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.r066-tall-177946967500150.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 CloudReconfiguration-PT-305, examination is ReachabilityCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r066-tall-177946967500150
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.1M
-rw-r--r-- 1 mcc users 7.5K Mar 6 08:53 CTLCardinality.txt
-rw-r--r-- 1 mcc users 76K Mar 6 08:53 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.1K Mar 6 08:53 CTLFireability.txt
-rw-r--r-- 1 mcc users 54K Mar 6 08:53 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.8K Mar 3 18:30 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.8K Mar 15 08:22 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K Mar 15 08:22 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K Mar 15 08:22 LTLFireability.txt
-rw-r--r-- 1 mcc users 20K Mar 15 08:22 LTLFireability.xml
-rw-r--r-- 1 mcc users 7.9K Mar 6 08:53 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 74K Mar 6 08:53 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.0K Mar 6 08:53 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 64K Mar 6 08:53 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Mar 15 08:22 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Mar 15 08:22 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 660K 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 CloudReconfiguration-PT-305-ReachabilityCardinality-2024-00
FORMULA_NAME CloudReconfiguration-PT-305-ReachabilityCardinality-2024-01
FORMULA_NAME CloudReconfiguration-PT-305-ReachabilityCardinality-2024-02
FORMULA_NAME CloudReconfiguration-PT-305-ReachabilityCardinality-2024-03
FORMULA_NAME CloudReconfiguration-PT-305-ReachabilityCardinality-2024-04
FORMULA_NAME CloudReconfiguration-PT-305-ReachabilityCardinality-2024-05
FORMULA_NAME CloudReconfiguration-PT-305-ReachabilityCardinality-2024-06
FORMULA_NAME CloudReconfiguration-PT-305-ReachabilityCardinality-2024-07
FORMULA_NAME CloudReconfiguration-PT-305-ReachabilityCardinality-2024-08
FORMULA_NAME CloudReconfiguration-PT-305-ReachabilityCardinality-2024-09
FORMULA_NAME CloudReconfiguration-PT-305-ReachabilityCardinality-2024-10
FORMULA_NAME CloudReconfiguration-PT-305-ReachabilityCardinality-2024-11
FORMULA_NAME CloudReconfiguration-PT-305-ReachabilityCardinality-2024-12
FORMULA_NAME CloudReconfiguration-PT-305-ReachabilityCardinality-2024-13
FORMULA_NAME CloudReconfiguration-PT-305-ReachabilityCardinality-2024-14
FORMULA_NAME CloudReconfiguration-PT-305-ReachabilityCardinality-2024-15

=== Now, execution of the tool begins

BK_START 1779501647824

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=ReachabilityCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=CloudReconfiguration-PT-305
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityCardinality PT
Running Version 202604301425
[2026-05-23 02:00:48] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityCardinality, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2026-05-23 02:00:48] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-23 02:00:49] [INFO ] Load time of PNML (sax parser for PT used): 149 ms
[2026-05-23 02:00:49] [INFO ] Transformed 2585 places.
[2026-05-23 02:00:49] [INFO ] Transformed 3095 transitions.
[2026-05-23 02:00:49] [INFO ] Found NUPN structural information;
[2026-05-23 02:00:49] [INFO ] Parsed PT model containing 2585 places and 3095 transitions and 6463 arcs in 250 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityCardinality.xml in 13 ms.
Working with output stream class java.io.PrintStream
FORMULA CloudReconfiguration-PT-305-ReachabilityCardinality-2024-02 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CloudReconfiguration-PT-305-ReachabilityCardinality-2024-06 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CloudReconfiguration-PT-305-ReachabilityCardinality-2024-12 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CloudReconfiguration-PT-305-ReachabilityCardinality-2024-14 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
RANDOM walk for 40000 steps (308 resets) in 1657 ms. (24 steps per ms) remains 11/12 properties
FORMULA CloudReconfiguration-PT-305-ReachabilityCardinality-2024-11 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 40002 steps (97 resets) in 378 ms. (105 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40002 steps (85 resets) in 263 ms. (151 steps per ms) remains 11/11 properties
[2026-05-23 02:00:50] [INFO ] Flatten gal took : 334 ms
BEST_FIRST walk for 40002 steps (92 resets) in 332 ms. (120 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40002 steps (99 resets) in 309 ms. (129 steps per ms) remains 10/11 properties
FORMULA CloudReconfiguration-PT-305-ReachabilityCardinality-2024-15 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
[2026-05-23 02:00:50] [INFO ] Flatten gal took : 124 ms
BEST_FIRST walk for 40002 steps (86 resets) in 261 ms. (152 steps per ms) remains 10/10 properties
[2026-05-23 02:00:50] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality45445351054074882.gal : 92 ms
BEST_FIRST walk for 40003 steps (97 resets) in 161 ms. (246 steps per ms) remains 9/10 properties
FORMULA CloudReconfiguration-PT-305-ReachabilityCardinality-2024-04 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
[2026-05-23 02:00:50] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality8051680275703212734.prop : 4 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/ReachabilityCardinality45445351054074882.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality8051680275703212734.prop' '--nowitness' '--gen-order' 'FOLLOW'
BEST_FIRST walk for 40003 steps (96 resets) in 172 ms. (231 steps per ms) remains 9/9 properties

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 ...326
BEST_FIRST walk for 40003 steps (94 resets) in 150 ms. (264 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (92 resets) in 173 ms. (229 steps per ms) remains 9/9 properties
Loading property file /tmp/ReachabilityCardinality8051680275703212734.prop.
BEST_FIRST walk for 40002 steps (88 resets) in 651 ms. (61 steps per ms) remains 9/9 properties
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-12334575110168228655.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-4182436528485123465.kers'
[2026-05-23 02:00:50] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-12334575110168228655.kers, --Pflows, --basisKERS=/tmp/petrispot-output-4182436528485123465.kers]
Culled 0 columns in 1 ms.
// Phase 1: matrix 3095 rows 2585 cols 6463 entries
Finished phase 1 with 2580 SingleSign rule and 1 generalized
[2026-05-23 02:00:50] [INFO ] Computed 4 invariants in 23 ms
Computed 4 P flows in 28 ms.
Exported basis to /tmp/petrispot-output-4182436528485123465.kers
Total runtime 31 ms.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/51 variables, 51/51 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/51 variables, 0/51 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 2 (OVERLAPS) 2523/2574 variables, 4/55 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/2574 variables, 2523/2578 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/2574 variables, 0/2578 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 5 (OVERLAPS) 3085/5659 variables, 2574/5152 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/5659 variables, 0/5152 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 7 (OVERLAPS) 2/5661 variables, 1/5153 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/5661 variables, 1/5154 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/5661 variables, 0/5154 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 10 (OVERLAPS) 2/5663 variables, 1/5155 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/5663 variables, 1/5156 constraints. Problems are: Problem set: 0 solved, 9 unsolved
SDD proceeding with computation,9 properties remain. new max is 4
SDD size :1 after 2
SDD proceeding with computation,9 properties remain. new max is 8
SDD size :2 after 3
SDD proceeding with computation,9 properties remain. new max is 16
SDD size :3 after 4
SDD proceeding with computation,9 properties remain. new max is 32
SDD size :4 after 5
SDD proceeding with computation,9 properties remain. new max is 64
SDD size :5 after 6
SDD proceeding with computation,9 properties remain. new max is 128
SDD size :6 after 7
SDD proceeding with computation,9 properties remain. new max is 256
SDD size :7 after 9
SDD proceeding with computation,9 properties remain. new max is 512
SDD size :9 after 11
SDD proceeding with computation,9 properties remain. new max is 1024
SDD size :11 after 19
SDD proceeding with computation,9 properties remain. new max is 2048
SDD size :19 after 197
At refinement iteration 12 (INCLUDED_ONLY) 0/5663 variables, 0/5156 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 13 (OVERLAPS) 2/5665 variables, 1/5157 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/5665 variables, 1/5158 constraints. Problems are: Problem set: 0 solved, 9 unsolved
SDD proceeding with computation,9 properties remain. new max is 4096
SDD size :197 after 3510
SDD proceeding with computation,9 properties remain. new max is 8192
SDD size :3510 after 5415
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 5665/5680 variables, and 5158 constraints, problems are : Problem set: 0 solved, 9 unsolved in 5045 ms.
Refiners :[Domain max(s): 2577/2585 constraints, Generalized P Invariants (flows): 4/4 constraints, State Equation: 2577/2585 constraints, PredecessorRefiner: 9/9 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 9 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/51 variables, 51/51 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/51 variables, 0/51 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 2 (OVERLAPS) 2523/2574 variables, 4/55 constraints. Problems are: Problem set: 0 solved, 9 unsolved
Reachability property CloudReconfiguration-PT-305-ReachabilityCardinality-2024-09 is true.
FORMULA CloudReconfiguration-PT-305-ReachabilityCardinality-2024-09 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
At refinement iteration 3 (INCLUDED_ONLY) 0/2574 variables, 2523/2578 constraints. Problems are: Problem set: 1 solved, 8 unsolved
Invariant property CloudReconfiguration-PT-305-ReachabilityCardinality-2024-01 does not hold.
FORMULA CloudReconfiguration-PT-305-ReachabilityCardinality-2024-01 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
SDD proceeding with computation,7 properties remain. new max is 8192
SDD size :5415 after 555620
At refinement iteration 4 (INCLUDED_ONLY) 0/2574 variables, 0/2578 constraints. Problems are: Problem set: 2 solved, 7 unsolved
SDD proceeding with computation,7 properties remain. new max is 16384
SDD size :555620 after 1.20326e+06
At refinement iteration 5 (OVERLAPS) 3085/5659 variables, 2574/5152 constraints. Problems are: Problem set: 2 solved, 7 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/5659 variables, 7/5159 constraints. Problems are: Problem set: 2 solved, 7 unsolved
SDD proceeding with computation,7 properties remain. new max is 32768
SDD size :1.20326e+06 after 5.49354e+06
At refinement iteration 7 (INCLUDED_ONLY) 0/5659 variables, 0/5159 constraints. Problems are: Problem set: 2 solved, 7 unsolved
At refinement iteration 8 (OVERLAPS) 2/5661 variables, 1/5160 constraints. Problems are: Problem set: 2 solved, 7 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/5661 variables, 1/5161 constraints. Problems are: Problem set: 2 solved, 7 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 5661/5680 variables, and 5161 constraints, problems are : Problem set: 2 solved, 7 unsolved in 5036 ms.
Refiners :[Domain max(s): 2575/2585 constraints, Generalized P Invariants (flows): 4/4 constraints, State Equation: 2575/2585 constraints, PredecessorRefiner: 7/9 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 10236ms problems are : Problem set: 2 solved, 7 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 48 out of 2585 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2585/2585 places, 3095/3095 transitions.
Graph (trivial) has 2844 edges and 2585 vertex of which 734 / 2585 are part of one of the 58 SCC in 18 ms
Free SCC test removed 676 places
Drop transitions (Empty/Sink Transition effects.) removed 822 transitions
Reduce isomorphic transitions removed 822 transitions.
Graph (complete) has 2553 edges and 1909 vertex of which 1895 are kept as prefixes of interest. Removing 14 places using SCC suffix rule.5 ms
Discarding 14 places :
Also discarding 9 output transitions
Drop transitions (Output transitions of discarded places.) removed 9 transitions
Drop transitions (Empty/Sink Transition effects.) removed 9 transitions
Reduce isomorphic transitions removed 9 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1206 transitions
Trivial Post-agglo rules discarded 1206 transitions
Performed 1206 trivial Post agglomeration. Transition count delta: 1206
Iterating post reduction 0 with 1215 rules applied. Total rules applied 1217 place count 1895 transition count 1049
Reduce places removed 1206 places and 0 transitions.
Ensure Unique test removed 73 transitions
Reduce isomorphic transitions removed 73 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 51 transitions
Trivial Post-agglo rules discarded 51 transitions
Performed 51 trivial Post agglomeration. Transition count delta: 51
Iterating post reduction 1 with 1330 rules applied. Total rules applied 2547 place count 689 transition count 925
Reduce places removed 51 places and 0 transitions.
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 2 transitions
Trivial Post-agglo rules discarded 2 transitions
Performed 2 trivial Post agglomeration. Transition count delta: 2
Iterating post reduction 2 with 57 rules applied. Total rules applied 2604 place count 638 transition count 919
Reduce places removed 2 places and 0 transitions.
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 3 transitions
Trivial Post-agglo rules discarded 3 transitions
Performed 3 trivial Post agglomeration. Transition count delta: 3
Iterating post reduction 3 with 7 rules applied. Total rules applied 2611 place count 636 transition count 914
Reduce places removed 3 places and 0 transitions.
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 2 transitions
Trivial Post-agglo rules discarded 2 transitions
Performed 2 trivial Post agglomeration. Transition count delta: 2
Iterating post reduction 4 with 7 rules applied. Total rules applied 2618 place count 633 transition count 910
Reduce places removed 2 places and 0 transitions.
Performed 32 Post agglomeration using F-continuation condition.Transition count delta: 32
Iterating post reduction 5 with 34 rules applied. Total rules applied 2652 place count 631 transition count 878
Reduce places removed 32 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 6 with 33 rules applied. Total rules applied 2685 place count 599 transition count 877
Performed 28 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 7 with 28 Pre rules applied. Total rules applied 2685 place count 599 transition count 849
Deduced a syphon composed of 28 places in 2 ms
Reduce places removed 28 places and 0 transitions.
Iterating global reduction 7 with 56 rules applied. Total rules applied 2741 place count 571 transition count 849
Discarding 84 places :
Symmetric choice reduction at 7 with 84 rule applications. Total rules 2825 place count 487 transition count 765
Iterating global reduction 7 with 84 rules applied. Total rules applied 2909 place count 487 transition count 765
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 7 with 6 rules applied. Total rules applied 2915 place count 487 transition count 759
Reduce places removed 1 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 8 with 3 rules applied. Total rules applied 2918 place count 486 transition count 757
Reduce places removed 1 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 9 with 3 rules applied. Total rules applied 2921 place count 485 transition count 755
Reduce places removed 1 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 10 with 3 rules applied. Total rules applied 2924 place count 484 transition count 753
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 11 with 1 rules applied. Total rules applied 2925 place count 483 transition count 753
Performed 7 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 12 with 7 Pre rules applied. Total rules applied 2925 place count 483 transition count 746
Deduced a syphon composed of 7 places in 1 ms
Reduce places removed 7 places and 0 transitions.
Iterating global reduction 12 with 14 rules applied. Total rules applied 2939 place count 476 transition count 746
Discarding 58 places :
Symmetric choice reduction at 12 with 58 rule applications. Total rules 2997 place count 418 transition count 687
Iterating global reduction 12 with 58 rules applied. Total rules applied 3055 place count 418 transition count 687
Ensure Unique test removed 17 transitions
Reduce isomorphic transitions removed 17 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 16 transitions
Trivial Post-agglo rules discarded 16 transitions
Performed 16 trivial Post agglomeration. Transition count delta: 16
Iterating post reduction 12 with 33 rules applied. Total rules applied 3088 place count 418 transition count 654
Reduce places removed 16 places and 0 transitions.
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 4 transitions
Trivial Post-agglo rules discarded 4 transitions
Performed 4 trivial Post agglomeration. Transition count delta: 4
Iterating post reduction 13 with 24 rules applied. Total rules applied 3112 place count 402 transition count 646
Reduce places removed 4 places and 0 transitions.
Iterating post reduction 14 with 4 rules applied. Total rules applied 3116 place count 398 transition count 646
Discarding 16 places :
Symmetric choice reduction at 15 with 16 rule applications. Total rules 3132 place count 382 transition count 621
Iterating global reduction 15 with 16 rules applied. Total rules applied 3148 place count 382 transition count 621
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 15 with 7 rules applied. Total rules applied 3155 place count 382 transition count 614
Discarding 5 places :
Symmetric choice reduction at 16 with 5 rule applications. Total rules 3160 place count 377 transition count 604
Iterating global reduction 16 with 5 rules applied. Total rules applied 3165 place count 377 transition count 604
Discarding 3 places :
Symmetric choice reduction at 16 with 3 rule applications. Total rules 3168 place count 374 transition count 598
Iterating global reduction 16 with 3 rules applied. Total rules applied 3171 place count 374 transition count 598
Performed 155 Post agglomeration using F-continuation condition with reduction of 60 identical transitions.
Deduced a syphon composed of 155 places in 1 ms
Reduce places removed 155 places and 0 transitions.
Iterating global reduction 16 with 310 rules applied. Total rules applied 3481 place count 219 transition count 383
Ensure Unique test removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 16 with 10 rules applied. Total rules applied 3491 place count 219 transition count 373
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 17 with 4 rules applied. Total rules applied 3495 place count 217 transition count 371
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 17 with 4 rules applied. Total rules applied 3499 place count 217 transition count 367
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 18 with 2 rules applied. Total rules applied 3501 place count 216 transition count 366
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 18 with 1 rules applied. Total rules applied 3502 place count 216 transition count 365
Performed 44 Post agglomeration using F-continuation condition with reduction of 16 identical transitions.
Deduced a syphon composed of 44 places in 0 ms
Reduce places removed 44 places and 0 transitions.
Iterating global reduction 19 with 88 rules applied. Total rules applied 3590 place count 172 transition count 406
Ensure Unique test removed 27 transitions
Reduce isomorphic transitions removed 27 transitions.
Iterating post reduction 19 with 27 rules applied. Total rules applied 3617 place count 172 transition count 379
Discarding 13 places :
Symmetric choice reduction at 20 with 13 rule applications. Total rules 3630 place count 159 transition count 353
Iterating global reduction 20 with 13 rules applied. Total rules applied 3643 place count 159 transition count 353
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 20 with 2 rules applied. Total rules applied 3645 place count 159 transition count 351
Discarding 2 places :
Symmetric choice reduction at 21 with 2 rule applications. Total rules 3647 place count 157 transition count 347
Iterating global reduction 21 with 2 rules applied. Total rules applied 3649 place count 157 transition count 347
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 21 with 2 rules applied. Total rules applied 3651 place count 157 transition count 345
Drop transitions (Redundant composition of simpler transitions.) removed 34 transitions
Redundant transition composition rules discarded 34 transitions
Iterating global reduction 22 with 34 rules applied. Total rules applied 3685 place count 157 transition count 311
Discarding 2 places :
Symmetric choice reduction at 22 with 2 rule applications. Total rules 3687 place count 155 transition count 309
Iterating global reduction 22 with 2 rules applied. Total rules applied 3689 place count 155 transition count 309
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 22 with 1 rules applied. Total rules applied 3690 place count 155 transition count 308
Free-agglomeration rule applied 11 times.
Iterating global reduction 22 with 11 rules applied. Total rules applied 3701 place count 155 transition count 297
Reduce places removed 11 places and 0 transitions.
Iterating post reduction 22 with 11 rules applied. Total rules applied 3712 place count 144 transition count 297
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 23 with 1 rules applied. Total rules applied 3713 place count 144 transition count 296
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 23 with 1 rules applied. Total rules applied 3714 place count 144 transition count 296
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 23 with 1 rules applied. Total rules applied 3715 place count 143 transition count 296
Partial Free-agglomeration rule applied 8 times.
Drop transitions (Partial Free agglomeration) removed 8 transitions
Iterating global reduction 24 with 8 rules applied. Total rules applied 3723 place count 143 transition count 296
Drop transitions (Redundant composition of simpler transitions.) removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 24 with 2 rules applied. Total rules applied 3725 place count 143 transition count 294
Discarding 1 places :
Symmetric choice reduction at 24 with 1 rule applications. Total rules 3726 place count 142 transition count 293
Iterating global reduction 24 with 1 rules applied. Total rules applied 3727 place count 142 transition count 293
Partial Post-agglomeration rule applied 2 times.
Drop transitions (Partial Post agglomeration) removed 2 transitions
Iterating global reduction 24 with 2 rules applied. Total rules applied 3729 place count 142 transition count 293
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 24 with 1 rules applied. Total rules applied 3730 place count 141 transition count 292
Applied a total of 3730 rules in 426 ms. Remains 141 /2585 variables (removed 2444) and now considering 292/3095 (removed 2803) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 433 ms. Remains : 141/2585 places, 292/3095 transitions.
RANDOM walk for 40000 steps (8 resets) in 345 ms. (115 steps per ms) remains 3/7 properties
FORMULA CloudReconfiguration-PT-305-ReachabilityCardinality-2024-13 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudReconfiguration-PT-305-ReachabilityCardinality-2024-05 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudReconfiguration-PT-305-ReachabilityCardinality-2024-03 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudReconfiguration-PT-305-ReachabilityCardinality-2024-00 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 40002 steps (8 resets) in 103 ms. (384 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40003 steps (8 resets) in 111 ms. (357 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (8 resets) in 95 ms. (416 steps per ms) remains 3/3 properties
[2026-05-23 02:01:01] [INFO ] Flow matrix only has 282 transitions (discarded 10 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-897345910941371141.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-6066639450097680490.kers'
[2026-05-23 02:01:01] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-897345910941371141.kers, --Pflows, --basisKERS=/tmp/petrispot-output-6066639450097680490.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 282 rows 141 cols 764 entries
Finished phase 1 with 137 SingleSign rule and 0 generalized
[2026-05-23 02:01:01] [INFO ] Computed 4 invariants in 1 ms
Computed 4 P flows in 6 ms.
Exported basis to /tmp/petrispot-output-6066639450097680490.kers
Total runtime 6 ms.
[2026-05-23 02:01:01] [INFO ] State equation strengthened by 4 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/11 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 125/136 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/136 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 281/417 variables, 136/140 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/417 variables, 3/143 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/417 variables, 0/143 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (OVERLAPS) 6/423 variables, 5/148 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/423 variables, 1/149 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/423 variables, 0/149 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (OVERLAPS) 0/423 variables, 0/149 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 423/423 variables, and 149 constraints, problems are : Problem set: 0 solved, 3 unsolved in 147 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 141/141 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/11 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 125/136 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/136 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/136 variables, 2/7 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/136 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 281/417 variables, 136/143 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/417 variables, 3/146 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/417 variables, 2/148 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/417 variables, 0/148 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (OVERLAPS) 6/423 variables, 5/153 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/423 variables, 1/154 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/423 variables, 1/155 constraints. Problems are: Problem set: 0 solved, 3 unsolved
Problem CloudReconfiguration-PT-305-ReachabilityCardinality-2024-08 is UNSAT
FORMULA CloudReconfiguration-PT-305-ReachabilityCardinality-2024-08 FALSE TECHNIQUES SMT_REFINEMENT
At refinement iteration 12 (INCLUDED_ONLY) 0/423 variables, 3/158 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/423 variables, 0/158 constraints. Problems are: Problem set: 1 solved, 2 unsolved
SDD proceeding with computation,7 properties remain. new max is 65536
SDD size :5.49354e+06 after 2.54013e+07
At refinement iteration 14 (OVERLAPS) 0/423 variables, 0/158 constraints. Problems are: Problem set: 1 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 423/423 variables, and 158 constraints, problems are : Problem set: 1 solved, 2 unsolved in 847 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 141/141 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 6/6 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1022ms problems are : Problem set: 1 solved, 2 unsolved
FORMULA CloudReconfiguration-PT-305-ReachabilityCardinality-2024-07 TRUE TECHNIQUES PARIKH_WALK
Finished Parikh walk after 339 steps, including 62 resets, run visited all 1 properties in 2 ms. (steps per millisecond=169 )
FORMULA CloudReconfiguration-PT-305-ReachabilityCardinality-2024-10 FALSE TECHNIQUES PARIKH_WALK
Parikh walk visited 2 properties in 12 ms.
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 13727 ms.

BK_STOP 1779501662755

--------------------
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
+ [[ ReachabilityCardinality = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution ReachabilityCardinality -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 ReachabilityCardinality -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="CloudReconfiguration-PT-305"
export BK_EXAMINATION="ReachabilityCardinality"
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 CloudReconfiguration-PT-305, examination is ReachabilityCardinality"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r066-tall-177946967500150"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/CloudReconfiguration-PT-305.tgz
mv CloudReconfiguration-PT-305 execution
cd execution
if [ "ReachabilityCardinality" = "ReachabilityDeadlock" ] || [ "ReachabilityCardinality" = "UpperBounds" ] || [ "ReachabilityCardinality" = "QuasiLiveness" ] || [ "ReachabilityCardinality" = "StableMarking" ] || [ "ReachabilityCardinality" = "Liveness" ] || [ "ReachabilityCardinality" = "OneSafe" ] || [ "ReachabilityCardinality" = "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 [ "ReachabilityCardinality" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "ReachabilityCardinality" != "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 "ReachabilityCardinality.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 '' ReachabilityCardinality.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "ReachabilityCardinality" = "ReachabilityDeadlock" ] || [ "ReachabilityCardinality" = "QuasiLiveness" ] || [ "ReachabilityCardinality" = "StableMarking" ] || [ "ReachabilityCardinality" = "Liveness" ] || [ "ReachabilityCardinality" = "OneSafe" ] ; then
echo "FORMULA_NAME ReachabilityCardinality"
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 ;