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.r341-tall-167889213900394.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)
.....................................................................
=====================================================================
Generated by BenchKit 2-5348
Executing tool lolaxred
Input is RefineWMG-PT-050050, examination is Liveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r341-tall-167889213900394
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 592K
-rw-r--r-- 1 mcc users 7.1K Feb 26 16:00 CTLCardinality.txt
-rw-r--r-- 1 mcc users 74K Feb 26 16:00 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.7K Feb 26 15:59 CTLFireability.txt
-rw-r--r-- 1 mcc users 40K Feb 26 15:59 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:41 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.4K Feb 25 16:43 LTLCardinality.txt
-rw-r--r-- 1 mcc users 24K Feb 25 16:43 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.1K Feb 25 16:43 LTLFireability.txt
-rw-r--r-- 1 mcc users 14K Feb 25 16:43 LTLFireability.xml
-rw-r--r-- 1 mcc users 15K Feb 26 16:01 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 162K Feb 26 16:01 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.7K Feb 26 16:00 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 77K Feb 26 16:00 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Feb 25 16:43 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Feb 25 16:43 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 equiv_col
-rw-r--r-- 1 mcc users 7 Mar 5 18:23 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 iscolored
-rw-r--r-- 1 mcc users 110K 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 Liveness

=== Now, execution of the tool begins

BK_START 1679107849847

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=Liveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=RefineWMG-PT-050050
Applying reductions before tool lola
Invoking reducer
Running Version 202303021504
[2023-03-18 02:50:51] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, Liveness, -timeout, 180, -rebuildPNML]
[2023-03-18 02:50:51] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-18 02:50:51] [INFO ] Load time of PNML (sax parser for PT used): 56 ms
[2023-03-18 02:50:51] [INFO ] Transformed 254 places.
[2023-03-18 02:50:51] [INFO ] Transformed 203 transitions.
[2023-03-18 02:50:51] [INFO ] Parsed PT model containing 254 places and 203 transitions and 608 arcs in 118 ms.
Discarding 50 transitions out of 203. Remains 153
Built sparse matrix representations for Structural reductions in 5 ms.27420KB memory used
Starting structural reductions in DEADLOCK mode, iteration 0 : 254/254 places, 203/203 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 22 ms. Remains 254 /254 variables (removed 0) and now considering 203/203 (removed 0) transitions.
// Phase 1: matrix 203 rows 254 cols
[2023-03-18 02:50:51] [INFO ] Computed 102 place invariants in 16 ms
[2023-03-18 02:50:51] [INFO ] Dead Transitions using invariants and state equation in 321 ms found 0 transitions.
Finished structural reductions in DEADLOCK mode , in 1 iterations and 368 ms. Remains : 254/254 places, 203/203 transitions.
Starting structural reductions in DEADLOCK mode, iteration 0 : 254/254 places, 203/203 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 12 ms. Remains 254 /254 variables (removed 0) and now considering 203/203 (removed 0) transitions.
[2023-03-18 02:50:51] [INFO ] Invariant cache hit.
[2023-03-18 02:50:51] [INFO ] Implicit Places using invariants in 89 ms returned []
[2023-03-18 02:50:51] [INFO ] Invariant cache hit.
[2023-03-18 02:50:52] [INFO ] Implicit Places using invariants and state equation in 122 ms returned []
Implicit Place search using SMT with State Equation took 214 ms to find 0 implicit places.
[2023-03-18 02:50:52] [INFO ] Redundant transitions in 8 ms returned []
[2023-03-18 02:50:52] [INFO ] Invariant cache hit.
[2023-03-18 02:50:52] [INFO ] Dead Transitions using invariants and state equation in 134 ms found 0 transitions.
Finished structural reductions in DEADLOCK mode , in 1 iterations and 376 ms. Remains : 254/254 places, 203/203 transitions.
Random walk for 1250023 steps, including 0 resets, run took 2092 ms (no deadlock found). (steps per millisecond=597 )
Random directed walk for 1250047 steps, including 0 resets, run took 3029 ms (no deadlock found). (steps per millisecond=412 )
[2023-03-18 02:50:57] [INFO ] Invariant cache hit.
[2023-03-18 02:50:57] [INFO ] [Real]Absence check using 102 positive place invariants in 1 ms returned unsat
Starting structural reductions in LIVENESS mode, iteration 0 : 254/254 places, 203/203 transitions.
Graph (trivial) has 150 edges and 254 vertex of which 100 / 254 are part of one of the 50 SCC in 3 ms
Free SCC test removed 50 places
Ensure Unique test removed 50 transitions
Reduce isomorphic transitions removed 50 transitions.
Reduce places removed 50 places and 0 transitions.
Ensure Unique test removed 49 transitions
Reduce isomorphic transitions removed 49 transitions.
Iterating post reduction 0 with 99 rules applied. Total rules applied 100 place count 154 transition count 104
Performed 50 Post agglomeration using F-continuation condition.Transition count delta: 50
Deduced a syphon composed of 50 places in 0 ms
Reduce places removed 100 places and 0 transitions.
Iterating global reduction 1 with 150 rules applied. Total rules applied 250 place count 54 transition count 54
Drop transitions removed 49 transitions
Trivial Post-agglo rules discarded 49 transitions
Performed 49 trivial Post agglomeration. Transition count delta: 49
Iterating post reduction 1 with 49 rules applied. Total rules applied 299 place count 54 transition count 5
Reduce places removed 49 places and 0 transitions.
Iterating post reduction 2 with 49 rules applied. Total rules applied 348 place count 5 transition count 5
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 3 with 2 rules applied. Total rules applied 350 place count 4 transition count 4
Applied a total of 350 rules in 14 ms. Remains 4 /254 variables (removed 250) and now considering 4/203 (removed 199) transitions.
// Phase 1: matrix 4 rows 4 cols
[2023-03-18 02:50:57] [INFO ] Computed 2 place invariants in 0 ms
[2023-03-18 02:50:57] [INFO ] Dead Transitions using invariants and state equation in 19 ms found 0 transitions.
[2023-03-18 02:50:57] [INFO ] Invariant cache hit.
[2023-03-18 02:50:57] [INFO ] Implicit Places using invariants in 20 ms returned []
[2023-03-18 02:50:57] [INFO ] Invariant cache hit.
[2023-03-18 02:50:57] [INFO ] Implicit Places using invariants and state equation in 22 ms returned []
Implicit Place search using SMT with State Equation took 44 ms to find 0 implicit places.
[2023-03-18 02:50:57] [INFO ] Invariant cache hit.
[2023-03-18 02:50:57] [INFO ] Dead Transitions using invariants and state equation in 26 ms found 0 transitions.
Starting structural reductions in LIVENESS mode, iteration 1 : 4/254 places, 4/203 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 108 ms. Remains : 4/254 places, 4/203 transitions.
Initial state reduction rules removed 1 formulas.
Finished random walk after 5 steps, including 0 resets, run visited all 2 properties in 12 ms. (steps per millisecond=0 )
Able to resolve query QuasiLiveness after proving 4 properties.
Starting structural reductions in LIVENESS mode, iteration 0 : 254/254 places, 203/203 transitions.
Graph (trivial) has 150 edges and 254 vertex of which 100 / 254 are part of one of the 50 SCC in 1 ms
Free SCC test removed 50 places
Ensure Unique test removed 50 transitions
Reduce isomorphic transitions removed 50 transitions.
Reduce places removed 50 places and 0 transitions.
Ensure Unique test removed 49 transitions
Reduce isomorphic transitions removed 49 transitions.
Iterating post reduction 0 with 99 rules applied. Total rules applied 100 place count 154 transition count 104
Performed 50 Post agglomeration using F-continuation condition.Transition count delta: 50
Deduced a syphon composed of 50 places in 0 ms
Reduce places removed 100 places and 0 transitions.
Iterating global reduction 1 with 150 rules applied. Total rules applied 250 place count 54 transition count 54
Drop transitions removed 49 transitions
Trivial Post-agglo rules discarded 49 transitions
Performed 49 trivial Post agglomeration. Transition count delta: 49
Iterating post reduction 1 with 49 rules applied. Total rules applied 299 place count 54 transition count 5
Reduce places removed 49 places and 0 transitions.
Iterating post reduction 2 with 49 rules applied. Total rules applied 348 place count 5 transition count 5
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 3 with 2 rules applied. Total rules applied 350 place count 4 transition count 4
Applied a total of 350 rules in 10 ms. Remains 4 /254 variables (removed 250) and now considering 4/203 (removed 199) transitions.
[2023-03-18 02:50:57] [INFO ] Invariant cache hit.
[2023-03-18 02:50:57] [INFO ] Dead Transitions using invariants and state equation in 15 ms found 0 transitions.
[2023-03-18 02:50:57] [INFO ] Invariant cache hit.
[2023-03-18 02:50:57] [INFO ] Implicit Places using invariants in 22 ms returned []
[2023-03-18 02:50:57] [INFO ] Invariant cache hit.
[2023-03-18 02:50:57] [INFO ] Implicit Places using invariants and state equation in 24 ms returned []
Implicit Place search using SMT with State Equation took 47 ms to find 0 implicit places.
[2023-03-18 02:50:57] [INFO ] Invariant cache hit.
[2023-03-18 02:50:57] [INFO ] Dead Transitions using invariants and state equation in 19 ms found 0 transitions.
Starting structural reductions in LIVENESS mode, iteration 1 : 4/254 places, 4/203 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 93 ms. Remains : 4/254 places, 4/203 transitions.
Unable to solve all queries for examination Liveness. Remains :3 assertions to prove.
No /home/mcc/execution/Liveness.xml examination file found. Proceeding without properties.
Parsed 3 properties from file /home/mcc/execution/Liveness.xml in 1 ms.
Working with output stream class java.io.PrintStream
Total runtime 6355 ms.
starting LoLA
BK_INPUT RefineWMG-PT-050050
BK_EXAMINATION: Liveness
bin directory: /home/mcc/BenchKit/bin//../reducer/bin//../../lola/bin/
current directory: /home/mcc/execution
GlobalProperty: Liveness

FORMULA Liveness TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

BK_STOP 1679107859063

--------------------
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:
++ 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'
++ sed s/.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
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: LAUNCH SYMM
lola: The net is live
lola: ..... t60: true

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="RefineWMG-PT-050050"
export BK_EXAMINATION="Liveness"
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 RefineWMG-PT-050050, 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 r341-tall-167889213900394"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/RefineWMG-PT-050050.tgz
mv RefineWMG-PT-050050 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 ;