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.r201-smll-171649586500062.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)
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=====================================================================
Generated by BenchKit 2-5568
Executing tool greatspnxred
Input is HirschbergSinclair-PT-05, examination is ReachabilityCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r201-smll-171649586500062
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 624K
-rw-r--r-- 1 mcc users 12K May 14 13:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 92K May 14 13:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 7.9K May 14 13:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 52K May 14 13:22 CTLFireability.xml
-rw-r--r-- 1 mcc users 5.4K Apr 22 14:48 LTLCardinality.txt
-rw-r--r-- 1 mcc users 30K Apr 22 14:48 LTLCardinality.xml
-rw-r--r-- 1 mcc users 3.4K Apr 22 14:48 LTLFireability.txt
-rw-r--r-- 1 mcc users 21K Apr 22 14:48 LTLFireability.xml
-rw-r--r-- 1 mcc users 17K Apr 13 03:03 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 125K Apr 13 03:03 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.9K Apr 13 03:02 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 51K Apr 13 03:02 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 2.0K Apr 22 14:48 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.0K Apr 22 14:48 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 18 16:42 equiv_col
-rw-r--r-- 1 mcc users 3 May 18 16:42 instance
-rw-r--r-- 1 mcc users 6 May 18 16:42 iscolored
-rw-r--r-- 1 mcc users 157K May 18 16:42 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 HirschbergSinclair-PT-05-ReachabilityCardinality-2024-00
FORMULA_NAME HirschbergSinclair-PT-05-ReachabilityCardinality-2024-01
FORMULA_NAME HirschbergSinclair-PT-05-ReachabilityCardinality-2024-02
FORMULA_NAME HirschbergSinclair-PT-05-ReachabilityCardinality-2024-03
FORMULA_NAME HirschbergSinclair-PT-05-ReachabilityCardinality-2024-04
FORMULA_NAME HirschbergSinclair-PT-05-ReachabilityCardinality-2024-05
FORMULA_NAME HirschbergSinclair-PT-05-ReachabilityCardinality-2024-06
FORMULA_NAME HirschbergSinclair-PT-05-ReachabilityCardinality-2024-07
FORMULA_NAME HirschbergSinclair-PT-05-ReachabilityCardinality-2024-08
FORMULA_NAME HirschbergSinclair-PT-05-ReachabilityCardinality-2024-09
FORMULA_NAME HirschbergSinclair-PT-05-ReachabilityCardinality-2024-10
FORMULA_NAME HirschbergSinclair-PT-05-ReachabilityCardinality-2024-11
FORMULA_NAME HirschbergSinclair-PT-05-ReachabilityCardinality-2024-12
FORMULA_NAME HirschbergSinclair-PT-05-ReachabilityCardinality-2024-13
FORMULA_NAME HirschbergSinclair-PT-05-ReachabilityCardinality-2024-14
FORMULA_NAME HirschbergSinclair-PT-05-ReachabilityCardinality-2024-15

=== Now, execution of the tool begins

BK_START 1716575817099

Invoking MCC driver with
BK_TOOL=greatspnxred
BK_EXAMINATION=ReachabilityCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=HirschbergSinclair-PT-05
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool greatspn
Invoking reducer
Running Version 202405141337
[2024-05-24 18:36:58] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityCardinality, -timeout, 360, -rebuildPNML]
[2024-05-24 18:36:58] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-05-24 18:36:59] [INFO ] Load time of PNML (sax parser for PT used): 109 ms
[2024-05-24 18:36:59] [INFO ] Transformed 124 places.
[2024-05-24 18:36:59] [INFO ] Transformed 111 transitions.
[2024-05-24 18:36:59] [INFO ] Parsed PT model containing 124 places and 111 transitions and 340 arcs in 276 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityCardinality.xml in 31 ms.
Working with output stream class java.io.PrintStream
RANDOM walk for 40000 steps (358 resets) in 2068 ms. (19 steps per ms) remains 9/16 properties
FORMULA HirschbergSinclair-PT-05-ReachabilityCardinality-2024-15 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA HirschbergSinclair-PT-05-ReachabilityCardinality-2024-14 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA HirschbergSinclair-PT-05-ReachabilityCardinality-2024-13 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA HirschbergSinclair-PT-05-ReachabilityCardinality-2024-12 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA HirschbergSinclair-PT-05-ReachabilityCardinality-2024-07 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA HirschbergSinclair-PT-05-ReachabilityCardinality-2024-06 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA HirschbergSinclair-PT-05-ReachabilityCardinality-2024-00 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 40003 steps (83 resets) in 662 ms. (60 steps per ms) remains 8/9 properties
FORMULA HirschbergSinclair-PT-05-ReachabilityCardinality-2024-01 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 40003 steps (100 resets) in 282 ms. (141 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40003 steps (93 resets) in 908 ms. (44 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40003 steps (104 resets) in 866 ms. (46 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40002 steps (115 resets) in 345 ms. (115 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40001 steps (104 resets) in 138 ms. (287 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40002 steps (101 resets) in 65 ms. (606 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40003 steps (105 resets) in 79 ms. (500 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40002 steps (105 resets) in 112 ms. (354 steps per ms) remains 8/8 properties
// Phase 1: matrix 111 rows 124 cols
[2024-05-24 18:37:01] [INFO ] Computed 13 invariants in 13 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/97 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/97 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 8 unsolved
Problem HirschbergSinclair-PT-05-ReachabilityCardinality-2024-03 is UNSAT
FORMULA HirschbergSinclair-PT-05-ReachabilityCardinality-2024-03 FALSE TECHNIQUES SMT_REFINEMENT
Problem HirschbergSinclair-PT-05-ReachabilityCardinality-2024-04 is UNSAT
FORMULA HirschbergSinclair-PT-05-ReachabilityCardinality-2024-04 TRUE TECHNIQUES SMT_REFINEMENT
Problem HirschbergSinclair-PT-05-ReachabilityCardinality-2024-05 is UNSAT
FORMULA HirschbergSinclair-PT-05-ReachabilityCardinality-2024-05 FALSE TECHNIQUES SMT_REFINEMENT
At refinement iteration 2 (OVERLAPS) 25/122 variables, 10/11 constraints. Problems are: Problem set: 3 solved, 5 unsolved
Problem HirschbergSinclair-PT-05-ReachabilityCardinality-2024-08 is UNSAT
FORMULA HirschbergSinclair-PT-05-ReachabilityCardinality-2024-08 TRUE TECHNIQUES SMT_REFINEMENT
Problem HirschbergSinclair-PT-05-ReachabilityCardinality-2024-10 is UNSAT
FORMULA HirschbergSinclair-PT-05-ReachabilityCardinality-2024-10 TRUE TECHNIQUES SMT_REFINEMENT
Problem HirschbergSinclair-PT-05-ReachabilityCardinality-2024-11 is UNSAT
FORMULA HirschbergSinclair-PT-05-ReachabilityCardinality-2024-11 TRUE TECHNIQUES SMT_REFINEMENT
At refinement iteration 3 (INCLUDED_ONLY) 0/122 variables, 2/13 constraints. Problems are: Problem set: 6 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/122 variables, 0/13 constraints. Problems are: Problem set: 6 solved, 2 unsolved
Problem HirschbergSinclair-PT-05-ReachabilityCardinality-2024-09 is UNSAT
FORMULA HirschbergSinclair-PT-05-ReachabilityCardinality-2024-09 TRUE TECHNIQUES SMT_REFINEMENT
At refinement iteration 5 (OVERLAPS) 111/233 variables, 122/135 constraints. Problems are: Problem set: 7 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/233 variables, 0/135 constraints. Problems are: Problem set: 7 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 2/235 variables, 2/137 constraints. Problems are: Problem set: 7 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/235 variables, 0/137 constraints. Problems are: Problem set: 7 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 0/235 variables, 0/137 constraints. Problems are: Problem set: 7 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 235/235 variables, and 137 constraints, problems are : Problem set: 7 solved, 1 unsolved in 713 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 124/124 constraints, PredecessorRefiner: 8/8 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 7 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 7 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 83/85 variables, 4/4 constraints. Problems are: Problem set: 7 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/85 variables, 0/4 constraints. Problems are: Problem set: 7 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 22/107 variables, 5/9 constraints. Problems are: Problem set: 7 solved, 1 unsolved
[2024-05-24 18:37:02] [INFO ] Deduced a trap composed of 14 places in 99 ms of which 14 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/107 variables, 1/10 constraints. Problems are: Problem set: 7 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/107 variables, 0/10 constraints. Problems are: Problem set: 7 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 3/110 variables, 1/11 constraints. Problems are: Problem set: 7 solved, 1 unsolved
[2024-05-24 18:37:02] [INFO ] Deduced a trap composed of 33 places in 85 ms of which 17 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/110 variables, 1/12 constraints. Problems are: Problem set: 7 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/110 variables, 0/12 constraints. Problems are: Problem set: 7 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 9/119 variables, 3/15 constraints. Problems are: Problem set: 7 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/119 variables, 0/15 constraints. Problems are: Problem set: 7 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 111/230 variables, 119/134 constraints. Problems are: Problem set: 7 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/230 variables, 1/135 constraints. Problems are: Problem set: 7 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/230 variables, 0/135 constraints. Problems are: Problem set: 7 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 5/235 variables, 5/140 constraints. Problems are: Problem set: 7 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/235 variables, 0/140 constraints. Problems are: Problem set: 7 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 0/235 variables, 0/140 constraints. Problems are: Problem set: 7 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 235/235 variables, and 140 constraints, problems are : Problem set: 7 solved, 1 unsolved in 489 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 124/124 constraints, PredecessorRefiner: 1/8 constraints, Known Traps: 2/2 constraints]
After SMT, in 1347ms problems are : Problem set: 7 solved, 1 unsolved
Parikh walk visited 0 properties in 34 ms.
Support contains 2 out of 124 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 124/124 places, 111/111 transitions.
Graph (complete) has 236 edges and 124 vertex of which 115 are kept as prefixes of interest. Removing 9 places using SCC suffix rule.1 ms
Discarding 9 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 47 transitions
Trivial Post-agglo rules discarded 47 transitions
Performed 47 trivial Post agglomeration. Transition count delta: 47
Iterating post reduction 0 with 52 rules applied. Total rules applied 53 place count 115 transition count 59
Reduce places removed 47 places and 0 transitions.
Graph (complete) has 111 edges and 68 vertex of which 51 are kept as prefixes of interest. Removing 17 places using SCC suffix rule.5 ms
Discarding 17 places :
Also discarding 0 output transitions
Iterating post reduction 1 with 48 rules applied. Total rules applied 101 place count 51 transition count 59
Drop transitions (Empty/Sink Transition effects.) removed 17 transitions
Reduce isomorphic transitions removed 17 transitions.
Iterating post reduction 2 with 17 rules applied. Total rules applied 118 place count 51 transition count 42
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 1 Pre rules applied. Total rules applied 118 place count 51 transition count 41
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 120 place count 50 transition count 41
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 3 with 1 rules applied. Total rules applied 121 place count 50 transition count 40
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 122 place count 49 transition count 40
Reduce places removed 5 places and 5 transitions.
Iterating global reduction 4 with 5 rules applied. Total rules applied 127 place count 44 transition count 35
Reduce places removed 4 places and 0 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 12 transitions
Trivial Post-agglo rules discarded 12 transitions
Performed 12 trivial Post agglomeration. Transition count delta: 12
Iterating post reduction 4 with 16 rules applied. Total rules applied 143 place count 40 transition count 23
Reduce places removed 12 places and 0 transitions.
Iterating post reduction 5 with 12 rules applied. Total rules applied 155 place count 28 transition count 23
Performed 12 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 6 with 12 Pre rules applied. Total rules applied 155 place count 28 transition count 11
Deduced a syphon composed of 12 places in 0 ms
Ensure Unique test removed 1 places
Reduce places removed 13 places and 0 transitions.
Iterating global reduction 6 with 25 rules applied. Total rules applied 180 place count 15 transition count 11
Discarding 1 places :
Implicit places reduction removed 1 places
Iterating post reduction 6 with 1 rules applied. Total rules applied 181 place count 14 transition count 11
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 7 with 1 Pre rules applied. Total rules applied 181 place count 14 transition count 10
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 7 with 2 rules applied. Total rules applied 183 place count 13 transition count 10
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 7 with 2 rules applied. Total rules applied 185 place count 12 transition count 9
Applied a total of 185 rules in 80 ms. Remains 12 /124 variables (removed 112) and now considering 9/111 (removed 102) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 96 ms. Remains : 12/124 places, 9/111 transitions.
RANDOM walk for 276 steps (25 resets) in 7 ms. (34 steps per ms) remains 0/1 properties
FORMULA HirschbergSinclair-PT-05-ReachabilityCardinality-2024-02 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
All properties solved without resorting to model-checking.
Total runtime 3883 ms.
ITS solved all properties within timeout

BK_STOP 1716575822886

--------------------
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_1.0.0.202405141337.jar
+ VERSION=202405141337
+ echo 'Running Version 202405141337'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination ReachabilityCardinality -timeout 360 -rebuildPNML

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="HirschbergSinclair-PT-05"
export BK_EXAMINATION="ReachabilityCardinality"
export BK_TOOL="greatspnxred"
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 greatspnxred"
echo " Input is HirschbergSinclair-PT-05, 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 r201-smll-171649586500062"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/HirschbergSinclair-PT-05.tgz
mv HirschbergSinclair-PT-05 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 ;