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.r238-smll-174903502900037.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 StigmergyCommit-PT-05b, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r238-smll-174903502900037
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.8M
-rw-r--r-- 1 mcc users 6.6K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 68K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.6K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 51K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.7K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K 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 116K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.2K 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 1.7K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K May 29 14:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 29 14:33 equiv_col
-rw-r--r-- 1 mcc users 4 May 29 14:33 instance
-rw-r--r-- 1 mcc users 6 May 29 14:33 iscolored
-rw-r--r-- 1 mcc users 1.4M May 29 14:33 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 QuasiLiveness

=== Now, execution of the tool begins

BK_START 1749106760977

Invoking MCC driver with
BK_TOOL=gold2024
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=StigmergyCommit-PT-05b
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool greatspn
Invoking reducer
Running Version 202405141337
[2025-06-05 06:59:23] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -timeout, 180, -rebuildPNML]
[2025-06-05 06:59:23] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-05 06:59:24] [INFO ] Load time of PNML (sax parser for PT used): 586 ms
[2025-06-05 06:59:24] [INFO ] Transformed 1837 places.
[2025-06-05 06:59:24] [INFO ] Transformed 3460 transitions.
[2025-06-05 06:59:24] [INFO ] Found NUPN structural information;
[2025-06-05 06:59:24] [INFO ] Parsed PT model containing 1837 places and 3460 transitions and 22362 arcs in 867 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 1837/1837 places, 3460/3460 transitions.
Graph (trivial) has 1824 edges and 1837 vertex of which 126 / 1837 are part of one of the 18 SCC in 17 ms
Free SCC test removed 108 places
Ensure Unique test removed 120 transitions
Reduce isomorphic transitions removed 120 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1380 transitions
Trivial Post-agglo rules discarded 1380 transitions
Performed 1380 trivial Post agglomeration. Transition count delta: 1380
Iterating post reduction 0 with 1380 rules applied. Total rules applied 1381 place count 1729 transition count 1960
Reduce places removed 1380 places and 0 transitions.
Ensure Unique test removed 18 transitions
Reduce isomorphic transitions removed 18 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 6 transitions
Trivial Post-agglo rules discarded 6 transitions
Performed 6 trivial Post agglomeration. Transition count delta: 6
Iterating post reduction 1 with 1404 rules applied. Total rules applied 2785 place count 349 transition count 1936
Reduce places removed 6 places and 0 transitions.
Iterating post reduction 2 with 6 rules applied. Total rules applied 2791 place count 343 transition count 1936
Performed 66 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 66 Pre rules applied. Total rules applied 2791 place count 343 transition count 1870
Deduced a syphon composed of 66 places in 12 ms
Reduce places removed 66 places and 0 transitions.
Iterating global reduction 3 with 132 rules applied. Total rules applied 2923 place count 277 transition count 1870
Performed 88 Post agglomeration using F-continuation condition.Transition count delta: 88
Deduced a syphon composed of 88 places in 2 ms
Reduce places removed 88 places and 0 transitions.
Iterating global reduction 3 with 176 rules applied. Total rules applied 3099 place count 189 transition count 1782
Performed 14 Post agglomeration using F-continuation condition.Transition count delta: -18
Deduced a syphon composed of 14 places in 1 ms
Reduce places removed 14 places and 0 transitions.
Iterating global reduction 3 with 28 rules applied. Total rules applied 3127 place count 175 transition count 1800
Applied a total of 3127 rules in 341 ms. Remains 175 /1837 variables (removed 1662) and now considering 1800/3460 (removed 1660) transitions.
[2025-06-05 06:59:24] [INFO ] Flow matrix only has 1782 transitions (discarded 18 similar events)
// Phase 1: matrix 1782 rows 175 cols
[2025-06-05 06:59:24] [INFO ] Computed 7 invariants in 61 ms
[2025-06-05 06:59:26] [INFO ] Implicit Places using invariants in 1369 ms returned []
[2025-06-05 06:59:26] [INFO ] Flow matrix only has 1782 transitions (discarded 18 similar events)
[2025-06-05 06:59:26] [INFO ] Invariant cache hit.
[2025-06-05 06:59:27] [INFO ] State equation strengthened by 147 read => feed constraints.
[2025-06-05 06:59:29] [INFO ] Implicit Places using invariants and state equation in 3272 ms returned []
Implicit Place search using SMT with State Equation took 4710 ms to find 0 implicit places.
Running 1773 sub problems to find dead transitions.
[2025-06-05 06:59:29] [INFO ] Flow matrix only has 1782 transitions (discarded 18 similar events)
[2025-06-05 06:59:29] [INFO ] Invariant cache hit.
[2025-06-05 06:59:29] [INFO ] State equation strengthened by 147 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/174 variables, 174/174 constraints. Problems are: Problem set: 0 solved, 1773 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/174 variables, 0/174 constraints. Problems are: Problem set: 0 solved, 1773 unsolved
At refinement iteration 2 (OVERLAPS) 1/175 variables, 7/181 constraints. Problems are: Problem set: 0 solved, 1773 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/175 variables, 1/182 constraints. Problems are: Problem set: 0 solved, 1773 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 175/1957 variables, and 182 constraints, problems are : Problem set: 0 solved, 1773 unsolved in 30136 ms.
Refiners :[Domain max(s): 175/175 constraints, Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 0/175 constraints, ReadFeed: 0/147 constraints, PredecessorRefiner: 1773/1710 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1773 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/174 variables, 174/174 constraints. Problems are: Problem set: 0 solved, 1773 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/174 variables, 0/174 constraints. Problems are: Problem set: 0 solved, 1773 unsolved
At refinement iteration 2 (OVERLAPS) 1/175 variables, 7/181 constraints. Problems are: Problem set: 0 solved, 1773 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/175 variables, 1/182 constraints. Problems are: Problem set: 0 solved, 1773 unsolved
[2025-06-05 07:00:47] [INFO ] Deduced a trap composed of 38 places in 1315 ms of which 45 ms to minimize.
[2025-06-05 07:00:48] [INFO ] Deduced a trap composed of 44 places in 1426 ms of which 5 ms to minimize.
[2025-06-05 07:00:49] [INFO ] Deduced a trap composed of 38 places in 1398 ms of which 5 ms to minimize.
[2025-06-05 07:00:51] [INFO ] Deduced a trap composed of 45 places in 1212 ms of which 3 ms to minimize.
[2025-06-05 07:00:52] [INFO ] Deduced a trap composed of 37 places in 1012 ms of which 4 ms to minimize.
[2025-06-05 07:00:53] [INFO ] Deduced a trap composed of 37 places in 887 ms of which 2 ms to minimize.
[2025-06-05 07:00:53] [INFO ] Deduced a trap composed of 37 places in 797 ms of which 4 ms to minimize.
[2025-06-05 07:00:54] [INFO ] Deduced a trap composed of 37 places in 761 ms of which 2 ms to minimize.
[2025-06-05 07:00:55] [INFO ] Deduced a trap composed of 37 places in 1037 ms of which 7 ms to minimize.
[2025-06-05 07:00:56] [INFO ] Deduced a trap composed of 38 places in 1163 ms of which 2 ms to minimize.
[2025-06-05 07:00:58] [INFO ] Deduced a trap composed of 45 places in 1039 ms of which 2 ms to minimize.
[2025-06-05 07:00:59] [INFO ] Deduced a trap composed of 37 places in 973 ms of which 1 ms to minimize.
[2025-06-05 07:01:00] [INFO ] Deduced a trap composed of 38 places in 1047 ms of which 2 ms to minimize.
SMT process timed out in 90570ms, After SMT, problems are : Problem set: 0 solved, 1773 unsolved
Search for dead transitions found 0 dead transitions in 90673ms
Starting structural reductions in LIVENESS mode, iteration 1 : 175/1837 places, 1800/3460 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 95799 ms. Remains : 175/1837 places, 1800/3460 transitions.
Discarding 142 transitions out of 1800. Remains 1658
Initial state reduction rules removed 1 formulas.
RANDOM walk for 40000 steps (4157 resets) in 8341 ms. (4 steps per ms) remains 1618/1657 properties
BEST_FIRST walk for 120 steps (8 resets) in 9 ms. (12 steps per ms) remains 1618/1618 properties
BEST_FIRST walk for 120 steps (8 resets) in 6 ms. (17 steps per ms) remains 1618/1618 properties
BEST_FIRST walk for 120 steps (8 resets) in 7 ms. (15 steps per ms) remains 1618/1618 properties
BEST_FIRST walk for 120 steps (8 resets) in 14 ms. (8 steps per ms) remains 1618/1618 properties
BEST_FIRST walk for 120 steps (8 resets) in 13 ms. (8 steps per ms) remains 1618/1618 properties
BEST_FIRST walk for 120 steps (8 resets) in 11 ms. (10 steps per ms) remains 1618/1618 properties
BEST_FIRST walk for 120 steps (8 resets) in 11 ms. (10 steps per ms) remains 1618/1618 properties
BEST_FIRST walk for 120 steps (8 resets) in 7 ms. (15 steps per ms) remains 1618/1618 properties
BEST_FIRST walk for 120 steps (8 resets) in 6 ms. (17 steps per ms) remains 1618/1618 properties
BEST_FIRST walk for 120 steps (8 resets) in 7 ms. (15 steps per ms) remains 1618/1618 properties
BEST_FIRST walk for 120 steps (8 resets) in 6 ms. (17 steps per ms) remains 1618/1618 properties
BEST_FIRST walk for 120 steps (8 resets) in 6 ms. (17 steps per ms) remains 1618/1618 properties
BEST_FIRST walk for 120 steps (8 resets) in 5 ms. (20 steps per ms) remains 1618/1618 properties
BEST_FIRST walk for 120 steps (8 resets) in 5 ms. (20 steps per ms) remains 1618/1618 properties
BEST_FIRST walk for 120 steps (8 resets) in 6 ms. (17 steps per ms) remains 1618/1618 properties
BEST_FIRST walk for 120 steps (8 resets) in 6 ms. (17 steps per ms) remains 1618/1618 properties
BEST_FIRST walk for 120 steps (8 resets) in 5 ms. (20 steps per ms) remains 1618/1618 properties
BEST_FIRST walk for 120 steps (8 resets) in 7 ms. (15 steps per ms) remains 1618/1618 properties
BEST_FIRST walk for 120 steps (8 resets) in 7 ms. (15 steps per ms) remains 1618/1618 properties
BEST_FIRST walk for 120 steps (8 resets) in 7 ms. (15 steps per ms) remains 1618/1618 properties
BEST_FIRST walk for 120 steps (8 resets) in 6 ms. (17 steps per ms) remains 1618/1618 properties
BEST_FIRST walk for 120 steps (8 resets) in 6 ms. (17 steps per ms) remains 1618/1618 properties
BEST_FIRST walk for 120 steps (8 resets) in 6 ms. (17 steps per ms) remains 1618/1618 properties
BEST_FIRST walk for 120 steps (8 resets) in 5 ms. (20 steps per ms) remains 1618/1618 properties
BEST_FIRST walk for 120 steps (8 resets) in 5 ms. (20 steps per ms) remains 1618/1618 properties
BEST_FIRST walk for 120 steps (8 resets) in 6 ms. (17 steps per ms) remains 1618/1618 properties
BEST_FIRST walk for 120 steps (8 resets) in 6 ms. (17 steps per ms) remains 1618/1618 properties
BEST_FIRST walk for 120 steps (8 resets) in 6 ms. (17 steps per ms) remains 1618/1618 properties
BEST_FIRST walk for 120 steps (8 resets) in 6 ms. (17 steps per ms) remains 1618/1618 properties
BEST_FIRST walk for 120 steps (8 resets) in 6 ms. (17 steps per ms) remains 1618/1618 properties
BEST_FIRST walk for 120 steps (8 resets) in 6 ms. (17 steps per ms) remains 1618/1618 properties
BEST_FIRST walk for 120 steps (8 resets) in 5 ms. (20 steps per ms) remains 1618/1618 properties
BEST_FIRST walk for 120 steps (8 resets) in 6 ms. (17 steps per ms) remains 1618/1618 properties
BEST_FIRST walk for 120 steps (8 resets) in 7 ms. (15 steps per ms) remains 1618/1618 properties
BEST_FIRST walk for 120 steps (8 resets) in 4 ms. (24 steps per ms) remains 1618/1618 properties
BEST_FIRST walk for 120 steps (8 resets) in 5 ms. (20 steps per ms) remains 1618/1618 properties
BEST_FIRST walk for 120 steps (8 resets) in 6 ms. (17 steps per ms) remains 1618/1618 properties
BEST_FIRST walk for 120 steps (8 resets) in 6 ms. (17 steps per ms) remains 1618/1618 properties
BEST_FIRST walk for 120 steps (8 resets) in 6 ms. (17 steps per ms) remains 1618/1618 properties
BEST_FIRST walk for 120 steps (8 resets) in 7 ms. (15 steps per ms) remains 1618/1618 properties
BEST_FIRST walk for 120 steps (8 resets) in 6 ms. (17 steps per ms) remains 1618/1618 properties
BEST_FIRST walk for 120 steps (8 resets) in 5 ms. (20 steps per ms) remains 1618/1618 properties
BEST_FIRST walk for 120 steps (8 resets) in 8 ms. (13 steps per ms) remains 1618/1618 properties
BEST_FIRST walk for 120 steps (8 resets) in 6 ms. (17 steps per ms) remains 1618/1618 properties
BEST_FIRST walk for 120 steps (8 resets) in 7 ms. (15 steps per ms) remains 1618/1618 properties
BEST_FIRST walk for 120 steps (8 resets) in 5 ms. (20 steps per ms) remains 1618/1618 properties
BEST_FIRST walk for 120 steps (8 resets) in 5 ms. (20 steps per ms) remains 1618/1618 properties
BEST_FIRST walk for 120 steps (8 resets) in 5 ms. (20 steps per ms) remains 1618/1618 properties
BEST_FIRST walk for 120 steps (8 resets) in 7 ms. (15 steps per ms) remains 1618/1618 properties
BEST_FIRST walk for 120 steps (8 resets) in 8 ms. (13 steps per ms) remains 1618/1618 properties
Probabilistic random walk after 30000 steps, saw 10174 distinct states, run finished after 2278 ms. (steps per millisecond=13 ) properties seen :132
[2025-06-05 07:01:05] [INFO ] Flow matrix only has 1782 transitions (discarded 18 similar events)
[2025-06-05 07:01:05] [INFO ] Invariant cache hit.
[2025-06-05 07:01:05] [INFO ] State equation strengthened by 147 read => feed constraints.
----------------------------------------------------------------------
GreatSPN-meddly tool, MCC 2023
----------------------------------------------------------------------

Running StigmergyCommit-PT-05b

IS_COLORED=
IS_NUPN=1

LOADING model.pnml ...
MODEL CLASS: P/T NET WITH NUPN EXTENSION
PLACES: 1837
TRANSITIONS: 3460
CONSTANTS: 0
TEMPLATE VARS: 0
ARCS: 22362
NUPN UNITS: 13
LOADING TIME: 2.826

SAVING AS /home/mcc/execution/model.(net/def) ...
exportGspn useExt=true
SAVING TIME: 0.236
SAVING NAME MAP FILE /home/mcc/execution/model.id2name ...
SAVING NUPN UNITS AS FILE /home/mcc/execution/model.nu ...
TOTAL TIME: 4.129
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: 598
MODEL NAME: /home/mcc/execution/model
1837 places, 3460 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 QuasiLiveness TRUE TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING UNFOLDING_TO_PT USE_NUPN TOPOLOGICAL
Ok.
EXITCODE: 0
----------------------------------------------------------------------

BK_STOP 1749106966316

--------------------
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 QuasiLiveness -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="StigmergyCommit-PT-05b"
export BK_EXAMINATION="QuasiLiveness"
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 StigmergyCommit-PT-05b, examination is QuasiLiveness"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r238-smll-174903502900037"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/StigmergyCommit-PT-05b.tgz
mv StigmergyCommit-PT-05b execution
cd execution
if [ "QuasiLiveness" = "ReachabilityDeadlock" ] || [ "QuasiLiveness" = "UpperBounds" ] || [ "QuasiLiveness" = "QuasiLiveness" ] || [ "QuasiLiveness" = "StableMarking" ] || [ "QuasiLiveness" = "Liveness" ] || [ "QuasiLiveness" = "OneSafe" ] || [ "QuasiLiveness" = "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 [ "QuasiLiveness" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "QuasiLiveness" != "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 "QuasiLiveness.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 '' QuasiLiveness.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "QuasiLiveness" = "ReachabilityDeadlock" ] || [ "QuasiLiveness" = "QuasiLiveness" ] || [ "QuasiLiveness" = "StableMarking" ] || [ "QuasiLiveness" = "Liveness" ] || [ "QuasiLiveness" = "OneSafe" ] ; then
echo "FORMULA_NAME QuasiLiveness"
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 ;