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.r334-tall-171679079400031.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 itstools
Input is RingSingleMessageInMbox-PT-d0m020, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r334-tall-171679079400031
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 504K
-rw-r--r-- 1 mcc users 7.1K May 14 13:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 80K May 14 13:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.2K May 14 13:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 44K May 14 13:22 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.1K Apr 23 07:48 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Apr 23 07:48 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Apr 23 07:48 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Apr 23 07:48 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K Apr 13 00:05 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 123K Apr 13 00:05 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.5K Apr 13 00:04 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 72K Apr 13 00:04 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.9K Apr 23 07:48 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.9K Apr 23 07:48 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 18 16:43 equiv_col
-rw-r--r-- 1 mcc users 7 May 18 16:43 instance
-rw-r--r-- 1 mcc users 6 May 18 16:43 iscolored
-rw-r--r-- 1 mcc users 64K 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 RingSingleMessageInMbox-PT-d0m020-ReachabilityFireability-2024-00
FORMULA_NAME RingSingleMessageInMbox-PT-d0m020-ReachabilityFireability-2024-01
FORMULA_NAME RingSingleMessageInMbox-PT-d0m020-ReachabilityFireability-2024-02
FORMULA_NAME RingSingleMessageInMbox-PT-d0m020-ReachabilityFireability-2024-03
FORMULA_NAME RingSingleMessageInMbox-PT-d0m020-ReachabilityFireability-2024-04
FORMULA_NAME RingSingleMessageInMbox-PT-d0m020-ReachabilityFireability-2024-05
FORMULA_NAME RingSingleMessageInMbox-PT-d0m020-ReachabilityFireability-2024-06
FORMULA_NAME RingSingleMessageInMbox-PT-d0m020-ReachabilityFireability-2024-07
FORMULA_NAME RingSingleMessageInMbox-PT-d0m020-ReachabilityFireability-2024-08
FORMULA_NAME RingSingleMessageInMbox-PT-d0m020-ReachabilityFireability-2024-09
FORMULA_NAME RingSingleMessageInMbox-PT-d0m020-ReachabilityFireability-2024-10
FORMULA_NAME RingSingleMessageInMbox-PT-d0m020-ReachabilityFireability-2024-11
FORMULA_NAME RingSingleMessageInMbox-PT-d0m020-ReachabilityFireability-2024-12
FORMULA_NAME RingSingleMessageInMbox-PT-d0m020-ReachabilityFireability-2024-13
FORMULA_NAME RingSingleMessageInMbox-PT-d0m020-ReachabilityFireability-2024-14
FORMULA_NAME RingSingleMessageInMbox-PT-d0m020-ReachabilityFireability-2024-15

=== Now, execution of the tool begins

BK_START 1716792104163

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=ReachabilityFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=RingSingleMessageInMbox-PT-d0m020
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityFireability PT
Running Version 202405141337
[2024-05-27 06:41:45] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityFireability, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2024-05-27 06:41:45] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-05-27 06:41:45] [INFO ] Load time of PNML (sax parser for PT used): 65 ms
[2024-05-27 06:41:45] [INFO ] Transformed 385 places.
[2024-05-27 06:41:45] [INFO ] Transformed 59 transitions.
[2024-05-27 06:41:45] [INFO ] Parsed PT model containing 385 places and 59 transitions and 236 arcs in 162 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 14 ms.
Working with output stream class java.io.PrintStream
Deduced a syphon composed of 329 places in 2 ms
Reduce places removed 329 places and 0 transitions.
[2024-05-27 06:41:45] [INFO ] Flatten gal took : 47 ms
[2024-05-27 06:41:45] [INFO ] Flatten gal took : 19 ms
[2024-05-27 06:41:45] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality5322819623479473192.gal : 10 ms
[2024-05-27 06:41:46] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality5515221474328500672.prop : 5 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality5322819623479473192.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality5515221474328500672.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
RANDOM walk for 40000 steps (8606 resets) in 1680 ms. (23 steps per ms) remains 16/16 properties
Loading property file /tmp/ReachabilityCardinality5515221474328500672.prop.
BEST_FIRST walk for 4003 steps (384 resets) in 129 ms. (30 steps per ms) remains 16/16 properties
SDD proceeding with computation,16 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,16 properties remain. new max is 8
SDD size :5 after 12
SDD proceeding with computation,16 properties remain. new max is 16
SDD size :12 after 23
SDD proceeding with computation,16 properties remain. new max is 32
SDD size :23 after 42
SDD proceeding with computation,16 properties remain. new max is 64
SDD size :42 after 79
SDD proceeding with computation,16 properties remain. new max is 128
SDD size :79 after 156
SDD proceeding with computation,16 properties remain. new max is 256
SDD size :156 after 289
BEST_FIRST walk for 4002 steps (202 resets) in 199 ms. (20 steps per ms) remains 16/16 properties
SDD proceeding with computation,16 properties remain. new max is 512
SDD size :289 after 558
BEST_FIRST walk for 4002 steps (150 resets) in 103 ms. (38 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4003 steps (170 resets) in 26 ms. (148 steps per ms) remains 16/16 properties
SDD proceeding with computation,16 properties remain. new max is 1024
SDD size :558 after 969
BEST_FIRST walk for 4003 steps (204 resets) in 39 ms. (100 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4001 steps (616 resets) in 65 ms. (60 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4003 steps (204 resets) in 30 ms. (129 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (121 resets) in 25 ms. (154 steps per ms) remains 16/16 properties
SDD proceeding with computation,16 properties remain. new max is 2048
BEST_FIRST walk for 4001 steps (394 resets) in 32 ms. (121 steps per ms) remains 16/16 properties
SDD size :969 after 2564
BEST_FIRST walk for 4002 steps (209 resets) in 39 ms. (100 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4002 steps (358 resets) in 39 ms. (100 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4002 steps (136 resets) in 12 ms. (307 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4003 steps (208 resets) in 30 ms. (129 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4000 steps (800 resets) in 35 ms. (111 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4001 steps (396 resets) in 18 ms. (210 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4002 steps (195 resets) in 87 ms. (45 steps per ms) remains 16/16 properties
SDD proceeding with computation,16 properties remain. new max is 4096
SDD size :2564 after 98260
SDD proceeding with computation,16 properties remain. new max is 8192
SDD size :98260 after 467441
Interrupted probabilistic random walk after 445285 steps, run timeout after 3001 ms. (steps per millisecond=148 ) properties seen :0 out of 16
Probabilistic random walk after 445285 steps, saw 174371 distinct states, run finished after 3006 ms. (steps per millisecond=148 ) properties seen :0
// Phase 1: matrix 59 rows 56 cols
[2024-05-27 06:41:49] [INFO ] Computed 5 invariants in 6 ms
[2024-05-27 06:41:49] [INFO ] State equation strengthened by 27 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/52 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 16 unsolved
Problem RingSingleMessageInMbox-PT-d0m020-ReachabilityFireability-2024-01 is UNSAT
FORMULA RingSingleMessageInMbox-PT-d0m020-ReachabilityFireability-2024-01 FALSE TECHNIQUES SMT_REFINEMENT
Problem RingSingleMessageInMbox-PT-d0m020-ReachabilityFireability-2024-05 is UNSAT
FORMULA RingSingleMessageInMbox-PT-d0m020-ReachabilityFireability-2024-05 FALSE TECHNIQUES SMT_REFINEMENT
At refinement iteration 1 (OVERLAPS) 2/54 variables, 2/2 constraints. Problems are: Problem set: 2 solved, 14 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/54 variables, 0/2 constraints. Problems are: Problem set: 2 solved, 14 unsolved
Problem RingSingleMessageInMbox-PT-d0m020-ReachabilityFireability-2024-02 is UNSAT
FORMULA RingSingleMessageInMbox-PT-d0m020-ReachabilityFireability-2024-02 TRUE TECHNIQUES SMT_REFINEMENT
Problem RingSingleMessageInMbox-PT-d0m020-ReachabilityFireability-2024-03 is UNSAT
FORMULA RingSingleMessageInMbox-PT-d0m020-ReachabilityFireability-2024-03 FALSE TECHNIQUES SMT_REFINEMENT
Problem RingSingleMessageInMbox-PT-d0m020-ReachabilityFireability-2024-07 is UNSAT
FORMULA RingSingleMessageInMbox-PT-d0m020-ReachabilityFireability-2024-07 FALSE TECHNIQUES SMT_REFINEMENT
Problem RingSingleMessageInMbox-PT-d0m020-ReachabilityFireability-2024-09 is UNSAT
FORMULA RingSingleMessageInMbox-PT-d0m020-ReachabilityFireability-2024-09 FALSE TECHNIQUES SMT_REFINEMENT
Problem RingSingleMessageInMbox-PT-d0m020-ReachabilityFireability-2024-11 is UNSAT
FORMULA RingSingleMessageInMbox-PT-d0m020-ReachabilityFireability-2024-11 TRUE TECHNIQUES SMT_REFINEMENT
Problem RingSingleMessageInMbox-PT-d0m020-ReachabilityFireability-2024-12 is UNSAT
FORMULA RingSingleMessageInMbox-PT-d0m020-ReachabilityFireability-2024-12 FALSE TECHNIQUES SMT_REFINEMENT
Problem RingSingleMessageInMbox-PT-d0m020-ReachabilityFireability-2024-13 is UNSAT
FORMULA RingSingleMessageInMbox-PT-d0m020-ReachabilityFireability-2024-13 FALSE TECHNIQUES SMT_REFINEMENT
Problem RingSingleMessageInMbox-PT-d0m020-ReachabilityFireability-2024-15 is UNSAT
FORMULA RingSingleMessageInMbox-PT-d0m020-ReachabilityFireability-2024-15 TRUE TECHNIQUES SMT_REFINEMENT
At refinement iteration 3 (OVERLAPS) 2/56 variables, 3/5 constraints. Problems are: Problem set: 10 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/56 variables, 0/5 constraints. Problems are: Problem set: 10 solved, 6 unsolved
Problem RingSingleMessageInMbox-PT-d0m020-ReachabilityFireability-2024-04 is UNSAT
FORMULA RingSingleMessageInMbox-PT-d0m020-ReachabilityFireability-2024-04 FALSE TECHNIQUES SMT_REFINEMENT
Problem RingSingleMessageInMbox-PT-d0m020-ReachabilityFireability-2024-06 is UNSAT
FORMULA RingSingleMessageInMbox-PT-d0m020-ReachabilityFireability-2024-06 TRUE TECHNIQUES SMT_REFINEMENT
Problem RingSingleMessageInMbox-PT-d0m020-ReachabilityFireability-2024-08 is UNSAT
FORMULA RingSingleMessageInMbox-PT-d0m020-ReachabilityFireability-2024-08 FALSE TECHNIQUES SMT_REFINEMENT
Problem RingSingleMessageInMbox-PT-d0m020-ReachabilityFireability-2024-14 is UNSAT
FORMULA RingSingleMessageInMbox-PT-d0m020-ReachabilityFireability-2024-14 FALSE TECHNIQUES SMT_REFINEMENT
At refinement iteration 5 (OVERLAPS) 59/115 variables, 56/61 constraints. Problems are: Problem set: 14 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/115 variables, 27/88 constraints. Problems are: Problem set: 14 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/115 variables, 0/88 constraints. Problems are: Problem set: 14 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 0/115 variables, 0/88 constraints. Problems are: Problem set: 14 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 115/115 variables, and 88 constraints, problems are : Problem set: 14 solved, 2 unsolved in 340 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 56/56 constraints, ReadFeed: 27/27 constraints, PredecessorRefiner: 16/16 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 14 solved, 2 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/24 variables, 0/0 constraints. Problems are: Problem set: 14 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 18/42 variables, 2/2 constraints. Problems are: Problem set: 14 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/42 variables, 0/2 constraints. Problems are: Problem set: 14 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 14/56 variables, 3/5 constraints. Problems are: Problem set: 14 solved, 2 unsolved
[2024-05-27 06:41:50] [INFO ] Deduced a trap composed of 14 places in 45 ms of which 9 ms to minimize.
[2024-05-27 06:41:50] [INFO ] Deduced a trap composed of 14 places in 37 ms of which 1 ms to minimize.
[2024-05-27 06:41:50] [INFO ] Deduced a trap composed of 17 places in 36 ms of which 1 ms to minimize.
[2024-05-27 06:41:50] [INFO ] Deduced a trap composed of 14 places in 36 ms of which 1 ms to minimize.
[2024-05-27 06:41:50] [INFO ] Deduced a trap composed of 17 places in 39 ms of which 1 ms to minimize.
[2024-05-27 06:41:50] [INFO ] Deduced a trap composed of 20 places in 22 ms of which 1 ms to minimize.
Problem RingSingleMessageInMbox-PT-d0m020-ReachabilityFireability-2024-00 is UNSAT
FORMULA RingSingleMessageInMbox-PT-d0m020-ReachabilityFireability-2024-00 TRUE TECHNIQUES SMT_REFINEMENT
Problem RingSingleMessageInMbox-PT-d0m020-ReachabilityFireability-2024-10 is UNSAT
FORMULA RingSingleMessageInMbox-PT-d0m020-ReachabilityFireability-2024-10 TRUE TECHNIQUES SMT_REFINEMENT
After SMT solving in domain Int declared 56/115 variables, and 11 constraints, problems are : Problem set: 16 solved, 0 unsolved in 294 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 0/56 constraints, ReadFeed: 0/27 constraints, PredecessorRefiner: 0/16 constraints, Known Traps: 6/6 constraints]
After SMT, in 734ms problems are : Problem set: 16 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
All properties solved without resorting to model-checking.
Total runtime 4976 ms.

BK_STOP 1716792110303

--------------------
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
+ [[ ReachabilityFireability = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution ReachabilityFireability -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_1.0.0.202405141337.jar
+ VERSION=202405141337
+ echo 'Running Version 202405141337'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination ReachabilityFireability -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="RingSingleMessageInMbox-PT-d0m020"
export BK_EXAMINATION="ReachabilityFireability"
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 2-5568"
echo " Executing tool itstools"
echo " Input is RingSingleMessageInMbox-PT-d0m020, 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 r334-tall-171679079400031"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/RingSingleMessageInMbox-PT-d0m020.tgz
mv RingSingleMessageInMbox-PT-d0m020 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 ;