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Replace prune_scc() by scc_filter().

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prune_scc() leaked memory and failed to remove chains of useless SCCs.

* src/tgbaalgos/reductgba_sim.cc (reduc_tgba_sim): Call
scc_filter() instead of prune_scc(), and do it before running
any simulation-based reduction.
* src/tgbaalgos/reductgba_sim.hh (reduc_tgba_sim): Return a const
tgba*.
* src/tgbatest/ltl2tgba.cc: Call scc_filter() instead of
prune_scc().
* src/tgbatest/scc.test: Add two more tests that failed with
prune_scc().
This commit is contained in:
Alexandre Duret-Lutz 2009-11-18 15:40:37 +01:00
parent 74f620d192
commit 7ea51cc65f
6 changed files with 122 additions and 66 deletions
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18
src/tgbatest/reductgba.cc
View file

@ -40,6 +40,7 @@
#include "tgbaparse/public.hh"
#include "tgbaalgos/dupexp.hh"
#include "tgbaalgos/neverclaim.hh"
#include "tgbaalgos/sccfilter.hh"
#include "misc/escape.hh"
@ -148,21 +149,18 @@ main(int argc, char** argv)
spot::free_relation_simulation(rel_del);
}
spot::tgba* res = automatareduc;
if (o & spot::Reduce_Scc)
{
automatareduc->prune_scc();
//automatareduc->display_scc(std::cout);
res = spot::scc_filter(automatareduc);
delete automatareduc;
}
if (automatareduc != 0)
{
spot::dotty_reachable(std::cout, automatareduc);
}
spot::dotty_reachable(std::cout, res);
if (automata != 0)
delete automata;
if (automatareduc != 0)
delete automatareduc;
delete automata;
delete res;
#ifndef REDUCCMP
if (f != 0)
f->destroy();