tvt z3_propt::l_get(literalt a) const
{
tvt result=tvt(false);
std::string literal;
Z3_ast z3_literal;
size_t found;
if(a.is_true())
return tvt(true);
else if(a.is_false())
return tvt(false);
literal = "l"+i2string(a.var_no());
map_prop_varst::const_iterator cache_result=map_prop_vars.find(literal.c_str());
if(cache_result!=map_prop_vars.end())
{
//std::cout << "Cache hit on " << cache_result->first << "\n";
z3_literal = cache_result->second;
Z3_app app = Z3_to_app(z3_ctx, z3_literal);
Z3_func_decl d = Z3_get_app_decl(z3_ctx, app);
literal = Z3_func_decl_to_string(z3_ctx, d);
found=literal.find("true");
if (found!=std::string::npos)
result=tvt(true);
else
result=tvt(false);
}
if (a.sign()) result=!result;
return result;
}
void display_solver_term(SOLVER_CONTEXT ctx, FILE * out, SOLVER_TERM term){
Z3_context c = (Z3_context) ctx;
Z3_ast v = (Z3_ast) term;
switch (Z3_get_ast_kind(c, v)) {
case Z3_NUMERAL_AST: {
Z3_sort t;
fprintf(out, "%s", Z3_get_numeral_string(c, v));
t = Z3_get_sort(c, v);
fprintf(out, ":");
display_sort(c, out, t);
break;
}
case Z3_APP_AST: {
unsigned i;
Z3_app app = Z3_to_app(c, v);
unsigned num_fields = Z3_get_app_num_args(c, app);
Z3_func_decl d = Z3_get_app_decl(c, app);
fprintf(out, "%s", Z3_func_decl_to_string(c, d));
if (num_fields > 0) {
fprintf(out, "[");
for (i = 0; i < num_fields; i++) {
if (i > 0) {
fprintf(out, ", ");
}
display_solver_term((SOLVER_CONTEXT) c,
out,
(SOLVER_TERM) Z3_get_app_arg(c, app, i));
}
fprintf(out, "]");
}
break;
}
case Z3_QUANTIFIER_AST: {
fprintf(out, "quantifier");
;
}
default:
fprintf(out, "#unknown");
}
}
