Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2026-input.r104-tall-177955698600247.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2026-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 2-5973
Executing tool itstools
Input is DLCflexbar-PT-2a, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r104-tall-177955698600247
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.1M
-rw-r--r-- 1 mcc users 7.2K Mar 6 15:16 CTLCardinality.txt
-rw-r--r-- 1 mcc users 78K Mar 6 15:16 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.8K Mar 6 15:15 CTLFireability.txt
-rw-r--r-- 1 mcc users 38K Mar 6 15:15 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.9K Mar 15 09:16 LTLCardinality.txt
-rw-r--r-- 1 mcc users 29K Mar 15 09:16 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Mar 15 09:16 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 15 09:16 LTLFireability.xml
-rw-r--r-- 1 mcc users 13K Mar 6 15:17 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 143K Mar 6 15:17 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 15K Mar 6 15:16 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 139K Mar 6 15:16 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Mar 15 09:16 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Mar 15 09:16 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 3 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 545K Mar 3 18:30 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 1779608324878

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=DLCflexbar-PT-2a
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
QuasiLiveness PT
Running Version 202604301425
[2026-05-24 07:38:46] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 1800]
[2026-05-24 07:38:46] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-24 07:38:46] [INFO ] Load time of PNML (sax parser for PT used): 140 ms
[2026-05-24 07:38:46] [INFO ] Transformed 353 places.
[2026-05-24 07:38:46] [INFO ] Transformed 2169 transitions.
[2026-05-24 07:38:46] [INFO ] Found NUPN structural information;
[2026-05-24 07:38:46] [INFO ] Parsed PT model containing 353 places and 2169 transitions and 8205 arcs in 247 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 353/353 places, 2169/2169 transitions.
Graph (trivial) has 332 edges and 353 vertex of which 56 / 353 are part of one of the 24 SCC in 7 ms
Free SCC test removed 32 places
Ensure Unique test removed 588 transitions
Reduce isomorphic transitions removed 588 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 20 transitions
Trivial Post-agglo rules discarded 20 transitions
Performed 20 trivial Post agglomeration. Transition count delta: 20
Iterating post reduction 0 with 20 rules applied. Total rules applied 21 place count 321 transition count 1561
Reduce places removed 20 places and 0 transitions.
Iterating post reduction 1 with 20 rules applied. Total rules applied 41 place count 301 transition count 1561
Performed 24 Post agglomeration using F-continuation condition.Transition count delta: 24
Deduced a syphon composed of 24 places in 2 ms
Reduce places removed 24 places and 0 transitions.
Iterating global reduction 2 with 48 rules applied. Total rules applied 89 place count 277 transition count 1537
Ensure Unique test removed 172 transitions
Reduce isomorphic transitions removed 172 transitions.
Iterating post reduction 2 with 172 rules applied. Total rules applied 261 place count 277 transition count 1365
Performed 20 Post agglomeration using F-continuation condition.Transition count delta: -40
Deduced a syphon composed of 20 places in 2 ms
Reduce places removed 20 places and 0 transitions.
Iterating global reduction 3 with 40 rules applied. Total rules applied 301 place count 257 transition count 1405
Applied a total of 301 rules in 120 ms. Remains 257 /353 variables (removed 96) and now considering 1405/2169 (removed 764) transitions.
[2026-05-24 07:38:46] [INFO ] Flow matrix only has 118 transitions (discarded 1287 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-4331317964146448210.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-4763506751933528325.kers'
[2026-05-24 07:38:46] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-4331317964146448210.kers, --Pflows, --basisKERS=/tmp/petrispot-output-4763506751933528325.kers]
Normalized transition count is 117 out of 118 initially.
Culling duplicate invariants (modulo rational): removing 172 columns.
Culled 172 columns in 0 ms.
// Phase 1: matrix 117 rows 85 cols 257 entries
Finished phase 1 with 61 SingleSign rule and 0 generalized
[2026-05-24 07:38:46] [INFO ] Computed 196 invariants in 1 ms
Computed 196 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-4763506751933528325.kers
Total runtime 2 ms.
[2026-05-24 07:38:47] [INFO ] Implicit Places using invariants in 1394 ms returned [85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, 110, 111, 112, 113, 114, 115, 116, 117, 118, 119, 120, 121, 122, 123, 124, 125, 126, 127, 128, 129, 130, 131, 132, 133, 134, 135, 136, 137, 138, 139, 140, 141, 142, 143, 144, 145, 146, 147, 148, 149, 150, 151, 152, 153, 154, 155, 156, 157, 158, 159, 160, 161, 162, 163, 164, 165, 166, 167, 168, 169, 170, 171, 172, 173, 174, 175, 176, 177, 178, 179, 180, 181, 182, 183, 184, 185, 186, 187, 188, 189, 190, 191, 192, 193, 194, 195, 196, 197, 198, 199, 200, 201, 202, 203, 204, 205, 206, 207, 208, 209, 210, 211, 212, 213, 214, 215, 216, 217, 218, 219, 220, 221, 222, 223, 224, 225, 226, 227, 228, 229, 230, 231, 232, 233, 234, 235, 236, 237, 238, 239, 240, 241, 242, 243, 244, 245, 246, 247, 248, 249, 250, 251, 252, 253, 254, 255, 256]
Discarding 172 places :
Ensure Unique test removed 1212 transitions
Reduce isomorphic transitions removed 1212 transitions.
Implicit Place search using SMT only with invariants took 1431 ms to find 172 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 85/353 places, 193/2169 transitions.
Graph (trivial) has 192 edges and 85 vertex of which 84 / 85 are part of one of the 24 SCC in 0 ms
Free SCC test removed 60 places
Ensure Unique test removed 168 transitions
Reduce isomorphic transitions removed 168 transitions.
Applied a total of 1 rules in 1 ms. Remains 25 /85 variables (removed 60) and now considering 25/193 (removed 168) transitions.
[2026-05-24 07:38:47] [INFO ] Flow matrix only has 2 transitions (discarded 23 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-7545239746023664972.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-18263260828004246851.kers'
[2026-05-24 07:38:47] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-7545239746023664972.kers, --Pflows, --basisKERS=/tmp/petrispot-output-18263260828004246851.kers]
Normalized transition count is 1 out of 2 initially.
Culling duplicate invariants (modulo rational): removing 24 columns.
Culled 24 columns in 0 ms.
// Phase 1: matrix 1 rows 1 cols 1 entries
Finished phase 1 with 1 SingleSign rule and 0 generalized
[2026-05-24 07:38:47] [INFO ] Computed 24 invariants in 0 ms
Computed 24 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-18263260828004246851.kers
Total runtime 0 ms.
[2026-05-24 07:38:47] [INFO ] Implicit Places using invariants in 28 ms returned []
[2026-05-24 07:38:47] [INFO ] Flow matrix only has 2 transitions (discarded 23 similar events)
[2026-05-24 07:38:47] [INFO ] Invariant cache hit.
[2026-05-24 07:38:47] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-24 07:38:47] [INFO ] Implicit Places using invariants and state equation in 36 ms returned []
Implicit Place search using SMT with State Equation took 66 ms to find 0 implicit places.
Starting structural reductions in LIVENESS mode, iteration 2 : 25/353 places, 25/2169 transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 1632 ms. Remains : 25/353 places, 25/2169 transitions.
Initial state reduction rules removed 1 formulas.
RANDOM walk for 4 steps (0 resets) in 7 ms. (0 steps per ms) remains 0/24 properties
[2026-05-24 07:38:48] [INFO ] Flatten gal took : 115 ms
[2026-05-24 07:38:48] [INFO ] Flatten gal took : 2 ms
[2026-05-24 07:38:48] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality14165435883432600466.gal : 3 ms
[2026-05-24 07:38:48] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality16238391046457886243.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality14165435883432600466.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality16238391046457886243.prop' '--nowitness' '--gen-order' 'FOLLOW'

ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Able to resolve query QuasiLiveness after proving 25 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 2121 ms.

BK_STOP 1779608328170

--------------------
content from stderr:

+ export BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ QuasiLiveness = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution QuasiLiveness -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 1800
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202604301425.jar
+ VERSION=202604301425
+ echo 'Running Version 202604301425'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination QuasiLiveness -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 1800

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="DLCflexbar-PT-2a"
export BK_EXAMINATION="QuasiLiveness"
export BK_TOOL="itstools"
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 2-5973"
echo " Executing tool itstools"
echo " Input is DLCflexbar-PT-2a, 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 r104-tall-177955698600247"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DLCflexbar-PT-2a.tgz
mv DLCflexbar-PT-2a 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 ;