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.r210-tall-174894546900079.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 SharedMemory-COL-000100, examination is Liveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r210-tall-174894546900079
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 524K
-rw-r--r-- 1 mcc users 9.1K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 94K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.1K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 46K 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 4.2K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.8K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 16K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 157K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.6K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 67K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K 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 7 May 29 14:32 instance
-rw-r--r-- 1 mcc users 5 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 16K 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 Liveness

=== Now, execution of the tool begins

BK_START 1749022136136

Invoking MCC driver with
BK_TOOL=gold2024
BK_EXAMINATION=Liveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=SharedMemory-COL-000100
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool greatspn
Invoking reducer
Running Version 202405141337
[2025-06-04 07:28:57] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, Liveness, -timeout, 180, -rebuildPNML]
[2025-06-04 07:28:57] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-04 07:28:57] [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.
[2025-06-04 07:28:57] [WARNING] Using fallBack plugin, rng conformance not checked
[2025-06-04 07:28:58] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 541 ms
[2025-06-04 07:28:58] [INFO ] Imported 6 HL places and 5 HL transitions for a total of 10401 PT places and 30200.0 transition bindings in 17 ms.
[2025-06-04 07:28:58] [INFO ] Built PT skeleton of HLPN with 6 places and 5 transitions 16 arcs in 4 ms.
[2025-06-04 07:28:58] [INFO ] Skeletonized 0 HLPN properties in 0 ms.
[2025-06-04 07:28:58] [INFO ] Unfolded HLPN to a Petri net with 10401 places and 20200 transitions 80400 arcs in 175 ms.
[2025-06-04 07:28:58] [INFO ] Unfolded 0 HLPN properties in 0 ms.
[2025-06-04 07:28:58] [INFO ] Unfolded HLPN to a Petri net with 10401 places and 20200 transitions 80400 arcs in 68 ms.
[2025-06-04 07:28:58] [INFO ] Unfolded 5 HLPN properties in 4 ms.
[2025-06-04 07:28:58] [INFO ] Built PT skeleton of HLPN with 6 places and 5 transitions 16 arcs in 2 ms.
[2025-06-04 07:28:58] [INFO ] Skeletonized 5 HLPN properties in 2 ms.
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 [P(100), P(100)] of place Ext_Mem_Acc breaks symmetries in sort P
[2025-06-04 07:28:58] [INFO ] Unfolded HLPN to a Petri net with 10401 places and 20200 transitions 80400 arcs in 74 ms.
[2025-06-04 07:28:58] [INFO ] Unfolded 5 HLPN properties in 4 ms.
Deduced a syphon composed of 100 places in 20 ms
Reduce places removed 100 places and 100 transitions.
Built sparse matrix representations for Structural reductions in 47 ms.140650KB memory used
Starting structural reductions in DEADLOCK mode, iteration 0 : 10301/10301 places, 20100/20100 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 411 ms. Remains 10301 /10301 variables (removed 0) and now considering 20100/20100 (removed 0) transitions.
Finished structural reductions in DEADLOCK mode , in 1 iterations and 425 ms. Remains : 10301/10301 places, 20100/20100 transitions.
Starting structural reductions in DEADLOCK mode, iteration 0 : 10301/10301 places, 20100/20100 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 248 ms. Remains 10301 /10301 variables (removed 0) and now considering 20100/20100 (removed 0) transitions.
// Phase 1: matrix 20100 rows 10301 cols
[2025-06-04 07:29:02] [INFO ] Computed 201 invariants in 2236 ms
[2025-06-04 07:29:04] [INFO ] Implicit Places using invariants in 4147 ms returned []
Implicit Place search using SMT only with invariants took 4179 ms to find 0 implicit places.
Running 19900 sub problems to find dead transitions.
[2025-06-04 07:29:04] [INFO ] Invariant cache hit.
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 0 (INCLUDED_ONLY) 0/10201 variables, 101/101 constraints. Problems are: Problem set: 0 solved, 19900 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 10201/30401 variables, and 101 constraints, problems are : Problem set: 0 solved, 19900 unsolved in 30318 ms.
Refiners :[Positive P Invariants (semi-flows): 101/201 constraints, State Equation: 0/10301 constraints, PredecessorRefiner: 19900/10000 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 19900 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/10201 variables, 101/101 constraints. Problems are: Problem set: 0 solved, 19900 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 10201/30401 variables, and 101 constraints, problems are : Problem set: 0 solved, 19900 unsolved in 30248 ms.
Refiners :[Positive P Invariants (semi-flows): 101/201 constraints, State Equation: 0/10301 constraints, PredecessorRefiner: 9900/10000 constraints, Known Traps: 0/0 constraints]
After SMT, in 204024ms problems are : Problem set: 0 solved, 19900 unsolved
Search for dead transitions found 0 dead transitions in 204366ms
Finished structural reductions in DEADLOCK mode , in 1 iterations and 208857 ms. Remains : 10301/10301 places, 20100/20100 transitions.
Interrupted Random walk after 6338 steps, including 0 resets, run timeout after 30011 ms. (steps per millisecond=0 )
[2025-06-04 07:32:58] [INFO ] Invariant cache hit.
[2025-06-04 07:33:02] [INFO ] [Real]Absence check using 201 positive place invariants in 250 ms returned unsat
[2025-06-04 07:33:02] [INFO ] Unfolded HLPN to a Petri net with 10401 places and 20200 transitions 80400 arcs in 32 ms.
[2025-06-04 07:33:02] [INFO ] Unfolded 5 HLPN properties in 3 ms.
Initial state reduction rules removed 2 formulas.
Deduced a syphon composed of 100 places in 14 ms
Reduce places removed 100 places and 100 transitions.
RANDOM walk for 19 steps (0 resets) in 124 ms. (0 steps per ms) remains 0/3 properties
Able to resolve query QuasiLiveness after proving 5 properties.
Net is quasi-live, checking if it is reversible to establish liveness.
Deduced a syphon composed of 100 places in 5 ms
Reduce places removed 100 places and 100 transitions.
Unable to solve all queries for examination Liveness. Remains :1 assertions to prove.
Deduced a syphon composed of 100 places in 7 ms
Reduce places removed 100 places and 100 transitions.
Unable to solve all queries for examination Liveness. Remains :5 assertions to prove.
No /home/mcc/execution/Liveness.xml examination file found. Proceeding without properties.
Parsed 5 properties from file /home/mcc/execution/Liveness.xml in 1 ms.
Working with output stream class java.io.PrintStream
Total runtime 245898 ms.
----------------------------------------------------------------------
GreatSPN-meddly tool, MCC 2023
----------------------------------------------------------------------

Running SharedMemory-COL-000100

IS_COLORED=1
IS_NUPN=

LOADING model.pnml ...
MODEL CLASS: SYMMETRIC NET
PLACES: 6
TRANSITIONS: 5
CONSTANTS: 0
TEMPLATE VARS: 0
COLOR CLASSES: 2
COLOR VARS: 3
ARCS: 16
LOADING TIME: 0.126

UNFOLDING COLORS...
MODEL CLASS: P/T NET
PLACES: 10401
TRANSITIONS: 20200
CONSTANTS: 0
TEMPLATE VARS: 0
ARCS: 80400
UNFOLDING TIME: 1.135

SAVING AS /home/mcc/execution/model.(net/def) ...
exportGspn useExt=true
SAVING TIME: 0.513
SAVING NAME MAP FILE /home/mcc/execution/model.id2name ...
SAVING UNFOLDING MAP FILE /home/mcc/execution/model.unfmap ...
TOTAL TIME: 1.948
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: 556
MODEL NAME: /home/mcc/execution/model
10401 places, 20200 transitions.

Creating all event NSFs..
Creating all event NSFs..
Creating all event NSFs..
Creating all event NSFs..
CANNOT_COMPUTE
EXITCODE: 87
----------------------------------------------------------------------

BK_STOP 1749022825197

--------------------
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_1.0.0.202405141337.jar
+ 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
MEDDLY ERROR: Insufficient memory

Error in allocating array of size 65536 at unique_table.cc, line 313
MEDDLY ERROR: Insufficient memory

Error in allocating array of size 65536 at unique_table.cc, line 313
MEDDLY ERROR: Insufficient memory

Error in allocating array of size 65536 at unique_table.cc, line 313
MEDDLY ERROR: Insufficient memory

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="SharedMemory-COL-000100"
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 SharedMemory-COL-000100, 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 r210-tall-174894546900079"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/SharedMemory-COL-000100.tgz
mv SharedMemory-COL-000100 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 ;