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.r196-tall-174889279200461.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)
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=====================================================================
Generated by BenchKit 2-5832
Executing tool gold2024
Input is SafeBus-COL-20, examination is ReachabilityDeadlock
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r196-tall-174889279200461
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 564K
-rw-r--r-- 1 mcc users 7.3K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 74K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 7.5K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 72K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 29 14:32 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.9K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 29K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.5K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 21K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 14K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 134K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 12K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 98K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K May 29 14:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 May 29 14:32 equiv_pt
-rw-r--r-- 1 mcc users 3 May 29 14:32 instance
-rw-r--r-- 1 mcc users 5 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 42K May 29 14:32 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 ReachabilityDeadlock

=== Now, execution of the tool begins

BK_START 1748963141195

Invoking MCC driver with
BK_TOOL=gold2024
BK_EXAMINATION=ReachabilityDeadlock
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=SafeBus-COL-20
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool greatspn
Invoking reducer
Running Version 202405141337
[2025-06-03 15:05:42] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityDeadlock, -timeout, 180, -rebuildPNML]
[2025-06-03 15:05:42] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-03 15:05:42] [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.
[2025-06-03 15:05:42] [WARNING] Using fallBack plugin, rng conformance not checked
[2025-06-03 15:05:43] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 520 ms
[2025-06-03 15:05:43] [INFO ] Detected 1 constant HL places corresponding to 20 PT places.
[2025-06-03 15:05:43] [INFO ] Imported 20 HL places and 14 HL transitions for a total of 1046 PT places and 179241.0 transition bindings in 23 ms.
Parsed 1 properties from file /home/mcc/execution/ReachabilityDeadlock.xml in 1 ms.
Working with output stream class java.io.PrintStream
[2025-06-03 15:05:43] [INFO ] Built PT skeleton of HLPN with 20 places and 14 transitions 68 arcs in 4 ms.
[2025-06-03 15:05:43] [INFO ] Skeletonized 1 HLPN properties in 0 ms.
Reduce places removed 3 places and 0 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Prefix of Interest using HLPN skeleton for deadlock discarded 0 places and 0 transitions.
Domain [It(20), It(20)] of place AMC breaks symmetries in sort It
[2025-06-03 15:05:43] [INFO ] Unfolded HLPN to a Petri net with 1046 places and 10501 transitions 76784 arcs in 198 ms.
[2025-06-03 15:05:43] [INFO ] Unfolded 1 HLPN properties in 0 ms.
Deduced a syphon composed of 20 places in 22 ms
Reduce places removed 40 places and 40 transitions.
Built sparse matrix representations for Structural reductions in 10 ms.26996KB memory used
Starting structural reductions in DEADLOCK mode, iteration 0 : 1006/1006 places, 10461/10461 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 5180 ms. Remains 1006 /1006 variables (removed 0) and now considering 10461/10461 (removed 0) transitions.
Finished structural reductions in DEADLOCK mode , in 1 iterations and 5200 ms. Remains : 1006/1006 places, 10461/10461 transitions.
Starting structural reductions in DEADLOCK mode, iteration 0 : 1006/1006 places, 10461/10461 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 5365 ms. Remains 1006 /1006 variables (removed 0) and now considering 10461/10461 (removed 0) transitions.
[2025-06-03 15:05:53] [INFO ] Flow matrix only has 2482 transitions (discarded 7979 similar events)
// Phase 1: matrix 2482 rows 1006 cols
[2025-06-03 15:05:54] [INFO ] Computed 85 invariants in 139 ms
[2025-06-03 15:05:57] [INFO ] Implicit Places using invariants in 3455 ms returned [861, 862, 863, 864, 865, 866, 867, 868, 869, 870, 871, 872, 873, 874, 875, 876, 877, 878, 879, 880]
Discarding 20 places :
Implicit Place search using SMT only with invariants took 3503 ms to find 20 implicit places.
Starting structural reductions in DEADLOCK mode, iteration 1 : 986/1006 places, 10461/10461 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Performed 20 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 20 Pre rules applied. Total rules applied 0 place count 986 transition count 10441
Deduced a syphon composed of 20 places in 8 ms
Reduce places removed 20 places and 0 transitions.
Iterating global reduction 0 with 40 rules applied. Total rules applied 40 place count 966 transition count 10441
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 40 rules in 5287 ms. Remains 966 /986 variables (removed 20) and now considering 10441/10461 (removed 20) transitions.
[2025-06-03 15:06:02] [INFO ] Flow matrix only has 2462 transitions (discarded 7979 similar events)
// Phase 1: matrix 2462 rows 966 cols
[2025-06-03 15:06:02] [INFO ] Computed 65 invariants in 49 ms
[2025-06-03 15:06:05] [INFO ] Implicit Places using invariants in 2987 ms returned []
Implicit Place search using SMT only with invariants took 2989 ms to find 0 implicit places.
Starting structural reductions in DEADLOCK mode, iteration 2 : 966/1006 places, 10441/10461 transitions.
Finished structural reductions in DEADLOCK mode , in 2 iterations and 17156 ms. Remains : 966/1006 places, 10441/10461 transitions.
Interrupted Random walk after 1097202 steps, including 0 resets, run timeout after 30001 ms. (steps per millisecond=36 )
Random directed walk for 1250005 steps, including 0 resets, run took 22284 ms (no deadlock found). (steps per millisecond=56 )
[2025-06-03 15:06:58] [INFO ] Flow matrix only has 2462 transitions (discarded 7979 similar events)
[2025-06-03 15:06:58] [INFO ] Invariant cache hit.
[2025-06-03 15:06:59] [INFO ] [Real]Absence check using 24 positive place invariants in 38 ms returned sat
[2025-06-03 15:07:01] [INFO ] [Real]Absence check using 24 positive and 41 generalized place invariants in 1916 ms returned sat
[2025-06-03 15:07:04] [INFO ] [Real]Absence check using state equation in 2359 ms returned sat
[2025-06-03 15:07:04] [INFO ] Solution in real domain found non-integer solution.
[2025-06-03 15:07:06] [INFO ] [Nat]Absence check using 24 positive place invariants in 185 ms returned sat
[2025-06-03 15:07:06] [INFO ] [Nat]Absence check using 24 positive and 41 generalized place invariants in 688 ms returned sat
[2025-06-03 15:07:09] [INFO ] [Nat]Absence check using state equation in 2942 ms returned sat
[2025-06-03 15:07:09] [INFO ] State equation strengthened by 421 read => feed constraints.
[2025-06-03 15:07:10] [INFO ] [Nat]Added 421 Read/Feed constraints in 1020 ms returned sat
[2025-06-03 15:07:11] [INFO ] Deduced a trap composed of 117 places in 421 ms of which 30 ms to minimize.
[2025-06-03 15:07:12] [INFO ] Deduced a trap composed of 99 places in 490 ms of which 5 ms to minimize.
[2025-06-03 15:07:12] [INFO ] Deduced a trap composed of 99 places in 251 ms of which 3 ms to minimize.
[2025-06-03 15:07:12] [INFO ] Deduced a trap composed of 117 places in 268 ms of which 4 ms to minimize.
[2025-06-03 15:07:13] [INFO ] Deduced a trap composed of 117 places in 266 ms of which 3 ms to minimize.
[2025-06-03 15:07:13] [INFO ] Deduced a trap composed of 99 places in 275 ms of which 4 ms to minimize.
[2025-06-03 15:07:16] [INFO ] Trap strengthening (SAT) tested/added 7/6 trap constraints in 5696 ms
[2025-06-03 15:07:17] [INFO ] Computed and/alt/rep : 40/60/40 causal constraints (skipped 2402 transitions) in 572 ms.
[2025-06-03 15:07:17] [INFO ] Added : 2 causal constraints over 2 iterations in 1026 ms. Result :sat
Parikh directed walk for 64700 steps, including 1000 resets, run took 1905 ms. (steps per millisecond=33 )
Random directed walk for 500003 steps, including 0 resets, run took 8894 ms (no deadlock found). (steps per millisecond=56 )
Random walk for 500000 steps, including 0 resets, run took 13253 ms (no deadlock found). (steps per millisecond=37 )
Random directed walk for 500001 steps, including 0 resets, run took 8610 ms (no deadlock found). (steps per millisecond=58 )
Random walk for 500000 steps, including 0 resets, run took 13178 ms (no deadlock found). (steps per millisecond=37 )
Starting structural reductions in DEADLOCK mode, iteration 0 : 966/966 places, 10441/10441 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 4711 ms. Remains 966 /966 variables (removed 0) and now considering 10441/10441 (removed 0) transitions.
[2025-06-03 15:08:08] [INFO ] Flow matrix only has 2462 transitions (discarded 7979 similar events)
[2025-06-03 15:08:08] [INFO ] Invariant cache hit.
[2025-06-03 15:08:10] [INFO ] Implicit Places using invariants in 2531 ms returned []
Implicit Place search using SMT only with invariants took 2536 ms to find 0 implicit places.
Running 10421 sub problems to find dead transitions.
[2025-06-03 15:08:11] [INFO ] Flow matrix only has 2462 transitions (discarded 7979 similar events)
[2025-06-03 15:08:11] [INFO ] Invariant cache hit.
[2025-06-03 15:08:11] [INFO ] State equation strengthened by 421 read => feed constraints.
----------------------------------------------------------------------
GreatSPN-meddly tool, MCC 2023
----------------------------------------------------------------------

Running SafeBus-COL-20

IS_COLORED=1
IS_NUPN=

LOADING model.pnml ...
MODEL CLASS: SYMMETRIC NET
PLACES: 20
TRANSITIONS: 14
CONSTANTS: 0
TEMPLATE VARS: 0
COLOR CLASSES: 2
COLOR VARS: 5
ARCS: 68
LOADING TIME: 0.171

UNFOLDING COLORS...
MODEL CLASS: P/T NET
PLACES: 1046
TRANSITIONS: 10501
CONSTANTS: 0
TEMPLATE VARS: 0
ARCS: 77544
UNFOLDING TIME: 1.619

SAVING AS /home/mcc/execution/model.(net/def) ...
exportGspn useExt=true
SAVING TIME: 0.326
SAVING NAME MAP FILE /home/mcc/execution/model.id2name ...
SAVING UNFOLDING MAP FILE /home/mcc/execution/model.unfmap ...
TOTAL TIME: 2.293
OK.
----------------------------------------------------------------------
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: 570
MODEL NAME: /home/mcc/execution/model
1046 places, 10501 transitions.

No place bound informations found.
No place bound informations found.
No place bound informations found.
No place bound informations found.
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.

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:
++ perl -pe 's/.*\.//g'
++ sed s/.jar//
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202405141337.jar
+ VERSION=202405141337
+ echo 'Running Version 202405141337'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination ReachabilityDeadlock -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="SafeBus-COL-20"
export BK_EXAMINATION="ReachabilityDeadlock"
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 SafeBus-COL-20, examination is ReachabilityDeadlock"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r196-tall-174889279200461"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/SafeBus-COL-20.tgz
mv SafeBus-COL-20 execution
cd execution
if [ "ReachabilityDeadlock" = "ReachabilityDeadlock" ] || [ "ReachabilityDeadlock" = "UpperBounds" ] || [ "ReachabilityDeadlock" = "QuasiLiveness" ] || [ "ReachabilityDeadlock" = "StableMarking" ] || [ "ReachabilityDeadlock" = "Liveness" ] || [ "ReachabilityDeadlock" = "OneSafe" ] || [ "ReachabilityDeadlock" = "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 [ "ReachabilityDeadlock" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "ReachabilityDeadlock" != "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 "ReachabilityDeadlock.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 '' ReachabilityDeadlock.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "ReachabilityDeadlock" = "ReachabilityDeadlock" ] || [ "ReachabilityDeadlock" = "QuasiLiveness" ] || [ "ReachabilityDeadlock" = "StableMarking" ] || [ "ReachabilityDeadlock" = "Liveness" ] || [ "ReachabilityDeadlock" = "OneSafe" ] ; then
echo "FORMULA_NAME ReachabilityDeadlock"
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 ;