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* iface/dve2/dve2check.cc: Add option -W and simplify formulae.

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This commit is contained in:
Alexandre Duret-Lutz 2011-07-26 18:55:19 +02:00
parent 1719287b1e
commit cdb4e36121
2 changed files with 37 additions and 1 deletions
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34
iface/dve2/dve2check.cc
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@ -23,8 +23,10 @@
#include "ltlenv/defaultenv.hh"
#include "ltlast/allnodes.hh"
#include "ltlparse/public.hh"
#include "ltlvisit/reduce.hh"
#include "tgbaalgos/ltl2tgba_fm.hh"
#include "tgbaalgos/sccfilter.hh"
#include "tgbaalgos/minimize.hh"
#include "tgbaalgos/emptiness.hh"
#include "tgbaalgos/reducerun.hh"
#include "tgba/tgbaproduct.hh"
@ -60,6 +62,8 @@ syntax(char* prog)
<< std::endl
<< " -T time the different phases of the execution"
<< std::endl
<< " -W enable WDBA minimization"
<< std::endl
<< " -z compress states to handle larger models"
<< std::endl
<< " -Z compress states (faster) "
@ -80,6 +84,7 @@ main(int argc, char **argv)
output = EmptinessCheck;
bool accepting_run = false;
bool expect_counter_example = false;
bool wdba = false;
char *dead = 0;
int compress_states = 0;
@ -130,6 +135,9 @@ main(int argc, char **argv)
case 'T':
use_timer = true;
break;
case 'W':
wdba = true;
break;
case 'z':
compress_states = 1;
break;
@ -159,7 +167,7 @@ main(int argc, char **argv)
spot::ltl::atomic_prop_set ap;
spot::bdd_dict* dict = new spot::bdd_dict();
spot::kripke* model = 0;
spot::tgba* prop = 0;
const spot::tgba* prop = 0;
spot::tgba* product = 0;
spot::emptiness_check_instantiator* echeck_inst = 0;
int exit_code = 0;
@ -204,6 +212,14 @@ main(int argc, char **argv)
if (exit_code)
goto safe_exit;
tm.start("reducing formula");
{
spot::ltl::formula* r = spot::ltl::reduce(f);
f->destroy();
f = r;
}
tm.stop("reducing formula");
atomic_prop_collect(f, &ap);
@ -241,6 +257,22 @@ main(int argc, char **argv)
}
tm.stop("reducing A_f w/ SCC");
if (wdba)
{
tm.start("WDBA minimization");
const spot::tgba* minimized = 0;
minimized = minimize_obligation(prop, f);
if (minimized != prop)
{
delete prop;
prop = minimized;
}
tm.stop("WDBA minimization");
}
if (output == DotFormula)
{
tm.start("dotty output");