fond
Model Checking Contest 2023
13th edition, Paris, France, April 26, 2023 (at TOOLympics II)
Execution of r403-oct2-167903724400327
Last Updated
May 14, 2023

About the Execution of ITS-Tools for ShieldPPPs-PT-100B

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
1429.968 46279.00 104953.00 22.30 T normal

Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2023-input.r403-oct2-167903724400327.qcow2', fmt=qcow2 cluster_size=65536 extended_l2=off compression_type=zlib size=4294967296 backing_file=/data/fkordon/mcc2023-input.qcow2 backing_fmt=qcow2 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
.......................................................................................................................................................................................................................................................................................................
=====================================================================
Generated by BenchKit 2-5348
Executing tool itstools
Input is ShieldPPPs-PT-100B, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r403-oct2-167903724400327
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 2.2M
-rw-r--r-- 1 mcc users 7.3K Feb 26 02:08 CTLCardinality.txt
-rw-r--r-- 1 mcc users 80K Feb 26 02:08 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.8K Feb 26 02:07 CTLFireability.txt
-rw-r--r-- 1 mcc users 41K Feb 26 02:07 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:41 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.7K Feb 25 16:59 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K Feb 25 16:59 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Feb 25 16:59 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Feb 25 16:59 LTLFireability.xml
-rw-r--r-- 1 mcc users 6.8K Feb 26 02:08 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 62K Feb 26 02:08 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.6K Feb 26 02:08 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 83K Feb 26 02:08 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Feb 25 16:59 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Feb 25 16:59 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 equiv_col
-rw-r--r-- 1 mcc users 5 Mar 5 18:23 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 iscolored
-rw-r--r-- 1 mcc users 1.8M Mar 5 18:23 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 QuasiLiveness

=== Now, execution of the tool begins

BK_START 1679732472152

bash -c /home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n "BK_STOP " ; date -u +%s%3N
Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=ShieldPPPs-PT-100B
Not applying reductions.
Model is PT
QuasiLiveness PT
Running Version 202303021504
[2023-03-25 08:21:14] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 1800]
[2023-03-25 08:21:14] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-25 08:21:15] [INFO ] Load time of PNML (sax parser for PT used): 239 ms
[2023-03-25 08:21:15] [INFO ] Transformed 6803 places.
[2023-03-25 08:21:15] [INFO ] Transformed 6303 transitions.
[2023-03-25 08:21:15] [INFO ] Found NUPN structural information;
[2023-03-25 08:21:15] [INFO ] Parsed PT model containing 6803 places and 6303 transitions and 17406 arcs in 650 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 6803/6803 places, 6303/6303 transitions.
Drop transitions removed 702 transitions
Trivial Post-agglo rules discarded 702 transitions
Performed 702 trivial Post agglomeration. Transition count delta: 702
Iterating post reduction 0 with 702 rules applied. Total rules applied 702 place count 6803 transition count 5601
Reduce places removed 702 places and 0 transitions.
Iterating post reduction 1 with 702 rules applied. Total rules applied 1404 place count 6101 transition count 5601
Performed 500 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 500 Pre rules applied. Total rules applied 1404 place count 6101 transition count 5101
Deduced a syphon composed of 500 places in 91 ms
Reduce places removed 500 places and 0 transitions.
Iterating global reduction 2 with 1000 rules applied. Total rules applied 2404 place count 5601 transition count 5101
Performed 2400 Post agglomeration using F-continuation condition.Transition count delta: 2400
Deduced a syphon composed of 2400 places in 10 ms
Reduce places removed 2400 places and 0 transitions.
Iterating global reduction 2 with 4800 rules applied. Total rules applied 7204 place count 3201 transition count 2701
Renaming transitions due to excessive name length > 1024 char.
Applied a total of 7204 rules in 775 ms. Remains 3201 /6803 variables (removed 3602) and now considering 2701/6303 (removed 3602) transitions.
// Phase 1: matrix 2701 rows 3201 cols
[2023-03-25 08:21:16] [INFO ] Computed 1101 place invariants in 29 ms
[2023-03-25 08:21:20] [INFO ] Implicit Places using invariants in 4176 ms returned []
[2023-03-25 08:21:20] [INFO ] Invariant cache hit.
[2023-03-25 08:21:22] [INFO ] Implicit Places using invariants and state equation in 2297 ms returned []
Implicit Place search using SMT with State Equation took 6513 ms to find 0 implicit places.
[2023-03-25 08:21:22] [INFO ] Invariant cache hit.
[2023-03-25 08:21:25] [INFO ] Dead Transitions using invariants and state equation in 2976 ms found 0 transitions.
Starting structural reductions in LIVENESS mode, iteration 1 : 3201/6803 places, 2701/6303 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 10277 ms. Remains : 3201/6803 places, 2701/6303 transitions.
Discarding 600 transitions out of 2701. Remains 2101
Initial state reduction rules removed 1 formulas.
[2023-03-25 08:21:26] [INFO ] Flatten gal took : 663 ms
[2023-03-25 08:21:27] [INFO ] Flatten gal took : 416 ms
[2023-03-25 08:21:27] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality17424218017891583893.gal : 61 ms
[2023-03-25 08:21:27] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality1173332912413933625.prop : 14 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality17424218017891583893.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality1173332912413933625.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
Incomplete random walk after 10000 steps, including 2 resets, run finished after 1874 ms. (steps per millisecond=5 ) properties (out of 2100) seen :1111
Running SMT prover for 989 properties.
[2023-03-25 08:21:27] [INFO ] Invariant cache hit.
Loading property file /tmp/ReachabilityCardinality1173332912413933625.prop.
Reachability property qltransition_2694 is true.
Reachability property qltransition_1496 is true.
Reachability property qltransition_1493 is true.
Reachability property qltransition_1490 is true.
Reachability property qltransition_1487 is true.
SDD proceeding with computation,2095 properties remain. new max is 2
SDD size :2 after 5
Reachability property qltransition_2679 is true.
Reachability property qltransition_1483 is true.
Reachability property qltransition_1481 is true.
SDD proceeding with computation,2092 properties remain. new max is 2
SDD size :5 after 8
Reachability property qltransition_2667 is true.
Reachability property qltransition_1478 is true.
Reachability property qltransition_1476 is true.
SDD proceeding with computation,2089 properties remain. new max is 2
SDD size :8 after 11
Reachability property qltransition_2655 is true.
Reachability property qltransition_1472 is true.
Reachability property qltransition_1469 is true.
SDD proceeding with computation,2086 properties remain. new max is 2
SDD size :11 after 14
Reachability property qltransition_2643 is true.
Reachability property qltransition_1466 is true.
Reachability property qltransition_1463 is true.
SDD proceeding with computation,2083 properties remain. new max is 2
SDD size :14 after 17
Reachability property qltransition_2631 is true.
Reachability property qltransition_1460 is true.
Reachability property qltransition_1458 is true.
SDD proceeding with computation,2080 properties remain. new max is 2
SDD size :17 after 20
Reachability property qltransition_2619 is true.
Reachability property qltransition_1454 is true.
Reachability property qltransition_1451 is true.
SDD proceeding with computation,2077 properties remain. new max is 2
SDD size :20 after 23
Reachability property qltransition_2607 is true.
Reachability property qltransition_1448 is true.
Reachability property qltransition_1445 is true.
SDD proceeding with computation,2074 properties remain. new max is 2
SDD size :23 after 26
Reachability property qltransition_2595 is true.
Reachability property qltransition_1442 is true.
Reachability property qltransition_1439 is true.
SDD proceeding with computation,2071 properties remain. new max is 2
SDD size :26 after 29
Reachability property qltransition_2583 is true.
Reachability property qltransition_1436 is true.
Reachability property qltransition_1433 is true.
SDD proceeding with computation,2068 properties remain. new max is 2
SDD size :29 after 32
Reachability property qltransition_2571 is true.
Reachability property qltransition_1430 is true.
Reachability property qltransition_1427 is true.
SDD proceeding with computation,2065 properties remain. new max is 2
SDD size :32 after 35
Reachability property qltransition_2559 is true.
Reachability property qltransition_1424 is true.
Reachability property qltransition_1421 is true.
SDD proceeding with computation,2062 properties remain. new max is 2
SDD size :35 after 38
Reachability property qltransition_2547 is true.
Reachability property qltransition_1418 is true.
Reachability property qltransition_1415 is true.
SDD proceeding with computation,2059 properties remain. new max is 2
SDD size :38 after 41
Reachability property qltransition_2535 is true.
Reachability property qltransition_1412 is true.
Reachability property qltransition_1409 is true.
SDD proceeding with computation,2056 properties remain. new max is 2
SDD size :41 after 44
Reachability property qltransition_2523 is true.
Reachability property qltransition_1405 is true.
Reachability property qltransition_1403 is true.
SDD proceeding with computation,2053 properties remain. new max is 2
SDD size :44 after 47
Reachability property qltransition_2511 is true.
Reachability property qltransition_1400 is true.
Reachability property qltransition_1397 is true.
SDD proceeding with computation,2050 properties remain. new max is 2
SDD size :47 after 50
Reachability property qltransition_2499 is true.
Reachability property qltransition_1394 is true.
Reachability property qltransition_1391 is true.
SDD proceeding with computation,2047 properties remain. new max is 2
SDD size :50 after 53
Reachability property qltransition_2487 is true.
Reachability property qltransition_1387 is true.
Reachability property qltransition_1385 is true.
SDD proceeding with computation,2044 properties remain. new max is 2
SDD size :53 after 56
Reachability property qltransition_2475 is true.
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:251)
at fr.lip6.move.gal.structural.smt.DeadlockTester.assertInvariants(DeadlockTester.java:2340)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:618)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMTIncremental(DeadlockTester.java:339)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMT(DeadlockTester.java:223)
at fr.lip6.move.gal.application.solver.ReachabilitySolver.applyReductions(ReachabilitySolver.java:95)
at fr.lip6.move.gal.application.solver.global.GlobalPropertySolver.applyReachabilitySolver(GlobalPropertySolver.java:724)
at fr.lip6.move.gal.application.solver.global.GlobalPropertySolver.solveProperty(GlobalPropertySolver.java:558)
at fr.lip6.move.gal.application.solver.global.GlobalPropertySolver.preSolveLiveness(GlobalPropertySolver.java:412)
at fr.lip6.move.gal.application.solver.global.GlobalPropertySolver.preStableMarking(GlobalPropertySolver.java:321)
at fr.lip6.move.gal.application.solver.global.GlobalPropertySolver.solveProperty(GlobalPropertySolver.java:294)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:386)
at fr.lip6.move.gal.application.Application.start(Application.java:178)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:45)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:136)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:402)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:568)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:659)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:596)
at org.eclipse.equinox.launcher.Main.run(Main.java:1467)
at org.eclipse.equinox.launcher.Main.main(Main.java:1440)
[2023-03-25 08:21:53] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-25 08:21:53] [INFO ] After 25038ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0
Fused 989 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 1 ms.
Support contains 1529 out of 3201 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 3201/3201 places, 2701/2701 transitions.
Reachability property qltransition_1382 is true.
Reachability property qltransition_1380 is true.
Discarding 54 places :
Symmetric choice reduction at 0 with 54 rule applications. Total rules 54 place count 3147 transition count 2647
Iterating global reduction 0 with 54 rules applied. Total rules applied 108 place count 3147 transition count 2647
Partial Free-agglomeration rule applied 453 times.
Drop transitions removed 453 transitions
Iterating global reduction 0 with 453 rules applied. Total rules applied 561 place count 3147 transition count 2647
SDD proceeding with computation,2041 properties remain. new max is 2
SDD size :56 after 59
Reachability property qltransition_2463 is true.
Applied a total of 561 rules in 530 ms. Remains 3147 /3201 variables (removed 54) and now considering 2647/2701 (removed 54) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 531 ms. Remains : 3147/3201 places, 2647/2701 transitions.
Reachability property qltransition_1376 is true.
Reachability property qltransition_1373 is true.
SDD proceeding with computation,2038 properties remain. new max is 2
SDD size :59 after 62
Reachability property qltransition_2451 is true.
Reachability property qltransition_1370 is true.
Reachability property qltransition_1367 is true.
SDD proceeding with computation,2035 properties remain. new max is 2
SDD size :62 after 65
Reachability property qltransition_2439 is true.
Reachability property qltransition_1364 is true.
Reachability property qltransition_1362 is true.
SDD proceeding with computation,2032 properties remain. new max is 2
SDD size :65 after 68
Reachability property qltransition_2427 is true.
Finished random walk after 57364 steps, including 4 resets, run visited all 989 properties in 3793 ms. (steps per millisecond=15 )
ITS runner failed with exception null
java.lang.InterruptedException
at java.base/java.lang.Object.wait(Native Method)
at java.base/java.lang.Thread.join(Thread.java:1304)
at java.base/java.lang.Thread.join(Thread.java:1372)
at fr.lip6.move.gal.application.runner.AbstractRunner.join(AbstractRunner.java:27)
at fr.lip6.move.gal.application.runner.its.ITSRunner.join(ITSRunner.java:177)
at fr.lip6.move.gal.application.solver.global.GlobalPropertySolver.verifyWithSDD(GlobalPropertySolver.java:675)
at fr.lip6.move.gal.application.solver.ReachabilitySolver.lambda$2(ReachabilitySolver.java:63)
at java.base/java.lang.Thread.run(Thread.java:833)
Able to resolve query QuasiLiveness after proving 2101 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 43173 ms.
Reachability property qltransition_1358 is true.
Reachability property qltransition_1355 is true.

BK_STOP 1679732518431

--------------------
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
+ [[ QuasiLiveness = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution QuasiLiveness -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_1.0.0.202303021504.jar
++ perl -pe 's/.*\.//g'
+ VERSION=202303021504
+ echo 'Running Version 202303021504'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination QuasiLiveness -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="ShieldPPPs-PT-100B"
export BK_EXAMINATION="QuasiLiveness"
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 2-5348"
echo " Executing tool itstools"
echo " Input is ShieldPPPs-PT-100B, examination is QuasiLiveness"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r403-oct2-167903724400327"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/ShieldPPPs-PT-100B.tgz
mv ShieldPPPs-PT-100B execution
cd execution
if [ "QuasiLiveness" = "ReachabilityDeadlock" ] || [ "QuasiLiveness" = "UpperBounds" ] || [ "QuasiLiveness" = "QuasiLiveness" ] || [ "QuasiLiveness" = "StableMarking" ] || [ "QuasiLiveness" = "Liveness" ] || [ "QuasiLiveness" = "OneSafe" ] || [ "QuasiLiveness" = "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 [ "QuasiLiveness" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "QuasiLiveness" != "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 "QuasiLiveness.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property QuasiLiveness.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "QuasiLiveness.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 '' QuasiLiveness.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "QuasiLiveness" = "ReachabilityDeadlock" ] || [ "QuasiLiveness" = "QuasiLiveness" ] || [ "QuasiLiveness" = "StableMarking" ] || [ "QuasiLiveness" = "Liveness" ] || [ "QuasiLiveness" = "OneSafe" ] ; then
echo "FORMULA_NAME QuasiLiveness"
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 ;