fond
Model Checking Contest 2023
13th edition, Paris, France, April 26, 2023 (at TOOLympics II)
Execution of r407-oct2-167903726500206
Last Updated
May 14, 2023

About the Execution of LTSMin+red for ShieldIIPt-PT-050B

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
16220.432 1397992.00 5187659.00 3034.50 T normal

Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2023-input.r407-oct2-167903726500206.qcow2', fmt=qcow2 cluster_size=65536 extended_l2=off compression_type=zlib size=4294967296 backing_file=/data/fkordon/mcc2023-input.qcow2 backing_fmt=qcow2 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
......................
=====================================================================
Generated by BenchKit 2-5348
Executing tool ltsminxred
Input is ShieldIIPt-PT-050B, examination is ReachabilityDeadlock
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r407-oct2-167903726500206
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.3M
-rw-r--r-- 1 mcc users 7.2K Feb 25 17:04 CTLCardinality.txt
-rw-r--r-- 1 mcc users 80K Feb 25 17:04 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.0K Feb 25 17:03 CTLFireability.txt
-rw-r--r-- 1 mcc users 44K Feb 25 17:03 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:41 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.6K Feb 25 16:57 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Feb 25 16:57 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Feb 25 16:57 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Feb 25 16:57 LTLFireability.xml
-rw-r--r-- 1 mcc users 13K Feb 25 17:05 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 141K Feb 25 17:05 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.3K Feb 25 17:04 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 60K Feb 25 17:04 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Feb 25 16:57 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Feb 25 16:57 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 equiv_col
-rw-r--r-- 1 mcc users 5 Mar 5 18:23 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 iscolored
-rw-r--r-- 1 mcc users 860K Mar 5 18:23 model.pnml

--------------------
content from stdout:

=== Data for post analysis generated by BenchKit (invocation template)

The expected result is a vector of booleans
BOOL_VECTOR

FORMULA_NAME ReachabilityDeadlock

=== Now, execution of the tool begins

BK_START 1679762760687

bash -c /home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n "BK_STOP " ; date -u +%s%3N
Invoking MCC driver with
BK_TOOL=ltsminxred
BK_EXAMINATION=ReachabilityDeadlock
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=ShieldIIPt-PT-050B
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202303021504
[2023-03-25 16:46:03] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityDeadlock, -timeout, 180, -rebuildPNML]
[2023-03-25 16:46:03] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-25 16:46:03] [INFO ] Load time of PNML (sax parser for PT used): 169 ms
[2023-03-25 16:46:03] [INFO ] Transformed 3503 places.
[2023-03-25 16:46:03] [INFO ] Transformed 3253 transitions.
[2023-03-25 16:46:03] [INFO ] Found NUPN structural information;
[2023-03-25 16:46:03] [INFO ] Parsed PT model containing 3503 places and 3253 transitions and 8106 arcs in 382 ms.
Parsed 1 properties from file /home/mcc/execution/ReachabilityDeadlock.xml in 2 ms.
Working with output stream class java.io.PrintStream
Built sparse matrix representations for Structural reductions in 7 ms.82696KB memory used
Starting structural reductions in DEADLOCK mode, iteration 0 : 3503/3503 places, 3253/3253 transitions.
Computed a total of 1000 stabilizing places and 1000 stable transitions
Computed a total of 1000 stabilizing places and 1000 stable transitions
Drop transitions removed 852 transitions
Trivial Post-agglo rules discarded 852 transitions
Performed 852 trivial Post agglomeration. Transition count delta: 852
Iterating post reduction 0 with 852 rules applied. Total rules applied 852 place count 3503 transition count 2401
Reduce places removed 852 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Computed a total of 600 stabilizing places and 600 stable transitions
Drop transitions removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 1 with 854 rules applied. Total rules applied 1706 place count 2651 transition count 2399
Reduce places removed 1 places and 0 transitions.
Computed a total of 600 stabilizing places and 600 stable transitions
Iterating post reduction 2 with 1 rules applied. Total rules applied 1707 place count 2650 transition count 2399
Computed a total of 600 stabilizing places and 600 stable transitions
Performed 201 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 201 Pre rules applied. Total rules applied 1707 place count 2650 transition count 2198
Deduced a syphon composed of 201 places in 11 ms
Reduce places removed 201 places and 0 transitions.
Iterating global reduction 3 with 402 rules applied. Total rules applied 2109 place count 2449 transition count 2198
Computed a total of 600 stabilizing places and 600 stable transitions
Discarding 350 places :
Symmetric choice reduction at 3 with 350 rule applications. Total rules 2459 place count 2099 transition count 1848
Iterating global reduction 3 with 350 rules applied. Total rules applied 2809 place count 2099 transition count 1848
Computed a total of 400 stabilizing places and 400 stable transitions
Performed 150 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 150 Pre rules applied. Total rules applied 2809 place count 2099 transition count 1698
Deduced a syphon composed of 150 places in 17 ms
Reduce places removed 150 places and 0 transitions.
Iterating global reduction 3 with 300 rules applied. Total rules applied 3109 place count 1949 transition count 1698
Computed a total of 401 stabilizing places and 400 stable transitions
Performed 849 Post agglomeration using F-continuation condition.Transition count delta: 849
Deduced a syphon composed of 849 places in 2 ms
Reduce places removed 849 places and 0 transitions.
Iterating global reduction 3 with 1698 rules applied. Total rules applied 4807 place count 1100 transition count 849
Computed a total of 3 stabilizing places and 1 stable transitions
Renaming transitions due to excessive name length > 1024 char.
Performed 101 Post agglomeration using F-continuation condition.Transition count delta: -66
Deduced a syphon composed of 101 places in 3 ms
Reduce places removed 101 places and 0 transitions.
Iterating global reduction 3 with 202 rules applied. Total rules applied 5009 place count 999 transition count 915
Computed a total of 3 stabilizing places and 1 stable transitions
Performed 48 Post agglomeration using F-continuation condition.Transition count delta: -33
Deduced a syphon composed of 48 places in 1 ms
Reduce places removed 48 places and 0 transitions.
Iterating global reduction 3 with 96 rules applied. Total rules applied 5105 place count 951 transition count 948
Computed a total of 3 stabilizing places and 1 stable transitions
Computed a total of 3 stabilizing places and 1 stable transitions
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 3 with 1 rules applied. Total rules applied 5106 place count 950 transition count 947
Reduce places removed 2 places and 0 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Iterating post reduction 3 with 2 rules applied. Total rules applied 5108 place count 948 transition count 947
Computed a total of 0 stabilizing places and 0 stable transitions
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 1 Pre rules applied. Total rules applied 5108 place count 948 transition count 946
Deduced a syphon composed of 1 places in 2 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 4 with 2 rules applied. Total rules applied 5110 place count 947 transition count 946
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Applied a total of 5110 rules in 1580 ms. Remains 947 /3503 variables (removed 2556) and now considering 946/3253 (removed 2307) transitions.
Finished structural reductions in DEADLOCK mode , in 1 iterations and 1580 ms. Remains : 947/3503 places, 946/3253 transitions.
Random walk for 1250000 steps, including 0 resets, run took 9042 ms (no deadlock found). (steps per millisecond=138 )
Random directed walk for 1250000 steps, including 0 resets, run took 6626 ms (no deadlock found). (steps per millisecond=188 )
// Phase 1: matrix 946 rows 947 cols
[2023-03-25 16:46:21] [INFO ] Computed 449 place invariants in 14 ms
[2023-03-25 16:46:22] [INFO ] [Real]Absence check using 449 positive place invariants in 517 ms returned sat
[2023-03-25 16:46:22] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-25 16:46:25] [INFO ] [Real]Absence check using state equation in 2481 ms returned sat
[2023-03-25 16:46:25] [INFO ] Solution in real domain found non-integer solution.
[2023-03-25 16:46:25] [INFO ] [Nat]Absence check using 449 positive place invariants in 280 ms returned sat
[2023-03-25 16:46:25] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-25 16:46:27] [INFO ] [Nat]Absence check using state equation in 1875 ms returned sat
[2023-03-25 16:46:27] [INFO ] Computed and/alt/rep : 942/1438/942 causal constraints (skipped 0 transitions) in 111 ms.
[2023-03-25 16:46:44] [INFO ] Added : 716 causal constraints over 144 iterations in 16484 ms. Result :sat
Attempting to minimize the solution found.
Minimization took 93 ms.
Parikh directed walk for 699400 steps, including 1000 resets, run took 4827 ms. (steps per millisecond=144 )
Random directed walk for 500000 steps, including 0 resets, run took 2960 ms (no deadlock found). (steps per millisecond=168 )
Random walk for 500000 steps, including 0 resets, run took 3244 ms (no deadlock found). (steps per millisecond=154 )
Random directed walk for 500000 steps, including 0 resets, run took 2900 ms (no deadlock found). (steps per millisecond=172 )
Random walk for 500000 steps, including 0 resets, run took 3352 ms (no deadlock found). (steps per millisecond=149 )
Starting structural reductions in DEADLOCK mode, iteration 0 : 947/947 places, 946/946 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Applied a total of 0 rules in 24 ms. Remains 947 /947 variables (removed 0) and now considering 946/946 (removed 0) transitions.
[2023-03-25 16:47:01] [INFO ] Invariant cache hit.
[2023-03-25 16:47:03] [INFO ] Implicit Places using invariants in 1390 ms returned [936]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 1393 ms to find 1 implicit places.
Starting structural reductions in DEADLOCK mode, iteration 1 : 946/947 places, 946/946 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 945 transition count 945
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Applied a total of 2 rules in 33 ms. Remains 945 /946 variables (removed 1) and now considering 945/946 (removed 1) transitions.
// Phase 1: matrix 945 rows 945 cols
[2023-03-25 16:47:03] [INFO ] Computed 448 place invariants in 4 ms
[2023-03-25 16:47:03] [INFO ] Implicit Places using invariants in 623 ms returned []
[2023-03-25 16:47:03] [INFO ] Invariant cache hit.
[2023-03-25 16:47:05] [INFO ] Implicit Places using invariants and state equation in 1204 ms returned []
Implicit Place search using SMT with State Equation took 1828 ms to find 0 implicit places.
Starting structural reductions in DEADLOCK mode, iteration 2 : 945/947 places, 945/946 transitions.
Finished structural reductions in DEADLOCK mode , in 2 iterations and 3278 ms. Remains : 945/947 places, 945/946 transitions.
Random walk for 1250000 steps, including 0 resets, run took 8038 ms (no deadlock found). (steps per millisecond=155 )
Random directed walk for 1250002 steps, including 0 resets, run took 6459 ms (no deadlock found). (steps per millisecond=193 )
[2023-03-25 16:47:19] [INFO ] Invariant cache hit.
[2023-03-25 16:47:20] [INFO ] [Real]Absence check using 448 positive place invariants in 278 ms returned sat
[2023-03-25 16:47:20] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-25 16:47:21] [INFO ] [Real]Absence check using state equation in 1582 ms returned sat
[2023-03-25 16:47:21] [INFO ] Solution in real domain found non-integer solution.
[2023-03-25 16:47:22] [INFO ] [Nat]Absence check using 448 positive place invariants in 220 ms returned sat
[2023-03-25 16:47:22] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-25 16:47:23] [INFO ] [Nat]Absence check using state equation in 1371 ms returned sat
[2023-03-25 16:47:23] [INFO ] Computed and/alt/rep : 941/1435/941 causal constraints (skipped 0 transitions) in 69 ms.
[2023-03-25 16:47:40] [INFO ] Added : 794 causal constraints over 159 iterations in 16870 ms. Result :sat
Attempting to minimize the solution found.
Minimization took 40 ms.
Parikh directed walk for 380200 steps, including 1000 resets, run took 2541 ms. (steps per millisecond=149 )
Random directed walk for 500000 steps, including 0 resets, run took 2689 ms (no deadlock found). (steps per millisecond=185 )
Random walk for 500000 steps, including 0 resets, run took 3181 ms (no deadlock found). (steps per millisecond=157 )
Random directed walk for 500002 steps, including 0 resets, run took 2616 ms (no deadlock found). (steps per millisecond=191 )
Random walk for 500000 steps, including 0 resets, run took 3196 ms (no deadlock found). (steps per millisecond=156 )
[2023-03-25 16:47:55] [INFO ] Flatten gal took : 391 ms
[2023-03-25 16:47:55] [INFO ] Export to MCC of 1 properties in file /home/mcc/execution/ReachabilityDeadlock.sr.xml took 2 ms.
[2023-03-25 16:47:55] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 3503 places, 3253 transitions and 8106 arcs took 25 ms.
Total runtime 112741 ms.
There are residual formulas that ITS could not solve within timeout
FORMULA ReachabilityDeadlock TRUE TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING USE_NUPN

BK_STOP 1679764158679

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

+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
+ export PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ export LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
+ LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
++ sed s/.jar//
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202303021504.jar
++ perl -pe 's/.*\.//g'
+ VERSION=202303021504
+ echo 'Running Version 202303021504'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination ReachabilityDeadlock -timeout 180 -rebuildPNML
mcc2023
property name is ReachabilityDeadlock
pnml2lts-sym: Exploration order is bfs-prev
pnml2lts-sym: Saturation strategy is sat
pnml2lts-sym: Guided search strategy is unguided
pnml2lts-sym: Attractor strategy is default
pnml2lts-sym: opening model.pnml
pnml2lts-sym: Edge label is id
Warning: program compiled against libxml 210 using older 209
pnml2lts-sym: Petri net has 3503 places, 3253 transitions and 8106 arcs
pnml2lts-sym: Petri net ShieldIIPt_PT_050B analyzed
pnml2lts-sym: There are no safe places
pnml2lts-sym: Loading Petri net took 0.030 real 0.020 user 0.010 sys
pnml2lts-sym: Initializing regrouping layer
pnml2lts-sym: Regroup specification: bs,w2W,ru,hf
pnml2lts-sym: Regroup Boost's Sloan
pnml2lts-sym: Regroup over-approximate must-write to may-write
pnml2lts-sym: Regroup Row sUbsume
pnml2lts-sym: Reqroup Horizontal Flip
pnml2lts-sym: Regrouping: 3253->3253 groups
pnml2lts-sym: Regrouping took 2.980 real 2.970 user 0.000 sys
pnml2lts-sym: state vector length is 3503; there are 3253 groups
pnml2lts-sym: Creating a multi-core ListDD domain.
pnml2lts-sym: Sylvan allocates 15.000 GB virtual memory for nodes table and operation cache.
pnml2lts-sym: Initial nodes table and operation cache requires 60.00 MB.
pnml2lts-sym: Using GBgetTransitionsShortR2W as next-state function
pnml2lts-sym: got initial state
pnml2lts-sym: vset_sylvan: starting garbage collection
pnml2lts-sym: vset_sylvan: garbage collection done
pnml2lts-sym: vset_sylvan: starting garbage collection
pnml2lts-sym: vset_sylvan: garbage collection done
pnml2lts-sym: vset_sylvan: starting garbage collection
pnml2lts-sym: vset_sylvan: garbage collection done
pnml2lts-sym: vset_sylvan: starting garbage collection
pnml2lts-sym: vset_sylvan: garbage collection done
pnml2lts-sym: vset_sylvan: starting garbage collection
pnml2lts-sym: vset_sylvan: garbage collection done
pnml2lts-sym: vset_sylvan: starting garbage collection
pnml2lts-sym: vset_sylvan: garbage collection done
pnml2lts-sym: vset_sylvan: starting garbage collection
pnml2lts-sym: vset_sylvan: garbage collection done
pnml2lts-sym: vset_sylvan: starting garbage collection
pnml2lts-sym: vset_sylvan: garbage collection done
pnml2lts-sym: vset_sylvan: starting garbage collection
pnml2lts-sym: vset_sylvan: garbage collection done
pnml2lts-sym: vset_sylvan: starting garbage collection
pnml2lts-sym: vset_sylvan: garbage collection done
pnml2lts-sym: vset_sylvan: starting garbage collection
pnml2lts-sym: vset_sylvan: garbage collection done
pnml2lts-sym: deadlock found
pnml2lts-sym: deadlock detection took 1273.240 real 4878.100 user 122.970 sys
pnml2lts-sym: exiting now
pnml2lts-sym: max token count: 1

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="ShieldIIPt-PT-050B"
export BK_EXAMINATION="ReachabilityDeadlock"
export BK_TOOL="ltsminxred"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="1800"
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 2-5348"
echo " Executing tool ltsminxred"
echo " Input is ShieldIIPt-PT-050B, examination is ReachabilityDeadlock"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r407-oct2-167903726500206"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/ShieldIIPt-PT-050B.tgz
mv ShieldIIPt-PT-050B execution
cd execution
if [ "ReachabilityDeadlock" = "ReachabilityDeadlock" ] || [ "ReachabilityDeadlock" = "UpperBounds" ] || [ "ReachabilityDeadlock" = "QuasiLiveness" ] || [ "ReachabilityDeadlock" = "StableMarking" ] || [ "ReachabilityDeadlock" = "Liveness" ] || [ "ReachabilityDeadlock" = "OneSafe" ] || [ "ReachabilityDeadlock" = "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 [ "ReachabilityDeadlock" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "ReachabilityDeadlock" != "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 "ReachabilityDeadlock.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property ReachabilityDeadlock.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "ReachabilityDeadlock.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 '' ReachabilityDeadlock.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "ReachabilityDeadlock" = "ReachabilityDeadlock" ] || [ "ReachabilityDeadlock" = "QuasiLiveness" ] || [ "ReachabilityDeadlock" = "StableMarking" ] || [ "ReachabilityDeadlock" = "Liveness" ] || [ "ReachabilityDeadlock" = "OneSafe" ] ; then
echo "FORMULA_NAME ReachabilityDeadlock"
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 ;