Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r044-tall-174854028200303.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-312, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r044-tall-174854028200303
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.1M
-rw-r--r-- 1 mcc users 6.5K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 67K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.9K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 39K 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 3.9K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K 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 19K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 117K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.1K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 64K 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-312-ReachabilityFireability-2025-00
FORMULA_NAME CloudReconfiguration-PT-312-ReachabilityFireability-2025-01
FORMULA_NAME CloudReconfiguration-PT-312-ReachabilityFireability-2025-02
FORMULA_NAME CloudReconfiguration-PT-312-ReachabilityFireability-2025-03
FORMULA_NAME CloudReconfiguration-PT-312-ReachabilityFireability-2025-04
FORMULA_NAME CloudReconfiguration-PT-312-ReachabilityFireability-2025-05
FORMULA_NAME CloudReconfiguration-PT-312-ReachabilityFireability-2025-06
FORMULA_NAME CloudReconfiguration-PT-312-ReachabilityFireability-2025-07
FORMULA_NAME CloudReconfiguration-PT-312-ReachabilityFireability-2025-08
FORMULA_NAME CloudReconfiguration-PT-312-ReachabilityFireability-2025-09
FORMULA_NAME CloudReconfiguration-PT-312-ReachabilityFireability-2025-10
FORMULA_NAME CloudReconfiguration-PT-312-ReachabilityFireability-2025-11
FORMULA_NAME CloudReconfiguration-PT-312-ReachabilityFireability-2025-12
FORMULA_NAME CloudReconfiguration-PT-312-ReachabilityFireability-2025-13
FORMULA_NAME CloudReconfiguration-PT-312-ReachabilityFireability-2025-14
FORMULA_NAME CloudReconfiguration-PT-312-ReachabilityFireability-2025-15

=== Now, execution of the tool begins

BK_START 1748593960041

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=ReachabilityFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=CloudReconfiguration-PT-312
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityFireability PT
Running Version 202505121319
[2025-05-30 08:32:41] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityFireability, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2025-05-30 08:32:41] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-05-30 08:32:41] [INFO ] Load time of PNML (sax parser for PT used): 147 ms
[2025-05-30 08:32:41] [INFO ] Transformed 2585 places.
[2025-05-30 08:32:41] [INFO ] Transformed 3095 transitions.
[2025-05-30 08:32:41] [INFO ] Found NUPN structural information;
[2025-05-30 08:32:41] [INFO ] Parsed PT model containing 2585 places and 3095 transitions and 6463 arcs in 249 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 14 ms.
Working with output stream class java.io.PrintStream
RANDOM walk for 40000 steps (288 resets) in 1590 ms. (25 steps per ms) remains 13/16 properties
FORMULA CloudReconfiguration-PT-312-ReachabilityFireability-2025-12 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudReconfiguration-PT-312-ReachabilityFireability-2025-11 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudReconfiguration-PT-312-ReachabilityFireability-2025-10 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 40003 steps (74 resets) in 786 ms. (50 steps per ms) remains 12/13 properties
FORMULA CloudReconfiguration-PT-312-ReachabilityFireability-2025-13 FALSE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
[2025-05-30 08:32:42] [INFO ] Flatten gal took : 352 ms
BEST_FIRST walk for 40003 steps (76 resets) in 251 ms. (158 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40003 steps (75 resets) in 162 ms. (245 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (39 resets) in 117 ms. (339 steps per ms) remains 12/12 properties
[2025-05-30 08:32:42] [INFO ] Flatten gal took : 159 ms
BEST_FIRST walk for 40003 steps (74 resets) in 289 ms. (137 steps per ms) remains 11/12 properties
FORMULA CloudReconfiguration-PT-312-ReachabilityFireability-2025-01 FALSE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
[2025-05-30 08:32:42] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality8716625461762002648.gal : 105 ms
BEST_FIRST walk for 40004 steps (78 resets) in 205 ms. (194 steps per ms) remains 11/11 properties
[2025-05-30 08:32:42] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality13570886670309763579.prop : 2 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality8716625461762002648.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality13570886670309763579.prop' '--nowitness' '--gen-order' 'FOLLOW'
BEST_FIRST walk for 40002 steps (79 resets) in 178 ms. (223 steps per ms) remains 11/11 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 ...329
BEST_FIRST walk for 40002 steps (78 resets) in 179 ms. (222 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40001 steps (83 resets) in 177 ms. (224 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40003 steps (75 resets) in 112 ms. (354 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40004 steps (79 resets) in 163 ms. (243 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40003 steps (36 resets) in 99 ms. (400 steps per ms) remains 11/11 properties
Loading property file /tmp/ReachabilityCardinality13570886670309763579.prop.
// Phase 1: matrix 3095 rows 2585 cols
[2025-05-30 08:32:43] [INFO ] Computed 4 invariants in 44 ms
Excessive predecessor constraint size, skipping predecessor.
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) 0/146 variables, 146/146 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/146 variables, 0/146 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 2 (OVERLAPS) 2429/2575 variables, 4/150 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/2575 variables, 2429/2579 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/2575 variables, 0/2579 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 5 (OVERLAPS) 3087/5662 variables, 2575/5154 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/5662 variables, 0/5154 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 7 (OVERLAPS) 6/5668 variables, 3/5157 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/5668 variables, 3/5160 constraints. Problems are: Problem set: 0 solved, 11 unsolved
SDD proceeding with computation,11 properties remain. new max is 4
SDD size :1 after 3
SDD proceeding with computation,11 properties remain. new max is 8
SDD size :3 after 4
SDD proceeding with computation,11 properties remain. new max is 16
SDD size :4 after 5
SDD proceeding with computation,11 properties remain. new max is 32
SDD size :5 after 6
SDD proceeding with computation,11 properties remain. new max is 64
SDD size :6 after 7
SDD proceeding with computation,11 properties remain. new max is 128
SDD size :7 after 8
SDD proceeding with computation,11 properties remain. new max is 256
SDD size :8 after 9
SDD proceeding with computation,11 properties remain. new max is 512
SDD size :9 after 11
SDD proceeding with computation,11 properties remain. new max is 1024
SDD size :11 after 20
SDD proceeding with computation,11 properties remain. new max is 2048
SDD size :20 after 241
At refinement iteration 9 (INCLUDED_ONLY) 0/5668 variables, 0/5160 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 10 (OVERLAPS) 5/5673 variables, 3/5163 constraints. Problems are: Problem set: 0 solved, 11 unsolved
SDD proceeding with computation,11 properties remain. new max is 4096
SDD size :241 after 2364
At refinement iteration 11 (INCLUDED_ONLY) 0/5673 variables, 3/5166 constraints. Problems are: Problem set: 0 solved, 11 unsolved
Reachability property CloudReconfiguration-PT-312-ReachabilityFireability-2025-06 is true.
FORMULA CloudReconfiguration-PT-312-ReachabilityFireability-2025-06 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 5673/5680 variables, and 5166 constraints, problems are : Problem set: 1 solved, 10 unsolved in 5041 ms.
Refiners :[Domain max(s): 2581/2585 constraints, Generalized P Invariants (flows): 4/4 constraints, State Equation: 2581/2585 constraints, PredecessorRefiner: 11/10 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 solved, 10 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
SDD proceeding with computation,10 properties remain. new max is 4096
SDD size :2364 after 6510
At refinement iteration 0 (INCLUDED_ONLY) 0/145 variables, 145/145 constraints. Problems are: Problem set: 1 solved, 10 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/145 variables, 0/145 constraints. Problems are: Problem set: 1 solved, 10 unsolved
At refinement iteration 2 (OVERLAPS) 2430/2575 variables, 4/149 constraints. Problems are: Problem set: 1 solved, 10 unsolved
SDD proceeding with computation,10 properties remain. new max is 8192
SDD size :6510 after 11363
At refinement iteration 3 (INCLUDED_ONLY) 0/2575 variables, 2430/2579 constraints. Problems are: Problem set: 1 solved, 10 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/2575 variables, 0/2579 constraints. Problems are: Problem set: 1 solved, 10 unsolved
SDD proceeding with computation,10 properties remain. new max is 16384
SDD size :11363 after 67833
At refinement iteration 5 (OVERLAPS) 3087/5662 variables, 2575/5154 constraints. Problems are: Problem set: 1 solved, 10 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/5662 variables, 8/5162 constraints. Problems are: Problem set: 1 solved, 10 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 5662/5680 variables, and 5162 constraints, problems are : Problem set: 1 solved, 10 unsolved in 5026 ms.
Refiners :[Domain max(s): 2575/2585 constraints, Generalized P Invariants (flows): 4/4 constraints, State Equation: 2575/2585 constraints, PredecessorRefiner: 9/10 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 10257ms problems are : Problem set: 1 solved, 10 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 145 out of 2585 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2585/2585 places, 3095/3095 transitions.
Graph (trivial) has 2597 edges and 2585 vertex of which 420 / 2585 are part of one of the 45 SCC in 27 ms
Free SCC test removed 375 places
Drop transitions (Empty/Sink Transition effects.) removed 458 transitions
Reduce isomorphic transitions removed 458 transitions.
Graph (complete) has 2917 edges and 2210 vertex of which 2196 are kept as prefixes of interest. Removing 14 places using SCC suffix rule.24 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 5 transitions
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 7 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1213 transitions
Trivial Post-agglo rules discarded 1213 transitions
Performed 1213 trivial Post agglomeration. Transition count delta: 1213
Iterating post reduction 0 with 1220 rules applied. Total rules applied 1222 place count 2196 transition count 1408
Reduce places removed 1213 places and 0 transitions.
Ensure Unique test removed 55 transitions
Reduce isomorphic transitions removed 55 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 34 transitions
Trivial Post-agglo rules discarded 34 transitions
Performed 34 trivial Post agglomeration. Transition count delta: 34
Iterating post reduction 1 with 1302 rules applied. Total rules applied 2524 place count 983 transition count 1319
Reduce places removed 34 places and 0 transitions.
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 2 with 37 rules applied. Total rules applied 2561 place count 949 transition count 1316
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 3 with 3 rules applied. Total rules applied 2564 place count 948 transition count 1314
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 2 transitions
Trivial Post-agglo rules discarded 2 transitions
Performed 2 trivial Post agglomeration. Transition count delta: 2
Iterating post reduction 4 with 4 rules applied. Total rules applied 2568 place count 947 transition count 1311
Reduce places removed 2 places and 0 transitions.
Performed 140 Post agglomeration using F-continuation condition.Transition count delta: 140
Iterating post reduction 5 with 142 rules applied. Total rules applied 2710 place count 945 transition count 1171
Reduce places removed 140 places and 0 transitions.
Ensure Unique test removed 17 transitions
Reduce isomorphic transitions removed 17 transitions.
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: 3
Iterating post reduction 6 with 160 rules applied. Total rules applied 2870 place count 805 transition count 1151
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 7 with 3 rules applied. Total rules applied 2873 place count 802 transition count 1151
Performed 38 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 8 with 38 Pre rules applied. Total rules applied 2873 place count 802 transition count 1113
Deduced a syphon composed of 38 places in 16 ms
Reduce places removed 38 places and 0 transitions.
Iterating global reduction 8 with 76 rules applied. Total rules applied 2949 place count 764 transition count 1113
Discarding 90 places :
Symmetric choice reduction at 8 with 90 rule applications. Total rules 3039 place count 674 transition count 1023
Iterating global reduction 8 with 90 rules applied. Total rules applied 3129 place count 674 transition count 1023
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 4 rules applied. Total rules applied 3133 place count 674 transition count 1019
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 9 with 2 rules applied. Total rules applied 3135 place count 672 transition count 1019
Performed 9 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 10 with 9 Pre rules applied. Total rules applied 3135 place count 672 transition count 1010
Deduced a syphon composed of 9 places in 1 ms
Reduce places removed 9 places and 0 transitions.
Iterating global reduction 10 with 18 rules applied. Total rules applied 3153 place count 663 transition count 1010
Discarding 50 places :
Symmetric choice reduction at 10 with 50 rule applications. Total rules 3203 place count 613 transition count 960
Iterating global reduction 10 with 50 rules applied. Total rules applied 3253 place count 613 transition count 960
Ensure Unique test removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 9 transitions
Trivial Post-agglo rules discarded 9 transitions
Performed 9 trivial Post agglomeration. Transition count delta: 9
Iterating post reduction 10 with 19 rules applied. Total rules applied 3272 place count 613 transition count 941
Reduce places removed 9 places and 0 transitions.
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 11 with 12 rules applied. Total rules applied 3284 place count 604 transition count 938
Reduce places removed 1 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 12 with 2 rules applied. Total rules applied 3286 place count 603 transition count 937
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 13 with 1 rules applied. Total rules applied 3287 place count 602 transition count 937
Discarding 10 places :
Symmetric choice reduction at 14 with 10 rule applications. Total rules 3297 place count 592 transition count 920
Iterating global reduction 14 with 10 rules applied. Total rules applied 3307 place count 592 transition count 920
Discarding 6 places :
Symmetric choice reduction at 14 with 6 rule applications. Total rules 3313 place count 586 transition count 908
Iterating global reduction 14 with 6 rules applied. Total rules applied 3319 place count 586 transition count 908
Discarding 2 places :
Symmetric choice reduction at 14 with 2 rule applications. Total rules 3321 place count 584 transition count 904
Iterating global reduction 14 with 2 rules applied. Total rules applied 3323 place count 584 transition count 904
Performed 179 Post agglomeration using F-continuation condition with reduction of 41 identical transitions.
Deduced a syphon composed of 179 places in 1 ms
Reduce places removed 179 places and 0 transitions.
Iterating global reduction 14 with 358 rules applied. Total rules applied 3681 place count 405 transition count 684
Ensure Unique test removed 21 transitions
Reduce isomorphic transitions removed 21 transitions.
Iterating post reduction 14 with 21 rules applied. Total rules applied 3702 place count 405 transition count 663
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: 4
Deduced a syphon composed of 4 places in 3 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 15 with 8 rules applied. Total rules applied 3710 place count 401 transition count 659
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 15 with 2 rules applied. Total rules applied 3712 place count 401 transition count 657
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 16 with 2 rules applied. Total rules applied 3714 place count 400 transition count 656
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 16 with 2 rules applied. Total rules applied 3716 place count 400 transition count 654
Performed 49 Post agglomeration using F-continuation condition with reduction of 10 identical transitions.
Deduced a syphon composed of 49 places in 1 ms
Reduce places removed 49 places and 0 transitions.
Iterating global reduction 17 with 98 rules applied. Total rules applied 3814 place count 351 transition count 692
Ensure Unique test removed 29 transitions
Reduce isomorphic transitions removed 29 transitions.
Iterating post reduction 17 with 29 rules applied. Total rules applied 3843 place count 351 transition count 663
Discarding 10 places :
Symmetric choice reduction at 18 with 10 rule applications. Total rules 3853 place count 341 transition count 642
Iterating global reduction 18 with 10 rules applied. Total rules applied 3863 place count 341 transition count 642
Drop transitions (Redundant composition of simpler transitions.) removed 59 transitions
Redundant transition composition rules discarded 59 transitions
Iterating global reduction 18 with 59 rules applied. Total rules applied 3922 place count 341 transition count 583
Discarding 3 places :
Symmetric choice reduction at 18 with 3 rule applications. Total rules 3925 place count 338 transition count 580
Iterating global reduction 18 with 3 rules applied. Total rules applied 3928 place count 338 transition count 580
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 18 with 1 rules applied. Total rules applied 3929 place count 338 transition count 579
Free-agglomeration rule applied 28 times.
Iterating global reduction 18 with 28 rules applied. Total rules applied 3957 place count 338 transition count 551
Reduce places removed 28 places and 0 transitions.
Iterating post reduction 18 with 28 rules applied. Total rules applied 3985 place count 310 transition count 551
Drop transitions (Redundant composition of simpler transitions.) removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 19 with 2 rules applied. Total rules applied 3987 place count 310 transition count 549
Partial Free-agglomeration rule applied 22 times.
Drop transitions (Partial Free agglomeration) removed 22 transitions
Iterating global reduction 19 with 22 rules applied. Total rules applied 4009 place count 310 transition count 549
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 19 with 1 rules applied. Total rules applied 4010 place count 310 transition count 548
Partial Post-agglomeration rule applied 3 times.
Drop transitions (Partial Post agglomeration) removed 3 transitions
Iterating global reduction 19 with 3 rules applied. Total rules applied 4013 place count 310 transition count 548
Applied a total of 4013 rules in 1001 ms. Remains 310 /2585 variables (removed 2275) and now considering 548/3095 (removed 2547) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1008 ms. Remains : 310/2585 places, 548/3095 transitions.
RANDOM walk for 40000 steps (1500 resets) in 406 ms. (98 steps per ms) remains 6/10 properties
FORMULA CloudReconfiguration-PT-312-ReachabilityFireability-2025-15 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudReconfiguration-PT-312-ReachabilityFireability-2025-07 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudReconfiguration-PT-312-ReachabilityFireability-2025-02 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudReconfiguration-PT-312-ReachabilityFireability-2025-00 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 40004 steps (224 resets) in 182 ms. (218 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40003 steps (318 resets) in 127 ms. (312 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40002 steps (319 resets) in 142 ms. (279 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (307 resets) in 210 ms. (189 steps per ms) remains 5/6 properties
FORMULA CloudReconfiguration-PT-312-ReachabilityFireability-2025-04 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 40004 steps (332 resets) in 168 ms. (236 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40002 steps (65 resets) in 123 ms. (322 steps per ms) remains 4/5 properties
FORMULA CloudReconfiguration-PT-312-ReachabilityFireability-2025-14 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
[2025-05-30 08:32:54] [INFO ] Flow matrix only has 544 transitions (discarded 4 similar events)
// Phase 1: matrix 544 rows 310 cols
[2025-05-30 08:32:54] [INFO ] Computed 3 invariants in 6 ms
[2025-05-30 08:32:54] [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) 0/60 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 195/255 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/255 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 487/742 variables, 255/258 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/742 variables, 3/261 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/742 variables, 0/261 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (OVERLAPS) 62/804 variables, 27/288 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/804 variables, 1/289 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/804 variables, 0/289 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 9 (OVERLAPS) 35/839 variables, 18/307 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/839 variables, 0/307 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 11 (OVERLAPS) 11/850 variables, 7/314 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/850 variables, 0/314 constraints. Problems are: Problem set: 0 solved, 4 unsolved
Problem CloudReconfiguration-PT-312-ReachabilityFireability-2025-08 is UNSAT
FORMULA CloudReconfiguration-PT-312-ReachabilityFireability-2025-08 FALSE TECHNIQUES SMT_REFINEMENT
At refinement iteration 13 (OVERLAPS) 4/854 variables, 3/317 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/854 variables, 0/317 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 15 (OVERLAPS) 0/854 variables, 0/317 constraints. Problems are: Problem set: 1 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 854/854 variables, and 317 constraints, problems are : Problem set: 1 solved, 3 unsolved in 809 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 310/310 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 4/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 solved, 3 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/39 variables, 0/0 constraints. Problems are: Problem set: 1 solved, 3 unsolved
Problem CloudReconfiguration-PT-312-ReachabilityFireability-2025-03 is UNSAT
FORMULA CloudReconfiguration-PT-312-ReachabilityFireability-2025-03 TRUE TECHNIQUES SMT_REFINEMENT
At refinement iteration 1 (OVERLAPS) 212/251 variables, 3/3 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/251 variables, 0/3 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 476/727 variables, 251/254 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/727 variables, 3/257 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/727 variables, 1/258 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/727 variables, 0/258 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 64/791 variables, 24/282 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/791 variables, 1/283 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/791 variables, 1/284 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/791 variables, 0/284 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 43/834 variables, 22/306 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/834 variables, 0/306 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 13 (OVERLAPS) 15/849 variables, 9/315 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/849 variables, 0/315 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 15 (OVERLAPS) 5/854 variables, 4/319 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/854 variables, 0/319 constraints. Problems are: Problem set: 2 solved, 2 unsolved
At refinement iteration 17 (OVERLAPS) 0/854 variables, 0/319 constraints. Problems are: Problem set: 2 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 854/854 variables, and 319 constraints, problems are : Problem set: 2 solved, 2 unsolved in 1205 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 310/310 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2071ms problems are : Problem set: 2 solved, 2 unsolved
FORMULA CloudReconfiguration-PT-312-ReachabilityFireability-2025-05 TRUE TECHNIQUES PARIKH_WALK
Finished Parikh walk after 36 steps, including 1 resets, run visited all 1 properties in 1 ms. (steps per millisecond=36 )
FORMULA CloudReconfiguration-PT-312-ReachabilityFireability-2025-09 TRUE TECHNIQUES PARIKH_WALK
Parikh walk visited 2 properties in 32 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 15787 ms.

BK_STOP 1748593977087

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

+ export BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ ReachabilityFireability = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution ReachabilityFireability -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ sed s/.jar//
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202505121319.jar
++ perl -pe 's/.*\.//g'
+ VERSION=202505121319
+ echo 'Running Version 202505121319'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination ReachabilityFireability -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600

Sequence of Actions to be Executed by the VM

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

set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="CloudReconfiguration-PT-312"
export BK_EXAMINATION="ReachabilityFireability"
export BK_TOOL="itstools"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

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

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5832"
echo " Executing tool itstools"
echo " Input is CloudReconfiguration-PT-312, examination is ReachabilityFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r044-tall-174854028200303"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/CloudReconfiguration-PT-312.tgz
mv CloudReconfiguration-PT-312 execution
cd execution
if [ "ReachabilityFireability" = "ReachabilityDeadlock" ] || [ "ReachabilityFireability" = "UpperBounds" ] || [ "ReachabilityFireability" = "QuasiLiveness" ] || [ "ReachabilityFireability" = "StableMarking" ] || [ "ReachabilityFireability" = "Liveness" ] || [ "ReachabilityFireability" = "OneSafe" ] || [ "ReachabilityFireability" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh

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