fond
Model Checking Contest 2026
16th edition, Hamburg, Germany, June 23, 2026
Execution of r178-oct2-177969020100380
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
7513.600 3600000.00 4230750.00 7276.30 FFF?F?TF???F??TF 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-oct2-177969020100380.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 LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r178-oct2-177969020100380
=====================================================================

--------------------
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-LTLFireability-00
FORMULA_NAME MedleyB-PT-B13-LTLFireability-01
FORMULA_NAME MedleyB-PT-B13-LTLFireability-02
FORMULA_NAME MedleyB-PT-B13-LTLFireability-03
FORMULA_NAME MedleyB-PT-B13-LTLFireability-04
FORMULA_NAME MedleyB-PT-B13-LTLFireability-05
FORMULA_NAME MedleyB-PT-B13-LTLFireability-06
FORMULA_NAME MedleyB-PT-B13-LTLFireability-07
FORMULA_NAME MedleyB-PT-B13-LTLFireability-08
FORMULA_NAME MedleyB-PT-B13-LTLFireability-09
FORMULA_NAME MedleyB-PT-B13-LTLFireability-10
FORMULA_NAME MedleyB-PT-B13-LTLFireability-11
FORMULA_NAME MedleyB-PT-B13-LTLFireability-12
FORMULA_NAME MedleyB-PT-B13-LTLFireability-13
FORMULA_NAME MedleyB-PT-B13-LTLFireability-14
FORMULA_NAME MedleyB-PT-B13-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1779713101098

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLFireability
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
LTLFireability PT
Running Version 202604301425
[2026-05-25 12:45:02] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2026-05-25 12:45:02] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-25 12:45:07] [INFO ] Load time of PNML (sax parser for PT used): 4391 ms
[2026-05-25 12:45:07] [INFO ] Transformed 3039 places.
[2026-05-25 12:45:07] [INFO ] Transformed 122330 transitions.
[2026-05-25 12:45:07] [INFO ] Found NUPN structural information;
[2026-05-25 12:45:08] [INFO ] Parsed PT model containing 3039 places and 122330 transitions and 2389226 arcs in 5073 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 40 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 6 formulas.
FORMULA MedleyB-PT-B13-LTLFireability-04 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA MedleyB-PT-B13-LTLFireability-06 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA MedleyB-PT-B13-LTLFireability-07 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA MedleyB-PT-B13-LTLFireability-11 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA MedleyB-PT-B13-LTLFireability-14 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA MedleyB-PT-B13-LTLFireability-15 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 60 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 152 places :
Symmetric choice reduction at 0 with 152 rule applications. Total rules 638 place count 2644 transition count 121935
Iterating global reduction 0 with 152 rules applied. Total rules applied 790 place count 2644 transition count 121935
Discarding 90 places :
Symmetric choice reduction at 0 with 90 rule applications. Total rules 880 place count 2554 transition count 121845
Iterating global reduction 0 with 90 rules applied. Total rules applied 970 place count 2554 transition count 121845
Discarding 80 places :
Symmetric choice reduction at 0 with 80 rule applications. Total rules 1050 place count 2474 transition count 121765
Iterating global reduction 0 with 80 rules applied. Total rules applied 1130 place count 2474 transition count 121765
Discarding 70 places :
Symmetric choice reduction at 0 with 70 rule applications. Total rules 1200 place count 2404 transition count 121695
Iterating global reduction 0 with 70 rules applied. Total rules applied 1270 place count 2404 transition count 121695
Discarding 70 places :
Symmetric choice reduction at 0 with 70 rule applications. Total rules 1340 place count 2334 transition count 121625
Iterating global reduction 0 with 70 rules applied. Total rules applied 1410 place count 2334 transition count 121625
Discarding 70 places :
Symmetric choice reduction at 0 with 70 rule applications. Total rules 1480 place count 2264 transition count 121555
Iterating global reduction 0 with 70 rules applied. Total rules applied 1550 place count 2264 transition count 121555
Discarding 70 places :
Symmetric choice reduction at 0 with 70 rule applications. Total rules 1620 place count 2194 transition count 121485
Iterating global reduction 0 with 70 rules applied. Total rules applied 1690 place count 2194 transition count 121485
Discarding 60 places :
Symmetric choice reduction at 0 with 60 rule applications. Total rules 1750 place count 2134 transition count 121425
Iterating global reduction 0 with 60 rules applied. Total rules applied 1810 place count 2134 transition count 121425
Discarding 50 places :
Symmetric choice reduction at 0 with 50 rule applications. Total rules 1860 place count 2084 transition count 121375
Iterating global reduction 0 with 50 rules applied. Total rules applied 1910 place count 2084 transition count 121375
Ensure Unique test removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 0 with 10 rules applied. Total rules applied 1920 place count 2084 transition count 121365
Discarding 20 places :
Symmetric choice reduction at 1 with 20 rule applications. Total rules 1940 place count 2064 transition count 121345
Iterating global reduction 1 with 20 rules applied. Total rules applied 1960 place count 2064 transition count 121345
Discarding 20 places :
Symmetric choice reduction at 1 with 20 rule applications. Total rules 1980 place count 2044 transition count 121325
Iterating global reduction 1 with 20 rules applied. Total rules applied 2000 place count 2044 transition count 121325
Discarding 10 places :
Symmetric choice reduction at 1 with 10 rule applications. Total rules 2010 place count 2034 transition count 121315
Iterating global reduction 1 with 10 rules applied. Total rules applied 2020 place count 2034 transition count 121315
Discarding 10 places :
Symmetric choice reduction at 1 with 10 rule applications. Total rules 2030 place count 2024 transition count 121305
Iterating global reduction 1 with 10 rules applied. Total rules applied 2040 place count 2024 transition count 121305
Discarding 10 places :
Symmetric choice reduction at 1 with 10 rule applications. Total rules 2050 place count 2014 transition count 121295
Iterating global reduction 1 with 10 rules applied. Total rules applied 2060 place count 2014 transition count 121295
Discarding 10 places :
Symmetric choice reduction at 1 with 10 rule applications. Total rules 2070 place count 2004 transition count 121285
Iterating global reduction 1 with 10 rules applied. Total rules applied 2080 place count 2004 transition count 121285
Discarding 10 places :
Symmetric choice reduction at 1 with 10 rule applications. Total rules 2090 place count 1994 transition count 121275
Iterating global reduction 1 with 10 rules applied. Total rules applied 2100 place count 1994 transition count 121275
Discarding 10 places :
Symmetric choice reduction at 1 with 10 rule applications. Total rules 2110 place count 1984 transition count 121265
Iterating global reduction 1 with 10 rules applied. Total rules applied 2120 place count 1984 transition count 121265
Discarding 10 places :
Symmetric choice reduction at 1 with 10 rule applications. Total rules 2130 place count 1974 transition count 121255
Iterating global reduction 1 with 10 rules applied. Total rules applied 2140 place count 1974 transition count 121255
Discarding 10 places :
Symmetric choice reduction at 1 with 10 rule applications. Total rules 2150 place count 1964 transition count 121245
Iterating global reduction 1 with 10 rules applied. Total rules applied 2160 place count 1964 transition count 121245
Discarding 10 places :
Symmetric choice reduction at 1 with 10 rule applications. Total rules 2170 place count 1954 transition count 121235
Iterating global reduction 1 with 10 rules applied. Total rules applied 2180 place count 1954 transition count 121235
Discarding 10 places :
Symmetric choice reduction at 1 with 10 rule applications. Total rules 2190 place count 1944 transition count 121225
Iterating global reduction 1 with 10 rules applied. Total rules applied 2200 place count 1944 transition count 121225
Ensure Unique test removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 1 with 10 rules applied. Total rules applied 2210 place count 1944 transition count 121215
Applied a total of 2210 rules in 22300 ms. Remains 1944 /3039 variables (removed 1095) and now considering 121215/122330 (removed 1115) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-17383637196815330638.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-10438800158679958460.kers'
[2026-05-25 12:45:32] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-17383637196815330638.kers, --Pflows, --basisKERS=/tmp/petrispot-output-10438800158679958460.kers]
Culled 0 columns in 245 ms.
// Phase 1: matrix 121215 rows 1944 cols 2386916 entries
Finished phase 1 with 1933 SingleSign rule and 0 generalized
[2026-05-25 12:45:35] [INFO ] Computed 11 invariants in 2474 ms
Computed 11 P flows in 2479 ms.
Exported basis to /tmp/petrispot-output-10438800158679958460.kers
Total runtime 2738 ms.
[2026-05-25 12:45:36] [INFO ] Implicit Places using invariants in 4705 ms returned []
Implicit Place search using SMT only with invariants took 4772 ms to find 0 implicit places.
Running 121214 sub problems to find dead transitions.
[2026-05-25 12:45:37] [INFO ] Invariant cache hit.
Excessive predecessor constraint size, skipping predecessor.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1943/123159 variables, and 0 constraints, problems are : Problem set: 0 solved, 121214 unsolved in 31604 ms.
Refiners :[Positive P Invariants (semi-flows): 0/11 constraints, State Equation: 0/1944 constraints, PredecessorRefiner: 121214/1942 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 121214 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1943/123159 variables, and 0 constraints, problems are : Problem set: 0 solved, 121214 unsolved in 31444 ms.
Refiners :[Positive P Invariants (semi-flows): 0/11 constraints, State Equation: 0/1944 constraints, PredecessorRefiner: 119272/1942 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2140401ms problems are : Problem set: 0 solved, 121214 unsolved
Search for dead transitions found 0 dead transitions in 2141078ms
Starting structural reductions in LTL mode, iteration 1 : 1944/3039 places, 121215/122330 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 2168715 ms. Remains : 1944/3039 places, 121215/122330 transitions.
Starting structural reductions in LTL mode, iteration 0 : 1944/1944 places, 121215/121215 transitions.
Applied a total of 0 rules in 816 ms. Remains 1944 /1944 variables (removed 0) and now considering 121215/121215 (removed 0) transitions.
[2026-05-25 13:21:19] [INFO ] Invariant cache hit.
[2026-05-25 13:21:20] [INFO ] Implicit Places using invariants in 1169 ms returned []
Implicit Place search using SMT only with invariants took 1192 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 2024 ms. Remains : 1944/1944 places, 121215/121215 transitions.
Support contains 60 out of 1944 places after structural reductions.
[2026-05-25 13:21:32] [INFO ] Flatten gal took : 10142 ms
[2026-05-25 13:21:41] [INFO ] Flatten gal took : 9717 ms
[2026-05-25 13:22:03] [INFO ] Input system was already deterministic with 121215 transitions.
RANDOM walk for 40000 steps (218 resets) in 6183 ms. (6 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4004 steps (8 resets) in 63 ms. (62 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4003 steps (8 resets) in 68 ms. (58 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4004 steps (8 resets) in 78 ms. (50 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4004 steps (8 resets) in 84 ms. (47 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4003 steps (8 resets) in 72 ms. (54 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4004 steps (8 resets) in 56 ms. (70 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4003 steps (8 resets) in 48 ms. (81 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4004 steps (8 resets) in 44 ms. (88 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4004 steps (8 resets) in 158 ms. (25 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4003 steps (8 resets) in 46 ms. (85 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4004 steps (8 resets) in 38 ms. (102 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4004 steps (8 resets) in 41 ms. (95 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4004 steps (8 resets) in 41 ms. (95 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4003 steps (8 resets) in 42 ms. (93 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4003 steps (8 resets) in 44 ms. (88 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4003 steps (8 resets) in 41 ms. (95 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4004 steps (8 resets) in 52 ms. (75 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4004 steps (8 resets) in 56 ms. (70 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4004 steps (8 resets) in 52 ms. (75 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4003 steps (8 resets) in 51 ms. (76 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4003 steps (8 resets) in 46 ms. (85 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4004 steps (8 resets) in 54 ms. (72 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4003 steps (8 resets) in 44 ms. (88 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4004 steps (8 resets) in 48 ms. (81 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4004 steps (8 resets) in 53 ms. (74 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4004 steps (8 resets) in 49 ms. (80 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4004 steps (8 resets) in 53 ms. (74 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4004 steps (8 resets) in 52 ms. (75 steps per ms) remains 28/28 properties
Interrupted probabilistic random walk after 15009 steps, run timeout after 6002 ms. (steps per millisecond=2 ) properties seen :0 out of 28
Probabilistic random walk after 15009 steps, saw 9842 distinct states, run finished after 6009 ms. (steps per millisecond=2 ) properties seen :0
[2026-05-25 13:22:14] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/60 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 28 unsolved
Problem AtomicPropp22 is UNSAT
At refinement iteration 1 (OVERLAPS) 1870/1930 variables, 10/10 constraints. Problems are: Problem set: 1 solved, 27 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1930/123159 variables, and 10 constraints, problems are : Problem set: 1 solved, 27 unsolved in 7429 ms.
Refiners :[Positive P Invariants (semi-flows): 10/11 constraints, State Equation: 0/1944 constraints, PredecessorRefiner: 28/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 solved, 27 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/59 variables, 0/0 constraints. Problems are: Problem set: 1 solved, 27 unsolved
At refinement iteration 1 (OVERLAPS) 1871/1930 variables, 10/10 constraints. Problems are: Problem set: 1 solved, 27 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1930/123159 variables, and 10 constraints, problems are : Problem set: 1 solved, 27 unsolved in 5402 ms.
Refiners :[Positive P Invariants (semi-flows): 10/11 constraints, State Equation: 0/1944 constraints, PredecessorRefiner: 27/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 14184ms problems are : Problem set: 1 solved, 27 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 59 out of 1944 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1944/1944 places, 121215/121215 transitions.
Graph (trivial) has 1884 edges and 1944 vertex of which 160 / 1944 are part of one of the 30 SCC in 33 ms
Free SCC test removed 130 places
Drop transitions (Empty/Sink Transition effects.) removed 180 transitions
Reduce isomorphic transitions removed 180 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.396 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 1310 transitions
Trivial Post-agglo rules discarded 1310 transitions
Performed 1310 trivial Post agglomeration. Transition count delta: 1310
Iterating post reduction 0 with 1320 rules applied. Total rules applied 1322 place count 1804 transition count 119715
Reduce places removed 1310 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 1340 rules applied. Total rules applied 2662 place count 494 transition count 119685
Reduce places removed 10 places and 0 transitions.
Iterating post reduction 2 with 10 rules applied. Total rules applied 2672 place count 484 transition count 119685
Performed 111 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 111 Pre rules applied. Total rules applied 2672 place count 484 transition count 119574
Deduced a syphon composed of 111 places in 91 ms
Reduce places removed 111 places and 0 transitions.
Iterating global reduction 3 with 222 rules applied. Total rules applied 2894 place count 373 transition count 119574
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 2895 place count 373 transition count 119573
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 66 ms
Reduce places removed 71 places and 0 transitions.
Iterating global reduction 4 with 142 rules applied. Total rules applied 3037 place count 302 transition count 119502
Ensure Unique test removed 20 transitions
Reduce isomorphic transitions removed 20 transitions.
Iterating post reduction 4 with 20 rules applied. Total rules applied 3057 place count 302 transition count 119482
Discarding 41 places :
Symmetric choice reduction at 5 with 41 rule applications. Total rules 3098 place count 261 transition count 119422
Iterating global reduction 5 with 41 rules applied. Total rules applied 3139 place count 261 transition count 119422
Ensure Unique test removed 11 transitions
Reduce isomorphic transitions removed 11 transitions.
Iterating post reduction 5 with 11 rules applied. Total rules applied 3150 place count 261 transition count 119411
Discarding 30 places :
Symmetric choice reduction at 6 with 30 rule applications. Total rules 3180 place count 231 transition count 119381
Iterating global reduction 6 with 30 rules applied. Total rules applied 3210 place count 231 transition count 119381
Discarding 20 places :
Symmetric choice reduction at 6 with 20 rule applications. Total rules 3230 place count 211 transition count 119361
Iterating global reduction 6 with 20 rules applied. Total rules applied 3250 place count 211 transition count 119361
Ensure Unique test removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 6 with 10 rules applied. Total rules applied 3260 place count 211 transition count 119351
Performed 10 Post agglomeration using F-continuation condition.Transition count delta: 10
Deduced a syphon composed of 10 places in 35 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 7 with 20 rules applied. Total rules applied 3280 place count 201 transition count 119341
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: -8
Deduced a syphon composed of 3 places in 37 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 7 with 6 rules applied. Total rules applied 3286 place count 198 transition count 119349
Free-agglomeration rule applied 71 times.
Iterating global reduction 7 with 71 rules applied. Total rules applied 3357 place count 198 transition count 119278
Reduce places removed 71 places and 0 transitions.
Iterating post reduction 7 with 71 rules applied. Total rules applied 3428 place count 127 transition count 119278
Discarding 10 places :
Symmetric choice reduction at 8 with 10 rule applications. Total rules 3438 place count 117 transition count 119268
Iterating global reduction 8 with 10 rules applied. Total rules applied 3448 place count 117 transition count 119268
Free-agglomeration rule (complex) applied 6 times.
Iterating global reduction 8 with 6 rules applied. Total rules applied 3454 place count 117 transition count 119262
Reduce places removed 6 places and 0 transitions.
Iterating post reduction 8 with 6 rules applied. Total rules applied 3460 place count 111 transition count 119262
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 3474 place count 111 transition count 119262
Applied a total of 3474 rules in 67522 ms. Remains 111 /1944 variables (removed 1833) and now considering 119262/121215 (removed 1953) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 67544 ms. Remains : 111/1944 places, 119262/121215 transitions.
RANDOM walk for 40000 steps (1338 resets) in 33658 ms. (1 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (8 resets) in 391 ms. (10 steps per ms) remains 26/27 properties
BEST_FIRST walk for 4004 steps (8 resets) in 352 ms. (11 steps per ms) remains 25/26 properties
BEST_FIRST walk for 4003 steps (8 resets) in 296 ms. (13 steps per ms) remains 24/25 properties
BEST_FIRST walk for 4004 steps (8 resets) in 333 ms. (11 steps per ms) remains 23/24 properties
BEST_FIRST walk for 4004 steps (8 resets) in 365 ms. (10 steps per ms) remains 22/23 properties
BEST_FIRST walk for 4004 steps (8 resets) in 360 ms. (11 steps per ms) remains 21/22 properties
BEST_FIRST walk for 4003 steps (8 resets) in 352 ms. (11 steps per ms) remains 20/21 properties
BEST_FIRST walk for 4004 steps (8 resets) in 297 ms. (13 steps per ms) remains 19/20 properties
BEST_FIRST walk for 4004 steps (8 resets) in 262 ms. (15 steps per ms) remains 17/19 properties
BEST_FIRST walk for 4003 steps (8 resets) in 549 ms. (7 steps per ms) remains 16/17 properties
BEST_FIRST walk for 4004 steps (8 resets) in 346 ms. (11 steps per ms) remains 15/16 properties
BEST_FIRST walk for 4003 steps (8 resets) in 327 ms. (12 steps per ms) remains 14/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 290 ms. (13 steps per ms) remains 13/14 properties
BEST_FIRST walk for 4004 steps (8 resets) in 275 ms. (14 steps per ms) remains 12/13 properties
BEST_FIRST walk for 4003 steps (8 resets) in 353 ms. (11 steps per ms) remains 11/12 properties
BEST_FIRST walk for 4004 steps (8 resets) in 261 ms. (15 steps per ms) remains 10/11 properties
BEST_FIRST walk for 4004 steps (8 resets) in 280 ms. (14 steps per ms) remains 9/10 properties
BEST_FIRST walk for 4004 steps (8 resets) in 213 ms. (18 steps per ms) remains 8/9 properties
BEST_FIRST walk for 4004 steps (8 resets) in 189 ms. (21 steps per ms) remains 7/8 properties
BEST_FIRST walk for 4004 steps (8 resets) in 198 ms. (20 steps per ms) remains 6/7 properties
BEST_FIRST walk for 4004 steps (8 resets) in 266 ms. (14 steps per ms) remains 5/6 properties
BEST_FIRST walk for 4004 steps (8 resets) in 265 ms. (15 steps per ms) remains 4/5 properties
BEST_FIRST walk for 4004 steps (1 resets) in 109 ms. (36 steps per ms) remains 3/4 properties
BEST_FIRST walk for 4004 steps (8 resets) in 194 ms. (20 steps per ms) remains 2/3 properties
BEST_FIRST walk for 4004 steps (8 resets) in 263 ms. (15 steps per ms) remains 1/2 properties
BEST_FIRST walk for 1127 steps (0 resets) in 86 ms. (12 steps per ms) remains 0/1 properties
Successfully simplified 1 atomic propositions for a total of 10 simplifications.
Computed a total of 410 stabilizing places and 430 stable transitions
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((p0||(p1 U X(p0))) U (p1 U G(p2))))'
Support contains 28 out of 1944 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1944/1944 places, 121215/121215 transitions.
Applied a total of 0 rules in 1144 ms. Remains 1944 /1944 variables (removed 0) and now considering 121215/121215 (removed 0) transitions.
[2026-05-25 13:23:50] [INFO ] Invariant cache hit.
[2026-05-25 13:24:19] [INFO ] Implicit Places using invariants in 29500 ms returned []
Implicit Place search using SMT only with invariants took 29504 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 30676 ms. Remains : 1944/1944 places, 121215/121215 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((((p0 U X(p1))||p1) U (p0 U G(p2))))'
Stuttering acceptance computed with spot in 355 ms :[(NOT p2), (NOT p1), (AND (NOT p2) (NOT p1)), true, (NOT p2)]
Running random walk in product with property : MedleyB-PT-B13-LTLFireability-00
Entered a terminal (fully accepting) state of product in 4 steps with 0 reset in 12 ms.
FORMULA MedleyB-PT-B13-LTLFireability-00 FALSE TECHNIQUES STUTTER_TEST
Treatment of property MedleyB-PT-B13-LTLFireability-00 finished in 31756 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((G(p0)&&(X(p1)||F(p2)))))'
Support contains 31 out of 1944 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1944/1944 places, 121215/121215 transitions.
Applied a total of 0 rules in 966 ms. Remains 1944 /1944 variables (removed 0) and now considering 121215/121215 (removed 0) transitions.
[2026-05-25 13:24:22] [INFO ] Invariant cache hit.
[2026-05-25 13:24:48] [INFO ] Implicit Places using invariants in 26249 ms returned []
Implicit Place search using SMT only with invariants took 26264 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 27240 ms. Remains : 1944/1944 places, 121215/121215 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((G(p0)&&(X(p1)||F(p2)))))'
Stuttering acceptance computed with spot in 324 ms :[(NOT p0), (OR (NOT p0) (AND (NOT p1) (NOT p2))), true, (OR (NOT p0) (AND (NOT p1) (NOT p2))), (OR (NOT p0) (AND (NOT p1) (NOT p2))), (OR (NOT p0) (NOT p2))]
Running random walk in product with property : MedleyB-PT-B13-LTLFireability-01
Product exploration explored 100000 steps with 547 reset in 8285 ms.
Product exploration explored 100000 steps with 545 reset in 8404 ms.
Computed a total of 410 stabilizing places and 430 stable transitions
Computed a total of 410 stabilizing places and 430 stable transitions
Knowledge based reduction with 10 factoid took 111 ms. Reduced automaton from 6 states, 13 edges and 3 AP (stutter sensitive) to 4 states, 5 edges and 1 AP (stutter sensitive).
RANDOM walk for 40000 steps (219 resets) in 4786 ms. (8 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40002 steps (25 resets) in 805 ms. (49 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 6440 steps, run timeout after 3001 ms. (steps per millisecond=2 ) properties seen :0 out of 1
Probabilistic random walk after 6440 steps, saw 5411 distinct states, run finished after 3001 ms. (steps per millisecond=2 ) properties seen :0
[2026-05-25 13:25:14] [INFO ] Invariant cache hit.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/10 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 1920/1930 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/1930 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 14/1944 variables, 1/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1944 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SMT process timed out in 6106ms, After SMT, problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 10 out of 1944 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1944/1944 places, 121215/121215 transitions.
Graph (trivial) has 1933 edges and 1944 vertex of which 160 / 1944 are part of one of the 30 SCC in 22 ms
Free SCC test removed 130 places
Drop transitions (Empty/Sink Transition effects.) removed 180 transitions
Reduce isomorphic transitions removed 180 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.327 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 1359 transitions
Trivial Post-agglo rules discarded 1359 transitions
Performed 1359 trivial Post agglomeration. Transition count delta: 1359
Iterating post reduction 0 with 1369 rules applied. Total rules applied 1371 place count 1804 transition count 119666
Reduce places removed 1359 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 1389 rules applied. Total rules applied 2760 place count 445 transition count 119636
Reduce places removed 10 places and 0 transitions.
Iterating post reduction 2 with 10 rules applied. Total rules applied 2770 place count 435 transition count 119636
Performed 111 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 111 Pre rules applied. Total rules applied 2770 place count 435 transition count 119525
Deduced a syphon composed of 111 places in 94 ms
Reduce places removed 111 places and 0 transitions.
Iterating global reduction 3 with 222 rules applied. Total rules applied 2992 place count 324 transition count 119525
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 2993 place count 324 transition count 119524
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 53 ms
Reduce places removed 71 places and 0 transitions.
Iterating global reduction 4 with 142 rules applied. Total rules applied 3135 place count 253 transition count 119453
Ensure Unique test removed 20 transitions
Reduce isomorphic transitions removed 20 transitions.
Iterating post reduction 4 with 20 rules applied. Total rules applied 3155 place count 253 transition count 119433
Discarding 53 places :
Symmetric choice reduction at 5 with 53 rule applications. Total rules 3208 place count 200 transition count 28543
Iterating global reduction 5 with 53 rules applied. Total rules applied 3261 place count 200 transition count 28543
Ensure Unique test removed 23 transitions
Reduce isomorphic transitions removed 23 transitions.
Iterating post reduction 5 with 23 rules applied. Total rules applied 3284 place count 200 transition count 28520
Discarding 30 places :
Symmetric choice reduction at 6 with 30 rule applications. Total rules 3314 place count 170 transition count 28490
Iterating global reduction 6 with 30 rules applied. Total rules applied 3344 place count 170 transition count 28490
Discarding 20 places :
Symmetric choice reduction at 6 with 20 rule applications. Total rules 3364 place count 150 transition count 28470
Iterating global reduction 6 with 20 rules applied. Total rules applied 3384 place count 150 transition count 28470
Ensure Unique test removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 6 with 10 rules applied. Total rules applied 3394 place count 150 transition count 28460
Performed 10 Post agglomeration using F-continuation condition.Transition count delta: 10
Deduced a syphon composed of 10 places in 8 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 7 with 20 rules applied. Total rules applied 3414 place count 140 transition count 28450
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: -8
Deduced a syphon composed of 3 places in 7 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 7 with 6 rules applied. Total rules applied 3420 place count 137 transition count 28458
Free-agglomeration rule applied 59 times.
Iterating global reduction 7 with 59 rules applied. Total rules applied 3479 place count 137 transition count 28399
Reduce places removed 59 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Ensure Unique test removed 255 transitions
Reduce isomorphic transitions removed 257 transitions.
Iterating post reduction 7 with 316 rules applied. Total rules applied 3795 place count 78 transition count 28142
Renaming transitions due to excessive name length > 1024 char.
Discarding 10 places :
Symmetric choice reduction at 8 with 10 rule applications. Total rules 3805 place count 68 transition count 28132
Iterating global reduction 8 with 10 rules applied. Total rules applied 3815 place count 68 transition count 28132
Free-agglomeration rule (complex) applied 6 times.
Iterating global reduction 8 with 6 rules applied. Total rules applied 3821 place count 68 transition count 28126
Reduce places removed 6 places and 0 transitions.
Iterating post reduction 8 with 6 rules applied. Total rules applied 3827 place count 62 transition count 28126
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 3841 place count 62 transition count 28126
Applied a total of 3841 rules in 82733 ms. Remains 62 /1944 variables (removed 1882) and now considering 28126/121215 (removed 93089) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 82745 ms. Remains : 62/1944 places, 28126/121215 transitions.
RANDOM walk for 393 steps (0 resets) in 406 ms. (0 steps per ms) remains 0/1 properties
Negative knowledge disproves property using: (G p0)
Knowledge based reduction with 10 factoid took 41 ms. Proved property starting from automaton with 4 states, 5 edges and 1 AP (stutter sensitive
Knowledge-based reduction took 97294 ms.
FORMULA MedleyB-PT-B13-LTLFireability-01 FALSE TECHNIQUES NEGATIVE_KNOWLEDGE
Treatment of property MedleyB-PT-B13-LTLFireability-01 finished in 142219 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Support contains 10 out of 1944 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 1944/1944 places, 121215/121215 transitions.
Graph (trivial) has 1933 edges and 1944 vertex of which 160 / 1944 are part of one of the 30 SCC in 5 ms
Free SCC test removed 130 places
Ensure Unique test removed 150 transitions
Reduce isomorphic transitions removed 150 transitions.
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1339 transitions
Trivial Post-agglo rules discarded 1339 transitions
Performed 1339 trivial Post agglomeration. Transition count delta: 1339
Iterating post reduction 0 with 1339 rules applied. Total rules applied 1340 place count 1813 transition count 119725
Reduce places removed 1339 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 1369 rules applied. Total rules applied 2709 place count 474 transition count 119695
Reduce places removed 10 places and 0 transitions.
Iterating post reduction 2 with 10 rules applied. Total rules applied 2719 place count 464 transition count 119695
Performed 101 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 101 Pre rules applied. Total rules applied 2719 place count 464 transition count 119594
Deduced a syphon composed of 101 places in 79 ms
Reduce places removed 101 places and 0 transitions.
Iterating global reduction 3 with 202 rules applied. Total rules applied 2921 place count 363 transition count 119594
Discarding 9 places :
Symmetric choice reduction at 3 with 9 rule applications. Total rules 2930 place count 354 transition count 119585
Iterating global reduction 3 with 9 rules applied. Total rules applied 2939 place count 354 transition count 119585
Performed 59 Post agglomeration using F-continuation condition.
Performed 79 Post agglomeration using F-continuation condition.Transition count delta: 79
Deduced a syphon composed of 79 places in 46 ms
Reduce places removed 79 places and 0 transitions.
Iterating global reduction 3 with 158 rules applied. Total rules applied 3097 place count 275 transition count 119506
Discarding 53 places :
Symmetric choice reduction at 3 with 53 rule applications. Total rules 3150 place count 222 transition count 19878
Iterating global reduction 3 with 53 rules applied. Total rules applied 3203 place count 222 transition count 19878
Ensure Unique test removed 23 transitions
Reduce isomorphic transitions removed 23 transitions.
Iterating post reduction 3 with 23 rules applied. Total rules applied 3226 place count 222 transition count 19855
Discarding 30 places :
Symmetric choice reduction at 4 with 30 rule applications. Total rules 3256 place count 192 transition count 19815
Iterating global reduction 4 with 30 rules applied. Total rules applied 3286 place count 192 transition count 19815
Discarding 30 places :
Symmetric choice reduction at 4 with 30 rule applications. Total rules 3316 place count 162 transition count 19775
Iterating global reduction 4 with 30 rules applied. Total rules applied 3346 place count 162 transition count 19775
Ensure Unique test removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 4 with 10 rules applied. Total rules applied 3356 place count 162 transition count 19765
Performed 14 Post agglomeration using F-continuation condition.Transition count delta: -7
Deduced a syphon composed of 14 places in 4 ms
Reduce places removed 14 places and 0 transitions.
Iterating global reduction 5 with 28 rules applied. Total rules applied 3384 place count 148 transition count 19772
Discarding 1 places :
Symmetric choice reduction at 5 with 1 rule applications. Total rules 3385 place count 147 transition count 19752
Iterating global reduction 5 with 1 rules applied. Total rules applied 3386 place count 147 transition count 19752
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 5 with 1 rules applied. Total rules applied 3387 place count 147 transition count 19751
Drop transitions (Redundant composition of simpler transitions.) removed 10 transitions
Redundant transition composition rules discarded 10 transitions
Iterating global reduction 6 with 10 rules applied. Total rules applied 3397 place count 147 transition count 19741
Applied a total of 3397 rules in 84697 ms. Remains 147 /1944 variables (removed 1797) and now considering 19741/121215 (removed 101474) transitions.
[2026-05-25 13:28:07] [INFO ] Flow matrix only has 19730 transitions (discarded 11 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-3682854793528212965.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-66135918878462935.kers'
[2026-05-25 13:28:08] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-3682854793528212965.kers, --Pflows, --basisKERS=/tmp/petrispot-output-66135918878462935.kers]
Normalized transition count is 19729 out of 19730 initially.
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 38 ms.
// Phase 1: matrix 19729 rows 146 cols 381165 entries
Finished phase 1 with 145 SingleSign rule and 0 generalized
[2026-05-25 13:28:08] [INFO ] Computed 2 invariants in 209 ms
Computed 2 P flows in 210 ms.
Exported basis to /tmp/petrispot-output-66135918878462935.kers
Total runtime 287 ms.
[2026-05-25 13:28:14] [INFO ] Implicit Places using invariants in 6890 ms returned []
Implicit Place search using SMT only with invariants took 6913 ms to find 0 implicit places.
Running 19724 sub problems to find dead transitions.
[2026-05-25 13:28:15] [INFO ] Flow matrix only has 19730 transitions (discarded 11 similar events)
[2026-05-25 13:28:15] [INFO ] Invariant cache hit.
[2026-05-25 13:28:40] [INFO ] State equation strengthened by 1023 read => feed constraints.
Error getting values : (error "Timeout of Z3 solver reached")
At refinement iteration 0 (INCLUDED_ONLY) 0/146 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 19724 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 146/19877 variables, and 1 constraints, problems are : Problem set: 0 solved, 19724 unsolved in 30285 ms.
Refiners :[Positive P Invariants (semi-flows): 1/2 constraints, State Equation: 0/147 constraints, ReadFeed: 0/1023 constraints, PredecessorRefiner: 19724/73 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 19724 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/146 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 19724 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 146/19877 variables, and 1 constraints, problems are : Problem set: 0 solved, 19724 unsolved in 30258 ms.
Refiners :[Positive P Invariants (semi-flows): 1/2 constraints, State Equation: 0/147 constraints, ReadFeed: 0/1023 constraints, PredecessorRefiner: 19651/73 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 146720ms problems are : Problem set: 0 solved, 19724 unsolved
Search for dead transitions found 0 dead transitions in 146802ms
Starting structural reductions in SI_LTL mode, iteration 1 : 147/1944 places, 19741/121215 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 238551 ms. Remains : 147/1944 places, 19741/121215 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Stuttering acceptance computed with spot in 70 ms :[(NOT p0)]
Running random walk in product with property : MedleyB-PT-B13-LTLFireability-02
Stuttering criterion allowed to conclude after 19 steps with 0 reset in 3 ms.
FORMULA MedleyB-PT-B13-LTLFireability-02 FALSE TECHNIQUES STUTTER_TEST
Treatment of property MedleyB-PT-B13-LTLFireability-02 finished in 238777 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((p0||X((G(p1)&&X(X(G(p2))))))))'
Support contains 20 out of 1944 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1944/1944 places, 121215/121215 transitions.
Applied a total of 0 rules in 2329 ms. Remains 1944 /1944 variables (removed 0) and now considering 121215/121215 (removed 0) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-15813939626172833790.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-14268173408988827494.kers'
[2026-05-25 13:30:44] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-15813939626172833790.kers, --Pflows, --basisKERS=/tmp/petrispot-output-14268173408988827494.kers]
Culled 0 columns in 247 ms.
// Phase 1: matrix 121215 rows 1944 cols 2386916 entries
Finished phase 1 with 1933 SingleSign rule and 0 generalized
[2026-05-25 13:30:47] [INFO ] Computed 11 invariants in 2406 ms
Computed 11 P flows in 2410 ms.
Exported basis to /tmp/petrispot-output-14268173408988827494.kers
Total runtime 2728 ms.
[2026-05-25 13:31:18] [INFO ] Performed 1661/1944 implicitness test of which 0 returned IMPLICIT in 30 seconds.
[2026-05-25 13:31:22] [INFO ] Implicit Places using invariants in 37804 ms returned []
Implicit Place search using SMT only with invariants took 37831 ms to find 0 implicit places.
Running 121214 sub problems to find dead transitions.
[2026-05-25 13:31:23] [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
+ [[ LTLFireability = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution LTLFireability -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
++ perl -pe 's/.*\.//g'
++ sed s/.jar//
++ 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 LTLFireability -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="LTLFireability"
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 LTLFireability"
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-oct2-177969020100380"
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 [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "UpperBounds" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] || [ "LTLFireability" = "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 [ "LTLFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "LTLFireability" != "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 "LTLFireability.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 '' LTLFireability.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME LTLFireability"
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 ;