Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r044-tall-174854028300342.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-318, examination is ReachabilityCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r044-tall-174854028300342
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.2M
-rw-r--r-- 1 mcc users 8.6K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 93K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.3K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 56K 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 3.8K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 101K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 11K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 94K 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 661K 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-318-ReachabilityCardinality-2025-00
FORMULA_NAME CloudReconfiguration-PT-318-ReachabilityCardinality-2025-01
FORMULA_NAME CloudReconfiguration-PT-318-ReachabilityCardinality-2025-02
FORMULA_NAME CloudReconfiguration-PT-318-ReachabilityCardinality-2025-03
FORMULA_NAME CloudReconfiguration-PT-318-ReachabilityCardinality-2025-04
FORMULA_NAME CloudReconfiguration-PT-318-ReachabilityCardinality-2025-05
FORMULA_NAME CloudReconfiguration-PT-318-ReachabilityCardinality-2025-06
FORMULA_NAME CloudReconfiguration-PT-318-ReachabilityCardinality-2025-07
FORMULA_NAME CloudReconfiguration-PT-318-ReachabilityCardinality-2025-08
FORMULA_NAME CloudReconfiguration-PT-318-ReachabilityCardinality-2025-09
FORMULA_NAME CloudReconfiguration-PT-318-ReachabilityCardinality-2025-10
FORMULA_NAME CloudReconfiguration-PT-318-ReachabilityCardinality-2025-11
FORMULA_NAME CloudReconfiguration-PT-318-ReachabilityCardinality-2025-12
FORMULA_NAME CloudReconfiguration-PT-318-ReachabilityCardinality-2025-13
FORMULA_NAME CloudReconfiguration-PT-318-ReachabilityCardinality-2025-14
FORMULA_NAME CloudReconfiguration-PT-318-ReachabilityCardinality-2025-15

=== Now, execution of the tool begins

BK_START 1748599168074

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-318
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityCardinality PT
Running Version 202505121319
[2025-05-30 09:59:29] [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 09:59:29] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-05-30 09:59:29] [INFO ] Load time of PNML (sax parser for PT used): 143 ms
[2025-05-30 09:59:29] [INFO ] Transformed 2587 places.
[2025-05-30 09:59:29] [INFO ] Transformed 3099 transitions.
[2025-05-30 09:59:29] [INFO ] Found NUPN structural information;
[2025-05-30 09:59:29] [INFO ] Parsed PT model containing 2587 places and 3099 transitions and 6479 arcs in 243 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityCardinality.xml in 17 ms.
Working with output stream class java.io.PrintStream
FORMULA CloudReconfiguration-PT-318-ReachabilityCardinality-2025-00 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CloudReconfiguration-PT-318-ReachabilityCardinality-2025-03 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CloudReconfiguration-PT-318-ReachabilityCardinality-2025-12 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CloudReconfiguration-PT-318-ReachabilityCardinality-2025-14 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
RANDOM walk for 40000 steps (309 resets) in 1674 ms. (23 steps per ms) remains 10/12 properties
FORMULA CloudReconfiguration-PT-318-ReachabilityCardinality-2025-10 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudReconfiguration-PT-318-ReachabilityCardinality-2025-01 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 40004 steps (101 resets) in 318 ms. (125 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40002 steps (97 resets) in 231 ms. (172 steps per ms) remains 10/10 properties
[2025-05-30 09:59:30] [INFO ] Flatten gal took : 350 ms
BEST_FIRST walk for 40002 steps (97 resets) in 256 ms. (155 steps per ms) remains 9/10 properties
FORMULA CloudReconfiguration-PT-318-ReachabilityCardinality-2025-11 FALSE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 40003 steps (92 resets) in 209 ms. (190 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40003 steps (94 resets) in 321 ms. (124 steps per ms) remains 9/9 properties
[2025-05-30 09:59:30] [INFO ] Flatten gal took : 230 ms
BEST_FIRST walk for 40001 steps (126 resets) in 264 ms. (150 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40002 steps (96 resets) in 184 ms. (216 steps per ms) remains 9/9 properties
[2025-05-30 09:59:30] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality10136694686456227105.gal : 99 ms
BEST_FIRST walk for 40003 steps (102 resets) in 188 ms. (211 steps per ms) remains 9/9 properties
[2025-05-30 09:59:30] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality14540768423039300650.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/ReachabilityCardinality10136694686456227105.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality14540768423039300650.prop' '--nowitness' '--gen-order' 'FOLLOW'
BEST_FIRST walk for 40004 steps (96 resets) in 233 ms. (170 steps per ms) remains 9/9 properties

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 ...330
// Phase 1: matrix 3099 rows 2587 cols
[2025-05-30 09:59:31] [INFO ] Computed 4 invariants in 41 ms
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
Loading property file /tmp/ReachabilityCardinality14540768423039300650.prop.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/72 variables, 72/72 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/72 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 2 (OVERLAPS) 2504/2576 variables, 4/76 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/2576 variables, 2504/2580 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/2576 variables, 0/2580 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 5 (OVERLAPS) 3089/5665 variables, 2576/5156 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/5665 variables, 0/5156 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 7 (OVERLAPS) 2/5667 variables, 1/5157 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/5667 variables, 1/5158 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/5667 variables, 0/5158 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 10 (OVERLAPS) 2/5669 variables, 1/5159 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/5669 variables, 1/5160 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/5669 variables, 0/5160 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 13 (OVERLAPS) 2/5671 variables, 1/5161 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/5671 variables, 1/5162 constraints. Problems are: Problem set: 0 solved, 9 unsolved
SDD proceeding with computation,9 properties remain. new max is 4
SDD size :1 after 2
SDD proceeding with computation,9 properties remain. new max is 8
SDD size :2 after 3
SDD proceeding with computation,9 properties remain. new max is 16
SDD size :3 after 4
SDD proceeding with computation,9 properties remain. new max is 32
SDD size :4 after 5
SDD proceeding with computation,9 properties remain. new max is 64
SDD size :5 after 6
SDD proceeding with computation,9 properties remain. new max is 128
SDD size :6 after 7
SDD proceeding with computation,9 properties remain. new max is 256
SDD size :7 after 9
SDD proceeding with computation,9 properties remain. new max is 512
SDD size :9 after 11
SDD proceeding with computation,9 properties remain. new max is 1024
SDD size :11 after 19
At refinement iteration 15 (INCLUDED_ONLY) 0/5671 variables, 0/5162 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 16 (OVERLAPS) 2/5673 variables, 1/5163 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/5673 variables, 1/5164 constraints. Problems are: Problem set: 0 solved, 9 unsolved
SDD proceeding with computation,9 properties remain. new max is 2048
SDD size :19 after 320
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 5673/5686 variables, and 5164 constraints, problems are : Problem set: 0 solved, 9 unsolved in 5035 ms.
Refiners :[Domain max(s): 2580/2587 constraints, Generalized P Invariants (flows): 4/4 constraints, State Equation: 2580/2587 constraints, PredecessorRefiner: 9/9 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 9 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
SDD proceeding with computation,9 properties remain. new max is 4096
SDD size :320 after 2226
At refinement iteration 0 (INCLUDED_ONLY) 0/72 variables, 72/72 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/72 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 2 (OVERLAPS) 2504/2576 variables, 4/76 constraints. Problems are: Problem set: 0 solved, 9 unsolved
Invariant property CloudReconfiguration-PT-318-ReachabilityCardinality-2025-06 does not hold.
FORMULA CloudReconfiguration-PT-318-ReachabilityCardinality-2025-06 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
SDD proceeding with computation,8 properties remain. new max is 4096
SDD size :2226 after 5405
At refinement iteration 3 (INCLUDED_ONLY) 0/2576 variables, 2504/2580 constraints. Problems are: Problem set: 1 solved, 8 unsolved
Invariant property CloudReconfiguration-PT-318-ReachabilityCardinality-2025-13 does not hold.
FORMULA CloudReconfiguration-PT-318-ReachabilityCardinality-2025-13 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
SDD proceeding with computation,7 properties remain. new max is 4096
SDD size :5405 after 13640
At refinement iteration 4 (INCLUDED_ONLY) 0/2576 variables, 0/2580 constraints. Problems are: Problem set: 2 solved, 7 unsolved
SDD proceeding with computation,7 properties remain. new max is 8192
SDD size :13640 after 44430
At refinement iteration 5 (OVERLAPS) 3089/5665 variables, 2576/5156 constraints. Problems are: Problem set: 2 solved, 7 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/5665 variables, 7/5163 constraints. Problems are: Problem set: 2 solved, 7 unsolved
SDD proceeding with computation,7 properties remain. new max is 16384
SDD size :44430 after 228316
SDD proceeding with computation,7 properties remain. new max is 32768
SDD size :228316 after 3.6693e+06
At refinement iteration 7 (INCLUDED_ONLY) 0/5665 variables, 0/5163 constraints. Problems are: Problem set: 2 solved, 7 unsolved
At refinement iteration 8 (OVERLAPS) 2/5667 variables, 1/5164 constraints. Problems are: Problem set: 2 solved, 7 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/5667 variables, 1/5165 constraints. Problems are: Problem set: 2 solved, 7 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 5667/5686 variables, and 5165 constraints, problems are : Problem set: 2 solved, 7 unsolved in 5026 ms.
Refiners :[Domain max(s): 2577/2587 constraints, Generalized P Invariants (flows): 4/4 constraints, State Equation: 2577/2587 constraints, PredecessorRefiner: 7/9 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 10199ms problems are : Problem set: 2 solved, 7 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 56 out of 2587 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2587/2587 places, 3099/3099 transitions.
Graph (trivial) has 2838 edges and 2587 vertex of which 682 / 2587 are part of one of the 57 SCC in 10 ms
Free SCC test removed 625 places
Drop transitions (Empty/Sink Transition effects.) removed 760 transitions
Reduce isomorphic transitions removed 760 transitions.
Graph (complete) has 2625 edges and 1962 vertex of which 1948 are kept as prefixes of interest. Removing 14 places using SCC suffix rule.6 ms
Discarding 14 places :
Also discarding 9 output transitions
Drop transitions (Output transitions of discarded places.) removed 9 transitions
Drop transitions (Empty/Sink Transition effects.) removed 9 transitions
Reduce isomorphic transitions removed 9 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1221 transitions
Trivial Post-agglo rules discarded 1221 transitions
Performed 1221 trivial Post agglomeration. Transition count delta: 1221
Iterating post reduction 0 with 1230 rules applied. Total rules applied 1232 place count 1948 transition count 1100
Reduce places removed 1221 places and 0 transitions.
Ensure Unique test removed 70 transitions
Reduce isomorphic transitions removed 70 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 48 transitions
Trivial Post-agglo rules discarded 48 transitions
Performed 48 trivial Post agglomeration. Transition count delta: 48
Iterating post reduction 1 with 1339 rules applied. Total rules applied 2571 place count 727 transition count 982
Reduce places removed 48 places and 0 transitions.
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 5 transitions
Trivial Post-agglo rules discarded 5 transitions
Performed 5 trivial Post agglomeration. Transition count delta: 5
Iterating post reduction 2 with 61 rules applied. Total rules applied 2632 place count 679 transition count 969
Reduce places removed 5 places and 0 transitions.
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 3 transitions
Trivial Post-agglo rules discarded 3 transitions
Performed 3 trivial Post agglomeration. Transition count delta: 3
Iterating post reduction 3 with 11 rules applied. Total rules applied 2643 place count 674 transition count 963
Reduce places removed 3 places and 0 transitions.
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 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 4 with 10 rules applied. Total rules applied 2653 place count 671 transition count 956
Reduce places removed 4 places and 0 transitions.
Performed 34 Post agglomeration using F-continuation condition.Transition count delta: 34
Iterating post reduction 5 with 38 rules applied. Total rules applied 2691 place count 667 transition count 922
Reduce places removed 34 places and 0 transitions.
Iterating post reduction 6 with 34 rules applied. Total rules applied 2725 place count 633 transition count 922
Performed 37 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 7 with 37 Pre rules applied. Total rules applied 2725 place count 633 transition count 885
Deduced a syphon composed of 37 places in 1 ms
Reduce places removed 37 places and 0 transitions.
Iterating global reduction 7 with 74 rules applied. Total rules applied 2799 place count 596 transition count 885
Discarding 81 places :
Symmetric choice reduction at 7 with 81 rule applications. Total rules 2880 place count 515 transition count 804
Iterating global reduction 7 with 81 rules applied. Total rules applied 2961 place count 515 transition count 804
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 7 with 4 rules applied. Total rules applied 2965 place count 515 transition count 800
Reduce places removed 1 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 8 with 3 rules applied. Total rules applied 2968 place count 514 transition count 798
Reduce places removed 1 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 9 with 3 rules applied. Total rules applied 2971 place count 513 transition count 796
Reduce places removed 1 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 10 with 3 rules applied. Total rules applied 2974 place count 512 transition count 794
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 11 with 1 rules applied. Total rules applied 2975 place count 511 transition count 794
Performed 4 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 12 with 4 Pre rules applied. Total rules applied 2975 place count 511 transition count 790
Deduced a syphon composed of 4 places in 1 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 12 with 8 rules applied. Total rules applied 2983 place count 507 transition count 790
Discarding 56 places :
Symmetric choice reduction at 12 with 56 rule applications. Total rules 3039 place count 451 transition count 734
Iterating global reduction 12 with 56 rules applied. Total rules applied 3095 place count 451 transition count 734
Ensure Unique test removed 16 transitions
Reduce isomorphic transitions removed 16 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 16 transitions
Trivial Post-agglo rules discarded 16 transitions
Performed 16 trivial Post agglomeration. Transition count delta: 16
Iterating post reduction 12 with 32 rules applied. Total rules applied 3127 place count 451 transition count 702
Reduce places removed 16 places and 0 transitions.
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 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 13 with 24 rules applied. Total rules applied 3151 place count 435 transition count 694
Reduce places removed 4 places and 0 transitions.
Iterating post reduction 14 with 4 rules applied. Total rules applied 3155 place count 431 transition count 694
Discarding 12 places :
Symmetric choice reduction at 15 with 12 rule applications. Total rules 3167 place count 419 transition count 674
Iterating global reduction 15 with 12 rules applied. Total rules applied 3179 place count 419 transition count 674
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 15 with 4 rules applied. Total rules applied 3183 place count 419 transition count 670
Discarding 5 places :
Symmetric choice reduction at 16 with 5 rule applications. Total rules 3188 place count 414 transition count 660
Iterating global reduction 16 with 5 rules applied. Total rules applied 3193 place count 414 transition count 660
Discarding 2 places :
Symmetric choice reduction at 16 with 2 rule applications. Total rules 3195 place count 412 transition count 656
Iterating global reduction 16 with 2 rules applied. Total rules applied 3197 place count 412 transition count 656
Performed 174 Post agglomeration using F-continuation condition with reduction of 73 identical transitions.
Deduced a syphon composed of 174 places in 1 ms
Reduce places removed 174 places and 0 transitions.
Iterating global reduction 16 with 348 rules applied. Total rules applied 3545 place count 238 transition count 409
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 16 with 6 rules applied. Total rules applied 3551 place count 238 transition count 403
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 17 with 2 rules applied. Total rules applied 3553 place count 237 transition count 402
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 17 with 2 rules applied. Total rules applied 3555 place count 237 transition count 400
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 18 with 2 rules applied. Total rules applied 3557 place count 236 transition count 399
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 18 with 2 rules applied. Total rules applied 3559 place count 236 transition count 397
Performed 47 Post agglomeration using F-continuation condition with reduction of 17 identical transitions.
Deduced a syphon composed of 47 places in 1 ms
Reduce places removed 47 places and 0 transitions.
Iterating global reduction 19 with 94 rules applied. Total rules applied 3653 place count 189 transition count 436
Ensure Unique test removed 37 transitions
Reduce isomorphic transitions removed 37 transitions.
Iterating post reduction 19 with 37 rules applied. Total rules applied 3690 place count 189 transition count 399
Discarding 13 places :
Symmetric choice reduction at 20 with 13 rule applications. Total rules 3703 place count 176 transition count 373
Iterating global reduction 20 with 13 rules applied. Total rules applied 3716 place count 176 transition count 373
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 20 with 1 rules applied. Total rules applied 3717 place count 176 transition count 372
Discarding 2 places :
Symmetric choice reduction at 21 with 2 rule applications. Total rules 3719 place count 174 transition count 368
Iterating global reduction 21 with 2 rules applied. Total rules applied 3721 place count 174 transition count 368
Drop transitions (Redundant composition of simpler transitions.) removed 29 transitions
Redundant transition composition rules discarded 29 transitions
Iterating global reduction 21 with 29 rules applied. Total rules applied 3750 place count 174 transition count 339
Discarding 2 places :
Symmetric choice reduction at 21 with 2 rule applications. Total rules 3752 place count 172 transition count 337
Iterating global reduction 21 with 2 rules applied. Total rules applied 3754 place count 172 transition count 337
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 21 with 2 rules applied. Total rules applied 3756 place count 171 transition count 336
Free-agglomeration rule applied 14 times.
Iterating global reduction 21 with 14 rules applied. Total rules applied 3770 place count 171 transition count 322
Reduce places removed 14 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 21 with 15 rules applied. Total rules applied 3785 place count 157 transition count 321
Drop transitions (Redundant composition of simpler transitions.) removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 22 with 2 rules applied. Total rules applied 3787 place count 157 transition count 319
Partial Free-agglomeration rule applied 7 times.
Drop transitions (Partial Free agglomeration) removed 7 transitions
Iterating global reduction 22 with 7 rules applied. Total rules applied 3794 place count 157 transition count 319
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 22 with 1 rules applied. Total rules applied 3795 place count 157 transition count 318
Partial Post-agglomeration rule applied 2 times.
Drop transitions (Partial Post agglomeration) removed 2 transitions
Iterating global reduction 22 with 2 rules applied. Total rules applied 3797 place count 157 transition count 318
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 22 with 1 rules applied. Total rules applied 3798 place count 157 transition count 317
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 23 with 1 rules applied. Total rules applied 3799 place count 156 transition count 316
Applied a total of 3799 rules in 409 ms. Remains 156 /2587 variables (removed 2431) and now considering 316/3099 (removed 2783) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 416 ms. Remains : 156/2587 places, 316/3099 transitions.
RANDOM walk for 40000 steps (86 resets) in 337 ms. (118 steps per ms) remains 2/7 properties
FORMULA CloudReconfiguration-PT-318-ReachabilityCardinality-2025-15 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudReconfiguration-PT-318-ReachabilityCardinality-2025-09 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudReconfiguration-PT-318-ReachabilityCardinality-2025-07 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudReconfiguration-PT-318-ReachabilityCardinality-2025-05 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudReconfiguration-PT-318-ReachabilityCardinality-2025-04 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 40004 steps (12 resets) in 65 ms. (606 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (10 resets) in 134 ms. (296 steps per ms) remains 2/2 properties
[2025-05-30 09:59:41] [INFO ] Flow matrix only has 305 transitions (discarded 11 similar events)
// Phase 1: matrix 305 rows 156 cols
[2025-05-30 09:59:41] [INFO ] Computed 4 invariants in 4 ms
[2025-05-30 09:59:41] [INFO ] State equation strengthened by 5 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
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) 0/35 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 115/150 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/150 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 304/454 variables, 150/154 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/454 variables, 4/158 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/454 variables, 0/158 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 7/461 variables, 6/164 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/461 variables, 1/165 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/461 variables, 0/165 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 0/461 variables, 0/165 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 461/461 variables, and 165 constraints, problems are : Problem set: 0 solved, 2 unsolved in 160 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 156/156 constraints, ReadFeed: 5/5 constraints, PredecessorRefiner: 2/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/35 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Problem CloudReconfiguration-PT-318-ReachabilityCardinality-2025-02 is UNSAT
FORMULA CloudReconfiguration-PT-318-ReachabilityCardinality-2025-02 TRUE TECHNIQUES SMT_REFINEMENT
At refinement iteration 1 (OVERLAPS) 115/150 variables, 4/4 constraints. Problems are: Problem set: 1 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 09:59:42] [INFO ] Deduced a trap composed of 32 places in 99 ms of which 18 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/150 variables, 1/5 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/150 variables, 0/5 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 304/454 variables, 150/155 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/454 variables, 4/159 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/454 variables, 0/159 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/461 variables, 6/165 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/461 variables, 1/166 constraints. Problems are: Problem set: 1 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 09:59:42] [INFO ] Deduced a trap composed of 40 places in 49 ms of which 2 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/461 variables, 1/167 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/461 variables, 0/167 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 0/461 variables, 0/167 constraints. Problems are: Problem set: 1 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 461/461 variables, and 167 constraints, problems are : Problem set: 1 solved, 1 unsolved in 368 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 156/156 constraints, ReadFeed: 5/5 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 544ms problems are : Problem set: 1 solved, 1 unsolved
Finished Parikh walk after 43 steps, including 2 resets, run visited all 1 properties in 1 ms. (steps per millisecond=43 )
FORMULA CloudReconfiguration-PT-318-ReachabilityCardinality-2025-08 FALSE TECHNIQUES PARIKH_WALK
Parikh walk visited 1 properties in 5 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 13131 ms.

BK_STOP 1748599182450

--------------------
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-318"
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-318, 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-174854028300342"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/CloudReconfiguration-PT-318.tgz
mv CloudReconfiguration-PT-318 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 ;