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-174889279200459.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 SafeBus-COL-15, examination is Liveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r196-tall-174889279200459
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 572K
-rw-r--r-- 1 mcc users 8.2K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 88K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.0K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 42K 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 27K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K 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 17K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 183K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.9K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 73K 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 Liveness

=== Now, execution of the tool begins

BK_START 1748963097133

Invoking MCC driver with
BK_TOOL=gold2024
BK_EXAMINATION=Liveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=SafeBus-COL-15
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool greatspn
Invoking reducer
Running Version 202405141337
[2025-06-03 15:04:58] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, Liveness, -timeout, 180, -rebuildPNML]
[2025-06-03 15:04:58] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-03 15:04:58] [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 15:04:58] [WARNING] Using fallBack plugin, rng conformance not checked
[2025-06-03 15:04:59] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 558 ms
[2025-06-03 15:04:59] [INFO ] Detected 1 constant HL places corresponding to 15 PT places.
[2025-06-03 15:04:59] [INFO ] Imported 20 HL places and 14 HL transitions for a total of 636 PT places and 59206.0 transition bindings in 30 ms.
[2025-06-03 15:04:59] [INFO ] Built PT skeleton of HLPN with 20 places and 14 transitions 68 arcs in 4 ms.
[2025-06-03 15:04:59] [INFO ] Skeletonized 0 HLPN properties in 0 ms.
[2025-06-03 15:04:59] [INFO ] Unfolded HLPN to a Petri net with 636 places and 4801 transitions 34264 arcs in 101 ms.
[2025-06-03 15:04:59] [INFO ] Unfolded 0 HLPN properties in 0 ms.
[2025-06-03 15:04:59] [INFO ] Unfolded HLPN to a Petri net with 636 places and 4801 transitions 34264 arcs in 67 ms.
[2025-06-03 15:04:59] [INFO ] Unfolded 14 HLPN properties in 2 ms.
[2025-06-03 15:04:59] [INFO ] Reduced 195 identical enabling conditions.
[2025-06-03 15:04:59] [INFO ] Built PT skeleton of HLPN with 20 places and 14 transitions 68 arcs in 0 ms.
[2025-06-03 15:04:59] [INFO ] Skeletonized 14 HLPN properties in 2 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(15), It(15)] of place AMC breaks symmetries in sort It
[2025-06-03 15:04:59] [INFO ] Unfolded HLPN to a Petri net with 636 places and 4801 transitions 34264 arcs in 107 ms.
[2025-06-03 15:04:59] [INFO ] Unfolded 14 HLPN properties in 1 ms.
[2025-06-03 15:04:59] [INFO ] Reduced 195 identical enabling conditions.
Deduced a syphon composed of 15 places in 34 ms
Reduce places removed 30 places and 30 transitions.
Built sparse matrix representations for Structural reductions in 15 ms.72098KB memory used
Starting structural reductions in DEADLOCK mode, iteration 0 : 606/606 places, 4771/4771 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 1286 ms. Remains 606 /606 variables (removed 0) and now considering 4771/4771 (removed 0) transitions.
Finished structural reductions in DEADLOCK mode , in 1 iterations and 1299 ms. Remains : 606/606 places, 4771/4771 transitions.
Starting structural reductions in DEADLOCK mode, iteration 0 : 606/606 places, 4771/4771 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 991 ms. Remains 606 /606 variables (removed 0) and now considering 4771/4771 (removed 0) transitions.
[2025-06-03 15:05:02] [INFO ] Flow matrix only has 1412 transitions (discarded 3359 similar events)
// Phase 1: matrix 1412 rows 606 cols
[2025-06-03 15:05:02] [INFO ] Computed 65 invariants in 76 ms
[2025-06-03 15:05:02] [INFO ] Implicit Places using invariants in 331 ms returned []
[2025-06-03 15:05:02] [INFO ] Flow matrix only has 1412 transitions (discarded 3359 similar events)
[2025-06-03 15:05:02] [INFO ] Invariant cache hit.
[2025-06-03 15:05:03] [INFO ] State equation strengthened by 241 read => feed constraints.
[2025-06-03 15:05:03] [INFO ] Implicit Places using invariants and state equation in 728 ms returned []
Implicit Place search using SMT with State Equation took 1094 ms to find 0 implicit places.
[2025-06-03 15:05:03] [INFO ] Redundant transitions in 343 ms returned []
Running 4756 sub problems to find dead transitions.
[2025-06-03 15:05:03] [INFO ] Flow matrix only has 1412 transitions (discarded 3359 similar events)
[2025-06-03 15:05:03] [INFO ] Invariant cache hit.
[2025-06-03 15:05:03] [INFO ] State equation strengthened by 241 read => feed constraints.
Error getting values : (error "ParserException while parsing response: ((s0 1.0)
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(s264 timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 0 (INCLUDED_ONLY) 0/606 variables, 31/31 constraints. Problems are: Problem set: 0 solved, 4756 unsolved
SMT process timed out in 60324ms, After SMT, problems are : Problem set: 0 solved, 4756 unsolved
Search for dead transitions found 0 dead transitions in 60419ms
Finished structural reductions in DEADLOCK mode , in 1 iterations and 62891 ms. Remains : 606/606 places, 4771/4771 transitions.
Random walk for 1250000 steps, including 0 resets, run took 15000 ms (no deadlock found). (steps per millisecond=83 )
Random directed walk for 1250000 steps, including 0 resets, run took 10887 ms (no deadlock found). (steps per millisecond=114 )
[2025-06-03 15:06:29] [INFO ] Flow matrix only has 1412 transitions (discarded 3359 similar events)
[2025-06-03 15:06:29] [INFO ] Invariant cache hit.
[2025-06-03 15:06:30] [INFO ] [Real]Absence check using 31 positive place invariants in 24 ms returned sat
[2025-06-03 15:06:31] [INFO ] [Real]Absence check using 31 positive and 34 generalized place invariants in 1000 ms returned sat
[2025-06-03 15:06:32] [INFO ] [Real]Absence check using state equation in 1032 ms returned sat
[2025-06-03 15:06:32] [INFO ] Solution in real domain found non-integer solution.
[2025-06-03 15:06:33] [INFO ] [Nat]Absence check using 31 positive place invariants in 19 ms returned sat
[2025-06-03 15:06:33] [INFO ] [Nat]Absence check using 31 positive and 34 generalized place invariants in 228 ms returned sat
[2025-06-03 15:06:34] [INFO ] [Nat]Absence check using state equation in 1284 ms returned sat
[2025-06-03 15:06:34] [INFO ] State equation strengthened by 241 read => feed constraints.
[2025-06-03 15:06:35] [INFO ] [Nat]Added 241 Read/Feed constraints in 477 ms returned sat
[2025-06-03 15:06:35] [INFO ] Computed and/alt/rep : 30/45/30 causal constraints (skipped 1367 transitions) in 246 ms.
[2025-06-03 15:06:35] [INFO ] Added : 2 causal constraints over 2 iterations in 547 ms. Result :sat
Parikh directed walk for 35100 steps, including 1000 resets, run took 606 ms. (steps per millisecond=57 )
Random directed walk for 500000 steps, including 0 resets, run took 4973 ms (no deadlock found). (steps per millisecond=100 )
Random walk for 500000 steps, including 0 resets, run took 6131 ms (no deadlock found). (steps per millisecond=81 )
Random directed walk for 500000 steps, including 0 resets, run took 4788 ms (no deadlock found). (steps per millisecond=104 )
Random walk for 500000 steps, including 0 resets, run took 6252 ms (no deadlock found). (steps per millisecond=79 )
Starting structural reductions in DEADLOCK mode, iteration 0 : 606/606 places, 4771/4771 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 964 ms. Remains 606 /606 variables (removed 0) and now considering 4771/4771 (removed 0) transitions.
[2025-06-03 15:06:59] [INFO ] Flow matrix only has 1412 transitions (discarded 3359 similar events)
[2025-06-03 15:06:59] [INFO ] Invariant cache hit.
[2025-06-03 15:06:59] [INFO ] Implicit Places using invariants in 124 ms returned []
[2025-06-03 15:06:59] [INFO ] Flow matrix only has 1412 transitions (discarded 3359 similar events)
[2025-06-03 15:06:59] [INFO ] Invariant cache hit.
[2025-06-03 15:07:00] [INFO ] State equation strengthened by 241 read => feed constraints.
[2025-06-03 15:07:00] [INFO ] Implicit Places using invariants and state equation in 647 ms returned []
Implicit Place search using SMT with State Equation took 773 ms to find 0 implicit places.
[2025-06-03 15:07:00] [INFO ] Redundant transitions in 457 ms returned []
Running 4756 sub problems to find dead transitions.
[2025-06-03 15:07:01] [INFO ] Flow matrix only has 1412 transitions (discarded 3359 similar events)
[2025-06-03 15:07:01] [INFO ] Invariant cache hit.
[2025-06-03 15:07:01] [INFO ] State equation strengthened by 241 read => feed constraints.
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) 0/606 variables, 31/31 constraints. Problems are: Problem set: 0 solved, 4756 unsolved
SMT process timed out in 60945ms, After SMT, problems are : Problem set: 0 solved, 4756 unsolved
Search for dead transitions found 0 dead transitions in 61004ms
Finished structural reductions in DEADLOCK mode , in 1 iterations and 63218 ms. Remains : 606/606 places, 4771/4771 transitions.
Random walk for 1250000 steps, including 0 resets, run took 15862 ms (no deadlock found). (steps per millisecond=78 )
Random directed walk for 1250008 steps, including 0 resets, run took 12002 ms (no deadlock found). (steps per millisecond=104 )
[2025-06-03 15:08:29] [INFO ] Flow matrix only has 1412 transitions (discarded 3359 similar events)
[2025-06-03 15:08:29] [INFO ] Invariant cache hit.
[2025-06-03 15:08:30] [INFO ] [Real]Absence check using 31 positive place invariants in 23 ms returned sat
[2025-06-03 15:08:31] [INFO ] [Real]Absence check using 31 positive and 34 generalized place invariants in 1000 ms returned sat
[2025-06-03 15:08:32] [INFO ] [Real]Absence check using state equation in 1065 ms returned sat
[2025-06-03 15:08:32] [INFO ] Solution in real domain found non-integer solution.
[2025-06-03 15:08:33] [INFO ] [Nat]Absence check using 31 positive place invariants in 19 ms returned sat
[2025-06-03 15:08:33] [INFO ] [Nat]Absence check using 31 positive and 34 generalized place invariants in 238 ms returned sat
[2025-06-03 15:08:35] [INFO ] [Nat]Absence check using state equation in 1398 ms returned sat
[2025-06-03 15:08:35] [INFO ] State equation strengthened by 241 read => feed constraints.
[2025-06-03 15:08:35] [INFO ] [Nat]Added 241 Read/Feed constraints in 522 ms returned sat
[2025-06-03 15:08:35] [INFO ] Computed and/alt/rep : 30/45/30 causal constraints (skipped 1367 transitions) in 214 ms.
[2025-06-03 15:08:36] [INFO ] Added : 2 causal constraints over 2 iterations in 501 ms. Result :sat
Parikh directed walk for 35100 steps, including 1000 resets, run took 521 ms. (steps per millisecond=67 )
Random directed walk for 500011 steps, including 0 resets, run took 4514 ms (no deadlock found). (steps per millisecond=110 )
Random walk for 500000 steps, including 0 resets, run took 6019 ms (no deadlock found). (steps per millisecond=83 )
Random directed walk for 500001 steps, including 0 resets, run took 4498 ms (no deadlock found). (steps per millisecond=111 )
Random walk for 500000 steps, including 0 resets, run took 5970 ms (no deadlock found). (steps per millisecond=83 )
[2025-06-03 15:08:58] [INFO ] Flatten gal took : 552 ms
[2025-06-03 15:08:58] [INFO ] Unfolded HLPN to a Petri net with 636 places and 4801 transitions 34264 arcs in 20 ms.
[2025-06-03 15:08:58] [INFO ] Unfolded 14 HLPN properties in 2 ms.
Initial state reduction rules removed 1 formulas.
[2025-06-03 15:08:58] [INFO ] Reduced 195 identical enabling conditions.
Deduced a syphon composed of 15 places in 3 ms
Reduce places removed 30 places and 30 transitions.
RANDOM walk for 9664 steps (1 resets) in 348 ms. (27 steps per ms) remains 0/13 properties
Able to resolve query QuasiLiveness after proving 14 properties.
Net is quasi-live, checking if it is reversible to establish liveness.
Deduced a syphon composed of 15 places in 2 ms
Reduce places removed 30 places and 30 transitions.
Unable to solve all queries for examination Liveness. Remains :1 assertions to prove.
Deduced a syphon composed of 15 places in 2 ms
Reduce places removed 30 places and 30 transitions.
Unable to solve all queries for examination Liveness. Remains :14 assertions to prove.
No /home/mcc/execution/Liveness.xml examination file found. Proceeding without properties.
Parsed 14 properties from file /home/mcc/execution/Liveness.xml in 3 ms.
Working with output stream class java.io.PrintStream
Total runtime 240659 ms.
----------------------------------------------------------------------
GreatSPN-meddly tool, MCC 2023
----------------------------------------------------------------------

Running SafeBus-COL-15

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: 0.156

UNFOLDING COLORS...
MODEL CLASS: P/T NET
PLACES: 636
TRANSITIONS: 4801
CONSTANTS: 0
TEMPLATE VARS: 0
ARCS: 34684
UNFOLDING TIME: 1.146

SAVING AS /home/mcc/execution/model.(net/def) ...
exportGspn useExt=true
SAVING TIME: 0.175
SAVING NAME MAP FILE /home/mcc/execution/model.id2name ...
SAVING UNFOLDING MAP FILE /home/mcc/execution/model.unfmap ...
TOTAL TIME: 1.697
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: 581
MODEL NAME: /home/mcc/execution/model
636 places, 4801 transitions.

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..
No place bound informations found.
Creating all event NSFs..
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 Liveness -timeout 180 -rebuildPNML
MEDDLY ERROR: Insufficient memory

MEDDLY ERROR: Insufficient memory

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="SafeBus-COL-15"
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 SafeBus-COL-15, 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 r196-tall-174889279200459"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/SafeBus-COL-15.tgz
mv SafeBus-COL-15 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 ;