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reworking cancellation

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2015-12-11 16:43:48 -08:00 • committed by Christoph M. Wintersteiger
parent 9769322690
commit a9723fb6c7
13 changed files with 42 additions and 47 deletions
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1
src/cmd_context/cmd_context.cpp
View file

@ -353,7 +353,6 @@ cmd_context::~cmd_context() {
void cmd_context::set_cancel(bool f) {
if (has_manager()) {
m().set_cancel(f);
if (f) {
m().limit().cancel();
}

2
src/cmd_context/extra_cmds/subpaving_cmds.cpp
View file

@ -27,7 +27,7 @@ static void to_subpaving(cmd_context & ctx, expr * t) {
ast_manager & m = ctx.m();
unsynch_mpq_manager qm;
scoped_ptr<subpaving::context> s;
s = subpaving::mk_mpq_context(qm);
s = subpaving::mk_mpq_context(ctx.m().limit(), qm);
expr2var e2v(m);
expr2subpaving e2s(m, *s, &e2v);
params_ref p;

2
src/cmd_context/simplify_cmd.cpp
View file

@ -74,7 +74,7 @@ public:
unsigned num_steps = 0;
unsigned timeout = m_params.get_uint("timeout", UINT_MAX);
bool failed = false;
cancel_eh<th_rewriter> eh(s);
cancel_eh<reslimit> eh(ctx.m().limit());
{
scoped_ctrl_c ctrlc(eh);
scoped_timer timer(timeout, &eh);

2
src/math/interval/interval_def.h
View file

@ -62,7 +62,7 @@ void interval_manager<C>::del(interval & a) {
template<typename C>
void interval_manager<C>::checkpoint() {
if (m_limit.canceled())
if (!m_limit.inc())
throw default_exception("canceled");
cooperate("interval");
}

4
src/math/realclosure/realclosure.cpp
View file

@ -501,8 +501,8 @@ namespace realclosure {
m_qm(qm),
m_mm(m_qm, *m_allocator),
m_bqm(m_qm),
m_qim(m_qm),
m_bqim(m_bqm),
m_qim(lim, m_qm),
m_bqim(lim, m_bqm),
m_plus_inf_approx(m_bqm),
m_minus_inf_approx(m_bqm) {
mpq one(1);

39
src/math/subpaving/subpaving.cpp
View file

@ -37,7 +37,7 @@ namespace subpaving {
protected:
CTX m_ctx;
public:
context_wrapper(typename CTX::numeral_manager & m, params_ref const & p, small_object_allocator * a):m_ctx(m, p, a) {}
context_wrapper(reslimit& lim, typename CTX::numeral_manager & m, params_ref const & p, small_object_allocator * a):m_ctx(lim, m, p, a) {}
virtual ~context_wrapper() {}
virtual unsigned num_vars() const { return m_ctx.num_vars(); }
virtual var mk_var(bool is_int) { return m_ctx.mk_var(is_int); }
@ -47,7 +47,6 @@ namespace subpaving {
virtual void dec_ref(ineq * a) { m_ctx.dec_ref(reinterpret_cast<typename CTX::ineq*>(a)); }
virtual void add_clause(unsigned sz, ineq * const * atoms) { m_ctx.add_clause(sz, reinterpret_cast<typename CTX::ineq * const *>(atoms)); }
virtual void display_constraints(std::ostream & out, bool use_star) const { m_ctx.display_constraints(out, use_star); }
virtual void set_cancel(bool f) { m_ctx.set_cancel(f); }
virtual void set_display_proc(display_var_proc * p) { m_ctx.set_display_proc(p); }
virtual void reset_statistics() { m_ctx.reset_statistics(); }
virtual void collect_statistics(statistics & st) const { m_ctx.collect_statistics(st); }
@ -61,8 +60,8 @@ namespace subpaving {
scoped_mpq m_c;
scoped_mpq_vector m_as;
public:
context_mpq_wrapper(unsynch_mpq_manager & m, params_ref const & p, small_object_allocator * a):
context_wrapper<context_mpq>(m, p, a),
context_mpq_wrapper(reslimit& lim, unsynch_mpq_manager & m, params_ref const & p, small_object_allocator * a):
context_wrapper<context_mpq>(lim, m, p, a),
m_c(m),
m_as(m)
{}
@ -100,8 +99,8 @@ namespace subpaving {
}
public:
context_mpf_wrapper(f2n<mpf_manager> & fm, params_ref const & p, small_object_allocator * a):
context_wrapper<context_mpf>(fm, p, a),
context_mpf_wrapper(reslimit& lim, f2n<mpf_manager> & fm, params_ref const & p, small_object_allocator * a):
context_wrapper<context_mpf>(lim, fm, p, a),
m_qm(fm.m().mpq_manager()),
m_c(fm.m()),
m_as(fm.m()),
@ -161,8 +160,8 @@ namespace subpaving {
}
public:
context_hwf_wrapper(f2n<hwf_manager> & fm, unsynch_mpq_manager & qm, params_ref const & p, small_object_allocator * a):
context_wrapper<context_hwf>(fm, p, a),
context_hwf_wrapper(reslimit& lim,f2n<hwf_manager> & fm, unsynch_mpq_manager & qm, params_ref const & p, small_object_allocator * a):
context_wrapper<context_hwf>(lim, fm, p, a),
m_qm(qm) {
}
@ -215,8 +214,8 @@ namespace subpaving {
}
public:
context_fpoint_wrapper(typename context_fpoint::numeral_manager & m, unsynch_mpq_manager & qm, params_ref const & p, small_object_allocator * a):
context_wrapper<context_fpoint>(m, p, a),
context_fpoint_wrapper(reslimit& lim, typename context_fpoint::numeral_manager & m, unsynch_mpq_manager & qm, params_ref const & p, small_object_allocator * a):
context_wrapper<context_fpoint>(lim, m, p, a),
m_qm(qm),
m_c(m),
m_as(m),
@ -261,24 +260,24 @@ namespace subpaving {
typedef context_fpoint_wrapper<context_mpff> context_mpff_wrapper;
typedef context_fpoint_wrapper<context_mpfx> context_mpfx_wrapper;
context * mk_mpq_context(unsynch_mpq_manager & m, params_ref const & p, small_object_allocator * a) {
return alloc(context_mpq_wrapper, m, p, a);
context * mk_mpq_context(reslimit& lim, unsynch_mpq_manager & m, params_ref const & p, small_object_allocator * a) {
return alloc(context_mpq_wrapper, lim, m, p, a);
}
context * mk_mpf_context(f2n<mpf_manager> & m, params_ref const & p, small_object_allocator * a) {
return alloc(context_mpf_wrapper, m, p, a);
context * mk_mpf_context(reslimit& lim, f2n<mpf_manager> & m, params_ref const & p, small_object_allocator * a) {
return alloc(context_mpf_wrapper, lim, m, p, a);
}
context * mk_hwf_context(f2n<hwf_manager> & m, unsynch_mpq_manager & qm, params_ref const & p, small_object_allocator * a) {
return alloc(context_hwf_wrapper, m, qm, p, a);
context * mk_hwf_context(reslimit& lim, f2n<hwf_manager> & m, unsynch_mpq_manager & qm, params_ref const & p, small_object_allocator * a) {
return alloc(context_hwf_wrapper, lim, m, qm, p, a);
}
context * mk_mpff_context(mpff_manager & m, unsynch_mpq_manager & qm, params_ref const & p, small_object_allocator * a) {
return alloc(context_mpff_wrapper, m, qm, p, a);
context * mk_mpff_context(reslimit& lim, mpff_manager & m, unsynch_mpq_manager & qm, params_ref const & p, small_object_allocator * a) {
return alloc(context_mpff_wrapper, lim, m, qm, p, a);
}
context * mk_mpfx_context(mpfx_manager & m, unsynch_mpq_manager & qm, params_ref const & p, small_object_allocator * a) {
return alloc(context_mpfx_wrapper, m, qm, p, a);
context * mk_mpfx_context(reslimit& lim, mpfx_manager & m, unsynch_mpq_manager & qm, params_ref const & p, small_object_allocator * a) {
return alloc(context_mpfx_wrapper, lim, m, qm, p, a);
}
};

11
src/math/subpaving/subpaving.h
View file

@ -95,7 +95,6 @@ public:
*/
virtual void display_constraints(std::ostream & out, bool use_star = false) const = 0;
virtual void set_cancel(bool f) = 0;
virtual void collect_param_descrs(param_descrs & r) = 0;
@ -112,11 +111,11 @@ public:
virtual void display_bounds(std::ostream & out) const = 0;
};
context * mk_mpq_context(unsynch_mpq_manager & m, params_ref const & p = params_ref(), small_object_allocator * a = 0);
context * mk_mpf_context(f2n<mpf_manager> & m, params_ref const & p = params_ref(), small_object_allocator * a = 0);
context * mk_hwf_context(f2n<hwf_manager> & m, unsynch_mpq_manager & qm, params_ref const & p = params_ref(), small_object_allocator * a = 0);
context * mk_mpff_context(mpff_manager & m, unsynch_mpq_manager & qm, params_ref const & p = params_ref(), small_object_allocator * a = 0);
context * mk_mpfx_context(mpfx_manager & m, unsynch_mpq_manager & qm, params_ref const & p = params_ref(), small_object_allocator * a = 0);
context * mk_mpq_context(reslimit& lim, unsynch_mpq_manager & m, params_ref const & p = params_ref(), small_object_allocator * a = 0);
context * mk_mpf_context(reslimit& lim, f2n<mpf_manager> & m, params_ref const & p = params_ref(), small_object_allocator * a = 0);
context * mk_hwf_context(reslimit& lim, f2n<hwf_manager> & m, unsynch_mpq_manager & qm, params_ref const & p = params_ref(), small_object_allocator * a = 0);
context * mk_mpff_context(reslimit& lim, mpff_manager & m, unsynch_mpq_manager & qm, params_ref const & p = params_ref(), small_object_allocator * a = 0);
context * mk_mpfx_context(reslimit& lim, mpfx_manager & m, unsynch_mpq_manager & qm, params_ref const & p = params_ref(), small_object_allocator * a = 0);
};

2
src/math/subpaving/subpaving_hwf.h
View file

@ -40,7 +40,7 @@ public:
class context_hwf : public context_t<config_hwf> {
public:
context_hwf(f2n<hwf_manager> & m, params_ref const & p, small_object_allocator * a):context_t<config_hwf>(config_hwf(m), p, a) {}
context_hwf(reslimit& lim, f2n<hwf_manager> & m, params_ref const & p, small_object_allocator * a):context_t<config_hwf>(lim, config_hwf(m), p, a) {}
};
};

2
src/math/subpaving/subpaving_mpf.h
View file

@ -41,7 +41,7 @@ public:
class context_mpf : public context_t<config_mpf> {
public:
context_mpf(f2n<mpf_manager> & m, params_ref const & p, small_object_allocator * a):context_t<config_mpf>(config_mpf(m), p, a) {}
context_mpf(reslimit& lim, f2n<mpf_manager> & m, params_ref const & p, small_object_allocator * a):context_t<config_mpf>(lim, config_mpf(m), p, a) {}
};
};

1
src/math/subpaving/subpaving_t.h
View file

@ -467,6 +467,7 @@ public:
typedef _scoped_numeral_vector<numeral_manager> scoped_numeral_vector;
private:
reslimit& m_limit;
C m_c;
bool m_arith_failed; //!< True if the arithmetic module produced an exception.
bool m_own_allocator;

7
src/math/subpaving/subpaving_t_def.h
View file

@ -413,12 +413,13 @@ void context_t<C>::polynomial::display(std::ostream & out, numeral_manager & nm,
}
template<typename C>
context_t<C>::context_t(C const & c, params_ref const & p, small_object_allocator * a):
context_t<C>::context_t(reslimit& lim, C const & c, params_ref const & p, small_object_allocator * a):
m_limit(lim),
m_c(c),
m_own_allocator(a == 0),
m_allocator(a == 0 ? alloc(small_object_allocator, "subpaving") : a),
m_bm(*this, *m_allocator),
m_im(interval_config(m_c.m())),
m_im(lim, interval_config(m_c.m())),
m_num_buffer(nm()) {
m_arith_failed = false;
m_timestamp = 0;
@ -458,7 +459,7 @@ context_t<C>::~context_t() {
template<typename C>
void context_t<C>::checkpoint() {
if (m_limit.canceled())
if (!m_limit.inc())
throw default_exception("canceled");
if (memory::get_allocation_size() > m_max_memory)
throw default_exception(Z3_MAX_MEMORY_MSG);

14
src/math/subpaving/tactic/subpaving_tactic.cpp
View file

@ -103,11 +103,11 @@ class subpaving_tactic : public tactic {
if (m_kind != new_kind) {
m_kind = new_kind;
switch (m_kind) {
case MPQ: m_ctx = subpaving::mk_mpq_context(m_qm); break;
case MPF: m_ctx = subpaving::mk_mpf_context(m_fm); break;
case HWF: m_ctx = subpaving::mk_hwf_context(m_hm, m_qm); break;
case MPFF: m_ctx = subpaving::mk_mpff_context(m_ffm, m_qm); break;
case MPFX: m_ctx = subpaving::mk_mpfx_context(m_fxm, m_qm); break;
case MPQ: m_ctx = subpaving::mk_mpq_context(m().limit(), m_qm); break;
case MPF: m_ctx = subpaving::mk_mpf_context(m().limit(), m_fm); break;
case HWF: m_ctx = subpaving::mk_hwf_context(m().limit(), m_hm, m_qm); break;
case MPFF: m_ctx = subpaving::mk_mpff_context(m().limit(), m_ffm, m_qm); break;
case MPFX: m_ctx = subpaving::mk_mpfx_context(m().limit(), m_fxm, m_qm); break;
default: UNREACHABLE(); break;
}
m_e2s = alloc(expr2subpaving, m_manager, *m_ctx, &m_e2v);
@ -123,10 +123,6 @@ class subpaving_tactic : public tactic {
m_ctx->reset_statistics();
}
void set_cancel(bool f) {
m_ctx->set_cancel(f);
}
subpaving::ineq * mk_ineq(expr * a) {
bool neg = false;
while (m().is_not(a, a))

2
src/solver/combined_solver.cpp
View file

@ -84,7 +84,7 @@ private:
volatile bool m_canceled;
aux_timeout_eh(solver * s):m_solver(s), m_canceled(false) {}
virtual void operator()() {
m_solver->get_manager().cancel();
m_solver->get_manager().limit().cancel();
m_canceled = true;
}
};