fond
Model Checking Contest 2024
14th edition, Geneva, Switzerland, June 25, 2024
Execution of r404-tall-171690541200804
Last Updated
July 7, 2024

About the Execution of Tapaal for SwimmingPool-PT-10

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
9625.132 897839.00 2271986.00 861.10 FFFTFFFTFFTTTFFF normal

Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2024-input.r404-tall-171690541200804.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2024-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
.....................................................
=====================================================================
Generated by BenchKit 2-5568
Executing tool tapaal
Input is SwimmingPool-PT-10, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r404-tall-171690541200804
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 388K
-rw-r--r-- 1 mcc users 6.8K May 14 13:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 67K May 14 13:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.1K May 14 13:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 59K May 14 13:22 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 18 16:43 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.4K May 18 16:43 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.2K Apr 23 08:01 LTLCardinality.txt
-rw-r--r-- 1 mcc users 20K Apr 23 08:01 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Apr 23 08:01 LTLFireability.txt
-rw-r--r-- 1 mcc users 16K Apr 23 08:01 LTLFireability.xml
-rw-r--r-- 1 mcc users 7.0K Apr 12 19:46 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 60K Apr 12 19:46 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.0K Apr 12 19:46 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 78K Apr 12 19:46 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Apr 23 08:01 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Apr 23 08:01 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 18 16:43 equiv_col
-rw-r--r-- 1 mcc users 3 May 18 16:43 instance
-rw-r--r-- 1 mcc users 6 May 18 16:43 iscolored
-rw-r--r-- 1 mcc users 3.9K May 18 16:43 model.pnml

--------------------
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-10-LTLFireability-00
FORMULA_NAME SwimmingPool-PT-10-LTLFireability-01
FORMULA_NAME SwimmingPool-PT-10-LTLFireability-02
FORMULA_NAME SwimmingPool-PT-10-LTLFireability-03
FORMULA_NAME SwimmingPool-PT-10-LTLFireability-04
FORMULA_NAME SwimmingPool-PT-10-LTLFireability-05
FORMULA_NAME SwimmingPool-PT-10-LTLFireability-06
FORMULA_NAME SwimmingPool-PT-10-LTLFireability-07
FORMULA_NAME SwimmingPool-PT-10-LTLFireability-08
FORMULA_NAME SwimmingPool-PT-10-LTLFireability-09
FORMULA_NAME SwimmingPool-PT-10-LTLFireability-10
FORMULA_NAME SwimmingPool-PT-10-LTLFireability-11
FORMULA_NAME SwimmingPool-PT-10-LTLFireability-12
FORMULA_NAME SwimmingPool-PT-10-LTLFireability-13
FORMULA_NAME SwimmingPool-PT-10-LTLFireability-14
FORMULA_NAME SwimmingPool-PT-10-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1717182331276

tapaal
Got BK_BIN_PATH=/home/mcc/BenchKit/bin/
---> tapaal --- TAPAAL - v2.2024
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.vySrdv85sx
MF=/home/mcc/BenchKit/bin/tmp/tmp.s1hTgqactd
Time left: 3590
---------------------------------------------------
Step -1: Stripping Colors
---------------------------------------------------
Verifying stripped models (16 in total)

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.vySrdv85sx --write-reduced /home/mcc/BenchKit/bin/tmp/tmp.s1hTgqactd -x 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16 ./model.pnml ./LTLFireability.xml

FORMULA SwimmingPool-PT-10-LTLFireability-02 FALSE TECHNIQUES COLLATERAL_PROCESSING STRUCTURAL_REDUCTION QUERY_REDUCTION SAT_SMT LP_APPROX
Query index 2 was solved

Query is NOT satisfied.

FORMULA SwimmingPool-PT-10-LTLFireability-04 FALSE TECHNIQUES COLLATERAL_PROCESSING STRUCTURAL_REDUCTION QUERY_REDUCTION SAT_SMT LP_APPROX
Query index 4 was solved

Query is NOT satisfied.
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 (14 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 0.022525 on verification
@@@0.02,20380@@@
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.s1hTgqactd /home/mcc/BenchKit/bin/tmp/tmp.vySrdv85sx --binary-query-io 1 -x 1 -n

FORMULA SwimmingPool-PT-10-LTLFireability-01 FALSE TECHNIQUES EXPLICIT NDFS WEAK_SKIP HEURISTIC AUTOMATON_HEUR OPTIM-1
Time left: 3590
------------------- QUERY 2 ----------------------
Solution found by parallel processing (step 1)

Query index 0 was solved
Query is NOT satisfied.
Spent 0.012869 on verification
@@@0.01,20144@@@
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.s1hTgqactd /home/mcc/BenchKit/bin/tmp/tmp.vySrdv85sx --binary-query-io 1 -x 2 -n

FORMULA SwimmingPool-PT-10-LTLFireability-09 FALSE TECHNIQUES EXPLICIT NDFS WEAK_SKIP HEURISTIC AUTOMATON_HEUR OPTIM-1
Time left: 3589
------------------- QUERY 3 ----------------------
Solution found by parallel processing (step 1)

Query index 0 was solved
Query is satisfied.
Spent 0.088029 on verification
@@@0.09,148428@@@
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.s1hTgqactd /home/mcc/BenchKit/bin/tmp/tmp.vySrdv85sx --binary-query-io 1 -x 3 -n

FORMULA SwimmingPool-PT-10-LTLFireability-11 TRUE TECHNIQUES EXPLICIT TARJAN WEAK_SKIP OPTIM-1
Time left: 3589
------------------- QUERY 4 ----------------------
Solution found by parallel processing (step 1)

Query index 0 was solved
Query is satisfied.
Spent 0.113291 on verification
@@@0.11,148504@@@
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.s1hTgqactd /home/mcc/BenchKit/bin/tmp/tmp.vySrdv85sx --binary-query-io 1 -x 4 -n

FORMULA SwimmingPool-PT-10-LTLFireability-07 TRUE TECHNIQUES EXPLICIT TARJAN WEAK_SKIP STUBBORN AUT_STUB HEURISTIC DIST_HEUR OPTIM-1
Time left: 3589
------------------- QUERY 5 ----------------------
Solution found by parallel processing (step 1)

Query index 0 was solved
Query is satisfied.
Spent 0.087975 on verification
@@@0.09,148612@@@
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.s1hTgqactd /home/mcc/BenchKit/bin/tmp/tmp.vySrdv85sx --binary-query-io 1 -x 5 -n

FORMULA SwimmingPool-PT-10-LTLFireability-10 TRUE TECHNIQUES EXPLICIT TARJAN WEAK_SKIP OPTIM-1
Time left: 3589
------------------- QUERY 6 ----------------------
Solution found by parallel processing (step 1)

Query index 0 was solved
Query is NOT satisfied.
Spent 0.008861 on verification
@@@0.01,19636@@@
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.s1hTgqactd /home/mcc/BenchKit/bin/tmp/tmp.vySrdv85sx --binary-query-io 1 -x 6 -n

FORMULA SwimmingPool-PT-10-LTLFireability-05 FALSE TECHNIQUES EXPLICIT NDFS WEAK_SKIP HEURISTIC AUTOMATON_HEUR OPTIM-1
Time left: 3588
------------------- QUERY 7 ----------------------
Solution found by parallel processing (step 1)

Query index 0 was solved
Query is NOT satisfied.
Spent 0.010805 on verification
@@@0.01,19596@@@
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.s1hTgqactd /home/mcc/BenchKit/bin/tmp/tmp.vySrdv85sx --binary-query-io 1 -x 7 -n

FORMULA SwimmingPool-PT-10-LTLFireability-06 FALSE TECHNIQUES EXPLICIT NDFS WEAK_SKIP HEURISTIC AUTOMATON_HEUR OPTIM-1
Time left: 3588
------------------- QUERY 8 ----------------------
Solution found by parallel processing (step 1)

Query index 0 was solved
Query is NOT satisfied.
Spent 0.010225 on verification
@@@0.01,19832@@@
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.s1hTgqactd /home/mcc/BenchKit/bin/tmp/tmp.vySrdv85sx --binary-query-io 1 -x 8 -n

FORMULA SwimmingPool-PT-10-LTLFireability-13 FALSE TECHNIQUES EXPLICIT NDFS WEAK_SKIP HEURISTIC AUTOMATON_HEUR OPTIM-1
Time left: 3588
------------------- QUERY 9 ----------------------
Solution found by parallel processing (step 1)

Query index 0 was solved
Query is NOT satisfied.
Spent 154.774 on verification
@@@154.83,993220@@@
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.s1hTgqactd /home/mcc/BenchKit/bin/tmp/tmp.vySrdv85sx --binary-query-io 1 -x 9 -n

FORMULA SwimmingPool-PT-10-LTLFireability-15 FALSE TECHNIQUES EXPLICIT TARJAN WEAK_SKIP STUBBORN AUT_STUB HEURISTIC LOGFIRECOUNT_HEUR(5000) OPTIM-1
Time left: 3433
------------------- QUERY 10 ----------------------
Solution found by parallel processing (step 1)

Query index 0 was solved
Query is satisfied.
Spent 0.009044 on verification
@@@0.01,19752@@@
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.s1hTgqactd /home/mcc/BenchKit/bin/tmp/tmp.vySrdv85sx --binary-query-io 1 -x 10 -n

FORMULA SwimmingPool-PT-10-LTLFireability-03 TRUE TECHNIQUES EXPLICIT NDFS WEAK_SKIP HEURISTIC AUTOMATON_HEUR OPTIM-1
Time left: 3433
------------------- QUERY 11 ----------------------
Solution found by parallel processing (step 1)

Query index 0 was solved
Query is NOT satisfied.
Spent 0.06159 on verification
@@@0.06,148416@@@
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.s1hTgqactd /home/mcc/BenchKit/bin/tmp/tmp.vySrdv85sx --binary-query-io 1 -x 11 -n

FORMULA SwimmingPool-PT-10-LTLFireability-14 FALSE TECHNIQUES EXPLICIT TARJAN WEAK_SKIP STUBBORN AUT_STUB HEURISTIC LOGFIRECOUNT_HEUR(5000) OPTIM-1
Time left: 3432
------------------- QUERY 12 ----------------------
Solution found by parallel processing (step 1)

Query index 0 was solved
Query is NOT satisfied.
Spent 0.010545 on verification
@@@0.01,19656@@@
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.s1hTgqactd /home/mcc/BenchKit/bin/tmp/tmp.vySrdv85sx --binary-query-io 1 -x 12 -n

FORMULA SwimmingPool-PT-10-LTLFireability-00 FALSE TECHNIQUES EXPLICIT NDFS WEAK_SKIP HEURISTIC AUTOMATON_HEUR OPTIM-1
Time left: 3432
------------------- QUERY 13 ----------------------
No solution found
parallel: Warning: This job was killed because it timed out:
parallel: Warning: 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.s1hTgqactd /home/mcc/BenchKit/bin/tmp/tmp.vySrdv85sx --binary-query-io 1 -x 13 -n
parallel: Warning: This job was killed because it timed out:
parallel: Warning: 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.s1hTgqactd /home/mcc/BenchKit/bin/tmp/tmp.vySrdv85sx --binary-query-io 1 -x 13 -n
parallel: Warning: This job was killed because it timed out:
parallel: Warning: 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.s1hTgqactd /home/mcc/BenchKit/bin/tmp/tmp.vySrdv85sx --binary-query-io 1 -x 13 -n
parallel: Warning: This job was killed because it timed out:
parallel: Warning: 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.s1hTgqactd /home/mcc/BenchKit/bin/tmp/tmp.vySrdv85sx --binary-query-io 1 -x 13 -n


Time left: 3130
------------------- QUERY 14 ----------------------
Solution found by parallel processing (step 1)

Query index 0 was solved
Query is NOT satisfied.
Spent 0.030767 on verification
@@@0.03,22600@@@
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.s1hTgqactd /home/mcc/BenchKit/bin/tmp/tmp.vySrdv85sx --binary-query-io 1 -x 14 -n

FORMULA SwimmingPool-PT-10-LTLFireability-08 FALSE TECHNIQUES EXPLICIT NDFS WEAK_SKIP HEURISTIC AUTOMATON_HEUR OPTIM-1
Time left: 3130
---------------------------------------------------
Step 2: Sequential processing
---------------------------------------------------
Remaining 1 queries are verified sequentially.
Each query is verified for a dynamic timeout (at least 598 seconds)
Time left: 3130
------------------- QUERY 13 ----------------------
Running query 13 for 3130 seconds. Remaining: 1 queries and 3130 seconds
Solution found by sequential processing (step 2)

Query index 0 was solved
Query is satisfied.
Spent 437.23 on verification
@@@437.45,6176572@@@
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.s1hTgqactd /home/mcc/BenchKit/bin/tmp/tmp.vySrdv85sx --binary-query-io 1 -x 13 -n

FORMULA SwimmingPool-PT-10-LTLFireability-12 TRUE TECHNIQUES EXPLICIT TARJAN WEAK_SKIP STUBBORN AUT_STUB HEURISTIC AUTOMATON_HEUR OPTIM-1
Time left: 2692
All queries are solved
Time left: 2692
terminated-with-cleanup

BK_STOP 1717183229115

--------------------
content from stderr:

CPN OverApproximation is only usable on colored models

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-10"
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 2-5568"
echo " Executing tool tapaal"
echo " Input is SwimmingPool-PT-10, 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 r404-tall-171690541200804"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/SwimmingPool-PT-10.tgz
mv SwimmingPool-PT-10 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 ;