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-177946967600182.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-309, examination is ReachabilityCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r066-tall-177946967600182
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.1M
-rw-r--r-- 1 mcc users 7.6K Mar 6 08:54 CTLCardinality.txt
-rw-r--r-- 1 mcc users 81K Mar 6 08:54 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.4K Mar 6 08:53 CTLFireability.txt
-rw-r--r-- 1 mcc users 42K 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 4.0K Mar 15 08:23 LTLCardinality.txt
-rw-r--r-- 1 mcc users 29K Mar 15 08:23 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.5K Mar 15 08:24 LTLFireability.txt
-rw-r--r-- 1 mcc users 21K Mar 15 08:24 LTLFireability.xml
-rw-r--r-- 1 mcc users 9.2K Mar 6 08:54 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 90K Mar 6 08:54 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.3K Mar 6 08:54 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 78K Mar 6 08:54 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Mar 15 08:24 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Mar 15 08:24 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-309-ReachabilityCardinality-2024-00
FORMULA_NAME CloudReconfiguration-PT-309-ReachabilityCardinality-2024-01
FORMULA_NAME CloudReconfiguration-PT-309-ReachabilityCardinality-2024-02
FORMULA_NAME CloudReconfiguration-PT-309-ReachabilityCardinality-2024-03
FORMULA_NAME CloudReconfiguration-PT-309-ReachabilityCardinality-2024-04
FORMULA_NAME CloudReconfiguration-PT-309-ReachabilityCardinality-2024-05
FORMULA_NAME CloudReconfiguration-PT-309-ReachabilityCardinality-2024-06
FORMULA_NAME CloudReconfiguration-PT-309-ReachabilityCardinality-2024-07
FORMULA_NAME CloudReconfiguration-PT-309-ReachabilityCardinality-2024-08
FORMULA_NAME CloudReconfiguration-PT-309-ReachabilityCardinality-2024-09
FORMULA_NAME CloudReconfiguration-PT-309-ReachabilityCardinality-2024-10
FORMULA_NAME CloudReconfiguration-PT-309-ReachabilityCardinality-2024-11
FORMULA_NAME CloudReconfiguration-PT-309-ReachabilityCardinality-2024-12
FORMULA_NAME CloudReconfiguration-PT-309-ReachabilityCardinality-2024-13
FORMULA_NAME CloudReconfiguration-PT-309-ReachabilityCardinality-2024-14
FORMULA_NAME CloudReconfiguration-PT-309-ReachabilityCardinality-2024-15

=== Now, execution of the tool begins

BK_START 1779505617147

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-309
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityCardinality PT
Running Version 202604301425
[2026-05-23 03:06:58] [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 03:06:58] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-23 03:06:58] [INFO ] Load time of PNML (sax parser for PT used): 139 ms
[2026-05-23 03:06:58] [INFO ] Transformed 2585 places.
[2026-05-23 03:06:58] [INFO ] Transformed 3095 transitions.
[2026-05-23 03:06:58] [INFO ] Found NUPN structural information;
[2026-05-23 03:06:58] [INFO ] Parsed PT model containing 2585 places and 3095 transitions and 6463 arcs in 239 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityCardinality.xml in 14 ms.
Working with output stream class java.io.PrintStream
FORMULA CloudReconfiguration-PT-309-ReachabilityCardinality-2024-00 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CloudReconfiguration-PT-309-ReachabilityCardinality-2024-07 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CloudReconfiguration-PT-309-ReachabilityCardinality-2024-11 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CloudReconfiguration-PT-309-ReachabilityCardinality-2024-15 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2026-05-23 03:06:59] [INFO ] Flatten gal took : 366 ms
RANDOM walk for 40000 steps (288 resets) in 2279 ms. (17 steps per ms) remains 11/12 properties
FORMULA CloudReconfiguration-PT-309-ReachabilityCardinality-2024-02 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
[2026-05-23 03:06:59] [INFO ] Flatten gal took : 189 ms
BEST_FIRST walk for 40002 steps (75 resets) in 426 ms. (93 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40004 steps (77 resets) in 314 ms. (126 steps per ms) remains 10/11 properties
FORMULA CloudReconfiguration-PT-309-ReachabilityCardinality-2024-10 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
[2026-05-23 03:06:59] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality758143281956715830.gal : 94 ms
[2026-05-23 03:06:59] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality9657861054240756276.prop : 1 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/ReachabilityCardinality758143281956715830.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality9657861054240756276.prop' '--nowitness' '--gen-order' 'FOLLOW'
BEST_FIRST walk for 40004 steps (75 resets) in 174 ms. (228 steps per ms) remains 10/10 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 ...327
BEST_FIRST walk for 40003 steps (81 resets) in 424 ms. (94 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (74 resets) in 216 ms. (184 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40003 steps (80 resets) in 142 ms. (279 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40003 steps (81 resets) in 114 ms. (347 steps per ms) remains 10/10 properties
Loading property file /tmp/ReachabilityCardinality9657861054240756276.prop.
BEST_FIRST walk for 40003 steps (75 resets) in 542 ms. (73 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40003 steps (78 resets) in 154 ms. (258 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40003 steps (78 resets) in 122 ms. (325 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-10744485054404881041.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-9837924300925915812.kers'
[2026-05-23 03:07:00] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-10744485054404881041.kers, --Pflows, --basisKERS=/tmp/petrispot-output-9837924300925915812.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 03:07:00] [INFO ] Computed 4 invariants in 15 ms
Computed 4 P flows in 16 ms.
Exported basis to /tmp/petrispot-output-9837924300925915812.kers
Total runtime 18 ms.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/91 variables, 91/91 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/91 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 2 (OVERLAPS) 2483/2574 variables, 4/95 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/2574 variables, 2483/2578 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/2574 variables, 0/2578 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 5 (OVERLAPS) 3085/5659 variables, 2574/5152 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/5659 variables, 0/5152 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 7 (OVERLAPS) 2/5661 variables, 1/5153 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/5661 variables, 1/5154 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/5661 variables, 0/5154 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 10 (OVERLAPS) 2/5663 variables, 1/5155 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/5663 variables, 1/5156 constraints. Problems are: Problem set: 0 solved, 10 unsolved
SDD proceeding with computation,10 properties remain. new max is 4
SDD size :1 after 2
SDD proceeding with computation,10 properties remain. new max is 8
SDD size :2 after 3
SDD proceeding with computation,10 properties remain. new max is 16
SDD size :3 after 4
SDD proceeding with computation,10 properties remain. new max is 32
SDD size :4 after 5
SDD proceeding with computation,10 properties remain. new max is 64
SDD size :5 after 6
SDD proceeding with computation,10 properties remain. new max is 128
SDD size :6 after 7
SDD proceeding with computation,10 properties remain. new max is 256
SDD size :7 after 9
SDD proceeding with computation,10 properties remain. new max is 512
SDD size :9 after 11
SDD proceeding with computation,10 properties remain. new max is 1024
SDD size :11 after 19
SDD proceeding with computation,10 properties remain. new max is 2048
SDD size :19 after 209
At refinement iteration 12 (INCLUDED_ONLY) 0/5663 variables, 0/5156 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 13 (OVERLAPS) 2/5665 variables, 1/5157 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/5665 variables, 1/5158 constraints. Problems are: Problem set: 0 solved, 10 unsolved
SDD proceeding with computation,10 properties remain. new max is 4096
SDD size :209 after 2267
Reachability property CloudReconfiguration-PT-309-ReachabilityCardinality-2024-13 is true.
FORMULA CloudReconfiguration-PT-309-ReachabilityCardinality-2024-13 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
SDD proceeding with computation,9 properties remain. new max is 4096
SDD size :2267 after 5185
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: 1 solved, 9 unsolved in 5041 ms.
Refiners :[Domain max(s): 2577/2585 constraints, Generalized P Invariants (flows): 4/4 constraints, State Equation: 2577/2585 constraints, PredecessorRefiner: 10/10 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 solved, 9 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/75 variables, 75/75 constraints. Problems are: Problem set: 1 solved, 9 unsolved
Reachability property CloudReconfiguration-PT-309-ReachabilityCardinality-2024-08 is true.
FORMULA CloudReconfiguration-PT-309-ReachabilityCardinality-2024-08 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
At refinement iteration 1 (INCLUDED_ONLY) 0/75 variables, 0/75 constraints. Problems are: Problem set: 2 solved, 8 unsolved
SDD proceeding with computation,8 properties remain. new max is 4096
SDD size :5185 after 10372
SDD proceeding with computation,8 properties remain. new max is 8192
SDD size :10372 after 17864
At refinement iteration 2 (OVERLAPS) 2499/2574 variables, 4/79 constraints. Problems are: Problem set: 2 solved, 8 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/2574 variables, 2499/2578 constraints. Problems are: Problem set: 2 solved, 8 unsolved
Invariant property CloudReconfiguration-PT-309-ReachabilityCardinality-2024-09 does not hold.
FORMULA CloudReconfiguration-PT-309-ReachabilityCardinality-2024-09 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
Reachability property CloudReconfiguration-PT-309-ReachabilityCardinality-2024-04 is true.
FORMULA CloudReconfiguration-PT-309-ReachabilityCardinality-2024-04 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
SDD proceeding with computation,6 properties remain. new max is 8192
SDD size :17864 after 53572
At refinement iteration 4 (INCLUDED_ONLY) 0/2574 variables, 0/2578 constraints. Problems are: Problem set: 4 solved, 6 unsolved
SDD proceeding with computation,6 properties remain. new max is 16384
SDD size :53572 after 123765
At refinement iteration 5 (OVERLAPS) 3085/5659 variables, 2574/5152 constraints. Problems are: Problem set: 4 solved, 6 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/5659 variables, 6/5158 constraints. Problems are: Problem set: 4 solved, 6 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/5659 variables, 0/5158 constraints. Problems are: Problem set: 4 solved, 6 unsolved
At refinement iteration 8 (OVERLAPS) 2/5661 variables, 1/5159 constraints. Problems are: Problem set: 4 solved, 6 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/5661 variables, 1/5160 constraints. Problems are: Problem set: 4 solved, 6 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 5661/5680 variables, and 5160 constraints, problems are : Problem set: 4 solved, 6 unsolved in 5031 ms.
Refiners :[Domain max(s): 2575/2585 constraints, Generalized P Invariants (flows): 4/4 constraints, State Equation: 2575/2585 constraints, PredecessorRefiner: 6/10 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 10225ms problems are : Problem set: 4 solved, 6 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 69 out of 2585 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2585/2585 places, 3095/3095 transitions.
Graph (trivial) has 2813 edges and 2585 vertex of which 705 / 2585 are part of one of the 60 SCC in 18 ms
Free SCC test removed 645 places
Drop transitions (Empty/Sink Transition effects.) removed 792 transitions
Reduce isomorphic transitions removed 792 transitions.
Graph (complete) has 2583 edges and 1940 vertex of which 1927 are kept as prefixes of interest. Removing 13 places using SCC suffix rule.6 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 1183 transitions
Trivial Post-agglo rules discarded 1183 transitions
Performed 1183 trivial Post agglomeration. Transition count delta: 1183
Iterating post reduction 0 with 1191 rules applied. Total rules applied 1193 place count 1927 transition count 1104
Reduce places removed 1183 places and 0 transitions.
Ensure Unique test removed 63 transitions
Reduce isomorphic transitions removed 63 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 1289 rules applied. Total rules applied 2482 place count 744 transition count 998
Reduce places removed 43 places and 0 transitions.
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 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 2 with 47 rules applied. Total rules applied 2529 place count 701 transition count 994
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 3 with 3 rules applied. Total rules applied 2532 place count 700 transition count 992
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 2 transitions
Trivial Post-agglo rules discarded 2 transitions
Performed 2 trivial Post agglomeration. Transition count delta: 2
Iterating post reduction 4 with 4 rules applied. Total rules applied 2536 place count 699 transition count 989
Reduce places removed 2 places and 0 transitions.
Performed 44 Post agglomeration using F-continuation condition.Transition count delta: 44
Iterating post reduction 5 with 46 rules applied. Total rules applied 2582 place count 697 transition count 945
Reduce places removed 44 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 6 with 46 rules applied. Total rules applied 2628 place count 653 transition count 943
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 7 with 1 rules applied. Total rules applied 2629 place count 652 transition count 943
Performed 29 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 8 with 29 Pre rules applied. Total rules applied 2629 place count 652 transition count 914
Deduced a syphon composed of 29 places in 3 ms
Reduce places removed 29 places and 0 transitions.
Iterating global reduction 8 with 58 rules applied. Total rules applied 2687 place count 623 transition count 914
Discarding 77 places :
Symmetric choice reduction at 8 with 77 rule applications. Total rules 2764 place count 546 transition count 837
Iterating global reduction 8 with 77 rules applied. Total rules applied 2841 place count 546 transition count 837
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 8 with 6 rules applied. Total rules applied 2847 place count 546 transition count 831
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 9 with 3 rules applied. Total rules applied 2850 place count 543 transition count 831
Performed 6 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 10 with 6 Pre rules applied. Total rules applied 2850 place count 543 transition count 825
Deduced a syphon composed of 6 places in 1 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 10 with 12 rules applied. Total rules applied 2862 place count 537 transition count 825
Discarding 54 places :
Symmetric choice reduction at 10 with 54 rule applications. Total rules 2916 place count 483 transition count 770
Iterating global reduction 10 with 54 rules applied. Total rules applied 2970 place count 483 transition count 770
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 10 with 25 rules applied. Total rules applied 2995 place count 483 transition count 745
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 3013 place count 471 transition count 739
Reduce places removed 3 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 12 with 4 rules applied. Total rules applied 3017 place count 468 transition count 738
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 13 with 1 rules applied. Total rules applied 3018 place count 467 transition count 738
Discarding 11 places :
Symmetric choice reduction at 14 with 11 rule applications. Total rules 3029 place count 456 transition count 719
Iterating global reduction 14 with 11 rules applied. Total rules applied 3040 place count 456 transition count 719
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 14 with 2 rules applied. Total rules applied 3042 place count 456 transition count 717
Discarding 6 places :
Symmetric choice reduction at 15 with 6 rule applications. Total rules 3048 place count 450 transition count 705
Iterating global reduction 15 with 6 rules applied. Total rules applied 3054 place count 450 transition count 705
Discarding 3 places :
Symmetric choice reduction at 15 with 3 rule applications. Total rules 3057 place count 447 transition count 699
Iterating global reduction 15 with 3 rules applied. Total rules applied 3060 place count 447 transition count 699
Performed 184 Post agglomeration using F-continuation condition with reduction of 69 identical transitions.
Deduced a syphon composed of 184 places in 1 ms
Reduce places removed 184 places and 0 transitions.
Iterating global reduction 15 with 368 rules applied. Total rules applied 3428 place count 263 transition count 446
Ensure Unique test removed 9 transitions
Reduce isomorphic transitions removed 9 transitions.
Iterating post reduction 15 with 9 rules applied. Total rules applied 3437 place count 263 transition count 437
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 16 with 2 rules applied. Total rules applied 3439 place count 262 transition count 436
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 16 with 2 rules applied. Total rules applied 3441 place count 262 transition count 434
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 17 with 2 rules applied. Total rules applied 3443 place count 261 transition count 433
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 17 with 2 rules applied. Total rules applied 3445 place count 261 transition count 431
Performed 43 Post agglomeration using F-continuation condition with reduction of 8 identical transitions.
Deduced a syphon composed of 43 places in 1 ms
Reduce places removed 43 places and 0 transitions.
Iterating global reduction 18 with 86 rules applied. Total rules applied 3531 place count 218 transition count 508
Ensure Unique test removed 33 transitions
Reduce isomorphic transitions removed 33 transitions.
Iterating post reduction 18 with 33 rules applied. Total rules applied 3564 place count 218 transition count 475
Discarding 13 places :
Symmetric choice reduction at 19 with 13 rule applications. Total rules 3577 place count 205 transition count 449
Iterating global reduction 19 with 13 rules applied. Total rules applied 3590 place count 205 transition count 449
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 19 with 4 rules applied. Total rules applied 3594 place count 205 transition count 445
Drop transitions (Redundant composition of simpler transitions.) removed 53 transitions
Redundant transition composition rules discarded 53 transitions
Iterating global reduction 20 with 53 rules applied. Total rules applied 3647 place count 205 transition count 392
Discarding 5 places :
Symmetric choice reduction at 20 with 5 rule applications. Total rules 3652 place count 200 transition count 387
Iterating global reduction 20 with 5 rules applied. Total rules applied 3657 place count 200 transition count 387
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 20 with 1 rules applied. Total rules applied 3658 place count 200 transition count 386
Free-agglomeration rule applied 22 times.
Iterating global reduction 20 with 22 rules applied. Total rules applied 3680 place count 200 transition count 364
Reduce places removed 22 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 20 with 23 rules applied. Total rules applied 3703 place count 178 transition count 363
Drop transitions (Redundant composition of simpler transitions.) removed 6 transitions
Redundant transition composition rules discarded 6 transitions
Iterating global reduction 21 with 6 rules applied. Total rules applied 3709 place count 178 transition count 357
Partial Free-agglomeration rule applied 9 times.
Drop transitions (Partial Free agglomeration) removed 9 transitions
Iterating global reduction 21 with 9 rules applied. Total rules applied 3718 place count 178 transition count 357
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 21 with 1 rules applied. Total rules applied 3719 place count 178 transition count 356
Partial Post-agglomeration rule applied 2 times.
Drop transitions (Partial Post agglomeration) removed 2 transitions
Iterating global reduction 21 with 2 rules applied. Total rules applied 3721 place count 178 transition count 356
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 21 with 1 rules applied. Total rules applied 3722 place count 177 transition count 355
Applied a total of 3722 rules in 439 ms. Remains 177 /2585 variables (removed 2408) and now considering 355/3095 (removed 2740) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 450 ms. Remains : 177/2585 places, 355/3095 transitions.
RANDOM walk for 40000 steps (1803 resets) in 744 ms. (53 steps per ms) remains 2/6 properties
FORMULA CloudReconfiguration-PT-309-ReachabilityCardinality-2024-14 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudReconfiguration-PT-309-ReachabilityCardinality-2024-12 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudReconfiguration-PT-309-ReachabilityCardinality-2024-03 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudReconfiguration-PT-309-ReachabilityCardinality-2024-01 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 40003 steps (45 resets) in 170 ms. (233 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (356 resets) in 122 ms. (325 steps per ms) remains 2/2 properties
[2026-05-23 03:07:11] [INFO ] Flow matrix only has 348 transitions (discarded 7 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-9256040955764085735.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-16589092685036488149.kers'
[2026-05-23 03:07:11] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-9256040955764085735.kers, --Pflows, --basisKERS=/tmp/petrispot-output-16589092685036488149.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 348 rows 177 cols 927 entries
Finished phase 1 with 174 SingleSign rule and 0 generalized
[2026-05-23 03:07:11] [INFO ] Computed 3 invariants in 1 ms
Computed 3 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-16589092685036488149.kers
Total runtime 1 ms.
[2026-05-23 03:07:11] [INFO ] State equation strengthened by 4 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/36 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 112/148 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/148 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 311/459 variables, 148/151 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/459 variables, 0/151 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 41/500 variables, 13/164 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/500 variables, 4/168 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/500 variables, 0/168 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 21/521 variables, 12/180 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/521 variables, 0/180 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (OVERLAPS) 4/525 variables, 4/184 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/525 variables, 0/184 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (OVERLAPS) 0/525 variables, 0/184 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 525/525 variables, and 184 constraints, problems are : Problem set: 0 solved, 2 unsolved in 242 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 177/177 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 2/2 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) 0/36 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Problem CloudReconfiguration-PT-309-ReachabilityCardinality-2024-05 is UNSAT
FORMULA CloudReconfiguration-PT-309-ReachabilityCardinality-2024-05 TRUE TECHNIQUES SMT_REFINEMENT
At refinement iteration 1 (OVERLAPS) 112/148 variables, 3/3 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/148 variables, 0/3 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 311/459 variables, 148/151 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/459 variables, 0/151 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 41/500 variables, 13/164 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/500 variables, 4/168 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/500 variables, 1/169 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/500 variables, 0/169 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 21/521 variables, 12/181 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/521 variables, 0/181 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 4/525 variables, 4/185 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/525 variables, 0/185 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/525 variables, 0/185 constraints. Problems are: Problem set: 1 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 525/525 variables, and 185 constraints, problems are : Problem set: 1 solved, 1 unsolved in 302 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 177/177 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 1/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 567ms problems are : Problem set: 1 solved, 1 unsolved
Finished Parikh walk after 31 steps, including 0 resets, run visited all 1 properties in 2 ms. (steps per millisecond=15 )
FORMULA CloudReconfiguration-PT-309-ReachabilityCardinality-2024-06 FALSE TECHNIQUES PARIKH_WALK
Parikh walk visited 1 properties in 11 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 13642 ms.

BK_STOP 1779505631984

--------------------
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-309"
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-309, 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-177946967600182"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/CloudReconfiguration-PT-309.tgz
mv CloudReconfiguration-PT-309 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 ;