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.r160-tall-177961080000313.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 gold2025
Input is GPUForwardProgress-PT-32b, examination is StableMarking
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r160-tall-177961080000313
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 552K
-rw-r--r-- 1 mcc users 6.9K Mar 7 11:38 CTLCardinality.txt
-rw-r--r-- 1 mcc users 72K Mar 7 11:38 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.3K Mar 7 11:38 CTLFireability.txt
-rw-r--r-- 1 mcc users 59K Mar 7 11:38 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.8K Mar 15 10:39 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K Mar 15 10:39 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K Mar 15 10:39 LTLFireability.txt
-rw-r--r-- 1 mcc users 20K Mar 15 10:39 LTLFireability.xml
-rw-r--r-- 1 mcc users 8.0K Mar 7 11:38 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 75K Mar 7 11:38 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.4K Mar 7 11:38 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 71K Mar 7 11:38 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Mar 15 10:39 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Mar 15 10:39 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 160K 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

FORMULA_NAME StableMarking

=== Now, execution of the tool begins

BK_START 1779702713432

Invoking MCC driver with
GOLD_TOOL=
BK_EXAMINATION=StableMarking
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=GPUForwardProgress-PT-32b
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
StableMarking PT
Running Version 202505121319
[2026-05-25 09:51:54] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, StableMarking, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 1800]
[2026-05-25 09:51:54] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-25 09:51:55] [INFO ] Load time of PNML (sax parser for PT used): 97 ms
[2026-05-25 09:51:55] [INFO ] Transformed 644 places.
[2026-05-25 09:51:55] [INFO ] Transformed 677 transitions.
[2026-05-25 09:51:55] [INFO ] Found NUPN structural information;
[2026-05-25 09:51:55] [INFO ] Parsed PT model containing 644 places and 677 transitions and 1677 arcs in 201 ms.
Graph (trivial) has 578 edges and 644 vertex of which 7 / 644 are part of one of the 1 SCC in 5 ms
Free SCC test removed 6 places
Structural test allowed to assert that 305 places are NOT stable. Took 23 ms.
Ensure Unique test removed 7 transitions
Reduce redundant transitions removed 7 transitions.
[2026-05-25 09:51:55] [INFO ] Flatten gal took : 187 ms
[2026-05-25 09:51:55] [INFO ] Flatten gal took : 84 ms
[2026-05-25 09:51:55] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality17213197359274791979.gal : 44 ms
[2026-05-25 09:51:55] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality12199490670421957293.prop : 8 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality17213197359274791979.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality12199490670421957293.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...330
RANDOM walk for 40000 steps (146 resets) in 2959 ms. (13 steps per ms) remains 234/339 properties
BEST_FIRST walk for 404 steps (8 resets) in 10 ms. (36 steps per ms) remains 234/234 properties
BEST_FIRST walk for 403 steps (8 resets) in 6 ms. (57 steps per ms) remains 234/234 properties
BEST_FIRST walk for 401 steps (8 resets) in 7 ms. (50 steps per ms) remains 234/234 properties
BEST_FIRST walk for 404 steps (8 resets) in 12 ms. (31 steps per ms) remains 234/234 properties
BEST_FIRST walk for 403 steps (8 resets) in 9 ms. (40 steps per ms) remains 234/234 properties
BEST_FIRST walk for 404 steps (8 resets) in 11 ms. (33 steps per ms) remains 234/234 properties
BEST_FIRST walk for 403 steps (8 resets) in 8 ms. (44 steps per ms) remains 234/234 properties
BEST_FIRST walk for 403 steps (8 resets) in 8 ms. (44 steps per ms) remains 234/234 properties
BEST_FIRST walk for 403 steps (8 resets) in 12 ms. (31 steps per ms) remains 234/234 properties
Loading property file /tmp/ReachabilityCardinality12199490670421957293.prop.
BEST_FIRST walk for 403 steps (8 resets) in 12 ms. (31 steps per ms) remains 234/234 properties
BEST_FIRST walk for 403 steps (8 resets) in 16 ms. (23 steps per ms) remains 234/234 properties
BEST_FIRST walk for 403 steps (8 resets) in 9 ms. (40 steps per ms) remains 234/234 properties
BEST_FIRST walk for 403 steps (8 resets) in 7 ms. (50 steps per ms) remains 234/234 properties
BEST_FIRST walk for 402 steps (8 resets) in 9 ms. (40 steps per ms) remains 234/234 properties
BEST_FIRST walk for 403 steps (8 resets) in 6 ms. (57 steps per ms) remains 234/234 properties
BEST_FIRST walk for 403 steps (8 resets) in 7 ms. (50 steps per ms) remains 234/234 properties
BEST_FIRST walk for 403 steps (8 resets) in 7 ms. (50 steps per ms) remains 234/234 properties
BEST_FIRST walk for 403 steps (8 resets) in 6 ms. (57 steps per ms) remains 234/234 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 234/234 properties
BEST_FIRST walk for 402 steps (8 resets) in 8 ms. (44 steps per ms) remains 234/234 properties
BEST_FIRST walk for 402 steps (8 resets) in 12 ms. (30 steps per ms) remains 234/234 properties
BEST_FIRST walk for 402 steps (8 resets) in 9 ms. (40 steps per ms) remains 234/234 properties
BEST_FIRST walk for 403 steps (8 resets) in 8 ms. (44 steps per ms) remains 234/234 properties
BEST_FIRST walk for 404 steps (8 resets) in 6 ms. (57 steps per ms) remains 234/234 properties
BEST_FIRST walk for 402 steps (8 resets) in 6 ms. (57 steps per ms) remains 234/234 properties
BEST_FIRST walk for 404 steps (8 resets) in 5 ms. (67 steps per ms) remains 234/234 properties
BEST_FIRST walk for 402 steps (8 resets) in 8 ms. (44 steps per ms) remains 234/234 properties
BEST_FIRST walk for 404 steps (8 resets) in 9 ms. (40 steps per ms) remains 234/234 properties
BEST_FIRST walk for 402 steps (8 resets) in 7 ms. (50 steps per ms) remains 234/234 properties
BEST_FIRST walk for 403 steps (8 resets) in 7 ms. (50 steps per ms) remains 234/234 properties
BEST_FIRST walk for 402 steps (8 resets) in 8 ms. (44 steps per ms) remains 234/234 properties
BEST_FIRST walk for 403 steps (8 resets) in 6 ms. (57 steps per ms) remains 234/234 properties
BEST_FIRST walk for 401 steps (8 resets) in 6 ms. (57 steps per ms) remains 234/234 properties
BEST_FIRST walk for 403 steps (8 resets) in 5 ms. (67 steps per ms) remains 234/234 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 234/234 properties
BEST_FIRST walk for 404 steps (8 resets) in 14 ms. (26 steps per ms) remains 234/234 properties
BEST_FIRST walk for 402 steps (8 resets) in 6 ms. (57 steps per ms) remains 234/234 properties
BEST_FIRST walk for 402 steps (8 resets) in 6 ms. (57 steps per ms) remains 234/234 properties
BEST_FIRST walk for 403 steps (8 resets) in 10 ms. (36 steps per ms) remains 234/234 properties
BEST_FIRST walk for 402 steps (8 resets) in 7 ms. (50 steps per ms) remains 234/234 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 234/234 properties
BEST_FIRST walk for 403 steps (8 resets) in 6 ms. (57 steps per ms) remains 234/234 properties
BEST_FIRST walk for 403 steps (8 resets) in 5 ms. (67 steps per ms) remains 234/234 properties
BEST_FIRST walk for 403 steps (8 resets) in 5 ms. (67 steps per ms) remains 234/234 properties
BEST_FIRST walk for 403 steps (8 resets) in 7 ms. (50 steps per ms) remains 234/234 properties
BEST_FIRST walk for 404 steps (8 resets) in 5 ms. (67 steps per ms) remains 234/234 properties
BEST_FIRST walk for 404 steps (8 resets) in 5 ms. (67 steps per ms) remains 234/234 properties
BEST_FIRST walk for 403 steps (8 resets) in 4 ms. (80 steps per ms) remains 234/234 properties
BEST_FIRST walk for 404 steps (8 resets) in 4 ms. (80 steps per ms) remains 234/234 properties
BEST_FIRST walk for 403 steps (8 resets) in 7 ms. (50 steps per ms) remains 234/234 properties
// Phase 1: matrix 670 rows 638 cols
[2026-05-25 09:51:56] [INFO ] Computed 34 invariants in 18 ms
[2026-05-25 09:51:56] [INFO ] State equation strengthened by 1 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
SDD proceeding with computation,339 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,339 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,339 properties remain. new max is 16
SDD size :10 after 19
SDD proceeding with computation,339 properties remain. new max is 32
SDD size :19 after 36
SDD proceeding with computation,339 properties remain. new max is 64
SDD size :36 after 97
SDD proceeding with computation,339 properties remain. new max is 128
SDD size :97 after 33382
SDD proceeding with computation,339 properties remain. new max is 256
SDD size :33382 after 8.74333e+09
SDD proceeding with computation,339 properties remain. new max is 512
SDD size :8.74333e+09 after 7.51046e+19
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/234 variables, 234/234 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/234 variables, 0/234 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 2 (OVERLAPS) 372/606 variables, 31/265 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/606 variables, 372/637 constraints. Problems are: Problem set: 0 solved, 234 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 606/1308 variables, and 637 constraints, problems are : Problem set: 0 solved, 234 unsolved in 5041 ms.
Refiners :[Domain max(s): 606/638 constraints, Generalized P Invariants (flows): 31/34 constraints, State Equation: 0/638 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 234/234 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 234 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/234 variables, 234/234 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/234 variables, 0/234 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 2 (OVERLAPS) 372/606 variables, 31/265 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/606 variables, 372/637 constraints. Problems are: Problem set: 0 solved, 234 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 606/1308 variables, and 637 constraints, problems are : Problem set: 0 solved, 234 unsolved in 5020 ms.
Refiners :[Domain max(s): 606/638 constraints, Generalized P Invariants (flows): 31/34 constraints, State Equation: 0/638 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 0/234 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 10170ms problems are : Problem set: 0 solved, 234 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 234 out of 638 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 638/638 places, 670/670 transitions.
Ensure Unique test removed 1 places
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 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 0 with 228 rules applied. Total rules applied 228 place count 637 transition count 443
Reduce places removed 226 places and 0 transitions.
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 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 1 with 233 rules applied. Total rules applied 461 place count 411 transition count 436
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 462 place count 410 transition count 436
Performed 39 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 39 Pre rules applied. Total rules applied 462 place count 410 transition count 397
Deduced a syphon composed of 39 places in 1 ms
Reduce places removed 39 places and 0 transitions.
Iterating global reduction 3 with 78 rules applied. Total rules applied 540 place count 371 transition count 397
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 543 place count 368 transition count 394
Iterating global reduction 3 with 3 rules applied. Total rules applied 546 place count 368 transition count 394
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 1 Pre rules applied. Total rules applied 546 place count 368 transition count 393
Deduced a syphon composed of 1 places in 2 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 548 place count 367 transition count 393
Performed 67 Post agglomeration using F-continuation condition.Transition count delta: 67
Deduced a syphon composed of 67 places in 0 ms
Reduce places removed 67 places and 0 transitions.
Iterating global reduction 3 with 134 rules applied. Total rules applied 682 place count 300 transition count 326
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 3 with 2 rules applied. Total rules applied 684 place count 300 transition count 324
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 3 places in 1 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 4 with 6 rules applied. Total rules applied 690 place count 297 transition count 324
Free-agglomeration rule applied 5 times.
Iterating global reduction 4 with 5 rules applied. Total rules applied 695 place count 297 transition count 319
Reduce places removed 5 places and 0 transitions.
Iterating post reduction 4 with 5 rules applied. Total rules applied 700 place count 292 transition count 319
Partial Free-agglomeration rule applied 10 times.
Drop transitions (Partial Free agglomeration) removed 10 transitions
Iterating global reduction 5 with 10 rules applied. Total rules applied 710 place count 292 transition count 319
Drop transitions (Empty/Sink Transition effects.) removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 5 with 5 rules applied. Total rules applied 715 place count 292 transition count 314
Partial Post-agglomeration rule applied 2 times.
Drop transitions (Partial Post agglomeration) removed 2 transitions
Iterating global reduction 6 with 2 rules applied. Total rules applied 717 place count 292 transition count 314
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 6 with 1 rules applied. Total rules applied 718 place count 291 transition count 313
Applied a total of 718 rules in 244 ms. Remains 291 /638 variables (removed 347) and now considering 313/670 (removed 357) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 250 ms. Remains : 291/638 places, 313/670 transitions.
RANDOM walk for 7777 steps (19 resets) in 257 ms. (30 steps per ms) remains 0/234 properties
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Able to resolve query StableMarking after proving 341 properties.
FORMULA StableMarking FALSE TECHNIQUES RANDOM_WALK MARKED_SUFFIX_TEST TRIVIAL_UNMARKED_SCC_TEST TOPOLOGICAL
Total runtime 11866 ms.

BK_STOP 1779702726741

--------------------
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
+ [[ StableMarking = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution StableMarking -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 1800
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202505121319.jar
+ VERSION=202505121319
+ echo 'Running Version 202505121319'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination StableMarking -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 1800

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="GPUForwardProgress-PT-32b"
export BK_EXAMINATION="StableMarking"
export BK_TOOL="gold2025"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="1800"
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 gold2025"
echo " Input is GPUForwardProgress-PT-32b, examination is StableMarking"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r160-tall-177961080000313"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/GPUForwardProgress-PT-32b.tgz
mv GPUForwardProgress-PT-32b execution
cd execution
if [ "StableMarking" = "ReachabilityDeadlock" ] || [ "StableMarking" = "UpperBounds" ] || [ "StableMarking" = "QuasiLiveness" ] || [ "StableMarking" = "StableMarking" ] || [ "StableMarking" = "Liveness" ] || [ "StableMarking" = "OneSafe" ] || [ "StableMarking" = "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 [ "StableMarking" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "StableMarking" != "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 "StableMarking.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 '' StableMarking.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "StableMarking" = "ReachabilityDeadlock" ] || [ "StableMarking" = "QuasiLiveness" ] || [ "StableMarking" = "StableMarking" ] || [ "StableMarking" = "Liveness" ] || [ "StableMarking" = "OneSafe" ] ; then
echo "FORMULA_NAME StableMarking"
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 ;