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.r056-smll-177946902900058.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 Champagne-PT-H07T2O, examination is StableMarking
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r056-smll-177946902900058
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 720K
-rw-r--r-- 1 mcc users 8.3K Mar 6 10:48 CTLCardinality.txt
-rw-r--r-- 1 mcc users 93K Mar 6 10:48 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.6K Mar 6 10:48 CTLFireability.txt
-rw-r--r-- 1 mcc users 49K Mar 6 10:48 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.0K Mar 15 08:00 LTLCardinality.txt
-rw-r--r-- 1 mcc users 30K Mar 15 08:00 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K Mar 15 08:00 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Mar 15 08:00 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K Mar 6 10:48 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 109K Mar 6 10:48 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 6.9K Mar 6 10:48 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 55K Mar 6 10:48 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 15 08:00 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Mar 15 08:00 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 7 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 283K 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 1779473163759

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=StableMarking
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=Champagne-PT-H07T2O
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
StableMarking PT
Running Version 202604301425
[2026-05-22 18:06:06] [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]
[2026-05-22 18:06:06] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-22 18:06:06] [INFO ] Load time of PNML (sax parser for PT used): 322 ms
[2026-05-22 18:06:06] [INFO ] Transformed 1025 places.
[2026-05-22 18:06:06] [INFO ] Transformed 1282 transitions.
[2026-05-22 18:06:06] [INFO ] Found NUPN structural information;
[2026-05-22 18:06:06] [INFO ] Parsed PT model containing 1025 places and 1282 transitions and 3014 arcs in 584 ms.
Graph (trivial) has 1069 edges and 1025 vertex of which 529 / 1025 are part of one of the 27 SCC in 23 ms
Free SCC test removed 502 places
Structural test allowed to assert that 743 places are NOT stable. Took 80 ms.
Ensure Unique test removed 547 transitions
Reduce redundant transitions removed 547 transitions.
[2026-05-22 18:06:08] [INFO ] Flatten gal took : 332 ms
[2026-05-22 18:06:08] [INFO ] Flatten gal took : 99 ms
RANDOM walk for 40000 steps (153 resets) in 4075 ms. (9 steps per ms) remains 27/282 properties
BEST_FIRST walk for 4003 steps (8 resets) in 108 ms. (36 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (8 resets) in 42 ms. (93 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4003 steps (8 resets) in 32 ms. (121 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4003 steps (8 resets) in 37 ms. (105 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (8 resets) in 29 ms. (133 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (8 resets) in 26 ms. (148 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4003 steps (8 resets) in 24 ms. (160 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4003 steps (8 resets) in 27 ms. (142 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (8 resets) in 21 ms. (182 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (8 resets) in 13 ms. (286 steps per ms) remains 27/27 properties
[2026-05-22 18:06:08] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality14668782875470341117.gal : 129 ms
BEST_FIRST walk for 4004 steps (8 resets) in 20 ms. (190 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (8 resets) in 18 ms. (210 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (8 resets) in 15 ms. (250 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4003 steps (8 resets) in 10 ms. (363 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (8 resets) in 15 ms. (250 steps per ms) remains 27/27 properties
[2026-05-22 18:06:08] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality3611776359449406427.prop : 2 ms
BEST_FIRST walk for 4003 steps (8 resets) in 12 ms. (307 steps per ms) remains 27/27 properties
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/ReachabilityCardinality14668782875470341117.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality3611776359449406427.prop' '--nowitness' '--gen-order' 'FOLLOW'
BEST_FIRST walk for 4004 steps (8 resets) in 15 ms. (250 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (8 resets) in 14 ms. (266 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (8 resets) in 7 ms. (500 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (8 resets) in 19 ms. (200 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (8 resets) in 23 ms. (166 steps per ms) remains 27/27 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 4004 steps (8 resets) in 15 ms. (250 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (8 resets) in 8 ms. (444 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (8 resets) in 9 ms. (400 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4004 steps (8 resets) in 37 ms. (105 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4003 steps (8 resets) in 11 ms. (333 steps per ms) remains 27/27 properties
BEST_FIRST walk for 4003 steps (8 resets) in 10 ms. (363 steps per ms) remains 27/27 properties
Loading property file /tmp/ReachabilityCardinality3611776359449406427.prop.
[2026-05-22 18:06:08] [INFO ] Flow matrix only has 709 transitions (discarded 26 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-17910695864842226014.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-11994853137928981511.kers'
[2026-05-22 18:06:08] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-17910695864842226014.kers, --Pflows, --basisKERS=/tmp/petrispot-output-11994853137928981511.kers]
Normalized transition count is 708 out of 709 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 708 rows 523 cols 1866 entries
Finished phase 1 with 496 SingleSign rule and 0 generalized
[2026-05-22 18:06:08] [INFO ] Computed 27 invariants in 3 ms
Computed 27 P flows in 5 ms.
Exported basis to /tmp/petrispot-output-11994853137928981511.kers
Total runtime 6 ms.
[2026-05-22 18:06:08] [INFO ] State equation strengthened by 1 read => feed constraints.
SDD proceeding with computation,27 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,27 properties remain. new max is 8
SDD size :5 after 9
SDD proceeding with computation,27 properties remain. new max is 16
SDD size :9 after 20
SDD proceeding with computation,27 properties remain. new max is 32
SDD size :20 after 130
SDD proceeding with computation,27 properties remain. new max is 64
SDD size :130 after 5630
SDD proceeding with computation,27 properties remain. new max is 128
SDD size :5630 after 33622
SDD proceeding with computation,27 properties remain. new max is 256
All remaining problems are real, not stopping.
SDD size :33622 after 808741
At refinement iteration 0 (INCLUDED_ONLY) 0/27 variables, 27/27 constraints. Problems are: Problem set: 0 solved, 27 unsolved
SDD proceeding with computation,27 properties remain. new max is 512
SDD size :808741 after 811657
SDD proceeding with computation,27 properties remain. new max is 1024
SDD size :811657 after 817003
At refinement iteration 1 (INCLUDED_ONLY) 0/27 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 27 unsolved
SDD proceeding with computation,27 properties remain. new max is 2048
SDD size :817003 after 825973
SDD proceeding with computation,27 properties remain. new max is 4096
SDD size :825973 after 844822
At refinement iteration 2 (OVERLAPS) 496/523 variables, 27/54 constraints. Problems are: Problem set: 0 solved, 27 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/523 variables, 496/550 constraints. Problems are: Problem set: 0 solved, 27 unsolved
SDD proceeding with computation,27 properties remain. new max is 8192
SDD size :844822 after 898102
At refinement iteration 4 (INCLUDED_ONLY) 0/523 variables, 0/550 constraints. Problems are: Problem set: 0 solved, 27 unsolved
SDD proceeding with computation,27 properties remain. new max is 16384
SDD size :898102 after 1.06271e+07
At refinement iteration 5 (OVERLAPS) 708/1231 variables, 523/1073 constraints. Problems are: Problem set: 0 solved, 27 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1231 variables, 0/1073 constraints. Problems are: Problem set: 0 solved, 27 unsolved
At refinement iteration 7 (OVERLAPS) 1/1232 variables, 1/1074 constraints. Problems are: Problem set: 0 solved, 27 unsolved
SDD proceeding with computation,27 properties remain. new max is 32768
SDD size :1.06271e+07 after 2.95565e+08
At refinement iteration 8 (INCLUDED_ONLY) 0/1232 variables, 0/1074 constraints. Problems are: Problem set: 0 solved, 27 unsolved
At refinement iteration 9 (OVERLAPS) 0/1232 variables, 0/1074 constraints. Problems are: Problem set: 0 solved, 27 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1232/1232 variables, and 1074 constraints, problems are : Problem set: 0 solved, 27 unsolved in 4459 ms.
Refiners :[Domain max(s): 523/523 constraints, Positive P Invariants (semi-flows): 27/27 constraints, State Equation: 523/523 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 27/27 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 27 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/27 variables, 27/27 constraints. Problems are: Problem set: 0 solved, 27 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/27 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 27 unsolved
At refinement iteration 2 (OVERLAPS) 496/523 variables, 27/54 constraints. Problems are: Problem set: 0 solved, 27 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/523 variables, 496/550 constraints. Problems are: Problem set: 0 solved, 27 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/523 variables, 0/550 constraints. Problems are: Problem set: 0 solved, 27 unsolved
At refinement iteration 5 (OVERLAPS) 708/1231 variables, 523/1073 constraints. Problems are: Problem set: 0 solved, 27 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1231 variables, 27/1100 constraints. Problems are: Problem set: 0 solved, 27 unsolved
SDD proceeding with computation,27 properties remain. new max is 65536
SDD size :2.95565e+08 after 7.74756e+09
At refinement iteration 7 (INCLUDED_ONLY) 0/1231 variables, 0/1100 constraints. Problems are: Problem set: 0 solved, 27 unsolved
At refinement iteration 8 (OVERLAPS) 1/1232 variables, 1/1101 constraints. Problems are: Problem set: 0 solved, 27 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1232/1232 variables, and 1101 constraints, problems are : Problem set: 0 solved, 27 unsolved in 5012 ms.
Refiners :[Domain max(s): 523/523 constraints, Positive P Invariants (semi-flows): 27/27 constraints, State Equation: 523/523 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 27/27 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 9690ms problems are : Problem set: 0 solved, 27 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 27 out of 523 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 523/523 places, 735/735 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 27 transitions
Reduce isomorphic transitions removed 27 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 259 transitions
Trivial Post-agglo rules discarded 259 transitions
Performed 259 trivial Post agglomeration. Transition count delta: 259
Iterating post reduction 0 with 286 rules applied. Total rules applied 286 place count 523 transition count 449
Reduce places removed 259 places and 0 transitions.
Ensure Unique test removed 25 transitions
Reduce isomorphic transitions removed 25 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 25 transitions
Trivial Post-agglo rules discarded 25 transitions
Performed 25 trivial Post agglomeration. Transition count delta: 25
Iterating post reduction 1 with 309 rules applied. Total rules applied 595 place count 264 transition count 399
Reduce places removed 25 places and 0 transitions.
Iterating post reduction 2 with 25 rules applied. Total rules applied 620 place count 239 transition count 399
Discarding 65 places :
Symmetric choice reduction at 3 with 65 rule applications. Total rules 685 place count 174 transition count 334
Iterating global reduction 3 with 65 rules applied. Total rules applied 750 place count 174 transition count 334
Discarding 20 places :
Symmetric choice reduction at 3 with 20 rule applications. Total rules 770 place count 154 transition count 241
Iterating global reduction 3 with 20 rules applied. Total rules applied 790 place count 154 transition count 241
Ensure Unique test removed 20 transitions
Reduce isomorphic transitions removed 20 transitions.
Iterating post reduction 3 with 20 rules applied. Total rules applied 810 place count 154 transition count 221
Performed 52 Post agglomeration using F-continuation condition.Transition count delta: 52
Deduced a syphon composed of 52 places in 1 ms
Reduce places removed 52 places and 0 transitions.
Iterating global reduction 4 with 104 rules applied. Total rules applied 914 place count 102 transition count 169
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: -5
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 4 with 4 rules applied. Total rules applied 918 place count 100 transition count 174
Drop transitions (Empty/Sink Transition effects.) removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 4 with 4 rules applied. Total rules applied 922 place count 100 transition count 170
Drop transitions (Redundant composition of simpler transitions.) removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 5 with 2 rules applied. Total rules applied 924 place count 100 transition count 168
Free-agglomeration rule applied 43 times.
Iterating global reduction 5 with 43 rules applied. Total rules applied 967 place count 100 transition count 125
Reduce places removed 43 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 89 transitions
Reduce isomorphic transitions removed 89 transitions.
Iterating post reduction 5 with 132 rules applied. Total rules applied 1099 place count 57 transition count 36
Applied a total of 1099 rules in 179 ms. Remains 57 /523 variables (removed 466) and now considering 36/735 (removed 699) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 195 ms. Remains : 57/523 places, 36/735 transitions.
RANDOM walk for 12 steps (0 resets) in 7 ms. (1 steps per ms) remains 0/27 properties
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Able to resolve query StableMarking after proving 284 properties.
FORMULA StableMarking FALSE TECHNIQUES RANDOM_WALK MARKED_SUFFIX_TEST TRIVIAL_UNMARKED_SCC_TEST TOPOLOGICAL
Total runtime 12449 ms.

BK_STOP 1779473178791

--------------------
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_1.0.0.202604301425.jar
+ VERSION=202604301425
+ echo 'Running Version 202604301425'
+ /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="Champagne-PT-H07T2O"
export BK_EXAMINATION="StableMarking"
export BK_TOOL="itstools"
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 itstools"
echo " Input is Champagne-PT-H07T2O, 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 r056-smll-177946902900058"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Champagne-PT-H07T2O.tgz
mv Champagne-PT-H07T2O 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 ;