fond
Model Checking Contest 2022
12th edition, Bergen, Norway, June 21, 2022
Execution of r183-tajo-165281568800108
Last Updated
Jun 22, 2022

About the Execution of Tapaal for RERS17pb114-PT-5

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
16220.128 3593302.00 10249080.00 549.30 ?FFFFFFFFTFFFFFF normal

Execution Chart

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

Trace from the execution

Formatting '/mnt/tpsp/fkordon/mcc2022-input.r183-tajo-165281568800108.qcow2', fmt=qcow2 size=4294967296 backing_file='/mnt/tpsp/fkordon/mcc2022-input.qcow2' encryption=off cluster_size=65536 lazy_refcounts=off
Waiting for the VM to be ready (probing ssh)
....................
=====================================================================
Generated by BenchKit 2-4028
Executing tool tapaal
Input is RERS17pb114-PT-5, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r183-tajo-165281568800108
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 73M
-rw-r--r-- 1 mcc users 6.0K Apr 29 17:51 CTLCardinality.txt
-rw-r--r-- 1 mcc users 61K Apr 29 17:51 CTLCardinality.xml
-rw-r--r-- 1 mcc users 8.5K Apr 29 17:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 66K Apr 29 17:47 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 6.5K May 10 09:34 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 2 May 10 09:34 instance
-rw-r--r-- 1 mcc users 6 May 10 09:34 iscolored
-rw-r--r-- 1 mcc users 3.8K May 9 08:32 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K May 9 08:32 LTLCardinality.xml
-rw-r--r-- 1 mcc users 3.2K May 9 08:32 LTLFireability.txt
-rw-r--r-- 1 mcc users 20K May 9 08:32 LTLFireability.xml
-rw-r--r-- 1 mcc users 73M May 10 09:34 model.pnml
-rw-r--r-- 1 mcc users 1.6K May 9 08:32 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K May 9 08:32 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 RERS17pb114-PT-5-LTLFireability-00
FORMULA_NAME RERS17pb114-PT-5-LTLFireability-01
FORMULA_NAME RERS17pb114-PT-5-LTLFireability-02
FORMULA_NAME RERS17pb114-PT-5-LTLFireability-03
FORMULA_NAME RERS17pb114-PT-5-LTLFireability-04
FORMULA_NAME RERS17pb114-PT-5-LTLFireability-05
FORMULA_NAME RERS17pb114-PT-5-LTLFireability-06
FORMULA_NAME RERS17pb114-PT-5-LTLFireability-07
FORMULA_NAME RERS17pb114-PT-5-LTLFireability-08
FORMULA_NAME RERS17pb114-PT-5-LTLFireability-09
FORMULA_NAME RERS17pb114-PT-5-LTLFireability-10
FORMULA_NAME RERS17pb114-PT-5-LTLFireability-11
FORMULA_NAME RERS17pb114-PT-5-LTLFireability-12
FORMULA_NAME RERS17pb114-PT-5-LTLFireability-13
FORMULA_NAME RERS17pb114-PT-5-LTLFireability-14
FORMULA_NAME RERS17pb114-PT-5-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1652831223410

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.qLcdjV47cu
MF=/home/mcc/BenchKit/bin/tmp/tmp.2D2o74GK4N
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: 3587
---------------------------------------------------
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.qLcdjV47cu --write-reduced /home/mcc/BenchKit/bin/tmp/tmp.2D2o74GK4N -x 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16 ./model.pnml ./LTLFireability.xml
FORMULA RERS17pb114-PT-5-LTLFireability-05 FALSE TECHNIQUES COLLATERAL_PROCESSING STRUCTURAL_REDUCTION QUERY_REDUCTION SAT_SMT LP_APPROX
Query index 5 was solved

Query is NOT satisfied.

FORMULA RERS17pb114-PT-5-LTLFireability-09 TRUE TECHNIQUES COLLATERAL_PROCESSING STRUCTURAL_REDUCTION QUERY_REDUCTION SAT_SMT LP_APPROX
Query index 9 was solved

Query is satisfied.

FORMULA RERS17pb114-PT-5-LTLFireability-13 FALSE TECHNIQUES COLLATERAL_PROCESSING STRUCTURAL_REDUCTION QUERY_REDUCTION SAT_SMT LP_APPROX
Query index 13 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: 2918

---------------------------------------------------
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 NOT satisfied.
Spent 0.043486 on verification
@@@20.51,578596@@@
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.2D2o74GK4N /home/mcc/BenchKit/bin/tmp/tmp.qLcdjV47cu --binary-query-io 1 -x 1 -n

FORMULA RERS17pb114-PT-5-LTLFireability-06 FALSE TECHNIQUES EXPLICIT TARJAN WEAK_SKIP OPTIM-1
Time left: 2897
------------------- QUERY 2 ----------------------
Solution found by parallel processing (step 1)

Query index 0 was solved
Query is NOT satisfied.
Spent 0.048411 on verification
@@@22.00,577720@@@
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.2D2o74GK4N /home/mcc/BenchKit/bin/tmp/tmp.qLcdjV47cu --binary-query-io 1 -x 2 -n

FORMULA RERS17pb114-PT-5-LTLFireability-02 FALSE TECHNIQUES EXPLICIT TARJAN WEAK_SKIP OPTIM-1
Time left: 2875
------------------- QUERY 3 ----------------------
No solution found



Time left: 2574
------------------- QUERY 4 ----------------------
Solution found by parallel processing (step 1)

Query index 0 was solved
Query is NOT satisfied.
Spent 3.20781 on verification
@@@29.01,578244@@@
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.2D2o74GK4N /home/mcc/BenchKit/bin/tmp/tmp.qLcdjV47cu --binary-query-io 1 -x 4 -n

FORMULA RERS17pb114-PT-5-LTLFireability-03 FALSE TECHNIQUES EXPLICIT NDFS WEAK_SKIP HEURISTIC AUTOMATON_HEUR OPTIM-1
Time left: 2544
------------------- QUERY 5 ----------------------
Solution found by parallel processing (step 1)

Query index 0 was solved
Query is NOT satisfied.
Spent 0.053181 on verification
@@@17.58,578456@@@
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.2D2o74GK4N /home/mcc/BenchKit/bin/tmp/tmp.qLcdjV47cu --binary-query-io 1 -x 5 -n

FORMULA RERS17pb114-PT-5-LTLFireability-07 FALSE TECHNIQUES EXPLICIT TARJAN WEAK_SKIP STUBBORN AUT_STUB HEURISTIC DIST_HEUR OPTIM-1
Time left: 2526
------------------- QUERY 6 ----------------------
Solution found by parallel processing (step 1)

Query index 0 was solved
Query is NOT satisfied.
Spent 0.095285 on verification
@@@19.06,577728@@@
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.2D2o74GK4N /home/mcc/BenchKit/bin/tmp/tmp.qLcdjV47cu --binary-query-io 1 -x 6 -n

FORMULA RERS17pb114-PT-5-LTLFireability-10 FALSE TECHNIQUES EXPLICIT TARJAN WEAK_SKIP STUBBORN AUT_STUB HEURISTIC DIST_HEUR OPTIM-1
Time left: 2507
------------------- QUERY 7 ----------------------
Solution found by parallel processing (step 1)

Query index 0 was solved
Query is NOT satisfied.
Spent 0.360952 on verification
@@@21.25,577592@@@
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.2D2o74GK4N /home/mcc/BenchKit/bin/tmp/tmp.qLcdjV47cu --binary-query-io 1 -x 7 -n

FORMULA RERS17pb114-PT-5-LTLFireability-15 FALSE TECHNIQUES EXPLICIT NDFS WEAK_SKIP HEURISTIC AUTOMATON_HEUR OPTIM-1
Time left: 2485
------------------- QUERY 8 ----------------------
No solution found



Time left: 2184
------------------- QUERY 9 ----------------------
Solution found by parallel processing (step 1)

Query index 0 was solved
Query is NOT satisfied.
Spent 0.059998 on verification
@@@17.75,577444@@@
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.2D2o74GK4N /home/mcc/BenchKit/bin/tmp/tmp.qLcdjV47cu --binary-query-io 1 -x 9 -n

FORMULA RERS17pb114-PT-5-LTLFireability-08 FALSE TECHNIQUES EXPLICIT TARJAN WEAK_SKIP STUBBORN AUT_STUB HEURISTIC DIST_HEUR OPTIM-1
Time left: 2166
------------------- QUERY 10 ----------------------
Solution found by parallel processing (step 1)

Query index 0 was solved
Query is NOT satisfied.
Spent 1.23394 on verification
@@@20.34,579012@@@
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.2D2o74GK4N /home/mcc/BenchKit/bin/tmp/tmp.qLcdjV47cu --binary-query-io 1 -x 10 -n

FORMULA RERS17pb114-PT-5-LTLFireability-01 FALSE TECHNIQUES EXPLICIT NDFS WEAK_SKIP HEURISTIC AUTOMATON_HEUR OPTIM-1
Time left: 2145
------------------- QUERY 11 ----------------------
Solution found by parallel processing (step 1)

Query index 0 was solved
Query is NOT satisfied.
Spent 0.033472 on verification
@@@16.77,576768@@@
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.2D2o74GK4N /home/mcc/BenchKit/bin/tmp/tmp.qLcdjV47cu --binary-query-io 1 -x 11 -n

FORMULA RERS17pb114-PT-5-LTLFireability-12 FALSE TECHNIQUES EXPLICIT TARJAN WEAK_SKIP OPTIM-1
Time left: 2128
------------------- QUERY 12 ----------------------
No solution found



Time left: 1826
------------------- QUERY 13 ----------------------
Solution found by parallel processing (step 1)

Query index 0 was solved
Query is NOT satisfied.
Spent 0.052985 on verification
@@@17.08,576988@@@
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.2D2o74GK4N /home/mcc/BenchKit/bin/tmp/tmp.qLcdjV47cu --binary-query-io 1 -x 13 -n

FORMULA RERS17pb114-PT-5-LTLFireability-11 FALSE TECHNIQUES EXPLICIT TARJAN WEAK_SKIP STUBBORN AUT_STUB HEURISTIC DIST_HEUR OPTIM-1
Time left: 1809
---------------------------------------------------
Step 2: Sequential processing
---------------------------------------------------
Remaining 3 queries are verified sequentially.
Each query is verified for a dynamic timeout (at least 598 seconds)
Time left: 1809
------------------- QUERY 3 ----------------------
Running query 3 for 603 seconds. Remaining: 3 queries and 1809 seconds
No solution found



Time left: 1204
------------------- QUERY 8 ----------------------
Running query 8 for 602 seconds. Remaining: 2 queries and 1204 seconds
Solution found by sequential processing (step 2)
FORMULA RERS17pb114-PT-5-LTLFireability-04 FALSE TECHNIQUES EXPLICIT TARJAN WEAK_SKIP STUBBORN AUT_STUB HEURISTIC AUTOMATON_HEUR OPTIM-1

Query index 0 was solved
Query is NOT satisfied.
Spent 13.9428 on verification
@@@61.32,595760@@@
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.2D2o74GK4N /home/mcc/BenchKit/bin/tmp/tmp.qLcdjV47cu --binary-query-io 1 -x 8 -n

Query index 0 was solved
Query is NOT satisfied.
Spent 13.9428 on verification
@@@61.32,595760@@@
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.2D2o74GK4N /home/mcc/BenchKit/bin/tmp/tmp.qLcdjV47cu --binary-query-io 1 -x 8 -n

FORMULA RERS17pb114-PT-5-LTLFireability-04 FALSE TECHNIQUES EXPLICIT TARJAN WEAK_SKIP STUBBORN AUT_STUB HEURISTIC AUTOMATON_HEUR OPTIM-1
Time left: 1142
------------------- QUERY 12 ----------------------
Running query 12 for 1142 seconds. Remaining: 1 queries and 1142 seconds
Solution found by sequential processing (step 2)
FORMULA RERS17pb114-PT-5-LTLFireability-14 FALSE TECHNIQUES EXPLICIT TARJAN WEAK_SKIP STUBBORN AUT_STUB HEURISTIC AUTOMATON_HEUR OPTIM-1

Query index 0 was solved
Query is NOT satisfied.
Spent 100.26 on verification
@@@158.51,582956@@@
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.2D2o74GK4N /home/mcc/BenchKit/bin/tmp/tmp.qLcdjV47cu --binary-query-io 1 -x 12 -n

Query index 0 was solved
Query is NOT satisfied.
Spent 100.26 on verification
@@@158.51,582956@@@
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.2D2o74GK4N /home/mcc/BenchKit/bin/tmp/tmp.qLcdjV47cu --binary-query-io 1 -x 12 -n

FORMULA RERS17pb114-PT-5-LTLFireability-14 FALSE TECHNIQUES EXPLICIT TARJAN WEAK_SKIP STUBBORN AUT_STUB HEURISTIC AUTOMATON_HEUR OPTIM-1
Time left: 984
Time left: 984
---------------------------------------------------
Step 4: Random Parallel processing
---------------------------------------------------
Doing random parallel verification of individual queries (1 in total)
Each query is verified by 4 parallel strategies for 984 seconds
------------------- QUERY 3 ----------------------
No solution found
Command terminated by signal 9
@@@401.71,4140936@@@
Command terminated by signal 9
@@@549.23,5401468@@@
Command terminated by signal 9
@@@838.17,8160888@@@


Time left: -3
Out of time, terminating!
terminated-with-cleanup

BK_STOP 1652834816712

--------------------
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="RERS17pb114-PT-5"
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 RERS17pb114-PT-5, 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 r183-tajo-165281568800108"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/RERS17pb114-PT-5.tgz
mv RERS17pb114-PT-5 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 '' LTLFireability.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
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 ;