Execution Chart

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Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r044-tall-174854028300351.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-319, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r044-tall-174854028300351
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.1M
-rw-r--r-- 1 mcc users 6.7K 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 5.5K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 46K 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 4.1K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 30K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.6K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 22K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 9.5K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 96K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 6.7K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 51K 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-319-ReachabilityFireability-2025-00
FORMULA_NAME CloudReconfiguration-PT-319-ReachabilityFireability-2025-01
FORMULA_NAME CloudReconfiguration-PT-319-ReachabilityFireability-2025-02
FORMULA_NAME CloudReconfiguration-PT-319-ReachabilityFireability-2025-03
FORMULA_NAME CloudReconfiguration-PT-319-ReachabilityFireability-2025-04
FORMULA_NAME CloudReconfiguration-PT-319-ReachabilityFireability-2025-05
FORMULA_NAME CloudReconfiguration-PT-319-ReachabilityFireability-2025-06
FORMULA_NAME CloudReconfiguration-PT-319-ReachabilityFireability-2025-07
FORMULA_NAME CloudReconfiguration-PT-319-ReachabilityFireability-2025-08
FORMULA_NAME CloudReconfiguration-PT-319-ReachabilityFireability-2025-09
FORMULA_NAME CloudReconfiguration-PT-319-ReachabilityFireability-2025-10
FORMULA_NAME CloudReconfiguration-PT-319-ReachabilityFireability-2025-11
FORMULA_NAME CloudReconfiguration-PT-319-ReachabilityFireability-2025-12
FORMULA_NAME CloudReconfiguration-PT-319-ReachabilityFireability-2025-13
FORMULA_NAME CloudReconfiguration-PT-319-ReachabilityFireability-2025-14
FORMULA_NAME CloudReconfiguration-PT-319-ReachabilityFireability-2025-15

=== Now, execution of the tool begins

BK_START 1748600350764

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-319
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityFireability PT
Running Version 202505121319
[2025-05-30 10:19:11] [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 10:19:11] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-05-30 10:19:12] [INFO ] Load time of PNML (sax parser for PT used): 142 ms
[2025-05-30 10:19:12] [INFO ] Transformed 2587 places.
[2025-05-30 10:19:12] [INFO ] Transformed 3099 transitions.
[2025-05-30 10:19:12] [INFO ] Found NUPN structural information;
[2025-05-30 10:19:12] [INFO ] Parsed PT model containing 2587 places and 3099 transitions and 6479 arcs in 241 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 12 ms.
Working with output stream class java.io.PrintStream
RANDOM walk for 40000 steps (475 resets) in 2232 ms. (17 steps per ms) remains 15/16 properties
FORMULA CloudReconfiguration-PT-319-ReachabilityFireability-2025-00 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 4003 steps (20 resets) in 85 ms. (46 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4002 steps (18 resets) in 69 ms. (57 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4003 steps (14 resets) in 41 ms. (95 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4003 steps (18 resets) in 116 ms. (34 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4003 steps (18 resets) in 40 ms. (97 steps per ms) remains 14/15 properties
FORMULA CloudReconfiguration-PT-319-ReachabilityFireability-2025-06 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 4004 steps (10 resets) in 31 ms. (125 steps per ms) remains 14/14 properties
BEST_FIRST walk for 4004 steps (17 resets) in 36 ms. (108 steps per ms) remains 14/14 properties
BEST_FIRST walk for 4003 steps (16 resets) in 42 ms. (93 steps per ms) remains 14/14 properties
BEST_FIRST walk for 4002 steps (16 resets) in 30 ms. (129 steps per ms) remains 14/14 properties
BEST_FIRST walk for 4002 steps (17 resets) in 27 ms. (142 steps per ms) remains 14/14 properties
BEST_FIRST walk for 4004 steps (16 resets) in 16 ms. (235 steps per ms) remains 14/14 properties
BEST_FIRST walk for 4002 steps (20 resets) in 33 ms. (117 steps per ms) remains 14/14 properties
BEST_FIRST walk for 4004 steps (10 resets) in 11 ms. (333 steps per ms) remains 14/14 properties
BEST_FIRST walk for 4003 steps (17 resets) in 56 ms. (70 steps per ms) remains 14/14 properties
[2025-05-30 10:19:13] [INFO ] Flatten gal took : 349 ms
// Phase 1: matrix 3099 rows 2587 cols
[2025-05-30 10:19:13] [INFO ] Computed 4 invariants in 44 ms
[2025-05-30 10:19:13] [INFO ] Flatten gal took : 117 ms
Excessive predecessor constraint size, skipping predecessor.
[2025-05-30 10:19:13] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality1840421184188847658.gal : 82 ms
[2025-05-30 10:19:13] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality11553894061846442550.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/ReachabilityCardinality1840421184188847658.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality11553894061846442550.prop' '--nowitness' '--gen-order' 'FOLLOW'
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms

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
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/136 variables, 136/136 constraints. Problems are: Problem set: 0 solved, 14 unsolved
Loading property file /tmp/ReachabilityCardinality11553894061846442550.prop.
At refinement iteration 1 (INCLUDED_ONLY) 0/136 variables, 0/136 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 2 (OVERLAPS) 2441/2577 variables, 4/140 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/2577 variables, 2441/2581 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/2577 variables, 0/2581 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 5 (OVERLAPS) 3091/5668 variables, 2577/5158 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/5668 variables, 0/5158 constraints. Problems are: Problem set: 0 solved, 14 unsolved
SDD proceeding with computation,14 properties remain. new max is 4
SDD size :1 after 2
SDD proceeding with computation,14 properties remain. new max is 8
SDD size :2 after 3
SDD proceeding with computation,14 properties remain. new max is 16
SDD size :3 after 4
At refinement iteration 7 (OVERLAPS) 6/5674 variables, 3/5161 constraints. Problems are: Problem set: 0 solved, 14 unsolved
SDD proceeding with computation,14 properties remain. new max is 32
SDD size :4 after 5
SDD proceeding with computation,14 properties remain. new max is 64
SDD size :5 after 6
SDD proceeding with computation,14 properties remain. new max is 128
SDD size :6 after 7
SDD proceeding with computation,14 properties remain. new max is 256
SDD size :7 after 9
SDD proceeding with computation,14 properties remain. new max is 512
SDD size :9 after 11
SDD proceeding with computation,14 properties remain. new max is 1024
SDD size :11 after 19
At refinement iteration 8 (INCLUDED_ONLY) 0/5674 variables, 3/5164 constraints. Problems are: Problem set: 0 solved, 14 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 5674/5686 variables, and 5164 constraints, problems are : Problem set: 0 solved, 14 unsolved in 5059 ms.
SDD proceeding with computation,14 properties remain. new max is 2048
SDD size :19 after 332
Refiners :[Domain max(s): 2580/2587 constraints, Generalized P Invariants (flows): 4/4 constraints, State Equation: 2580/2587 constraints, PredecessorRefiner: 14/13 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 14 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/136 variables, 136/136 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/136 variables, 0/136 constraints. Problems are: Problem set: 0 solved, 14 unsolved
SDD proceeding with computation,14 properties remain. new max is 4096
SDD size :332 after 2779
At refinement iteration 2 (OVERLAPS) 2441/2577 variables, 4/140 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/2577 variables, 2441/2581 constraints. Problems are: Problem set: 0 solved, 14 unsolved
Reachability property CloudReconfiguration-PT-319-ReachabilityFireability-2025-04 is true.
FORMULA CloudReconfiguration-PT-319-ReachabilityFireability-2025-04 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
Invariant property CloudReconfiguration-PT-319-ReachabilityFireability-2025-01 does not hold.
FORMULA CloudReconfiguration-PT-319-ReachabilityFireability-2025-01 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
SDD proceeding with computation,12 properties remain. new max is 4096
SDD size :2779 after 14894
SDD proceeding with computation,12 properties remain. new max is 8192
SDD size :14894 after 63515
At refinement iteration 4 (INCLUDED_ONLY) 0/2577 variables, 0/2581 constraints. Problems are: Problem set: 2 solved, 12 unsolved
Reachability property CloudReconfiguration-PT-319-ReachabilityFireability-2025-10 is true.
FORMULA CloudReconfiguration-PT-319-ReachabilityFireability-2025-10 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
Reachability property CloudReconfiguration-PT-319-ReachabilityFireability-2025-09 is true.
FORMULA CloudReconfiguration-PT-319-ReachabilityFireability-2025-09 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
Reachability property CloudReconfiguration-PT-319-ReachabilityFireability-2025-08 is true.
FORMULA CloudReconfiguration-PT-319-ReachabilityFireability-2025-08 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
Reachability property CloudReconfiguration-PT-319-ReachabilityFireability-2025-02 is true.
FORMULA CloudReconfiguration-PT-319-ReachabilityFireability-2025-02 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
SDD proceeding with computation,8 properties remain. new max is 8192
SDD size :63515 after 92689
SDD proceeding with computation,8 properties remain. new max is 16384
SDD size :92689 after 1.31062e+06
At refinement iteration 5 (OVERLAPS) 3091/5668 variables, 2577/5158 constraints. Problems are: Problem set: 6 solved, 8 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/5668 variables, 7/5165 constraints. Problems are: Problem set: 6 solved, 8 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 5668/5686 variables, and 5165 constraints, problems are : Problem set: 6 solved, 8 unsolved in 5023 ms.
Refiners :[Domain max(s): 2577/2587 constraints, Generalized P Invariants (flows): 4/4 constraints, State Equation: 2577/2587 constraints, PredecessorRefiner: 8/13 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 10254ms problems are : Problem set: 6 solved, 8 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 95 out of 2587 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2587/2587 places, 3099/3099 transitions.
Graph (trivial) has 2664 edges and 2587 vertex of which 600 / 2587 are part of one of the 50 SCC in 10 ms
Free SCC test removed 550 places
Drop transitions (Empty/Sink Transition effects.) removed 675 transitions
Reduce isomorphic transitions removed 675 transitions.
Graph (complete) has 2710 edges and 2037 vertex of which 2023 are kept as prefixes of interest. Removing 14 places using SCC suffix rule.7 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 6 transitions
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 8 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1147 transitions
Trivial Post-agglo rules discarded 1147 transitions
Performed 1147 trivial Post agglomeration. Transition count delta: 1147
Iterating post reduction 0 with 1155 rules applied. Total rules applied 1157 place count 2023 transition count 1260
Reduce places removed 1147 places and 0 transitions.
Ensure Unique test removed 60 transitions
Reduce isomorphic transitions removed 60 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 45 transitions
Trivial Post-agglo rules discarded 45 transitions
Performed 45 trivial Post agglomeration. Transition count delta: 45
Iterating post reduction 1 with 1252 rules applied. Total rules applied 2409 place count 876 transition count 1155
Reduce places removed 45 places and 0 transitions.
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 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 50 rules applied. Total rules applied 2459 place count 831 transition count 1150
Reduce places removed 1 places and 0 transitions.
Performed 97 Post agglomeration using F-continuation condition.Transition count delta: 97
Iterating post reduction 3 with 98 rules applied. Total rules applied 2557 place count 830 transition count 1053
Reduce places removed 97 places and 0 transitions.
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: 3
Iterating post reduction 4 with 106 rules applied. Total rules applied 2663 place count 733 transition count 1044
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 5 with 3 rules applied. Total rules applied 2666 place count 730 transition count 1044
Performed 40 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 6 with 40 Pre rules applied. Total rules applied 2666 place count 730 transition count 1004
Deduced a syphon composed of 40 places in 1 ms
Reduce places removed 40 places and 0 transitions.
Iterating global reduction 6 with 80 rules applied. Total rules applied 2746 place count 690 transition count 1004
Discarding 114 places :
Symmetric choice reduction at 6 with 114 rule applications. Total rules 2860 place count 576 transition count 890
Iterating global reduction 6 with 114 rules applied. Total rules applied 2974 place count 576 transition count 890
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 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 6 with 5 rules applied. Total rules applied 2979 place count 576 transition count 885
Reduce places removed 1 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 7 with 2 rules applied. Total rules applied 2981 place count 575 transition count 884
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 8 with 1 rules applied. Total rules applied 2982 place count 574 transition count 884
Performed 6 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 9 with 6 Pre rules applied. Total rules applied 2982 place count 574 transition count 878
Deduced a syphon composed of 6 places in 2 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 9 with 12 rules applied. Total rules applied 2994 place count 568 transition count 878
Discarding 54 places :
Symmetric choice reduction at 9 with 54 rule applications. Total rules 3048 place count 514 transition count 824
Iterating global reduction 9 with 54 rules applied. Total rules applied 3102 place count 514 transition count 824
Ensure Unique test removed 13 transitions
Reduce isomorphic transitions removed 13 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 12 transitions
Trivial Post-agglo rules discarded 12 transitions
Performed 12 trivial Post agglomeration. Transition count delta: 12
Iterating post reduction 9 with 25 rules applied. Total rules applied 3127 place count 514 transition count 799
Reduce places removed 12 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 10 with 18 rules applied. Total rules applied 3145 place count 502 transition count 793
Reduce places removed 3 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 11 with 4 rules applied. Total rules applied 3149 place count 499 transition count 792
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 12 with 1 rules applied. Total rules applied 3150 place count 498 transition count 792
Discarding 9 places :
Symmetric choice reduction at 13 with 9 rule applications. Total rules 3159 place count 489 transition count 778
Iterating global reduction 13 with 9 rules applied. Total rules applied 3168 place count 489 transition count 778
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 13 with 3 rules applied. Total rules applied 3171 place count 489 transition count 775
Discarding 3 places :
Symmetric choice reduction at 14 with 3 rule applications. Total rules 3174 place count 486 transition count 769
Iterating global reduction 14 with 3 rules applied. Total rules applied 3177 place count 486 transition count 769
Discarding 2 places :
Symmetric choice reduction at 14 with 2 rule applications. Total rules 3179 place count 484 transition count 765
Iterating global reduction 14 with 2 rules applied. Total rules applied 3181 place count 484 transition count 765
Performed 173 Post agglomeration using F-continuation condition with reduction of 58 identical transitions.
Deduced a syphon composed of 173 places in 1 ms
Reduce places removed 173 places and 0 transitions.
Iterating global reduction 14 with 346 rules applied. Total rules applied 3527 place count 311 transition count 534
Ensure Unique test removed 9 transitions
Reduce isomorphic transitions removed 9 transitions.
Iterating post reduction 14 with 9 rules applied. Total rules applied 3536 place count 311 transition count 525
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: 3
Deduced a syphon composed of 3 places in 2 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 15 with 6 rules applied. Total rules applied 3542 place count 308 transition count 522
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 15 with 6 rules applied. Total rules applied 3548 place count 308 transition count 516
Performed 42 Post agglomeration using F-continuation condition with reduction of 6 identical transitions.
Deduced a syphon composed of 42 places in 2 ms
Reduce places removed 42 places and 0 transitions.
Iterating global reduction 16 with 84 rules applied. Total rules applied 3632 place count 266 transition count 543
Ensure Unique test removed 38 transitions
Reduce isomorphic transitions removed 38 transitions.
Iterating post reduction 16 with 38 rules applied. Total rules applied 3670 place count 266 transition count 505
Discarding 11 places :
Symmetric choice reduction at 17 with 11 rule applications. Total rules 3681 place count 255 transition count 480
Iterating global reduction 17 with 11 rules applied. Total rules applied 3692 place count 255 transition count 480
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -19
Deduced a syphon composed of 1 places in 2 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 17 with 2 rules applied. Total rules applied 3694 place count 254 transition count 499
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 17 with 1 rules applied. Total rules applied 3695 place count 254 transition count 498
Drop transitions (Redundant composition of simpler transitions.) removed 29 transitions
Redundant transition composition rules discarded 29 transitions
Iterating global reduction 18 with 29 rules applied. Total rules applied 3724 place count 254 transition count 469
Free-agglomeration rule applied 11 times.
Iterating global reduction 18 with 11 rules applied. Total rules applied 3735 place count 254 transition count 458
Reduce places removed 11 places and 0 transitions.
Iterating post reduction 18 with 11 rules applied. Total rules applied 3746 place count 243 transition count 458
Partial Free-agglomeration rule applied 8 times.
Drop transitions (Partial Free agglomeration) removed 8 transitions
Iterating global reduction 19 with 8 rules applied. Total rules applied 3754 place count 243 transition count 458
Partial Post-agglomeration rule applied 1 times.
Drop transitions (Partial Post agglomeration) removed 1 transitions
Iterating global reduction 19 with 1 rules applied. Total rules applied 3755 place count 243 transition count 458
Applied a total of 3755 rules in 397 ms. Remains 243 /2587 variables (removed 2344) and now considering 458/3099 (removed 2641) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 402 ms. Remains : 243/2587 places, 458/3099 transitions.
RANDOM walk for 40000 steps (4038 resets) in 787 ms. (50 steps per ms) remains 2/8 properties
FORMULA CloudReconfiguration-PT-319-ReachabilityFireability-2025-14 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudReconfiguration-PT-319-ReachabilityFireability-2025-13 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudReconfiguration-PT-319-ReachabilityFireability-2025-11 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudReconfiguration-PT-319-ReachabilityFireability-2025-07 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudReconfiguration-PT-319-ReachabilityFireability-2025-05 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudReconfiguration-PT-319-ReachabilityFireability-2025-03 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 40003 steps (1158 resets) in 128 ms. (310 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (1147 resets) in 210 ms. (189 steps per ms) remains 2/2 properties
[2025-05-30 10:19:24] [INFO ] Flow matrix only has 451 transitions (discarded 7 similar events)
// Phase 1: matrix 451 rows 243 cols
[2025-05-30 10:19:24] [INFO ] Computed 3 invariants in 2 ms
[2025-05-30 10:19:24] [INFO ] State equation strengthened by 6 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) 0/79 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Problem CloudReconfiguration-PT-319-ReachabilityFireability-2025-15 is UNSAT
FORMULA CloudReconfiguration-PT-319-ReachabilityFireability-2025-15 FALSE TECHNIQUES SMT_REFINEMENT
At refinement iteration 1 (OVERLAPS) 131/210 variables, 3/3 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/210 variables, 0/3 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 438/648 variables, 210/213 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/648 variables, 3/216 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/648 variables, 0/216 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 39/687 variables, 28/244 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/687 variables, 3/247 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/687 variables, 0/247 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 6/693 variables, 4/251 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/693 variables, 0/251 constraints. Problems are: Problem set: 1 solved, 1 unsolved
Problem CloudReconfiguration-PT-319-ReachabilityFireability-2025-12 is UNSAT
FORMULA CloudReconfiguration-PT-319-ReachabilityFireability-2025-12 FALSE TECHNIQUES SMT_REFINEMENT
After SMT solving in domain Real declared 694/694 variables, and 252 constraints, problems are : Problem set: 2 solved, 0 unsolved in 146 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 243/243 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 2/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 167ms problems are : Problem set: 2 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
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 12539 ms.

BK_STOP 1748600364568

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

+ export BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ ReachabilityFireability = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution ReachabilityFireability -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202505121319.jar
+ 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-319"
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-319, 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-174854028300351"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/CloudReconfiguration-PT-319.tgz
mv CloudReconfiguration-PT-319 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 ;