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 ()
 
 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 ()
 
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 2663 of file z3++.h.

Constructor & Destructor Documentation

◆ solver() [1/6]

solver ( context c)
inline

Definition at line 2673 of file z3++.h.

2673 :object(c) { init(Z3_mk_solver(c)); }

◆ solver() [2/6]

solver ( context c,
simple   
)
inline

Definition at line 2674 of file z3++.h.

2674 :object(c) { init(Z3_mk_simple_solver(c)); }

◆ solver() [3/6]

solver ( context c,
Z3_solver  s 
)
inline

Definition at line 2675 of file z3++.h.

2675 :object(c) { init(s); }

◆ solver() [4/6]

solver ( context c,
char const *  logic 
)
inline

Definition at line 2676 of file z3++.h.

2676 :object(c) { init(Z3_mk_solver_for_logic(c, c.str_symbol(logic))); }

◆ solver() [5/6]

solver ( context c,
solver const &  src,
translate   
)
inline

Definition at line 2677 of file z3++.h.

2677 : object(c) { Z3_solver s = Z3_solver_translate(src.ctx(), src, c); check_error(); init(s); }

◆ solver() [6/6]

solver ( solver const &  s)
inline

Definition at line 2678 of file z3++.h.

2678 :object(s) { init(s.m_solver); }

◆ ~solver()

~solver ( )
inline

Definition at line 2679 of file z3++.h.

2679 { Z3_solver_dec_ref(ctx(), m_solver); }

Member Function Documentation

◆ add() [1/4]

void add ( expr const &  e)
inline

Definition at line 2697 of file z3++.h.

2697 { assert(e.is_bool()); Z3_solver_assert(ctx(), m_solver, e); check_error(); }

Referenced by solver::add().

◆ add() [2/4]

void add ( expr const &  e,
char const *  p 
)
inline

Definition at line 2703 of file z3++.h.

2703  {
2704  add(e, ctx().bool_const(p));
2705  }

◆ add() [3/4]

void add ( expr const &  e,
expr const &  p 
)
inline

Definition at line 2698 of file z3++.h.

2698  {
2699  assert(e.is_bool()); assert(p.is_bool()); assert(p.is_const());
2700  Z3_solver_assert_and_track(ctx(), m_solver, e, p);
2701  check_error();
2702  }

◆ add() [4/4]

void add ( expr_vector const &  v)
inline

Definition at line 2706 of file z3++.h.

2706  {
2707  check_context(*this, v);
2708  for (unsigned i = 0; i < v.size(); ++i)
2709  add(v[i]);
2710  }

◆ assertions()

expr_vector assertions ( ) const
inline

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

2745 { Z3_ast_vector r = Z3_solver_get_assertions(ctx(), m_solver); check_error(); return expr_vector(ctx(), r); }

Referenced by solver::to_smt2().

◆ check() [1/3]

check_result check ( )
inline

Definition at line 2714 of file z3++.h.

2714 { Z3_lbool r = Z3_solver_check(ctx(), m_solver); check_error(); return to_check_result(r); }

◆ check() [2/3]

check_result check ( expr_vector const &  assumptions)
inline

Definition at line 2725 of file z3++.h.

2725  {
2726  unsigned n = assumptions.size();
2727  array<Z3_ast> _assumptions(n);
2728  for (unsigned i = 0; i < n; i++) {
2729  check_context(*this, assumptions[i]);
2730  _assumptions[i] = assumptions[i];
2731  }
2732  Z3_lbool r = Z3_solver_check_assumptions(ctx(), m_solver, n, _assumptions.ptr());
2733  check_error();
2734  return to_check_result(r);
2735  }

◆ check() [3/3]

check_result check ( unsigned  n,
expr *const  assumptions 
)
inline

Definition at line 2715 of file z3++.h.

2715  {
2716  array<Z3_ast> _assumptions(n);
2717  for (unsigned i = 0; i < n; i++) {
2718  check_context(*this, assumptions[i]);
2719  _assumptions[i] = assumptions[i];
2720  }
2721  Z3_lbool r = Z3_solver_check_assumptions(ctx(), m_solver, n, _assumptions.ptr());
2722  check_error();
2723  return to_check_result(r);
2724  }

◆ consequences()

check_result consequences ( expr_vector assumptions,
expr_vector vars,
expr_vector conseq 
)
inline

Definition at line 2737 of file z3++.h.

2737  {
2738  Z3_lbool r = Z3_solver_get_consequences(ctx(), m_solver, assumptions, vars, conseq);
2739  check_error();
2740  return to_check_result(r);
2741  }

◆ cube()

expr_vector cube ( expr_vector vars,
unsigned  cutoff 
)
inline

Definition at line 2787 of file z3++.h.

2787  {
2788  Z3_ast_vector r = Z3_solver_cube(ctx(), m_solver, vars, cutoff);
2789  check_error();
2790  return expr_vector(ctx(), r);
2791  }

◆ cubes() [1/2]

cube_generator cubes ( )
inline

Definition at line 2874 of file z3++.h.

2874 { return cube_generator(*this); }

◆ cubes() [2/2]

cube_generator cubes ( expr_vector vars)
inline

Definition at line 2875 of file z3++.h.

2875 { return cube_generator(*this, vars); }

◆ dimacs()

std::string dimacs ( bool  include_names = true) const
inline

Definition at line 2782 of file z3++.h.

2782 { return std::string(Z3_solver_to_dimacs_string(ctx(), m_solver, include_names)); }

◆ from_file()

void from_file ( char const *  file)
inline

Definition at line 2711 of file z3++.h.

2711 { Z3_solver_from_file(ctx(), m_solver, file); ctx().check_parser_error(); }

◆ from_string()

void from_string ( char const *  s)
inline

Definition at line 2712 of file z3++.h.

2712 { Z3_solver_from_string(ctx(), m_solver, s); ctx().check_parser_error(); }

◆ get_model()

model get_model ( ) const
inline

Definition at line 2736 of file z3++.h.

2736 { Z3_model m = Z3_solver_get_model(ctx(), m_solver); check_error(); return model(ctx(), m); }

◆ get_param_descrs()

param_descrs get_param_descrs ( )
inline

Definition at line 2784 of file z3++.h.

2784 { return param_descrs(ctx(), Z3_solver_get_param_descrs(ctx(), m_solver)); }

◆ non_units()

expr_vector non_units ( ) const
inline

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

2746 { Z3_ast_vector r = Z3_solver_get_non_units(ctx(), m_solver); check_error(); return expr_vector(ctx(), r); }

◆ operator Z3_solver()

operator Z3_solver ( ) const
inline

Definition at line 2680 of file z3++.h.

2680 { return m_solver; }

◆ operator=()

solver& operator= ( solver const &  s)
inline

Definition at line 2681 of file z3++.h.

2681  {
2682  Z3_solver_inc_ref(s.ctx(), s.m_solver);
2683  Z3_solver_dec_ref(ctx(), m_solver);
2684  object::operator=(s);
2685  m_solver = s.m_solver;
2686  return *this;
2687  }

◆ pop()

void pop ( unsigned  n = 1)
inline

Definition at line 2695 of file z3++.h.

2695 { Z3_solver_pop(ctx(), m_solver, n); check_error(); }

◆ proof()

expr proof ( ) const
inline

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

2759 { Z3_ast r = Z3_solver_get_proof(ctx(), m_solver); check_error(); return expr(ctx(), r); }

◆ push()

void push ( )
inline

Definition at line 2694 of file z3++.h.

2694 { Z3_solver_push(ctx(), m_solver); check_error(); }

◆ reason_unknown()

std::string reason_unknown ( ) const
inline

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

2742 { Z3_string r = Z3_solver_get_reason_unknown(ctx(), m_solver); check_error(); return r; }

◆ reset()

void reset ( )
inline

Definition at line 2696 of file z3++.h.

2696 { Z3_solver_reset(ctx(), m_solver); check_error(); }

◆ set() [1/6]

void set ( char const *  k,
bool  v 
)
inline

Definition at line 2689 of file z3++.h.

2689 { params p(ctx()); p.set(k, v); set(p); }

Referenced by solver::set().

◆ set() [2/6]

void set ( char const *  k,
char const *  v 
)
inline

Definition at line 2693 of file z3++.h.

2693 { params p(ctx()); p.set(k, v); set(p); }

Referenced by solver::set().

◆ set() [3/6]

void set ( char const *  k,
double  v 
)
inline

Definition at line 2691 of file z3++.h.

2691 { params p(ctx()); p.set(k, v); set(p); }

Referenced by solver::set().

◆ set() [4/6]

void set ( char const *  k,
symbol const &  v 
)
inline

Definition at line 2692 of file z3++.h.

2692 { params p(ctx()); p.set(k, v); set(p); }

Referenced by solver::set().

◆ set() [5/6]

void set ( char const *  k,
unsigned  v 
)
inline

Definition at line 2690 of file z3++.h.

2690 { params p(ctx()); p.set(k, v); set(p); }

Referenced by solver::set().

◆ set() [6/6]

void set ( params const &  p)
inline

Definition at line 2688 of file z3++.h.

2688 { Z3_solver_set_params(ctx(), m_solver, p); check_error(); }

◆ statistics()

stats statistics ( ) const
inline

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

2743 { Z3_stats r = Z3_solver_get_statistics(ctx(), m_solver); check_error(); return stats(ctx(), r); }

◆ to_smt2()

std::string to_smt2 ( char const *  status = "unknown")
inline

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

2762  {
2763  array<Z3_ast> es(assertions());
2764  Z3_ast const* fmls = es.ptr();
2765  Z3_ast fml = 0;
2766  unsigned sz = es.size();
2767  if (sz > 0) {
2768  --sz;
2769  fml = fmls[sz];
2770  }
2771  else {
2772  fml = ctx().bool_val(true);
2773  }
2774  return std::string(Z3_benchmark_to_smtlib_string(
2775  ctx(),
2776  "", "", status, "",
2777  sz,
2778  fmls,
2779  fml));
2780  }

◆ trail() [1/2]

expr_vector trail ( ) const
inline

Definition at line 2748 of file z3++.h.

2748 { Z3_ast_vector r = Z3_solver_get_trail(ctx(), m_solver); check_error(); return expr_vector(ctx(), r); }

◆ trail() [2/2]

expr_vector trail ( array< unsigned > &  levels) const
inline

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

2749  {
2750  Z3_ast_vector r = Z3_solver_get_trail(ctx(), m_solver);
2751  check_error();
2752  expr_vector result(ctx(), r);
2753  unsigned sz = result.size();
2754  levels.resize(sz);
2755  Z3_solver_get_levels(ctx(), m_solver, r, sz, levels.ptr());
2756  check_error();
2757  return result;
2758  }

◆ units()

expr_vector units ( ) const
inline

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

2747 { Z3_ast_vector r = Z3_solver_get_units(ctx(), m_solver); check_error(); return expr_vector(ctx(), r); }

◆ unsat_core()

expr_vector unsat_core ( ) const
inline

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

2744 { Z3_ast_vector r = Z3_solver_get_unsat_core(ctx(), m_solver); check_error(); return expr_vector(ctx(), r); }

Friends And Related Function Documentation

◆ operator<<

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

Definition at line 2878 of file z3++.h.

2878 { out << Z3_solver_to_string(s.ctx(), s); return out; }
Z3_solver_get_assertions
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_solver_translate
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.
z3::solver::assertions
expr_vector assertions() const
Definition: z3++.h:2745
Microsoft.Z3.Z3_stats
System.IntPtr Z3_stats
Definition: NativeContext.cs:34
Z3_solver_dec_ref
void Z3_API Z3_solver_dec_ref(Z3_context c, Z3_solver s)
Decrement the reference counter of the given solver.
Z3_mk_solver_for_logic
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_solver_get_proof
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_solver_assert
void Z3_API Z3_solver_assert(Z3_context c, Z3_solver s, Z3_ast a)
Assert a constraint into the solver.
Z3_string
const typedef char * Z3_string
Z3 string type. It is just an alias for const char *.
Definition: z3_api.h:52
Z3_solver_get_units
Z3_ast_vector Z3_API Z3_solver_get_units(Z3_context c, Z3_solver s)
Return the set of units modulo model conversion.
Z3_solver_get_levels
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...
Z3_solver_assert_and_track
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.
Z3_solver_from_string
void Z3_API Z3_solver_from_string(Z3_context c, Z3_solver s, Z3_string file_name)
load solver assertions from a string.
Microsoft.Z3.Z3_model
System.IntPtr Z3_model
Definition: NativeFuncInterp.cs:31
Microsoft.Z3.Z3_solver
System.IntPtr Z3_solver
Definition: NativeContext.cs:32
Z3_solver_get_model
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.
Z3_solver_reset
void Z3_API Z3_solver_reset(Z3_context c, Z3_solver s)
Remove all assertions from the solver.
z3::object::object
object(context &c)
Definition: z3++.h:450
z3::solver::add
void add(expr const &e)
Definition: z3++.h:2697
z3::context::bool_val
expr bool_val(bool b)
Definition: z3++.h:3601
Microsoft.Z3.Z3_ast_vector
System.IntPtr Z3_ast_vector
Definition: NativeContext.cs:29
Z3_solver_get_consequences
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.
Z3_lbool
Z3_lbool
Lifted Boolean type: false, undefined, true.
Definition: z3_api.h:59
Z3_solver_push
void Z3_API Z3_solver_push(Z3_context c, Z3_solver s)
Create a backtracking point.
Z3_solver_set_params
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_solver_check_assumptions
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_solver_pop
void Z3_API Z3_solver_pop(Z3_context c, Z3_solver s, unsigned n)
Backtrack n backtracking points.
z3::context::check_parser_error
void check_parser_error() const
Definition: z3++.h:197
Z3_solver_inc_ref
void Z3_API Z3_solver_inc_ref(Z3_context c, Z3_solver s)
Increment the reference counter of the given solver.
z3::expr_vector
ast_vector_tpl< expr > expr_vector
Definition: z3++.h:75
Z3_solver_from_file
void Z3_API Z3_solver_from_file(Z3_context c, Z3_solver s, Z3_string file_name)
load solver assertions from a file.
Z3_solver_get_reason_unknown
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...
Z3_solver_get_trail
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...
z3::object::check_context
friend void check_context(object const &a, object const &b)
Definition: z3++.h:455
Z3_benchmark_to_smtlib_string
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.
z3::solver::set
void set(params const &p)
Definition: z3++.h:2688
Z3_solver_get_statistics
Z3_stats Z3_API Z3_solver_get_statistics(Z3_context c, Z3_solver s)
Return statistics for the given solver.
z3::to_check_result
check_result to_check_result(Z3_lbool l)
Definition: z3++.h:146
Z3_mk_solver
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 ...
Microsoft.Z3.Z3_ast
System.IntPtr Z3_ast
Definition: NativeContext.cs:28
Z3_solver_get_non_units
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.
Z3_solver_get_param_descrs
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.
Z3_solver_get_unsat_core
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...
Z3_solver_cube
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...
z3::object::check_error
Z3_error_code check_error() const
Definition: z3++.h:452
Z3_mk_simple_solver
Z3_solver Z3_API Z3_mk_simple_solver(Z3_context c)
Create a new incremental solver.
Z3_solver_to_dimacs_string
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.
z3::object::ctx
context & ctx() const
Definition: z3++.h:451
Z3_solver_check
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.
Z3_solver_to_string
Z3_string Z3_API Z3_solver_to_string(Z3_context c, Z3_solver s)
Convert a solver into a string.