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.r098-tall-177955695800759.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)
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=====================================================================
Generated by BenchKit 2-5973
Executing tool itstools
Input is DLCshifumi-PT-6b, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r098-tall-177955695800759
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 17M
-rw-r--r-- 1 mcc users 6.4K Mar 6 17:35 CTLCardinality.txt
-rw-r--r-- 1 mcc users 65K Mar 6 17:35 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.9K Mar 6 17:35 CTLFireability.txt
-rw-r--r-- 1 mcc users 54K Mar 6 17:35 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.4K Mar 3 18:30 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 4.1K Mar 15 09:31 LTLCardinality.txt
-rw-r--r-- 1 mcc users 29K Mar 15 09:31 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Mar 15 09:31 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 15 09:31 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K Mar 6 17:35 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 123K Mar 6 17:35 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.4K Mar 6 17:35 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 66K Mar 6 17:35 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Mar 15 09:31 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Mar 15 09:31 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 17M 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 DLCshifumi-PT-6b-ReachabilityFireability-2024-00
FORMULA_NAME DLCshifumi-PT-6b-ReachabilityFireability-2024-01
FORMULA_NAME DLCshifumi-PT-6b-ReachabilityFireability-2024-02
FORMULA_NAME DLCshifumi-PT-6b-ReachabilityFireability-2024-03
FORMULA_NAME DLCshifumi-PT-6b-ReachabilityFireability-2024-04
FORMULA_NAME DLCshifumi-PT-6b-ReachabilityFireability-2024-05
FORMULA_NAME DLCshifumi-PT-6b-ReachabilityFireability-2024-06
FORMULA_NAME DLCshifumi-PT-6b-ReachabilityFireability-2024-07
FORMULA_NAME DLCshifumi-PT-6b-ReachabilityFireability-2024-08
FORMULA_NAME DLCshifumi-PT-6b-ReachabilityFireability-2024-09
FORMULA_NAME DLCshifumi-PT-6b-ReachabilityFireability-2024-10
FORMULA_NAME DLCshifumi-PT-6b-ReachabilityFireability-2024-11
FORMULA_NAME DLCshifumi-PT-6b-ReachabilityFireability-2024-12
FORMULA_NAME DLCshifumi-PT-6b-ReachabilityFireability-2024-13
FORMULA_NAME DLCshifumi-PT-6b-ReachabilityFireability-2024-14
FORMULA_NAME DLCshifumi-PT-6b-ReachabilityFireability-2024-15

=== Now, execution of the tool begins

BK_START 1779662849073

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=ReachabilityFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=DLCshifumi-PT-6b
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityFireability PT
Running Version 202604301425
[2026-05-24 22:47:30] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityFireability, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2026-05-24 22:47:30] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-24 22:47:31] [INFO ] Load time of PNML (sax parser for PT used): 1071 ms
[2026-05-24 22:47:32] [INFO ] Transformed 44243 places.
[2026-05-24 22:47:32] [INFO ] Transformed 66611 transitions.
[2026-05-24 22:47:32] [INFO ] Found NUPN structural information;
[2026-05-24 22:47:34] [INFO ] Parsed PT model containing 44243 places and 66611 transitions and 182532 arcs in 4213 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 28 ms.
Working with output stream class java.io.PrintStream
RANDOM walk for 40000 steps (8 resets) in 4352 ms. (9 steps per ms) remains 15/16 properties
FORMULA DLCshifumi-PT-6b-ReachabilityFireability-2024-03 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 4003 steps (8 resets) in 88 ms. (44 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 75 ms. (52 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 48 ms. (81 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 71 ms. (55 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4003 steps (8 resets) in 94 ms. (42 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 134 ms. (29 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 49 ms. (80 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 42 ms. (93 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 42 ms. (93 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4003 steps (8 resets) in 46 ms. (85 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 44 ms. (88 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 101 ms. (39 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 28 ms. (138 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 34 ms. (114 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 28 ms. (138 steps per ms) remains 15/15 properties
[2026-05-24 22:47:44] [INFO ] Flatten gal took : 1930 ms
[2026-05-24 22:47:45] [INFO ] Flatten gal took : 1071 ms
[2026-05-24 22:47:46] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality3138976965674189939.gal : 416 ms
[2026-05-24 22:47:46] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality10656192505236904776.prop : 2 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/ReachabilityCardinality3138976965674189939.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality10656192505236904776.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 49480 steps, run timeout after 3006 ms. (steps per millisecond=16 ) properties seen :0 out of 15
Probabilistic random walk after 49480 steps, saw 49040 distinct states, run finished after 3010 ms. (steps per millisecond=16 ) properties seen :0
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-10168205415819709166.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-12755493538890172067.kers'
[2026-05-24 22:47:46] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-10168205415819709166.kers, --Pflows, --basisKERS=/tmp/petrispot-output-12755493538890172067.kers]
Culled 0 columns in 59 ms.
// Phase 1: matrix 66611 rows 44243 cols 182532 entries
Finished phase 1 with 41828 SingleSign rule and 0 generalized
[2026-05-24 22:48:08] [INFO ] Computed 2415 invariants in 21711 ms
Computed 2415 P flows in 21713 ms.
Exported basis to /tmp/petrispot-output-12755493538890172067.kers
Total runtime 21828 ms.
Excessive predecessor constraint size, skipping predecessor.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/289 variables, 289/289 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/289 variables, 0/289 constraints. Problems are: Problem set: 0 solved, 15 unsolved
SMT process timed out in 28516ms, After SMT, problems are : Problem set: 0 solved, 15 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 289 out of 44243 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 44243/44243 places, 66611/66611 transitions.
Graph (trivial) has 40124 edges and 44243 vertex of which 2915 / 44243 are part of one of the 193 SCC in 105 ms
Free SCC test removed 2722 places
Drop transitions (Empty/Sink Transition effects.) removed 3085 transitions
Reduce isomorphic transitions removed 3085 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 20462 transitions
Trivial Post-agglo rules discarded 20462 transitions
Performed 20462 trivial Post agglomeration. Transition count delta: 20462
Iterating post reduction 0 with 20462 rules applied. Total rules applied 20463 place count 41521 transition count 43064
Reduce places removed 20462 places and 0 transitions.
Ensure Unique test removed 533 transitions
Reduce isomorphic transitions removed 533 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 531 transitions
Trivial Post-agglo rules discarded 531 transitions
Performed 531 trivial Post agglomeration. Transition count delta: 531
Iterating post reduction 1 with 21526 rules applied. Total rules applied 41989 place count 21059 transition count 42000
Reduce places removed 531 places and 0 transitions.
Ensure Unique test removed 167 transitions
Reduce isomorphic transitions removed 167 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 165 transitions
Trivial Post-agglo rules discarded 165 transitions
Performed 165 trivial Post agglomeration. Transition count delta: 165
Iterating post reduction 2 with 863 rules applied. Total rules applied 42852 place count 20528 transition count 41668
Reduce places removed 165 places and 0 transitions.
Performed 114 Post agglomeration using F-continuation condition.Transition count delta: 114
Iterating post reduction 3 with 279 rules applied. Total rules applied 43131 place count 20363 transition count 41554
Reduce places removed 114 places and 0 transitions.
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 4 with 118 rules applied. Total rules applied 43249 place count 20249 transition count 41550
Performed 339 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 5 with 339 Pre rules applied. Total rules applied 43249 place count 20249 transition count 41211
Deduced a syphon composed of 339 places in 2712 ms
Reduce places removed 339 places and 0 transitions.
Iterating global reduction 5 with 678 rules applied. Total rules applied 43927 place count 19910 transition count 41211
Loading property file /tmp/ReachabilityCardinality10656192505236904776.prop.
Performed 10662 Post agglomeration using F-continuation condition.Transition count delta: 10662
Deduced a syphon composed of 10662 places in 24 ms
Reduce places removed 10662 places and 0 transitions.
Iterating global reduction 5 with 21324 rules applied. Total rules applied 65251 place count 9248 transition count 30549
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 5 with 1 rules applied. Total rules applied 65252 place count 9248 transition count 30548
Renaming transitions due to excessive name length > 1024 char.
Discarding 478 places :
Symmetric choice reduction at 6 with 478 rule applications. Total rules 65730 place count 8770 transition count 26488
Iterating global reduction 6 with 478 rules applied. Total rules applied 66208 place count 8770 transition count 26488
Ensure Unique test removed 344 transitions
Reduce isomorphic transitions removed 344 transitions.
Iterating post reduction 6 with 344 rules applied. Total rules applied 66552 place count 8770 transition count 26144
Discarding 13 places :
Symmetric choice reduction at 7 with 13 rule applications. Total rules 66565 place count 8757 transition count 25520
Iterating global reduction 7 with 13 rules applied. Total rules applied 66578 place count 8757 transition count 25520
Ensure Unique test removed 11 transitions
Reduce isomorphic transitions removed 11 transitions.
Iterating post reduction 7 with 11 rules applied. Total rules applied 66589 place count 8757 transition count 25509
Performed 13 Post agglomeration using F-continuation condition.Transition count delta: 13
Deduced a syphon composed of 13 places in 10 ms
Reduce places removed 13 places and 0 transitions.
Iterating global reduction 8 with 26 rules applied. Total rules applied 66615 place count 8744 transition count 25496
Performed 101 Post agglomeration using F-continuation condition with reduction of 162 identical transitions.
Deduced a syphon composed of 101 places in 5 ms
Reduce places removed 101 places and 0 transitions.
Iterating global reduction 8 with 202 rules applied. Total rules applied 66817 place count 8643 transition count 26100
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 8 with 5 rules applied. Total rules applied 66822 place count 8643 transition count 26095
Discarding 31 places :
Symmetric choice reduction at 9 with 31 rule applications. Total rules 66853 place count 8612 transition count 25723
Iterating global reduction 9 with 31 rules applied. Total rules applied 66884 place count 8612 transition count 25723
Ensure Unique test removed 158 transitions
Reduce isomorphic transitions removed 158 transitions.
Iterating post reduction 9 with 158 rules applied. Total rules applied 67042 place count 8612 transition count 25565
Performed 101 Post agglomeration using F-continuation condition with reduction of 156 identical transitions.
Deduced a syphon composed of 101 places in 5 ms
Reduce places removed 101 places and 0 transitions.
Iterating global reduction 10 with 202 rules applied. Total rules applied 67244 place count 8511 transition count 26177
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 10 with 1 rules applied. Total rules applied 67245 place count 8511 transition count 26176
Discarding 29 places :
Symmetric choice reduction at 11 with 29 rule applications. Total rules 67274 place count 8482 transition count 25828
Iterating global reduction 11 with 29 rules applied. Total rules applied 67303 place count 8482 transition count 25828
Ensure Unique test removed 156 transitions
Reduce isomorphic transitions removed 156 transitions.
Iterating post reduction 11 with 156 rules applied. Total rules applied 67459 place count 8482 transition count 25672
Performed 101 Post agglomeration using F-continuation condition with reduction of 156 identical transitions.
Deduced a syphon composed of 101 places in 5 ms
Reduce places removed 101 places and 0 transitions.
Iterating global reduction 12 with 202 rules applied. Total rules applied 67661 place count 8381 transition count 26277
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 12 with 5 rules applied. Total rules applied 67666 place count 8381 transition count 26272
Discarding 32 places :
Symmetric choice reduction at 13 with 32 rule applications. Total rules 67698 place count 8349 transition count 25888
Iterating global reduction 13 with 32 rules applied. Total rules applied 67730 place count 8349 transition count 25888
Ensure Unique test removed 150 transitions
Reduce isomorphic transitions removed 150 transitions.
Iterating post reduction 13 with 150 rules applied. Total rules applied 67880 place count 8349 transition count 25738
Performed 101 Post agglomeration using F-continuation condition with reduction of 174 identical transitions.
Deduced a syphon composed of 101 places in 6 ms
Reduce places removed 101 places and 0 transitions.
Iterating global reduction 14 with 202 rules applied. Total rules applied 68082 place count 8248 transition count 26352
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 14 with 3 rules applied. Total rules applied 68085 place count 8248 transition count 26349
Discarding 31 places :
Symmetric choice reduction at 15 with 31 rule applications. Total rules 68116 place count 8217 transition count 25977
Iterating global reduction 15 with 31 rules applied. Total rules applied 68147 place count 8217 transition count 25977
Ensure Unique test removed 169 transitions
Reduce isomorphic transitions removed 169 transitions.
Iterating post reduction 15 with 169 rules applied. Total rules applied 68316 place count 8217 transition count 25808
Performed 101 Post agglomeration using F-continuation condition with reduction of 186 identical transitions.
Deduced a syphon composed of 101 places in 5 ms
Reduce places removed 101 places and 0 transitions.
Iterating global reduction 16 with 202 rules applied. Total rules applied 68518 place count 8116 transition count 26412
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 16 with 1 rules applied. Total rules applied 68519 place count 8116 transition count 26411
Discarding 31 places :
Symmetric choice reduction at 17 with 31 rule applications. Total rules 68550 place count 8085 transition count 26039
Iterating global reduction 17 with 31 rules applied. Total rules applied 68581 place count 8085 transition count 26039
Ensure Unique test removed 180 transitions
Reduce isomorphic transitions removed 180 transitions.
Iterating post reduction 17 with 180 rules applied. Total rules applied 68761 place count 8085 transition count 25859
Performed 101 Post agglomeration using F-continuation condition with reduction of 78 identical transitions.
Deduced a syphon composed of 101 places in 6 ms
Reduce places removed 101 places and 0 transitions.
Iterating global reduction 18 with 202 rules applied. Total rules applied 68963 place count 7984 transition count 26644
Drop transitions (Empty/Sink Transition effects.) removed 77 transitions
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 78 transitions.
Iterating post reduction 18 with 78 rules applied. Total rules applied 69041 place count 7984 transition count 26566
Discarding 13 places :
Symmetric choice reduction at 19 with 13 rule applications. Total rules 69054 place count 7971 transition count 26407
Iterating global reduction 19 with 13 rules applied. Total rules applied 69067 place count 7971 transition count 26407
Ensure Unique test removed 79 transitions
Reduce isomorphic transitions removed 79 transitions.
Iterating post reduction 19 with 79 rules applied. Total rules applied 69146 place count 7971 transition count 26328
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -12
Deduced a syphon composed of 1 places in 5 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 20 with 2 rules applied. Total rules applied 69148 place count 7970 transition count 26340
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 20 with 2 rules applied. Total rules applied 69150 place count 7970 transition count 26338
Free-agglomeration rule applied 4798 times with reduction of 2463 identical transitions.
Iterating global reduction 21 with 4798 rules applied. Total rules applied 73948 place count 7970 transition count 19077
Reduce places removed 4798 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 5108 transitions
Ensure Unique test removed 100 transitions
Reduce isomorphic transitions removed 5208 transitions.
Graph (complete) has 14091 edges and 3172 vertex of which 2983 are kept as prefixes of interest. Removing 189 places using SCC suffix rule.8 ms
Discarding 189 places :
Also discarding 63 output transitions
Drop transitions (Output transitions of discarded places.) removed 63 transitions
Iterating post reduction 21 with 10007 rules applied. Total rules applied 83955 place count 2983 transition count 13806
Drop transitions (Empty/Sink Transition effects.) removed 693 transitions
Reduce isomorphic transitions removed 693 transitions.
Iterating post reduction 22 with 693 rules applied. Total rules applied 84648 place count 2983 transition count 13113
Discarding 675 places :
Symmetric choice reduction at 23 with 675 rule applications. Total rules 85323 place count 2308 transition count 10008
Iterating global reduction 23 with 675 rules applied. Total rules applied 85998 place count 2308 transition count 10008
Ensure Unique test removed 9 transitions
Reduce isomorphic transitions removed 9 transitions.
Iterating post reduction 23 with 9 rules applied. Total rules applied 86007 place count 2308 transition count 9999
Drop transitions (Redundant composition of simpler transitions.) removed 190 transitions
Redundant transition composition rules discarded 190 transitions
Iterating global reduction 24 with 190 rules applied. Total rules applied 86197 place count 2308 transition count 9809
Discarding 18 places :
Symmetric choice reduction at 24 with 18 rule applications. Total rules 86215 place count 2290 transition count 9705
Iterating global reduction 24 with 18 rules applied. Total rules applied 86233 place count 2290 transition count 9705
Discarding 2 places :
Symmetric choice reduction at 24 with 2 rule applications. Total rules 86235 place count 2288 transition count 9455
Iterating global reduction 24 with 2 rules applied. Total rules applied 86237 place count 2288 transition count 9455
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 24 with 2 rules applied. Total rules applied 86239 place count 2288 transition count 9453
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: 3
Deduced a syphon composed of 3 places in 4 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 25 with 6 rules applied. Total rules applied 86245 place count 2285 transition count 9450
Discarding 1 places :
Symmetric choice reduction at 25 with 1 rule applications. Total rules 86246 place count 2284 transition count 9323
Iterating global reduction 25 with 1 rules applied. Total rules applied 86247 place count 2284 transition count 9323
Drop transitions (Redundant composition of simpler transitions.) removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 25 with 2 rules applied. Total rules applied 86249 place count 2284 transition count 9321
Free-agglomeration rule applied 6 times.
Iterating global reduction 25 with 6 rules applied. Total rules applied 86255 place count 2284 transition count 9315
Reduce places removed 6 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 353 transitions
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 356 transitions.
Iterating post reduction 25 with 362 rules applied. Total rules applied 86617 place count 2278 transition count 8959
Drop transitions (Redundant composition of simpler transitions.) removed 29 transitions
Redundant transition composition rules discarded 29 transitions
Iterating global reduction 26 with 29 rules applied. Total rules applied 86646 place count 2278 transition count 8930
Free-agglomeration rule applied 1 times.
Iterating global reduction 26 with 1 rules applied. Total rules applied 86647 place count 2278 transition count 8929
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 26 with 1 rules applied. Total rules applied 86648 place count 2277 transition count 8929
Partial Free-agglomeration rule applied 9 times.
Drop transitions (Partial Free agglomeration) removed 9 transitions
Iterating global reduction 27 with 9 rules applied. Total rules applied 86657 place count 2277 transition count 8929
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 27 with 1 rules applied. Total rules applied 86658 place count 2277 transition count 8928
Discarding 1 places :
Symmetric choice reduction at 27 with 1 rule applications. Total rules 86659 place count 2276 transition count 8927
Iterating global reduction 27 with 1 rules applied. Total rules applied 86660 place count 2276 transition count 8927
Discarding 1 places :
Symmetric choice reduction at 27 with 1 rule applications. Total rules 86661 place count 2275 transition count 8796
Iterating global reduction 27 with 1 rules applied. Total rules applied 86662 place count 2275 transition count 8796
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 27 with 1 rules applied. Total rules applied 86663 place count 2275 transition count 8795
Partial Post-agglomeration rule applied 1 times.
Drop transitions (Partial Post agglomeration) removed 1 transitions
Iterating global reduction 28 with 1 rules applied. Total rules applied 86664 place count 2275 transition count 8795
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 28 with 1 rules applied. Total rules applied 86665 place count 2275 transition count 8794
Applied a total of 86665 rules in 40585 ms. Remains 2275 /44243 variables (removed 41968) and now considering 8794/66611 (removed 57817) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 40598 ms. Remains : 2275/44243 places, 8794/66611 transitions.
RANDOM walk for 40000 steps (8 resets) in 3952 ms. (10 steps per ms) remains 1/15 properties
FORMULA DLCshifumi-PT-6b-ReachabilityFireability-2024-15 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DLCshifumi-PT-6b-ReachabilityFireability-2024-14 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DLCshifumi-PT-6b-ReachabilityFireability-2024-13 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DLCshifumi-PT-6b-ReachabilityFireability-2024-11 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DLCshifumi-PT-6b-ReachabilityFireability-2024-10 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DLCshifumi-PT-6b-ReachabilityFireability-2024-09 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DLCshifumi-PT-6b-ReachabilityFireability-2024-08 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DLCshifumi-PT-6b-ReachabilityFireability-2024-07 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DLCshifumi-PT-6b-ReachabilityFireability-2024-06 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DLCshifumi-PT-6b-ReachabilityFireability-2024-05 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DLCshifumi-PT-6b-ReachabilityFireability-2024-04 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DLCshifumi-PT-6b-ReachabilityFireability-2024-02 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DLCshifumi-PT-6b-ReachabilityFireability-2024-01 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DLCshifumi-PT-6b-ReachabilityFireability-2024-00 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 40004 steps (8 resets) in 642 ms. (62 steps per ms) remains 1/1 properties
[2026-05-24 22:48:56] [INFO ] Flow matrix only has 1955 transitions (discarded 6839 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-9002037261687363372.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-11627236590559188348.kers'
[2026-05-24 22:48:56] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-9002037261687363372.kers, --Pflows, --basisKERS=/tmp/petrispot-output-11627236590559188348.kers]
Culling duplicate invariants (modulo rational): removing 1287 columns.
Culled 1287 columns in 5 ms.
// Phase 1: matrix 1955 rows 988 cols 9446 entries
Finished phase 1 with 667 SingleSign rule and 0 generalized
[2026-05-24 22:48:56] [INFO ] Computed 1608 invariants in 16 ms
Computed 1608 P flows in 16 ms.
Exported basis to /tmp/petrispot-output-11627236590559188348.kers
Total runtime 23 ms.
[2026-05-24 22:48:57] [INFO ] State equation strengthened by 613 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/71 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Problem DLCshifumi-PT-6b-ReachabilityFireability-2024-12 is UNSAT
FORMULA DLCshifumi-PT-6b-ReachabilityFireability-2024-12 FALSE TECHNIQUES SMT_REFINEMENT
After SMT solving in domain Real declared 366/4230 variables, and 103 constraints, problems are : Problem set: 1 solved, 0 unsolved in 81 ms.
Refiners :[Positive P Invariants (semi-flows): 103/370 constraints, Generalized P Invariants (flows): 0/1238 constraints, State Equation: 0/2275 constraints, ReadFeed: 0/613 constraints, PredecessorRefiner: 1/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 247ms problems are : Problem set: 1 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
All properties solved without resorting to model-checking.
Total runtime 87023 ms.

BK_STOP 1779662937306

--------------------
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
+ [[ ReachabilityFireability = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution ReachabilityFireability -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202604301425.jar
+ VERSION=202604301425
+ echo 'Running Version 202604301425'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination ReachabilityFireability -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="DLCshifumi-PT-6b"
export BK_EXAMINATION="ReachabilityFireability"
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 DLCshifumi-PT-6b, examination is ReachabilityFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r098-tall-177955695800759"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DLCshifumi-PT-6b.tgz
mv DLCshifumi-PT-6b execution
cd execution
if [ "ReachabilityFireability" = "ReachabilityDeadlock" ] || [ "ReachabilityFireability" = "UpperBounds" ] || [ "ReachabilityFireability" = "QuasiLiveness" ] || [ "ReachabilityFireability" = "StableMarking" ] || [ "ReachabilityFireability" = "Liveness" ] || [ "ReachabilityFireability" = "OneSafe" ] || [ "ReachabilityFireability" = "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 [ "ReachabilityFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "ReachabilityFireability" != "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 "ReachabilityFireability.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 '' ReachabilityFireability.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "ReachabilityFireability" = "ReachabilityDeadlock" ] || [ "ReachabilityFireability" = "QuasiLiveness" ] || [ "ReachabilityFireability" = "StableMarking" ] || [ "ReachabilityFireability" = "Liveness" ] || [ "ReachabilityFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME ReachabilityFireability"
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 ;