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-177946967500119.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 ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r066-tall-177946967500119
=====================================================================

--------------------
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-ReachabilityFireability-2024-00
FORMULA_NAME CloudReconfiguration-PT-301-ReachabilityFireability-2024-01
FORMULA_NAME CloudReconfiguration-PT-301-ReachabilityFireability-2024-02
FORMULA_NAME CloudReconfiguration-PT-301-ReachabilityFireability-2024-03
FORMULA_NAME CloudReconfiguration-PT-301-ReachabilityFireability-2024-04
FORMULA_NAME CloudReconfiguration-PT-301-ReachabilityFireability-2024-05
FORMULA_NAME CloudReconfiguration-PT-301-ReachabilityFireability-2024-06
FORMULA_NAME CloudReconfiguration-PT-301-ReachabilityFireability-2024-07
FORMULA_NAME CloudReconfiguration-PT-301-ReachabilityFireability-2024-08
FORMULA_NAME CloudReconfiguration-PT-301-ReachabilityFireability-2024-09
FORMULA_NAME CloudReconfiguration-PT-301-ReachabilityFireability-2024-10
FORMULA_NAME CloudReconfiguration-PT-301-ReachabilityFireability-2024-11
FORMULA_NAME CloudReconfiguration-PT-301-ReachabilityFireability-2024-12
FORMULA_NAME CloudReconfiguration-PT-301-ReachabilityFireability-2024-13
FORMULA_NAME CloudReconfiguration-PT-301-ReachabilityFireability-2024-14
FORMULA_NAME CloudReconfiguration-PT-301-ReachabilityFireability-2024-15

=== Now, execution of the tool begins

BK_START 1779497620239

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-301
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityFireability PT
Running Version 202604301425
[2026-05-23 00:53:41] [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 00:53:41] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-23 00:53:41] [INFO ] Load time of PNML (sax parser for PT used): 147 ms
[2026-05-23 00:53:41] [INFO ] Transformed 2584 places.
[2026-05-23 00:53:41] [INFO ] Transformed 3094 transitions.
[2026-05-23 00:53:41] [INFO ] Found NUPN structural information;
[2026-05-23 00:53:41] [INFO ] Parsed PT model containing 2584 places and 3094 transitions and 6459 arcs in 250 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 (314 resets) in 1648 ms. (24 steps per ms) remains 15/16 properties
FORMULA CloudReconfiguration-PT-301-ReachabilityFireability-2024-01 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 4003 steps (8 resets) in 79 ms. (50 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 57 ms. (69 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4003 steps (8 resets) in 49 ms. (80 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4002 steps (8 resets) in 120 ms. (33 steps per ms) remains 15/15 properties
[2026-05-23 00:53:42] [INFO ] Flatten gal took : 246 ms
BEST_FIRST walk for 4002 steps (9 resets) in 45 ms. (87 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4002 steps (8 resets) in 46 ms. (85 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4003 steps (8 resets) in 34 ms. (114 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4003 steps (9 resets) in 17 ms. (222 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 43 ms. (91 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4003 steps (9 resets) in 19 ms. (200 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 22 ms. (174 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (9 resets) in 16 ms. (235 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (9 resets) in 44 ms. (88 steps per ms) remains 15/15 properties
[2026-05-23 00:53:42] [INFO ] Flatten gal took : 134 ms
BEST_FIRST walk for 4002 steps (8 resets) in 39 ms. (100 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4003 steps (8 resets) in 20 ms. (190 steps per ms) remains 15/15 properties
[2026-05-23 00:53:42] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality6265934057055274071.gal : 62 ms
[2026-05-23 00:53:42] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality1642071980185602187.prop : 2 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/ReachabilityCardinality6265934057055274071.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality1642071980185602187.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 ...328
Loading property file /tmp/ReachabilityCardinality1642071980185602187.prop.
Interrupted probabilistic random walk after 230531 steps, run timeout after 3001 ms. (steps per millisecond=76 ) properties seen :0 out of 15
Probabilistic random walk after 230531 steps, saw 57693 distinct states, run finished after 3005 ms. (steps per millisecond=76 ) properties seen :0
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-3223544089040623309.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-2225989381247005496.kers'
[2026-05-23 00:53:45] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-3223544089040623309.kers, --Pflows, --basisKERS=/tmp/petrispot-output-2225989381247005496.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 00:53:45] [INFO ] Computed 4 invariants in 17 ms
Computed 4 P flows in 18 ms.
Exported basis to /tmp/petrispot-output-2225989381247005496.kers
Total runtime 21 ms.
Excessive predecessor constraint size, skipping predecessor.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/161 variables, 161/161 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/161 variables, 0/161 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 2 (OVERLAPS) 2414/2575 variables, 4/165 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/2575 variables, 2414/2579 constraints. Problems are: Problem set: 0 solved, 15 unsolved
SDD proceeding with computation,15 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,15 properties remain. new max is 8
SDD size :5 after 6
SDD proceeding with computation,15 properties remain. new max is 16
SDD size :6 after 7
SDD proceeding with computation,15 properties remain. new max is 32
SDD size :7 after 8
SDD proceeding with computation,15 properties remain. new max is 64
SDD size :8 after 9
SDD proceeding with computation,15 properties remain. new max is 128
SDD size :9 after 10
SDD proceeding with computation,15 properties remain. new max is 256
SDD size :10 after 11
SDD proceeding with computation,15 properties remain. new max is 512
SDD size :11 after 19
At refinement iteration 4 (INCLUDED_ONLY) 0/2575 variables, 0/2579 constraints. Problems are: Problem set: 0 solved, 15 unsolved
SDD proceeding with computation,15 properties remain. new max is 1024
SDD size :19 after 21
SDD proceeding with computation,15 properties remain. new max is 2048
SDD size :21 after 253
SDD proceeding with computation,15 properties remain. new max is 4096
SDD size :253 after 2472
SDD proceeding with computation,15 properties remain. new max is 8192
SDD size :2472 after 6394
At refinement iteration 5 (OVERLAPS) 3088/5663 variables, 2575/5154 constraints. Problems are: Problem set: 0 solved, 15 unsolved
Reachability property CloudReconfiguration-PT-301-ReachabilityFireability-2024-08 is true.
FORMULA CloudReconfiguration-PT-301-ReachabilityFireability-2024-08 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
At refinement iteration 6 (INCLUDED_ONLY) 0/5663 variables, 0/5154 constraints. Problems are: Problem set: 1 solved, 14 unsolved
At refinement iteration 7 (OVERLAPS) 10/5673 variables, 5/5159 constraints. Problems are: Problem set: 1 solved, 14 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/5673 variables, 5/5164 constraints. Problems are: Problem set: 1 solved, 14 unsolved
Reachability property CloudReconfiguration-PT-301-ReachabilityFireability-2024-04 is true.
FORMULA CloudReconfiguration-PT-301-ReachabilityFireability-2024-04 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
SDD proceeding with computation,13 properties remain. new max is 8192
SDD size :6394 after 54831
At refinement iteration 9 (INCLUDED_ONLY) 0/5673 variables, 0/5164 constraints. Problems are: Problem set: 2 solved, 13 unsolved
Problem CloudReconfiguration-PT-301-ReachabilityFireability-2024-03 is UNSAT
FORMULA CloudReconfiguration-PT-301-ReachabilityFireability-2024-03 FALSE TECHNIQUES SMT_REFINEMENT
Problem CloudReconfiguration-PT-301-ReachabilityFireability-2024-07 is UNSAT
FORMULA CloudReconfiguration-PT-301-ReachabilityFireability-2024-07 FALSE TECHNIQUES SMT_REFINEMENT
Problem CloudReconfiguration-PT-301-ReachabilityFireability-2024-11 is UNSAT
FORMULA CloudReconfiguration-PT-301-ReachabilityFireability-2024-11 FALSE TECHNIQUES SMT_REFINEMENT
At refinement iteration 10 (OVERLAPS) 5/5678 variables, 4/5168 constraints. Problems are: Problem set: 5 solved, 10 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/5678 variables, 4/5172 constraints. Problems are: Problem set: 5 solved, 10 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/5678 variables, 0/5172 constraints. Problems are: Problem set: 5 solved, 10 unsolved
At refinement iteration 13 (OVERLAPS) 0/5678 variables, 0/5172 constraints. Problems are: Problem set: 5 solved, 10 unsolved
No progress, stopping.
Problem CloudReconfiguration-PT-301-ReachabilityFireability-2024-00 is UNSAT
FORMULA CloudReconfiguration-PT-301-ReachabilityFireability-2024-00 FALSE TECHNIQUES SMT_REFINEMENT
Problem CloudReconfiguration-PT-301-ReachabilityFireability-2024-10 is UNSAT
FORMULA CloudReconfiguration-PT-301-ReachabilityFireability-2024-10 FALSE TECHNIQUES SMT_REFINEMENT
Reachability property CloudReconfiguration-PT-301-ReachabilityFireability-2024-13 is true.
FORMULA CloudReconfiguration-PT-301-ReachabilityFireability-2024-13 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
After SMT solving in domain Real declared 5678/5678 variables, and 5172 constraints, problems are : Problem set: 5 solved, 10 unsolved in 4094 ms.
Refiners :[Domain max(s): 2584/2584 constraints, Generalized P Invariants (flows): 4/4 constraints, State Equation: 2584/2584 constraints, PredecessorRefiner: 15/9 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 5 solved, 10 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/98 variables, 98/98 constraints. Problems are: Problem set: 8 solved, 7 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/98 variables, 0/98 constraints. Problems are: Problem set: 8 solved, 7 unsolved
At refinement iteration 2 (OVERLAPS) 2477/2575 variables, 4/102 constraints. Problems are: Problem set: 8 solved, 7 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/2575 variables, 2477/2579 constraints. Problems are: Problem set: 8 solved, 7 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/2575 variables, 0/2579 constraints. Problems are: Problem set: 8 solved, 7 unsolved
SDD proceeding with computation,12 properties remain. new max is 8192
SDD size :54831 after 70735
At refinement iteration 5 (OVERLAPS) 3088/5663 variables, 2575/5154 constraints. Problems are: Problem set: 8 solved, 7 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/5663 variables, 3/5157 constraints. Problems are: Problem set: 8 solved, 7 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/5663 variables, 0/5157 constraints. Problems are: Problem set: 8 solved, 7 unsolved
At refinement iteration 8 (OVERLAPS) 10/5673 variables, 5/5162 constraints. Problems are: Problem set: 8 solved, 7 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/5673 variables, 5/5167 constraints. Problems are: Problem set: 8 solved, 7 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/5673 variables, 1/5168 constraints. Problems are: Problem set: 8 solved, 7 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 5673/5678 variables, and 5168 constraints, problems are : Problem set: 8 solved, 7 unsolved in 5028 ms.
Refiners :[Domain max(s): 2580/2584 constraints, Generalized P Invariants (flows): 4/4 constraints, State Equation: 2580/2584 constraints, PredecessorRefiner: 7/9 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 9356ms problems are : Problem set: 8 solved, 7 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 57 out of 2584 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2584/2584 places, 3094/3094 transitions.
Graph (trivial) has 2805 edges and 2584 vertex of which 743 / 2584 are part of one of the 61 SCC in 20 ms
Free SCC test removed 682 places
Drop transitions (Empty/Sink Transition effects.) removed 834 transitions
Reduce isomorphic transitions removed 834 transitions.
Graph (complete) has 2538 edges and 1902 vertex of which 1888 are kept as prefixes of interest. Removing 14 places using SCC suffix rule.5 ms
Discarding 14 places :
Also discarding 9 output transitions
Drop transitions (Output transitions of discarded places.) removed 9 transitions
Drop transitions (Empty/Sink Transition effects.) removed 4 transitions
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 6 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1161 transitions
Trivial Post-agglo rules discarded 1161 transitions
Performed 1161 trivial Post agglomeration. Transition count delta: 1161
Iterating post reduction 0 with 1167 rules applied. Total rules applied 1169 place count 1888 transition count 1084
Reduce places removed 1161 places and 0 transitions.
Ensure Unique test removed 63 transitions
Reduce isomorphic transitions removed 63 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 56 transitions
Trivial Post-agglo rules discarded 56 transitions
Performed 56 trivial Post agglomeration. Transition count delta: 56
Iterating post reduction 1 with 1280 rules applied. Total rules applied 2449 place count 727 transition count 965
Reduce places removed 56 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 62 rules applied. Total rules applied 2511 place count 671 transition count 959
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 2 transitions
Trivial Post-agglo rules discarded 2 transitions
Performed 2 trivial Post agglomeration. Transition count delta: 2
Iterating post reduction 3 with 5 rules applied. Total rules applied 2516 place count 669 transition count 956
Reduce places removed 2 places and 0 transitions.
Performed 65 Post agglomeration using F-continuation condition.Transition count delta: 65
Iterating post reduction 4 with 67 rules applied. Total rules applied 2583 place count 667 transition count 891
Reduce places removed 65 places and 0 transitions.
Ensure Unique test removed 13 transitions
Reduce isomorphic transitions removed 13 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Iterating post reduction 5 with 80 rules applied. Total rules applied 2663 place count 602 transition count 876
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 6 with 2 rules applied. Total rules applied 2665 place count 600 transition count 876
Performed 30 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 7 with 30 Pre rules applied. Total rules applied 2665 place count 600 transition count 846
Deduced a syphon composed of 30 places in 2 ms
Reduce places removed 30 places and 0 transitions.
Iterating global reduction 7 with 60 rules applied. Total rules applied 2725 place count 570 transition count 846
Discarding 75 places :
Symmetric choice reduction at 7 with 75 rule applications. Total rules 2800 place count 495 transition count 771
Iterating global reduction 7 with 75 rules applied. Total rules applied 2875 place count 495 transition count 771
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 7 with 2 rules applied. Total rules applied 2877 place count 495 transition count 769
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 8 with 1 rules applied. Total rules applied 2878 place count 494 transition count 769
Performed 3 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 9 with 3 Pre rules applied. Total rules applied 2878 place count 494 transition count 766
Deduced a syphon composed of 3 places in 1 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 9 with 6 rules applied. Total rules applied 2884 place count 491 transition count 766
Discarding 52 places :
Symmetric choice reduction at 9 with 52 rule applications. Total rules 2936 place count 439 transition count 714
Iterating global reduction 9 with 52 rules applied. Total rules applied 2988 place count 439 transition count 714
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 9 with 25 rules applied. Total rules applied 3013 place count 439 transition count 689
Reduce places removed 12 places and 0 transitions.
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 10 with 15 rules applied. Total rules applied 3028 place count 427 transition count 686
Reduce places removed 1 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 11 with 2 rules applied. Total rules applied 3030 place count 426 transition count 685
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 12 with 1 rules applied. Total rules applied 3031 place count 425 transition count 685
Discarding 15 places :
Symmetric choice reduction at 13 with 15 rule applications. Total rules 3046 place count 410 transition count 659
Iterating global reduction 13 with 15 rules applied. Total rules applied 3061 place count 410 transition count 659
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 13 with 5 rules applied. Total rules applied 3066 place count 410 transition count 654
Discarding 6 places :
Symmetric choice reduction at 14 with 6 rule applications. Total rules 3072 place count 404 transition count 642
Iterating global reduction 14 with 6 rules applied. Total rules applied 3078 place count 404 transition count 642
Discarding 2 places :
Symmetric choice reduction at 14 with 2 rule applications. Total rules 3080 place count 402 transition count 638
Iterating global reduction 14 with 2 rules applied. Total rules applied 3082 place count 402 transition count 638
Performed 166 Post agglomeration using F-continuation condition with reduction of 57 identical transitions.
Deduced a syphon composed of 166 places in 0 ms
Reduce places removed 166 places and 0 transitions.
Iterating global reduction 14 with 332 rules applied. Total rules applied 3414 place count 236 transition count 415
Ensure Unique test removed 15 transitions
Reduce isomorphic transitions removed 15 transitions.
Iterating post reduction 14 with 15 rules applied. Total rules applied 3429 place count 236 transition count 400
Performed 42 Post agglomeration using F-continuation condition with reduction of 12 identical transitions.
Deduced a syphon composed of 42 places in 1 ms
Reduce places removed 42 places and 0 transitions.
Iterating global reduction 15 with 84 rules applied. Total rules applied 3513 place count 194 transition count 438
Ensure Unique test removed 36 transitions
Reduce isomorphic transitions removed 36 transitions.
Iterating post reduction 15 with 36 rules applied. Total rules applied 3549 place count 194 transition count 402
Discarding 15 places :
Symmetric choice reduction at 16 with 15 rule applications. Total rules 3564 place count 179 transition count 372
Iterating global reduction 16 with 15 rules applied. Total rules applied 3579 place count 179 transition count 372
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 16 with 1 rules applied. Total rules applied 3580 place count 179 transition count 371
Discarding 3 places :
Symmetric choice reduction at 17 with 3 rule applications. Total rules 3583 place count 176 transition count 365
Iterating global reduction 17 with 3 rules applied. Total rules applied 3586 place count 176 transition count 365
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 17 with 1 rules applied. Total rules applied 3587 place count 176 transition count 364
Drop transitions (Redundant composition of simpler transitions.) removed 20 transitions
Redundant transition composition rules discarded 20 transitions
Iterating global reduction 18 with 20 rules applied. Total rules applied 3607 place count 176 transition count 344
Discarding 1 places :
Symmetric choice reduction at 18 with 1 rule applications. Total rules 3608 place count 175 transition count 343
Iterating global reduction 18 with 1 rules applied. Total rules applied 3609 place count 175 transition count 343
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -15
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 18 with 2 rules applied. Total rules applied 3611 place count 174 transition count 358
Free-agglomeration rule applied 17 times.
Iterating global reduction 18 with 17 rules applied. Total rules applied 3628 place count 174 transition count 341
Reduce places removed 17 places and 0 transitions.
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 18 with 19 rules applied. Total rules applied 3647 place count 157 transition count 339
Drop transitions (Redundant composition of simpler transitions.) removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 19 with 2 rules applied. Total rules applied 3649 place count 157 transition count 337
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 19 with 1 rules applied. Total rules applied 3650 place count 157 transition count 336
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 19 with 1 rules applied. Total rules applied 3651 place count 156 transition count 336
Partial Free-agglomeration rule applied 18 times.
Drop transitions (Partial Free agglomeration) removed 18 transitions
Iterating global reduction 20 with 18 rules applied. Total rules applied 3669 place count 156 transition count 336
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 3670 place count 156 transition count 335
Partial Post-agglomeration rule applied 3 times.
Drop transitions (Partial Post agglomeration) removed 3 transitions
Iterating global reduction 20 with 3 rules applied. Total rules applied 3673 place count 156 transition count 335
Applied a total of 3673 rules in 378 ms. Remains 156 /2584 variables (removed 2428) and now considering 335/3094 (removed 2759) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 386 ms. Remains : 156/2584 places, 335/3094 transitions.
RANDOM walk for 40000 steps (1820 resets) in 485 ms. (82 steps per ms) remains 2/7 properties
FORMULA CloudReconfiguration-PT-301-ReachabilityFireability-2024-15 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudReconfiguration-PT-301-ReachabilityFireability-2024-14 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudReconfiguration-PT-301-ReachabilityFireability-2024-12 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudReconfiguration-PT-301-ReachabilityFireability-2024-06 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudReconfiguration-PT-301-ReachabilityFireability-2024-05 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 40004 steps (266 resets) in 161 ms. (246 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (241 resets) in 187 ms. (212 steps per ms) remains 2/2 properties
[2026-05-23 00:53:55] [INFO ] Flow matrix only has 328 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-3911335739066510486.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-17407547191161413658.kers'
[2026-05-23 00:53:55] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-3911335739066510486.kers, --Pflows, --basisKERS=/tmp/petrispot-output-17407547191161413658.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 328 rows 156 cols 898 entries
Finished phase 1 with 154 SingleSign rule and 0 generalized
[2026-05-23 00:53:55] [INFO ] Computed 2 invariants in 1 ms
Computed 2 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-17407547191161413658.kers
Total runtime 1 ms.
[2026-05-23 00:53:55] [INFO ] State equation strengthened by 5 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/24 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 72/96 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/96 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 264/360 variables, 96/98 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/360 variables, 2/100 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/360 variables, 0/100 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 98/458 variables, 42/142 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/458 variables, 3/145 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/458 variables, 0/145 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 23/481 variables, 15/160 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/481 variables, 0/160 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 3/484 variables, 3/163 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/484 variables, 0/163 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (OVERLAPS) 0/484 variables, 0/163 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 484/484 variables, and 163 constraints, problems are : Problem set: 0 solved, 2 unsolved in 212 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 156/156 constraints, ReadFeed: 5/5 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) 0/24 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 72/96 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/96 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 264/360 variables, 96/98 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/360 variables, 2/100 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/360 variables, 0/100 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 98/458 variables, 42/142 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/458 variables, 3/145 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/458 variables, 2/147 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/458 variables, 0/147 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (OVERLAPS) 23/481 variables, 15/162 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/481 variables, 0/162 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Problem CloudReconfiguration-PT-301-ReachabilityFireability-2024-02 is UNSAT
FORMULA CloudReconfiguration-PT-301-ReachabilityFireability-2024-02 TRUE TECHNIQUES SMT_REFINEMENT
At refinement iteration 12 (OVERLAPS) 3/484 variables, 3/165 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/484 variables, 0/165 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/484 variables, 0/165 constraints. Problems are: Problem set: 1 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 484/484 variables, and 165 constraints, problems are : Problem set: 1 solved, 1 unsolved in 539 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 156/156 constraints, ReadFeed: 5/5 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 769ms problems are : Problem set: 1 solved, 1 unsolved
Finished Parikh walk after 650 steps, including 27 resets, run visited all 1 properties in 5 ms. (steps per millisecond=130 )
FORMULA CloudReconfiguration-PT-301-ReachabilityFireability-2024-09 FALSE TECHNIQUES PARIKH_WALK
Parikh walk visited 1 properties in 12 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
All properties solved without resorting to model-checking.
Total runtime 15051 ms.

BK_STOP 1779497636458

--------------------
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-301"
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-301, 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-177946967500119"
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 [ "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 ;