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-177946967600191.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-310, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r066-tall-177946967600191
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.1M
-rw-r--r-- 1 mcc users 7.3K Mar 6 08:54 CTLCardinality.txt
-rw-r--r-- 1 mcc users 77K Mar 6 08:54 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.3K Mar 6 08:54 CTLFireability.txt
-rw-r--r-- 1 mcc users 56K 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 3.9K Mar 15 08:24 LTLCardinality.txt
-rw-r--r-- 1 mcc users 29K Mar 15 08:24 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.5K Mar 15 08:24 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Mar 15 08:24 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K Mar 6 08:54 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 111K Mar 6 08:54 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.0K Mar 6 08:54 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 64K 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-310-ReachabilityFireability-2024-00
FORMULA_NAME CloudReconfiguration-PT-310-ReachabilityFireability-2024-01
FORMULA_NAME CloudReconfiguration-PT-310-ReachabilityFireability-2024-02
FORMULA_NAME CloudReconfiguration-PT-310-ReachabilityFireability-2024-03
FORMULA_NAME CloudReconfiguration-PT-310-ReachabilityFireability-2024-04
FORMULA_NAME CloudReconfiguration-PT-310-ReachabilityFireability-2024-05
FORMULA_NAME CloudReconfiguration-PT-310-ReachabilityFireability-2024-06
FORMULA_NAME CloudReconfiguration-PT-310-ReachabilityFireability-2024-07
FORMULA_NAME CloudReconfiguration-PT-310-ReachabilityFireability-2024-08
FORMULA_NAME CloudReconfiguration-PT-310-ReachabilityFireability-2024-09
FORMULA_NAME CloudReconfiguration-PT-310-ReachabilityFireability-2024-10
FORMULA_NAME CloudReconfiguration-PT-310-ReachabilityFireability-2024-11
FORMULA_NAME CloudReconfiguration-PT-310-ReachabilityFireability-2024-12
FORMULA_NAME CloudReconfiguration-PT-310-ReachabilityFireability-2024-13
FORMULA_NAME CloudReconfiguration-PT-310-ReachabilityFireability-2024-14
FORMULA_NAME CloudReconfiguration-PT-310-ReachabilityFireability-2024-15

=== Now, execution of the tool begins

BK_START 1779507347225

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=ReachabilityFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=CloudReconfiguration-PT-310
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityFireability PT
Running Version 202604301425
[2026-05-23 03:35:48] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityFireability, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2026-05-23 03:35:48] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-23 03:35:48] [INFO ] Load time of PNML (sax parser for PT used): 146 ms
[2026-05-23 03:35:48] [INFO ] Transformed 2585 places.
[2026-05-23 03:35:48] [INFO ] Transformed 3095 transitions.
[2026-05-23 03:35:48] [INFO ] Found NUPN structural information;
[2026-05-23 03:35:48] [INFO ] Parsed PT model containing 2585 places and 3095 transitions and 6463 arcs in 261 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 13 ms.
Working with output stream class java.io.PrintStream
RANDOM walk for 40000 steps (321 resets) in 2384 ms. (16 steps per ms) remains 11/16 properties
FORMULA CloudReconfiguration-PT-310-ReachabilityFireability-2024-09 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudReconfiguration-PT-310-ReachabilityFireability-2024-03 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudReconfiguration-PT-310-ReachabilityFireability-2024-02 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudReconfiguration-PT-310-ReachabilityFireability-2024-01 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudReconfiguration-PT-310-ReachabilityFireability-2024-00 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
[2026-05-23 03:35:49] [INFO ] Flatten gal took : 412 ms
BEST_FIRST walk for 40003 steps (81 resets) in 595 ms. (67 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40003 steps (97 resets) in 243 ms. (163 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40004 steps (96 resets) in 265 ms. (150 steps per ms) remains 10/11 properties
FORMULA CloudReconfiguration-PT-310-ReachabilityFireability-2024-06 FALSE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
[2026-05-23 03:35:49] [INFO ] Flatten gal took : 274 ms
[2026-05-23 03:35:50] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality11846220906470072084.gal : 91 ms
BEST_FIRST walk for 40003 steps (109 resets) in 566 ms. (70 steps per ms) remains 10/10 properties
[2026-05-23 03:35:50] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality16651770746073192892.prop : 5 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/ReachabilityCardinality11846220906470072084.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality16651770746073192892.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 ...330
BEST_FIRST walk for 40003 steps (105 resets) in 585 ms. (68 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40003 steps (104 resets) in 188 ms. (211 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40002 steps (100 resets) in 198 ms. (201 steps per ms) remains 9/10 properties
FORMULA CloudReconfiguration-PT-310-ReachabilityFireability-2024-13 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 40003 steps (97 resets) in 150 ms. (264 steps per ms) remains 9/9 properties
Loading property file /tmp/ReachabilityCardinality16651770746073192892.prop.
BEST_FIRST walk for 40003 steps (91 resets) in 158 ms. (251 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40003 steps (88 resets) in 177 ms. (224 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-15092870764645169880.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-4576599918448801303.kers'
[2026-05-23 03:35:50] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-15092870764645169880.kers, --Pflows, --basisKERS=/tmp/petrispot-output-4576599918448801303.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 03:35:50] [INFO ] Computed 4 invariants in 18 ms
Computed 4 P flows in 19 ms.
Exported basis to /tmp/petrispot-output-4576599918448801303.kers
Total runtime 21 ms.
Excessive predecessor constraint size, skipping predecessor.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/152 variables, 152/152 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/152 variables, 0/152 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 2 (OVERLAPS) 2422/2574 variables, 4/156 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/2574 variables, 2422/2578 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
SDD proceeding with computation,10 properties remain. new max is 4
SDD size :1 after 4
SDD proceeding with computation,10 properties remain. new max is 8
SDD size :4 after 5
SDD proceeding with computation,10 properties remain. new max is 16
SDD size :5 after 6
SDD proceeding with computation,10 properties remain. new max is 32
SDD size :6 after 7
At refinement iteration 8 (INCLUDED_ONLY) 0/5661 variables, 1/5154 constraints. Problems are: Problem set: 0 solved, 9 unsolved
SDD proceeding with computation,10 properties remain. new max is 64
SDD size :7 after 8
SDD proceeding with computation,10 properties remain. new max is 128
SDD size :8 after 9
SDD proceeding with computation,10 properties remain. new max is 256
SDD size :9 after 10
SDD proceeding with computation,10 properties remain. new max is 512
SDD size :10 after 11
SDD proceeding with computation,10 properties remain. new max is 1024
SDD size :11 after 20
SDD proceeding with computation,10 properties remain. new max is 2048
SDD size :20 after 453
SDD proceeding with computation,10 properties remain. new max is 4096
SDD size :453 after 3537
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
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 5663/5680 variables, and 5156 constraints, problems are : Problem set: 0 solved, 9 unsolved in 5053 ms.
Refiners :[Domain max(s): 2576/2585 constraints, Generalized P Invariants (flows): 4/4 constraints, State Equation: 2576/2585 constraints, PredecessorRefiner: 9/6 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) 0/152 variables, 152/152 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/152 variables, 0/152 constraints. Problems are: Problem set: 0 solved, 9 unsolved
SDD proceeding with computation,10 properties remain. new max is 8192
SDD size :3537 after 12892
At refinement iteration 2 (OVERLAPS) 2422/2574 variables, 4/156 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/2574 variables, 2422/2578 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
SDD proceeding with computation,10 properties remain. new max is 16384
SDD size :12892 after 91987
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, 6/5158 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 Int declared 5659/5680 variables, and 5158 constraints, problems are : Problem set: 0 solved, 9 unsolved in 5021 ms.
Refiners :[Domain max(s): 2574/2585 constraints, Generalized P Invariants (flows): 4/4 constraints, State Equation: 2574/2585 constraints, PredecessorRefiner: 9/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 10331ms problems are : Problem set: 0 solved, 9 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 152 out of 2585 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2585/2585 places, 3095/3095 transitions.
Graph (trivial) has 2566 edges and 2585 vertex of which 585 / 2585 are part of one of the 53 SCC in 19 ms
Free SCC test removed 532 places
Drop transitions (Empty/Sink Transition effects.) removed 650 transitions
Reduce isomorphic transitions removed 650 transitions.
Graph (complete) has 2725 edges and 2053 vertex of which 2039 are kept as prefixes of interest. Removing 14 places using SCC suffix rule.6 ms
Discarding 14 places :
Also discarding 9 output transitions
Drop transitions (Output transitions of discarded places.) removed 9 transitions
Drop transitions (Empty/Sink Transition effects.) removed 4 transitions
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 6 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1060 transitions
Trivial Post-agglo rules discarded 1060 transitions
Performed 1060 trivial Post agglomeration. Transition count delta: 1060
Iterating post reduction 0 with 1066 rules applied. Total rules applied 1068 place count 2039 transition count 1370
Reduce places removed 1060 places and 0 transitions.
Ensure Unique test removed 47 transitions
Reduce isomorphic transitions removed 47 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 32 transitions
Trivial Post-agglo rules discarded 32 transitions
Performed 32 trivial Post agglomeration. Transition count delta: 32
Iterating post reduction 1 with 1139 rules applied. Total rules applied 2207 place count 979 transition count 1291
Reduce places removed 32 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Performed 154 Post agglomeration using F-continuation condition.Transition count delta: 154
Iterating post reduction 2 with 187 rules applied. Total rules applied 2394 place count 947 transition count 1136
Reduce places removed 154 places and 0 transitions.
Ensure Unique test removed 19 transitions
Reduce isomorphic transitions removed 19 transitions.
Performed 6 Post agglomeration using F-continuation condition.Transition count delta: 6
Iterating post reduction 3 with 179 rules applied. Total rules applied 2573 place count 793 transition count 1111
Reduce places removed 6 places and 0 transitions.
Iterating post reduction 4 with 6 rules applied. Total rules applied 2579 place count 787 transition count 1111
Performed 36 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 5 with 36 Pre rules applied. Total rules applied 2579 place count 787 transition count 1075
Deduced a syphon composed of 36 places in 1 ms
Reduce places removed 36 places and 0 transitions.
Iterating global reduction 5 with 72 rules applied. Total rules applied 2651 place count 751 transition count 1075
Discarding 95 places :
Symmetric choice reduction at 5 with 95 rule applications. Total rules 2746 place count 656 transition count 980
Iterating global reduction 5 with 95 rules applied. Total rules applied 2841 place count 656 transition count 980
Performed 6 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 5 with 6 Pre rules applied. Total rules applied 2841 place count 656 transition count 974
Deduced a syphon composed of 6 places in 1 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 5 with 12 rules applied. Total rules applied 2853 place count 650 transition count 974
Discarding 49 places :
Symmetric choice reduction at 5 with 49 rule applications. Total rules 2902 place count 601 transition count 925
Iterating global reduction 5 with 49 rules applied. Total rules applied 2951 place count 601 transition count 925
Ensure Unique test removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 8 transitions
Trivial Post-agglo rules discarded 8 transitions
Performed 8 trivial Post agglomeration. Transition count delta: 8
Iterating post reduction 5 with 18 rules applied. Total rules applied 2969 place count 601 transition count 907
Reduce places removed 8 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 6 with 10 rules applied. Total rules applied 2979 place count 593 transition count 905
Reduce places removed 1 places and 0 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Iterating post reduction 7 with 3 rules applied. Total rules applied 2982 place count 592 transition count 903
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 8 with 2 rules applied. Total rules applied 2984 place count 590 transition count 903
Discarding 8 places :
Symmetric choice reduction at 9 with 8 rule applications. Total rules 2992 place count 582 transition count 890
Iterating global reduction 9 with 8 rules applied. Total rules applied 3000 place count 582 transition count 890
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 9 with 2 rules applied. Total rules applied 3002 place count 582 transition count 888
Discarding 4 places :
Symmetric choice reduction at 10 with 4 rule applications. Total rules 3006 place count 578 transition count 880
Iterating global reduction 10 with 4 rules applied. Total rules applied 3010 place count 578 transition count 880
Discarding 1 places :
Symmetric choice reduction at 10 with 1 rule applications. Total rules 3011 place count 577 transition count 878
Iterating global reduction 10 with 1 rules applied. Total rules applied 3012 place count 577 transition count 878
Performed 164 Post agglomeration using F-continuation condition with reduction of 34 identical transitions.
Deduced a syphon composed of 164 places in 1 ms
Reduce places removed 164 places and 0 transitions.
Iterating global reduction 10 with 328 rules applied. Total rules applied 3340 place count 413 transition count 680
Ensure Unique test removed 26 transitions
Reduce isomorphic transitions removed 26 transitions.
Iterating post reduction 10 with 26 rules applied. Total rules applied 3366 place count 413 transition count 654
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 11 with 4 rules applied. Total rules applied 3370 place count 411 transition count 652
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 11 with 3 rules applied. Total rules applied 3373 place count 411 transition count 649
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 12 with 2 rules applied. Total rules applied 3375 place count 410 transition count 648
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 12 with 1 rules applied. Total rules applied 3376 place count 410 transition count 647
Performed 41 Post agglomeration using F-continuation condition with reduction of 13 identical transitions.
Deduced a syphon composed of 41 places in 0 ms
Reduce places removed 41 places and 0 transitions.
Iterating global reduction 13 with 82 rules applied. Total rules applied 3458 place count 369 transition count 673
Ensure Unique test removed 25 transitions
Reduce isomorphic transitions removed 25 transitions.
Iterating post reduction 13 with 25 rules applied. Total rules applied 3483 place count 369 transition count 648
Discarding 4 places :
Symmetric choice reduction at 14 with 4 rule applications. Total rules 3487 place count 365 transition count 640
Iterating global reduction 14 with 4 rules applied. Total rules applied 3491 place count 365 transition count 640
Drop transitions (Redundant composition of simpler transitions.) removed 24 transitions
Redundant transition composition rules discarded 24 transitions
Iterating global reduction 14 with 24 rules applied. Total rules applied 3515 place count 365 transition count 616
Discarding 1 places :
Symmetric choice reduction at 14 with 1 rule applications. Total rules 3516 place count 364 transition count 615
Iterating global reduction 14 with 1 rules applied. Total rules applied 3517 place count 364 transition count 615
Free-agglomeration rule applied 21 times.
Iterating global reduction 14 with 21 rules applied. Total rules applied 3538 place count 364 transition count 594
Reduce places removed 21 places and 0 transitions.
Iterating post reduction 14 with 21 rules applied. Total rules applied 3559 place count 343 transition count 594
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 3565 place count 343 transition count 588
Partial Free-agglomeration rule applied 20 times.
Drop transitions (Partial Free agglomeration) removed 20 transitions
Iterating global reduction 15 with 20 rules applied. Total rules applied 3585 place count 343 transition count 588
Partial Post-agglomeration rule applied 3 times.
Drop transitions (Partial Post agglomeration) removed 3 transitions
Iterating global reduction 15 with 3 rules applied. Total rules applied 3588 place count 343 transition count 588
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 15 with 1 rules applied. Total rules applied 3589 place count 343 transition count 587
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 15 with 1 rules applied. Total rules applied 3590 place count 342 transition count 586
Applied a total of 3590 rules in 539 ms. Remains 342 /2585 variables (removed 2243) and now considering 586/3095 (removed 2509) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 548 ms. Remains : 342/2585 places, 586/3095 transitions.
RANDOM walk for 40000 steps (1910 resets) in 876 ms. (45 steps per ms) remains 5/9 properties
FORMULA CloudReconfiguration-PT-310-ReachabilityFireability-2024-15 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudReconfiguration-PT-310-ReachabilityFireability-2024-12 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudReconfiguration-PT-310-ReachabilityFireability-2024-11 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudReconfiguration-PT-310-ReachabilityFireability-2024-10 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 40004 steps (396 resets) in 115 ms. (344 steps per ms) remains 4/5 properties
FORMULA CloudReconfiguration-PT-310-ReachabilityFireability-2024-14 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 40003 steps (430 resets) in 130 ms. (305 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (575 resets) in 110 ms. (360 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (452 resets) in 106 ms. (373 steps per ms) remains 4/4 properties
[2026-05-23 03:36:01] [INFO ] Flow matrix only has 583 transitions (discarded 3 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-9469490176371860850.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-16290889100312879066.kers'
[2026-05-23 03:36:01] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-9469490176371860850.kers, --Pflows, --basisKERS=/tmp/petrispot-output-16290889100312879066.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 583 rows 342 cols 1418 entries
Finished phase 1 with 340 SingleSign rule and 0 generalized
[2026-05-23 03:36:01] [INFO ] Computed 2 invariants in 2 ms
Computed 2 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-16290889100312879066.kers
Total runtime 2 ms.
[2026-05-23 03:36:01] [INFO ] State equation strengthened by 4 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/99 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 128/227 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/227 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 480/707 variables, 227/229 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/707 variables, 2/231 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/707 variables, 0/231 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (OVERLAPS) 177/884 variables, 86/317 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/884 variables, 2/319 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/884 variables, 0/319 constraints. Problems are: Problem set: 0 solved, 4 unsolved
Problem CloudReconfiguration-PT-310-ReachabilityFireability-2024-05 is UNSAT
FORMULA CloudReconfiguration-PT-310-ReachabilityFireability-2024-05 FALSE TECHNIQUES SMT_REFINEMENT
At refinement iteration 9 (OVERLAPS) 34/918 variables, 24/343 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/918 variables, 0/343 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 11 (OVERLAPS) 6/924 variables, 4/347 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/924 variables, 0/347 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 13 (OVERLAPS) 1/925 variables, 1/348 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/925 variables, 0/348 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 15 (OVERLAPS) 0/925 variables, 0/348 constraints. Problems are: Problem set: 1 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 925/925 variables, and 348 constraints, problems are : Problem set: 1 solved, 3 unsolved in 836 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 342/342 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 4/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 solved, 3 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/62 variables, 0/0 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 147/209 variables, 2/2 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/209 variables, 0/2 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 424/633 variables, 209/211 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/633 variables, 2/213 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/633 variables, 0/213 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 6 (OVERLAPS) 196/829 variables, 75/288 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/829 variables, 2/290 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/829 variables, 2/292 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/829 variables, 0/292 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 10 (OVERLAPS) 80/909 variables, 44/336 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/909 variables, 0/336 constraints. Problems are: Problem set: 1 solved, 3 unsolved
Problem CloudReconfiguration-PT-310-ReachabilityFireability-2024-08 is UNSAT
FORMULA CloudReconfiguration-PT-310-ReachabilityFireability-2024-08 TRUE TECHNIQUES SMT_REFINEMENT
At refinement iteration 12 (OVERLAPS) 15/924 variables, 13/349 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/924 variables, 0/349 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 14 (OVERLAPS) 1/925 variables, 1/350 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/925 variables, 0/350 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 16 (OVERLAPS) 0/925 variables, 0/350 constraints. Problems are: Problem set: 2 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 925/925 variables, and 350 constraints, problems are : Problem set: 2 solved, 2 unsolved in 1287 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 342/342 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 3/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2164ms problems are : Problem set: 2 solved, 2 unsolved
FORMULA CloudReconfiguration-PT-310-ReachabilityFireability-2024-07 FALSE TECHNIQUES PARIKH_WALK
Parikh walk visited 1 properties in 82 ms.
Support contains 28 out of 342 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 342/342 places, 586/586 transitions.
Graph (trivial) has 355 edges and 342 vertex of which 71 / 342 are part of one of the 28 SCC in 1 ms
Free SCC test removed 43 places
Drop transitions (Empty/Sink Transition effects.) removed 80 transitions
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 88 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 63 transitions
Trivial Post-agglo rules discarded 63 transitions
Performed 63 trivial Post agglomeration. Transition count delta: 63
Iterating post reduction 0 with 63 rules applied. Total rules applied 64 place count 299 transition count 435
Reduce places removed 63 places and 0 transitions.
Ensure Unique test removed 10 transitions
Reduce isomorphic transitions removed 10 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 1 with 76 rules applied. Total rules applied 140 place count 236 transition count 422
Reduce places removed 3 places and 0 transitions.
Performed 10 Post agglomeration using F-continuation condition.Transition count delta: 10
Iterating post reduction 2 with 13 rules applied. Total rules applied 153 place count 233 transition count 412
Reduce places removed 10 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 3 with 11 rules applied. Total rules applied 164 place count 223 transition count 411
Performed 14 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 14 Pre rules applied. Total rules applied 164 place count 223 transition count 397
Deduced a syphon composed of 14 places in 1 ms
Reduce places removed 14 places and 0 transitions.
Iterating global reduction 4 with 28 rules applied. Total rules applied 192 place count 209 transition count 397
Discarding 12 places :
Symmetric choice reduction at 4 with 12 rule applications. Total rules 204 place count 197 transition count 380
Iterating global reduction 4 with 12 rules applied. Total rules applied 216 place count 197 transition count 380
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 4 with 1 rules applied. Total rules applied 217 place count 197 transition count 379
Discarding 6 places :
Symmetric choice reduction at 5 with 6 rule applications. Total rules 223 place count 191 transition count 370
Iterating global reduction 5 with 6 rules applied. Total rules applied 229 place count 191 transition count 370
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 5 with 1 rules applied. Total rules applied 230 place count 191 transition count 369
Discarding 1 places :
Symmetric choice reduction at 6 with 1 rule applications. Total rules 231 place count 190 transition count 368
Iterating global reduction 6 with 1 rules applied. Total rules applied 232 place count 190 transition count 368
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 6 with 1 rules applied. Total rules applied 233 place count 190 transition count 367
Performed 40 Post agglomeration using F-continuation condition with reduction of 18 identical transitions.
Deduced a syphon composed of 40 places in 1 ms
Reduce places removed 40 places and 0 transitions.
Iterating global reduction 7 with 80 rules applied. Total rules applied 313 place count 150 transition count 309
Ensure Unique test removed 11 transitions
Reduce isomorphic transitions removed 11 transitions.
Iterating post reduction 7 with 11 rules applied. Total rules applied 324 place count 150 transition count 298
Discarding 2 places :
Symmetric choice reduction at 8 with 2 rule applications. Total rules 326 place count 148 transition count 294
Iterating global reduction 8 with 2 rules applied. Total rules applied 328 place count 148 transition count 294
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 8 with 1 rules applied. Total rules applied 329 place count 148 transition count 293
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 9 with 2 rules applied. Total rules applied 331 place count 147 transition count 292
Performed 17 Post agglomeration using F-continuation condition with reduction of 2 identical transitions.
Deduced a syphon composed of 17 places in 0 ms
Reduce places removed 17 places and 0 transitions.
Iterating global reduction 9 with 34 rules applied. Total rules applied 365 place count 130 transition count 316
Ensure Unique test removed 33 transitions
Reduce isomorphic transitions removed 33 transitions.
Iterating post reduction 9 with 33 rules applied. Total rules applied 398 place count 130 transition count 283
Discarding 9 places :
Symmetric choice reduction at 10 with 9 rule applications. Total rules 407 place count 121 transition count 261
Iterating global reduction 10 with 9 rules applied. Total rules applied 416 place count 121 transition count 261
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 10 with 1 rules applied. Total rules applied 417 place count 121 transition count 260
Discarding 3 places :
Symmetric choice reduction at 11 with 3 rule applications. Total rules 420 place count 118 transition count 256
Iterating global reduction 11 with 3 rules applied. Total rules applied 423 place count 118 transition count 256
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 11 with 6 rules applied. Total rules applied 429 place count 118 transition count 250
Drop transitions (Redundant composition of simpler transitions.) removed 19 transitions
Redundant transition composition rules discarded 19 transitions
Iterating global reduction 12 with 19 rules applied. Total rules applied 448 place count 118 transition count 231
Discarding 1 places :
Symmetric choice reduction at 12 with 1 rule applications. Total rules 449 place count 117 transition count 230
Iterating global reduction 12 with 1 rules applied. Total rules applied 450 place count 117 transition count 230
Free-agglomeration rule applied 8 times with reduction of 1 identical transitions.
Iterating global reduction 12 with 8 rules applied. Total rules applied 458 place count 117 transition count 221
Reduce places removed 8 places and 0 transitions.
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 12 with 10 rules applied. Total rules applied 468 place count 109 transition count 219
Drop transitions (Redundant composition of simpler transitions.) removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 13 with 2 rules applied. Total rules applied 470 place count 109 transition count 217
Free-agglomeration rule (complex) applied 2 times.
Iterating global reduction 13 with 2 rules applied. Total rules applied 472 place count 109 transition count 218
Reduce places removed 2 places and 0 transitions.
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 13 with 4 rules applied. Total rules applied 476 place count 107 transition count 216
Partial Free-agglomeration rule applied 6 times.
Drop transitions (Partial Free agglomeration) removed 6 transitions
Iterating global reduction 14 with 6 rules applied. Total rules applied 482 place count 107 transition count 216
Applied a total of 482 rules in 83 ms. Remains 107 /342 variables (removed 235) and now considering 216/586 (removed 370) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 83 ms. Remains : 107/342 places, 216/586 transitions.
RANDOM walk for 40000 steps (2696 resets) in 77 ms. (512 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (642 resets) in 58 ms. (678 steps per ms) remains 1/1 properties
Finished probabilistic random walk after 561224 steps, run visited all 1 properties in 679 ms. (steps per millisecond=826 )
Probabilistic random walk after 561224 steps, saw 120421 distinct states, run finished after 683 ms. (steps per millisecond=821 ) properties seen :1
FORMULA CloudReconfiguration-PT-310-ReachabilityFireability-2024-04 TRUE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
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 16546 ms.

BK_STOP 1779507364907

--------------------
content from stderr:

+ export BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ ReachabilityFireability = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution ReachabilityFireability -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202604301425.jar
+ VERSION=202604301425
+ echo 'Running Version 202604301425'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination ReachabilityFireability -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600

Sequence of Actions to be Executed by the VM

This is useful if one wants to reexecute the tool in the VM from the submitted image disk.

set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="CloudReconfiguration-PT-310"
export BK_EXAMINATION="ReachabilityFireability"
export BK_TOOL="itstools"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

# remove the execution directoty if it exists (to avoid increse of .vmdk images)
if [ -d execution ] ; then
rm -rf execution
fi

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5973"
echo " Executing tool itstools"
echo " Input is CloudReconfiguration-PT-310, examination is ReachabilityFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r066-tall-177946967600191"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/CloudReconfiguration-PT-310.tgz
mv CloudReconfiguration-PT-310 execution
cd execution
if [ "ReachabilityFireability" = "ReachabilityDeadlock" ] || [ "ReachabilityFireability" = "UpperBounds" ] || [ "ReachabilityFireability" = "QuasiLiveness" ] || [ "ReachabilityFireability" = "StableMarking" ] || [ "ReachabilityFireability" = "Liveness" ] || [ "ReachabilityFireability" = "OneSafe" ] || [ "ReachabilityFireability" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh

echo
echo "--------------------"
echo "content from stdout:"
echo
echo "=== Data for post analysis generated by BenchKit (invocation template)"
echo
if [ "ReachabilityFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "ReachabilityFireability" != "StateSpace" ] ; then
echo "The expected result is a vector of booleans"
echo BOOL_VECTOR
else
echo "no data necessary for post analysis"
fi
echo
if [ -f "ReachabilityFireability.xml" ] ; then # for cunf (txt files deleted;-)
echo echo "here is the order used to build the result vector(from xml file)"
for x in $(grep '' ReachabilityFireability.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "ReachabilityFireability" = "ReachabilityDeadlock" ] || [ "ReachabilityFireability" = "QuasiLiveness" ] || [ "ReachabilityFireability" = "StableMarking" ] || [ "ReachabilityFireability" = "Liveness" ] || [ "ReachabilityFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME ReachabilityFireability"
fi
echo
echo "=== Now, execution of the tool begins"
echo
echo -n "BK_START "
date -u +%s%3N
echo
timeout -s 9 $BK_TIME_CONFINEMENT bash -c "/home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n \"BK_STOP \" ; date -u +%s%3N"
if [ $? -eq 137 ] ; then
echo
echo "BK_TIME_CONFINEMENT_REACHED"
fi
echo
echo "--------------------"
echo "content from stderr:"
echo
cat STDERR ;