fond
Model Checking Contest 2023
13th edition, Paris, France, April 26, 2023 (at TOOLympics II)
Execution of r487-tall-167912704301359
Last Updated
May 14, 2023

About the Execution of LoLa+red for ViralEpidemic-PT-S16D2C4A03

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
3675.936 3600000.00 3671505.00 10554.10 TTTTTFTTTTTTFTFF 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.r487-tall-167912704301359.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)
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=====================================================================
Generated by BenchKit 2-5348
Executing tool lolaxred
Input is ViralEpidemic-PT-S16D2C4A03, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r487-tall-167912704301359
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 55M
-rw-r--r-- 1 mcc users 13K Feb 25 21:44 CTLCardinality.txt
-rw-r--r-- 1 mcc users 118K Feb 25 21:44 CTLCardinality.xml
-rw-r--r-- 1 mcc users 7.8K Feb 25 21:16 CTLFireability.txt
-rw-r--r-- 1 mcc users 57K Feb 25 21:16 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:41 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.8K Jan 29 11:41 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 4.9K Feb 25 17:27 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Feb 25 17:27 LTLCardinality.xml
-rw-r--r-- 1 mcc users 3.0K Feb 25 17:27 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Feb 25 17:27 LTLFireability.xml
-rw-r--r-- 1 mcc users 20K Feb 25 23:35 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 167K Feb 25 23:35 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 13K Feb 25 22:40 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 83K Feb 25 22:40 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 2.0K Feb 25 17:27 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.0K Feb 25 17:27 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 equiv_col
-rw-r--r-- 1 mcc users 11 Mar 5 18:23 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 iscolored
-rw-r--r-- 1 mcc users 54M Mar 5 18:23 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 ViralEpidemic-PT-S16D2C4A03-ReachabilityFireability-00
FORMULA_NAME ViralEpidemic-PT-S16D2C4A03-ReachabilityFireability-01
FORMULA_NAME ViralEpidemic-PT-S16D2C4A03-ReachabilityFireability-02
FORMULA_NAME ViralEpidemic-PT-S16D2C4A03-ReachabilityFireability-03
FORMULA_NAME ViralEpidemic-PT-S16D2C4A03-ReachabilityFireability-04
FORMULA_NAME ViralEpidemic-PT-S16D2C4A03-ReachabilityFireability-05
FORMULA_NAME ViralEpidemic-PT-S16D2C4A03-ReachabilityFireability-06
FORMULA_NAME ViralEpidemic-PT-S16D2C4A03-ReachabilityFireability-07
FORMULA_NAME ViralEpidemic-PT-S16D2C4A03-ReachabilityFireability-08
FORMULA_NAME ViralEpidemic-PT-S16D2C4A03-ReachabilityFireability-09
FORMULA_NAME ViralEpidemic-PT-S16D2C4A03-ReachabilityFireability-10
FORMULA_NAME ViralEpidemic-PT-S16D2C4A03-ReachabilityFireability-11
FORMULA_NAME ViralEpidemic-PT-S16D2C4A03-ReachabilityFireability-12
FORMULA_NAME ViralEpidemic-PT-S16D2C4A03-ReachabilityFireability-13
FORMULA_NAME ViralEpidemic-PT-S16D2C4A03-ReachabilityFireability-14
FORMULA_NAME ViralEpidemic-PT-S16D2C4A03-ReachabilityFireability-15

=== Now, execution of the tool begins

BK_START 1679259835225

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=lolaxred
BK_EXAMINATION=ReachabilityFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=ViralEpidemic-PT-S16D2C4A03
Applying reductions before tool lola
Invoking reducer
Running Version 202303021504
[2023-03-19 21:03:56] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityFireability, -timeout, 360, -rebuildPNML]
[2023-03-19 21:03:56] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-19 21:03:58] [INFO ] Load time of PNML (sax parser for PT used): 1645 ms
[2023-03-19 21:03:58] [INFO ] Transformed 78643 places.
[2023-03-19 21:03:59] [INFO ] Transformed 144177 transitions.
[2023-03-19 21:03:59] [INFO ] Parsed PT model containing 78643 places and 144177 transitions and 353889 arcs in 2379 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 37 ms.
Working with output stream class java.io.PrintStream
Incomplete random walk after 10000 steps, including 2 resets, run finished after 6570 ms. (steps per millisecond=1 ) properties (out of 16) seen :2
FORMULA ViralEpidemic-PT-S16D2C4A03-ReachabilityFireability-09 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ViralEpidemic-PT-S16D2C4A03-ReachabilityFireability-04 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 1362 ms. (steps per millisecond=7 ) properties (out of 14) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 1288 ms. (steps per millisecond=7 ) properties (out of 14) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 1388 ms. (steps per millisecond=7 ) properties (out of 14) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 1382 ms. (steps per millisecond=7 ) properties (out of 14) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 1297 ms. (steps per millisecond=7 ) properties (out of 14) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 1266 ms. (steps per millisecond=7 ) properties (out of 14) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 1301 ms. (steps per millisecond=7 ) properties (out of 14) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 1259 ms. (steps per millisecond=7 ) properties (out of 14) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 1274 ms. (steps per millisecond=7 ) properties (out of 14) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 1265 ms. (steps per millisecond=7 ) properties (out of 14) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 1278 ms. (steps per millisecond=7 ) properties (out of 14) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 1275 ms. (steps per millisecond=7 ) properties (out of 14) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 1245 ms. (steps per millisecond=8 ) properties (out of 14) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 1258 ms. (steps per millisecond=7 ) properties (out of 14) seen :0
Running SMT prover for 14 properties.
// Phase 1: matrix 144177 rows 78643 cols
[2023-03-19 21:05:22] [INFO ] Invariants computation overflowed in 58140 ms
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Error writing to Z3 solver: java.io.IOException: Stream closed...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:251)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:629)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMTIncremental(DeadlockTester.java:339)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMT(DeadlockTester.java:223)
at fr.lip6.move.gal.application.solver.ReachabilitySolver.applyReductions(ReachabilitySolver.java:95)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:902)
at fr.lip6.move.gal.application.Application.start(Application.java:178)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:45)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:136)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:402)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:568)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:659)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:596)
at org.eclipse.equinox.launcher.Main.run(Main.java:1467)
at org.eclipse.equinox.launcher.Main.main(Main.java:1440)
[2023-03-19 21:05:47] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-19 21:05:47] [INFO ] After 25324ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0
Fused 14 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 0 ms.
Support contains 472 out of 78643 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 78643/78643 places, 144177/144177 transitions.
Graph (complete) has 69904 edges and 78643 vertex of which 4510 are kept as prefixes of interest. Removing 74133 places using SCC suffix rule.72 ms
Discarding 74133 places :
Also discarding 135189 output transitions
Drop transitions removed 135189 transitions
Drop transitions removed 4637 transitions
Reduce isomorphic transitions removed 4637 transitions.
Iterating post reduction 0 with 4637 rules applied. Total rules applied 4638 place count 4510 transition count 4351
Performed 94 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 1 with 94 Pre rules applied. Total rules applied 4638 place count 4510 transition count 4257
Deduced a syphon composed of 94 places in 1 ms
Reduce places removed 94 places and 0 transitions.
Iterating global reduction 1 with 188 rules applied. Total rules applied 4826 place count 4416 transition count 4257
Discarding 3164 places :
Symmetric choice reduction at 1 with 3164 rule applications. Total rules 7990 place count 1252 transition count 1080
Iterating global reduction 1 with 3164 rules applied. Total rules applied 11154 place count 1252 transition count 1080
Performed 35 Post agglomeration using F-continuation condition.Transition count delta: 35
Deduced a syphon composed of 35 places in 1 ms
Reduce places removed 35 places and 0 transitions.
Iterating global reduction 1 with 70 rules applied. Total rules applied 11224 place count 1217 transition count 1045
Free-agglomeration rule applied 6 times.
Iterating global reduction 1 with 6 rules applied. Total rules applied 11230 place count 1217 transition count 1039
Reduce places removed 6 places and 0 transitions.
Iterating post reduction 1 with 6 rules applied. Total rules applied 11236 place count 1211 transition count 1039
Applied a total of 11236 rules in 1576 ms. Remains 1211 /78643 variables (removed 77432) and now considering 1039/144177 (removed 143138) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1577 ms. Remains : 1211/78643 places, 1039/144177 transitions.
Incomplete random walk after 10000 steps, including 9 resets, run finished after 307 ms. (steps per millisecond=32 ) properties (out of 14) seen :8
FORMULA ViralEpidemic-PT-S16D2C4A03-ReachabilityFireability-15 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ViralEpidemic-PT-S16D2C4A03-ReachabilityFireability-14 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ViralEpidemic-PT-S16D2C4A03-ReachabilityFireability-13 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ViralEpidemic-PT-S16D2C4A03-ReachabilityFireability-11 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ViralEpidemic-PT-S16D2C4A03-ReachabilityFireability-10 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ViralEpidemic-PT-S16D2C4A03-ReachabilityFireability-08 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ViralEpidemic-PT-S16D2C4A03-ReachabilityFireability-06 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ViralEpidemic-PT-S16D2C4A03-ReachabilityFireability-01 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 172 ms. (steps per millisecond=58 ) properties (out of 6) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 129 ms. (steps per millisecond=77 ) properties (out of 6) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 98 ms. (steps per millisecond=102 ) properties (out of 6) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 112 ms. (steps per millisecond=89 ) properties (out of 6) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 130 ms. (steps per millisecond=76 ) properties (out of 6) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 115 ms. (steps per millisecond=86 ) properties (out of 6) seen :0
Running SMT prover for 6 properties.
// Phase 1: matrix 1039 rows 1211 cols
[2023-03-19 21:05:50] [INFO ] Computed 176 place invariants in 30 ms
[2023-03-19 21:05:51] [INFO ] [Real]Absence check using 0 positive and 176 generalized place invariants in 42 ms returned sat
[2023-03-19 21:05:52] [INFO ] After 1483ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:6
[2023-03-19 21:05:52] [INFO ] [Nat]Absence check using 0 positive and 176 generalized place invariants in 39 ms returned sat
[2023-03-19 21:05:53] [INFO ] After 1154ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :6
[2023-03-19 21:05:54] [INFO ] After 1974ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :6
Attempting to minimize the solution found.
Minimization took 724 ms.
[2023-03-19 21:05:55] [INFO ] After 3151ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :6
Finished Parikh walk after 318 steps, including 0 resets, run visited all 6 properties in 18 ms. (steps per millisecond=17 )
FORMULA ViralEpidemic-PT-S16D2C4A03-ReachabilityFireability-12 FALSE TECHNIQUES TOPOLOGICAL PARIKH_WALK
FORMULA ViralEpidemic-PT-S16D2C4A03-ReachabilityFireability-07 TRUE TECHNIQUES TOPOLOGICAL PARIKH_WALK
FORMULA ViralEpidemic-PT-S16D2C4A03-ReachabilityFireability-05 FALSE TECHNIQUES TOPOLOGICAL PARIKH_WALK
FORMULA ViralEpidemic-PT-S16D2C4A03-ReachabilityFireability-03 TRUE TECHNIQUES TOPOLOGICAL PARIKH_WALK
FORMULA ViralEpidemic-PT-S16D2C4A03-ReachabilityFireability-02 TRUE TECHNIQUES TOPOLOGICAL PARIKH_WALK
FORMULA ViralEpidemic-PT-S16D2C4A03-ReachabilityFireability-00 TRUE TECHNIQUES TOPOLOGICAL PARIKH_WALK
Parikh walk visited 6 properties in 19 ms.
All properties solved without resorting to model-checking.
Total runtime 118742 ms.
starting LoLA
BK_INPUT ViralEpidemic-PT-S16D2C4A03
BK_EXAMINATION: ReachabilityFireability
bin directory: /home/mcc/BenchKit/bin//../reducer/bin//../../lola/bin/
current directory: /home/mcc/execution
ReachabilityFireability
TIME LIMIT: Killed by timeout after 3600 seconds
MemTotal: 16393216 kB
MemFree: 12397312 kB
After kill :
MemTotal: 16393216 kB
MemFree: 16045484 kB

BK_TIME_CONFINEMENT_REACHED

--------------------
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//
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202303021504.jar
++ perl -pe 's/.*\.//g'
+ VERSION=202303021504
+ echo 'Running Version 202303021504'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination ReachabilityFireability -timeout 360 -rebuildPNML
lola: MEM LIMIT 32
lola: MEM LIMIT 5
lola: NET
lola: input: PNML file (--pnmlnet)
lola: reading net from /home/mcc/execution/model.pnml
lola: reading pnml
lola: PNML file contains place/transition net
lola: finished parsing
lola: closed net file /home/mcc/execution/model.pnml
lola: Reading formula.
lola: Using XML format (--xmlformula)
lola: reading XML formula
lola: reading formula from /home/mcc/execution/ReachabilityFireability.xml
lola: caught signal Terminated - aborting LoLA

FINAL RESULTS
FINISHED FORMULA: CATEGORY VALUE PRODUCED BY


Time elapsed: 3479 secs. Pages in use: 0

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="ViralEpidemic-PT-S16D2C4A03"
export BK_EXAMINATION="ReachabilityFireability"
export BK_TOOL="lolaxred"
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 lolaxred"
echo " Input is ViralEpidemic-PT-S16D2C4A03, 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 r487-tall-167912704301359"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/ViralEpidemic-PT-S16D2C4A03.tgz
mv ViralEpidemic-PT-S16D2C4A03 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 ;