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.r056-tall-174854041600084.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 CloudOpsManagement-PT-00040by00020, examination is Liveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r056-tall-174854041600084
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 460K
-rw-r--r-- 1 mcc users 8.0K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 69K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.7K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 57K 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 4.8K 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 2.8K 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 12K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 93K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 11K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 77K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 2.0K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.0K May 29 14:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 29 14:32 equiv_col
-rw-r--r-- 1 mcc users 13 May 29 14:32 instance
-rw-r--r-- 1 mcc users 6 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 17K 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 1748645100161

Invoking MCC driver with
BK_TOOL=gold2024
BK_EXAMINATION=Liveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=CloudOpsManagement-PT-00040by00020
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool greatspn
Invoking reducer
Running Version 202405141337
[2025-05-30 22:45:01] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, Liveness, -timeout, 180, -rebuildPNML]
[2025-05-30 22:45:01] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-05-30 22:45:01] [INFO ] Load time of PNML (sax parser for PT used): 35 ms
[2025-05-30 22:45:01] [INFO ] Transformed 27 places.
[2025-05-30 22:45:01] [INFO ] Transformed 29 transitions.
[2025-05-30 22:45:01] [INFO ] Parsed PT model containing 27 places and 29 transitions and 94 arcs in 124 ms.
Discarding 10 transitions out of 29. Remains 19
Built sparse matrix representations for Structural reductions in 4 ms.19289KB memory used
Starting structural reductions in DEADLOCK mode, iteration 0 : 27/27 places, 29/29 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 14 ms. Remains 27 /27 variables (removed 0) and now considering 29/29 (removed 0) transitions.
Finished structural reductions in DEADLOCK mode , in 1 iterations and 26 ms. Remains : 27/27 places, 29/29 transitions.
Starting structural reductions in DEADLOCK mode, iteration 0 : 27/27 places, 29/29 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 2 ms. Remains 27 /27 variables (removed 0) and now considering 29/29 (removed 0) transitions.
// Phase 1: matrix 29 rows 27 cols
[2025-05-30 22:45:01] [INFO ] Computed 11 invariants in 6 ms
[2025-05-30 22:45:01] [INFO ] Implicit Places using invariants in 137 ms returned []
[2025-05-30 22:45:01] [INFO ] Invariant cache hit.
[2025-05-30 22:45:01] [INFO ] State equation strengthened by 3 read => feed constraints.
[2025-05-30 22:45:01] [INFO ] Implicit Places using invariants and state equation in 74 ms returned []
Implicit Place search using SMT with State Equation took 238 ms to find 0 implicit places.
[2025-05-30 22:45:01] [INFO ] Redundant transitions in 0 ms returned []
Running 26 sub problems to find dead transitions.
[2025-05-30 22:45:01] [INFO ] Invariant cache hit.
[2025-05-30 22:45:01] [INFO ] State equation strengthened by 3 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/24 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/24 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 2 (OVERLAPS) 3/27 variables, 7/11 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/27 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 4 (OVERLAPS) 28/55 variables, 27/38 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/55 variables, 2/40 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/55 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 7 (OVERLAPS) 1/56 variables, 1/41 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/56 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 9 (OVERLAPS) 0/56 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 26 unsolved
No progress, stopping.
After SMT solving in domain Real declared 56/56 variables, and 41 constraints, problems are : Problem set: 0 solved, 26 unsolved in 431 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 27/27 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 26/26 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 26 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/24 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/24 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 2 (OVERLAPS) 3/27 variables, 7/11 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/27 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 4 (OVERLAPS) 28/55 variables, 27/38 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/55 variables, 2/40 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/55 variables, 26/66 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/55 variables, 0/66 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 8 (OVERLAPS) 1/56 variables, 1/67 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/56 variables, 0/67 constraints. Problems are: Problem set: 0 solved, 26 unsolved
At refinement iteration 10 (OVERLAPS) 0/56 variables, 0/67 constraints. Problems are: Problem set: 0 solved, 26 unsolved
No progress, stopping.
After SMT solving in domain Int declared 56/56 variables, and 67 constraints, problems are : Problem set: 0 solved, 26 unsolved in 338 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 27/27 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 26/26 constraints, Known Traps: 0/0 constraints]
After SMT, in 819ms problems are : Problem set: 0 solved, 26 unsolved
Search for dead transitions found 0 dead transitions in 826ms
Finished structural reductions in DEADLOCK mode , in 1 iterations and 1078 ms. Remains : 27/27 places, 29/29 transitions.
Random walk for 1250018 steps, including 0 resets, run took 427 ms (no deadlock found). (steps per millisecond=2927 )
Random directed walk for 1250017 steps, including 0 resets, run took 281 ms (no deadlock found). (steps per millisecond=4448 )
[2025-05-30 22:45:03] [INFO ] Invariant cache hit.
[2025-05-30 22:45:03] [INFO ] [Real]Absence check using 11 positive place invariants in 2 ms returned sat
[2025-05-30 22:45:03] [INFO ] [Real]Absence check using state equation in 4 ms returned unsat
Starting structural reductions in LIVENESS mode, iteration 0 : 27/27 places, 29/29 transitions.
Graph (trivial) has 9 edges and 27 vertex of which 8 / 27 are part of one of the 4 SCC in 2 ms
Free SCC test removed 4 places
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Applied a total of 1 rules in 14 ms. Remains 23 /27 variables (removed 4) and now considering 25/29 (removed 4) transitions.
[2025-05-30 22:45:03] [INFO ] Flow matrix only has 21 transitions (discarded 4 similar events)
// Phase 1: matrix 21 rows 23 cols
[2025-05-30 22:45:03] [INFO ] Computed 11 invariants in 1 ms
[2025-05-30 22:45:03] [INFO ] Implicit Places using invariants in 45 ms returned [14, 16, 19]
Discarding 3 places :
Implicit Place search using SMT only with invariants took 46 ms to find 3 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 20/27 places, 25/29 transitions.
Graph (trivial) has 11 edges and 20 vertex of which 6 / 20 are part of one of the 3 SCC in 0 ms
Free SCC test removed 3 places
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Applied a total of 1 rules in 1 ms. Remains 17 /20 variables (removed 3) and now considering 19/25 (removed 6) transitions.
[2025-05-30 22:45:03] [INFO ] Flow matrix only has 15 transitions (discarded 4 similar events)
// Phase 1: matrix 15 rows 17 cols
[2025-05-30 22:45:03] [INFO ] Computed 8 invariants in 0 ms
[2025-05-30 22:45:03] [INFO ] Implicit Places using invariants in 25 ms returned []
[2025-05-30 22:45:03] [INFO ] Flow matrix only has 15 transitions (discarded 4 similar events)
[2025-05-30 22:45:03] [INFO ] Invariant cache hit.
[2025-05-30 22:45:03] [INFO ] State equation strengthened by 3 read => feed constraints.
[2025-05-30 22:45:03] [INFO ] Implicit Places using invariants and state equation in 29 ms returned []
Implicit Place search using SMT with State Equation took 55 ms to find 0 implicit places.
Starting structural reductions in LIVENESS mode, iteration 2 : 17/27 places, 19/29 transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 116 ms. Remains : 17/27 places, 19/29 transitions.
Discarding 9 transitions out of 19. Remains 10
Initial state reduction rules removed 3 formulas.
RANDOM walk for 2019 steps (1 resets) in 16 ms. (118 steps per ms) remains 0/7 properties
Able to resolve query QuasiLiveness after proving 10 properties.
Starting structural reductions in LIVENESS mode, iteration 0 : 27/27 places, 29/29 transitions.
Graph (trivial) has 9 edges and 27 vertex of which 8 / 27 are part of one of the 4 SCC in 0 ms
Free SCC test removed 4 places
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Applied a total of 1 rules in 1 ms. Remains 23 /27 variables (removed 4) and now considering 25/29 (removed 4) transitions.
[2025-05-30 22:45:03] [INFO ] Flow matrix only has 21 transitions (discarded 4 similar events)
// Phase 1: matrix 21 rows 23 cols
[2025-05-30 22:45:03] [INFO ] Computed 11 invariants in 1 ms
[2025-05-30 22:45:03] [INFO ] Implicit Places using invariants in 30 ms returned [14, 16, 19]
Discarding 3 places :
Implicit Place search using SMT only with invariants took 31 ms to find 3 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 20/27 places, 25/29 transitions.
Graph (trivial) has 11 edges and 20 vertex of which 6 / 20 are part of one of the 3 SCC in 0 ms
Free SCC test removed 3 places
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Applied a total of 1 rules in 2 ms. Remains 17 /20 variables (removed 3) and now considering 19/25 (removed 6) transitions.
[2025-05-30 22:45:03] [INFO ] Flow matrix only has 15 transitions (discarded 4 similar events)
// Phase 1: matrix 15 rows 17 cols
[2025-05-30 22:45:03] [INFO ] Computed 8 invariants in 2 ms
[2025-05-30 22:45:03] [INFO ] Implicit Places using invariants in 29 ms returned []
[2025-05-30 22:45:03] [INFO ] Flow matrix only has 15 transitions (discarded 4 similar events)
[2025-05-30 22:45:03] [INFO ] Invariant cache hit.
[2025-05-30 22:45:03] [INFO ] State equation strengthened by 3 read => feed constraints.
[2025-05-30 22:45:03] [INFO ] Implicit Places using invariants and state equation in 31 ms returned []
Implicit Place search using SMT with State Equation took 61 ms to find 0 implicit places.
Starting structural reductions in LIVENESS mode, iteration 2 : 17/27 places, 19/29 transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 95 ms. Remains : 17/27 places, 19/29 transitions.
Discarding 9 transitions out of 19. Remains 10
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 :10 assertions to prove.
No /home/mcc/execution/Liveness.xml examination file found. Proceeding without properties.
Parsed 10 properties from file /home/mcc/execution/Liveness.xml in 1 ms.
Working with output stream class java.io.PrintStream
Total runtime 2296 ms.
----------------------------------------------------------------------
GreatSPN-meddly tool, MCC 2023
----------------------------------------------------------------------

Running CloudOpsManagement-PT-00040by00020

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: 27
TRANSITIONS: 29
COLOR VARS: 0
MEASURES: 0
LOADING TIME: [User 0.001s, Sys 0.000s]


SAVING FILE /home/mcc/execution/model (.net / .def) ...
EXPORT TIME: [User 0.000s, 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: 534
MODEL NAME: /home/mcc/execution/model
27 places, 29 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 FALSE TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING UNFOLDING_TO_PT USE_NUPN TOPOLOGICAL
Ok.
EXITCODE: 0
----------------------------------------------------------------------

BK_STOP 1748645259496

--------------------
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="CloudOpsManagement-PT-00040by00020"
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 CloudOpsManagement-PT-00040by00020, 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 r056-tall-174854041600084"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/CloudOpsManagement-PT-00040by00020.tgz
mv CloudOpsManagement-PT-00040by00020 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 ;