(), r); }
Z3_error_code check_error() const
Definition: z3++.h:474
context & ctx() const
Definition: z3++.h:473
ast_vector_tpl< expr > expr_vector
Definition: z3++.h:76
Z3_ast_vector Z3_API Z3_solver_get_trail(Z3_context c, Z3_solver s)
Return the trail modulo model conversion, in order of decision level The decision level can be retrie...
expr_vector trail ( array< unsigned > &  levels) const
inline

Definition at line 2829 of file z3++.h.

2829  {
2830  Z3_ast_vector r = Z3_solver_get_trail(ctx(), m_solver);
2831  check_error();
2832  expr_vector result(ctx(), r);
2833  unsigned sz = result.size();
2834  levels.resize(sz);
2835  Z3_solver_get_levels(ctx(), m_solver, r, sz, levels.ptr());
2836  check_error();
2837  return result;
2838  }
Z3_error_code check_error() const
Definition: z3++.h:474
context & ctx() const
Definition: z3++.h:473
void Z3_API Z3_solver_get_levels(Z3_context c, Z3_solver s, Z3_ast_vector literals, unsigned sz, unsigned levels[])
retrieve the decision depth of Boolean literals (variables or their negations). Assumes a check-sat c...
ast_vector_tpl< expr > expr_vector
Definition: z3++.h:76
Z3_ast_vector Z3_API Z3_solver_get_trail(Z3_context c, Z3_solver s)
Return the trail modulo model conversion, in order of decision level The decision level can be retrie...
expr_vector units ( ) const
inline

Definition at line 2827 of file z3++.h.

2827 { Z3_ast_vector r = Z3_solver_get_units(ctx(), m_solver); check_error(); return expr_vector(ctx(), r); }
Z3_error_code check_error() const
Definition: z3++.h:474
Z3_ast_vector Z3_API Z3_solver_get_units(Z3_context c, Z3_solver s)
Return the set of units modulo model conversion.
context & ctx() const
Definition: z3++.h:473
ast_vector_tpl< expr > expr_vector
Definition: z3++.h:76
expr_vector unsat_core ( ) const
inline

Definition at line 2824 of file z3++.h.

2824 { Z3_ast_vector r = Z3_solver_get_unsat_core(ctx(), m_solver); check_error(); return expr_vector(ctx(), r); }
Z3_error_code check_error() const
Definition: z3++.h:474
context & ctx() const
Definition: z3++.h:473
Z3_ast_vector Z3_API Z3_solver_get_unsat_core(Z3_context c, Z3_solver s)
Retrieve the unsat core for the last Z3_solver_check_assumptions The unsat core is a subset of the as...
ast_vector_tpl< expr > expr_vector
Definition: z3++.h:76

Friends And Related Function Documentation

std::ostream& operator<< ( std::ostream &  out,
solver const &  s 
)
friend

Definition at line 2958 of file z3++.h.

2958 { out << Z3_solver_to_string(s.ctx(), s); return out; }
Z3_string Z3_API Z3_solver_to_string(Z3_context c, Z3_solver s)
Convert a solver into a string.