Execution Chart

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

Trace from the execution

Formatting '/local/x2003239/mcc2020-input.r174-csrt-158987853200430.qcow2', fmt=qcow2 size=4294967296 backing_file=/local/x2003239/mcc2020-input.qcow2 encryption=off cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
...................................................................................................................................................................................................................................................................................................................................................
=====================================================================
Generated by BenchKit 2-4028
Executing tool itslola
Input is NoC3x3-PT-7A, examination is ReachabilityCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r174-csrt-158987853200430
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 528K
-rw-r--r-- 1 mcc users 3.6K Apr 8 15:08 CTLCardinality.txt
-rw-r--r-- 1 mcc users 21K Apr 8 15:08 CTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K Apr 7 18:39 CTLFireability.txt
-rw-r--r-- 1 mcc users 16K Apr 7 18:39 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.0K Mar 24 05:37 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 5.7K Mar 24 05:37 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.3K Apr 14 12:43 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K Apr 28 14:01 LTLCardinality.xml
-rw-r--r-- 1 mcc users 1.9K Apr 14 12:43 LTLFireability.txt
-rw-r--r-- 1 mcc users 16K Apr 28 14:01 LTLFireability.xml
-rw-r--r-- 1 mcc users 2.8K Apr 6 20:21 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 14K Apr 6 20:21 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Apr 6 04:02 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 13K Apr 6 04:02 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.5K Apr 6 20:25 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Apr 6 20:25 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 24 05:37 equiv_col
-rw-r--r-- 1 mcc users 3 Mar 24 05:37 instance
-rw-r--r-- 1 mcc users 6 Mar 24 05:37 iscolored
-rw-r--r-- 1 mcc users 355K Mar 24 05:37 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 NoC3x3-PT-7A-ReachabilityCardinality-00
FORMULA_NAME NoC3x3-PT-7A-ReachabilityCardinality-01
FORMULA_NAME NoC3x3-PT-7A-ReachabilityCardinality-02
FORMULA_NAME NoC3x3-PT-7A-ReachabilityCardinality-03
FORMULA_NAME NoC3x3-PT-7A-ReachabilityCardinality-04
FORMULA_NAME NoC3x3-PT-7A-ReachabilityCardinality-05
FORMULA_NAME NoC3x3-PT-7A-ReachabilityCardinality-06
FORMULA_NAME NoC3x3-PT-7A-ReachabilityCardinality-07
FORMULA_NAME NoC3x3-PT-7A-ReachabilityCardinality-08
FORMULA_NAME NoC3x3-PT-7A-ReachabilityCardinality-09
FORMULA_NAME NoC3x3-PT-7A-ReachabilityCardinality-10
FORMULA_NAME NoC3x3-PT-7A-ReachabilityCardinality-11
FORMULA_NAME NoC3x3-PT-7A-ReachabilityCardinality-12
FORMULA_NAME NoC3x3-PT-7A-ReachabilityCardinality-13
FORMULA_NAME NoC3x3-PT-7A-ReachabilityCardinality-14
FORMULA_NAME NoC3x3-PT-7A-ReachabilityCardinality-15

=== Now, execution of the tool begins

BK_START 1591147838563

bash -c /home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n "BK_STOP " ; date -u +%s%3N
[2020-06-03 01:30:40] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityCardinality, -z3path, /home/mcc/BenchKit//z3/bin/z3, -yices2path, /home/mcc/BenchKit//yices/bin/yices, -timeout, 3600, -rebuildPNML]
[2020-06-03 01:30:40] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2020-06-03 01:30:40] [INFO ] Load time of PNML (sax parser for PT used): 143 ms
[2020-06-03 01:30:40] [INFO ] Transformed 801 places.
[2020-06-03 01:30:40] [INFO ] Transformed 1544 transitions.
[2020-06-03 01:30:40] [INFO ] Found NUPN structural information;
[2020-06-03 01:30:40] [INFO ] Parsed PT model containing 801 places and 1544 transitions in 200 ms.
Ensure Unique test removed 107 transitions
Reduce redundant transitions removed 107 transitions.
Parsed 16 properties from file /home/mcc/execution/ReachabilityCardinality.xml in 45 ms.
Working with output stream class java.io.PrintStream
FORMULA NoC3x3-PT-7A-ReachabilityCardinality-00 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA NoC3x3-PT-7A-ReachabilityCardinality-01 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA NoC3x3-PT-7A-ReachabilityCardinality-02 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA NoC3x3-PT-7A-ReachabilityCardinality-03 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA NoC3x3-PT-7A-ReachabilityCardinality-05 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA NoC3x3-PT-7A-ReachabilityCardinality-08 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA NoC3x3-PT-7A-ReachabilityCardinality-11 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA NoC3x3-PT-7A-ReachabilityCardinality-12 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA NoC3x3-PT-7A-ReachabilityCardinality-13 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA NoC3x3-PT-7A-ReachabilityCardinality-14 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Incomplete random walk after 10000 steps, including 0 resets, run finished after 109 ms. (steps per millisecond=91 ) properties seen :[1, 0, 0, 0, 0, 0]
FORMULA NoC3x3-PT-7A-ReachabilityCardinality-04 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
Incomplete Best-First random walk after 10001 steps, including 0 resets, run finished after 40 ms. (steps per millisecond=250 ) properties seen :[0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 0 resets, run finished after 39 ms. (steps per millisecond=256 ) properties seen :[0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 0 resets, run finished after 25 ms. (steps per millisecond=400 ) properties seen :[0, 0, 0, 0, 0]
Incomplete Best-First random walk after 10001 steps, including 0 resets, run finished after 15 ms. (steps per millisecond=666 ) properties seen :[0, 1, 0, 0, 0]
FORMULA NoC3x3-PT-7A-ReachabilityCardinality-07 FALSE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
Incomplete Best-First random walk after 10001 steps, including 0 resets, run finished after 16 ms. (steps per millisecond=625 ) properties seen :[0, 0, 1, 0]
FORMULA NoC3x3-PT-7A-ReachabilityCardinality-10 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
[2020-06-03 01:30:41] [INFO ] Flow matrix only has 1355 transitions (discarded 82 similar events)
// Phase 1: matrix 1355 rows 801 cols
[2020-06-03 01:30:41] [INFO ] Computed 111 place invariants in 53 ms
[2020-06-03 01:30:41] [INFO ] [Real]Absence check using 82 positive place invariants in 96 ms returned sat
[2020-06-03 01:30:41] [INFO ] [Real]Absence check using 82 positive and 29 generalized place invariants in 22 ms returned sat
[2020-06-03 01:30:41] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-03 01:30:44] [INFO ] [Real]Absence check using state equation in 2678 ms returned sat
[2020-06-03 01:30:44] [INFO ] Solution in real domain found non-integer solution.
[2020-06-03 01:30:44] [INFO ] [Nat]Absence check using 82 positive place invariants in 91 ms returned sat
[2020-06-03 01:30:44] [INFO ] [Nat]Absence check using 82 positive and 29 generalized place invariants in 19 ms returned sat
[2020-06-03 01:30:44] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2020-06-03 01:30:46] [INFO ] [Nat]Absence check using state equation in 2137 ms returned sat
[2020-06-03 01:30:46] [INFO ] State equation strengthened by 52 read => feed constraints.
[2020-06-03 01:30:46] [INFO ] [Nat]Added 52 Read/Feed constraints in 40 ms returned sat
[2020-06-03 01:30:47] [INFO ] Deduced a trap composed of 18 places in 79 ms
[2020-06-03 01:30:47] [INFO ] Deduced a trap composed of 17 places in 49 ms
[2020-06-03 01:30:47] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 365 ms
[2020-06-03 01:30:47] [INFO ] Computed and/alt/rep : 1436/6066/1354 causal constraints in 140 ms.
[2020-06-03 01:30:49] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream closed (=> (> t136 0) (or (and (> t128 0) (< o128 o136)) (and (> t137 0) (< o137 o136))))") while checking expression at index 0
[2020-06-03 01:30:49] [INFO ] [Real]Absence check using 82 positive place invariants in 74 ms returned sat
[2020-06-03 01:30:49] [INFO ] [Real]Absence check using 82 positive and 29 generalized place invariants in 17 ms returned sat
[2020-06-03 01:30:49] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-03 01:30:51] [INFO ] [Real]Absence check using state equation in 1988 ms returned sat
[2020-06-03 01:30:51] [INFO ] Solution in real domain found non-integer solution.
[2020-06-03 01:30:51] [INFO ] [Nat]Absence check using 82 positive place invariants in 59 ms returned sat
[2020-06-03 01:30:51] [INFO ] [Nat]Absence check using 82 positive and 29 generalized place invariants in 27 ms returned sat
[2020-06-03 01:30:51] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2020-06-03 01:30:53] [INFO ] [Nat]Absence check using state equation in 1828 ms returned sat
[2020-06-03 01:30:53] [INFO ] [Nat]Added 52 Read/Feed constraints in 20 ms returned sat
[2020-06-03 01:30:53] [INFO ] Deduced a trap composed of 17 places in 129 ms
[2020-06-03 01:30:54] [INFO ] Deduced a trap composed of 14 places in 54 ms
[2020-06-03 01:30:54] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 334 ms
[2020-06-03 01:30:54] [INFO ] Computed and/alt/rep : 1436/6066/1354 causal constraints in 109 ms.
[2020-06-03 01:30:56] [INFO ] Added : 140 causal constraints over 28 iterations in 2624 ms. Result :(error "Solver has unexpectedly terminated")
[2020-06-03 01:30:56] [INFO ] [Real]Absence check using 82 positive place invariants in 113 ms returned sat
[2020-06-03 01:30:57] [INFO ] [Real]Absence check using 82 positive and 29 generalized place invariants in 33 ms returned sat
[2020-06-03 01:30:57] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-03 01:30:59] [INFO ] [Real]Absence check using state equation in 2041 ms returned sat
[2020-06-03 01:30:59] [INFO ] [Real]Added 52 Read/Feed constraints in 26 ms returned sat
[2020-06-03 01:30:59] [INFO ] Solution in real domain found non-integer solution.
[2020-06-03 01:30:59] [INFO ] [Nat]Absence check using 82 positive place invariants in 68 ms returned sat
[2020-06-03 01:30:59] [INFO ] [Nat]Absence check using 82 positive and 29 generalized place invariants in 21 ms returned sat
[2020-06-03 01:30:59] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2020-06-03 01:31:01] [INFO ] [Nat]Absence check using state equation in 1856 ms returned sat
[2020-06-03 01:31:01] [INFO ] [Nat]Added 52 Read/Feed constraints in 22 ms returned sat
[2020-06-03 01:31:01] [INFO ] Deduced a trap composed of 19 places in 86 ms
[2020-06-03 01:31:01] [INFO ] Deduced a trap composed of 17 places in 90 ms
[2020-06-03 01:31:01] [INFO ] Deduced a trap composed of 21 places in 44 ms
[2020-06-03 01:31:01] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 425 ms
[2020-06-03 01:31:01] [INFO ] Computed and/alt/rep : 1436/6066/1354 causal constraints in 117 ms.
[2020-06-03 01:31:04] [INFO ] Added : 135 causal constraints over 27 iterations in 2485 ms. Result :unknown
Incomplete Parikh walk after 143600 steps, including 867 resets, run finished after 594 ms. (steps per millisecond=241 ) properties seen :[0, 0, 1] could not realise parikh vector
FORMULA NoC3x3-PT-7A-ReachabilityCardinality-15 TRUE TECHNIQUES TOPOLOGICAL PARIKH_WALK
Support contains 7 out of 801 places. Attempting structural reductions.
Starting structural reductions, iteration 0 : 801/801 places, 1437/1437 transitions.
Graph (trivial) has 733 edges and 801 vertex of which 102 / 801 are part of one of the 9 SCC in 37 ms
Free SCC test removed 93 places
Drop transitions removed 185 transitions
Ensure Unique test removed 19 transitions
Reduce isomorphic transitions removed 204 transitions.
Iterating post reduction 0 with 204 rules applied. Total rules applied 205 place count 708 transition count 1233
Symmetric choice reduction at 1 with 153 rule applications. Total rules 358 place count 708 transition count 1233
Deduced a syphon composed of 153 places in 4 ms
Reduce places removed 153 places and 169 transitions.
Iterating global reduction 1 with 306 rules applied. Total rules applied 664 place count 555 transition count 1064
Ensure Unique test removed 45 places
Ensure Unique test removed 60 transitions
Reduce isomorphic transitions removed 60 transitions.
Performed 12 Post agglomeration using F-continuation condition.Transition count delta: 12
Iterating post reduction 1 with 117 rules applied. Total rules applied 781 place count 510 transition count 992
Reduce places removed 12 places and 0 transitions.
Iterating post reduction 2 with 12 rules applied. Total rules applied 793 place count 498 transition count 992
Performed 142 Post agglomeration using F-continuation condition with reduction of 25 identical transitions.
Deduced a syphon composed of 142 places in 2 ms
Reduce places removed 142 places and 0 transitions.
Iterating global reduction 3 with 284 rules applied. Total rules applied 1077 place count 356 transition count 825
Ensure Unique test removed 85 transitions
Reduce isomorphic transitions removed 85 transitions.
Iterating post reduction 3 with 85 rules applied. Total rules applied 1162 place count 356 transition count 740
Performed 13 Post agglomeration using F-continuation condition with reduction of 4 identical transitions.
Deduced a syphon composed of 13 places in 2 ms
Reduce places removed 13 places and 0 transitions.
Iterating global reduction 4 with 26 rules applied. Total rules applied 1188 place count 343 transition count 723
Ensure Unique test removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 4 with 10 rules applied. Total rules applied 1198 place count 343 transition count 713
Performed 14 Post agglomeration using F-continuation condition.Transition count delta: -8
Deduced a syphon composed of 14 places in 1 ms
Reduce places removed 14 places and 0 transitions.
Iterating global reduction 5 with 28 rules applied. Total rules applied 1226 place count 329 transition count 721
Free-agglomeration rule applied 41 times with reduction of 31 identical transitions.
Iterating global reduction 5 with 41 rules applied. Total rules applied 1267 place count 329 transition count 649
Reduce places removed 41 places and 0 transitions.
Ensure Unique test removed 28 transitions
Reduce isomorphic transitions removed 28 transitions.
Iterating post reduction 5 with 69 rules applied. Total rules applied 1336 place count 288 transition count 621
Free-agglomeration rule applied 3 times.
Iterating global reduction 6 with 3 rules applied. Total rules applied 1339 place count 288 transition count 618
Reduce places removed 3 places and 0 transitions.
Ensure Unique test removed 9 transitions
Reduce isomorphic transitions removed 9 transitions.
Iterating post reduction 6 with 12 rules applied. Total rules applied 1351 place count 285 transition count 609
Free-agglomeration rule applied 3 times.
Iterating global reduction 7 with 3 rules applied. Total rules applied 1354 place count 285 transition count 606
Reduce places removed 3 places and 0 transitions.
Ensure Unique test removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 7 with 13 rules applied. Total rules applied 1367 place count 282 transition count 596
Free-agglomeration rule (complex) applied 22 times with reduction of 38 identical transitions.
Iterating global reduction 8 with 22 rules applied. Total rules applied 1389 place count 282 transition count 744
Reduce places removed 22 places and 0 transitions.
Ensure Unique test removed 81 transitions
Reduce isomorphic transitions removed 81 transitions.
Iterating post reduction 8 with 103 rules applied. Total rules applied 1492 place count 260 transition count 663
Partial Free-agglomeration rule applied 42 times.
Drop transitions removed 42 transitions
Iterating global reduction 9 with 42 rules applied. Total rules applied 1534 place count 260 transition count 663
Partial Post-agglomeration rule applied 3 times.
Drop transitions removed 3 transitions
Iterating global reduction 9 with 3 rules applied. Total rules applied 1537 place count 260 transition count 663
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 9 with 1 rules applied. Total rules applied 1538 place count 260 transition count 662
Drop transitions removed 166 transitions
Redundant transition composition rules discarded 166 transitions
Iterating global reduction 10 with 166 rules applied. Total rules applied 1704 place count 260 transition count 496
Partial Post-agglomeration rule applied 2 times.
Drop transitions removed 2 transitions
Iterating global reduction 10 with 2 rules applied. Total rules applied 1706 place count 260 transition count 496
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 10 with 1 rules applied. Total rules applied 1707 place count 259 transition count 495
Reduce places removed 11 places and 0 transitions.
Iterating post reduction 10 with 11 rules applied. Total rules applied 1718 place count 248 transition count 495
Applied a total of 1718 rules in 296 ms. Remains 248 /801 variables (removed 553) and now considering 495/1437 (removed 942) transitions.
Finished structural reductions, in 1 iterations. Remains : 248/801 places, 495/1437 transitions.
Finished random walk after 539 steps, including 0 resets, run visited all 2 properties in 4 ms. (steps per millisecond=134 )
FORMULA NoC3x3-PT-7A-ReachabilityCardinality-09 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA NoC3x3-PT-7A-ReachabilityCardinality-06 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
All properties solved without resorting to model-checking.

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

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="NoC3x3-PT-7A"
export BK_EXAMINATION="ReachabilityCardinality"
export BK_TOOL="itslola"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"

# 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 2-4028"
echo " Executing tool itslola"
echo " Input is NoC3x3-PT-7A, 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 r174-csrt-158987853200430"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/NoC3x3-PT-7A.tgz
mv NoC3x3-PT-7A 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 ;