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.r151-smll-167819438300394.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 ltsminxred
Input is DrinkVendingMachine-PT-02, examination is Liveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r151-smll-167819438300394
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 652K
-rw-r--r-- 1 mcc users 11K Feb 26 04:37 CTLCardinality.txt
-rw-r--r-- 1 mcc users 87K Feb 26 04:37 CTLCardinality.xml
-rw-r--r-- 1 mcc users 18K Feb 26 04:35 CTLFireability.txt
-rw-r--r-- 1 mcc users 94K Feb 26 04:35 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:40 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 5.5K Feb 25 16:02 LTLCardinality.txt
-rw-r--r-- 1 mcc users 31K Feb 25 16:02 LTLCardinality.xml
-rw-r--r-- 1 mcc users 9.0K Feb 25 16:02 LTLFireability.txt
-rw-r--r-- 1 mcc users 34K Feb 25 16:02 LTLFireability.xml
-rw-r--r-- 1 mcc users 13K Feb 26 04:39 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 106K Feb 26 04:39 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 25K Feb 26 04:38 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 109K Feb 26 04:38 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 2.0K Feb 25 16:02 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.2K Feb 25 16:02 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 Mar 5 18:22 equiv_col
-rw-r--r-- 1 mcc users 3 Mar 5 18:22 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 iscolored
-rw-r--r-- 1 mcc users 51K Mar 5 18:22 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 Liveness

=== Now, execution of the tool begins

BK_START 1678404103823

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=ltsminxred
BK_EXAMINATION=Liveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=DrinkVendingMachine-PT-02
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202303021504
[2023-03-09 23:21:48] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, Liveness, -timeout, 180, -rebuildPNML]
[2023-03-09 23:21:48] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-09 23:21:48] [INFO ] Load time of PNML (sax parser for PT used): 55 ms
[2023-03-09 23:21:48] [INFO ] Transformed 24 places.
[2023-03-09 23:21:48] [INFO ] Transformed 72 transitions.
[2023-03-09 23:21:48] [INFO ] Parsed PT model containing 24 places and 72 transitions and 440 arcs in 163 ms.
Discarding 20 transitions out of 72. Remains 52
Ensure Unique test removed 20 transitions
Reduce redundant transitions removed 20 transitions.
Built sparse matrix representations for Structural reductions in 7 ms.18518KB memory used
Starting structural reductions in DEADLOCK mode, iteration 0 : 24/24 places, 52/52 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Applied a total of 0 rules in 25 ms. Remains 24 /24 variables (removed 0) and now considering 52/52 (removed 0) transitions.
// Phase 1: matrix 52 rows 24 cols
[2023-03-09 23:21:48] [INFO ] Computed 12 place invariants in 7 ms
[2023-03-09 23:21:48] [INFO ] Dead Transitions using invariants and state equation in 341 ms found 24 transitions.
Found 24 dead transitions using SMT.
Drop transitions removed 24 transitions
Dead transitions reduction (with SMT) triggered by suspicious arc values removed 24 transitions.
Starting structural reductions in DEADLOCK mode, iteration 1 : 24/24 places, 28/52 transitions.
Computed a total of 4 stabilizing places and 2 stable transitions
Graph (complete) has 72 edges and 24 vertex of which 20 are kept as prefixes of interest. Removing 4 places using SCC suffix rule.2 ms
Discarding 4 places :
Also discarding 2 output transitions
Drop transitions removed 2 transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Applied a total of 1 rules in 9 ms. Remains 20 /24 variables (removed 4) and now considering 26/28 (removed 2) transitions.
Finished structural reductions in DEADLOCK mode , in 2 iterations and 423 ms. Remains : 20/24 places, 26/52 transitions.
Random walk for 1250000 steps, including 0 resets, run took 1946 ms (no deadlock found). (steps per millisecond=642 )
Random directed walk for 1250001 steps, including 0 resets, run took 1651 ms (no deadlock found). (steps per millisecond=757 )
// Phase 1: matrix 26 rows 20 cols
[2023-03-09 23:21:52] [INFO ] Computed 10 place invariants in 3 ms
[2023-03-09 23:21:52] [INFO ] [Real]Absence check using 10 positive place invariants in 6 ms returned unsat
Starting structural reductions in LIVENESS mode, iteration 0 : 24/24 places, 72/72 transitions.
Ensure Unique test removed 20 transitions
Reduce isomorphic transitions removed 20 transitions.
Iterating post reduction 0 with 20 rules applied. Total rules applied 20 place count 24 transition count 52
Performed 12 Post agglomeration using F-continuation condition.Transition count delta: 12
Deduced a syphon composed of 12 places in 1 ms
FORMULA Liveness FALSE TECHNIQUES QUASILIVENESS_TEST
Total runtime 4373 ms.
ITS solved all properties within timeout

BK_STOP 1678404113774

--------------------
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 Liveness -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="DrinkVendingMachine-PT-02"
export BK_EXAMINATION="Liveness"
export BK_TOOL="ltsminxred"
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 ltsminxred"
echo " Input is DrinkVendingMachine-PT-02, examination is Liveness"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r151-smll-167819438300394"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DrinkVendingMachine-PT-02.tgz
mv DrinkVendingMachine-PT-02 execution
cd execution
if [ "Liveness" = "ReachabilityDeadlock" ] || [ "Liveness" = "UpperBounds" ] || [ "Liveness" = "QuasiLiveness" ] || [ "Liveness" = "StableMarking" ] || [ "Liveness" = "Liveness" ] || [ "Liveness" = "OneSafe" ] || [ "Liveness" = "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 [ "Liveness" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "Liveness" != "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 "Liveness.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property Liveness.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "Liveness.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 '' Liveness.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "Liveness" = "ReachabilityDeadlock" ] || [ "Liveness" = "QuasiLiveness" ] || [ "Liveness" = "StableMarking" ] || [ "Liveness" = "Liveness" ] || [ "Liveness" = "OneSafe" ] ; then
echo "FORMULA_NAME Liveness"
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 ;