fond
Model Checking Contest 2026
16th edition, Hamburg, Germany, June 23, 2026
Execution of r104-tall-177955698700303
Last Updated
Jun 17, 2026

About the Execution of ITS-Tools for DLCflexbar-PT-7b

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
7806.207 454962.00 1434187.00 494.60 F normal

Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2026-input.r104-tall-177955698700303.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2026-input.qcow2 backing_fmt=qcow2 cluster_size=65536 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 DLCflexbar-PT-7b, examination is StableMarking
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r104-tall-177955698700303
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 15M
-rw-r--r-- 1 mcc users 8.5K Mar 6 15:33 CTLCardinality.txt
-rw-r--r-- 1 mcc users 90K Mar 6 15:33 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.2K Mar 6 15:33 CTLFireability.txt
-rw-r--r-- 1 mcc users 45K Mar 6 15:33 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.6K Mar 15 09:20 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K Mar 15 09:20 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Mar 15 09:20 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 15 09:20 LTLFireability.xml
-rw-r--r-- 1 mcc users 13K Mar 6 15:34 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 136K Mar 6 15:34 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.1K Mar 6 15:34 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 75K Mar 6 15:34 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Mar 15 09:20 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Mar 15 09:20 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 3 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 14M 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

FORMULA_NAME StableMarking

=== Now, execution of the tool begins

BK_START 1779608644851

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=StableMarking
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=DLCflexbar-PT-7b
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
StableMarking PT
Running Version 202604301425
[2026-05-24 07:44:06] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, StableMarking, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 1800]
[2026-05-24 07:44:06] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-24 07:44:07] [INFO ] Load time of PNML (sax parser for PT used): 934 ms
[2026-05-24 07:44:07] [INFO ] Transformed 35101 places.
[2026-05-24 07:44:08] [INFO ] Transformed 55507 transitions.
[2026-05-24 07:44:08] [INFO ] Found NUPN structural information;
[2026-05-24 07:44:10] [INFO ] Parsed PT model containing 35101 places and 55507 transitions and 156636 arcs in 3936 ms.
Graph (trivial) has 31610 edges and 35101 vertex of which 2264 / 35101 are part of one of the 146 SCC in 80 ms
Free SCC test removed 2118 places
Structural test allowed to assert that 18860 places are NOT stable. Took 271 ms.
Ensure Unique test removed 2246 transitions
Reduce redundant transitions removed 2246 transitions.
RANDOM walk for 40000 steps (8 resets) in 6673 ms. (5 steps per ms) remains 15142/16241 properties
BEST_FIRST walk for 121 steps (8 resets) in 68 ms. (1 steps per ms) remains 15142/15142 properties
BEST_FIRST walk for 123 steps (8 resets) in 136 ms. (0 steps per ms) remains 15142/15142 properties
BEST_FIRST walk for 121 steps (8 resets) in 100 ms. (1 steps per ms) remains 15142/15142 properties
BEST_FIRST walk for 121 steps (8 resets) in 59 ms. (2 steps per ms) remains 15142/15142 properties
BEST_FIRST walk for 121 steps (8 resets) in 23 ms. (5 steps per ms) remains 15142/15142 properties
BEST_FIRST walk for 122 steps (8 resets) in 36 ms. (3 steps per ms) remains 15142/15142 properties
BEST_FIRST walk for 122 steps (8 resets) in 30 ms. (3 steps per ms) remains 15142/15142 properties
BEST_FIRST walk for 122 steps (8 resets) in 34 ms. (3 steps per ms) remains 15142/15142 properties
BEST_FIRST walk for 120 steps (8 resets) in 35 ms. (3 steps per ms) remains 15142/15142 properties
BEST_FIRST walk for 121 steps (8 resets) in 28 ms. (4 steps per ms) remains 15142/15142 properties
BEST_FIRST walk for 121 steps (8 resets) in 29 ms. (4 steps per ms) remains 15142/15142 properties
BEST_FIRST walk for 121 steps (8 resets) in 22 ms. (5 steps per ms) remains 15142/15142 properties
BEST_FIRST walk for 120 steps (8 resets) in 34 ms. (3 steps per ms) remains 15142/15142 properties
BEST_FIRST walk for 121 steps (8 resets) in 23 ms. (5 steps per ms) remains 15142/15142 properties
BEST_FIRST walk for 122 steps (8 resets) in 39 ms. (3 steps per ms) remains 15142/15142 properties
BEST_FIRST walk for 121 steps (8 resets) in 27 ms. (4 steps per ms) remains 15142/15142 properties
BEST_FIRST walk for 121 steps (8 resets) in 32 ms. (3 steps per ms) remains 15142/15142 properties
BEST_FIRST walk for 120 steps (8 resets) in 27 ms. (4 steps per ms) remains 15142/15142 properties
BEST_FIRST walk for 121 steps (8 resets) in 23 ms. (5 steps per ms) remains 15142/15142 properties
BEST_FIRST walk for 120 steps (8 resets) in 18 ms. (6 steps per ms) remains 15142/15142 properties
BEST_FIRST walk for 121 steps (8 resets) in 24 ms. (4 steps per ms) remains 15142/15142 properties
BEST_FIRST walk for 122 steps (8 resets) in 33 ms. (3 steps per ms) remains 15142/15142 properties
BEST_FIRST walk for 121 steps (8 resets) in 27 ms. (4 steps per ms) remains 15142/15142 properties
BEST_FIRST walk for 122 steps (8 resets) in 19 ms. (6 steps per ms) remains 15142/15142 properties
BEST_FIRST walk for 120 steps (8 resets) in 25 ms. (4 steps per ms) remains 15142/15142 properties
BEST_FIRST walk for 122 steps (8 resets) in 23 ms. (5 steps per ms) remains 15142/15142 properties
BEST_FIRST walk for 121 steps (8 resets) in 24 ms. (4 steps per ms) remains 15142/15142 properties
BEST_FIRST walk for 120 steps (8 resets) in 24 ms. (4 steps per ms) remains 15142/15142 properties
BEST_FIRST walk for 121 steps (8 resets) in 30 ms. (3 steps per ms) remains 15142/15142 properties
BEST_FIRST walk for 122 steps (8 resets) in 24 ms. (4 steps per ms) remains 15142/15142 properties
BEST_FIRST walk for 122 steps (8 resets) in 25 ms. (4 steps per ms) remains 15142/15142 properties
BEST_FIRST walk for 121 steps (8 resets) in 38 ms. (3 steps per ms) remains 15142/15142 properties
BEST_FIRST walk for 121 steps (8 resets) in 28 ms. (4 steps per ms) remains 15142/15142 properties
BEST_FIRST walk for 122 steps (8 resets) in 49 ms. (2 steps per ms) remains 15142/15142 properties
BEST_FIRST walk for 122 steps (8 resets) in 49 ms. (2 steps per ms) remains 15142/15142 properties
BEST_FIRST walk for 121 steps (8 resets) in 23 ms. (5 steps per ms) remains 15142/15142 properties
BEST_FIRST walk for 121 steps (8 resets) in 25 ms. (4 steps per ms) remains 15142/15142 properties
BEST_FIRST walk for 121 steps (8 resets) in 31 ms. (3 steps per ms) remains 15142/15142 properties
BEST_FIRST walk for 123 steps (8 resets) in 33 ms. (3 steps per ms) remains 15142/15142 properties
BEST_FIRST walk for 120 steps (8 resets) in 24 ms. (4 steps per ms) remains 15142/15142 properties
BEST_FIRST walk for 121 steps (8 resets) in 26 ms. (4 steps per ms) remains 15142/15142 properties
BEST_FIRST walk for 123 steps (8 resets) in 24 ms. (4 steps per ms) remains 15142/15142 properties
BEST_FIRST walk for 120 steps (8 resets) in 60 ms. (1 steps per ms) remains 15142/15142 properties
BEST_FIRST walk for 120 steps (8 resets) in 41 ms. (2 steps per ms) remains 15142/15142 properties
BEST_FIRST walk for 120 steps (8 resets) in 30 ms. (3 steps per ms) remains 15142/15142 properties
BEST_FIRST walk for 121 steps (8 resets) in 45 ms. (2 steps per ms) remains 15142/15142 properties
BEST_FIRST walk for 120 steps (8 resets) in 33 ms. (3 steps per ms) remains 15142/15142 properties
BEST_FIRST walk for 121 steps (8 resets) in 42 ms. (2 steps per ms) remains 15142/15142 properties
BEST_FIRST walk for 120 steps (8 resets) in 19 ms. (6 steps per ms) remains 15142/15142 properties
BEST_FIRST walk for 122 steps (8 resets) in 27 ms. (4 steps per ms) remains 15142/15142 properties
[2026-05-24 07:44:22] [INFO ] Flatten gal took : 1875 ms
[2026-05-24 07:44:23] [INFO ] Flatten gal took : 793 ms
[2026-05-24 07:44:24] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality12712857933023492692.gal : 410 ms
[2026-05-24 07:44:24] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality4296406945990351821.prop : 45 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality12712857933023492692.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality4296406945990351821.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
Interrupted probabilistic random walk after 6556 steps, run timeout after 6071 ms. (steps per millisecond=1 ) properties seen :0 out of 15142
Probabilistic random walk after 6556 steps, saw 6443 distinct states, run finished after 6078 ms. (steps per millisecond=1 ) properties seen :0
[2026-05-24 07:44:28] [INFO ] Flow matrix only has 53116 transitions (discarded 145 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-15509897361623426362.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-10954889063912173225.kers'
[2026-05-24 07:44:28] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-15509897361623426362.kers, --Pflows, --basisKERS=/tmp/petrispot-output-10954889063912173225.kers]
Normalized transition count is 53115 out of 53116 initially.
Culled 0 columns in 44 ms.
// Phase 1: matrix 53115 rows 32983 cols 151852 entries
Loading property file /tmp/ReachabilityCardinality4296406945990351821.prop.
Finished phase 1 with 30812 SingleSign rule and 0 generalized
[2026-05-24 07:44:43] [INFO ] Computed 2171 invariants in 15060 ms
Computed 2171 P flows in 15063 ms.
Exported basis to /tmp/petrispot-output-10954889063912173225.kers
Total runtime 15150 ms.
[2026-05-24 07:44:44] [INFO ] State equation strengthened by 1 read => feed constraints.
SMT process timed out in 99199ms, After SMT, problems are : Problem set: 0 solved, 15142 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 15142 out of 32983 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 32983/32983 places, 53261/53261 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 146 transitions
Reduce isomorphic transitions removed 146 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 5941 transitions
Trivial Post-agglo rules discarded 5941 transitions
Performed 5941 trivial Post agglomeration. Transition count delta: 5941
Iterating post reduction 0 with 6087 rules applied. Total rules applied 6087 place count 32983 transition count 47174
Reduce places removed 5941 places and 0 transitions.
Ensure Unique test removed 26 transitions
Reduce isomorphic transitions removed 26 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 18 transitions
Trivial Post-agglo rules discarded 18 transitions
Performed 18 trivial Post agglomeration. Transition count delta: 18
Iterating post reduction 1 with 5985 rules applied. Total rules applied 12072 place count 27042 transition count 47130
Reduce places removed 18 places and 0 transitions.
Performed 62 Post agglomeration using F-continuation condition.Transition count delta: 62
Iterating post reduction 2 with 80 rules applied. Total rules applied 12152 place count 27024 transition count 47068
Reduce places removed 62 places and 0 transitions.
Iterating post reduction 3 with 62 rules applied. Total rules applied 12214 place count 26962 transition count 47068
Performed 22 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 22 Pre rules applied. Total rules applied 12214 place count 26962 transition count 47046
Deduced a syphon composed of 22 places in 2490 ms
Reduce places removed 22 places and 0 transitions.
Iterating global reduction 4 with 44 rules applied. Total rules applied 12258 place count 26940 transition count 47046
Discarding 284 places :
Symmetric choice reduction at 4 with 284 rule applications. Total rules 12542 place count 26656 transition count 46762
Iterating global reduction 4 with 284 rules applied. Total rules applied 12826 place count 26656 transition count 46762
Performed 105 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 105 Pre rules applied. Total rules applied 12826 place count 26656 transition count 46657
Deduced a syphon composed of 105 places in 2556 ms
Reduce places removed 105 places and 0 transitions.
Iterating global reduction 4 with 210 rules applied. Total rules applied 13036 place count 26551 transition count 46657
Discarding 54 places :
Symmetric choice reduction at 4 with 54 rule applications. Total rules 13090 place count 26497 transition count 40503
Iterating global reduction 4 with 54 rules applied. Total rules applied 13144 place count 26497 transition count 40503
Ensure Unique test removed 19 transitions
Reduce isomorphic transitions removed 19 transitions.
Iterating post reduction 4 with 19 rules applied. Total rules applied 13163 place count 26497 transition count 40484
Performed 4287 Post agglomeration using F-continuation condition with reduction of 6 identical transitions.
Deduced a syphon composed of 4287 places in 13 ms
Reduce places removed 4287 places and 0 transitions.
Iterating global reduction 5 with 8574 rules applied. Total rules applied 21737 place count 22210 transition count 36191
Ensure Unique test removed 9 transitions
Reduce isomorphic transitions removed 9 transitions.
Iterating post reduction 5 with 9 rules applied. Total rules applied 21746 place count 22210 transition count 36182
Renaming transitions due to excessive name length > 1024 char.
Performed 10 Post agglomeration using F-continuation condition.Transition count delta: -44
Deduced a syphon composed of 10 places in 13 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 6 with 20 rules applied. Total rules applied 21766 place count 22200 transition count 36226
Free-agglomeration rule applied 4684 times with reduction of 1060 identical transitions.
Iterating global reduction 6 with 4684 rules applied. Total rules applied 26450 place count 22200 transition count 30482
Reduce places removed 4684 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 169 transitions
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 171 transitions.
Iterating post reduction 6 with 4855 rules applied. Total rules applied 31305 place count 17516 transition count 30311
Discarding 55 places :
Symmetric choice reduction at 7 with 55 rule applications. Total rules 31360 place count 17461 transition count 30086
Iterating global reduction 7 with 55 rules applied. Total rules applied 31415 place count 17461 transition count 30086
Free-agglomeration rule (complex) applied 20 times.
Iterating global reduction 7 with 20 rules applied. Total rules applied 31435 place count 17461 transition count 32283
Reduce places removed 20 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 49 transitions
Reduce isomorphic transitions removed 49 transitions.
Iterating post reduction 7 with 69 rules applied. Total rules applied 31504 place count 17441 transition count 32234
Discarding 11 places :
Symmetric choice reduction at 8 with 11 rule applications. Total rules 31515 place count 17430 transition count 31019
Iterating global reduction 8 with 11 rules applied. Total rules applied 31526 place count 17430 transition count 31019
Ensure Unique test removed 1230 transitions
Reduce isomorphic transitions removed 1230 transitions.
Iterating post reduction 8 with 1230 rules applied. Total rules applied 32756 place count 17430 transition count 29789
Applied a total of 32756 rules in 32564 ms. Remains 17430 /32983 variables (removed 15553) and now considering 29789/53261 (removed 23472) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 32577 ms. Remains : 17430/32983 places, 29789/53261 transitions.
RANDOM walk for 719898 steps (0 resets) in 120004 ms. (5 steps per ms) remains 60/15142 properties
BEST_FIRST walk for 400004 steps (8 resets) in 15169 ms. (26 steps per ms) remains 60/60 properties
BEST_FIRST walk for 400004 steps (8 resets) in 14923 ms. (26 steps per ms) remains 60/60 properties
BEST_FIRST walk for 400004 steps (8 resets) in 14886 ms. (26 steps per ms) remains 60/60 properties
BEST_FIRST walk for 400004 steps (8 resets) in 14559 ms. (27 steps per ms) remains 59/60 properties
BEST_FIRST walk for 400004 steps (8 resets) in 14178 ms. (28 steps per ms) remains 59/59 properties
BEST_FIRST walk for 400004 steps (8 resets) in 14612 ms. (27 steps per ms) remains 59/59 properties
BEST_FIRST walk for 400004 steps (8 resets) in 14612 ms. (27 steps per ms) remains 59/59 properties
BEST_FIRST walk for 400004 steps (8 resets) in 14999 ms. (26 steps per ms) remains 58/59 properties
BEST_FIRST walk for 400004 steps (8 resets) in 14441 ms. (27 steps per ms) remains 58/58 properties
BEST_FIRST walk for 400004 steps (8 resets) in 14137 ms. (28 steps per ms) remains 57/58 properties
BEST_FIRST walk for 400004 steps (8 resets) in 14434 ms. (27 steps per ms) remains 56/57 properties
BEST_FIRST walk for 400004 steps (8 resets) in 14890 ms. (26 steps per ms) remains 56/56 properties
BEST_FIRST walk for 400004 steps (8 resets) in 14432 ms. (27 steps per ms) remains 55/56 properties
BEST_FIRST walk for 400004 steps (8 resets) in 14497 ms. (27 steps per ms) remains 55/55 properties
BEST_FIRST walk for 400004 steps (8 resets) in 14574 ms. (27 steps per ms) remains 55/55 properties
BEST_FIRST walk for 400004 steps (8 resets) in 14871 ms. (26 steps per ms) remains 54/55 properties
BEST_FIRST walk for 400004 steps (8 resets) in 14769 ms. (27 steps per ms) remains 53/54 properties
BEST_FIRST walk for 400004 steps (8 resets) in 15596 ms. (25 steps per ms) remains 53/53 properties
BEST_FIRST walk for 400004 steps (8 resets) in 15517 ms. (25 steps per ms) remains 52/53 properties
BEST_FIRST walk for 400004 steps (8 resets) in 16456 ms. (24 steps per ms) remains 52/52 properties
BEST_FIRST walk for 400004 steps (8 resets) in 14786 ms. (27 steps per ms) remains 51/52 properties
BEST_FIRST walk for 400004 steps (8 resets) in 14655 ms. (27 steps per ms) remains 51/51 properties
BEST_FIRST walk for 400004 steps (8 resets) in 14710 ms. (27 steps per ms) remains 51/51 properties
BEST_FIRST walk for 400004 steps (8 resets) in 14609 ms. (27 steps per ms) remains 50/51 properties
BEST_FIRST walk for 400004 steps (8 resets) in 14481 ms. (27 steps per ms) remains 50/50 properties
BEST_FIRST walk for 400004 steps (8 resets) in 14733 ms. (27 steps per ms) remains 49/50 properties
BEST_FIRST walk for 400004 steps (8 resets) in 14556 ms. (27 steps per ms) remains 49/49 properties
BEST_FIRST walk for 400004 steps (8 resets) in 14725 ms. (27 steps per ms) remains 48/49 properties
BEST_FIRST walk for 400004 steps (8 resets) in 14434 ms. (27 steps per ms) remains 48/48 properties
BEST_FIRST walk for 400004 steps (8 resets) in 14528 ms. (27 steps per ms) remains 47/48 properties
BEST_FIRST walk for 400004 steps (8 resets) in 14840 ms. (26 steps per ms) remains 46/47 properties
BEST_FIRST walk for 400004 steps (8 resets) in 14608 ms. (27 steps per ms) remains 45/46 properties
BEST_FIRST walk for 400004 steps (8 resets) in 14561 ms. (27 steps per ms) remains 45/45 properties
BEST_FIRST walk for 400004 steps (8 resets) in 14618 ms. (27 steps per ms) remains 44/45 properties
BEST_FIRST walk for 400004 steps (8 resets) in 14565 ms. (27 steps per ms) remains 44/44 properties
BEST_FIRST walk for 400004 steps (8 resets) in 14746 ms. (27 steps per ms) remains 44/44 properties
BEST_FIRST walk for 400004 steps (8 resets) in 14818 ms. (26 steps per ms) remains 44/44 properties
BEST_FIRST walk for 400004 steps (8 resets) in 14300 ms. (27 steps per ms) remains 44/44 properties
BEST_FIRST walk for 400004 steps (8 resets) in 14728 ms. (27 steps per ms) remains 43/44 properties
BEST_FIRST walk for 400004 steps (8 resets) in 14395 ms. (27 steps per ms) remains 42/43 properties
BEST_FIRST walk for 400004 steps (8 resets) in 14685 ms. (27 steps per ms) remains 42/42 properties
BEST_FIRST walk for 400004 steps (8 resets) in 14721 ms. (27 steps per ms) remains 41/42 properties
BEST_FIRST walk for 400004 steps (8 resets) in 14766 ms. (27 steps per ms) remains 41/41 properties
BEST_FIRST walk for 400004 steps (8 resets) in 14546 ms. (27 steps per ms) remains 40/41 properties
BEST_FIRST walk for 400004 steps (8 resets) in 15153 ms. (26 steps per ms) remains 40/40 properties
BEST_FIRST walk for 400004 steps (8 resets) in 14706 ms. (27 steps per ms) remains 39/40 properties
BEST_FIRST walk for 400004 steps (8 resets) in 14856 ms. (26 steps per ms) remains 39/39 properties
BEST_FIRST walk for 400004 steps (8 resets) in 14673 ms. (27 steps per ms) remains 38/39 properties
BEST_FIRST walk for 400004 steps (8 resets) in 14863 ms. (26 steps per ms) remains 38/38 properties
BEST_FIRST walk for 400004 steps (8 resets) in 14830 ms. (26 steps per ms) remains 37/38 properties
BEST_FIRST walk for 400004 steps (8 resets) in 14540 ms. (27 steps per ms) remains 37/37 properties
BEST_FIRST walk for 400004 steps (8 resets) in 14693 ms. (27 steps per ms) remains 36/37 properties
BEST_FIRST walk for 400004 steps (8 resets) in 14587 ms. (27 steps per ms) remains 36/36 properties
BEST_FIRST walk for 400004 steps (8 resets) in 14644 ms. (27 steps per ms) remains 35/36 properties
BEST_FIRST walk for 400004 steps (8 resets) in 14695 ms. (27 steps per ms) remains 34/35 properties
BEST_FIRST walk for 400004 steps (8 resets) in 14734 ms. (27 steps per ms) remains 33/34 properties
BEST_FIRST walk for 400004 steps (8 resets) in 14770 ms. (27 steps per ms) remains 32/33 properties
BEST_FIRST walk for 400004 steps (8 resets) in 14651 ms. (27 steps per ms) remains 32/32 properties
[2026-05-24 07:50:51] [INFO ] Flow matrix only has 28755 transitions (discarded 1034 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-16025095506394994578.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-6079002096037576689.kers'
[2026-05-24 07:50:51] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-16025095506394994578.kers, --Pflows, --basisKERS=/tmp/petrispot-output-6079002096037576689.kers]
Culling duplicate invariants (modulo rational): removing 29 columns.
Culled 29 columns in 28 ms.
// Phase 1: matrix 28755 rows 17401 cols 112238 entries
Finished phase 1 with 15314 SingleSign rule and 0 generalized
[2026-05-24 07:50:51] [INFO ] Computed 2116 invariants in 175 ms
Computed 2116 P flows in 176 ms.
Exported basis to /tmp/petrispot-output-6079002096037576689.kers
Total runtime 203 ms.
[2026-05-24 07:50:52] [INFO ] State equation strengthened by 2196 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/32 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 32 unsolved
At refinement iteration 1 (OVERLAPS) 383/415 variables, 30/30 constraints. Problems are: Problem set: 0 solved, 32 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/415 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 32 unsolved
At refinement iteration 3 (OVERLAPS) 17015/17430 variables, 2086/2116 constraints. Problems are: Problem set: 0 solved, 32 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/17430 variables, 0/2116 constraints. Problems are: Problem set: 0 solved, 32 unsolved
At refinement iteration 5 (OVERLAPS) 28755/46185 variables, 17430/19546 constraints. Problems are: Problem set: 0 solved, 32 unsolved
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
SMT process timed out in 45571ms, After SMT, problems are : Problem set: 0 solved, 32 unsolved
Fused 32 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 0 ms.
Support contains 32 out of 17430 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 17430/17430 places, 29789/29789 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 9366 transitions
Trivial Post-agglo rules discarded 9366 transitions
Performed 9366 trivial Post agglomeration. Transition count delta: 9366
Iterating post reduction 0 with 9366 rules applied. Total rules applied 9366 place count 17430 transition count 20423
Reduce places removed 9366 places and 0 transitions.
Ensure Unique test removed 329 transitions
Reduce isomorphic transitions removed 329 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 328 transitions
Trivial Post-agglo rules discarded 328 transitions
Performed 328 trivial Post agglomeration. Transition count delta: 328
Iterating post reduction 1 with 10023 rules applied. Total rules applied 19389 place count 8064 transition count 19766
Reduce places removed 328 places and 0 transitions.
Ensure Unique test removed 108 transitions
Reduce isomorphic transitions removed 108 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 108 transitions
Trivial Post-agglo rules discarded 108 transitions
Performed 108 trivial Post agglomeration. Transition count delta: 108
Iterating post reduction 2 with 544 rules applied. Total rules applied 19933 place count 7736 transition count 19550
Reduce places removed 108 places and 0 transitions.
Iterating post reduction 3 with 108 rules applied. Total rules applied 20041 place count 7628 transition count 19550
Performed 114 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 114 Pre rules applied. Total rules applied 20041 place count 7628 transition count 19436
Deduced a syphon composed of 114 places in 4 ms
Reduce places removed 114 places and 0 transitions.
Iterating global reduction 4 with 228 rules applied. Total rules applied 20269 place count 7514 transition count 19436
Discarding 2460 places :
Symmetric choice reduction at 4 with 2460 rule applications. Total rules 22729 place count 5054 transition count 16972
Iterating global reduction 4 with 2460 rules applied. Total rules applied 25189 place count 5054 transition count 16972
Ensure Unique test removed 2844 transitions
Reduce isomorphic transitions removed 2844 transitions.
Iterating post reduction 4 with 2844 rules applied. Total rules applied 28033 place count 5054 transition count 14128
Performed 5 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 5 with 5 Pre rules applied. Total rules applied 28033 place count 5054 transition count 14123
Deduced a syphon composed of 5 places in 3 ms
Reduce places removed 5 places and 0 transitions.
Iterating global reduction 5 with 10 rules applied. Total rules applied 28043 place count 5049 transition count 14123
Performed 2300 Post agglomeration using F-continuation condition with reduction of 527 identical transitions.
Deduced a syphon composed of 2300 places in 3 ms
Reduce places removed 2300 places and 0 transitions.
Iterating global reduction 5 with 4600 rules applied. Total rules applied 32643 place count 2749 transition count 11296
Drop transitions (Empty/Sink Transition effects.) removed 4961 transitions
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4965 transitions.
Graph (complete) has 8043 edges and 2749 vertex of which 676 are kept as prefixes of interest. Removing 2073 places using SCC suffix rule.5 ms
Discarding 2073 places :
Also discarding 4307 output transitions
Drop transitions (Output transitions of discarded places.) removed 4307 transitions
Iterating post reduction 5 with 4966 rules applied. Total rules applied 37609 place count 676 transition count 2024
Drop transitions (Empty/Sink Transition effects.) removed 556 transitions
Reduce isomorphic transitions removed 556 transitions.
Iterating post reduction 6 with 556 rules applied. Total rules applied 38165 place count 676 transition count 1468
Discarding 489 places :
Symmetric choice reduction at 7 with 489 rule applications. Total rules 38654 place count 187 transition count 296
Iterating global reduction 7 with 489 rules applied. Total rules applied 39143 place count 187 transition count 296
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: 3
Deduced a syphon composed of 3 places in 0 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 7 with 6 rules applied. Total rules applied 39149 place count 184 transition count 293
Drop transitions (Empty/Sink Transition effects.) removed 21 transitions
Reduce isomorphic transitions removed 21 transitions.
Graph (complete) has 384 edges and 184 vertex of which 183 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.0 ms
Discarding 1 places :
Also discarding 0 output transitions
Iterating post reduction 7 with 22 rules applied. Total rules applied 39171 place count 183 transition count 272
Discarding 6 places :
Symmetric choice reduction at 8 with 6 rule applications. Total rules 39177 place count 177 transition count 264
Iterating global reduction 8 with 6 rules applied. Total rules applied 39183 place count 177 transition count 264
Performed 25 Post agglomeration using F-continuation condition with reduction of 24 identical transitions.
Deduced a syphon composed of 25 places in 0 ms
Reduce places removed 25 places and 0 transitions.
Iterating global reduction 8 with 50 rules applied. Total rules applied 39233 place count 152 transition count 353
Drop transitions (Empty/Sink Transition effects.) removed 95 transitions
Reduce isomorphic transitions removed 95 transitions.
Iterating post reduction 8 with 95 rules applied. Total rules applied 39328 place count 152 transition count 258
Discarding 4 places :
Symmetric choice reduction at 9 with 4 rule applications. Total rules 39332 place count 148 transition count 248
Iterating global reduction 9 with 4 rules applied. Total rules applied 39336 place count 148 transition count 248
Ensure Unique test removed 18 transitions
Reduce isomorphic transitions removed 18 transitions.
Iterating post reduction 9 with 18 rules applied. Total rules applied 39354 place count 148 transition count 230
Drop transitions (Redundant composition of simpler transitions.) removed 16 transitions
Redundant transition composition rules discarded 16 transitions
Iterating global reduction 10 with 16 rules applied. Total rules applied 39370 place count 148 transition count 214
Applied a total of 39370 rules in 2504 ms. Remains 148 /17430 variables (removed 17282) and now considering 214/29789 (removed 29575) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2504 ms. Remains : 148/17430 places, 214/29789 transitions.
RANDOM walk for 1874 steps (0 resets) in 47 ms. (39 steps per ms) remains 0/32 properties
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Able to resolve query StableMarking after proving 16243 properties.
FORMULA StableMarking FALSE TECHNIQUES RANDOM_WALK MARKED_SUFFIX_TEST TRIVIAL_UNMARKED_SCC_TEST BESTFIRST_WALK TOPOLOGICAL
Total runtime 453680 ms.

BK_STOP 1779609099813

--------------------
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
+ [[ StableMarking = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution StableMarking -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 1800
+ 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 StableMarking -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 1800

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="DLCflexbar-PT-7b"
export BK_EXAMINATION="StableMarking"
export BK_TOOL="itstools"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="1800"
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 DLCflexbar-PT-7b, examination is StableMarking"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r104-tall-177955698700303"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DLCflexbar-PT-7b.tgz
mv DLCflexbar-PT-7b execution
cd execution
if [ "StableMarking" = "ReachabilityDeadlock" ] || [ "StableMarking" = "UpperBounds" ] || [ "StableMarking" = "QuasiLiveness" ] || [ "StableMarking" = "StableMarking" ] || [ "StableMarking" = "Liveness" ] || [ "StableMarking" = "OneSafe" ] || [ "StableMarking" = "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 [ "StableMarking" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "StableMarking" != "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 "StableMarking.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 '' StableMarking.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "StableMarking" = "ReachabilityDeadlock" ] || [ "StableMarking" = "QuasiLiveness" ] || [ "StableMarking" = "StableMarking" ] || [ "StableMarking" = "Liveness" ] || [ "StableMarking" = "OneSafe" ] ; then
echo "FORMULA_NAME StableMarking"
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 ;