About the Execution of Tapaal for DiscoveryGPU-PT-10b
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 16226.439 | 3593748.00 | 8361566.00 | 9645.90 | F?T?FTFTFFTFT?F? | 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.r075-tall-165260106500074.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)
........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................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=====================================================================
Generated by BenchKit 2-4028
Executing tool tapaal
Input is DiscoveryGPU-PT-10b, examination is CTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r075-tall-165260106500074
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 324K
-rw-r--r-- 1 mcc users 8.0K Apr 30 07:06 CTLCardinality.txt
-rw-r--r-- 1 mcc users 89K Apr 30 07:06 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.4K Apr 30 07:06 CTLFireability.txt
-rw-r--r-- 1 mcc users 48K Apr 30 07:06 CTLFireability.xml
-rw-r--r-- 1 mcc users 6 May 10 09:33 equiv_col
-rw-r--r-- 1 mcc users 4.2K May 10 09:33 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.6K May 10 09:33 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 4 May 10 09:33 instance
-rw-r--r-- 1 mcc users 6 May 10 09:33 iscolored
-rw-r--r-- 1 mcc users 3.7K May 9 07:40 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K May 9 07:40 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K May 9 07:40 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K May 9 07:40 LTLFireability.xml
-rw-r--r-- 1 mcc users 75K May 10 09:33 model.pnml
-rw-r--r-- 1 mcc users 1.7K May 9 07:40 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K May 9 07:40 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 DiscoveryGPU-PT-10b-CTLFireability-00
FORMULA_NAME DiscoveryGPU-PT-10b-CTLFireability-01
FORMULA_NAME DiscoveryGPU-PT-10b-CTLFireability-02
FORMULA_NAME DiscoveryGPU-PT-10b-CTLFireability-03
FORMULA_NAME DiscoveryGPU-PT-10b-CTLFireability-04
FORMULA_NAME DiscoveryGPU-PT-10b-CTLFireability-05
FORMULA_NAME DiscoveryGPU-PT-10b-CTLFireability-06
FORMULA_NAME DiscoveryGPU-PT-10b-CTLFireability-07
FORMULA_NAME DiscoveryGPU-PT-10b-CTLFireability-08
FORMULA_NAME DiscoveryGPU-PT-10b-CTLFireability-09
FORMULA_NAME DiscoveryGPU-PT-10b-CTLFireability-10
FORMULA_NAME DiscoveryGPU-PT-10b-CTLFireability-11
FORMULA_NAME DiscoveryGPU-PT-10b-CTLFireability-12
FORMULA_NAME DiscoveryGPU-PT-10b-CTLFireability-13
FORMULA_NAME DiscoveryGPU-PT-10b-CTLFireability-14
FORMULA_NAME DiscoveryGPU-PT-10b-CTLFireability-15
=== Now, execution of the tool begins
BK_START 1652613733521
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 CTLFireability *
*************************************
TEMPDIR=/home/mcc/BenchKit/bin/tmp
QF=/home/mcc/BenchKit/bin/tmp/tmp.iAfoFxwmP7
MF=/home/mcc/BenchKit/bin/tmp/tmp.pQlqdu0bU8
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 ./CTLFireability.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.iAfoFxwmP7 --write-reduced /home/mcc/BenchKit/bin/tmp/tmp.pQlqdu0bU8 -x 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16 ./model.pnml ./CTLFireability.xml
FORMULA DiscoveryGPU-PT-10b-CTLFireability-08 FALSE TECHNIQUES COLLATERAL_PROCESSING STRUCTURAL_REDUCTION QUERY_REDUCTION SAT_SMT LP_APPROX
Query index 8 was solved
Query is NOT satisfied.
Solution found by parallel simplification (step 0)
Time left: 3590
---------------------------------------------------
Step 1: Parallel processing
---------------------------------------------------
Doing parallel verification of individual queries (15 in total)
Each query is verified by 4 parallel strategies for 299 seconds
------------------- QUERY 1 ----------------------
Solution found by parallel processing (step 1)
Search strategy option was ignored as the TAR engine is called.
Query index 0 was solved
Query is satisfied.
Solved using Trace Abstraction Refinement
Spent 0.00015 on verification
@@@0.01,6472@@@
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.pQlqdu0bU8 /home/mcc/BenchKit/bin/tmp/tmp.iAfoFxwmP7 --binary-query-io 1 -x 1 -n
FORMULA DiscoveryGPU-PT-10b-CTLFireability-05 TRUE TECHNIQUES COLLATERAL_PROCESSING STRUCTURAL_REDUCTION QUERY_REDUCTION SAT_SMT TRACE_ABSTRACTION_REFINEMENT
Time left: 3589
------------------- QUERY 2 ----------------------
Solution found by parallel processing (step 1)
Query index 0 was solved
Query is NOT satisfied.
Spent 0.047366 on verification
@@@0.05,59780@@@
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.pQlqdu0bU8 /home/mcc/BenchKit/bin/tmp/tmp.iAfoFxwmP7 --binary-query-io 1 -x 2 -n
FORMULA DiscoveryGPU-PT-10b-CTLFireability-14 FALSE 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 0.05223 on verification
@@@0.06,60216@@@
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.pQlqdu0bU8 /home/mcc/BenchKit/bin/tmp/tmp.iAfoFxwmP7 --binary-query-io 1 -x 3 -n
FORMULA DiscoveryGPU-PT-10b-CTLFireability-11 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION SAT_SMT STUBBORN_SETS CTL_CZERO
Time left: 3589
------------------- QUERY 4 ----------------------
Solution found by parallel processing (step 1)
Query index 0 was solved
Query is satisfied.
Spent 0.052856 on verification
@@@0.06,60408@@@
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.pQlqdu0bU8 /home/mcc/BenchKit/bin/tmp/tmp.iAfoFxwmP7 --binary-query-io 1 -x 4 -n
FORMULA DiscoveryGPU-PT-10b-CTLFireability-12 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION SAT_SMT STUBBORN_SETS CTL_CZERO
Time left: 3589
------------------- QUERY 5 ----------------------
Solution found by parallel processing (step 1)
Query index 0 was solved
Query is satisfied.
Spent 0.056067 on verification
@@@0.06,60212@@@
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.pQlqdu0bU8 /home/mcc/BenchKit/bin/tmp/tmp.iAfoFxwmP7 --binary-query-io 1 -x 5 -n
FORMULA DiscoveryGPU-PT-10b-CTLFireability-10 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION SAT_SMT STUBBORN_SETS CTL_CZERO
Time left: 3588
------------------- QUERY 6 ----------------------
Solution found by parallel processing (step 1)
Query index 0 was solved
Query is satisfied.
Spent 0.051477 on verification
@@@0.06,60360@@@
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.pQlqdu0bU8 /home/mcc/BenchKit/bin/tmp/tmp.iAfoFxwmP7 --binary-query-io 1 -x 6 -n
FORMULA DiscoveryGPU-PT-10b-CTLFireability-02 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION SAT_SMT STUBBORN_SETS CTL_CZERO
Time left: 3588
------------------- QUERY 7 ----------------------
No solution found
Command terminated by signal 9
@@@101.65,5812404@@@
Command terminated by signal 9
@@@161.84,8932012@@@
Time left: 3286
------------------- QUERY 8 ----------------------
Solution found by parallel processing (step 1)
Query index 0 was solved
Query is NOT satisfied.
Spent 0.047704 on verification
@@@0.05,60424@@@
Query index 0 was solved
Query is NOT satisfied.
Spent 0.054618 on verification
@@@0.07,60332@@@
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.pQlqdu0bU8 /home/mcc/BenchKit/bin/tmp/tmp.iAfoFxwmP7 --binary-query-io 1 -x 8 -n
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.pQlqdu0bU8 /home/mcc/BenchKit/bin/tmp/tmp.iAfoFxwmP7 --binary-query-io 1 -x 8 -n
FORMULA DiscoveryGPU-PT-10b-CTLFireability-06 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION SAT_SMT STUBBORN_SETS CTL_CZERO
Time left: 3286
------------------- QUERY 9 ----------------------
No solution found
Command terminated by signal 9
@@@161.15,7646096@@@
Time left: 2984
------------------- QUERY 10 ----------------------
Solution found by parallel processing (step 1)
Query index 0 was solved
Query is NOT satisfied.
Spent 0.058207 on verification
Query index 0 was solved
Query is NOT satisfied.
Spent 0.073683 on verification
@@@0.09,60244@@@
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.pQlqdu0bU8 /home/mcc/BenchKit/bin/tmp/tmp.iAfoFxwmP7 --binary-query-io 1 -x 10 -n
FORMULA DiscoveryGPU-PT-10b-CTLFireability-09 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION SAT_SMT STUBBORN_SETS CTL_CZERO
Time left: 2983
------------------- QUERY 11 ----------------------
Solution found by parallel processing (step 1)
Query index 0 was solved
Query is NOT satisfied.
Spent 0.132352 on verification
@@@0.14,60408@@@
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.pQlqdu0bU8 /home/mcc/BenchKit/bin/tmp/tmp.iAfoFxwmP7 --binary-query-io 1 -x 11 -n
FORMULA DiscoveryGPU-PT-10b-CTLFireability-04 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION SAT_SMT STUBBORN_SETS CTL_CZERO
Time left: 2983
------------------- QUERY 12 ----------------------
Solution found by parallel processing (step 1)
Query index 0 was solved
Query is NOT satisfied.
Spent 0.045539 on verification
@@@0.05,60236@@@
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.pQlqdu0bU8 /home/mcc/BenchKit/bin/tmp/tmp.iAfoFxwmP7 --binary-query-io 1 -x 12 -n
FORMULA DiscoveryGPU-PT-10b-CTLFireability-00 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION SAT_SMT STUBBORN_SETS CTL_CZERO
Time left: 2983
------------------- QUERY 13 ----------------------
No solution found
Command terminated by signal 9
@@@93.23,5941028@@@
Command terminated by signal 9
@@@148.03,8088600@@@
Time left: 2682
------------------- QUERY 14 ----------------------
Solution found by parallel processing (step 1)
Query index 0 was solved
Query is satisfied.
Spent 0.053787 on verification
@@@0.07,60200@@@
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.pQlqdu0bU8 /home/mcc/BenchKit/bin/tmp/tmp.iAfoFxwmP7 --binary-query-io 1 -x 14 -n
FORMULA DiscoveryGPU-PT-10b-CTLFireability-07 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION SAT_SMT STUBBORN_SETS CTL_CZERO
Time left: 2681
------------------- QUERY 15 ----------------------
No solution found
Command terminated by signal 9
@@@112.41,6325784@@@
Command terminated by signal 9
@@@185.39,9682192@@@
Time left: 2379
---------------------------------------------------
Step 2: Sequential processing
---------------------------------------------------
Remaining 4 queries are verified sequentially.
Each query is verified for a dynamic timeout (at least 598 seconds)
Time left: 2379
------------------- QUERY 7 ----------------------
Running query 7 for 598 seconds. Remaining: 4 queries and 2379 seconds
No solution found
Command terminated by signal 9
@@@165.68,9086632@@@
Command terminated by signal 9
@@@380.77,16147772@@@
Time left: 1998
------------------- QUERY 9 ----------------------
Running query 9 for 666 seconds. Remaining: 3 queries and 1998 seconds
No solution found
Command terminated by signal 9
@@@288.87,11393024@@@
Time left: 1329
------------------- QUERY 13 ----------------------
Running query 13 for 664 seconds. Remaining: 2 queries and 1329 seconds
No solution found
Command terminated by signal 9
@@@130.34,8641228@@@
Command terminated by signal 9
@@@280.09,16145992@@@
Time left: 1049
------------------- QUERY 15 ----------------------
Running query 15 for 1049 seconds. Remaining: 1 queries and 1049 seconds
No solution found
Command terminated by signal 9
@@@123.41,8524464@@@
Command terminated by signal 9
@@@270.67,16148192@@@
Time left: 778
Time left: 778
---------------------------------------------------
Step 4: Random Parallel processing
---------------------------------------------------
Doing random parallel verification of individual queries (4 in total)
Each query is verified by 4 parallel strategies for 194 seconds
------------------- QUERY 7 ----------------------
No solution found
Command terminated by signal 9
@@@92.75,4135152@@@
Command terminated by signal 9
@@@124.27,5539608@@@
Command terminated by signal 9
@@@192.97,8181492@@@
Time left: 583
------------------- QUERY 9 ----------------------
No solution found
Command terminated by signal 9
@@@104.77,4112536@@@
Command terminated by signal 9
@@@141.19,5518740@@@
Time left: 385
------------------- QUERY 13 ----------------------
No solution found
Command terminated by signal 9
@@@89.28,4852292@@@
Command terminated by signal 9
@@@118.12,6702216@@@
Command terminated by signal 9
@@@174.65,8084400@@@
Time left: 189
------------------- QUERY 15 ----------------------
No solution found
Command terminated by signal 9
@@@88.06,5059260@@@
Command terminated by signal 9
@@@115.54,6145416@@@
Command terminated by signal 9
@@@165.41,8501304@@@
Time left: -4
Out of time, terminating!
terminated-with-cleanup
BK_STOP 1652617327269
--------------------
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="DiscoveryGPU-PT-10b"
export BK_EXAMINATION="CTLFireability"
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 DiscoveryGPU-PT-10b, examination is CTLFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r075-tall-165260106500074"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/DiscoveryGPU-PT-10b.tgz
mv DiscoveryGPU-PT-10b execution
cd execution
if [ "CTLFireability" = "ReachabilityDeadlock" ] || [ "CTLFireability" = "UpperBounds" ] || [ "CTLFireability" = "QuasiLiveness" ] || [ "CTLFireability" = "StableMarking" ] || [ "CTLFireability" = "Liveness" ] || [ "CTLFireability" = "OneSafe" ] || [ "CTLFireability" = "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 [ "CTLFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "CTLFireability" != "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 "CTLFireability.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property CTLFireability.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "CTLFireability.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 [ "CTLFireability" = "ReachabilityDeadlock" ] || [ "CTLFireability" = "QuasiLiveness" ] || [ "CTLFireability" = "StableMarking" ] || [ "CTLFireability" = "Liveness" ] || [ "CTLFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME CTLFireability"
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 ;