#include "expr_substitution.h" #include "front_end_params.h" #include "substitution.h" #include "unifier.h" #include "bv_decl_plugin.h" #include "ast_pp.h" #include "arith_decl_plugin.h" void tst_substitution() { memory::initialize(0); front_end_params params; params.m_model = true; enable_trace("subst_bug"); ast_manager m; m.register_decl_plugins(); var_ref v1(m.mk_var(0, m.mk_bool_sort()), m); var_ref v2(m.mk_var(1, m.mk_bool_sort()), m); substitution subst(m); subst.reserve(1,2); unifier unif(m); bool ok1 = unif(v1.get(), v2.get(), subst, false); bool ok2 = unif(v2.get(), v1.get(), subst, false); expr_ref res(m); TRACE("substitution", subst.display(tout);); TRACE("substitution", tout << ok1 << " " << ok2 << "\n";); subst.display(std::cout); subst.apply(v1.get(), res); }