org: simplify the calls to ltl2dstar

* doc/org/dstar2tgba.org, doc/org/satmin.org: Here.

doc/org/dstar2tgba.org

@@ -25,7 +25,7 @@ Additionally we use =ltlfilt= to convert our formula to the
 prefix format used by =ltl2dstar=.
 
 #+BEGIN_SRC sh :results verbatim :exports node
-ltlfilt -f 'Fa & GFb' -l | ltl2dstar --ltl2nba=spin:../../src/bin/ltl2tgba@-sD - fagfb
+ltlfilt -f 'Fa & GFb' -l | ltl2dstar --ltl2nba=spin:ltl2tgba@-sD - fagfb
 #+END_SRC
 
 By looking at the file =fagfb= you can see the =ltl2dsar= actually
@@ -350,7 +350,7 @@ head -n 10 |
 while read f; do
   echo "$f"
   ltlfilt -l -f "$f" |
-  ltl2dstar --ltl2nba=spin:../../src/bin/ltl2tgba@-Ds - - |
+  ltl2dstar --ltl2nba=spin:ltl2tgba@-Ds - - |
   dstar2tgba -B --stats='  DRA: %Sst.; BA: %sst.; det.? %d; complete? %p'
 done
 #+END_SRC

doc/org/satmin.org

@@ -683,16 +683,16 @@ its iterations in this file.
 rm -f stats.csv
 export SPOT_SATLOG=stats.csv
 ltlfilt -f "Ga R (F!b & (c U b))" -l |
-ltl2dstar --ltl2nba=spin:../../src/bin/ltl2tgba@-Ds - - |
+ltl2dstar --ltl2nba=spin:ltl2tgba@-Ds - - |
 dstar2tgba -D -x sat-minimize,sat-acc=2 --stats='input(states=%S) output(states=%s, acc-sets=%a, det=%d)'
 cat stats.csv
 #+END_SRC
 #+RESULTS:
 : input(states=11) output(states=5, acc-sets=2, det=1)
-: 9,8,35,64,44064,9043076,978,26,277,21
-: 7,7,33,56,14504,2191905,237,7,113,4
-: 6,6,28,48,10512,1358243,145,4,45,2
-: 5,,,,7200,782342,82,3,31,2
+: 9,9,36,72,44064,9043076,616,18,258,24
+: 8,7,29,56,19712,3493822,236,9,135,6
+: 6,6,25,48,10512,1362749,97,4,42,2
+: 5,,,,7200,784142,65,2,40,2
 
 The generated CSV file use the following columns:
 - the n passed to the SAT-based minimization algorithm