Execution Chart

Sorry, for this execution, no execution chart could be reported.

Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r044-tall-174854028000214.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2025-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 2-5832
Executing tool itstools
Input is CloudReconfiguration-PT-301, examination is ReachabilityCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r044-tall-174854028000214
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.1M
-rw-r--r-- 1 mcc users 7.3K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 77K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.3K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 43K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 29 14:32 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.8K May 29 14:32 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.5K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 23K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.6K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 21K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 9.7K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 95K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.4K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 68K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K May 29 14:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 29 14:32 equiv_col
-rw-r--r-- 1 mcc users 4 May 29 14:32 instance
-rw-r--r-- 1 mcc users 6 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 660K May 29 14:32 model.pnml

--------------------
content from stdout:

=== Data for post analysis generated by BenchKit (invocation template)

The expected result is a vector of booleans
BOOL_VECTOR

echo here is the order used to build the result vector(from xml file)
FORMULA_NAME CloudReconfiguration-PT-301-ReachabilityCardinality-2025-00
FORMULA_NAME CloudReconfiguration-PT-301-ReachabilityCardinality-2025-01
FORMULA_NAME CloudReconfiguration-PT-301-ReachabilityCardinality-2025-02
FORMULA_NAME CloudReconfiguration-PT-301-ReachabilityCardinality-2025-03
FORMULA_NAME CloudReconfiguration-PT-301-ReachabilityCardinality-2025-04
FORMULA_NAME CloudReconfiguration-PT-301-ReachabilityCardinality-2025-05
FORMULA_NAME CloudReconfiguration-PT-301-ReachabilityCardinality-2025-06
FORMULA_NAME CloudReconfiguration-PT-301-ReachabilityCardinality-2025-07
FORMULA_NAME CloudReconfiguration-PT-301-ReachabilityCardinality-2025-08
FORMULA_NAME CloudReconfiguration-PT-301-ReachabilityCardinality-2025-09
FORMULA_NAME CloudReconfiguration-PT-301-ReachabilityCardinality-2025-10
FORMULA_NAME CloudReconfiguration-PT-301-ReachabilityCardinality-2025-11
FORMULA_NAME CloudReconfiguration-PT-301-ReachabilityCardinality-2025-12
FORMULA_NAME CloudReconfiguration-PT-301-ReachabilityCardinality-2025-13
FORMULA_NAME CloudReconfiguration-PT-301-ReachabilityCardinality-2025-14
FORMULA_NAME CloudReconfiguration-PT-301-ReachabilityCardinality-2025-15

=== Now, execution of the tool begins

BK_START 1748582214736

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=ReachabilityCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=CloudReconfiguration-PT-301
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityCardinality PT
Running Version 202505121319
[2025-05-30 05:16:55] [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]
[2025-05-30 05:16:55] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-05-30 05:16:56] [INFO ] Load time of PNML (sax parser for PT used): 150 ms
[2025-05-30 05:16:56] [INFO ] Transformed 2584 places.
[2025-05-30 05:16:56] [INFO ] Transformed 3094 transitions.
[2025-05-30 05:16:56] [INFO ] Found NUPN structural information;
[2025-05-30 05:16:56] [INFO ] Parsed PT model containing 2584 places and 3094 transitions and 6459 arcs in 252 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityCardinality.xml in 15 ms.
Working with output stream class java.io.PrintStream
FORMULA CloudReconfiguration-PT-301-ReachabilityCardinality-2025-04 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
RANDOM walk for 40000 steps (317 resets) in 1922 ms. (20 steps per ms) remains 14/15 properties
FORMULA CloudReconfiguration-PT-301-ReachabilityCardinality-2025-12 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 40003 steps (88 resets) in 264 ms. (150 steps per ms) remains 14/14 properties
[2025-05-30 05:16:57] [INFO ] Flatten gal took : 279 ms
BEST_FIRST walk for 40003 steps (84 resets) in 196 ms. (203 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (87 resets) in 285 ms. (139 steps per ms) remains 13/14 properties
FORMULA CloudReconfiguration-PT-301-ReachabilityCardinality-2025-05 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
[2025-05-30 05:16:57] [INFO ] Flatten gal took : 145 ms
BEST_FIRST walk for 40003 steps (87 resets) in 176 ms. (226 steps per ms) remains 13/13 properties
[2025-05-30 05:16:57] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality17396120552377523600.gal : 95 ms
BEST_FIRST walk for 40003 steps (81 resets) in 312 ms. (127 steps per ms) remains 13/13 properties
[2025-05-30 05:16:57] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality8485628228077468421.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality17396120552377523600.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality8485628228077468421.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
BEST_FIRST walk for 40003 steps (80 resets) in 188 ms. (211 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40003 steps (83 resets) in 160 ms. (248 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (82 resets) in 148 ms. (268 steps per ms) remains 12/13 properties
FORMULA CloudReconfiguration-PT-301-ReachabilityCardinality-2025-14 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 40003 steps (80 resets) in 196 ms. (203 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40003 steps (83 resets) in 197 ms. (202 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40001 steps (79 resets) in 135 ms. (294 steps per ms) remains 12/12 properties
Loading property file /tmp/ReachabilityCardinality8485628228077468421.prop.
BEST_FIRST walk for 40004 steps (87 resets) in 122 ms. (325 steps per ms) remains 11/12 properties
FORMULA CloudReconfiguration-PT-301-ReachabilityCardinality-2025-00 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
// Phase 1: matrix 3094 rows 2584 cols
[2025-05-30 05:16:57] [INFO ] Computed 4 invariants in 50 ms
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/77 variables, 77/77 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/77 variables, 0/77 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 2 (OVERLAPS) 2496/2573 variables, 4/81 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/2573 variables, 2496/2577 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/2573 variables, 0/2577 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 5 (OVERLAPS) 3084/5657 variables, 2573/5150 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/5657 variables, 0/5150 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 7 (OVERLAPS) 2/5659 variables, 1/5151 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/5659 variables, 1/5152 constraints. Problems are: Problem set: 0 solved, 11 unsolved
SDD proceeding with computation,13 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,13 properties remain. new max is 8
SDD size :5 after 6
SDD proceeding with computation,13 properties remain. new max is 16
SDD size :6 after 7
SDD proceeding with computation,13 properties remain. new max is 32
SDD size :7 after 8
SDD proceeding with computation,13 properties remain. new max is 64
SDD size :8 after 9
SDD proceeding with computation,13 properties remain. new max is 128
SDD size :9 after 10
SDD proceeding with computation,13 properties remain. new max is 256
SDD size :10 after 11
SDD proceeding with computation,13 properties remain. new max is 512
SDD size :11 after 19
SDD proceeding with computation,13 properties remain. new max is 1024
SDD size :19 after 21
At refinement iteration 9 (INCLUDED_ONLY) 0/5659 variables, 0/5152 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 10 (OVERLAPS) 2/5661 variables, 1/5153 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/5661 variables, 1/5154 constraints. Problems are: Problem set: 0 solved, 11 unsolved
SDD proceeding with computation,13 properties remain. new max is 2048
SDD size :21 after 253
SDD proceeding with computation,13 properties remain. new max is 4096
SDD size :253 after 2472
SDD proceeding with computation,13 properties remain. new max is 8192
SDD size :2472 after 6394
At refinement iteration 12 (INCLUDED_ONLY) 0/5661 variables, 0/5154 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 13 (OVERLAPS) 2/5663 variables, 1/5155 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/5663 variables, 1/5156 constraints. Problems are: Problem set: 0 solved, 11 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 5663/5678 variables, and 5156 constraints, problems are : Problem set: 0 solved, 11 unsolved in 5041 ms.
Refiners :[Domain max(s): 2576/2584 constraints, Generalized P Invariants (flows): 4/4 constraints, State Equation: 2576/2584 constraints, PredecessorRefiner: 11/11 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 11 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/77 variables, 77/77 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/77 variables, 0/77 constraints. Problems are: Problem set: 0 solved, 11 unsolved
Reachability property CloudReconfiguration-PT-301-ReachabilityCardinality-2025-10 is true.
FORMULA CloudReconfiguration-PT-301-ReachabilityCardinality-2025-10 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
Invariant property CloudReconfiguration-PT-301-ReachabilityCardinality-2025-03 does not hold.
FORMULA CloudReconfiguration-PT-301-ReachabilityCardinality-2025-03 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
SDD proceeding with computation,11 properties remain. new max is 8192
SDD size :6394 after 54831
At refinement iteration 2 (OVERLAPS) 2496/2573 variables, 4/81 constraints. Problems are: Problem set: 2 solved, 9 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/2573 variables, 2496/2577 constraints. Problems are: Problem set: 2 solved, 9 unsolved
SDD proceeding with computation,11 properties remain. new max is 16384
SDD size :54831 after 70735
At refinement iteration 4 (INCLUDED_ONLY) 0/2573 variables, 0/2577 constraints. Problems are: Problem set: 2 solved, 9 unsolved
At refinement iteration 5 (OVERLAPS) 3084/5657 variables, 2573/5150 constraints. Problems are: Problem set: 2 solved, 9 unsolved
Invariant property CloudReconfiguration-PT-301-ReachabilityCardinality-2025-13 does not hold.
FORMULA CloudReconfiguration-PT-301-ReachabilityCardinality-2025-13 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
Reachability property CloudReconfiguration-PT-301-ReachabilityCardinality-2025-00 is true.
SDD proceeding with computation,9 properties remain. new max is 16384
SDD size :70735 after 3.4052e+06
At refinement iteration 6 (INCLUDED_ONLY) 0/5657 variables, 9/5159 constraints. Problems are: Problem set: 3 solved, 8 unsolved
SDD proceeding with computation,9 properties remain. new max is 32768
SDD size :3.4052e+06 after 8.47213e+06
At refinement iteration 7 (INCLUDED_ONLY) 0/5657 variables, 0/5159 constraints. Problems are: Problem set: 3 solved, 8 unsolved
At refinement iteration 8 (OVERLAPS) 2/5659 variables, 1/5160 constraints. Problems are: Problem set: 3 solved, 8 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/5659 variables, 1/5161 constraints. Problems are: Problem set: 3 solved, 8 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 5659/5678 variables, and 5161 constraints, problems are : Problem set: 3 solved, 8 unsolved in 5025 ms.
Refiners :[Domain max(s): 2574/2584 constraints, Generalized P Invariants (flows): 4/4 constraints, State Equation: 2574/2584 constraints, PredecessorRefiner: 9/11 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 10225ms problems are : Problem set: 3 solved, 8 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 66 out of 2584 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2584/2584 places, 3094/3094 transitions.
Graph (trivial) has 2816 edges and 2584 vertex of which 712 / 2584 are part of one of the 56 SCC in 18 ms
Free SCC test removed 656 places
Drop transitions (Empty/Sink Transition effects.) removed 804 transitions
Reduce isomorphic transitions removed 804 transitions.
Graph (complete) has 2568 edges and 1928 vertex of which 1914 are kept as prefixes of interest. Removing 14 places using SCC suffix rule.8 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 9 transitions
Reduce isomorphic transitions removed 9 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1196 transitions
Trivial Post-agglo rules discarded 1196 transitions
Performed 1196 trivial Post agglomeration. Transition count delta: 1196
Iterating post reduction 0 with 1205 rules applied. Total rules applied 1207 place count 1914 transition count 1076
Reduce places removed 1196 places and 0 transitions.
Ensure Unique test removed 72 transitions
Reduce isomorphic transitions removed 72 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 60 transitions
Trivial Post-agglo rules discarded 60 transitions
Performed 60 trivial Post agglomeration. Transition count delta: 60
Iterating post reduction 1 with 1328 rules applied. Total rules applied 2535 place count 718 transition count 944
Reduce places removed 60 places and 0 transitions.
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 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 67 rules applied. Total rules applied 2602 place count 658 transition count 937
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 2607 place count 656 transition count 934
Reduce places removed 2 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Performed 41 Post agglomeration using F-continuation condition.Transition count delta: 41
Iterating post reduction 4 with 44 rules applied. Total rules applied 2651 place count 654 transition count 892
Reduce places removed 41 places and 0 transitions.
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 5 with 44 rules applied. Total rules applied 2695 place count 613 transition count 889
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 6 with 1 rules applied. Total rules applied 2696 place count 612 transition count 889
Performed 24 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 7 with 24 Pre rules applied. Total rules applied 2696 place count 612 transition count 865
Deduced a syphon composed of 24 places in 2 ms
Reduce places removed 24 places and 0 transitions.
Iterating global reduction 7 with 48 rules applied. Total rules applied 2744 place count 588 transition count 865
Discarding 74 places :
Symmetric choice reduction at 7 with 74 rule applications. Total rules 2818 place count 514 transition count 791
Iterating global reduction 7 with 74 rules applied. Total rules applied 2892 place count 514 transition count 791
Performed 6 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 7 with 6 Pre rules applied. Total rules applied 2892 place count 514 transition count 785
Deduced a syphon composed of 6 places in 2 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 7 with 12 rules applied. Total rules applied 2904 place count 508 transition count 785
Discarding 52 places :
Symmetric choice reduction at 7 with 52 rule applications. Total rules 2956 place count 456 transition count 733
Iterating global reduction 7 with 52 rules applied. Total rules applied 3008 place count 456 transition count 733
Ensure Unique test removed 11 transitions
Reduce isomorphic transitions removed 11 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 11 transitions
Trivial Post-agglo rules discarded 11 transitions
Performed 11 trivial Post agglomeration. Transition count delta: 11
Iterating post reduction 7 with 22 rules applied. Total rules applied 3030 place count 456 transition count 711
Reduce places removed 11 places and 0 transitions.
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 2 transitions
Trivial Post-agglo rules discarded 2 transitions
Performed 2 trivial Post agglomeration. Transition count delta: 2
Iterating post reduction 8 with 15 rules applied. Total rules applied 3045 place count 445 transition count 707
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 9 with 2 rules applied. Total rules applied 3047 place count 443 transition count 707
Discarding 13 places :
Symmetric choice reduction at 10 with 13 rule applications. Total rules 3060 place count 430 transition count 685
Iterating global reduction 10 with 13 rules applied. Total rules applied 3073 place count 430 transition count 685
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 10 with 3 rules applied. Total rules applied 3076 place count 430 transition count 682
Discarding 6 places :
Symmetric choice reduction at 11 with 6 rule applications. Total rules 3082 place count 424 transition count 670
Iterating global reduction 11 with 6 rules applied. Total rules applied 3088 place count 424 transition count 670
Discarding 2 places :
Symmetric choice reduction at 11 with 2 rule applications. Total rules 3090 place count 422 transition count 666
Iterating global reduction 11 with 2 rules applied. Total rules applied 3092 place count 422 transition count 666
Performed 169 Post agglomeration using F-continuation condition with reduction of 59 identical transitions.
Deduced a syphon composed of 169 places in 0 ms
Reduce places removed 169 places and 0 transitions.
Iterating global reduction 11 with 338 rules applied. Total rules applied 3430 place count 253 transition count 438
Ensure Unique test removed 11 transitions
Reduce isomorphic transitions removed 11 transitions.
Iterating post reduction 11 with 11 rules applied. Total rules applied 3441 place count 253 transition count 427
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 12 with 4 rules applied. Total rules applied 3445 place count 251 transition count 425
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 12 with 2 rules applied. Total rules applied 3447 place count 251 transition count 423
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 13 with 2 rules applied. Total rules applied 3449 place count 250 transition count 422
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 13 with 2 rules applied. Total rules applied 3451 place count 250 transition count 420
Performed 42 Post agglomeration using F-continuation condition with reduction of 17 identical transitions.
Deduced a syphon composed of 42 places in 0 ms
Reduce places removed 42 places and 0 transitions.
Iterating global reduction 14 with 84 rules applied. Total rules applied 3535 place count 208 transition count 470
Ensure Unique test removed 37 transitions
Reduce isomorphic transitions removed 37 transitions.
Iterating post reduction 14 with 37 rules applied. Total rules applied 3572 place count 208 transition count 433
Discarding 13 places :
Symmetric choice reduction at 15 with 13 rule applications. Total rules 3585 place count 195 transition count 407
Iterating global reduction 15 with 13 rules applied. Total rules applied 3598 place count 195 transition count 407
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 15 with 1 rules applied. Total rules applied 3599 place count 195 transition count 406
Discarding 2 places :
Symmetric choice reduction at 16 with 2 rule applications. Total rules 3601 place count 193 transition count 402
Iterating global reduction 16 with 2 rules applied. Total rules applied 3603 place count 193 transition count 402
Drop transitions (Redundant composition of simpler transitions.) removed 24 transitions
Redundant transition composition rules discarded 24 transitions
Iterating global reduction 16 with 24 rules applied. Total rules applied 3627 place count 193 transition count 378
Discarding 1 places :
Symmetric choice reduction at 16 with 1 rule applications. Total rules 3628 place count 192 transition count 377
Iterating global reduction 16 with 1 rules applied. Total rules applied 3629 place count 192 transition count 377
Free-agglomeration rule applied 20 times.
Iterating global reduction 16 with 20 rules applied. Total rules applied 3649 place count 192 transition count 357
Reduce places removed 20 places and 0 transitions.
Iterating post reduction 16 with 20 rules applied. Total rules applied 3669 place count 172 transition count 357
Drop transitions (Redundant composition of simpler transitions.) removed 3 transitions
Redundant transition composition rules discarded 3 transitions
Iterating global reduction 17 with 3 rules applied. Total rules applied 3672 place count 172 transition count 354
Partial Free-agglomeration rule applied 8 times.
Drop transitions (Partial Free agglomeration) removed 8 transitions
Iterating global reduction 17 with 8 rules applied. Total rules applied 3680 place count 172 transition count 354
Drop transitions (Redundant composition of simpler transitions.) removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 17 with 2 rules applied. Total rules applied 3682 place count 172 transition count 352
Partial Post-agglomeration rule applied 4 times.
Drop transitions (Partial Post agglomeration) removed 4 transitions
Iterating global reduction 17 with 4 rules applied. Total rules applied 3686 place count 172 transition count 352
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 17 with 1 rules applied. Total rules applied 3687 place count 172 transition count 351
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 18 with 1 rules applied. Total rules applied 3688 place count 171 transition count 350
Applied a total of 3688 rules in 399 ms. Remains 171 /2584 variables (removed 2413) and now considering 350/3094 (removed 2744) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 409 ms. Remains : 171/2584 places, 350/3094 transitions.
RANDOM walk for 40000 steps (8 resets) in 458 ms. (87 steps per ms) remains 4/8 properties
FORMULA CloudReconfiguration-PT-301-ReachabilityCardinality-2025-15 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudReconfiguration-PT-301-ReachabilityCardinality-2025-08 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudReconfiguration-PT-301-ReachabilityCardinality-2025-02 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudReconfiguration-PT-301-ReachabilityCardinality-2025-01 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 40004 steps (8 resets) in 134 ms. (296 steps per ms) remains 2/4 properties
FORMULA CloudReconfiguration-PT-301-ReachabilityCardinality-2025-11 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CloudReconfiguration-PT-301-ReachabilityCardinality-2025-06 FALSE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 40003 steps (8 resets) in 104 ms. (380 steps per ms) remains 1/2 properties
FORMULA CloudReconfiguration-PT-301-ReachabilityCardinality-2025-09 FALSE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
[2025-05-30 05:17:08] [INFO ] Flow matrix only has 340 transitions (discarded 10 similar events)
// Phase 1: matrix 340 rows 171 cols
[2025-05-30 05:17:08] [INFO ] Computed 4 invariants in 2 ms
[2025-05-30 05:17:08] [INFO ] State equation strengthened by 4 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/10 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 157/167 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/167 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 339/506 variables, 167/171 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/506 variables, 3/174 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/506 variables, 0/174 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 5/511 variables, 4/178 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/511 variables, 1/179 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/511 variables, 0/179 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 0/511 variables, 0/179 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 511/511 variables, and 179 constraints, problems are : Problem set: 0 solved, 1 unsolved in 140 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 171/171 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/10 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 157/167 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 05:17:08] [INFO ] Deduced a trap composed of 44 places in 101 ms of which 15 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/167 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 05:17:09] [INFO ] Deduced a trap composed of 36 places in 85 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 05:17:09] [INFO ] Deduced a trap composed of 43 places in 82 ms of which 9 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/167 variables, 2/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/167 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 339/506 variables, 167/174 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/506 variables, 3/177 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/506 variables, 1/178 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/506 variables, 0/178 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 5/511 variables, 4/182 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/511 variables, 1/183 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/511 variables, 0/183 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/511 variables, 0/183 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 511/511 variables, and 183 constraints, problems are : Problem set: 0 solved, 1 unsolved in 519 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 171/171 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 669ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 42 steps, including 1 resets, run visited all 1 properties in 1 ms. (steps per millisecond=42 )
FORMULA CloudReconfiguration-PT-301-ReachabilityCardinality-2025-07 FALSE TECHNIQUES PARIKH_WALK
Parikh walk visited 1 properties in 6 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 13363 ms.

BK_STOP 1748582229388

--------------------
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_1.0.0.202505121319.jar
+ VERSION=202505121319
+ echo 'Running Version 202505121319'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination ReachabilityCardinality -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600

Sequence of Actions to be Executed by the VM

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

set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="CloudReconfiguration-PT-301"
export BK_EXAMINATION="ReachabilityCardinality"
export BK_TOOL="itstools"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

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

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5832"
echo " Executing tool itstools"
echo " Input is CloudReconfiguration-PT-301, examination is ReachabilityCardinality"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r044-tall-174854028000214"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/CloudReconfiguration-PT-301.tgz
mv CloudReconfiguration-PT-301 execution
cd execution
if [ "ReachabilityCardinality" = "ReachabilityDeadlock" ] || [ "ReachabilityCardinality" = "UpperBounds" ] || [ "ReachabilityCardinality" = "QuasiLiveness" ] || [ "ReachabilityCardinality" = "StableMarking" ] || [ "ReachabilityCardinality" = "Liveness" ] || [ "ReachabilityCardinality" = "OneSafe" ] || [ "ReachabilityCardinality" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh

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