fond
Model Checking Contest 2026
16th edition, Hamburg, Germany, June 23, 2026
Execution of r178-oct2-177969020100378
Last Updated
Jun 17, 2026

About the Execution of ITS-Tools for MedleyB-PT-B13

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
12568.500 3600000.00 3816086.00 5658.80 ??F?F??????????? normal

Execution Chart

We display below the execution chart for this examination (boot time has been removed).

Trace from the execution

Formatting '/data/sdalzilio/mcc2026-input.r178-oct2-177969020100378.qcow2', fmt=qcow2 cluster_size=65536 extended_l2=off compression_type=zlib size=4294967296 backing_file=/data/sdalzilio/mcc2026-input.qcow2 backing_fmt=qcow2 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
..........................
=====================================================================
Generated by BenchKit 2-5973
Executing tool itstools
Input is MedleyB-PT-B13, examination is CTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r178-oct2-177969020100378
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 126M
-rw-r--r-- 1 mcc users 6.2K Mar 7 18:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 63K Mar 7 18:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.9K Mar 7 18:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 62K Mar 7 18:22 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.7K Mar 15 11:36 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K Mar 15 11:36 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Mar 15 11:36 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Mar 15 11:36 LTLFireability.xml
-rw-r--r-- 1 mcc users 13K Mar 7 18:23 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 129K Mar 7 18:23 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.1K Mar 7 18:23 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 76K Mar 7 18:23 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Mar 15 11:36 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Mar 15 11:36 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 4 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 126M Mar 3 18:30 model.pnml

--------------------
content from stdout:

=== Data for post analysis generated by BenchKit (invocation template)

The expected result is a vector of booleans
BOOL_VECTOR

echo here is the order used to build the result vector(from xml file)
FORMULA_NAME MedleyB-PT-B13-CTLFireability-2024-00
FORMULA_NAME MedleyB-PT-B13-CTLFireability-2024-01
FORMULA_NAME MedleyB-PT-B13-CTLFireability-2024-02
FORMULA_NAME MedleyB-PT-B13-CTLFireability-2024-03
FORMULA_NAME MedleyB-PT-B13-CTLFireability-2024-04
FORMULA_NAME MedleyB-PT-B13-CTLFireability-2024-05
FORMULA_NAME MedleyB-PT-B13-CTLFireability-2024-06
FORMULA_NAME MedleyB-PT-B13-CTLFireability-2024-07
FORMULA_NAME MedleyB-PT-B13-CTLFireability-2024-08
FORMULA_NAME MedleyB-PT-B13-CTLFireability-2024-09
FORMULA_NAME MedleyB-PT-B13-CTLFireability-2024-10
FORMULA_NAME MedleyB-PT-B13-CTLFireability-2024-11
FORMULA_NAME MedleyB-PT-B13-CTLFireability-2024-12
FORMULA_NAME MedleyB-PT-B13-CTLFireability-2024-13
FORMULA_NAME MedleyB-PT-B13-CTLFireability-2024-14
FORMULA_NAME MedleyB-PT-B13-CTLFireability-2024-15

=== Now, execution of the tool begins

BK_START 1779713063660

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=CTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=MedleyB-PT-B13
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
CTLFireability PT
Running Version 202604301425
[2026-05-25 12:44:25] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, CTLFireability, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2026-05-25 12:44:25] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-25 12:44:29] [INFO ] Load time of PNML (sax parser for PT used): 4498 ms
[2026-05-25 12:44:29] [INFO ] Transformed 3039 places.
[2026-05-25 12:44:30] [INFO ] Transformed 122330 transitions.
[2026-05-25 12:44:30] [INFO ] Found NUPN structural information;
[2026-05-25 12:44:30] [INFO ] Parsed PT model containing 3039 places and 122330 transitions and 2389226 arcs in 5224 ms.
Parsed 16 properties from file /home/mcc/execution/CTLFireability.xml in 64 ms.
Support contains 63 out of 3039 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 3039/3039 places, 122330/122330 transitions.
Discarding 243 places :
Symmetric choice reduction at 0 with 243 rule applications. Total rules 243 place count 2796 transition count 122087
Iterating global reduction 0 with 243 rules applied. Total rules applied 486 place count 2796 transition count 122087
Discarding 151 places :
Symmetric choice reduction at 0 with 151 rule applications. Total rules 637 place count 2645 transition count 121936
Iterating global reduction 0 with 151 rules applied. Total rules applied 788 place count 2645 transition count 121936
Discarding 90 places :
Symmetric choice reduction at 0 with 90 rule applications. Total rules 878 place count 2555 transition count 121846
Iterating global reduction 0 with 90 rules applied. Total rules applied 968 place count 2555 transition count 121846
Discarding 80 places :
Symmetric choice reduction at 0 with 80 rule applications. Total rules 1048 place count 2475 transition count 121766
Iterating global reduction 0 with 80 rules applied. Total rules applied 1128 place count 2475 transition count 121766
Discarding 70 places :
Symmetric choice reduction at 0 with 70 rule applications. Total rules 1198 place count 2405 transition count 121696
Iterating global reduction 0 with 70 rules applied. Total rules applied 1268 place count 2405 transition count 121696
Discarding 70 places :
Symmetric choice reduction at 0 with 70 rule applications. Total rules 1338 place count 2335 transition count 121626
Iterating global reduction 0 with 70 rules applied. Total rules applied 1408 place count 2335 transition count 121626
Discarding 70 places :
Symmetric choice reduction at 0 with 70 rule applications. Total rules 1478 place count 2265 transition count 121556
Iterating global reduction 0 with 70 rules applied. Total rules applied 1548 place count 2265 transition count 121556
Discarding 70 places :
Symmetric choice reduction at 0 with 70 rule applications. Total rules 1618 place count 2195 transition count 121486
Iterating global reduction 0 with 70 rules applied. Total rules applied 1688 place count 2195 transition count 121486
Discarding 60 places :
Symmetric choice reduction at 0 with 60 rule applications. Total rules 1748 place count 2135 transition count 121426
Iterating global reduction 0 with 60 rules applied. Total rules applied 1808 place count 2135 transition count 121426
Discarding 50 places :
Symmetric choice reduction at 0 with 50 rule applications. Total rules 1858 place count 2085 transition count 121376
Iterating global reduction 0 with 50 rules applied. Total rules applied 1908 place count 2085 transition count 121376
Ensure Unique test removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 0 with 10 rules applied. Total rules applied 1918 place count 2085 transition count 121366
Discarding 20 places :
Symmetric choice reduction at 1 with 20 rule applications. Total rules 1938 place count 2065 transition count 121346
Iterating global reduction 1 with 20 rules applied. Total rules applied 1958 place count 2065 transition count 121346
Discarding 20 places :
Symmetric choice reduction at 1 with 20 rule applications. Total rules 1978 place count 2045 transition count 121326
Iterating global reduction 1 with 20 rules applied. Total rules applied 1998 place count 2045 transition count 121326
Discarding 10 places :
Symmetric choice reduction at 1 with 10 rule applications. Total rules 2008 place count 2035 transition count 121316
Iterating global reduction 1 with 10 rules applied. Total rules applied 2018 place count 2035 transition count 121316
Discarding 10 places :
Symmetric choice reduction at 1 with 10 rule applications. Total rules 2028 place count 2025 transition count 121306
Iterating global reduction 1 with 10 rules applied. Total rules applied 2038 place count 2025 transition count 121306
Discarding 10 places :
Symmetric choice reduction at 1 with 10 rule applications. Total rules 2048 place count 2015 transition count 121296
Iterating global reduction 1 with 10 rules applied. Total rules applied 2058 place count 2015 transition count 121296
Discarding 10 places :
Symmetric choice reduction at 1 with 10 rule applications. Total rules 2068 place count 2005 transition count 121286
Iterating global reduction 1 with 10 rules applied. Total rules applied 2078 place count 2005 transition count 121286
Discarding 10 places :
Symmetric choice reduction at 1 with 10 rule applications. Total rules 2088 place count 1995 transition count 121276
Iterating global reduction 1 with 10 rules applied. Total rules applied 2098 place count 1995 transition count 121276
Discarding 10 places :
Symmetric choice reduction at 1 with 10 rule applications. Total rules 2108 place count 1985 transition count 121266
Iterating global reduction 1 with 10 rules applied. Total rules applied 2118 place count 1985 transition count 121266
Discarding 10 places :
Symmetric choice reduction at 1 with 10 rule applications. Total rules 2128 place count 1975 transition count 121256
Iterating global reduction 1 with 10 rules applied. Total rules applied 2138 place count 1975 transition count 121256
Discarding 10 places :
Symmetric choice reduction at 1 with 10 rule applications. Total rules 2148 place count 1965 transition count 121246
Iterating global reduction 1 with 10 rules applied. Total rules applied 2158 place count 1965 transition count 121246
Discarding 10 places :
Symmetric choice reduction at 1 with 10 rule applications. Total rules 2168 place count 1955 transition count 121236
Iterating global reduction 1 with 10 rules applied. Total rules applied 2178 place count 1955 transition count 121236
Discarding 10 places :
Symmetric choice reduction at 1 with 10 rule applications. Total rules 2188 place count 1945 transition count 121226
Iterating global reduction 1 with 10 rules applied. Total rules applied 2198 place count 1945 transition count 121226
Ensure Unique test removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 1 with 10 rules applied. Total rules applied 2208 place count 1945 transition count 121216
Applied a total of 2208 rules in 20429 ms. Remains 1945 /3039 variables (removed 1094) and now considering 121216/122330 (removed 1114) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-4126933796092227738.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-1382397779305943148.kers'
[2026-05-25 12:44:52] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-4126933796092227738.kers, --Pflows, --basisKERS=/tmp/petrispot-output-1382397779305943148.kers]
Culled 0 columns in 249 ms.
// Phase 1: matrix 121216 rows 1945 cols 2386918 entries
Finished phase 1 with 1934 SingleSign rule and 0 generalized
[2026-05-25 12:44:55] [INFO ] Computed 11 invariants in 2191 ms
Computed 11 P flows in 2196 ms.
Exported basis to /tmp/petrispot-output-1382397779305943148.kers
Total runtime 2446 ms.
[2026-05-25 12:44:56] [INFO ] Implicit Places using invariants in 4533 ms returned []
Implicit Place search using SMT only with invariants took 4575 ms to find 0 implicit places.
Running 121215 sub problems to find dead transitions.
[2026-05-25 12:44:58] [INFO ] Invariant cache hit.
Excessive predecessor constraint size, skipping predecessor.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1944/123161 variables, and 0 constraints, problems are : Problem set: 0 solved, 121215 unsolved in 31638 ms.
Refiners :[Positive P Invariants (semi-flows): 0/11 constraints, State Equation: 0/1945 constraints, PredecessorRefiner: 121215/1943 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 121215 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1944/123161 variables, and 0 constraints, problems are : Problem set: 0 solved, 121215 unsolved in 31326 ms.
Refiners :[Positive P Invariants (semi-flows): 0/11 constraints, State Equation: 0/1945 constraints, PredecessorRefiner: 119272/1943 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2172972ms problems are : Problem set: 0 solved, 121215 unsolved
Search for dead transitions found 0 dead transitions in 2173702ms
Starting structural reductions in LTL mode, iteration 1 : 1945/3039 places, 121216/122330 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 2199116 ms. Remains : 1945/3039 places, 121216/122330 transitions.
Starting structural reductions in LTL mode, iteration 0 : 1945/1945 places, 121216/121216 transitions.
Applied a total of 0 rules in 801 ms. Remains 1945 /1945 variables (removed 0) and now considering 121216/121216 (removed 0) transitions.
[2026-05-25 13:21:11] [INFO ] Invariant cache hit.
[2026-05-25 13:21:12] [INFO ] Implicit Places using invariants in 1136 ms returned []
Implicit Place search using SMT only with invariants took 1138 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 1955 ms. Remains : 1945/1945 places, 121216/121216 transitions.
Support contains 63 out of 1945 places after structural reductions.
[2026-05-25 13:21:24] [INFO ] Flatten gal took : 9923 ms
[2026-05-25 13:21:34] [INFO ] Flatten gal took : 9960 ms
[2026-05-25 13:21:51] [INFO ] Input system was already deterministic with 121216 transitions.
RANDOM walk for 40000 steps (215 resets) in 5700 ms. (7 steps per ms) remains 105/106 properties
BEST_FIRST walk for 404 steps (8 resets) in 41 ms. (9 steps per ms) remains 105/105 properties
BEST_FIRST walk for 404 steps (8 resets) in 32 ms. (12 steps per ms) remains 105/105 properties
BEST_FIRST walk for 403 steps (8 resets) in 34 ms. (11 steps per ms) remains 105/105 properties
BEST_FIRST walk for 402 steps (8 resets) in 20 ms. (19 steps per ms) remains 105/105 properties
BEST_FIRST walk for 402 steps (8 resets) in 27 ms. (14 steps per ms) remains 105/105 properties
BEST_FIRST walk for 404 steps (8 resets) in 26 ms. (14 steps per ms) remains 105/105 properties
BEST_FIRST walk for 404 steps (8 resets) in 17 ms. (22 steps per ms) remains 105/105 properties
BEST_FIRST walk for 403 steps (8 resets) in 39 ms. (10 steps per ms) remains 105/105 properties
BEST_FIRST walk for 403 steps (8 resets) in 25 ms. (15 steps per ms) remains 105/105 properties
BEST_FIRST walk for 404 steps (8 resets) in 33 ms. (11 steps per ms) remains 105/105 properties
BEST_FIRST walk for 402 steps (8 resets) in 31 ms. (12 steps per ms) remains 105/105 properties
BEST_FIRST walk for 404 steps (8 resets) in 17 ms. (22 steps per ms) remains 105/105 properties
BEST_FIRST walk for 403 steps (8 resets) in 22 ms. (17 steps per ms) remains 105/105 properties
BEST_FIRST walk for 404 steps (8 resets) in 17 ms. (22 steps per ms) remains 105/105 properties
BEST_FIRST walk for 403 steps (8 resets) in 17 ms. (22 steps per ms) remains 105/105 properties
BEST_FIRST walk for 404 steps (8 resets) in 16 ms. (23 steps per ms) remains 105/105 properties
BEST_FIRST walk for 403 steps (8 resets) in 12 ms. (31 steps per ms) remains 105/105 properties
BEST_FIRST walk for 403 steps (8 resets) in 12 ms. (31 steps per ms) remains 105/105 properties
BEST_FIRST walk for 403 steps (8 resets) in 13 ms. (28 steps per ms) remains 105/105 properties
BEST_FIRST walk for 403 steps (8 resets) in 18 ms. (21 steps per ms) remains 105/105 properties
BEST_FIRST walk for 403 steps (8 resets) in 16 ms. (23 steps per ms) remains 105/105 properties
BEST_FIRST walk for 403 steps (8 resets) in 14 ms. (26 steps per ms) remains 105/105 properties
BEST_FIRST walk for 404 steps (8 resets) in 14 ms. (26 steps per ms) remains 105/105 properties
BEST_FIRST walk for 404 steps (8 resets) in 16 ms. (23 steps per ms) remains 105/105 properties
BEST_FIRST walk for 404 steps (8 resets) in 13 ms. (28 steps per ms) remains 105/105 properties
BEST_FIRST walk for 402 steps (8 resets) in 14 ms. (26 steps per ms) remains 105/105 properties
BEST_FIRST walk for 403 steps (8 resets) in 14 ms. (26 steps per ms) remains 105/105 properties
BEST_FIRST walk for 404 steps (8 resets) in 11 ms. (33 steps per ms) remains 105/105 properties
BEST_FIRST walk for 403 steps (8 resets) in 14 ms. (26 steps per ms) remains 105/105 properties
BEST_FIRST walk for 403 steps (8 resets) in 13 ms. (28 steps per ms) remains 105/105 properties
BEST_FIRST walk for 403 steps (8 resets) in 14 ms. (26 steps per ms) remains 105/105 properties
BEST_FIRST walk for 403 steps (8 resets) in 13 ms. (28 steps per ms) remains 105/105 properties
BEST_FIRST walk for 404 steps (8 resets) in 13 ms. (28 steps per ms) remains 105/105 properties
BEST_FIRST walk for 403 steps (8 resets) in 14 ms. (26 steps per ms) remains 105/105 properties
BEST_FIRST walk for 402 steps (8 resets) in 13 ms. (28 steps per ms) remains 105/105 properties
BEST_FIRST walk for 402 steps (8 resets) in 13 ms. (28 steps per ms) remains 105/105 properties
BEST_FIRST walk for 404 steps (8 resets) in 14 ms. (26 steps per ms) remains 105/105 properties
BEST_FIRST walk for 404 steps (8 resets) in 12 ms. (31 steps per ms) remains 105/105 properties
BEST_FIRST walk for 402 steps (8 resets) in 11 ms. (33 steps per ms) remains 105/105 properties
BEST_FIRST walk for 404 steps (8 resets) in 11 ms. (33 steps per ms) remains 105/105 properties
BEST_FIRST walk for 403 steps (8 resets) in 32 ms. (12 steps per ms) remains 105/105 properties
BEST_FIRST walk for 402 steps (8 resets) in 17 ms. (22 steps per ms) remains 105/105 properties
BEST_FIRST walk for 404 steps (8 resets) in 18 ms. (21 steps per ms) remains 105/105 properties
BEST_FIRST walk for 404 steps (8 resets) in 19 ms. (20 steps per ms) remains 105/105 properties
BEST_FIRST walk for 404 steps (8 resets) in 11 ms. (33 steps per ms) remains 105/105 properties
BEST_FIRST walk for 403 steps (8 resets) in 13 ms. (28 steps per ms) remains 105/105 properties
BEST_FIRST walk for 404 steps (8 resets) in 14 ms. (26 steps per ms) remains 105/105 properties
BEST_FIRST walk for 404 steps (8 resets) in 14 ms. (26 steps per ms) remains 105/105 properties
BEST_FIRST walk for 404 steps (8 resets) in 13 ms. (28 steps per ms) remains 105/105 properties
BEST_FIRST walk for 404 steps (8 resets) in 14 ms. (26 steps per ms) remains 105/105 properties
Interrupted probabilistic random walk after 6011 steps, run timeout after 3001 ms. (steps per millisecond=2 ) properties seen :0 out of 105
Probabilistic random walk after 6011 steps, saw 5280 distinct states, run finished after 3005 ms. (steps per millisecond=2 ) properties seen :0
[2026-05-25 13:21:58] [INFO ] Invariant cache hit.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/62 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Problem AtomicPropp7 is UNSAT
Problem AtomicPropp9 is UNSAT
Problem AtomicPropp16 is UNSAT
Problem AtomicPropp24 is UNSAT
Problem AtomicPropp37 is UNSAT
Problem AtomicPropp42 is UNSAT
Problem AtomicPropp45 is UNSAT
Problem AtomicPropp61 is UNSAT
Problem AtomicPropp67 is UNSAT
Problem AtomicPropp68 is UNSAT
Problem AtomicPropp75 is UNSAT
Problem AtomicPropp84 is UNSAT
Problem AtomicPropp89 is UNSAT
Problem AtomicPropp99 is UNSAT
At refinement iteration 1 (OVERLAPS) 1869/1931 variables, 10/10 constraints. Problems are: Problem set: 14 solved, 91 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1931/123161 variables, and 10 constraints, problems are : Problem set: 14 solved, 91 unsolved in 5034 ms.
Refiners :[Positive P Invariants (semi-flows): 10/11 constraints, State Equation: 0/1945 constraints, PredecessorRefiner: 105/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 14 solved, 91 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/61 variables, 0/0 constraints. Problems are: Problem set: 14 solved, 91 unsolved
Problem AtomicPropp20 is UNSAT
Problem AtomicPropp51 is UNSAT
Problem AtomicPropp79 is UNSAT
At refinement iteration 1 (OVERLAPS) 1870/1931 variables, 10/10 constraints. Problems are: Problem set: 17 solved, 88 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1931/123161 variables, and 10 constraints, problems are : Problem set: 17 solved, 88 unsolved in 7428 ms.
Refiners :[Positive P Invariants (semi-flows): 10/11 constraints, State Equation: 0/1945 constraints, PredecessorRefiner: 91/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 14976ms problems are : Problem set: 17 solved, 88 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 60 out of 1945 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1945/1945 places, 121216/121216 transitions.
Graph (trivial) has 1884 edges and 1945 vertex of which 161 / 1945 are part of one of the 30 SCC in 25 ms
Free SCC test removed 131 places
Drop transitions (Empty/Sink Transition effects.) removed 181 transitions
Reduce isomorphic transitions removed 181 transitions.
Graph (complete) has 4246 edges and 1814 vertex of which 1804 are kept as prefixes of interest. Removing 10 places using SCC suffix rule.391 ms
Discarding 10 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1309 transitions
Trivial Post-agglo rules discarded 1309 transitions
Performed 1309 trivial Post agglomeration. Transition count delta: 1309
Iterating post reduction 0 with 1319 rules applied. Total rules applied 1321 place count 1804 transition count 119716
Reduce places removed 1309 places and 0 transitions.
Ensure Unique test removed 20 transitions
Reduce isomorphic transitions removed 20 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 10 transitions
Trivial Post-agglo rules discarded 10 transitions
Performed 10 trivial Post agglomeration. Transition count delta: 10
Iterating post reduction 1 with 1339 rules applied. Total rules applied 2660 place count 495 transition count 119686
Reduce places removed 10 places and 0 transitions.
Iterating post reduction 2 with 10 rules applied. Total rules applied 2670 place count 485 transition count 119686
Performed 111 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 111 Pre rules applied. Total rules applied 2670 place count 485 transition count 119575
Deduced a syphon composed of 111 places in 138 ms
Reduce places removed 111 places and 0 transitions.
Iterating global reduction 3 with 222 rules applied. Total rules applied 2892 place count 374 transition count 119575
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 2893 place count 374 transition count 119574
Performed 53 Post agglomeration using F-continuation condition.
Performed 71 Post agglomeration using F-continuation condition.Transition count delta: 71
Deduced a syphon composed of 71 places in 41 ms
Reduce places removed 71 places and 0 transitions.
Iterating global reduction 4 with 142 rules applied. Total rules applied 3035 place count 303 transition count 119503
Ensure Unique test removed 20 transitions
Reduce isomorphic transitions removed 20 transitions.
Iterating post reduction 4 with 20 rules applied. Total rules applied 3055 place count 303 transition count 119483
Discarding 41 places :
Symmetric choice reduction at 5 with 41 rule applications. Total rules 3096 place count 262 transition count 119423
Iterating global reduction 5 with 41 rules applied. Total rules applied 3137 place count 262 transition count 119423
Ensure Unique test removed 11 transitions
Reduce isomorphic transitions removed 11 transitions.
Iterating post reduction 5 with 11 rules applied. Total rules applied 3148 place count 262 transition count 119412
Discarding 30 places :
Symmetric choice reduction at 6 with 30 rule applications. Total rules 3178 place count 232 transition count 119382
Iterating global reduction 6 with 30 rules applied. Total rules applied 3208 place count 232 transition count 119382
Discarding 20 places :
Symmetric choice reduction at 6 with 20 rule applications. Total rules 3228 place count 212 transition count 119362
Iterating global reduction 6 with 20 rules applied. Total rules applied 3248 place count 212 transition count 119362
Ensure Unique test removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 6 with 10 rules applied. Total rules applied 3258 place count 212 transition count 119352
Performed 10 Post agglomeration using F-continuation condition.Transition count delta: 10
Deduced a syphon composed of 10 places in 43 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 7 with 20 rules applied. Total rules applied 3278 place count 202 transition count 119342
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: -8
Deduced a syphon composed of 3 places in 70 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 7 with 6 rules applied. Total rules applied 3284 place count 199 transition count 119350
Free-agglomeration rule applied 71 times.
Iterating global reduction 7 with 71 rules applied. Total rules applied 3355 place count 199 transition count 119279
Reduce places removed 71 places and 0 transitions.
Iterating post reduction 7 with 71 rules applied. Total rules applied 3426 place count 128 transition count 119279
Discarding 10 places :
Symmetric choice reduction at 8 with 10 rule applications. Total rules 3436 place count 118 transition count 119269
Iterating global reduction 8 with 10 rules applied. Total rules applied 3446 place count 118 transition count 119269
Free-agglomeration rule (complex) applied 6 times.
Iterating global reduction 8 with 6 rules applied. Total rules applied 3452 place count 118 transition count 119263
Reduce places removed 6 places and 0 transitions.
Iterating post reduction 8 with 6 rules applied. Total rules applied 3458 place count 112 transition count 119263
Partial Free-agglomeration rule applied 14 times.
Drop transitions (Partial Free agglomeration) removed 14 transitions
Iterating global reduction 9 with 14 rules applied. Total rules applied 3472 place count 112 transition count 119263
Applied a total of 3472 rules in 65799 ms. Remains 112 /1945 variables (removed 1833) and now considering 119263/121216 (removed 1953) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 65805 ms. Remains : 112/1945 places, 119263/121216 transitions.
RANDOM walk for 40000 steps (1331 resets) in 25011 ms. (1 steps per ms) remains 88/88 properties
BEST_FIRST walk for 4004 steps (8 resets) in 289 ms. (13 steps per ms) remains 87/88 properties
BEST_FIRST walk for 4003 steps (8 resets) in 241 ms. (16 steps per ms) remains 86/87 properties
BEST_FIRST walk for 4004 steps (8 resets) in 439 ms. (9 steps per ms) remains 85/86 properties
BEST_FIRST walk for 4004 steps (8 resets) in 195 ms. (20 steps per ms) remains 84/85 properties
BEST_FIRST walk for 4004 steps (8 resets) in 224 ms. (17 steps per ms) remains 83/84 properties
BEST_FIRST walk for 4004 steps (8 resets) in 168 ms. (23 steps per ms) remains 82/83 properties
BEST_FIRST walk for 4004 steps (8 resets) in 196 ms. (20 steps per ms) remains 81/82 properties
BEST_FIRST walk for 4004 steps (8 resets) in 166 ms. (23 steps per ms) remains 80/81 properties
BEST_FIRST walk for 4004 steps (8 resets) in 165 ms. (24 steps per ms) remains 79/80 properties
BEST_FIRST walk for 4004 steps (8 resets) in 178 ms. (22 steps per ms) remains 78/79 properties
BEST_FIRST walk for 4004 steps (8 resets) in 207 ms. (19 steps per ms) remains 77/78 properties
BEST_FIRST walk for 4004 steps (8 resets) in 263 ms. (15 steps per ms) remains 76/77 properties
BEST_FIRST walk for 4003 steps (8 resets) in 199 ms. (20 steps per ms) remains 75/76 properties
BEST_FIRST walk for 4004 steps (8 resets) in 223 ms. (17 steps per ms) remains 74/75 properties
BEST_FIRST walk for 4004 steps (8 resets) in 266 ms. (14 steps per ms) remains 73/74 properties
BEST_FIRST walk for 4004 steps (8 resets) in 174 ms. (22 steps per ms) remains 72/73 properties
BEST_FIRST walk for 4004 steps (8 resets) in 174 ms. (22 steps per ms) remains 71/72 properties
BEST_FIRST walk for 4004 steps (8 resets) in 180 ms. (22 steps per ms) remains 70/71 properties
BEST_FIRST walk for 4004 steps (8 resets) in 180 ms. (22 steps per ms) remains 69/70 properties
BEST_FIRST walk for 4004 steps (8 resets) in 202 ms. (19 steps per ms) remains 68/69 properties
BEST_FIRST walk for 4004 steps (8 resets) in 203 ms. (19 steps per ms) remains 67/68 properties
BEST_FIRST walk for 4004 steps (8 resets) in 165 ms. (24 steps per ms) remains 66/67 properties
BEST_FIRST walk for 4003 steps (8 resets) in 164 ms. (24 steps per ms) remains 65/66 properties
BEST_FIRST walk for 4004 steps (8 resets) in 186 ms. (21 steps per ms) remains 64/65 properties
BEST_FIRST walk for 4004 steps (8 resets) in 187 ms. (21 steps per ms) remains 63/64 properties
BEST_FIRST walk for 4003 steps (8 resets) in 189 ms. (21 steps per ms) remains 62/63 properties
BEST_FIRST walk for 4003 steps (8 resets) in 186 ms. (21 steps per ms) remains 61/62 properties
BEST_FIRST walk for 4004 steps (8 resets) in 193 ms. (20 steps per ms) remains 60/61 properties
BEST_FIRST walk for 4004 steps (8 resets) in 166 ms. (23 steps per ms) remains 59/60 properties
BEST_FIRST walk for 4004 steps (8 resets) in 182 ms. (21 steps per ms) remains 58/59 properties
BEST_FIRST walk for 4004 steps (8 resets) in 182 ms. (21 steps per ms) remains 57/58 properties
BEST_FIRST walk for 4003 steps (8 resets) in 165 ms. (24 steps per ms) remains 56/57 properties
BEST_FIRST walk for 4004 steps (8 resets) in 170 ms. (23 steps per ms) remains 55/56 properties
BEST_FIRST walk for 4004 steps (8 resets) in 176 ms. (22 steps per ms) remains 54/55 properties
BEST_FIRST walk for 4004 steps (8 resets) in 183 ms. (21 steps per ms) remains 53/54 properties
BEST_FIRST walk for 4003 steps (8 resets) in 161 ms. (24 steps per ms) remains 52/53 properties
BEST_FIRST walk for 4003 steps (8 resets) in 193 ms. (20 steps per ms) remains 51/52 properties
BEST_FIRST walk for 4004 steps (8 resets) in 164 ms. (24 steps per ms) remains 50/51 properties
BEST_FIRST walk for 4004 steps (8 resets) in 156 ms. (25 steps per ms) remains 49/50 properties
BEST_FIRST walk for 4004 steps (8 resets) in 147 ms. (27 steps per ms) remains 48/49 properties
BEST_FIRST walk for 4002 steps (8 resets) in 160 ms. (24 steps per ms) remains 47/48 properties
BEST_FIRST walk for 4004 steps (8 resets) in 177 ms. (22 steps per ms) remains 46/47 properties
BEST_FIRST walk for 4004 steps (8 resets) in 178 ms. (22 steps per ms) remains 45/46 properties
BEST_FIRST walk for 4004 steps (8 resets) in 161 ms. (24 steps per ms) remains 44/45 properties
BEST_FIRST walk for 4004 steps (8 resets) in 172 ms. (23 steps per ms) remains 43/44 properties
BEST_FIRST walk for 4004 steps (8 resets) in 181 ms. (22 steps per ms) remains 42/43 properties
BEST_FIRST walk for 4003 steps (8 resets) in 184 ms. (21 steps per ms) remains 41/42 properties
BEST_FIRST walk for 4004 steps (8 resets) in 162 ms. (24 steps per ms) remains 40/41 properties
BEST_FIRST walk for 4004 steps (8 resets) in 203 ms. (19 steps per ms) remains 39/40 properties
BEST_FIRST walk for 4004 steps (8 resets) in 199 ms. (20 steps per ms) remains 38/39 properties
BEST_FIRST walk for 4004 steps (8 resets) in 159 ms. (25 steps per ms) remains 37/38 properties
BEST_FIRST walk for 4003 steps (8 resets) in 165 ms. (24 steps per ms) remains 36/37 properties
BEST_FIRST walk for 4003 steps (8 resets) in 170 ms. (23 steps per ms) remains 35/36 properties
BEST_FIRST walk for 4004 steps (8 resets) in 198 ms. (20 steps per ms) remains 34/35 properties
BEST_FIRST walk for 4003 steps (8 resets) in 162 ms. (24 steps per ms) remains 33/34 properties
BEST_FIRST walk for 4003 steps (8 resets) in 168 ms. (23 steps per ms) remains 32/33 properties
BEST_FIRST walk for 4004 steps (8 resets) in 172 ms. (23 steps per ms) remains 31/32 properties
BEST_FIRST walk for 4004 steps (8 resets) in 182 ms. (21 steps per ms) remains 30/31 properties
BEST_FIRST walk for 4003 steps (8 resets) in 180 ms. (22 steps per ms) remains 29/30 properties
BEST_FIRST walk for 4004 steps (8 resets) in 198 ms. (20 steps per ms) remains 28/29 properties
BEST_FIRST walk for 4004 steps (8 resets) in 179 ms. (22 steps per ms) remains 27/28 properties
BEST_FIRST walk for 4004 steps (8 resets) in 202 ms. (19 steps per ms) remains 26/27 properties
BEST_FIRST walk for 4004 steps (8 resets) in 371 ms. (10 steps per ms) remains 25/26 properties
BEST_FIRST walk for 4004 steps (8 resets) in 190 ms. (20 steps per ms) remains 24/25 properties
BEST_FIRST walk for 4004 steps (8 resets) in 189 ms. (21 steps per ms) remains 23/24 properties
BEST_FIRST walk for 4004 steps (8 resets) in 190 ms. (20 steps per ms) remains 22/23 properties
BEST_FIRST walk for 4004 steps (8 resets) in 215 ms. (18 steps per ms) remains 21/22 properties
BEST_FIRST walk for 4002 steps (8 resets) in 169 ms. (23 steps per ms) remains 20/21 properties
BEST_FIRST walk for 4004 steps (8 resets) in 182 ms. (21 steps per ms) remains 19/20 properties
BEST_FIRST walk for 4004 steps (8 resets) in 201 ms. (19 steps per ms) remains 18/19 properties
BEST_FIRST walk for 4003 steps (8 resets) in 184 ms. (21 steps per ms) remains 17/18 properties
BEST_FIRST walk for 4004 steps (0 resets) in 68 ms. (58 steps per ms) remains 16/17 properties
BEST_FIRST walk for 4004 steps (8 resets) in 176 ms. (22 steps per ms) remains 15/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 189 ms. (21 steps per ms) remains 14/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 192 ms. (20 steps per ms) remains 13/14 properties
BEST_FIRST walk for 4004 steps (8 resets) in 195 ms. (20 steps per ms) remains 12/13 properties
BEST_FIRST walk for 4004 steps (8 resets) in 174 ms. (22 steps per ms) remains 11/12 properties
BEST_FIRST walk for 4003 steps (8 resets) in 190 ms. (20 steps per ms) remains 10/11 properties
BEST_FIRST walk for 4002 steps (8 resets) in 189 ms. (21 steps per ms) remains 9/10 properties
BEST_FIRST walk for 4003 steps (8 resets) in 195 ms. (20 steps per ms) remains 8/9 properties
BEST_FIRST walk for 4002 steps (8 resets) in 178 ms. (22 steps per ms) remains 7/8 properties
BEST_FIRST walk for 4004 steps (8 resets) in 199 ms. (20 steps per ms) remains 6/7 properties
BEST_FIRST walk for 4004 steps (8 resets) in 176 ms. (22 steps per ms) remains 5/6 properties
BEST_FIRST walk for 4004 steps (8 resets) in 193 ms. (20 steps per ms) remains 4/5 properties
BEST_FIRST walk for 4004 steps (8 resets) in 258 ms. (15 steps per ms) remains 3/4 properties
BEST_FIRST walk for 4004 steps (8 resets) in 248 ms. (16 steps per ms) remains 2/3 properties
BEST_FIRST walk for 4004 steps (8 resets) in 257 ms. (15 steps per ms) remains 1/2 properties
BEST_FIRST walk for 2188 steps (3 resets) in 117 ms. (18 steps per ms) remains 0/1 properties
Successfully simplified 17 atomic propositions for a total of 16 simplifications.
[2026-05-25 13:23:36] [INFO ] Initial state reduction rules for CTL removed 1 formulas.
[2026-05-25 13:23:42] [INFO ] Flatten gal took : 10209 ms
[2026-05-25 13:23:42] [INFO ] Initial state reduction rules for CTL removed 1 formulas.
FORMULA MedleyB-PT-B13-CTLFireability-2024-04 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA MedleyB-PT-B13-CTLFireability-2024-02 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2026-05-25 13:23:52] [INFO ] Flatten gal took : 10243 ms
[2026-05-25 13:24:11] [INFO ] Input system was already deterministic with 121216 transitions.
Support contains 60 out of 1945 places (down from 61) after GAL structural reductions.
Computed a total of 410 stabilizing places and 430 stable transitions
Starting structural reductions in LTL mode, iteration 0 : 1945/1945 places, 121216/121216 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 1944 transition count 121215
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 1944 transition count 121215
Applied a total of 2 rules in 4406 ms. Remains 1944 /1945 variables (removed 1) and now considering 121215/121216 (removed 1) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-13328514551464321836.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-15103835407598335992.kers'
[2026-05-25 13:24:17] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-13328514551464321836.kers, --Pflows, --basisKERS=/tmp/petrispot-output-15103835407598335992.kers]
Culled 0 columns in 244 ms.
// Phase 1: matrix 121215 rows 1944 cols 2386916 entries
Finished phase 1 with 1933 SingleSign rule and 0 generalized
[2026-05-25 13:24:20] [INFO ] Computed 11 invariants in 2245 ms
Computed 11 P flows in 2249 ms.
Exported basis to /tmp/petrispot-output-15103835407598335992.kers
Total runtime 2545 ms.
[2026-05-25 13:24:51] [INFO ] Performed 1605/1944 implicitness test of which 0 returned IMPLICIT in 30 seconds.
[2026-05-25 13:24:56] [INFO ] Implicit Places using invariants in 38679 ms returned []
Implicit Place search using SMT only with invariants took 38684 ms to find 0 implicit places.
Running 121214 sub problems to find dead transitions.
[2026-05-25 13:24:57] [INFO ] Invariant cache hit.

BK_TIME_CONFINEMENT_REACHED

--------------------
content from stderr:

+ export BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ CTLFireability = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution CTLFireability -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202604301425.jar
+ VERSION=202604301425
+ echo 'Running Version 202604301425'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination CTLFireability -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600

Sequence of Actions to be Executed by the VM

This is useful if one wants to reexecute the tool in the VM from the submitted image disk.

set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="MedleyB-PT-B13"
export BK_EXAMINATION="CTLFireability"
export BK_TOOL="itstools"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

# remove the execution directoty if it exists (to avoid increse of .vmdk images)
if [ -d execution ] ; then
rm -rf execution
fi

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5973"
echo " Executing tool itstools"
echo " Input is MedleyB-PT-B13, examination is CTLFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r178-oct2-177969020100378"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/MedleyB-PT-B13.tgz
mv MedleyB-PT-B13 execution
cd execution
if [ "CTLFireability" = "ReachabilityDeadlock" ] || [ "CTLFireability" = "UpperBounds" ] || [ "CTLFireability" = "QuasiLiveness" ] || [ "CTLFireability" = "StableMarking" ] || [ "CTLFireability" = "Liveness" ] || [ "CTLFireability" = "OneSafe" ] || [ "CTLFireability" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh

echo
echo "--------------------"
echo "content from stdout:"
echo
echo "=== Data for post analysis generated by BenchKit (invocation template)"
echo
if [ "CTLFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "CTLFireability" != "StateSpace" ] ; then
echo "The expected result is a vector of booleans"
echo BOOL_VECTOR
else
echo "no data necessary for post analysis"
fi
echo
if [ -f "CTLFireability.xml" ] ; then # for cunf (txt files deleted;-)
echo echo "here is the order used to build the result vector(from xml file)"
for x in $(grep '' CTLFireability.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "CTLFireability" = "ReachabilityDeadlock" ] || [ "CTLFireability" = "QuasiLiveness" ] || [ "CTLFireability" = "StableMarking" ] || [ "CTLFireability" = "Liveness" ] || [ "CTLFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME CTLFireability"
fi
echo
echo "=== Now, execution of the tool begins"
echo
echo -n "BK_START "
date -u +%s%3N
echo
timeout -s 9 $BK_TIME_CONFINEMENT bash -c "/home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n \"BK_STOP \" ; date -u +%s%3N"
if [ $? -eq 137 ] ; then
echo
echo "BK_TIME_CONFINEMENT_REACHED"
fi
echo
echo "--------------------"
echo "content from stderr:"
echo
cat STDERR ;