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-177946967500142.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 CloudReconfiguration-PT-304, examination is ReachabilityCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r066-tall-177946967500142
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.1M
-rw-r--r-- 1 mcc users 6.8K Mar 6 08:53 CTLCardinality.txt
-rw-r--r-- 1 mcc users 69K Mar 6 08:53 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.3K Mar 6 08:53 CTLFireability.txt
-rw-r--r-- 1 mcc users 57K 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 18K Mar 15 08:22 LTLFireability.xml
-rw-r--r-- 1 mcc users 13K Mar 6 08:53 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 135K Mar 6 08:53 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.5K Mar 6 08:53 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 58K 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-304-ReachabilityCardinality-2024-00
FORMULA_NAME CloudReconfiguration-PT-304-ReachabilityCardinality-2024-01
FORMULA_NAME CloudReconfiguration-PT-304-ReachabilityCardinality-2024-02
FORMULA_NAME CloudReconfiguration-PT-304-ReachabilityCardinality-2024-03
FORMULA_NAME CloudReconfiguration-PT-304-ReachabilityCardinality-2024-04
FORMULA_NAME CloudReconfiguration-PT-304-ReachabilityCardinality-2024-05
FORMULA_NAME CloudReconfiguration-PT-304-ReachabilityCardinality-2024-06
FORMULA_NAME CloudReconfiguration-PT-304-ReachabilityCardinality-2024-07
FORMULA_NAME CloudReconfiguration-PT-304-ReachabilityCardinality-2024-08
FORMULA_NAME CloudReconfiguration-PT-304-ReachabilityCardinality-2024-09
FORMULA_NAME CloudReconfiguration-PT-304-ReachabilityCardinality-2024-10
FORMULA_NAME CloudReconfiguration-PT-304-ReachabilityCardinality-2024-11
FORMULA_NAME CloudReconfiguration-PT-304-ReachabilityCardinality-2024-12
FORMULA_NAME CloudReconfiguration-PT-304-ReachabilityCardinality-2024-13
FORMULA_NAME CloudReconfiguration-PT-304-ReachabilityCardinality-2024-14
FORMULA_NAME CloudReconfiguration-PT-304-ReachabilityCardinality-2024-15

=== Now, execution of the tool begins

BK_START 1779500936268

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-304
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityCardinality PT
Running Version 202604301425
[2026-05-23 01:48:57] [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 01:48:57] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-23 01:48:57] [INFO ] Load time of PNML (sax parser for PT used): 144 ms
[2026-05-23 01:48:57] [INFO ] Transformed 2584 places.
[2026-05-23 01:48:57] [INFO ] Transformed 3094 transitions.
[2026-05-23 01:48:57] [INFO ] Found NUPN structural information;
[2026-05-23 01:48:57] [INFO ] Parsed PT model containing 2584 places and 3094 transitions and 6459 arcs in 251 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityCardinality.xml in 19 ms.
Working with output stream class java.io.PrintStream
FORMULA CloudReconfiguration-PT-304-ReachabilityCardinality-2024-12 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CloudReconfiguration-PT-304-ReachabilityCardinality-2024-14 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
RANDOM walk for 40000 steps (313 resets) in 2397 ms. (16 steps per ms) remains 11/14 properties
FORMULA CloudReconfiguration-PT-304-ReachabilityCardinality-2024-11 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudReconfiguration-PT-304-ReachabilityCardinality-2024-08 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudReconfiguration-PT-304-ReachabilityCardinality-2024-01 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
[2026-05-23 01:48:58] [INFO ] Flatten gal took : 369 ms
BEST_FIRST walk for 40004 steps (83 resets) in 443 ms. (90 steps per ms) remains 10/11 properties
FORMULA CloudReconfiguration-PT-304-ReachabilityCardinality-2024-09 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
[2026-05-23 01:48:58] [INFO ] Flatten gal took : 141 ms
BEST_FIRST walk for 40002 steps (83 resets) in 269 ms. (148 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40003 steps (84 resets) in 159 ms. (250 steps per ms) remains 9/10 properties
FORMULA CloudReconfiguration-PT-304-ReachabilityCardinality-2024-05 FALSE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
[2026-05-23 01:48:58] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality17039906418457698816.gal : 121 ms
[2026-05-23 01:48:59] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality6932267993034434281.prop : 6 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/ReachabilityCardinality17039906418457698816.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality6932267993034434281.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
BEST_FIRST walk for 40002 steps (91 resets) in 665 ms. (60 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40002 steps (83 resets) in 350 ms. (113 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40001 steps (85 resets) in 246 ms. (161 steps per ms) remains 9/9 properties
Loading property file /tmp/ReachabilityCardinality6932267993034434281.prop.
BEST_FIRST walk for 40002 steps (85 resets) in 152 ms. (261 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40003 steps (86 resets) in 230 ms. (173 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40002 steps (80 resets) in 230 ms. (173 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-6010717413616955321.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-2309853197587269180.kers'
[2026-05-23 01:48:59] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-6010717413616955321.kers, --Pflows, --basisKERS=/tmp/petrispot-output-2309853197587269180.kers]
Culled 0 columns in 1 ms.
// Phase 1: matrix 3094 rows 2584 cols 6459 entries
Finished phase 1 with 2579 SingleSign rule and 1 generalized
[2026-05-23 01:48:59] [INFO ] Computed 4 invariants in 15 ms
Computed 4 P flows in 16 ms.
Exported basis to /tmp/petrispot-output-2309853197587269180.kers
Total runtime 19 ms.
Excessive predecessor constraint size, skipping predecessor.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/129 variables, 129/129 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/129 variables, 0/129 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 2 (OVERLAPS) 2445/2574 variables, 4/133 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/2574 variables, 2445/2578 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
SDD proceeding with computation,9 properties remain. new max is 4
SDD size :1 after 4
SDD proceeding with computation,9 properties remain. new max is 8
SDD size :4 after 5
SDD proceeding with computation,9 properties remain. new max is 16
SDD size :5 after 6
SDD proceeding with computation,9 properties remain. new max is 32
SDD size :6 after 7
SDD proceeding with computation,9 properties remain. new max is 64
SDD size :7 after 8
SDD proceeding with computation,9 properties remain. new max is 128
SDD size :8 after 9
SDD proceeding with computation,9 properties remain. new max is 256
SDD size :9 after 10
SDD proceeding with computation,9 properties remain. new max is 512
SDD size :10 after 11
SDD proceeding with computation,9 properties remain. new max is 1024
SDD size :11 after 20
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 2048
SDD size :20 after 453
SDD proceeding with computation,9 properties remain. new max is 4096
SDD size :453 after 2460
SDD proceeding with computation,9 properties remain. new max is 8192
SDD size :2460 after 6416
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
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 5665/5678 variables, and 5158 constraints, problems are : Problem set: 0 solved, 9 unsolved in 5045 ms.
Refiners :[Domain max(s): 2577/2584 constraints, Generalized P Invariants (flows): 4/4 constraints, State Equation: 2577/2584 constraints, PredecessorRefiner: 9/7 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) 0/129 variables, 129/129 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/129 variables, 0/129 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 2 (OVERLAPS) 2445/2574 variables, 4/133 constraints. Problems are: Problem set: 0 solved, 9 unsolved
SDD proceeding with computation,9 properties remain. new max is 16384
SDD size :6416 after 48708
At refinement iteration 3 (INCLUDED_ONLY) 0/2574 variables, 2445/2578 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
SDD proceeding with computation,9 properties remain. new max is 32768
SDD size :48708 after 468041
At refinement iteration 6 (INCLUDED_ONLY) 0/5659 variables, 7/5159 constraints. Problems are: Problem set: 0 solved, 9 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 5659/5678 variables, and 5159 constraints, problems are : Problem set: 0 solved, 9 unsolved in 5031 ms.
Refiners :[Domain max(s): 2574/2584 constraints, Generalized P Invariants (flows): 4/4 constraints, State Equation: 2574/2584 constraints, PredecessorRefiner: 9/7 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 10273ms problems are : Problem set: 0 solved, 9 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 129 out of 2584 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2584/2584 places, 3094/3094 transitions.
Graph (trivial) has 2674 edges and 2584 vertex of which 557 / 2584 are part of one of the 55 SCC in 25 ms
Free SCC test removed 502 places
Drop transitions (Empty/Sink Transition effects.) removed 619 transitions
Reduce isomorphic transitions removed 619 transitions.
Graph (complete) has 2753 edges and 2082 vertex of which 2069 are kept as prefixes of interest. Removing 13 places using SCC suffix rule.5 ms
Discarding 13 places :
Also discarding 8 output transitions
Drop transitions (Output transitions of discarded places.) removed 8 transitions
Drop transitions (Empty/Sink Transition effects.) removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1190 transitions
Trivial Post-agglo rules discarded 1190 transitions
Performed 1190 trivial Post agglomeration. Transition count delta: 1190
Iterating post reduction 0 with 1198 rules applied. Total rules applied 1200 place count 2069 transition count 1269
Reduce places removed 1190 places and 0 transitions.
Ensure Unique test removed 64 transitions
Reduce isomorphic transitions removed 64 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 43 transitions
Trivial Post-agglo rules discarded 43 transitions
Performed 43 trivial Post agglomeration. Transition count delta: 43
Iterating post reduction 1 with 1297 rules applied. Total rules applied 2497 place count 879 transition count 1162
Reduce places removed 43 places and 0 transitions.
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Performed 71 Post agglomeration using F-continuation condition.Transition count delta: 71
Iterating post reduction 2 with 117 rules applied. Total rules applied 2614 place count 836 transition count 1088
Reduce places removed 71 places and 0 transitions.
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 3 with 77 rules applied. Total rules applied 2691 place count 765 transition count 1082
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 4 with 1 rules applied. Total rules applied 2692 place count 764 transition count 1082
Performed 34 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 5 with 34 Pre rules applied. Total rules applied 2692 place count 764 transition count 1048
Deduced a syphon composed of 34 places in 2 ms
Reduce places removed 34 places and 0 transitions.
Iterating global reduction 5 with 68 rules applied. Total rules applied 2760 place count 730 transition count 1048
Invariant property CloudReconfiguration-PT-304-ReachabilityCardinality-2024-15 does not hold.
FORMULA CloudReconfiguration-PT-304-ReachabilityCardinality-2024-15 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
Reachability property CloudReconfiguration-PT-304-ReachabilityCardinality-2024-07 is true.
FORMULA CloudReconfiguration-PT-304-ReachabilityCardinality-2024-07 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
Discarding 88 places :
Symmetric choice reduction at 5 with 88 rule applications. Total rules 2848 place count 642 transition count 960
Iterating global reduction 5 with 88 rules applied. Total rules applied 2936 place count 642 transition count 960
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 5 with 6 rules applied. Total rules applied 2942 place count 642 transition count 954
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 6 with 2 rules applied. Total rules applied 2944 place count 640 transition count 954
Performed 5 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 7 with 5 Pre rules applied. Total rules applied 2944 place count 640 transition count 949
Deduced a syphon composed of 5 places in 2 ms
Reduce places removed 5 places and 0 transitions.
Iterating global reduction 7 with 10 rules applied. Total rules applied 2954 place count 635 transition count 949
Discarding 52 places :
Symmetric choice reduction at 7 with 52 rule applications. Total rules 3006 place count 583 transition count 897
Iterating global reduction 7 with 52 rules applied. Total rules applied 3058 place count 583 transition count 897
Ensure Unique test removed 13 transitions
Reduce isomorphic transitions removed 13 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 12 transitions
Trivial Post-agglo rules discarded 12 transitions
Performed 12 trivial Post agglomeration. Transition count delta: 12
Iterating post reduction 7 with 25 rules applied. Total rules applied 3083 place count 583 transition count 872
Reduce places removed 12 places and 0 transitions.
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 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 8 with 17 rules applied. Total rules applied 3100 place count 571 transition count 867
Reduce places removed 2 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 9 with 3 rules applied. Total rules applied 3103 place count 569 transition count 866
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 10 with 1 rules applied. Total rules applied 3104 place count 568 transition count 866
Discarding 9 places :
Symmetric choice reduction at 11 with 9 rule applications. Total rules 3113 place count 559 transition count 850
Iterating global reduction 11 with 9 rules applied. Total rules applied 3122 place count 559 transition count 850
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 11 with 2 rules applied. Total rules applied 3124 place count 559 transition count 848
Discarding 3 places :
Symmetric choice reduction at 12 with 3 rule applications. Total rules 3127 place count 556 transition count 842
Iterating global reduction 12 with 3 rules applied. Total rules applied 3130 place count 556 transition count 842
Discarding 1 places :
Symmetric choice reduction at 12 with 1 rule applications. Total rules 3131 place count 555 transition count 840
Iterating global reduction 12 with 1 rules applied. Total rules applied 3132 place count 555 transition count 840
Performed 180 Post agglomeration using F-continuation condition with reduction of 50 identical transitions.
Deduced a syphon composed of 180 places in 1 ms
Reduce places removed 180 places and 0 transitions.
Iterating global reduction 12 with 360 rules applied. Total rules applied 3492 place count 375 transition count 610
Ensure Unique test removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 12 with 10 rules applied. Total rules applied 3502 place count 375 transition count 600
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 13 with 2 rules applied. Total rules applied 3504 place count 374 transition count 599
Performed 49 Post agglomeration using F-continuation condition with reduction of 16 identical transitions.
Deduced a syphon composed of 49 places in 1 ms
Reduce places removed 49 places and 0 transitions.
Iterating global reduction 13 with 98 rules applied. Total rules applied 3602 place count 325 transition count 644
Ensure Unique test removed 28 transitions
Reduce isomorphic transitions removed 28 transitions.
Iterating post reduction 13 with 28 rules applied. Total rules applied 3630 place count 325 transition count 616
Discarding 12 places :
Symmetric choice reduction at 14 with 12 rule applications. Total rules 3642 place count 313 transition count 591
Iterating global reduction 14 with 12 rules applied. Total rules applied 3654 place count 313 transition count 591
Drop transitions (Redundant composition of simpler transitions.) removed 43 transitions
Redundant transition composition rules discarded 43 transitions
Iterating global reduction 14 with 43 rules applied. Total rules applied 3697 place count 313 transition count 548
Discarding 1 places :
Symmetric choice reduction at 14 with 1 rule applications. Total rules 3698 place count 312 transition count 547
Iterating global reduction 14 with 1 rules applied. Total rules applied 3699 place count 312 transition count 547
Free-agglomeration rule applied 35 times.
Iterating global reduction 14 with 35 rules applied. Total rules applied 3734 place count 312 transition count 512
Reduce places removed 35 places and 0 transitions.
Iterating post reduction 14 with 35 rules applied. Total rules applied 3769 place count 277 transition count 512
Drop transitions (Redundant composition of simpler transitions.) removed 6 transitions
Redundant transition composition rules discarded 6 transitions
Iterating global reduction 15 with 6 rules applied. Total rules applied 3775 place count 277 transition count 506
Partial Free-agglomeration rule applied 16 times.
Drop transitions (Partial Free agglomeration) removed 16 transitions
Iterating global reduction 15 with 16 rules applied. Total rules applied 3791 place count 277 transition count 506
Drop transitions (Redundant composition of simpler transitions.) removed 3 transitions
Redundant transition composition rules discarded 3 transitions
Iterating global reduction 15 with 3 rules applied. Total rules applied 3794 place count 277 transition count 503
Partial Post-agglomeration rule applied 6 times.
Drop transitions (Partial Post agglomeration) removed 6 transitions
Iterating global reduction 15 with 6 rules applied. Total rules applied 3800 place count 277 transition count 503
Applied a total of 3800 rules in 460 ms. Remains 277 /2584 variables (removed 2307) and now considering 503/3094 (removed 2591) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 466 ms. Remains : 277/2584 places, 503/3094 transitions.
RANDOM walk for 40000 steps (1632 resets) in 440 ms. (90 steps per ms) remains 3/7 properties
FORMULA CloudReconfiguration-PT-304-ReachabilityCardinality-2024-13 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudReconfiguration-PT-304-ReachabilityCardinality-2024-10 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudReconfiguration-PT-304-ReachabilityCardinality-2024-03 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudReconfiguration-PT-304-ReachabilityCardinality-2024-02 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 40002 steps (415 resets) in 87 ms. (454 steps per ms) remains 2/3 properties
FORMULA CloudReconfiguration-PT-304-ReachabilityCardinality-2024-00 FALSE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 40002 steps (304 resets) in 216 ms. (184 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (436 resets) in 89 ms. (444 steps per ms) remains 2/2 properties
[2026-05-23 01:49:10] [INFO ] Flow matrix only has 495 transitions (discarded 8 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-5666404469925592361.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-7481083373316331964.kers'
[2026-05-23 01:49:10] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-5666404469925592361.kers, --Pflows, --basisKERS=/tmp/petrispot-output-7481083373316331964.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 495 rows 277 cols 1231 entries
Finished phase 1 with 274 SingleSign rule and 0 generalized
[2026-05-23 01:49:10] [INFO ] Computed 3 invariants in 2 ms
Computed 3 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-7481083373316331964.kers
Total runtime 3 ms.
[2026-05-23 01:49:10] [INFO ] State equation strengthened by 25 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/66 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 168/234 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/234 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 448/682 variables, 234/237 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/682 variables, 0/237 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 62/744 variables, 24/261 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/744 variables, 25/286 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/744 variables, 0/286 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 22/766 variables, 15/301 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/766 variables, 0/301 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (OVERLAPS) 5/771 variables, 3/304 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/771 variables, 0/304 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (OVERLAPS) 1/772 variables, 1/305 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/772 variables, 0/305 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (OVERLAPS) 0/772 variables, 0/305 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 772/772 variables, and 305 constraints, problems are : Problem set: 0 solved, 2 unsolved in 522 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 277/277 constraints, ReadFeed: 25/25 constraints, PredecessorRefiner: 2/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/66 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 168/234 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
SDD proceeding with computation,7 properties remain. new max is 32768
At refinement iteration 2 (INCLUDED_ONLY) 0/234 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
SDD size :468041 after 1.13316e+07
At refinement iteration 3 (OVERLAPS) 448/682 variables, 234/237 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/682 variables, 1/238 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/682 variables, 0/238 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 62/744 variables, 24/262 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/744 variables, 25/287 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/744 variables, 0/287 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 22/766 variables, 15/302 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/766 variables, 0/302 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 5/771 variables, 3/305 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/771 variables, 0/305 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Problem CloudReconfiguration-PT-304-ReachabilityCardinality-2024-04 is UNSAT
FORMULA CloudReconfiguration-PT-304-ReachabilityCardinality-2024-04 TRUE TECHNIQUES SMT_REFINEMENT
At refinement iteration 13 (OVERLAPS) 1/772 variables, 1/306 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/772 variables, 0/306 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/772 variables, 0/306 constraints. Problems are: Problem set: 1 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 772/772 variables, and 306 constraints, problems are : Problem set: 1 solved, 1 unsolved in 871 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 277/277 constraints, ReadFeed: 25/25 constraints, PredecessorRefiner: 2/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1420ms problems are : Problem set: 1 solved, 1 unsolved
Finished Parikh walk after 37 steps, including 0 resets, run visited all 1 properties in 1 ms. (steps per millisecond=37 )
FORMULA CloudReconfiguration-PT-304-ReachabilityCardinality-2024-06 TRUE TECHNIQUES PARIKH_WALK
Parikh walk visited 1 properties in 7 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 14550 ms.

BK_STOP 1779500952076

--------------------
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-304"
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-304, 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-177946967500142"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/CloudReconfiguration-PT-304.tgz
mv CloudReconfiguration-PT-304 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 ;