About the Execution of Tapaal for SwimmingPool-PT-03
Execution Summary | |||||
Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
6449.235 | 1482422.00 | 2410992.00 | 2631.70 | TFFTTTFTFFFTFFFF | normal |
Execution Chart
We display below the execution chart for this examination (boot time has been removed).
Trace from the execution
Formatting '/data/fkordon/mcc2022-input.r255-tall-165303542300380.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2022-input.qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
..........................
=====================================================================
Generated by BenchKit 2-4028
Executing tool tapaal
Input is SwimmingPool-PT-03, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r255-tall-165303542300380
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 252K
-rw-r--r-- 1 mcc users 7.4K Apr 29 12:53 CTLCardinality.txt
-rw-r--r-- 1 mcc users 79K Apr 29 12:53 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.4K Apr 29 12:52 CTLFireability.txt
-rw-r--r-- 1 mcc users 61K Apr 29 12:52 CTLFireability.xml
-rw-r--r-- 1 mcc users 6 May 10 09:34 equiv_col
-rw-r--r-- 1 mcc users 4.2K May 10 09:34 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.4K May 10 09:34 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3 May 10 09:34 instance
-rw-r--r-- 1 mcc users 6 May 10 09:34 iscolored
-rw-r--r-- 1 mcc users 3.4K May 9 09:13 LTLCardinality.txt
-rw-r--r-- 1 mcc users 23K May 9 09:13 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K May 9 09:13 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K May 9 09:13 LTLFireability.xml
-rw-r--r-- 1 mcc users 3.9K May 10 09:34 model.pnml
-rw-r--r-- 1 mcc users 1.7K May 9 09:13 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K May 9 09:13 UpperBounds.xml
--------------------
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 SwimmingPool-PT-03-LTLFireability-00
FORMULA_NAME SwimmingPool-PT-03-LTLFireability-01
FORMULA_NAME SwimmingPool-PT-03-LTLFireability-02
FORMULA_NAME SwimmingPool-PT-03-LTLFireability-03
FORMULA_NAME SwimmingPool-PT-03-LTLFireability-04
FORMULA_NAME SwimmingPool-PT-03-LTLFireability-05
FORMULA_NAME SwimmingPool-PT-03-LTLFireability-06
FORMULA_NAME SwimmingPool-PT-03-LTLFireability-07
FORMULA_NAME SwimmingPool-PT-03-LTLFireability-08
FORMULA_NAME SwimmingPool-PT-03-LTLFireability-09
FORMULA_NAME SwimmingPool-PT-03-LTLFireability-10
FORMULA_NAME SwimmingPool-PT-03-LTLFireability-11
FORMULA_NAME SwimmingPool-PT-03-LTLFireability-12
FORMULA_NAME SwimmingPool-PT-03-LTLFireability-13
FORMULA_NAME SwimmingPool-PT-03-LTLFireability-14
FORMULA_NAME SwimmingPool-PT-03-LTLFireability-15
=== Now, execution of the tool begins
BK_START 1653289252566
tapaal
Got BK_BIN_PATH=/home/mcc/BenchKit/bin/
---> tapaal --- TAPAAL v5
Setting MODEL_PATH=.
Setting VERIFYPN=/home/mcc/BenchKit/bin/verifypn
Got BK_TIME_CONFINEMENT=3600
Setting TEMPDIR=/home/mcc/BenchKit/bin/tmp
Got BK_MEMORY_CONFINEMENT=16384
Limiting to 16265216 kB
Total timeout: 3590
Time left: 3590
*************************************
* TAPAAL verifying LTLFireability *
*************************************
TEMPDIR=/home/mcc/BenchKit/bin/tmp
QF=/home/mcc/BenchKit/bin/tmp/tmp.1C1sVKGP4A
MF=/home/mcc/BenchKit/bin/tmp/tmp.5J8egrNVni
Time left: 3590
---------------------------------------------------
Step -1: Stripping Colors
---------------------------------------------------
Verifying stripped models (16 in total)
/home/mcc/BenchKit/bin/verifypn -n -c -q 718 -ltl -l 29 -d 299 -z 4 -x 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16 ./model.pnml ./LTLFireability.xml
CPN OverApproximation is only usable on colored models
Time left: 3590
---------------------------------------------------
Step 0: Parallel Simplification
---------------------------------------------------
Doing parallel simplification (16 in total)
Total simplification timout is 718 -- reduction timeout is 299
timeout 1017 /home/mcc/BenchKit/bin/verifypn -n -ltl -q 718 -l 29 -d 299 -z 4 -s OverApprox --binary-query-io 2 --write-simplified /home/mcc/BenchKit/bin/tmp/tmp.1C1sVKGP4A --write-reduced /home/mcc/BenchKit/bin/tmp/tmp.5J8egrNVni -x 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16 ./model.pnml ./LTLFireability.xml
FORMULA SwimmingPool-PT-03-LTLFireability-00 TRUE TECHNIQUES COLLATERAL_PROCESSING STRUCTURAL_REDUCTION QUERY_REDUCTION SAT_SMT LP_APPROX
Query index 0 was solved
Query is satisfied.
FORMULA SwimmingPool-PT-03-LTLFireability-04 TRUE TECHNIQUES COLLATERAL_PROCESSING STRUCTURAL_REDUCTION QUERY_REDUCTION SAT_SMT LP_APPROX
Query index 4 was solved
Query is satisfied.
FORMULA SwimmingPool-PT-03-LTLFireability-15 FALSE TECHNIQUES COLLATERAL_PROCESSING STRUCTURAL_REDUCTION QUERY_REDUCTION SAT_SMT LP_APPROX
Query index 15 was solved
Query is NOT satisfied.
Solution found by parallel simplification (step 0)
Solution found by parallel simplification (step 0)
Solution found by parallel simplification (step 0)
Time left: 3590
---------------------------------------------------
Step 1: Parallel processing
---------------------------------------------------
Doing parallel verification of individual queries (13 in total)
Each query is verified by 4 parallel strategies for 299 seconds
------------------- QUERY 1 ----------------------
Solution found by parallel processing (step 1)
Query index 0 was solved
Query is satisfied.
Spent 0.064665 on verification
@@@0.06,148840@@@
parallel: This job succeeded:
eval /usr/bin/time -f "@@@%e,%M@@@" /home/mcc/BenchKit/bin/verifypn -n -ltl\ tarjan\ --ltl-heur\ dist\ -q\ 0\ -l\ 0\ -d\ 119 /home/mcc/BenchKit/bin/tmp/tmp.5J8egrNVni /home/mcc/BenchKit/bin/tmp/tmp.1C1sVKGP4A --binary-query-io 1 -x 1 -n
FORMULA SwimmingPool-PT-03-LTLFireability-05 TRUE TECHNIQUES EXPLICIT TARJAN WEAK_SKIP STUBBORN AUT_STUB HEURISTIC DIST_HEUR OPTIM-1
Time left: 3589
------------------- QUERY 2 ----------------------
Solution found by parallel processing (step 1)
Query index 0 was solved
Query is satisfied.
Spent 0.080034 on verification
@@@0.08,148760@@@
parallel: This job succeeded:
eval /usr/bin/time -f "@@@%e,%M@@@" /home/mcc/BenchKit/bin/verifypn -n -ltl\ tarjan\ --ltl-heur\ dist\ -q\ 0\ -l\ 0\ -d\ 119 /home/mcc/BenchKit/bin/tmp/tmp.5J8egrNVni /home/mcc/BenchKit/bin/tmp/tmp.1C1sVKGP4A --binary-query-io 1 -x 2 -n
FORMULA SwimmingPool-PT-03-LTLFireability-03 TRUE TECHNIQUES EXPLICIT TARJAN WEAK_SKIP STUBBORN AUT_STUB HEURISTIC DIST_HEUR OPTIM-1
Time left: 3589
------------------- QUERY 3 ----------------------
Solution found by parallel processing (step 1)
Query index 0 was solved
Query is satisfied.
Spent 3.00637 on verification
@@@3.03,210108@@@
parallel: This job succeeded:
eval /usr/bin/time -f "@@@%e,%M@@@" /home/mcc/BenchKit/bin/verifypn -n -ltl\ tarjan\ --ltl-heur\ aut\ -s\ DFS\ -p\ -q\ 0\ -l\ 0\ -d\ 119 /home/mcc/BenchKit/bin/tmp/tmp.5J8egrNVni /home/mcc/BenchKit/bin/tmp/tmp.1C1sVKGP4A --binary-query-io 1 -x 3 -n
FORMULA SwimmingPool-PT-03-LTLFireability-11 TRUE TECHNIQUES EXPLICIT TARJAN WEAK_SKIP OPTIM-1
Time left: 3586
------------------- QUERY 4 ----------------------
Solution found by parallel processing (step 1)
Query index 0 was solved
Query is NOT satisfied.
Spent 0.018838 on verification
@@@0.02,21876@@@
parallel: This job succeeded:
eval /usr/bin/time -f "@@@%e,%M@@@" /home/mcc/BenchKit/bin/verifypn -n -ltl\ ndfs\ -q\ 0\ -l\ 0\ -d\ 119 /home/mcc/BenchKit/bin/tmp/tmp.5J8egrNVni /home/mcc/BenchKit/bin/tmp/tmp.1C1sVKGP4A --binary-query-io 1 -x 4 -n
FORMULA SwimmingPool-PT-03-LTLFireability-13 FALSE TECHNIQUES EXPLICIT NDFS WEAK_SKIP HEURISTIC AUTOMATON_HEUR OPTIM-1
Time left: 3585
------------------- QUERY 5 ----------------------
Solution found by parallel processing (step 1)
Query index 0 was solved
Query is NOT satisfied.
Spent 0.016 on verification
@@@0.02,22020@@@
parallel: This job succeeded:
eval /usr/bin/time -f "@@@%e,%M@@@" /home/mcc/BenchKit/bin/verifypn -n -ltl\ ndfs\ -q\ 0\ -l\ 0\ -d\ 119 /home/mcc/BenchKit/bin/tmp/tmp.5J8egrNVni /home/mcc/BenchKit/bin/tmp/tmp.1C1sVKGP4A --binary-query-io 1 -x 5 -n
FORMULA SwimmingPool-PT-03-LTLFireability-12 FALSE TECHNIQUES EXPLICIT NDFS WEAK_SKIP HEURISTIC AUTOMATON_HEUR OPTIM-1
Time left: 3585
------------------- QUERY 6 ----------------------
Solution found by parallel processing (step 1)
Query index 0 was solved
Query is NOT satisfied.
Spent 0.07075 on verification
FORMULA SwimmingPool-PT-03-LTLFireability-10 FALSE TECHNIQUES EXPLICIT TARJAN WEAK_SKIP STUBBORN AUT_STUB HEURISTIC LOGFIRECOUNT_HEUR(5000) OPTIM-1
Query index 0 was solved
Query is NOT satisfied.
Spent 0.061794 on verification
@@@0.06,149756@@@
parallel: This job succeeded:
eval /usr/bin/time -f "@@@%e,%M@@@" /home/mcc/BenchKit/bin/verifypn -n -ltl\ tarjan\ --ltl-heur\ fire-count\ -q\ 0\ -l\ 0\ -d\ 119 /home/mcc/BenchKit/bin/tmp/tmp.5J8egrNVni /home/mcc/BenchKit/bin/tmp/tmp.1C1sVKGP4A --binary-query-io 1 -x 6 -n
@@@0.07,149912@@@
parallel: This job succeeded:
eval /usr/bin/time -f "@@@%e,%M@@@" /home/mcc/BenchKit/bin/verifypn -n -ltl\ tarjan\ --ltl-heur\ dist\ -q\ 0\ -l\ 0\ -d\ 119 /home/mcc/BenchKit/bin/tmp/tmp.5J8egrNVni /home/mcc/BenchKit/bin/tmp/tmp.1C1sVKGP4A --binary-query-io 1 -x 6 -n
FORMULA SwimmingPool-PT-03-LTLFireability-10 FALSE TECHNIQUES EXPLICIT TARJAN WEAK_SKIP STUBBORN AUT_STUB HEURISTIC DIST_HEUR OPTIM-1
Time left: 3585
------------------- QUERY 7 ----------------------
Solution found by parallel processing (step 1)
Query index 0 was solved
Query is NOT satisfied.
Spent 0.0658 on verification
@@@0.06,148720@@@
FORMULA SwimmingPool-PT-03-LTLFireability-14 FALSE TECHNIQUES EXPLICIT NDFS WEAK_SKIP HEURISTIC AUTOMATON_HEUR OPTIM-1
Query index 0 was solved
Query is NOT satisfied.
parallel: This job succeeded:
eval /usr/bin/time -f "@@@%e,%M@@@" /home/mcc/BenchKit/bin/verifypn -n -ltl\ tarjan\ --ltl-heur\ dist\ -q\ 0\ -l\ 0\ -d\ 119 /home/mcc/BenchKit/bin/tmp/tmp.5J8egrNVni /home/mcc/BenchKit/bin/tmp/tmp.1C1sVKGP4A --binary-query-io 1 -x 7 -n
FORMULA SwimmingPool-PT-03-LTLFireability-14 FALSE TECHNIQUES EXPLICIT TARJAN WEAK_SKIP STUBBORN AUT_STUB HEURISTIC DIST_HEUR OPTIM-1
Time left: 3585
------------------- QUERY 8 ----------------------
Solution found by parallel processing (step 1)
Query index 0 was solved
Query is NOT satisfied.
Spent 0.063628 on verification
@@@0.07,148724@@@
parallel: This job succeeded:
eval /usr/bin/time -f "@@@%e,%M@@@" /home/mcc/BenchKit/bin/verifypn -n -ltl\ tarjan\ --ltl-heur\ dist\ -q\ 0\ -l\ 0\ -d\ 119 /home/mcc/BenchKit/bin/tmp/tmp.5J8egrNVni /home/mcc/BenchKit/bin/tmp/tmp.1C1sVKGP4A --binary-query-io 1 -x 8 -n
FORMULA SwimmingPool-PT-03-LTLFireability-01 FALSE TECHNIQUES EXPLICIT TARJAN WEAK_SKIP STUBBORN AUT_STUB HEURISTIC DIST_HEUR OPTIM-1
Time left: 3584
------------------- QUERY 9 ----------------------
Solution found by parallel processing (step 1)
Query index 0 was solved
Query is NOT satisfied.
Spent 0.013113 on verification
@@@0.01,21720@@@
parallel: This job succeeded:
eval /usr/bin/time -f "@@@%e,%M@@@" /home/mcc/BenchKit/bin/verifypn -n -ltl\ ndfs\ -q\ 0\ -l\ 0\ -d\ 119 /home/mcc/BenchKit/bin/tmp/tmp.5J8egrNVni /home/mcc/BenchKit/bin/tmp/tmp.1C1sVKGP4A --binary-query-io 1 -x 9 -n
FORMULA SwimmingPool-PT-03-LTLFireability-02 FALSE TECHNIQUES EXPLICIT NDFS WEAK_SKIP HEURISTIC AUTOMATON_HEUR OPTIM-1
Time left: 3584
------------------- QUERY 10 ----------------------
Solution found by parallel processing (step 1)
Query index 0 was solved
Query is NOT satisfied.
Spent 0.014577 on verification
@@@0.02,21752@@@
parallel: This job succeeded:
eval /usr/bin/time -f "@@@%e,%M@@@" /home/mcc/BenchKit/bin/verifypn -n -ltl\ ndfs\ -q\ 0\ -l\ 0\ -d\ 119 /home/mcc/BenchKit/bin/tmp/tmp.5J8egrNVni /home/mcc/BenchKit/bin/tmp/tmp.1C1sVKGP4A --binary-query-io 1 -x 10 -n
FORMULA SwimmingPool-PT-03-LTLFireability-08 FALSE TECHNIQUES EXPLICIT NDFS WEAK_SKIP HEURISTIC AUTOMATON_HEUR OPTIM-1
Time left: 3584
------------------- QUERY 11 ----------------------
Solution found by parallel processing (step 1)
Query index 0 was solved
Query is NOT satisfied.
Spent 2.80729 on verification
@@@2.81,182372@@@
parallel: This job succeeded:
eval /usr/bin/time -f "@@@%e,%M@@@" /home/mcc/BenchKit/bin/verifypn -n -ltl\ tarjan\ --ltl-heur\ dist\ -q\ 0\ -l\ 0\ -d\ 119 /home/mcc/BenchKit/bin/tmp/tmp.5J8egrNVni /home/mcc/BenchKit/bin/tmp/tmp.1C1sVKGP4A --binary-query-io 1 -x 11 -n
FORMULA SwimmingPool-PT-03-LTLFireability-06 FALSE TECHNIQUES EXPLICIT TARJAN WEAK_SKIP STUBBORN AUT_STUB HEURISTIC DIST_HEUR OPTIM-1
Time left: 3581
------------------- QUERY 12 ----------------------
No solution found
Time left: 3279
------------------- QUERY 13 ----------------------
Solution found by parallel processing (step 1)
Query index 0 was solved
Query is NOT satisfied.
Spent 0.061398 on verification
@@@0.06,150680@@@
parallel: This job succeeded:
eval /usr/bin/time -f "@@@%e,%M@@@" /home/mcc/BenchKit/bin/verifypn -n -ltl\ tarjan\ --ltl-heur\ fire-count\ -q\ 0\ -l\ 0\ -d\ 119 /home/mcc/BenchKit/bin/tmp/tmp.5J8egrNVni /home/mcc/BenchKit/bin/tmp/tmp.1C1sVKGP4A --binary-query-io 1 -x 13 -n
FORMULA SwimmingPool-PT-03-LTLFireability-09 FALSE TECHNIQUES EXPLICIT TARJAN WEAK_SKIP STUBBORN AUT_STUB HEURISTIC LOGFIRECOUNT_HEUR(5000) OPTIM-1
Time left: 3279
---------------------------------------------------
Step 2: Sequential processing
---------------------------------------------------
Remaining 1 queries are verified sequentially.
Each query is verified for a dynamic timeout (at least 598 seconds)
Time left: 3279
------------------- QUERY 12 ----------------------
Running query 12 for 3279 seconds. Remaining: 1 queries and 3279 seconds
Solution found by sequential processing (step 2)
FORMULA SwimmingPool-PT-03-LTLFireability-07 TRUE TECHNIQUES EXPLICIT TARJAN WEAK_SKIP STUBBORN AUT_STUB HEURISTIC AUTOMATON_HEUR OPTIM-1
Query index 0 was solved
Query is satisfied.
Spent 1171.27 on verification
@@@1171.33,5072668@@@
parallel: This job succeeded:
eval /usr/bin/time -f "@@@%e,%M@@@" /home/mcc/BenchKit/bin/verifypn -n -ltl\ tarjan\ -q\ 40\ -l\ 5\ -d\ 119\ -s\ BestFS\ --ltl-por\ automaton\ --ltl-heur\ aut /home/mcc/BenchKit/bin/tmp/tmp.5J8egrNVni /home/mcc/BenchKit/bin/tmp/tmp.1C1sVKGP4A --binary-query-io 1 -x 12 -n
Query index 0 was solved
Query is satisfied.
Spent 1171.27 on verification
@@@1171.33,5072668@@@
parallel: This job succeeded:
eval /usr/bin/time -f "@@@%e,%M@@@" /home/mcc/BenchKit/bin/verifypn -n -ltl\ tarjan\ -q\ 40\ -l\ 5\ -d\ 119\ -s\ BestFS\ --ltl-por\ automaton\ --ltl-heur\ aut /home/mcc/BenchKit/bin/tmp/tmp.5J8egrNVni /home/mcc/BenchKit/bin/tmp/tmp.1C1sVKGP4A --binary-query-io 1 -x 12 -n
FORMULA SwimmingPool-PT-03-LTLFireability-07 TRUE TECHNIQUES EXPLICIT TARJAN WEAK_SKIP STUBBORN AUT_STUB HEURISTIC AUTOMATON_HEUR OPTIM-1
Time left: 2108
All queries are solved
Time left: 2108
terminated-with-cleanup
BK_STOP 1653290734988
--------------------
content from stderr:
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="SwimmingPool-PT-03"
export BK_EXAMINATION="LTLFireability"
export BK_TOOL="tapaal"
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 2-4028"
echo " Executing tool tapaal"
echo " Input is SwimmingPool-PT-03, examination is LTLFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r255-tall-165303542300380"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/SwimmingPool-PT-03.tgz
mv SwimmingPool-PT-03 execution
cd execution
if [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "UpperBounds" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] || [ "LTLFireability" = "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 [ "LTLFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "LTLFireability" != "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 "LTLFireability.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property LTLFireability.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "LTLFireability.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 '
echo "FORMULA_NAME $x"
done
elif [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME LTLFireability"
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 ;