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.r165-tall-167838850900798.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 itstools
Input is GPPP-PT-C0001N0000001000, examination is ReachabilityCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r165-tall-167838850900798
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 580K
-rw-r--r-- 1 mcc users 9.4K Feb 26 10:40 CTLCardinality.txt
-rw-r--r-- 1 mcc users 110K Feb 26 10:40 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.9K Feb 26 10:39 CTLFireability.txt
-rw-r--r-- 1 mcc users 52K Feb 26 10:39 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:40 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.0K Jan 29 11:40 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.5K Feb 25 16:10 LTLCardinality.txt
-rw-r--r-- 1 mcc users 24K Feb 25 16:10 LTLCardinality.xml
-rw-r--r-- 1 mcc users 3.0K Feb 25 16:10 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Feb 25 16:10 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K Feb 26 10:41 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 112K Feb 26 10:41 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 19K Feb 26 10:41 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 134K Feb 26 10:41 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Feb 25 16:10 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Feb 25 16:10 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 equiv_col
-rw-r--r-- 1 mcc users 17 Mar 5 18:22 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 iscolored
-rw-r--r-- 1 mcc users 1 Mar 5 18:22 large_marking
-rw-r--r-- 1 mcc users 21K Mar 5 18:22 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 GPPP-PT-C0001N0000001000-ReachabilityCardinality-00
FORMULA_NAME GPPP-PT-C0001N0000001000-ReachabilityCardinality-01
FORMULA_NAME GPPP-PT-C0001N0000001000-ReachabilityCardinality-02
FORMULA_NAME GPPP-PT-C0001N0000001000-ReachabilityCardinality-03
FORMULA_NAME GPPP-PT-C0001N0000001000-ReachabilityCardinality-04
FORMULA_NAME GPPP-PT-C0001N0000001000-ReachabilityCardinality-05
FORMULA_NAME GPPP-PT-C0001N0000001000-ReachabilityCardinality-06
FORMULA_NAME GPPP-PT-C0001N0000001000-ReachabilityCardinality-07
FORMULA_NAME GPPP-PT-C0001N0000001000-ReachabilityCardinality-08
FORMULA_NAME GPPP-PT-C0001N0000001000-ReachabilityCardinality-09
FORMULA_NAME GPPP-PT-C0001N0000001000-ReachabilityCardinality-10
FORMULA_NAME GPPP-PT-C0001N0000001000-ReachabilityCardinality-11
FORMULA_NAME GPPP-PT-C0001N0000001000-ReachabilityCardinality-12
FORMULA_NAME GPPP-PT-C0001N0000001000-ReachabilityCardinality-13
FORMULA_NAME GPPP-PT-C0001N0000001000-ReachabilityCardinality-14
FORMULA_NAME GPPP-PT-C0001N0000001000-ReachabilityCardinality-15

=== Now, execution of the tool begins

BK_START 1679590230887

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=itstools
BK_EXAMINATION=ReachabilityCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=GPPP-PT-C0001N0000001000
Not applying reductions.
Model is PT
ReachabilityCardinality PT
Running Version 202303021504
[2023-03-23 16:50:32] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityCardinality, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2023-03-23 16:50:32] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-23 16:50:32] [INFO ] Load time of PNML (sax parser for PT used): 24 ms
[2023-03-23 16:50:32] [INFO ] Transformed 33 places.
[2023-03-23 16:50:32] [INFO ] Transformed 22 transitions.
[2023-03-23 16:50:32] [INFO ] Parsed PT model containing 33 places and 22 transitions and 83 arcs in 78 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityCardinality.xml in 13 ms.
Working with output stream class java.io.PrintStream
[2023-03-23 16:50:32] [INFO ] Flatten gal took : 58 ms
[2023-03-23 16:50:32] [INFO ] Flatten gal took : 11 ms
Incomplete random walk after 10002 steps, including 2 resets, run finished after 351 ms. (steps per millisecond=28 ) properties (out of 16) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 12 ms. (steps per millisecond=83 ) properties (out of 16) seen :0
Incomplete Best-First random walk after 1000 steps, including 2 resets, run finished after 15 ms. (steps per millisecond=66 ) properties (out of 16) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 32 ms. (steps per millisecond=31 ) properties (out of 16) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 15 ms. (steps per millisecond=66 ) properties (out of 16) seen :0
[2023-03-23 16:50:32] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality9619595049126312398.gal : 93 ms
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 20 ms. (steps per millisecond=50 ) properties (out of 16) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 10 ms. (steps per millisecond=100 ) properties (out of 16) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 14 ms. (steps per millisecond=71 ) properties (out of 16) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 13 ms. (steps per millisecond=77 ) properties (out of 16) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 7 ms. (steps per millisecond=143 ) properties (out of 16) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 7 ms. (steps per millisecond=143 ) properties (out of 16) seen :0
Incomplete Best-First random walk after 1000 steps, including 2 resets, run finished after 7 ms. (steps per millisecond=142 ) properties (out of 16) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 16) seen :0
Incomplete Best-First random walk after 1000 steps, including 2 resets, run finished after 10 ms. (steps per millisecond=100 ) properties (out of 16) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 16) seen :0
Incomplete Best-First random walk after 1000 steps, including 2 resets, run finished after 7 ms. (steps per millisecond=142 ) properties (out of 16) seen :0
Incomplete Best-First random walk after 1000 steps, including 2 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 16) seen :0
[2023-03-23 16:50:32] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality12224390786158287685.prop : 4 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality9619595049126312398.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality12224390786158287685.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
Loading property file /tmp/ReachabilityCardinality12224390786158287685.prop.
SDD proceeding with computation,16 properties remain. new max is 4
SDD size :1 after 4
SDD proceeding with computation,16 properties remain. new max is 8
SDD size :4 after 8
SDD proceeding with computation,16 properties remain. new max is 16
SDD size :8 after 22
SDD proceeding with computation,16 properties remain. new max is 32
SDD size :22 after 54
SDD proceeding with computation,16 properties remain. new max is 64
SDD size :54 after 77
SDD proceeding with computation,16 properties remain. new max is 128
SDD size :77 after 214
SDD proceeding with computation,16 properties remain. new max is 256
SDD size :214 after 809
SDD proceeding with computation,16 properties remain. new max is 512
SDD size :809 after 2188
SDD proceeding with computation,16 properties remain. new max is 1024
SDD size :188185 after 242186
SDD proceeding with computation,16 properties remain. new max is 2048
SDD size :627751 after 871870
Interrupted probabilistic random walk after 483893 steps, run timeout after 3001 ms. (steps per millisecond=161 ) properties seen :{}
Probabilistic random walk after 483893 steps, saw 139206 distinct states, run finished after 3002 ms. (steps per millisecond=161 ) properties seen :0
Running SMT prover for 16 properties.
// Phase 1: matrix 22 rows 33 cols
[2023-03-23 16:50:35] [INFO ] Computed 13 place invariants in 13 ms
[2023-03-23 16:50:36] [INFO ] [Real]Absence check using 6 positive place invariants in 3 ms returned sat
[2023-03-23 16:50:36] [INFO ] [Real]Absence check using 6 positive and 7 generalized place invariants in 3 ms returned sat
[2023-03-23 16:50:36] [INFO ] After 153ms SMT Verify possible using all constraints in real domain returned unsat :2 sat :0 real:14
[2023-03-23 16:50:36] [INFO ] [Nat]Absence check using 6 positive place invariants in 1 ms returned sat
[2023-03-23 16:50:36] [INFO ] [Nat]Absence check using 6 positive and 7 generalized place invariants in 5 ms returned sat
[2023-03-23 16:50:36] [INFO ] After 244ms SMT Verify possible using state equation in natural domain returned unsat :14 sat :2
[2023-03-23 16:50:36] [INFO ] After 328ms SMT Verify possible using trap constraints in natural domain returned unsat :14 sat :2
Attempting to minimize the solution found.
Minimization took 50 ms.
[2023-03-23 16:50:36] [INFO ] After 553ms SMT Verify possible using all constraints in natural domain returned unsat :14 sat :2
FORMULA GPPP-PT-C0001N0000001000-ReachabilityCardinality-15 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA GPPP-PT-C0001N0000001000-ReachabilityCardinality-14 TRUE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA GPPP-PT-C0001N0000001000-ReachabilityCardinality-13 TRUE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA GPPP-PT-C0001N0000001000-ReachabilityCardinality-12 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA GPPP-PT-C0001N0000001000-ReachabilityCardinality-10 TRUE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA GPPP-PT-C0001N0000001000-ReachabilityCardinality-09 TRUE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA GPPP-PT-C0001N0000001000-ReachabilityCardinality-08 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA GPPP-PT-C0001N0000001000-ReachabilityCardinality-07 TRUE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA GPPP-PT-C0001N0000001000-ReachabilityCardinality-06 TRUE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA GPPP-PT-C0001N0000001000-ReachabilityCardinality-05 TRUE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA GPPP-PT-C0001N0000001000-ReachabilityCardinality-04 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA GPPP-PT-C0001N0000001000-ReachabilityCardinality-03 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA GPPP-PT-C0001N0000001000-ReachabilityCardinality-02 TRUE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA GPPP-PT-C0001N0000001000-ReachabilityCardinality-01 TRUE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
Fused 16 Parikh solutions to 2 different solutions.
FORMULA GPPP-PT-C0001N0000001000-ReachabilityCardinality-11 FALSE TECHNIQUES TOPOLOGICAL PARIKH_WALK
Parikh walk visited 1 properties in 561 ms.
Support contains 2 out of 33 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 33/33 places, 22/22 transitions.
Graph (trivial) has 4 edges and 33 vertex of which 2 / 33 are part of one of the 1 SCC in 2 ms
Free SCC test removed 1 places
Drop transitions removed 2 transitions
Reduce isomorphic transitions removed 2 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 0 with 1 rules applied. Total rules applied 2 place count 32 transition count 19
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 3 place count 31 transition count 19
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 1 Pre rules applied. Total rules applied 3 place count 31 transition count 18
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 5 place count 30 transition count 18
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 2 with 5 rules applied. Total rules applied 10 place count 27 transition count 16
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 12 place count 26 transition count 15
Applied a total of 12 rules in 17 ms. Remains 26 /33 variables (removed 7) and now considering 15/22 (removed 7) transitions.
// Phase 1: matrix 15 rows 26 cols
[2023-03-23 16:50:37] [INFO ] Computed 12 place invariants in 2 ms
[2023-03-23 16:50:37] [INFO ] Dead Transitions using invariants and state equation in 41 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 59 ms. Remains : 26/33 places, 15/22 transitions.
Incomplete random walk after 10004 steps, including 2 resets, run finished after 14 ms. (steps per millisecond=714 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 12 ms. (steps per millisecond=833 ) properties (out of 1) seen :0
Finished probabilistic random walk after 352985 steps, run visited all 1 properties in 343 ms. (steps per millisecond=1029 )
Probabilistic random walk after 352985 steps, saw 141488 distinct states, run finished after 343 ms. (steps per millisecond=1029 ) properties seen :1
FORMULA GPPP-PT-C0001N0000001000-ReachabilityCardinality-00 FALSE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
ITS runner failed with exception null
java.lang.InterruptedException
at java.base/java.lang.Object.wait(Native Method)
at java.base/java.lang.Thread.join(Thread.java:1304)
at java.base/java.lang.Thread.join(Thread.java:1372)
at fr.lip6.move.gal.application.runner.AbstractRunner.join(AbstractRunner.java:27)
at fr.lip6.move.gal.application.runner.its.ITSRunner.join(ITSRunner.java:177)
at fr.lip6.move.gal.application.solver.global.GlobalPropertySolver.verifyWithSDD(GlobalPropertySolver.java:675)
at fr.lip6.move.gal.application.solver.ReachabilitySolver.lambda$2(ReachabilitySolver.java:63)
at java.base/java.lang.Thread.run(Thread.java:833)
All properties solved without resorting to model-checking.
Total runtime 5452 ms.

BK_STOP 1679590238938

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

+ export BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ ReachabilityCardinality = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution ReachabilityCardinality -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ 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//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202303021504.jar
+ VERSION=202303021504
+ echo 'Running Version 202303021504'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination ReachabilityCardinality -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600

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="GPPP-PT-C0001N0000001000"
export BK_EXAMINATION="ReachabilityCardinality"
export BK_TOOL="itstools"
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 itstools"
echo " Input is GPPP-PT-C0001N0000001000, examination is ReachabilityCardinality"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r165-tall-167838850900798"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/GPPP-PT-C0001N0000001000.tgz
mv GPPP-PT-C0001N0000001000 execution
cd execution
if [ "ReachabilityCardinality" = "ReachabilityDeadlock" ] || [ "ReachabilityCardinality" = "UpperBounds" ] || [ "ReachabilityCardinality" = "QuasiLiveness" ] || [ "ReachabilityCardinality" = "StableMarking" ] || [ "ReachabilityCardinality" = "Liveness" ] || [ "ReachabilityCardinality" = "OneSafe" ] || [ "ReachabilityCardinality" = "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 [ "ReachabilityCardinality" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "ReachabilityCardinality" != "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 "ReachabilityCardinality.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property ReachabilityCardinality.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "ReachabilityCardinality.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 '' ReachabilityCardinality.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "ReachabilityCardinality" = "ReachabilityDeadlock" ] || [ "ReachabilityCardinality" = "QuasiLiveness" ] || [ "ReachabilityCardinality" = "StableMarking" ] || [ "ReachabilityCardinality" = "Liveness" ] || [ "ReachabilityCardinality" = "OneSafe" ] ; then
echo "FORMULA_NAME ReachabilityCardinality"
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 ;