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-177946967500126.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-302, examination is ReachabilityCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r066-tall-177946967500126
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.2M
-rw-r--r-- 1 mcc users 7.2K Mar 6 08:53 CTLCardinality.txt
-rw-r--r-- 1 mcc users 72K Mar 6 08:53 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.3K Mar 6 08:53 CTLFireability.txt
-rw-r--r-- 1 mcc users 57K Mar 6 08:53 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.8K Mar 3 18:30 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 4.0K Mar 15 08:21 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K 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 20K Mar 15 08:21 LTLFireability.xml
-rw-r--r-- 1 mcc users 18K Mar 6 08:53 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 189K Mar 6 08:53 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.0K Mar 6 08:53 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 74K Mar 6 08:53 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-302-ReachabilityCardinality-2024-00
FORMULA_NAME CloudReconfiguration-PT-302-ReachabilityCardinality-2024-01
FORMULA_NAME CloudReconfiguration-PT-302-ReachabilityCardinality-2024-02
FORMULA_NAME CloudReconfiguration-PT-302-ReachabilityCardinality-2024-03
FORMULA_NAME CloudReconfiguration-PT-302-ReachabilityCardinality-2024-04
FORMULA_NAME CloudReconfiguration-PT-302-ReachabilityCardinality-2024-05
FORMULA_NAME CloudReconfiguration-PT-302-ReachabilityCardinality-2024-06
FORMULA_NAME CloudReconfiguration-PT-302-ReachabilityCardinality-2024-07
FORMULA_NAME CloudReconfiguration-PT-302-ReachabilityCardinality-2024-08
FORMULA_NAME CloudReconfiguration-PT-302-ReachabilityCardinality-2024-09
FORMULA_NAME CloudReconfiguration-PT-302-ReachabilityCardinality-2024-10
FORMULA_NAME CloudReconfiguration-PT-302-ReachabilityCardinality-2024-11
FORMULA_NAME CloudReconfiguration-PT-302-ReachabilityCardinality-2024-12
FORMULA_NAME CloudReconfiguration-PT-302-ReachabilityCardinality-2024-13
FORMULA_NAME CloudReconfiguration-PT-302-ReachabilityCardinality-2024-14
FORMULA_NAME CloudReconfiguration-PT-302-ReachabilityCardinality-2024-15

=== Now, execution of the tool begins

BK_START 1779499237884

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-302
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityCardinality PT
Running Version 202604301425
[2026-05-23 01:20:39] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityCardinality, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2026-05-23 01:20:39] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-23 01:20:39] [INFO ] Load time of PNML (sax parser for PT used): 147 ms
[2026-05-23 01:20:39] [INFO ] Transformed 2585 places.
[2026-05-23 01:20:39] [INFO ] Transformed 3095 transitions.
[2026-05-23 01:20:39] [INFO ] Found NUPN structural information;
[2026-05-23 01:20:39] [INFO ] Parsed PT model containing 2585 places and 3095 transitions and 6463 arcs in 252 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityCardinality.xml in 22 ms.
Working with output stream class java.io.PrintStream
RANDOM walk for 40000 steps (290 resets) in 2626 ms. (15 steps per ms) remains 15/16 properties
FORMULA CloudReconfiguration-PT-302-ReachabilityCardinality-2024-12 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
[2026-05-23 01:20:40] [INFO ] Flatten gal took : 338 ms
BEST_FIRST walk for 4003 steps (8 resets) in 145 ms. (27 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4002 steps (8 resets) in 61 ms. (64 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (10 resets) in 47 ms. (83 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4001 steps (8 resets) in 84 ms. (47 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4002 steps (8 resets) in 25 ms. (153 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 61 ms. (64 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4003 steps (8 resets) in 118 ms. (33 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 38 ms. (102 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 31 ms. (125 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4003 steps (8 resets) in 31 ms. (125 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4002 steps (8 resets) in 18 ms. (210 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 29 ms. (133 steps per ms) remains 15/15 properties
[2026-05-23 01:20:40] [INFO ] Flatten gal took : 230 ms
BEST_FIRST walk for 4003 steps (8 resets) in 22 ms. (174 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4003 steps (8 resets) in 26 ms. (148 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (9 resets) in 35 ms. (111 steps per ms) remains 15/15 properties
[2026-05-23 01:20:40] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality8229069042718740323.gal : 86 ms
[2026-05-23 01:20:40] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality12380897711451519584.prop : 3 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality8229069042718740323.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality12380897711451519584.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
Loading property file /tmp/ReachabilityCardinality12380897711451519584.prop.
Interrupted probabilistic random walk after 200161 steps, run timeout after 3001 ms. (steps per millisecond=66 ) properties seen :0 out of 15
Probabilistic random walk after 200161 steps, saw 50901 distinct states, run finished after 3007 ms. (steps per millisecond=66 ) properties seen :0
SDD proceeding with computation,15 properties remain. new max is 4
SDD size :1 after 4
SDD proceeding with computation,15 properties remain. new max is 8
SDD size :4 after 5
SDD proceeding with computation,15 properties remain. new max is 16
SDD size :5 after 6
SDD proceeding with computation,15 properties remain. new max is 32
SDD size :6 after 7
SDD proceeding with computation,15 properties remain. new max is 64
SDD size :7 after 8
SDD proceeding with computation,15 properties remain. new max is 128
SDD size :8 after 9
SDD proceeding with computation,15 properties remain. new max is 256
SDD size :9 after 10
SDD proceeding with computation,15 properties remain. new max is 512
SDD size :10 after 11
SDD proceeding with computation,15 properties remain. new max is 1024
SDD size :11 after 20
SDD proceeding with computation,15 properties remain. new max is 2048
SDD size :20 after 453
SDD proceeding with computation,15 properties remain. new max is 4096
SDD size :453 after 2466
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-13945977904652894523.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-1056215058814770637.kers'
[2026-05-23 01:20:46] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-13945977904652894523.kers, --Pflows, --basisKERS=/tmp/petrispot-output-1056215058814770637.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 01:20:46] [INFO ] Computed 4 invariants in 16 ms
Computed 4 P flows in 17 ms.
Exported basis to /tmp/petrispot-output-1056215058814770637.kers
Total runtime 21 ms.
Excessive predecessor constraint size, skipping predecessor.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/326 variables, 326/326 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/326 variables, 0/326 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 2 (OVERLAPS) 2250/2576 variables, 4/330 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/2576 variables, 2250/2580 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/2576 variables, 0/2580 constraints. Problems are: Problem set: 0 solved, 15 unsolved
Reachability property CloudReconfiguration-PT-302-ReachabilityCardinality-2024-15 is true.
FORMULA CloudReconfiguration-PT-302-ReachabilityCardinality-2024-15 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
Reachability property CloudReconfiguration-PT-302-ReachabilityCardinality-2024-10 is true.
FORMULA CloudReconfiguration-PT-302-ReachabilityCardinality-2024-10 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
SDD proceeding with computation,13 properties remain. new max is 4096
SDD size :2466 after 6634
At refinement iteration 5 (OVERLAPS) 3089/5665 variables, 2576/5156 constraints. Problems are: Problem set: 2 solved, 13 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/5665 variables, 0/5156 constraints. Problems are: Problem set: 2 solved, 13 unsolved
At refinement iteration 7 (OVERLAPS) 9/5674 variables, 5/5161 constraints. Problems are: Problem set: 2 solved, 13 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/5674 variables, 5/5166 constraints. Problems are: Problem set: 2 solved, 13 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 5674/5680 variables, and 5166 constraints, problems are : Problem set: 2 solved, 13 unsolved in 5052 ms.
Refiners :[Domain max(s): 2581/2585 constraints, Generalized P Invariants (flows): 4/4 constraints, State Equation: 2581/2585 constraints, PredecessorRefiner: 15/11 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 2 solved, 13 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/279 variables, 279/279 constraints. Problems are: Problem set: 2 solved, 13 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/279 variables, 0/279 constraints. Problems are: Problem set: 2 solved, 13 unsolved
At refinement iteration 2 (OVERLAPS) 2297/2576 variables, 4/283 constraints. Problems are: Problem set: 2 solved, 13 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/2576 variables, 2297/2580 constraints. Problems are: Problem set: 2 solved, 13 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/2576 variables, 0/2580 constraints. Problems are: Problem set: 2 solved, 13 unsolved
Invariant property CloudReconfiguration-PT-302-ReachabilityCardinality-2024-13 does not hold.
FORMULA CloudReconfiguration-PT-302-ReachabilityCardinality-2024-13 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
At refinement iteration 5 (OVERLAPS) 3089/5665 variables, 2576/5156 constraints. Problems are: Problem set: 3 solved, 12 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/5665 variables, 9/5165 constraints. Problems are: Problem set: 3 solved, 12 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 5665/5680 variables, and 5165 constraints, problems are : Problem set: 3 solved, 12 unsolved in 5023 ms.
Refiners :[Domain max(s): 2576/2585 constraints, Generalized P Invariants (flows): 4/4 constraints, State Equation: 2576/2585 constraints, PredecessorRefiner: 12/11 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 10305ms problems are : Problem set: 3 solved, 12 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 236 out of 2585 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2585/2585 places, 3095/3095 transitions.
Graph (trivial) has 2453 edges and 2585 vertex of which 428 / 2585 are part of one of the 44 SCC in 27 ms
Free SCC test removed 384 places
Drop transitions (Empty/Sink Transition effects.) removed 467 transitions
Reduce isomorphic transitions removed 467 transitions.
Graph (complete) has 2908 edges and 2201 vertex of which 2188 are kept as prefixes of interest. Removing 13 places using SCC suffix rule.7 ms
Discarding 13 places :
Also discarding 8 output transitions
Drop transitions (Output transitions of discarded places.) removed 8 transitions
Drop transitions (Empty/Sink Transition effects.) removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1067 transitions
Trivial Post-agglo rules discarded 1067 transitions
Performed 1067 trivial Post agglomeration. Transition count delta: 1067
Iterating post reduction 0 with 1075 rules applied. Total rules applied 1077 place count 2188 transition count 1545
Reduce places removed 1067 places and 0 transitions.
Ensure Unique test removed 48 transitions
Reduce isomorphic transitions removed 48 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 23 transitions
Trivial Post-agglo rules discarded 23 transitions
Performed 23 trivial Post agglomeration. Transition count delta: 23
Iterating post reduction 1 with 1138 rules applied. Total rules applied 2215 place count 1121 transition count 1474
Reduce places removed 23 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Performed 142 Post agglomeration using F-continuation condition.Transition count delta: 142
Iterating post reduction 2 with 166 rules applied. Total rules applied 2381 place count 1098 transition count 1331
Reduce places removed 142 places and 0 transitions.
Ensure Unique test removed 13 transitions
Reduce isomorphic transitions removed 13 transitions.
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: 4
Iterating post reduction 3 with 159 rules applied. Total rules applied 2540 place count 956 transition count 1314
Reduce places removed 4 places and 0 transitions.
Iterating post reduction 4 with 4 rules applied. Total rules applied 2544 place count 952 transition count 1314
Performed 40 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 5 with 40 Pre rules applied. Total rules applied 2544 place count 952 transition count 1274
Deduced a syphon composed of 40 places in 3 ms
Reduce places removed 40 places and 0 transitions.
Iterating global reduction 5 with 80 rules applied. Total rules applied 2624 place count 912 transition count 1274
Discarding 88 places :
Symmetric choice reduction at 5 with 88 rule applications. Total rules 2712 place count 824 transition count 1186
Iterating global reduction 5 with 88 rules applied. Total rules applied 2800 place count 824 transition count 1186
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 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 5 with 8 rules applied. Total rules applied 2808 place count 824 transition count 1178
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 6 with 2 rules applied. Total rules applied 2810 place count 822 transition count 1178
Performed 5 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 7 with 5 Pre rules applied. Total rules applied 2810 place count 822 transition count 1173
Deduced a syphon composed of 5 places in 2 ms
Reduce places removed 5 places and 0 transitions.
Iterating global reduction 7 with 10 rules applied. Total rules applied 2820 place count 817 transition count 1173
Discarding 43 places :
Symmetric choice reduction at 7 with 43 rule applications. Total rules 2863 place count 774 transition count 1130
Iterating global reduction 7 with 43 rules applied. Total rules applied 2906 place count 774 transition count 1130
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 4 transitions
Trivial Post-agglo rules discarded 4 transitions
Performed 4 trivial Post agglomeration. Transition count delta: 4
Iterating post reduction 7 with 9 rules applied. Total rules applied 2915 place count 774 transition count 1121
Reduce places removed 4 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 8 with 5 rules applied. Total rules applied 2920 place count 770 transition count 1120
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 9 with 1 rules applied. Total rules applied 2921 place count 769 transition count 1120
Discarding 3 places :
Symmetric choice reduction at 10 with 3 rule applications. Total rules 2924 place count 766 transition count 1115
Iterating global reduction 10 with 3 rules applied. Total rules applied 2927 place count 766 transition count 1115
Discarding 1 places :
Symmetric choice reduction at 10 with 1 rule applications. Total rules 2928 place count 765 transition count 1113
Iterating global reduction 10 with 1 rules applied. Total rules applied 2929 place count 765 transition count 1113
Discarding 1 places :
Symmetric choice reduction at 10 with 1 rule applications. Total rules 2930 place count 764 transition count 1111
Iterating global reduction 10 with 1 rules applied. Total rules applied 2931 place count 764 transition count 1111
Performed 197 Post agglomeration using F-continuation condition with reduction of 59 identical transitions.
Deduced a syphon composed of 197 places in 1 ms
Reduce places removed 197 places and 0 transitions.
Iterating global reduction 10 with 394 rules applied. Total rules applied 3325 place count 567 transition count 855
Ensure Unique test removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 10 with 10 rules applied. Total rules applied 3335 place count 567 transition count 845
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 11 with 4 rules applied. Total rules applied 3339 place count 565 transition count 843
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 11 with 1 rules applied. Total rules applied 3340 place count 565 transition count 842
Performed 43 Post agglomeration using F-continuation condition.Transition count delta: -64
Deduced a syphon composed of 43 places in 2 ms
Reduce places removed 43 places and 0 transitions.
Iterating global reduction 12 with 86 rules applied. Total rules applied 3426 place count 522 transition count 906
Ensure Unique test removed 23 transitions
Reduce isomorphic transitions removed 23 transitions.
Iterating post reduction 12 with 23 rules applied. Total rules applied 3449 place count 522 transition count 883
Discarding 4 places :
Symmetric choice reduction at 13 with 4 rule applications. Total rules 3453 place count 518 transition count 875
Iterating global reduction 13 with 4 rules applied. Total rules applied 3457 place count 518 transition count 875
Drop transitions (Redundant composition of simpler transitions.) removed 46 transitions
Redundant transition composition rules discarded 46 transitions
Iterating global reduction 13 with 46 rules applied. Total rules applied 3503 place count 518 transition count 829
Discarding 2 places :
Symmetric choice reduction at 13 with 2 rule applications. Total rules 3505 place count 516 transition count 827
Iterating global reduction 13 with 2 rules applied. Total rules applied 3507 place count 516 transition count 827
Free-agglomeration rule applied 45 times.
Iterating global reduction 13 with 45 rules applied. Total rules applied 3552 place count 516 transition count 782
Reduce places removed 45 places and 0 transitions.
Iterating post reduction 13 with 45 rules applied. Total rules applied 3597 place count 471 transition count 782
Drop transitions (Redundant composition of simpler transitions.) removed 12 transitions
Redundant transition composition rules discarded 12 transitions
Iterating global reduction 14 with 12 rules applied. Total rules applied 3609 place count 471 transition count 770
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 14 with 1 rules applied. Total rules applied 3610 place count 471 transition count 769
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 14 with 1 rules applied. Total rules applied 3611 place count 470 transition count 769
Partial Free-agglomeration rule applied 19 times.
Drop transitions (Partial Free agglomeration) removed 19 transitions
Iterating global reduction 15 with 19 rules applied. Total rules applied 3630 place count 470 transition count 769
Drop transitions (Redundant composition of simpler transitions.) removed 3 transitions
Redundant transition composition rules discarded 3 transitions
Iterating global reduction 15 with 3 rules applied. Total rules applied 3633 place count 470 transition count 766
Partial Post-agglomeration rule applied 7 times.
Drop transitions (Partial Post agglomeration) removed 7 transitions
Iterating global reduction 15 with 7 rules applied. Total rules applied 3640 place count 470 transition count 766
Applied a total of 3640 rules in 723 ms. Remains 470 /2585 variables (removed 2115) and now considering 766/3095 (removed 2329) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 735 ms. Remains : 470/2585 places, 766/3095 transitions.
RANDOM walk for 40000 steps (10 resets) in 522 ms. (76 steps per ms) remains 5/12 properties
FORMULA CloudReconfiguration-PT-302-ReachabilityCardinality-2024-14 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudReconfiguration-PT-302-ReachabilityCardinality-2024-11 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudReconfiguration-PT-302-ReachabilityCardinality-2024-08 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudReconfiguration-PT-302-ReachabilityCardinality-2024-05 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudReconfiguration-PT-302-ReachabilityCardinality-2024-03 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudReconfiguration-PT-302-ReachabilityCardinality-2024-02 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudReconfiguration-PT-302-ReachabilityCardinality-2024-00 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 40004 steps (9 resets) in 96 ms. (412 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40002 steps (9 resets) in 104 ms. (380 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40003 steps (8 resets) in 228 ms. (174 steps per ms) remains 4/5 properties
FORMULA CloudReconfiguration-PT-302-ReachabilityCardinality-2024-06 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 40003 steps (10 resets) in 150 ms. (264 steps per ms) remains 3/4 properties
FORMULA CloudReconfiguration-PT-302-ReachabilityCardinality-2024-04 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 40004 steps (8 resets) in 134 ms. (296 steps per ms) remains 3/3 properties
[2026-05-23 01:20:58] [INFO ] Flow matrix only has 759 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-11180468981475207273.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-3977027365690133339.kers'
[2026-05-23 01:20:58] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-11180468981475207273.kers, --Pflows, --basisKERS=/tmp/petrispot-output-3977027365690133339.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 759 rows 470 cols 1805 entries
Finished phase 1 with 467 SingleSign rule and 0 generalized
[2026-05-23 01:20:58] [INFO ] Computed 3 invariants in 3 ms
Computed 3 P flows in 6 ms.
Exported basis to /tmp/petrispot-output-3977027365690133339.kers
Total runtime 7 ms.
[2026-05-23 01:20:58] [INFO ] State equation strengthened by 6 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/57 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 308/365 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/365 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 617/982 variables, 365/368 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/982 variables, 0/368 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 126/1108 variables, 35/403 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1108 variables, 6/409 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1108 variables, 0/409 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (OVERLAPS) 76/1184 variables, 43/452 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1184 variables, 0/452 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (OVERLAPS) 28/1212 variables, 17/469 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1212 variables, 0/469 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 12 (OVERLAPS) 11/1223 variables, 6/475 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1223 variables, 0/475 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 14 (OVERLAPS) 6/1229 variables, 4/479 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1229 variables, 0/479 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 16 (OVERLAPS) 0/1229 variables, 0/479 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1229/1229 variables, and 479 constraints, problems are : Problem set: 0 solved, 3 unsolved in 1112 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 470/470 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 3/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/57 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 308/365 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/365 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 617/982 variables, 365/368 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/982 variables, 1/369 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/982 variables, 0/369 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (OVERLAPS) 126/1108 variables, 35/404 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1108 variables, 6/410 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/1108 variables, 1/411 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1108 variables, 0/411 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (OVERLAPS) 76/1184 variables, 43/454 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1184 variables, 0/454 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 12 (OVERLAPS) 28/1212 variables, 17/471 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1212 variables, 0/471 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 14 (OVERLAPS) 11/1223 variables, 6/477 constraints. Problems are: Problem set: 0 solved, 3 unsolved
Invariant property CloudReconfiguration-PT-302-ReachabilityCardinality-2024-11 does not hold.
Invariant property CloudReconfiguration-PT-302-ReachabilityCardinality-2024-05 does not hold.
At refinement iteration 15 (INCLUDED_ONLY) 0/1223 variables, 0/477 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 16 (OVERLAPS) 6/1229 variables, 4/481 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1229 variables, 0/481 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 18 (OVERLAPS) 0/1229 variables, 0/481 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1229/1229 variables, and 481 constraints, problems are : Problem set: 0 solved, 3 unsolved in 1959 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 470/470 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 3/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 3105ms problems are : Problem set: 0 solved, 3 unsolved
FORMULA CloudReconfiguration-PT-302-ReachabilityCardinality-2024-01 TRUE TECHNIQUES PARIKH_WALK
FORMULA CloudReconfiguration-PT-302-ReachabilityCardinality-2024-07 FALSE TECHNIQUES PARIKH_WALK
Finished Parikh walk after 34 steps, including 0 resets, run visited all 1 properties in 1 ms. (steps per millisecond=34 )
FORMULA CloudReconfiguration-PT-302-ReachabilityCardinality-2024-09 FALSE TECHNIQUES PARIKH_WALK
Parikh walk visited 3 properties in 71 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 22416 ms.

BK_STOP 1779499262358

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

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

Sequence of Actions to be Executed by the VM

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

set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="CloudReconfiguration-PT-302"
export BK_EXAMINATION="ReachabilityCardinality"
export BK_TOOL="itstools"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

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

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5973"
echo " Executing tool itstools"
echo " Input is CloudReconfiguration-PT-302, examination is ReachabilityCardinality"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r066-tall-177946967500126"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/CloudReconfiguration-PT-302.tgz
mv CloudReconfiguration-PT-302 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 ;