Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2024-input.r276-smll-171654416300279.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2024-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 2-5568
Executing tool greatspnxred
Input is Philosophers-COL-002000, examination is Liveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r276-smll-171654416300279
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 496K
-rw-r--r-- 1 mcc users 5.7K Apr 13 12:35 CTLCardinality.txt
-rw-r--r-- 1 mcc users 52K Apr 13 12:35 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.0K Apr 13 11:14 CTLFireability.txt
-rw-r--r-- 1 mcc users 42K Apr 13 11:14 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 18 16:43 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.9K Apr 23 07:43 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Apr 23 07:43 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Apr 23 07:43 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Apr 23 07:43 LTLFireability.xml
-rw-r--r-- 1 mcc users 9.6K Apr 13 17:48 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 94K Apr 13 17:48 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.4K Apr 13 15:44 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 84K Apr 13 15:44 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Apr 23 07:43 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Apr 23 07:43 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 May 18 16:43 equiv_pt
-rw-r--r-- 1 mcc users 7 May 18 16:43 instance
-rw-r--r-- 1 mcc users 5 May 18 16:43 iscolored
-rw-r--r-- 1 mcc users 96K May 18 16:43 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 1716832878550

Invoking MCC driver with
BK_TOOL=greatspnxred
BK_EXAMINATION=Liveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=Philosophers-COL-002000
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool greatspn
Invoking reducer
Running Version 202405141337
[2024-05-27 18:01:20] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, Liveness, -timeout, 180, -rebuildPNML]
[2024-05-27 18:01:21] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-05-27 18:01:21] [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.
[2024-05-27 18:01:22] [WARNING] Using fallBack plugin, rng conformance not checked
[2024-05-27 18:01:22] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 1382 ms
[2024-05-27 18:01:22] [INFO ] Imported 5 HL places and 5 HL transitions for a total of 10000 PT places and 10000.0 transition bindings in 65 ms.
[2024-05-27 18:01:22] [INFO ] Built PT skeleton of HLPN with 5 places and 5 transitions 15 arcs in 8 ms.
[2024-05-27 18:01:22] [INFO ] Skeletonized 0 HLPN properties in 0 ms.
[2024-05-27 18:01:23] [INFO ] Unfolded HLPN to a Petri net with 10000 places and 10000 transitions 32000 arcs in 339 ms.
[2024-05-27 18:01:23] [INFO ] Unfolded 0 HLPN properties in 0 ms.
[2024-05-27 18:01:23] [INFO ] Unfolded HLPN to a Petri net with 10000 places and 10000 transitions 32000 arcs in 145 ms.
[2024-05-27 18:01:23] [INFO ] Unfolded 5 HLPN properties in 5 ms.
[2024-05-27 18:01:23] [INFO ] Built PT skeleton of HLPN with 5 places and 5 transitions 15 arcs in 1 ms.
[2024-05-27 18:01:23] [INFO ] Skeletonized 5 HLPN properties in 3 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.
Arc [1:1*[(MOD (ADD (MOD (MINUS $x 1) 2000) 2000) 2000)]] contains successor/predecessor on variables of sort Philo
[2024-05-27 18:01:23] [INFO ] Unfolded HLPN to a Petri net with 10000 places and 10000 transitions 32000 arcs in 76 ms.
[2024-05-27 18:01:23] [INFO ] Unfolded 5 HLPN properties in 3 ms.
Built sparse matrix representations for Structural reductions in 23 ms.41104KB memory used
Starting structural reductions in DEADLOCK mode, iteration 0 : 10000/10000 places, 10000/10000 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 292 ms. Remains 10000 /10000 variables (removed 0) and now considering 10000/10000 (removed 0) transitions.
Finished structural reductions in DEADLOCK mode , in 1 iterations and 318 ms. Remains : 10000/10000 places, 10000/10000 transitions.
Starting structural reductions in DEADLOCK mode, iteration 0 : 10000/10000 places, 10000/10000 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 181 ms. Remains 10000 /10000 variables (removed 0) and now considering 10000/10000 (removed 0) transitions.
// Phase 1: matrix 10000 rows 10000 cols
[2024-05-27 18:01:24] [INFO ] Computed 4000 invariants in 118 ms
[2024-05-27 18:01:30] [INFO ] Implicit Places using invariants in 5837 ms returned []
Implicit Place search using SMT only with invariants took 5896 ms to find 0 implicit places.
Running 6000 sub problems to find dead transitions.
[2024-05-27 18:01:30] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/8000 variables, 2000/2000 constraints. Problems are: Problem set: 0 solved, 6000 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 8000/20000 variables, and 2000 constraints, problems are : Problem set: 0 solved, 6000 unsolved in 30369 ms.
Refiners :[Positive P Invariants (semi-flows): 2000/4000 constraints, State Equation: 0/10000 constraints, PredecessorRefiner: 6000/6000 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 6000 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/8000 variables, 2000/2000 constraints. Problems are: Problem set: 0 solved, 6000 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 8000/20000 variables, and 2000 constraints, problems are : Problem set: 0 solved, 6000 unsolved in 30202 ms.
Refiners :[Positive P Invariants (semi-flows): 2000/4000 constraints, State Equation: 0/10000 constraints, PredecessorRefiner: 0/6000 constraints, Known Traps: 0/0 constraints]
After SMT, in 68165ms problems are : Problem set: 0 solved, 6000 unsolved
Search for dead transitions found 0 dead transitions in 68387ms
Finished structural reductions in DEADLOCK mode , in 1 iterations and 74536 ms. Remains : 10000/10000 places, 10000/10000 transitions.
Interrupted Random walk after 501909 steps, including 0 resets, run timeout after 30001 ms. (steps per millisecond=16 )
Interrupted Random directed walk after 51783 steps, including 0 resets, run timeout after 32289 ms. (steps per millisecond=1 )
[2024-05-27 18:03:41] [INFO ] Invariant cache hit.
[2024-05-27 18:06:01] [INFO ] [Real]Absence check using 4000 positive place invariants in 125990 ms returned unknown
Interrupted Random directed walk after 51795 steps, including 0 resets, run timeout after 32089 ms. (steps per millisecond=1 )
Interrupted Random walk after 492782 steps, including 0 resets, run timeout after 30001 ms. (steps per millisecond=16 )
Interrupted Random directed walk after 51642 steps, including 0 resets, run timeout after 31204 ms. (steps per millisecond=1 )
Random walk for 500000 steps, including 0 resets, run took 29537 ms (no deadlock found). (steps per millisecond=16 )
Starting structural reductions in DEADLOCK mode, iteration 0 : 10000/10000 places, 10000/10000 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 146 ms. Remains 10000 /10000 variables (removed 0) and now considering 10000/10000 (removed 0) transitions.
[2024-05-27 18:08:04] [INFO ] Invariant cache hit.
[2024-05-27 18:08:07] [INFO ] Implicit Places using invariants in 3381 ms returned []
Implicit Place search using SMT only with invariants took 3386 ms to find 0 implicit places.
Running 6000 sub problems to find dead transitions.
[2024-05-27 18:08:07] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/8000 variables, 2000/2000 constraints. Problems are: Problem set: 0 solved, 6000 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 8000/20000 variables, and 2000 constraints, problems are : Problem set: 0 solved, 6000 unsolved in 30123 ms.
Refiners :[Positive P Invariants (semi-flows): 2000/4000 constraints, State Equation: 0/10000 constraints, PredecessorRefiner: 6000/6000 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 6000 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/8000 variables, 2000/2000 constraints. Problems are: Problem set: 0 solved, 6000 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 8000/20000 variables, and 2000 constraints, problems are : Problem set: 0 solved, 6000 unsolved in 30134 ms.
Refiners :[Positive P Invariants (semi-flows): 2000/4000 constraints, State Equation: 0/10000 constraints, PredecessorRefiner: 0/6000 constraints, Known Traps: 0/0 constraints]
After SMT, in 66046ms problems are : Problem set: 0 solved, 6000 unsolved
Search for dead transitions found 0 dead transitions in 66117ms
Finished structural reductions in DEADLOCK mode , in 1 iterations and 69672 ms. Remains : 10000/10000 places, 10000/10000 transitions.
Interrupted Random walk after 467316 steps, including 0 resets, run timeout after 30001 ms. (steps per millisecond=15 )
Interrupted Random directed walk after 51775 steps, including 0 resets, run timeout after 31942 ms. (steps per millisecond=1 )
[2024-05-27 18:10:15] [INFO ] Invariant cache hit.
[2024-05-27 18:12:30] [INFO ] [Real]Absence check using 4000 positive place invariants in 121687 ms returned unknown
Interrupted Random directed walk after 51696 steps, including 0 resets, run timeout after 31237 ms. (steps per millisecond=1 )
Interrupted Random walk after 467244 steps, including 0 resets, run timeout after 30001 ms. (steps per millisecond=15 )
Interrupted Random directed walk after 51683 steps, including 0 resets, run timeout after 31273 ms. (steps per millisecond=1 )
Interrupted Random walk after 496811 steps, including 0 resets, run timeout after 30001 ms. (steps per millisecond=16 )
[2024-05-27 18:14:34] [INFO ] Flatten gal took : 1069 ms
[2024-05-27 18:14:34] [INFO ] Unfolded HLPN to a Petri net with 10000 places and 10000 transitions 32000 arcs in 36 ms.
[2024-05-27 18:14:34] [INFO ] Unfolded 5 HLPN properties in 3 ms.
Initial state reduction rules removed 2 formulas.
RANDOM walk for 247 steps (0 resets) in 525 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.
Unable to solve all queries for examination Liveness. Remains :1 assertions to prove.
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 794062 ms.
----------------------------------------------------------------------
GreatSPN-meddly tool, MCC 2023
----------------------------------------------------------------------

Running Philosophers-COL-002000

IS_COLORED=1
IS_NUPN=

LOADING model.pnml ...
MODEL CLASS: SYMMETRIC NET
PLACES: 5
TRANSITIONS: 5
CONSTANTS: 0
TEMPLATE VARS: 0
COLOR CLASSES: 1
COLOR VARS: 1
ARCS: 15
LOADING TIME: 0.465

UNFOLDING COLORS...
MODEL CLASS: P/T NET
PLACES: 10000
TRANSITIONS: 10000
CONSTANTS: 0
TEMPLATE VARS: 0
ARCS: 32000
UNFOLDING TIME: 1.814

SAVING AS /home/mcc/execution/model.(net/def) ...
exportGspn useExt=true
SAVING TIME: 0.508
SAVING NAME MAP FILE /home/mcc/execution/model.id2name ...
SAVING UNFOLDING MAP FILE /home/mcc/execution/model.unfmap ...
TOTAL TIME: 3.182
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: 579
MODEL NAME: /home/mcc/execution/model
10000 places, 10000 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.
Building monolithic NSF...

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:
++ 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

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="Philosophers-COL-002000"
export BK_EXAMINATION="Liveness"
export BK_TOOL="greatspnxred"
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 2-5568"
echo " Executing tool greatspnxred"
echo " Input is Philosophers-COL-002000, 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 r276-smll-171654416300279"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Philosophers-COL-002000.tgz
mv Philosophers-COL-002000 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 ;