Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2024-input.r334-tall-171679080700631.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2024-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 2-5568
Executing tool itstools
Input is ServersAndClients-PT-100080, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r334-tall-171679080700631
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 5.3M
-rw-r--r-- 1 mcc users 8.9K May 14 13:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 89K May 14 13:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.4K May 14 13:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 52K May 14 13:22 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.3K Apr 23 07:50 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Apr 23 07:50 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.5K Apr 23 07:50 LTLFireability.txt
-rw-r--r-- 1 mcc users 16K Apr 23 07:50 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K Apr 13 15:57 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 92K Apr 13 15:57 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.2K Apr 13 15:54 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 59K Apr 13 15:54 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Apr 23 07:50 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.9K Apr 23 07:50 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 18 16:43 equiv_col
-rw-r--r-- 1 mcc users 7 May 18 16:43 instance
-rw-r--r-- 1 mcc users 6 May 18 16:43 iscolored
-rw-r--r-- 1 mcc users 4.9M May 18 16:43 model.pnml

--------------------
content from stdout:

=== Data for post analysis generated by BenchKit (invocation template)

The expected result is a vector of booleans
BOOL_VECTOR

here is the order used to build the result vector(from text file)
FORMULA_NAME ServersAndClients-PT-100080-ReachabilityFireability-2024-00
FORMULA_NAME ServersAndClients-PT-100080-ReachabilityFireability-2024-01
FORMULA_NAME ServersAndClients-PT-100080-ReachabilityFireability-2024-02
FORMULA_NAME ServersAndClients-PT-100080-ReachabilityFireability-2024-03
FORMULA_NAME ServersAndClients-PT-100080-ReachabilityFireability-2024-04
FORMULA_NAME ServersAndClients-PT-100080-ReachabilityFireability-2024-05
FORMULA_NAME ServersAndClients-PT-100080-ReachabilityFireability-2024-06
FORMULA_NAME ServersAndClients-PT-100080-ReachabilityFireability-2024-07
FORMULA_NAME ServersAndClients-PT-100080-ReachabilityFireability-2024-08
FORMULA_NAME ServersAndClients-PT-100080-ReachabilityFireability-2024-09
FORMULA_NAME ServersAndClients-PT-100080-ReachabilityFireability-2024-10
FORMULA_NAME ServersAndClients-PT-100080-ReachabilityFireability-2024-11
FORMULA_NAME ServersAndClients-PT-100080-ReachabilityFireability-2024-12
FORMULA_NAME ServersAndClients-PT-100080-ReachabilityFireability-2024-13
FORMULA_NAME ServersAndClients-PT-100080-ReachabilityFireability-2024-14
FORMULA_NAME ServersAndClients-PT-100080-ReachabilityFireability-2024-15

=== Now, execution of the tool begins

BK_START 1716861257188

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=ReachabilityFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=ServersAndClients-PT-100080
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityFireability PT
Running Version 202405141337
[2024-05-28 01:54:18] [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]
[2024-05-28 01:54:18] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-05-28 01:54:18] [INFO ] Load time of PNML (sax parser for PT used): 435 ms
[2024-05-28 01:54:18] [INFO ] Transformed 8481 places.
[2024-05-28 01:54:19] [INFO ] Transformed 16200 transitions.
[2024-05-28 01:54:19] [INFO ] Found NUPN structural information;
[2024-05-28 01:54:19] [INFO ] Parsed PT model containing 8481 places and 16200 transitions and 48800 arcs in 704 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 40 ms.
Working with output stream class java.io.PrintStream
[2024-05-28 01:54:21] [INFO ] Flatten gal took : 1251 ms
[2024-05-28 01:54:22] [INFO ] Flatten gal took : 477 ms
[2024-05-28 01:54:22] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality17171962267573196654.gal : 125 ms
[2024-05-28 01:54:22] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality12075954635050714921.prop : 3 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality17171962267573196654.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality12075954635050714921.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...330
Loading property file /tmp/ReachabilityCardinality12075954635050714921.prop.
RANDOM walk for 39404 steps (8 resets) in 66325 ms. (0 steps per ms) remains 7/16 properties
FORMULA ServersAndClients-PT-100080-ReachabilityFireability-2024-15 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ServersAndClients-PT-100080-ReachabilityFireability-2024-14 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ServersAndClients-PT-100080-ReachabilityFireability-2024-13 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ServersAndClients-PT-100080-ReachabilityFireability-2024-12 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ServersAndClients-PT-100080-ReachabilityFireability-2024-10 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ServersAndClients-PT-100080-ReachabilityFireability-2024-09 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ServersAndClients-PT-100080-ReachabilityFireability-2024-07 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ServersAndClients-PT-100080-ReachabilityFireability-2024-04 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ServersAndClients-PT-100080-ReachabilityFireability-2024-00 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 40004 steps (8 resets) in 554 ms. (72 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (8 resets) in 300 ms. (132 steps per ms) remains 6/7 properties
FORMULA ServersAndClients-PT-100080-ReachabilityFireability-2024-02 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 40004 steps (8 resets) in 724 ms. (55 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (8 resets) in 285 ms. (139 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (8 resets) in 281 ms. (141 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (8 resets) in 317 ms. (125 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (8 resets) in 261 ms. (152 steps per ms) remains 6/6 properties
// Phase 1: matrix 16200 rows 8481 cols
[2024-05-28 01:55:22] [INFO ] Computed 281 invariants in 250 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/110 variables, 110/110 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/110 variables, 0/110 constraints. Problems are: Problem set: 0 solved, 6 unsolved
Problem ServersAndClients-PT-100080-ReachabilityFireability-2024-03 is UNSAT
FORMULA ServersAndClients-PT-100080-ReachabilityFireability-2024-03 FALSE TECHNIQUES SMT_REFINEMENT
Problem ServersAndClients-PT-100080-ReachabilityFireability-2024-05 is UNSAT
FORMULA ServersAndClients-PT-100080-ReachabilityFireability-2024-05 FALSE TECHNIQUES SMT_REFINEMENT
Problem ServersAndClients-PT-100080-ReachabilityFireability-2024-08 is UNSAT
FORMULA ServersAndClients-PT-100080-ReachabilityFireability-2024-08 FALSE TECHNIQUES SMT_REFINEMENT
Problem ServersAndClients-PT-100080-ReachabilityFireability-2024-11 is UNSAT
FORMULA ServersAndClients-PT-100080-ReachabilityFireability-2024-11 FALSE TECHNIQUES SMT_REFINEMENT
At refinement iteration 2 (OVERLAPS) 8201/8311 variables, 109/219 constraints. Problems are: Problem set: 4 solved, 2 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8311 variables, 8201/8420 constraints. Problems are: Problem set: 4 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/8311 variables, 2/8422 constraints. Problems are: Problem set: 4 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/8311 variables, 0/8422 constraints. Problems are: Problem set: 4 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 72/8383 variables, 72/8494 constraints. Problems are: Problem set: 4 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/8383 variables, 72/8566 constraints. Problems are: Problem set: 4 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/8383 variables, 0/8566 constraints. Problems are: Problem set: 4 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 98/8481 variables, 98/8664 constraints. Problems are: Problem set: 4 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/8481 variables, 98/8762 constraints. Problems are: Problem set: 4 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/8481 variables, 0/8762 constraints. Problems are: Problem set: 4 solved, 2 unsolved
SMT process timed out in 5715ms, After SMT, problems are : Problem set: 4 solved, 2 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 49 out of 8481 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 8481/8481 places, 16200/16200 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 5726 transitions
Trivial Post-agglo rules discarded 5726 transitions
Performed 5726 trivial Post agglomeration. Transition count delta: 5726
Iterating post reduction 0 with 5726 rules applied. Total rules applied 5726 place count 8481 transition count 10474
Reduce places removed 5726 places and 0 transitions.
Performed 855 Post agglomeration using F-continuation condition.Transition count delta: 855
Iterating post reduction 1 with 6581 rules applied. Total rules applied 12307 place count 2755 transition count 9619
Reduce places removed 905 places and 0 transitions.
Ensure Unique test removed 4900 transitions
Reduce isomorphic transitions removed 4900 transitions.
Iterating post reduction 2 with 5805 rules applied. Total rules applied 18112 place count 1850 transition count 4719
Drop transitions (Redundant composition of simpler transitions.) removed 1581 transitions
Redundant transition composition rules discarded 1581 transitions
Iterating global reduction 3 with 1581 rules applied. Total rules applied 19693 place count 1850 transition count 3138
Partial Free-agglomeration rule applied 87 times.
Drop transitions (Partial Free agglomeration) removed 87 transitions
Iterating global reduction 3 with 87 rules applied. Total rules applied 19780 place count 1850 transition count 3138
Applied a total of 19780 rules in 1839 ms. Remains 1850 /8481 variables (removed 6631) and now considering 3138/16200 (removed 13062) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1851 ms. Remains : 1850/8481 places, 3138/16200 transitions.
RANDOM walk for 40000 steps (8 resets) in 989 ms. (40 steps per ms) remains 1/2 properties
FORMULA ServersAndClients-PT-100080-ReachabilityFireability-2024-06 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 40002 steps (8 resets) in 246 ms. (161 steps per ms) remains 1/1 properties
// Phase 1: matrix 3138 rows 1850 cols
[2024-05-28 01:55:30] [INFO ] Computed 231 invariants in 34 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/29 variables, 29/29 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/29 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 1627/1656 variables, 37/66 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/1656 variables, 1627/1693 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1656 variables, 0/1693 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 94/1750 variables, 94/1787 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1750 variables, 94/1881 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1750 variables, 0/1881 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 100/1850 variables, 100/1981 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1850 variables, 100/2081 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1850 variables, 0/2081 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 3138/4988 variables, 1850/3931 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/4988 variables, 0/3931 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/4988 variables, 0/3931 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 4988/4988 variables, and 3931 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1233 ms.
Refiners :[Domain max(s): 1850/1850 constraints, Positive P Invariants (semi-flows): 131/131 constraints, Generalized P Invariants (flows): 100/100 constraints, State Equation: 1850/1850 constraints, PredecessorRefiner: 1/0 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/29 variables, 29/29 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/29 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Problem ServersAndClients-PT-100080-ReachabilityFireability-2024-01 is UNSAT
FORMULA ServersAndClients-PT-100080-ReachabilityFireability-2024-01 TRUE TECHNIQUES SMT_REFINEMENT
After SMT solving in domain Int declared 1656/4988 variables, and 66 constraints, problems are : Problem set: 1 solved, 0 unsolved in 231 ms.
Refiners :[Domain max(s): 29/1850 constraints, Positive P Invariants (semi-flows): 37/131 constraints, Generalized P Invariants (flows): 0/100 constraints, State Equation: 0/1850 constraints, PredecessorRefiner: 1/0 constraints, Known Traps: 0/0 constraints]
After SMT, in 1549ms problems are : Problem set: 1 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
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 73267 ms.

BK_STOP 1716861331654

--------------------
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
+ export PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ export LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
+ LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202405141337.jar
+ VERSION=202405141337
+ echo 'Running Version 202405141337'
+ /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="ServersAndClients-PT-100080"
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 2-5568"
echo " Executing tool itstools"
echo " Input is ServersAndClients-PT-100080, 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 r334-tall-171679080700631"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/ServersAndClients-PT-100080.tgz
mv ServersAndClients-PT-100080 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.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property ReachabilityFireability.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -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 ;