diff --git a/bench/ltlclasses/plot.gnu b/bench/ltlclasses/plot.gnu
index f19f93082..1f0032457 100644
--- a/bench/ltlclasses/plot.gnu
+++ b/bench/ltlclasses/plot.gnu
@@ -2,51 +2,40 @@ set terminal postscript eps enhanced color
 set ytics nomirror
 set y2tics auto
 set ylabel "states"
-set y2label "ticks"
+set y2label "seconds"
 set key left top
 
-set output 'results1.fm.eps'
+set output 'resultsalpha.fm.eps'
 
-plot 'results1.fm' using 1:($4+$5) '%lf,%lf,%lf,%lf,%*lf,%*lf,%lf,%*lf,%*lf' \
-        with filledcurve x1 title "Total Time" axes x1y2, \
-     'results1.fm' using 1:4 '%lf,%lf,%lf,%lf,%*lf,%*lf,%lf,%*lf,%*lf' \
+plot 'resultsalpha.fm' using 1:4 '%lf,%lf,%lf,%lf' \
         with filledcurve x1 title "Translation Time" axes x1y2, \
-     'results1.fm' using 1:2 '%lf,%lf,%lf,%lf,%*lf,%*lf,%lf,%*lf,%*lf' \
+     'resultsalpha.fm' using 1:2 '%lf,%lf,%lf,%lf' \
         with lines title "States"
 
-set output 'results2.fm.eps'
+set output 'resultsbeta.fm.eps'
 
-plot 'results2.fm' using 1:($4+$5) '%lf,%lf,%lf,%lf,%*lf,%*lf,%lf,%*lf,%*lf' \
-        with filledcurve x1 title "Total Time" axes x1y2, \
-     'results2.fm' using 1:4 '%lf,%lf,%lf,%lf,%*lf,%*lf,%lf,%*lf,%*lf' \
+plot 'resultsbeta.fm' using 1:4 '%lf,%lf,%lf,%lf' \
         with filledcurve x1 title "Translation Time" axes x1y2, \
-     'results2.fm' using 1:2 '%lf,%lf,%lf,%lf,%*lf,%*lf,%lf,%*lf,%*lf' \
+     'resultsbeta.fm' using 1:2 '%lf,%lf,%lf,%lf' \
         with lines title "States"
 
-set output 'results3.fm.eps'
+set output 'resultsbeta-prime.fm.eps'
 
-plot 'results3.fm' using 1:($4+$5) '%lf,%lf,%lf,%lf,%*lf,%*lf,%lf,%*lf,%*lf' \
-        with filledcurve x1 title "Total Time" axes x1y2, \
-     'results3.fm' using 1:4 '%lf,%lf,%lf,%lf,%*lf,%*lf,%lf,%*lf,%*lf' \
+plot 'resultsbeta-prime.fm' using 1:4 '%lf,%lf,%lf,%lf' \
         with filledcurve x1 title "Translation Time" axes x1y2, \
-     'results3.fm' using 1:2 '%lf,%lf,%lf,%lf,%*lf,%*lf,%lf,%*lf,%*lf' \
+     'resultsbeta-prime.fm' using 1:2 '%lf,%lf,%lf,%lf' \
         with lines title "States"
 
-set output 'results4.fm.eps'
+set output 'resultsphi.fm.eps'
 
-plot 'results4.fm' using 1:($4+$5) '%lf,%lf,%lf,%lf,%*lf,%*lf,%lf,%*lf,%*lf' \
-        with filledcurve x1 title "Total Time" axes x1y2, \
-     'results4.fm' using 1:4 '%lf,%lf,%lf,%lf,%*lf,%*lf,%lf,%*lf,%*lf' \
+plot 'resultsphi.fm' using 1:4 '%lf,%lf,%lf,%lf' \
         with filledcurve x1 title "Translation Time" axes x1y2, \
-     'results4.fm' using 1:2 '%lf,%lf,%lf,%lf,%*lf,%*lf,%lf,%*lf,%*lf' \
+     'resultsphi.fm' using 1:2 '%lf,%lf,%lf,%lf' \
         with lines title "States"
 
-set output 'results5.fm.eps'
+set output 'resultsxi.fm.eps'
 
-plot 'results5.fm' using 1:($4+$5) '%lf,%lf,%lf,%lf,%*lf,%*lf,%lf,%*lf,%*lf' \
-        with filledcurve x1 title "Total Time" axes x1y2, \
-     'results5.fm' using 1:4 '%lf,%lf,%lf,%lf,%*lf,%*lf,%lf,%*lf,%*lf' \
+plot 'resultsxi.fm' using 1:4 '%lf,%lf,%lf,%lf' \
         with filledcurve x1 title "Translation Time" axes x1y2, \
-     'results5.fm' using 1:2 '%lf,%lf,%lf,%lf,%*lf,%*lf,%lf,%*lf,%*lf' \
+     'resultsxi.fm' using 1:2 '%lf,%lf,%lf,%lf' \
         with lines title "States"
-
diff --git a/bench/ltlclasses/run b/bench/ltlclasses/run
index 5843581b4..6e8f83027 100755
--- a/bench/ltlclasses/run
+++ b/bench/ltlclasses/run
@@ -1,6 +1,6 @@
 #!/bin/sh
 
-# Copyright (C) 2010, 2012, 2013 Laboratoire de Recherche et
+# Copyright (C) 2010, 2012, 2013, 2017 Laboratoire de Recherche et
 # Développement de l'EPITA (LRDE)
 #
 # This file is part of Spot, a model checking library.
@@ -18,23 +18,17 @@
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
-gen=../../src/bin/genltl
-LTL2TGBA=../../src/tests/ikwiad
+gen=../../bin/genltl
+LTL2TGBA=../../bin/ltl2tgba
 
 for F in alpha beta beta-prime phi xi; do
   echo "# Benching ltl2tgba_fm for family ccj-$F"
   echo "# e.g. `$gen --ccj-$F 3`"
   echo "# the following values are also saved to file 'results$F.fm'"
-  echo "# time1 = translation time"
-  echo "# time2 = exploration time"
-  echo "# n, states, transitions, user time1, system time1, wall time1, user time2, system time2, wall time2"
+  echo "# time = translation time"
+  echo "# n, states, edges, time"
   for n in 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20; do
-    $LTL2TGBA -T -r1 -DS -ks -f "`"$gen" --ccj-$F $n`" >out 2>&1
-    states=`sed -n 's/^states: \([0-9]*\)$/\1/p' out`
-    transitions=`sed -n 's/^transitions: \([0-9]*\)$/\1/p' out`
-    time=`sed -n 's/ *translating formula *| *\([0-9]*\) .*| *\([0-9]*\) .*| *\([0-9]*\) .*|.*/\1,\2,\3/p' out`
-    time2=`sed -n 's/ *producing output *| *\([0-9]*\) .*| *\([0-9]*\) .*| *\([0-9]*\) .*|.*/\1,\2,\3/p' out`
-    echo $n,$states,$transitions,$time,$time2
+    $LTL2TGBA --any --low -B "`"$gen" --ccj-$F $n`" --stats="$n,%s,%e,%r"
   done | tee results$F.fm
 done
 echo "# now run 'gnuplot plot.gnu'"
diff --git a/bench/ltlcounter/plot.gnu b/bench/ltlcounter/plot.gnu
index 09b3a6106..da6f40e7e 100644
--- a/bench/ltlcounter/plot.gnu
+++ b/bench/ltlcounter/plot.gnu
@@ -2,24 +2,20 @@ set terminal postscript eps enhanced color
 set ytics nomirror
 set y2tics auto
 set ylabel "states"
-set y2label "ticks"
+set y2label "seconds"
 set key left top
 
 set output 'results.fm.eps'
 
-plot 'results.fm' using 1:($4+$5) '%lf,%lf,%lf,%lf,%*lf,%*lf,%lf,%*lf,%*lf' \
-        with filledcurve x1 title "Total Time" axes x1y2, \
-     'results.fm' using 1:4 '%lf,%lf,%lf,%lf,%*lf,%*lf,%lf,%*lf,%*lf' \
+plot 'results.fm' using 1:4 '%lf,%lf,%lf,%lf' \
         with filledcurve x1 title "Translation Time" axes x1y2, \
-     'results.fm' using 1:2 '%lf,%lf,%lf,%lf,%*lf,%*lf,%lf,%*lf,%*lf' \
+     'results.fm' using 1:2 '%lf,%lf,%lf,%lf' \
         with lines title "States"
 
 
-set output 'results.taa.eps'
-
-plot 'results.taa' using 1:($4+$5) '%lf,%lf,%lf,%lf,%*lf,%*lf,%lf,%*lf,%*lf' \
-        with filledcurve x1 title "Total Time" axes x1y2, \
-     'results.taa' using 1:4 '%lf,%lf,%lf,%lf,%*lf,%*lf,%lf,%*lf,%*lf' \
-        with filledcurve x1 title "Translation Time" axes x1y2, \
-     'results.taa' using 1:2 '%lf,%lf,%lf,%lf,%*lf,%*lf,%lf,%*lf,%*lf' \
-        with lines title "States"
+# set output 'results.taa.eps'
+#
+# plot 'results.taa' using 1:4 '%lf,%lf,%lf,%lf' \
+#         with filledcurve x1 title "Translation Time" axes x1y2, \
+#      'results.taa' using 1:2 '%lf,%lf,%lf,%lf' \
+#         with lines title "States"
diff --git a/bench/ltlcounter/run b/bench/ltlcounter/run
index 195b24689..1a6a865c0 100755
--- a/bench/ltlcounter/run
+++ b/bench/ltlcounter/run
@@ -1,6 +1,6 @@
 #!/bin/sh
 # -*- coding: utf-8 -*-
-# Copyright (C) 2009, 2010, 2011, 2012, 2013, 2014 Laboratoire de
+# Copyright (C) 2009, 2010, 2011, 2012, 2013, 2014, 2017 Laboratoire de
 # Recherche et DĂ©veloppement de l'EPITA (LRDE)
 #
 # This file is part of Spot, a model checking library.
@@ -18,35 +18,21 @@
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
-gen=../../src/bin/genltl
-LTL2TGBA=../../src/tests/ikwiad
+gen=../../bin/genltl
+LTL2TGBA=../../bin/ltl2tgba
 
 echo "# Benching ltl2tgba_fm..."
 echo "# the following values are also saved to file 'results.fm'"
-echo "# time1 = translation time"
-echo "# time2 = exploration time"
-echo "# n, states, transitions, user time1, system time1, wall time1, user time1, system time2, wall time2"
-for n in 1 2 3 4 5 6 7 8 9 10 11 12 13; do
-  $LTL2TGBA -T -ks -f "`$gen --rv-counter-linear $n`" >out 2>&1
-  states=`sed -n 's/^states: \([0-9]*\)$/\1/p' out`
-  transitions=`sed -n 's/^transitions: \([0-9]*\)$/\1/p' out`
-  time=`sed -n 's/ *translating formula *| *\([0-9]*\) .*| *\([0-9]*\) .*| *\([0-9]*\) .*|.*/\1,\2,\3/p' out`
-  time2=`sed -n 's/ *producing output *| *\([0-9]*\) .*| *\([0-9]*\) .*| *\([0-9]*\) .*|.*/\1,\2,\3/p' out`
-  echo $n,$states,$transitions,$time,$time2
+echo "# n, states, edge, time"
+for n in 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15; do
+  $LTL2TGBA --any --low "`"$gen" --rv-counter-linear $n`" --stats="$n,%s,%e,%r"
 done | tee results.fm
 
-echo "# Benching ltl2taa..."
-echo "# the following values are also saved to file 'results.taa'"
-echo "# time1 = translation time"
-echo "# time2 = exploration time"
-echo "# n, states, transitions, user time1, system time1, wall time1, user time1, system time2, wall time2"
-for n in 1 2 3 4 5 6 7; do
-  $LTL2TGBA -T -ks -taa "`$gen --rv-counter-linear $n`" >out 2>&1
-  states=`sed -n 's/^states: \([0-9]*\)$/\1/p' out`
-  transitions=`sed -n 's/^transitions: \([0-9]*\)$/\1/p' out`
-  time=`sed -n 's/ *translating formula *| *\([0-9]*\) .*| *\([0-9]*\) .*| *\([0-9]*\) .*|.*/\1,\2,\3/p' out`
-  time2=`sed -n 's/ *producing output *| *\([0-9]*\) .*| *\([0-9]*\) .*| *\([0-9]*\) .*|.*/\1,\2,\3/p' out`
-  echo $n,$states,$transitions,$time,$time2
-done | tee results.taa
+# echo "# Benching ltl2taa..."
+# echo "# the following values are also saved to file 'results.taa'"
+# echo "# n, states, transitions, time"
+# for n in 1 2 3 4 5 6 7; do
+#   $LTL2TGBA --any --low "`"$gen" --rv-counter-linear $n`" --stats="$n,%s,%e,%r"
+# done | tee results.taa
 
 echo "# now run 'gnuplot plot.gnu'"