Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r044-tall-174854028200311.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-313, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r044-tall-174854028200311
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.1M
-rw-r--r-- 1 mcc users 7.0K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 71K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 8.0K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 75K 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 2.5K 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 13K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 129K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 6.0K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 42K 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-313-ReachabilityFireability-2025-00
FORMULA_NAME CloudReconfiguration-PT-313-ReachabilityFireability-2025-01
FORMULA_NAME CloudReconfiguration-PT-313-ReachabilityFireability-2025-02
FORMULA_NAME CloudReconfiguration-PT-313-ReachabilityFireability-2025-03
FORMULA_NAME CloudReconfiguration-PT-313-ReachabilityFireability-2025-04
FORMULA_NAME CloudReconfiguration-PT-313-ReachabilityFireability-2025-05
FORMULA_NAME CloudReconfiguration-PT-313-ReachabilityFireability-2025-06
FORMULA_NAME CloudReconfiguration-PT-313-ReachabilityFireability-2025-07
FORMULA_NAME CloudReconfiguration-PT-313-ReachabilityFireability-2025-08
FORMULA_NAME CloudReconfiguration-PT-313-ReachabilityFireability-2025-09
FORMULA_NAME CloudReconfiguration-PT-313-ReachabilityFireability-2025-10
FORMULA_NAME CloudReconfiguration-PT-313-ReachabilityFireability-2025-11
FORMULA_NAME CloudReconfiguration-PT-313-ReachabilityFireability-2025-12
FORMULA_NAME CloudReconfiguration-PT-313-ReachabilityFireability-2025-13
FORMULA_NAME CloudReconfiguration-PT-313-ReachabilityFireability-2025-14
FORMULA_NAME CloudReconfiguration-PT-313-ReachabilityFireability-2025-15

=== Now, execution of the tool begins

BK_START 1748595216754

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-313
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityFireability PT
Running Version 202505121319
[2025-05-30 08:53:37] [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 08:53:37] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-05-30 08:53:38] [INFO ] Load time of PNML (sax parser for PT used): 147 ms
[2025-05-30 08:53:38] [INFO ] Transformed 2585 places.
[2025-05-30 08:53:38] [INFO ] Transformed 3095 transitions.
[2025-05-30 08:53:38] [INFO ] Found NUPN structural information;
[2025-05-30 08:53:38] [INFO ] Parsed PT model containing 2585 places and 3095 transitions and 6463 arcs in 250 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 (290 resets) in 2428 ms. (16 steps per ms) remains 13/16 properties
FORMULA CloudReconfiguration-PT-313-ReachabilityFireability-2025-11 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudReconfiguration-PT-313-ReachabilityFireability-2025-03 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudReconfiguration-PT-313-ReachabilityFireability-2025-02 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
[2025-05-30 08:53:39] [INFO ] Flatten gal took : 454 ms
BEST_FIRST walk for 40004 steps (80 resets) in 432 ms. (92 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40003 steps (79 resets) in 244 ms. (163 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40002 steps (79 resets) in 181 ms. (219 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40002 steps (79 resets) in 187 ms. (212 steps per ms) remains 13/13 properties
[2025-05-30 08:53:39] [INFO ] Flatten gal took : 249 ms
BEST_FIRST walk for 40004 steps (75 resets) in 180 ms. (221 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40003 steps (80 resets) in 260 ms. (153 steps per ms) remains 12/13 properties
FORMULA CloudReconfiguration-PT-313-ReachabilityFireability-2025-09 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
[2025-05-30 08:53:39] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality5459251672305021957.gal : 100 ms
[2025-05-30 08:53:39] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality279382604228466758.prop : 5 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/ReachabilityCardinality5459251672305021957.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality279382604228466758.prop' '--nowitness' '--gen-order' 'FOLLOW'
BEST_FIRST walk for 40003 steps (75 resets) in 364 ms. (109 steps per ms) remains 12/12 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 ...327
BEST_FIRST walk for 40004 steps (78 resets) in 141 ms. (281 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40003 steps (79 resets) in 166 ms. (239 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40003 steps (73 resets) in 168 ms. (236 steps per ms) remains 11/12 properties
FORMULA CloudReconfiguration-PT-313-ReachabilityFireability-2025-08 FALSE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 40003 steps (77 resets) in 152 ms. (261 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40004 steps (85 resets) in 160 ms. (248 steps per ms) remains 11/11 properties
Loading property file /tmp/ReachabilityCardinality279382604228466758.prop.
// Phase 1: matrix 3095 rows 2585 cols
[2025-05-30 08:53:40] [INFO ] Computed 4 invariants in 44 ms
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) 0/47 variables, 47/47 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/47 variables, 0/47 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 2 (OVERLAPS) 2528/2575 variables, 4/51 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/2575 variables, 2528/2579 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
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) 6/5674 variables, 3/5163 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/5674 variables, 3/5166 constraints. Problems are: Problem set: 0 solved, 11 unsolved
SDD proceeding with computation,12 properties remain. new max is 4
SDD size :1 after 2
SDD proceeding with computation,12 properties remain. new max is 8
SDD size :2 after 3
SDD proceeding with computation,12 properties remain. new max is 16
SDD size :3 after 4
SDD proceeding with computation,12 properties remain. new max is 32
SDD size :4 after 5
SDD proceeding with computation,12 properties remain. new max is 64
SDD size :5 after 6
SDD proceeding with computation,12 properties remain. new max is 128
SDD size :6 after 7
SDD proceeding with computation,12 properties remain. new max is 256
SDD size :7 after 9
SDD proceeding with computation,12 properties remain. new max is 512
SDD size :9 after 12
SDD proceeding with computation,12 properties remain. new max is 1024
SDD size :12 after 27
SDD proceeding with computation,12 properties remain. new max is 2048
SDD size :27 after 654
At refinement iteration 12 (INCLUDED_ONLY) 0/5674 variables, 0/5166 constraints. Problems are: Problem set: 0 solved, 11 unsolved
SDD proceeding with computation,12 properties remain. new max is 4096
SDD size :654 after 4033
At refinement iteration 13 (OVERLAPS) 5/5679 variables, 3/5169 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/5679 variables, 3/5172 constraints. Problems are: Problem set: 0 solved, 11 unsolved
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(s439 timeout
0.0 org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 5679/5680 variables, and 5172 constraints, problems are : Problem set: 0 solved, 11 unsolved in 5059 ms.
Refiners :[Domain max(s): 2584/2585 constraints, Generalized P Invariants (flows): 4/4 constraints, State Equation: 2584/2585 constraints, PredecessorRefiner: 11/11 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 11 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/47 variables, 47/47 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/47 variables, 0/47 constraints. Problems are: Problem set: 0 solved, 11 unsolved
Reachability property CloudReconfiguration-PT-313-ReachabilityFireability-2025-06 is true.
FORMULA CloudReconfiguration-PT-313-ReachabilityFireability-2025-06 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
Reachability property CloudReconfiguration-PT-313-ReachabilityFireability-2025-05 is true.
FORMULA CloudReconfiguration-PT-313-ReachabilityFireability-2025-05 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
SDD proceeding with computation,10 properties remain. new max is 4096
SDD size :4033 after 105333
At refinement iteration 2 (OVERLAPS) 2528/2575 variables, 4/51 constraints. Problems are: Problem set: 2 solved, 9 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/2575 variables, 2528/2579 constraints. Problems are: Problem set: 2 solved, 9 unsolved
Reachability property CloudReconfiguration-PT-313-ReachabilityFireability-2025-12 is true.
FORMULA CloudReconfiguration-PT-313-ReachabilityFireability-2025-12 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
Invariant property CloudReconfiguration-PT-313-ReachabilityFireability-2025-08 does not hold.
SDD proceeding with computation,8 properties remain. new max is 4096
SDD size :105333 after 363500
SDD proceeding with computation,8 properties remain. new max is 8192
SDD size :363500 after 484157
At refinement iteration 4 (INCLUDED_ONLY) 0/2575 variables, 0/2579 constraints. Problems are: Problem set: 3 solved, 8 unsolved
SDD proceeding with computation,8 properties remain. new max is 16384
SDD size :484157 after 1.04317e+06
At refinement iteration 5 (OVERLAPS) 3087/5662 variables, 2575/5154 constraints. Problems are: Problem set: 3 solved, 8 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/5662 variables, 7/5161 constraints. Problems are: Problem set: 3 solved, 8 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/5662 variables, 0/5161 constraints. Problems are: Problem set: 3 solved, 8 unsolved
At refinement iteration 8 (OVERLAPS) 6/5668 variables, 3/5164 constraints. Problems are: Problem set: 3 solved, 8 unsolved
SDD proceeding with computation,8 properties remain. new max is 32768
SDD size :1.04317e+06 after 6.50556e+06
At refinement iteration 9 (INCLUDED_ONLY) 0/5668 variables, 3/5167 constraints. Problems are: Problem set: 3 solved, 8 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/5668 variables, 1/5168 constraints. Problems are: Problem set: 3 solved, 8 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 5668/5680 variables, and 5168 constraints, problems are : Problem set: 3 solved, 8 unsolved in 5031 ms.
Refiners :[Domain max(s): 2578/2585 constraints, Generalized P Invariants (flows): 4/4 constraints, State Equation: 2578/2585 constraints, PredecessorRefiner: 8/11 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 10230ms problems are : Problem set: 3 solved, 8 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 44 out of 2585 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2585/2585 places, 3095/3095 transitions.
Graph (trivial) has 2837 edges and 2585 vertex of which 726 / 2585 are part of one of the 57 SCC in 9 ms
Free SCC test removed 669 places
Drop transitions (Empty/Sink Transition effects.) removed 812 transitions
Reduce isomorphic transitions removed 812 transitions.
Graph (complete) has 2563 edges and 1916 vertex of which 1902 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 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1190 transitions
Trivial Post-agglo rules discarded 1190 transitions
Performed 1190 trivial Post agglomeration. Transition count delta: 1190
Iterating post reduction 0 with 1198 rules applied. Total rules applied 1200 place count 1902 transition count 1076
Reduce places removed 1190 places and 0 transitions.
Ensure Unique test removed 68 transitions
Reduce isomorphic transitions removed 68 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 46 transitions
Trivial Post-agglo rules discarded 46 transitions
Performed 46 trivial Post agglomeration. Transition count delta: 46
Iterating post reduction 1 with 1304 rules applied. Total rules applied 2504 place count 712 transition count 962
Reduce places removed 46 places and 0 transitions.
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 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 52 rules applied. Total rules applied 2556 place count 666 transition count 956
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 2559 place count 665 transition count 954
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 2563 place count 664 transition count 951
Reduce places removed 2 places and 0 transitions.
Performed 44 Post agglomeration using F-continuation condition.Transition count delta: 44
Iterating post reduction 5 with 46 rules applied. Total rules applied 2609 place count 662 transition count 907
Reduce places removed 44 places and 0 transitions.
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Iterating post reduction 6 with 49 rules applied. Total rules applied 2658 place count 618 transition count 902
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 7 with 2 rules applied. Total rules applied 2660 place count 616 transition count 902
Performed 32 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 8 with 32 Pre rules applied. Total rules applied 2660 place count 616 transition count 870
Deduced a syphon composed of 32 places in 1 ms
Reduce places removed 32 places and 0 transitions.
Iterating global reduction 8 with 64 rules applied. Total rules applied 2724 place count 584 transition count 870
Discarding 89 places :
Symmetric choice reduction at 8 with 89 rule applications. Total rules 2813 place count 495 transition count 781
Iterating global reduction 8 with 89 rules applied. Total rules applied 2902 place count 495 transition count 781
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 8 with 3 rules applied. Total rules applied 2905 place count 495 transition count 778
Reduce places removed 1 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 9 with 3 rules applied. Total rules applied 2908 place count 494 transition count 776
Reduce places removed 1 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 10 with 3 rules applied. Total rules applied 2911 place count 493 transition count 774
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 11 with 3 rules applied. Total rules applied 2914 place count 492 transition count 772
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 12 with 1 rules applied. Total rules applied 2915 place count 491 transition count 772
Performed 9 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 13 with 9 Pre rules applied. Total rules applied 2915 place count 491 transition count 763
Deduced a syphon composed of 9 places in 2 ms
Reduce places removed 9 places and 0 transitions.
Iterating global reduction 13 with 18 rules applied. Total rules applied 2933 place count 482 transition count 763
Discarding 61 places :
Symmetric choice reduction at 13 with 61 rule applications. Total rules 2994 place count 421 transition count 702
Iterating global reduction 13 with 61 rules applied. Total rules applied 3055 place count 421 transition count 702
Ensure Unique test removed 14 transitions
Reduce isomorphic transitions removed 14 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 14 transitions
Trivial Post-agglo rules discarded 14 transitions
Performed 14 trivial Post agglomeration. Transition count delta: 14
Iterating post reduction 13 with 28 rules applied. Total rules applied 3083 place count 421 transition count 674
Reduce places removed 14 places and 0 transitions.
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 4 transitions
Trivial Post-agglo rules discarded 4 transitions
Performed 4 trivial Post agglomeration. Transition count delta: 4
Iterating post reduction 14 with 22 rules applied. Total rules applied 3105 place count 407 transition count 666
Reduce places removed 4 places and 0 transitions.
Iterating post reduction 15 with 4 rules applied. Total rules applied 3109 place count 403 transition count 666
Discarding 17 places :
Symmetric choice reduction at 16 with 17 rule applications. Total rules 3126 place count 386 transition count 641
Iterating global reduction 16 with 17 rules applied. Total rules applied 3143 place count 386 transition count 641
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 16 with 6 rules applied. Total rules applied 3149 place count 386 transition count 635
Discarding 7 places :
Symmetric choice reduction at 17 with 7 rule applications. Total rules 3156 place count 379 transition count 621
Iterating global reduction 17 with 7 rules applied. Total rules applied 3163 place count 379 transition count 621
Discarding 3 places :
Symmetric choice reduction at 17 with 3 rule applications. Total rules 3166 place count 376 transition count 615
Iterating global reduction 17 with 3 rules applied. Total rules applied 3169 place count 376 transition count 615
Performed 164 Post agglomeration using F-continuation condition with reduction of 60 identical transitions.
Deduced a syphon composed of 164 places in 1 ms
Reduce places removed 164 places and 0 transitions.
Iterating global reduction 17 with 328 rules applied. Total rules applied 3497 place count 212 transition count 391
Ensure Unique test removed 17 transitions
Reduce isomorphic transitions removed 17 transitions.
Iterating post reduction 17 with 17 rules applied. Total rules applied 3514 place count 212 transition count 374
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: 3
Deduced a syphon composed of 3 places in 1 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 18 with 6 rules applied. Total rules applied 3520 place count 209 transition count 371
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 18 with 2 rules applied. Total rules applied 3522 place count 209 transition count 369
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 19 with 2 rules applied. Total rules applied 3524 place count 208 transition count 368
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 19 with 2 rules applied. Total rules applied 3526 place count 208 transition count 366
Performed 46 Post agglomeration using F-continuation condition with reduction of 20 identical transitions.
Deduced a syphon composed of 46 places in 0 ms
Reduce places removed 46 places and 0 transitions.
Iterating global reduction 20 with 92 rules applied. Total rules applied 3618 place count 162 transition count 395
Ensure Unique test removed 41 transitions
Reduce isomorphic transitions removed 41 transitions.
Iterating post reduction 20 with 41 rules applied. Total rules applied 3659 place count 162 transition count 354
Discarding 17 places :
Symmetric choice reduction at 21 with 17 rule applications. Total rules 3676 place count 145 transition count 319
Iterating global reduction 21 with 17 rules applied. Total rules applied 3693 place count 145 transition count 319
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 21 with 3 rules applied. Total rules applied 3696 place count 145 transition count 316
Discarding 5 places :
Symmetric choice reduction at 22 with 5 rule applications. Total rules 3701 place count 140 transition count 306
Iterating global reduction 22 with 5 rules applied. Total rules applied 3706 place count 140 transition count 306
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 22 with 2 rules applied. Total rules applied 3708 place count 140 transition count 304
Drop transitions (Redundant composition of simpler transitions.) removed 24 transitions
Redundant transition composition rules discarded 24 transitions
Iterating global reduction 23 with 24 rules applied. Total rules applied 3732 place count 140 transition count 280
Free-agglomeration rule applied 9 times.
Iterating global reduction 23 with 9 rules applied. Total rules applied 3741 place count 140 transition count 271
Reduce places removed 9 places and 0 transitions.
Iterating post reduction 23 with 9 rules applied. Total rules applied 3750 place count 131 transition count 271
Drop transitions (Redundant composition of simpler transitions.) removed 5 transitions
Redundant transition composition rules discarded 5 transitions
Iterating global reduction 24 with 5 rules applied. Total rules applied 3755 place count 131 transition count 266
Free-agglomeration rule applied 1 times.
Iterating global reduction 24 with 1 rules applied. Total rules applied 3756 place count 131 transition count 265
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 24 with 1 rules applied. Total rules applied 3757 place count 130 transition count 265
Partial Free-agglomeration rule applied 10 times.
Drop transitions (Partial Free agglomeration) removed 10 transitions
Iterating global reduction 25 with 10 rules applied. Total rules applied 3767 place count 130 transition count 265
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 25 with 1 rules applied. Total rules applied 3768 place count 130 transition count 264
Partial Post-agglomeration rule applied 1 times.
Drop transitions (Partial Post agglomeration) removed 1 transitions
Iterating global reduction 25 with 1 rules applied. Total rules applied 3769 place count 130 transition count 264
Applied a total of 3769 rules in 381 ms. Remains 130 /2585 variables (removed 2455) and now considering 264/3095 (removed 2831) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 390 ms. Remains : 130/2585 places, 264/3095 transitions.
RANDOM walk for 40000 steps (385 resets) in 1041 ms. (38 steps per ms) remains 2/8 properties
FORMULA CloudReconfiguration-PT-313-ReachabilityFireability-2025-15 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudReconfiguration-PT-313-ReachabilityFireability-2025-14 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudReconfiguration-PT-313-ReachabilityFireability-2025-13 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudReconfiguration-PT-313-ReachabilityFireability-2025-07 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudReconfiguration-PT-313-ReachabilityFireability-2025-01 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudReconfiguration-PT-313-ReachabilityFireability-2025-00 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 40001 steps (100 resets) in 92 ms. (430 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (107 resets) in 86 ms. (459 steps per ms) remains 2/2 properties
[2025-05-30 08:53:50] [INFO ] Flow matrix only has 256 transitions (discarded 8 similar events)
// Phase 1: matrix 256 rows 130 cols
[2025-05-30 08:53:50] [INFO ] Computed 3 invariants in 2 ms
[2025-05-30 08:53:50] [INFO ] State equation strengthened by 17 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 28/32 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/32 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 62/94 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/94 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 219/313 variables, 94/97 constraints. Problems are: Problem set: 0 solved, 2 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/313 variables, 14/111 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/313 variables, 0/111 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 54/367 variables, 25/136 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/367 variables, 3/139 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/367 variables, 0/139 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 17/384 variables, 9/148 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/384 variables, 0/148 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Problem CloudReconfiguration-PT-313-ReachabilityFireability-2025-04 is UNSAT
FORMULA CloudReconfiguration-PT-313-ReachabilityFireability-2025-04 FALSE TECHNIQUES SMT_REFINEMENT
At refinement iteration 13 (OVERLAPS) 2/386 variables, 2/150 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/386 variables, 0/150 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/386 variables, 0/150 constraints. Problems are: Problem set: 1 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 386/386 variables, and 150 constraints, problems are : Problem set: 1 solved, 1 unsolved in 138 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 130/130 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 solved, 1 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 8/11 variables, 2/3 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/11 variables, 1/4 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/11 variables, 0/4 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 117/128 variables, 7/11 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/128 variables, 1/12 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/128 variables, 0/12 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 27/155 variables, 1/13 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/155 variables, 1/14 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/155 variables, 0/14 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 62/217 variables, 2/16 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/217 variables, 2/18 constraints. Problems are: Problem set: 1 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 08:53:51] [INFO ] Deduced a trap composed of 41 places in 69 ms of which 9 ms to minimize.
At refinement iteration 14 (INCLUDED_ONLY) 0/217 variables, 1/19 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/217 variables, 0/19 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 168/385 variables, 116/135 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/385 variables, 16/151 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/385 variables, 0/151 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 1/386 variables, 1/152 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/386 variables, 0/152 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 0/386 variables, 0/152 constraints. Problems are: Problem set: 1 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 386/386 variables, and 152 constraints, problems are : Problem set: 1 solved, 1 unsolved in 280 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 130/130 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 1/2 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 429ms problems are : Problem set: 1 solved, 1 unsolved
Finished Parikh walk after 19 steps, including 0 resets, run visited all 1 properties in 1 ms. (steps per millisecond=19 )
FORMULA CloudReconfiguration-PT-313-ReachabilityFireability-2025-10 TRUE TECHNIQUES PARIKH_WALK
Parikh walk visited 1 properties in 5 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
All properties solved without resorting to model-checking.
Total runtime 13432 ms.

BK_STOP 1748595231423

--------------------
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-313"
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-313, 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-174854028200311"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/CloudReconfiguration-PT-313.tgz
mv CloudReconfiguration-PT-313 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 ;