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.r365-tall-171683779500518.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 ShieldRVs-PT-030B, examination is StableMarking
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r365-tall-171683779500518
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 820K
-rw-r--r-- 1 mcc users 5.6K May 14 13:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 59K May 14 13:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.9K May 14 13:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 55K May 14 13:22 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 18 16:43 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.4K May 19 07:16 LTLCardinality.txt
-rw-r--r-- 1 mcc users 24K May 19 16:37 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.0K May 19 07:32 LTLFireability.txt
-rw-r--r-- 1 mcc users 15K May 19 19:15 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K Apr 12 17:22 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 122K Apr 12 17:22 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 11K Apr 12 17:22 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 92K Apr 12 17:22 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Apr 23 07:55 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Apr 23 07:55 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 18 16:43 equiv_col
-rw-r--r-- 1 mcc users 5 May 18 16:43 instance
-rw-r--r-- 1 mcc users 6 May 18 16:43 iscolored
-rw-r--r-- 1 mcc users 370K 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

FORMULA_NAME StableMarking

=== Now, execution of the tool begins

BK_START 1716917061829

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=StableMarking
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=ShieldRVs-PT-030B
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
StableMarking PT
Running Version 202405141337
[2024-05-28 17:24:23] [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]
[2024-05-28 17:24:23] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-05-28 17:24:23] [INFO ] Load time of PNML (sax parser for PT used): 134 ms
[2024-05-28 17:24:23] [INFO ] Transformed 1203 places.
[2024-05-28 17:24:23] [INFO ] Transformed 1353 transitions.
[2024-05-28 17:24:23] [INFO ] Found NUPN structural information;
[2024-05-28 17:24:23] [INFO ] Parsed PT model containing 1203 places and 1353 transitions and 4320 arcs in 283 ms.
Structural test allowed to assert that 571 places are NOT stable. Took 14 ms.
[2024-05-28 17:24:24] [INFO ] Flatten gal took : 300 ms
[2024-05-28 17:24:24] [INFO ] Flatten gal took : 193 ms
RANDOM walk for 40000 steps (28 resets) in 3268 ms. (12 steps per ms) remains 26/632 properties
BEST_FIRST walk for 4004 steps (8 resets) in 26 ms. (148 steps per ms) remains 26/26 properties
BEST_FIRST walk for 4004 steps (8 resets) in 13 ms. (286 steps per ms) remains 26/26 properties
BEST_FIRST walk for 4004 steps (8 resets) in 21 ms. (182 steps per ms) remains 26/26 properties
BEST_FIRST walk for 4004 steps (8 resets) in 43 ms. (91 steps per ms) remains 26/26 properties
BEST_FIRST walk for 4004 steps (8 resets) in 26 ms. (148 steps per ms) remains 26/26 properties
BEST_FIRST walk for 4004 steps (8 resets) in 13 ms. (286 steps per ms) remains 26/26 properties
BEST_FIRST walk for 4004 steps (8 resets) in 12 ms. (308 steps per ms) remains 26/26 properties
BEST_FIRST walk for 4004 steps (8 resets) in 18 ms. (210 steps per ms) remains 26/26 properties
[2024-05-28 17:24:24] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality4049469415342013297.gal : 67 ms
BEST_FIRST walk for 4002 steps (8 resets) in 26 ms. (148 steps per ms) remains 26/26 properties
BEST_FIRST walk for 4004 steps (8 resets) in 12 ms. (308 steps per ms) remains 26/26 properties
BEST_FIRST walk for 4004 steps (8 resets) in 21 ms. (182 steps per ms) remains 26/26 properties
[2024-05-28 17:24:24] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality10468299863662996143.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality4049469415342013297.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality10468299863662996143.prop' '--nowitness' '--gen-order' 'FOLLOW'
BEST_FIRST walk for 4003 steps (8 resets) in 29 ms. (133 steps per ms) remains 26/26 properties
BEST_FIRST walk for 4004 steps (8 resets) in 15 ms. (250 steps per ms) remains 26/26 properties
BEST_FIRST walk for 4003 steps (8 resets) in 14 ms. (266 steps per ms) remains 26/26 properties
BEST_FIRST walk for 4004 steps (8 resets) in 17 ms. (222 steps per ms) remains 26/26 properties
BEST_FIRST walk for 4004 steps (8 resets) in 20 ms. (190 steps per ms) remains 26/26 properties
BEST_FIRST walk for 4004 steps (8 resets) in 14 ms. (266 steps per ms) remains 26/26 properties
BEST_FIRST walk for 4004 steps (8 resets) in 11 ms. (333 steps per ms) remains 26/26 properties

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 ...329
BEST_FIRST walk for 4004 steps (8 resets) in 38 ms. (102 steps per ms) remains 26/26 properties
BEST_FIRST walk for 4004 steps (8 resets) in 12 ms. (308 steps per ms) remains 26/26 properties
BEST_FIRST walk for 4004 steps (8 resets) in 11 ms. (333 steps per ms) remains 26/26 properties
BEST_FIRST walk for 4004 steps (8 resets) in 23 ms. (166 steps per ms) remains 26/26 properties
BEST_FIRST walk for 4004 steps (8 resets) in 10 ms. (364 steps per ms) remains 26/26 properties
BEST_FIRST walk for 4004 steps (8 resets) in 17 ms. (222 steps per ms) remains 26/26 properties
BEST_FIRST walk for 4004 steps (8 resets) in 13 ms. (286 steps per ms) remains 26/26 properties
BEST_FIRST walk for 4004 steps (8 resets) in 14 ms. (266 steps per ms) remains 26/26 properties
// Phase 1: matrix 1353 rows 1203 cols
[2024-05-28 17:24:25] [INFO ] Computed 121 invariants in 34 ms
Loading property file /tmp/ReachabilityCardinality10468299863662996143.prop.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/26 variables, 26/26 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/26 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 2 (OVERLAPS) 274/300 variables, 21/47 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/300 variables, 274/321 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/300 variables, 0/321 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 5 (OVERLAPS) 903/1203 variables, 100/421 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1203 variables, 903/1324 constraints. Problems are: Problem set: 0 solved, 26 unsolved
SDD proceeding with computation,26 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,26 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,26 properties remain. new max is 16
SDD size :10 after 19
SDD proceeding with computation,26 properties remain. new max is 32
SDD size :19 after 37
SDD proceeding with computation,26 properties remain. new max is 64
SDD size :37 after 331
SDD proceeding with computation,26 properties remain. new max is 128
SDD size :331 after 3.39768e+06
SDD proceeding with computation,26 properties remain. new max is 256
SDD size :3.39768e+06 after 9.86168e+14
SDD proceeding with computation,26 properties remain. new max is 512
SDD size :9.86168e+14 after 2.52744e+32
At refinement iteration 7 (INCLUDED_ONLY) 0/1203 variables, 0/1324 constraints. Problems are: Problem set: 0 solved, 26 unsolved
SDD proceeding with computation,26 properties remain. new max is 1024
SDD size :2.52744e+32 after 1.23682e+65
SDD proceeding with computation,26 properties remain. new max is 2048
SDD size :1.23682e+65 after 1.23682e+65
At refinement iteration 8 (OVERLAPS) 1353/2556 variables, 1203/2527 constraints. Problems are: Problem set: 0 solved, 26 unsolved
Invariant property smplace_145 does not hold.
SDD proceeding with computation,25 properties remain. new max is 2048
SDD size :1.23682e+65 after 1.23682e+65
Invariant property smplace_120 does not hold.
SDD proceeding with computation,24 properties remain. new max is 2048
SDD size :1.23682e+65 after 1.23682e+65
Invariant property smplace_118 does not hold.
SDD proceeding with computation,23 properties remain. new max is 2048
SDD size :1.23682e+65 after 1.23682e+65
Invariant property smplace_143 does not hold.
SDD proceeding with computation,22 properties remain. new max is 2048
SDD size :1.23682e+65 after 1.23682e+65
SDD proceeding with computation,22 properties remain. new max is 4096
SDD size :1.23682e+65 after 1.23682e+65
At refinement iteration 9 (INCLUDED_ONLY) 0/2556 variables, 0/2527 constraints. Problems are: Problem set: 4 solved, 22 unsolved
SDD proceeding with computation,22 properties remain. new max is 8192
SDD size :1.23682e+65 after 1.23682e+65
At refinement iteration 10 (OVERLAPS) 0/2556 variables, 0/2527 constraints. Problems are: Problem set: 4 solved, 22 unsolved
No progress, stopping.
After SMT solving in domain Real declared 2556/2556 variables, and 2527 constraints, problems are : Problem set: 4 solved, 22 unsolved in 3240 ms.
Refiners :[Domain max(s): 1203/1203 constraints, Positive P Invariants (semi-flows): 121/121 constraints, State Equation: 1203/1203 constraints, PredecessorRefiner: 26/26 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 4 solved, 22 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/22 variables, 22/22 constraints. Problems are: Problem set: 4 solved, 22 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/22 variables, 0/22 constraints. Problems are: Problem set: 4 solved, 22 unsolved
At refinement iteration 2 (OVERLAPS) 252/274 variables, 19/41 constraints. Problems are: Problem set: 4 solved, 22 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/274 variables, 252/293 constraints. Problems are: Problem set: 4 solved, 22 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/274 variables, 0/293 constraints. Problems are: Problem set: 4 solved, 22 unsolved
At refinement iteration 5 (OVERLAPS) 929/1203 variables, 102/395 constraints. Problems are: Problem set: 4 solved, 22 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1203 variables, 929/1324 constraints. Problems are: Problem set: 4 solved, 22 unsolved
Invariant property smplace_223 does not hold.
SDD proceeding with computation,21 properties remain. new max is 8192
SDD size :1.23682e+65 after 1.23682e+65
[2024-05-28 17:24:29] [INFO ] Deduced a trap composed of 22 places in 431 ms of which 96 ms to minimize.
[2024-05-28 17:24:29] [INFO ] Deduced a trap composed of 29 places in 341 ms of which 7 ms to minimize.
[2024-05-28 17:24:30] [INFO ] Deduced a trap composed of 19 places in 372 ms of which 19 ms to minimize.
Invariant property smplace_198 does not hold.
Invariant property smplace_182 does not hold.
SDD proceeding with computation,19 properties remain. new max is 8192
SDD size :1.23682e+65 after 1.23682e+65
[2024-05-28 17:24:30] [INFO ] Deduced a trap composed of 19 places in 371 ms of which 6 ms to minimize.
[2024-05-28 17:24:30] [INFO ] Deduced a trap composed of 35 places in 380 ms of which 6 ms to minimize.
[2024-05-28 17:24:31] [INFO ] Deduced a trap composed of 40 places in 362 ms of which 6 ms to minimize.
[2024-05-28 17:24:31] [INFO ] Deduced a trap composed of 24 places in 361 ms of which 6 ms to minimize.
Invariant property smplace_196 does not hold.
SDD proceeding with computation,18 properties remain. new max is 8192
SDD size :1.23682e+65 after 1.23682e+65
[2024-05-28 17:24:32] [INFO ] Deduced a trap composed of 34 places in 355 ms of which 6 ms to minimize.
[2024-05-28 17:24:32] [INFO ] Deduced a trap composed of 25 places in 356 ms of which 5 ms to minimize.
[2024-05-28 17:24:32] [INFO ] Deduced a trap composed of 37 places in 354 ms of which 5 ms to minimize.
Invariant property smplace_262 does not hold.
SDD proceeding with computation,17 properties remain. new max is 8192
SDD size :1.23682e+65 after 1.23682e+65
[2024-05-28 17:24:33] [INFO ] Deduced a trap composed of 22 places in 306 ms of which 5 ms to minimize.
[2024-05-28 17:24:33] [INFO ] Deduced a trap composed of 23 places in 339 ms of which 5 ms to minimize.
SMT process timed out in 8509ms, After SMT, problems are : Problem set: 4 solved, 22 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 17 out of 1203 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1203/1203 places, 1353/1353 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 121 transitions
Trivial Post-agglo rules discarded 121 transitions
Performed 121 trivial Post agglomeration. Transition count delta: 121
Iterating post reduction 0 with 121 rules applied. Total rules applied 121 place count 1203 transition count 1232
Reduce places removed 121 places and 0 transitions.
Iterating post reduction 1 with 121 rules applied. Total rules applied 242 place count 1082 transition count 1232
Performed 150 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 150 Pre rules applied. Total rules applied 242 place count 1082 transition count 1082
Deduced a syphon composed of 150 places in 2 ms
Reduce places removed 150 places and 0 transitions.
Iterating global reduction 2 with 300 rules applied. Total rules applied 542 place count 932 transition count 1082
Discarding 195 places :
Symmetric choice reduction at 2 with 195 rule applications. Total rules 737 place count 737 transition count 887
Iterating global reduction 2 with 195 rules applied. Total rules applied 932 place count 737 transition count 887
Performed 90 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 90 Pre rules applied. Total rules applied 932 place count 737 transition count 797
Deduced a syphon composed of 90 places in 2 ms
Reduce places removed 90 places and 0 transitions.
Iterating global reduction 2 with 180 rules applied. Total rules applied 1112 place count 647 transition count 797
Performed 208 Post agglomeration using F-continuation condition.Transition count delta: 208
Deduced a syphon composed of 208 places in 2 ms
Reduce places removed 208 places and 0 transitions.
Iterating global reduction 2 with 416 rules applied. Total rules applied 1528 place count 439 transition count 589
Partial Free-agglomeration rule applied 62 times.
Drop transitions (Partial Free agglomeration) removed 62 transitions
Iterating global reduction 2 with 62 rules applied. Total rules applied 1590 place count 439 transition count 589
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 2 with 1 rules applied. Total rules applied 1591 place count 438 transition count 588
Applied a total of 1591 rules in 416 ms. Remains 438 /1203 variables (removed 765) and now considering 588/1353 (removed 765) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 427 ms. Remains : 438/1203 places, 588/1353 transitions.
RANDOM walk for 29283 steps (79 resets) in 460 ms. (63 steps per ms) remains 0/17 properties
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Able to resolve query StableMarking after proving 633 properties.
FORMULA StableMarking FALSE TECHNIQUES RANDOM_WALK MARKED_SUFFIX_TEST DECISION_DIAGRAMS COLLATERAL_PROCESSING TOPOLOGICAL
Total runtime 10994 ms.

BK_STOP 1716917074180

--------------------
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
+ 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//
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202405141337.jar
++ perl -pe 's/.*\.//g'
+ VERSION=202405141337
+ echo 'Running Version 202405141337'
+ /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="ShieldRVs-PT-030B"
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 2-5568"
echo " Executing tool itstools"
echo " Input is ShieldRVs-PT-030B, 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 r365-tall-171683779500518"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/ShieldRVs-PT-030B.tgz
mv ShieldRVs-PT-030B 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.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property StableMarking.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -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 ;