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-177946967600183.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)
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=====================================================================
Generated by BenchKit 2-5973
Executing tool itstools
Input is CloudReconfiguration-PT-309, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r066-tall-177946967600183
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.1M
-rw-r--r-- 1 mcc users 7.6K Mar 6 08:54 CTLCardinality.txt
-rw-r--r-- 1 mcc users 81K Mar 6 08:54 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.4K Mar 6 08:53 CTLFireability.txt
-rw-r--r-- 1 mcc users 42K 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 08:23 LTLCardinality.txt
-rw-r--r-- 1 mcc users 29K Mar 15 08:23 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.5K Mar 15 08:24 LTLFireability.txt
-rw-r--r-- 1 mcc users 21K Mar 15 08:24 LTLFireability.xml
-rw-r--r-- 1 mcc users 9.2K Mar 6 08:54 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 90K Mar 6 08:54 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.3K Mar 6 08:54 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 78K Mar 6 08:54 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Mar 15 08:24 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Mar 15 08:24 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-309-ReachabilityFireability-2024-00
FORMULA_NAME CloudReconfiguration-PT-309-ReachabilityFireability-2024-01
FORMULA_NAME CloudReconfiguration-PT-309-ReachabilityFireability-2024-02
FORMULA_NAME CloudReconfiguration-PT-309-ReachabilityFireability-2024-03
FORMULA_NAME CloudReconfiguration-PT-309-ReachabilityFireability-2024-04
FORMULA_NAME CloudReconfiguration-PT-309-ReachabilityFireability-2024-05
FORMULA_NAME CloudReconfiguration-PT-309-ReachabilityFireability-2024-06
FORMULA_NAME CloudReconfiguration-PT-309-ReachabilityFireability-2024-07
FORMULA_NAME CloudReconfiguration-PT-309-ReachabilityFireability-2024-08
FORMULA_NAME CloudReconfiguration-PT-309-ReachabilityFireability-2024-09
FORMULA_NAME CloudReconfiguration-PT-309-ReachabilityFireability-2024-10
FORMULA_NAME CloudReconfiguration-PT-309-ReachabilityFireability-2024-11
FORMULA_NAME CloudReconfiguration-PT-309-ReachabilityFireability-2024-12
FORMULA_NAME CloudReconfiguration-PT-309-ReachabilityFireability-2024-13
FORMULA_NAME CloudReconfiguration-PT-309-ReachabilityFireability-2024-14
FORMULA_NAME CloudReconfiguration-PT-309-ReachabilityFireability-2024-15

=== Now, execution of the tool begins

BK_START 1779505642169

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-309
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityFireability PT
Running Version 202604301425
[2026-05-23 03:07:23] [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 03:07:23] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-23 03:07:23] [INFO ] Load time of PNML (sax parser for PT used): 145 ms
[2026-05-23 03:07:23] [INFO ] Transformed 2585 places.
[2026-05-23 03:07:23] [INFO ] Transformed 3095 transitions.
[2026-05-23 03:07:23] [INFO ] Found NUPN structural information;
[2026-05-23 03:07:23] [INFO ] Parsed PT model containing 2585 places and 3095 transitions and 6463 arcs in 246 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 15 ms.
Working with output stream class java.io.PrintStream
RANDOM walk for 40000 steps (287 resets) in 2306 ms. (17 steps per ms) remains 13/16 properties
FORMULA CloudReconfiguration-PT-309-ReachabilityFireability-2024-09 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudReconfiguration-PT-309-ReachabilityFireability-2024-08 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudReconfiguration-PT-309-ReachabilityFireability-2024-01 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 40002 steps (76 resets) in 283 ms. (140 steps per ms) remains 13/13 properties
[2026-05-23 03:07:24] [INFO ] Flatten gal took : 371 ms
BEST_FIRST walk for 40004 steps (79 resets) in 381 ms. (104 steps per ms) remains 13/13 properties
[2026-05-23 03:07:24] [INFO ] Flatten gal took : 222 ms
BEST_FIRST walk for 40003 steps (80 resets) in 742 ms. (53 steps per ms) remains 13/13 properties
[2026-05-23 03:07:24] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality15210406876026408622.gal : 90 ms
BEST_FIRST walk for 40003 steps (79 resets) in 239 ms. (166 steps per ms) remains 13/13 properties
[2026-05-23 03:07:24] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality9276846936799443821.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/ReachabilityCardinality15210406876026408622.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality9276846936799443821.prop' '--nowitness' '--gen-order' 'FOLLOW'
BEST_FIRST walk for 40002 steps (79 resets) in 221 ms. (180 steps per ms) remains 13/13 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 40003 steps (81 resets) in 188 ms. (211 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (81 resets) in 243 ms. (163 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40003 steps (80 resets) in 214 ms. (186 steps per ms) remains 13/13 properties
Loading property file /tmp/ReachabilityCardinality9276846936799443821.prop.
BEST_FIRST walk for 40003 steps (76 resets) in 314 ms. (126 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40002 steps (83 resets) in 155 ms. (256 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40003 steps (81 resets) in 255 ms. (156 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40002 steps (79 resets) in 110 ms. (360 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (76 resets) in 173 ms. (229 steps per ms) remains 13/13 properties
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-17704174714655850304.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-3048135210771335596.kers'
[2026-05-23 03:07:25] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-17704174714655850304.kers, --Pflows, --basisKERS=/tmp/petrispot-output-3048135210771335596.kers]
Culled 0 columns in 1 ms.
// Phase 1: matrix 3095 rows 2585 cols 6463 entries
Finished phase 1 with 2580 SingleSign rule and 1 generalized
[2026-05-23 03:07:25] [INFO ] Computed 4 invariants in 18 ms
Computed 4 P flows in 18 ms.
Exported basis to /tmp/petrispot-output-3048135210771335596.kers
Total runtime 20 ms.
Excessive predecessor constraint size, skipping predecessor.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/239 variables, 239/239 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/239 variables, 0/239 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 2 (OVERLAPS) 2335/2574 variables, 4/243 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/2574 variables, 2335/2578 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/2574 variables, 0/2578 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 5 (OVERLAPS) 3085/5659 variables, 2574/5152 constraints. Problems are: Problem set: 0 solved, 13 unsolved
SDD proceeding with computation,13 properties remain. new max is 4
SDD size :1 after 2
SDD proceeding with computation,13 properties remain. new max is 8
SDD size :2 after 3
SDD proceeding with computation,13 properties remain. new max is 16
SDD size :3 after 4
SDD proceeding with computation,13 properties remain. new max is 32
SDD size :4 after 5
SDD proceeding with computation,13 properties remain. new max is 64
SDD size :5 after 6
SDD proceeding with computation,13 properties remain. new max is 128
SDD size :6 after 7
SDD proceeding with computation,13 properties remain. new max is 256
SDD size :7 after 9
SDD proceeding with computation,13 properties remain. new max is 512
SDD size :9 after 11
SDD proceeding with computation,13 properties remain. new max is 1024
SDD size :11 after 19
SDD proceeding with computation,13 properties remain. new max is 2048
SDD size :19 after 209
SDD proceeding with computation,13 properties remain. new max is 4096
SDD size :209 after 2267
SDD proceeding with computation,13 properties remain. new max is 8192
SDD size :2267 after 5185
At refinement iteration 6 (INCLUDED_ONLY) 0/5659 variables, 0/5152 constraints. Problems are: Problem set: 0 solved, 13 unsolved
SMT process timed out in 5242ms, After SMT, problems are : Problem set: 0 solved, 13 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 239 out of 2585 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2585/2585 places, 3095/3095 transitions.
Graph (trivial) has 2326 edges and 2585 vertex of which 314 / 2585 are part of one of the 35 SCC in 17 ms
Free SCC test removed 279 places
Drop transitions (Empty/Sink Transition effects.) removed 336 transitions
Reduce isomorphic transitions removed 336 transitions.
Graph (complete) has 3039 edges and 2306 vertex of which 2293 are kept as prefixes of interest. Removing 13 places using SCC suffix rule.9 ms
Discarding 13 places :
Also discarding 8 output transitions
Drop transitions (Output transitions of discarded places.) removed 8 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 1064 transitions
Trivial Post-agglo rules discarded 1064 transitions
Performed 1064 trivial Post agglomeration. Transition count delta: 1064
Iterating post reduction 0 with 1069 rules applied. Total rules applied 1071 place count 2293 transition count 1682
Reduce places removed 1064 places and 0 transitions.
Ensure Unique test removed 51 transitions
Reduce isomorphic transitions removed 51 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 27 transitions
Trivial Post-agglo rules discarded 27 transitions
Performed 27 trivial Post agglomeration. Transition count delta: 27
Iterating post reduction 1 with 1142 rules applied. Total rules applied 2213 place count 1229 transition count 1604
Reduce places removed 27 places and 0 transitions.
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 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 2 with 36 rules applied. Total rules applied 2249 place count 1202 transition count 1595
Reduce places removed 4 places and 0 transitions.
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 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 3 with 9 rules applied. Total rules applied 2258 place count 1198 transition count 1590
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 2 transitions
Trivial Post-agglo rules discarded 2 transitions
Performed 2 trivial Post agglomeration. Transition count delta: 2
Iterating post reduction 4 with 5 rules applied. Total rules applied 2263 place count 1196 transition count 1587
Reduce places removed 2 places and 0 transitions.
Performed 209 Post agglomeration using F-continuation condition.Transition count delta: 209
Iterating post reduction 5 with 211 rules applied. Total rules applied 2474 place count 1194 transition count 1378
Reduce places removed 209 places and 0 transitions.
Ensure Unique test removed 27 transitions
Reduce isomorphic transitions removed 27 transitions.
Performed 8 Post agglomeration using F-continuation condition.Transition count delta: 8
Iterating post reduction 6 with 244 rules applied. Total rules applied 2718 place count 985 transition count 1343
Reduce places removed 8 places and 0 transitions.
Iterating post reduction 7 with 8 rules applied. Total rules applied 2726 place count 977 transition count 1343
Performed 39 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 8 with 39 Pre rules applied. Total rules applied 2726 place count 977 transition count 1304
Deduced a syphon composed of 39 places in 2 ms
Reduce places removed 39 places and 0 transitions.
Iterating global reduction 8 with 78 rules applied. Total rules applied 2804 place count 938 transition count 1304
Invariant property CloudReconfiguration-PT-309-ReachabilityFireability-2024-03 does not hold.
FORMULA CloudReconfiguration-PT-309-ReachabilityFireability-2024-03 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
SDD proceeding with computation,12 properties remain. new max is 8192
Discarding 122 places :
Symmetric choice reduction at 8 with 122 rule applications. Total rules 2926 place count 816 transition count 1182
SDD size :5185 after 17875
Iterating global reduction 8 with 122 rules applied. Total rules applied 3048 place count 816 transition count 1182
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 8 with 3 rules applied. Total rules applied 3051 place count 816 transition count 1179
Performed 6 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 9 with 6 Pre rules applied. Total rules applied 3051 place count 816 transition count 1173
Deduced a syphon composed of 6 places in 1 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 9 with 12 rules applied. Total rules applied 3063 place count 810 transition count 1173
Discarding 51 places :
Symmetric choice reduction at 9 with 51 rule applications. Total rules 3114 place count 759 transition count 1122
Iterating global reduction 9 with 51 rules applied. Total rules applied 3165 place count 759 transition count 1122
Ensure Unique test removed 11 transitions
Reduce isomorphic transitions removed 11 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 7 transitions
Trivial Post-agglo rules discarded 7 transitions
Performed 7 trivial Post agglomeration. Transition count delta: 7
Iterating post reduction 9 with 18 rules applied. Total rules applied 3183 place count 759 transition count 1104
Reduce places removed 7 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 10 with 11 rules applied. Total rules applied 3194 place count 752 transition count 1100
Reduce places removed 2 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 11 with 3 rules applied. Total rules applied 3197 place count 750 transition count 1099
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 12 with 1 rules applied. Total rules applied 3198 place count 749 transition count 1099
Discarding 2 places :
Symmetric choice reduction at 13 with 2 rule applications. Total rules 3200 place count 747 transition count 1097
Iterating global reduction 13 with 2 rules applied. Total rules applied 3202 place count 747 transition count 1097
Discarding 2 places :
Symmetric choice reduction at 13 with 2 rule applications. Total rules 3204 place count 745 transition count 1093
Iterating global reduction 13 with 2 rules applied. Total rules applied 3206 place count 745 transition count 1093
Performed 166 Post agglomeration using F-continuation condition with reduction of 23 identical transitions.
Deduced a syphon composed of 166 places in 2 ms
Reduce places removed 166 places and 0 transitions.
Iterating global reduction 13 with 332 rules applied. Total rules applied 3538 place count 579 transition count 904
Ensure Unique test removed 18 transitions
Reduce isomorphic transitions removed 18 transitions.
Iterating post reduction 13 with 18 rules applied. Total rules applied 3556 place count 579 transition count 886
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 14 with 2 rules applied. Total rules applied 3558 place count 578 transition count 885
Performed 48 Post agglomeration using F-continuation condition with reduction of 4 identical transitions.
Deduced a syphon composed of 48 places in 2 ms
Reduce places removed 48 places and 0 transitions.
Iterating global reduction 14 with 96 rules applied. Total rules applied 3654 place count 530 transition count 940
Ensure Unique test removed 12 transitions
Reduce isomorphic transitions removed 12 transitions.
Iterating post reduction 14 with 12 rules applied. Total rules applied 3666 place count 530 transition count 928
Discarding 4 places :
Symmetric choice reduction at 15 with 4 rule applications. Total rules 3670 place count 526 transition count 920
Iterating global reduction 15 with 4 rules applied. Total rules applied 3674 place count 526 transition count 920
Drop transitions (Redundant composition of simpler transitions.) removed 44 transitions
Redundant transition composition rules discarded 44 transitions
Iterating global reduction 15 with 44 rules applied. Total rules applied 3718 place count 526 transition count 876
Free-agglomeration rule applied 46 times with reduction of 2 identical transitions.
Iterating global reduction 15 with 46 rules applied. Total rules applied 3764 place count 526 transition count 828
Reduce places removed 46 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 15 with 47 rules applied. Total rules applied 3811 place count 480 transition count 827
Drop transitions (Redundant composition of simpler transitions.) removed 6 transitions
Redundant transition composition rules discarded 6 transitions
Iterating global reduction 16 with 6 rules applied. Total rules applied 3817 place count 480 transition count 821
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 16 with 1 rules applied. Total rules applied 3818 place count 480 transition count 821
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 16 with 1 rules applied. Total rules applied 3819 place count 479 transition count 821
Partial Free-agglomeration rule applied 23 times.
Drop transitions (Partial Free agglomeration) removed 23 transitions
Iterating global reduction 17 with 23 rules applied. Total rules applied 3842 place count 479 transition count 821
Partial Post-agglomeration rule applied 5 times.
Drop transitions (Partial Post agglomeration) removed 5 transitions
Iterating global reduction 17 with 5 rules applied. Total rules applied 3847 place count 479 transition count 821
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 17 with 1 rules applied. Total rules applied 3848 place count 479 transition count 820
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 18 with 1 rules applied. Total rules applied 3849 place count 478 transition count 819
Applied a total of 3849 rules in 673 ms. Remains 478 /2585 variables (removed 2107) and now considering 819/3095 (removed 2276) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 683 ms. Remains : 478/2585 places, 819/3095 transitions.
RANDOM walk for 40000 steps (1745 resets) in 572 ms. (69 steps per ms) remains 7/12 properties
FORMULA CloudReconfiguration-PT-309-ReachabilityFireability-2024-15 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudReconfiguration-PT-309-ReachabilityFireability-2024-13 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudReconfiguration-PT-309-ReachabilityFireability-2024-11 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudReconfiguration-PT-309-ReachabilityFireability-2024-07 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudReconfiguration-PT-309-ReachabilityFireability-2024-00 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 40002 steps (447 resets) in 106 ms. (373 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40002 steps (433 resets) in 137 ms. (289 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40003 steps (413 resets) in 104 ms. (380 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40003 steps (421 resets) in 96 ms. (412 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40002 steps (415 resets) in 71 ms. (555 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40003 steps (442 resets) in 83 ms. (476 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40003 steps (411 resets) in 186 ms. (213 steps per ms) remains 7/7 properties
[2026-05-23 03:07:31] [INFO ] Flow matrix only has 814 transitions (discarded 5 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-2073687272211521195.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-6453604500165617942.kers'
[2026-05-23 03:07:31] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-2073687272211521195.kers, --Pflows, --basisKERS=/tmp/petrispot-output-6453604500165617942.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 814 rows 478 cols 1910 entries
Finished phase 1 with 477 SingleSign rule and 0 generalized
[2026-05-23 03:07:31] [INFO ] Computed 1 invariants in 3 ms
Computed 1 P flows in 3 ms.
Exported basis to /tmp/petrispot-output-6453604500165617942.kers
Total runtime 4 ms.
[2026-05-23 03:07:31] [INFO ] State equation strengthened by 4 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/63 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 1 (OVERLAPS) 123/186 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/186 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 7 unsolved
Invariant property CloudReconfiguration-PT-309-ReachabilityFireability-2024-00 does not hold.
SDD proceeding with computation,11 properties remain. new max is 8192
SDD size :17875 after 53575
At refinement iteration 3 (OVERLAPS) 453/639 variables, 186/187 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/639 variables, 1/188 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/639 variables, 0/188 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 6 (OVERLAPS) 396/1035 variables, 134/322 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1035 variables, 2/324 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/1035 variables, 0/324 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 9 (OVERLAPS) 193/1228 variables, 111/435 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1228 variables, 1/436 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1228 variables, 0/436 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 12 (OVERLAPS) 55/1283 variables, 40/476 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1283 variables, 0/476 constraints. Problems are: Problem set: 0 solved, 7 unsolved
Problem CloudReconfiguration-PT-309-ReachabilityFireability-2024-04 is UNSAT
FORMULA CloudReconfiguration-PT-309-ReachabilityFireability-2024-04 FALSE TECHNIQUES SMT_REFINEMENT
At refinement iteration 14 (OVERLAPS) 8/1291 variables, 6/482 constraints. Problems are: Problem set: 1 solved, 6 unsolved
SDD proceeding with computation,11 properties remain. new max is 16384
SDD size :53575 after 123766
At refinement iteration 15 (INCLUDED_ONLY) 0/1291 variables, 0/482 constraints. Problems are: Problem set: 1 solved, 6 unsolved
At refinement iteration 16 (OVERLAPS) 1/1292 variables, 1/483 constraints. Problems are: Problem set: 1 solved, 6 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1292 variables, 0/483 constraints. Problems are: Problem set: 1 solved, 6 unsolved
At refinement iteration 18 (OVERLAPS) 0/1292 variables, 0/483 constraints. Problems are: Problem set: 1 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1292/1292 variables, and 483 constraints, problems are : Problem set: 1 solved, 6 unsolved in 1918 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 478/478 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 7/5 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 solved, 6 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/43 variables, 0/0 constraints. Problems are: Problem set: 1 solved, 6 unsolved
Problem CloudReconfiguration-PT-309-ReachabilityFireability-2024-12 is UNSAT
FORMULA CloudReconfiguration-PT-309-ReachabilityFireability-2024-12 TRUE TECHNIQUES SMT_REFINEMENT
At refinement iteration 1 (OVERLAPS) 128/171 variables, 1/1 constraints. Problems are: Problem set: 2 solved, 5 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/171 variables, 0/1 constraints. Problems are: Problem set: 2 solved, 5 unsolved
At refinement iteration 3 (OVERLAPS) 414/585 variables, 171/172 constraints. Problems are: Problem set: 2 solved, 5 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/585 variables, 1/173 constraints. Problems are: Problem set: 2 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/585 variables, 0/173 constraints. Problems are: Problem set: 2 solved, 5 unsolved
At refinement iteration 6 (OVERLAPS) 383/968 variables, 121/294 constraints. Problems are: Problem set: 2 solved, 5 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/968 variables, 2/296 constraints. Problems are: Problem set: 2 solved, 5 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/968 variables, 4/300 constraints. Problems are: Problem set: 2 solved, 5 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/968 variables, 0/300 constraints. Problems are: Problem set: 2 solved, 5 unsolved
At refinement iteration 10 (OVERLAPS) 239/1207 variables, 122/422 constraints. Problems are: Problem set: 2 solved, 5 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1207 variables, 1/423 constraints. Problems are: Problem set: 2 solved, 5 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1207 variables, 0/423 constraints. Problems are: Problem set: 2 solved, 5 unsolved
At refinement iteration 13 (OVERLAPS) 72/1279 variables, 54/477 constraints. Problems are: Problem set: 2 solved, 5 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1279 variables, 0/477 constraints. Problems are: Problem set: 2 solved, 5 unsolved
At refinement iteration 15 (OVERLAPS) 12/1291 variables, 9/486 constraints. Problems are: Problem set: 2 solved, 5 unsolved
SDD proceeding with computation,11 properties remain. new max is 32768
SDD size :123766 after 8.40482e+06
At refinement iteration 16 (INCLUDED_ONLY) 0/1291 variables, 0/486 constraints. Problems are: Problem set: 2 solved, 5 unsolved
At refinement iteration 17 (OVERLAPS) 1/1292 variables, 1/487 constraints. Problems are: Problem set: 2 solved, 5 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1292 variables, 0/487 constraints. Problems are: Problem set: 2 solved, 5 unsolved
At refinement iteration 19 (OVERLAPS) 0/1292 variables, 0/487 constraints. Problems are: Problem set: 2 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1292/1292 variables, and 487 constraints, problems are : Problem set: 2 solved, 5 unsolved in 2229 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 478/478 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 4187ms problems are : Problem set: 2 solved, 5 unsolved
FORMULA CloudReconfiguration-PT-309-ReachabilityFireability-2024-02 TRUE TECHNIQUES PARIKH_WALK
FORMULA CloudReconfiguration-PT-309-ReachabilityFireability-2024-06 TRUE TECHNIQUES PARIKH_WALK
FORMULA CloudReconfiguration-PT-309-ReachabilityFireability-2024-10 TRUE TECHNIQUES PARIKH_WALK
FORMULA CloudReconfiguration-PT-309-ReachabilityFireability-2024-14 TRUE TECHNIQUES PARIKH_WALK
Parikh walk visited 4 properties in 338 ms.
Support contains 17 out of 478 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 478/478 places, 819/819 transitions.
Graph (trivial) has 621 edges and 478 vertex of which 151 / 478 are part of one of the 39 SCC in 1 ms
Free SCC test removed 112 places
Drop transitions (Empty/Sink Transition effects.) removed 177 transitions
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 183 transitions.
Graph (complete) has 810 edges and 366 vertex of which 365 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.0 ms
Discarding 1 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 118 transitions
Trivial Post-agglo rules discarded 118 transitions
Performed 118 trivial Post agglomeration. Transition count delta: 118
Iterating post reduction 0 with 119 rules applied. Total rules applied 121 place count 365 transition count 517
Reduce places removed 118 places and 0 transitions.
Ensure Unique test removed 17 transitions
Reduce isomorphic transitions removed 17 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 1 with 138 rules applied. Total rules applied 259 place count 247 transition count 497
Reduce places removed 3 places and 0 transitions.
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: 3
Iterating post reduction 2 with 8 rules applied. Total rules applied 267 place count 244 transition count 492
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 3 with 3 rules applied. Total rules applied 270 place count 241 transition count 492
Performed 15 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 15 Pre rules applied. Total rules applied 270 place count 241 transition count 477
Deduced a syphon composed of 15 places in 1 ms
Reduce places removed 15 places and 0 transitions.
Iterating global reduction 4 with 30 rules applied. Total rules applied 300 place count 226 transition count 477
Discarding 13 places :
Symmetric choice reduction at 4 with 13 rule applications. Total rules 313 place count 213 transition count 457
Iterating global reduction 4 with 13 rules applied. Total rules applied 326 place count 213 transition count 457
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 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 8 rules applied. Total rules applied 334 place count 213 transition count 449
Reduce places removed 2 places and 0 transitions.
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 5 with 4 rules applied. Total rules applied 338 place count 211 transition count 447
Discarding 6 places :
Symmetric choice reduction at 6 with 6 rule applications. Total rules 344 place count 205 transition count 437
Iterating global reduction 6 with 6 rules applied. Total rules applied 350 place count 205 transition count 437
Performed 58 Post agglomeration using F-continuation condition with reduction of 41 identical transitions.
Deduced a syphon composed of 58 places in 0 ms
Reduce places removed 58 places and 0 transitions.
Iterating global reduction 6 with 116 rules applied. Total rules applied 466 place count 147 transition count 338
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 6 with 5 rules applied. Total rules applied 471 place count 147 transition count 333
Discarding 5 places :
Symmetric choice reduction at 7 with 5 rule applications. Total rules 476 place count 142 transition count 324
Iterating global reduction 7 with 5 rules applied. Total rules applied 481 place count 142 transition count 324
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 7 with 2 rules applied. Total rules applied 483 place count 142 transition count 322
Discarding 1 places :
Symmetric choice reduction at 8 with 1 rule applications. Total rules 484 place count 141 transition count 320
Iterating global reduction 8 with 1 rules applied. Total rules applied 485 place count 141 transition count 320
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: 4
Deduced a syphon composed of 4 places in 0 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 8 with 8 rules applied. Total rules applied 493 place count 137 transition count 316
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 8 with 8 rules applied. Total rules applied 501 place count 137 transition count 308
Performed 23 Post agglomeration using F-continuation condition with reduction of 4 identical transitions.
Deduced a syphon composed of 23 places in 0 ms
Reduce places removed 23 places and 0 transitions.
Iterating global reduction 9 with 46 rules applied. Total rules applied 547 place count 114 transition count 349
Ensure Unique test removed 51 transitions
Reduce isomorphic transitions removed 51 transitions.
Iterating post reduction 9 with 51 rules applied. Total rules applied 598 place count 114 transition count 298
Discarding 17 places :
Symmetric choice reduction at 10 with 17 rule applications. Total rules 615 place count 97 transition count 245
Iterating global reduction 10 with 17 rules applied. Total rules applied 632 place count 97 transition count 245
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 10 with 5 rules applied. Total rules applied 637 place count 97 transition count 240
Discarding 10 places :
Symmetric choice reduction at 11 with 10 rule applications. Total rules 647 place count 87 transition count 226
Iterating global reduction 11 with 10 rules applied. Total rules applied 657 place count 87 transition count 226
Ensure Unique test removed 17 transitions
Reduce isomorphic transitions removed 17 transitions.
Iterating post reduction 11 with 17 rules applied. Total rules applied 674 place count 87 transition count 209
Drop transitions (Redundant composition of simpler transitions.) removed 11 transitions
Redundant transition composition rules discarded 11 transitions
Iterating global reduction 12 with 11 rules applied. Total rules applied 685 place count 87 transition count 198
Discarding 1 places :
Symmetric choice reduction at 12 with 1 rule applications. Total rules 686 place count 86 transition count 196
Iterating global reduction 12 with 1 rules applied. Total rules applied 687 place count 86 transition count 196
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 12 with 1 rules applied. Total rules applied 688 place count 86 transition count 195
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 13 with 2 rules applied. Total rules applied 690 place count 85 transition count 194
Free-agglomeration rule applied 8 times.
Iterating global reduction 13 with 8 rules applied. Total rules applied 698 place count 85 transition count 186
Reduce places removed 8 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 13 with 9 rules applied. Total rules applied 707 place count 77 transition count 185
Drop transitions (Redundant composition of simpler transitions.) removed 5 transitions
Redundant transition composition rules discarded 5 transitions
Iterating global reduction 14 with 5 rules applied. Total rules applied 712 place count 77 transition count 180
Partial Free-agglomeration rule applied 3 times.
Drop transitions (Partial Free agglomeration) removed 3 transitions
Iterating global reduction 14 with 3 rules applied. Total rules applied 715 place count 77 transition count 180
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 14 with 2 rules applied. Total rules applied 717 place count 77 transition count 178
Applied a total of 717 rules in 63 ms. Remains 77 /478 variables (removed 401) and now considering 178/819 (removed 641) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 63 ms. Remains : 77/478 places, 178/819 transitions.
RANDOM walk for 40000 steps (3568 resets) in 599 ms. (66 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40002 steps (36 resets) in 42 ms. (930 steps per ms) remains 1/1 properties
Finished probabilistic random walk after 61721 steps, run visited all 1 properties in 103 ms. (steps per millisecond=599 )
Probabilistic random walk after 61721 steps, saw 17331 distinct states, run finished after 106 ms. (steps per millisecond=582 ) properties seen :1
FORMULA CloudReconfiguration-PT-309-ReachabilityFireability-2024-05 TRUE TECHNIQUES TOPOLOGICAL PROBABILISTIC_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 13579 ms.

BK_STOP 1779505656908

--------------------
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-309"
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-309, 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-177946967600183"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/CloudReconfiguration-PT-309.tgz
mv CloudReconfiguration-PT-309 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 ;