fond
Model Checking Contest 2023
13th edition, Paris, France, April 26, 2023 (at TOOLympics II)
Execution of r521-tall-167987246100031
Last Updated
May 14, 2023

About the Execution of LTSMin+red for Anderson-PT-07

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
560.231 3582896.00 14264418.00 430.20 FFFTTTFFTFFFTTTF 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.r521-tall-167987246100031.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2023-input.qcow2 cluster_size=65536 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 Anderson-PT-07, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r521-tall-167987246100031
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 924K
-rw-r--r-- 1 mcc users 7.6K Mar 23 15:19 CTLCardinality.txt
-rw-r--r-- 1 mcc users 80K Mar 23 15:19 CTLCardinality.xml
-rw-r--r-- 1 mcc users 7.6K Mar 23 15:19 CTLFireability.txt
-rw-r--r-- 1 mcc users 55K Mar 23 15:19 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.0K Mar 23 07:06 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Mar 23 07:06 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.7K Mar 23 07:06 LTLFireability.txt
-rw-r--r-- 1 mcc users 16K Mar 23 07:06 LTLFireability.xml
-rw-r--r-- 1 mcc users 1 Mar 26 22:42 NewModel
-rw-r--r-- 1 mcc users 11K Mar 23 15:20 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 107K Mar 23 15:20 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 15K Mar 23 15:20 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 95K Mar 23 15:20 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Mar 23 07:06 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Mar 23 07:06 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 26 22:42 equiv_col
-rw-r--r-- 1 mcc users 3 Mar 26 22:42 instance
-rw-r--r-- 1 mcc users 6 Mar 26 22:42 iscolored
-rw-r--r-- 1 mcc users 461K Mar 31 16:48 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 Anderson-PT-07-ReachabilityFireability-00
FORMULA_NAME Anderson-PT-07-ReachabilityFireability-01
FORMULA_NAME Anderson-PT-07-ReachabilityFireability-02
FORMULA_NAME Anderson-PT-07-ReachabilityFireability-03
FORMULA_NAME Anderson-PT-07-ReachabilityFireability-04
FORMULA_NAME Anderson-PT-07-ReachabilityFireability-05
FORMULA_NAME Anderson-PT-07-ReachabilityFireability-06
FORMULA_NAME Anderson-PT-07-ReachabilityFireability-07
FORMULA_NAME Anderson-PT-07-ReachabilityFireability-08
FORMULA_NAME Anderson-PT-07-ReachabilityFireability-09
FORMULA_NAME Anderson-PT-07-ReachabilityFireability-10
FORMULA_NAME Anderson-PT-07-ReachabilityFireability-11
FORMULA_NAME Anderson-PT-07-ReachabilityFireability-12
FORMULA_NAME Anderson-PT-07-ReachabilityFireability-13
FORMULA_NAME Anderson-PT-07-ReachabilityFireability-14
FORMULA_NAME Anderson-PT-07-ReachabilityFireability-15

=== Now, execution of the tool begins

BK_START 1680857759636

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=ReachabilityFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=Anderson-PT-07
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202304061127
[2023-04-07 08:56:01] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityFireability, -timeout, 360, -rebuildPNML]
[2023-04-07 08:56:01] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-04-07 08:56:01] [INFO ] Load time of PNML (sax parser for PT used): 113 ms
[2023-04-07 08:56:01] [INFO ] Transformed 309 places.
[2023-04-07 08:56:01] [INFO ] Transformed 917 transitions.
[2023-04-07 08:56:01] [INFO ] Found NUPN structural information;
[2023-04-07 08:56:01] [INFO ] Parsed PT model containing 309 places and 917 transitions and 3500 arcs in 207 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 14 ms.
Working with output stream class java.io.PrintStream
Incomplete random walk after 10000 steps, including 2 resets, run finished after 437 ms. (steps per millisecond=22 ) properties (out of 16) seen :4
FORMULA Anderson-PT-07-ReachabilityFireability-13 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Anderson-PT-07-ReachabilityFireability-08 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Anderson-PT-07-ReachabilityFireability-05 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Anderson-PT-07-ReachabilityFireability-03 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 169 ms. (steps per millisecond=59 ) properties (out of 12) seen :1
FORMULA Anderson-PT-07-ReachabilityFireability-00 FALSE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 42 ms. (steps per millisecond=238 ) properties (out of 11) seen :1
FORMULA Anderson-PT-07-ReachabilityFireability-01 FALSE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 59 ms. (steps per millisecond=169 ) properties (out of 10) seen :3
FORMULA Anderson-PT-07-ReachabilityFireability-14 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Anderson-PT-07-ReachabilityFireability-07 FALSE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Anderson-PT-07-ReachabilityFireability-02 FALSE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 49 ms. (steps per millisecond=204 ) properties (out of 7) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 89 ms. (steps per millisecond=112 ) properties (out of 7) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 57 ms. (steps per millisecond=175 ) properties (out of 7) seen :0
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 37 ms. (steps per millisecond=270 ) properties (out of 7) seen :0
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 110 ms. (steps per millisecond=90 ) properties (out of 7) seen :0
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 53 ms. (steps per millisecond=188 ) properties (out of 7) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 52 ms. (steps per millisecond=192 ) properties (out of 7) seen :0
Running SMT prover for 7 properties.
// Phase 1: matrix 917 rows 309 cols
[2023-04-07 08:56:02] [INFO ] Computed 17 invariants in 40 ms
[2023-04-07 08:56:03] [INFO ] After 379ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:7
[2023-04-07 08:56:03] [INFO ] [Nat]Absence check using 8 positive place invariants in 73 ms returned sat
[2023-04-07 08:56:03] [INFO ] [Nat]Absence check using 8 positive and 9 generalized place invariants in 64 ms returned sat
[2023-04-07 08:56:05] [INFO ] After 1373ms SMT Verify possible using state equation in natural domain returned unsat :5 sat :2
[2023-04-07 08:56:05] [INFO ] State equation strengthened by 42 read => feed constraints.
[2023-04-07 08:56:06] [INFO ] After 851ms SMT Verify possible using 42 Read/Feed constraints in natural domain returned unsat :5 sat :2
[2023-04-07 08:56:06] [INFO ] After 1658ms SMT Verify possible using trap constraints in natural domain returned unsat :5 sat :2
Attempting to minimize the solution found.
Minimization took 694 ms.
[2023-04-07 08:56:07] [INFO ] After 4083ms SMT Verify possible using all constraints in natural domain returned unsat :5 sat :2
FORMULA Anderson-PT-07-ReachabilityFireability-15 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA Anderson-PT-07-ReachabilityFireability-12 TRUE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA Anderson-PT-07-ReachabilityFireability-11 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA Anderson-PT-07-ReachabilityFireability-09 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA Anderson-PT-07-ReachabilityFireability-04 TRUE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
Fused 7 Parikh solutions to 2 different solutions.
Parikh walk visited 0 properties in 7 ms.
Support contains 23 out of 309 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 309/309 places, 917/917 transitions.
Performed 39 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 39 Pre rules applied. Total rules applied 0 place count 309 transition count 878
Deduced a syphon composed of 39 places in 3 ms
Reduce places removed 39 places and 0 transitions.
Iterating global reduction 0 with 78 rules applied. Total rules applied 78 place count 270 transition count 878
Discarding 70 places :
Symmetric choice reduction at 0 with 70 rule applications. Total rules 148 place count 200 transition count 448
Iterating global reduction 0 with 70 rules applied. Total rules applied 218 place count 200 transition count 448
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 12 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 222 place count 198 transition count 446
Applied a total of 222 rules in 125 ms. Remains 198 /309 variables (removed 111) and now considering 446/917 (removed 471) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 125 ms. Remains : 198/309 places, 446/917 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 84 ms. (steps per millisecond=119 ) properties (out of 2) seen :0
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 41 ms. (steps per millisecond=243 ) properties (out of 2) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 46 ms. (steps per millisecond=217 ) properties (out of 2) seen :0
Finished probabilistic random walk after 409225 steps, run visited all 2 properties in 2200 ms. (steps per millisecond=186 )
Probabilistic random walk after 409225 steps, saw 230674 distinct states, run finished after 2201 ms. (steps per millisecond=185 ) properties seen :2
FORMULA Anderson-PT-07-ReachabilityFireability-10 FALSE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
FORMULA Anderson-PT-07-ReachabilityFireability-06 FALSE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
Parikh walk visited 0 properties in 0 ms.
All properties solved without resorting to model-checking.
Total runtime 8919 ms.
pnml2lts-sym model.pnml --lace-workers=4 --vset=lddmc --saturation=sat -rbs,w2W,ru,hf --sylvan-sizes=20,28,20,28 --inv-bin-par --invariant=/tmp/454/inv_0_ --invariant=/tmp/454/inv_1_ --invariant=/tmp/454/inv_2_ --invariant=/tmp/454/inv_3_ --invariant=/tmp/454/inv_4_ --invariant=/tmp/454/inv_5_ --invariant=/tmp/454/inv_6_ --invariant=/tmp/454/inv_7_ --invariant=/tmp/454/inv_8_ --invariant=/tmp/454/inv_9_ --invariant=/tmp/454/inv_10_ --invariant=/tmp/454/inv_11_ --invariant=/tmp/454/inv_12_ --invariant=/tmp/454/inv_13_ --invariant=/tmp/454/inv_14_ --invariant=/tmp/454/inv_15_ --inv-par
TIME LIMIT: Killed by timeout after 3570 seconds
MemTotal: 16393216 kB
MemFree: 15717620 kB
After kill :
MemTotal: 16393216 kB
MemFree: 16104456 kB
Could not compute solution for formula : Anderson-PT-07-ReachabilityFireability-00
Could not compute solution for formula : Anderson-PT-07-ReachabilityFireability-01
Could not compute solution for formula : Anderson-PT-07-ReachabilityFireability-02
Could not compute solution for formula : Anderson-PT-07-ReachabilityFireability-03
Could not compute solution for formula : Anderson-PT-07-ReachabilityFireability-04
Could not compute solution for formula : Anderson-PT-07-ReachabilityFireability-05
Could not compute solution for formula : Anderson-PT-07-ReachabilityFireability-06
Could not compute solution for formula : Anderson-PT-07-ReachabilityFireability-07
Could not compute solution for formula : Anderson-PT-07-ReachabilityFireability-08
Could not compute solution for formula : Anderson-PT-07-ReachabilityFireability-09
Could not compute solution for formula : Anderson-PT-07-ReachabilityFireability-10
Could not compute solution for formula : Anderson-PT-07-ReachabilityFireability-11
Could not compute solution for formula : Anderson-PT-07-ReachabilityFireability-12
Could not compute solution for formula : Anderson-PT-07-ReachabilityFireability-13
Could not compute solution for formula : Anderson-PT-07-ReachabilityFireability-14
Could not compute solution for formula : Anderson-PT-07-ReachabilityFireability-15

BK_STOP 1680861342532

--------------------
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//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202304061127.jar
+ VERSION=202304061127
+ echo 'Running Version 202304061127'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination ReachabilityFireability -timeout 360 -rebuildPNML
mcc2023
rfs formula name Anderson-PT-07-ReachabilityFireability-00
rfs formula type AG
rfs formula formula --invariant=/tmp/454/inv_0_
rfs formula name Anderson-PT-07-ReachabilityFireability-01
rfs formula type AG
rfs formula formula --invariant=/tmp/454/inv_1_
rfs formula name Anderson-PT-07-ReachabilityFireability-02
rfs formula type AG
rfs formula formula --invariant=/tmp/454/inv_2_
rfs formula name Anderson-PT-07-ReachabilityFireability-03
rfs formula type EF
rfs formula formula --invariant=/tmp/454/inv_3_
rfs formula name Anderson-PT-07-ReachabilityFireability-04
rfs formula type AG
rfs formula formula --invariant=/tmp/454/inv_4_
rfs formula name Anderson-PT-07-ReachabilityFireability-05
rfs formula type EF
rfs formula formula --invariant=/tmp/454/inv_5_
rfs formula name Anderson-PT-07-ReachabilityFireability-06
rfs formula type AG
rfs formula formula --invariant=/tmp/454/inv_6_
rfs formula name Anderson-PT-07-ReachabilityFireability-07
rfs formula type AG
rfs formula formula --invariant=/tmp/454/inv_7_
rfs formula name Anderson-PT-07-ReachabilityFireability-08
rfs formula type EF
rfs formula formula --invariant=/tmp/454/inv_8_
rfs formula name Anderson-PT-07-ReachabilityFireability-09
rfs formula type EF
rfs formula formula --invariant=/tmp/454/inv_9_
rfs formula name Anderson-PT-07-ReachabilityFireability-10
rfs formula type AG
rfs formula formula --invariant=/tmp/454/inv_10_
rfs formula name Anderson-PT-07-ReachabilityFireability-11
rfs formula type EF
rfs formula formula --invariant=/tmp/454/inv_11_
rfs formula name Anderson-PT-07-ReachabilityFireability-12
rfs formula type AG
rfs formula formula --invariant=/tmp/454/inv_12_
rfs formula name Anderson-PT-07-ReachabilityFireability-13
rfs formula type EF
rfs formula formula --invariant=/tmp/454/inv_13_
rfs formula name Anderson-PT-07-ReachabilityFireability-14
rfs formula type EF
rfs formula formula --invariant=/tmp/454/inv_14_
rfs formula name Anderson-PT-07-ReachabilityFireability-15
rfs formula type EF
rfs formula formula --invariant=/tmp/454/inv_15_
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 309 places, 917 transitions and 3500 arcs
pnml2lts-sym: Petri net Anderson-PT-07 analyzed
pnml2lts-sym: There are safe places
pnml2lts-sym: Loading Petri net took 0.010 real 0.000 user 0.000 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: 917->917 groups
pnml2lts-sym: Regrouping took 0.440 real 0.440 user 0.000 sys
pnml2lts-sym: state vector length is 309; there are 917 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
Killing (15) : 460
Killing (9) : 460

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="Anderson-PT-07"
export BK_EXAMINATION="ReachabilityFireability"
export BK_TOOL="ltsminxred"
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 2-5348"
echo " Executing tool ltsminxred"
echo " Input is Anderson-PT-07, examination is ReachabilityFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r521-tall-167987246100031"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Anderson-PT-07.tgz
mv Anderson-PT-07 execution
cd execution
if [ "ReachabilityFireability" = "ReachabilityDeadlock" ] || [ "ReachabilityFireability" = "UpperBounds" ] || [ "ReachabilityFireability" = "QuasiLiveness" ] || [ "ReachabilityFireability" = "StableMarking" ] || [ "ReachabilityFireability" = "Liveness" ] || [ "ReachabilityFireability" = "OneSafe" ] || [ "ReachabilityFireability" = "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 [ "ReachabilityFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "ReachabilityFireability" != "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 "ReachabilityFireability.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property ReachabilityFireability.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "ReachabilityFireability.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 '' ReachabilityFireability.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "ReachabilityFireability" = "ReachabilityDeadlock" ] || [ "ReachabilityFireability" = "QuasiLiveness" ] || [ "ReachabilityFireability" = "StableMarking" ] || [ "ReachabilityFireability" = "Liveness" ] || [ "ReachabilityFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME ReachabilityFireability"
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 ;