Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r252-tall-174915606200549.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2025-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
................
=====================================================================
Generated by BenchKit 2-5832
Executing tool gold2024
Input is UtilityControlRoom-PT-Z4T4N04, examination is Liveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r252-tall-174915606200549
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.5M
-rw-r--r-- 1 mcc users 25K May 29 14:48 CTLCardinality.txt
-rw-r--r-- 1 mcc users 140K May 29 14:48 CTLCardinality.xml
-rw-r--r-- 1 mcc users 23K May 29 14:48 CTLFireability.txt
-rw-r--r-- 1 mcc users 99K May 29 14:48 CTLFireability.xml
-rw-r--r-- 1 mcc users 12K May 29 14:48 LTLCardinality.txt
-rw-r--r-- 1 mcc users 45K May 29 14:48 LTLCardinality.xml
-rw-r--r-- 1 mcc users 19K May 29 14:48 LTLFireability.txt
-rw-r--r-- 1 mcc users 59K May 29 14:48 LTLFireability.xml
-rw-r--r-- 1 mcc users 55K May 29 14:48 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 295K May 29 14:48 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 107K May 29 14:48 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 421K May 29 14:48 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 2.8K May 29 14:48 UpperBounds.txt
-rw-r--r-- 1 mcc users 6.0K May 29 14:48 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 May 29 14:33 equiv_col
-rw-r--r-- 1 mcc users 8 May 29 14:33 instance
-rw-r--r-- 1 mcc users 6 May 29 14:33 iscolored
-rw-r--r-- 1 mcc users 128K May 29 14:33 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 1749205853210

Invoking MCC driver with
BK_TOOL=gold2024
BK_EXAMINATION=Liveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=UtilityControlRoom-PT-Z4T4N04
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool greatspn
Invoking reducer
Running Version 202405141337
[2025-06-06 10:30:54] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, Liveness, -timeout, 180, -rebuildPNML]
[2025-06-06 10:30:54] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-06 10:30:54] [INFO ] Load time of PNML (sax parser for PT used): 69 ms
[2025-06-06 10:30:54] [INFO ] Transformed 154 places.
[2025-06-06 10:30:54] [INFO ] Transformed 300 transitions.
[2025-06-06 10:30:54] [INFO ] Parsed PT model containing 154 places and 300 transitions and 964 arcs in 161 ms.
Discarding 96 transitions out of 300. Remains 204
Ensure Unique test removed 64 transitions
Reduce redundant transitions removed 64 transitions.
Built sparse matrix representations for Structural reductions in 5 ms.16442KB memory used
Starting structural reductions in DEADLOCK mode, iteration 0 : 154/154 places, 236/236 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
Drop transitions (Redundant composition of simpler transitions.) removed 16 transitions
Redundant transition composition rules discarded 16 transitions
Iterating global reduction 0 with 16 rules applied. Total rules applied 16 place count 154 transition count 220
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 16 rules in 33 ms. Remains 154 /154 variables (removed 0) and now considering 220/236 (removed 16) transitions.
Finished structural reductions in DEADLOCK mode , in 1 iterations and 45 ms. Remains : 154/154 places, 220/236 transitions.
Random walk for 1250000 steps, including 0 resets, run took 1827 ms (no deadlock found). (steps per millisecond=684 )
Random directed walk for 1250008 steps, including 0 resets, run took 1556 ms (no deadlock found). (steps per millisecond=803 )
// Phase 1: matrix 220 rows 154 cols
[2025-06-06 10:30:58] [INFO ] Computed 11 invariants in 16 ms
[2025-06-06 10:30:58] [INFO ] [Real]Absence check using 11 positive place invariants in 7 ms returned unsat
Starting structural reductions in LIVENESS mode, iteration 0 : 154/154 places, 300/300 transitions.
Ensure Unique test removed 64 transitions
Reduce isomorphic transitions removed 64 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 64 transitions
Trivial Post-agglo rules discarded 64 transitions
Performed 64 trivial Post agglomeration. Transition count delta: 64
Iterating post reduction 0 with 128 rules applied. Total rules applied 128 place count 154 transition count 172
Reduce places removed 64 places and 0 transitions.
Ensure Unique test removed 16 transitions
Reduce isomorphic transitions removed 16 transitions.
Iterating post reduction 1 with 80 rules applied. Total rules applied 208 place count 90 transition count 156
Performed 16 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 16 Pre rules applied. Total rules applied 208 place count 90 transition count 140
Deduced a syphon composed of 16 places in 0 ms
Reduce places removed 16 places and 0 transitions.
Iterating global reduction 2 with 32 rules applied. Total rules applied 240 place count 74 transition count 140
Performed 8 Post agglomeration using F-continuation condition.Transition count delta: 8
Deduced a syphon composed of 8 places in 0 ms
Reduce places removed 8 places and 0 transitions.
Iterating global reduction 2 with 16 rules applied. Total rules applied 256 place count 66 transition count 132
Applied a total of 256 rules in 18 ms. Remains 66 /154 variables (removed 88) and now considering 132/300 (removed 168) transitions.
// Phase 1: matrix 132 rows 66 cols
[2025-06-06 10:30:58] [INFO ] Computed 11 invariants in 8 ms
[2025-06-06 10:30:58] [INFO ] Implicit Places using invariants in 128 ms returned [40, 41]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 135 ms to find 2 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 64/154 places, 132/300 transitions.
Performed 16 Post agglomeration using F-continuation condition.Transition count delta: 16
Deduced a syphon composed of 16 places in 1 ms
Reduce places removed 16 places and 0 transitions.
Iterating global reduction 0 with 32 rules applied. Total rules applied 32 place count 48 transition count 116
Applied a total of 32 rules in 5 ms. Remains 48 /64 variables (removed 16) and now considering 116/132 (removed 16) transitions.
// Phase 1: matrix 116 rows 48 cols
[2025-06-06 10:30:58] [INFO ] Computed 9 invariants in 1 ms
[2025-06-06 10:30:58] [INFO ] Implicit Places using invariants in 46 ms returned []
[2025-06-06 10:30:58] [INFO ] Invariant cache hit.
[2025-06-06 10:30:58] [INFO ] Implicit Places using invariants and state equation in 68 ms returned []
Implicit Place search using SMT with State Equation took 116 ms to find 0 implicit places.
Starting structural reductions in LIVENESS mode, iteration 2 : 48/154 places, 116/300 transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 278 ms. Remains : 48/154 places, 116/300 transitions.
Discarding 16 transitions out of 116. Remains 100
Initial state reduction rules removed 4 formulas.
RANDOM walk for 1421 steps (0 resets) in 131 ms. (10 steps per ms) remains 0/96 properties
Able to resolve query QuasiLiveness after proving 100 properties.
Starting structural reductions in LIVENESS mode, iteration 0 : 154/154 places, 300/300 transitions.
Ensure Unique test removed 64 transitions
Reduce isomorphic transitions removed 64 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 64 transitions
Trivial Post-agglo rules discarded 64 transitions
Performed 64 trivial Post agglomeration. Transition count delta: 64
Iterating post reduction 0 with 128 rules applied. Total rules applied 128 place count 154 transition count 172
Reduce places removed 64 places and 0 transitions.
Ensure Unique test removed 16 transitions
Reduce isomorphic transitions removed 16 transitions.
Iterating post reduction 1 with 80 rules applied. Total rules applied 208 place count 90 transition count 156
Performed 16 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 16 Pre rules applied. Total rules applied 208 place count 90 transition count 140
Deduced a syphon composed of 16 places in 0 ms
Reduce places removed 16 places and 0 transitions.
Iterating global reduction 2 with 32 rules applied. Total rules applied 240 place count 74 transition count 140
Performed 8 Post agglomeration using F-continuation condition.Transition count delta: 8
Deduced a syphon composed of 8 places in 0 ms
Reduce places removed 8 places and 0 transitions.
Iterating global reduction 2 with 16 rules applied. Total rules applied 256 place count 66 transition count 132
Applied a total of 256 rules in 6 ms. Remains 66 /154 variables (removed 88) and now considering 132/300 (removed 168) transitions.
// Phase 1: matrix 132 rows 66 cols
[2025-06-06 10:30:58] [INFO ] Computed 11 invariants in 1 ms
[2025-06-06 10:30:58] [INFO ] Implicit Places using invariants in 87 ms returned [40, 41]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 88 ms to find 2 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 64/154 places, 132/300 transitions.
Performed 16 Post agglomeration using F-continuation condition.Transition count delta: 16
Deduced a syphon composed of 16 places in 0 ms
Reduce places removed 16 places and 0 transitions.
Iterating global reduction 0 with 32 rules applied. Total rules applied 32 place count 48 transition count 116
Applied a total of 32 rules in 3 ms. Remains 48 /64 variables (removed 16) and now considering 116/132 (removed 16) transitions.
// Phase 1: matrix 116 rows 48 cols
[2025-06-06 10:30:58] [INFO ] Computed 9 invariants in 1 ms
[2025-06-06 10:30:58] [INFO ] Implicit Places using invariants in 45 ms returned []
[2025-06-06 10:30:58] [INFO ] Invariant cache hit.
[2025-06-06 10:30:58] [INFO ] Implicit Places using invariants and state equation in 65 ms returned []
Implicit Place search using SMT with State Equation took 112 ms to find 0 implicit places.
Starting structural reductions in LIVENESS mode, iteration 2 : 48/154 places, 116/300 transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 210 ms. Remains : 48/154 places, 116/300 transitions.
Discarding 16 transitions out of 116. Remains 100
Net is quasi-live, checking if it is reversible to establish liveness.
Unable to solve all queries for examination Liveness. Remains :1 assertions to prove.
Unable to solve all queries for examination Liveness. Remains :100 assertions to prove.
No /home/mcc/execution/Liveness.xml examination file found. Proceeding without properties.
Parsed 100 properties from file /home/mcc/execution/Liveness.xml in 1 ms.
Working with output stream class java.io.PrintStream
Total runtime 4565 ms.
----------------------------------------------------------------------
GreatSPN-meddly tool, MCC 2023
----------------------------------------------------------------------

Running UtilityControlRoom-PT-Z4T4N04

IS_COLORED=
IS_NUPN=

LOADING PETRI NET FILE /home/mcc/execution/model.pnml (PNML) ...
PNML VERSION 2009, P/T NET.
COLOR CLASSES: 0
CONSTANTS: 0
PLACES: 154
TRANSITIONS: 300
COLOR VARS: 0
MEASURES: 0
LOADING TIME: [User 0.007s, Sys 0.000s]


SAVING FILE /home/mcc/execution/model (.net / .def) ...
EXPORT TIME: [User 0.001s, Sys 0.000s]


----------------------------------------------------------------------
GreatSPN/Meddly.
Copyright (C) 1987-2022, University of Torino, Italy.
website: https://github.com/greatspn/SOURCES

Based on MEDDLY version 0.16.0
Copyright (C) 2009, Iowa State University Research Foundation, Inc.
website: http://meddly.sourceforge.net

Process ID: 518
MODEL NAME: /home/mcc/execution/model
154 places, 300 transitions.

Creating all event NSFs..
Creating all event NSFs..
Creating all event NSFs..
Creating all event NSFs..
Split: SplitSubtract
Start RS construction.
Split: SplitSubtract
Start RS construction.
Split: SplitSubtract
Start RS construction.
Split: SplitSubtract
Start RS construction.
Building monolithic NSF...
FORMULA Liveness TRUE TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING UNFOLDING_TO_PT USE_NUPN TOPOLOGICAL
Ok.
EXITCODE: 0
----------------------------------------------------------------------

BK_STOP 1749205897773

--------------------
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_1.0.0.202405141337.jar
++ perl -pe 's/.*\.//g'
+ VERSION=202405141337
+ echo 'Running Version 202405141337'
+ /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="UtilityControlRoom-PT-Z4T4N04"
export BK_EXAMINATION="Liveness"
export BK_TOOL="gold2024"
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 2-5832"
echo " Executing tool gold2024"
echo " Input is UtilityControlRoom-PT-Z4T4N04, 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 r252-tall-174915606200549"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/UtilityControlRoom-PT-Z4T4N04.tgz
mv UtilityControlRoom-PT-Z4T4N04 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.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 ;