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.r098-tall-177955695700726.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 DLCshifumi-PT-4b, examination is ReachabilityCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r098-tall-177955695700726
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 5.6M
-rw-r--r-- 1 mcc users 6.7K Mar 6 17:38 CTLCardinality.txt
-rw-r--r-- 1 mcc users 70K Mar 6 17:38 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.1K Mar 6 17:38 CTLFireability.txt
-rw-r--r-- 1 mcc users 59K Mar 6 17:38 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.4K Mar 3 18:30 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.6K Mar 15 09:30 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Mar 15 09:30 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K Mar 15 09:30 LTLFireability.txt
-rw-r--r-- 1 mcc users 20K Mar 15 09:30 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K Mar 6 17:38 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 105K Mar 6 17:38 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.4K Mar 6 17:38 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 79K Mar 6 17:38 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Mar 15 09:30 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Mar 15 09:30 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 3 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 5.1M 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 DLCshifumi-PT-4b-ReachabilityCardinality-2024-00
FORMULA_NAME DLCshifumi-PT-4b-ReachabilityCardinality-2024-01
FORMULA_NAME DLCshifumi-PT-4b-ReachabilityCardinality-2024-02
FORMULA_NAME DLCshifumi-PT-4b-ReachabilityCardinality-2024-03
FORMULA_NAME DLCshifumi-PT-4b-ReachabilityCardinality-2024-04
FORMULA_NAME DLCshifumi-PT-4b-ReachabilityCardinality-2024-05
FORMULA_NAME DLCshifumi-PT-4b-ReachabilityCardinality-2024-06
FORMULA_NAME DLCshifumi-PT-4b-ReachabilityCardinality-2024-07
FORMULA_NAME DLCshifumi-PT-4b-ReachabilityCardinality-2024-08
FORMULA_NAME DLCshifumi-PT-4b-ReachabilityCardinality-2024-09
FORMULA_NAME DLCshifumi-PT-4b-ReachabilityCardinality-2024-10
FORMULA_NAME DLCshifumi-PT-4b-ReachabilityCardinality-2024-11
FORMULA_NAME DLCshifumi-PT-4b-ReachabilityCardinality-2024-12
FORMULA_NAME DLCshifumi-PT-4b-ReachabilityCardinality-2024-13
FORMULA_NAME DLCshifumi-PT-4b-ReachabilityCardinality-2024-14
FORMULA_NAME DLCshifumi-PT-4b-ReachabilityCardinality-2024-15

=== Now, execution of the tool begins

BK_START 1779657727804

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=ReachabilityCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=DLCshifumi-PT-4b
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityCardinality PT
Running Version 202604301425
[2026-05-24 21:22:08] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityCardinality, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2026-05-24 21:22:08] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-24 21:22:09] [INFO ] Load time of PNML (sax parser for PT used): 530 ms
[2026-05-24 21:22:09] [INFO ] Transformed 15015 places.
[2026-05-24 21:22:09] [INFO ] Transformed 21341 transitions.
[2026-05-24 21:22:09] [INFO ] Found NUPN structural information;
[2026-05-24 21:22:10] [INFO ] Parsed PT model containing 15015 places and 21341 transitions and 56284 arcs in 1105 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityCardinality.xml in 20 ms.
Working with output stream class java.io.PrintStream
FORMULA DLCshifumi-PT-4b-ReachabilityCardinality-2024-04 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DLCshifumi-PT-4b-ReachabilityCardinality-2024-05 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
RANDOM walk for 40000 steps (8 resets) in 2973 ms. (13 steps per ms) remains 9/14 properties
FORMULA DLCshifumi-PT-4b-ReachabilityCardinality-2024-14 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DLCshifumi-PT-4b-ReachabilityCardinality-2024-11 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DLCshifumi-PT-4b-ReachabilityCardinality-2024-07 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DLCshifumi-PT-4b-ReachabilityCardinality-2024-03 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DLCshifumi-PT-4b-ReachabilityCardinality-2024-02 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 40004 steps (8 resets) in 264 ms. (150 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (8 resets) in 198 ms. (201 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (8 resets) in 489 ms. (81 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (8 resets) in 178 ms. (223 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (8 resets) in 203 ms. (196 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40002 steps (8 resets) in 180 ms. (221 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (8 resets) in 471 ms. (84 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (8 resets) in 118 ms. (336 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40003 steps (8 resets) in 146 ms. (272 steps per ms) remains 9/9 properties
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-2141673448175237147.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-7246065776862089106.kers'
[2026-05-24 21:22:14] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-2141673448175237147.kers, --Pflows, --basisKERS=/tmp/petrispot-output-7246065776862089106.kers]
Culled 0 columns in 14 ms.
// Phase 1: matrix 21341 rows 15015 cols 56284 entries
[2026-05-24 21:22:14] [INFO ] Flatten gal took : 3045 ms
[2026-05-24 21:22:15] [INFO ] Flatten gal took : 413 ms
Finished phase 1 with 14324 SingleSign rule and 0 generalized
[2026-05-24 21:22:15] [INFO ] Computed 691 invariants in 533 ms
Computed 691 P flows in 540 ms.
Exported basis to /tmp/petrispot-output-7246065776862089106.kers
Total runtime 574 ms.
[2026-05-24 21:22:15] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality12875161750593812300.gal : 208 ms
[2026-05-24 21:22:15] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality17204857608723491140.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality12875161750593812300.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality17204857608723491140.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...330
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/64 variables, 64/64 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/64 variables, 0/64 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 2 (OVERLAPS) 10581/10645 variables, 473/537 constraints. Problems are: Problem set: 0 solved, 9 unsolved
Loading property file /tmp/ReachabilityCardinality17204857608723491140.prop.
At refinement iteration 3 (INCLUDED_ONLY) 0/10645 variables, 10581/11118 constraints. Problems are: Problem set: 0 solved, 9 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 10645/36356 variables, and 11118 constraints, problems are : Problem set: 0 solved, 9 unsolved in 5038 ms.
Refiners :[Domain max(s): 10645/15015 constraints, Positive P Invariants (semi-flows): 473/691 constraints, State Equation: 0/15015 constraints, PredecessorRefiner: 9/9 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 9 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/64 variables, 64/64 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/64 variables, 0/64 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 2 (OVERLAPS) 10581/10645 variables, 473/537 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/10645 variables, 10581/11118 constraints. Problems are: Problem set: 0 solved, 9 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 10645/36356 variables, and 11118 constraints, problems are : Problem set: 0 solved, 9 unsolved in 5019 ms.
Refiners :[Domain max(s): 10645/15015 constraints, Positive P Invariants (semi-flows): 473/691 constraints, State Equation: 0/15015 constraints, PredecessorRefiner: 0/9 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 11173ms problems are : Problem set: 0 solved, 9 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 64 out of 15015 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 15015/15015 places, 21341/21341 transitions.
Graph (trivial) has 14076 edges and 15015 vertex of which 1391 / 15015 are part of one of the 89 SCC in 64 ms
Free SCC test removed 1302 places
Drop transitions (Empty/Sink Transition effects.) removed 1471 transitions
Reduce isomorphic transitions removed 1471 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 7233 transitions
Trivial Post-agglo rules discarded 7233 transitions
Performed 7233 trivial Post agglomeration. Transition count delta: 7233
Iterating post reduction 0 with 7233 rules applied. Total rules applied 7234 place count 13713 transition count 12637
Reduce places removed 7233 places and 0 transitions.
Ensure Unique test removed 230 transitions
Reduce isomorphic transitions removed 230 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 226 transitions
Trivial Post-agglo rules discarded 226 transitions
Performed 226 trivial Post agglomeration. Transition count delta: 226
Iterating post reduction 1 with 7689 rules applied. Total rules applied 14923 place count 6480 transition count 12181
Reduce places removed 226 places and 0 transitions.
Ensure Unique test removed 69 transitions
Reduce isomorphic transitions removed 69 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 68 transitions
Trivial Post-agglo rules discarded 68 transitions
Performed 68 trivial Post agglomeration. Transition count delta: 68
Iterating post reduction 2 with 363 rules applied. Total rules applied 15286 place count 6254 transition count 12044
Reduce places removed 68 places and 0 transitions.
Performed 30 Post agglomeration using F-continuation condition.Transition count delta: 30
Iterating post reduction 3 with 98 rules applied. Total rules applied 15384 place count 6186 transition count 12014
Reduce places removed 30 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 4 with 31 rules applied. Total rules applied 15415 place count 6156 transition count 12013
Performed 104 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 5 with 104 Pre rules applied. Total rules applied 15415 place count 6156 transition count 11909
Deduced a syphon composed of 104 places in 176 ms
Reduce places removed 104 places and 0 transitions.
Iterating global reduction 5 with 208 rules applied. Total rules applied 15623 place count 6052 transition count 11909
Discarding 1674 places :
Symmetric choice reduction at 5 with 1674 rule applications. Total rules 17297 place count 4378 transition count 10235
Iterating global reduction 5 with 1674 rules applied. Total rules applied 18971 place count 4378 transition count 10235
Performed 656 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 5 with 656 Pre rules applied. Total rules applied 18971 place count 4378 transition count 9579
Deduced a syphon composed of 656 places in 169 ms
Reduce places removed 656 places and 0 transitions.
Iterating global reduction 5 with 1312 rules applied. Total rules applied 20283 place count 3722 transition count 9579
Discarding 167 places :
Symmetric choice reduction at 5 with 167 rule applications. Total rules 20450 place count 3555 transition count 6913
Iterating global reduction 5 with 167 rules applied. Total rules applied 20617 place count 3555 transition count 6913
Ensure Unique test removed 147 transitions
Reduce isomorphic transitions removed 147 transitions.
Iterating post reduction 5 with 147 rules applied. Total rules applied 20764 place count 3555 transition count 6766
Performed 891 Post agglomeration using F-continuation condition with reduction of 4 identical transitions.
Deduced a syphon composed of 891 places in 2 ms
Reduce places removed 891 places and 0 transitions.
Iterating global reduction 6 with 1782 rules applied. Total rules applied 22546 place count 2664 transition count 5871
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 6 with 4 rules applied. Total rules applied 22550 place count 2664 transition count 5867
Renaming transitions due to excessive name length > 1024 char.
Performed 101 Post agglomeration using F-continuation condition with reduction of 124 identical transitions.
Deduced a syphon composed of 101 places in 3 ms
Reduce places removed 101 places and 0 transitions.
Iterating global reduction 7 with 202 rules applied. Total rules applied 22752 place count 2563 transition count 6199
Discarding 31 places :
Symmetric choice reduction at 7 with 31 rule applications. Total rules 22783 place count 2532 transition count 5951
Iterating global reduction 7 with 31 rules applied. Total rules applied 22814 place count 2532 transition count 5951
Ensure Unique test removed 124 transitions
Reduce isomorphic transitions removed 124 transitions.
Iterating post reduction 7 with 124 rules applied. Total rules applied 22938 place count 2532 transition count 5827
Performed 101 Post agglomeration using F-continuation condition with reduction of 120 identical transitions.
Deduced a syphon composed of 101 places in 1 ms
Reduce places removed 101 places and 0 transitions.
Iterating global reduction 8 with 202 rules applied. Total rules applied 23140 place count 2431 transition count 6157
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 8 with 2 rules applied. Total rules applied 23142 place count 2431 transition count 6155
Discarding 32 places :
Symmetric choice reduction at 9 with 32 rule applications. Total rules 23174 place count 2399 transition count 5899
Iterating global reduction 9 with 32 rules applied. Total rules applied 23206 place count 2399 transition count 5899
Ensure Unique test removed 112 transitions
Reduce isomorphic transitions removed 112 transitions.
Iterating post reduction 9 with 112 rules applied. Total rules applied 23318 place count 2399 transition count 5787
Performed 53 Post agglomeration using F-continuation condition with reduction of 36 identical transitions.
Deduced a syphon composed of 53 places in 1 ms
Reduce places removed 53 places and 0 transitions.
Iterating global reduction 10 with 106 rules applied. Total rules applied 23424 place count 2346 transition count 6061
Drop transitions (Empty/Sink Transition effects.) removed 42 transitions
Reduce isomorphic transitions removed 42 transitions.
Iterating post reduction 10 with 42 rules applied. Total rules applied 23466 place count 2346 transition count 6019
Discarding 9 places :
Symmetric choice reduction at 11 with 9 rule applications. Total rules 23475 place count 2337 transition count 5946
Iterating global reduction 11 with 9 rules applied. Total rules applied 23484 place count 2337 transition count 5946
Ensure Unique test removed 36 transitions
Reduce isomorphic transitions removed 36 transitions.
Iterating post reduction 11 with 36 rules applied. Total rules applied 23520 place count 2337 transition count 5910
Drop transitions (Redundant composition of simpler transitions.) removed 86 transitions
Redundant transition composition rules discarded 86 transitions
Iterating global reduction 12 with 86 rules applied. Total rules applied 23606 place count 2337 transition count 5824
Discarding 8 places :
Symmetric choice reduction at 12 with 8 rule applications. Total rules 23614 place count 2329 transition count 5816
Iterating global reduction 12 with 8 rules applied. Total rules applied 23622 place count 2329 transition count 5816
Discarding 8 places :
Symmetric choice reduction at 12 with 8 rule applications. Total rules 23630 place count 2321 transition count 5172
Iterating global reduction 12 with 8 rules applied. Total rules applied 23638 place count 2321 transition count 5172
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 12 with 8 rules applied. Total rules applied 23646 place count 2321 transition count 5164
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: 4
Deduced a syphon composed of 4 places in 1 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 13 with 8 rules applied. Total rules applied 23654 place count 2317 transition count 5160
Discarding 4 places :
Symmetric choice reduction at 13 with 4 rule applications. Total rules 23658 place count 2313 transition count 4838
Iterating global reduction 13 with 4 rules applied. Total rules applied 23662 place count 2313 transition count 4838
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 13 with 4 rules applied. Total rules applied 23666 place count 2313 transition count 4834
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: -27
Deduced a syphon composed of 4 places in 1 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 14 with 8 rules applied. Total rules applied 23674 place count 2309 transition count 4861
Drop transitions (Empty/Sink Transition effects.) removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 14 with 4 rules applied. Total rules applied 23678 place count 2309 transition count 4857
Drop transitions (Redundant composition of simpler transitions.) removed 19 transitions
Redundant transition composition rules discarded 19 transitions
Iterating global reduction 15 with 19 rules applied. Total rules applied 23697 place count 2309 transition count 4838
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: -23
Deduced a syphon composed of 3 places in 1 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 15 with 6 rules applied. Total rules applied 23703 place count 2306 transition count 4861
Drop transitions (Empty/Sink Transition effects.) removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 15 with 5 rules applied. Total rules applied 23708 place count 2306 transition count 4856
Drop transitions (Redundant composition of simpler transitions.) removed 18 transitions
Redundant transition composition rules discarded 18 transitions
Iterating global reduction 16 with 18 rules applied. Total rules applied 23726 place count 2306 transition count 4838
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: -23
Deduced a syphon composed of 3 places in 1 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 16 with 6 rules applied. Total rules applied 23732 place count 2303 transition count 4861
Drop transitions (Empty/Sink Transition effects.) removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 16 with 4 rules applied. Total rules applied 23736 place count 2303 transition count 4857
Drop transitions (Redundant composition of simpler transitions.) removed 19 transitions
Redundant transition composition rules discarded 19 transitions
Iterating global reduction 17 with 19 rules applied. Total rules applied 23755 place count 2303 transition count 4838
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: -25
Deduced a syphon composed of 3 places in 1 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 17 with 6 rules applied. Total rules applied 23761 place count 2300 transition count 4863
Drop transitions (Empty/Sink Transition effects.) removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 17 with 5 rules applied. Total rules applied 23766 place count 2300 transition count 4858
Drop transitions (Redundant composition of simpler transitions.) removed 18 transitions
Redundant transition composition rules discarded 18 transitions
Iterating global reduction 18 with 18 rules applied. Total rules applied 23784 place count 2300 transition count 4840
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: -24
Deduced a syphon composed of 3 places in 2 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 18 with 6 rules applied. Total rules applied 23790 place count 2297 transition count 4864
Drop transitions (Empty/Sink Transition effects.) removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 18 with 4 rules applied. Total rules applied 23794 place count 2297 transition count 4860
Drop transitions (Redundant composition of simpler transitions.) removed 19 transitions
Redundant transition composition rules discarded 19 transitions
Iterating global reduction 19 with 19 rules applied. Total rules applied 23813 place count 2297 transition count 4841
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: -23
Deduced a syphon composed of 3 places in 0 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 19 with 6 rules applied. Total rules applied 23819 place count 2294 transition count 4864
Drop transitions (Empty/Sink Transition effects.) removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 19 with 5 rules applied. Total rules applied 23824 place count 2294 transition count 4859
Drop transitions (Redundant composition of simpler transitions.) removed 18 transitions
Redundant transition composition rules discarded 18 transitions
Iterating global reduction 20 with 18 rules applied. Total rules applied 23842 place count 2294 transition count 4841
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: -23
Deduced a syphon composed of 3 places in 1 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 20 with 6 rules applied. Total rules applied 23848 place count 2291 transition count 4864
Drop transitions (Empty/Sink Transition effects.) removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 20 with 4 rules applied. Total rules applied 23852 place count 2291 transition count 4860
Drop transitions (Redundant composition of simpler transitions.) removed 19 transitions
Redundant transition composition rules discarded 19 transitions
Iterating global reduction 21 with 19 rules applied. Total rules applied 23871 place count 2291 transition count 4841
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: -23
Deduced a syphon composed of 3 places in 1 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 21 with 6 rules applied. Total rules applied 23877 place count 2288 transition count 4864
Drop transitions (Empty/Sink Transition effects.) removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 21 with 4 rules applied. Total rules applied 23881 place count 2288 transition count 4860
Drop transitions (Redundant composition of simpler transitions.) removed 14 transitions
Redundant transition composition rules discarded 14 transitions
Iterating global reduction 22 with 14 rules applied. Total rules applied 23895 place count 2288 transition count 4846
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: -18
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 22 with 4 rules applied. Total rules applied 23899 place count 2286 transition count 4864
Drop transitions (Empty/Sink Transition effects.) removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 22 with 3 rules applied. Total rules applied 23902 place count 2286 transition count 4861
Drop transitions (Redundant composition of simpler transitions.) removed 15 transitions
Redundant transition composition rules discarded 15 transitions
Iterating global reduction 23 with 15 rules applied. Total rules applied 23917 place count 2286 transition count 4846
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: -18
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 23 with 4 rules applied. Total rules applied 23921 place count 2284 transition count 4864
Drop transitions (Empty/Sink Transition effects.) removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 23 with 3 rules applied. Total rules applied 23924 place count 2284 transition count 4861
Drop transitions (Redundant composition of simpler transitions.) removed 15 transitions
Redundant transition composition rules discarded 15 transitions
Iterating global reduction 24 with 15 rules applied. Total rules applied 23939 place count 2284 transition count 4846
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: -18
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 24 with 4 rules applied. Total rules applied 23943 place count 2282 transition count 4864
Drop transitions (Empty/Sink Transition effects.) removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 24 with 3 rules applied. Total rules applied 23946 place count 2282 transition count 4861
Drop transitions (Redundant composition of simpler transitions.) removed 15 transitions
Redundant transition composition rules discarded 15 transitions
Iterating global reduction 25 with 15 rules applied. Total rules applied 23961 place count 2282 transition count 4846
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: -18
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 25 with 4 rules applied. Total rules applied 23965 place count 2280 transition count 4864
Drop transitions (Empty/Sink Transition effects.) removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 25 with 3 rules applied. Total rules applied 23968 place count 2280 transition count 4861
Drop transitions (Redundant composition of simpler transitions.) removed 15 transitions
Redundant transition composition rules discarded 15 transitions
Iterating global reduction 26 with 15 rules applied. Total rules applied 23983 place count 2280 transition count 4846
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: -19
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 26 with 4 rules applied. Total rules applied 23987 place count 2278 transition count 4865
Drop transitions (Empty/Sink Transition effects.) removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 26 with 3 rules applied. Total rules applied 23990 place count 2278 transition count 4862
Drop transitions (Redundant composition of simpler transitions.) removed 16 transitions
Redundant transition composition rules discarded 16 transitions
Iterating global reduction 27 with 16 rules applied. Total rules applied 24006 place count 2278 transition count 4846
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: -18
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 27 with 4 rules applied. Total rules applied 24010 place count 2276 transition count 4864
Drop transitions (Empty/Sink Transition effects.) removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 27 with 3 rules applied. Total rules applied 24013 place count 2276 transition count 4861
Drop transitions (Redundant composition of simpler transitions.) removed 15 transitions
Redundant transition composition rules discarded 15 transitions
Iterating global reduction 28 with 15 rules applied. Total rules applied 24028 place count 2276 transition count 4846
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: -19
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 28 with 4 rules applied. Total rules applied 24032 place count 2274 transition count 4865
Drop transitions (Empty/Sink Transition effects.) removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 28 with 3 rules applied. Total rules applied 24035 place count 2274 transition count 4862
Drop transitions (Redundant composition of simpler transitions.) removed 11 transitions
Redundant transition composition rules discarded 11 transitions
Iterating global reduction 29 with 11 rules applied. Total rules applied 24046 place count 2274 transition count 4851
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -11
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 29 with 2 rules applied. Total rules applied 24048 place count 2273 transition count 4862
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 29 with 1 rules applied. Total rules applied 24049 place count 2273 transition count 4861
Drop transitions (Redundant composition of simpler transitions.) removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 30 with 2 rules applied. Total rules applied 24051 place count 2273 transition count 4859
Free-agglomeration rule applied 1322 times with reduction of 779 identical transitions.
Iterating global reduction 30 with 1322 rules applied. Total rules applied 25373 place count 2273 transition count 2758
Reduce places removed 1322 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 1479 transitions
Ensure Unique test removed 10 transitions
Reduce isomorphic transitions removed 1489 transitions.
Graph (complete) has 2170 edges and 951 vertex of which 571 are kept as prefixes of interest. Removing 380 places using SCC suffix rule.3 ms
Discarding 380 places :
Also discarding 343 output transitions
Drop transitions (Output transitions of discarded places.) removed 343 transitions
Iterating post reduction 30 with 2812 rules applied. Total rules applied 28185 place count 571 transition count 926
Drop transitions (Empty/Sink Transition effects.) removed 71 transitions
Ensure Unique test removed 37 transitions
Reduce isomorphic transitions removed 108 transitions.
Iterating post reduction 31 with 108 rules applied. Total rules applied 28293 place count 571 transition count 818
Discarding 175 places :
Symmetric choice reduction at 32 with 175 rule applications. Total rules 28468 place count 396 transition count 580
Iterating global reduction 32 with 175 rules applied. Total rules applied 28643 place count 396 transition count 580
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 32 with 1 rules applied. Total rules applied 28644 place count 396 transition count 579
Drop transitions (Redundant composition of simpler transitions.) removed 31 transitions
Redundant transition composition rules discarded 31 transitions
Iterating global reduction 33 with 31 rules applied. Total rules applied 28675 place count 396 transition count 548
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 33 with 2 rules applied. Total rules applied 28677 place count 394 transition count 548
Applied a total of 28677 rules in 10243 ms. Remains 394 /15015 variables (removed 14621) and now considering 548/21341 (removed 20793) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 10250 ms. Remains : 394/15015 places, 548/21341 transitions.
RANDOM walk for 40000 steps (8 resets) in 1447 ms. (27 steps per ms) remains 2/9 properties
FORMULA DLCshifumi-PT-4b-ReachabilityCardinality-2024-15 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DLCshifumi-PT-4b-ReachabilityCardinality-2024-13 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DLCshifumi-PT-4b-ReachabilityCardinality-2024-12 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DLCshifumi-PT-4b-ReachabilityCardinality-2024-09 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DLCshifumi-PT-4b-ReachabilityCardinality-2024-06 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DLCshifumi-PT-4b-ReachabilityCardinality-2024-01 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DLCshifumi-PT-4b-ReachabilityCardinality-2024-00 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 40004 steps (8 resets) in 244 ms. (163 steps per ms) remains 1/2 properties
FORMULA DLCshifumi-PT-4b-ReachabilityCardinality-2024-08 FALSE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 40004 steps (8 resets) in 206 ms. (193 steps per ms) remains 1/1 properties
[2026-05-24 21:22:36] [INFO ] Flow matrix only has 396 transitions (discarded 152 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-16111964115358256407.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-5849956606355202124.kers'
[2026-05-24 21:22:36] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-16111964115358256407.kers, --Pflows, --basisKERS=/tmp/petrispot-output-5849956606355202124.kers]
Culling duplicate invariants (modulo rational): removing 100 columns.
Culled 100 columns in 0 ms.
// Phase 1: matrix 396 rows 294 cols 1603 entries
Finished phase 1 with 190 SingleSign rule and 0 generalized
[2026-05-24 21:22:36] [INFO ] Computed 204 invariants in 2 ms
Computed 204 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-5849956606355202124.kers
Total runtime 3 ms.
[2026-05-24 21:22:36] [INFO ] State equation strengthened by 194 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 54/74 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/74 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 251/325 variables, 121/140 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/325 variables, 0/140 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 64/389 variables, 64/204 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/389 variables, 0/204 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 391/780 variables, 389/593 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/780 variables, 194/787 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/780 variables, 0/787 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 6/786 variables, 3/790 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/786 variables, 0/790 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 4/790 variables, 2/792 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/790 variables, 0/792 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/790 variables, 0/792 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 790/790 variables, and 792 constraints, problems are : Problem set: 0 solved, 1 unsolved in 333 ms.
Refiners :[Positive P Invariants (semi-flows): 140/140 constraints, Generalized P Invariants (flows): 64/64 constraints, State Equation: 394/394 constraints, ReadFeed: 194/194 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 54/74 variables, 19/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/74 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 251/325 variables, 121/140 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/325 variables, 0/140 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 64/389 variables, 64/204 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/389 variables, 0/204 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 391/780 variables, 389/593 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/780 variables, 194/787 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/780 variables, 1/788 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/780 variables, 0/788 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 6/786 variables, 3/791 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/786 variables, 0/791 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 4/790 variables, 2/793 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/790 variables, 0/793 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/790 variables, 0/793 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 790/790 variables, and 793 constraints, problems are : Problem set: 0 solved, 1 unsolved in 626 ms.
Refiners :[Positive P Invariants (semi-flows): 140/140 constraints, Generalized P Invariants (flows): 64/64 constraints, State Equation: 394/394 constraints, ReadFeed: 194/194 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 987ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 59 steps, including 0 resets, run visited all 1 properties in 2 ms. (steps per millisecond=29 )
FORMULA DLCshifumi-PT-4b-ReachabilityCardinality-2024-10 TRUE TECHNIQUES PARIKH_WALK
Parikh walk visited 1 properties in 14 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 28450 ms.

BK_STOP 1779657757456

--------------------
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
+ [[ ReachabilityCardinality = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution ReachabilityCardinality -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 ReachabilityCardinality -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="DLCshifumi-PT-4b"
export BK_EXAMINATION="ReachabilityCardinality"
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 DLCshifumi-PT-4b, examination is ReachabilityCardinality"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r098-tall-177955695700726"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DLCshifumi-PT-4b.tgz
mv DLCshifumi-PT-4b execution
cd execution
if [ "ReachabilityCardinality" = "ReachabilityDeadlock" ] || [ "ReachabilityCardinality" = "UpperBounds" ] || [ "ReachabilityCardinality" = "QuasiLiveness" ] || [ "ReachabilityCardinality" = "StableMarking" ] || [ "ReachabilityCardinality" = "Liveness" ] || [ "ReachabilityCardinality" = "OneSafe" ] || [ "ReachabilityCardinality" = "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 [ "ReachabilityCardinality" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "ReachabilityCardinality" != "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 "ReachabilityCardinality.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 '' ReachabilityCardinality.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "ReachabilityCardinality" = "ReachabilityDeadlock" ] || [ "ReachabilityCardinality" = "QuasiLiveness" ] || [ "ReachabilityCardinality" = "StableMarking" ] || [ "ReachabilityCardinality" = "Liveness" ] || [ "ReachabilityCardinality" = "OneSafe" ] ; then
echo "FORMULA_NAME ReachabilityCardinality"
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 ;