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.r277-smll-167863548800367.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 Peterson-COL-6, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r277-smll-167863548800367
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 528K
-rw-r--r-- 1 mcc users 8.3K Feb 25 22:29 CTLCardinality.txt
-rw-r--r-- 1 mcc users 87K Feb 25 22:29 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.7K Feb 25 22:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 60K Feb 25 22:22 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:40 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 4.1K Feb 25 16:31 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K Feb 25 16:31 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.5K Feb 25 16:31 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Feb 25 16:31 LTLFireability.xml
-rw-r--r-- 1 mcc users 13K Feb 25 22:59 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 124K Feb 25 22:59 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.9K Feb 25 22:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 69K Feb 25 22:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Feb 25 16:31 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Feb 25 16:31 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 Mar 5 18:23 equiv_pt
-rw-r--r-- 1 mcc users 2 Mar 5 18:23 instance
-rw-r--r-- 1 mcc users 5 Mar 5 18:23 iscolored
-rw-r--r-- 1 mcc users 46K 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

FORMULA_NAME QuasiLiveness

=== Now, execution of the tool begins

BK_START 1678881323341

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=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=Peterson-COL-6
Applying reductions before tool lola
Invoking reducer
Running Version 202303021504
[2023-03-15 11:55:25] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -timeout, 180, -rebuildPNML]
[2023-03-15 11:55:25] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-15 11:55:25] [INFO ] Detected file is not PT type :http://www.pnml.org/version-2009/grammar/symmetricnet
log4j:WARN No appenders could be found for logger (org.apache.axiom.locator.DefaultOMMetaFactoryLocator).
log4j:WARN Please initialize the log4j system properly.
log4j:WARN See http://logging.apache.org/log4j/1.2/faq.html#noconfig for more info.
[2023-03-15 11:55:26] [WARNING] Using fallBack plugin, rng conformance not checked
[2023-03-15 11:55:26] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 698 ms
[2023-03-15 11:55:26] [INFO ] Imported 11 HL places and 14 HL transitions for a total of 1372 PT places and 2247.0 transition bindings in 27 ms.
[2023-03-15 11:55:26] [INFO ] Unfolded HLPN to a Petri net with 1372 places and 2114 transitions 6608 arcs in 75 ms.
[2023-03-15 11:55:26] [INFO ] Unfolded 14 HLPN properties in 1 ms.
Initial state reduction rules removed 1 formulas.
Deduced a syphon composed of 42 places in 20 ms
Reduce places removed 42 places and 84 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 238 ms. (steps per millisecond=42 ) properties (out of 13) seen :12
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 49 ms. (steps per millisecond=204 ) properties (out of 1) seen :0
Running SMT prover for 1 properties.
[2023-03-15 11:55:27] [INFO ] Flow matrix only has 1820 transitions (discarded 210 similar events)
// Phase 1: matrix 1820 rows 1330 cols
[2023-03-15 11:55:27] [INFO ] Computed 27 place invariants in 41 ms
[2023-03-15 11:55:28] [INFO ] [Real]Absence check using 20 positive place invariants in 34 ms returned sat
[2023-03-15 11:55:28] [INFO ] [Real]Absence check using 20 positive and 7 generalized place invariants in 17 ms returned sat
[2023-03-15 11:55:28] [INFO ] After 794ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-15 11:55:28] [INFO ] [Nat]Absence check using 20 positive place invariants in 32 ms returned sat
[2023-03-15 11:55:28] [INFO ] [Nat]Absence check using 20 positive and 7 generalized place invariants in 32 ms returned sat
[2023-03-15 11:55:29] [INFO ] After 992ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-15 11:55:29] [INFO ] State equation strengthened by 330 read => feed constraints.
[2023-03-15 11:55:29] [INFO ] After 180ms SMT Verify possible using 330 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-15 11:55:30] [INFO ] Deduced a trap composed of 22 places in 951 ms of which 33 ms to minimize.
[2023-03-15 11:55:31] [INFO ] Deduced a trap composed of 47 places in 990 ms of which 2 ms to minimize.
[2023-03-15 11:55:32] [INFO ] Deduced a trap composed of 12 places in 928 ms of which 2 ms to minimize.
[2023-03-15 11:55:32] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 3268 ms
[2023-03-15 11:55:33] [INFO ] After 3561ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 130 ms.
[2023-03-15 11:55:33] [INFO ] After 5104ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 81 ms.
Support contains 42 out of 1330 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1330/1330 places, 2030/2030 transitions.
Drop transitions removed 576 transitions
Trivial Post-agglo rules discarded 576 transitions
Performed 576 trivial Post agglomeration. Transition count delta: 576
Iterating post reduction 0 with 576 rules applied. Total rules applied 576 place count 1330 transition count 1454
Reduce places removed 576 places and 0 transitions.
Iterating post reduction 1 with 576 rules applied. Total rules applied 1152 place count 754 transition count 1454
Performed 300 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 300 Pre rules applied. Total rules applied 1152 place count 754 transition count 1154
Deduced a syphon composed of 300 places in 16 ms
Reduce places removed 300 places and 0 transitions.
Iterating global reduction 2 with 600 rules applied. Total rules applied 1752 place count 454 transition count 1154
Applied a total of 1752 rules in 261 ms. Remains 454 /1330 variables (removed 876) and now considering 1154/2030 (removed 876) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 261 ms. Remains : 454/1330 places, 1154/2030 transitions.
Incomplete random walk after 1000000 steps, including 2 resets, run finished after 3834 ms. (steps per millisecond=260 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 1744 ms. (steps per millisecond=573 ) properties (out of 1) seen :0
Finished probabilistic random walk after 78 steps, run visited all 1 properties in 10 ms. (steps per millisecond=7 )
Probabilistic random walk after 78 steps, saw 71 distinct states, run finished after 11 ms. (steps per millisecond=7 ) properties seen :1
Able to resolve query QuasiLiveness after proving 14 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK PROBABILISTIC_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 13485 ms.
ITS solved all properties within timeout

BK_STOP 1678881340085

--------------------
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_1.0.0.202303021504.jar
+ VERSION=202303021504
+ echo 'Running Version 202303021504'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination QuasiLiveness -timeout 180 -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="Peterson-COL-6"
export BK_EXAMINATION="QuasiLiveness"
export BK_TOOL="lolaxred"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="1800"
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 Peterson-COL-6, examination is QuasiLiveness"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r277-smll-167863548800367"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Peterson-COL-6.tgz
mv Peterson-COL-6 execution
cd execution
if [ "QuasiLiveness" = "ReachabilityDeadlock" ] || [ "QuasiLiveness" = "UpperBounds" ] || [ "QuasiLiveness" = "QuasiLiveness" ] || [ "QuasiLiveness" = "StableMarking" ] || [ "QuasiLiveness" = "Liveness" ] || [ "QuasiLiveness" = "OneSafe" ] || [ "QuasiLiveness" = "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 [ "QuasiLiveness" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "QuasiLiveness" != "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 "QuasiLiveness.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property QuasiLiveness.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "QuasiLiveness.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 '' QuasiLiveness.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "QuasiLiveness" = "ReachabilityDeadlock" ] || [ "QuasiLiveness" = "QuasiLiveness" ] || [ "QuasiLiveness" = "StableMarking" ] || [ "QuasiLiveness" = "Liveness" ] || [ "QuasiLiveness" = "OneSafe" ] ; then
echo "FORMULA_NAME QuasiLiveness"
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 ;