Execution Chart

We display below the execution chart for this examination (boot time has been removed).

Trace from the execution

Formatting '/data/fkordon/mcc2026-input.r066-tall-177946967500127.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2026-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
=====================================================================
Generated by BenchKit 2-5973
Executing tool itstools
Input is CloudReconfiguration-PT-302, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r066-tall-177946967500127
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.2M
-rw-r--r-- 1 mcc users 7.2K Mar 6 08:53 CTLCardinality.txt
-rw-r--r-- 1 mcc users 72K Mar 6 08:53 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.3K Mar 6 08:53 CTLFireability.txt
-rw-r--r-- 1 mcc users 57K Mar 6 08:53 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.8K Mar 3 18:30 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 4.0K Mar 15 08:21 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K Mar 15 08:21 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.5K Mar 15 08:21 LTLFireability.txt
-rw-r--r-- 1 mcc users 20K Mar 15 08:21 LTLFireability.xml
-rw-r--r-- 1 mcc users 18K Mar 6 08:53 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 189K Mar 6 08:53 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.0K Mar 6 08:53 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 74K Mar 6 08:53 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Mar 15 08:21 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Mar 15 08:21 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 4 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 660K Mar 3 18:30 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-302-ReachabilityFireability-2024-00
FORMULA_NAME CloudReconfiguration-PT-302-ReachabilityFireability-2024-01
FORMULA_NAME CloudReconfiguration-PT-302-ReachabilityFireability-2024-02
FORMULA_NAME CloudReconfiguration-PT-302-ReachabilityFireability-2024-03
FORMULA_NAME CloudReconfiguration-PT-302-ReachabilityFireability-2024-04
FORMULA_NAME CloudReconfiguration-PT-302-ReachabilityFireability-2024-05
FORMULA_NAME CloudReconfiguration-PT-302-ReachabilityFireability-2024-06
FORMULA_NAME CloudReconfiguration-PT-302-ReachabilityFireability-2024-07
FORMULA_NAME CloudReconfiguration-PT-302-ReachabilityFireability-2024-08
FORMULA_NAME CloudReconfiguration-PT-302-ReachabilityFireability-2024-09
FORMULA_NAME CloudReconfiguration-PT-302-ReachabilityFireability-2024-10
FORMULA_NAME CloudReconfiguration-PT-302-ReachabilityFireability-2024-11
FORMULA_NAME CloudReconfiguration-PT-302-ReachabilityFireability-2024-12
FORMULA_NAME CloudReconfiguration-PT-302-ReachabilityFireability-2024-13
FORMULA_NAME CloudReconfiguration-PT-302-ReachabilityFireability-2024-14
FORMULA_NAME CloudReconfiguration-PT-302-ReachabilityFireability-2024-15

=== Now, execution of the tool begins

BK_START 1779499280955

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-302
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityFireability PT
Running Version 202604301425
[2026-05-23 01:21:22] [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]
[2026-05-23 01:21:22] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-23 01:21:22] [INFO ] Load time of PNML (sax parser for PT used): 149 ms
[2026-05-23 01:21:22] [INFO ] Transformed 2585 places.
[2026-05-23 01:21:22] [INFO ] Transformed 3095 transitions.
[2026-05-23 01:21:22] [INFO ] Found NUPN structural information;
[2026-05-23 01:21:22] [INFO ] Parsed PT model containing 2585 places and 3095 transitions and 6463 arcs in 251 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 (288 resets) in 1547 ms. (25 steps per ms) remains 13/16 properties
FORMULA CloudReconfiguration-PT-302-ReachabilityFireability-2024-15 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudReconfiguration-PT-302-ReachabilityFireability-2024-09 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudReconfiguration-PT-302-ReachabilityFireability-2024-07 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 40002 steps (82 resets) in 501 ms. (79 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (82 resets) in 545 ms. (73 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40002 steps (81 resets) in 184 ms. (216 steps per ms) remains 12/13 properties
FORMULA CloudReconfiguration-PT-302-ReachabilityFireability-2024-08 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 40004 steps (75 resets) in 130 ms. (305 steps per ms) remains 12/12 properties
[2026-05-23 01:21:23] [INFO ] Flatten gal took : 442 ms
BEST_FIRST walk for 40003 steps (76 resets) in 194 ms. (205 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40003 steps (36 resets) in 124 ms. (320 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40003 steps (76 resets) in 199 ms. (200 steps per ms) remains 12/12 properties
[2026-05-23 01:21:23] [INFO ] Flatten gal took : 157 ms
BEST_FIRST walk for 40002 steps (75 resets) in 181 ms. (219 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40002 steps (76 resets) in 140 ms. (283 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40003 steps (73 resets) in 159 ms. (250 steps per ms) remains 12/12 properties
[2026-05-23 01:21:23] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality1651419850967540915.gal : 138 ms
[2026-05-23 01:21:23] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality10237878011173290306.prop : 2 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality1651419850967540915.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality10237878011173290306.prop' '--nowitness' '--gen-order' 'FOLLOW'
BEST_FIRST walk for 40001 steps (83 resets) in 228 ms. (174 steps per ms) remains 12/12 properties

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
BEST_FIRST walk for 40004 steps (40 resets) in 97 ms. (408 steps per ms) remains 12/12 properties
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-9547495410535568869.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-17246983869307781403.kers'
[2026-05-23 01:21:23] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-9547495410535568869.kers, --Pflows, --basisKERS=/tmp/petrispot-output-17246983869307781403.kers]
Culled 0 columns in 2 ms.
// Phase 1: matrix 3095 rows 2585 cols 6463 entries
Finished phase 1 with 2580 SingleSign rule and 1 generalized
[2026-05-23 01:21:23] [INFO ] Computed 4 invariants in 18 ms
Computed 4 P flows in 18 ms.
Exported basis to /tmp/petrispot-output-17246983869307781403.kers
Total runtime 21 ms.
Excessive predecessor constraint size, skipping predecessor.
Loading property file /tmp/ReachabilityCardinality10237878011173290306.prop.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/165 variables, 165/165 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/165 variables, 0/165 constraints. Problems are: Problem set: 0 solved, 12 unsolved
SDD proceeding with computation,12 properties remain. new max is 4
SDD size :1 after 4
SDD proceeding with computation,12 properties remain. new max is 8
SDD size :4 after 5
SDD proceeding with computation,12 properties remain. new max is 16
SDD size :5 after 6
SDD proceeding with computation,12 properties remain. new max is 32
SDD size :6 after 7
SDD proceeding with computation,12 properties remain. new max is 64
SDD size :7 after 8
SDD proceeding with computation,12 properties remain. new max is 128
SDD size :8 after 9
SDD proceeding with computation,12 properties remain. new max is 256
SDD size :9 after 10
SDD proceeding with computation,12 properties remain. new max is 512
SDD size :10 after 11
SDD proceeding with computation,12 properties remain. new max is 1024
SDD size :11 after 20
SDD proceeding with computation,12 properties remain. new max is 2048
SDD size :20 after 453
SDD proceeding with computation,12 properties remain. new max is 4096
SDD size :453 after 2466
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 2575/5680 variables, and 169 constraints, problems are : Problem set: 0 solved, 12 unsolved in 5027 ms.
Refiners :[Domain max(s): 165/2585 constraints, Generalized P Invariants (flows): 4/4 constraints, State Equation: 0/2585 constraints, PredecessorRefiner: 12/8 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 12 unsolved
Invariant property CloudReconfiguration-PT-302-ReachabilityFireability-2024-11 does not hold.
FORMULA CloudReconfiguration-PT-302-ReachabilityFireability-2024-11 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
SDD proceeding with computation,11 properties remain. new max is 4096
SDD size :2466 after 6634
At refinement iteration 0 (INCLUDED_ONLY) 0/165 variables, 165/165 constraints. Problems are: Problem set: 1 solved, 11 unsolved
Reachability property CloudReconfiguration-PT-302-ReachabilityFireability-2024-12 is true.
FORMULA CloudReconfiguration-PT-302-ReachabilityFireability-2024-12 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
At refinement iteration 1 (INCLUDED_ONLY) 0/165 variables, 0/165 constraints. Problems are: Problem set: 2 solved, 10 unsolved
At refinement iteration 2 (OVERLAPS) 2410/2575 variables, 4/169 constraints. Problems are: Problem set: 2 solved, 10 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/2575 variables, 2410/2579 constraints. Problems are: Problem set: 2 solved, 10 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/2575 variables, 0/2579 constraints. Problems are: Problem set: 2 solved, 10 unsolved
At refinement iteration 5 (OVERLAPS) 3087/5662 variables, 2575/5154 constraints. Problems are: Problem set: 2 solved, 10 unsolved
SDD proceeding with computation,10 properties remain. new max is 4096
SDD size :6634 after 11552
At refinement iteration 6 (INCLUDED_ONLY) 0/5662 variables, 6/5160 constraints. Problems are: Problem set: 2 solved, 10 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 5662/5680 variables, and 5160 constraints, problems are : Problem set: 2 solved, 10 unsolved in 5020 ms.
Refiners :[Domain max(s): 2575/2585 constraints, Generalized P Invariants (flows): 4/4 constraints, State Equation: 2575/2585 constraints, PredecessorRefiner: 10/8 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 10232ms problems are : Problem set: 2 solved, 10 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 147 out of 2585 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2585/2585 places, 3095/3095 transitions.
Graph (trivial) has 2602 edges and 2585 vertex of which 559 / 2585 are part of one of the 52 SCC in 21 ms
Free SCC test removed 507 places
Drop transitions (Empty/Sink Transition effects.) removed 617 transitions
Reduce isomorphic transitions removed 617 transitions.
Graph (complete) has 2758 edges and 2078 vertex of which 2064 are kept as prefixes of interest. Removing 14 places using SCC suffix rule.8 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 3 transitions
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 5 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1128 transitions
Trivial Post-agglo rules discarded 1128 transitions
Performed 1128 trivial Post agglomeration. Transition count delta: 1128
Iterating post reduction 0 with 1133 rules applied. Total rules applied 1135 place count 2064 transition count 1336
Reduce places removed 1128 places and 0 transitions.
Ensure Unique test removed 51 transitions
Reduce isomorphic transitions removed 51 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 35 transitions
Trivial Post-agglo rules discarded 35 transitions
Performed 35 trivial Post agglomeration. Transition count delta: 35
Iterating post reduction 1 with 1214 rules applied. Total rules applied 2349 place count 936 transition count 1250
Reduce places removed 35 places and 0 transitions.
Performed 128 Post agglomeration using F-continuation condition.Transition count delta: 128
Iterating post reduction 2 with 163 rules applied. Total rules applied 2512 place count 901 transition count 1122
Reduce places removed 128 places and 0 transitions.
Ensure Unique test removed 21 transitions
Reduce isomorphic transitions removed 21 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Iterating post reduction 3 with 151 rules applied. Total rules applied 2663 place count 773 transition count 1099
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 4 with 2 rules applied. Total rules applied 2665 place count 771 transition count 1099
Performed 35 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 5 with 35 Pre rules applied. Total rules applied 2665 place count 771 transition count 1064
Deduced a syphon composed of 35 places in 3 ms
Reduce places removed 35 places and 0 transitions.
Iterating global reduction 5 with 70 rules applied. Total rules applied 2735 place count 736 transition count 1064
Discarding 82 places :
Symmetric choice reduction at 5 with 82 rule applications. Total rules 2817 place count 654 transition count 982
Iterating global reduction 5 with 82 rules applied. Total rules applied 2899 place count 654 transition count 982
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 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 5 with 7 rules applied. Total rules applied 2906 place count 654 transition count 975
Reduce places removed 3 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 6 with 5 rules applied. Total rules applied 2911 place count 651 transition count 973
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 7 with 3 rules applied. Total rules applied 2914 place count 650 transition count 971
Reduce places removed 1 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 8 with 3 rules applied. Total rules applied 2917 place count 649 transition count 969
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 9 with 1 rules applied. Total rules applied 2918 place count 648 transition count 969
Performed 6 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 10 with 6 Pre rules applied. Total rules applied 2918 place count 648 transition count 963
Deduced a syphon composed of 6 places in 2 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 10 with 12 rules applied. Total rules applied 2930 place count 642 transition count 963
Discarding 51 places :
Symmetric choice reduction at 10 with 51 rule applications. Total rules 2981 place count 591 transition count 912
Iterating global reduction 10 with 51 rules applied. Total rules applied 3032 place count 591 transition count 912
Ensure Unique test removed 12 transitions
Reduce isomorphic transitions removed 12 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 10 transitions
Trivial Post-agglo rules discarded 10 transitions
Performed 10 trivial Post agglomeration. Transition count delta: 10
Iterating post reduction 10 with 22 rules applied. Total rules applied 3054 place count 591 transition count 890
Reduce places removed 10 places and 0 transitions.
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 11 with 13 rules applied. Total rules applied 3067 place count 581 transition count 887
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 3070 place count 580 transition count 885
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 13 with 2 rules applied. Total rules applied 3072 place count 578 transition count 885
Discarding 8 places :
Symmetric choice reduction at 14 with 8 rule applications. Total rules 3080 place count 570 transition count 871
Iterating global reduction 14 with 8 rules applied. Total rules applied 3088 place count 570 transition count 871
Discarding 4 places :
Symmetric choice reduction at 14 with 4 rule applications. Total rules 3092 place count 566 transition count 863
Iterating global reduction 14 with 4 rules applied. Total rules applied 3096 place count 566 transition count 863
Discarding 2 places :
Symmetric choice reduction at 14 with 2 rule applications. Total rules 3098 place count 564 transition count 859
Iterating global reduction 14 with 2 rules applied. Total rules applied 3100 place count 564 transition count 859
Performed 154 Post agglomeration using F-continuation condition with reduction of 26 identical transitions.
Deduced a syphon composed of 154 places in 1 ms
Reduce places removed 154 places and 0 transitions.
Iterating global reduction 14 with 308 rules applied. Total rules applied 3408 place count 410 transition count 679
Ensure Unique test removed 18 transitions
Reduce isomorphic transitions removed 18 transitions.
Iterating post reduction 14 with 18 rules applied. Total rules applied 3426 place count 410 transition count 661
Performed 57 Post agglomeration using F-continuation condition with reduction of 15 identical transitions.
Deduced a syphon composed of 57 places in 1 ms
Reduce places removed 57 places and 0 transitions.
Iterating global reduction 15 with 114 rules applied. Total rules applied 3540 place count 353 transition count 703
Ensure Unique test removed 32 transitions
Reduce isomorphic transitions removed 32 transitions.
Iterating post reduction 15 with 32 rules applied. Total rules applied 3572 place count 353 transition count 671
Discarding 12 places :
Symmetric choice reduction at 16 with 12 rule applications. Total rules 3584 place count 341 transition count 646
Iterating global reduction 16 with 12 rules applied. Total rules applied 3596 place count 341 transition count 646
Drop transitions (Redundant composition of simpler transitions.) removed 45 transitions
Redundant transition composition rules discarded 45 transitions
Iterating global reduction 16 with 45 rules applied. Total rules applied 3641 place count 341 transition count 601
Discarding 1 places :
Symmetric choice reduction at 16 with 1 rule applications. Total rules 3642 place count 340 transition count 600
Iterating global reduction 16 with 1 rules applied. Total rules applied 3643 place count 340 transition count 600
Free-agglomeration rule applied 34 times.
Iterating global reduction 16 with 34 rules applied. Total rules applied 3677 place count 340 transition count 566
Reduce places removed 34 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 16 with 35 rules applied. Total rules applied 3712 place count 306 transition count 565
Drop transitions (Redundant composition of simpler transitions.) removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 17 with 2 rules applied. Total rules applied 3714 place count 306 transition count 563
Partial Free-agglomeration rule applied 11 times.
Drop transitions (Partial Free agglomeration) removed 11 transitions
Iterating global reduction 17 with 11 rules applied. Total rules applied 3725 place count 306 transition count 563
Drop transitions (Redundant composition of simpler transitions.) removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 17 with 2 rules applied. Total rules applied 3727 place count 306 transition count 561
Partial Post-agglomeration rule applied 3 times.
Drop transitions (Partial Post agglomeration) removed 3 transitions
Iterating global reduction 17 with 3 rules applied. Total rules applied 3730 place count 306 transition count 561
Applied a total of 3730 rules in 518 ms. Remains 306 /2585 variables (removed 2279) and now considering 561/3095 (removed 2534) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 524 ms. Remains : 306/2585 places, 561/3095 transitions.
RANDOM walk for 40000 steps (1842 resets) in 592 ms. (67 steps per ms) remains 7/10 properties
FORMULA CloudReconfiguration-PT-302-ReachabilityFireability-2024-13 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudReconfiguration-PT-302-ReachabilityFireability-2024-02 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudReconfiguration-PT-302-ReachabilityFireability-2024-00 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 40002 steps (180 resets) in 189 ms. (210 steps per ms) remains 6/7 properties
FORMULA CloudReconfiguration-PT-302-ReachabilityFireability-2024-01 FALSE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 40003 steps (405 resets) in 121 ms. (327 steps per ms) remains 5/6 properties
FORMULA CloudReconfiguration-PT-302-ReachabilityFireability-2024-05 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 40001 steps (388 resets) in 171 ms. (232 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40003 steps (395 resets) in 92 ms. (430 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40004 steps (399 resets) in 116 ms. (341 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40003 steps (251 resets) in 41 ms. (952 steps per ms) remains 5/5 properties
[2026-05-23 01:21:34] [INFO ] Flow matrix only has 552 transitions (discarded 9 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-17195125848220993403.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-7146210979585798905.kers'
[2026-05-23 01:21:34] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-17195125848220993403.kers, --Pflows, --basisKERS=/tmp/petrispot-output-7146210979585798905.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 552 rows 306 cols 1333 entries
Finished phase 1 with 304 SingleSign rule and 0 generalized
[2026-05-23 01:21:34] [INFO ] Computed 2 invariants in 2 ms
Computed 2 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-7146210979585798905.kers
Total runtime 2 ms.
[2026-05-23 01:21:34] [INFO ] State equation strengthened by 4 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/95 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 5 unsolved
Problem CloudReconfiguration-PT-302-ReachabilityFireability-2024-06 is UNSAT
FORMULA CloudReconfiguration-PT-302-ReachabilityFireability-2024-06 FALSE TECHNIQUES SMT_REFINEMENT
At refinement iteration 1 (OVERLAPS) 111/206 variables, 2/2 constraints. Problems are: Problem set: 1 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/206 variables, 0/2 constraints. Problems are: Problem set: 1 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 466/672 variables, 206/208 constraints. Problems are: Problem set: 1 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/672 variables, 2/210 constraints. Problems are: Problem set: 1 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/672 variables, 0/210 constraints. Problems are: Problem set: 1 solved, 4 unsolved
At refinement iteration 6 (OVERLAPS) 146/818 variables, 75/285 constraints. Problems are: Problem set: 1 solved, 4 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/818 variables, 1/286 constraints. Problems are: Problem set: 1 solved, 4 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/818 variables, 0/286 constraints. Problems are: Problem set: 1 solved, 4 unsolved
Problem CloudReconfiguration-PT-302-ReachabilityFireability-2024-14 is UNSAT
FORMULA CloudReconfiguration-PT-302-ReachabilityFireability-2024-14 FALSE TECHNIQUES SMT_REFINEMENT
At refinement iteration 9 (OVERLAPS) 32/850 variables, 19/305 constraints. Problems are: Problem set: 2 solved, 3 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/850 variables, 1/306 constraints. Problems are: Problem set: 2 solved, 3 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/850 variables, 0/306 constraints. Problems are: Problem set: 2 solved, 3 unsolved
At refinement iteration 12 (OVERLAPS) 7/857 variables, 5/311 constraints. Problems are: Problem set: 2 solved, 3 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/857 variables, 0/311 constraints. Problems are: Problem set: 2 solved, 3 unsolved
Problem CloudReconfiguration-PT-302-ReachabilityFireability-2024-04 is UNSAT
FORMULA CloudReconfiguration-PT-302-ReachabilityFireability-2024-04 FALSE TECHNIQUES SMT_REFINEMENT
At refinement iteration 14 (OVERLAPS) 1/858 variables, 1/312 constraints. Problems are: Problem set: 3 solved, 2 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/858 variables, 0/312 constraints. Problems are: Problem set: 3 solved, 2 unsolved
At refinement iteration 16 (OVERLAPS) 0/858 variables, 0/312 constraints. Problems are: Problem set: 3 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 858/858 variables, and 312 constraints, problems are : Problem set: 3 solved, 2 unsolved in 741 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 306/306 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 5/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 3 solved, 2 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/30 variables, 0/0 constraints. Problems are: Problem set: 3 solved, 2 unsolved
Problem CloudReconfiguration-PT-302-ReachabilityFireability-2024-10 is UNSAT
FORMULA CloudReconfiguration-PT-302-ReachabilityFireability-2024-10 TRUE TECHNIQUES SMT_REFINEMENT
At refinement iteration 1 (OVERLAPS) 145/175 variables, 2/2 constraints. Problems are: Problem set: 4 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/175 variables, 0/2 constraints. Problems are: Problem set: 4 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 370/545 variables, 175/177 constraints. Problems are: Problem set: 4 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/545 variables, 2/179 constraints. Problems are: Problem set: 4 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/545 variables, 1/180 constraints. Problems are: Problem set: 4 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/545 variables, 0/180 constraints. Problems are: Problem set: 4 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 162/707 variables, 56/236 constraints. Problems are: Problem set: 4 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/707 variables, 1/237 constraints. Problems are: Problem set: 4 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/707 variables, 0/237 constraints. Problems are: Problem set: 4 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 104/811 variables, 43/280 constraints. Problems are: Problem set: 4 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/811 variables, 1/281 constraints. Problems are: Problem set: 4 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/811 variables, 0/281 constraints. Problems are: Problem set: 4 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 38/849 variables, 26/307 constraints. Problems are: Problem set: 4 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/849 variables, 0/307 constraints. Problems are: Problem set: 4 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 8/857 variables, 5/312 constraints. Problems are: Problem set: 4 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/857 variables, 0/312 constraints. Problems are: Problem set: 4 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 1/858 variables, 1/313 constraints. Problems are: Problem set: 4 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/858 variables, 0/313 constraints. Problems are: Problem set: 4 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/858 variables, 0/313 constraints. Problems are: Problem set: 4 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 858/858 variables, and 313 constraints, problems are : Problem set: 4 solved, 1 unsolved in 421 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 306/306 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1193ms problems are : Problem set: 4 solved, 1 unsolved
Finished Parikh walk after 44 steps, including 1 resets, run visited all 1 properties in 1 ms. (steps per millisecond=44 )
FORMULA CloudReconfiguration-PT-302-ReachabilityFireability-2024-03 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 14044 ms.

BK_STOP 1779499297271

--------------------
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_1.0.0.202604301425.jar
+ VERSION=202604301425
+ echo 'Running Version 202604301425'
+ /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-302"
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 2-5973"
echo " Executing tool itstools"
echo " Input is CloudReconfiguration-PT-302, 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 r066-tall-177946967500127"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/CloudReconfiguration-PT-302.tgz
mv CloudReconfiguration-PT-302 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 ;