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-177946967500118.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-301, examination is ReachabilityCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r066-tall-177946967500118
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.1M
-rw-r--r-- 1 mcc users 6.2K Mar 6 08:54 CTLCardinality.txt
-rw-r--r-- 1 mcc users 61K Mar 6 08:54 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.7K Mar 6 08:54 CTLFireability.txt
-rw-r--r-- 1 mcc users 47K Mar 6 08:54 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 3.7K Mar 15 08:21 LTLCardinality.txt
-rw-r--r-- 1 mcc users 24K Mar 15 08:21 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.5K Mar 15 08:21 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 15 08:21 LTLFireability.xml
-rw-r--r-- 1 mcc users 16K Mar 6 08:54 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 168K Mar 6 08:54 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 6.9K Mar 6 08:54 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 51K Mar 6 08:54 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Mar 15 08:21 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Mar 15 08:21 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-301-ReachabilityCardinality-2024-00
FORMULA_NAME CloudReconfiguration-PT-301-ReachabilityCardinality-2024-01
FORMULA_NAME CloudReconfiguration-PT-301-ReachabilityCardinality-2024-02
FORMULA_NAME CloudReconfiguration-PT-301-ReachabilityCardinality-2024-03
FORMULA_NAME CloudReconfiguration-PT-301-ReachabilityCardinality-2024-04
FORMULA_NAME CloudReconfiguration-PT-301-ReachabilityCardinality-2024-05
FORMULA_NAME CloudReconfiguration-PT-301-ReachabilityCardinality-2024-06
FORMULA_NAME CloudReconfiguration-PT-301-ReachabilityCardinality-2024-07
FORMULA_NAME CloudReconfiguration-PT-301-ReachabilityCardinality-2024-08
FORMULA_NAME CloudReconfiguration-PT-301-ReachabilityCardinality-2024-09
FORMULA_NAME CloudReconfiguration-PT-301-ReachabilityCardinality-2024-10
FORMULA_NAME CloudReconfiguration-PT-301-ReachabilityCardinality-2024-11
FORMULA_NAME CloudReconfiguration-PT-301-ReachabilityCardinality-2024-12
FORMULA_NAME CloudReconfiguration-PT-301-ReachabilityCardinality-2024-13
FORMULA_NAME CloudReconfiguration-PT-301-ReachabilityCardinality-2024-14
FORMULA_NAME CloudReconfiguration-PT-301-ReachabilityCardinality-2024-15

=== Now, execution of the tool begins

BK_START 1779497595172

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-301
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityCardinality PT
Running Version 202604301425
[2026-05-23 00:53:16] [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 00:53:16] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-23 00:53:16] [INFO ] Load time of PNML (sax parser for PT used): 150 ms
[2026-05-23 00:53:16] [INFO ] Transformed 2584 places.
[2026-05-23 00:53:16] [INFO ] Transformed 3094 transitions.
[2026-05-23 00:53:16] [INFO ] Found NUPN structural information;
[2026-05-23 00:53:16] [INFO ] Parsed PT model containing 2584 places and 3094 transitions and 6459 arcs in 256 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityCardinality.xml in 22 ms.
Working with output stream class java.io.PrintStream
FORMULA CloudReconfiguration-PT-301-ReachabilityCardinality-2024-02 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CloudReconfiguration-PT-301-ReachabilityCardinality-2024-06 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
RANDOM walk for 40000 steps (315 resets) in 1841 ms. (21 steps per ms) remains 11/14 properties
FORMULA CloudReconfiguration-PT-301-ReachabilityCardinality-2024-08 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudReconfiguration-PT-301-ReachabilityCardinality-2024-03 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudReconfiguration-PT-301-ReachabilityCardinality-2024-01 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 40003 steps (93 resets) in 593 ms. (67 steps per ms) remains 11/11 properties
[2026-05-23 00:53:17] [INFO ] Flatten gal took : 330 ms
BEST_FIRST walk for 40002 steps (86 resets) in 197 ms. (202 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40003 steps (81 resets) in 315 ms. (126 steps per ms) remains 11/11 properties
[2026-05-23 00:53:17] [INFO ] Flatten gal took : 126 ms
BEST_FIRST walk for 40004 steps (84 resets) in 192 ms. (207 steps per ms) remains 11/11 properties
[2026-05-23 00:53:17] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality12650592628077554869.gal : 87 ms
BEST_FIRST walk for 40003 steps (82 resets) in 209 ms. (190 steps per ms) remains 11/11 properties
[2026-05-23 00:53:17] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality8919221353622404837.prop : 3 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/ReachabilityCardinality12650592628077554869.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality8919221353622404837.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 40004 steps (89 resets) in 192 ms. (207 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40003 steps (85 resets) in 192 ms. (207 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40002 steps (82 resets) in 156 ms. (254 steps per ms) remains 10/11 properties
FORMULA CloudReconfiguration-PT-301-ReachabilityCardinality-2024-09 FALSE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 40004 steps (84 resets) in 196 ms. (203 steps per ms) remains 10/10 properties
Loading property file /tmp/ReachabilityCardinality8919221353622404837.prop.
BEST_FIRST walk for 40003 steps (86 resets) in 196 ms. (203 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40003 steps (85 resets) in 158 ms. (251 steps per ms) remains 10/10 properties
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-10540435354068748589.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-10139046774865948141.kers'
[2026-05-23 00:53:18] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-10540435354068748589.kers, --Pflows, --basisKERS=/tmp/petrispot-output-10139046774865948141.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 00:53:18] [INFO ] Computed 4 invariants in 18 ms
Computed 4 P flows in 19 ms.
Exported basis to /tmp/petrispot-output-10139046774865948141.kers
Total runtime 21 ms.
Excessive predecessor constraint size, skipping predecessor.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/151 variables, 151/151 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/151 variables, 0/151 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 2 (OVERLAPS) 2422/2573 variables, 4/155 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/2573 variables, 2422/2577 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/2573 variables, 0/2577 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 5 (OVERLAPS) 3084/5657 variables, 2573/5150 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/5657 variables, 0/5150 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 7 (OVERLAPS) 2/5659 variables, 1/5151 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/5659 variables, 1/5152 constraints. Problems are: Problem set: 0 solved, 10 unsolved
SDD proceeding with computation,11 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,11 properties remain. new max is 8
SDD size :5 after 6
SDD proceeding with computation,11 properties remain. new max is 16
SDD size :6 after 7
SDD proceeding with computation,11 properties remain. new max is 32
SDD size :7 after 8
SDD proceeding with computation,11 properties remain. new max is 64
SDD size :8 after 9
SDD proceeding with computation,11 properties remain. new max is 128
SDD size :9 after 10
SDD proceeding with computation,11 properties remain. new max is 256
SDD size :10 after 11
SDD proceeding with computation,11 properties remain. new max is 512
SDD size :11 after 19
SDD proceeding with computation,11 properties remain. new max is 1024
SDD size :19 after 21
At refinement iteration 9 (INCLUDED_ONLY) 0/5659 variables, 0/5152 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 10 (OVERLAPS) 2/5661 variables, 1/5153 constraints. Problems are: Problem set: 0 solved, 10 unsolved
SDD proceeding with computation,11 properties remain. new max is 2048
SDD size :21 after 253
At refinement iteration 11 (INCLUDED_ONLY) 0/5661 variables, 1/5154 constraints. Problems are: Problem set: 0 solved, 10 unsolved
SDD proceeding with computation,11 properties remain. new max is 4096
SDD size :253 after 2472
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 5661/5678 variables, and 5154 constraints, problems are : Problem set: 0 solved, 10 unsolved in 5050 ms.
Refiners :[Domain max(s): 2575/2584 constraints, Generalized P Invariants (flows): 4/4 constraints, State Equation: 2575/2584 constraints, PredecessorRefiner: 10/9 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 10 unsolved
Reachability property CloudReconfiguration-PT-301-ReachabilityCardinality-2024-10 is true.
FORMULA CloudReconfiguration-PT-301-ReachabilityCardinality-2024-10 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
At refinement iteration 0 (INCLUDED_ONLY) 0/151 variables, 151/151 constraints. Problems are: Problem set: 1 solved, 9 unsolved
Reachability property CloudReconfiguration-PT-301-ReachabilityCardinality-2024-07 is true.
FORMULA CloudReconfiguration-PT-301-ReachabilityCardinality-2024-07 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
Invariant property CloudReconfiguration-PT-301-ReachabilityCardinality-2024-05 does not hold.
FORMULA CloudReconfiguration-PT-301-ReachabilityCardinality-2024-05 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
SDD proceeding with computation,8 properties remain. new max is 4096
SDD size :2472 after 6394
At refinement iteration 1 (INCLUDED_ONLY) 0/151 variables, 0/151 constraints. Problems are: Problem set: 3 solved, 7 unsolved
At refinement iteration 2 (OVERLAPS) 2422/2573 variables, 4/155 constraints. Problems are: Problem set: 3 solved, 7 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/2573 variables, 2422/2577 constraints. Problems are: Problem set: 3 solved, 7 unsolved
SDD proceeding with computation,8 properties remain. new max is 8192
SDD size :6394 after 11562
At refinement iteration 4 (INCLUDED_ONLY) 0/2573 variables, 0/2577 constraints. Problems are: Problem set: 3 solved, 7 unsolved
At refinement iteration 5 (OVERLAPS) 3084/5657 variables, 2573/5150 constraints. Problems are: Problem set: 3 solved, 7 unsolved
SDD proceeding with computation,8 properties remain. new max is 16384
SDD size :11562 after 65269
At refinement iteration 6 (INCLUDED_ONLY) 0/5657 variables, 6/5156 constraints. Problems are: Problem set: 3 solved, 7 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/5657 variables, 0/5156 constraints. Problems are: Problem set: 3 solved, 7 unsolved
At refinement iteration 8 (OVERLAPS) 2/5659 variables, 1/5157 constraints. Problems are: Problem set: 3 solved, 7 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/5659 variables, 1/5158 constraints. Problems are: Problem set: 3 solved, 7 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 5659/5678 variables, and 5158 constraints, problems are : Problem set: 3 solved, 7 unsolved in 5031 ms.
Refiners :[Domain max(s): 2574/2584 constraints, Generalized P Invariants (flows): 4/4 constraints, State Equation: 2574/2584 constraints, PredecessorRefiner: 7/9 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 10251ms problems are : Problem set: 3 solved, 7 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 122 out of 2584 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2584/2584 places, 3094/3094 transitions.
Graph (trivial) has 2639 edges and 2584 vertex of which 509 / 2584 are part of one of the 51 SCC in 28 ms
Free SCC test removed 458 places
Drop transitions (Empty/Sink Transition effects.) removed 558 transitions
Reduce isomorphic transitions removed 558 transitions.
Graph (complete) has 2814 edges and 2126 vertex of which 2113 are kept as prefixes of interest. Removing 13 places using SCC suffix rule.8 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 1186 transitions
Trivial Post-agglo rules discarded 1186 transitions
Performed 1186 trivial Post agglomeration. Transition count delta: 1186
Iterating post reduction 0 with 1194 rules applied. Total rules applied 1196 place count 2113 transition count 1334
Reduce places removed 1186 places and 0 transitions.
Ensure Unique test removed 59 transitions
Reduce isomorphic transitions removed 59 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 37 transitions
Trivial Post-agglo rules discarded 37 transitions
Performed 37 trivial Post agglomeration. Transition count delta: 37
Iterating post reduction 1 with 1282 rules applied. Total rules applied 2478 place count 927 transition count 1238
Reduce places removed 37 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 43 rules applied. Total rules applied 2521 place count 890 transition count 1232
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 2 transitions
Trivial Post-agglo rules discarded 2 transitions
Performed 2 trivial Post agglomeration. Transition count delta: 2
Iterating post reduction 3 with 6 rules applied. Total rules applied 2527 place count 888 transition count 1228
Reduce places removed 2 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 4 with 4 rules applied. Total rules applied 2531 place count 886 transition count 1226
Reduce places removed 1 places and 0 transitions.
Performed 93 Post agglomeration using F-continuation condition.Transition count delta: 93
Iterating post reduction 5 with 94 rules applied. Total rules applied 2625 place count 885 transition count 1133
Reduce places removed 93 places and 0 transitions.
Ensure Unique test removed 9 transitions
Reduce isomorphic transitions removed 9 transitions.
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: 3
Iterating post reduction 6 with 105 rules applied. Total rules applied 2730 place count 792 transition count 1121
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 7 with 3 rules applied. Total rules applied 2733 place count 789 transition count 1121
Performed 38 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 8 with 38 Pre rules applied. Total rules applied 2733 place count 789 transition count 1083
Deduced a syphon composed of 38 places in 1 ms
Reduce places removed 38 places and 0 transitions.
Iterating global reduction 8 with 76 rules applied. Total rules applied 2809 place count 751 transition count 1083
Discarding 111 places :
Symmetric choice reduction at 8 with 111 rule applications. Total rules 2920 place count 640 transition count 972
Iterating global reduction 8 with 111 rules applied. Total rules applied 3031 place count 640 transition count 972
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 8 with 6 rules applied. Total rules applied 3037 place count 640 transition count 966
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 9 with 1 rules applied. Total rules applied 3038 place count 639 transition count 966
Performed 4 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 10 with 4 Pre rules applied. Total rules applied 3038 place count 639 transition count 962
Deduced a syphon composed of 4 places in 2 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 10 with 8 rules applied. Total rules applied 3046 place count 635 transition count 962
Discarding 51 places :
Symmetric choice reduction at 10 with 51 rule applications. Total rules 3097 place count 584 transition count 911
Iterating global reduction 10 with 51 rules applied. Total rules applied 3148 place count 584 transition count 911
Ensure Unique test removed 12 transitions
Reduce isomorphic transitions removed 12 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 10 with 24 rules applied. Total rules applied 3172 place count 584 transition count 887
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 3 transitions
Trivial Post-agglo rules discarded 3 transitions
Performed 3 trivial Post agglomeration. Transition count delta: 3
Iterating post reduction 11 with 18 rules applied. Total rules applied 3190 place count 572 transition count 881
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 12 with 3 rules applied. Total rules applied 3193 place count 569 transition count 881
Discarding 10 places :
Symmetric choice reduction at 13 with 10 rule applications. Total rules 3203 place count 559 transition count 865
Iterating global reduction 13 with 10 rules applied. Total rules applied 3213 place count 559 transition count 865
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 13 with 3 rules applied. Total rules applied 3216 place count 559 transition count 862
Discarding 4 places :
Symmetric choice reduction at 14 with 4 rule applications. Total rules 3220 place count 555 transition count 854
Iterating global reduction 14 with 4 rules applied. Total rules applied 3224 place count 555 transition count 854
Discarding 2 places :
Symmetric choice reduction at 14 with 2 rule applications. Total rules 3226 place count 553 transition count 850
Iterating global reduction 14 with 2 rules applied. Total rules applied 3228 place count 553 transition count 850
Performed 184 Post agglomeration using F-continuation condition with reduction of 60 identical transitions.
Deduced a syphon composed of 184 places in 1 ms
Reduce places removed 184 places and 0 transitions.
Iterating global reduction 14 with 368 rules applied. Total rules applied 3596 place count 369 transition count 606
Ensure Unique test removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 14 with 10 rules applied. Total rules applied 3606 place count 369 transition count 596
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: 4
Deduced a syphon composed of 4 places in 1 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 15 with 8 rules applied. Total rules applied 3614 place count 365 transition count 592
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 15 with 6 rules applied. Total rules applied 3620 place count 365 transition count 586
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 16 with 4 rules applied. Total rules applied 3624 place count 363 transition count 584
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 16 with 4 rules applied. Total rules applied 3628 place count 363 transition count 580
Performed 48 Post agglomeration using F-continuation condition with reduction of 20 identical transitions.
Deduced a syphon composed of 48 places in 1 ms
Reduce places removed 48 places and 0 transitions.
Iterating global reduction 17 with 96 rules applied. Total rules applied 3724 place count 315 transition count 646
Ensure Unique test removed 20 transitions
Reduce isomorphic transitions removed 20 transitions.
Iterating post reduction 17 with 20 rules applied. Total rules applied 3744 place count 315 transition count 626
Discarding 9 places :
Symmetric choice reduction at 18 with 9 rule applications. Total rules 3753 place count 306 transition count 602
Iterating global reduction 18 with 9 rules applied. Total rules applied 3762 place count 306 transition count 602
Drop transitions (Redundant composition of simpler transitions.) removed 35 transitions
Redundant transition composition rules discarded 35 transitions
Iterating global reduction 18 with 35 rules applied. Total rules applied 3797 place count 306 transition count 567
Free-agglomeration rule applied 38 times.
Iterating global reduction 18 with 38 rules applied. Total rules applied 3835 place count 306 transition count 529
Reduce places removed 38 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 18 with 39 rules applied. Total rules applied 3874 place count 268 transition count 528
Drop transitions (Redundant composition of simpler transitions.) removed 6 transitions
Redundant transition composition rules discarded 6 transitions
Iterating global reduction 19 with 6 rules applied. Total rules applied 3880 place count 268 transition count 522
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 19 with 1 rules applied. Total rules applied 3881 place count 268 transition count 522
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 19 with 1 rules applied. Total rules applied 3882 place count 267 transition count 522
Partial Free-agglomeration rule applied 21 times.
Drop transitions (Partial Free agglomeration) removed 21 transitions
Iterating global reduction 20 with 21 rules applied. Total rules applied 3903 place count 267 transition count 522
Drop transitions (Redundant composition of simpler transitions.) removed 4 transitions
Redundant transition composition rules discarded 4 transitions
Iterating global reduction 20 with 4 rules applied. Total rules applied 3907 place count 267 transition count 518
Partial Post-agglomeration rule applied 4 times.
Drop transitions (Partial Post agglomeration) removed 4 transitions
Iterating global reduction 20 with 4 rules applied. Total rules applied 3911 place count 267 transition count 518
Drop transitions (Redundant composition of simpler transitions.) removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 20 with 2 rules applied. Total rules applied 3913 place count 267 transition count 516
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 20 with 1 rules applied. Total rules applied 3914 place count 266 transition count 515
Applied a total of 3914 rules in 535 ms. Remains 266 /2584 variables (removed 2318) and now considering 515/3094 (removed 2579) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 541 ms. Remains : 266/2584 places, 515/3094 transitions.
RANDOM walk for 40000 steps (273 resets) in 372 ms. (107 steps per ms) remains 1/7 properties
FORMULA CloudReconfiguration-PT-301-ReachabilityCardinality-2024-15 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudReconfiguration-PT-301-ReachabilityCardinality-2024-14 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudReconfiguration-PT-301-ReachabilityCardinality-2024-13 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudReconfiguration-PT-301-ReachabilityCardinality-2024-12 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudReconfiguration-PT-301-ReachabilityCardinality-2024-11 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudReconfiguration-PT-301-ReachabilityCardinality-2024-04 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 40004 steps (69 resets) in 135 ms. (294 steps per ms) remains 1/1 properties
[2026-05-23 00:53:29] [INFO ] Flow matrix only has 506 transitions (discarded 9 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-6462918901699879540.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-11162297583941432113.kers'
[2026-05-23 00:53:29] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-6462918901699879540.kers, --Pflows, --basisKERS=/tmp/petrispot-output-11162297583941432113.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 506 rows 266 cols 1263 entries
Finished phase 1 with 263 SingleSign rule and 0 generalized
[2026-05-23 00:53:29] [INFO ] Computed 3 invariants in 2 ms
Computed 3 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-11162297583941432113.kers
Total runtime 2 ms.
[2026-05-23 00:53:29] [INFO ] State equation strengthened by 19 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/29 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 175/204 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/204 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 430/634 variables, 204/207 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/634 variables, 16/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/634 variables, 0/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 92/726 variables, 34/257 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/726 variables, 2/259 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/726 variables, 0/259 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 35/761 variables, 20/279 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/761 variables, 0/279 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 10/771 variables, 7/286 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/771 variables, 1/287 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/771 variables, 0/287 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 1/772 variables, 1/288 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/772 variables, 0/288 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 0/772 variables, 0/288 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 772/772 variables, and 288 constraints, problems are : Problem set: 0 solved, 1 unsolved in 300 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 266/266 constraints, ReadFeed: 19/19 constraints, PredecessorRefiner: 1/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/29 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 175/204 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/204 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 430/634 variables, 204/207 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/634 variables, 16/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/634 variables, 1/224 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/634 variables, 0/224 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 92/726 variables, 34/258 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/726 variables, 2/260 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/726 variables, 0/260 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 35/761 variables, 20/280 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/761 variables, 0/280 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 10/771 variables, 7/287 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/771 variables, 1/288 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/771 variables, 0/288 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 1/772 variables, 1/289 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/772 variables, 0/289 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 0/772 variables, 0/289 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 772/772 variables, and 289 constraints, problems are : Problem set: 0 solved, 1 unsolved in 755 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 266/266 constraints, ReadFeed: 19/19 constraints, PredecessorRefiner: 1/0 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1077ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 43 steps, including 1 resets, run visited all 1 properties in 1 ms. (steps per millisecond=43 )
FORMULA CloudReconfiguration-PT-301-ReachabilityCardinality-2024-00 TRUE TECHNIQUES PARIKH_WALK
Parikh walk visited 1 properties in 16 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 13918 ms.

BK_STOP 1779497610285

--------------------
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-301"
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-301, 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-177946967500118"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/CloudReconfiguration-PT-301.tgz
mv CloudReconfiguration-PT-301 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 ;