Add benchmark for our DTGBA SAT-minimization.

* bench/dtgbasat/: New directory.
* bench/Makefile.am: New file.
* configure.ac, README: Adjust.

bench/dtgbasat/stats.sh

@@ -0,0 +1,42 @@
+#!/bin/sh
+
+ltlfilt=../../src/bin/ltlfilt
+ltl2tgba=../../src/bin/ltl2tgba
+dstar2tgba=../../src/bin/dstar2tgba
+timeout='timeout -sKILL 1h'
+stats=--stats="%s, %e, %t, %a, %c, %d, %p, %r"
+empty='-, -, -, -, -, -, -, -'
+
+rm -f stats.mk stats.tmp
+
+n=1
+all=
+
+while IFS=, read f type accmax accmin; do
+  unset IFS
+
+  case $type in
+  *TCONG*)
+    echo "$n.log:; ./stat.sh '$f' $type $accmax >\$@" >> stats.tmp
+    all="$all $n.log"
+    n=`expr $n + 1`
+    echo "$n.log:; ./stat.sh '$f' DRA-CONG $accmax >\$@" >> stats.tmp
+    all="$all $n.log"
+    n=`expr $n + 1`
+    ;;
+  *)
+    echo "$n.log:; ./stat.sh '$f' $type $accmax >\$@" >> stats.tmp
+    all="$all $n.log"
+    n=`expr $n + 1`
+    ;;
+  esac
+done < info.ltl
+
+cat > stats.mk <<EOF
+ALL = $all
+all.log: \$(ALL)
+	cat \$(ALL) >\$@
+EOF
+cat stats.tmp >> stats.mk
+
+echo "Now, run something like: make -j8 -f stats.mk"