diff --git a/tests/python/ipnbdoctest.py b/tests/python/ipnbdoctest.py
index 4cc65d056..9331482c7 100755
--- a/tests/python/ipnbdoctest.py
+++ b/tests/python/ipnbdoctest.py
@@ -72,7 +72,7 @@ def sanitize(s):
     s = re.sub(r'Generated by graphviz version.*', 'VERSION', s)
 
     # remove Spins verbose output version
-    s = re.sub(r'SpinS Promela Compiler.*Compiled C model to .*pml.spins',
+    s = re.sub(r'SpinS Promela Compiler.*Compiled C .* to .*pml.spins',
                'SpinS output', s, flags=re.DOTALL)
 
     # SVG generated by graphviz may put note at different positions
diff --git a/tests/python/ltsmin-pml.ipynb b/tests/python/ltsmin-pml.ipynb
index 381b6f29e..26ba73717 100644
--- a/tests/python/ltsmin-pml.ipynb
+++ b/tests/python/ltsmin-pml.ipynb
@@ -18,7 +18,7 @@
    "version": "3.5.1"
   },
   "name": "",
-  "signature": "sha256:bbe178ef6526ace33fca472e0e20c706861b6b033a70d184f5a219c60812d5b7"
+  "signature": "sha256:07d2378b77f0b3c281fb9907deb011c1716ab64dab3726379c60ae42d5f4dd80"
  },
  "nbformat": 3,
  "nbformat_minor": 0,
@@ -74,31 +74,198 @@
        "output_type": "stream",
        "stream": "stderr",
        "text": [
-        "SpinS Promela Compiler - version 1.0 (5-Feb-2013)\n",
+        "SpinS Promela Compiler - version 1.1 (3-Feb-2015)\n",
         "(C) University of Twente, Formal Methods and Tools group\n",
         "\n",
-        "Start parsing tmplq2ksakk.pml...done\n",
+        "Parsing tmpmmk02hmw.pml...\n",
+        "Parsing tmpmmk02hmw.pml done (0.0 sec)\n",
         "\n",
         "Optimizing graphs...\n",
         "   StateMerging changed 0 states/transitions.\n",
         "   RemoveUselessActions changed 2 states/transitions.\n",
         "   RemoveUselessGotos changed 2 states/transitions.\n",
         "   RenumberAll changed 1 states/transitions.\n",
-        "Optimization done\n",
+        "Optimization done (0.0 sec)\n",
         "\n",
-        "Generating DM information ...\n",
-        "Generating DM information done\n",
+        "Generating next-state function ...\n",
+        "   Instantiating processes\n",
+        "   Statically binding references\n",
+        "   Creating transitions\n",
+        "Generating next-state function done (0.0 sec)\n",
         "\n",
-        "Generating guard information ...\n",
-        "   Found        0 /       4 (  0.0%) !MCE guards.\n",
-        "   Found        3 /       8 ( 37.5%) !IMC guards.\n",
-        "   Found        6 /       6 (100.0%) !NES guards.\n",
-        "   Found        6 /       6 (100.0%) !NDS guards.\n",
-        "   Found        6 /       6 (100.0%) !visibilities.\n",
-        "Generating guard information done\n",
+        "Creating state vector\n",
+        "Creating state labels\n",
+        "Generating transitions/state dependency matrices (2 / 3 slots) ... \n",
         "\n",
-        "Written C model to /home/adl/git/spot/tests/python/tmplq2ksakk.pml.spins.c\n",
-        "Compiled C model to tmplq2ksakk.pml.spins\n",
+        "   [..........                                        ]\n",
+        "   [....................                              ]\n",
+        "   [..............................                    ]\n",
+        "   [........................................          ]\n",
+        "   [..................................................]\n",
+        "   Found          5 /         15 ( 33.3%) Guard/slot reads               \n",
+        "\n",
+        "   [.........................                         ]\n",
+        "   [..................................................]\n",
+        "   Found          6 /          6 (100.0%) Transition/slot tests               \n",
+        "\n",
+        "   [........                                          ]\n",
+        "   [................                                  ]\n",
+        "   [.........................                         ]\n",
+        "   [.................................                 ]\n",
+        "   [.........................................         ]\n",
+        "   [..................................................]\n",
+        "   Found         2,         4,         4 /        18 ( 11.1%,  22.2%,  22.2%) Actions/slot r,W,w               \n",
+        "\n",
+        "   [.........................                         ]\n",
+        "   [..................................................]\n",
+        "   Found         2,         4,         4 /         6 ( 33.3%,  66.7%,  66.7%) Atomics/slot r,W,w               \n",
+        "\n",
+        "   [.........................                         ]\n",
+        "   [..................................................]\n",
+        "   Found         6,         4,         4 /         6 (100.0%,  66.7%,  66.7%) Transition/slot r,W,w               \n",
+        "Generating transition/state dependency matrices done (0.0 sec)\n",
+        "\n",
+        "Generating guard dependency matrices (5 guards) ...\n",
+        "\n",
+        "   [....                                              ]\n",
+        "   [........                                          ]\n",
+        "   [............                                      ]\n",
+        "   [................                                  ]\n",
+        "   [....................                              ]\n",
+        "   [.........................                         ]\n",
+        "   [.............................                     ]\n",
+        "   [.................................                 ]\n",
+        "   [.....................................             ]\n",
+        "   [.........................................         ]\n",
+        "   Found          3 /         12 ( 25.0%) Guard/guard dependencies               \n",
+        "\n",
+        "   [.....                                             ]\n",
+        "   [..........                                        ]\n",
+        "   [...............                                   ]\n",
+        "   [....................                              ]\n",
+        "   [.........................                         ]\n",
+        "   [..............................                    ]\n",
+        "   [...................................               ]\n",
+        "   [........................................          ]\n",
+        "   [.............................................     ]\n",
+        "   [..................................................]\n",
+        "   Found          8 /         10 ( 80.0%) Transition/guard writes               \n",
+        "\n",
+        "   Found          4 /          4 (100.0%) Transition/transition writes               \n",
+        "\n",
+        "   [....                                              ]\n",
+        "   [........                                          ]\n",
+        "   [............                                      ]\n",
+        "   [................                                  ]\n",
+        "   [....................                              ]\n",
+        "   [.........................                         ]\n",
+        "   [.............................                     ]\n",
+        "   [.................................                 ]\n",
+        "   [.....................................             ]\n",
+        "   [.........................................         ]\n",
+        "   Found          2 /         12 ( 16.7%) !MCE guards               \n",
+        "\n",
+        "   [.........................                         ]\n",
+        "   Found          1 /          2 ( 50.0%) !MCE transitions               \n",
+        "\n",
+        "   [..                                                ]\n",
+        "   [....                                              ]\n",
+        "   [......                                            ]\n",
+        "   [........                                          ]\n",
+        "   [..........                                        ]\n",
+        "   [............                                      ]\n",
+        "   [..............                                    ]\n",
+        "   [................                                  ]\n",
+        "   [..................                                ]\n",
+        "   [....................                              ]\n",
+        "   [......................                            ]\n",
+        "   [........................                          ]\n",
+        "   [..........................                        ]\n",
+        "   [............................                      ]\n",
+        "   [..............................                    ]\n",
+        "   [................................                  ]\n",
+        "   [..................................                ]\n",
+        "   [....................................              ]\n",
+        "   [......................................            ]\n",
+        "   [........................................          ]\n",
+        "   [..........................................        ]\n",
+        "   [............................................      ]\n",
+        "   [..............................................    ]\n",
+        "   [................................................  ]\n",
+        "   [..................................................]\n",
+        "   Found          7 /         25 ( 28.0%) !ICE guards               \n",
+        "\n",
+        "   [.....                                             ]\n",
+        "   [..........                                        ]\n",
+        "   [...............                                   ]\n",
+        "   [....................                              ]\n",
+        "   [.........................                         ]\n",
+        "   [..............................                    ]\n",
+        "   [...................................               ]\n",
+        "   [........................................          ]\n",
+        "   [.............................................     ]\n",
+        "   [..................................................]\n",
+        "   Found         10 /         10 (100.0%) !NES guards               \n",
+        "\n",
+        "   [............                                      ]\n",
+        "   [.........................                         ]\n",
+        "   [.....................................             ]\n",
+        "   [..................................................]\n",
+        "   Found          4 /          4 (100.0%) !NES transitions               \n",
+        "\n",
+        "   [.....                                             ]\n",
+        "   [..........                                        ]\n",
+        "   [...............                                   ]\n",
+        "   [....................                              ]\n",
+        "   [.........................                         ]\n",
+        "   [..............................                    ]\n",
+        "   [...................................               ]\n",
+        "   [........................................          ]\n",
+        "   [.............................................     ]\n",
+        "   [..................................................]\n",
+        "   Found          8 /         10 ( 80.0%) !NDS guards               \n",
+        "\n",
+        "   [.....                                             ]\n",
+        "   [..........                                        ]\n",
+        "   [...............                                   ]\n",
+        "   [....................                              ]\n",
+        "   [.........................                         ]\n",
+        "   [..............................                    ]\n",
+        "   [...................................               ]\n",
+        "   [........................................          ]\n",
+        "   [.............................................     ]\n",
+        "   [..................................................]\n",
+        "   Found          0 /         10 (  0.0%) MDS guards               \n",
+        "\n",
+        "   [.....                                             ]\n",
+        "   [..........                                        ]\n",
+        "   [...............                                   ]\n",
+        "   [....................                              ]\n",
+        "   [.........................                         ]\n",
+        "   [..............................                    ]\n",
+        "   [...................................               ]\n",
+        "   [........................................          ]\n",
+        "   [.............................................     ]\n",
+        "   [..................................................]\n",
+        "   Found          4 /         10 ( 40.0%) MES guards               \n",
+        "\n",
+        "   [............                                      ]\n",
+        "   [.........................                         ]\n",
+        "   [.....................................             ]\n",
+        "   [..................................................]\n",
+        "   Found          0 /          4 (  0.0%) !NDS transitions               \n",
+        "\n",
+        "   [.........................                         ]\n",
+        "   Found          0 /          2 (  0.0%) !DNA transitions               \n",
+        "\n",
+        "   [.........................                         ]\n",
+        "   [..................................................]\n",
+        "   [..................................................]\n",
+        "   Found          2 /          2 (100.0%) Commuting actions               \n",
+        "Generating guard dependency matrices done (0.0 sec)\n",
+        "\n",
+        "Written C code to /home/adl/git/spot/tests/python/tmpmmk02hmw.pml.spins.c\n",
+        "Compiled C code to PINS library tmpmmk02hmw.pml.spins\n",
         "\n"
        ]
       }
@@ -127,9 +294,7 @@
        "prompt_number": 3,
        "text": [
         "ltsmin model with the following variables:\n",
-        "  _nr_pr: int\n",
         "  P_0._pc: pc\n",
-        "  P_0._pid: pid\n",
         "  P_0.a: int\n",
         "  P_0.b: int"
        ]
@@ -164,232 +329,232 @@
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        "text": [
-        "<spot.impl.kripke; proxy of <Swig Object of type 'std::shared_ptr< spot::kripke > *' at 0x7f87ac090240> >"
+        "<spot.impl.kripke; proxy of <Swig Object of type 'std::shared_ptr< spot::kripke > *' at 0x7fe0808e0240> >"
        ]
       }
      ],
@@ -478,9 +643,7 @@
        "prompt_number": 8,
        "text": [
         "ltsmin model with the following variables:\n",
-        "  _nr_pr: int\n",
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-        "  P_0._pid: pid\n",
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        ]