fond
Model Checking Contest 2022
12th edition, Bergen, Norway, June 21, 2022
Execution of r255-tall-165303542900841
Last Updated
Jun 22, 2022

About the Execution of Tapaal for TwoPhaseLocking-PT-nC02000vD

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
16227.107 3592556.00 7387574.00 13467.60 ?TFFTFTTTTTFTFFT 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-165303542900841.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 TwoPhaseLocking-PT-nC02000vD, examination is CTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r255-tall-165303542900841
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 220K
-rw-r--r-- 1 mcc users 6.5K Apr 30 10:34 CTLCardinality.txt
-rw-r--r-- 1 mcc users 62K Apr 30 10:34 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.9K Apr 30 10:33 CTLFireability.txt
-rw-r--r-- 1 mcc users 53K Apr 30 10:33 CTLFireability.xml
-rw-r--r-- 1 mcc users 6 May 10 09:34 equiv_col
-rw-r--r-- 1 mcc users 10 May 10 09:34 instance
-rw-r--r-- 1 mcc users 6 May 10 09:34 iscolored
-rw-r--r-- 1 mcc users 4.0K May 9 09:18 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K May 9 09:18 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K May 9 09:18 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K May 9 09:18 LTLFireability.xml
-rw-r--r-- 1 mcc users 4.6K May 10 09:34 model.pnml
-rw-r--r-- 1 mcc users 1.8K May 9 09:18 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.9K May 9 09:18 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 TwoPhaseLocking-PT-nC02000vD-CTLCardinality-00
FORMULA_NAME TwoPhaseLocking-PT-nC02000vD-CTLCardinality-01
FORMULA_NAME TwoPhaseLocking-PT-nC02000vD-CTLCardinality-02
FORMULA_NAME TwoPhaseLocking-PT-nC02000vD-CTLCardinality-03
FORMULA_NAME TwoPhaseLocking-PT-nC02000vD-CTLCardinality-04
FORMULA_NAME TwoPhaseLocking-PT-nC02000vD-CTLCardinality-05
FORMULA_NAME TwoPhaseLocking-PT-nC02000vD-CTLCardinality-06
FORMULA_NAME TwoPhaseLocking-PT-nC02000vD-CTLCardinality-07
FORMULA_NAME TwoPhaseLocking-PT-nC02000vD-CTLCardinality-08
FORMULA_NAME TwoPhaseLocking-PT-nC02000vD-CTLCardinality-09
FORMULA_NAME TwoPhaseLocking-PT-nC02000vD-CTLCardinality-10
FORMULA_NAME TwoPhaseLocking-PT-nC02000vD-CTLCardinality-11
FORMULA_NAME TwoPhaseLocking-PT-nC02000vD-CTLCardinality-12
FORMULA_NAME TwoPhaseLocking-PT-nC02000vD-CTLCardinality-13
FORMULA_NAME TwoPhaseLocking-PT-nC02000vD-CTLCardinality-14
FORMULA_NAME TwoPhaseLocking-PT-nC02000vD-CTLCardinality-15

=== Now, execution of the tool begins

BK_START 1653349728591

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 CTLCardinality *
*************************************
TEMPDIR=/home/mcc/BenchKit/bin/tmp
QF=/home/mcc/BenchKit/bin/tmp/tmp.aA7JXXgqcI
MF=/home/mcc/BenchKit/bin/tmp/tmp.xuL1MAXL3C
Time left: 3590
---------------------------------------------------
Step -1: Stripping Colors
---------------------------------------------------
Verifying stripped models (16 in total)
/home/mcc/BenchKit/bin/verifypn -n -c -q 718 -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 ./CTLCardinality.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 3590 /home/mcc/BenchKit/bin/verifypn -n -q 718 -l 29 -d 299 -z 4 -s OverApprox --binary-query-io 2 --write-simplified /home/mcc/BenchKit/bin/tmp/tmp.aA7JXXgqcI --write-reduced /home/mcc/BenchKit/bin/tmp/tmp.xuL1MAXL3C -x 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16 ./model.pnml ./CTLCardinality.xml
FORMULA TwoPhaseLocking-PT-nC02000vD-CTLCardinality-01 TRUE TECHNIQUES COLLATERAL_PROCESSING STRUCTURAL_REDUCTION QUERY_REDUCTION SAT_SMT LP_APPROX
Query index 1 was solved

Query is satisfied.

FORMULA TwoPhaseLocking-PT-nC02000vD-CTLCardinality-03 FALSE TECHNIQUES COLLATERAL_PROCESSING STRUCTURAL_REDUCTION QUERY_REDUCTION SAT_SMT LP_APPROX
Query index 3 was solved

Query is NOT satisfied.

FORMULA TwoPhaseLocking-PT-nC02000vD-CTLCardinality-04 TRUE TECHNIQUES COLLATERAL_PROCESSING STRUCTURAL_REDUCTION QUERY_REDUCTION SAT_SMT LP_APPROX
Query index 4 was solved

Query is satisfied.

FORMULA TwoPhaseLocking-PT-nC02000vD-CTLCardinality-05 FALSE TECHNIQUES COLLATERAL_PROCESSING STRUCTURAL_REDUCTION QUERY_REDUCTION SAT_SMT LP_APPROX
Query index 5 was solved

Query is NOT satisfied.

FORMULA TwoPhaseLocking-PT-nC02000vD-CTLCardinality-06 TRUE TECHNIQUES COLLATERAL_PROCESSING STRUCTURAL_REDUCTION QUERY_REDUCTION SAT_SMT LP_APPROX
Query index 6 was solved

Query is satisfied.

FORMULA TwoPhaseLocking-PT-nC02000vD-CTLCardinality-09 TRUE TECHNIQUES COLLATERAL_PROCESSING STRUCTURAL_REDUCTION QUERY_REDUCTION SAT_SMT LP_APPROX
Query index 9 was solved

Query is satisfied.

FORMULA TwoPhaseLocking-PT-nC02000vD-CTLCardinality-10 TRUE TECHNIQUES COLLATERAL_PROCESSING STRUCTURAL_REDUCTION QUERY_REDUCTION SAT_SMT LP_APPROX
Query index 10 was solved

Query is satisfied.

FORMULA TwoPhaseLocking-PT-nC02000vD-CTLCardinality-11 FALSE TECHNIQUES COLLATERAL_PROCESSING STRUCTURAL_REDUCTION QUERY_REDUCTION SAT_SMT LP_APPROX
Query index 11 was solved

Query is NOT satisfied.

FORMULA TwoPhaseLocking-PT-nC02000vD-CTLCardinality-13 FALSE TECHNIQUES COLLATERAL_PROCESSING STRUCTURAL_REDUCTION QUERY_REDUCTION SAT_SMT LP_APPROX
Query index 13 was solved

Query is NOT satisfied.

FORMULA TwoPhaseLocking-PT-nC02000vD-CTLCardinality-15 TRUE TECHNIQUES COLLATERAL_PROCESSING STRUCTURAL_REDUCTION QUERY_REDUCTION SAT_SMT LP_APPROX
Query index 15 was solved

Query is satisfied.
Solution found by parallel simplification (step 0)
Solution found by parallel simplification (step 0)
Solution found by parallel simplification (step 0)
Solution found by parallel simplification (step 0)
Solution found by parallel simplification (step 0)
Solution found by parallel simplification (step 0)
Solution found by parallel simplification (step 0)
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 (6 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 0.070296 on verification
@@@0.07,59204@@@
parallel: This job succeeded:
eval /usr/bin/time -f "@@@%e,%M@@@" /home/mcc/BenchKit/bin/verifypn -n -tar\ -s\ RDFS\ -q\ 0\ -l\ 0\ -d\ 119 /home/mcc/BenchKit/bin/tmp/tmp.xuL1MAXL3C /home/mcc/BenchKit/bin/tmp/tmp.aA7JXXgqcI --binary-query-io 1 -x 1 -n

FORMULA TwoPhaseLocking-PT-nC02000vD-CTLCardinality-14 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION SAT_SMT STUBBORN_SETS CTL_CZERO
Time left: 3589
------------------- QUERY 2 ----------------------
Solution found by parallel processing (step 1)


Query index 0 was solved
Query is satisfied.

Spent 0.055612 on verification
@@@0.06,59508@@@
parallel: This job succeeded:
eval /usr/bin/time -f "@@@%e,%M@@@" /home/mcc/BenchKit/bin/verifypn -n -tar\ -s\ RDFS\ -q\ 0\ -l\ 0\ -d\ 119 /home/mcc/BenchKit/bin/tmp/tmp.xuL1MAXL3C /home/mcc/BenchKit/bin/tmp/tmp.aA7JXXgqcI --binary-query-io 1 -x 2 -n

FORMULA TwoPhaseLocking-PT-nC02000vD-CTLCardinality-08 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION SAT_SMT STUBBORN_SETS CTL_CZERO
Time left: 3589
------------------- QUERY 3 ----------------------
Solution found by parallel processing (step 1)


Query index 0 was solved
Query is NOT satisfied.

Spent 23.1668 on verification
@@@23.27,3380456@@@
parallel: This job succeeded:
eval /usr/bin/time -f "@@@%e,%M@@@" /home/mcc/BenchKit/bin/verifypn -n -tar\ -s\ RDFS\ -q\ 0\ -l\ 0\ -d\ 119 /home/mcc/BenchKit/bin/tmp/tmp.xuL1MAXL3C /home/mcc/BenchKit/bin/tmp/tmp.aA7JXXgqcI --binary-query-io 1 -x 3 -n

FORMULA TwoPhaseLocking-PT-nC02000vD-CTLCardinality-02 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION SAT_SMT STUBBORN_SETS CTL_CZERO
Time left: 3565
------------------- QUERY 4 ----------------------
Solution found by parallel processing (step 1)


Query index 0 was solved
Query is satisfied.

Spent 4.38858 on verification
@@@4.41,754392@@@
parallel: This job succeeded:
eval /usr/bin/time -f "@@@%e,%M@@@" /home/mcc/BenchKit/bin/verifypn -n -tar\ -s\ RDFS\ -q\ 0\ -l\ 0\ -d\ 119 /home/mcc/BenchKit/bin/tmp/tmp.xuL1MAXL3C /home/mcc/BenchKit/bin/tmp/tmp.aA7JXXgqcI --binary-query-io 1 -x 4 -n

FORMULA TwoPhaseLocking-PT-nC02000vD-CTLCardinality-12 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION SAT_SMT STUBBORN_SETS CTL_CZERO
Time left: 3561
------------------- QUERY 5 ----------------------
Solution found by parallel processing (step 1)


Query index 0 was solved
Query is satisfied.

Spent 11.729 on verification
@@@11.76,837520@@@
parallel: This job succeeded:
eval /usr/bin/time -f "@@@%e,%M@@@" /home/mcc/BenchKit/bin/verifypn -n -s\ DFS\ -q\ 0\ -l\ 0\ -d\ 119 /home/mcc/BenchKit/bin/tmp/tmp.xuL1MAXL3C /home/mcc/BenchKit/bin/tmp/tmp.aA7JXXgqcI --binary-query-io 1 -x 5 -n

FORMULA TwoPhaseLocking-PT-nC02000vD-CTLCardinality-07 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION SAT_SMT STUBBORN_SETS CTL_CZERO
Time left: 3549
------------------- QUERY 6 ----------------------
No solution found
Command terminated by signal 9
@@@62.09,5927280@@@
Command terminated by signal 9
@@@102.38,8614008@@@
Command terminated by signal 9
@@@230.06,15543816@@@


Time left: 3248
---------------------------------------------------
Step 2: Sequential processing
---------------------------------------------------
Remaining 1 queries are verified sequentially.
Each query is verified for a dynamic timeout (at least 512 seconds)
Time left: 3248
------------------- QUERY 6 ----------------------
Running query 6 for 3248 seconds. Remaining: 1 queries and 3248 seconds
No solution found
Command terminated by signal 9
@@@107.17,8684192@@@
Command terminated by signal 9
@@@238.19,16148472@@@


Time left: 3009
Time left: 3009
---------------------------------------------------
Step 4: Random Parallel processing
---------------------------------------------------
Doing random parallel verification of individual queries (1 in total)
Each query is verified by 4 parallel strategies for 3009 seconds
------------------- QUERY 6 ----------------------
No solution found
Command terminated by signal 9
@@@60.15,4517292@@@
Command terminated by signal 9
@@@82.57,5631972@@@
Command terminated by signal 9
@@@148.40,8084380@@@
Command terminated by signal 9
@@@273.62,16149660@@@


Time left: 2735
Time left: 2735
---------------------------------------------------
Step 4: Random Parallel processing
---------------------------------------------------
Doing random parallel verification of individual queries (1 in total)
Each query is verified by 4 parallel strategies for 2735 seconds
------------------- QUERY 6 ----------------------
No solution found
Command terminated by signal 9
@@@59.58,4371252@@@
Command terminated by signal 9
@@@83.40,5679236@@@
Command terminated by signal 9
@@@132.40,8145892@@@
Command terminated by signal 9
@@@274.00,16143404@@@


Time left: 2461
Time left: 2461
---------------------------------------------------
Step 4: Random Parallel processing
---------------------------------------------------
Doing random parallel verification of individual queries (1 in total)
Each query is verified by 4 parallel strategies for 2461 seconds
------------------- QUERY 6 ----------------------
No solution found
Command terminated by signal 9
@@@57.73,4297544@@@
Command terminated by signal 9
@@@79.59,5728652@@@
Command terminated by signal 9
@@@126.93,8194276@@@
Command terminated by signal 9
@@@256.60,16148600@@@


Time left: 2204
Time left: 2204
---------------------------------------------------
Step 4: Random Parallel processing
---------------------------------------------------
Doing random parallel verification of individual queries (1 in total)
Each query is verified by 4 parallel strategies for 2204 seconds
------------------- QUERY 6 ----------------------
No solution found
Command terminated by signal 9
@@@77.57,4744632@@@
Command terminated by signal 9
@@@104.38,5674524@@@
Command terminated by signal 9
@@@156.26,8083764@@@
Command terminated by signal 9
@@@288.56,16149540@@@


Time left: 1915
Time left: 1915
---------------------------------------------------
Step 4: Random Parallel processing
---------------------------------------------------
Doing random parallel verification of individual queries (1 in total)
Each query is verified by 4 parallel strategies for 1915 seconds
------------------- QUERY 6 ----------------------
No solution found
Command terminated by signal 9
@@@61.59,4131688@@@
Command terminated by signal 9
@@@84.46,5492188@@@
Command terminated by signal 9
@@@137.50,8110316@@@
Command terminated by signal 9
@@@277.36,16144084@@@


Time left: 1637
Time left: 1637
---------------------------------------------------
Step 4: Random Parallel processing
---------------------------------------------------
Doing random parallel verification of individual queries (1 in total)
Each query is verified by 4 parallel strategies for 1637 seconds
------------------- QUERY 6 ----------------------
No solution found
Command terminated by signal 9
@@@58.12,4086812@@@
Command terminated by signal 9
@@@79.50,5498196@@@
Command terminated by signal 9
@@@131.89,8084256@@@
Command terminated by signal 9
@@@271.32,16147096@@@


Time left: 1366
Time left: 1366
---------------------------------------------------
Step 4: Random Parallel processing
---------------------------------------------------
Doing random parallel verification of individual queries (1 in total)
Each query is verified by 4 parallel strategies for 1366 seconds
------------------- QUERY 6 ----------------------
No solution found
Command terminated by signal 9
@@@60.22,4082300@@@
Command terminated by signal 9
@@@84.17,5466744@@@
Command terminated by signal 9
@@@136.86,8206988@@@
Command terminated by signal 9
@@@287.11,16149032@@@


Time left: 1078
Time left: 1078
---------------------------------------------------
Step 4: Random Parallel processing
---------------------------------------------------
Doing random parallel verification of individual queries (1 in total)
Each query is verified by 4 parallel strategies for 1078 seconds
------------------- QUERY 6 ----------------------
No solution found
Command terminated by signal 9
@@@61.03,4129184@@@
Command terminated by signal 9
@@@83.85,5407428@@@
Command terminated by signal 9
@@@134.59,8075692@@@
Command terminated by signal 9
@@@269.79,16145912@@@


Time left: 808
Time left: 808
---------------------------------------------------
Step 4: Random Parallel processing
---------------------------------------------------
Doing random parallel verification of individual queries (1 in total)
Each query is verified by 4 parallel strategies for 808 seconds
------------------- QUERY 6 ----------------------
No solution found
Command terminated by signal 9
@@@86.19,4307316@@@
Command terminated by signal 9
@@@114.79,5498488@@@
Command terminated by signal 9
@@@166.08,8166540@@@
Command terminated by signal 9
@@@300.86,16149392@@@


Time left: 507
Time left: 507
---------------------------------------------------
Step 4: Random Parallel processing
---------------------------------------------------
Doing random parallel verification of individual queries (1 in total)
Each query is verified by 4 parallel strategies for 507 seconds
------------------- QUERY 6 ----------------------
No solution found
Command terminated by signal 9
@@@59.99,4065408@@@
Command terminated by signal 9
@@@82.15,5431232@@@
Command terminated by signal 9
@@@130.80,8089560@@@
Command terminated by signal 9
@@@264.55,16148380@@@


Time left: 242
Time left: 242
---------------------------------------------------
Step 4: Random Parallel processing
---------------------------------------------------
Doing random parallel verification of individual queries (1 in total)
Each query is verified by 4 parallel strategies for 242 seconds
------------------- QUERY 6 ----------------------
No solution found
Command terminated by signal 9
@@@61.01,4132416@@@
Command terminated by signal 9
@@@83.60,5395084@@@
Command terminated by signal 9
@@@135.53,8078972@@@


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

BK_STOP 1653353321147

--------------------
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="TwoPhaseLocking-PT-nC02000vD"
export BK_EXAMINATION="CTLCardinality"
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 TwoPhaseLocking-PT-nC02000vD, examination is CTLCardinality"
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-165303542900841"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/TwoPhaseLocking-PT-nC02000vD.tgz
mv TwoPhaseLocking-PT-nC02000vD execution
cd execution
if [ "CTLCardinality" = "ReachabilityDeadlock" ] || [ "CTLCardinality" = "UpperBounds" ] || [ "CTLCardinality" = "QuasiLiveness" ] || [ "CTLCardinality" = "StableMarking" ] || [ "CTLCardinality" = "Liveness" ] || [ "CTLCardinality" = "OneSafe" ] || [ "CTLCardinality" = "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 [ "CTLCardinality" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "CTLCardinality" != "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 "CTLCardinality.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property CTLCardinality.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "CTLCardinality.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 '' CTLCardinality.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "CTLCardinality" = "ReachabilityDeadlock" ] || [ "CTLCardinality" = "QuasiLiveness" ] || [ "CTLCardinality" = "StableMarking" ] || [ "CTLCardinality" = "Liveness" ] || [ "CTLCardinality" = "OneSafe" ] ; then
echo "FORMULA_NAME CTLCardinality"
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 ;