bool Z3Expr::operator == (const Z3Object& Other) const
{
auto AsZ3Expr = dynamic_cast<const Z3Expr*>(&Other);
if (AsZ3Expr == nullptr) {
return false;
}
if (Ctx == nullptr || AST == nullptr) {
return (Ctx == AsZ3Expr->Ctx && AST == AsZ3Expr->AST);
} else {
return (Ctx == AsZ3Expr->Ctx && Z3_is_eq_ast(Ctx, AST, AsZ3Expr->AST));
}
}
bool Z3Expr::operator == (const Z3Object& Other) const
{
auto OtherPtr = Other.As<Z3Expr>();
if (OtherPtr == nullptr) {
return false;
}
if (Ctx != OtherPtr->Ctx) {
return false;
}
if (Ctx == Z3Ctx::NullPtr) {
return true;
}
return (Z3_is_eq_ast(*Ctx, AST, OtherPtr->AST));
}
/**
\brief Return the number of soft-constraints that were disable by the given model.
A soft-constraint was disabled if the associated auxiliary variable was assigned to true.
*/
unsigned get_num_disabled_soft_constraints(Z3_context ctx, Z3_model m, unsigned num_soft_cnstrs, Z3_ast * aux_vars)
{
unsigned i;
unsigned num_disabled = 0;
Z3_ast t = Z3_mk_true(ctx);
for (i = 0; i < num_soft_cnstrs; i++) {
Z3_ast val;
if (Z3_model_eval(ctx, m, aux_vars[i], 1, &val) == true) {
// printf("%s", Z3_ast_to_string(ctx, aux_vars[i]));
// printf(" -> %s\n", Z3_ast_to_string(ctx, val));
if (Z3_is_eq_ast(ctx, val, t)) {
num_disabled++;
}
}
}
return num_disabled;
}
int find_core_assumption_index(Z3_context ctx, Z3_ast * assumptions, unsigned n, Z3_ast p){
int i;
for(i=0;i<n;i++){
if ( Z3_is_eq_ast(ctx,assumptions[i],p) )
return i;
}
fprintf(stderr,"BUG: find_core_assumption_index. \n");
fprintf(stderr," %s not found\n",Z3_ast_to_string(ctx, p));
for(i=0;i<n;i++){
fprintf(stderr," %s | ",Z3_ast_to_string(ctx,assumptions[i]));
}
fprintf(stderr,"\n");
exit(1);
}
