Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r044-tall-174854028000215.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2025-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-5832
Executing tool itstools
Input is CloudReconfiguration-PT-301, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r044-tall-174854028000215
=====================================================================

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

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

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

The expected result is a vector of booleans
BOOL_VECTOR

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

=== Now, execution of the tool begins

BK_START 1748582238672

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-301
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityFireability PT
Running Version 202505121319
[2025-05-30 05:17:19] [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 05:17:19] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-05-30 05:17:20] [INFO ] Load time of PNML (sax parser for PT used): 170 ms
[2025-05-30 05:17:20] [INFO ] Transformed 2584 places.
[2025-05-30 05:17:20] [INFO ] Transformed 3094 transitions.
[2025-05-30 05:17:20] [INFO ] Found NUPN structural information;
[2025-05-30 05:17:20] [INFO ] Parsed PT model containing 2584 places and 3094 transitions and 6459 arcs in 279 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 13 ms.
Working with output stream class java.io.PrintStream
RANDOM walk for 40000 steps (311 resets) in 2320 ms. (17 steps per ms) remains 14/16 properties
FORMULA CloudReconfiguration-PT-301-ReachabilityFireability-2025-08 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudReconfiguration-PT-301-ReachabilityFireability-2025-02 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
[2025-05-30 05:17:21] [INFO ] Flatten gal took : 348 ms
BEST_FIRST walk for 40004 steps (81 resets) in 651 ms. (61 steps per ms) remains 14/14 properties
[2025-05-30 05:17:21] [INFO ] Flatten gal took : 222 ms
BEST_FIRST walk for 40004 steps (79 resets) in 325 ms. (122 steps per ms) remains 13/14 properties
FORMULA CloudReconfiguration-PT-301-ReachabilityFireability-2025-06 FALSE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 40003 steps (85 resets) in 195 ms. (204 steps per ms) remains 13/13 properties
[2025-05-30 05:17:21] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality623315978220453477.gal : 116 ms
BEST_FIRST walk for 40003 steps (85 resets) in 193 ms. (206 steps per ms) remains 13/13 properties
[2025-05-30 05:17:21] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality17287023441616526030.prop : 3 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality623315978220453477.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality17287023441616526030.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
BEST_FIRST walk for 40003 steps (88 resets) in 199 ms. (200 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (86 resets) in 244 ms. (163 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40002 steps (79 resets) in 150 ms. (264 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (38 resets) in 125 ms. (317 steps per ms) remains 12/13 properties
FORMULA CloudReconfiguration-PT-301-ReachabilityFireability-2025-07 FALSE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
Loading property file /tmp/ReachabilityCardinality17287023441616526030.prop.
BEST_FIRST walk for 40002 steps (82 resets) in 205 ms. (194 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (83 resets) in 203 ms. (196 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40001 steps (77 resets) in 224 ms. (177 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40002 steps (86 resets) in 156 ms. (254 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40002 steps (83 resets) in 149 ms. (266 steps per ms) remains 12/12 properties
// Phase 1: matrix 3094 rows 2584 cols
[2025-05-30 05:17:22] [INFO ] Computed 4 invariants in 74 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) 0/161 variables, 161/161 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/161 variables, 0/161 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 2 (OVERLAPS) 2413/2574 variables, 4/165 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/2574 variables, 2413/2578 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/2574 variables, 0/2578 constraints. Problems are: Problem set: 0 solved, 12 unsolved
Problem CloudReconfiguration-PT-301-ReachabilityFireability-2025-14 is UNSAT
FORMULA CloudReconfiguration-PT-301-ReachabilityFireability-2025-14 FALSE TECHNIQUES SMT_REFINEMENT
At refinement iteration 5 (OVERLAPS) 3086/5660 variables, 2574/5152 constraints. Problems are: Problem set: 1 solved, 11 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/5660 variables, 0/5152 constraints. Problems are: Problem set: 1 solved, 11 unsolved
At refinement iteration 7 (OVERLAPS) 6/5666 variables, 3/5155 constraints. Problems are: Problem set: 1 solved, 11 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/5666 variables, 3/5158 constraints. Problems are: Problem set: 1 solved, 11 unsolved
SDD proceeding with computation,13 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,13 properties remain. new max is 8
SDD size :5 after 6
SDD proceeding with computation,13 properties remain. new max is 16
SDD size :6 after 7
SDD proceeding with computation,13 properties remain. new max is 32
SDD size :7 after 8
SDD proceeding with computation,13 properties remain. new max is 64
SDD size :8 after 9
SDD proceeding with computation,13 properties remain. new max is 128
SDD size :9 after 10
SDD proceeding with computation,13 properties remain. new max is 256
SDD size :10 after 11
SDD proceeding with computation,13 properties remain. new max is 512
SDD size :11 after 19
SDD proceeding with computation,13 properties remain. new max is 1024
SDD size :19 after 21
At refinement iteration 9 (INCLUDED_ONLY) 0/5666 variables, 0/5158 constraints. Problems are: Problem set: 1 solved, 11 unsolved
SDD proceeding with computation,13 properties remain. new max is 2048
SDD size :21 after 253
At refinement iteration 10 (OVERLAPS) 6/5672 variables, 3/5161 constraints. Problems are: Problem set: 1 solved, 11 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/5672 variables, 3/5164 constraints. Problems are: Problem set: 1 solved, 11 unsolved
SDD proceeding with computation,13 properties remain. new max is 4096
SDD size :253 after 2472
Invariant property CloudReconfiguration-PT-301-ReachabilityFireability-2025-01 does not hold.
FORMULA CloudReconfiguration-PT-301-ReachabilityFireability-2025-01 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
SDD proceeding with computation,12 properties remain. new max is 4096
SDD size :2472 after 6394
At refinement iteration 12 (INCLUDED_ONLY) 0/5672 variables, 0/5164 constraints. Problems are: Problem set: 2 solved, 10 unsolved
SDD proceeding with computation,12 properties remain. new max is 8192
SDD size :6394 after 11562
At refinement iteration 13 (OVERLAPS) 5/5677 variables, 3/5167 constraints. Problems are: Problem set: 2 solved, 10 unsolved
SMT process timed out in 5274ms, After SMT, problems are : Problem set: 2 solved, 10 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 130 out of 2584 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2584/2584 places, 3094/3094 transitions.
Graph (trivial) has 2623 edges and 2584 vertex of which 616 / 2584 are part of one of the 51 SCC in 11 ms
Free SCC test removed 565 places
Drop transitions (Empty/Sink Transition effects.) removed 693 transitions
Reduce isomorphic transitions removed 693 transitions.
Graph (complete) has 2679 edges and 2019 vertex of which 2005 are kept as prefixes of interest. Removing 14 places using SCC suffix rule.5 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 4 transitions
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 6 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1103 transitions
Trivial Post-agglo rules discarded 1103 transitions
Performed 1103 trivial Post agglomeration. Transition count delta: 1103
Iterating post reduction 0 with 1109 rules applied. Total rules applied 1111 place count 2005 transition count 1283
Reduce places removed 1103 places and 0 transitions.
Ensure Unique test removed 50 transitions
Reduce isomorphic transitions removed 50 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 40 transitions
Trivial Post-agglo rules discarded 40 transitions
Performed 40 trivial Post agglomeration. Transition count delta: 40
Iterating post reduction 1 with 1193 rules applied. Total rules applied 2304 place count 902 transition count 1193
Reduce places removed 40 places and 0 transitions.
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 2 transitions
Trivial Post-agglo rules discarded 2 transitions
Performed 2 trivial Post agglomeration. Transition count delta: 2
Iterating post reduction 2 with 44 rules applied. Total rules applied 2348 place count 862 transition count 1189
Reduce places removed 2 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 3 with 4 rules applied. Total rules applied 2352 place count 860 transition count 1187
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 2356 place count 859 transition count 1184
Reduce places removed 2 places and 0 transitions.
Performed 126 Post agglomeration using F-continuation condition.Transition count delta: 126
Iterating post reduction 5 with 128 rules applied. Total rules applied 2484 place count 857 transition count 1058
Reduce places removed 126 places and 0 transitions.
Ensure Unique test removed 18 transitions
Reduce isomorphic transitions removed 18 transitions.
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: 3
Iterating post reduction 6 with 147 rules applied. Total rules applied 2631 place count 731 transition count 1037
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 7 with 3 rules applied. Total rules applied 2634 place count 728 transition count 1037
Performed 30 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 8 with 30 Pre rules applied. Total rules applied 2634 place count 728 transition count 1007
Deduced a syphon composed of 30 places in 1 ms
Reduce places removed 30 places and 0 transitions.
Iterating global reduction 8 with 60 rules applied. Total rules applied 2694 place count 698 transition count 1007
Discarding 85 places :
Symmetric choice reduction at 8 with 85 rule applications. Total rules 2779 place count 613 transition count 922
Iterating global reduction 8 with 85 rules applied. Total rules applied 2864 place count 613 transition count 922
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 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 6 rules applied. Total rules applied 2870 place count 613 transition count 916
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 9 with 2 rules applied. Total rules applied 2872 place count 611 transition count 916
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 10 with 2 Pre rules applied. Total rules applied 2872 place count 611 transition count 914
Deduced a syphon composed of 2 places in 5 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 10 with 4 rules applied. Total rules applied 2876 place count 609 transition count 914
Discarding 49 places :
Symmetric choice reduction at 10 with 49 rule applications. Total rules 2925 place count 560 transition count 865
Iterating global reduction 10 with 49 rules applied. Total rules applied 2974 place count 560 transition count 865
Ensure Unique test removed 13 transitions
Reduce isomorphic transitions removed 13 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 13 transitions
Trivial Post-agglo rules discarded 13 transitions
Performed 13 trivial Post agglomeration. Transition count delta: 13
Iterating post reduction 10 with 26 rules applied. Total rules applied 3000 place count 560 transition count 839
Reduce places removed 13 places and 0 transitions.
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 11 with 17 rules applied. Total rules applied 3017 place count 547 transition count 835
Reduce places removed 1 places and 0 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Iterating post reduction 12 with 3 rules applied. Total rules applied 3020 place count 546 transition count 833
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 13 with 2 rules applied. Total rules applied 3022 place count 544 transition count 833
Discarding 10 places :
Symmetric choice reduction at 14 with 10 rule applications. Total rules 3032 place count 534 transition count 816
Iterating global reduction 14 with 10 rules applied. Total rules applied 3042 place count 534 transition count 816
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 14 with 2 rules applied. Total rules applied 3044 place count 534 transition count 814
Discarding 4 places :
Symmetric choice reduction at 15 with 4 rule applications. Total rules 3048 place count 530 transition count 806
Iterating global reduction 15 with 4 rules applied. Total rules applied 3052 place count 530 transition count 806
Discarding 1 places :
Symmetric choice reduction at 15 with 1 rule applications. Total rules 3053 place count 529 transition count 804
Iterating global reduction 15 with 1 rules applied. Total rules applied 3054 place count 529 transition count 804
Performed 159 Post agglomeration using F-continuation condition with reduction of 30 identical transitions.
Deduced a syphon composed of 159 places in 2 ms
Reduce places removed 159 places and 0 transitions.
Iterating global reduction 15 with 318 rules applied. Total rules applied 3372 place count 370 transition count 615
Ensure Unique test removed 23 transitions
Reduce isomorphic transitions removed 23 transitions.
Iterating post reduction 15 with 23 rules applied. Total rules applied 3395 place count 370 transition count 592
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 16 with 6 rules applied. Total rules applied 3401 place count 367 transition count 589
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 16 with 2 rules applied. Total rules applied 3403 place count 367 transition count 587
Performed 45 Post agglomeration using F-continuation condition with reduction of 7 identical transitions.
Deduced a syphon composed of 45 places in 3 ms
Reduce places removed 45 places and 0 transitions.
Iterating global reduction 17 with 90 rules applied. Total rules applied 3493 place count 322 transition count 643
Ensure Unique test removed 26 transitions
Reduce isomorphic transitions removed 26 transitions.
Iterating post reduction 17 with 26 rules applied. Total rules applied 3519 place count 322 transition count 617
Discarding 12 places :
Symmetric choice reduction at 18 with 12 rule applications. Total rules 3531 place count 310 transition count 589
Iterating global reduction 18 with 12 rules applied. Total rules applied 3543 place count 310 transition count 589
Drop transitions (Redundant composition of simpler transitions.) removed 31 transitions
Redundant transition composition rules discarded 31 transitions
Iterating global reduction 18 with 31 rules applied. Total rules applied 3574 place count 310 transition count 558
Discarding 1 places :
Symmetric choice reduction at 18 with 1 rule applications. Total rules 3575 place count 309 transition count 557
Iterating global reduction 18 with 1 rules applied. Total rules applied 3576 place count 309 transition count 557
Free-agglomeration rule applied 22 times.
Iterating global reduction 18 with 22 rules applied. Total rules applied 3598 place count 309 transition count 535
Reduce places removed 22 places and 0 transitions.
Iterating post reduction 18 with 22 rules applied. Total rules applied 3620 place count 287 transition count 535
Drop transitions (Redundant composition of simpler transitions.) removed 5 transitions
Redundant transition composition rules discarded 5 transitions
Iterating global reduction 19 with 5 rules applied. Total rules applied 3625 place count 287 transition count 530
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 19 with 1 rules applied. Total rules applied 3626 place count 287 transition count 529
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 19 with 1 rules applied. Total rules applied 3627 place count 286 transition count 529
Partial Free-agglomeration rule applied 25 times.
Drop transitions (Partial Free agglomeration) removed 25 transitions
Iterating global reduction 20 with 25 rules applied. Total rules applied 3652 place count 286 transition count 529
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 20 with 1 rules applied. Total rules applied 3653 place count 286 transition count 528
Partial Post-agglomeration rule applied 3 times.
Drop transitions (Partial Post agglomeration) removed 3 transitions
Iterating global reduction 20 with 3 rules applied. Total rules applied 3656 place count 286 transition count 528
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 20 with 1 rules applied. Total rules applied 3657 place count 286 transition count 527
Applied a total of 3657 rules in 608 ms. Remains 286 /2584 variables (removed 2298) and now considering 527/3094 (removed 2567) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 617 ms. Remains : 286/2584 places, 527/3094 transitions.
RANDOM walk for 40000 steps (1873 resets) in 610 ms. (65 steps per ms) remains 6/10 properties
FORMULA CloudReconfiguration-PT-301-ReachabilityFireability-2025-15 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudReconfiguration-PT-301-ReachabilityFireability-2025-11 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudReconfiguration-PT-301-ReachabilityFireability-2025-09 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudReconfiguration-PT-301-ReachabilityFireability-2025-04 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 40004 steps (414 resets) in 130 ms. (305 steps per ms) remains 5/6 properties
FORMULA CloudReconfiguration-PT-301-ReachabilityFireability-2025-05 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 40004 steps (402 resets) in 101 ms. (392 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40004 steps (240 resets) in 146 ms. (272 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40003 steps (406 resets) in 76 ms. (519 steps per ms) remains 4/5 properties
FORMULA CloudReconfiguration-PT-301-ReachabilityFireability-2025-12 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 40003 steps (383 resets) in 131 ms. (303 steps per ms) remains 3/4 properties
FORMULA CloudReconfiguration-PT-301-ReachabilityFireability-2025-10 FALSE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
[2025-05-30 05:17:28] [INFO ] Flow matrix only has 522 transitions (discarded 5 similar events)
// Phase 1: matrix 522 rows 286 cols
[2025-05-30 05:17:28] [INFO ] Computed 3 invariants in 2 ms
[2025-05-30 05:17:28] [INFO ] State equation strengthened by 4 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
SDD proceeding with computation,12 properties remain. new max is 16384
SDD size :11562 after 65269
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/53 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 193/246 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/246 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 479/725 variables, 246/249 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/725 variables, 3/252 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/725 variables, 0/252 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (OVERLAPS) 47/772 variables, 20/272 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/772 variables, 1/273 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/772 variables, 0/273 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (OVERLAPS) 30/802 variables, 14/287 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/802 variables, 0/287 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 11 (OVERLAPS) 6/808 variables, 6/293 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/808 variables, 0/293 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 13 (OVERLAPS) 0/808 variables, 0/293 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 808/808 variables, and 293 constraints, problems are : Problem set: 0 solved, 3 unsolved in 580 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 286/286 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 3/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/53 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
Problem CloudReconfiguration-PT-301-ReachabilityFireability-2025-13 is UNSAT
FORMULA CloudReconfiguration-PT-301-ReachabilityFireability-2025-13 TRUE TECHNIQUES SMT_REFINEMENT
At refinement iteration 1 (OVERLAPS) 193/246 variables, 3/3 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/246 variables, 0/3 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 479/725 variables, 246/249 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/725 variables, 3/252 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/725 variables, 0/252 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 47/772 variables, 20/272 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/772 variables, 1/273 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/772 variables, 2/275 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/772 variables, 0/275 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 10 (OVERLAPS) 30/802 variables, 14/289 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/802 variables, 0/289 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 12 (OVERLAPS) 6/808 variables, 6/295 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/808 variables, 0/295 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 14 (OVERLAPS) 0/808 variables, 0/295 constraints. Problems are: Problem set: 1 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 808/808 variables, and 295 constraints, problems are : Problem set: 1 solved, 2 unsolved in 761 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 286/286 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 3/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1367ms problems are : Problem set: 1 solved, 2 unsolved
FORMULA CloudReconfiguration-PT-301-ReachabilityFireability-2025-00 TRUE TECHNIQUES PARIKH_WALK
Parikh walk visited 1 properties in 25 ms.
Support contains 4 out of 286 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 286/286 places, 527/527 transitions.
Graph (trivial) has 367 edges and 286 vertex of which 80 / 286 are part of one of the 31 SCC in 0 ms
Free SCC test removed 49 places
Drop transitions (Empty/Sink Transition effects.) removed 90 transitions
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 94 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 69 transitions
Trivial Post-agglo rules discarded 69 transitions
Performed 69 trivial Post agglomeration. Transition count delta: 69
Iterating post reduction 0 with 69 rules applied. Total rules applied 70 place count 237 transition count 364
Reduce places removed 69 places and 0 transitions.
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 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 1 with 79 rules applied. Total rules applied 149 place count 168 transition count 354
Reduce places removed 2 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 5 rules applied. Total rules applied 154 place count 166 transition count 351
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 155 place count 165 transition count 351
Performed 9 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 9 Pre rules applied. Total rules applied 155 place count 165 transition count 342
Deduced a syphon composed of 9 places in 1 ms
Reduce places removed 9 places and 0 transitions.
Iterating global reduction 4 with 18 rules applied. Total rules applied 173 place count 156 transition count 342
Discarding 17 places :
Symmetric choice reduction at 4 with 17 rule applications. Total rules 190 place count 139 transition count 314
Iterating global reduction 4 with 17 rules applied. Total rules applied 207 place count 139 transition count 314
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 4 with 1 rules applied. Total rules applied 208 place count 139 transition count 313
Discarding 4 places :
Symmetric choice reduction at 5 with 4 rule applications. Total rules 212 place count 135 transition count 306
Iterating global reduction 5 with 4 rules applied. Total rules applied 216 place count 135 transition count 306
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 5 with 4 rules applied. Total rules applied 220 place count 135 transition count 302
Performed 40 Post agglomeration using F-continuation condition with reduction of 20 identical transitions.
Deduced a syphon composed of 40 places in 0 ms
Reduce places removed 40 places and 0 transitions.
Iterating global reduction 6 with 80 rules applied. Total rules applied 300 place count 95 transition count 242
Drop transitions (Empty/Sink Transition effects.) removed 7 transitions
Ensure Unique test removed 23 transitions
Reduce isomorphic transitions removed 30 transitions.
Iterating post reduction 6 with 30 rules applied. Total rules applied 330 place count 95 transition count 212
Discarding 4 places :
Symmetric choice reduction at 7 with 4 rule applications. Total rules 334 place count 91 transition count 207
Iterating global reduction 7 with 4 rules applied. Total rules applied 338 place count 91 transition count 207
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 7 with 2 rules applied. Total rules applied 340 place count 91 transition count 205
Discarding 2 places :
Symmetric choice reduction at 8 with 2 rule applications. Total rules 342 place count 89 transition count 202
Iterating global reduction 8 with 2 rules applied. Total rules applied 344 place count 89 transition count 202
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 8 with 2 rules applied. Total rules applied 346 place count 89 transition count 200
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: 3
Deduced a syphon composed of 3 places in 0 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 9 with 6 rules applied. Total rules applied 352 place count 86 transition count 197
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 9 with 5 rules applied. Total rules applied 357 place count 86 transition count 192
Discarding 1 places :
Symmetric choice reduction at 10 with 1 rule applications. Total rules 358 place count 85 transition count 191
Iterating global reduction 10 with 1 rules applied. Total rules applied 359 place count 85 transition count 191
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 10 with 1 rules applied. Total rules applied 360 place count 85 transition count 190
Performed 13 Post agglomeration using F-continuation condition with reduction of 3 identical transitions.
Deduced a syphon composed of 13 places in 0 ms
Reduce places removed 13 places and 0 transitions.
Iterating global reduction 11 with 26 rules applied. Total rules applied 386 place count 72 transition count 218
Drop transitions (Empty/Sink Transition effects.) removed 7 transitions
Ensure Unique test removed 26 transitions
Reduce isomorphic transitions removed 33 transitions.
Iterating post reduction 11 with 33 rules applied. Total rules applied 419 place count 72 transition count 185
Discarding 10 places :
Symmetric choice reduction at 12 with 10 rule applications. Total rules 429 place count 62 transition count 158
Iterating global reduction 12 with 10 rules applied. Total rules applied 439 place count 62 transition count 158
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 12 with 3 rules applied. Total rules applied 442 place count 62 transition count 155
Discarding 3 places :
Symmetric choice reduction at 13 with 3 rule applications. Total rules 445 place count 59 transition count 152
Iterating global reduction 13 with 3 rules applied. Total rules applied 448 place count 59 transition count 152
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 13 with 7 rules applied. Total rules applied 455 place count 59 transition count 145
Drop transitions (Redundant composition of simpler transitions.) removed 27 transitions
Redundant transition composition rules discarded 27 transitions
Iterating global reduction 14 with 27 rules applied. Total rules applied 482 place count 59 transition count 118
Discarding 3 places :
Symmetric choice reduction at 14 with 3 rule applications. Total rules 485 place count 56 transition count 112
Iterating global reduction 14 with 3 rules applied. Total rules applied 488 place count 56 transition count 112
Discarding 1 places :
Symmetric choice reduction at 14 with 1 rule applications. Total rules 489 place count 55 transition count 111
Iterating global reduction 14 with 1 rules applied. Total rules applied 490 place count 55 transition count 111
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 14 with 2 rules applied. Total rules applied 492 place count 55 transition count 109
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 15 with 4 rules applied. Total rules applied 496 place count 53 transition count 107
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 15 with 1 rules applied. Total rules applied 497 place count 53 transition count 106
Free-agglomeration rule applied 8 times.
Iterating global reduction 15 with 8 rules applied. Total rules applied 505 place count 53 transition count 98
Reduce places removed 8 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 15 with 13 rules applied. Total rules applied 518 place count 45 transition count 93
Drop transitions (Redundant composition of simpler transitions.) removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 16 with 2 rules applied. Total rules applied 520 place count 45 transition count 91
Partial Free-agglomeration rule applied 3 times.
Drop transitions (Partial Free agglomeration) removed 3 transitions
Iterating global reduction 16 with 3 rules applied. Total rules applied 523 place count 45 transition count 91
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 16 with 1 rules applied. Total rules applied 524 place count 45 transition count 90
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 16 with 1 rules applied. Total rules applied 525 place count 44 transition count 89
Applied a total of 525 rules in 75 ms. Remains 44 /286 variables (removed 242) and now considering 89/527 (removed 438) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 76 ms. Remains : 44/286 places, 89/527 transitions.
RANDOM walk for 26773 steps (6 resets) in 88 ms. (300 steps per ms) remains 0/1 properties
FORMULA CloudReconfiguration-PT-301-ReachabilityFireability-2025-03 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
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 9994 ms.

BK_STOP 1748582249966

--------------------
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-301"
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-301, 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-174854028000215"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/CloudReconfiguration-PT-301.tgz
mv CloudReconfiguration-PT-301 execution
cd execution
if [ "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 ;